CN105908623B - Retractor device with lower support platform - Google Patents
Retractor device with lower support platform Download PDFInfo
- Publication number
- CN105908623B CN105908623B CN201610431775.3A CN201610431775A CN105908623B CN 105908623 B CN105908623 B CN 105908623B CN 201610431775 A CN201610431775 A CN 201610431775A CN 105908623 B CN105908623 B CN 105908623B
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- CN
- China
- Prior art keywords
- adhesive tape
- waterproof adhesive
- side bar
- plate
- retractor device
- Prior art date
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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
- E01D19/065—Joints having sliding plates
Abstract
The present invention relates to building retractor device, a kind of retractor device with lower support platform is provided, including two side bars positioned at expansion joint both sides, two side bars are oppositely arranged, also include the waterproof adhesive tape being located between two side bars, it is provided with immediately below the waterproof adhesive tape and two one-to-one two slide plates of side bar, each slide plate is horizontal-extending to another side bar by the corresponding side bar, and end of two slide plates away from the corresponding side bar is superimposed with each other.In the retractor device of the present invention, two slide plate in the vertical directions provide vertical support for waterproof adhesive tape, after rubble can be avoided to enter clearance of expansion rail, rolled broken stone when wheel passes through, rubble extrudes waterproof adhesive tape again, causes waterproof adhesive tape to be come off from side bar, and vertical reaction force can also be produced by slide plate, so that after wheel passes through, rubble is taken out of by wheel.
Description
Technical field
The present invention relates to bridge and other building retractor devices, more particularly to a kind of flexible dress with lower support platform
Put.
Background technology
Retractor 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》And traffic industry standard (GBJ124-1988)《Highway engineering noun structure term》(JTJ 002-
87) definition to bridge extension joint is：To make vehicle smoothly pass bridge floor and meeting the needs of bridge deck structure deformation, in bridge floor
The general name of the device set at variator.
At present, conventional 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 retractor device on current highway bridge, accounts for whole bridges
The 80% of beam retractor device dosage.Single seam bridge extension joint uses the shaped steel of domestic hot-roll forming as main member, build-in
Waterproof sealing waterproof adhesive tape is extrusome, and is equipped with anchor system.
By mounting groove wire feeding, conventional single seam type steel expansion device mainly has following several：
1st, be rigidly connected (Concrete Filled) single seam type steel expansion device
Single seam type steel expansion device that is rigidly connected 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 single seam type steel expansion device anchorage zone due to the reasons such as structure, construction arrowhead deficiency when, such as make
With being rigidly connected, because fill concrete is excessively weak, tend not to reach expected anchoring strength, it is broken that early stage easily occurs
It is bad, then preferably retractor device is anchored using the mode of flexible connection in this case, it is common to have BEJ resin adhesive type types
Steel retractor 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, it is installed groove depth in 25~30cm, is embedded in girder, the latter uses more
Single seam of the elasticity anchoring such as peg, its fitting depth are embedded in during bridge mats formation in 15cm~16cm.
Single seam type steel expansion device use is most wide, and its force modes is 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, coming off or rupturing, sanitary fill is excessive in fluid sealant, influences Telescopic.
And cause to seal the leak of rubber waterproof size bar and be the main reason for destruction：Seal the shape and central sill of rubber waterproof size bar
Mismatched with the degree of lip-rounding of side bar steel；Because the impurity such as the stone on road surface, silt enter and are deposited on sealing rubber waterproof size bar seam
In gap, rigid large particulate matter is difficult to be extruded, and is pushed through wheel, and because rubber waterproof size bar is without support, and waterproof adhesive tape is thick
Spend limited, therefore, under extruding of the impurity such as stone, silt by wheel, rubber waterproof size bar is easily punctured, or extruding force mistake
Greatly, so that waterproof adhesive tape both ends bayonet socket is easily extruded and shaken off, so as to cause to be leaked under rainwater, dust, debris.
The content of the invention
It is an object of the invention to provide a kind of retractor device with lower support platform, it is intended to for solving existing stretch
The rubber waterproof size bar of compression apparatus easily accumulates stone silt etc., in turn results in the problem of waterproof adhesive tape extruding comes off.
What the present invention was realized in：
The embodiment of the present invention provides a kind of retractor device with lower support platform, including two positioned at expansion joint both sides
Side bar, two side bars are oppositely arranged, in addition to are located between two side bars and across the anti-of the expansion joint
Glue bar, be provided with immediately below the waterproof adhesive tape with two one-to-one two slide plates of side bar, it is each described
Slide plate is horizontal-extending to another side bar by the corresponding side bar, and two slide plates are away from the corresponding side bar
End is superimposed with each other.
Further, L-type plate, each L-type plate and corresponding side bar are also provided with the opposite face of two side bars
The U-type groove chamber to form opening upwards is enclosed, two U-type grooves are clamped in respectively after two ends bending of the waterproof adhesive tape
Intracavitary.
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 chamber, the end sections of the waterproof adhesive tape are posted by the lower surface of the corresponding top plate.
Further, every one end of the waterproof adhesive tape is latched by reinforcing bar is fixed on the U by waterproof adhesive tape is spacing
Type groove intracavitary.
Specifically, the waterproof adhesive tape has the multiple bending structure of waveform, and the waterproof adhesive tape is partly installed in institute
State below top plate.
Further, in addition to can horizontal extension at least one elastic connection plate, each elastic connection plate is along parallel
Length direction in the expansion joint is arranged at intervals successively, and each elastic connection plate is across the expansion joint and two institutes of support
State slide plate.
Further, the elastic connection plate has multiple, and the elastic connection plate has multiple, the two neighboring bullet
Property connection plate level it is in the same direction or horizontal oppositely arranged, and bear against on two side bars.
The invention has the advantages that：
The retractor device of the present invention, waterproof adhesive tape are then individually fixed in two be oppositely arranged across expansion joint, its both ends
On individual side bar, by two slide plate vertical support waterproof adhesive tapes, it is superimposed with each other between two slide plates, and only connects with a wherein side bar
Connect, slide plate foldable is slided, so as to adapt to expansion joint dilatation.Enter what two side bars enclosed in large particulate matters such as rubbles
Gap, wheel rolled broken stone, so that waterproof adhesive tape is extruded by rubble, because supporting platform can provide for two overlapping slide plates
Bearing reaction, rubble etc. can be ejected or take out of after wheel rolling, reduce laying dust, product stone, while can avoid waterproof adhesive tape
The problem of because of larger grinding pressure effect by being come off on side bar.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the retractor device provided in an embodiment of the present invention with lower support platform is installed in beam body
Figure；
Fig. 2 is the structural representation of the retractor device with lower support platform of Fig. 1 bridge；
Fig. 3 is the vertical view when elastic connection plate of the retractor device with lower support platform of Fig. 1 bridge is arranged in the same direction
Figure；
Fig. 4 is that the elastic connection plate of the retractor device with lower support platform of Fig. 1 bridge is adjacent backwards to when arranging
Top view.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme 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, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained all other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Referring to Fig. 1, the embodiment of the present invention provides a kind of retractor device 1 with lower support platform, including two side bars 11,
Side bar 11 is built in the concrete of the both sides of expansion joint 2 vertically, to be oppositely arranged between two side bars 11, between two side bars 11
Waterproof adhesive tape 12 is folded with, for waterproof adhesive tape 12 across expansion joint 2, each side bar 11 is respectively provided with the slide plate extended to another side bar 11
14, it is connected between the two by the way of welding, two slide plates 14 have part in the end away from corresponding side bar 11
Structure superposition, and two slide plates 14 are respectively positioned on the underface of waterproof adhesive tape 12, certain each slide plate 14 only with a wherein side bar 11
Connection.Retractor device 1 provided by the invention can be applied in bridge expanssion joint 2, between specially adjacent beam body 3 or abutment
Expansion joint 2 is formed, steel fiber reinforced concrete 31 has been poured at expansion joint 2 in beam body 3 or abutment, and is then spread in other places
Provided with asphalt concrete pavement, side bar 11 is installed on steel fiber reinforced concrete 31, and its side is steel fiber reinforced concrete 31, separately
Side then expansion joint 2 and to be made up towards another side bar 11, waterproof adhesive tape 12 of water proof rubber, its both ends respectively with two side bars
11 surfaces being oppositely arranged are fitted and connected, because waterproof adhesive tape 12 is located at the top at expansion joint 2, so as to form to expansion joint 2
Closure, rainwater, dust or other debris be difficult to, by leaking under expansion joint 2, be superimposed with each other between two slide plates 14, is formed
Overlap joint, when deform to this at expansion joint 2, relative slip can be formed between upper two slide plates 14 in the horizontal direction, i.e., both no
The dilatation at expansion joint 2 can be influenceed, on the other hand, two slide plates 14 are located at the lower section of waterproof adhesive tape 12, and waterproof adhesive tape 12 can
To be contacted with both, or it is separated by, but spacing is very small, waterproof adhesive tape 12 can be formed by two slide plates 14 vertical
Supporting role.When waterproof adhesive tape 12 is extruded by rubble, two slide plates 14 can be that waterproof adhesive tape 12 provides reaction force, can be with
So that rubble after the rolling of wheel by being extruded between two side bars 11, and then reduce the generation of card stone phenomenon, while can keep away
Exempt from waterproof adhesive tape 12 because of larger grinding pressure effect and the problem of by being come off on side bar 11.To reduce side bar 11 in vehicular impact
Concentrated force, reduce destruction to installing zone concrete when side bar 11 impacts, water also each had at the bottom of each side bar 11
The flat bottom plate 13 set, the crab-bolt of bottom plate 13 are consolidated on the steel fiber reinforced concrete 31 of respective side.Can between bottom plate 13 and side bar 11
With welding, or be integrally formed and be made, can increase the company between side bar 11 and steel fiber reinforced concrete 31 by bottom plate 13
Junction is accumulated, so as to reduce the local failure caused by vehicular impact of installing zone concrete.
Referring to Fig. 2, further optimization side bar 11 structure, L-type plate is also provided with the opposite face between two side bars 11
151, the U-type groove chamber 15 of formation opening upwards between each L-type plate 151 and corresponding side bar 11, two of above-mentioned waterproof adhesive tape 12
End by being clamped in two U-type groove chambers 15 respectively after bending.For U-type groove chamber 15 its with respect to side bar 11 side height compared with
Small, the bending that the both ends of waterproof adhesive tape 12 only need to carry out somewhat can be stretched into corresponding U-type groove chamber 15, while uses opening
Upward U-type groove chamber 15, can strengthen the sealing property of the attachment structure between waterproof adhesive tape 12 and side bar 11, i.e. rainwater is difficult to
By being penetrated between waterproof adhesive tape 12 and side bar 11 in expansion joint 2.
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 positioned at the surface of corresponding U-type groove chamber 15, when the end of waterproof adhesive tape 12 is stretched into U-type groove chamber 15 be in clamping connection when, prevent
There is part-structure and the lower surface of the top plate 111 of respective side to be bonded for the end of glue bar 12, should have between certain two top plate 111
There is certain distance, to provide necessary expansion joint deformation displacement.In the present embodiment, top plate 111 is located at corresponding U-type groove chamber
15 surface, rainwater can be avoided to be directly entered in U-type groove chamber 15 this, and reduce two side bars to a certain extent
The distance between 11, the possibility that stone and silt enter between two side bars 11 can be reduced, and on the other hand, marine glue
Bar 12 also there is part-structure to be bonded with the lower surface of top plate 111, so as to avoid rainwater through waterproof adhesive tape 12 and top plate 111
Between enter expansion joint 2 in, further improve retractor device 1 water resistance.
Referring again to Fig. 1 and Fig. 2, further, between the every one end and corresponding top plate 111 of waterproof adhesive tape 12
Also it is arranged with reinforcing bar lock 121.There is part-structure to be bonded with top plate 111 for the end of waterproof adhesive tape 12, specially waterproof adhesive tape
12 are bonded with part-structure of the top plate 111 close to side bar 11, and in end of the top plate 111 away from side bar 11 and waterproof adhesive tape 12
Between do not contact, i.e., along close to the direction of side bar 11, the tapered jaws of bore is formed between top plate 111 and waterproof adhesive tape 12, on
The reinforcing bar lock 121 stated is clamped in the jaws, and it can play a part of clamping waterproof adhesive tape 12 so that waterproof adhesive tape 12
End will not be easily by deviating from U-type groove chamber 15.Usually, each top plate 111 is respectively positioned on the top of corresponding side bar 11, thereon
Surface is plane, in it is generally aligned in the same plane with the asphalt concrete pavement on beam body 3 or abutment, can be provided continuously to drive a vehicle
Traffic loading end.Lower surface for top plate 111 is then that it can be square along the acclivitous inclined-plane in direction away from side bar 11
Just by between the stone between waterproof adhesive tape 12 and top plate 111 or silt two side bars 11 of extrusion.For said structure shape
Formula, there is certain distance between two top plates 111, i.e., form gap between the two, by waterproof adhesive tape 12 to should breach position
The place of putting repeatedly is bent, and the part undulate structure after folding, under less than two, the summit top plates 111 of waterproof adhesive tape 12
Edge.The multiple bending structure profile of waveform can cause waterproof adhesive tape 12 to have preferably elasticity along across the direction at expansion joint,
Waterproof adhesive tape 12 can be caused compared to the main telescopic variation of traditional waterproof adhesive tape by vertically switching to transverse direction, this horizontal stretches
Contracting change does not interfere with its connection stability, i.e., waterproof adhesive tape 12 will not easily by being come off between two side bars 11, while by
The multiple bending structure profile of the waveform of waterproof adhesive tape 12 after folding, it has the projection of horizontal plane, when stone or silt
After being accumulated on waterproof adhesive tape 12, when retractor device shrinks, tied by reaction force caused by two slide plates 14 and in projection
Stone thereon or silt can be extruded by the gap between both sides back plate 111 in the presence of structure, be taken out of with wheel rolling,
So as to reach the purpose of slagging-off.
Referring to Fig. 1-Fig. 4, further, retractor device 1 also includes at least one elastic connection plate 16, each elastic connection
Plate 16 can stretch in the horizontal direction, and be arranged at intervals successively along each elastic connection plate 16 of length direction parallel to expansion joint 2,
Each elastic connection plate 16 is across expansion joint 2 and support above-mentioned two slide plate 14.In the present embodiment, in the lower section of two slide plates 14
At least one elastic connection plate 16 is provided with, two square thereon slide plates 14 can be aligned by elastic connection plate 16 and prevented
Glue bar 12 plays supporting role, two ends of each elastic connection plate 16 respectively positioned at the both sides at expansion joint 2 and respectively with
Crab-bolt consolidates between corresponding side bar 11, and uses crab-bolt consolidation to be advantageous to the stress of elastic connection plate 16, prevents that fatigue is broken
It is bad.Because elastic connection plate 16 can stretch in the horizontal direction, the deformation requirements at expansion joint 2, and its connection two disclosure satisfy that
Individual side bar 11, the effect of " elastic connection hinge " can be functioned similarly to, make the cooperative bearing of the right and left beam 11, increase retractor device
1 structural integrity.
Referring to Fig. 1, Fig. 3 and Fig. 4, the structure of elastic connection plate 16 is refined, it forms what is be oppositely arranged by flat plate buckling
Two shrapnel parts 161, two shell fragments enclose the V-type to be formed horizontally toward, and bear against on two side bars 11.Elastic connection
Plate 16 is V-structure, and the opening of V-structure is set vertically towards the length bearing of trend at expansion joint 2, two shrapnel parts 161
Put, partly fit in respectively on corresponding side bar 11, and carry out crab-bolt consolidation between corresponding side bar 11 respectively, it passes through two
Shrapnel part 161 is along the elasticity across the direction of expansion joint 2 to adapt to the deformation requirements at expansion joint 2.Usually, each retractor device 1
Including multiple elastic connection plates 16, adjacent two elastic connection plates 16 can be horizontal in the same direction or horizontal relatively oppositely arranged,
And bear against on two side bars 11, elastic connection plate 16 and side bar 11 can anchor bolts or welding, and each elasticity is even
The arranged for interval of fishplate bar 16.
Referring again to Fig. 1 and Fig. 2, further, also installed respectively in the steel fiber reinforced concrete 31 of the both sides of expansion joint 2
There is 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 to corresponding anchor tie plate 17
On.Anchor tie plate 17 is embedded in the steel fiber reinforced concrete 31 of respective side, and corresponding side bar 11 can be by way of welding
Formed and fixed, and anchor tie plate 17 also there is part-structure to be located on the bottom plate 13 of respective side, it is also welding between bottom plate 13,
So as to strengthen the stability of the structure of side bar 11.Optimize above-described embodiment, in the steel fiber reinforced concrete 31 of the both sides of expansion joint 2
Also be embedded with gantry type reinforcing bar 18 respectively, lower section from the gantry type reinforcing bar 18 to the anchor tie plate 17 of respective side extend, and its with it is right
Answer and weld between the anchor tie plate 17 of side.Specially gantry type reinforcing bar 18 is quadra structure, and its underlying structure is broken
Open, the part of gantry type reinforcing bar 18 also has part in beam body 3 or abutment, to this in steel fiber reinforced concrete 31
, should be pre-buried in preparing beam body 3 or be carried out part during abutment when installing gantry type reinforcing bar 18, so that after installing
Gantry type reinforcing bar 18 has stronger stability, and two-sided welding, anchor tie plate are carried out between anchor tie plate 17 and gantry type reinforcing bar 18
17 and the stability of side bar 11 can be further improved.Usually, also it is embedded with ring in steel fiber reinforced concrete 31
Shape reinforcing bar 19, steel hoop 19 is horizontal-extending by the outside of the anchor tie plate 17 of respective side, i.e., gantry type reinforcing bar 18 is with respect to anchor tie plate
17 is vertically extending, and steel hoop 19 is then horizontal-extending relative to anchor tie plate 17, by steel hoop 19 and the door frame of respective side
Formula reinforcing bar 18 welds, so as to which the steel hoop 19, gantry type reinforcing bar 18 and anchor tie plate 17 of the same side are connected as into 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
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (7)
1. a kind of retractor device with lower support platform, including two side bars positioned at expansion joint both sides, two side bars
It is oppositely arranged, it is characterised in that：Each side bar also has a top plate to another side bar extension, two top plates it
Between form gap, to provide expansion joint deformation displacement, and traffic loading end can be provided for driving；Also include being located in described in two
Between side bar and across the waterproof adhesive tape at the expansion joint, it is provided with immediately below the waterproof adhesive tape and two side bars
One-to-one two slide plates, each slide plate is horizontal-extending to another side bar by the corresponding side bar, and two
End of the individual slide plate away from the corresponding side bar is superimposed with each other；The waterproof adhesive tape is located at the top plate and the slide plate
Between.
2. there is the retractor device of lower support platform as claimed in claim 1, it is characterised in that：The opposite face of two side bars
On be also provided with L-type plate, each L-type plate encloses the U-type groove chamber to form opening upwards, the marine glue with corresponding side bar
Two U-type groove intracavitary are clamped in respectively after two ends bending of bar.
3. there is the retractor device of lower support platform as claimed in claim 2, it is characterised in that：The top plate is located at the U
The surface of type groove chamber, the end sections of the waterproof adhesive tape are posted by the lower surface of the corresponding top plate.
4. there is the retractor device of lower support platform as claimed in claim 3, it is characterised in that：The waterproof adhesive tape it is each
End is latched by reinforcing bar is fixed on the U-type groove intracavitary by waterproof adhesive tape is spacing.
5. there is the retractor device of lower support platform as claimed in claim 4, it is characterised in that：The waterproof adhesive tape has ripple
The multiple bending structure of shape wave, and the waterproof adhesive tape is partly installed in below the top plate.
6. there is the retractor device of lower support platform as claimed in claim 1, it is characterised in that：Also including can horizontal extension
At least one elastic connection plate, each elastic connection plate are arranged at intervals successively along the length direction parallel to the expansion joint,
Each elastic connection plate is across the expansion joint and two slide plates of support.
7. there is the retractor device of lower support platform as claimed in claim 6, it is characterised in that：The elastic connection plate has
Multiple, the two neighboring elastic connection plate level is in the same direction or horizontal oppositely arranged, and bears against on two side bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431775.3A CN105908623B (en) | 2016-06-17 | 2016-06-17 | Retractor device with lower support platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610431775.3A CN105908623B (en) | 2016-06-17 | 2016-06-17 | Retractor device with lower support platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105908623A CN105908623A (en) | 2016-08-31 |
| CN105908623B true CN105908623B (en) | 2018-01-05 |
Family
ID=56751240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610431775.3A Active CN105908623B (en) | 2016-06-17 | 2016-06-17 | Retractor device with lower support platform |
Country Status (1)
| Country | Link |
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| CN (1) | CN105908623B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401115A (en) * | 2017-08-16 | 2017-11-28 | 中铁第四勘察设计院集团有限公司 | Double articulated body systems bridge extension joint |
| CN109137726A (en) * | 2018-09-28 | 2019-01-04 | 苏州同尚工程设计咨询有限公司 | A kind of expanded joint structure and its implementation method suitable for bridge |
| CN109736189B (en) * | 2019-02-13 | 2024-03-15 | 安徽尚德科技有限公司 | Expansion joint device with medium expansion amount for railway bridge |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151187A (en) * | 1965-07-08 | 1969-05-07 | Schulte Stemmark Kom Ges Fur I | Expansion Joints for Floors |
| GB1373139A (en) * | 1971-03-27 | 1974-11-06 | Hammerschmidt K | Sealing assembly |
| US4271650A (en) * | 1978-11-22 | 1981-06-09 | Construction Specialties, Inc. | Expansion joint cover |
| CN85205326U (en) * | 1985-11-20 | 1986-11-26 | 李玉风 | Rubber expansion device for joints of bridges and highways |
| JP2003184017A (en) * | 2001-12-21 | 2003-07-03 | Toshihiro Nakagawa | Embedded-type expansion device for elevated road, and method for constructing the same |
| JP2010019016A (en) * | 2008-07-11 | 2010-01-28 | Nitta Ind Corp | Water cutoff member for expansion gap |
| CN204849577U (en) * | 2015-06-08 | 2015-12-09 | 高元琴 | Waterproof type bridge expansion joint device |
| CN205775825U (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 of lower support platform |
-
2016
- 2016-06-17 CN CN201610431775.3A patent/CN105908623B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1151187A (en) * | 1965-07-08 | 1969-05-07 | Schulte Stemmark Kom Ges Fur I | Expansion Joints for Floors |
| GB1373139A (en) * | 1971-03-27 | 1974-11-06 | Hammerschmidt K | Sealing assembly |
| US4271650A (en) * | 1978-11-22 | 1981-06-09 | Construction Specialties, Inc. | Expansion joint cover |
| CN85205326U (en) * | 1985-11-20 | 1986-11-26 | 李玉风 | Rubber expansion device for joints of bridges and highways |
| JP2003184017A (en) * | 2001-12-21 | 2003-07-03 | Toshihiro Nakagawa | Embedded-type expansion device for elevated road, and method for constructing the same |
| JP2010019016A (en) * | 2008-07-11 | 2010-01-28 | Nitta Ind Corp | Water cutoff member for expansion gap |
| CN204849577U (en) * | 2015-06-08 | 2015-12-09 | 高元琴 | Waterproof type bridge expansion joint device |
| CN205775825U (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 of lower support platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105908623A (en) | 2016-08-31 |
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