An oval cross-section valve spring detection device

Abstract

The utility model discloses an oval cross section valve spring detection device relates to spring detection technical field, the utility model discloses a base is established, the base inside is provided with the sliding slot, be provided with the fixed mechanism on the base, be provided with the detection mechanism on the base, the fixed mechanism includes the fixed frame, the fixed frame top fixedly connected with the limit plate, the limit plate inner wall rotationally connected with the worm, the utility model discloses the spring of being measured is clamped to fixed mechanism, first, the spring of being measured is placed between two clamps, then worm is rotated, worm will make worm gear rotate at this moment, after worm gear will drive threaded rod one rotation, then the rotation of threaded rod one will make two movement bars make the movement of mutual approach, make the movement bar drive the shift of connecting column, then connecting column will drive the shift of clamp, this mechanism can be to the stable clamping of spring of being measured, ensure that it will not be interfered from outside, and then influence the accuracy of subsequent test.

Description

Technical Field

[0001] This utility model relates to the field of spring testing, specifically to a valve spring testing device with an oval cross-section. Background Technology

[0002] The oval cross-section valve spring testing device is a device used to test valve springs, especially to check the shape, size and elasticity of the spring. Its "oval cross-section" refers to the fact that the cross-sectional shape of the valve spring is like an egg. This shape helps to optimize the force distribution of the spring and enhance the spring's durability and working efficiency.

[0003] However, existing equipment has the following drawbacks:

[0004] (1) When the existing equipment performs a tensile test on the spring, the spring may not remain stable during the test process, which may be affected by external interference, resulting in inaccurate data during the spring tensile test. Therefore, it is necessary to clamp the spring stably to ensure that it is not affected by external interference.

[0005] (2) When performing tensile tests on springs, existing equipment often only tests one part of the spring, which may not discover potential problems in other parts of the spring, resulting in inaccurate test data. Utility Model Content

[0006] In order to solve one or more technical problems existing in the prior art, one of the objectives of this application is to provide an oval cross-section valve spring testing device, which stably clamps the spring during spring testing to prevent it from being disturbed by external factors and ensure the accuracy of the test data.

[0007] The second objective of this application is to provide an oval-shaped cross-section valve spring testing device that can test all parts of the spring and discover potential problems in other parts of the spring.

[0008] To address the aforementioned technical problems, one of the objectives of this application is achieved through the following technical solution:

[0009] This utility model is a valve spring detection device with an oval cross section, including a base, a sliding groove inside the base, a fixing mechanism on the base, and a detection mechanism on the base;

[0010] The fixing mechanism includes a fixing frame, a limiting plate fixedly connected to the top of the fixing frame, a worm gear rotatably connected to the inner wall of the limiting plate, a worm wheel meshing with the outer surface of the worm gear, a threaded rod fixedly connected to the bottom of the worm wheel, a limiting strip rotatably connected to the outer surface of the threaded rod, a moving strip threadedly connected to the outer surface of the threaded rod, a connecting column fixedly connected to the inner wall of the moving strip, a clamping plate fixedly connected to the end of the connecting column away from the moving strip, a telescopic cylinder fixedly connected to the side of the clamping plate away from each other, and a spring fixedly connected to the side of the clamping plate near the telescopic cylinder.

[0011] Optionally, the outer surface of the limiting strip is fixedly connected to the outer surface of the fixed frame, two moving strips are provided, the outer surface of the moving strips contains the same parts, and the outer surface of the clamping plate is slidably connected to the inner wall of the fixed frame.

[0012] Optionally, the end of the telescopic cylinder away from the clamping plate is fixedly connected to the inner wall of the fixed frame, the end of the spring away from the clamping plate is fixedly connected to the inner wall of the fixed frame, and the inner side of the spring is sleeved with the outer surface of the telescopic cylinder.

[0013] The second objective of this application is achieved through the following technical solution:

[0014] Optionally, the detection mechanism includes a slide bar fixedly connected to the bottom of the fixed frame, the outer surface of the slide bar being slidably connected to the inner wall of the slide groove, a fixed block being fixedly connected to the top of the base, and a hydraulic device being fixedly connected to the inner wall of the fixed block.

[0015] Optionally, the hydraulic output shaft is fixedly connected to a hydraulic rod via a coupling, and the end of the hydraulic rod away from the hydraulic device is fixedly connected to the outer surface of the fixed frame.

[0016] Optionally, a controller is fixedly connected to the side of the fixing block near the hydraulic device, and a connecting frame is fixedly connected to the outer surface of the base.

[0017] Optionally, a threaded rod two is rotatably connected to the inner wall of the connecting frame, and an L-shaped block is threadedly connected to the outer surface of the threaded rod two.

[0018] Optionally, the outer surface of the L-shaped block is slidably connected to the inner wall of the connecting frame, and a detector is fixedly connected to the inner wall of the L-shaped block.

[0019] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0020] (1) This utility model clamps the spring to be tested through a fixing mechanism. First, the spring to be tested is placed between two clamping plates, and then the worm is rotated. At this time, the worm will cause the worm wheel to rotate, and then the worm wheel will drive the threaded rod to rotate. Then the rotation of the threaded rod will cause the two moving strips to move closer to each other, so that the moving strips drive the connecting column to move, and then the connecting column will drive the clamping plate to move. This mechanism can stably clamp the spring to be tested, ensuring that it will not be affected by external interference, thereby affecting the accuracy of subsequent tests.

[0021] (2) This utility model starts the hydraulic device through the controller, so that the hydraulic rod moves and drives the slide bar to slide in the slide groove to perform a tensile test on the spring to be tested. After the stretching is completed, the threaded rod is manually rotated to move the L-shaped block in the connecting frame, which in turn drives the detector to move above the spring to be tested and to test the stretched spring. This mechanism can make the detector move and test all parts of the stretched spring, making the test data more accurate. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the clamping plate structure of this utility model;

[0024] Figure 3 This is a schematic diagram of the slider structure of this utility model;

[0025] Figure 4 This is a schematic diagram of the connecting frame structure of this utility model;

[0026] Figure 5 This is a schematic diagram of the detector structure of this utility model.

[0027] In the diagram: 101, base; 102, slide groove; 2, fixing mechanism; 201, fixing frame; 202, limiting plate; 203, worm gear; 204, worm wheel; 205, threaded rod one; 206, limiting strip; 207, moving strip; 208, connecting column; 209, clamping plate; 210, telescopic cylinder; 211, spring; 3, detection mechanism; 301, slide bar; 302, hydraulic device; 303, fixing block; 304, hydraulic rod; 305, controller; 306, connecting frame; 307, threaded rod two; 308, L-shaped block; 309, detector. Detailed Implementation

[0028] The present application will now be further described in conjunction with the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0029] In the description of this application, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0030] The terms "first," "second," etc., used in this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class, without limiting the number of objects; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0031] Example 1:

[0032] Please see Figure 1-5 As shown, this utility model is an oval cross-section valve spring detection device, including a base 101, a sliding groove 102 is provided inside the base 101, a fixing mechanism 2 is provided on the base 101, and a detection mechanism 3 is provided on the base 101.

[0033] The fixing mechanism 2 includes a fixing frame 201. A limit plate 202 is fixedly connected to the top of the fixing frame 201. A worm gear 203 is rotatably connected to the inner wall of the limit plate 202. A worm wheel 204 meshes with the outer surface of the worm gear 203. A threaded rod 205 is fixedly connected to the bottom of the worm wheel 204. By setting the worm gear 203, manually rotating the worm gear 203 will drive the worm wheel 204 to rotate. When the worm wheel 204 rotates, it will drive the threaded rod 205 to rotate. A limit strip 206 is rotatably connected to the outer surface of the threaded rod 205. A moving strip 207 is threadedly connected to the outer surface of the threaded rod 205. A connecting post 208 is fixedly connected to the inner wall of the moving strip 207. A clamping plate 209 is fixedly connected to the end of the connecting post 208 away from the moving strip 207. By setting the clamping plate 209, the surface of the clamping plate 209 is coated with a rubber coating to prevent direct contact with the metal surface of the spring and avoid scratching the spring. The clamping plates 209 have indentations and good friction, which can firmly clamp the spring. A telescopic cylinder 210 is fixedly connected to the side of the clamping plates 209 that is far away from each other, and a spring 211 is fixedly connected to the side of the clamping plates 209 that is close to the telescopic cylinder 210. The outer surface of the limiting strip 206 is fixedly connected to the outer surface of the fixed frame 201. There are two moving strips 207. By setting the spring 211, the clamping plates 209 are squeezed, which can strengthen the clamping force of the clamping plates 209 on the spring under test and prevent the spring from accidentally falling off during the test. The outer surface of the moving strip 207 contains the same parts. The outer surface of the clamping plates 209 is slidably connected to the inner wall of the fixed frame 201. The end of the telescopic cylinder 210 that is far away from the clamping plates 209 is fixedly connected to the inner wall of the fixed frame 201. The end of the spring 211 that is far away from the clamping plates 209 is fixedly connected to the inner wall of the fixed frame 201. The inner side of the spring 211 is sleeved with the outer surface of the telescopic cylinder 210.

[0034] Example 2:

[0035] Please see Figure 1-5 As shown, this utility model is an oval cross-section valve spring testing device. The testing mechanism 3 includes a slide bar 301 fixedly connected to the bottom of the fixed frame 201. The outer surface of the slide bar 301 is slidably connected to the inner wall of the slide groove 102. A fixed block 303 is fixedly connected to the top of the base 101. A hydraulic device 302 is fixedly connected to the inner wall of the fixed block 303. By setting the slide groove 102, when the slide bar 301 is moved, the direction of movement of the slide bar 301 can be limited to ensure that it is in a straight line during the movement process, thus ensuring the accuracy of the test data. The output shaft of the hydraulic device 302 is fixedly connected to a hydraulic rod 304 through a coupling. The end of the hydraulic rod 304 away from the hydraulic device 302 is fixedly connected to the outer surface of the fixed frame 201. A controller 305 is fixedly connected to the side of the fixed block 303 near the hydraulic device 302. A connecting frame 306 is fixedly connected to the outer surface of the base 101.

[0036] A threaded rod 307 is rotatably connected to the inner wall of the connecting frame 306. An L-shaped block 308 is threadedly connected to the outer surface of the threaded rod 307. The outer surface of the L-shaped block 308 is slidably connected to the inner wall of the connecting frame 306. A detector 309 is fixedly connected to the inner wall of the L-shaped block 308. By setting the detector 309, it can scan the cross-section of the valve spring with a laser beam and obtain the shape data of the cross-section by using the reflected light.

[0037] One specific application of this embodiment is:

[0038] When the operator needs to use the equipment, firstly, the spring to be tested is clamped by the fixing mechanism 2. The spring is placed between the two clamping plates 209, and then the worm gear 203 is rotated. This causes the worm wheel 204 to rotate, which in turn drives the threaded rod 205 to rotate. The rotation of the threaded rod 205 causes the two moving bars 207 to move closer together, thus moving the connecting column 208. The connecting column 208 then moves the clamping plates 209. At this point, the spring 211, which was originally compressed, pushes the clamping plates 209. Simultaneously, the telescopic cylinder 210 is stretched due to the movement of the clamping plates 209, causing the clamping plates 209 to move towards the spring to be tested. The spring is clamped, ensuring stable clamping and preventing external interference that could affect the accuracy of subsequent tests. Then, the controller 305 activates the hydraulic actuator 302, causing the hydraulic rod 304 to move, which in turn moves the slide bar 301 within the slide groove 102 to perform a tensile test on the spring. After stretching, the threaded rod 307 is manually rotated, causing the L-shaped block 308 to move within the connecting frame 306, which in turn moves the detector 309 above the spring to perform a test on the stretched spring. This mechanism allows the detector 309 to move and test all parts of the stretched spring, resulting in more accurate test data.

[0039] The above embodiments are merely preferred embodiments of this application and should not be construed as limiting the scope of protection of this application. Any non-substantial changes and substitutions made by those skilled in the art based on this application shall fall within the scope of protection claimed by this application.

Claims

1. An oval-shaped cross-section valve spring detection device, comprising a base (101), characterized in that: The base (101) has a sliding groove (102) inside, a fixing mechanism (2) is provided on the base (101), and a detection mechanism (3) is provided on the base (101). The fixing mechanism (2) includes a fixing frame (201), a limiting plate (202) is fixedly connected to the top of the fixing frame (201), a worm gear (203) is rotatably connected to the inner wall of the limiting plate (202), a worm wheel (204) is meshed on the outer surface of the worm gear (203), a threaded rod (205) is fixedly connected to the bottom of the worm wheel (204), a limiting strip (206) is rotatably connected to the outer surface of the threaded rod (205), a moving strip (207) is threadedly connected to the outer surface of the threaded rod (205), a connecting column (208) is fixedly connected to the inner wall of the moving strip (207), a clamping plate (209) is fixedly connected to the end of the connecting column (208) away from the moving strip (207), a telescopic cylinder (210) is fixedly connected to the side of the clamping plate (209) away from each other, and a spring (211) is fixedly connected to the side of the clamping plate (209) close to the telescopic cylinder (210).

2. The oval-section valve spring detection device according to claim 1, characterized in that: The outer surface of the limiting strip (206) is fixedly connected to the outer surface of the fixed frame (201). There are two moving strips (207). The outer surface of the moving strip (207) contains the same parts. The outer surface of the clamp (209) is slidably connected to the inner wall of the fixed frame (201).

3. The oval-section valve spring detection device according to claim 1, characterized in that: The end of the telescopic cylinder (210) away from the clamping plate (209) is fixedly connected to the inner wall of the fixed frame (201), and the end of the spring (211) away from the clamping plate (209) is fixedly connected to the inner wall of the fixed frame (201). The inner side of the spring (211) is sleeved with the outer surface of the telescopic cylinder (210).

4. The oval-section valve spring detection device according to claim 3, characterized in that: The detection mechanism (3) includes a slide bar (301) fixedly connected to the bottom of the fixed frame (201). The outer surface of the slide bar (301) is slidably connected to the inner wall of the slide groove (102). A fixing block (303) is fixedly connected to the top of the base (101). A hydraulic device (302) is fixedly connected to the inner wall of the fixing block (303).

5. The oval-section valve spring detection device according to claim 4, characterized in that: The output shaft of the hydraulic device (302) is fixedly connected to a hydraulic rod (304) via a coupling. The end of the hydraulic rod (304) away from the hydraulic device (302) is fixedly connected to the outer surface of the fixed frame (201).

6. The oval-section valve spring detection device according to claim 5, characterized in that: The controller (305) is fixedly connected to the side of the fixed block (303) near the hydraulic device (302), and the connecting frame (306) is fixedly connected to the outer surface of the base (101).

7. The oval-section valve spring detection device according to claim 6, characterized in that: The inner wall of the connecting frame (306) is rotatably connected to a threaded rod (307), and the outer surface of the threaded rod (307) is threadedly connected to an L-shaped block (308).

8. The oval cross-section valve spring detection device according to claim 7, characterized in that: The outer surface of the L-shaped block (308) is slidably connected to the inner wall of the connecting frame (306), and a detector (309) is fixedly connected to the inner wall of the L-shaped block (308).

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