CN219060440U - Spring-rubber self-resetting friction energy dissipation device - Google Patents
Spring-rubber self-resetting friction energy dissipation device Download PDFInfo
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- CN219060440U CN219060440U CN202223394171.6U CN202223394171U CN219060440U CN 219060440 U CN219060440 U CN 219060440U CN 202223394171 U CN202223394171 U CN 202223394171U CN 219060440 U CN219060440 U CN 219060440U
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- 238000005265 energy consumption Methods 0.000 claims abstract description 53
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- 230000035939 shock Effects 0.000 abstract description 7
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 239000010410 layer Substances 0.000 description 11
- 238000013016 damping Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
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- 229910000831 Steel Inorganic materials 0.000 description 2
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- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a spring-rubber self-resetting friction energy consumption device, which comprises a frame outer cylinder, a connecting guide rod, a resetting system and a friction energy consumption system, wherein the resetting system comprises a first resetting component and a second resetting component; the connecting guide rod penetrates through the outer frame cylinder and is connected with the friction energy consumption system, the reset system and the friction energy consumption system are arranged inside the outer frame cylinder, a first reset assembly is arranged in the middle of the friction energy consumption system, and a second reset assembly is arranged between the friction energy consumption system and the outer frame cylinder. According to the utility model, the friction between the friction block and the friction plate is generated through the displacement of the connecting guide rod, so that the earthquake energy is dissipated through friction acting, and the purposes of energy consumption and shock absorption are achieved; the friction resistance energy consumption device with the rectangular frame outer cylinder has the self-resetting function in two directions of compression and tension; meanwhile, the device is wide in application, can be used between floor frames and beam-column nodes, and consumes seismic energy.
Description
Technical Field
The utility model relates to a spring-rubber self-resetting friction energy consumption device, and belongs to the field of shock absorption.
Background
In recent years, casualties caused by strong earthquake are reduced, and the earthquake-resistant structure achieves the aim of preventing the earthquake from falling down, but the excessive residual deformation of the structure after the earthquake causes the use function of the building to be interrupted, and high maintenance cost is generated. Studies have shown that when the residual interlayer displacement angle of the structure after a earthquake exceeds 0.5%, the repair cost will be higher than the reconstruction cost.
The structure is required to dissipate the energy input by external load under rare earthquakes, ensure enough structural rigidity and have enough self-resetting property after rare earthquakes, namely the composite self-resetting friction energy dissipation device. However, the existing friction damper consumes energy due to the fact that the self combined component and the friction plate slide relatively under the pretightening force, residual deformation is large after plastic deformation of a structure occurs after an earthquake occurs, and the friction damper cannot be restored to an original working state, so that post-earthquake repair is not facilitated; it is therefore necessary to design a friction dissipative device with a self-resetting function.
Disclosure of Invention
The utility model provides a spring-rubber self-resetting friction energy consumption device, which is characterized in that a connecting guide rod penetrates through a friction block fixed on an outer cylinder of a frame, a damping device is constructed by utilizing mutual friction between the friction block and a friction plate to generate a damping effect, and a resetting system is further matched to realize resetting.
The technical scheme of the utility model is as follows: the spring-rubber self-resetting friction energy consumption device comprises a frame outer barrel 1, a connecting guide rod 2, a resetting system and a friction energy consumption system, wherein the resetting system comprises a first resetting component and a second resetting component; the connecting guide rod 2 penetrates through the frame outer cylinder 1 to be connected with the friction energy consumption system, the reset system and the friction energy consumption system are installed inside the frame outer cylinder 1, a first reset component is installed in the middle of the friction energy consumption system, and a second reset component is installed between the friction energy consumption system and the frame outer cylinder 1.
The friction energy consumption system comprises two friction plates 4 which are arranged left and right and two friction blocks 5 which are arranged up and down, wherein a first reset component is arranged in the middle of the two friction blocks 5, and the friction plates 4 are arranged on two sides of the whole body formed by the first reset component and the two friction blocks 5.
The first return assembly employs a spring cushion 6.
The second reset assembly comprises a rubber cushion 7 and a reset spring 8; rubber cushion layers 7 are arranged between the upper end and the lower end of the friction energy consumption system and the frame outer cylinder 1, and return springs 8 are arranged between the left end and the right end of the friction energy consumption system and the frame outer cylinder 1.
The frame outer cylinder 1 comprises a left frame body 1-1 and a right frame body 1-2; the left frame body 1-1 and the right frame body 1-2 are connected through split bolts 3 to form a rectangle.
The beneficial effects of the utility model are as follows: according to the utility model, the friction between the friction block and the friction plate is generated through the displacement of the connecting guide rod, so that the earthquake energy is dissipated through friction acting, and the purposes of energy consumption and shock absorption are achieved; the friction resistance energy consumption device with the rectangular frame outer cylinder has the self-resetting function in two directions of compression and tension; meanwhile, the device is wide in application, can be used between floor frames and beam-column nodes, and consumes seismic energy.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the cross-sectional structure A-A of FIG. 1;
FIG. 3 is a schematic view of the cross-sectional structure B-B in FIG. 1;
FIG. 4 is a schematic view of the cross-sectional structure of C-C in FIG. 1;
FIG. 5 is a view showing the construction of the external appearance of the present utility model;
the reference numerals in the figures are: 1-frame outer cylinder, 1-1-left frame body, 1-2-right frame body, 2-connecting guide rod, 3-split bolt, 4-friction plate, 5-friction block, 6-spring cushion layer, 7-rubber cushion layer and 8-reset spring.
Detailed Description
The utility model will be further described with reference to the drawings and examples, but the utility model is not limited to the scope.
Example 1: 1-5, the spring-rubber self-resetting friction energy consumption device comprises a frame outer barrel 1, a connecting guide rod 2, a resetting system and a friction energy consumption system, wherein the resetting system comprises a first resetting component and a second resetting component; the connecting guide rod 2 penetrates through the frame outer cylinder 1 to be connected with the friction energy consumption system, the reset system and the friction energy consumption system are installed inside the frame outer cylinder 1, a first reset component is installed in the middle of the friction energy consumption system, and a second reset component is installed between the friction energy consumption system and the frame outer cylinder 1.
Optionally, the friction energy consumption system comprises two friction plates 4 which are arranged left and right and two friction blocks 5 which are arranged up and down, a first reset component is arranged in the middle of the two friction blocks 5, and the friction plates 4 are arranged on two sides of the whole formed by the first reset component and the two friction blocks 5. The friction plate 4 and the friction block 5 are mutually meshed through the fixation of the outer barrels I and II of the frame.
Optionally, the first return assembly employs a spring cushion 6.
Optionally, the second reset component comprises a rubber cushion 7 and a reset spring 8; rubber cushion layers 7 are arranged between the upper end and the lower end of the friction energy consumption system and the frame outer cylinder 1, and return springs 8 are arranged between the left end and the right end of the friction energy consumption system and the frame outer cylinder 1. The return spring 8 may be a compression spring; the length, width and height of the frame outer cylinder 1 and the number of the reset springs 8 can be adjusted according to the damping requirement.
Optionally, the frame outer cylinder 1 comprises a left frame body 1-1 and a right frame body 1-2; the left frame body 1-1 and the right frame body 1-2 are connected through split bolts 3 to form a rectangle. As shown in fig. 5, the upper parts and the lower parts of the left frame body 1-1 and the right frame body 1-2 are respectively provided with a U-shaped opening, the openings at the upper parts of the left frame body 1-1 and the right frame body 1-2 form a rectangular opening, and the rectangular opening is in clearance fit with the connecting guide rod 2, so that the connecting guide rod 2 can conveniently penetrate through and be connected with the friction block 5. The friction plate 4 is clamped between the friction block 5 and the spring cushion 8 through the split bolt 3, and the spring cushion 8 is reset between the frame outer cylinder 1 and the friction plate 4 through the split bolt. Further, a gap between the rectangular opening and the connecting guide rod 2 may be set to 5 to 10mm; the space between the split bolts 3 which are symmetrically arranged on the surface of the outer cylinder 1 of the frame is 200mm.
As shown in fig. 1, in the present embodiment, the friction energy consumption system includes an upper friction block, a lower friction block, a left friction plate, and a right friction plate; the upper connecting guide rod 2 passes through the frame outer cylinder 1 and the upper rubber cushion layer 7 to be fixedly connected with the upper friction block 5 in a welding way, and the lower connecting guide rod 2 passes through the frame outer cylinder 1 and the lower rubber cushion layer 7 to be fixedly connected with the lower friction block 5 in a welding way; the friction plate is mutually meshed with the upper friction block, the spring cushion layer and the lower friction block through the fixation of the frame outer cylinder I and the frame outer cylinder II (as shown in the figure, the meshed surfaces of the friction plate and the friction block are protrusions and grooves, for example, the friction block 5 is provided with a protrusion which is an isosceles trapezoid, the friction plate 4 is provided with a groove which is an isosceles trapezoid, the joint of any two adjacent isosceles trapezoid grooves forms a triangular tip, and the joint of any two adjacent isosceles trapezoid protrusions forms a triangular indent); the resetting system comprises a resetting spring 8 welded and fixed on the frame outer barrel 1, a spring cushion layer 6 clamped between two friction blocks 5, and a rubber cushion layer 7 clamped between the frame outer barrel 1 and the friction blocks 5, wherein the spring cushion layer 6 is fixed through a buckle at the edge of the frame outer barrel. After the internal system is installed, the frame outer cylinder I and the frame outer cylinder II are fixed into a whole through the split bolts 3.
Before use, the spring-rubber self-resetting friction energy consumption device is constructed by applying the technical scheme. When the self-resetting friction energy consumption device is particularly used, the self-resetting friction energy consumption device is connected with an external structure through the connecting guide rods 2 at the two ends, and can be arranged on the vibration reduction control of the frame structure under the earthquake action, and the self-resetting friction energy consumption device has a diagonal rod connection or herringbone connection mode; the spring-rubber self-resetting friction energy dissipation device can be arranged in the shock insulation structure, and the connecting rod is respectively connected to the upper structure and the lower pier of the shock insulation layer, so that the shock absorption and energy dissipation effects can be exerted under the earthquake action. The rectangular frame type spring-rubber self-resetting friction energy consumption device has metal friction energy consumption, spring energy consumption and rubber energy consumption, and has a self-resetting function in two states of compression and tension through slotting of the inner cylinder; the utility model has simple manufacture and convenient repair, the provided damping force can be adjusted by changing the contact area of the friction plate 4 and the friction block 5, the initial rigidity is adjustable, the stress is reasonable, the energy consumption capability is high, the construction and the installation are convenient and quick, the friction energy consumption device has low manufacturing cost, and the utility model can be widely popularized.
The working principle of the utility model is as follows: when the connecting guide rod 2 on the friction energy dissipation device arranged between frames or above beam column joints is pulled or pressed under the action of earthquake load or wind load, the connecting guide rod 2 and the friction block 5 are fixedly connected through welding, so that relative sliding is generated between the friction block 5 and the friction plate 4 fixed on the outer cylinder 1 of the frame, and the friction block 5 and the friction plate 4 are utilized to conduct energy dissipation and shock absorption through friction by two parts made of high-strength steel (the high-strength steel can be set to have the strength of Q295 or more). When the tension action is generated, after friction sliding, the friction plate 4 is pressed outwards by the friction block 5 to generate friction and displacement, so that the return compression spring 8 and the rubber cushion 7 are pressed, and the return spring 8 is pressed and the spring cushion 6 is pulled to generate a return force to enable the self-return. When the compression is applied, the friction plate 4 is also pressed outwards by the friction blocks 5 to generate friction and displacement, so that the return spring 8 and the spring cushion 6 clamped between the two friction blocks are pressed, and the compression generates a restoring force to enable the return force to return to the initial position to achieve the self-resetting effect.
While the present utility model has been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.
Claims (5)
1. The spring-rubber self-resetting friction energy consumption device is characterized by comprising a frame outer cylinder (1), a connecting guide rod (2), a resetting system and a friction energy consumption system, wherein the resetting system comprises a first resetting component and a second resetting component; the connecting guide rod (2) penetrates through the frame outer cylinder (1) to be connected with the friction energy consumption system, the reset system and the friction energy consumption system are arranged inside the frame outer cylinder (1), a first reset component is arranged in the middle of the friction energy consumption system, and a second reset component is arranged between the friction energy consumption system and the frame outer cylinder (1).
2. The spring-rubber self-resetting friction energy consumption device according to claim 1, wherein the friction energy consumption system comprises two friction plates (4) which are arranged left and right and two friction blocks (5) which are arranged up and down, a first resetting component is arranged in the middle of the two friction blocks (5), and the friction plates (4) are arranged on two sides of the whole body formed by the first resetting component and the two friction blocks (5).
3. The spring-rubber self-resetting friction and energy-consuming device according to claim 1, characterized in that the first resetting component adopts a spring cushion (6).
4. The spring-rubber self-resetting friction and energy consumption device according to claim 1, wherein the second resetting component comprises a rubber cushion layer (7) and a resetting spring (8); rubber cushion layers (7) are arranged between the upper end and the lower end of the friction energy consumption system and the frame outer cylinder (1), and return springs (8) are arranged between the left end and the right end of the friction energy consumption system and the frame outer cylinder (1).
5. The spring-rubber self-resetting friction energy consumption device according to claim 1, wherein the frame outer cylinder (1) comprises a left frame body (1-1) and a right frame body (1-2); the left frame body (1-1) and the right frame body (1-2) are connected through split bolts (3) to form a rectangle.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223394171.6U CN219060440U (en) | 2022-12-14 | 2022-12-14 | Spring-rubber self-resetting friction energy dissipation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202223394171.6U CN219060440U (en) | 2022-12-14 | 2022-12-14 | Spring-rubber self-resetting friction energy dissipation device |
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| CN219060440U true CN219060440U (en) | 2023-05-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905678A (en) * | 2023-07-05 | 2023-10-20 | 北京工业大学 | Self-resetting friction energy dissipation damper |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116905678A (en) * | 2023-07-05 | 2023-10-20 | 北京工业大学 | Self-resetting friction energy dissipation damper |
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