CN105887672B - Telescopic device with arcuate resilient connection - Google Patents
Telescopic device with arcuate resilient connection Download PDFInfo
- Publication number
- CN105887672B CN105887672B CN201610436383.6A CN201610436383A CN105887672B CN 105887672 B CN105887672 B CN 105887672B CN 201610436383 A CN201610436383 A CN 201610436383A CN 105887672 B CN105887672 B CN 105887672B
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- Prior art keywords
- adhesive tape
- plate
- elastic connection
- telescopic device
- expansion joint
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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
- E01D19/065—Joints having sliding plates
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to building telescopic devices, a kind of telescopic device with arcuate resilient connection is provided, two side bars including being located at expansion joint both sides, two side bars are oppositely arranged, it further includes and is located between two side bars and across the adhesive tape at expansion joint, at least one elastic connection plate is also set up below adhesive tape, each elastic connection plate is arranged at intervals successively along the length direction for being parallel to expansion joint and anchor bolt is consolidated on two side bars, and each elastic connection plate is across expansion joint and vertical supporting adhesive tape.In the telescopic device of the present invention, adhesive tape waterproof sealing is used between two side bars, and adhesive tape is then supported using at least one elastic connection plate being disposed below, certain opposition can be provided adhesive tape, increase adhesive tape reliability, adhesive tape will not be easily by coming off on side bar, and in addition elastic connection plate can function similarly to the effect of " elastic connection hinge ", make the right and left beam cooperative bearing, increase telescopic device structural integrity.
Description
Technical field
The present invention relates to bridge and other building telescopic devices more particularly to a kind of flexible dress with arcuate resilient connection
It puts.
Background technology
Telescopic device is the key position in bridge member, is played an important role in bridge function is realized.National standard
《Standard for terms used in road engineering》(GBJ124-1988) and traffic industry standard《Highway engineering noun structure term》(JTJ 002-
87) it is to the definition of bridge extension joint：For vehicle is made to smoothly pass bridge floor and meet bridge deck structure deformation needs, in bridge floor
The general name of the device set at variator.
At present, common bridge extension joint can be divided into according to system：1. modulus bridge expansion device；2. fishback
Bridge extension joint, such as common comb plate bridge expansion device, modular multi-directional deflection comb plate bridge expansion device, module comb
Toothed plate type Multidirectional displacement bridge expansion device etc..《Expansion Units for Highway Bridges》(JT/T 327-2004) and modulus type is stretched
It is equal in device, the formal classification less than 80mm is " profile iron list seam ".
Single seam type steel expansion device is most popular a kind of telescopic device on current highway bridge, accounts for about whole bridges
The 80% of beam telescopic device dosage.Single seam bridge extension joint uses the shaped steel of domestic hot-roll forming as main member, build-in
Water-proof sealing rubber strip is extrusome, and is equipped with anchor system.
By mounting groove wire feeding, common list seam type steel expansion device mainly has following several：
1st, the single seam type steel expansion device of rigid connection (Concrete Filled)
The single seam type steel expansion device of rigid connection mainly has c-type, F types, the common shaped steel type of 3 kinds of E types.
2nd, flexible connection (resin or binding material filling) single seam type steel expansion device
When the anchorage zone of single seam type steel expansion device is structure, arrowhead deficiency of the construction due to, such as make
It with rigid connection, since fill concrete is excessively weak, tends not to reach expected anchoring strength, it is broken that early stage easily occurs
It is bad, then preferably telescopic device is anchored using the mode of flexible connection in this case, it is common to have BEJ resin adhesive type types
Steel telescopic device and Betoflex flexible connection formula type steel expansion devices.
By installation groove depth, two kinds of standard buried depth and shallow overburden can be divided into, related to single seam anchoring system, the former uses anchor
The single seam rigidly anchored of plate and big annular dowel, installation groove depth are embedded in girder, the latter uses more in 25~30cm
Single seam of the elasticity anchoring such as peg, fitting depth are embedded in during bridge mats formation in 15cm~16cm.
Single seam type steel expansion device use is most wide, and force modes are relatively easy.To single seam type steel expansion device
Speech, common damage -form have following several：
1. anchorage zone concrete destruction
2. the rapid aging of caulking gum band comes off or ruptures, sanitary fill is excessive in fluid sealant, influences Telescopic.
And it causes sealing rubber strip leak and is the main reason for destruction：The shape of sealing rubber strip and central sill and side bar steel
The degree of lip-rounding mismatch；Since the impurity such as the stone on road surface, silt enter and are deposited in sealing rubber strip gap, big of rigidity
Grain substance is difficult to be extruded, and is pushed through wheel, since rubber strip is without support, and adhesive tape finite thickness, therefore, in stone, mud
The impurity such as sand are under by the extruding of wheel, and rubber strip is easily punctured or extruding force is excessive, so as to make adhesive tape both ends bayonet easy
It is extruded and shakes off, so as to cause to be leaked under rainwater, dust, sundries.
Invention content
The purpose of the present invention is to provide a kind of telescopic devices with arcuate resilient connection, it is intended to existing for solving
The rubber strip of telescopic device easily accumulates stone silt etc., in turn results in the problem of adhesive tape extruding comes off.
The invention is realized in this way：
A kind of telescopic device with arcuate resilient connection of offer of the embodiment of the present invention, two including being located at expansion joint both sides
A side bar, two side bars are oppositely arranged, and are further included and are located between two side bars and across the expansion joint
Adhesive tape, also sets up at least one elastic connection plate below the adhesive tape, and each elastic connection plate edge is parallel to described stretch
The length direction of contracting seam is arranged at intervals successively and anchor bolt is consolidated on two side bars, and each elastic connection plate is across institute
State expansion joint and the support adhesive tape.
Further, the elastic connection plate is bent into two shrapnel parts being oppositely arranged, and two shrapnels enclose shape
Into arch horizontally toward, and bear against on two side bars.
Further, the elastic connection plate has multiple, and the two neighboring elastic connection plate can be oppositely arranged or phase
Back of the body setting.
Further, the elastic connection plate has multiple, and each elastic connection plate is set in the same direction successively.
Further, there are two slide plate, two slide plates point for sandwiched between the elastic connection plate and the adhesive tape
Level is not welded on two side bars, and end of two slide plates far from the corresponding side bar is superimposed with each other.
Specifically, be also both provided with L-type plate on the opposite face of two side bars, each L-type plate and corresponding side bar it
Between formed opening upwards U-type groove, the adhesive tape two ends bending after be clamped in respectively in two U-type grooves.
Further, each side bar also has the top plate to another side bar extension, and the top plate is located at the U
The surface of type groove, the end sections of the adhesive tape are posted by the lower surface of the corresponding top plate.
Further, reinforcing bar lock is also arranged between every one end of the adhesive tape and the corresponding top plate.
Further, indentation, there of the adhesive tape between corresponding two top plates folds undulate and repeatedly bends knot
Structure, and the vertex of the waterproof adhesive tape is less than the upper surface of two top plates.
Further, also have in the bottom of each side bar and be horizontally placed on the expansion joint respective side concrete
Bottom plate.
The invention has the advantages that：
The telescopic device of the present invention, for adhesive tape across expansion joint, both ends are then individually fixed in two sides being oppositely arranged
Liang Shang is provided at least one elastic connection plate for carrying out vertical support to it below adhesive tape, each elastic connection plate with
It is anchor bolt consolidation between two side bars, is not only able to so that telescopic device integrally meets the deformation requirements at expansion joint, and
It can play the role of similar with " elastic connection hinge ", make 11 cooperative bearing of the right and left beam, it is whole to increase by 1 structure of telescopic device
Property.
Description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention, for those of ordinary skill in the art, without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structure diagram of bridge provided in an embodiment of the present invention；
Fig. 2 is the structure diagram of the telescopic device with arcuate resilient connection of the bridge of Fig. 1；
Fig. 3 is the bowing when elastic connection plate of the telescopic device with arcuate resilient connection of the bridge of Fig. 1 is arranged in the same direction
View；
Fig. 4 is that the elastic connection plate of the telescopic device with arcuate resilient connection of the bridge of Fig. 1 is adjacent backwards to when arranging
Vertical view.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other without making creative work
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1-Fig. 4, the embodiment of the present invention provides a kind of telescopic device 1 with arcuate resilient connection, including two
Side bar 11, side bar 11 are built in vertically in the concrete of 2 both sides of expansion joint, to be oppositely arranged between two side bars 11, two sides
Adhesive tape 12 is folded between beam 11, for adhesive tape 12 across expansion joint 2, telescopic device 1 further includes at least one positioned at 12 lower section of adhesive tape
A elastic connection plate 16, each elastic connection plate 16 can stretch in the horizontal direction, and edge is parallel to the length direction at expansion joint 2
Each elastic connection plate 16 is arranged at intervals successively, and each elastic connection plate 16 is across expansion joint 2 and the above-mentioned adhesive tape 12 of support.The present invention
The telescopic device 1 of offer can be applied in bridge expanssion joint 2, and expansion joint is formed between specially adjacent beam body 3 or abutment
2, fiber concrete 31 has been poured at expansion joint 2 in beam body 3 or abutment, and it is then equipped with pitch coagulation elsewhere
Native face layer, side bar 11 is installed on fiber concrete 31, and one side is fiber concrete 31, and opposite side is then expansion joint 2
And towards another side bar 11, adhesive tape 12 is made of water proof rubber, the surface patch that both ends are oppositely arranged respectively with two side bars 11
Close connection, since adhesive tape 12 is located at the top at expansion joint 2, so as to form the closure to expansion joint 2, rainwater, dust or its
Its sundries is difficult to, by leaking under expansion joint 2, at least one elastic connection plate 16 is provided in the lower section of adhesive tape 12, passes through elasticity
Connecting plate 16 can play the adhesive tape 12 being positioned above supporting role, two ends difference position of each elastic connection plate 16
In the both sides at expansion joint 2 and respectively between corresponding side bar 11, anchor bolt consolidates, and uses anchor bolt consolidation that can be conducive to elasticity
16 stress of connecting plate, prevents fatigue rupture.Since elastic connection plate 16 can stretch in the horizontal direction, expansion joint 2 disclosure satisfy that
Deformation requirements, and it connects two side bars 11, can play the role of similar with " elastic connection hinge ", makes the right and left beam
11 cooperative bearings increase by 1 structural integrity of telescopic device, while elastic connection plate 16 can generate the adhesive tape 12 above it and erect
To reaction force, can by the rubble accumulated in adhesive tape 12 squeeze out two side bars 11 between, even if in the work of larger grinding pressure
Under, adhesive tape 12 will not be easily by coming off on side bar 11.Can be welded between bottom plate 13 and side bar 11, or one into
Type is made, and bottom plate 13 can increase the bearing area between side bar 11 and fiber concrete 31, so as to reduce vehicular impact load
The impact failure of the lower installing zone concrete of effect.
Referring to Fig. 1, Fig. 3 and Fig. 4, the structure of elastic connection plate 16 is refined, forms what is be oppositely arranged by flat plate buckling
Two shrapnel parts 161, two shrapnels are enclosed arch horizontally toward, and bear against on two side bars 11.Elasticity is even
Fishplate bar 16 is bow-shaped structural, and the opening of bow-shaped structural, towards the length extending direction at expansion joint 2, two shrapnel parts 161 are erected
Straight setting, partly fits in respectively on corresponding side bar 11, and carries out anchor bolt consolidation between corresponding side bar 11 respectively, passes through
Two shrapnel parts 161 are along the elasticity across 2 direction of expansion joint to meet the deformation requirements at expansion joint 2.Usually, each flexible dress
Put 1 and include multiple elastic connection plates 16, and the length direction along expansion joint 2 be located at intermediate elastic connection plate 16 with wherein
One adjacent elastic connection plate 16 is oppositely arranged (opening of the bow-shaped structural of two elastic connection plates 16 is opposite), and another adjacent
Elastic connection plate 16 is disposed opposite to each other (opening of the bow-shaped structural of two elastic connection plates 16 mutually deviates from).It can certainly make each bullet
The opening of property connecting plate 16 is towards identical, the distance between each elastic connection plate 16 all same, i.e., each elastic connection plate 16 is along stretching
The length direction of contracting seam 2 is evenly arranged successively.
Referring to Fig. 1 and Fig. 2, optimize above-described embodiment, each side bar 11 is respectively provided with the slide plate extended to another side bar 11
14, two slide plates 14 overlap, and two slide plates 14 are respectively positioned on adhesive tape in the end far from corresponding side bar 11 with part-structure
Between 12 and each elastic connection plate 16.It in the present embodiment, is superimposed with each other between two slide plates 14, forms overlap joint, to this flexible
During 2 deformation of seam, opposite slip can be formed between upper two slide plates 14 in the horizontal direction, i.e. the two does not interfere with expansion joint 2
Dilatation, on the other hand, two slide plates 14 are located at the lower section of adhesive tape 12, and adhesive tape 12 can be contacted or be separated by with the two, but
It is that spacing is very small, vertical supporting role can be formed to adhesive tape 12 by two slide plates 14.When adhesive tape 12 is squeezed by rubble
Pressure, two slide plates 14 can be that adhesive tape 12 provides reaction force, since depth is shallower between 11 top plate of 12 bottom surface of adhesive tape and side bar,
Rubble can be caused to be taken out of after the rolling of wheel with wheel rolling, and then reduce the generation of card stone phenomenon.By connecting in elasticity
Slide plate 14 is added between fishplate bar 16 and adhesive tape 12, can have larger contact area, Jin Erke between adhesive tape 12 and slide plate 14
To ensure that the supporting role power that each elastic connection plate 16 generates adhesive tape 12 is more balanced.
Referring to Fig. 2, the structure of side bar 11 is advanced optimized, L-type plate is also both provided on the opposite face between two side bars 11
151, the U-type groove 15 of opening upwards, two ends part of above-mentioned adhesive tape 12 are formed between each L-type plate 151 and corresponding side bar 11
It does not stopper in two U-type grooves 15.For U-type groove 15, it is smaller with respect to the side height of side bar 11, and the both ends of adhesive tape 12 only need
The bending carried out slightly can be stretched into corresponding U-type groove 15, by setting U-type groove 15 that can simplify adhesive tape on side bar 11
Connection structure between 12 and side bar 11, the end of adhesive tape 12, which can stablize, to be installed on corresponding side bar 11, while using opening
Upward U-type groove 15, can strengthen the sealing performance of the connection structure between adhesive tape 12 and side bar 11, i.e. rainwater is difficult to by adhesive tape
It is penetrated into expansion joint 2 between 12 and side bar 11.
Continue to optimize above-described embodiment, each side bar 11 also has the top plate 111 extended to another side bar 11, each top plate
111 are located at the surface of corresponding U-type groove 15, when the end of adhesive tape 12 is stretched into U-type groove 15 be in clamping connection when, the end of adhesive tape 12
There is part-structure to be bonded with the lower surface of the top plate 111 of respective side in portion, so as to avoid rainwater through adhesive tape 12 and top plate 111
Between enter in expansion joint 2, further improve the water resistance of telescopic device 1.
Referring again to Fig. 1 and Fig. 2, further, also block between the every one end and corresponding top plate 111 of adhesive tape 12
Equipped with reinforcing bar lock 121.There is part-structure to be bonded with top plate 111 for the end of adhesive tape 12, and specially adhesive tape 12 is leaned on top plate 111
The part-structure fitting of near side (ns) beam 11, and do not contacted between end of the top plate 111 far from side bar 11 and adhesive tape 12, i.e., edge is leaned on
The direction of near side (ns) beam 11, forms the tapered clamping opening of bore between top plate 111 and adhesive tape 12, above-mentioned reinforcing bar lock 121 is clamped in
In the clamping opening, it can play the role of clamping adhesive tape 12 so that the end of adhesive tape 12 will not be easily by U-type groove 15 deviating from.
Usually, each top plate 111 is respectively positioned on the top of corresponding side bar 11, and upper surface is in plane, with beam body 3 or abutment
Asphalt concrete pavement be generally aligned in the same plane in, can for drive a vehicle continuous traffic loading end be provided.
For above structure form, there is certain distance between two top plates 111, i.e., gap is formed between the two, by glue
Item 12 corresponds to be folded, and the multiple bending structure of part undulate after folding, and waveform is more at the position in the gap
The vertex of secondary bending structure is less than the lower edge of two top plates 111.The multiple bending structure of waveform can cause adhesive tape 12 along across
The direction at expansion joint has preferable elasticity, can cause adhesive tape 12 compared to the main telescopic variation of traditional adhesive tape by vertically turning
For transverse direction, this lateral telescopic variation does not interfere with the stability of its connection, i.e. adhesive tape 12 will not be easily by two side bars 11
Between come off, simultaneously because after folding adhesive tape 12 the multiple bending structure of waveform, when stone or silting to adhesive tape 12
After upper, when expansion joint is shunk, the reaction force that is generated by two slide plates 14 and can will thereon under the action of bulge-structure
Stone or silt between two side bars 11 by squeezing out, so as to achieve the purpose that slagging-off.
Referring again to Fig. 1 and Fig. 2, further, also it is separately installed in the fiber concrete 31 of 2 both sides of expansion joint
Anchor tie plate 17, two side bars 11 are respectively positioned between two anchor tie plates 17, and each side bar 11 is both secured on corresponding anchor tie plate 17.
Anchor tie plate 17 is embedded in the fiber concrete 31 of respective side, and corresponding side bar 11 can form solid by welding
It is fixed, and anchor tie plate 17 also there is part-structure to be located on the bottom plate 13 of respective side, also be welding between bottom plate 13, so as to
To enhance the stability of 11 structure of side bar.Optimize above-described embodiment, also buried respectively in the fiber concrete 31 of 2 both sides of expansion joint
Equipped with gantry type reinforcing bar 18, which extends to the lower section of the anchor tie plate 17 of respective side, and its anchor with respective side
It is welded between pulling plate 17.Specially gantry type reinforcing bar 18 is square frame structure, and its underlying structure disconnects, gantry type
18 part of reinforcing bar is located in fiber concrete 31, also there is part to be located in beam body 3 or abutment, to this in installation gantry type
It, should be in preparing beam body 3 or when abutment be carried out that part is pre-buried, so that the gantry type reinforcing bar 18 after installing during reinforcing bar 18
With stronger stability, and two-sided welding is carried out between anchor tie plate 17 and gantry type reinforcing bar 18, anchor tie plate 17 and side bar 11
Stability can be further improved.Usually, steel hoop 19, annular steel are also embedded in fiber concrete 31
Muscle 19 is horizontal-extending by the outside of the anchor tie plate 17 of respective side, i.e. gantry type reinforcing bar 18 is vertically extending with respect to anchor tie plate 17, and ring
Shape reinforcing bar 19 is then horizontal-extending relative to anchor tie plate 17, and steel hoop 19 and the gantry type reinforcing bar 18 of respective side are welded, from
And the steel hoop 19, gantry type reinforcing bar 18 and anchor tie plate 17 of the same side are connected as an entirety.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of telescopic device with arcuate resilient connection, two side bars including being located at expansion joint both sides, two sides
Beam is oppositely arranged, it is characterised in that：Each side bar also has the top plate to another side bar extension, two top plates
Between form gap, and the upper surface of the top plate can provide traffic loading end for driving；It further includes and is located in two sides
Between beam and across the adhesive tape at the expansion joint, at least one elastic connection plate is also set up below the adhesive tape, it is each described
Elastic connection plate is arranged at intervals successively along the length direction for being parallel to the expansion joint and anchor bolt is consolidated on two side bars,
Each elastic connection plate is across the expansion joint and the support adhesive tape；The elastic connection plate is bow-shaped structural.
2. the telescopic device as described in claim 1 with arcuate resilient connection, it is characterised in that：The elastic connection plate is curved
Two shrapnel parts being oppositely arranged are converted into, two shrapnel parts are enclosed arch horizontally toward, and bear against in two
On a side bar.
3. the telescopic device as claimed in claim 2 with arcuate resilient connection, it is characterised in that：The elastic connection plate tool
Have multiple, the two neighboring elastic connection plate can be oppositely arranged or be disposed opposite to each other.
4. the telescopic device as claimed in claim 2 with arcuate resilient connection, it is characterised in that：The elastic connection plate tool
Have multiple, and each elastic connection plate is set in the same direction successively.
5. the telescopic device as described in claim 1 with arcuate resilient connection, it is characterised in that：In the elastic connection plate
There are two slide plates for sandwiched between the adhesive tape, and level is welded on two side bars two slide plates respectively, two cunnings
End of the plate far from the corresponding side bar is superimposed with each other.
6. the telescopic device as described in claim 1 with arcuate resilient connection, it is characterised in that：Two side bars it is opposite
L-type plate is also both provided on face, the U-type groove of opening upwards is formed between each L-type plate and corresponding side bar, the adhesive tape
It is clamped in respectively in two U-type grooves after two end bendings.
7. the telescopic device as claimed in claim 6 with arcuate resilient connection, it is characterised in that：The top plate is located at described
The surface of U-type groove, the end sections of the adhesive tape are posted by the lower surface of the corresponding top plate.
8. the telescopic device as claimed in claim 7 with arcuate resilient connection, it is characterised in that：In each of the adhesive tape
Reinforcing bar lock is also arranged between end and the corresponding top plate.
9. the telescopic device as claimed in claim 7 with arcuate resilient connection, it is characterised in that：The adhesive tape is in corresponding two
Indentation, there between a top plate folds the multiple bending structure of undulate, and the vertex of the adhesive tape is less than two top plates
Upper surface.
10. the telescopic device as described in claim 1 with arcuate resilient connection, it is characterised in that：In each side bar
Bottom also have and be horizontally placed on bottom plate on the expansion joint respective side concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436383.6A CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610436383.6A CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
Publications (2)
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| CN105887672A CN105887672A (en) | 2016-08-24 |
| CN105887672B true CN105887672B (en) | 2018-06-26 |
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| CN201610436383.6A Active CN105887672B (en) | 2016-06-17 | 2016-06-17 | Telescopic device with arcuate resilient connection |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320169B (en) * | 2016-08-25 | 2018-10-09 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN107299590A (en) * | 2017-07-07 | 2017-10-27 | 中铁第四勘察设计院集团有限公司 | Double-joint shallow shaped steel formula bridge extension joint |
| CN110184907B (en) * | 2019-06-27 | 2021-07-13 | 李永君 | Steel-concrete combined bridge expansion device |
| CN110725197A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Beam end or bridge head concrete structure with embedded part embedded specially for expansion joint and its application |
| CN110725198A (en) * | 2019-10-21 | 2020-01-24 | 衡水骏泰路桥工程有限公司 | Connecting mechanism of telescopic device |
| CN112699450B (en) * | 2021-01-13 | 2023-04-18 | 哈尔滨工业大学（深圳） | Method, device and equipment for screening key components of space steel structure |
| CN113718641A (en) * | 2021-08-20 | 2021-11-30 | 浙江数智交院科技股份有限公司 | Construction and maintenance method for expansion joint of perforated plate connecting piece |
| CN113882214A (en) * | 2021-09-17 | 2022-01-04 | 中冶南方城市建设工程技术有限公司 | Wave form mistake proofing platform anti-aging is telescoping device for continuous reinforced concrete pavement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85205326U (en) * | 1985-11-20 | 1986-11-26 | 李玉风 | Rubber expansion device for joints of bridges and highways |
| CN2293588Y (en) * | 1996-04-11 | 1998-10-07 | 张玉恒 | Expanding apparatus for expansion joint of bridge deck |
| JP3671165B2 (en) * | 2001-12-21 | 2005-07-13 | 利弘 中川 | Underground telescopic device for elevated road and its construction method |
| JP2010019016A (en) * | 2008-07-11 | 2010-01-28 | Nitta Ind Corp | Water cutoff member for expansion gap |
| CN105040580A (en) * | 2015-06-30 | 2015-11-11 | 中国一冶集团有限公司 | Cross seam sealing steel cover plate comb tooth telescopic device for bridge and implementation method of cross seam sealing steel cover plate comb tooth telescopic device |
| CN205088568U (en) * | 2015-11-12 | 2016-03-16 | 衡水海龙橡胶有限公司 | Automatic sand removal type rubber band iron road bridge roof beam expansion joint of quick replacement |
| CN205775824U (en) * | 2016-06-17 | 2016-12-07 | 中铁第四勘察设计院集团有限公司 | There is the retractor device that arcuate resilient connects |
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2016
- 2016-06-17 CN CN201610436383.6A patent/CN105887672B/en active Active
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