CN108716184A - Gear synchronous displacement modulus type expansion joint - Google Patents
Gear synchronous displacement modulus type expansion joint Download PDFInfo
- Publication number
- CN108716184A CN108716184A CN201810610899.7A CN201810610899A CN108716184A CN 108716184 A CN108716184 A CN 108716184A CN 201810610899 A CN201810610899 A CN 201810610899A CN 108716184 A CN108716184 A CN 108716184A
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- Prior art keywords
- expansion joint
- gear
- main body
- bridge main
- rack
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of gear synchronous displacement modulus type expansion joints, bridge main body including being separated by setting, described two bridge main body lower parts are installed with displacement case respectively, and the horizontal gird extended along bridge main body length direction across gap between bridge main body is equipped between described two relative displacement casees；The crossbeam is equipped with the central sill extended along bridge main body width direction perpendicular to crossbeam；The lower surface of the central sill is installed with gear guard box, and expansion joint sliding connecting device is equipped in the gear guard box, and the both ends of the expansion joint sliding connecting device are connected with the rack fixing piece being embedded in advance in bridge main body respectively；The apparatus structure is simple, safeguards convenient disassembly, when expansion joint sliding connecting device can realize both ends pontic main body discontinuity, expansion joint freely telescopic moving, overcome its due to unbalance stress flimsy problem.The present invention is used suitable for bridge expanssion joint as attachment device.
Description
Technical field
The invention belongs to bridge expansion joint installation fields, are related to a kind of gear synchronous displacement modulus type expansion joint.
Background technology
Bridge extension joint is the important component for connecting two parts pontic, it is in load-bearing, flexible, waterproof etc.
Possessed function will have a direct impact on the bulk life time of bridge.Existing expansion gap device is crossbar architectures, in pontic
When expanding with heat and contract with cold, four-link device can be driven to carry out contraction or diastole, however, in this configuration, pontic both ends, which drive, hands over
The double leval jib fulcrum of fork structure being connected with pontic, compression or diastole, when the uniform force of pontic both ends, each fulcrum of double leval jib
Uniform force, and when pontic discontinuity, it is larger to be easy to cause a certain fulcrum stress of double leval jib, and in addition fulcrum stress compared with
It is small, it is easy to damage the component, and the once a certain fulcrum damage of the double leval jib telescopic device of this staggered form, the device need thorough
Bottom is replaced, its service life is reduced.
In practical situations, the thermal expansion and contraction degree that pontic both ends suffer from is different, cause pontic both ends by
Power is uneven, thus, existing staggered form double leval jib expansion gap device can not use for a long time, short life, and the replacement frequency is higher, no
It only increases personnel and safeguards the frequency replaced, also add use cost.
Invention content
The technical problem to be solved in the present invention is to provide a kind of gear synchronous displacement modulus type expansion joint, the apparatus structure
Simply, safeguard convenient disassembly, consolidate, shockproof effect it is good, the cooperation of expansion joint sliding connecting device middle rack and gear can be achieved
When the pontic main body discontinuity of both ends, expansion joint freely telescopic moving when overcoming pontic main body discontinuity, is stretched
Seam attachment device flimsy problem due to unbalance stress.
In order to solve the above technical problems, the technical solution used in the present invention is：
A kind of gear synchronous displacement modulus type expansion joint, including it is separated by the bridge main body of setting, described two bridge main body lower parts
Be installed with displacement case respectively, be equipped between described two relative displacement casees across between bridge main body gap it is long along bridge main body
Spend the horizontal gird that direction extends；The crossbeam is equipped with the central sill extended along bridge main body width direction perpendicular to crossbeam；
The lower surface of the central sill is installed with gear guard box, and expansion joint sliding connecting device is equipped in the gear guard box, described
The both ends of expansion joint sliding connecting device are connected with the rack fixing piece being embedded in advance in bridge main body respectively；The gear protection
It is installed with can be slidably connected against expansion joint respectively in expansion joint sliding connecting device both sides along bridge main body width direction in case
Device and the buttress that it can be made to move in the horizontal direction.
Restriction as the present invention：
（One）The expansion joint sliding connecting device includes the ball bearing that one end is fixedly arranged on gear guard box bottom surface, the ball
The other end of bearing passes through gear guard box to be connected with central sill lower surface, and being arranged on the ball bearing can rotate in horizontal plane
Gear；It is described that pass through gear guard box side wall that be horizontally disposed and being mutually parallel is additionally provided between gear and buttress
One rack and the second rack, first rack and the second rack are fixed with the rack respectively in the end close to bridge main body
Part is connected；
（Two）The buttress is double-layer structure, and the buttress is the first polytetrafluoroethylene (PTFE) at the sliding connecting device of close expansion joint
Layer is steel plate layer at far from expansion joint sliding connecting device；
（Three）Compressing support, the end lower surface of the crossbeam and position are equipped between the end upper surface and displacement case of the crossbeam
It moves between case equipped with bearing；
（Four）Bearing is additionally provided between the crossbeam and central sill, the crossbeam lower surface is additionally provided with compression branch at central sill
Seat；The compressing support, crossbeam, bearing and central sill are fixed by U-shaped card.
As further limiting for the present invention：
The compressing support is double-layer structure, and the lower layer of the compressing support is the second polytetrafluoroethylene ethylene layer, the compressing support
Upper layer be spring layer；
The material of the pedestal is polytetrafluoroethylene (PTFE).
As the further restriction of the present invention, displacement case end upper surface is installed with F shaped steel, the F shaped steel
Upper surface is concordant with central sill upper surface, and water band is equipped between the F shaped steel and central sill.
Due to the adoption of the above technical solution, compared with prior art, the present invention acquired technological progress is：
The present invention provides gear synchronous displacement modulus type expansion joint, has the following advantages that：
1. pontic main body both ends discontinuity can be achieved in the cooperation of expansion joint sliding connecting device middle rack and gear, stretch
Stitch freely telescopic moving, when overcoming pontic main body discontinuity, expansion joint connecting device rapid wear due to unbalance stress
Bad problem；
2. it is more smooth that buttress may make rack and pinion to be slidably matched, the double-layer structure of buttress more adapts to pontic under actual conditions
When miniature deformation in the width direction occurs, it ensure that the smooth and rack of rack and pinion engagement sliding will not be due to by rigidity
Power and damage；
3. the present apparatus is simple in structure, safeguard convenient disassembly, consolidate, shockproof effect it is good, long lifespan is at low cost.
The present invention is used suitable for bridge expanssion joint as expansion joint connecting device.
The present invention is described in further detail below in conjunction with specific embodiment.
Description of the drawings
Fig. 1 is the vertical view of the embodiment of the present invention 1；
Fig. 2 is the side view of 1 middle cross beam of the embodiment of the present invention；
Fig. 3 is the structural schematic diagram of buttress in Fig. 1；
Fig. 4 is the structural schematic diagram of compressing support in Fig. 2；
Fig. 5 is the structural schematic diagram of bearing in Fig. 2；
In figure：1- bridge main bodies, the first racks of 2-, 3- gears, 4- central sills, 5- crossbeams, 6- bearings, 7- compressing supports, 8-
Second rack, 11- rack fixing pieces, 12- displacement casees, 41- buttresses, 42- ball bearings, 43- water bands, 44-U type cards, 45-F types
Steel, 46- gear guard boxs, 71- spring layers, the second polytetrafluoroethylene ethylene layers of 72-, 411- steel plate layers, the first polytetrafluoroethylene (PTFE) of 412-
Layer.
Specific implementation mode
Device and connection type, embodiment described in following embodiments are existing device unless otherwise specified,
And use existing connection type and embodiment.
A kind of 1 gear synchronous displacement modulus type expansion joint of embodiment
The present embodiment is a kind of gear synchronous displacement modulus type expansion joint, the seam being installed between existing two bridge main bodies 1
In gap, as shown in Figure 1, it includes the bridge main body 1 for being separated by setting, i.e., it is left and right bridge phosphor bodies 1 in figure, centre is flexible
The lower part in gap, left and right bridge phosphor bodies 1 is respectively equipped with displacement case 12（Beam body main body 1, displacement case 12 are existing device,
Position relationship and connection type between them are also existing technology）, be equipped between two opposite displacement casees 12 across
The horizontal gird 5 that the length direction along bridge main body 1 in gap that stretches between more two bridge main bodies 1 extends, can be according to bridge
Multiple displacement casees 12 and crossbeam 5 is arranged in the width of beam body 1, and crossbeam 5 is spaced and parallel to be arranged and along 1 length direction of bridge main body
Extend, i.e., crossbeam 5 is installed with across gap of stretching, on crossbeam 5 extending along 1 width direction of bridge main body perpendicular to crossbeam 5
Central sill 4, central sill 4 are the shaped steel that vertically arranged longitudinal section is " king's font ", and the setting quantity of central sill 4 can be according to flexible gap
Width is configured.
The middle lower surface of central sill 4 is installed with gear guard box 46, is slidably connected equipped with expansion joint in gear guard box 46
Device, expansion joint sliding connecting device is in close to bridge main body 1（It is left and right bridge main body 1 in Fig. 1）Both ends respectively with it is pre-buried
Rack fixing piece 11 in bridge main body 1 is connected.Along the width direction of bridge main body 1 in flexible in gear guard box 46
Stitch sliding connecting device both sides（Outside in Fig. 1）Being installed with respectively against expansion joint sliding connecting device and can make it along level
The buttress 41 of direction movement.
Expansion joint sliding connecting device includes a disconnected ball bearing 42 for being fixedly arranged on 46 bottom surface of gear guard box, ball bearing
42 are vertically arranged, its other end passes through 46 top surface of gear guard box to be connected with 4 lower surface of central sill, is arranged on ball bearing 42
The gear 3 that can be rotated in horizontal plane；Gear 3 is additionally provided with first between the width direction both sides and buttress 41 along bridge main body 1
Rack 2 and the second rack 8, the first rack 2 and the second rack 8 are each passed through two opposing sidewalls of gear guard box 46, and first
Rack 2 and the second rack 8 are horizontally disposed with, are mutually parallel and be in same level, the first rack 2 and the second rack 8 with gear 3
In connected with rack fixing piece 11 respectively close to the end of bridge main body 1；11 pre-plugged of rack fixing piece is in left and right bridge master
1 corresponding position of body, and ensure that it is in same level with the first rack 2 and the second rack 8 and gear 3, rack is consolidated
Determine part 11 and the first rack 2 and the second rack 8 is fixed respectively, it is of course also possible in actual engineer application, it will
Rack fixing piece 11 in left and right bridge main body 1 is made of one the structure of setting with the first rack 2 and the second rack 8 respectively, point
It is not pre-buried in left and right bridge main body 1.Gear 3 can original place horizontally rotate, need to fill profit at the gear of gear 3 in practical applications
Lubrication prescription, the first rack 2 and the second rack 8 move after being engaged respectively with gear 3 along the length direction of bridge main body 1, the first tooth
Item 2 and the second rack 8 can drive left and right bridge main body 1 to move along its length respectively, to realize that gap of stretching narrows and becomes
Wide function.Due to the first rack 2 and the second rack 8 with gear 3 during engagement level moves, the first rack 2 and the
The horizontal displacement of two racks 8 movement need not be equal, i.e.,：In practical situations, the power and the second tooth of 2 left part of the first rack are given
The power of 8 right part of item is not necessarily equal, and the horizontal displacement of the first rack 2 and the movement of the second rack 8 at this time is also unequal, but
Being can be by the horizontal movement of the first rack 2 and the second rack 8, the function of realizing the constriction in flexible gap and broaden, this dress
Set the phenomenon that will not leading to the device discontinuity due to 1 discontinuity of left and right bridge main body and damaging.
In the present embodiment, buttress 41 is double-layer structure, as shown in figure 3, buttress 41 is slidably connected dress in close to expansion joint
It is the first polytetrafluoroethylene ethylene layer 412 to set place（I.e.：It is the first polytetrafluoroethylene ethylene layer at close to the first rack 2 and the second rack 8
412）, it is steel plate layer 411 at far from expansion joint sliding connecting device；Steel plate layer 411 ensure that buttress 41 has enough rigid
Property so that larger non-horizontal displacement does not occur for the first rack 2 and the second rack 8, in addition, the first polytetrafluoroethylene ethylene layer 412 by
In with micro-elasticity, ensure that due under actual conditions bridge main body 1 occur along its width direction micro-displacement when, due to first
The micro-elasticity of polytetrafluoroethylene ethylene layer 412 acts on, and the first rack 2 and the second rack 8 will not damage easily, and also ensure first
Rack 2 and the second rack 8 respectively with 3 smooth gear motion of gear.Certainly, during specific use, the first polytetrafluoroethyl-ne
Alkene layer 412 needs to apply lubricant respectively with the first rack 2 and 8 contact surface of the second rack, reduces the first rack 2 and the second rack 8
With the friction of 412 lateral surface of the first polytetrafluoroethylene ethylene layer, ensure the first rack 2 and the 8 smooth movement of the second rack.
In order to ensure that crossbeam 5 has stability, the end of crossbeam 5（Left and right end portions in Fig. 2）Lower surface and displacement case 12 it
Between be equipped with compressing support 7, the end of crossbeam 5（Left and right end portions in Fig. 2）Bearing 6 is equipped between upper surface and displacement case 12.
Compressing support 7 is double-layer structure, as shown in figure 4, the lower layer of compressing support 7 is the second polytetrafluoroethylene ethylene layer 72, compressing support 7
Upper layer is spring layer 71, and the second polytetrafluoroethylene ethylene layer 72 has micro- bullet effect, it is tighter to may make that compressing support 7 is bonded with crossbeam 5
Close, difficult to slide, spring layer 71 can enable compressing support 7 to compress crossbeam 5 without bringing it about dislocation movement；Such as Fig. 5
Shown, the material of bearing 6 is polytetrafluoroethylene (PTFE), and it is elastic that polytetrafluoroethylene (PTFE), which has, can make bearing 6 and crossbeam 5
It is bonded closer, ensure that the firm of crossbeam 5 and safety.
Bearing 6 is additionally provided between crossbeam 5 and central sill 4, the lower surface of crossbeam 5 is additionally provided with compression at 4 position of central sill
Bearing 7, by being fixedly connected by U-shaped card 44 at compressing support 7,4 position of crossbeam 5, bearing 6 and central sill, which protects
Its displacement can not only be finely tuned by having demonstrate,proved central sill 4, but also have the function that firm, safety.
The end upper surface of the displacement case 12 at 1 lower part both ends of bridge main body is installed with F shaped steel 45, the upper surface of F shaped steel 45
It is concordant with the upper surface of central sill 4, water band 43 is equipped between F shaped steel 45 and central sill 4（I.e.：The top of water band 43 one end and F shaped steel 45
Opening is connected, and the other end of water band 43 is connected with the upper opening of " king's word " shaped steel of central sill 4）, as shown in Figure 2.
A kind of 2 gear synchronous displacement modulus type expansion joint of embodiment
The present embodiment is a kind of gear synchronous displacement modulus type expansion joint, and concrete structure is similar to Example 1, and difference only exists
In：The expansion joint sliding connecting device being connected in series including two sets or more includes two sets or more of the first rack 2, rolling
Pearl bearing 42, the second rack 8, gear 3.In practical applications, it when flexible gap is larger, needs that several central sills 4 are arranged, it is each
4 lower surface of central sill is both provided with gear guard box 46, and the first rack 2, ball bearing 42, are both provided in gear guard box 46
Two racks 8, gear 3 and buttress 41 share a rack between two neighboring central sill 4, gear 3 are equipped on each central sill 4, if
When setting two sets or more the expansion joint sliding connecting devices being connected in series, the device along bridge main body 1 width direction interval
It shifts to install.
Embodiment 1 or 2 is only presently preferred embodiments of the present invention, is not other forms made for the present invention
It limits, any person skilled in the art is changed or be modified as enlightenment possibly also with above-mentioned technology contents equivalent
The equivalent embodiment of variation.In every case it is the technical spirit without departing from the claims in the present invention, the letter to made by above example
Single modification, equivalent variations and remodeling, still fall within the range of the claims in the present invention protection.
Claims (8)
1. a kind of gear synchronous displacement modulus type expansion joint, including it is separated by the bridge main body of setting（1）, described two bridge main bodies
（1）Lower part is installed with displacement case respectively（12）, described two relative displacement casees（12）Between be equipped with cross over bridge main body（1）Between
Gap along bridge main body（1）The horizontal gird that length direction extends（5）；The crossbeam（5）It is equipped with perpendicular to crossbeam（5）'s
Along bridge main body（1）The central sill that width direction extends（4）；It is characterized in that：The central sill（4）Lower surface be installed with gear guarantor
Protecting box（46）, the gear guard box（6）It is interior be equipped with expansion joint sliding connecting device, the two of the expansion joint sliding connecting device
End respectively be embedded in bridge main body in advance（1）Interior rack fixing piece（11）It is connected；The gear guard box（46）It is interior along bridge
Main body（1）Width direction is installed with respectively in expansion joint sliding connecting device both sides can be against expansion joint sliding connecting device and energy
Make the buttress that it is moved in the horizontal direction（41）.
2. gear synchronous displacement modulus type expansion joint according to claim 1, it is characterised in that：The expansion joint sliding connects
Connection device includes that one end is fixedly arranged on gear guard box（46）The ball bearing of bottom surface（42）, the ball bearing（42）The other end
Across gear guard box（46）With central sill（4）Lower surface is connected, the ball bearing（42）On be arranged with and can be rotated in horizontal plane
Gear（3）；The gear（3）With buttress（41）Between be additionally provided with that horizontally disposed and what is be mutually parallel passes through gear to protect
Case（6）First rack of side wall（2）With the second rack（8）, first rack（2）With the second rack（8）In close to bridge master
Body（1）End respectively with the rack fixing piece（11）It is connected.
3. gear synchronous displacement modulus type expansion joint according to claim 1, it is characterised in that：The buttress（41）It is double
Layer structure, the buttress（41）It is the first polytetrafluoroethylene ethylene layer at the sliding connecting device of close expansion joint（412）, stretched in separate
It is steel plate layer at contracting seam sliding connecting device（411）.
4. gear synchronous displacement modulus type expansion joint according to claim 1, it is characterised in that：The crossbeam（5）End
Portion upper surface and displacement case（12）Between be equipped with compressing support（7）, the crossbeam（5）End lower surface and displacement case（12）It
Between be equipped with bearing（6）.
5. gear synchronous displacement modulus type expansion joint according to claim 1, it is characterised in that：The crossbeam（5）With in
Beam（4）Between be additionally provided with bearing（6）, the crossbeam（5）Lower surface is in central sill（4）Place is additionally provided with compressing support（7）；It is described
Compressing support（7）, crossbeam（5）, bearing（6）And central sill（4）Pass through U-shaped card（44）It is fixed.
6. gear synchronous displacement modulus type expansion joint according to claim 4 or 5, it is characterised in that：The compressing support
（7）For double-layer structure, the compressing support（7）Lower layer be the second polytetrafluoroethylene ethylene layer（72）, the compressing support（7）It is upper
Layer is spring layer（71）.
7. gear synchronous displacement modulus type expansion joint according to claim 6, it is characterised in that：The displacement case（12）End
Portion upper surface is installed with F shaped steel（45）, the F shaped steel（45）Upper surface and central sill（4）Upper surface is concordant, the F shaped steel
（45）With central sill（4）Between be equipped with water band（43）.
8. gear synchronous displacement modulus type expansion joint according to claim 5, it is characterised in that：The pedestal（43）Material
Matter is polytetrafluoroethylene (PTFE).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610899.7A CN108716184B (en) | 2018-06-14 | 2018-06-14 | Gear synchronous displacement modulus formula expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610899.7A CN108716184B (en) | 2018-06-14 | 2018-06-14 | Gear synchronous displacement modulus formula expansion joint |
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| Publication Number | Publication Date |
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| CN108716184A true CN108716184A (en) | 2018-10-30 |
| CN108716184B CN108716184B (en) | 2021-04-27 |
Family
ID=63913015
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810610899.7A Active CN108716184B (en) | 2018-06-14 | 2018-06-14 | Gear synchronous displacement modulus formula expansion joint |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778674A (en) * | 2019-01-28 | 2019-05-21 | 赵祺兴 | A kind of electrodeless adjustment clearance-type viscous damper and its application method |
| CN110528712A (en) * | 2019-07-30 | 2019-12-03 | 中铁大桥局武汉桥梁特种技术有限公司 | A kind of deformation joint unit and deformation joint structure |
| CN110644355A (en) * | 2019-09-27 | 2020-01-03 | 长安大学 | Module type steel expansion joint and working process thereof |
| CN111501538A (en) * | 2020-04-24 | 2020-08-07 | 四川睿铁科技有限责任公司 | Rack and pinion formula bridge large displacement telescoping device |
| CN111576205A (en) * | 2020-04-03 | 2020-08-25 | 南昌市政建设集团有限公司 | Self-dredging type drainage system for bridge and bridge |
| CN112065065A (en) * | 2020-09-03 | 2020-12-11 | 中建八局科技建设有限公司 | Masonry top gap filling construction method |
| CN113832843A (en) * | 2021-10-20 | 2021-12-24 | 中铁大桥勘测设计院集团有限公司 | Bridge structure and expansion joint structure |
| CN117386030A (en) * | 2023-09-19 | 2024-01-12 | 山东省建筑设计研究院有限公司 | Expansion joint structure for building |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003138511A (en) * | 2001-11-01 | 2003-05-14 | Heatrock Kogyo Kk | Joint material and jointed structure |
| KR20100128549A (en) * | 2009-05-28 | 2010-12-08 | 주식회사 삼일엑슨 | Flexible connecting device for bridge |
| CN202073026U (en) * | 2011-05-11 | 2011-12-14 | 中铁二院工程集团有限责任公司 | Vertical spacing and anti-drop-beam structure of bridge |
| CN202359497U (en) * | 2012-04-14 | 2012-08-01 | 李洪坡 | Multi-direction deflection analog-digital type stretching device |
| CN107310431A (en) * | 2017-08-01 | 2017-11-03 | 湖南华品轨道交通有限公司 | A kind of telescopic connector |
| CN207045415U (en) * | 2017-04-26 | 2018-02-27 | 吴江新生喷织有限责任公司 | A kind of movable supporting frame for placing weaving roller |
-
2018
- 2018-06-14 CN CN201810610899.7A patent/CN108716184B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003138511A (en) * | 2001-11-01 | 2003-05-14 | Heatrock Kogyo Kk | Joint material and jointed structure |
| KR20100128549A (en) * | 2009-05-28 | 2010-12-08 | 주식회사 삼일엑슨 | Flexible connecting device for bridge |
| CN202073026U (en) * | 2011-05-11 | 2011-12-14 | 中铁二院工程集团有限责任公司 | Vertical spacing and anti-drop-beam structure of bridge |
| CN202359497U (en) * | 2012-04-14 | 2012-08-01 | 李洪坡 | Multi-direction deflection analog-digital type stretching device |
| CN207045415U (en) * | 2017-04-26 | 2018-02-27 | 吴江新生喷织有限责任公司 | A kind of movable supporting frame for placing weaving roller |
| CN107310431A (en) * | 2017-08-01 | 2017-11-03 | 湖南华品轨道交通有限公司 | A kind of telescopic connector |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109778674A (en) * | 2019-01-28 | 2019-05-21 | 赵祺兴 | A kind of electrodeless adjustment clearance-type viscous damper and its application method |
| CN110528712A (en) * | 2019-07-30 | 2019-12-03 | 中铁大桥局武汉桥梁特种技术有限公司 | A kind of deformation joint unit and deformation joint structure |
| CN110644355A (en) * | 2019-09-27 | 2020-01-03 | 长安大学 | Module type steel expansion joint and working process thereof |
| CN110644355B (en) * | 2019-09-27 | 2021-01-26 | 长安大学 | Module type steel expansion joint and working process thereof |
| CN111576205A (en) * | 2020-04-03 | 2020-08-25 | 南昌市政建设集团有限公司 | Self-dredging type drainage system for bridge and bridge |
| CN111501538A (en) * | 2020-04-24 | 2020-08-07 | 四川睿铁科技有限责任公司 | Rack and pinion formula bridge large displacement telescoping device |
| CN112065065A (en) * | 2020-09-03 | 2020-12-11 | 中建八局科技建设有限公司 | Masonry top gap filling construction method |
| CN112065065B (en) * | 2020-09-03 | 2022-06-10 | 中建八局科技建设有限公司 | Masonry top gap filling construction method |
| CN113832843A (en) * | 2021-10-20 | 2021-12-24 | 中铁大桥勘测设计院集团有限公司 | Bridge structure and expansion joint structure |
| CN117386030A (en) * | 2023-09-19 | 2024-01-12 | 山东省建筑设计研究院有限公司 | Expansion joint structure for building |
| CN117386030B (en) * | 2023-09-19 | 2024-05-28 | 山东省建筑设计研究院有限公司 | Expansion joint structure for building |
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| CN108716184B (en) | 2021-04-27 |
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