CN116201254A - Self-limiting reset three-dimensional shock insulation tensile support - Google Patents
Self-limiting reset three-dimensional shock insulation tensile support Download PDFInfo
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- CN116201254A CN116201254A CN202210841096.9A CN202210841096A CN116201254A CN 116201254 A CN116201254 A CN 116201254A CN 202210841096 A CN202210841096 A CN 202210841096A CN 116201254 A CN116201254 A CN 116201254A
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- self
- reset
- support
- vibration isolation
- shock insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/0237—Structural braces with damping devices
Abstract
The invention belongs to the technical field of engineering structure seismic isolation and reduction, and particularly relates to a self-limiting reset three-dimensional seismic isolation tensile support. The self-limiting reset three-dimensional shock insulation and tension support comprises a damping part, a vertical self-reset shock insulation and tension support, a middle connecting steel plate and a horizontal self-reset shock insulation and tension support from bottom to top in sequence, wherein the damping part comprises a viscous liquid cylinder and a piston rod, the lower end of the piston rod is sleeved in the viscous liquid cylinder and is connected with the bottom of the viscous liquid cylinder through a shape memory alloy spring a, the vertical self-reset shock insulation and tension support is sleeved at the upper end of the piston rod of the damping part, and the middle connecting steel plate is arranged between the vertical self-reset shock insulation and tension support and the horizontal self-reset shock insulation and tension support; the invention resists horizontal and vertical earthquake waves, and has the advantages of self-limiting, resetting, large shearing deformation, strong earthquake dissipation capacity, strong tensile capacity, environmental protection and no pollution.
Description
Technical Field
The invention belongs to the technical field of engineering structure seismic isolation and reduction, and particularly relates to a self-limiting reset three-dimensional seismic isolation tensile support.
Background
Earthquake is a natural phenomenon in which vibration is caused in the process of rapidly releasing energy from the earth crust, and earthquake waves are generated during the process. The mutual extrusion collision between the earth upper plate and the plate causes the dislocation and cracking of the edge of the plate and the inside of the plate, which is the main cause of the earthquake. The current technology level cannot predict the arrival of the earthquake, the earthquake cannot be predicted in a quite long time in the future, so that the case of successfully predicting the earthquake is basically coincided, and for the earthquake, the earthquake is more likely to be improved in the earthquake resistance level of the building and the defense is better.
The traditional anti-seismic technology is to firmly connect partial structures on a building with a foundation, namely, the building is covered more firmly, thicker reinforcing steel bars and more concrete are used for pouring, but the anti-seismic technology is not ideal, so that an anti-seismic support is developed, namely, a shock insulation layer is added between the upper partial structure and a foundation, a rubber support is installed to play a role in soft connection with the ground, the traditional anti-seismic support generally uses a lead core rod rubber support, the lead core rod rubber support can well reduce the effect of horizontal earthquake, but cannot reduce vibration in the vertical direction, even the vertical earthquake can be increased to a certain extent correspondingly, and the swing phenomenon can occur for the building with larger height-width ratio, the traditional anti-seismic support has very low tensile capacity, the support can even be pulled to yield, so that the structure is subject to integral overturning damage, and the traditional urgent need is a self-limiting reset three-dimensional anti-seismic support to avoid damage caused by the earthquake.
Disclosure of Invention
Aiming at the defects and problems existing at present, the invention provides the self-limiting reset three-dimensional shock insulation tensile support which not only can resist earthquake waves in the horizontal direction and the vertical direction at the same time, but also has strong tensile capacity, self-limiting property, and large reset and shear deformation.
The invention solves the technical problems by adopting the scheme that: the utility model provides a self-limiting three-dimensional shock insulation tensile support that resets, self-limiting three-dimensional shock insulation tensile support that resets from the bottom up includes damping portion, vertical self-resetting shock insulation tensile support, intermediate junction steel plate and level self-resetting shock insulation tensile support in proper order, damping portion includes viscous liquid drum and piston rod, and the lower extreme suit of piston rod passes through shape memory alloy spring a with viscous liquid drum bottom and is connected, vertical self-resetting shock insulation tensile support suit is in damping portion's piston rod upper end, and the intermediate junction steel plate sets up between vertical self-resetting shock insulation tensile support and level self-resetting shock insulation tensile support, vertical self-resetting shock insulation tensile support includes friction sleeve and shape memory alloy spring b of a plurality of different internal diameters, the friction sleeve contact suit of a plurality of different internal diameters is in the same place, and friction sleeve contacts the suit at piston rod with the axle center installation, shape memory alloy spring b evenly sets up in friction sleeve's periphery and with intermediate junction steel plate and viscous liquid drum fixed connection, A the upper surface and the level self-resetting shock insulation tensile support fixed connection of intermediate junction steel plate, the upper surface of intermediate junction steel plate and the shock insulation support is connected with the upper and lower end of a plurality of shock absorber, the upper and lower end of the shock absorber and the rubber support is connected with the upper and lower end of a plurality of shock absorber units, the shock absorber unit is connected with the upper and is provided with the shock absorber unit.
Further, a spiral flow guide disc is further arranged in the viscous liquid cylinder, the inner wall of the viscous liquid cylinder is in sliding contact with the outer annular surface of the spiral flow guide disc, a plurality of flow guide holes are formed in the spiral flow guide disc, and the bottom of the piston rod is sleeved in the spiral flow guide disc and fixedly connected with the spiral flow guide disc.
Further, shape memory alloy springs d are arranged at the upper end and the lower end of each friction sleeve, the shape memory alloy springs d at the upper end and the lower end of each friction sleeve are alternately arranged from inside to outside, the shape memory alloy springs d at the upper end of each friction sleeve are fixedly connected with the lower surface of the middle connecting steel plate, and the shape memory alloy springs d at the lower end of each friction sleeve are fixedly connected with the upper end of the viscous liquid cylinder.
Further, the rubber support comprises an upper steel sealing plate, a core rod, a rubber layer, a glass fiber plate and a lower steel sealing plate, wherein the rubber layer and the glass fiber plate are alternately arranged around the core rod, and the periphery of the rubber support is wrapped with a rubber protection layer.
Further, the core rod is a Zn-22Al alloy core rod.
Further, the horizontal self-resetting vibration isolation tensile support further comprises a wave direction transfer mechanism, wherein the wave direction transfer mechanism comprises an arc-shaped bulge arranged at the bottom of the upper connecting steel plate and an arc-shaped groove matched with the arc-shaped bulge and arranged on the upper surface of the upper steel sealing plate.
Further, be provided with a plurality of screw hole on the last connection steel sheet, upward set up on the steel shrouding with last screw hole respectively the one-to-one lower screw hole, go up screw hole and lower screw hole through long pole bolted connection.
Further, a protective layer is arranged on the edge of the upper connecting steel plate and the upper steel sealing plate.
Compared with the prior art, the invention has the beneficial effects that: 1. according to the invention, the horizontal self-resetting vibration isolation tensile support is arranged, so that the rubber support generates horizontal shear deformation to consume earthquake energy, and the vibration isolation effect is realized; the damper stretches and compresses along with the horizontal deformation of the rubber support to further dissipate seismic energy, so that the support is prevented from being subjected to larger shear deformation; the shape memory alloy spring c at the periphery of the damper not only has the self-resetting effect, but also has the tensile effect, and the tensile capacity of the novel rubber support is enhanced; the displacement limiting steel plate prevents the support from excessively shearing deformation under the action of larger horizontal seismic waves; by arranging the wave direction transfer mechanism, the horizontal wave is converted into the vertical wave, so that the earthquake energy is further consumed; the Zn-22Al alloy core rod is adopted, so that the hysteresis energy consumption capability of the rubber support is enhanced, and the Zn-22Al alloy core rod has the advantages of environmental protection and no pollution.
2. According to the invention, the vertical self-resetting shock insulation tensile support and the damping part are arranged, the friction rings slide up and down mutually to consume vertical seismic energy, and the shape memory alloy spring d has the self-resetting and limiting functions; the piston rod and the spiral guide disc slide up and down to dissipate vertical seismic energy; the shape memory alloy spring b and the shape memory alloy spring a play roles of self-resetting, limiting and tensile resistance.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic top view of the vertical self-resetting shock insulation tensile support of the present invention;
FIG. 3 is a schematic illustration of the nested construction of the friction sleeve of the present invention;
FIG. 4 is a schematic view of the structure of the spiral baffle of the present invention;
FIG. 5 is a schematic view showing the structure of a wave direction transferring mechanism according to embodiment 2 of the present invention;
FIG. 6 is a schematic view of the construction of embodiment 2 of the present invention during installation;
fig. 7 is a schematic view of the structure of embodiment 2 of the present invention after installation.
In the figure, 1, a damping part; 11. a viscous liquid cylinder; 12. a piston rod; 13. a spiral guide disc; 14. a shape memory alloy spring a; 2. vertical self-resetting vibration isolation tensile support; 21. A friction sleeve; 22. a shape memory alloy spring b; 23. a shape memory alloy spring d; 3. horizontal self-resetting vibration isolation tensile support; 31. a steel plate is connected on the upper part; 32. a rubber support; 321. a steel sealing plate is arranged; 322. a core rod; 323. a rubber layer; 324. a glass fiber laminate; 325. a lower steel sealing plate; 326. a rubber protective layer; 33. a displacement restricting plate; 34. a damper; 35. a shape memory alloy spring c; 4. the middle is connected with a steel plate; 5. a protrusion; 6. an arc-shaped groove; 7. a long rod bolt; 8. short-rod bolts.
Detailed Description
The invention will be further described with reference to the drawings and examples.
Example 1: as shown in fig. 1 and 4: the self-limiting reset three-dimensional shock insulation tensile support comprises a damping part 1, a vertical self-reset shock insulation tensile support 2, a middle connecting steel plate 4 and a horizontal self-reset shock insulation tensile support 3 from bottom to top in sequence, wherein the damping part 1 comprises a viscous liquid cylinder 11 and a piston rod 12, the lower end of the piston rod 12 is sleeved in the viscous liquid cylinder 11 and is connected with the bottom of the viscous liquid cylinder 11 through a shape memory alloy spring a14, a spiral guide disc 13 is further arranged in the viscous liquid cylinder, the inner wall of the viscous liquid cylinder 11 is in sliding contact with the outer annular surface of the spiral guide disc 13, a plurality of guide holes are formed in the spiral guide disc 13, and the bottom of the piston rod 12 is sleeved in the spiral guide disc 13 and is fixedly connected with the spiral guide disc 13.
As shown in fig. 1-3, the vertical self-resetting shock insulation and tension support 2 is sleeved at the upper end of the piston rod 12 of the damping part, the middle connecting steel plate 4 is arranged between the vertical self-resetting shock insulation and tension support 3 and the horizontal self-resetting shock insulation and tension support 3, the vertical self-resetting shock insulation and tension support 2 comprises a plurality of friction sleeves 21 with different inner diameters and shape memory alloy springs b22, the friction sleeves 21 with different inner diameters are contacted and sleeved together, the friction sleeves 21 are contacted and sleeved at the upper end of the piston rod 12, the friction sleeves 21 and the piston rod 12 are coaxially installed, friction surfaces are arranged between the contact surfaces of the friction sleeves 21 with different inner diameters and between the contact surfaces of the friction sleeves 21 and the piston rod 12, the shape memory alloy springs b22 are uniformly arranged at the periphery of the friction sleeves 21 and fixedly connected with the middle connecting steel plate 4 and the viscous liquid cylinder 11, the shape memory alloy springs d23 at the upper end and the lower end of the friction sleeve 21 are alternately arranged from inside to outside, and the shape memory alloy springs d23 at the upper end and the lower end of the friction sleeve 21 are fixedly connected with the lower surface of the middle connecting steel plate 4 and the viscous liquid cylinder 11.
As shown in fig. 1, the upper surface of the intermediate connection steel plate 4 is fixedly connected with the horizontal self-resetting vibration-isolating tensile support 3, the horizontal self-resetting vibration-isolating tensile support 3 comprises an upper connection steel plate 31 and a rubber support 32, the rubber support 32 is arranged at the lower end of the upper connection steel plate 31, a cylindrical displacement limiting plate 33 is arranged at the periphery of the rubber support 32, the top of the displacement limiting plate 33 is fixedly connected with the lower end of the upper connection steel plate 31, the periphery of the rubber support 32 is uniformly connected with the inner wall of the displacement limiting plate 33 through a plurality of unit dampers, each unit damper is provided with a plurality of dampers 34, and shape memory alloy springs c35 are nested on the dampers 34.
The rubber support 32 comprises an upper steel sealing plate 321, a core rod 322, a plurality of layers of rubber layers 323 and glass fiber boards 324 which are alternately arranged up and down around the core rod 322, and a lower steel sealing plate 325, wherein the upper steel sealing plate 321 and the lower steel sealing plate 325 are connected with the rubber layers 323 by adopting a thermal flow process, the connection between the glass fiber boards 324 and the rubber layers 323 is also a thermal vulcanization process, the bonding agents between the upper steel sealing plate 321 and the rubber layers 323, between the lower steel sealing plate 325 and the rubber layers 323 and between the rubber layers 323 and the glass fiber boards 324 are all double-component Haimrock bonding agents, the periphery of the rubber support 32 is wrapped with a rubber protection layer 326, and the core rod 322 is a Zn-22Al alloy core rod.
When a horizontal earthquake is received, the rubber support 32 generates horizontal shear deformation to consume earthquake energy, the vibration isolation function is achieved, the damper 34 is stretched or compressed along with the horizontal deformation of the rubber support 32 to further dissipate the earthquake energy, the support is prevented from generating larger shear deformation, the shape memory alloy spring c35 at the periphery of the damper 34 is compressed or stretched along with the horizontal deformation of the rubber support 32 to accumulate part of energy, the shape memory alloy spring c35 is restored to the original state by utilizing the accumulated energy after the horizontal earthquake wave is finished, the self-restoring effect is achieved, the shape memory alloy spring c35 also plays the tensile function, the tensile capacity of the rubber support 32 is enhanced, meanwhile, the displacement limiting steel plate 33 also plays the limiting function, the support is prevented from generating excessive shear deformation under the action of larger horizontal earthquake waves, the lead in the traditional lead rubber support is replaced by the Zn-22Al alloy core rod, the hysteresis energy consumption capacity of the rubber support 32 is enhanced, and the Zn-22Al alloy core rod has the advantages of environmental protection and no pollution.
When a vertical earthquake is received, the friction rings 21 mutually slide up and down to consume the vertical earthquake energy, and the shape memory alloy spring d23 at the end part of each friction ring 21 has the functions of self-resetting and limiting; the piston rod 12 and the spiral guide disc 13 reciprocate up and down in the flow of viscous liquid to be converted into heat to dissipate, so that the movement speed of the piston rod 12 is gradually reduced, the purpose of damping energy consumption is achieved, vertical seismic energy is dissipated, the support is facilitated to quickly recover to a stable state, a plurality of (determined according to actual engineering) shape memory alloy springs b22 are arranged on the periphery of the friction ring 21 along the circumferential direction, the self-limiting, resetting and tensile effects are achieved, and the shape memory alloy springs a14 at the bottom of the piston rod 12 also have the self-limiting, resetting and tensile effects.
Example 2: in order to further dissipate horizontal seismic energy, a wave direction transfer mechanism is further arranged on the horizontal self-resetting vibration-isolating tensile support, the wave direction transfer mechanism comprises an arc-shaped protrusion 5 arranged at the bottom of an upper connecting steel plate 31 and an arc-shaped groove 6 arranged on the upper surface of an upper steel sealing plate 321 and matched with the arc-shaped protrusion 5, the radian of the arc-shaped groove 6 is 2 degrees, the arc-shaped protrusion 5 is prevented from sliding out of the arc-shaped groove 6, six upper threaded holes are formed in the upper connecting steel plate 31, lower threaded holes corresponding to the upper threaded holes one by one are formed in the upper steel sealing plate 321, the upper threaded holes are connected with the lower threaded holes through long-rod bolts 7, and a layer of rubber material protection layer is wrapped on the seam edge of the upper connecting steel plate 31 and the upper steel sealing plate 321 to prevent lubricating oil in the arc-shaped groove 6 from drying.
When a horizontal earthquake is received, the arc-shaped protrusions 5 slide in the arc-shaped grooves 6 along an arc-shaped route, so that horizontal waves are partially converted into vertical waves, and the effect of dissipating horizontal earthquake energy is further achieved.
The wave direction transfer mechanism is an integral structure that an upper threaded hole and a lower threaded hole are connected by a long rod bolt 7 in the early stage, the arc-shaped protrusion 5 is guaranteed to be screwed out in sequence in an arc-shaped groove 6 when construction is carried out or after construction is completed, lubricating oil is injected into the upper threaded hole, friction between the protrusion 5 at the lower part of an upper connecting steel plate 31 and the arc-shaped groove 5 of an upper rigid sealing plate 321 is reduced, the upper threaded hole is sealed by a short rod bolt 8 after the oil injection is completed, and dust is prevented from falling into the arc-shaped groove 6 and the lubricating oil is prevented from drying.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (8)
1. The utility model provides a three-dimensional shock insulation tensile support that resets from spacing which characterized in that: the self-limiting reset three-dimensional vibration isolation and tension support comprises a damping part, a vertical self-reset vibration isolation and tension support, a middle connecting steel plate and a horizontal self-reset vibration isolation and tension support from bottom to top in sequence, wherein the damping part comprises a viscous liquid cylinder and a piston rod, the lower end of the piston rod is sleeved in the viscous liquid cylinder and is connected with the bottom of the viscous liquid cylinder through a shape memory alloy spring a, the vertical self-reset vibration isolation and tension support is sleeved at the upper end of the piston rod of the damping part, the middle connecting steel plate is arranged between the vertical self-reset vibration isolation and tension support and the horizontal self-reset vibration isolation and tension support, the vertical self-reset vibration isolation and tension support comprises a plurality of friction sleeves with different inner diameters and a shape memory alloy spring b, the friction sleeves with different inner diameters are sleeved at the upper end of the piston rod in a contact mode, the friction sleeves are coaxially installed with the piston rod, the shape memory alloy spring b is uniformly arranged on the periphery of the friction sleeves and is fixedly connected with the middle connecting steel plate and the viscous liquid cylinder, the upper surface of the middle connecting steel plate is fixedly connected with the horizontal self-reset vibration isolation and tension support, the vertical self-reset vibration isolation and tension support comprises an upper connecting rubber sleeve, a plurality of friction sleeves with a plurality of upper vibration isolation and a plurality of vibration isolation and tension supports are uniformly connected with the upper cylinder and lower cylinder, and a plurality of damping units are uniformly connected with the upper cylinder and lower cylinder and are fixedly connected with the upper cylinder and lower cylinder, and each damping support is provided with a damping cylinder and lower cylinder and with a damping cylinder.
2. The self-limiting reset three-dimensional shock-insulating tensile support according to claim 1, wherein: still be provided with spiral water conservancy diversion dish in the viscous liquid drum, viscous liquid drum inner wall and spiral water conservancy diversion dish's outer loop face are sliding to be contradicted together, set up a plurality of water conservancy diversion hole on spiral water conservancy diversion dish, the bottom suit of piston rod is in spiral water conservancy diversion dish and in spiral water conservancy diversion dish fixed connection.
3. The self-limiting reset three-dimensional shock-insulating tensile support according to claim 1, wherein: the upper end and the lower end of each friction sleeve are respectively provided with a shape memory alloy spring d, the shape memory alloy springs d at the upper end and the lower end of each friction sleeve are alternately arranged from inside to outside, the shape memory alloy springs d at the upper end of each friction sleeve are fixedly connected with the lower surface of the middle connecting steel plate, and the shape memory alloy springs d at the lower end of each friction sleeve are fixedly connected with the upper end of the viscous liquid cylinder.
4. The self-limiting reset three-dimensional shock insulation tensile support according to claim 1, wherein: the rubber support comprises an upper steel sealing plate, a core rod, a rubber layer, a glass fiber plate and a lower steel sealing plate, wherein the rubber layer and the glass fiber plate are alternately arranged around the core rod, and the periphery of the rubber support is wrapped with a rubber protection layer.
5. The self-limiting reset three-dimensional shock insulation tensile support according to claim 4, wherein: the core rod is a Zn-22Al alloy core rod.
6. The self-limiting reset three-dimensional shock-insulating tensile support according to claim 1, wherein: the horizontal self-resetting vibration isolation tensile support further comprises a wave direction transfer mechanism, wherein the wave direction transfer mechanism comprises an arc-shaped bulge arranged at the bottom of the upper connecting steel plate and an arc-shaped groove arranged on the upper surface of the upper steel sealing plate and matched with the arc-shaped bulge.
7. The self-limiting reset three-dimensional shock-insulating tensile support according to claim 6, wherein: the upper connecting steel plate is provided with a plurality of upper threaded holes, the upper steel sealing plate is provided with lower threaded holes corresponding to the upper threaded holes one by one respectively, and the upper threaded holes and the lower threaded holes are connected through long rod bolts.
8. The self-limiting reset three-dimensional shock-insulating tensile support according to claim 7, wherein: the edge of the upper connecting steel plate and the upper steel sealing plate is provided with a protective layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210841096.9A CN116201254A (en) | 2022-07-18 | 2022-07-18 | Self-limiting reset three-dimensional shock insulation tensile support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210841096.9A CN116201254A (en) | 2022-07-18 | 2022-07-18 | Self-limiting reset three-dimensional shock insulation tensile support |
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| CN116201254A true CN116201254A (en) | 2023-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210841096.9A Pending CN116201254A (en) | 2022-07-18 | 2022-07-18 | Self-limiting reset three-dimensional shock insulation tensile support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386020A (en) * | 2023-12-12 | 2024-01-12 | 石家庄铁道大学 | Graded energy consumption type three-way shock-absorbing and isolating support and manufacturing method thereof |
-
2022
- 2022-07-18 CN CN202210841096.9A patent/CN116201254A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117386020A (en) * | 2023-12-12 | 2024-01-12 | 石家庄铁道大学 | Graded energy consumption type three-way shock-absorbing and isolating support and manufacturing method thereof |
| CN117386020B (en) * | 2023-12-12 | 2024-02-23 | 石家庄铁道大学 | Graded energy consumption type three-way shock-absorbing and isolating support and manufacturing method thereof |
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