CN219475160U

CN219475160U - Stabilizer bar tensile testing device

Info

Publication number: CN219475160U
Application number: CN202320155948.9U
Authority: CN
Inventors: 岳捐; 曹华彬
Original assignee: Chengdu Heyi Youpin Auto Parts Co ltd
Current assignee: Chengdu Heyi Youpin Auto Parts Co ltd
Priority date: 2023-01-17
Filing date: 2023-01-17
Publication date: 2023-08-04
Anticipated expiration: 2033-01-17

Abstract

The utility model discloses a stabilizer bar tension testing device which comprises a testing clamp assembly, a delay relay and a fixed platform, wherein the testing clamp assembly is arranged on the fixed platform and comprises a cylinder, a movable testing clamp and a fixed testing clamp, the cylinder is controlled by the delay relay, and the cylinder comprises a piston rod; one end of the movable test fixture is connected with the piston rod, and the other end of the movable test fixture is provided with a movable notch matched with the ball pin of the stabilizer bar; a fixed test fixture is arranged in the direction of the extension line of the movable notch, the fixed test fixture is provided with a fixed notch, and the movable notch corresponds to the fixed notch in a matching way; the device controls the distance between the movable test fixture and the fixed test fixture through the air cylinder, applies stable horizontal pulling-out force to the stabilizer bar placed between the movable test fixture and the fixed test fixture, and can effectively test the welding strength of the ball pin bush of the stabilizer bar.

Description

Stabilizer bar tensile testing device

Technical Field

The utility model belongs to the technical field of automobile part detection, and particularly relates to a stabilizer bar tension testing device.

Background

The stabilizer bar component is used for keeping the stability of the vehicle body when the vehicle runs on a rugged road, and can be impacted by compound force in all directions when the stabilizer bar works normally. The stabilizer bar ball pin sleeve is used as a main connecting mechanism of the stabilizer bar and other parts, so that the requirement on the pulling-out resistance of the stabilizer bar ball pin sleeve is high. Generally, a butt-welding machine is adopted to weld the ball pin bush at two ends of the stabilizer bar connecting rod, and when the voltage of the commercial power is unstable, the butt-welding machine is influenced by current fluctuation, so that the stability of welding is influenced. Therefore, it is necessary to strictly detect the welding condition and durability of the stabilizer bar ball pin bush. The stabilizer bar tensile test equipment at present is fixed stabilizer bar and test equipment to carry out the stabilizer bar life test of low strength high frequency generally, and test strength is lower, can't carry out the accurate test of pertinence to ball pin sleeve welding strength, and it needs loaded down with trivial details operation to change the stabilizer bar moreover, and test efficiency is not high.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the stabilizer bar tension testing device which is used for testing the welding strength of the stabilizer bar ball pin bush in a targeted manner, and is high in testing efficiency, testing precision and reliability.

The technical scheme adopted by the utility model is as follows:

the stabilizer bar tension testing device comprises a testing fixture assembly, a time delay relay and a fixed platform, wherein the testing fixture assembly is arranged on the fixed platform and comprises a cylinder, a movable testing fixture and a fixed testing fixture, the cylinder is controlled by the time delay relay and comprises a piston rod; one end of the movable test fixture is connected with the piston rod, and the other end of the movable test fixture is provided with a movable notch matched with the ball pin of the stabilizer bar; the fixed test fixture is arranged in the direction of the extension line of the movable notch, and is provided with a fixed notch, and the movable notch corresponds to the fixed notch in a matching way. When the device is used, the stabilizer bar is placed in the test fixture assembly, one ball pin sleeve at two ends of the stabilizer bar is placed in the movable notch, the other ball pin sleeve at two ends of the stabilizer bar is placed in the fixed notch, the delay relay is pressed down, the delay relay sends a trigger signal to control the cylinder to work, so that the piston rod moves, the movable test fixture is controlled to move along the direction away from the fixed test fixture, the distance between the movable notch and the fixed notch is increased, and radial tension separating from the stabilizer bar is applied to the ball pin sleeves at two ends of the stabilizer bar. If the welding strength of the ball pin sleeve is insufficient, cracks can appear at the welding position of the ball pin sleeve and the stabilizer bar, and the ball pin sleeve can fall off from the stabilizer bar when serious. When the test is carried out, the two conditions prove that the pulling-out resistance of the stabilizer bar ball pin sleeve does not meet the use requirement, and the stabilizer bar ball pin sleeve is reworked or scrapped.

Further, the movable test fixture is also connected with a sliding base, and a threaded through hole for connecting a piston rod is formed in the sliding base; the sliding base is also provided with a groove matched with the sliding rail. When the piston rod moves, the sliding base is driven to move through the threaded through hole on the sliding base, so that the accuracy of the moving direction of the piston rod is ensured. Meanwhile, the movement track of the movable test fixture is limited through the sliding track, so that the accuracy of the test stress direction of the ball pin sleeve is improved.

Further, the threaded holes are formed in the sliding base, the threaded holes in the side faces of the movable test clamp are matched with bolts to enable the sliding base to be fixed with the movable test clamp, the sliding base and the movable test clamp are tightly fixed together, and stability of the movable test clamp in the test process is improved.

Further, the fixed test fixture is also connected with a fixed base, and the gaps of the fixed test fixture and the movable test fixture are kept at the same horizontal height through the fixed base, so that the ball pin sleeve is stably stressed in the test process of the stabilizer bar, and the stabilizer bar is prevented from being damaged in the test process.

Further, the fixed base is fixedly connected with the fixed platform, and the fixed base is used for placing the fixed test fixture, so that the stability of the fixed test fixture in the test process is ensured.

Further, the fixed base is provided with a fixed hole, and the fixed hole is matched with a plurality of positioning holes on the fixed platform. The fixed base is fixed with the fixed platform by means of bolts or screws. Through being fixed in different locating holes with the fixed base, can adjust the distance between fixed test fixture and the movable test fixture to the stabilizer bar of adaptation different length tests.

Further, one end of the air cylinder is provided with a first fixing piece, the other end of the air cylinder is provided with a second fixing piece, the first fixing piece and the second fixing piece are components with L-shaped side faces, the horizontal plane of the first fixing piece and the second fixing piece are connected with the fixing platform, and the vertical plane of the first fixing piece and the second fixing piece are connected with the air cylinder. The first fixing piece and the second fixing piece are used for fixing the air cylinder and the fixing platform, so that the working state of the air cylinder in the testing process is stable, and the influence of the working vibration of the air cylinder on the testing is reduced.

Further, set up two at least test fixture assemblies on the fixed platform, through setting up a plurality of test fixture assemblies, can test a plurality of stabilizer bars simultaneously, improved stabilizer bar ball pin sleeve welded state's test efficiency.

As a preferred embodiment of the present utility model,

the beneficial effects of the utility model are as follows:

1. according to the utility model, the distance between the movable test clamp and the fixed test clamp is controlled through the air cylinder, and a stable horizontal pulling-out force is applied to the stabilizer bar arranged between the movable test clamp and the fixed test clamp, so that the welding strength of the ball pin bush of the stabilizer bar can be effectively tested.

2. According to the utility model, the delayed trigger signal is sent out by the delay relay, so that the safety of testers in the test process is ensured, meanwhile, the trigger signal can be adjusted according to the requirement, and the welding strength or welding durability of the stabilizer bar ball pin sleeve can be tested.

3. The utility model can adjust part of the components of the test fixture component, has high test efficiency, wide application range and high test precision and reliability.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a cross-sectional view of a movable test fixture in accordance with one embodiment of the present utility model.

FIG. 3 is a top view of a movable test fixture in accordance with one embodiment of the present utility model.

FIG. 4 is a cross-sectional view of a movable test fixture in accordance with another embodiment of the present utility model.

FIG. 5 is a top view of a movable test fixture in accordance with another embodiment of the present utility model.

FIG. 6 is a cross-sectional view of a fixture test fixture in accordance with one embodiment of the present utility model.

FIG. 7 is a top view of a fixture test fixture in one embodiment of the utility model.

FIG. 8 is a cross-sectional view of a fixture test fixture in accordance with another embodiment of the present utility model.

FIG. 9 is a top view of a fixture test fixture in accordance with another embodiment of the present utility model.

FIG. 10 is a cross-sectional view of a stationary base in an embodiment of the utility model.

FIG. 11 is a top view of a stationary base in an embodiment of the utility model.

Fig. 12 is a cross-sectional view of a first fastener in an embodiment of the present utility model.

Fig. 13 is a side view of a second fastener in an embodiment of the present utility model.

In the figure: 1. a piston rod; 2. a movable test fixture; 3. fixing a test fixture; 4. a slide base; 5. a fixed base; 6. a fixed platform; 7. a cylinder; 8. a first fixing member; 9. a second fixing member; 10. a sliding rail; 21. a movable notch; 31. and fixing the notch.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The clamps of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

As shown in fig. 1, in this embodiment, a stabilizer bar tension testing device includes a testing fixture assembly, a delay relay, and a fixed platform 6, where the testing fixture assembly is disposed on the fixed platform 6, the testing fixture assembly includes a cylinder 7, a movable testing fixture 2, and a fixed testing fixture 3, the cylinder 7 is controlled by the delay relay, and the cylinder 7 includes a piston rod 1; one end of the movable test fixture 2 is connected with the piston rod 1, and the other end is provided with a movable notch 21 matched with the ball pin of the stabilizer bar; the fixed test fixture 3 is arranged in the direction of the extension line of the movable notch 21, the fixed test fixture 3 is provided with a fixed notch 31, and the movable notch 21 corresponds to the fixed notch 31 in a matching way. When the device is used, the stabilizer bar is placed in the test fixture assembly, one ball pin sleeve at two ends of the stabilizer bar is placed in the movable notch 21, the other ball pin sleeve is placed in the fixed notch 31, the delay relay is pressed down, the delay relay sends a trigger signal to control the cylinder 7 to work, the piston rod 1 moves, the movable test fixture 2 is further controlled to move along the direction away from the fixed test fixture 3, the distance between the movable notch 21 and the fixed notch 31 is increased, and radial tension which is separated from the stabilizer bar is applied to the ball pin sleeves at two ends of the stabilizer bar. According to the trigger signal of the adjusting delay relay, the stabilizer bar can be subjected to targeted test, a single-pulse trigger signal is sent out, the welding strength test of the ball pin bush of the stabilizer bar can be tested, a multi-pulse trigger signal is sent out, and the welding durability of the ball pin bush of the stabilizer bar can be tested.

In the embodiment, the movable test fixture 2 is also connected with a sliding base 4, and the sliding base 4 is provided with a threaded through hole for connecting the piston rod 1; the slide base 4 is also provided with grooves for the co-operation of the slide rail 10. The sliding base 4 is provided with a threaded hole, and the threaded hole is matched with a bolt with the threaded hole on the side surface of the movable test fixture 2 to fix the sliding base 4 and the movable test fixture 2.

As shown in fig. 2 and 3, the movable test fixture 2 in one embodiment of the present device is a cuboid design, the center of the movable test fixture 2 is hollowed to form a rectangular space with semi-cylindrical two ends for placing the ball pin sleeve, one end of the side surface of the movable test fixture is provided with a groove, the groove is communicated with the rectangular space, and the groove is used for placing the stabilizer bar.

As shown in fig. 4 and 5, in another embodiment of the device, a cylindrical space for placing a ball pin sleeve is hollowed out in the center of the movable test fixture 2, a groove is arranged at one end of the side surface of the movable test fixture, the groove is communicated with the cylindrical space, and the groove is used for placing a stabilizer bar.

As shown in fig. 6 and 7, in an embodiment of the present device, the fixed test fixture 3 is of a cuboid design, the center of the fixed test fixture 3 is hollowed to form a rectangular space for placing the ball pin sleeve, one end of the side surface of the fixed test fixture is provided with a groove, the groove is communicated with the rectangular space, the groove is used for placing the stabilizer bar, and four corners of the groove are respectively provided with a counter bore for being fixed with the fixed base 5.

As shown in fig. 8 and 9, in another embodiment of the device, the test fixture 3 is fixed, the test fixture 3 is in a cuboid design, and a cylindrical space for placing the ball pin sleeve is hollowed out in the center.

According to the stabilizer bars of different specifications, the movable test fixture 2 and the fixed test fixture 3 which are suitable for the stabilizer bars are selected, so that the device meets the test requirements of stabilizer bars of various types.

As shown in fig. 10 and 11, in one embodiment of the device, four threaded holes are uniformly formed in the top of the fixed base 5, the threaded holes are matched with counter bores of the fixed test fixture 3, and the fixed test fixture 3 and the fixed base 5 are fixed through screws; the bottom of the sliding rail is provided with a groove matched with the sliding rail 10, the bottom of the sliding rail is also provided with an extension part, the extension part is provided with a fixing hole, and the fixing hole adopts a counter bore design to be matched with a positioning hole on the fixing platform 6. The distance between the fixed test fixture and the movable test fixture can be adjusted through different positioning holes so as to adapt to stabilizer bars with different lengths for testing.

As shown in fig. 12 and 13, in one embodiment of the present device, a first fixing member 8 is disposed at one end of the cylinder 7, a second fixing member 9 is disposed at the other end, the first fixing member 8 and the second fixing member 9 are components with L-shaped side surfaces, a horizontal surface thereof is connected to the fixing platform 6, and a vertical surface thereof is connected to the cylinder 7. The first fixing piece 8 and the second fixing piece 9 are designed to be the same in specification, the vertical surface of the first fixing piece is provided with holes for moving the piston rod 1 of the air cylinder 7, the vertical surface is also provided with four counter bores for being connected and fixed with the air cylinder 7, and the horizontal surface is also provided with four counter bores for being connected with the fixing platform 6.

In one embodiment of the present apparatus, as shown in fig. 1, two test fixture assemblies are provided on the stationary platform 6.

The technical requirements of all parts in the device are that sharp edges, burrs and sharp corners are removed, no chamfer is injected, and the surface has no defects of cracking, deformation and the like.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims

1. The utility model provides a stabilizer bar tensile test device, includes test fixture subassembly, time delay relay, fixed platform (6), test fixture subassembly sets up on fixed platform (6), its characterized in that, test fixture subassembly includes cylinder (7), movable test fixture (2) and fixed test fixture (3), cylinder (7) are controlled by time delay relay, cylinder (7) include piston rod (1); one end of the movable test clamp (2) is connected with the piston rod (1), and the other end of the movable test clamp is provided with a movable notch (21) matched with the ball pin of the stabilizer bar; the fixed test fixture (3) is arranged in the direction of the extension line of the movable notch (21), the fixed test fixture (3) is provided with a fixed notch (31), and the movable notch (21) is matched and corresponds to the fixed notch (31).

2. The stabilizer bar tensile testing device according to claim 1, wherein: the movable test clamp (2) is also connected with a sliding base (4), and a threaded through hole for connecting the piston rod (1) is formed in the sliding base (4); the sliding base (4) is also provided with a groove matched with the sliding rail (10).

3. The stabilizer bar tensile testing device according to claim 2, wherein: the sliding base (4) is provided with a threaded hole, and the threaded hole is matched with a bolt with the threaded hole on the side face of the movable test clamp (2) to fix the sliding base (4) and the movable test clamp (2).

4. The stabilizer bar tensile testing device according to claim 2, wherein: the fixed test fixture (3) is also connected with a fixed base (5).

5. The stabilizer bar tensile testing device according to claim 4, wherein: the fixed base (5) is fixedly connected with the fixed platform (6).

6. The stabilizer bar tensile testing device according to claim 5, wherein: the fixing base (5) is provided with fixing holes, and the fixing holes are matched with a plurality of positioning holes on the fixing platform (6).

7. The stabilizer bar tensile testing device according to claim 1, wherein: one end of the air cylinder (7) is provided with a first fixing piece (8), the other end of the air cylinder is provided with a second fixing piece (9), the first fixing piece (8) and the second fixing piece (9) are components with L-shaped side faces, the horizontal plane of the first fixing piece is connected with the fixing platform (6), and the vertical plane of the first fixing piece is connected with the air cylinder (7).

8. The stabilizer bar tensile testing device according to claim 1, wherein: at least two test clamp assemblies are arranged on the fixed platform (6).