CN106436564A - Modular pattern reinforced multidirectional deflection telescopic device and method - Google Patents
Modular pattern reinforced multidirectional deflection telescopic device and method Download PDFInfo
- Publication number
- CN106436564A CN106436564A CN201610904691.7A CN201610904691A CN106436564A CN 106436564 A CN106436564 A CN 106436564A CN 201610904691 A CN201610904691 A CN 201610904691A CN 106436564 A CN106436564 A CN 106436564A
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- displacement
- retractor device
- directional deflection
- controlling box
- modulus type
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000006073 displacement reaction Methods 0.000 claims abstract description 85
- 238000013016 damping Methods 0.000 claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 40
- 239000010959 steel Substances 0.000 claims description 40
- 230000009975 flexible effect Effects 0.000 claims description 9
- 230000007797 corrosion Effects 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000003014 reinforcing effect Effects 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229920001897 terpolymer Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention relates to the technical field of bridge telescopic devices, in particular to a modular pattern reinforced multidirectional deflection telescopic device and method. The device comprises supporting deflection boxes. A bridge gap is formed between the supporting deflection boxes. One or more displacement control boxes are arranged in the bridge gap. Each displacement control box comprises one or more middle beam profiles fixedly connected with the displacement control box. Side beam profiles are arranged on the edges of the supporting deflection boxes. Water stop belts are arranged between the side beam profiles and the middle beam profiles and between the middle beam profiles. Damping springs are arranged between the displacement control boxes. The damping springs are connected with the one or more displacement control boxes and enable the displacement control boxes to be stressed uniformly. The modular pattern reinforced multidirectional displacement telescopic device and method have the advantages that balanced deformation and balanced resistance can be kept through the damping springs when gaps between the displacement control boxes stretch and retract; the original situation that stress is not uniform probably is changed; the connectivity of all the parts is improved, and tight, firm and reliable combination between the parts of the telescopic device and between the telescopic device and beam bodies is guaranteed.
Description
Technical field
The present invention relates to the flexible dress of bridge extension joint technical field, the more particularly to a kind of reinforced multi-directional deflection of modulus type
Put and method.
Background technology
With the development of China's communication, traffic flow and vehicle load increasingly increase, existing modular expansion device
Bridge force-bearing demand at this stage cannot be met：
1st, traditional modular expansion device agent structure size is less than normal, and material label is relatively low, it is impossible to meet vehicular load at this stage
Effect causes the damage that easily fractures；
2nd, traditional side bar steel and beam body concrete are unable to reach effective combination, and anchor system is weak, cause device to depart from beam body
Damage；
3rd, waterstop anchored end unreasonable structure, easy to fall off, and monolayer waterstop cracky affected by environment, finally because of retractor device
Leak causes beam body reinforcing bar and bridge pad corrosion；
4th, traditional modular expansion device bearing lifting surface area is little, and bearing capacity is low, non-displacement support system, ultimately results in
Support beam comes off；
5th, traditional pressure-bearing and sliding support anchor system weakness, easily causing bearing and damaging causes device global failure；
6th, traditional modular expansion device non-displacement control system, it is impossible to which completing uniform stretching causes retractor device sector deformed；
7th, traditional modular expansion device life cycle is short, maintenance cost height.
Content of the invention
The purpose of invention：In order to provide a kind of reinforced multi-directional deflection retractor device of the more preferable modulus type of effect and method,
Specific purposes are shown in the multiple substantial technological effects for being embodied as part.
In order to reach as above purpose, the present invention is adopted the following technical scheme that：
Scheme one：
The reinforced multi-directional deflection retractor device of a kind of modulus type, it is characterised in that comprising supporting displacement case, the support displacement
Include bridge beam gap between case, in the bridge beam gap, include more than one displacement controlling box, the displacement controlling box includes
More than one and the centre sill profile that is connected thereon, support the edge of displacement case to include edge-beam section steel, edge-beam section steel and centre sill profile with
And include waterstop between centre sill profile and centre sill profile, and including damping spring between the displacement controlling box, damping spring is even
Connect more than one displacement controlling box and cause multiple displacement controlling box uniform force.
The further technical scheme of the present invention is, also comprising displacement chain between the displacement controlling box, displacement chain is even
Connect more than one displacement controlling box.
The further technical scheme of the present invention is, the displacement controlling box includes two.
The further technical scheme of the present invention is, the edge-beam section steel and centre sill profile and centre sill profile and centre sill profile
Between the waterstop that includes comprising more than one layer, more than one layer of self distribution of waterstop, relatively low in the middle part of the waterstop,
Avris is higher.
The further technical scheme of the present invention is, also includes cushion space, includes passage, also include in the middle part of displacement controlling box
Two ends are overlapped on cushion space the spandrel girder through passage, comprising upper sliding support above the bracing displacement case, described
Include lower slider bearing below support displacement case.
The further technical scheme of the present invention is, the displacement chain and damping spring are respectively positioned at the both sides of spandrel girder.
The further technical scheme of the present invention is, includes limiting block inside the corresponding bracing displacement case in the spandrel girder both sides
Block, positive stop end is cambered surface.
The further technical scheme of the present invention is, the edge-beam section steel avris include holding tank, above the holding tank and under
Fang Jun is holding tank comprising the wall for projecting in parallel out, between two walls.
The further technical scheme of the present invention is, all comprising anti-slip tank above the edge-beam section steel and centre sill profile.
The reinforced multi-directional deflection telescopic method of a kind of modulus type, it is characterised in that using stretching described in as above any one
Compression apparatus：
Damping spring enables keep in balance when gap is flexible between displacement controlling box deformation and balanced resistance；
Displacement chain prevents gap deformation excessive, prevents from when to the upper limit continuing deformation；
More than one layer of waterstop is distributed up and down, can realize multilamellar sealing, prevents water from leaking down and steel are caused with corrosion；
Pockets and concrete surface product are bigger so that overall structure is more stable；
Positive stop prevents spandrel girder from dislocating.
Using the present invention of as above technical scheme, have the advantages that with respect to prior art：Damping spring causes position
Move can keep in balance when gap is flexible between control chamber deformation and balanced resistance；Change original possibility discontinuity
Situation.Increase each part connectivity, it is ensured that between each component of retractor device, retractor device is tight, firm, reliable with beam body
Combination.
Description of the drawings
In order to further illustrate the present invention, it is further illustrated below in conjunction with the accompanying drawings：
Fig. 1 is inventive structure schematic diagram；
Fig. 2 is invention edge-beam section steel structural representation；
Fig. 3 is invention centre sill profile structural representation；
Fig. 4 is invention displacement chain structure schematic diagram；
Fig. 5 is invention Water stop structure schematic diagram；
Fig. 6 coordinates section bar structural representation for invention；
Fig. 7 is displacement controlling box side schematic view；
Fig. 8 is displacement controlling box front schematic view；
Fig. 9 is the structural representation of the internal spandrel girder distribution of cushion space；
Figure 10 is damper spring arrangement schematic diagram；
Figure 11 is overlooking the structure diagram of the present invention；
Wherein：1. displacement case is supported；2. edge-beam section steel；3. waterstop；4. centre sill profile；5. damping spring；6. anti-slip tank；7. go up
Layer waterstop；8. lower floor's waterstop；9. pockets；10. section bar is coordinated；11. displacement chains；12. spandrel girders；13. is raised；
Sliding support on 14.；15. positive stops；16. displacement controlling boxes；17. lower slider bearings；18. cushion spaces.
Specific embodiment
Below in conjunction with the accompanying drawings embodiments of the invention are illustrated, embodiment is not construed as limiting the invention：
Scheme one：
The reinforced multi-directional deflection retractor device of a kind of modulus type, it is characterised in that comprising supporting displacement case, the support displacement
Include bridge beam gap between case, in the bridge beam gap, include more than one displacement controlling box, the displacement controlling box includes
More than one and the centre sill profile that is connected thereon, support the edge of displacement case to include edge-beam section steel, edge-beam section steel and centre sill profile with
And include waterstop between centre sill profile and centre sill profile, and including damping spring between the displacement controlling box, damping spring is even
Connect more than one displacement controlling box and cause multiple displacement controlling box uniform force.The reality played by the technical scheme at this place
The technique effect of matter and its to realize process be as follows：Damping spring enables to keep when between displacement controlling box, gap is flexible
Balanced deformation and balanced resistance；Change the situation of original possibility discontinuity.Increase each part connectivity, it is ensured that flexible
Between each component of device, tight, firm, the reliable combination of retractor device and beam body.
Also comprising displacement chain between the displacement controlling box, displacement chain connects more than one displacement controlling box.This
The technique effect of the essence played by the technical scheme at place and its to realize process be as follows：The structure at this place prevents degree of being pulled through from making
Obtain overall structure to overstep the extreme limit and damage.Displacement chain prevents gap deformation excessive, prevents from when to the upper limit continuing deformation.Knot
Accompanying drawing is closed, the displacement controlling box includes two.Similar realizes structure and number all in the protection domain of this patent.
The waterstop for including between the edge-beam section steel and centre sill profile and centre sill profile and centre sill profile includes one layer
More than, more than one layer of self distribution of waterstop, relatively low in the middle part of the waterstop, avris is higher.The technical scheme at this place
The technique effect of the essence for being played and its to realize process be as follows：More than one layer of waterstop is distributed up and down, can realize multilamellar
Sealing, prevents water from leaking down and steel is caused with corrosion.
Also including cushion space, includes passage in the middle part of displacement controlling box, also cushion space is overlapped on comprising two ends and passes through
The spandrel girder of passage, includes upper sliding support above the bracing displacement case, props up comprising lower slider below the bracing displacement case
Seat.The technique effect of the essence played by the technical scheme at this place and its to realize process be as follows：When flexible, spandrel girder two
End can have appropriate cushion space in cushion space.
The displacement chain and damping spring are located at the both sides of spandrel girder respectively.The corresponding support level in the spandrel girder both sides
Move inside case and include positive stop, positive stop end is cambered surface.The technique effect of the essence played by the technical scheme at this place
And its to realize process be as follows：Spandrel girder will not fall down, and overall structure will not be damaged, it is ensured that its in certain scope,
Positive stop prevents spandrel girder from dislocating.
The edge-beam section steel avris includes holding tank, all comprising the wall for projecting in parallel out above and below the holding tank, two
It is holding tank between wall.The technique effect of the essence played by the technical scheme at this place and its to realize process be as follows：Holding tank
Bigger with concrete surface product so that overall structure is more stable.
All comprising anti-slip tank above the edge-beam section steel and centre sill profile.The skill of the essence played by the technical scheme at this place
Art effect and its to realize process be as follows：Anti-slip tank energy increasing friction force, this patent is more suitable for using.
Preferably, displacement chain two ends are fixed by steel card or by being welded and fixed.Both ends of the spring passes through bolt
Fix or be fixed on displacement controlling box by the way of welding.
Be evenly arranged one and above centre sill profile between the edge-beam section steel and edge-beam section steel, edge-beam section steel top surface with
Beam type material top surface is flushed with bridge floor respectively.
This place additionally provides a kind of bridge inhomogeneities of dry maintenance and becomes detection method, it is characterised in that the side bar
And central sill between, or between central sill and central sill, in the interlayer of two waterstops, comprising range sensor, the Distance-sensing
Device can detect side bar and central sill or the distance between central sill and central sill, can protect between the waterstop being distributed up and down
Hold which to be located in dry working environment, circuit is walked in displacement controlling box and is oriented to avris along waterstop, can be more from avris
Change power supply；Power supply is powered to range sensor, can be detected side bar and central sill or the distance between central sill and central sill
And be monitored, using collection in worksite or radio communication is adopted, sector deformed and inhomogeneous deformation can be monitored at any time, pass through
Whether data are monitored to damaging, to determine maintenance condition and maintenance situation.
Using this kind of method, can allow service work that manpower is more saved, and some daily regions that can't see are monitored, convenient row
Except hidden danger.
The waterstop is ethylene propylene terpolymer water stop band.
The technical solution used in the present invention is that edge-beam section steel dorsal part falls c-opening（Holding tank）Locate and by anchor plate and anchor
Gu the anchor system of reinforcing bar composition is fixedly connected, one and above centre sill profile, side bar between the edge-beam section steel, is evenly arranged
Section bar is flushed with bridge floor with the top surface of centre sill profile；Between the edge-beam section steel and centre sill profile, centre sill profile and centre sill profile
Between comprising the drainage system being made up of two and above rubber fastening band；The edge-beam section steel lower, transverse is provided with support and becomes
Position system；Also include position control system, in displacement control system, damping spring device and displacement displacement chain device are auxiliary mutually
Effect is helped, retractor device entirety uniform force is made, plays the uniformly flexible effect of multi-directional deflection.
Generally speaking, this patent also has following outstanding advantage：
1st, different formed steel construction size increases, and material adopts high strength steel, it is ensured that retractor device bulk life time
3rd, double-deck waterstop design, increases waterstop service life, reduces maintenance replacement cost.
4th, designed by dust excluding plate, it is to avoid driving rubbish enters the Telescopic failure caused by waterstop and frequently clears up
Problem, increase waterstop service life and simultaneously reduce maintenance cost.
5th, dust excluding plate envisaged underneath damping rubber bed course, effectively reduces driving noise, plays environmental protection noise reduction.
This patent and prior art compare：
With following outstanding advantage：
1st, retractor device main structure body different formed steel construction size increases, and central sill increases, and steel label increases, it is ensured that retractor device is whole
Body service life.
2nd, retractor device main structure body deformed steel more existing " F type " " c-type " " E type " steel is no matter from load performance, anti-twist
Deformation performance or stability, impact resistance, all have a distinct increment.
3rd, retractor device main structure body deformed steel top surface design anti-slip tank, increases frictional resistance, improves traffic safety performance.
4th, with concrete junction using the design of the falling c-type i.e. presence of holding tank on the left of side bar, increase is connect with concrete
Contacting surface is accumulated, while coordinating anchor plate, improves integral fastening performance.
5th, retractor device main structure body deformed steel waterstop anchoring notch adopts embedded design, coordinates waterstop anchored end
Hollow inflated design, improves waterstop anchoring property, prevents its loose or dislocation.
6th, sealing carrying material adopts high-performance ethylene propylene diene rubber, improves component service life.
7th, retractor device improves water-proof drainage performance using double-deck Water stop structure design, leads so as to reduce leak damage
The beam body reinforcing bar of cause and the risk of bridge pad corrosion.
8th, increase spandrel girder and sliding support size, improve retractor device pressure-bearing and slide laterally ability.
9th, stopping means are increased, the support beam under preventing from acting on because of extreme displacement is come to nothing risk, it is ensured that retractor device is whole
Body uses feature.
10th, displacement chain is that Bit andits control displacement chain is arranged between side bar steel and middle joist steel, middle joist steel and middle joist steel,
Ensure the uniform displacement performance of retractor device.
11st, damping spring is that spring-damper is arranged between middle joist steel and middle joist steel, it is ensured that the uniform change of retractor device
Position performance.
12nd, retractor device adopts displacement control system first, solves existing retractor device because of flexible uneven and horizontal position
The sector deformed damage that shifting demand causes.
13rd, retractor device bulk life time and the more traditional modular expansion device of displacement performance improve a lot, so as to reduce
Maintenance cost.
Using this kind of structure, side bar spoilage is directly down to 0, just has a meeting at 1 year or so per 20 variables originally
Come off or damage；Lower section is corrosion-free, entered originally aqueous corrosion and often causes expansion joint to break down, and saves about three points of maintenance cost
One of, increase service life；Using this kind of structure, be not in that inhomogeneities become, often had originally sector deformed damage, and adopted
After this structure, uniform force, deformation is unified.
In a creative way, each effect above is individually present, moreover it is possible to complete the combination of the above results with a nested structure.
It is clear that the technique effect that above structure is realized is realized, and discounting for additional technical scheme, this patent title is also
It can be a kind of bridge stretching structure.The not shown part details of in figure.
It should be noted that multiple schemes that this patent is provided include the basic scheme of itself, separate, not mutually
Restriction, but which can also be mutually combined in the case of not conflicting, and reach multiple effects and realize jointly.
Ultimate principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of this area
Personnel should be recognized that the present invention is not restricted to the described embodiments, and described in above-described embodiment and description is that this is described
Bright principle, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these changes
Both fall within claimed scope with improving.
Claims (10)
1. the reinforced multi-directional deflection retractor device of a kind of modulus type, it is characterised in that comprising displacement case is supported, the support becomes
Include bridge beam gap between the case of position, in the bridge beam gap, include more than one displacement controlling box, the Bit andits control case and bag
Be connected containing more than one and thereon centre sill profile, supports the edge of displacement case to include edge-beam section steel, edge-beam section steel and centre sill profile
And include waterstop between centre sill profile and centre sill profile, include damping spring, damping spring between the displacement controlling box
Connect more than one displacement controlling box and cause multiple displacement controlling box uniform force.
2. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 1, it is characterised in that the displacement
Also comprising displacement chain between control chamber, displacement chain connects more than one displacement controlling box.
3. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 2, it is characterised in that the displacement
Control chamber includes two.
4. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 1, it is characterised in that the side bar
The waterstop for including between section bar and centre sill profile and centre sill profile and centre sill profile includes more than one layer, more than one layer only
Self distribution of water band, relatively low in the middle part of the waterstop, avris is higher.
5. the reinforced multi-directional deflection retractor device of a kind of modulus type as claimed in claim 2, it is characterised in that also comprising slow
Space being rushed, in the middle part of displacement controlling box, includes passage, also cushion space the spandrel girder through passage is overlapped on comprising two ends, described
Include upper sliding support above bracing displacement case, below the bracing displacement case, include lower slider bearing.
6. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 5, it is characterised in that the displacement
Chain and damping spring are located at the both sides of spandrel girder respectively.
7. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 5, it is characterised in that the load-bearing
Include positive stop inside the corresponding bracing displacement case in beam both sides, positive stop end is cambered surface.
8. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 1, it is characterised in that the side bar
Section bar avris includes holding tank, all comprising the wall for projecting in parallel out above and below the holding tank, is holding tank between two walls.
9. a kind of reinforced multi-directional deflection retractor device of modulus type as claimed in claim 1, it is characterised in that the side bar
All comprising anti-slip tank above section bar and centre sill profile.
10. the reinforced multi-directional deflection telescopic method of a kind of modulus type, it is characterised in that using stretching as described in claim 1-9
Compression apparatus：
Damping spring enables keep in balance when gap is flexible between displacement controlling box deformation and balanced resistance；
Displacement chain prevents gap deformation excessive, prevents from when to the upper limit continuing deformation；
More than one layer of waterstop is distributed up and down, can realize multilamellar sealing, prevents water from leaking down and steel are caused with corrosion；
Pockets and concrete surface product are bigger so that overall structure is more stable；
Positive stop prevents spandrel girder from dislocating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904691.7A CN106436564A (en) | 2016-10-18 | 2016-10-18 | Modular pattern reinforced multidirectional deflection telescopic device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610904691.7A CN106436564A (en) | 2016-10-18 | 2016-10-18 | Modular pattern reinforced multidirectional deflection telescopic device and method |
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| Publication Number | Publication Date |
|---|---|
| CN106436564A true CN106436564A (en) | 2017-02-22 |
Family
ID=58176958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610904691.7A Pending CN106436564A (en) | 2016-10-18 | 2016-10-18 | Modular pattern reinforced multidirectional deflection telescopic device and method |
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| CN (1) | CN106436564A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190642A (en) * | 2017-07-27 | 2017-09-22 | 单国珠 | A kind of integrated-reinforcing modulus type multi-directional deflection retractor device and method |
| CN108179699A (en) * | 2018-02-01 | 2018-06-19 | 刘强 | A kind of waterproof expansion joint device and waterstop |
| CN108330822A (en) * | 2018-01-31 | 2018-07-27 | 单国珠 | A kind of dust-proof slag freedom from repairs bridge extension joint and waterstop |
| CN109778687A (en) * | 2017-11-14 | 2019-05-21 | 长沙理工大学 | Replaceable modular expansion device and its preparation process are combined in a kind of assembly |
| CN112177179A (en) * | 2020-10-03 | 2021-01-05 | 中交四公局建筑工程有限公司 | Large integral underground space structure shrinkage crack control device and control method |
| CN112900251A (en) * | 2021-01-21 | 2021-06-04 | 秦利琼 | Anchoring device for waterproof expansion joint of highway and using method thereof |
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| CN2709511Y (en) * | 2004-06-04 | 2005-07-13 | 成都市新筑路桥机械股份有限公司 | Expansion device of superlarge displacement bridge |
| CN202688869U (en) * | 2012-10-17 | 2013-01-23 | 衡水健达工程橡胶有限公司 | Special-shaped steel rubber telescopic device |
| CN103452041A (en) * | 2013-10-09 | 2013-12-18 | 湖南广和桥梁构件有限公司 | Large-displacement-amount modular pattern bridge expansion device of safe deposit box system |
| CN103741594A (en) * | 2013-10-21 | 2014-04-23 | 单国珠 | ZEY-type large-stroke bridge expansion device |
| CN206359886U (en) * | 2016-10-18 | 2017-07-28 | 单国珠 | A kind of reinforced multi-directional deflection retractor device of modulus type |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2709511Y (en) * | 2004-06-04 | 2005-07-13 | 成都市新筑路桥机械股份有限公司 | Expansion device of superlarge displacement bridge |
| CN202688869U (en) * | 2012-10-17 | 2013-01-23 | 衡水健达工程橡胶有限公司 | Special-shaped steel rubber telescopic device |
| CN103452041A (en) * | 2013-10-09 | 2013-12-18 | 湖南广和桥梁构件有限公司 | Large-displacement-amount modular pattern bridge expansion device of safe deposit box system |
| CN103741594A (en) * | 2013-10-21 | 2014-04-23 | 单国珠 | ZEY-type large-stroke bridge expansion device |
| CN206359886U (en) * | 2016-10-18 | 2017-07-28 | 单国珠 | A kind of reinforced multi-directional deflection retractor device of modulus type |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107190642A (en) * | 2017-07-27 | 2017-09-22 | 单国珠 | A kind of integrated-reinforcing modulus type multi-directional deflection retractor device and method |
| CN109778687A (en) * | 2017-11-14 | 2019-05-21 | 长沙理工大学 | Replaceable modular expansion device and its preparation process are combined in a kind of assembly |
| CN108330822A (en) * | 2018-01-31 | 2018-07-27 | 单国珠 | A kind of dust-proof slag freedom from repairs bridge extension joint and waterstop |
| CN108179699A (en) * | 2018-02-01 | 2018-06-19 | 刘强 | A kind of waterproof expansion joint device and waterstop |
| CN112177179A (en) * | 2020-10-03 | 2021-01-05 | 中交四公局建筑工程有限公司 | Large integral underground space structure shrinkage crack control device and control method |
| CN112177179B (en) * | 2020-10-03 | 2021-09-24 | 中交四公局建筑工程有限公司 | Large integral underground space structure shrinkage crack control device and control method |
| CN112900251A (en) * | 2021-01-21 | 2021-06-04 | 秦利琼 | Anchoring device for waterproof expansion joint of highway and using method thereof |
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Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |