Step pin shaft fatigue test device
By designing a step pin fatigue test device, the problem that existing pin shaft detection equipment can only detect single diameter pin shafts is solved, and convenient, flexible and low-cost step pin shaft detection is achieved, which is suitable for sampling inspection on the production line.
Patent Information
- Application Number
- CN202422443859.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-10
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-10
AI Technical Summary
Existing pin shaft detection equipment can only detect single diameter pin shafts, poor installation flexibility, large equipment size and high cost, and cannot be used conveniently on the production line.
A step pin fatigue testing device is designed, including an adjustable speed motor, a roller mount, a main body with a safety roller, a step shaft main body and a counter module, which can adapt to the convenient detection of step pins and be installed on the production line for sampling and testing.
It realizes convenient inspection of step pins, reduces equipment costs, improves installation flexibility, is suitable for sampling inspection on production lines, and enhances the flexibility and accuracy of use.
Smart Images
Figure CN223179757U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pin detection, in particular to a fatigue test device for a stepped pin. Background Art
[0002] The pin is an important structural component in chain products. During use, the pin plays an important role in the safety of the chain. When manufacturing and processing the pin, the anti-fatigue detection of the pin usually needs to be completed in cooperation with special detection equipment. The existing detection equipment can only detect pins with a single diameter during use, and the cost during detection is relatively high. The flexibility of the matching position between the detection equipment and the pin during installation is relatively poor. The overall volume of the detection equipment is relatively large, and the convenience during use is also relatively poor. It cannot be conveniently used in cooperation on the production line and usually needs to be completed in a separate detection room. Summary of the Utility Model
[0003] The purpose of the utility model is to provide a fatigue test device for a stepped pin, which has a simple overall structure, occupies less space during use, can meet the convenient detection of stepped pins, has stronger installation flexibility during overall cooperation, lower production and use costs, can be installed on existing processing equipment on the production line as needed during use, can perform sampling detection during the production process, has stronger flexibility during use, and lower overall detection costs.
[0004] The technical solution of the utility model is as follows:
[0005] A fatigue test device for a stepped pin shaft, characterized in that it includes a workbench surface, an adjustable-speed motor is provided at the upper end of the workbench surface, a pair of symmetrical roller mating mounts are respectively provided on the left and right sides of the upper end of the workbench surface, and the outer end surfaces of the roller mating mounts in the left-right direction coincide with the outer end surfaces of the corresponding positions of the workbench surface in the left-right direction. A main body mating safety roller is installed on the roller mating mount, a long pin shaft structure to be detected is installed at the central axis position of the main body mating safety roller, the long pin shaft structure to be detected is connected and mated with the main body mating safety roller and passes through the outside of the main body mating safety roller. The left and right long pin shaft structures to be detected are installed on a step shaft main body, a transmission mating column connected to the adjustable-speed motor by a belt is provided on the step shaft main body, combined placement connection holes mating with the long pin shaft structure to be detected are provided on the left and right sides of the step shaft main body, after the long pin shaft structure to be detected is inserted and mated with the step shaft main body, it is tightly connected by a fastening bolt through a fastening threaded hole on the outside. A counting mating detection structure is provided on the step shaft main body, a counter module is provided on the workbench surface, a bearing assembly is connected to the position where the outside of the long pin shaft structure to be detected exceeds the outer end of the workbench surface in the left-right direction, and a load mating hanging groove is provided at the lower end of the bearing assembly.
[0006] Further, a combined limit installation placement groove is provided at the lower end of the workbench surface.
[0007] Further, a load placement convenient hanging hook structure is connected to the lower end of the load mating hanging groove.
[0008] Further, a detachable integral installation combined guide rail assembly is provided at the lower end of the workbench surface, and the size of the upper end position of the integral installation combined guide rail assembly is smaller than the size of the lower end position.
[0009] Further, a spare reinforcement support mating frame mating with the step shaft main body is provided on the upper end surface of the workbench surface.
[0010] The beneficial effects of the present utility model:
[0011] The overall structure of the present utility model is simple, occupies less space during use, can meet the convenient detection of stepped pin shafts, has stronger installation flexibility during overall mating, has lower production and use costs of the device. It can be installed on existing processing equipment on the production line according to needs during use, can perform sampling detection during the production process, has stronger flexibility during use, and has lower overall detection costs. Its use effectively solves the technical problems such as difficult movement of equipment and poor flexibility in use in the prior art. Description of the Drawings
[0012] Figure 1Front view schematic diagram of the present utility model;
[0013] Figure 2 Top view schematic diagram of the present utility model;
[0014] In the figure: 1, workbench surface; 2, adjustable speed motor; 3, roller mating mounting seat; 4, main body mating safety roller; 5, long pin shaft structure to be detected; 6, stepped shaft main body; 7, counter module; 8, bearing assembly; 9, belt. Detailed implementation manner
[0015] Such as Figure 1 And Figure 2As shown in the figure, a fatigue test device for a stepped pin shaft includes a workbench surface 1. An adjustable-speed motor 2 is provided at the upper end of the workbench surface 1. A pair of symmetrical roller mating mounts 3 are respectively provided on the left and right sides at the upper end of the workbench surface 1, making the installation and mating operation more convenient during combination. The outer end faces of the roller mating mounts 3 in the left-right direction coincide with the corresponding outer end faces of the workbench surface 1 in the left-right direction, ensuring better flatness at the outer position. A main body mating safety roller 4 is installed on the roller mating mount 3, which can provide guiding mating for the pin shaft during the detection process, ensuring better stability during rotation. A long pin shaft structure 5 to be detected is installed at the central axis position of the main body mating safety roller 4. The long pin shaft structure 5 to be detected is connected and mated with the main body mating safety roller 4 and passes through the outside of the main body mating safety roller 4. The passing-out position facilitates the later mating of the load. The two long pin shaft structures 5 to be detected on the left and right are installed on a step shaft main body 6. A transmission mating column connected to the adjustable-speed motor 2 by a belt 9 is provided on the step shaft main body 6. Combined placement connection holes mating with the long pin shaft structure 5 to be detected are provided on the left and right sides of the step shaft main body 6. After the long pin shaft structure 5 to be detected is inserted and mated with the step shaft main body 6, it is fastened and connected by a fastening bolt through a fastening threaded hole on the outside, ensuring more convenient combined operation at the connection position and meeting the detection and mating requirements of the stepped pin shaft during use. A counting mating detection structure is provided on the step shaft main body 6, and a counter module 7 is provided on the workbench surface 1, which can accurately count the number of rotations during the detection process. A bearing assembly 8 is connected to the position where the outer side of the long pin shaft structure 5 to be detected extends beyond the outer end of the workbench surface 1 in the left-right direction. A load mating hanging groove is provided at the lower end of the bearing assembly 8, which can be connected and mated with a load product, enabling the pin shaft to be detected to have an accurate load during detection and ensuring the accuracy of the test. Its overall structure is simple, it occupies less space during use, it can meet the convenient detection of the stepped pin shaft, the installation flexibility during overall mating is stronger, the production and use costs of the device are lower. It can be installed on existing processing equipment on the production line as needed during use, can perform sampling detection during the production process, has stronger flexibility during use, and the overall detection cost is lower.
[0016] Preferably, a combined limit installation placement groove is provided at the lower end of the workbench surface 1, which can be combined with a mating placement rack during installation. The mating stability during installation is relatively reliable, and the installation and mating during combination are also relatively convenient.
[0017] Preferably, a load mating hanging groove is connected to a load placement convenient hook structure at the lower end, which is more convenient during loading, has a larger mating space, and different weights of loads can be flexibly replaced as needed.
[0018] Preferably, a detachable integral mounting combined guide rail assembly is provided at the lower end of the workbench surface 1. The size of the upper end position of the integral mounting combined guide rail assembly is smaller than that of the lower end position, and it can be matched with a slide rail assembly as required, enabling the whole to move flexibly as needed during use. The anti-disengagement safety at the matching position is more reliable, and the convenience and safety during use are stronger.
[0019] Preferably, a spare reinforcement support fitting frame matched with the step shaft main body 6 is provided on the upper end surface of the workbench surface 1, and the structure at the middle position can be reinforced and combined as required, and its application range during use is wider.
[0020] The above is the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art of this technology, without departing from the principle of the present invention, several improvements or substitutions can be made, and these improvements or substitutions should also be regarded as the protection scope of the present invention.
Claims
1. A fatigue test device for a stepped pin shaft, characterized in that: It includes a workbench surface (1), an adjustable-speed motor (2) is provided at the upper end of the workbench surface (1), a pair of symmetrical roller mating mounts (3) are respectively provided on the left and right sides at the upper end of the workbench surface (1), the outer end faces of the roller mating mounts (3) in the left-right direction coincide with the outer end faces of the corresponding positions of the workbench surface (1) in the left-right direction, a main body mating safety roller (4) is installed on the roller mating mount (3), a long pin shaft structure to be detected (5) is installed at the central axis position of the main body mating safety roller (4), the long pin shaft structure to be detected (5) is connected and fitted with the main body mating safety roller (4) and passes out from the outside of the main body mating safety roller (4), the left and right long pin shaft structures to be detected (5) are installed on a step shaft main body (6), a transmission mating column connected to the adjustable-speed motor (2) by a belt (9) is provided on the step shaft main body (6), combined placement connection holes mating with the long pin shaft structure to be detected (5) are provided on the left and right sides of the step shaft main body (6), after the long pin shaft structure to be detected (5) and the step shaft main body (6) are inserted and fitted, they are tightly connected by a fastening bolt through a fastening threaded hole on the outside, a counting mating detection structure is provided on the step shaft main body (6), a counter module (7) is provided on the workbench surface (1), a bearing assembly (8) is connected to the position where the outer side of the long pin shaft structure to be detected (5) extends beyond the outer end of the workbench surface (1) in the left-right direction, and a load mating hanging groove is provided at the lower end of the bearing assembly (8).
2. The fatigue test device for a stepped pin shaft according to claim 1, wherein: A combined limit installation placement groove is provided at the lower end of the workbench surface (1).
3. The fatigue test device for a stepped pin shaft according to claim 1, characterized in that: A load placement convenient hook structure is connected to the lower end of the load mating hanging groove.
4. A stepped pin fatigue test device according to claim 1, characterized in that: A detachable integral installation combined guide rail assembly is provided at the lower end of the workbench surface (1), and the dimension of the upper end position of the integral installation combined guide rail assembly is smaller than that of the lower end position.
5. The fatigue test device for a stepped pin shaft according to claim 1, wherein: A spare reinforcement support mating frame mating with the step shaft main body (6) is provided on the upper end surface of the workbench surface (1).