Stabilizer bar rigidity detection tool

Abstract

The utility model discloses a stabilizer bar rigidity detection tool which comprises a bottom supporting plate fixedly installed on a supporting table of a hydraulic machine, a clamping mechanism installed on the bottom supporting plate, an extrusion block fixedly installed below an extrusion plate of the hydraulic machine, and a pushing mechanism. The clamping mechanism can be driven to move on the bottom supporting plate through the pushing mechanism, so that different positions of the stabilizer bar clamped by the clamping mechanism are located below the extrusion block, the stabilizer bar detection tool relates to the technical field of detection tools, the clamping mechanism is arranged, clamping of the stabilizer bar can be rapidly achieved, and therefore the detection efficiency of the stabilizer bar is improved; the clamping mechanism is driven to move through the electric push rod, so that different positions of the stabilizer bar can be driven to be located under the extrusion block, compression detection of the different positions of the stabilizer bar can be achieved, and detection of the stabilizer bar is more sufficient.

Description

Technical Field

[0001] This utility model relates to the field of testing tooling technology, specifically a tooling for testing the stiffness of a stabilizer bar. Background Technology

[0002] Chinese utility model patent CN209754970U discloses a clamping device for measuring the stiffness of a stabilizer bar, comprising an upper bracket, a lower bracket, a bearing, and a clamping block structure capable of clamping stabilizer bars of different diameters. The lower end face of the upper bracket has a first arc groove, and the upper end face of the lower bracket has a second arc groove. The radii of both the first and second arc grooves are smaller than the outer ring radius of the bearing. The bearing is disposed between the arc grooves of the upper and lower brackets, and the upper and lower brackets are detachably connected. The clamping block structure is detachably connected to the inner ring of the bearing. The clamping block structure includes two clamping blocks symmetrically arranged within the inner ring of the bearing. Each clamping block is detachably connected to the inner ring of the bearing, and each clamping block has a tapered surface extending from right to left on its outer side.

[0003] The above-mentioned patents have the following shortcomings:

[0004] The assembly and disassembly process requires frequent removal of the upper and lower brackets, involving at least two disassembly processes. This makes assembly and disassembly inconvenient and time-consuming, resulting in low efficiency in the batch testing of the stabilizer bars. Utility Model Content

[0005] In view of the problems existing in the current stabilizer stiffness testing fixture, this utility model is proposed.

[0006] Therefore, the purpose of this utility model is to provide a fixture for testing the stiffness of stabilizer bars, which solves the problem that the upper and lower brackets need to be disassembled frequently during assembly and disassembly, requiring at least two disassembly processes, which is inconvenient and time-consuming, resulting in low efficiency in the batch testing of stabilizer bars.

[0007] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0008] A fixture for testing the stiffness of a stabilizer bar includes a bottom support plate fixedly mounted on a support platform of a hydraulic press. A clamping mechanism is mounted on the bottom support plate. An extrusion block is fixedly mounted below the extrusion plate of the hydraulic press. The fixture also includes a pushing mechanism that can drive the clamping mechanism to move on the bottom support plate, so that different positions of the stabilizer bar clamped by the clamping mechanism are located below the extrusion block.

[0009] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, the clamping mechanism includes a first support block and a second support block that are slidably connected to the bottom support plate. The first support block has a groove for inserting the stabilizer rod, and a bridging plate is welded between the first support block and the second support block.

[0010] A clamping assembly is installed on the second support block, which clamps the two ends of the stabilizer rod together with the first support block.

[0011] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, the clamping assembly includes a cavity opened on the second support block, a spring installed in the cavity, the other end of the spring connected to a sleeve, the sleeve slidably connected to the inner wall of the cavity, and a notch opened at the top of the second support block, the width of the notch being greater than the diameter of the stabilizer.

[0012] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, wherein: a mounting plate and a mounting ring are respectively welded to both ends of the spring, the mounting plate is connected to the sleeve by bolts, and the mounting ring is connected to the second support block by bolts.

[0013] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, a drive rod is welded onto the mounting plate, and the end of the drive rod passes through the second support block and is fixedly connected to the disc.

[0014] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, the propulsion mechanism includes a first fixing block welded to the bottom support plate, an electric push rod detachably mounted on the first fixing block, and the other end of the electric push rod detachably connected to a second support block.

[0015] As a preferred embodiment of the stabilizer stiffness testing fixture of this utility model, wherein: a second fixed block is welded on the second support block, a first support connecting seat is welded on the second fixed block, an electric push rod is inserted into the inner wall of the first support connecting seat, and the first support connecting seat and the electric push rod are fixed together by bolts;

[0016] A second support connector is welded onto the first fixing block. An electric push rod is inserted into the inner wall of the second support connector, and the electric push rod and the second support connector are fixed together by bolts.

[0017] Compared with existing technologies:

[0018] By setting up a clamping mechanism, the stabilizer bar can be clamped quickly, thereby improving the detection efficiency of the stabilizer bar; by using an electric push rod to drive the clamping mechanism to move, different positions of the stabilizer bar can be driven directly below the extrusion block, thereby enabling pressure detection at different positions of the stabilizer bar, making the detection of the stabilizer bar more thorough. Attached Figure Description

[0019] Figure 1 This is a structural schematic diagram of the present invention;

[0020] Figure 2 A top view of the clamping mechanism provided by this utility model;

[0021] Figure 3 Provided by this utility model Figure 2 Enlarged view of point A in the middle;

[0022] Figure 4 A partial side cross-sectional view of the clamping mechanism provided by this utility model;

[0023] Figure 5 Provided by this utility model Figure 4 Enlarged view at point B in the middle;

[0024] Figure 6 A side view of the second support block provided by this utility model.

[0025] In the diagram: 1. Hydraulic press; 2. Extrusion block; 3. Bottom support plate; 4. Second support block; 5. Notch; 6. Cavity; 7. Disc; 8. Drive rod; 9. Second fixing block; 10. Bridge plate; 11. Stabilizer; 12. First fixing block; 13. Second support connecting seat; 14. Electric push rod; 15. First support connecting seat; 16. Spring; 17. Mounting plate; 18. Mounting ring; 19. Sleeve. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0027] This utility model provides a fixture for testing the stiffness of a stabilizer bar. Please refer to [link / reference]. Figure 1-6 It includes a bottom support plate 3 fixedly installed on the support platform of the hydraulic press 1, a clamping mechanism installed on the bottom support plate 3, an extrusion block 2 fixedly installed below the extrusion plate of the hydraulic press 1, and a pushing mechanism that can drive the clamping mechanism to move on the bottom support plate 3, so that the different positions of the stabilizing rod 9 clamped by the clamping mechanism are located below the extrusion block 2.

[0028] The clamping mechanism includes a first support block 7 and a second support block 4 that are slidably connected to the bottom support plate 3. The first support block 7 has a groove for inserting the stabilizing rod 9. A bridging plate 8 is welded between the first support block 7 and the second support block 4.

[0029] A clamping assembly is installed on the second support block 4, which clamps the two ends of the stabilizer bar 9 together with the first support block 7.

[0030] The clamping assembly includes a cavity 42 opened on the second support block 4, a spring 14 installed in the cavity 42, the other end of the spring 14 is connected to a sleeve 15, the inner wall of the cavity 42 is slidably connected to the sleeve 15, and a notch 41 is opened at the top of the second support block 4, the width of the notch 41 being greater than the diameter of the stabilizer rod 9.

[0031] The spring 14 has a mounting plate 141 and a mounting ring 142 welded to its two ends respectively. The mounting plate 141 is connected to the sleeve 15 by bolts, and the mounting ring 142 is connected to the second support block 4 by bolts.

[0032] A drive rod 51 is welded onto the mounting plate 141. The end of the drive rod 51 passes through the second support block 4 and is fixedly connected to the disc 5.

[0033] The propulsion mechanism includes a first fixing block 10 welded to the bottom support plate 3. An electric push rod 12 is detachably mounted on the first fixing block 10. Specifically, a second support connecting seat 11 is welded to the first fixing block 10. The electric push rod 12 is inserted into the inner wall of the second support connecting seat 11. The electric push rod 12 and the second support connecting seat 11 are fixed together by bolts. The other end of the electric push rod 12 is detachably connected to a second support block 4. Specifically, a second fixing block 6 is welded to the second support block 4. A first support connecting seat 13 is welded to the second fixing block 6. The electric push rod 12 is inserted into the inner wall of the first support connecting seat 13. The first support connecting seat 13 and the electric push rod 12 are fixed together by bolts.

[0034] In practical use, the disc 5 is pulled away from the second support block 4, the bottom end of the stabilizer 9 is placed into the cavity 42 through the notch 41, the other end of the stabilizer 9 is inserted into the first support block 7, the disc 5 is released, and under the elastic force of the spring 14, the sleeve 15 moves and is fitted onto the other end of the stabilizer 9 to achieve the clamping of the stabilizer 9.

[0035] The hydraulic press drives the extrusion block 2 to descend and extrude pressure on the stabilizer bar 9, thereby detecting the stiffness of the stabilizer bar 9. The clamping mechanism is moved by the extension and retraction of the electric push rod 12, thereby moving the stabilizer bar 9 so that different positions of the stabilizer bar 9 are located below the extrusion block 2, thus achieving different pressure tests on the stabilizer bar 9.

[0036] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A fixture for testing the stiffness of a stabilizer bar, comprising a bottom support plate (3) fixedly mounted on a support platform of a hydraulic press (1), wherein a clamping mechanism is mounted on the bottom support plate (3), characterized in that: The hydraulic press (1) has an extrusion block (2) fixedly installed below the extrusion plate and also includes a propulsion mechanism. The propulsion mechanism can drive the clamping mechanism to move on the bottom support plate (3), so that the different positions of the stabilizing rod (9) held by the clamping mechanism are located below the extrusion block (2).

2. The fixture for testing the stiffness of a stabilizer bar according to claim 1, characterized in that, The clamping mechanism includes a first support block (7) and a second support block (4) that are slidably connected to the bottom support plate (3). The first support block (7) has a groove for inserting a stabilizing rod (9). A bridging plate (8) is welded between the first support block (7) and the second support block (4). The second support block (4) is equipped with a clamping assembly, which clamps the two ends of the stabilizer (9) together with the first support block (7).

3. The fixture for testing the stiffness of a stabilizer bar according to claim 2, characterized in that, The clamping assembly includes a cavity (42) opened on the second support block (4), a spring (14) is installed in the cavity (42), the other end of the spring (14) is connected to a sleeve (15), the inner wall of the cavity (42) is slidably connected to the sleeve (15), and a notch (41) is opened at the top of the second support block (4), the width of the notch (41) is greater than the diameter of the stabilizer (9).

4. The fixture for testing the stiffness of a stabilizer bar according to claim 3, characterized in that, The spring (14) has a mounting plate (141) and a mounting ring (142) welded to its two ends respectively. The mounting plate (141) is connected to the sleeve (15) by bolts, and the mounting ring (142) is connected to the second support block (4) by bolts.

5. The fixture for testing the stiffness of a stabilizer bar according to claim 4, characterized in that, A drive rod (51) is welded onto the mounting plate (141), and the end of the drive rod (51) passes through the second support block (4) and is fixedly connected to the disc (5).

6. The fixture for testing the stiffness of a stabilizer bar according to claim 1, characterized in that, The propulsion mechanism includes a first fixing block (10) welded to the bottom support plate (3), an electric push rod (12) is detachably mounted on the first fixing block (10), and the other end of the electric push rod (12) is detachably connected to a second support block (4).

7. The stabilizer stiffness testing fixture according to claim 6, characterized in that, A second fixing block (6) is welded on the second support block (4), and a first support connecting seat (13) is welded on the second fixing block (6). An electric push rod (12) is inserted into the inner wall of the first support connecting seat (13), and the first support connecting seat (13) and the electric push rod (12) are fixed together by bolts. A second support connecting seat (11) is welded onto the first fixing block (10). An electric push rod (12) is inserted into the inner wall of the second support connecting seat (11). The electric push rod (12) and the second support connecting seat (11) are fixed together by bolts.

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