Universal clamp for vibration test of automobile parts

Abstract

The utility model relates to the technical field of automobile part detection, in particular to a universal clamp for an automobile part vibration test, which comprises a mounting table, a work piece to be tested is arranged above the mounting table, and adjusting telescopic rods are arranged at the top end of the outer wall of the mounting table and located on the two sides of the work piece. The top ends of the outer walls of the adjusting telescopic rods are all connected with fixing clamps used for clamping and fixing workpieces. According to the clamping device, personnel can select the arc-shaped blocks or the strip-shaped plates to clamp and fix connecting pieces of round rod pieces or square rod pieces according to requirements; and through the arranged puller bolts, the arc-shaped blocks or the strip-shaped plates can be used for clamping and fixing the connecting pieces with more sizes, so that the investment of a clamp can be reduced in a factory, and personnel can use the clamp more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts detection, in particular to a universal clamp for automobile parts vibration test. Background Art

[0002] The vibration test of automobile parts is a test method used to evaluate the performance and reliability of automobile parts in a vibration environment. During the operation of the car, automobile parts will be subjected to various vibration loads from the engine, uneven roads, driving speed, etc. Therefore, vibration testing of parts can simulate the actual working environment and evaluate the durability and stability of parts.

[0003] In automobile chassis parts, personnel often need to perform vibration detection on the connectors in the chassis components to ensure the stability of the connection after vibration. The chassis connectors are mostly divided into round rods and square rods, which often require different clamps to fix. Personnel also need to customize and select according to the size of the connector. However, the different sizes of connectors will cause the clamps to be re-customized, which will increase factory costs. Therefore, there are certain shortcomings.

[0004] In summary, it is necessary to invent a universal fixture for vibration testing of automotive parts. Utility Model Content

[0005] To this end, the utility model provides a universal fixture for vibration testing of automobile parts to solve the problem that personnel need to make specific customized selections according to the size of the connecting parts, but the different sizes of the connecting parts will cause the fixture to be re-customized, thereby increasing factory costs.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a universal fixture for vibration testing of automobile parts, comprising a mounting table, a workpiece to be tested is arranged above the mounting table, and adjustable telescopic rods are arranged on the top of the outer wall of the mounting table and on both sides of the workpiece, and the top of the outer wall of the adjustable telescopic rod is connected to a fixing fixture for clamping and fixing the workpiece.

[0007] Preferably, a fixed mounting plate is fixed to the bottom end of the outer wall of the adjustable telescopic rod, a plurality of wedge-shaped mounting grooves are provided at the top end of the outer wall of the mounting platform, a wedge-shaped block is provided at the bottom end of the outer wall of the fixed mounting plate and at the position corresponding to the wedge-shaped mounting groove, and the wedge blocks are slidably connected to the wedge-shaped mounting groove.

[0008] Preferably, screw holes are provided at the top of the outer wall of the mounting platform and at the front and rear sides of the wedge-shaped mounting groove, and the multiple screw holes are evenly arranged in a strip array, and the front and rear sides of the top of the outer wall of the fixed mounting plate are fixedly connected to the screw holes by screws.

[0009] Preferably, a hinged seat is hinged at the top end of the outer wall of the adjustable telescopic rod, and the fixing fixture includes an annular plate, two of the annular plates are fixed at one end of the hinged seat away from the adjustable telescopic rod, and a fixing plate is fixed to the outer wall on the opposite side of the annular plate, and the four fixing plates are evenly arranged in a circular array.

[0010] Preferably, the outer wall of the annular plate and the inner wall of the fixed plate are provided with strip grooves, the interior of the strip grooves are slidably connected with sliders, the inner wall of the sliders and the inner wall of the strip grooves are fixed with mounting bolts, and the upper ends of the mounting bolts pass through the strip grooves and extend to the outer wall of the annular plate.

[0011] Preferably, the outer walls of the mounting bolts are threadedly connected with arc blocks and strip plates, the outer walls of the fixing plates are provided with locking screw holes at positions corresponding to the strip grooves, and the inner walls of the locking screw holes are threadedly connected with tightening bolts for tightening.

[0012] Preferably, both ends of the outer wall of the strip plate are provided with through holes, the inner walls of the through holes are slidably connected with side clamping blocks, and the outer walls of the side clamping blocks are provided with positioning holes.

[0013] Preferably, positioning bolts are fixed on both sides of the outer wall of the strip plate and at positions corresponding to the through holes, and the insertion ends of the positioning bolts are plugged into the inner wall of the through hole.

[0014] The beneficial effects of the utility model are:

[0015] In the utility model, personnel can select arc blocks or strip plates to clamp and fix the connecting parts of round rods or square rods according to their needs, and the set tightening bolts can enable the arc blocks or strip plates to clamp and fix connecting parts of more sizes, so that the factory can reduce the investment in clamps, making it more convenient for personnel to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the external structure of the utility model in the front view direction;

[0017] Figure 2 It is a schematic diagram of a part of the structure of the installation platform in the utility model when viewed from above;

[0018] Figure 3 It is a schematic diagram of a part of the structure of the annular plate in the utility model when viewed from the side;

[0019] Figure 4 For this utility model Figure 3 Schematic diagram of the structure after the arc block is installed;

[0020] Figure 5 Practical Figure 3 Schematic diagram of the structure after the strip board is installed;

[0021] Figure 6 It is a partial cross-sectional structural schematic diagram of the strip plate and the side clamping block in the utility model;

[0022] Figure 7 It is a three-dimensional structural schematic diagram of the hinge seat and the annular plate in the utility model.

[0023] In the figure: 100, mounting table; 101, wedge-shaped mounting groove; 110, adjustable telescopic rod; 111, fixed mounting plate; 200, hinged seat; 210, annular plate; 220, fixed plate; 230, tightening bolt; 240, arc block; 250, mounting bolt; 251, strip groove; 260, strip plate; 261, side clamping block. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] See attached Figure 1-7 The utility model provides a universal fixture for vibration testing of automobile parts, including a mounting platform 100, a workpiece to be tested is arranged above the mounting platform 100, and adjustable telescopic rods 110 are arranged at the top of the outer wall of the mounting platform 100 and on both sides of the workpiece, and fixed mounting plates 111 are fixed to the bottom ends of the outer walls of the adjustable telescopic rods 110, and a plurality of wedge-shaped mounting grooves 101 are provided at the top of the outer wall of the mounting platform 100, and wedge blocks are provided at the bottom ends of the outer walls of the fixed mounting plates 111 and at positions corresponding to the wedge-shaped mounting grooves 101, and the wedge blocks are slidably connected to the wedge-shaped mounting grooves 101, and the wedge-shaped mounting grooves 101 are provided for being installed at the top of the outer wall of the mounting platform 100 through the wedge blocks, and personnel can adjust the wedge-shaped mounting grooves 101 according to their needs. The adjustable telescopic rod 110 is installed at more positions on the top of the outer wall of the mounting platform 100. The top of the outer wall of the mounting platform 100 and the front and rear sides of the wedge-shaped mounting groove 101 are provided with screw holes, and the multiple screw holes are evenly arranged in a strip array. The front and rear sides of the top of the outer wall of the fixed mounting plate 111 are fixedly connected with the screw holes by screws. After moving the fixed mounting plate 111, the personnel can tighten the screws to fix them with the corresponding screw holes, so that the fixed mounting plate 111 can be fixed to the top of the outer wall of the mounting platform 100. The adjustable telescopic rod 110 includes a sleeve rod and a slide rod, and the sleeve rod and the slide rod can be adjusted by a positioning pin, so that the height of the adjustable telescopic rod 110 can be adjusted.

[0026] The top of the outer wall of the adjustable telescopic rod 110 is connected to a fixing fixture for clamping and fixing the workpiece. The top of the outer wall of the adjustable telescopic rod 110 is hinged with an articulated seat 200, and the top of the outer wall of the adjustable telescopic rod 110 is provided with a concave groove, and the articulated seat 200 can rotate in the concave groove. At the same time, a locking nut can be installed at the rear end of the outer wall of the adjustable telescopic rod 110, so that the rotation angle direction of the articulated seat 200 can be fixed. The fixing fixture includes an annular plate 210, and the two annular plates 210 are fixed to one end of the articulated seat 200 away from the adjustable telescopic rod 110, and the outer wall of the opposite side of the annular plate 210 is fixed with a fixing The fixed plate 220, the four fixed plates 220 are evenly arranged in a circular array, the outer wall of the annular plate 210 and the inner wall of the fixed plate 220 are provided with a strip groove 251, the inside of the strip groove 251 is slidably connected with a slider, the inner wall of the slider and the inner wall of the strip groove 251 are fixed with mounting bolts 250, the upper ends of the mounting bolts 250 pass through the strip groove 251 and extend to the outer wall of the annular plate 210, specifically, the provided slider can slide on the inner wall of the strip groove 251, and the provided mounting bolts 250 are provided to facilitate personnel to install the arc block 240 or the strip plate 260 according to needs;

[0027] The outer wall of the mounting bolt 250 is threadedly connected with an arc block 240 and a strip plate 260, and the four arc blocks 240 are mainly used to clamp and fix the circular rods, and the strip plate 260 is used to clamp and fix the square rods. The arc blocks 240 and the strip plates 260 are provided with screw holes at the positions corresponding to the mounting bolts 250, so that the arc blocks 240 and the strip plates 260 can be installed on the outer wall of the mounting bolts 250 through the screw holes, so that the arc blocks 240 and the strip plates 260 can slide on the inner wall of the strip groove 251 through the mounting bolts 250 and the slider, and the outer wall of the fixing plate 220 and the positions corresponding to the strip groove 251 are provided with locking screw holes, and the inner walls of the locking screw holes are threaded. The thread is connected with a tightening bolt 230 for tightening, and the personnel can rotate the tightening bolt 230 to install it on the outer wall of the fixed plate 220 through the locking screw hole, and make the end of the tightening bolt 230 tighten the outer walls of the arc block 240 and the strip plate 260. Through holes are opened at both ends of the outer wall of the strip plate 260, and the inner walls of the through holes are slidably connected with side clamping blocks 261. The outer walls of the side clamping blocks 261 begin to have positioning holes, and positioning bolts are fixed on both sides of the outer wall of the strip plate 260 and at positions corresponding to the through holes. The insertion ends of the positioning bolts are plugged into the inner walls of the through holes. The set side clamping blocks 261 can slide on both sides of the outer wall of the strip plate 260, and the side clamping blocks 261 can be fixed by the set positioning bolts and through holes.

[0028] The use process of the utility model is as follows: First, the personnel can first determine the chassis connection piece that needs to be tested, and then select the corresponding arc block 240 or strip plate 260 according to the shape of the connection piece, and then rotate the arc block 240 or strip plate 260 to the outer wall of the mounting bolt 250, and then the personnel can slide the bottom end of the adjustable telescopic rod 110 to the top of the mounting platform 100 through the fixed mounting plate 111, and then fix the fixed mounting plate 111 to the top of the mounting platform 100 through the screws and the screw holes on the mounting platform 100. After completion, the personnel can press the two ends of the connection piece against the center of the outer wall of the annular plate 210. Then, the personnel can take out the tightening bolt 230 and thread the tightening bolt 230 to the outer wall of the fixing plate 220, so that the tightening bolt 230 presses the arc block 240 to clamp and fix the two ends of the connecting piece. When it is necessary to clamp the square rod, the personnel can unscrew the positioning bolt to adjust the position of the side clamping block 261 so that the side clamping block 261 can clamp the side wall of the square rod. After the adjustment is completed, the positioning bolt is inserted into the corresponding through hole for fixing. Then the personnel can screw the tightening bolt 230 so that the strip plate 260 cooperates with the side clamping block 261 to clamp and fix the outer wall end of the square rod;

[0029] At the same time, the personnel can adjust the angle of the hinge seat 200 and the annular plate 210 by loosening the nut. When the fixation is completed, the personnel can place the mounting platform 100 on the vibration detection device, and then use the vibration detection device to apply pressure and vibration to the mounting platform 100, so as to perform vibration detection on the connecting parts.

[0030] The above is only a preferred embodiment of the utility model. Any person skilled in the art may modify the utility model by using the above technical solution or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement based on the technical solution of the utility model shall fall within the scope of protection claimed by the utility model.

Claims

1. A universal fixture for vibration testing of automobile parts, comprising a mounting platform (100), a workpiece to be tested being arranged above the mounting platform (100), characterized in that: Adjustable telescopic rods (110) are provided at the top of the outer wall of the mounting platform (100) and on both sides of the workpiece, and the top of the outer wall of the adjustable telescopic rods (110) is connected to a fixing fixture for clamping and fixing the workpiece.

2. The universal fixture for vibration testing of automobile parts according to claim 1, characterized in that: A fixed mounting plate (111) is fixed to the bottom end of the outer wall of the adjustable telescopic rod (110), a plurality of wedge-shaped mounting grooves (101) are provided at the top end of the outer wall of the mounting platform (100), and wedge-shaped blocks are provided at the bottom end of the outer wall of the fixed mounting plate (111) and at positions corresponding to the wedge-shaped mounting grooves (101), and the wedge-shaped blocks are slidably connected to the wedge-shaped mounting grooves (101).

3. The universal fixture for automobile parts vibration test according to claim 2, characterized in that: The top of the outer wall of the mounting platform (100) and the front and rear sides of the wedge-shaped mounting groove (101) are provided with screw holes, and the plurality of screw holes are evenly arranged in a strip array, and the front and rear sides of the top of the outer wall of the fixed mounting plate (111) are fixedly connected to the screw holes by screws.

4. The universal fixture for vibration testing of automobile parts according to claim 1, characterized in that: The top end of the outer wall of the adjustable telescopic rod (110) is hingedly connected to a hinge seat (200); the fixing fixture comprises an annular plate (210); two annular plates (210) are fixed to one end of the hinge seat (200) away from the adjustable telescopic rod (110); a fixing plate (220) is fixed to the outer wall on the opposite side of the annular plate (210); and the four fixing plates (220) are evenly arranged in an annular array.

5. The universal fixture for automobile parts vibration test according to claim 4, characterized in that: The outer wall of the annular plate (210) and the inner wall of the fixed plate (220) are both provided with a strip groove (251), the interior of the strip groove (251) is slidably connected with a slider, the inner wall of the slider and the inner wall of the strip groove (251) are both fixed with mounting bolts (250), and the upper ends of the mounting bolts (250) pass through the strip groove (251) and extend to the outer wall of the annular plate (210).

6. The universal fixture for automobile parts vibration test according to claim 5, characterized in that: The outer wall of the mounting bolt (250) is threadedly connected with an arc block (240) and a strip plate (260), the outer wall of the fixing plate (220) is provided with a locking screw hole at a position corresponding to the strip groove (251), and the inner wall of the locking screw hole is threadedly connected with a tightening bolt (230) for tightening.

7. The universal fixture for automobile parts vibration test according to claim 6, characterized in that: Through holes are provided at both ends of the outer wall of the strip plate (260), the inner walls of the through holes are slidably connected with side clamping blocks (261), and the outer walls of the side clamping blocks (261) are provided with positioning holes.

8. The universal fixture for automobile parts vibration test according to claim 7, characterized in that: Positioning bolts are fixed on both sides of the outer wall of the strip plate (260) and at positions corresponding to the through holes, and the insertion ends of the positioning bolts are plugged into the inner wall of the through hole.

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