CN220286279U - Adjustable preload damping spring vibration isolator - Google Patents
Adjustable preload damping spring vibration isolator Download PDFInfo
- Publication number
- CN220286279U CN220286279U CN202321683678.5U CN202321683678U CN220286279U CN 220286279 U CN220286279 U CN 220286279U CN 202321683678 U CN202321683678 U CN 202321683678U CN 220286279 U CN220286279 U CN 220286279U
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- Prior art keywords
- damping spring
- vibration isolator
- outer surfaces
- spring vibration
- supporting
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- 238000013016 damping Methods 0.000 title claims abstract description 46
- 230000036316 preload Effects 0.000 title claims abstract description 18
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses an adjustable preload damping spring vibration isolator which comprises a supporting sleeve plate, wherein a telescopic mechanism is arranged on the supporting sleeve plate and comprises two movable plates which are slidably arranged on two sides of the inner wall of the supporting sleeve plate, a partition plate is fixedly arranged at the middle position of the supporting sleeve plate, two sliding holes are respectively formed in the outer surfaces of two ends of the supporting sleeve plate, four fixing blocks are respectively and slidably arranged on two sides, close to the partition plate, of the two sliding holes, four supporting blocks are respectively and fixedly arranged at two ends of the supporting sleeve plate, two bidirectional screw rods are respectively and rotatably arranged between the four supporting blocks, the four fixing blocks are respectively and spirally arranged on the outer surfaces of two ends of the two bidirectional screw rods, and a hand wheel is fixedly arranged at one end of one bidirectional screw rod. According to the utility model, through the telescopic mechanism, the contact area of the bottom end of the damping spring vibration isolator is conveniently increased, and the stability of the damping spring vibration isolator is improved.
Description
Technical Field
The utility model relates to the technical field of vibration isolators, in particular to an adjustable preload damping spring vibration isolator.
Background
Damping spring isolators are resilient members that connect equipment to a foundation to reduce and eliminate the vibratory forces transmitted by the equipment to the foundation and the vibrations transmitted by the foundation to the equipment, and are commonly used in some larger or heavier weight equipment.
The bottom end area of the general damping spring vibration isolator is smaller, the contact area with the ground or the supporting surface is smaller, the damping spring vibration isolator is easy to incline, the stability of the damping spring vibration isolator is reduced, the elements in the damping spring vibration isolator are damaged, the damping spring vibration isolator cannot be used, and the service life of the damping spring vibration isolator is shortened.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides an adjustable preload damping spring vibration isolator.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides an adjustable preload damping spring isolator, includes the support sleeve board, be equipped with telescopic machanism on the support sleeve board, telescopic machanism includes two movable plates of slidable mounting in support sleeve board inner wall both sides, the support sleeve board is located the intermediate position fixed mounting of two movable plates and has the baffle, two slide holes have been seted up respectively to the both ends surface of support sleeve board, two slide hole is inboard is close to the both sides of baffle and is slidable mounting respectively has four fixed blocks, four supporting blocks are fixedly arranged at two ends of the supporting sleeve plate respectively, two bidirectional screw rods are respectively and rotatably arranged between the four supporting blocks, the two bidirectional screw rods respectively penetrate through the outer surfaces of the four supporting blocks and the four fixing blocks, the four fixing blocks are respectively and spirally arranged on the outer surfaces of two ends of the two bidirectional screw rods, and a hand wheel is fixedly arranged at one end of one bidirectional screw rod.
Preferably, threads at two ends of the two-way screw rod are arranged in opposite directions, one end of the two-way screw rod is fixedly connected with two first belt wheels respectively, and the outer surfaces of the two first belt wheels are sleeved with first belts.
Preferably, the upper end of supporting the sleeve plate is equipped with the connecting plate, connecting plate and supporting the one end both sides that the sleeve plate is close to each other are fixed mounting respectively has two casings, and fixed mounting damping spring respectively between two casings, the position surface fixed mounting that supports the sleeve plate and is located between two damping springs has first loop bar and button, the button is located the inside setting of first loop bar, the lower extreme fixed mounting of connecting plate has the second loop bar, second loop bar slidable mounting is between first loop bar and button.
Preferably, two second threaded rods are inserted at two ends of the connecting plate, the two second threaded rods penetrate through the connecting plate and the outer surfaces of two casings respectively, two second nuts and two third nuts are installed on the outer surfaces of one sides, which are close to the two casings and the connecting plate and are far away from each other, of the second threaded rods in a threaded mode respectively, two threaded sleeves are fixedly connected to the upper ends of the third nuts respectively, a supporting box is arranged at the upper ends of the connecting plate, one ends of the two threaded sleeves penetrate through the outer surface of one side of the supporting box respectively, two limiting sleeve blocks are fixedly sleeved on the outer surface of one side, close to the supporting box, of the threaded sleeves respectively, two second pulleys are fixedly installed on one ends of the threaded sleeves respectively, and second belts are sleeved on the outer surfaces of the second pulleys.
Preferably, two ends of the supporting box are respectively and fixedly connected with two connecting blocks, two lower ends of the connecting blocks are respectively and fixedly connected with two first threaded rods, two L-shaped fixing plates are respectively and fixedly connected with the upper surfaces of the two ends of the supporting sleeve plate, one end of each first threaded rod penetrates through one outer surface of each L-shaped fixing plate, two first threaded rods are respectively and slidably connected with the two L-shaped fixing plates, and two first nuts are respectively and threadedly mounted on the outer surfaces of the lower ends of the first threaded rods, which are close to the two L-shaped fixing plates.
Preferably, the upper surface of the support box is fixedly provided with an anti-slip pad.
The beneficial effects of the utility model are as follows:
1. due to the adoption of the telescopic mechanism, the problems that the contact area between the bottom end of the damping spring vibration isolator and the ground is small and unstable are effectively solved, the contact area of the bottom end of the damping spring vibration isolator is conveniently increased, the stability of the damping spring vibration isolator is improved, and meanwhile dumping is not easy to occur.
2. Because the second screw cap, the two third screw caps and the two second threaded rods are matched, the problems that the damping spring vibration isolator is fixed in height and not easy to adjust are effectively solved, the height of the damping spring vibration isolator is convenient to adjust, and the preload of the damping spring vibration isolator is convenient to adjust
Drawings
Fig. 1 is a schematic diagram of the overall structure of an adjustable preload damping spring vibration isolator according to the present utility model;
fig. 2 is a schematic view of the bottom of a support sleeve plate of an adjustable preload damping spring vibration isolator according to the present utility model;
FIG. 3 is a cross-sectional view of an adjustable preload damping spring vibration isolator in accordance with the present utility model;
fig. 4 is an enlarged view of the structure at a in fig. 1.
In the figure: 1. supporting the sleeve plate; 2. a moving plate; 3. a partition plate; 4. a slide hole; 5. a support block; 6. a fixed block; 7. a first pulley; 8. a first belt; 9. a hand wheel; 10. a casing; 11. a damping spring; 12. a connecting plate; 13. a support box; 14. an anti-slip pad; 15. a connecting block; 16. a first threaded rod; 17. an L-shaped fixing plate; 18. a first nut; 19. a second threaded rod; 20. a second nut; 21. a third nut; 22. a threaded sleeve; 23. a second pulley; 24. a second belt; 25. a first loop bar; 26. round blocks; 27. a second loop bar; 28. a stop collar block; 29. and a two-way screw rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1-4, an adjustable preload damping spring vibration isolator comprises a supporting sleeve plate 1, a telescopic mechanism is arranged on the supporting sleeve plate 1, the telescopic mechanism comprises two movable plates 2 which are slidably arranged on two sides of the inner wall of the supporting sleeve plate 1, a partition plate 3 is fixedly arranged at the middle position of the supporting sleeve plate 1, two sliding holes 4 are respectively formed in the outer surfaces of two ends of the supporting sleeve plate 1, four fixed blocks 6 are respectively slidably arranged on two sides, close to the partition plate 3, of the two sliding holes 4, four supporting blocks 5 are respectively fixedly arranged at two ends of the supporting sleeve plate 1, two bidirectional screw rods 29 are respectively rotatably arranged between the four supporting blocks 5, the two bidirectional screw rods 29 respectively penetrate through the outer surfaces of the four supporting blocks 5 and the four fixed blocks 6, the four fixed blocks 6 are respectively and threadedly arranged on the outer surfaces of two ends of the two bidirectional screw rods 29, one end of one bidirectional screw rod 29 is fixedly provided with a hand wheel 9, and the contact area of the bottom end of the damping spring vibration isolator is increased through the telescopic mechanism, and the damping spring vibration isolator is prevented from tilting.
In the utility model, threads at two ends of two bidirectional screw rods 29 are arranged in opposite directions, one ends of the two bidirectional screw rods 29 are respectively fixedly connected with two first belt wheels 7, and the outer surfaces of the two first belt wheels 7 are sleeved with a first belt 8, so that the two bidirectional screw rods 29 rotate simultaneously.
In the utility model, the upper end of a support sleeve plate 1 is provided with a connecting plate 12, two sleeves 10 are respectively and fixedly arranged at two sides of one end, which is close to each other, of the connecting plate 12 and the support sleeve plate 1, damping springs 11 are respectively and fixedly arranged between the two sleeves 10, a first sleeve rod 25 and a round block 26 are fixedly arranged on the outer surface of the position, which is positioned between the two damping springs 11, of the support sleeve plate 1, the round block 26 is positioned in the first sleeve rod 25, a second sleeve rod 27 is fixedly arranged at the lower end of the connecting plate 12, and the second sleeve rod 27 is slidably arranged between the first sleeve rod 25 and the round block 26.
In the utility model, two second threaded rods 19 are inserted at two ends of a connecting plate 12, the two second threaded rods 19 respectively penetrate through the connecting plate 12 and the outer surfaces of two casings 10, two second nuts 20 and two third nuts 21 are respectively and threadedly mounted on the outer surfaces of the two second threaded rods 19, which are close to the outer surfaces of one sides of the two casings 10 and the connecting plate 12, which are far away from each other, respectively, two threaded sleeves 22 are fixedly connected to the upper ends of the two third nuts 21, a supporting box 13 is arranged at the upper ends of the connecting plate 12, one ends of the two threaded sleeves 22 respectively penetrate through the outer surfaces of one side of the supporting box 13, two limit sleeve blocks 28 are respectively and fixedly sleeved on the outer surfaces of one side of the two threaded sleeves 22, two second pulleys 23 are respectively and fixedly mounted on one ends of the two threaded sleeves 22, and a second belt 24 is sleeved on the outer surfaces of the two second pulleys 23, and the two second threaded sleeves 19 can be driven to rotate simultaneously by adjusting one third nut 21.
According to the utility model, two connecting blocks 15 are respectively and fixedly connected to two ends of a supporting box 13, two first threaded rods 16 are respectively and fixedly connected to the lower ends of the two connecting blocks 15, two L-shaped fixing plates 17 are respectively and fixedly connected to the upper surfaces of two ends of a supporting sleeve plate 1, one ends of the two first threaded rods 16 respectively penetrate through one outer surfaces of the two L-shaped fixing plates 17, the two first threaded rods 16 are respectively and slidably connected with the two L-shaped fixing plates 17, and two first nuts 18 are respectively and threadedly mounted on the outer surfaces of the lower ends, close to the two L-shaped fixing plates 17, of the two first threaded rods 16, so that the supporting box 13 can be conveniently fixed.
In the utility model, the anti-slip pad 14 is fixedly arranged on the upper surface of the supporting box 13, so that the friction force between the damping spring vibration isolator and the anti-slip pad 14 is increased.
Working principle: the damping spring vibration isolator is placed at the lower end of the device, vibration of the device is transmitted to the supporting box 13 through the bottom end of the device and is transmitted to the two damping springs 11 through the transmission of the two second threaded rods 19, so that vibration force transmitted to a foundation by the device and vibration transmitted to the device by the foundation are reduced and eliminated, the vibration isolation effect is achieved, one of the threaded sleeves 22 is rotated on the outer surface of one of the second threaded rods 19 through rotation of one of the third nuts 21, the two threaded sleeves 22 are rotated on the outer surface of the two second threaded rods 19 through transmission of the two second pulleys 23 and the second belt 24, the two first nuts 18 are loosened, the supporting box 13 is lifted, the height of the supporting box 13 is conveniently adjusted, the two second nuts 20 are adjusted to enable the two second nuts 20 to rotate on the two second threaded rods 19, the horizontal height between the connecting plate 12 and the supporting sleeve plate 1 is conveniently adjusted, and the two damping springs 11 between the four sleeves 10 are conveniently stretched, and the preload of the damping spring vibration isolator is conveniently adjusted; one of the two-way screw rods 29 is driven to rotate by rotating the hand wheel 9, and through the transmission of the two first belt wheels 7 and the first belt 8, the two-way screw rods 29 are simultaneously rotated to drive the four fixed blocks 6 to relatively slide in the two sliding holes 4 to be far away, so that the two movable plates 2 slide in the supporting sleeve plate 1 to be far away, the contact area of the supporting sleeve plate 1 is increased, and the stability of the damping spring vibration isolator is improved.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The utility model provides an adjustable preload damping spring isolator, includes support sleeve board (1), its characterized in that, be equipped with telescopic machanism on support sleeve board (1), telescopic machanism includes two movable plates (2) of slidable mounting in support sleeve board (1) inner wall both sides, support sleeve board (1) are located intermediate position fixed mounting that two movable plates (2) have baffle (3), two slide opening (4) have been seted up respectively to the both ends surface of support sleeve board (1), two slide opening (4) are interior both sides that are close to baffle (3) have four fixed blocks (6) respectively slidable mounting, four both ends of support sleeve board (1) are fixed mounting respectively and are had four supporting shoe (5), four respectively rotate between supporting shoe (5) and install two bi-directional lead screw (29), two bi-directional lead screw (29) run through the surface of four supporting shoe (5) and four fixed block (6) respectively, four bi-directional lead screw (9) have the both ends of a bi-directional lead screw (9) to be installed.
2. The adjustable preload damping spring vibration isolator as claimed in claim 1, wherein threads at two ends of the two bidirectional screw rods (29) are arranged in opposite directions, one ends of the two bidirectional screw rods (29) are respectively and fixedly connected with two first belt wheels (7), and the outer surfaces of the two first belt wheels (7) are sleeved with first belts (8).
3. The adjustable preload damping spring vibration isolator according to claim 1, wherein the upper end of the support sleeve plate (1) is provided with a connecting plate (12), two sleeves (10) are fixedly installed on two sides of one end, close to each other, of the connecting plate (12) and the support sleeve plate (1), damping springs (11) are fixedly installed between the two sleeves (10), a first sleeve rod (25) and a round block (26) are fixedly installed on the outer surface of the position, located between the two damping springs (11), of the support sleeve plate (1), the round block (26) is located in the first sleeve rod (25), a second sleeve rod (27) is fixedly installed at the lower end of the connecting plate (12), and the second sleeve rod (27) is slidably installed between the first sleeve rod (25) and the round block (26).
4. An adjustable preload damping spring vibration isolator according to claim 3, characterized in that two second threaded rods (19) are inserted at two ends of the connecting plate (12), two second threaded rods (19) penetrate through the connecting plate (12) and the outer surfaces of two shells (10) respectively, two second threaded rods (19) are close to the outer surfaces of one sides, away from each other, of the two shells (10) and the connecting plate (12), two second nuts (20) and two third nuts (21) are respectively and fixedly installed on one ends of the two third nuts (21) respectively, two threaded sleeves (22) are fixedly connected to the upper ends of the two third nuts (21) respectively, one ends of the two threaded sleeves (22) penetrate through the outer surfaces of one sides of the supporting box (13) respectively, two limit sleeve blocks (28) are fixedly sleeved on one side outer surfaces of the two threaded sleeves (22) close to the supporting box (13), two second pulleys (23) are fixedly installed on one ends of the two threaded sleeves (22) respectively, and two second belt sleeves (24) are provided on the outer surfaces of the two second pulleys (24).
5. The adjustable preload damping spring vibration isolator according to claim 4, wherein two connecting blocks (15) are fixedly connected to two ends of the supporting box (13) respectively, two first threaded rods (16) are fixedly connected to lower ends of the two connecting blocks (15) respectively, two L-shaped fixing plates (17) are fixedly connected to upper surfaces of two ends of the supporting sleeve plate (1) respectively, one ends of the two first threaded rods (16) penetrate through one outer surface of each of the two L-shaped fixing plates (17) respectively, the two first threaded rods (16) are connected with the two L-shaped fixing plates (17) in a sliding mode respectively, and two first nuts (18) are mounted on outer surfaces of lower ends of the two first threaded rods (16) close to the two L-shaped fixing plates (17) in a threaded mode respectively.
6. An adjustable preload damping spring vibration isolator as claimed in claim 4, wherein the upper surface of the support box (13) is fixedly provided with a non-slip mat (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321683678.5U CN220286279U (en) | 2023-06-29 | 2023-06-29 | Adjustable preload damping spring vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321683678.5U CN220286279U (en) | 2023-06-29 | 2023-06-29 | Adjustable preload damping spring vibration isolator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220286279U true CN220286279U (en) | 2024-01-02 |
Family
ID=89327244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321683678.5U Active CN220286279U (en) | 2023-06-29 | 2023-06-29 | Adjustable preload damping spring vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220286279U (en) |
-
2023
- 2023-06-29 CN CN202321683678.5U patent/CN220286279U/en active Active
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