Tool clamp for testing acceleration of piston rod of shock absorber

Abstract

The utility model discloses a work fixture for testing the acceleration of a piston rod of a shock absorber, which comprises an upper connecting bracket, a lower connecting base A and a lower connecting base B. The upper connecting bracket and the lower connecting base A are combined to form a fixture A, and the upper connecting bracket and the lower connecting base B are combined to form a fixture B; the upper connecting support comprises an equipment connecting piece of an arc-shaped structure, an equipment connecting hole is formed in the center of the equipment connecting piece, bases are arranged on the left side and the right side of the equipment connecting piece, and connecting holes are symmetrically formed in the bases. According to the utility model, the upper connecting bracket is connected with the testing machine, and the lower connecting base is matched with different shock absorbers for installation, so that the shock absorber testing device can be connected with the upper connecting bracket on the testing machine for testing, and the shock absorber testing device is suitable for most shock absorbers, thereby reducing the cost.

Description

Technical Field

[0001] The utility model relates to the technical field of shock absorbers, in particular to a tooling fixture for testing the acceleration of a shock absorber piston rod. Background Art

[0002] Shock absorbers are generally installed on cars to accelerate the attenuation of frame and body vibrations to improve the ride smoothness of the car. They are also used to suppress the impact of the road when passing through uneven roads, so as to achieve the purpose of improving the car's driving performance.

[0003] The purpose of the shock absorber piston rod acceleration test is to ensure that the designed shock absorber meets the requirements of comfort and low noise when driving on different road surfaces. However, the existing shock absorber piston rod acceleration test fixtures have poor versatility and cannot be applied to most shock absorbers. One shock absorber must be equipped with one fixture, which makes the cost high. Utility Model Content

[0004] The utility model aims to provide a tooling fixture for testing the acceleration of a shock absorber piston rod in view of the defects and shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a tooling fixture for testing the acceleration of the shock absorber piston rod, the innovation of which is: it includes an upper connecting bracket, a lower connecting base A and a lower connecting base B, the upper connecting bracket and the lower connecting base A are combined to form a fixture A, and the upper connecting bracket and the lower connecting base B are combined to form a fixture B; the upper connecting bracket includes an arc-shaped device connecting piece, the center of the device connecting piece is provided with a device connecting hole, the left and right sides of the device connecting piece are provided with bases, and the bases have connecting holes symmetrically provided thereon; the lower connecting base A includes a bottom plate, the center of the bottom plate is provided with a A reserved hole is provided, and a plurality of fixed installation holes A for connecting the shock absorber are provided around the reserved hole. A plurality of bracket connection holes A are also provided on the bottom plate, and the bracket connection holes A correspond to the connection holes; the lower connecting base B includes a base plate, a groove is provided on the base plate, a locking member is movably provided in the groove, the locking member and the base are fixedly connected by bolts, an arc groove is provided on the inner wall of the groove, the locking member also has an arc groove, and the two arc grooves are combined to form a fixed installation hole B for connecting the shock absorber, and a plurality of bracket connection holes B are also provided on the base plate, and the bracket connection holes B correspond to the connection holes.

[0006] Furthermore, wiring grooves are provided on the left and right sides of the reserved hole.

[0007] Furthermore, the locking piece is clearance-matched with the groove.

[0008] After adopting the above structure, the utility model has the following beneficial effects:

[0009] The utility model is connected with a testing machine through an upper connecting bracket, and different shock absorbers are installed in cooperation with the lower connecting base, so that the utility model can be connected with the upper connecting bracket on the testing machine for testing, and is suitable for most shock absorbers, thereby reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 A schematic diagram of the structure of the clamp A formed in the utility model;

[0011] Figure 2 A schematic diagram of the structure of the clamp B formed in the utility model;

[0012] Figure 3 It is a structural schematic diagram of the upper connecting bracket in the utility model;

[0013] Figure 4 This is a schematic diagram of the structure of the lower connecting base A in the utility model;

[0014] Figure 5 It is a structural schematic diagram of the lower connecting base B in the utility model.

[0015] Description of reference numerals:

[0016] 1 upper connecting bracket, 11 equipment connecting piece, 12 equipment connecting hole, 13 base, 14 connecting hole, 2 lower connecting base A, 21 bottom plate, 22 reserved hole, 23 fixed installation hole A, 24 bracket connecting hole A, 25 wiring groove, 3 lower connecting base B, 31 base, 32 groove, 33 locking piece, 34 fixed installation hole B, 35 bracket connecting hole B. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings.

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model and are not used to limit the utility model.

[0019] See also Figure 1-5A tooling fixture for testing the acceleration of a shock absorber piston rod comprises an upper connecting bracket 1, a lower connecting base A2 and a lower connecting base B3, wherein the upper connecting bracket 1 and the lower connecting base A2 are combined to form a fixture A, and the upper connecting bracket 1 and the lower connecting base B3 are combined to form a fixture B; the upper connecting bracket 1 comprises an arc-shaped device connecting member 11, wherein a device connecting hole 12 is provided at the center of the device connecting member 11, and bases 13 are arranged on the left and right sides of the device connecting member 11, and connecting holes 14 are symmetrically provided on the base 13; the lower connecting base A2 comprises a bottom plate 21, wherein a reserved hole 22 is provided at the center of the bottom plate 21, and a plurality of fixed installation holes A23 for connecting a shock absorber are provided around the reserved hole 22, and a plurality of bracket connecting holes A24 are also provided on the bottom plate 21, and the bracket connecting holes A24 correspond to the connecting holes 14; the lower connecting base B 3 includes a base plate 31, a groove 32 is formed on the base 31, a locking member 33 is movably arranged in the groove 32, the locking member 33 and the base plate 31 are fixedly connected by bolts, an arc groove is formed on the inner wall of the groove 32, the locking member 33 also has an arc groove, and the two arc grooves are combined to form a fixed installation hole B 34 for connecting the shock absorber, and a plurality of bracket connecting holes B 35 are also formed on the base plate 31, and the bracket connecting holes B 35 correspond to the connecting holes 14. Specifically, the lower connecting base A2 and the lower connecting base B3 are fixedly connected with different types of shock absorbers respectively, and can match most shock absorbers; the reserved hole 22 of the lower connecting base A2 is used to penetrate the top of the shock absorber, and the fixed installation hole A23 is fixed to the shock absorber with bolts, and then the bottom plate 21 is fixedly connected with the connection hole 14 through the bracket connection hole A24, and then fixedly connected with the MTS testing machine through the equipment connection hole 12; the fixed installation hole B34 of the lower connecting base B3 is used to fix the top of the shock absorber, and is fixed by the locking piece 33, and then the base plate 31 is fixedly connected with the connection hole 14 through the bracket connection hole B35, and then fixedly connected with the MTS testing machine through the equipment connection hole 12; the piston rod acceleration of the shock absorber can be tested.

[0020] In this embodiment, wiring grooves 25 are provided on the left and right sides of the reserved hole 22. The wiring grooves 25 are channels for arranging the acceleration sensor wires to avoid wire compression.

[0021] In this embodiment, the locking member 33 is loosely matched with the groove 32. The locking member 33 moves in the groove 32, the locking member 33 is provided with a locking hole, and the inner wall of the groove 32 is provided with a threaded hole, the locking hole and the threaded hole correspond to each other, and are fixed by bolts, so that the locking member 33 can fix the shock absorber.

[0022] The above description is only used to illustrate the technical solution of the utility model rather than to limit it. Other modifications or equivalent substitutions made to the technical solution of the utility model by ordinary technicians in this field should be included in the scope of the claims of the utility model as long as they do not depart from the spirit and scope of the technical solution of the utility model.

Claims

1. A fixture for testing the acceleration of a shock absorber piston rod, characterized in that: It includes an upper connecting bracket, a lower connecting base A and a lower connecting base B. The upper connecting bracket and the lower connecting base A are combined to form a clamp A, and the upper connecting bracket and the lower connecting base B are combined to form a clamp B; the upper connecting bracket includes an arc-shaped device connecting member, the center of the device connecting member is provided with a device connecting hole, bases are arranged on the left and right sides of the device connecting member, and the connecting holes are symmetrically arranged on the base; the lower connecting base A includes a bottom plate, the center of the bottom plate is provided with a reserved hole, the periphery of the reserved hole is provided with a plurality of fixed mounting holes A for connecting the shock absorber, and the bottom plate is also provided with a plurality of bracket connecting holes A, and the bracket connecting holes A correspond to the connecting holes; the lower connecting base B includes a base plate, the base plate is provided with a groove, a locking member is movably arranged in the groove, the locking member and the base plate are fixedly connected by bolts, the inner wall of the groove is provided with an arc groove, the locking member is also provided with an arc groove, and the two arc grooves are combined to form a fixed mounting hole B for connecting the shock absorber, and the base plate is also provided with a plurality of bracket connecting holes B, and the bracket connecting holes B correspond to the connecting holes.

2. A fixture for testing the acceleration of a shock absorber piston rod according to claim 1, characterized in that: Wiring grooves are provided on the left and right sides of the reserved hole.

3. A fixture for testing the acceleration of a shock absorber piston rod according to claim 1, characterized in that: The locking piece is clearance-matched with the groove.

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