Provided is an arm-type aerial work platform. The platform includes a chassis mechanism and a walking drive mechanism. The chassis mechanism includes a front drive axle, a rear drive axle, front drive wheels on two sides of the front drive axle, and rear drive wheels on two sides of the rear drive axle. The walking drive mechanism includes a front transmission shaft, a rear transmission shaft, a transfer case, and a first drive motor. The first drive motor includes a first permanent magnet synchronization motor and a first alternating current driver, an input terminal of the first permanent magnet synchronization motor is electrically connected to the first alternating current driver, and an output terminal of the first permanent magnet synchronization motor is connected to an input terminal of the transfer case.
B66F 11/04 - Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
B62D 5/07 - Supply of pressurised fluid for steering also supplying other consumers
H02K 19/10 - Synchronous motors for multi-phase current
2.
METHOD AND SYSTEM FOR CONTROLLING A ROTATION SPEED OF A TURNTABLE AND AERIAL WORK PLATFORM
Provided are a method and system for controlling a rotation speed of a turntable and an aerial work platform. The method includes the following: When a boom is in the unfolded state, the rotational angular velocity ω of the turntable is equal to ω0−k1(α−α0) when the luffing angle α of the boom is greater than or equal to α0 and the length L of the boom is less than L0. α0 is a set constant of the luffing angle of the boom, L0 is a set constant of the length of the boom, and k1 is an angular velocity coefficient for luffing control of the boom. The rotational angular velocity w of the turntable is equal to ω0−k2(L−L0) when the luffing angle α of the boom is less than α0 and the length L of the boom is greater than or equal to L0. k2 is an angular velocity coefficient for elongation control of the boom. The rotational angular velocity ω of the turntable is equal to MIN{ω0−k1(α−α0), ω0−k2(L−L)} when the luffing angle α of the boom is greater than or equal to α0 and the length L of the boom is greater than or equal to L0.
B66F 11/04 - Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
B66F 17/00 - Safety devices, e.g. for limiting or indicating lifting force
3.
FOUR-WHEEL STEERING CONTROL SYSTEM AND CONTROL METHOD THEREFOR
A The four-wheel steering control system includes a front drive axle, a front drive cylinder, a rear drive axle, a rear drive cylinder, a first reversing valve, a second reversing valve, and a switch valve. The front drive cylinder is drivingly connected to the front drive axle, and the rear drive cylinder is drivingly connected to the rear drive axle. A first working oil port of the first reversing valve communicates with one oil chamber of the front drive cylinder. A second working oil port of the first reversing valve communicates with an oil inlet of the second reversing valve. An oil return port of the second reversing valve communicates with another oil chamber of the front drive cylinder. Two working oil ports of the second reversing valve communicate with two oil chambers of the rear drive cylinder one to one.
B62D 9/00 - Steering deflectable wheels not otherwise provided for
B62D 5/08 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of valve used
B62D 5/093 - Telemotor driven by steering wheel movement
4.
FOUR-WHEEL STEERING CONTROL SYSTEM AND CONTROL METHOD THEREFOR
Provided are a four-wheel steering control system and a method therefor. The four-wheel steering control system includes a front drive axle, a front drive cylinder, a rear drive axle, a rear drive cylinder, a first reversing valve, a second reversing valve, and a switch valve. The front drive cylinder is drivingly connected to the front drive axle, and the rear drive cylinder is drivingly connected to the rear drive axle. A first working oil port of the first reversing valve communicates with one oil chamber of the front drive cylinder. A second working oil port of the first reversing valve communicates with an oil inlet of the second reversing valve. An oil return port of the second reversing valve communicates with another oil chamber of the front drive cylinder. Two working oil ports of the second reversing valve communicate with two oil chambers of the rear drive cylinder one to one. The oil return port of the second reversing valve communicates with an oil tank through the switch valve.
B62D 5/08 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of valve used
B62D 5/18 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by power transmitting means
5.
METHOD AND SYSTEM FOR CONTROLLING A ROTATION SPEED OF A TURNTABLE AND AERIAL WORK PLATFORM
Provided are a method and system for controlling a rotation speed of a turntable and an aerial work platform. The method includes the following: When a boom is in the unfolded state, the rotational angular velocity ? of the turntable is equal to ?0?k1(???0) when the luffing angle ? of the boom is greater than or equal to ?0 and the length L of the boom is less than L0. ?0 is a set constant of the luffing angle of the boom, L0 is a set constant of the length of the boom, and k1 is an angular velocity coefficient for luffing control of the boom. The rotational angular velocity ? of the turntable is equal to ?0?k2(L?L0) when the luffing angle ? of the boom is less than ?0 and the length L of the boom is greater than or equal to L0. k2 is an angular velocity coefficient for elongation control of the boom. The rotational angular velocity ? of the turntable is equal to MIN{?0?k1(???0), ?0?k2(L?L0)} when the luffing angle ? of the boom is greater than or equal to ?0 and the length L of the boom is greater than or equal to L0.
B66C 23/90 - Devices for indicating or limiting lifting movement
B66F 11/04 - Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
Earth moving machines, namely, excavators; Earth moving machines, namely, loaders; Hoists; Lifting installations for the transport of persons and goods; Lifting work platforms; Mineworking machines; Mobile elevating work platforms; Pile drivers; Power-operated lifting and moving equipment, namely, pipe layers, fork lifts, telehandlers, and lifts; Tilling machines for agricultural purposes; Truck bed-mounted material handling machinery primarily for use in the construction materials delivery industry, namely, hydraulic extendable material conveyors, mechanical extendable material conveyors, and truck bed material lifting platforms
Earth moving machines, namely, excavators; Earth moving machines, namely, loaders; Hoists; Lifting installations for the transport of persons and goods; Lifting work platforms; Mineworking machines; Mobile elevating work platforms; Pile drivers; Power-operated lifting and moving equipment, namely, pipe layers, fork lifts, telehandlers, and lifts; Tilling machines for agricultural purposes; Truck bed-mounted material handling machinery primarily for use in the construction materials delivery industry, namely, hydraulic extendable material conveyors, mechanical extendable material conveyors, and truck bed material lifting platforms
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Aerial work lifts; aerial work platforms; agricultural machines, namely, cultipackers; cranes; excavators; extractors for mines; loaders being earth moving machines; machines for geological, mining and ore exploration; pile drivers; telehandler lifts; telehandlers
(2) Fork lift trucks; lorries; mine cars; motor cars for transport on land; off-road vehicles for transporting loads; sprinkling trucks; tilting-carts; trucks incorporating a crane; tyres for vehicle wheels
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
(1) Aerial work lifts; aerial work platforms; agricultural machines, namely, cultipackers; cranes; excavators; extractors for mines; loaders being earth moving machines; machines for geological, mining and ore exploration; pile drivers; telehandler lifts; telehandlers
(2) Fork lift trucks; lorries; mine cars; motor cars for transport on land; off-road vehicles for transporting loads; sprinkling trucks; tilting-carts; trucks incorporating a crane; tyres for vehicle wheels
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Elevating work platforms; Elevating apparatus; Mobile elevating work platforms; Hoists; Excavators; Loaders [machines]; Tilling machines for agricultural purposes; Mineworking machines; Pile drivers; Haulage apparatus [mining]; handling apparatus for loading and unloading. Fork lift trucks; Lorries; Trucks with a crane feature incorporated; Sprinkling trucks; Vehicles for locomotion by land, air, water or rail; Mine cars; Tilting-carts; Motor cars for transport on land; Tyres for vehicle wheels.
12 - Land, air and water vehicles; parts of land vehicles
Goods & Services
Elevating work platforms; Elevating apparatus; Mobile elevating work platforms; Hoists; Excavators; Loaders [machines]; Tilling machines for agricultural purposes; Mineworking machines; Pile drivers; Haulage apparatus [mining]; handling apparatus for loading and unloading. Fork lift trucks; Lorries; Trucks with a crane feature incorporated; Sprinkling trucks; Vehicles for locomotion by land, air, water or rail; Mine cars; Tilting-carts; Motor cars for transport on land; Tyres for vehicle wheels.
12.
FOUR-WHEEL STEERING CONTROL SYSTEM AND CONTROL METHOD THEREFOR
A four-wheel steering control system and a control method therefor. The four-wheel steering control system comprises a front drive axle, a front drive oil cylinder, a rear drive axle, a rear drive oil cylinder, a first reversing valve, a second reversing valve and a switch valve. The front drive oil cylinder is in driving connection with the front drive axle; the rear drive oil cylinder is in driving connection with the rear drive axle; a first working oil port of the first reversing valve is in communication with one oil cavity of the front drive oil cylinder; a second working oil port of the first reversing valve is in communication with an oil inlet of the second reversing valve; an oil return port of the second reversing valve is in communication with another oil cavity of the front drive oil cylinder; two working oil ports of the second reversing valve are respectively in communication with two oil cavities of the rear drive oil cylinder; and the oil return port of the second reversing valve is further in communication with an oil tank by means of the switch valve.
B62D 5/06 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
B62D 5/08 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by type of valve used
B62D 5/18 - Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by power transmitting means
13.
CONTROL METHOD AND CONTROL SYSTEM FOR ROTATION SPEED OF ROTARY TABLE, AND AERIAL WORK PLATFORM
A control method and control system for the rotation speed of a rotary table, and an aerial work platform. The control method for the rotation speed of a rotary table comprises: when an arm support is in an unfolded state, if the amplitude change angle α of the arm support satisfies α ≥ α0, and the length L of the arm support satisfies L < L0, the rotation angular speed ω of a rotary table satisfying ω = ω0 - k1(α - α0), wherein α0 is a set constant of the amplitude change angle of the arm support, L0 is a set constant of the length of the arm support, and k1 is an amplitude change control angular speed coefficient of the arm support; if the amplitude change angle α of the arm support satisfies α < α0, and the length L of the arm support satisfies L ≥ L0, the rotation angular speed ω of the rotary table satisfying ω = ω0 - k2(L - L0), wherein k2 is an elongation control angular speed coefficient of the arm support; and if the amplitude change angle α of the arm support satisfies α ≥ α0, and the length L of the arm support satisfies L ≥ L0, the rotation angular speed ω of the rotary table satisfying ω = MIN{ω0 - k1(α - α0), ω0 - k2(L - L0)}. The control system comprises a computer-readable storage medium and a control unit, and the aerial work platform comprises the control system.
B66C 23/04 - Cranes comprising essentially a beam, boom or triangular structure acting as a cantilever and mounted for translatory or swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib cranes, derricks or tower cranes with jibs the effective length of which is variable in operation, e.g. longitudinally displaceable, extensible
B66F 11/04 - Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
Goods & Services
Filtering machines for mechanical purposes, chemical processing; agricultural machines, namely, combine harvesters, cultivators, disk harrows, seeders, tillers, and threshers; textile dyeing machines; leather-working machines; engraving machines; laundry washing machines; hydraulic turbines, other than for land vehicles; transmissions for machines; disintegrator for chemical processing; electromechanical food preparation machines, namely, electric food choppers, electric food blenders, electric food processors, and electric food grinders; electromechanical beverage preparation machines; metalworking, stoneworking machines for local products and sundry goods; wrapping machines; electromechanical machines for the chemical industry, namely, machines for grinding mills for chemical processing; metalworking machines; carburetter feeders in the nature of engine fuel pumps; electroplating machines; papermaking machines; typographic machines, namely, typographic presses; painting machines; dynamos; welding machines, electric; electric machines and apparatus for cleaning, namely, drycleaning machines, floor cleaning machines, and steam cleaning machines; mineworking machines; hoists; foundry machines, namely, forge blowers, and compression molding machines; machine tools for compacting powder materials, crushing rock, and removing waste material; electric pumps for use as parts of machines, engines or motors; woodworking machines, namely, pocket hole machine, edge bender, line boring machine, planer, sanding machines for woodworking, and woodworking saw-tooth setting machines; yarn spinning machines; tobacco processing machines; kitchen machines, electric, namely, electric standing mixers, and electric food blenders; machines for processing plastics; glass-working machines; puddling machines; excavators, namely, excavating machines; hand-held tools, other than hand-operated, namely, electric hand-held drills Water-pipes for sanitary installations, namely, flexible pipes being part of basin plumbing installations and sink plumbing installations; lamps; electric stoves; air-conditioning installations; refrigerating cabinet, namely, electric refrigerators; heating apparatus for solid, liquid or gaseous fuels; heating installations; radiators, electric; disinfectant apparatus Aerial conveyors; automobile bodies; cars; electric vehicles in the nature of cars; bicycles; electric bicycles; trolleys; vehicle seats; vehicles for locomotion by land, air, water or rail, namely, yachts, cars, vans, and airplanes; tyres for vehicle wheels Construction consultancy; building construction; plumbing; machinery installation, maintenance and repair; elevator installation and repair; motor vehicle maintenance and repair; rental of construction equipment; mining extraction; upholstery repair; furniture maintenance
12 - Land, air and water vehicles; parts of land vehicles
37 - Construction and mining; installation and repair services
Goods & Services
(1) Filtering machines for chemical processing, mechanical engineering; agricultural machines, namely, combine harvesters, cultivators, disk harrows, seeders, tillers, and threshers; Textile dyeing machines; leather-working machine namely leather finishing machines, leather dressing machines, leather paring machines, leather polishing machines, leather shearing machines, leather tanning machines; engraving machines; washing machines [laundry]; hydraulic turbines; transmissions for machines; disintegrators for chemical processing; electromechanical food preparation machines, namely, electric food choppers, electric food blenders, electric food processors, and electric food grinders; beverage preparation machines, electromechanical, namely, coffee extracting machines and electric coffee frothers; beverage preparation machines, electromechanical, namely, electric blenders for the preparation of drinks; beverage preparation machines, electromechanical, namely, electric juicers; stone-working machines for local products and sundry goods; wrapping machines; electromechanical machines for chemical industry, namely, machines for grinding mills for chemical processing; metalworking machines; carburetter feeders; electroplating machines; papermaking machines (paper machines); typographic machines; painting machines; dynamos; welding machines, electric; electric machines and apparatus for cleaning, namely, drycleaning machines, floor cleaning machines, and steam cleaning machines; mineworking machines namely deep-sea mining machines, extractors for mines; hoists namely automotive hoists, boat hoists, electric hoists, hydraulic hoists, pneumatic hoists, wire hoists; foundry machines, namely, forge blowers, and compression molding machines; machine tools for compacting powder materials, crushing rock, and removing waste material; electric pumps for use as parts of machines, engines and motors; woodworking machines, namely, pocket hole machine, edge bender, line boring machine, planer, sanding machines for woodworking, and woodworking saw-tooth setting machines; yarn spinning machines; tobacco processing machines; kitchen machines, electric, namely, electric standing mixers, and electric food blenders; machines for processing plastics namely automatic machines for thermoforming and processing of plastics, extrusion machines for plastics, and injection plastic molding machines; glass-working machines namely glass cutting machines, glass polishing machines, glass bottle making machines, and industrial robots for working glass; puddling machine; excavators; hand-held tools, other than hand-operated, namely, electric hand-held drills.
(2) Water-pipes for sanitary installations, namely, flexible pipes being part of basin plumbing installations and sink plumbing installations; lamps namely electric lamps, led lamps, miners' lamps, desk lamp, bicycle lamp, fog lamp, oil lamp, and vehicle dynamo lamps; electric stove; air-conditioning installations namely air conditioning installations for vehicles and central air-conditioning installations for industrial purposes; refrigerating cabinet; heating apparatus for solid, liquid or gaseous fuels namely heating elements, waste oil heaters, oil heaters used for household purposes, storage water heaters, and heaters for vehicles; heating installations namely solid fuel burning stoves, aquarium heaters, gas fires; electric radiators; disinfectant apparatus namely ultraviolet (UV) lamps for use in disinfecting surfaces, ultraviolet water disinfection devices, and mobile ultraviolet (uv) devices for automated surface disinfection.
(3) Aerial conveyors; automobile bodies; cars; electric vehicles namely electric cars; bicycles; electric bicycles; trolleys namely cleaning trolleys, luggage trolleys, two-wheeled trolleys, tool trolleys, roll cage trolleys; vehicle seats; vehicles for locomotion by land, air, water or rail namely, yachts, cars, vans, and airplanes; tyres for vehicle wheels. (1) Building construction consultation; building construction; plumbing; machinery installation, maintenance and repair namely maintenance and repair of heavy machinery, washing of heavy equipment, and installation, maintenance and repair of building automation equipment; elevator installation and repair; motor vehicle maintenance and repair; rental of construction equipment; mining extraction; upholstery repair; furniture maintenance.