(Suzhou) Rail Transit Science and Thchnology Research Institute Co., Ltd Shanghai Civil Engineering Group of Rcec

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IPC Class
E01B 29/16 - Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track 4
E01B 29/00 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor 3
B60F 1/00 - Vehicles for use both on rail and on road; Conversions therefor 2
E01B 19/00 - Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise 2
E01B 31/02 - Working rail or other metal track components on the spot 2
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Found results for  patents

1.

NEW VIBRATION-DAMPING BALLAST BED STRUCTURE

      
Application Number CN2024084397
Publication Number 2025/001374
Status In Force
Filing Date 2024-03-28
Publication Date 2025-01-02
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • CHINA RAILWAY SHANGHAI ENGINEERING GROUP CO., LTD. (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Xu, Mingfa
  • Meng, Chang
  • Zeng, Yue
  • Fan, Baoming
  • Zhu, Huihui

Abstract

A new vibration-damping ballast bed structure, comprising a foundation (4), wherein the upper portion of the foundation (4) is of a convex arc shape, and drainage ditches (6) are provided at the junctions of two sides of the foundation (4) and the convex-arc-shaped portion, the bottoms of the drainage ditches (6) being lower than two side edges of the convex-arc-shaped portion of the foundation (4); a floating plate (1) arranged at the top of the foundation (4), wherein the lower portion of the floating plate (1) is of a concave arc shape; and several vibration isolators (3) configured to connect the foundation (4) and the floating plate (1). Each vibration isolator (3) comprises an outer sleeve (9), an inner sleeve (10) and a pre-buried bearing casing (11), wherein the outer sleeve (9) is a hollow cylinder and embedded in the floating plate (1), and a bearing block is provided in the outer sleeve (9); the pre-buried bearing casing (11) comprises a lower base and a casing, the casing being hollow, the lower portion of the casing being fixedly connected to the lower base, and the lower base being pre-buried inside the convex-arc-shaped portion of the foundation (4); and the inner sleeve (10) comprises a top plate, a spring and a lower bottom plate, the top plate being connected to the lower bottom plate by means of the spring, the lower bottom plate being connected to the lower base of the pre-buried bearing casing (11), and the top plate of the inner sleeve (10) being fitted and connected to the bearing block of the outer sleeve (9). By means of changing the shape of the foundation and providing drainage ditches on two sides and flange structures, a vibration-damping device drains water more easily and is not prone to experiencing water accumulation, blockages can be removed more conveniently, and smooth drainage is ensured.

IPC Classes  ?

  • E01B 1/00 - Ballastway; Other means for supporting the sleepers or the track; Drainage of the ballastway
  • E01B 19/00 - Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
  • E03F 3/04 - Pipes or fittings specially adapted to sewers

2.

SLEEVE QUICK FIXING APPARATUS FOR FLOATING SLAB JACKING DEVICE

      
Application Number CN2024084086
Publication Number 2025/001364
Status In Force
Filing Date 2024-03-27
Publication Date 2025-01-02
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD. SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • CHINA RAILWAY SHANGHAI ENGINEERING GROUP CO., LTD. (China)
  • HUAHAI ENGINEERING CO., LTD. OF CREC SHANGHAI (China)
Inventor
  • Fan, Baoming
  • Wu, Nannan
  • Xu, Mingfa
  • Liu, Xisheng
  • Zhang, Yuekun
  • Li, Quan
  • Zhang, Hui
  • Wang, Songbo
  • Ding, Yu

Abstract

The present utility model relates to the field of steel spring floating slab track bed jacking construction apparatuses, and in particular to a sleeve quick fixing apparatus for a floating slab jacking device. The sleeve quick fixing apparatus for a floating slab jacking device comprises: a bottom plate, wherein the bottom plate is of a two-layer structure comprising an upper bottom plate and a lower bottom plate, the upper bottom plate and the lower bottom plate have the same shape and are arranged in parallel up and down, the shape of the upper bottom plate and the lower bottom plate matches the shape of a top opening of an outer sleeve, the upper bottom plate is connected to the lower bottom plate by means of a connecting plate, and the outer diameter of the connecting plate is less than the outer diameter of the upper bottom plate and the lower bottom plate, so that a channel structure is formed between the connecting plate and the upper bottom plate and the lower bottom plate; a top plate, adapted to be connected to a jacking device; and a rib plate, arranged between the bottom plate and the top plate and used for connecting the upper bottom plate and the top plate. Compared with the prior art, the present utility model has the advantages that the outer sleeve can be quickly connected, and the process is simple and convenient; the connection is stable and reliable, and there is no potential safety hazard; and the labor intensity of a jacking operator can be effectively reduced, and the operation time is shortened.

IPC Classes  ?

  • E01B 29/00 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor

3.

MULTIFUNCTIONAL TRACK LAYING MACHINE RECOVERY DEVICE

      
Application Number CN2023098449
Publication Number 2024/234421
Status In Force
Filing Date 2023-06-06
Publication Date 2024-11-21
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Xu, Mingfa
  • Meng, Chang
  • Ceng, Yue
  • Liu, Kangle
  • Fan, Baoming
  • Wang, Lichuan
  • Wang, Xusen
  • Zhao, Shiguang
  • Zheng, Shuilin
  • Yu, Mengqing

Abstract

The present utility model relates to the technical field of mechanical engineering, and in particular, to a multifunctional track laying machine recovery device capable of improving the working efficiency of a track laying machine, comprising an outer supporting device, an inner supporting device, and a hydraulic jacking device. The outer supporting device comprises a circular base, a plurality of short channel steels are arranged on the edge of the circular base, a first square steel is arranged on the circular base, a second square steel is arranged above the first square steel, and a plurality of third channel steels are arranged on the inner sides of second channel steels. The inner supporting device comprises a frame structure consisting of a plurality of channel steels, vertical column channel steels of the frame structure are embedded into the third channel steels, top channel steels are arranged above the frame structure, and limiting supports are arranged in the top channel steels. The hydraulic jacking device is mounted on the second square steels, and a jacking platform connected to the hydraulic jacking device is connected to the inner supporting device. Compared with the prior art, the present utility model has the following advantages: simple structure, high stability, convenience in operation, and low production cost; high safety performance, low labor cost, and high working efficiency; and allowing for more convenient and quick steering of the track laying machine.

IPC Classes  ?

  • E01B 29/16 - Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track

4.

FLOATING SLAB SLEEVE MOTOR JACKING DEVICE

      
Application Number CN2023082953
Publication Number 2024/164401
Status In Force
Filing Date 2023-03-22
Publication Date 2024-08-15
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Fan, Baoming
  • Wu, Nannan
  • Xu, Mingfa
  • Liu, Xisheng
  • Li, Quan
  • Meng, Fanbo
  • Wang, Xusen
  • Zhang, Yuekun
  • Yao, Yichen
  • Ding, Yu
  • Zheng, Shuilin
  • Yu, Mengqing

Abstract

The present utility model relates to the railway engineering technology, and in particular to a floating slab sleeve motor jacking device, comprising a jacking motor, and further comprising: a sleeve, wherein the sleeve comprises an outer sleeve and an inner sleeve, the outer sleeve is fixedly connected to a track bed, and the inner sleeve is mounted in the outer sleeve and used for jacking the outer sleeve; a support frame, wherein a through hole is formed in the top of the support frame, the support frame is connected to the jacking motor, a thread is formed in the bottom of the support frame, and the support frame is connected to the outer sleeve by means of bolts; and a screw pair, wherein the screw pair comprises a screw and a nut, the top of the screw is in driving connection with the jacking motor, the bottom of the screw is connected to the nut, and the nut passes through the through hole formed in the outer sleeve to be connected to the inner sleeve. Compared with the prior art, the present utility model has the advantage that the jacking device of the present utility model is driven by a servo motor, so that the process is stable, the work is free of pollution, the use is safe and reliable, the cost is low, and the construction efficiency is high.

IPC Classes  ?

  • E01B 29/00 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor
  • E01B 29/04 - Lifting or levelling of tracks
  • B66F 3/08 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw-operated
  • B66F 3/44 - Devices, e.g. jacks, adapted for uninterrupted lifting of loads with self-contained electric driving motors

5.

GREASE COATING TROLLEY

      
Application Number CN2023082962
Publication Number 2024/164402
Status In Force
Filing Date 2023-03-22
Publication Date 2024-08-15
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HANGZHOU METRO GROUP CO., LTD (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Xu, Mingfa
  • Jia, Chunlei
  • Fan, Baoming
  • Zhou, Haiqun
  • Liao, Zhijun
  • Ceng, Yue
  • Xu, Qiang
  • Li, Quan
  • Wu, Nannan
  • Zhu, Huihui
  • Zheng, Shuilin
  • Yu, Mengqing

Abstract

A grease coating trolley, comprising a vehicle body platform (1), and further comprising: a motor (5) and a whole belt and pully assembly (6) which are arranged above the vehicle body platform (1), an output shaft of the motor (5) being connected to the belt and pully assembly (6) and driving the whole belt and pully assembly (6) to move; two sets of rust removal and grinding devices arranged below the vehicle body platform (1), wherein the two sets of rust removal and grinding devices are respectively arranged on the left side and the right side of the vehicle body platform (1), each set of rust removal and grinding device comprises two grinding heads (8) arranged in parallel, the grinding heads (8) are connected to rotating shafts (13), and the tail parts of the rotating shafts (13) pass through the vehicle body platform (1) to be connected to the belt and pully assembly (6); and a material storage tank (2) arranged above the vehicle body platform (1), material conveying pipes (12) being arranged on two sides of the material storage tank (2). The grease coating trolley has the advantages that: a high function integration degree and a simple operation process are achieved, grinding and protective grease coating of railway track fasteners can both be achieved on one vehicle body platform, the automation degree and intelligent degree are high, manpower is freed, and the efficiency is improved.

IPC Classes  ?

  • E01B 31/02 - Working rail or other metal track components on the spot
  • E01B 31/17 - Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
  • E01B 31/00 - Working rails, sleepers, baseplates, or the like, in or on the line; Machines, tools, or auxiliary devices specially designed therefor

6.

STEEL RAIL FIXING AND CLAMPING DEVICE

      
Application Number CN2023092904
Publication Number 2024/027253
Status In Force
Filing Date 2023-05-09
Publication Date 2024-02-08
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HANGZHOU METRO GROUP CO., LTD. (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Zhou, Haiqun
  • Gou, Qingsong
  • Zeng, Yue
  • Fan, Baoming
  • Xu, Mingfa
  • Xie, Bo
  • Li, Quan
  • Wu, Nannan
  • Gao, Yihui
  • He, Peixin
  • Chen, Xinyi

Abstract

The present utility model relates to the technical field of rail engineering, and in particular to a steel rail fixing and clamping device, comprising a steel rail; a rack, which is formed by connecting vertical plates on two sides, a transverse frame arranged on the tops of the vertical plates, and a transverse support plate arranged in the middles of the vertical plates; a transmission mechanism, which is composed of a gear set, a crank-slider mechanism, a screwing switch and an output rod, wherein the gear set is connected to the crank-slider mechanism, the crank-slider mechanism is connected to the output rod, the screwing switch passes through a threaded hole in the transverse frame and is connected to the gear set arranged between the transverse frame and the transverse support plate, and by rotating the screwing switch, the output rod moves forwards and backwards; and a clamping mechanism, which comprises a movable clamping mechanism and a fixed clamping mechanism, wherein the fixed clamping mechanism is connected to the vertical plates, and the movable clamping mechanism is connected to the output rod. The present utility model is easy to operate, has a firm clamping effect, and can adjust the width of clamping according to actual use requirements, and is therefore widely adaptable.

IPC Classes  ?

  • E01B 29/16 - Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track

7.

HEIGHT-ADJUSTABLE ROLLER

      
Application Number CN2023092780
Publication Number 2024/021753
Status In Force
Filing Date 2023-05-08
Publication Date 2024-02-01
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HANGZHOU METRO GROUP CO., LTD. (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Zhou, Haiqun
  • Li, Quan
  • Fan, Baoming
  • Xu, Mingfa
  • Gou, Qingsong
  • Wu, Nannan
  • Cai, Yaqian

Abstract

The present invention relates to the technical field of mechanical engineering, and in particular to a height-adjustable roller, comprising a steel rail roller and a height adjustment device, wherein the height adjustment device is arranged in a base, the bottom of the steel rail roller is provided with a roller support, and the roller support is connected to the height adjustment device; the height adjustment device is composed of a scissor-shaped support and an adjustment screw rod; the scissor-shaped support is formed by a first connection rod and a second connection rod which are coaxially connected to each other in the middle; one side of each of the first connection rod and the second connection rod is provided with a sliding block, and the other side thereof is provided with a fixed block; the sliding block of the first connecting rod is connected to the adjustment screw rod, the fixed block of the first connection rod and the sliding block of the second connecting rod are connected to the bottom of the roller support, and the sliding block of the first connection rod and the fixed block of the second connection rod are connected to the base; and the interior of the base and the bottom of roller support are each provided with a sliding groove in which the sliding block slides. The device itself has a roller height adjustment function, and thus can perform real-time adjustment during a steel rail stress-relieving operation.

IPC Classes  ?

  • E01B 31/02 - Working rail or other metal track components on the spot

8.

LONG-DISTANCE FLOATING SLAB BALLAST BED JACKING APPARATUS

      
Application Number CN2023077565
Publication Number 2024/021589
Status In Force
Filing Date 2023-02-22
Publication Date 2024-02-01
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HANGZHOU METRO GROUP CO., LTD (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Zhou, Haiqun
  • Gao, Yihui
  • Ceng, Yue
  • Fan, Baoming
  • Xu, Mingfa
  • Wu, Nannan
  • Li, Quan
  • Gou, Qingsong

Abstract

A long-distance floating slab ballast bed jacking apparatus, comprising: a track trolley (2), wherein a battery panel (2-1) is provided on the track trolley (2), mechanical arms (2-2) are provided at two ends of the track trolley (2), and the mechanical arms (2-2) are connected to a worm gear lead screw lifting/lowering mechanism (1) by means of mechanical claws; and a plurality of outer sleeves (3) arranged in two columns, wherein ballast beds are provided on the upper surfaces of the outer sleeves (3), the middles of the outer sleeves (3) are hollowed-out and connected to the worm gear lead screw lifting/lowering mechanism (1), the track trolley (2) moves between two ballast beds, a supporting frame (1-4) is provided at the bottom of the lifting/lowering mechanism (1), and the supporting frame (1-4) is detachably connected to the outer sleeves (3). Informatization and mechanical control are achieved and one-time jacking of a single ballast bed is achieved, thereby improving the working efficiency and freeing manpower; a permanent magnet motor has high control precision and does not pollute the site and other tools during use.

IPC Classes  ?

  • E01B 19/00 - Protection of permanent way against development of dust or against the effect of wind, sun, frost, or corrosion; Means to reduce development of noise
  • E01B 29/00 - Laying, rebuilding, or taking-up tracks; Tools or machines therefor

9.

SYNCHRONOUS LIFTING AND TRANSVERSE MOVING DEVICE FOR LONG STEEL RAIL REPLACEMENT

      
Application Number CN2023077564
Publication Number 2023/241089
Status In Force
Filing Date 2023-02-22
Publication Date 2023-12-21
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Xu, Mingfa
  • Jia, Chunlei
  • Han, Mei
  • Liu, Xisheng
  • Fan, Baoming
  • Xie, Bo
  • Wang, Lichuan
  • Lai, Lele
  • Gou, Qingsong

Abstract

A synchronous lifting and transverse moving device for long steel rail replacement, comprising a door-type frame (3), a transverse moving trolley (6), a lifting rod (4), a transverse moving rod (5), and a rail clamping device (7). The door-type frame (3) is formed by two cross beams juxtaposed; a gap is left between the two cross beams; a notch is formed in the bottom of the transverse moving trolley (6) and matched with the door-type frame (3); the lifting rod (4) is provided in the transverse moving trolley (6); the rail clamping device (7) is provided at one end of the bottom of the lifting rod (4); the lifting rod (4) passes through the gap of the door-type frame (3) and is connected to a steel rail; and one end of the transverse moving rod (5) is connected to the transverse moving trolley (6) and used for driving the transverse moving trolley (6) and the lifting rod (4) to transversely move together. The device uses a modularized, lightweight, and rapid assembly and disassembly design, facilitating a constructor to carry the device into and out of a construction site, the long-distance long steel rail replacement can be achieved, and manpower resources are saved.

IPC Classes  ?

  • E01B 29/16 - Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track

10.

BOLT WRENCH DOUBLE-RAIL SYNCHRONOUS OPERATION TROLLEY FOR TRACK MAINTENANCE OPERATION

      
Application Number CN2023092778
Publication Number 2023/231711
Status In Force
Filing Date 2023-05-18
Publication Date 2023-12-07
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Gou, Qingsong
  • Fan, Baoming
  • Xu, Mingfa
  • Luo, Wanli
  • Zhang, Yuekun
  • Li, Quan
  • Wu, Nannan
  • Gao, Yihui
  • He, Peixin

Abstract

Disclosed is a bolt wrench double-rail synchronous operation trolley for track maintenance operation, which structurally comprises a trolley body, a bolt wrench operation bracket, and a new energy battery (10). The trolley body comprises four wheel sets, a trolley body frame, a bottom plate (7), and a trolley handle (8); the bolt wrench operation bracket consists of fixed bases (11), bearings (12), rotating brackets (13), upper connecting rods (14), lower connecting rods (15), spring sleeve rods (16), spring sleeves (17), springs (18), and connecting bases (19); the new energy battery (10) is mounted in a battery pack base in the middle of the front of the trolley body. The operation trolley has a simple structure, it is convenient and rapid to mount and dismount each component, and the operation difficulty is low; the new energy lithium battery technology is employed, thereby reducing dependence on a distribution box and pollution to the environment, and ensuring the health of an operator; a push-type operation mode is used to replace a traditional handheld operation, thereby reducing the labor intensity of a worker; a double-rail synchronous operation mode is implemented, and maintenance operations of steel rail bolts on both sides are performed simultaneously, thereby greatly improving the operation efficiency.

IPC Classes  ?

  • B61D 15/10 - Railway inspection trolleys hand or foot-propelled
  • B61D 15/12 - Railway inspection trolleys power-propelled
  • B61D 15/08 - Railway inspection trolleys
  • E01B 29/28 - Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes

11.

TOTAL STATION DAMPING AND LOCKING DEVICE

      
Application Number CN2023077563
Publication Number 2023/226484
Status In Force
Filing Date 2023-02-22
Publication Date 2023-11-30
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Wu, Nannan
  • Fan, Baoming
  • Yuan, Jian
  • Xu, Mingfa
  • Zhang, Yuekun
  • Luo, Wanli
  • Li, Quan
  • Gou, Qingsong
  • Cai, Yaqian
  • Gao, Yihui

Abstract

The present utility model relates to the technical field of mechanical engineering, in particular to a total station damping and locking device. The device comprises a base, dampers, a top plate and a clamping structure. The base is disk-shaped; an end portion thereof is provided with through holes; and a carrier, the dampers and the clamping structure are respectively fixedly connected to the base by means of the through holes. The top plate is disk-shaped, and the dampers are arranged between the base and the top plate. By means of using three hydraulic damping, the device not only has a damping function, but also has a good supporting effect. By means of hydraulic damping, damping is made sensitive and a good damping effect is achieved.

IPC Classes  ?

  • F16F 13/00 - Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs

12.

STEEL RAIL TEMPERATURE AND INTERNAL STRESS MONITORING APPARATUS FOR STRESS RELIEF OPERATIONS

      
Application Number CN2023091233
Publication Number 2023/216905
Status In Force
Filing Date 2023-04-27
Publication Date 2023-11-16
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Li, Quan
  • Luo, Wanli
  • Wu, Nannan
  • Gao, Yihui
  • Gou, Qingsong
  • He, Peixin
  • Chen, Xinyi
  • Cai, Yaqian

Abstract

A steel rail temperature and internal stress monitoring apparatus for stress relief operations, comprising a steel rail, a measuring apparatus, a data transmission apparatus, and a master control module, the network topology structure between the data transmission apparatus and the master control module being a bus-type connection, the measuring apparatus being connected to the steel rail and being used for measuring data of the steel rail, the measuring apparatus being composed of a temperature strain gauge (1-1), an internal stress strain gauge (1-2), a reinforcing apparatus (1-4), and an adsorption apparatus (1-3), and the equipment using sensors to measure the steel rail temperature and internal stress, effectively reducing the amount of operations in the measurement process and increasing the measurement efficiency.

IPC Classes  ?

  • G01K 13/00 - Thermometers specially adapted for specific purposes
  • G01K 1/14 - Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
  • G01L 5/00 - Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes

13.

NEW ENERGY GUIDE RAIL-TYPE STEEL RAIL CLEANING INTEGRATED SYSTEM

      
Application Number CN2022097538
Publication Number 2023/134108
Status In Force
Filing Date 2022-06-08
Publication Date 2023-07-20
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Luo, Wanli
  • Li, Quan
  • Wu, Nannan
  • Xuan, Ganqing
  • Gao, Yihui
  • He, Peixin
  • Gou, Qingsong

Abstract

Provided is a new energy guide rail-type steel rail cleaning integrated system, comprising: a horizontal movement guide rail assembly, a vertical movement guide rail assembly, and a cleaning head assembly. By means of the coordination between a cleaning head support (3) and a guide rail, the stability of a cleaning head during a rust removal process can be ensured, thereby preventing the shaking of a device from affecting the rust removal effect. By controlling a laser emission direction by means of a galvanometer (17), the rust removal problem at a curved surface of a steel rail can be overcome very well, thereby ensuring the rust removal effect and quality.

IPC Classes  ?

  • B24B 27/033 - Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface

14.

NEW-ENERGY RAIL TRANSPORT DEVICE HAVING DOUBLE TRAVELLING SYSTEMS, AND USE METHOD

      
Application Number CN2022078541
Publication Number 2023/279741
Status In Force
Filing Date 2022-03-01
Publication Date 2023-01-12
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND THCHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF RCEC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Jia, Chunlei
  • Fan, Baoming
  • Xu, Mingfa
  • Wu, Feng
  • Xuan, Ganqing
  • Han, Mei
  • Li, Quan
  • Wu, Nannan

Abstract

A new-energy rail transport device having double travelling systems, comprising: a flat frame (1-5); two cabs (1-1) respectively provided at the front end and the rear end of the flat frame (1-5); double travelling systems comprising two wheel-rail travelling structures (1-4) and two tire travelling structures (1-3), one wheel-rail travelling structure (1-4) and one tire travelling structure (1-3) being arranged below the front end of the flat frame (1-5), and the other wheel-rail travelling structure (1-4) and the other tire travelling structure (1-3) being arranged below the rear end of the flat frame (1-5); and a power apparatus (1-6), an electric control system (1-7), and a hydraulic system (1-8) provided arranged at the bottom of the middle of the flat frame (1-5), the power apparatus (1-6) being used for providing a driving force for a whole vehicle, and the electric control system (1-7) and the hydraulic system (1-8) being used for controlling the switching of wheel sets, switching to the wheel-rail travelling structures (1-4) when travelling on a main rail, and switching to the tire travelling structures (1-3) when travelling on a tunnel wall and a flat ground. Further disclosed is a method for using the device. The transport device is equipped with two sets of travelling systems, and can switch the wheel sets according to different road conditions, thereby facilitating material transportation.

IPC Classes  ?

  • B60F 1/04 - Vehicles for use both on rail and on road; Conversions therefor with rail and road wheels on different axles

15.

HIGHWAY-RAILWAY DUAL-PURPOSE MULTI-SHAFT POWER FLATBED CAR AND CAR SET

      
Application Number CN2022078535
Publication Number 2022/199336
Status In Force
Filing Date 2022-03-01
Publication Date 2022-09-29
Owner
  • CHINA RAILWAY GROUP LIMITED (China)
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND THCHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF RCEC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
  • HANGZHOU METRO GROUP CO., LTD. (China)
Inventor
  • Li, Quan
  • Fan, Baoming
  • Li, Qiang
  • Wu, Chao
  • Yang, Jian
  • Xu, Mingfa
  • Luo, Wanxiang
  • Wang, Baofeng

Abstract

A highway-railway dual-purpose multi-shaft power flatbed car and a car set. At least three wheel carrier mechanisms are sequentially arranged on the lower side of a car body (1-1) at intervals from front to back; rail wheels are connected to the wheel carrier mechanisms; the wheel carrier mechanism on the foremost side and the wheel carrier mechanism on the rearmost side are bogies (1-3); and the remaining wheel frame mechanisms are power frames (1-4). According to the flatbed car and the car set, a combined structure is simple and feasible, and easy to mount and dismount; the car body can run on erected steel rails and a tunnel cushion layer, and can adapt to various working environments; the flatbed car for carrying goods is used for directly providing power, the original goods carrying mode that the flatbed car is dragged by a rail car is replaced, the occupied space in a tunnel in a material transportation process is reduced, and the material loading and unloading efficiency is improved; and a three-axle car body is used, such that steering torque of the car body is reduced, and stability of the car body during steering is improved.

IPC Classes  ?

  • B60F 1/00 - Vehicles for use both on rail and on road; Conversions therefor
  • B61F 3/02 - Types of bogies with more than one axle
  • B61D 3/08 - Flat wagons including posts or standards
  • B62D 3/00 - Steering gears
  • B61D 11/00 - Mine cars

16.

DERUSTING DEVICE FOR STEEL RAILS

      
Application Number CN2022078547
Publication Number 2022/193939
Status In Force
Filing Date 2022-03-01
Publication Date 2022-09-22
Owner
  • (SUZHOU) RAIL TRANSIT SCIENCE AND THCHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF RCEC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
Inventor
  • Xu, Zebo
  • Li, Quan
  • Fan, Baoming
  • Xu, Mingfa
  • Liu, Xisheng
  • Wu, Chao
  • Wu, Nannan
  • Du, Wenxiu

Abstract

A derusting device for steel rails (600), the derusting device comprising a first trolley (100), a plurality of laser generators (200), a smoke purification device (300), a second trolley (400), and a plurality of laser emission devices (500). The derusting device carries the laser generators (200) and the smoke purification device (300) along the steel rails (600) by means of the first trolley (100), and carries the laser emission devices (500) along the steel rails (600) by means of the second trolley (400); and the laser generators (200) and the laser emission devices (500) perform laser derusting work on the steel rails (600), and the smoke purification device (300) collects an exhaust gas and particulate matter generated by derusting. The derusting device is simple to operate, has a low equipment cost and has high work efficiency, thereby reducing the labor intensity of construction workers, improving the construction environment, and having good application prospects.

IPC Classes  ?

  • E01B 31/12 - Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails
  • E01B 31/18 - Reconditioning or repairing worn or damaged parts on the spot, e.g. applying inlays, building-up rails by welding; Heating or cooling of parts on the spot, e.g. for reducing joint gaps, for hardening rails
  • B23K 26/36 - Removing material
  • E01H 8/10 - Removing undesirable matter from rails, flange grooves, or the like, e.g. removing ice from contact rails, removing mud from flange grooves
  • B60F 1/00 - Vehicles for use both on rail and on road; Conversions therefor

17.

HIGHWAY-RAILWAY DUAL-PURPOSE TRACK-LAYING MACHINE FOR URBAN RAIL TRANSIT ENGINEERING

      
Application Number CN2021080184
Publication Number 2022/001169
Status In Force
Filing Date 2021-03-11
Publication Date 2022-01-06
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND THCHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF RCEC (China)
Inventor
  • Zhao, Wenjun
  • Duan, Derong
  • Xu, Mingfa
  • Zheng, Kanghai
  • Xu, Xiufa
  • Wang, Baofeng

Abstract

A highway-railway dual-purpose track-laying machine for an urban rail transit engineering, comprising a framework structure, a traveling mechanism, and a hoisting system. The framework structure comprises a framework; the framework comprises a side framework structure and an upper connection framework structure; the side framework structure comprises a lower fixed structure and an upper movable structure; the upper movable structure can stretch out and draw back with respect to the lower fixed structure; the upper connection framework structure comprises a fixed structure and a movable structure; the movable structure can stretch out and draw back with respect to the fixed structure; the traveling mechanism is connected to the framework structure and used for achieving the movement of the framework structure; and the hoisting system is provided on the framework structure and used for hoisting. The combined structure of the track-laying machine is simple and feasible; the traveling and track gauge change structure of the highway-railway dual-purpose track-laying machine for the urban rail transit engineering and a structure for achieving whole machine span change are separately designed, and the traveling mechanism is designed to be a height and position adjustable structure, and thus, corresponding change requirements can be realized according to working condition requirements.

IPC Classes  ?

  • E01B 29/16 - Transporting, laying, removing, or replacing rails; Moving rails placed on sleepers in the track

18.

STEEL RAIL WELD SEAM FULL-SECTION MILLING AND GRINDING MACHINE AND OPERATING VEHICLE

      
Application Number CN2021080135
Publication Number 2021/244092
Status In Force
Filing Date 2021-03-11
Publication Date 2021-12-09
Owner
  • SHANGHAI CIVIL ENGINEERING CO., LTD OF CREC (China)
  • HUAHAI ENGINEERING CO., LTD OF CREC SHANGHAI (China)
  • (SUZHOU) RAIL TRANSIT SCIENCE AND THCHNOLOGY RESEARCH INSTITUTE CO., LTD SHANGHAI CIVIL ENGINEERING GROUP OF RCEC (China)
Inventor
  • Liu, Xisheng
  • Wang, Shejiang
  • Zhang, Jianpeng
  • Zhao, Wenjun
  • Xu, Mingfa

Abstract

A steel rail weld seam full-section milling and grinding machine, comprising a first body frame (1-1) and a second body frame (2-2) which are rotatably connected by means of a positioning middle shaft (2-6). A rail top positioning block (2-4) is provided on one side of the positioning middle shaft (2-6); the first and second body frames are provided with rail waist positioning blocks (2-5) oppositely on the side of the rail top positioning block (2-4) away from the positioning middle shaft (2-6), and a driving mechanism is provided between the first and second body frames and is used for driving the first and second body frames to relatively rotate around the positioning middle shaft (2-6) so as to clamp and loosen a steel rail (5-1) by means of the rail top positioning block and the rail waist positioning blocks; a machining space is formed between the first and second body frames, and a milling and grinding system (1-3) for milling and grinding steel rails is provided in the machining space. The overall structure can be simplified, the positioning distance is greatly shortened, the device rigidity is improved, and the positioning reference deviation is ensured to be within a reasonable range; and the machine takes a steel rail as a fixed reference, milling and grinding are performed along the surface of the steel rail, and a complicated measuring apparatus is not needed.

IPC Classes  ?

  • E01B 31/17 - Removing metal from rails, rail joints, or baseplates, e.g. for deburring welds, reconditioning worn rails by grinding
  • B61D 15/00 - Other railway vehicles, e.g. scaffold cars; Adaptations of vehicles for use on railways