Viscous damper for frame structure

By designing the shock absorbing device and buffering assembly of the viscous damper in the frame structure, the wear problem caused by earthquake at the connection between the support arm and the support cylinder is solved, and effective shock absorption and buffering effects are achieved.

CN222949245UActive Publication Date: 2025-06-06CHONGQING JINGFENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421922344.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-06
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

In the frame structure, due to long-term stress at the connection between the support arm and the support cylinder, it is easy to cause strong friction due to vibration caused by earthquakes, resulting in serious wear.

Method used

A viscous damper for the frame structure is designed, including a shock absorber and a buffer assembly. The shock absorbing device provides the function of telescopic unloading force through the combination of the housing, support pad, shear-type force-release frame and buffer assembly. The buffer assembly further enhances the shock absorbing effect through the cooperation of the pressure relief spring and the telescopic rod.

Benefits of technology

It effectively prevents jitter and wear at the connection between the support arm and the energy supply cylinder from vibration, reduces the damage to the structure caused by earthquakes and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a viscous damper for a frame structure. The viscous damper comprises a supporting frame, a movable supporting column, a mounting base, a supporting arm, an energy supply oil cylinder and a damping device. The damping device is arranged, the shell is arranged on the two sides of the supporting arm and the two sides of the energy supply oil cylinder, the supporting cushion block can well buffer and limit the left end and the right end of the supporting arm and the left end and the right end of the energy supply oil cylinder under the cooperation of the shear type force unloading frame, and then the purpose that the damping device is arranged in the supporting frame, so that the damping effect is achieved is achieved. The damping device can play a role in buffering and damping on the two sides of the supporting frame and the energy supply oil cylinder, the situation that the supporting frame repeatedly pushes the supporting arm due to vibration and frequently makes contact with the connecting position of the energy supply oil cylinder to be abraded is prevented, and the problem that in original equipment, when a wall face is affected by an earthquake, the supporting arm is damaged is solved. The problem that the connecting end of the supporting oil cylinder is prone to being seriously abraded due to the fact that the supporting arm is prone to generating strong friction with the connecting position of the supporting oil cylinder due to vibration is solved.
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Description

Technical Field

[0001] The utility model relates to the field of building shock absorption, in particular to a viscous damper used in a frame structure. Background Art

[0002] Viscous damper is a widely used damper in practical engineering. It uses the flow impedance of closed filling materials or the shear impedance of viscous materials to dissipate energy. It only provides additional damping energy dissipation, does not change the stiffness and period of the structure itself, can avoid the formation of local stiffness concentration, and is easier and faster in structural analysis and calculation. In addition, the viscous damper itself has a simple structure, low cost, high reliability, and does not require additional external energy.

[0003] The Chinese patent document with publication number CN118087883A discloses a method for installing a full-effect viscous damper. The damper installation structure used in the device has simple force transmission and reasonable nodes, which can eliminate the hidden danger of system torsional failure and is more in line with the principle of structural force. It is simple in method, reliable in connection, low in cost, high in bearing capacity, small in size, flexible in layout, and does not affect the building function.

[0004] Because the connection between the support arm and the support cylinder in the original equipment will be under long-term stress during the support process through the support arm, when the wall is affected by an earthquake, the support arm is prone to strong friction with the connection with the support cylinder due to vibration, resulting in severe wear on the connection end of the support cylinder, which requires improvement on the original basis. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a viscous damper for a frame structure.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a viscous damper for a frame structure, comprising a support frame, a movable pillar, a mounting seat 1, a support arm, an energy supply cylinder, and a shock absorbing device. The movable pillar is installed inside the support frame, the mounting seat 1 is fixed to the outer side of the movable pillar, the top of the mounting seat is connected to the support arm, the support arm is respectively installed at the two ends of the energy supply cylinder, the shock absorbing device is connected to the bottom of the movable pillar, the shock absorbing device comprises a shell, a support pad, a scissor-type unloading frame, a mounting seat 2, a buffer assembly, and a unloading rod. The shell is fixed to the bottom of the movable pillar, the support pad is connected to the outer side of the scissor-type unloading frame, the scissor-type unloading frame is fixed to the inside of the shell, the mounting seat 2 is arranged at the bottom of the scissor-type unloading frame, the mounting seat 2 is fixed to the inside of the shell, the buffer assembly is fixed to the inside of the scissor-type unloading frame, the buffer assembly is fixed to the inside of the shell, and the unloading rod is fixed to the movable pillar.

[0007] As a further solution of the utility model, the buffer assembly includes a mounting tube, a fixed plate, a pressure relief spring, a movable plate, and a telescopic rod. The mounting tube is fixed to the interior of the shell, the fixed plate is arranged inside the mounting tube, a raised limiting block is arranged on the top of the fixed plate, the pressure relief spring is fixed to the interior of the fixed plate, the movable plate is slidingly connected to the interior of the mounting tube, a telescopic rod is arranged on the top of the movable plate, and the telescopic rod is transmission-connected to the interior of the scissors-type unloading frame.

[0008] As a further solution of the utility model, movable grooves are provided on both sides of the shell.

[0009] As a further solution of the utility model, the support pads are symmetrically arranged at the left and right ends of the scissor-type unloading frame to ensure that the scissor-type unloading frame can push out the support pads.

[0010] As a further solution of the utility model, the second mounting seat, the buffer assembly and the unloading rod are perpendicular to the interior of the shell.

[0011] As a further solution of the utility model, the interior of the installation tube is a hollow structure.

[0012] As a further solution of the utility model, the pressure relief springs are provided with two groups, and the two groups of pressure relief springs are arranged on the fixing plate at the same level.

[0013] As a further solution of the present invention, the telescopic rod is overall in a "T"-shaped structure.

[0014] Compared with the prior art, the utility model provides a viscous damper for a frame structure, which has the following beneficial effects:

[0015] 1. A shock absorbing device is provided in the utility model. By arranging the shell on both sides of the support arm and the energy supply cylinder, the support pad can play a good buffering and limiting role on the left and two ends of the support arm and the energy supply cylinder with the cooperation of the scissor-type unloading frame. By installing the buffer component inside the scissor-type unloading frame, the scissor-type unloading frame has the performance of telescopic unloading, which prevents the connection between the support arm and the energy supply cylinder from being easily affected by the vibration force, causing shaking and wear, thereby achieving the purpose of arranging the shock absorbing device inside the support frame so that the shock absorbing device can play a buffering and shock absorbing role on both sides of the support frame and the energy supply cylinder, preventing the support frame from repeatedly pushing the support arm due to vibration, and frequently causing contact and wear at the connection with the energy supply cylinder, thereby solving the problem in the original equipment that when the wall is affected by an earthquake, the support arm is prone to strong friction at the connection with the support cylinder due to vibration, resulting in serious wear of the connecting end of the support cylinder.

[0016] 2. A buffer assembly is provided in the utility model, and the telescopic rod is fixed inside the scissor-type unloading frame, so that the movable plate can move with the telescopic rod, and with the cooperation of the pressure relief spring provided at the bottom of the movable plate, the movable plate can play a telescopic force relief role on the pressure exerted on the telescopic rod and the scissor-type unloading frame, and then by installing the buffer assembly inside the scissor-type unloading frame, the scissor-type unloading frame has a telescopic force relief effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the plane structure of the utility model;

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the shock absorbing device of the utility model;

[0020] Figure 4 It is a schematic diagram of the internal structure of the shock absorbing device of the utility model;

[0021] Figure 5 It is a schematic diagram of the structure of the buffer component of the utility model.

[0022] Among them: support frame-1, movable support-2, mounting seat 1-3, support arm-4, energy supply cylinder-5, shock absorbing device-6, shell-61, support pad-62, scissor-type unloading frame-63, mounting seat 2-64, buffer assembly-65, unloading rod-66, mounting tube-651, fixed plate-652, pressure relief spring-653, movable plate-654, telescopic rod-655. DETAILED DESCRIPTION

[0023] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0024] See also Figure 1 and Figure 2 , in the embodiment of the utility model:

[0025] A viscous damper for a frame structure includes a support frame 1, a movable pillar 2, a mounting seat 3, a support arm 4, an energy supply cylinder 5, and a shock absorbing device 6. The movable pillar 2 is installed inside the support frame 1, the mounting seat 3 is fixed to the outer side of the movable pillar 2, the top of the mounting seat 3 is connected to the support arm 4, the support arm 4 is respectively installed at both ends of the energy supply cylinder 5, and the shock absorbing device 6 is connected to the bottom of the movable pillar 2.

[0026] refer to Figure 3 and Figure 4 , in the embodiment of the utility model:

[0027] The shock absorbing device 6 includes a shell 61, a support pad 62, a scissor-type unloading frame 63, a second mounting seat 64, a buffer assembly 65, and an unloading rod 66. The shell 61 is fixed to the bottom of the movable pillar 2, the support pad 62 is connected to the outer side of the scissor-type unloading frame 63, the scissor-type unloading frame 63 is fixed to the inside of the shell 61, the second mounting seat 64 is arranged at the bottom of the scissor-type unloading frame 63, the second mounting seat 64 is fixed to the inside of the shell 61, the buffer assembly 65 is fixed to the inside of the scissor-type unloading frame 63, the buffer assembly 65 is fixed to the inside of the shell 61, and the unloading rod 66 is fixed to the movable pillar 2. Both sides of the shell 61 are provided with movable grooves, the support pads 62 are symmetrically arranged at the left and right ends of the scissor-type unloading frame 63, and the second mounting seat 64 and the buffer assembly 65 and the unloading rod 66 are perpendicular to the inside of the shell 61.

[0028] refer to Figure 5 , in the embodiment of the utility model:

[0029] The buffer assembly 65 includes a mounting tube 651, a fixed plate 652, a pressure relief spring 653, a movable plate 654, and a telescopic rod 655. The mounting tube 651 is fixed to the interior of the shell 61, the fixed plate 652 is arranged inside the mounting tube 651, a raised limiting block is arranged on the top of the fixed plate 652, the pressure relief spring 653 is fixed to the interior of the fixed plate 652, the movable plate 654 is slidably connected to the interior of the mounting tube 651, a telescopic rod 655 is arranged on the top of the movable plate 654, the telescopic rod 655 is connected to the interior of the scissor-type unloading frame 63 by transmission, the interior of the mounting tube 651 is a hollow structure, two groups of pressure relief springs 653 are provided, the two groups of pressure relief springs 653 are arranged on the fixed plate 652 at the same level, and the telescopic rod 655 presents a "T"-shaped structure as a whole.

[0030] refer to Figure 1-Figure 5 When in use, the support frame 1 is set at the connection between the two wall sections, and the energy supply cylinder 5 is started to push the support arm 4 to slide outward, so that the support arm 4 can lift the movable support 2, and the support frame 1 is fixed by the movable support 2, thereby ensuring that the support frame 1 can support and unload the walls at the upper and lower ends with the auxiliary support of the movable support 2, and then inject a proper amount of reinforcement material to reinforce the wall at that location;

[0031] When an earthquake occurs, by arranging the housing 61 on both sides of the support arm 4 and the energy supply cylinder 5, the support pad 62 can, in cooperation with the scissor-type unloading frame 63, play a good buffering and limiting role on the left and right ends of the support arm 4 and the energy supply cylinder 5, thereby preventing the connection between the support arm 4 and the energy supply cylinder 5 from being easily affected by the vibration force and causing vibration and wear;

[0032] At the same time, the telescopic rod 655 is fixed inside the scissor-type unloading frame 63, so that the movable plate 654 can move with the telescopic rod 655, and with the cooperation of the pressure relief spring 653 arranged at the bottom of the movable plate 654, the movable plate 654 can play a telescopic force relief role on the pressure exerted on the telescopic rod 655 and the scissor-type unloading frame 63, and then by installing the buffer assembly 65 inside the scissor-type unloading frame 63, the scissor-type unloading frame 63 has the performance of telescopic force relief, and then by arranging the shock absorbing device 6 inside the support frame 1, the shock absorbing device 6 can play a buffering and shock-absorbing role on both sides of the support frame 1 and the energy supply cylinder 5, preventing the support frame 1 from repeatedly pushing the support arm 4 due to vibration, and frequently causing contact and wear at the connection with the energy supply cylinder 5, thereby solving the problem in the original equipment that when the wall is affected by an earthquake, the support arm is prone to strong friction at the connection with the support cylinder due to vibration, resulting in severe wear of the connecting end of the support cylinder.

[0033] The control method of the present invention is to control by manually starting and closing the switch. The wiring diagram of the power element and the provision of power supply are common knowledge in the field, and the present invention is mainly used to protect mechanical devices, so the present invention will not explain the control method and wiring arrangement in detail.

[0034] The control method of the present invention is automatic control through a controller. The control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field. The present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0035] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A viscous damper for a frame structure, comprising a support frame (1), a movable support (2), a mounting seat (3), a support arm (4), an energy supply cylinder (5), and a shock absorbing device (6), wherein the movable support (2) is installed inside the support frame (1), the mounting seat (3) is fixed to the outer side of the movable support (2), the top of the mounting seat (3) is connected to the support arm (4), the support arm (4) is respectively installed at both ends of the energy supply cylinder (5), and the shock absorbing device (6) is connected to the bottom of the movable support (2); Features: The shock absorbing device (6) comprises a shell (61), a support pad (62), a scissor-type unloading frame (63), a second mounting seat (64), a buffer assembly (65), and a unloading rod (66); the shell (61) is fixed to the bottom of the movable pillar (2); the support pad (62) is connected to the outer side of the scissor-type unloading frame (63); the scissor-type unloading frame (63) is fixed to the inside of the shell (61); the mounting seat (64) is arranged at the bottom of the scissor-type unloading frame (63); the second mounting seat (64) is fixed to the inside of the shell (61); the buffer assembly (65) is fixed to the inside of the scissor-type unloading frame (63); the buffer assembly (65) is fixed to the inside of the shell (61); and the unloading rod (66) is fixed to the movable pillar (2).

2. A viscous damper for a frame structure according to claim 1, characterized in that: The buffer assembly (65) comprises a mounting tube (651), a fixed plate (652), a pressure relief spring (653), a movable plate (654), and a telescopic rod (655); the mounting tube (651) is fixed to the interior of the housing (61); the fixed plate (652) is arranged inside the mounting tube (651); a raised limiting block is arranged on the top of the fixed plate (652); the pressure relief spring (653) is fixed to the interior of the fixed plate (652); the movable plate (654) is slidably connected to the interior of the mounting tube (651); a telescopic rod (655) is arranged on the top of the movable plate (654); and the telescopic rod (655) is transmission-connected to the interior of the scissor-type unloading frame (63).

3. A viscous damper for a frame structure according to claim 1, characterized in that: Both sides of the housing (61) are provided with movable grooves.

4. The viscous damper for a frame structure according to claim 1, characterized in that: The support pads (62) are symmetrically arranged at the left and right ends of the scissor-type unloading frame (63).

5. The viscous damper for a frame structure according to claim 1, characterized in that: The second mounting seat (64), the buffer assembly (65) and the unloading rod (66) are perpendicular to the interior of the housing (61).

6. A viscous damper for a frame structure according to claim 2, characterized in that: The interior of the installation tube (651) is a hollow structure.

7. A viscous damper for a frame structure according to claim 2, characterized in that: The pressure relief springs (653) are provided in two groups, and the two groups of pressure relief springs (653) are arranged on the fixing plate (652) at the same level.

8. The viscous damper for a frame structure according to claim 2, characterized in that: The telescopic rod (655) is in a "T"-shaped structure as a whole.

Citation Information

Patent Citations

  • Method for installing full-effect viscous damper

    CN118087883A