Ball screw testing device
By designing a ball screw test device containing a clamp and an impact hammer, the problem that traditional devices cannot perform impact experiments is solved, and a comprehensive evaluation of the performance of ball screws is achieved, and the reliability and stability of the design is improved.
Patent Information
- Application Number
- CN202421164850.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The failure of traditional ball screw test devices to perform impact experiments results in the failure to accurately evaluate its performance when subjected to unexpected shocks or vibrations during the design stage, which may lead to the equipment being susceptible to damage or failure in actual use.
A ball screw test device including a test chamber, support plate, platform, clamp, motor, cylinder, telescopic rod and impact hammer was designed. The ball screw rod is clamped by a motor drive clamping the ball screw rod and the impact hammer is driven by a cylinder and telescopic rod. Perform impact tests on the ball screw.
The gripping and impact test of the ball screw is realized, which can accurately evaluate its performance when impacted or vibration, improves the reliability and stability of the design, and avoids the failure of the equipment to evaluate performance during actual use. Damage or failure caused.
Smart Images
Figure CN222481776U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of machinery, in particular to a ball screw testing device. Background Art
[0002] A ball screw is a mechanical transmission element used to convert rotary motion into linear motion or convert linear motion into rotary motion. It consists of a threaded screw, a nut and a ball.
[0003] The ball screw test device is mainly used to evaluate the performance parameters of the ball screw in different scenarios and working conditions to verify whether its design meets the requirements and to evaluate its reliability and stability in actual work.
[0004] However, the traditional ball screw test device cannot perform impact tests on it. If the ball screw is not tested by impact test during the design stage, it will be impossible to accurately evaluate its performance when subjected to unexpected impact or vibration, which will lead to blind spots in the design and make the equipment susceptible to damage or failure in actual use. Therefore, a ball screw test device is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a ball screw test device, aiming to improve the clamping and impact problems in the prior art.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a ball screw testing device, including a test box, a support plate is fixedly connected to the inner side of the test box, a platform is fixedly connected to the top of the support plate, a plurality of evenly distributed slide grooves are provided on the top of the platform, two clamps are slidably connected to the top of the platform, the clamps are slidably connected to the slide grooves, a circular groove is provided on the inner side of the clamp, a base is fixedly connected to the inner side of the clamp, a connecting strip is rotatably connected to the top of the base, a rotating strip is rotatably provided at the end of the connecting strip away from the base, a rotating table is rotatably connected to the bottom of the rotating strip, a motor is fixedly connected to the bottom of the support plate, the bottom of the rotating table is fixedly connected to the output end of the motor, and an impact assembly is arranged on the top of the test box.
[0007] As a further description of the above technical solution: the impact assembly includes a support frame, the top of the support frame is fixedly connected to a cylinder, the bottom of the cylinder is fixedly connected to a telescopic rod, the bottom end of the telescopic rod is fixedly connected to an impact hammer, the outer periphery of the impact hammer is provided with a spring, and the outer periphery of the telescopic rod is provided with a steel pipe.
[0008] As a further description of the above technical solution: the top of the test box is fixedly connected to the steel pipe, and the impact hammer is slidably connected to the inner side of the steel pipe.
[0009] As a further description of the above technical solution: the telescopic rod is fixedly connected to the inner side of the steel pipe.
[0010] As a further description of the above technical solution: the rotating table is rotatably connected to the top side of the platform, and the base is slidably connected to the top side of the platform.
[0011] As a further description of the above technical solution: a protective door is rotatably connected to the front side of the test box, and a visual window is fixedly connected to the front side of the protective door.
[0012] As a further description of the above technical solution: a handle is fixedly connected to the front side of the test box.
[0013] As a further description of the above technical solution: the spring is slidably connected to the inner side of the steel pipe.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, when the ball screw needs to be tested, the staff places the ball screw in the circular groove on the inner side of the splint, and the motor drives the rotating table to rotate. The rotating table rotates, thereby driving the rotating bar above the rotating table to rotate. The rotating bar rotates, thereby driving the connecting bars at both ends to rotate and contract. The connecting bar contracts, thereby driving the two bases to slide toward each other. The base is fixedly connected to the splint, and the two splints slide toward each other, thereby achieving the effect of clamping the ball screw placed in the middle.
[0016] 2. In the utility model, when the ball screw needs to be impact tested, the cylinder is started to drive the telescopic rod to extend downward, and the impact hammer fixedly connected to the telescopic rod extends downward, thereby achieving the effect of impacting the ball screw. When the impact occurs, the spring is deformed. After the impact, the spring rebounds and drives the impact hammer back to its original position, thereby completing an impact process. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A three-dimensional schematic diagram of a ball screw test device proposed by the utility model;
[0018] Figure 2 This is a structural schematic diagram of a clamping plate of a ball screw test device proposed by the utility model;
[0019] Figure 3 The utility model provides a schematic structural diagram of a spring of a ball screw test device.
[0020] Legend:
[0021] 1. Test chamber; 2. Support frame; 3. Protective door; 4. Visual window; 5. Handle; 6. Cylinder; 7. Support plate; 8. Platform; 9. Slide; 10. Clamp; 11. Circular groove; 12. Base; 13. Rotating bar; 14. Connecting bar; 15. Motor; 16. Telescopic rod; 17. Impact hammer; 18. Spring; 19. Steel pipe; 20. Rotating table. 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] Reference Figure 1 and 2 , an embodiment provided by the utility model: a ball screw test device, including a test box 1, a support plate 7 is fixedly connected to the inner side of the test box 1, a platform 8 is fixedly connected to the top of the support plate 7, the function of the test box 1 is to provide test conditions, the function of the support plate 7 is to support the platform 8, the function of the platform 8 is to provide clamping conditions, a plurality of evenly distributed slide grooves 9 are provided on the top of the platform 8, two clamping plates 10 are slidably connected to the top of the platform 8, the clamping plates 10 are slidably connected to the slide grooves 9, the function of the slide grooves 9 is to cooperate with the sliding of the clamping plates 10, the function of the clamping plates 10 is to clamp the ball screw, a circular groove 11 is provided on the inner side of the clamping plates 10, a base 12 is fixedly connected to the inner side of the clamping plates 10, and the bottom The top of the seat 12 is rotatably connected with a connecting bar 14, the function of the circular groove 11 is to facilitate the clamping of the ball screw by the splint 10, the function of the base 12 is to provide a connecting function, the function of the connecting bar 14 is to connect the rotating bar 13, the end of the connecting bar 14 away from the base 12 is rotatably connected with the rotating bar 13, the bottom of the rotating bar 13 is rotatably connected with a rotating table 20, the function of the rotating bar 13 is to rotate and contract the two connecting bars 14, the function of the rotating table 20 is to drive the rotating bar 13 to rotate, the bottom of the support plate 7 is fixedly connected with a motor 15, the bottom of the rotating table 20 is fixedly connected to the output end of the motor 15, the function of the motor 15 is to drive the rotating table 20, and an impact component is arranged on the top of the rotating test box 1.
[0024] Reference Figure 3The impact assembly includes a support frame 2, a cylinder 6 is fixedly connected to the top of the support frame 2, a telescopic rod 16 is fixedly connected to the bottom of the cylinder 6, the function of the support frame 2 is to support the stability of the impact assembly, the function of the cylinder 6 is to drive the telescopic rod 16 to extend and retract, the function of the telescopic rod 16 is to drive the impact hammer 17 to move up and down, the bottom end of the telescopic rod 16 is fixedly connected to the impact hammer 17, the outer periphery of the impact hammer 17 is provided with a spring 18, the outer periphery of the telescopic rod 16 is provided with a steel pipe 19, the function of the impact hammer 17 is to impact the ball screw for testing, the function of the spring 18 is to drive the impact hammer 17 to rebound and buffer, and the function of the steel pipe 19 is to maintain the stability of the impact.
[0025] Reference Figure 1 A protective door 3 is rotatably connected to the front side of the test box 1, a visual window 4 is fixedly connected to the front side of the protective door 3, and a handle 5 is fixedly connected to the front side of the test box 1. The protective door 3 is used to facilitate the staff to repair the test device, the visual window 4 is used to facilitate the staff to check the impact situation, and the handle 5 is used to facilitate the staff to open the protective door 3.
[0026] Working principle: when the ball screw needs to be tested, the staff places the ball screw in the circular groove 11 on the inner side of the splint 10, and the motor 15 is driven to drive the rotating table 20 to rotate. The rotating table 20 rotates, thereby driving the rotating bar 13 above the rotating table 20 to rotate, and the rotating bar 13 rotates, thereby driving the connecting bars 14 at both ends to rotate and contract. The connecting bar 14 contracts, thereby driving the two bases 12 to slide toward each other. The base 12 is fixedly connected to the splint 10, and the two splints 10 slide toward each other, thereby achieving the effect of clamping the ball screw placed in the middle. When the ball screw needs to be impact tested, the cylinder 6 starts to drive the telescopic rod 16 to extend downward, and the impact hammer 17 fixedly connected to the telescopic rod 16 extends downward, thereby achieving the effect of impacting the ball screw. When the impact occurs, the spring 18 is deformed. After the impact, the spring 18 rebounds, driving the impact hammer 17 back to its original position, thereby completing an impact process.
[0027] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A ball screw testing device, comprising a test box (1), characterized in that: The test box (1) is fixedly connected to a support plate (7) on the inside, and a platform (8) is fixedly connected to the top of the support plate (7). A plurality of evenly distributed slide grooves (9) are provided on the top of the platform (8). Two clamping plates (10) are slidably connected to the top of the platform (8). The clamping plates (10) are slidably connected to the slide grooves (9). A circular groove (11) is provided on the inside of the clamping plates (10). A base (12) is fixedly connected to the inside of the clamping plates (10). A connecting strip (14) is rotatably connected to the top of the base (12). A rotating strip (13) is rotatably provided at one end of the connecting strip (14) away from the base (12). A rotating table (20) is rotatably connected to the bottom of the rotating bar (13). A motor (15) is fixedly connected to the bottom of the support plate (7). The bottom of the rotating table (20) is fixedly connected to the output end of the motor (15). An impact assembly is provided on the top of the test box (1).
2. A ball screw test device according to claim 1, characterized in that: The impact assembly comprises a support frame (2), the top of the support frame (2) is fixedly connected to a cylinder (6), the bottom of the cylinder (6) is fixedly connected to a telescopic rod (16), the bottom end of the telescopic rod (16) is fixedly connected to an impact hammer (17), the outer periphery of the impact hammer (17) is provided with a spring (18), and the outer periphery of the telescopic rod (16) is provided with a steel pipe (19).
3. A ball screw test device according to claim 2, characterized in that: The top of the test box (1) is fixedly connected to the steel pipe (19), and the impact hammer (17) is slidably connected to the inner side of the steel pipe (19).
4. A ball screw test device according to claim 2, characterized in that: The telescopic rod (16) is fixedly connected to the inner side of the steel pipe (19).
5. A ball screw testing device according to claim 1, characterized in that: The rotating table (20) is rotatably connected to the top side of the platform (8), and the base (12) is slidably connected to the top side of the platform (8).
6. A ball screw testing device according to claim 1, characterized in that: The front side of the test box (1) is rotatably connected to a protective door (3), and the front side of the protective door (3) is fixedly connected to a visual window (4).
7. A ball screw testing device according to claim 1, characterized in that: A handle (5) is fixedly connected to the front side of the test box (1).
8. A ball screw testing device according to claim 2, characterized in that: The spring (18) is slidably connected to the inner side of the steel pipe (19).