Spring high-pressure fatigue test device

Abstract

The utility model relates to the technical field of fatigue test equipment, in particular to a spring high-pressure fatigue test device, which comprises a base, a lifting seat, a rotating ring and a driving mechanism, according to the scheme, multiple springs can be tested at the same time, and the test efficiency is remarkably improved; due to the fact that tests can be carried out in batches, more springs can be processed in unit time, consumption of manpower and material resources is reduced, and therefore the test cost is reduced; a plurality of springs in the same batch can be tested under the same environmental condition, so that the consistency and comparability of test data are improved; due to the design of the rotating ring, loading and unloading of the spring are simpler and more convenient, and meanwhile, the risk of damage to the spring due to misoperation is also reduced; according to the utility model, the problems of inconveniences such as low test efficiency, high cost and complicated operation in the prior art are solved, and a more efficient, economical and accurate solution is provided for the fatigue test of the spring.

Description

Technical Field

[0001] The utility model relates to the technical field of fatigue test equipment, in particular to a spring strong pressure fatigue test device. Background Art

[0002] A spring is a mechanical part that uses elasticity to work. Parts made of elastic materials deform under the action of external forces and return to their original shape after the external force is removed. The spring fatigue test is an important method to evaluate the fatigue characteristics of springs during long-term use. By simulating the long-term load action of the spring under actual working conditions, key indicators such as the strength, stiffness and resilience of the spring are tested to evaluate its service life and durability. In the spring high-pressure fatigue test, a cyclic load is usually applied to the spring to observe its fatigue fracture. However, there are still some problems with the spring fatigue test device in the prior art. For example, the fatigue tester for spring testing disclosed in patent number CN202222192307.9, when conducting the test, a single spring fatigue test device can only test a single spring, resulting in low test efficiency, poor data comparability, and high test cost. In addition, the process of loading or unloading the spring fatigue test device is relatively troublesome, which affects the test efficiency.

[0003] Based on this, the applicant considered designing a spring high-pressure fatigue testing device that can test multiple springs simultaneously. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is: how to provide a spring high-pressure fatigue testing device capable of testing multiple springs at the same time.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A spring high pressure fatigue test device, comprising a base, a lifting seat, a rotating ring and a driving mechanism;

[0007] The base is fixedly arranged, the lifting seat is lifted and lowered above the base, and the driving mechanism drives the lifting seat to move up and down, so as to drive the lifting seat to approach or move away from the base;

[0008] The base and the lifting seat are provided with a plurality of limiting structures for limiting the two ends of the spring, and the rotating ring is rotatably arranged outside the base and the lifting seat, and the limiting structures are exposed or covered when the rotating ring rotates.

[0009] The working principle and advantages of the spring high pressure fatigue test device of this technical solution are:

[0010] The lifting seat can be lifted and lowered above the base by the drive of the driving mechanism, so that it is convenient to adjust the height of the compression space according to the size of different springs or test requirements to achieve compression or release of the spring; and the limiting structures on the base and the lifting seat are used to limit the two ends of the spring to ensure that the position of the spring is fixed during the compression or release test to prevent it from shifting or falling off, and the limiting structures include several, so that multiple springs can be installed between the base and the lifting seat at the same time, and multiple springs can be subjected to high pressure fatigue tests at the same time; and the rotating ring rotatably arranged on the outside of the base and the lifting seat can expose or cover the limiting structure when rotating, and when the limiting structure is exposed, it is convenient to load and remove the spring, and when the limiting structure is covered, it can prevent the spring in the limiting structure from bursting out; this scheme can be used at the same time Multiple springs can be tested at the same time, which significantly improves the test efficiency and saves a lot of time compared with the traditional single spring test method; since the test can be carried out in batches, more springs can be processed per unit time, reducing the consumption of manpower and material resources, thereby reducing the test cost; multiple springs in the same batch can be tested under the same environmental conditions, which improves the consistency and comparability of the test data; the design of the rotating ring makes the loading and unloading of the spring easier, and also reduces the risk of damage to the spring caused by improper operation; the utility model not only solves many inconveniences in the prior art, such as low test efficiency, high cost, cumbersome operation and other problems, but also provides a more efficient, economical and accurate solution for spring fatigue testing.

[0011] Furthermore, the limiting structure includes a first limiting groove and a second limiting groove for the two ends of the spring to extend into, a plurality of first limiting grooves arranged at intervals are opened on the top side edge of the base, and a plurality of second limiting grooves arranged at intervals are opened on the bottom side edge of the lifting seat.

[0012] Furthermore, a plurality of recessed portions corresponding to the limiting structures are formed on the top side of the rotating ring.

[0013] Furthermore, the base includes a cylindrical connecting portion, an outer wall of the cylindrical connecting portion is provided with an annular groove, the rotating ring is annular, and an inner wall of the rotating ring is protrudingly provided with a convex ring rotatably connected in the annular groove.

[0014] Furthermore, a plurality of handles are fixed on the outer side wall of the rotating ring.

[0015] Furthermore, the driving mechanism is a fixedly arranged telescopic member, the telescopic member comprises a telescopic end, and the telescopic end is fixedly connected to the lifting seat.

[0016] Furthermore, the telescopic member is fixedly arranged below the base, and a through hole for the telescopic end to pass through is opened at the center of the base.

[0017] Furthermore, it also includes a pedestal, the base is fixedly connected to the top side of the pedestal, and the telescopic member is fixedly connected to the bottom side of the pedestal.

[0018] Furthermore, the outer side wall of the base is provided with a plurality of connecting support plates, and the connecting support plates are detachably connected to the pedestal.

[0019] Furthermore, a plurality of supporting legs are fixedly connected to the bottom of the pedestal. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The three-dimensional structure diagram of the spring strong pressure fatigue test device of the utility model embodiment is shown in FIG. Figure 1 ;

[0021] Figure 2 The three-dimensional structure diagram of the spring strong pressure fatigue test device of the utility model embodiment is shown in FIG. Figure 2 ;

[0022] Figure 3 The three-dimensional structure diagram of the spring strong pressure fatigue test device of the utility model embodiment is shown in FIG. Figure 3 ;

[0023] Figure 4 This is a front view structural schematic diagram of a spring strong pressure fatigue test device according to an embodiment of the utility model;

[0024] Figure 5 This is a schematic diagram of the top view of the spring strong pressure fatigue test device according to the embodiment of the utility model;

[0025] Figure 6 The three-dimensional structure diagram of the spring pressure fatigue test device (excluding the rotating ring) of the utility model embodiment is shown in FIG. Figure 4 ;

[0026] Figure 7 This is a schematic diagram of the top view of the rotating ring of an embodiment of the utility model;

[0027] In the above drawings: 100, pedestal; 110, supporting legs;

[0028] 200, base; 210, first limiting groove; 220, connecting support plate; 230, annular groove;

[0029] 300, lifting seat; 310, second limiting groove;

[0030] 400, rotating ring; 410, convex ring; 420, recessed portion; 430, handle;

[0031] 500, telescopic member; 510, telescopic end. DETAILED DESCRIPTION

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] Refer to Figure 1 to Figure 7 , this embodiment provides a spring strong pressure fatigue test device, which includes a base 200, a lifting seat 300, a rotating ring 400 and a driving mechanism;

[0034] The base 200 is fixedly arranged, and the lifting seat 300 is lifted and arranged above the base 200. The driving mechanism drives the lifting seat 300 to move up and down, so as to drive the lifting seat 300 to move closer to or away from the base 200;

[0035] The base 200 and the lifting seat 300 are provided with a plurality of limiting structures for limiting both ends of the spring. The rotating ring 400 is rotatably arranged outside the base 200 and the lifting seat 300. When the rotating ring 400 rotates, the limiting structures and the springs between the limiting structures are exposed or covered.

[0036] In this embodiment, the lifting seat 300 can be lifted and lowered above the base 200 by the drive of the driving mechanism, so that it is convenient to adjust the height of the compression space according to the size of different springs or test requirements to achieve compression or release of the spring; and the limiting structures on the base 200 and the lifting seat 300 are used to limit the two ends of the spring to ensure that the position of the spring is fixed during the compression or release test to prevent it from shifting or falling off, and the limiting structures include several, and multiple springs can be installed between the base 200 and the lifting seat 300 at the same time, and multiple springs can be subjected to strong pressure fatigue tests at the same time; and the rotating ring 400 rotatably arranged on the outside of the base 200 and the lifting seat 300 can expose or cover the limiting structure when rotating, and when the limiting structure and the springs between the limiting structures are exposed, it is convenient to load and remove the springs, and when the limiting structure is covered, it can Prevent the spring in the confining structure from bursting out; this solution can test multiple springs at the same time, significantly improving the efficiency of the test, and saving a lot of time compared to the traditional single spring testing method; since the test can be carried out in batches, more springs can be processed per unit time, reducing the consumption of manpower and material resources, thereby reducing the test cost; multiple springs in the same batch can be tested under the same environmental conditions, which improves the consistency and comparability of the test data; the design of the rotating ring 400 makes the loading and unloading of the spring easier, while also reducing the risk of damage to the spring due to improper operation; the utility model not only solves many inconveniences in the prior art, such as low test efficiency, high cost, cumbersome operation and other problems, but also provides a more efficient, economical and accurate solution for spring fatigue testing.

[0037] Preferably, if Figure 1 , Figure 2 , Figure 4 as well as Figure 6 As shown, the limiting structure includes a first limiting groove 210 and a second limiting groove 310 for the two ends of the spring to extend into, a plurality of first limiting grooves 210 arranged at intervals are opened on the top side edge of the base 200, and a plurality of second limiting grooves 310 arranged at intervals are opened on the bottom side edge of the lifting seat 300; the first limiting groove 210 and the second limiting groove 310 are respectively opened on the top side of the base 200 and the bottom side of the lifting seat 300, and when the spring is loaded into the spring high pressure fatigue test device, the two ends of the spring are directly pushed into the first limiting groove 210 and the second limiting groove 310 respectively, without compressing the spring, thereby facilitating the loading and removal of the spring.

[0038] Preferably, if Figure 1 , Figure 2 , Figure 4 , Figure 5 as well as Figure 7As shown, a plurality of recessed portions 420 corresponding to the limiting structures are provided on the top side of the rotating ring 400; the rotating ring 400 exposes the limiting structures by providing the recessed portions 420 thereon, and when the rotating ring 400 is rotated until the recessed portions 420 correspond to the limiting structures, the limiting structures and the springs between the limiting structures, i.e., the first limiting groove 210 and the second limiting groove 310 mentioned above, are exposed, thereby facilitating the loading and unloading of the springs.

[0039] Preferably, if Figure 6 and Figure 7 As shown, the base 200 includes a cylindrical connecting portion, an annular groove 230 is provided on the outer wall of the cylindrical connecting portion, the rotating ring 400 is annular, and a convex ring 410 rotatably connected in the annular groove 230 is protruded from the inner wall of the rotating ring 400; the rotating ring 400 cooperates with the annular groove 230 on the base 200 through the convex ring 410 thereon to realize the rotating installation of the rotating ring 400.

[0040] Preferably, if Figure 1 , Figure 2 , Figure 4 , Figure 5 as well as Figure 7 As shown, a plurality of handles 430 are fixed to the outer wall of the rotating ring 400 ; the handles 430 on the rotating ring 400 facilitate the staff to rotate the rotating ring 400 .

[0041] Preferably, if Figure 1 , Figure 2 , Figure 4 as well as Figure 6 As shown, the driving mechanism is a fixedly arranged telescopic member 500, and the telescopic member 500 includes a telescopic end 510, and the telescopic end 510 is fixedly connected to the lifting seat 300; the lifting seat 300 is lifted and lowered stably and reliably by the extension and retraction of the telescopic member 500; specifically, the telescopic member 500 is fixedly arranged below the base 200, and a through hole for the telescopic end 510 to pass through is opened at the center of the base 200; the telescopic end 510 of the telescopic member 500 passes through the center of the base 200 and is fixedly connected at the center of the lifting seat 300 to ensure stable lifting and lowering of the lifting seat 300. Of course, multiple telescopic members 500 can also be arranged to drive the lifting seat 300 to lift and lower.

[0042] Preferably, if Figure 1 to Figure 6As shown, the spring high-pressure fatigue test device also includes a pedestal 100, a base 200 is fixedly connected to the top side of the pedestal 100, and a telescopic member 500 is fixedly connected to the bottom side of the pedestal 100; a plurality of connecting support plates 220 are provided on the outer wall of the base 200, and the connecting support plates 220 are detachably connected to the pedestal 100; a plurality of supporting legs 110 are fixedly connected to the bottom of the pedestal 100; the telescopic member 500 and the base 200 are fixedly connected together through the pedestal 100, so as to improve the integrity of the spring high-pressure fatigue test device. Specifically, a hole is provided on the pedestal 100 for the telescopic end 510 of the telescopic member 500 to pass through, and the base 200 is detachably connected to the pedestal 100 through a plurality of connecting support plates 220 thereon, so as to facilitate the installation, disassembly and maintenance of the spring high-pressure fatigue test device; the plurality of supporting legs 110 at the bottom of the pedestal 100 can allow the spring high-pressure fatigue test device to be placed stably as a whole.

[0043] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. Spring high pressure fatigue test device, characterized in that: It includes a base, a lifting seat, a rotating ring and a driving mechanism; The base is fixedly arranged, the lifting seat is lifted and lowered above the base, and the driving mechanism drives the lifting seat to move up and down, so as to drive the lifting seat to approach or move away from the base; The base and the lifting seat are provided with a plurality of limiting structures for limiting the two ends of the spring, and the rotating ring is rotatably arranged outside the base and the lifting seat, and the limiting structures are exposed or covered when the rotating ring rotates.

2. The spring high pressure fatigue test device according to claim 1, characterized in that: The limiting structure includes a first limiting groove and a second limiting groove for the two ends of the spring to extend into, a plurality of first limiting grooves arranged at intervals are opened on the top side edge of the base, and a plurality of second limiting grooves arranged at intervals are opened on the bottom side edge of the lifting seat.

3. The spring compression fatigue test device according to claim 2, characterized in that: A plurality of recessed portions corresponding to the limiting structures are formed on the top side of the rotating ring.

4. The spring high pressure fatigue test device according to claim 1, characterized in that: The base comprises a cylindrical connecting portion, an annular groove is formed on the outer side wall of the cylindrical connecting portion, the rotating ring is annular, and a convex ring rotatably connected in the annular groove is protruded from the inner side wall of the rotating ring.

5. The spring high pressure fatigue test device according to claim 1, characterized in that: A plurality of handles are fixed on the outer side wall of the rotating ring.

6. The spring high pressure fatigue test device according to claim 1, characterized in that: The driving mechanism is a fixedly arranged telescopic member, wherein the telescopic member comprises a telescopic end, and the telescopic end is fixedly connected to the lifting seat.

7. The spring high pressure fatigue test device according to claim 6, characterized in that: The telescopic member is fixedly arranged below the base, and a through hole for the telescopic end to pass through is opened at the center of the base.

8. The spring high pressure fatigue test device according to claim 7, characterized in that: It also includes a pedestal, the base is fixedly connected to the top side of the pedestal, and the telescopic member is fixedly connected to the bottom side of the pedestal.

9. The spring high pressure fatigue test device according to claim 8, characterized in that: The outer side wall of the base is provided with a plurality of connecting support plates, and the connecting support plates are detachably connected to the pedestal.

10. The spring high pressure fatigue test device according to claim 9, characterized in that: A plurality of supporting legs are fixedly connected to the bottom of the pedestal.

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