CN203625769U - Box body type anti-seismic comb plate expansion and contraction device - Google Patents
Box body type anti-seismic comb plate expansion and contraction device Download PDFInfo
- Publication number
- CN203625769U CN203625769U CN201320673865.5U CN201320673865U CN203625769U CN 203625769 U CN203625769 U CN 203625769U CN 201320673865 U CN201320673865 U CN 201320673865U CN 203625769 U CN203625769 U CN 203625769U
- Authority
- CN
- China
- Prior art keywords
- plate
- support
- bearing
- deformation
- transverse joint
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a box body type anti-seismic comb plate expansion and contraction device which comprises a movable comb plate, a fixed comb plate and a gap crossing plate. The box body type anti-seismic comb plate expansion and contraction device is characterized in that one end of the gap crossing plate is supported against a box type support through a supporting arm, the other end of the gap crossing plate is supported by a rubber support, the upper supporting face of the supporting arm and the lower supporting face of the supporting arm are provided with a pin and a hinge pin respectively, an upper pressing support and a lower supporting base are arranged in the box type support, the upper pressing support is composed of a pressing plate and a rubber shaft sleeve, and the lower supporting base is a bidirectional movable support arranged on a stainless steel plate or a unidirectional movable support arranged on a groove plate and a sliding groove. Compared with the prior art, the box body type anti-seismic comb plate expansion and contraction device has the advantages that the three-dimensional transformation function and the extra-large transverse displacement function are achieved, the expansion and contraction device can deform together with a bridge structure in a coordinative mode, the requirements for extra-large transverse deformation and extra-large longitudinal deformation of a bridge during an earthquake are met, impact resistance is high, the noise reduction effect is good, the structure is simple, installation and maintenance are convenient, and the service life is long.
Description
Technical field
The utility model relates to bridge construction technical field, specifically a kind of box-type antidetonation comb plate stretching device that can 3 D deformation for large span Flexible bridge.
Background technology
Earthquake occurs again and again all over the world now, and earthquake intensity is also more and more stronger, and the disaster of bringing in order to tackle earthquake guarantees that bridge construction normally runs, and multiple precautions against earthquakes have been taked in the each position of bridge construction.As the bridge extension joint of bridge accessory structure, also must there is seismic measures, only has the function that possesses " 3 D deformation " when comb plate stretching device, and distortion value reaches the requirement of bridge construction " 3 D deformation " value, so just can make comb plate stretching device follow bridge construction mutual compatible deformation together.Normally run in order to ensure bridge construction, no matter be bridge main body parts or bridge appurtenances, all must precautions against earthquakes.
At present, bridge pad has many anti-vibration damping support products, more late with respect to bridge extension joint research and development, and especially the research and development of comb teeth shape device Anti-seismic are more late.The domestic comb plate stretching device of also having researched and developed some aximal deformation values, as " multi-directional deflection " comb plate stretching device, can not meet the especially big value of lateral displacement that Bridges During Earthquake structure produces, stopping because encounter anchor bolt when lateral displacement, is also small value of lateral displacement even if there is lateral displacement function.Also have " 3 D deformation " antidetonation comb plate stretching device, its function is to reach " three-dimensional six to " deformation requirements, and deflection is also very large, but complex structure, the shortcoming such as construction precision requires high, and difficulty of construction is large, and speed of application is slow.
The problem that prior art exists is: the anchor bolt syndeton on movable comb tooth plate is unreasonable, and it affects two curb girder bodies to lateral displacement, vertical rotating and horizontally rotates.When movable comb tooth plate is in the time that the beam body of not establishing rotating shaft one side produces vertical rotating, the tooth head of movable comb tooth plate can produce the phenomenon of nose, greatly affects traffic safety.
Utility model content
The purpose of this utility model is a kind of box-type antidetonation comb plate stretching device designing for the deficiencies in the prior art, transverse joint plate adopts box-type 3 D deformation bearing and elastic caoutchouc seat supports structure, make stretching device there is " three-dimensional " distortion function, can follow bridge construction compatible deformation together, a difficult problem for multidirectional deformation while preferably resolving the anchoring of movable comb tooth plate and beam body screw rod, various distortion while not only meeting day-to-day operation, can meet again earthquake generation time, bridge produces especially big horizontal and vertical distortion, strong shock resistance, noise reduction is good, simple in structure, install, maintenance is more convenient, construction costs is low, long service life.
Realizing concrete technical scheme of the present utility model is: a kind of box-type antidetonation comb plate stretching device, comprise transverse joint plate, stainless steel slide plate, be provided with the movable comb tooth plate and the fixed fingers plate that is provided with chute of anti-jump bearing pin, the mutual socket joint horizontal of broach of movable comb tooth plate and fixed fingers plate is on stainless steel slide plate, its anti-jump bearing pin and chute suit, anti-jump bearing pin and chute, movable comb tooth plate and stainless steel slide plate are for being slidably connected, fixed fingers plate with stainless steel slide plate for being fixedly connected with, transverse joint plate be arranged on movable comb tooth plate one end and with movable comb tooth plate and fixed fingers plate be a plane, be characterized in that described transverse joint plate one end is provided with two or three support arms, transverse joint plate is bearing on 3 D deformation bearing by support arm, its other end is supported by the neoprene bearing being fixedly installed on stainless steel slide plate, upper and lower two supporting surfaces of described support arm are respectively equipped with pin and bearing pin, described 3 D deformation bearing comprises the casing being made up of upper cover plate, lower shoe, dividing plate and " U " shape deckle board, and dividing plate is separated into casing and the support arm chamber of corresponding setting one by one, is provided with compressing support and lower bearing support in chamber, described upper compressing support is made up of pressing plate and rubber axle sleeve, and rubber axle sleeve and pressing plate are for being slidably connected, and pressing plate and upper cover plate are welding, , described lower bearing support be arranged on the bi-directional movable bearing on corrosion resistant plate or be located at frid and slippage slot on one-way movable support, lower bearing support and corrosion resistant plate or frid be for being slidably connected, lower shoe and corrosion resistant plate or frid are welding, described support arm is bearing on 3 D deformation bearing as support arm is sleeved on chamber interior upper and lower clamping and support by upper compressing support and lower bearing support, its pin is connected for being set with rubber axle sleeve, after bearing pin and lower bearing support suit or suit, insert frid and slippage slot, bearing pin and slippage slot are for being slidably connected.
Described slippage slot is to be arranged on lower shoe and the horizontal concrete chute corresponding with frid.
Described transverse joint plate two ends are provided with the deformation joint of perfusion waterproof sealing cream.
Described upper cover plate is connected with " U " shape deckle board by cover plate bolt.
The utility model compared with prior art has " three-dimensional " distortion and especially big lateral displacement function, can follow bridge construction compatible deformation together, a difficult problem for the movable comb tooth plate that preferably resolves puzzlement transverse joint plate or not segmentation multidirectional deformation during with the anchoring of beam body use screw rod, various distortion while not only meeting day-to-day operation, and can meet again earthquake occur time bridge produce especially big horizontal and vertical distortion, strong shock resistance, excellent noise reduction effect, simple in structure, install, maintenance is more convenient, construction costs is low, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is transverse joint plate structural representation;
Fig. 3 is Fig. 2 top view;
Fig. 4 is 3 D deformation bearing and transverse joint plate scheme of installation;
Fig. 5 is the A-A sectional view of Fig. 4;
Fig. 6 is the B-B sectional view of Fig. 4;
Fig. 7 is that the utility model is specifically applied schematic diagram.
The specific embodiment
Consult accompanying drawing 1, the utility model is made up of transverse joint plate 1, movable comb tooth plate 2, fixed fingers plate 3 and stainless steel slide plate 7, and the front end broach both sides of described movable comb tooth plate 2 are provided with anti-jump bearing pin 21; Front end broach one side of described fixed fingers plate 3 is provided with chute 31, and chute 31 is corresponding setting with anti-jump bearing pin 21; The mutual socket joint horizontal of broach of described movable comb tooth plate 2 and fixed fingers plate 3 is on stainless steel slide plate 7, its anti-jump bearing pin 21 is sleeved in chute 31 and for being slidably connected, movable comb tooth plate 2 with stainless steel slide plate 7 for being slidably connected, fixed fingers plate 3 with stainless steel slide plate 7 for being fixedly connected with.Described transverse joint plate 1 is arranged on one end of movable comb tooth plate 2 and is supported by 3 D deformation bearing 4, and transverse joint plate 1 other end is supported by the neoprene bearing 5 being fixedly installed on stainless steel slide plate 7; Transverse joint plate 1, movable comb tooth plate 2 and fixed fingers plate 3 are same plane.Described slippage slot 48 is for to be arranged on lower shoe 43 and the horizontal concrete chute corresponding with frid 54.Described transverse joint plate 1 two ends are provided with the deformation joint 10 of perfusion waterproof sealing cream; Described upper cover plate 41 is connected with " U " shape deckle board 42 by cover plate bolt 73, and lower shoe 43 welds with " U " shape deckle board 42.
Consult accompanying drawing 2 ~ accompanying drawing 3, described transverse joint plate 1 one end is provided with three support arms 11, and upper and lower two supporting surfaces of support arm 11 are respectively equipped with pin 12 and bearing pin 13.
Consult accompanying drawing 5, in described chamber 49, be provided with compressing support 47 and lower bearing support 46; Described upper compressing support 47 is made up of pressing plate 71 and rubber axle sleeve 72, and rubber axle sleeve 72 is with pressing plate 71 for being slidably connected, and pressing plate 71 is welding with upper cover plate 41.Described lower bearing support 46 is for being arranged on the bi-directional movable bearing on corrosion resistant plate 45, and lower bearing support 46 is with corrosion resistant plate 45 for being slidably connected, and corrosion resistant plate 45 is welding with lower shoe 43.Described transverse joint plate 1 one end is bearing on 3 D deformation bearing 4 by support arm 11, support arm 11 is sleeved on upper and lower clamping and the support with lower bearing support 46 by upper compressing support 47 in chamber 49, its pin 12 is connected for being set with rubber axle sleeve 72, and bearing pin 13 is connected for being set with lower bearing support 46.
Consult accompanying drawing 6, in described chamber 49, be provided with compressing support 47 and the lower bearing support 46 that is arranged on one-way movable on frid 54 and slippage slot 48; Described upper compressing support 47 is made up of pressing plate 71 and rubber axle sleeve 72, and rubber axle sleeve 72 is with pressing plate 71 for being slidably connected, and pressing plate 71 is welding with upper cover plate 41.Described slippage slot 48 is for to be arranged on lower shoe 43 and the horizontal concrete chute corresponding with frid 54, and lower bearing support 46 is with frid 54 for being slidably connected, and frid 54 is welding with lower shoe 43.Described transverse joint plate 1 one end is bearing on 3 D deformation bearing 4 by support arm 11, support arm 11 is sleeved on upper and lower clamping and the support with lower bearing support 46 by upper compressing support 47 in chamber 49, its pin 12 is connected for being set with rubber axle sleeve 72, bearing pin 13 and rear frid 54 and the slippage slot 48 of inserting of lower bearing support 46 suits, bearing pin 13 and slippage slot 48 are for being slidably connected.
With specific embodiment, the utility model is described in further detail below.
Embodiment 1
Consult accompanying drawing 7, the utility model is installed in the steps below and is constructed:
The bridge floor of cutting access bridge 22 and main bridge 23 is installed preformed groove, does not break main muscle, stirrup and prestress pipe in beam body when cutting, protects the bridge floor bituminous concrete that there is no cutting, arranges built-in fitting, guarantees built-in fitting quantity, while lacking, should fill in time.
The end face of access bridge 22 according to bridge floor in length and breadth slope factor calculate lower shoe 43 absolute altitudes of 3 D deformation bearing 4, pre-embedded steel slab on 3 D deformation bearing 4 and access bridge 22 or reinforcing bar are welded and fixed with connecting reinforcement, then build concrete and access bridge intermediate zone concrete 13 vibration compacting of lower shoe 43 bottoms.
According to temperature and the installation width table of comparisons, make the position of anchor bolt 32 on fixed fingers plate 3 and be welded and fixed with the pre-embedded steel slab 34 of main bridge 23 with standard form, then lay the termination envelope mould of strengthening distribution fabricated bar and main bridge 23, water the side bed course fibrous concrete of smashing main bridge 23, strict control pad layer concrete surface layer absolute altitude, then stainless steel slide plate 7 and fixed fingers plate 3 are installed, tighten anchor bolt 32, note controlling the planeness of fixed fingers plate 3 surface layers, finally build the main bridge transition band concrete 33 of main bridge 23 sides the maintenance of sprinkling water.
Lifting movable comb tooth plate 2, the anti-jump bearing pin 21 of movable comb tooth plate 2 front ends is penetrated to the chute 31 of fixed fingers plate 3, the mutual socket joint horizontal of broach of the broach of movable comb tooth plate 2 and fixed fingers plate 3 is on stainless steel slide plate 7, by the rearward end welding of the base plate of neoprene bearing 5 and movable comb tooth plate 2, then the beam between access bridge 22 and main bridge 23 is sewed on rubber water-proof bar 8 is installed, and rubber water-proof bar 8 is fixed on the end of access bridge 22 and main bridge 23 by screw and steel press strip.
Adjust the mounting teeth gap length degree of movable comb tooth plate 2, open the upper cover plate 41 of 3 D deformation bearing 4 casings at access bridge 22 places of transverse joint plate 1, lower bearing support 46 is placed on the lower shoe 43 in chamber 49, upper compressing support 47 is placed on three support arms 11 of transverse joint plate 1, then support arm 11 is sleeved in chamber 49 to upper by upper compressing support 47 and lower bearing support 46, lower clamping and support, its pin 12 is connected for being set with rubber axle sleeve 72, bearing pin 13 is connected for being set with lower bearing support 46, a wherein bearing pin 13 and the rear slippage slot 48 that inserts of corrosion resistant plate 45 suits that is provided with through hole, cover upper cover plate 41 fastening by anchor bolt 73, after the support of transverse joint plate 1 one end and 3 D deformation bearing 4 installs, the last anchor connection by bolt 6 anchoring transverse joint plate 1 other ends and neoprene bearing 5.
, perfusion waterproofing of movement joints cream
Circular soft plastic foam strip is embedded in the gap at transverse joint plate 1 two ends, reserve 2 centimeters of height, then, with senior polyurethane water-proof fluid sealant perfusion deformation joint 10, construction and installation finish, and treat the expired open to traffic that gets final product of maintenance.
The utility model is to use like this: vehicle first sails the upper cover plate 41 of the box top of 3 D deformation bearing 4 into, and then sail transverse joint plate 1 into, now vehicle has entered between the 3 D deformation bearing 4 and neoprene bearing 5 of transverse joint plate 1, so just can avoid upwarping of the transverse joint plate 1 leading section cantilever that causes because of eccentric support load.The rearward end of transverse joint plate 1 is set to into two or three support arms 11 and stretches in the chamber 49 of 3 D deformation bearing 4, below it, be supported on lower bearing support 46, above it, be supported on compressing support 47, by upper cover plate 41, the power (being anchored force) compressing be delivered to Liang Tishang.Lower support bearing 46 and upper compressing support 47 be not in same vertical line position, but upper compressing support 47 departs from lower support bearing 46 inner sides (near bridge seam side), the purpose of design that upper compressing support 47 departs from lower support bearing 46 is in order to allow transverse joint plate 1 have all the time a downward eccentric steady pressure, does not allow arbitrarily the beating of transverse joint plate 1.Distance between the each support arm 11 of transverse joint plate 1 rearward end is the especially big lateral displacement amount design requiring during according to earthquake, is the lateral displacement space of transverse joint plate 1 rearward end.In two fulcrum inner sides of transverse joint plate 1, make it not produce the cantilever causing because of bias and upwarp phenomenon, " 3 D deformation " of movable comb tooth plate 2 is to complete in the casing of 3 D deformation bearing 4 simultaneously, distortion freely, can not produce rod member and stop phenomenon, can follow well bridge construction compatible deformation, the needs of various aximal deformation values when daily operation can not only be met, and the especially big vertical and horizontal distortion that bridge construction produces can meet earthquake again time.Because transverse joint plate 1 adopts the 3 D deformation supporting construction of box-type, thereby thoroughly avoid the nose phenomenon of transverse joint plate 1, movable comb tooth plate 2 is close on the bridge floor of main bridge 23 all the time.The fine adaptation bridge Plane Rotation of deformation joint 10 energy of transverse joint plate 1 both sides, especially big lateral displacement space when vertical rotating and earthquake, can play again functions of waterproof and dustproof.Preferably resolve the multidirectional deformation difficult problem at long-term puzzlement movable comb tooth plate 2 and beam body bolt anchoring place, installation and maintenance are simpler, convenient.
More than just the utility model is described further, not in order to limit this patent, all is that the utility model equivalence is implemented, within all should being contained in the claim scope of this patent.
Claims (4)
1. a box-type antidetonation comb plate stretching device, comprise transverse joint plate (1), stainless steel slide plate (7), be provided with the movable comb tooth plate (2) of anti-jump bearing pin (21) and be provided with the fixed fingers plate (3) of chute (31), the mutual socket joint horizontal of broach of movable comb tooth plate (2) and fixed fingers plate (3) is on stainless steel slide plate (7), its anti-jump bearing pin (21) and chute (31) suit, anti-jump bearing pin (21) and chute (31), movable comb tooth plate (2) and stainless steel slide plate (7) are for being slidably connected, fixed fingers plate (3) with stainless steel slide plate (7) for being fixedly connected with, transverse joint plate (1) be arranged on movable comb tooth plate (2) one end and with movable comb tooth plate (2) and fixed fingers plate (3) be a plane, it is characterized in that described transverse joint plate (1) one end is provided with two or three support arms (11), transverse joint plate (1) is bearing on 3 D deformation bearing (4) by support arm (11), its other end is supported by the neoprene bearing (5) being fixedly installed on stainless steel slide plate (7), upper and lower two supporting surfaces of described support arm (11) are respectively equipped with pin (12) and bearing pin (13), described 3 D deformation bearing (4) comprises the casing being made up of upper cover plate (41), lower shoe (43), dividing plate (44) and " U " shape deckle board (42), dividing plate (44) is separated into casing and support arm (11) chamber of corresponding setting (49) one by one, is provided with compressing support (47) and lower bearing support (46) in chamber (49),
Described upper compressing support (47) is made up of pressing plate (71) and rubber axle sleeve (72), and rubber axle sleeve (72) is with pressing plate (71) for being slidably connected, and pressing plate (71) is welding with upper cover plate (41); Described lower bearing support (46) for be arranged on the bi-directional movable bearing on corrosion resistant plate (45) or be located at frid (54) and slippage slot (48) on one-way movable support, lower bearing support (46) and corrosion resistant plate (45) or frid (54) are for being slidably connected, and lower shoe (43) is welding with corrosion resistant plate (45) or frid (54); It is that support arm (11) is sleeved on upper and lower clamping and the support with lower bearing support (46) by upper compressing support (47) in chamber (49) that described support arm (11) is bearing in 3 D deformation bearing (4) upper, its pin (12) is connected for being set with rubber axle sleeve (72), after bearing pin (13) and lower bearing support (46) suit or suit, insert frid (54) and slippage slot (48), bearing pin (13) and slippage slot (48) are for being slidably connected.
2. box-type antidetonation comb plate stretching device according to claim 1, is characterized in that described slippage slot (48) is for to be arranged on lower shoe (43) and the horizontal concrete chute corresponding with frid (54).
3. box-type antidetonation comb plate stretching device according to claim 1, is characterized in that described transverse joint plate (1) two ends are provided with the deformation joint (10) of perfusion waterproof sealing cream.
4. box-type antidetonation comb plate stretching device according to claim 1, is characterized in that described upper cover plate (41) is connected with " U " shape deckle board (42) by cover plate bolt (73).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673865.5U CN203625769U (en) | 2013-10-30 | 2013-10-30 | Box body type anti-seismic comb plate expansion and contraction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320673865.5U CN203625769U (en) | 2013-10-30 | 2013-10-30 | Box body type anti-seismic comb plate expansion and contraction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203625769U true CN203625769U (en) | 2014-06-04 |
Family
ID=50812261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320673865.5U Withdrawn - After Issue CN203625769U (en) | 2013-10-30 | 2013-10-30 | Box body type anti-seismic comb plate expansion and contraction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203625769U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526695A (en) * | 2013-10-30 | 2014-01-22 | 上海汇城建筑装饰有限公司 | Box-type anti-shock comb plate retractor device |
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| CN107083743A (en) * | 2017-06-19 | 2017-08-22 | 金佳琪 | A kind of bridge expansion joint installation |
| CN114319093A (en) * | 2020-10-09 | 2022-04-12 | 华鸿建设集团有限公司 | Bridge pre-buried assembly type expansion joint device and installation method thereof |
-
2013
- 2013-10-30 CN CN201320673865.5U patent/CN203625769U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103526695A (en) * | 2013-10-30 | 2014-01-22 | 上海汇城建筑装饰有限公司 | Box-type anti-shock comb plate retractor device |
| CN103526695B (en) * | 2013-10-30 | 2015-05-20 | 上海汇城建筑装饰有限公司 | Box-type anti-shock comb plate retractor device |
| CN106522086A (en) * | 2016-12-07 | 2017-03-22 | 中交铁道(武汉)建设科技有限公司 | Multidirectional deflection bridge telescoping device |
| CN107083743A (en) * | 2017-06-19 | 2017-08-22 | 金佳琪 | A kind of bridge expansion joint installation |
| CN114319093A (en) * | 2020-10-09 | 2022-04-12 | 华鸿建设集团有限公司 | Bridge pre-buried assembly type expansion joint device and installation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203625769U (en) | Box body type anti-seismic comb plate expansion and contraction device | |
| CN103243646B (en) | Earthquake proof PTFE (Poly Tetra Fluoro Ethylene) plate rubber bearing small displacement comb plate extensible device | |
| CN203451995U (en) | Rubber anti-shocking comb plate stretching device | |
| CN206128119U (en) | Prefabricated assembled multi -deck utility tunnel | |
| CN102767136B (en) | Anti-seismic small deformation expansion device of comb plate | |
| CN102767137B (en) | Anti-seismic large deformation expansion device of comb plate | |
| CN108442572A (en) | Shear wall structure system with replaceable corner component | |
| CN103526695B (en) | Box-type anti-shock comb plate retractor device | |
| CN208455820U (en) | A kind of friction energy-dissipating Self-resetting fully assembled joint | |
| CN105239503B (en) | A kind of six to displacement fishback retractor device | |
| CN204589803U (en) | A kind of noise reduction type stretching device | |
| CN105275087A (en) | A prefabricated assembled type concrete beam-column connecting structure | |
| CN103614974B (en) | Prestress sectional steel reinforcing system of reinforced concrete arch shell bridge body | |
| CN202730640U (en) | Hydraulic vibration-absorbing and retracting device of bridge | |
| CN202064272U (en) | Bridge damping extensible device | |
| CN110805164B (en) | Assembled shear force wall that bottom has shock attenuation power consumption connecting piece | |
| CN205742539U (en) | The girder steel of a kind of band dowel unit and the connection node of Multicarity steel plate shear force wall | |
| CN103422431B (en) | A kind of rubber antidetonation comb plate stretching device | |
| CN203295969U (en) | Anti-seismic Teflon plate rubber support small displacement comb plate retractable device | |
| CN208934171U (en) | A kind of spring friction-pendulum shock-insulation support | |
| CN205116002U (en) | Six to shift comb pinion rack telescoping device | |
| CN111074764A (en) | Modularized integrally-assembled telescopic device and construction method thereof | |
| CN207597235U (en) | A kind of cable-stayed type bridge earthquake resistance component | |
| CN206289530U (en) | One kind subtracts shock insulation rubber bearing | |
| CN204608597U (en) | A kind of damping tension and compression pot rubber bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140604 Effective date of abandoning: 20150520 |
|
| RGAV | Abandon patent right to avoid regrant |