CN103266556A - Shock insulation rubber support - Google Patents
Shock insulation rubber support Download PDFInfo
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- CN103266556A CN103266556A CN2013101954099A CN201310195409A CN103266556A CN 103266556 A CN103266556 A CN 103266556A CN 2013101954099 A CN2013101954099 A CN 2013101954099A CN 201310195409 A CN201310195409 A CN 201310195409A CN 103266556 A CN103266556 A CN 103266556A
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Abstract
The invention provides a shock insulation rubber support which comprises a base plate (1) and a top plate (2). A rubber pad (3), a middle steel linear plate (4), a polyfluortetraethylene plate (5) and a stainless steel sliding plate (6) are arranged between the base plate (1) and the top plate (2). The base plate (1) and the top plate (2) are connected through horizontal lead rods (702). The top plate (2) is connected with the middle steel linear plate (4) through vertical lead rods (701). Reset springs (9) are further arranged between the middle steel linear plate (4) and the top plate (2). When vertical tensile force and transverse shear force are generated under the action of earthquake, the horizontal lead rods between the base plate and the top plate can offset the vertical tensile force and part of the transverse shear force on the basis of maintaining integrality of the support to limit the vertical displacement. The vertical lead rods arranged between the top plate and the middle steel linear plate can offset part of the shear force and can reduce influence of vibration on a bridge on the upper portion of the support due to the fact that shearing deformation of the lead rods need to consume energy.
Description
Technical field
The present invention relates to a kind of bridge pad, be specifically related to a kind ofly realize tension, shearing resistance power consumption and from the benzvalene form shock insulation rubber bearing of reset function.
Background technology
In bridge construction, the horizontal movement that produces for adaptive temperature variation etc. and corner, shock attenuation needs need erection support to carry out the horizontal force that transmits on pressure-bearing and the transfer beams.Presently used pot bearing comprises top board, middle steel liner plate, pressure-bearing rubber tile and base plate, is provided with the friction pair that stainless steel slide plate or antifriction plate and tetrafluoro slide plate constitute between top board and middle steel liner plate.This pot rubber bearing in use can only bear horizontal force and pressure, can not be to the pulling force generation effect of vertical direction.When geological process, may jump beam, beam or the frame that falls fall.In the earthquake only the distortion by rubber pad come the consumed energy DeGrain.Can not realize after the shake resetting or the reset cycle long.
Summary of the invention
In order to remedy the defective of prior art, patent of the present invention provides a kind of and has had tension, shearing resistance power consumption and from the benzvalene form shock insulation rubber bearing of reset function, can be to vertical pulling force and horizontal shear force generation effect under geological process, the restriction vertical displacement, effectively prevent jumping beam, beam or the frame that falls fall, utilize the superior characteristics of energy-dissipating property of lead rod simultaneously, reduce earthquake motion to the dynamic effect of top beam body, the difficulty that resets that back-moving spring then can solve after the bearing shake waits from resetting problem slowly with resetting.This patent of invention has tangible practical value.
In order to realize above-mentioned technical purpose, the technical scheme of patent of the present invention is, the present invention is a kind of shock insulation rubber bearing, comprise base plate and top board, be provided with rubber pad, middle steel liner plate, polyfluortetraethylene plate and stainless steel slide plate between base plate and the top board, be connected by horizontal lead rod between base plate and the top board, be connected by vertical lead rod between top board and the middle steel liner plate, also be provided with back-moving spring between middle steel liner plate and the top board.
The present invention is that also top board is the annular peviform structure that opening arranges down.
The present invention also is, base plate is the annular peviform structure of the outer toss of band shape that arranges up of opening.
The present invention is that also the basin opening of base plate can extend in the basin opening of top board.
The present invention also is, rubber pad, middle steel liner plate, polyfluortetraethylene plate and stainless steel slide plate from down and on arrange successively.
The present invention is that also rubber pad covers at the bottom of the basin of base plate fully.
The present invention is that also the rubber pad edge is provided with sealing ring with the position that middle steel liner plate contacts.
The present invention also is, middle steel liner plate is the encorbelment cylindrical structure on limit of top band shape, is connected by back-moving spring between the tub wall of encorbelment limit and top board, and the top of middle steel liner plate is connected by vertical lead rod with top board.
The present invention is that also horizontal lead rod and/or vertical lead rod are wrapped with rubber sleeve.
The present invention is that also base plate and/or top board are provided with bolt hole.
The present invention is that also vertical lead rod, horizontal lead rod and back-moving spring correspondence up and down arrange in groups, and corresponding vertical lead rod, horizontal lead rod and back-moving spring in groups equidistantly arranged along bearing axis hoop.
Patent beneficial effect of the present invention is:
By between top board and the base plate, the lead rod that arranges between top board and the middle steel liner plate connects, thereby bearing is connected resists vertical pulling force and horizontal shear force, and utilize lead rod distortion absorption energy to reach the energy-dissipating and shock-absorbing effect, back-moving spring has then been realized good reset capability and auxiliary energy-dissipating property, has avoided earthquake centre and shake rear support to reset difficult and the slow problem that resets; In addition, patent of the present invention also has batch production and makes simple and on-the-spot advantage such as easy for installation, has tangible practical value and economic benefit.
When producing vertical pulling force and cross shear under geological process, the horizontal lead rod between base plate and the top board can be offset vertical pulling force and parts transversely shearing force on the basis that keeps the bearing globality, thus the restriction vertical displacement; Vertical lead rod between top board and the middle steel liner plate then can be offset the part shearing force, because the shear strain of lead rod requires the expenditure of energy, thereby can reduce earthquake motion to the influence of bearing top bridge, solved the poor-performing that existing bearing bears pulling force, the shortcoming of using in the bridge that is not suitable in use having uplift force to exist is arranged on the problem that resets certainly after back-moving spring between top board and middle steel liner plate then can solve the bearing shake.
Below in conjunction with accompanying drawing patent of the present invention is described further.
Description of drawings
Fig. 1 for the embodiment of the invention have tension, shearing resistance power consumption and from the schematic diagram of the benzvalene form shock insulation rubber bearing of reset function;
Fig. 2 is the sectional view of A-A among Fig. 1;
Fig. 3 is the sectional view of B-B among Fig. 1;
Wherein 1 is base plate, and 2 is top board, and 3 is rubber pad, and 4 is middle steel liner plate, and 5 is polyfluortetraethylene plate, and 6 is the stainless steel slide plate, and 701 is that vertical lead rod, 702 is horizontal lead rod, and 8 is rubber sleeve, and 9 is back-moving spring, and 10 is sealing ring, and 11 is bolt hole.
The specific embodiment
Below to the further specifying of patented technology content of the present invention, but it is not restriction to patent flesh and blood of the present invention.
Fig. 1 for the embodiment of the invention have tension, shearing resistance power consumption and from the schematic diagram of the pot rubber bearing of reset function; Fig. 2 is the sectional view of A-A among Fig. 1; Fig. 3 is the sectional view of B-B among Fig. 1; As shown in Figure 1, 2, 3, has tension, shearing resistance power consumption and from the benzvalene form shock insulation rubber bearing of reset function, comprise base plate 1 and top board 2, be provided with rubber pad 3, middle steel liner plate 4, polyfluortetraethylene plate 5 and stainless steel slide plate 6 between base plate 1 and the top board 2, be connected by horizontal lead rod 702 between base plate 1 and the top board 2, be connected by vertical lead rod 701 between top board 2 and the middle steel liner plate 4, also be provided with back-moving spring 9 between middle steel liner plate 4 and the top board 2.The annular peviform structure that top board 2 arranges down for opening.The annular peviform structure of the outer toss of the band shape that base plate 1 arranges up for opening.The basin opening of base plate 1 can extend in the basin opening of top board 2.Rubber pad 3, middle steel liner plate 4, polyfluortetraethylene plate 5 and stainless steel slide plate 6 from down and on arrange successively.Rubber pad 3 covers at the bottom of the basin of base plate 1 fully.Rubber pad 3 edges are provided with sealing ring 10 with the position that middle steel liner plate 4 contacts.Middle steel liner plate 4 is the encorbelment cylindrical structure on limit of top band shape, is connected by back-moving spring 9 between the tub wall of encorbelment limit and top board 2, and the top of middle steel liner plate 4 is connected by vertical lead rod 701 with top board 2.Horizontal lead rod 702 and/or vertical lead rod 701 are wrapped with rubber sleeve 8.Base plate 1 and/or top board 2 are provided with bolt hole 11.Vertical lead rod 701, horizontal lead rod 702 and back-moving spring 9 about correspondence arrange in groups, correspondence vertical lead rod 701, horizontal lead rod 702 and back-moving spring 9 in groups equidistantly arranged along bearing axis hoop.
When producing vertical pulling force and cross shear under geological process, the horizontal lead rod 702 between base plate 1 and the top board 2 can be offset vertical pulling force and parts transversely shearing force on the basis that keeps the bearing globality, thus the restriction vertical displacement; Vertical lead rod 701 between top board 2 and the middle steel liner plate 4 then can be offset the part shearing force, because the shear strain of lead rod requires the expenditure of energy, thereby can reduce earthquake motion to the influence of bearing top bridge, solved the poor-performing that existing bearing bears pulling force, the shortcoming of using in the bridge that is not suitable in use having uplift force to exist, the back-moving spring 9 that is arranged on 4 of top board 2 and middle steel liner plates then can solve the problem that resets certainly after the bearing shake.
Neoprene bearing is one-way support, and its principal direction is vertically arranged along bridge.
Form by horizontal lead rod 702 between base plate 1 and the top board 2 and be connected, under the geological process level to not retraining, but vertical limiting displacement and lead rod shear energy dissipation, thereby realize that tension consumes energy; Middle steel liner plate 4 is connected with horizontal reset spring 9 by vertical lead rod 701 with top board 2, under horizontal earthquake action, and lead rod shearing resistance power consumption, back-moving spring 9 provides reset force, realizes resetting of shake rear support.
Lead rod wraps up with rubber sleeve 8, thereby because the rubber good deformation property can realize level to not retraining, can play sealing simultaneously again and prevent the effect that lead poisoning leaks.
The thickness of rubber sleeve 8 can change flexibly according to the difference of lead rod shear strain size, increases one by one counterclockwise along bearing principal direction.
The rigidity of back-moving spring 9 is determined by calculating, and requires it can realize not limiting the bearing horizontal distortion again when resetting, and namely under geological process, top board 2 and middle steel plate do not form closely connected in advance.
Fixing welding between top board 2 and the stainless steel slide plate 6.
The present invention is one-way support, and bearing is provided with principal direction, on principal direction horizontal movement unrestricted, so bearing principal direction should vertically be arranged along bridge.Middle steel liner plate 4 by pressure-bearing rubber pad 3 build-in together in base plate 1, the upper end of middle steel liner plate 4 is provided with circular groove and is used for placing polyfluortetraethylene plate 5, polyfluortetraethylene plate 5 and stainless steel slide plate 6 constitute friction pair, and stainless steel slide plate 6 and top board 2 fixing welding, base plate 1, top board 2 all adopt stay bolt to be connected with bridge pier, beam body respectively.Bearing carries out pressure-bearing and rotation by the pressure-bearing rubber tile, adapts to the displacement request of bridge with the friction pair of polyfluortetraethylene plate 5 and corrosion resistant plate formation.Set up in base plate 1 and top board 2, lead rod between top board 2 and the middle steel liner plate 4, when earthquake produces vertical pulling force and cross shear, the relative displacement that horizontal lead rod 702 restriction base plates 1 and top board are 2, produce pulling force, whole bearing is offset vertical pulling force on the basis that is kept perfectly, and the vertical lead rod 701 of 4 of top board 2 and middle steel liner plates can be offset cross shear, the power consumption of lead rod distortion simultaneously can reduce earthquake motion to the dynamic effect of top beam body, set up in the horizontal reset spring 9 of 2 on middle steel liner plate 4 and top board, then can provide horizontal reset power, solve and reset difficult and the slow problem that resets after bearing earthquake centre or the shake.Have tension, shearing resistance is consumed energy and adopt welding procedure from each position of pot rubber bearing of reset function, produce in factory moulding, on-the-spot splicing installation.The size of lead rod wherein, the rigidity of back-moving spring 9 should be determined according to practical engineering calculation.Lead rod wraps up with rubber sleeve 8, thereby because the rubber good deformation property can realize level to not retraining, can play sealing simultaneously again and prevent the effect that lead poisoning leaks.The thickness of rubber sleeve 8 can change flexibly according to the difference of lead rod shear strain size, increases one by one counterclockwise along bearing principal direction.9 of back-moving springs require it can realize not limiting the bearing horizontal distortion again when resetting, and namely under geological process, top board 2 and middle steel plate do not form closely connected in advance.
The present invention a kind ofly has tension, shearing resistance power consumption and from the benzvalene form shock insulation rubber bearing of reset function, Fig. 1 for the embodiment of the invention have tension, shearing resistance power consumption and from the schematic diagram of the pot rubber bearing of reset function, as shown in Figure 1.At first structure is carried out force analysis, determine the stress deformation size of bearing, thereby select suitable lead rod size and back-moving spring 9 rigidity, the size of lead rod should guarantee to offset the maximum vertical pulling force that structure produces under design seismic intensity at least, the initial precompression of spring or pretension should surpass the maximal friction of the friction pair that polyfluortetraethylene plate 5 and stainless steel slide plate 6 constitute under the integral pressure, guarantee that neoprene bearing can reset under earthquake or other load actions certainly.Base plate 1 and top board 2 adopt size 1.5m * 1.5m, the HRB335 steel plate of thick 5cm, the connecting portion of base plate 1 and top board 2 adopts the firm cylinder of the HRB335 of thick 8cm and 5cm respectively, polyfluortetraethylene plate 5 adopts the circular slab of thick 4cm radius 40cm, stainless steel slide plate 6 adopts the HRB335 steel plate of thick 2cm radius 50cm, pressure-bearing rubber pad 3 thick 10cm.
Have tension, shearing resistance power consumption and from the preparation method of the pot rubber bearing of reset function:
1, top board 2 and stainless steel slide plate 6 are welded into an integral body;
2, in top board 2, insert vertical lead rod 701, polyfluortetraethylene plate 5 and middle steel liner plate 4 are placed in the top board 2 together;
3, at top board 2 and 4 welding of middle steel liner plate back-moving spring 9, note the control of initial precompression or pretension;
4, pressure-bearing rubber pad 3 is installed in the base plate 1, completes sealing ring 10 simultaneously;
5, the welding of the 3rd step is good whole superstructure is placed in the base arrangement in the 4th step;
6, the horizontal lead rod 702 with rubber sleeve 8 parcels is assigned in the duct of reserving between base plate 1 and the top board 2, the bearing assembling finishes.
Claims (10)
1. shock insulation rubber bearing, it is characterized in that, comprise base plate (1) and top board (2), be provided with rubber pad (3), middle steel liner plate (4), polyfluortetraethylene plate (5) and stainless steel slide plate (6) between base plate (1) and the top board (2), be connected by horizontal lead rod (702) between base plate (1) and the top board (2), be connected by vertical lead rod (701) between top board (2) and the middle steel liner plate (4), also be provided with back-moving spring (9) between middle steel liner plate (4) and the top board (2).
2. shock insulation rubber bearing according to claim 1 is characterized in that, the annular peviform structure that top board (2) arranges down for opening.
3. shock insulation rubber bearing according to claim 2 is characterized in that, the annular peviform structure of the outer toss of the band shape that base plate (1) arranges up for opening.
4. shock insulation rubber bearing according to claim 3 is characterized in that, the basin opening of base plate (1) can extend in the basin opening of top board (2).
5. shock insulation rubber bearing according to claim 4 is characterized in that, rubber pad (3), middle steel liner plate (4), polyfluortetraethylene plate (5) and stainless steel slide plate (6) from down and on arrange successively.
6. shock insulation rubber bearing according to claim 5 is characterized in that, rubber pad (3) covers at the bottom of the basin of base plate (1) fully.
7. shock insulation rubber bearing according to claim 6 is characterized in that, the position that rubber pad (3) edge contacts with middle steel liner plate (4) is provided with sealing ring (10).
8. shock insulation rubber bearing according to claim 6, it is characterized in that, middle steel liner plate (4) is the encorbelment cylindrical structure on limit of top band shape, encorbelmenting is connected by back-moving spring (9) between the tub wall of limit and top board (2), and the top of middle steel liner plate (4) is connected by vertical lead rod (701) with top board (2).
9. according to each described shock insulation rubber bearing in the claim 1 to 8, it is characterized in that horizontal lead rod (702) and/or vertical lead rod (701) are wrapped with rubber sleeve (8).
10. according to each described shock insulation rubber bearing in the claim 1 to 8, it is characterized in that base plate (1) and/or top board (2) are provided with bolt hole (11); Perhaps vertical lead rod (701), horizontal lead rod (702) and back-moving spring (9) up and down correspondence arrange in groups, correspondence vertical lead rod (701), horizontal lead rod (702) and back-moving spring (9) in groups equidistantly arranged along bearing axis hoop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195409.9A CN103266556B (en) | 2013-05-23 | 2013-05-23 | Shock insulation rubber support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310195409.9A CN103266556B (en) | 2013-05-23 | 2013-05-23 | Shock insulation rubber support |
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| Publication Number | Publication Date |
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| CN103266556A true CN103266556A (en) | 2013-08-28 |
| CN103266556B CN103266556B (en) | 2015-04-15 |
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| CN201310195409.9A Expired - Fee Related CN103266556B (en) | 2013-05-23 | 2013-05-23 | Shock insulation rubber support |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741799A (en) * | 2014-01-21 | 2014-04-23 | 王洪森 | Anti-seismic structure device |
| CN104612041A (en) * | 2015-01-30 | 2015-05-13 | 北京铁科首钢轨道技术股份有限公司 | Sliding plate body build-in structure for lubricating grease self-supplement |
| CN105621021A (en) * | 2016-03-15 | 2016-06-01 | 中煤邯郸设计工程有限责任公司 | Trestle support |
| CN107794838A (en) * | 2017-10-12 | 2018-03-13 | 株洲时代新材料科技股份有限公司 | Drawing-resisting device for bridge pad |
| CN108330820A (en) * | 2018-04-09 | 2018-07-27 | 石家庄铁道大学 | A kind of continuous bridge Self-resetting damping by friction device |
| CN108867883A (en) * | 2018-07-27 | 2018-11-23 | 佛山科学技术学院 | A kind of three-dimensional isolation structure of bilayer shock insulation |
| CN109024252A (en) * | 2018-06-28 | 2018-12-18 | 广西驰胜农业科技有限公司 | A kind of bridge earthquake resistance bridle iron |
| CN110468696A (en) * | 2019-09-03 | 2019-11-19 | 中铁第四勘察设计院集团有限公司 | A kind of bridle iron with runback bit function |
| CN113062648A (en) * | 2021-03-30 | 2021-07-02 | 中国建筑西北设计研究院有限公司 | Circumferential tensile limiting self-resetting shock insulation support and design method |
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
| CN114016635A (en) * | 2021-12-10 | 2022-02-08 | 广州大学 | Modularized layer parallel three-dimensional shock isolation/vibration isolation support for vibration and vibration double control |
| CN114033052A (en) * | 2021-12-03 | 2022-02-11 | 广东博竣建设工程有限公司 | House upper laminated rubber shock insulation structure and construction process |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103741799A (en) * | 2014-01-21 | 2014-04-23 | 王洪森 | Anti-seismic structure device |
| CN104612041A (en) * | 2015-01-30 | 2015-05-13 | 北京铁科首钢轨道技术股份有限公司 | Sliding plate body build-in structure for lubricating grease self-supplement |
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| CN108330820A (en) * | 2018-04-09 | 2018-07-27 | 石家庄铁道大学 | A kind of continuous bridge Self-resetting damping by friction device |
| CN108330820B (en) * | 2018-04-09 | 2024-03-29 | 石家庄铁道大学 | Self-resetting friction damping device for continuous beam bridge |
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| CN109024252A (en) * | 2018-06-28 | 2018-12-18 | 广西驰胜农业科技有限公司 | A kind of bridge earthquake resistance bridle iron |
| CN108867883A (en) * | 2018-07-27 | 2018-11-23 | 佛山科学技术学院 | A kind of three-dimensional isolation structure of bilayer shock insulation |
| CN110468696A (en) * | 2019-09-03 | 2019-11-19 | 中铁第四勘察设计院集团有限公司 | A kind of bridle iron with runback bit function |
| CN113062648A (en) * | 2021-03-30 | 2021-07-02 | 中国建筑西北设计研究院有限公司 | Circumferential tensile limiting self-resetting shock insulation support and design method |
| CN113062648B (en) * | 2021-03-30 | 2022-09-16 | 中国建筑西北设计研究院有限公司 | Circumferential tensile limiting self-resetting shock insulation support and design method |
| CN113774785A (en) * | 2021-11-02 | 2021-12-10 | 许昌学院 | Bridge subtracts isolation bearing |
| CN114033052A (en) * | 2021-12-03 | 2022-02-11 | 广东博竣建设工程有限公司 | House upper laminated rubber shock insulation structure and construction process |
| CN114016635A (en) * | 2021-12-10 | 2022-02-08 | 广州大学 | Modularized layer parallel three-dimensional shock isolation/vibration isolation support for vibration and vibration double control |
| CN114016635B (en) * | 2021-12-10 | 2022-05-27 | 广州大学 | Modularized layer parallel three-dimensional shock isolation/vibration isolation support for vibration and vibration double control |
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| CN103266556B (en) | 2015-04-15 |
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