CN-122029365-A - Assembly system for a vehicle axle device

Abstract

The invention relates to an assembly system (1), an operating tool (30), a vehicle and a method for using the assembly system (1). The assembly system (1) comprises a nut (10) and an operating element (20), wherein the nut (10) has a torque transmitting structure (12) and the operating element (20) has a torque transmitting mating structure (22). In particular, the nut (10) preferably has an operating region (14) on its outer circumference, wherein the nut (10) has a recess (16) extending in the longitudinal direction (L). In a first position relative to the operating element (20), the nut (10) is free to rotate, in particular about the longitudinal direction (L). In the second position of the nut (10), a torque transmission between the nut (10) and the actuating element (20), in particular around the longitudinal direction (L), can be achieved in a form-fitting manner between the torque transmission structure (12) and the torque transmission counterpart (22).

Inventors

• Rainer STEGMANN
• Andre Katsk

Assignees

• 塞夫霍兰德有限公司

Dates

Publication Date

20260512

Application Date

20241018

Priority Date

20231018

Claims (20)

1. 1. An assembly system (1) comprising a nut (10) and an operating element (20), Wherein the nut (10) has a torque transmission structure (12) and the operating element (20) has a torque transmission mating structure (22), Wherein, in particular, the nut (10) preferably has an operating region (14) on its outer circumference, Wherein the nut (10) has a recess (16) extending in a longitudinal direction (L), Wherein in a first position relative to the operating element (20), the nut (10) is free to rotate, in particular about the longitudinal direction (L), Wherein in a second position relative to the operating element (20), the nut (10) provides torque transmission between the torque transmission structure (12) and the torque transmission counterpart structure (22) in a form-fitting manner, in particular around the longitudinal direction (L).
2. 2. The assembly system (1) according to claim 1, wherein the nut (10) is designed in multiple pieces.
3. 3. The mounting system (1) according to any one of claims 1 or 2, wherein the torque transmitting structure (12) is preloaded by at least one spring (15), in particular preloaded in the longitudinal direction (L) and/or preloaded into the first position.
4. 4. The mounting system (1) according to any one of the preceding claims, wherein the torque transmitting structure (12) is displaceable in the longitudinal direction (L) to the second position or the first position.
5. 5. The assembly system (1) according to any one of the preceding claims, wherein the torque transmission structure (12) and the torque transmission counterpart structure (22) are each designed as complementary structures to each other, in particular as a toothing.
6. 6. The fitting system (1) according to any of the preceding claims, wherein the torque transmission structure (12) is arranged on at least one guiding element (18), wherein the guiding element is guided in a recess (16) of the nut (10).
7. 7. Assembly system (1) according to any of the preceding claims, in particular according to claim 6, wherein the guiding element (18) is designed to be in contact with an operating ring (19), in particular to be clamped, glued, welded, soldered or otherwise connected with the operating ring (19).
8. 8. The fitting system (1) according to any of the preceding claims, wherein the torque transmission structure (12) and/or the torque transmission counterpart structure (22) designed as a male structure are designed as engagement pins (17), and wherein the torque transmission counterpart structure (22) and/or the torque transmission structure (12) designed as a female structure are designed as complementary female holes, in particular through holes.
9. 9. The assembly system (1) according to any one of the preceding claims, in particular according to claim 8, wherein the holes of the torque transmission structure (12) or the torque transmission counterpart structure (22) designed as holes are arranged radially on the operating element (20) and/or the nut (10) at equal angular distances from each other around the longitudinal direction (L).
10. 10. The assembly system (1) according to any one of the preceding claims, in particular according to claim 8 or 9, wherein the engagement pin (17) has a toothing at a distal end, in particular along the longitudinal direction (L).
11. 11. The assembly system (1) according to any one of the preceding claims, in particular according to claims 8 to 10, wherein at least one of the engagement pins (17) has a head element (13) at one end, in particular being screwed, glued, welded, clamped, soldered or otherwise fastened.
12. 12. The assembly system (1) according to any one of the preceding claims, in particular according to claim 11, wherein the head element is of cylindrical or wing-like design and/or in particular forms a stop surface.
13. 13. The assembly system (1) according to any one of the preceding claims, in particular according to claims 8 to 12, wherein the engagement pins (17) are arranged in respective recesses in the nut, in particular in respective recesses in the nut body, wherein the recesses have a variable diameter in the longitudinal direction.
14. 14. The assembly system (1) according to any one of the preceding claims, in particular according to claims 8 to 13, wherein the engagement pin (17) has a variable diameter and/or is designed to be complementary to the recess.
15. 15. The fitting system (1) according to any of the preceding claims, in particular according to claims 8 to 14, wherein the displacement of the engagement pin (17) from the second position to the first position or from the first position to the second position is limited by a distal end position in the longitudinal direction (L).
16. 16. The fitting system (1) according to any of the preceding claims, wherein the operating element (20) has an eccentric outer structure and/or wherein the operating element (20) has a central bore (24) extending in the longitudinal direction (L).
17. 17. The fitting system (1) according to any of the preceding claims, wherein the operating element (20) has a first side and a second side, wherein the first side is in contact or contactable with the nut (10).
18. 18. The fitting system (1) according to any of the preceding claims, wherein the operating element (20) has an engagement structure (26) radially spaced from the central bore.
19. 19. An operating tool (30) designed to engage with a nut (10) of a fitting system (1) according to any one of claims 1 to 18, in particular in contact with an operating face (14) of the nut (10), wherein at least one adjusting element (32) is in contact with at least one displacement element (36), Wherein the adjusting element (32) is designed to effect a change in the position of the displacement element (36), Wherein the displacement element (36) can be brought into contact with the nut (10), in particular when the operating tool (30) grips the nut (10) from the periphery, Wherein the operating tool (30) has a coupling element (34) at the distal end.
20. 20. The operating tool (30) according to claim 19, wherein the operating tool (30) is made of a metallic material, preferably a ferrous alloy, more preferably comprising steel.

Description

Assembly system for a vehicle axle device Technical Field The present invention relates to an assembly system, in particular for an axle device of a vehicle. Background In order to adjust the tread of a vehicle (e.g. a car, truck or trailer), separate bolts are often used to fasten the chassis parts, which bolts can be displaced in relation to the rest of the vehicle chassis or in relation to the frame when tightening the chassis parts. An eccentric disc is arranged on the head of the adjustable bolt. Depending on the angular position of the disc, it is possible to achieve a continuous and extremely fine displacement of the chassis component in several angular courses or units of length. Thus, for example, the toe-in or toe-out of the wheel, or the alignment of the rigid axle, can be adjusted, so that optimum and intended driving dynamics can be provided. This method is increasingly used in particular for trailers, since it is particularly simple and inexpensive to use. There are also adjustment devices in which the bolt and eccentric disc are separate but co-operate. Such split designs are commonly used in commercial vehicles and trailers where higher load situations can be tolerated. The assembly or adjustment is usually carried out in two steps. In a first step, the chucking plate is moved to a proper adjustment position using a first tool according to chassis kinematics requirements. In a second step, the nut is locked onto the bolt against the eccentric disc using a second tool in order to fix the chassis or the corresponding chassis part in the previously set position. However, this assembly process is complicated and time consuming, because the relative position of the clamping discs can change while the nut is being tightened, and furthermore, the required tools have to be replaced. This in turn can lead to inefficiency in the process during assembly. Disclosure of Invention The object of the present invention is to provide a simple and particularly efficient device. This object is achieved by a device having the features of claim 1, claim 19, claim 21 and a method according to claim 22. Other advantages, embodiments or features may be derived from the description, the drawings and/or the dependent claims. According to one aspect of the invention, a fitting system is provided, comprising a nut and an operating element, wherein the nut has a torque transmission structure and the operating element has a torque transmission counterpart, wherein, in particular, the nut preferably has an operating region on its outer circumference, wherein the nut has a recess extending in a longitudinal direction, wherein, in a first position relative to the operating element, the nut is free to rotate, in particular around the longitudinal direction, wherein, in a second position, between the nut and the operating element, a torque transmission can be provided in a form-fitting manner between the torque transmission structure and the torque transmission counterpart, in particular around the longitudinal direction. The claimed device has one of the advantages that the alignment of the operating element and the tightening of the nut can be synchronized in one operating mode by means of a form-fitting connection, so that a precise adjustment is achieved, and in the other mode, the nut can be tightened in particular. In a preferred embodiment, the assembly system may consist of a nut and an operating element, wherein the assembly system may also comprise other and/or additional components. The nut is preferably made of a metallic material, in particular the nut may comprise preferably quenched, in particular tempered, steel to withstand the load as much as possible. The nut may in particular be integrally formed. In other words, the nut may be formed from a single piece. This allows particularly simple assembly. Furthermore, the longitudinal direction may extend along the thread (in particular the internal thread) of the nut, advantageously such that the longitudinal direction in particular passes through the centre of the nut and/or the centre axis of the thread is located in the longitudinal direction. The recess of the nut extends in the longitudinal direction, wherein the recess extends completely through the nut in particular in the longitudinal direction. Preferably, the internal thread is formed in the recess. The recess is for receiving a bolt. The nut may have one or said internal threads so that the nut may be screwed onto one or said bolts. In this case, metric threads (e.g., M6 to M22) are advantageous. Various load requirements can be met by different dimensions or material thicknesses. In addition, the internal thread of the nut may also be of other thread types, such as trapezoidal thread, zigzag thread, cylindrical thread or flat thread, wherein the internal thread is not limited to the thread types described. The nut has an operating region which may in particular form part of the outer contour of the nu