Belleville spring set pre-pressing assembling device

Abstract

The utility model discloses a belleville spring set prepressing assembling device which comprises a lower sleeve and an upper sleeve, the top end of the lower sleeve is fixedly connected with a telescopic plate, the outer side of the telescopic plate is provided with a second external thread, the top end of the telescopic plate is provided with the upper sleeve, the upper sleeve is internally provided with a recycling thread groove, and the recycling thread groove is provided with a second external thread. The bottom end of the lower sleeve is provided with a first external thread, the bottom end of the lower sleeve is provided with a supporting bottom cover, the supporting bottom cover is in threaded fit with the first external thread, and the top end of the upper sleeve is fixedly connected with an arc-shaped plate. By arranging a supporting bottom cover, an upper sleeve, a lower sleeve and a fastening plate, the supporting bottom cover is detached when the device needs to be used, then the upper sleeve and the lower sleeve are arranged outside an installed column in a sleeving mode, and at the moment, a groove frame can be taken out through outward extrusion of a side fixing plate, recovery of a clamping spring and separation of a plug pin block from a plug pin hole.

Description

Technical Field

[0001] The utility model relates to the technical field of preloading assembly of disc springs, and particularly relates to a preloading assembly device for a disc spring group. Background Art

[0002] A large number of spherical plain bearings need to be assembled on the roofs of airport terminals, gymnasiums, theaters, exhibition halls, waiting halls, stadiums and other places, and most of them are spring universal hinges. Each spring universal hinge is symmetrically installed with two groups of disc spring groups, and each disc spring group contains 9 pairs of disc springs assembled together. Each pair of disc springs assembled together is composed of two disc spring sheets assembled together.

[0003] In the prior art, when disc springs are used, they are sleeved at the use position one by one. Therefore, this operation has not been able to improve the installation efficiency. Therefore, it is necessary to pre-assemble the disc springs through a preloading assembly structure, so that when directly sleeved in subsequent use, it can achieve twice the result with half the effort and improve the installation efficiency. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a preloading assembly device for a disc spring group. By sleeving the disc spring body inside the upper sleeve and the lower sleeve, it is convenient for subsequent pre-assembly use. The threaded fit between the second external thread on the outside of the telescopic plate and the recovery thread groove facilitates the threaded extension according to requirements for adjustment.

[0005] To achieve the above purpose, a preloading assembly device for a disc spring group is provided, including: a lower sleeve and an upper sleeve. The top end of the lower sleeve is fixedly connected with a telescopic plate. The outside of the telescopic plate is provided with a second external thread. The top end of the telescopic plate is provided with an upper sleeve. The inside of the upper sleeve is provided with a recovery thread groove. The second external thread and the recovery thread groove are in threaded fit. The bottom end of the lower sleeve is provided with a first external thread. The bottom end of the lower sleeve is provided with a support bottom cover, and the support bottom cover and the first external thread are in threaded fit. The top end of the upper sleeve is fixedly connected with an arc plate. The top end of the arc plate is fixedly connected with an inner ring. The inner ring, the arc plate, the upper sleeve, the telescopic plate and the lower sleeve are all split in half.

[0006] According to the preloading assembly device for a disc spring group, the inside of the upper sleeve and the lower sleeve is sleeved with a disc spring body. The inner side above the support bottom cover is fixedly connected with a support spring, and the top end of the support spring is in contact and cooperation with the disc spring body.

[0007] According to the preloading assembly device for a disc spring group, fastening plates are fixedly connected to the upper and lower half sides of the upper sleeve and the lower sleeve. A groove frame is sleeved outside the fastening plates.

[0008] According to the described preloading and assembling device for a set of conical springs, a pin hole is provided inside the fastening plate, and a pin block is arranged in the middle of the inner side of the groove frame, and the pin block is in plug-in fit with the pin hole.

[0009] According to the described preloading and assembling device for a set of conical springs, a side fixing plate is fixedly connected to the middle of the bottom of one end of the groove frame, and a clamping spring is fixedly connected to the inner side of the side fixing plate.

[0010] According to the described preloading and assembling device for a set of conical springs, one end of the clamping spring is fixedly connected to a moving plate, and the inner side of the moving plate is fixedly connected to the pin block.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] 1. The present utility model is provided with an upper sleeve, a lower sleeve, a telescopic plate and a recovery thread groove. By sleeving the conical spring body inside the upper sleeve and the lower sleeve, it is convenient for subsequent pre-assembly use. The threaded fit between the second external thread on the outside of the telescopic plate and the recovery thread groove facilitates the threaded extension according to requirements for adjustment. Through the elastic support of the support spring against the conical spring body, it is not easy to shake. Through this structure, the preloading and assembling effect on the conical spring body is increased, and the subsequent use convenience is improved.

[0013] 2. The present utility model is provided with a support bottom cover, an upper sleeve, a lower sleeve and a fastening plate. When in use, the support bottom cover is disassembled, and then the upper sleeve and the lower sleeve are sleeved outside the installed column body. At this time, through the outward extrusion of the side fixing plate, the clamping spring retracts, and the pin block disengages from the pin hole, so that the groove frame can be taken out, facilitating the separation of the fastening plate and the splitting of the upper sleeve and the lower sleeve in half. The operation is convenient, and the preloading and assembling of the conical spring body can be quickly carried out and it is convenient to disassemble.

[0014] The additional aspects and advantages of the present utility model will be partially given in the following description, partially will become obvious from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The following further illustrates the present utility model in conjunction with the drawings and embodiments;

[0016] Figure 1 It is the cross-sectional front view of a preloading and assembling device for a set of conical springs of the present utility model;

[0017] Figure 2 It is the enlarged view of the second external thread of a preloading and assembling device for a set of conical springs of the present utility model;

[0018] Figure 3 It is the three-dimensional structure diagram of a preloading and assembling device for a set of conical springs of the present utility model;

[0019] Figure 4 For the present utility model Figure 3 an enlarged view of portion A in it.

[0020] In the figure: 1. lower sleeve; 2. main body of disc spring; 3. inner ring; 4. arc plate; 5. telescopic plate; 6. recovery thread groove; 7. first external thread; 8. supporting bottom cover; 9. supporting spring; 10. upper sleeve; 11. second external thread; 12. pin block; 13. fastening plate; 14. pin hole; 15. moving plate; 16. side fixing plate; 17. clamping spring; 18. groove holder. Specific embodiments

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model; the terms "first", "second", "third" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance. In addition, unless otherwise clearly defined and limited, the terms "installation", "connection", "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Please refer to Figures 1-4The utility model provides a technical solution: a butterfly spring group pre-stressing assembly device, which includes: a lower sleeve 1 and an upper sleeve 10, the top of the lower sleeve 1 is fixedly connected with a telescopic plate 5, and the thread movement can be realized by the thread cooperation of the second external thread 11 on the outside of the telescopic plate 5 and the recovery thread groove 6, the outer side of the telescopic plate 5 is provided with a second external thread 11, the top of the telescopic plate 5 is provided with an upper sleeve 10, the interior of the upper sleeve 10 is provided with a recovery thread groove 6, the second external thread 11 and the recovery thread groove 6 are threadedly matched, and the lower sleeve 1 is provided with a first external thread 7 at the bottom end, and a supporting bottom cover 8 is provided at the bottom end of the lower sleeve 1. After the butterfly spring body 2 is assembled, the supporting bottom cover 8 is threadedly matched with the first external thread 7 to facilitate thread installation and disassembly, and the supporting bottom cover 8 and the first external thread 7 are threadedly matched. The top end of the upper sleeve 10 is fixedly connected with an arc plate 4, and the top end of the arc plate 4 is fixedly connected with an inner ring 3. The inner ring 3, the arc plate 4, the upper sleeve 10, the telescopic plate 5 and the lower sleeve 1 are all split in half, which can facilitate the disassembly operation of the overall structure.

[0024] The upper sleeve 10 and the lower sleeve 1 are internally sleeved with a butterfly spring body 2. By sleeved the butterfly spring body 2 inside the upper sleeve 10 and the lower sleeve 1, subsequent pre-assembly and use are facilitated. A support spring 9 is fixedly connected to the upper inner side of the support bottom cover 8. Through the elastic support of the support spring 9, the butterfly spring body 2 is not easily shaken, and the top of the support spring 9 is in contact with the butterfly spring body 2. The upper and lower halves of the upper sleeve 10 and the lower sleeve 1 are fixedly connected with a fastening plate 13. The outer sleeve of the fastening plate 13 is sleeved with a groove frame 18. The removal of the groove frame 18 facilitates the separation of the fastening plate 13 and the disassembly of the upper sleeve 10 and the lower sleeve 1 in half. The two parts have different functions. A latch hole 14 is provided inside the fastening plate 13. A latch block 12 is provided in the middle of the inner side of the groove frame 18, and the latch block 12 and the latch hole 14 are plugged together. A side fixing plate 16 is fixedly connected to the middle of the bottom of one end of the groove frame 18. The clamping spring 17 is recovered by squeezing the side fixing plate 16 outward, and the latch block 12 is separated from the latch hole 14, so that the groove frame 18 can be taken out. A clamping spring 17 is fixedly connected to the inner side of the side fixing plate 16. The elastic support of the clamping spring 17 makes it difficult for the latch block 12 to separate from the latch hole 14. A moving plate 15 is fixedly connected to one end of the clamping spring 17, and the inner side of the moving plate 15 is fixedly connected to the latch block 12.

[0025] Working principle: During use, first, the disc spring body 2 is sleeved inside the upper sleeve 10 and the lower sleeve 1 to facilitate subsequent pre-assembly. At this time, during placement, the threaded movement can be achieved through the threaded fit between the second external thread 11 on the outside of the telescopic plate 5 and the recovery thread groove 6, and the threaded movement of the upper sleeve 10 can be realized, which is convenient for threaded extension as required for adjustment. After the disc spring body 2 is assembled, the support bottom cover 8 is threadedly fitted with the first external thread 7, which is convenient for threaded installation and disassembly, and through the elastic support of the support spring 9 against the disc spring body 2, it is not easy to shake. When in use, the support bottom cover 8 is disassembled, and then the upper sleeve 10 and the lower sleeve 1 are sleeved outside the installed cylinder. At this time, through the outward extrusion of the side fixing plate 16, the clamping spring 17 is retracted, and the pin block 12 is separated from the pin hole 14, so that the groove frame 18 can be taken out, which is convenient for separating the fastening plate 13 and splitting the upper sleeve 10 and the lower sleeve 1 in half.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A preloading and assembling device for a set of conical disc springs, comprising: Lower sleeve (1) and upper sleeve (10), characterized in that a telescopic plate (5) is fixedly connected to the top end of the lower sleeve (1), a second external thread (11) is provided on the outer side of the telescopic plate (5), an upper sleeve (10) is provided at the top end of the telescopic plate (5), a recovery thread groove (6) is provided inside the upper sleeve (10), the second external thread (11) and the recovery thread groove (6) are in threaded cooperation, a first external thread (7) is provided at the bottom end of the lower sleeve (1), a support bottom cover (8) is provided at the bottom end of the lower sleeve (1), and the support bottom cover (8) and the first external thread (7) are in threaded cooperation. The top end of the upper sleeve (10) is fixedly connected with an arc plate (4), and the top end of the arc plate (4) is fixedly connected with an inner ring (3). The inner ring (3), arc plate (4), upper sleeve (10), telescopic plate (5) and lower sleeve (1) are all split in half.

2. The preloading and assembling device for a set of disc springs according to claim 1, characterized in that: A butterfly spring body (2) is sleeved inside the upper sleeve (10) and the lower sleeve (1). A support spring (9) is fixedly connected above the inner side of the support bottom cover (8), and the top end of the support spring (9) is in contact and cooperation with the butterfly spring body (2).

3. The preloading and assembling device for a set of disc springs according to claim 1, characterized in that: Fastening plates (13) are fixedly connected to the upper and lower half sides of the upper sleeve (10) and the lower sleeve (1), and a groove frame (18) is sleeved outside the fastening plates (13).

4. A preloading and assembling device for a set of disc springs according to claim 3, characterized in that: A pin hole (14) is provided inside the fastening plate (13), and a pin block (12) is provided in the middle of the inner side of the groove frame (18), and the pin block (12) and the pin hole (14) are in plug-in cooperation.

5. The preloading and assembling device for a set of disc springs according to claim 3, wherein: A side fixing plate (16) is fixedly connected to the middle of the bottom end of one end of the groove frame (18), and a clamping spring (17) is fixedly connected to the inner side of the side fixing plate (16).

6. The preloading and assembling device for a set of disc springs according to claim 5, characterized in that: One end of the clamping spring (17) is fixedly connected with a moving plate (15), and the inner side of the moving plate (15) is fixedly connected with the pin block (12).

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