Gantry type handle anti-fatigue testing machine
Through the design of the gantry-type handle anti-fatigue test machine, the multi-pose stress of the handle is simulated by using the motor drive eccentric wheel and the lifting shaft, which solves the problem that different stress conditions cannot be simulated in the prior art, and realizes the accurate evaluation of the fatigue performance of the handle.
Patent Information
- Application Number
- CN202422565227.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The existing handle anti-fatigue testing machine cannot simulate different stress conditions and postures, which reduces the practicality of the device.
The gantry-shaped structure is adopted, and the eccentric wheel and lifting shaft are driven by the motor drive shaft, which simulates the cyclic load of the handle, combines the hook and support beam to achieve multi-pose stress, and uses the control system to record and store physical quantity data.
Multi-pose stress simulation of the handle is realized, the accuracy and reliability of the test are improved, and the fatigue performance can be recorded and evaluated in real time.
Smart Images
Figure CN223192551U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hardware product inspection and testing, in particular to a gantry-type handle anti-fatigue testing machine. Background Art
[0002] The handle fatigue tester is a device specially designed for testing the fatigue performance of handle products. It has a sturdy and stable frame that can withstand large test forces and ensure the accuracy and reliability of the test process. The tester mainly simulates the repeated operation of the handle during actual use, applies a certain force, torque or other specific load conditions to the handle, and then performs continuous cycle tests according to the preset test procedures and cycles. By continuously repeating these actions, it can detect whether the handle suffers from fatigue damage, performance degradation or structural failure after a certain number of cycles.
[0003] The handle fatigue tester simulates actual use conditions through the transmission system, makes the handle reciprocate at the set frequency and amplitude, and uses the loading system to apply a predetermined force. The relevant parameters of the force are determined according to the actual use requirements and standards of the handle.
[0004] The handle fatigue testing machines currently available on the market fix the handle with a clamp, but in actual use, they cannot simulate different stress conditions and postures, thereby reducing the practicality of the device. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides a gantry-type handle anti-fatigue testing machine, which aims to improve the problem that the handle anti-fatigue testing machine in the prior art cannot simulate different stress conditions and postures.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions: a gantry-type handle anti-fatigue testing machine, comprising a base, the top of the base is fixedly connected to a gantry, the left and right sides of the top of the base are fixedly connected to lifting shafts, the top of the lifting shaft is fixedly connected to a support beam, the left and right sides of the bottom of the support beam are slidably connected to hooks, the right side of the inner wall of the base is fixedly connected to a motor, the output end of the motor passes through the base and is fixedly connected to a shaft, the left and right sides of the outer wall of the shaft are fixedly connected to eccentric wheels, the top of the eccentric wheel passes through the base and is provided with a lifting shaft, the middle part of the top of the base is fixedly connected to a tray, and a test pot is placed on the top of the tray.
[0007] As a further description of the above technical solution:
[0008] A control cabinet is provided on the front side of the tray, and the control cabinet is electrically connected to the motor.
[0009] As a further description of the above technical solution:
[0010] The left and right sides of the bottom of the inner wall of the shaft are both rotatably connected with bearing seats.
[0011] As a further description of the above technical solution:
[0012] Slide blocks are slidably connected to the upper and lower sides of the outer wall of the lifting shaft.
[0013] As a further description of the above technical solution:
[0014] The sliding block is fixedly connected to the gantry.
[0015] As a further description of the above technical solution:
[0016] The bottom of the base is fixedly connected with a bottom plate.
[0017] The utility model has the following beneficial effects:
[0018] In the utility model, the motor drives the shaft to rotate, causing the eccentric wheel to move up and down, and the lifting shaft and support beam drive the hook to move up and down, applying a cyclic load to the handle of the test pot fixed on the hook to simulate the actual force. At the same time, the physical quantities of load size, number of cycles and handle deformation are converted into electrical signals through the lifting shaft and hook and transmitted to the control system for recording and storage for subsequent analysis and evaluation. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 This is a front view of a gantry-type handle anti-fatigue testing machine proposed by the utility model;
[0020] Figure 2 The present invention provides a schematic diagram of the partial structure of a gantry-type handle anti-fatigue testing machine.
[0021] Legend:
[0022] 1. Pallet; 2. Base; 3. Lifting shaft; 4. Support beam; 5. Gantry; 6. Hook; 7. Slider; 8. Bottom plate; 9. Eccentric wheel; 10. Bearing seat; 11. Shaft; 12. Motor; 13. Control cabinet; 14. Test pot. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0024] Reference Figure 1 and Figure 2 The utility model provides an embodiment: a gantry-type handle fatigue tester, comprising a base 2, a gantry 5 fixedly connected to the top of the base 2, a lifting shaft 3 fixedly connected to the left and right sides of the top of the base 2, a support beam 4 fixedly connected to the top of the lifting shaft 3, and hooks 6 slidably connected to the left and right sides of the bottom of the support beam 4, a motor 12 fixedly connected to the right side of the inner wall of the base 2, the output end of the motor 12 passes through the base 2 and is fixedly connected to the shaft 11, the left and right sides of the outer wall of the shaft 11 are fixedly connected to eccentric wheels 9, the top of the eccentric wheel 9 passes through the base 2 and is provided with a lifting shaft 3, a tray 1 is fixedly connected to the middle of the top of the base 2, and a test pot 14 is placed on the top of the tray 1;
[0025] Specifically, the gantry-type handle anti-fatigue testing machine drives the shaft 11 to rotate through the motor 12, causing the eccentric wheel 9 to move up and down, and drives the hook 6 to move up and down through the lifting shaft 3 and the support beam 4, and applies a cyclic load to the handle of the test pot 14 fixed on the hook 6 to simulate the actual force. At the same time, the physical quantities of load size, number of cycles and handle deformation are converted into electrical signals through the lifting shaft 3 and the hook 6 and transmitted to the control system for recording and storage for subsequent analysis and evaluation.
[0026] Reference Figure 1 and Figure 2 A control cabinet 13 is provided on the front side of the tray 1, and the control cabinet 13 is electrically connected to the motor 12; the left and right sides of the bottom of the inner wall of the shaft 11 are rotatably connected to the bearing seat 10;
[0027] Specifically, the start-up and operation of the motor 12 can be controlled by the control cabinet 13 , and the stability of the shaft 11 during rotation can be improved by the bearing seat 10 .
[0028] Reference Figure 1 and Figure 2 , the upper and lower sides of the outer wall of the lifting shaft 3 are slidably connected with sliders 7; the slider 7 is fixedly connected to the gantry 5; the bottom of the base 2 is fixedly connected to the bottom plate 8;
[0029] Specifically, the slider 7 can be used to limit the moving direction of the lifting shaft 3, thereby improving the stability of the lifting shaft 3 during movement, and the bottom plate 8 can be used to improve the structural strength of the device.
[0030] Working principle: Before using the device, first drive the shaft 11 to rotate through the motor 12, and the shaft 11 drives the eccentric wheels 9 on the left and right sides to rotate. The eccentric wheels 9 drive the lifting shaft 3 to move up and down, so that the hook 6 at the bottom of the support beam 4 moves up and down, realizing cyclic loading of the handle of the test pot 14, simulating the stress conditions in actual use. Starting the motor 12 can drive the shaft 11 to rotate. The top of the eccentric wheel 9 passes through the base 2 and is provided with a lifting shaft 3. The eccentric wheel 9 drives the tray 1 up and down with a stroke of 80mm. At the same time, the data during the test, such as the load size, number of cycles and handle deformation, are recorded in real time for subsequent analysis and evaluation.
[0031] 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 replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A gantry-type handle anti-fatigue testing machine, comprising a base (2), characterized in that: The top of the base (2) is fixedly connected to a gantry (5), the left and right sides of the top of the base (2) are fixedly connected to a lifting shaft (3), the top of the lifting shaft (3) is fixedly connected to a support beam (4), the left and right sides of the bottom of the support beam (4) are slidably connected to hooks (6), the right side of the inner wall of the base (2) is fixedly connected to a motor (12), the output end of the motor (12) passes through the base (2) and is fixedly connected to a shaft (11), the left and right sides of the outer wall of the shaft (11) are fixedly connected to eccentric wheels (9), the top of the eccentric wheel (9) passes through the base (2) and is provided with a lifting shaft (3), the middle part of the top of the base (2) is fixedly connected to a tray (1), and a test pot (14) is placed on the top of the tray (1).
2. A gantry-type handle anti-fatigue testing machine according to claim 1, characterized in that: A control cabinet (13) is provided on the front side of the tray (1), and the control cabinet (13) is electrically connected to the motor (12).
3. The gantry-type handle anti-fatigue testing machine according to claim 1, characterized in that: The left and right sides of the bottom of the inner wall of the shaft (11) are rotatably connected to bearing seats (10).
4. The gantry-type handle anti-fatigue testing machine according to claim 1, characterized in that: Slide blocks (7) are slidably connected to the upper and lower sides of the outer wall of the lifting shaft (3).
5. The gantry-type handle anti-fatigue testing machine according to claim 4, characterized in that: The slider (7) is fixedly connected to the gantry (5).
6. The gantry-type handle anti-fatigue testing machine according to claim 1, characterized in that: The bottom of the base (2) is fixedly connected to a bottom plate (8).