CN111676811A - Bridge expansion joint device - Google Patents
Bridge expansion joint device Download PDFInfo
- Publication number
- CN111676811A CN111676811A CN202010451957.3A CN202010451957A CN111676811A CN 111676811 A CN111676811 A CN 111676811A CN 202010451957 A CN202010451957 A CN 202010451957A CN 111676811 A CN111676811 A CN 111676811A
- Authority
- CN
- China
- Prior art keywords
- joint
- comb plate
- bridge
- expansion joint
- supporting beam
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
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
- E01D19/065—Joints having sliding plates
-
- 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
- E01D19/062—Joints having intermediate beams
Abstract
The invention relates to a bridge expansion joint device, which comprises a fixed comb plate and a movable comb plate, wherein a telescopic supporting device arranged between bridge expansion joints is connected below the fixed comb plate and the movable comb plate, the telescopic supporting device comprises a plurality of telescopic connecting beams and a plurality of cross beams, the plurality of telescopic connecting beams and the plurality of cross beams form a supporting device at the upper part of a gap of the expansion joint, and the supporting device supports the position of the movable comb plate above the gap to avoid the deformation of the movable comb plate.
Description
Technical Field
The invention relates to a bridge expansion joint, in particular to a bridge expansion joint device.
Background
The expansion joints of the bridge are arranged between two beam ends, between the beam ends and the abutment or at the hinged position of the bridge, so that the expansion joints can freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, are firm and reliable, and are smooth and free from sudden jump and noise when a vehicle runs; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient.
The application number is CN 200410066942.6's patent document discloses an anti lateral shifting's comb type bridge expansion joint device, including setting up fixed comb plate and the activity comb plate on the bridge expansion joint both sides roof beam body respectively, wherein on the bridge expansion joint was arranged in to the activity comb plate, fixed comb plate and activity comb plate respectively were provided with broach and intercrossing interval setting at relative tip separately, the broach of fixed comb plate comprises with the integrative tooth root of body and activity broach to the activity broach is connected with the tooth root that corresponds with the connected mode that can lateral shifting, and simultaneously, runs through the middle part at the broach of activity and is provided with a bolt as the pivot.
However, in this structure, because of its own problems, when dealing with large expansion joints, the movable comb plate in this structure is easily crushed and deformed by vehicles, and cannot be applied to large bridge expansion joints of 160mm or more.
Disclosure of Invention
The invention provides a bridge expansion joint device, aiming at solving the problem of transverse offset or corner deformation of large bridge expansion joints with the length of more than 160mm, and providing a large bridge expansion joint device which is complete in structure and suitable for large expansion joints.
In order to achieve the purpose, the technical scheme of the invention is as follows:
a kind of bridge expansion joint apparatus, including fixed comb plate and activity comb plate, wherein the activity comb plate is placed on bridge expansion joint, fixed comb plate and activity comb plate have comb teeth and intercross and set up separately in their respective opposite end, the bottom of said fixed comb plate and activity comb plate is connected to the top of the flexible supporting device, both ends of the flexible supporting device stretch into the bridge at both ends of bridge expansion joint separately;
the telescopic supporting device comprises a plurality of telescopic connecting beams and a plurality of cross beams, the plurality of telescopic connecting beams are arranged at intervals along the width direction of the bridge, each telescopic connecting beam comprises a fixing part, a supporting beam and a containing part, the fixing part is a cuboid with a concave spherical surface counter bore at the inner side, a plurality of fixing ribs are arranged on the outer side surface of the fixing part at intervals, the two ends of each fixing rib are connected to the outer side surface of the fixing part in the same direction to form a notch annular structure with an outer side closed and an inner side opened, the inner side opening of each fixing rib is fixed on the outer side surface of the fixing part, each supporting beam is a cylinder with a convex spherical surface at one end, the convex spherical surface of each supporting beam extends into the concave spherical surface counter bore of the fixing part to match with the concave spherical surface counter bore, and the other end extends into the containing part, each containing part comprises a sliding joint and a containing cavity, each, The outer joint is sleeved outside the inner joint, the containing cavity is a conical cylindrical body with a small opening end and a large closed end, the opening end of the containing cavity is connected to one side surface of the outer joint, which is back to the fixed part, and is sleeved outside the other end of the supporting beam, the bottom surface of the outer joint and the bottom of the closed end of the containing cavity are jointly connected with a bottom plate, and fixing columns vertical to the bottom plate and downward are arrayed on the bottom surface of the bottom plate;
the crossbeam has the light rail of the first connecting groove of "c" shape that the opening outwards for both sides along length direction, is provided with a plurality of circular shape go-between along the length direction interval on the crossbeam bottom surface, and the crossbeam is arranged in a plurality of supporting beam tops and is cross state about being with a plurality of supporting beams, every go-between corresponds a supporting beam, and go-between sliding connection is in a supporting beam periphery, and the crossbeam has a plurality of that are parallel to each other, and the water-stop strip between two adjacent crossbeams is arranged in to the first connecting groove in two adjacent crossbeams is connected.
Furthermore, fixed comb plate and storage portion top fixed connection, the activity comb plate is articulated with the fixed part top.
Furthermore, the cross section of the comb teeth of the movable comb plate is isosceles trapezoid, the top end of the comb teeth is provided with an inclined plane, the fixed comb plate and the movable comb plate are hinged with the root parts of the respective comb teeth, and the root parts of the comb teeth are arc-shaped.
Furthermore, the surfaces of the fixed part and the outer joint opposite to each other are provided with c-shaped second connecting grooves opposite to the openings of the adjacent first connecting grooves, and water stop belts are connected between the second connecting grooves and the adjacent first connecting grooves.
Furthermore, springs sleeved on the same supporting beam are connected among the connecting rings of the plurality of cross beams on the same supporting beam, between the fixing part and the adjacent connecting ring, and between the outer joint and the adjacent connecting ring.
Further, the spring is in a natural length state or a compressed state between two adjacent cross beams.
Further, the length of the cylindrical part of the support beam is larger than the maximum distance of the bridge expansion joint.
Further, the depth of the concave spherical counter bore of the fixing part is more than three-quarters of the diameter of the convex spherical surface of the supporting beam.
Further, the center of the spherical through hole of the outer joint corresponds to the center of the length height of the outer joint.
Furthermore, one end of the water stop is provided with a drainage tube, one end of the drainage tube penetrates through the water stop and is communicated with the upper surface of the water stop, and the other end of the drainage tube extends into a drainage tube of the bridge.
Through the technical scheme, the invention has the beneficial effects that:
1. the lower parts of the fixed comb plate and the movable comb plate are connected with a telescopic supporting device arranged between bridge expansion joints, the telescopic supporting device comprises a plurality of telescopic connecting beams and a plurality of cross beams, the plurality of telescopic connecting beams and the plurality of cross beams form a supporting device at the upper part of a gap of the expansion joint, and the position of the movable comb plate above the gap is supported to avoid the deformation of the movable comb plate.
2. The fixing part is a cuboid supporting beam with a counter bore of a concave spherical surface, the convex spherical surface of the supporting beam is matched with the concave spherical surface of the fixing part, the other end of the supporting beam extends into the accommodating part, the accommodating part comprises a sliding joint and an accommodating cavity, the fixing part, the supporting beam and the inner joint and the outer joint of the sliding joint are connected in a joint shape, and the supporting beam stretches and slides in the inner joint, so that the supporting beam not only plays a role in stretching and supporting a cross beam, but also can be used for deflection deformation in the transverse direction, the vertical direction and the angle direction of a bridge.
3. The connecting part of the expansion joint of the large-scale bridge is only provided with a plurality of expansion connecting beams which are arranged at intervals, the whole expansion joint does not need to be processed, the requirement on the rule degree of the expansion joint is low, and the expansion joint is suitable for installation of the expansion joint of the large-scale bridge.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion B of FIG. 1;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of the telescoping support arrangement of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
FIG. 6 is a front view of the telescoping support arrangement of the present invention;
FIG. 7 is a schematic structural view of the telescopic coupling beam of the present invention;
FIG. 8 is a cross-sectional front view of the telescoping coupling beam of the present invention;
fig. 9 is a schematic view of the connection of the movable comb plate and the comb teeth of the present invention.
The reference numbers in the drawings are as follows: 1 is a fixed comb plate, 2 is a movable comb plate, 3 is comb teeth, 4 is a telescopic connecting beam, 5 is a cross beam, 41 is a fixed part, 42 is a supporting beam, 43 is a storage part, 51 is a first connecting groove, 52 is a connecting ring, 53 is a spring, 54 is a water stopping belt, 411 is a fixed rib, 431 is a sliding joint, 431a inner joint, 431b outer joint, 432 is a storage cavity, 433 is a bottom plate, 434 is a fixed column, and 541 is a drainage tube.
Detailed Description
The invention is further described with reference to the following figures and detailed description:
as shown in fig. 1 to 9, a bridge expansion joint device comprises a fixed comb plate 1 and a movable comb plate 2, wherein the movable comb plate 2 is disposed above a bridge expansion joint, the fixed comb plate 1 and the movable comb plate 2 are respectively provided with comb teeth 3 at respective opposite ends and are arranged in a cross and spaced manner, the bottoms of the fixed comb plate 1 and the movable comb plate 2 are connected to the top of a telescopic supporting device, and two ends of the telescopic supporting device respectively extend into bridges at two ends of the bridge expansion joint;
the telescopic supporting device comprises a plurality of telescopic connecting beams 4 and a plurality of cross beams 5, the plurality of telescopic connecting beams 4 are arranged at intervals along the width direction of the bridge, each telescopic connecting beam 4 comprises a fixing part 41, a supporting beam 42 and a containing part 43, the fixing part 41 is a cuboid with a concave spherical surface counter bore on the inner side, a plurality of fixing ribs 411 are arranged on the outer side surface of the fixing part 41 at intervals, the two ends of each fixing rib 411 are connected on the outer side surface of the fixing part 41 in an up-and-down corresponding same direction to form a notch annular structure with an outer side closed and an inner side opened, the inner side opening of each fixing rib 411 is fixed on the outer side surface of the fixing part 41, each supporting beam 42 is a cylinder with a convex spherical surface at one end, the convex spherical surface of each supporting beam 42 extends into the concave spherical surface counter bore of the fixing part 41 to match with the concave spherical surface counter, the sliding joint 431 is composed of an inner joint 431a and an outer joint 431b, the inner joint 431a is a cylinder with a spherical outer side wall protruding outwards and a through hole in the center, the inner joint 431a is sleeved on the outer peripheral wall of the supporting beam 42 in a sliding state, the outer joint 431b is a cuboid with a spherical through hole in the center, the spherical through hole is matched with the outer side wall of the inner joint 431a, the outer joint 431b is sleeved outside the inner joint 431a, the accommodating cavity 432 is a conical barrel-shaped body with a small opening end and a large closing end, the opening end of the accommodating cavity 432 is connected to one side surface of the outer joint 431b facing away from the fixing part 41 and sleeved outside the other end of the supporting beam 42, the bottom surface of the outer joint 431b and the bottom of the closing end of the accommodating cavity 432 are connected with a bottom plate 433 together, fixing columns 434 vertical to the bottom plate 433 downwards are arrayed on, The inner joint 431a and the outer joint 431b of the sliding joint 431 are connected in a joint shape, and the support beam 42 stretches and slides in the inner joint 431a, so that the support beam 42 not only plays a role of stretching and supporting the cross beam 5, but also can be deflected and deformed in the transverse direction, the vertical direction and the angle direction of the bridge;
The fixed comb plate 1 is fixedly connected with the top of the accommodating part 43, the movable comb plate 2 is hinged with the top of the fixed part 41, and the movable comb plate 2 can be lifted up to conveniently clean the water stop belt 54.
3 cross sections of broach of activity comb plate 2 are isosceles trapezoid, and there is the inclined plane on 3 tops of broach, fixed comb plate 1 and activity comb plate 2 all articulate with 3 roots of respective broach, and 3 roots of broach are the arcuation, and fixed comb plate 1 can not pile up because of debris and block with the broach 3 of activity comb plate 2, ensures the long-term available state of broach 3, 3 roots of broach are articulated with fixed comb plate 1 or activity comb plate 2, and articulated broach 3 can deal with the deflection at bridge expansion joint both ends.
The surfaces of the fixed part 41 opposite to the outer joint 431b are provided with c-shaped second connecting grooves opposite to the openings of the adjacent first connecting grooves 51, and water stop belts 54 are connected between the second connecting grooves and the adjacent first connecting grooves 51.
The spring 53 is in a natural length state or a compressed state between two adjacent cross members 5.
The length of the cylindrical portion of the support beam 42 is greater than the maximum spacing of the bridge expansion joints.
The depth of the concave spherical counter bore of the fixing portion 41 is greater than three-quarters of the diameter of the convex spherical surface of the support beam 42.
The center of the spherical through hole of the outer joint 431b corresponds to the center of the length height of the outer joint 431 b.
One end of the water stop belt 54 is provided with a drainage tube 541, one end of the drainage tube 541 penetrates through the water stop belt 54 and is communicated with the upper surface of the water stop belt 54, and the other end of the drainage tube 541 extends into a drainage pipe of the bridge.
In this embodiment, except for the water stop 54 and the drainage tube 541, both are made of steel, wherein the fixing portion 41 and the outer joint 431b are of a split-type structure.
When in use, the cross beams 5 are installed on the supporting beams 42, the number of the cross beams 5 is determined according to the length of the expansion joint, after the springs 53 are welded, the connected telescopic supporting devices are installed at the upper part of the expansion joint, the expansion joint is filled and fixed by using the road bridge material, the water stop belts 54 are connected between the adjacent cross beams 5 and between the cross beams 5 and the fixed part 41 and between the outer joints 431b, and then the fixed comb plate 1 and the movable comb plate 2 are connected above the fixed part 41 and the accommodating part 43.
The fixed parts 41 and the containing parts 43 of the multiple telescopic connecting beams 4 are buried in the bridge at two ends of the expansion joint, and the fixed ribs 411 and the fixed columns 434 are fixed with the bridge at two ends of the expansion joint, so that the fixed comb plate above the fixed parts 41 and the movable comb plate 2 above the containing parts 431 are flush with the upper surface of the bridge.
Because the convex spherical surface of the supporting beam 42 is matched with the concave spherical surface of the fixing part 41, the convex spherical surface of the supporting beam 42 can be fixed in the fixing part 41, the cylindrical part can deflect in a certain range by taking the convex spherical surface as a spherical center, the cylindrical part of the supporting beam 42 extends into the inner joint 431a and can slide in the inner joint 431a in a stretching mode, the inner joint 431a and the outer joint 431b are connected in a joint mode, and the supporting beam 42 is allowed to deflect in a certain range by taking the center of the inner joint 431a as the spherical center, so that the direction of the supporting beam 42 can be changed along with the wind resistance, the gravity imbalance or the torsional deformation at two ends of the bridge expansion joint, the change of the bridge expansion joint can be rapidly adapted, and the supporting beam 5 ensures the smooth passing.
The articulated broach 3 can be attached to various bridge expansion joints and warp and change the contained angle of broach 3 and activity comb plate 2 or fixed comb plate 1, adapts to the deformation of bridge expansion joint.
The connecting part of the expansion joint of the invention and the bridge expansion joint is only provided with the fixing part 41 and the accommodating part 43 of the expansion coupling beam 4 which are arranged at intervals, the bridge end surface of the whole expansion joint does not need to be processed, the requirement on the rule degree of the expansion joint is low, and the expansion joint is suitable for the installation of large bridge expansion joints.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various modifications can be made to the technical solution of the present invention within the scope of disclosure without departing from the spirit of the present invention.
Claims (10)
1. A bridge expansion joint device comprises a fixed comb plate (1) and a movable comb plate (2), wherein the movable comb plate (2) is arranged above a bridge expansion joint, the fixed comb plate (1) and the movable comb plate (2) are respectively provided with comb teeth (3) at the respective opposite ends and are arranged in a cross and interval manner, and the bridge expansion joint device is characterized in that the bottoms of the fixed comb plate (1) and the movable comb plate (2) are connected to the top of a telescopic supporting device, and the two ends of the telescopic supporting device respectively extend into bridges at the two ends of the bridge expansion joint;
the telescopic supporting device comprises a plurality of telescopic connecting beams (4) and a plurality of cross beams (5), the plurality of telescopic connecting beams (4) are arranged at intervals along the width direction of the bridge, the telescopic connecting beams (4) comprise a fixing part (41), a supporting beam (42) and a containing part (43), the fixing part (41) is a cuboid with a concave spherical surface counter bore at the inner side, a plurality of fixing ribs (411) are arranged at intervals on the outer side surface of the fixing part (41), the two ends of the fixing ribs (411) are connected on the outer side surface of the fixing part (41) in an up-and-down corresponding same direction to form a notch ring structure with an outer side closed and an inner side opened, the inner side opening of the fixing rib (411) is fixed on the outer side surface of the fixing part (41), the supporting beam (42) is a cylinder with a convex spherical surface at one end, and the convex spherical surface of the supporting beam (42) extends into the, The other end of the accommodating part (43) extends into the accommodating part (43), the accommodating part (43) comprises a sliding joint (431) and an accommodating cavity (432), the sliding joint (431) consists of an inner joint (431 a) and an outer joint (431 b), the inner joint (431 a) is a cylinder with a spherical outward bulge on the outer side wall and a through hole in the center, the inner joint (431 a) is sleeved on the outer peripheral wall of the supporting beam (42) in a sliding state, the outer joint (431 b) is a cuboid with a spherical through hole in the center, the spherical through hole is matched with the outer side wall of the inner joint (431 a), the outer joint (431 b) is sleeved outside the inner joint (431 a), the accommodating cavity (432) is a conical barrel with a small opening end and a large closed end, the opening end of the accommodating cavity (432) is connected to one side surface of the outer joint (431 b) back to the fixing part (41) and sleeved outside the other end of the supporting beam (42, the bottom surface of the outer joint (431 b) and the bottom of the closed end of the containing cavity (432) are connected with a bottom plate (433), and fixing columns (434) vertical to the bottom plate (433) and downward are arrayed on the bottom surface of the bottom plate (433);
crossbeam (5) are both sides along length direction have the opening outwards the light rail of the first connecting groove (51) of "c" shape, are provided with a plurality of circular shape go-between (52) along length direction interval on crossbeam (5) bottom surface, and crossbeam (5) are arranged in a plurality of supporting beam (42) tops and are the cross state about being with a plurality of supporting beam (42), every go-between (52) correspond a supporting beam (42), and go-between sliding connection is in supporting beam (42) periphery, and crossbeam (5) have a plurality of that are parallel to each other, and the waterstop (54) between two adjacent crossbeams (5) are arranged in to the first connecting groove (51) in two adjacent crossbeams (5) in-connection.
2. The device for expansion joint of bridge as claimed in claim 1, wherein the fixed comb plate (1) is fixedly connected to the top of the receiving portion (43), and the movable comb plate (2) is hinged to the top of the fixing portion (41).
3. The device for expansion joint of bridge as claimed in claim 1, wherein the cross section of the comb teeth (3) of the movable comb plate (2) is isosceles trapezoid, the top end of the comb teeth (3) has an inclined surface, the fixed comb plate (1) and the movable comb plate (2) are hinged to the root of the respective comb teeth (3), and the root of the comb teeth (3) is arc-shaped.
4. A bridge expansion joint arrangement according to claim 1, wherein the surfaces of the fixed part (41) and the outer joint (431 b) opposite each other are provided with a "c" shaped second connecting groove opposite the opening of the adjacent first connecting groove (51), and a water stop (54) is connected between the second connecting groove and the adjacent first connecting groove (51).
5. The bridge expansion and contraction joint device according to claim 1, wherein springs (53) sleeved on the same support beam (42) are connected between the connecting rings (52) of the plurality of beams (5) on the same support beam (42), between the fixing part (41) and the adjacent connecting ring, and between the outer joint (431 b) and the adjacent connecting ring.
6. A bridge expansion joint arrangement according to claim 5, wherein the spring (53) is in a natural length or compressed state between two adjacent beams (5).
7. A bridge expansion joint arrangement according to claim 1, wherein the length of the cylindrical portion of the support beam (42) is greater than the maximum spacing of the bridge expansion joints.
8. The device for expansion joint of bridge as claimed in claim 1, wherein the depth of the counter bore of the concave spherical surface of the fixing portion (41) is greater than three-quarters of the diameter of the convex spherical surface of the support beam (42).
9. A bridge expansion joint arrangement according to claim 1, wherein the centre of the spherical through hole of the outer joint (431 b) corresponds to the centre of height of the outer joint (431 b).
10. The device for the expansion joint of the bridge as claimed in claim 1, wherein one end of the water stop (54) is provided with a drainage tube (541), one end of the drainage tube (541) penetrates through the water stop (54) and is communicated with the upper surface of the water stop (54), and the other end of the drainage tube extends into a drainage pipe of the bridge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451957.3A CN111676811B (en) | 2020-05-26 | 2020-05-26 | Bridge expansion joint device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010451957.3A CN111676811B (en) | 2020-05-26 | 2020-05-26 | Bridge expansion joint device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111676811A true CN111676811A (en) | 2020-09-18 |
| CN111676811B CN111676811B (en) | 2021-11-23 |
Family
ID=72453581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010451957.3A Active CN111676811B (en) | 2020-05-26 | 2020-05-26 | Bridge expansion joint device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111676811B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695627A (en) * | 2020-12-17 | 2021-04-23 | 河南交控建设工程有限公司 | Modularization bridge expansion joint device |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746490A1 (en) * | 1977-10-15 | 1979-04-19 | Maurer Friedrich Soehne | Bridge type expansion joint spanning fitting - has sliding resilient bearing units turning on lamellae alternately sloping opposite ways |
| CN2205400Y (en) * | 1994-06-21 | 1995-08-16 | 衡水橡胶股份有限公司 | Telescopic device for bridge |
| CN2221050Y (en) * | 1995-04-25 | 1996-02-28 | 衡水橡胶股份有限公司 | Bridge extension seem device |
| WO2000079055A1 (en) * | 1999-06-18 | 2000-12-28 | Vexcolt (Uk) Limited | Bridge joint |
| WO2008071386A1 (en) * | 2006-12-13 | 2008-06-19 | Construction Research & Technology Gmbh | Expansion joint system |
| CN102277829A (en) * | 2011-05-16 | 2011-12-14 | 西安中交土木科技有限公司 | Module broach plate type multi-directional shift bridge expandable device and installation method thereof |
| CN103711074A (en) * | 2013-12-31 | 2014-04-09 | 成都市新筑路桥机械股份有限公司 | Gapless-type large-displacement highway foot-bridge expansion device |
| CN203625771U (en) * | 2013-12-31 | 2014-06-04 | 衡水宝力工程橡胶有限公司 | Modular comb plate expansion device |
| CN203890872U (en) * | 2014-06-16 | 2014-10-22 | 衡水宝力工程橡胶有限公司 | Modulus-type expansion device with six degrees of freedom |
| CN205711729U (en) * | 2016-06-23 | 2016-11-23 | 武汉臣基工程科技有限公司 | The bridge extension joint of big displacement quantity combined type |
| CN106320169A (en) * | 2016-08-25 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
| CN109778691A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Steel bomb physique beam type profile steel bridge expansion device |
| CN208899319U (en) * | 2018-03-15 | 2019-05-24 | 王同辉 | A kind of comb-tooth bridge expansion device |
| CN110700087A (en) * | 2019-10-10 | 2020-01-17 | 四川省公路规划勘察设计研究院有限公司 | Bridge expansion device |
-
2020
- 2020-05-26 CN CN202010451957.3A patent/CN111676811B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2746490A1 (en) * | 1977-10-15 | 1979-04-19 | Maurer Friedrich Soehne | Bridge type expansion joint spanning fitting - has sliding resilient bearing units turning on lamellae alternately sloping opposite ways |
| CN2205400Y (en) * | 1994-06-21 | 1995-08-16 | 衡水橡胶股份有限公司 | Telescopic device for bridge |
| CN2221050Y (en) * | 1995-04-25 | 1996-02-28 | 衡水橡胶股份有限公司 | Bridge extension seem device |
| WO2000079055A1 (en) * | 1999-06-18 | 2000-12-28 | Vexcolt (Uk) Limited | Bridge joint |
| WO2008071386A1 (en) * | 2006-12-13 | 2008-06-19 | Construction Research & Technology Gmbh | Expansion joint system |
| CN102277829A (en) * | 2011-05-16 | 2011-12-14 | 西安中交土木科技有限公司 | Module broach plate type multi-directional shift bridge expandable device and installation method thereof |
| CN103711074A (en) * | 2013-12-31 | 2014-04-09 | 成都市新筑路桥机械股份有限公司 | Gapless-type large-displacement highway foot-bridge expansion device |
| CN203625771U (en) * | 2013-12-31 | 2014-06-04 | 衡水宝力工程橡胶有限公司 | Modular comb plate expansion device |
| CN203890872U (en) * | 2014-06-16 | 2014-10-22 | 衡水宝力工程橡胶有限公司 | Modulus-type expansion device with six degrees of freedom |
| CN205711729U (en) * | 2016-06-23 | 2016-11-23 | 武汉臣基工程科技有限公司 | The bridge extension joint of big displacement quantity combined type |
| CN106320169A (en) * | 2016-08-25 | 2017-01-11 | 中铁第四勘察设计院集团有限公司 | Modular expansion device and bridge |
| CN208899319U (en) * | 2018-03-15 | 2019-05-24 | 王同辉 | A kind of comb-tooth bridge expansion device |
| CN109440637A (en) * | 2018-12-19 | 2019-03-08 | 衡水中铁建工程橡胶有限责任公司 | A kind of highway bridge antidetonation telescopic device |
| CN109778691A (en) * | 2019-03-14 | 2019-05-21 | 中铁第四勘察设计院集团有限公司 | Steel bomb physique beam type profile steel bridge expansion device |
| CN110700087A (en) * | 2019-10-10 | 2020-01-17 | 四川省公路规划勘察设计研究院有限公司 | Bridge expansion device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112695627A (en) * | 2020-12-17 | 2021-04-23 | 河南交控建设工程有限公司 | Modularization bridge expansion joint device |
| CN112695627B (en) * | 2020-12-17 | 2023-10-13 | 河南交控建设工程有限公司 | Modular bridge expansion joint device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111676811B (en) | 2021-11-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111676811B (en) | Bridge expansion joint device | |
| RU2535328C2 (en) | Transverse joining assembly containing two opposite transverse ends of two successive components of roadbed and its joining system | |
| DE3429190A1 (en) | Flood-protection wall | |
| CN110241747B (en) | Overhanging type self-recovery flexible protection shed tunnel | |
| CN210856839U (en) | Expansion joint template structure for concrete pavement | |
| CN111962861A (en) | Fixed triangular support for building formwork construction | |
| EP0963918A1 (en) | Water tank | |
| RU140294U1 (en) | WATER DRAINAGE | |
| US20050074300A1 (en) | Trench shoring device | |
| EP2847387A1 (en) | Device for the scour protection of offshore constructions | |
| CN211228365U (en) | Modular polygonal side slope protection device | |
| CN209603069U (en) | A kind of analysis on aqueduct structure | |
| EP0446200A1 (en) | Rainwater storage | |
| CN214328575U (en) | Bridge jacking lateral displacement restriction orthotic devices | |
| CN212317007U (en) | Highway bridge foundation pile reinforcing apparatus | |
| CN110761247A (en) | Modular polygonal side slope protection device | |
| CN219671074U (en) | Sealing protection device for expansion joint of highway bridge | |
| CN210439117U (en) | Steel temporary bridge | |
| JP6392984B2 (en) | Transmission type sabo dam | |
| KR102504725B1 (en) | Assembly type wireless traffic light pole | |
| CN205369484U (en) | Novel highway is water drainage tank for engineering device | |
| CN218148421U (en) | Strip mine side slope protective structure | |
| CN210195790U (en) | Support arrangement for be applied to tunnel construction | |
| CN210713175U (en) | Vault movable cover plate for open-air pool body | |
| CN216663993U (en) | River course shore protection structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |