CN219159422U

CN219159422U - Novel viscoelastic damper

Info

Publication number: CN219159422U
Application number: CN202320222267.XU
Authority: CN
Inventors: 方东兴
Original assignee: Zhongtong Litai Hainan Technology Co ltd
Current assignee: Zhongtong Litai Hainan Technology Co ltd
Priority date: 2023-02-15
Filing date: 2023-02-15
Publication date: 2023-06-09
Anticipated expiration: 2033-02-15

Abstract

The utility model discloses a novel viscoelastic damper, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a cylinder body, the top of the cylinder body is penetrated and provided with a piston rod, the bottom of the piston rod penetrates through an inner cavity of the cylinder body and is fixedly connected with a piston plate, two sides of the top of the inner cavity of the piston plate are fixedly connected with first springs, the bottom of each first spring is fixedly connected with a movable plate, and the bottom of each movable plate is fixedly connected with a supporting rod. According to the utility model, through the matched use of the bottom plate, the cylinder body, the piston rod, the piston plate, the first spring, the movable plate, the supporting rod, the sliding sleeve, the second spring, the elastic plate, the transverse plate, the shell, the screw rod, the hand wheel, the threaded sleeve, the supporting column and the top plate, the problem that the practical use of the viscoelastic damper in the prior art is poor in damping effect, so that the protective performance of the viscoelastic damper is reduced, the damping stroke cannot be adjusted, and the practicability of the viscoelastic damper is reduced is solved.

Description

Novel viscoelastic damper

Technical Field

The utility model relates to the technical field of dampers, in particular to a novel viscoelastic damper.

Background

The viscoelastic damper is a passive control device with excellent performance, and is generally made by bonding a steel plate and a viscoelastic material layer, and under the action of external load, the viscoelastic material layer of the viscoelastic damper in the structure undergoes shear deformation, so that energy input into the structure is dissipated, the additional damping of the structure is increased, and the dynamic response of the structure is reduced.

For example, the utility model in China provides a viscoelastic damper, which has the following bulletin number: CN213979396U, left and right bi-directional peer-to-peer energy consumption characteristics; the viscoelastic material with hysteresis characteristic is complementary with the spring energy absorption characteristic which is sensitively reflected, so that the anti-seismic advantage of the viscoelastic damper can be exerted; the double-end hinge joint is beneficial to coping with earthquake force which does not act axially; the viscoelastic material of the silicon-based high polymer material forms a viscous damper with large tonnage and high energy consumption; the truncated cone spring is deformed, firstly, rigidity is increased, shock force of sudden change can be dynamically dealt with, secondly, the height occupied space of being compressible and forming a circle is extremely small, and when the viscoelastic damper in the prior art is in actual use, the cushioning effect is poor, so that the protective performance of the viscoelastic damper is reduced, the damping stroke cannot be adjusted, and the practicability of the viscoelastic damper is reduced.

Disclosure of Invention

The utility model aims to provide a novel viscoelastic damper which has the advantage of high practicability, and solves the problems that the protective performance of the viscoelastic damper is reduced and the damping stroke cannot be adjusted due to poor cushioning effect in actual use of the viscoelastic damper in the prior art, so that the practicability of the viscoelastic damper is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel viscoelastic damper, includes the bottom plate, the top fixedly connected with cylinder body of bottom plate, the top of cylinder body runs through and is provided with the piston rod, the bottom of piston rod runs through the inner chamber and fixedly connected with piston plate to the cylinder body, the equal fixedly connected with first spring in both sides at piston plate inner chamber top, the bottom fixedly connected with fly leaf of first spring, the bottom fixedly connected with branch of fly leaf, the one end that the fly leaf was kept away from to branch runs through to the bottom of piston plate, fixedly connected with slide bar between the both sides of fly leaf inner chamber, the surface of slide bar overlaps respectively and is equipped with sliding sleeve and second spring, swing joint has the elastic plate between the top of two sliding sleeves, the fixed surface of piston rod is connected with the diaphragm, the equal fixedly connected with casing in top of cylinder body both sides, the top swing joint of casing inner chamber has the screw rod, the bottom of screw rod runs through to the bottom of casing and fixedly connected with hand wheel, the surface and the inner chamber threaded connection that is located the casing has the thread bush, the equal fixedly connected with pillar in both sides at thread bush top, the one end that the pillar kept away from the thread bush is kept away from to the top of casing and runs through fixedly connected with roof.

Preferably, both sides of the thread bush are fixedly connected with sliding blocks, and the inner wall of the shell is provided with sliding grooves matched with the sliding blocks.

Preferably, the surface of the screw rod is connected with a lock nut at the bottom of the shell in a threaded manner, and the surface of the hand wheel is provided with anti-skid patterns.

Preferably, the bottom of the piston plate is provided with a first opening, and the top of the movable plate is provided with a second opening.

Preferably, the front of the shell is provided with a sealing plate, the front of the sealing plate is penetrated and provided with a bolt, and the surface of the bolt is movably connected with the inner wall of the shell through threads.

Preferably, both sides of the movable plate are in sliding connection with the inner wall of the piston plate, and both ends of the second spring are respectively and fixedly connected with the sliding sleeve and the inner wall of the movable plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the bottom plate, the cylinder body, the piston rod, the piston plate, the first spring, the movable plate, the supporting rod, the sliding sleeve, the second spring, the elastic plate, the transverse plate, the shell, the screw rod, the hand wheel, the threaded sleeve, the supporting column and the top plate, the problem that the practical use of the viscoelastic damper in the prior art is poor in damping effect, so that the protective performance of the viscoelastic damper is reduced, the damping stroke cannot be adjusted, and the practicability of the viscoelastic damper is reduced is solved.

2. According to the utility model, the sliding block and the sliding groove are arranged, so that the thread bush can be limited, the stability of the thread bush in moving is improved, the screw rod can be locked by arranging the locking nut, so that the screw rod is prevented from loosening, a user can conveniently operate the hand wheel by arranging the anti-skid threads, and the shell can be sealed by arranging the sealing plate and the bolt.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the front view of the structure of the present utility model;

fig. 3 is an enlarged view of a of fig. 1 according to the present utility model.

In the figure: 1. a bottom plate; 2. a cylinder; 3. a piston rod; 4. a piston plate; 5. a first spring; 6. a movable plate; 7. a support rod; 8. a slide bar; 9. a sliding sleeve; 10. a second spring; 11. an elastic plate; 12. a cross plate; 13. a housing; 14. a screw; 15. a hand wheel; 16. a thread sleeve; 17. a support post; 18. a top plate; 19. and (5) locking the nut.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, a novel viscoelastic damper comprises a bottom plate 1, a cylinder body 2 is fixedly connected to the top of the bottom plate 1, a piston rod 3 is penetrated and arranged at the top of the cylinder body 2, the bottom of the piston rod 3 penetrates to the inner cavity of the cylinder body 2 and is fixedly connected with a piston plate 4, both sides of the top of the inner cavity of the piston plate 4 are fixedly connected with a first spring 5, the bottom of the first spring 5 is fixedly connected with a movable plate 6, the bottom of the movable plate 6 is fixedly connected with a supporting rod 7, one end of the supporting rod 7 far away from the movable plate 6 penetrates to the bottom of the piston plate 4, a sliding rod 8 is fixedly connected between both sides of the inner cavity of the movable plate 6, sliding sleeves 9 and a second spring 10 are sleeved on the surface of the sliding rod 8 respectively, an elastic plate 11 is movably connected between the tops of the two sliding sleeves 9, the surface of the piston rod 3 is fixedly connected with a transverse plate 12, the tops of both sides of the cylinder body 2 are fixedly connected with a casing 13, the top of the inner cavity of the shell 13 is movably connected with a screw 14, the bottom of the screw 14 penetrates to the bottom of the shell 13 and is fixedly connected with a hand wheel 15, the surface of the screw 14 is in threaded connection with a thread sleeve 16 positioned in the inner cavity of the shell 13, two sides of the top of the thread sleeve 16 are fixedly connected with support posts 17, one end of the support posts 17 away from the thread sleeve 16 penetrates to the top of the shell 13 and is fixedly connected with a top plate 18, two sides of the thread sleeve 16 are fixedly connected with sliding blocks, the inner wall of the shell 13 is provided with sliding grooves matched with the sliding blocks, the surface of the screw 14 is in threaded connection with a locking nut 19 positioned at the bottom of the shell 13, the surface of the hand wheel 15 is provided with anti-skidding threads, the bottom of the piston plate 4 is provided with a first opening, the top of the movable plate 6 is provided with a second opening, the front of the shell 13 is provided with a sealing plate, the front of the sealing plate is provided with bolts in a penetrating way, the surface of bolt passes through screw thread and the inner wall swing joint of casing 13, the both sides of fly leaf 6 all with the inner wall sliding connection of piston board 4, the both ends of second spring 10 respectively with sliding sleeve 9 and the inner wall fixed connection of fly leaf 6, through setting up slider and spout, can spacing thread bush 16, stability when improving thread bush 16 and remove, through setting up lock nut 19, can lock screw rod 14, in order to avoid screw rod 14 to take place not hard up, through setting up the anti-skidding line, can facilitate the operation of hand wheel 15 by the user, through setting up closing plate and bolt, can seal casing 13, through bottom plate 1, cylinder body 2, piston rod 3, piston board 4, first spring 5, fly leaf 6, branch 7, slide bar 8, sliding sleeve 9, second spring 10, elastic plate 11, diaphragm 12, casing 13, screw rod 14, hand wheel 15, thread bush 16, post 17 and roof 18's cooperation is used, when in actual use, the viscous effect is relatively poor, thereby it is reduced to lead to its protective properties, and can not adjust the damping stroke to adjust the elasticity damping practicality problem that has thereby reduced.

When the damper is used, the piston rod 3 is extruded and then drives the piston plate 4 to move downwards, meanwhile, the piston plate 4 compresses the first spring 5 and the elastic plate 11 through the cooperation of the supporting rod 7 and the movable plate 6, the elastic plate 11 is extruded and then drives the sliding sleeve 9 to move to the opposite side, the sliding sleeve 9 compresses the second spring 10, accordingly, the damping effect of the damper is improved through the cooperation of the first spring 5 and the second spring 10, the screw rod 14 is rotated through the hand wheel 15, the screw rod 14 drives the thread bush 16 to displace, the thread bush 16 drives the top plate 18 to move through the supporting column 17, and accordingly the distance between the top plate 18 and the transverse plate 12 is adjusted, and the stroke of the damper is adjusted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A novel viscoelastic damper, comprising a base plate (1), characterized in that: the top fixedly connected with cylinder body (2) of bottom plate (1), the top of cylinder body (2) runs through and is provided with piston rod (3), the bottom of piston rod (3) runs through to the inner chamber of cylinder body (2) and fixedly connected with piston plate (4), the both sides at piston plate (4) inner chamber top all fixedly connected with first spring (5), the bottom fixedly connected with fly leaf (6) of first spring (5), the bottom fixedly connected with branch (7) of fly leaf (6), the one end that fly leaf (6) was kept away from to branch (7) runs through to the bottom of piston plate (4), fixedly connected with slide bar (8) between the both sides of fly leaf (6) inner chamber, the surface of slide bar (8) is overlapped respectively and is equipped with sliding sleeve (9) and second spring (10), swing joint has elastic plate (11) between the top of two sliding sleeve (9), the surface fixedly connected with diaphragm (12) of piston rod (3), the top of cylinder body (2) both sides all fixedly connected with casing (13), the bottom fixedly connected with branch (7) of fly leaf (13) is kept away from the bottom of fly leaf (6) one end to the bottom of piston plate (4), the bottom fixedly connected with screw rod (14) of fly leaf (14) to the bottom (14), the surface of screw rod (14) and be located the inner chamber threaded connection of casing (13) have thread bush (16), both sides at thread bush (16) top are all fixedly connected with pillar (17), the one end that thread bush (16) was kept away from to pillar (17) runs through to the top of casing (13) and fixedly connected with roof (18).

2. A novel viscoelastic damper as set forth in claim 1 wherein: both sides of the thread bush (16) are fixedly connected with sliding blocks, and a sliding groove matched with the sliding blocks for use is formed in the inner wall of the shell (13).

3. A novel viscoelastic damper as set forth in claim 1 wherein: the surface of screw rod (14) and be located the bottom threaded connection of casing (13) have lock nut (19), the surface of hand wheel (15) is provided with anti-skidding line.

4. A novel viscoelastic damper as set forth in claim 1 wherein: the bottom of the piston plate (4) is provided with a first opening, and the top of the movable plate (6) is provided with a second opening.

5. A novel viscoelastic damper as set forth in claim 1 wherein: the front of casing (13) is provided with the closing plate, and the front of closing plate runs through and is provided with the bolt, and the surface of bolt passes through screw thread and the inner wall swing joint of casing (13).

6. A novel viscoelastic damper as set forth in claim 1 wherein: both sides of the movable plate (6) are in sliding connection with the inner wall of the piston plate (4), and both ends of the second spring (10) are respectively fixedly connected with the sliding sleeve (9) and the inner wall of the movable plate (6).