Automobile part noise test bench

Abstract

The utility model relates to a noise testboard for automobile parts, which belongs to the field of noise testing and comprises a workbench and a placing plate, a limiting assembly is mounted on the workbench, a driving assembly is mounted on the workbench, and the limiting assembly comprises a mounting cover fixedly mounted on the top of the workbench. The device comprises a placing plate, two electric sliding tables are fixedly mounted in the placing plate, sliding blocks are slidably connected to the tops of the two electric sliding tables, mounting columns are fixedly mounted at the tops of the two sliding blocks, and L-shaped limiting plates are fixedly mounted at the tops of the two mounting columns. According to the noise test board for the automobile parts, the limiting assembly is installed, the detected parts can be conveniently clamped in the longitudinal direction and the transverse direction, the placing stability of the parts in the detection process is improved, the part detection quality is further improved, the driving assembly is installed, the placing plate can vibrate, the part detection efficiency is improved, and the practicability is high. And the use requirements can be met.

Description

Technical Field

[0001] The utility model relates to the technical field of noise testing, in particular to a noise testing platform for automobile parts. Background Art

[0002] The automobile parts noise test bench is a device used to test the noise and vibration generated by automobile parts. This test bench is designed to simulate the noise generated by parts when the actual vehicle is running, and can provide detailed data and analysis to improve the design and ensure the quality of parts.

[0003] Please refer to a noise test bench for automobile parts with announcement number CN220690479U, which includes a base and sound insulation boards, four groups of sound insulation boards are provided with sound insulation cover plates on the upper ends, a bearing platform is provided above the base and inside the sound insulation boards, two groups of vibration mechanisms are provided inside the base and close to the sound insulation boards, a positioning mechanism is provided on the upper end of the bearing platform, the vibration mechanism includes a support, a groove is provided on the top of the support, a rotation groove is provided on the bottom end of the groove, and a triangular shaft is rotatably provided inside the rotation groove. The utility model has the advantages that: since the vibration frequency of this method is relatively stable, the noise generated by automobile parts during vibration can be effectively detected, and the automobile parts placed on the upper end of the bearing platform can be squeezed and positioned to prevent the automobile parts from sliding off the upper end of the bearing platform during the noise test.

[0004] In the above patent, the inspection parts are clamped longitudinally by pins. However, during the inspection process, the automobile parts vibrate, which can easily cause the pins to loosen and fall from the inside of the plug-in hole, thereby affecting the clamping effect of the parts inspection and reducing the efficiency of the parts inspection. This application proposes another technical solution to solve this technical problem. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an automobile parts noise test bench with advantages such as adjustable clamping, which solves the problem that automobile parts vibrate during the detection process, which easily causes pins to loosen and fall from the inside of the plug-in hole, thereby affecting the clamping effect of the parts detection and reducing the efficiency of the parts detection.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile parts noise test bench, comprising a workbench and a placement plate, a limit assembly is installed on the workbench, and a driving assembly is installed on the workbench;

[0007] The limit assembly includes a mounting cover fixedly mounted on the top of the workbench, two electric slides are fixedly mounted inside the placement plate, the tops of the two electric slides are slidably connected with sliders, and the tops of the two sliders are fixedly mounted with mounting columns;

[0008] An L-shaped limit plate is fixedly installed on the top of the two mounting columns, a cylinder is fixedly installed on the top of the two L-shaped limit plates, a clamp is fixedly installed on the output ends of the two cylinders, and a sliding rod is fixedly installed on the opposite sides of the two clamps.

[0009] Furthermore, the driving assembly includes a driving motor fixedly mounted on the top of the workbench, a rotating rod fixedly mounted on the output end of the driving motor, and a cam fixedly mounted on the outer side of the rotating rod.

[0010] Furthermore, two telescopic springs are fixedly installed inside the mounting cover, telescopic rods fixedly connected to the placement plate are fixedly installed on both sides of the inner wall of the mounting cover, and sponge layers are fixedly installed on the opposite sides of the two L-shaped limit plates.

[0011] Furthermore, a movable hole is opened on the top of the placement plate, and the mounting column extends to the outside of the placement plate through the movable hole. Through holes are opened inside the two L-shaped limit plates, and the output end of the cylinder is fixedly connected to the clamping plate through the through holes.

[0012] Furthermore, a sliding groove is provided on one side opposite to the two L-shaped limiting plates, and the sliding rod is slidably connected to the L-shaped limiting plates through the sliding groove.

[0013] Furthermore, movable grooves are provided on both sides of the inner wall of the installation cover, and the telescopic spring and the telescopic rod are fixedly connected to the installation cover through the movable grooves.

[0014] Furthermore, a box door is hinged on the front of the installation cover, an extension hole is opened on the right side of the installation cover, and the output end of the drive motor is fixedly connected to the rotating rod through the extension hole.

[0015] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0016] The automobile parts noise test bench is installed with a limit position component to facilitate the longitudinal and transverse clamping of the parts to be tested, thereby improving the stability of the placement of the parts during the testing process and thus improving the quality of the parts testing. By installing a driving component, the placement plate can vibrate, thereby improving the efficiency of the parts testing and facilitating meeting the use requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0018] Figure 2 For this utility model Figure 1 A magnified view of the structure in the middle;

[0019] Figure 3This is a front view of the structure of the utility model;

[0020] Figure 4 This is a three-dimensional diagram of the L-shaped limiting plate structure of the utility model.

[0021] In the figure: 1. workbench; 2. placement plate; 3. installation cover; 4. electric slide; 5. slider; 6. installation column; 7. L-shaped limit plate; 8. cylinder; 9. clamping plate; 10. slide rod; 11. driving motor; 12. rotating rod; 13. cam; 14. telescopic spring; 15. telescopic rod; 16. sponge layer. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4 In this embodiment, a noise test bench for automobile parts includes a workbench 1 and a placement plate 2. A limit assembly is installed on the workbench 1, and a driving assembly is installed on the workbench 1.

[0024] Among them, the limiting component includes a mounting cover 3 fixedly mounted on the top of the workbench 1, a box door is hinged on the front of the mounting cover 3, and a noise sensor is fixedly mounted on the top of the inner wall of the mounting cover 3. The noise sensor collects and detects the noise generated by automobile parts.

[0025] Two electric slides 4 are fixedly installed inside the placement plate 2, and the tops of the two electric slides 4 are slidably connected with sliders 5. The tops of the two sliders 5 are fixedly installed with mounting columns 6. A movable hole is opened on the top of the placement plate 2, and the mounting columns 6 extend to the outside of the placement plate 2 through the movable hole.

[0026] Among them, L-shaped limit plates 7 are fixedly installed on the top of the two mounting columns 6, cylinders 8 are fixedly installed on the top of the two L-shaped limit plates 7, and clamps 9 are fixedly installed on the output ends of the two cylinders 8. Through holes are opened inside the two L-shaped limit plates 7, and the output ends of the cylinders 8 are fixedly connected to the clamps 9 through the through holes. When the cylinders 8 are started, the clamps 9 are driven to move up and down.

[0027] A sliding rod 10 is fixedly installed on the opposite side of the two splints 9, and a sliding groove is opened on the opposite side of the two L-shaped limit plates 7. The sliding rod 10 is slidably connected to the L-shaped limit plates 7 through the sliding groove, providing guidance for the movement of the splints 9, making the movement of the splints 9 more convenient.

[0028] It should be noted that the automobile parts noise test bench, by installing a limit position component, facilitates the longitudinal and transverse clamping of the parts to be tested, improves the stability of the placement of the parts during the testing process, and thus improves the quality of part testing.

[0029] Specifically, when the automobile parts noise test bench is used, the box door is opened, and the automobile parts to be tested are placed on the placement plate 2, and then the two electric slides 4 are started to drive the two sliders 5 to move in the opposite direction, and the two L-shaped limit plates 7 are driven to move in the opposite direction through the mounting columns 6, so as to clamp the parts placed on the placement plate 2 horizontally, and then the two cylinders 8 are started to drive the clamping plates 9 to move downward, and the automobile parts placed on the placement plate 2 are clamped longitudinally, so as to improve the stability of the parts during the testing process, thereby improving the quality of parts testing.

[0030] In this embodiment, the driving assembly includes a driving motor 11 fixedly mounted on the top of the workbench 1, a rotating rod 12 fixedly mounted on the output end of the driving motor 11, an extension hole is opened on the right side of the mounting cover 3, the output end of the driving motor 11 is fixedly connected to the rotating rod 12 through the extension hole, and a cam 13 is fixedly mounted on the outer side of the rotating rod 12.

[0031] In addition, two telescopic springs 14 are fixedly installed inside the installation cover 3 , and telescopic rods 15 fixedly connected to the placement plate 2 are fixedly installed on both sides of the inner wall of the installation cover 3 .

[0032] Both sides of the inner wall of the installation cover 3 are provided with movable grooves, and the telescopic spring 14 and the telescopic rod 15 are fixedly connected to the installation cover 3 through the movable grooves. Sponge layers 16 are fixedly installed on the opposite sides of the two L-shaped limit plates 7.

[0033] It should be noted that the automobile parts noise test bench is equipped with a driving assembly so that the placement plate 2 can vibrate, thereby improving the efficiency of parts detection and meeting usage requirements.

[0034] Specifically, the automobile parts noise test bench starts the driving motor 11 after clamping the automobile parts, drives the rotating rod 12 to rotate, so that the cam 13 rotates, and the bottom of the cam 13 rotates to the bottom of the placement plate 2, and then pushes the placement plate 2 upward, so that the telescopic spring 14 and the telescopic rod 15 are compressed, so that the placement plate 2 and the cam 13, the telescopic spring 14 and the telescopic rod 15 move in coordination, and then the automobile parts are vibrated. After that, the noise sensor detects the noise generated by the automobile parts, which can effectively detect the noise level generated by the automobile parts when vibrating.

[0035] The working principle of the above embodiment is:

[0036] (1) When the automobile parts noise test bench is used, the box door is opened, and the automobile parts to be tested are placed on the placement plate 2. Then, the two electric slides 4 are started to drive the two slide blocks 5 to move in opposite directions, and the two L-shaped limit plates 7 are driven to move in opposite directions through the mounting columns 6, so as to clamp the parts placed on the placement plate 2 horizontally. Then, the two cylinders 8 are started to drive the clamping plates 9 to move downward, so as to clamp the automobile parts placed on the placement plate 2 vertically, thereby improving the stability of the parts during the testing process and thus improving the quality of parts testing.

[0037] (2) After the automobile parts are clamped in a limited position, the driving motor 11 is started to drive the rotating rod 12 to rotate, so that the cam 13 is rotated, and the bottom of the cam 13 is rotated to the bottom of the placement plate 2, and then the placement plate 2 is pushed upward, so that the telescopic spring 14 and the telescopic rod 15 are compressed, so that the placement plate 2 and the cam 13, the telescopic spring 14 and the telescopic rod 15 move in coordination, and then the automobile parts are vibrated. After that, the noise sensor detects the noise generated by the automobile parts, which can effectively detect the noise level generated by the automobile parts when vibrating.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automobile parts noise test bench, comprising a workbench (1) and a placement board (2), characterized in that: A limit assembly is installed on the workbench (1), and a drive assembly is installed on the workbench (1); The limit assembly comprises a mounting cover (3) fixedly mounted on the top of the workbench (1); two electric slides (4) are fixedly mounted inside the placement plate (2); the tops of the two electric slides (4) are slidably connected to sliders (5); the tops of the two sliders (5) are fixedly mounted with mounting columns (6); An L-shaped limit plate (7) is fixedly mounted on the top of the two mounting columns (6), a cylinder (8) is fixedly mounted on the top of the two L-shaped limit plates (7), a clamping plate (9) is fixedly mounted on the output ends of the two cylinders (8), and a sliding rod (10) is fixedly mounted on the opposite sides of the two clamping plates (9).

2. The automobile parts noise test bench according to claim 1, characterized in that: The driving assembly comprises a driving motor (11) fixedly mounted on the top of the workbench (1), a rotating rod (12) fixedly mounted on the output end of the driving motor (11), and a cam (13) fixedly mounted on the outer side of the rotating rod (12).

3. The automobile parts noise test bench according to claim 1, characterized in that: Two telescopic springs (14) are fixedly installed inside the installation cover (3), telescopic rods (15) fixedly connected to the placement plate (2) are fixedly installed on both sides of the inner wall of the installation cover (3), and sponge layers (16) are fixedly installed on the opposite sides of the two L-shaped limit plates (7).

4. The automobile parts noise test bench according to claim 1, characterized in that: A movable hole is provided at the top of the placement plate (2), the mounting column (6) extends to the outside of the placement plate (2) through the movable hole, through holes are provided inside the two L-shaped limit plates (7), and the output end of the cylinder (8) is fixedly connected to the clamping plate (9) through the through holes.

5. The automobile parts noise test bench according to claim 1, characterized in that: A sliding groove is provided on one side opposite to the two L-shaped limiting plates (7), and the sliding rod (10) is slidably connected to the L-shaped limiting plates (7) via the sliding groove.

6. The automobile parts noise test bench according to claim 3, characterized in that: Both sides of the inner wall of the installation cover (3) are provided with movable grooves, and the telescopic spring (14) and the telescopic rod (15) are fixedly connected to the installation cover (3) via the movable grooves.

7. The automobile parts noise test bench according to claim 2, characterized in that: A box door is hingedly connected to the front of the installation cover (3), an extension hole is opened on the right side of the installation cover (3), and the output end of the drive motor (11) is fixedly connected to the rotating rod (12) through the extension hole.

Images