An arrangement is for securing a nut on a threaded bolt comprising a bolt shaft projecting from a bolt head and being provided, in an opposite end portion, with a first threaded portion arranged to engage with an internal threaded portion of the nut. The nut and the bolt head are arranged to abut against adjacent elements. A nut-locking element is provided with a threaded portion arranged to engage with a second threaded portion of the threaded bolt. The second threaded portion is arranged externally on a stepped end portion of the threaded bolt and is concentric with and having a smaller pitch than the first threaded portion. The nut-locking element is provided with a friction portion arranged to rest supportingly against a corresponding friction portion on the nut.
F16B 39/36 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par organes particuliers portés par l'écrou ou le boulon ou par la forme particulière de ceux-ci avec parties coniques de blocage, pouvant être fendues, y compris les bagues séparées utilisées avec ces parties
An arrangement is described, for securing a nut (2) on a threaded bolt (1) comprising a bolt shaft (12) projecting from a bolt head (11) and being provided, in an opposite end portion (121), with a first threaded portion (122) arranged to engage with an internal threaded portion (21) of the nut (2), the nut (2) and the bolt head (11) being arranged to abut against adjacent elements (4, 4a), where a nut-locking element (3) is provided with a threaded portion (33) arranged to engage with a second threaded portion (123) of the threaded bolt (1), the second threaded portion (123) being ar- ranged externally on a stepped end portion (121) of the threaded bolt (1) and being concentric with and having a smaller pitch than the first threaded portion (122), and the nut-locking element (3) being provided with a friction portion (31) arranged to rest supportingly against a corresponding friction portion (24) on the nut (2).
F16B 39/36 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par organes particuliers portés par l'écrou ou le boulon ou par la forme particulière de ceux-ci avec parties coniques de blocage, pouvant être fendues, y compris les bagues séparées utilisées avec ces parties
5.
PIN BOLT PROVIDED WITH EQUIPMENT FOR STRESS REGISTRATION
A pivot bolt (1) comprising a shaft (11) provided with conical end portions (111,112) and a middle portion (113), internally conical, radially expandable clamping sleeves (12) which are axially displaceable on the conical end portions (111, 112) of the shaft (11), the pivot bolt (1) being arranged to be clamped in first and second bores (21, 22) in a first element (2) by the axial displacement of the clamping sleeves (12) on the conical end portions (111, 112), and the middle portion (113) being arranged to form a pivotable support for a second element (3), the shaft (11) being provided with a cut-out (114) arranged centrically, and a groove (1131) arranged on the periphery of the middle portion (113) near each of the conical end portions (111,112), wherein at least a groove side face (1131c) facing the respective conical end portion (111, 112) lies at a distance from the first or the second bore (21, 22), so that the part of the middle portion (113) of the shaft (11) that lies between the grooves (1131) will not get into touch with said first and second bores (21, 22); and there being, attached within each groove (1131) and on a wall (1141) in the cut-out (114), at least one measuring element (16) adapted for registering a change in a material tension in the wall (1141), and the at least one measuring element (16) being connected in a signal- communicating manner to a control unit (4).
G01L 5/00 - Appareils ou procédés pour la mesure des forces, du travail, de la puissance mécanique ou du couple, spécialement adaptés à des fins spécifiques
G01L 1/22 - Mesure des forces ou des contraintes, en général en mesurant les variations de la résistance ohmique des matériaux solides ou des fluides conducteurs de l'électricitéMesure des forces ou des contraintes, en général en faisant usage des cellules électrocinétiques, c.-à-d. des cellules contenant un liquide, dans lesquelles un potentiel électrique est produit ou modifié par l'application d'une contrainte en utilisant des jauges de contrainte à résistance
6.
PIN ASSEMBLY FOR AXIAL AND RADIAL TENSIONING OF ELEMENTS JOINED BY SCREWS
A pin assembly (1) with a pin head (12) and a nut (13) provided with conical circum- ferential surfaces (121, 131) falling towards first, outward -facing end faces (122, 132) on the pin head (12) and the nut (13); internally conical, radially expandable bearing sleeves (15) which are axially displaceable on the pin head (12) and the nut (13) and are provided with cylindrical, external sleeve surfaces (152), at least one of the pin head (12) and the nut (13) being provided with a set of first threaded holes (124, 134) and a set of second threaded holes (125, 135); a set of first clamping bolts (14) being arranged in the first threaded holes (124, 134); clamping plates (16) being ar- ranged to rest against an end face (154) on each of the bearing sleeves (15), as sets of second clamping bolts (17) extend through the clamping plates (16) and into the sets of second threaded holes (125, 135) of the pin head (12) and the nut (13), re- spectively. A flange joint provided by the pin assembly (1) is described as well.
F16B 31/04 - Assemblages à vis spécialement modifiés en vue de résister à une charge de tractionBoulons de rupture maintenant constante la charge de traction
F16B 39/02 - Blocage des vis, boulons ou écrous dans lequel le verrouillage s'effectue après vissage
A device for mounting and dismantling a first bearing collar (2) on a conical first end portion (1 1) of a pin bolt (1) arranged for the articulated connection of two elements (7, 8), the pin bolt (1) extending through corresponding supporting bores (71, 72, 81) in the elements (7, 8), and a bolt (4), which extends through a pin-bolt bore (13) in the pin bolt (1), being provided, in a first end portion (41), with an end plate (41 1 ) which is arranged to rest against an external end face (23) of the first bearing collar (2), and being provided, in a second end portion (42), with an engagement portion (421) for a spanner for rotating the bolt (4), characterized by the first end portion of the bolt (4) including a first threaded portion (413) arranged to engage, by rotation of the bolt (4), with a threaded portion (131) of the pin-bolt bore (13) of the pin bolt (1) arranged at the conical first end portion (1 1) of the pin bolt (1).
An arrangement for locking a nut (3) on a pin bolt (1), the nut (3) being arranged to abut against an end face (21) of a bearing collar (2) arranged on a conical portion (11) of the pin bolt (1), and the nut (3) being in engagement with a first threaded portion (121) of the pin bolt (1), and a nut-locking element (4) being provided with a threaded portion (43) arranged to engage with a second threaded portion (122) of the pin bolt (1), the second threaded portion (122) being concentric with and having a smaller thread pitch than the first threaded portion (121), and the nut-locking element (4) being provided with a friction portion (41) arranged to rest supportingly against the nut (3).
F16B 39/16 - Blocage des vis, boulons ou écrous dans lequel le verrouillage s'effectue après vissage par écrous de blocage, c.-à-d. contre-écrous le filetage du contre-écrou étant différent de celui de l'écrou de serrage
F16B 39/22 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage
F16B 39/24 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par rondelles, rondelles à ressort ou plaques élastiques qui bloquent contre l'objet
F16B 39/36 - Blocage des vis, boulons ou écrous dans lequel le verrouillage se fait en même temps que le vissage ou le serrage par organes particuliers portés par l'écrou ou le boulon ou par la forme particulière de ceux-ci avec parties coniques de blocage, pouvant être fendues, y compris les bagues séparées utilisées avec ces parties
F16B 41/00 - Dispositions contre la perte des boulons, écrous, broches ou goupillesDispositions empêchant toute action non autorisée sur les boulons, écrous, broches ou goupilles
A device for a clamping bolt comprising a shaft for interconnection of a first body and a second body, wherein the first body is provided with a first bore and the second body is provided with a second bore, the clamping bolt extending within the bores, and wherein the clamping bolt is provided with an internally conical first clamping sleeve which is located, at least partially, within the first bore, and wherein the first clamping sleeve, by moving it in the longitudinal direction of the shaft, is structured so as to be able to be clamped against the first body, and wherein the clamping bolt is provided with an internally conical second clamping sleeve which is located, at least partially, within the second bore, and which is structured so as to be able to be clamped against the second body by moving it in the longitudinal direction of the shaft, the first clamping sleeve encircling the second clamping sleeve.
