Viscous damper with starting threshold value

Abstract

The viscous damper with the starting threshold value comprises a damper outer cylinder, a damping piston and a bearing connecting base, the bottom of the damping piston is connected to the interior of the damper outer cylinder in a sliding mode, the damper outer cylinder is installed on the top of the bearing connecting base, and a bearing lifting base is arranged on the top of the bearing connecting base; the damping pressure cylinder is arranged, when the damping piston is pushed by external excessive vibration, the pressure conduction piston can be driven, a medium in the damping pressure cylinder can be rapidly pushed out, threshold pressure is rapidly and accurately detected through the threshold pressure measuring pipe, and when the threshold pressure of the outer cylinder of the damper is insufficient, the adjusting lifting component can rotate, so that the medium in the damping pressure cylinder can be rapidly and accurately detected. The bearing lifting seat is controlled to move downwards, more space is provided for the damper outer cylinder, and therefore the better damping effect is achieved, and the device can conveniently detect the threshold value, adaptively adjust the threshold value, adapt to extreme weather, not prone to damage and deformation and excellent in safety performance.

Description

Technical Field

[0001] The utility model relates to the technical field of viscous dampers, in particular to a viscous damper with a starting threshold. Background Art

[0002] With the advancement of science and technology and the increasing complexity of engineering structure design, the requirements for structural seismic and vibration resistance are also increasing. Traditional structural seismic methods mainly rely on enhancing the seismic resistance of the structure itself. A viscous damper with a starting threshold is a device that is convenient for detecting the damping force of the viscous damper. Its energy dissipation damping force is subject to more technical indicators, including damping coefficient, exponent, velocity and displacement. A viscous damper with a starting threshold is a device that is convenient for detecting the damping force of the viscous damper.

[0003] Different viscous dampers have certain starting thresholds. Disasters caused by earthquakes or strong winds often deviate from our design range. When the disaster exceeds the design range, it is usually necessary to adjust and control the threshold of the viscous damper. However, in actual use, the damping force of the existing viscous damper cannot be well adjusted. The viscous damper with a single damping index can no longer meet the shock-absorbing damping strength of existing buildings. It is not possible to intuitively detect the threshold strength according to environmental changes, and the convenience of adjusting the threshold damping size is relatively insufficient. We propose a viscous damper with a starting threshold to solve the above problems. Utility Model Content

[0004] The problem that the utility model aims to solve is that the viscous damper with a starting threshold in the prior art has high difficulty in adjusting the strength of the damping threshold, and the threshold detection convenience is insufficient, and it is easy to be deformed and damaged in extreme weather, and the safety performance is insufficient.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a viscous damper with a starting threshold, comprising a damper outer cylinder, a damping piston and a bearing connection seat;

[0006] The bottom of the damping piston is slidably connected to the inside of the damper outer cylinder, the damper outer cylinder is installed on the top of the bearing connection seat, the top of the bearing connection seat is provided with a bearing lifting seat, the top of the bearing lifting seat extends and is slidably connected to the bottom of the damper outer cylinder, and an adjusting lifting member is provided between the bearing lifting seat and the bearing connection seat;

[0007] Damping pressure cylinders are provided at the tops of both sides of the damper outer cylinder, a pressure transmission piston is integrally connected to the side of the damping piston, the bottom of the pressure transmission piston is slidably connected to the inside of the damping pressure cylinder, and a threshold pressure measuring tube is connected between the damping pressure cylinder and the damper outer cylinder.

[0008] As a preferred solution of a viscous damper with a starting threshold described in the utility model, auxiliary reinforcement cylinders are provided on both sides of the outer cylinder of the damper, the top of the auxiliary reinforcement cylinder is higher than the top of the damping pressure cylinder, the auxiliary reinforcement cylinder is connected to the outer cylinder of the damper, and the top of the bearing lifting seat is blocked on both sides of the bottom of the auxiliary reinforcement cylinder.

[0009] As a preferred solution of a viscous damper with a starting threshold described in the utility model, the damper outer cylinder, the damping pressure cylinder and the auxiliary reinforcement cylinder are all connected, and damping medium is provided in the damper outer cylinder, the damping pressure cylinder and the auxiliary reinforcement cylinder, and the damping medium is a viscous fluid.

[0010] As a preferred solution of the viscous damper with a starting threshold described in the utility model, the top of the damping piston is respectively connected to two pressure-transmitting pistons, the pressure-transmitting piston and the damping piston are arranged in parallel, and the damping pressure cylinder is symmetrically arranged on both sides of the damper outer cylinder.

[0011] As a preferred solution of a viscous damper with a starting threshold described in the utility model, the load-bearing lifting seat includes a lifting seat body and a damping lifting block, the lifting seat body is snap-fitted and slidably connected to the inner side of the load-bearing connecting seat, the damping lifting block is arranged on the top of the lifting seat body, the top of the damping lifting block extends and is slidably connected to the bottom of the inner side of the damper outer tube, and the damping lifting block is interference filled in the inner side of the damper outer tube.

[0012] As a preferred solution of a viscous damper with a starting threshold described in the utility model, wherein: a bearing anti-collision block is provided on the top of the bearing lifting seat, the bearing anti-collision block is located inside the outer cylinder of the damper, the bearing anti-collision block is located directly below the damping piston, and a piston hole is provided at the piston end of the damping piston.

[0013] As a preferred solution of a viscous damper with a starting threshold described in the utility model, the threshold pressure measuring tube includes a medium liquid guide tube and a pressure measuring gauge, the medium liquid guide tube is connected between the damping pressure cylinder and the damper outer cylinder, and the pressure measuring gauge is arranged on the medium liquid guide tube.

[0014] As a preferred solution of the viscous damper with a starting threshold described in the utility model, the adjusting and lifting component includes a threaded control rod and an adjusting handle, the threaded control rod is rotatably connected to the top of the bearing connection seat, the threaded control rod is arranged at the bottom of the bearing lifting seat, the top of the threaded control rod extends and is threadedly connected to the inside of the bearing lifting seat, and the adjusting handle is arranged in the middle of the threaded control rod.

[0015] The beneficial effects of the utility model are:

[0016] By arranging damping pressure cylinders on both sides of the damper outer cylinder, when the damping piston is pushed by excessive external vibration, it can drive the pressure transmission piston to quickly push out the medium in the damping pressure cylinder, and the threshold pressure measuring tube can quickly and accurately detect the threshold pressure. When the threshold pressure of the damper outer cylinder is insufficient, the adjusting lifting component can be rotated to control the bearing lifting seat to move downward, giving the damper outer cylinder more space, thereby achieving better damping effect and making the device more convenient for threshold detection. At the same time, it can be adjusted for adaptability, can adapt to extreme weather, is not easy to be damaged or deformed, and has excellent safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0018] in:

[0019] Figure 1 The overall structure diagram of a viscous damper with a starting threshold.

[0020] Figure 2 A front view of the structural cross-section of a viscous damper with a starting threshold.

[0021] Figure 3 A top view of the structure of a viscous damper with a starting threshold.

[0022] Figure 4 The present invention is a bottom-up cross-sectional view of a connection structure between a bearing connection seat and a bearing lifting seat of a viscous damper having a starting threshold.

[0023] In the figure: 1. Damper outer cylinder; 2. Damping piston; 3. Bearing connecting seat; 4. Bearing lifting seat; 41. Lifting seat body; 42. Damping lifting block; 5. Adjusting lifting member; 51. Threaded control rod; 52. Adjusting handle; 6. Damping pressure cylinder; 7. Pressure transmission piston; 8. Threshold pressure measuring tube; 81. Medium liquid guide tube; 82. Pressure measuring gauge; 9. Auxiliary reinforcement cylinder; 10. Bearing anti-collision block. DETAILED DESCRIPTION

[0024] The utility model is specifically introduced below in conjunction with the accompanying drawings and embodiments.

[0025] Reference Figures 1 to 4 , this embodiment is a viscous damper with a starting threshold, comprising a damper outer cylinder 1, a damping piston 2 and a bearing connection seat 3;

[0026] The bottom of the damping piston 2 is slidably connected to the inside of the damper outer tube 1, and the damper outer tube 1 is installed on the top of the bearing connection seat 3. The top of the bearing connection seat 3 is provided with a bearing lifting seat 4, and the top of the bearing lifting seat 4 extends and is slidably connected to the bottom of the damper outer tube 1. An adjusting lifting member 5 is provided between the bearing lifting seat 4 and the bearing connection seat 3;

[0027] The tops of both sides of the damper outer cylinder 1 are provided with damping pressure cylinders 6, the side of the damping piston 2 is integrally connected with a pressure transmission piston 7, the bottom of the pressure transmission piston 7 is slidably connected to the inside of the damping pressure cylinder 6, and a threshold pressure measuring tube 8 is connected between the damping pressure cylinder 6 and the damper outer cylinder 1;

[0028] The beneficial effects to be expressed by this scheme are as follows: by arranging damping pressure cylinders 6 on both sides of the damper outer cylinder 1, when the damping piston 2 is pushed by excessive external vibration, it can drive the pressure transmission piston 7 to quickly push out the medium in the damping pressure cylinder 6, and the threshold pressure measuring tube 8 can quickly and accurately detect the threshold pressure. When the threshold pressure of the damper outer cylinder 1 is insufficient, the adjusting lifting component 5 can be rotated to control the bearing lifting seat 4 to move downward, giving the damper outer cylinder 1 more space, thereby achieving a better damping effect. The damping medium in the auxiliary reinforcement cylinder 9 can flow into the damper outer cylinder 1, further improving the damping strength, making it more convenient for the device to detect the threshold value. At the same time, it can be adjusted for adaptability, can adapt to extreme weather, is not easy to be damaged or deformed, and has excellent safety performance.

[0029] In this embodiment, auxiliary reinforcement tubes 9 are provided on both sides of the damper outer tube 1, the top of the auxiliary reinforcement tube 9 is higher than the top of the damping pressure tube 6, the auxiliary reinforcement tube 9 is connected to the damper outer tube 1, and the top of the load-bearing lifting seat 4 is blocked at both sides of the bottom of the auxiliary reinforcement tube 9;

[0030] By providing the auxiliary reinforcement tube 9, when the load-bearing lifting seat 4 moves downward, the blockage of the auxiliary reinforcement tube 9 is released, so that the damping medium in the auxiliary reinforcement tube 9 can flow into the damper outer tube 1, further improving the damping strength.

[0031] In this embodiment, the damper outer tube 1, the damping pressure tube 6 and the auxiliary reinforcement tube 9 are all connected, and the damper outer tube 1, the damping pressure tube 6 and the auxiliary reinforcement tube 9 are all provided with a damping medium, and the damping medium is a viscous fluid;

[0032] By arranging the damper outer tube 1, the damping pressure tube 6 and the auxiliary reinforcement tube 9 to be connected, the damping media can flow mutually and follow the change of the threshold pressure without the need for subsequent re-adjustment, thus achieving good adaptability.

[0033] In this embodiment, the top of the damping piston 2 is connected to two pressure transmission pistons 7 respectively, the pressure transmission piston 7 and the damping piston 2 are arranged in parallel, and the damping pressure cylinder 6 is symmetrically arranged on both sides of the damper outer cylinder 1;

[0034] By setting the connection between the damping piston 2 and the pressure transmission piston 7, when the damping piston 2 is pushed by excessive external vibration, it can drive the pressure transmission piston 7 to quickly push out the medium in the damping pressure cylinder 6. During the pushing process, the threshold pressure can be quickly and accurately detected by the threshold pressure measuring tube 8, so as to accurately detect and determine the threshold pressure of the viscous damper, thereby facilitating subsequent control and adjustment operations according to the size of the threshold pressure.

[0035] In this embodiment, the load-bearing lifting seat 4 includes a lifting seat body 41 and a damping lifting block 42. The lifting seat body 41 is engaged and slidably connected to the inner side of the load-bearing connecting seat 3. The damping lifting block 42 is arranged on the top of the lifting seat body 41. The top of the damping lifting block 42 extends and is slidably connected to the bottom of the inner side of the damper outer tube 1. The damping lifting block 42 is interference filled in the inner side of the damper outer tube 1.

[0036] By setting the load-bearing lifting seat 4 including the lifting seat body 41 and the damping lifting block 42, the lifting seat body 41 can be driven by the adjusting lifting component 5 to adjust the up and down displacement, and the adaptability is good. The lifting seat body 41 is engaged in the load-bearing connecting seat 3, and is not easy to rotate and deviate during lifting, and the damping lifting block 42 can perform damping adjustment activities with the damper outer tube 1, with excellent adaptability and convenient threshold adjustment.

[0037] In this embodiment, a bearing anti-collision block 10 is provided on the top of the bearing lifting seat 4, and the bearing anti-collision block 10 is located inside the damper outer tube 1. The bearing anti-collision block 10 is located directly below the damping piston 2, and a piston hole is provided at the piston end of the damping piston 2;

[0038] By setting the piston hole, the medium can be diverted through the piston hole, and the damping is stable. The setting of the load-bearing anti-collision block 10 can prevent the damping piston 2 from hitting the load-bearing lifting seat 4. The load-bearing anti-collision block 10 plays an anti-collision protection role and has excellent practicality.

[0039] In this embodiment, the threshold pressure measuring tube 8 includes a medium liquid flow guide tube 81 and a pressure measuring gauge 82. The medium liquid flow guide tube 81 is connected between the damping pressure cylinder 6 and the damper outer cylinder 1. The pressure measuring gauge 82 is arranged on the medium liquid flow guide tube 81.

[0040] By setting the threshold pressure measuring tube 8 including the medium liquid guide tube 81 and the pressure measuring gauge 82, the medium liquid guide tube 81 plays a role of medium diversion, so that the damping medium in the damping pressure cylinder 6 can be pushed by the pressure transmission piston 7. When passing through the medium liquid guide tube 81, it can be intuitively displayed by the pressure measuring gauge 82, so as to facilitate the later threshold change adjustment and have good adaptability.

[0041] In this embodiment, the adjusting lifting member 5 includes a threaded control rod 51 and an adjusting handle 52. The threaded control rod 51 is rotatably connected to the top of the bearing connection seat 3. The threaded control rod 51 is arranged at the bottom of the bearing lifting seat 4. The top of the threaded control rod 51 extends and is threadedly connected to the inside of the bearing lifting seat 4. The adjusting handle 52 is arranged in the middle of the threaded control rod 51.

[0042] By setting the adjustable lifting component 5 including the threaded control rod 51 and the adjusting handle 52, the threaded control rod 51 can control the up and down movement of the load-bearing lifting seat 4 when rotating, and the adjusting handle 52 has a rotating adjustment effect, good adaptability, and convenient operation.

[0043] Working principle: a damping piston 2 is arranged in the damper outer tube 1, a piston hole is arranged at the piston end of the damping piston 2, and a damping medium is arranged in the damper outer tube 1, so that when subjected to vibration pressure, the damping piston 2 drives the expansion and contraction, and the damping medium in the damper outer tube 1 can buffer the damping threshold, and the damping medium can be diverted through the piston hole;

[0044] The damping pressure cylinders 6 are arranged on both sides of the damper outer cylinder 1. The damping piston 2 can drive the pressure transmission piston 7 when it is extended and retracted, so that the damping medium in the damping pressure cylinder 6 can be pushed by the pressure transmission piston 7. When the damping piston 2 is pushed by excessive external vibration, it can drive the pressure transmission piston 7 to quickly push out the medium in the damping pressure cylinder 6. During the pushing process, the threshold pressure can be quickly and accurately detected by the threshold pressure measuring tube 8, so as to accurately detect and determine the threshold pressure of the viscous damper, so as to facilitate the subsequent control and adjustment operation according to the size of the threshold pressure.

[0045] A bearing connection seat 3 is provided at the bottom of the damper outer tube 1, which can support and bear the damper outer tube 1. The bearing lifting seat 4 can perform interference filling damping on the damper outer tube 1. The space inside the damper outer tube 1 is filled. When the threshold pressure of the damper outer tube 1 is insufficient, the adjusting lifting member 5 can be rotated to control the bearing lifting seat 4 to move downward, giving the damper outer tube 1 more space, thereby achieving a better damping effect and further improving the damping and shock absorption strength, so that it is suitable for use in extreme weather and is not prone to damage and deformation.

[0046] Auxiliary reinforcement tubes 9 are provided on both sides of the damper outer tube 1. When the load-bearing lifting seat 4 moves downward, the blockage of the auxiliary reinforcement tubes 9 is released, so that the damping medium in the auxiliary reinforcement tubes 9 can flow into the damper outer tube 1, further improving the damping strength and making it more convenient for the device to detect the threshold value. At the same time, it can be adjusted for adaptability, can adapt to extreme weather, is not easy to be damaged or deformed, and has excellent safety performance.

[0047] 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 spirit 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. A viscous damper with a start-up threshold, characterized in that: It comprises a damper outer cylinder (1), a damping piston (2) and a bearing connection seat (3); The bottom of the damping piston (2) is slidably connected to the inside of the damper outer cylinder (1); the damper outer cylinder (1) is mounted on the top of a bearing connection seat (3); a bearing lifting seat (4) is provided on the top of the bearing connection seat (3); the top of the bearing lifting seat (4) extends and is slidably connected to the bottom of the damper outer cylinder (1); an adjusting lifting component (5) is provided between the bearing lifting seat (4) and the bearing connection seat (3); Damping pressure cylinders (6) are provided at the tops of both sides of the damper outer cylinder (1); a pressure transmission piston (7) is integrally connected to the side of the damping piston (2); the bottom of the pressure transmission piston (7) is slidably connected to the inside of the damping pressure cylinder (6); and a threshold pressure measuring tube (8) is connected between the damping pressure cylinder (6) and the damper outer cylinder (1).

2. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: Auxiliary reinforcement cylinders (9) are provided on both sides of the damper outer cylinder (1); the top of the auxiliary reinforcement cylinder (9) is higher than the top of the damping pressure cylinder (6); the auxiliary reinforcement cylinder (9) is connected to the damper outer cylinder (1); and the top of the bearing lifting seat (4) is blocked on both sides of the bottom of the auxiliary reinforcement cylinder (9).

3. A viscous damper with a start-up threshold as claimed in claim 2, characterized in that: The damper outer cylinder (1), the damping pressure cylinder (6) and the auxiliary reinforcement cylinder (9) are all connected, and damping medium is provided in the damper outer cylinder (1), the damping pressure cylinder (6) and the auxiliary reinforcement cylinder (9), and the damping medium is a viscous fluid.

4. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: The top of the damping piston (2) is respectively connected to two pressure transmission pistons (7); the pressure transmission piston (7) and the damping piston (2) are arranged in parallel; and the damping pressure cylinder (6) is symmetrically arranged on both sides of the damper outer cylinder (1).

5. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: The load-bearing lifting seat (4) comprises a lifting seat body (41) and a damping lifting block (42); the lifting seat body (41) is slidably connected to the inner side of the load-bearing connection seat (3); the damping lifting block (42) is arranged on the top of the lifting seat body (41); the top of the damping lifting block (42) extends and is slidably connected to the bottom of the inner side of the damper outer cylinder (1); the damping lifting block (42) is interference-filled on the inner side of the damper outer cylinder (1).

6. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: A bearing anti-collision block (10) is provided on the top of the bearing lifting seat (4), the bearing anti-collision block (10) is located inside the damper outer cylinder (1), the bearing anti-collision block (10) is located directly below the damping piston (2), and a piston hole is provided at the piston end of the damping piston (2).

7. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: The threshold pressure measuring tube (8) comprises a medium liquid flow guide tube (81) and a pressure measuring gauge (82); the medium liquid flow guide tube (81) is connected between the damping pressure cylinder (6) and the damper outer cylinder (1); and the pressure measuring gauge (82) is arranged on the medium liquid flow guide tube (81).

8. A viscous damper with a start-up threshold as claimed in claim 1, characterized in that: The adjusting lifting component (5) comprises a threaded control rod (51) and an adjusting handle (52), wherein the threaded control rod (51) is rotatably connected to the top of the bearing connection seat (3), the threaded control rod (51) is arranged at the bottom of the bearing lifting seat (4), the top of the threaded control rod (51) extends and is threadedly connected to the inside of the bearing lifting seat (4), and the adjusting handle (52) is arranged in the middle of the threaded control rod (51).

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