A dual-rotary compound motion bench tester

Abstract

The application discloses a double-rotation compound motion rack test machine, which comprises a base, a main rotation motion part, a secondary rotation motion part and a brake pipe mounting part; the main rotation motion part comprises a speed reducer motor, a rotating disc, a connecting plate, a swing arm plate and a driven rotating disc, the speed reducer motor is connected with the rotating disc, and the rotating disc and the driven rotating disc are connected with the swing arm plate through the connecting plate respectively; the secondary rotation motion part comprises a servo motor, a motor fixing plate and a universal joint, and the universal joint is tightly connected with the rotating shaft of the servo motor; the brake pipe mounting part comprises a connecting rod, a brake pipe support fixing block, a brake pipe, a brake pipe joint fixing plate, a hollow steel pipe, a fisheye bearing, a bearing fixing block and an aluminum profile, the connecting rod is connected with the universal joint and the hollow steel pipe respectively, and the hollow steel pipe is movably connected with the fisheye bearing; and the application can adjust the angle, the rotation frequency and the running number, and can realize the compound motion of two kinds of rotation motions, so as to meet the brake pipe rack test demand.

Description

Technical Field

[0001] This invention belongs to the field of mechanical equipment technology and relates to a bench testing machine, specifically a bench testing machine with dual rotational compound motion. Background Technology

[0002] With rapid economic development, especially in the automotive industry, brake pipes have become an indispensable and crucial component in the automotive industry. Before production and sale, a mature brake pipe must undergo torsion tests at a certain frequency and along a specific trajectory to evaluate its durability. Currently, the main problems with testing machines used for brake pipe torsion testing on the market are: the running trajectory of the brake pipe bench test does not match the actual running trajectory, and the movement trajectory is singular and lacks adjustability, thus affecting the judgment. Summary of the Invention

[0003] The purpose of this invention is to provide a bench testing machine with dual-rotation compound motion to meet the current testing requirements for brake tubes.

[0004] To achieve the above objectives, the technical solution adopted by the present invention is as follows: a bench testing machine with dual rotational compound motion, comprising a base, characterized in that a main rotational motion unit, a secondary rotational motion unit, and a brake tube mounting unit are arranged above the base;

[0005] The main rotating motion unit includes a geared motor, a rotating disk, a connecting plate, a swing arm plate, and a driven rotating disk. The rotating shaft of the geared motor is connected to the rotating disk. The rotating disk and the driven rotating disk are arranged opposite to each other. The rotating disk and the driven rotating disk are respectively connected to the swing arm plate through the connecting plate. One end of the swing arm plate is rotatably mounted on an aluminum profile.

[0006] The auxiliary rotary motion unit includes a servo motor, a motor mounting plate, and a universal joint. The servo motor is mounted vertically on the motor mounting plate, the motor mounting plate is fastened to the swing arm plate, and the universal joint is fastened to the rotating shaft of the servo motor.

[0007] The brake pipe mounting part includes a connecting rod, a brake pipe bracket fixing block, a brake pipe, a brake pipe joint fixing plate, a hollow steel pipe, a fisheye bearing, a bearing fixing block, and an aluminum profile. The two ends of the brake pipe are respectively connected to the upper and lower brake pipe joint fixing blocks, and the middle part is connected to the brake pipe bracket fixing block. The connecting rod is respectively connected to the universal joint and the hollow steel pipe. The hollow steel pipe is movably connected to the fisheye bearing. The brake pipe bracket fixing block is fixed on the connecting rod.

[0008] Furthermore, the connecting plate is installed on both sides of the swing arm plate, with one end connected to the swing arm plate via a swing arm connecting block, and the other end connected to the rotating disk and the driven rotating disk respectively via an angle adjustment mechanism. The swing arm connecting block and the swing arm plate are fixedly connected, and the swing arm connecting block and the connecting plate are rotatably connected.

[0009] Furthermore, the angle adjustment mechanism includes an angle adjustment block and a lead screw. The lead screw is installed in the adjustment slots of the rotating disk and the driven rotating disk, respectively. The angle adjustment block is fitted onto the lead screw and is slidably connected to the adjustment slot, and is fixedly connected to the connecting plate.

[0010] Furthermore, a proximity switch for counting the number of runs is provided on one side of the rotary disk or driven rotary disk.

[0011] Furthermore, two brake pipe joint fixing blocks are provided and fixed to the aluminum profile at an interval.

[0012] Furthermore, the fisheye bearing is fixed to the bearing fixing block and fastened to the aluminum profile.

[0013] The beneficial effects of this invention are as follows:

[0014] (1) It can realize the composite motion of two rotational motions to meet the requirements of brake tube bench test;

[0015] (2) The angle, rotation frequency and number of runs can be adjusted, which solves the problem of single motion trajectory and poor adjustability.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0017] Figure 1 and Figure 2 This is a schematic diagram of the overall structure of the present invention;

[0018] Figure 3 This is a schematic diagram of the angle adjustment mechanism of the present invention.

[0019] The components in the diagram are labeled as follows: 1. Base; 2. Main rotating motion unit; 3. Secondary rotating motion unit; 4. Brake pipe mounting unit; 5. Gear motor; 6. Rotary disk; 7. Angle adjustment block; 8. Lead screw; 9. Connecting plate; 10. Swing arm connecting block; 11. Swing arm plate; 12. Driven rotating disk; 13. Proximity switch; 14. Servo motor; 15. Motor mounting plate; 16. Universal joint; 17. Connecting rod; 18. Brake pipe bracket mounting block; 19. Brake pipe; 20. Brake pipe joint mounting plate; 21. Hollow steel pipe; 22. Fisheye bearing; 23. Bearing mounting block; 24. Aluminum profile. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] like Figures 1 to 3 As shown, a bench testing machine with dual-rotation compound motion includes: a base 1, a main rotational motion unit 2 fixed on the base 1, a secondary rotational motion unit 3 connected to the main rotational motion unit 2, and a brake pipe mounting unit 4.

[0022] The main rotating motion unit 2 includes a geared motor 5, a rotating disk 6, an angle adjusting block 7, a lead screw 8, a connecting plate 9, a swing arm connecting block 10, a swing arm plate 11, a driven rotating disk 12, and a proximity switch 13. The rotating disk 6 is fixedly connected to the shaft of the geared motor 5. The angle adjusting block 7 is connected to the rotating disk 12 via the lead screw 8 to adjust the rotation angle. The connecting plate 9 connects the angle adjusting block 7 and the swing arm connecting block 10. One end of the swing arm plate 11 is rotatably mounted on an aluminum profile, and the other end is fixedly connected to the swing arm connecting block 10 on both sides. The driven rotating disk 12 rotates with the rotating disk 6 and provides support. The proximity switch 13 is located on one side of the rotating disk or the driven rotating disk to count the number of runs.

[0023] The auxiliary rotary motion unit 3 includes a servo motor 14, a motor mounting plate 15, and a universal joint 16; the motor mounting plate 15 is fastened to the swing arm plate 11, the servo motor 14 is fixed on the motor mounting plate 15, and the universal joint 16 is fastened to the rotating shaft of the servo motor 14.

[0024] The brake pipe mounting part 4 includes a connecting rod 17, a brake pipe support fixing block 18, a brake pipe 19, a brake pipe joint fixing plate 20, a hollow steel pipe 21, a fisheye bearing 22, a bearing fixing block 23, and an aluminum profile 24. The two ends of the brake pipe 19 are respectively connected to the upper and lower brake pipe joint fixing blocks 20, and the middle part is connected to the brake pipe support fixing block 18. The connecting rod 17 is respectively connected to the universal joint 16 and the hollow steel pipe 21. The hollow steel pipe 21 is movably connected to the fisheye bearing 22. The brake pipe support fixing block 18 is fixed on the connecting rod 17. The brake pipe joint fixing block 20 is fixed on the aluminum profile 24. The fisheye bearing 22 is fixed on the bearing fixing block 23 and is fastened to the aluminum profile 24.

[0025] The working principle of this invention is as follows:

[0026] The geared motor 5 drives the rotating disk 6 to rotate, thereby causing the swing arm plate 11 to perform up-and-down main rotational motion. The rotation angle can be adjusted by the angle adjustment block 7, the rotation frequency can be achieved by the running speed of the geared motor 5, the number of runs can be counted by the proximity switch 13, and the rotation radius can be achieved by changing the swing arm plate of different lengths.

[0027] The servo motor 14 rotates back and forth within a certain range, and its operation drives the universal joint 16 to rotate, which is a secondary rotational motion. The range of motion of the universal joint 16 can be controlled within a certain angle range. The hollow steel pipe 21 performs compound motion on the fisheye bearing 22. The rotation angle and frequency can be controlled by the servo motor 14.

[0028] The brake tube 19 moves along with the connecting rod through the brake tube bracket fixing block 18 in a combined motion of main rotation and secondary rotation, thereby achieving the required torsional frequency and trajectory of the brake tube 19, and thus satisfying the bench durability test of the brake tube 19.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the above embodiments do not limit the scope of protection of the present invention in any way, and all technical solutions obtained by equivalent substitution or other means fall within the scope of protection of the present invention.

[0030] All parts not covered in this invention are the same as or can be implemented using existing technologies.

Claims

1. A bench testing machine with dual-rotation compound motion, comprising a base, characterized in that, The base is provided with a main rotating motion unit, a secondary rotating motion unit and a brake pipe mounting unit; The main rotating motion unit includes a geared motor, a rotating disk, a connecting plate, a swing arm plate, and a driven rotating disk. The rotating shaft of the geared motor is connected to the rotating disk. The rotating disk and the driven rotating disk are arranged opposite to each other. The rotating disk and the driven rotating disk are respectively connected to the swing arm plate through the connecting plate. One end of the swing arm plate is rotatably mounted on an aluminum profile. The auxiliary rotary motion unit includes a servo motor, a motor mounting plate, and a universal joint. The servo motor is mounted vertically on the motor mounting plate, the motor mounting plate is fastened to the swing arm plate, and the universal joint is fastened to the rotating shaft of the servo motor. The brake pipe mounting part includes a connecting rod, a brake pipe bracket fixing block, a brake pipe, a brake pipe joint fixing plate, a hollow steel pipe, a fisheye bearing, a bearing fixing block, and an aluminum profile. The two ends of the brake pipe are respectively connected to the upper and lower brake pipe joint fixing blocks, and the middle part is connected to the brake pipe bracket fixing block. The connecting rod is respectively connected to the universal joint and the hollow steel pipe. The hollow steel pipe is movably connected to the fisheye bearing. The brake pipe bracket fixing block is fixed on the connecting rod. The connecting plate is installed on both sides of the swing arm plate. One end of the connecting plate is connected to the swing arm plate through the swing arm connecting block, and the other end is connected to the rotating disk and the driven rotating disk through the angle adjustment mechanism respectively. The swing arm connecting block and the swing arm plate are fixedly connected, and the swing arm connecting block and the connecting plate are rotatably connected. The angle adjustment mechanism includes an angle adjustment block and a lead screw. The lead screw is installed in the adjustment slots of the rotating disk and the driven rotating disk, respectively. The angle adjustment block is fitted on the lead screw and is slidably connected to the adjustment slot, and is fixedly connected to the connecting plate. The speed reduction motor drives the rotating disk to rotate, thereby causing the swing arm plate to perform the main rotational motion of up and down; The servo motor rotates back and forth within a certain range, and its operation drives the universal joint to rotate, performing a secondary rotational motion. The brake tube moves along with the connecting rod through the brake tube bracket fixing block, performing a composite motion of main rotational motion and secondary rotational motion, thereby achieving the required torsional frequency and trajectory of the brake tube, and thus satisfying the bench durability test of the brake tube.

2. The bench testing machine with dual-rotation compound motion according to claim 1, characterized in that, A proximity switch for counting the number of runs is provided on one side of the rotary disk or driven rotary disk.

3. The bench testing machine with dual-rotation compound motion according to claim 1, characterized in that, Two brake pipe connector fixing blocks are provided and fixed to the aluminum profile at an interval.

4. The bench testing machine with dual-rotation compound motion according to claim 1, characterized in that, The fisheye bearing is fixed to the bearing fixing block and fastened to the aluminum profile.

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