CN111172866B - Bridge expansion joint connecting member with flexible sealing part - Google Patents
Bridge expansion joint connecting member with flexible sealing part Download PDFInfo
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- CN111172866B CN111172866B CN202010110243.6A CN202010110243A CN111172866B CN 111172866 B CN111172866 B CN 111172866B CN 202010110243 A CN202010110243 A CN 202010110243A CN 111172866 B CN111172866 B CN 111172866B
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- fixedly connected
- groove
- expansion joint
- rod
- strip
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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
Abstract
The invention relates to the technical field of bridge expansion joints, and discloses a bridge expansion joint connecting member with a flexible sealing part, which comprises two rod pieces, wherein the two rod pieces are symmetrically distributed, the bottoms of the two rod pieces are fixedly connected with strip-shaped plates, one sides of the two rod pieces opposite to each other are provided with a first groove and a second groove, and the second groove is positioned at the bottom of the first groove. This bridge expansion joint connecting elements with flexible sealing portion through being equipped with a plurality of first coupling mechanism, and be provided with two first springs on first coupling mechanism, provide good shock-absorbing capacity when being favorable to adapting to two member transverse position changes, through being equipped with the second spring, provide good shock-absorbing capacity when being favorable to adapting to two member vertical position changes, compare prior art, can make to connect more stably between two members, provide good buffering and anti-deformation's performance simultaneously.
Description
Technical Field
The invention relates to the technical field of bridge expansion joints, in particular to a bridge expansion joint connecting member with a flexible sealing part.
Background
A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; installation, inspection, maintenance, elimination filth all will be simple and easy convenient, and the structure at expansion joint includes two symmetric distribution's member, and it is C type or F type to be common to have the cross-section, is connected with flexible sealing rubber between two members and is used for waterproof.
Connecting elements simple structure between the present common expansion joint, damping performance and anti deformation performance are relatively poor, and sand is built up easily in flexible sealing rubber department in the expansion joint simultaneously, hinders the change at expansion joint, causes harmful effects to bridge safety, and the expansion joint structure that has now in addition appears long-pending heavy jam after gathering a certain amount of silt or filth easily, can't realize normal blowdown function, needs the nursing staff regularly to carry out manual the dirt cleaning.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bridge expansion joint connecting member with a flexible sealing part, which realizes automatic dynamic pollution discharge cleaning by matching a self protection structure with a unique laying mode, has the advantages of good anti-seismic performance, difficulty in accumulating sandy soil and the like, and solves the problems that the connecting member between the common expansion joints at present has simple structure, poor anti-seismic performance and poor deformation resistance, and the flexible sealing rubber in the expansion joint is easy to accumulate sandy soil, so that the change of the expansion joint is blocked, and the bridge safety is adversely affected.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a bridge expansion joint connecting member with flexible sealing parts comprises two rod pieces, wherein the two rod pieces are symmetrically distributed, the bottoms of the two rod pieces are fixedly connected with strip plates, one side, opposite to the two rod pieces, of each rod piece is provided with a straight first groove and an arc-shaped second groove, the second grooves are positioned at the bottoms of the first grooves, a flexible sealing strip is arranged between the two rod pieces, the strip bodies of the sealing strip are in a V shape with arc treatment, two ends of the sealing strip are respectively positioned in the second grooves at two sides, a plurality of first connecting mechanisms are arranged at the bottom of the sealing strip, and a plurality of second connecting mechanisms are arranged at the top of the sealing strip;
the first connecting mechanism comprises two symmetrically distributed base blocks, telescopic rods are fixedly connected to the opposite sides of the two base blocks, the first spring is sleeved outside the telescopic rod, one end of the telescopic rod, far away from the base block, is fixedly connected with a baffle plate, one side of the telescopic rod, opposite to the two baffle plates, is respectively and fixedly connected with a fixed block and a short rod, a square groove is arranged on one side of the fixed block close to the short rod, a first hole and a second hole are respectively arranged on the top wall and the bottom wall of the square groove, one end of the short rod is positioned in the square groove, the top and the bottom of one end of the short rod positioned in the square groove are fixedly connected with vertical rods, the second spring is sleeved outside the vertical rods, the two vertical rods are respectively positioned inside the first hole and the second hole, the end part of the vertical rod body facing the sealing strip is provided with an elastic contact rod, and the length of the elastic contact rods is linearly increased along the length direction of the strip-shaped plate body;
the second connecting mechanism comprises a plurality of dust-proof plates which are uniformly distributed, the adjacent dust-proof plates are connected through a pull rope, the dust-proof plates comprise two flat plates which are symmetrically distributed, the flat plates are respectively positioned in first grooves on two sides, strip-shaped holes are formed in the surfaces of the flat plates, a partition plate is arranged between the flat plates, two side edges of the partition plate are respectively hinged to the two flat plates, an arc-shaped connecting interface is arranged between the first grooves and the arc-shaped second grooves, the arc-shaped connecting interface is communicated with the two grooves and is positioned on the outermost side, away from the partition plate, of the first grooves, a flexible belt is fixedly connected to one end, away from the partition plate, of the flat plate, and the tail end of the flexible belt penetrates through the arc-shaped connecting interface and is connected to the end of the sealing belt.
Preferably, the side surfaces of the two rod pieces are provided with first openings, first bolts are arranged in the first openings and penetrate through the first openings and are in threaded connection with the base block.
Preferably, the top of the rod piece is provided with a second open hole, a second bolt is arranged in the second open hole, and the second bolt sequentially penetrates through the second open hole and the strip-shaped hole and is in threaded connection with the bottom wall of the first groove.
Preferably, a plurality of evenly distributed's trapezoidal board, a plurality of is fixedly connected with bar shaped plate bottom the equal fixedly connected with reinforcing bar in trapezoidal board surface.
Preferably, the bottom of the first connecting mechanism is provided with a connecting plate, the surfaces of the two strip-shaped plates are provided with third openings, third bolts are arranged in the third openings, and the third bolts penetrate through the third openings and are fixedly connected with the connecting plate.
Preferably, one end of the first spring is fixedly connected with the base block, and the other end of the first spring is fixedly connected with the baffle.
Preferably, one end of the second spring is fixedly connected with the short rod, and the other end of the second spring is fixedly connected with the inner wall of the square groove.
And the steel bars are connected through connecting bars.
Compared with the prior art, the invention provides a bridge expansion joint connecting member with a flexible sealing part, which has the following beneficial effects:
1. the invention utilizes the embedding mode of different embedding depths in sections and is matched with the protection structure which is integrally linked, thereby realizing the automatic dynamic removal of the fallen sewage on the basis of good earthquake resistance and difficult accumulation of sandy soil.
2. This bridge expansion joint connecting elements with flexible sealing portion through being equipped with a plurality of first coupling mechanism, and be provided with two first springs on first coupling mechanism, provide good shock-absorbing capacity when being favorable to adapting to two member transverse position changes, through being equipped with the second spring, provide good shock-absorbing capacity when being favorable to adapting to two member vertical position changes, compare prior art, can make to connect more stably between two members, provide good buffering and anti-deformation's performance simultaneously.
3. This bridge expansion joint connecting elements with flexible sealing portion through being equipped with second coupling mechanism, including a plurality of evenly distributed's dust guard, connect through the stay cord between the adjacent dust guard, gap between two members can be reduced through the baffle, the risk of the sealing strip surface accumulation dust of bottom has been reduced, it has the flat board to articulate through the baffle both ends, the flat board surface is provided with the bar hole, is favorable to making the horizontal or vertical displacement of two members of baffle adaptation, has improved the suitability.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a first coupling mechanism according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 1 according to the present invention;
FIG. 4 is a schematic structural view of a second coupling mechanism according to the present invention;
FIG. 5 is a schematic view of a third opening of the present invention.
Wherein: 1. a rod member; 2. a strip plate; 3. a first groove; 4. a second groove; 5. sealing tape; 6. a base block; 7. a telescopic rod; 8. a first spring; 9. a baffle plate; 10. a fixed block; 11. a short bar; 12. a square groove; 13. a first hole; 14. a second hole; 15. a vertical rod; 16. a second spring; 17. pulling a rope; 18. a flat plate; 19. a strip-shaped hole; 20. a partition plate; 21. a first opening; 22. a first bolt; 23. a second opening; 24. a second bolt; 25. a trapezoidal plate; 26. reinforcing steel bars; 27. a connecting plate; 28. a third opening; 29. a third bolt; 30. and connecting ribs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, a bridge expansion joint connecting member with a flexible sealing portion includes two rod members 1, the number of the rod members 1 is two, the two rod members 1 are symmetrically distributed, the bottoms of the two rod members 1 are fixedly connected with strip plates 2, one side of the two rod members 1 opposite to each other is provided with a straight first groove 3 and an arc-shaped second groove 4, the second groove 4 is located at the bottom of the first groove 3, a flexible sealing tape 5 is arranged between the two rod members 1, the tape body of the sealing tape 5 is in a V shape processed by an arc, two ends of the sealing tape 5 are respectively located in the second grooves 4 at two sides, the bottom of the sealing tape 5 is provided with a plurality of first connecting mechanisms, and the top of the sealing tape 5 is provided with a plurality of second connecting mechanisms;
the first connecting mechanism comprises two base blocks 6 which are symmetrically distributed, wherein the opposite sides of the two base blocks 6 are fixedly connected with a telescopic rod 7, the telescopic rod 7 is externally sleeved with a first spring 8, one end of the telescopic rod 7, which is far away from the base blocks 6, is fixedly connected with a baffle plate 9, the opposite sides of the two baffle plates 9 are fixedly connected with a fixed block 10 and a short rod 11 respectively, one side of the fixed block 10, which is close to the short rod 11, is provided with a square groove 12, the top wall and the bottom wall of the square groove 12 are respectively provided with a first hole 13 and a second hole 14, one end of the short rod 11 is positioned in the square groove 12, the top part and the bottom part of one end of the short rod 11, which is positioned in the square groove 12, are both fixedly connected with vertical rods 15, the vertical rods 15 are externally sleeved with second springs 16, the two vertical rods 15 are respectively positioned in the first hole 13 and the second hole 14, and the end parts of the rod bodies of the vertical rods 15, which face the sealing strip 5, are provided with elastic contact rods, the lengths of the elastic contact rods parallel to the length direction of the plate body of the strip-shaped plate 2 are linearly increased;
the second connecting mechanism comprises a plurality of dust-proof plates which are uniformly distributed, the adjacent dust-proof plates are connected through a pull rope 17, each dust-proof plate comprises two flat plates 18 which are symmetrically distributed, the flat plates 18 are respectively positioned in the first grooves 3 on two sides, the surfaces of the flat plates 18 are provided with strip-shaped holes 19, a partition plate 20 is arranged between the flat plates 18, the edges on two sides of the partition plate 20 are respectively hinged with the two flat plates 18, an arc-shaped connecting interface is arranged between the first groove 3 and the arc-shaped second groove 4, the arc-shaped connecting interface is communicated with the two grooves and positioned on the outermost side, far away from the partition plate 20, of the first groove 3, one end, far away from the partition plate 20, of each flat plate 18 is fixedly connected with a flexible belt, and the tail end of each flexible belt penetrates through the arc-shaped connecting interface and is connected to the end portion of the sealing belt 5.
The equal fixedly connected with reinforcing bar 26 in a plurality of trapezoidal boards 25 surface, connect through splice bar 30 between a plurality of reinforcing bars 26, this reinforcing bar 26 and splice bar 30 are similar with the relevant part structure at the expansion joint among the prior art, mainly used pours, first connecting mechanism bottom is equipped with connecting plate 27, third open cut 28 has been seted up on two bar boards 2 surfaces, the inside third bolt 29 that is equipped with of third open cut 28, third bolt 29 runs through third open cut 28 and with connecting plate 27 fixed connection, be favorable to fixing two bar boards 2 through connecting plate 27, and dismantle connecting plate 27 through twisting third bolt 29 when will pouring, avoid two member 1's height to take place relative change before pouring.
The first connecting mechanism comprises two base blocks 6 which are symmetrically distributed, the side surfaces of the two rod pieces 1 are respectively provided with a first opening 21, a first bolt 22 is arranged in the first opening 21, the first bolt 22 penetrates through the first opening 21 and is in threaded connection with the base blocks 6, so that the two ends of the first connecting mechanism are respectively and fixedly connected with the two rod pieces 1, one sides of the two base blocks 6 which are opposite to each other are respectively and fixedly connected with a telescopic rod 7, a first spring 8 is sleeved outside the telescopic rod 7, one end of the first spring 8 is fixedly connected with the base blocks 6, the other end of the first spring 8 is fixedly connected with a baffle 9, so that the transverse buffer force is favorably provided, one end of the telescopic rod 7 which is far away from the base blocks 6 is fixedly connected with a baffle 9, one sides of the two baffle plates 9 which are opposite to each other are respectively and fixedly connected with a fixed block 10 and a short rod 11, one side of the fixed block 10 which is close to the short rod 11 is provided with a square groove 12, and the top wall and the bottom wall of the square groove 12 are respectively provided with a first hole 13 and a second hole 14, 11 one ends of quarter butt are located square groove 12, the top and the equal fixedly connected with montant 15 in bottom that quarter butt 11 is located the inside one end of square groove 12, montant 15 has cup jointed second spring 16 outward, 16 one end of second spring and 11 fixed connection of quarter butt, the 16 other end of second spring and 12 inner wall fixed connection of square groove, in the practical application, 16 bottom and the 11 fixed connection of quarter butt of second spring at top, top and 12 roof fixed connection of square groove, 16 tops of second spring and 11 fixed connection of quarter butt of bottom, bottom and 12 diapire fixed connection of square groove, be favorable to providing the cushion effect when quarter butt 11 and the relative vertical displacement of square groove 12 through second spring 16, two montants 15 are located inside first hole 13 and second hole 14 respectively.
The second connecting mechanism comprises a plurality of dust-proof plates which are uniformly distributed, the adjacent dust-proof plates are connected through a pull rope 17, the pull rope 17 is made of metal materials, the number of the pull rope 17 is at least two, in practical application, the pull rope 17 is fixedly arranged at the edge of the partition plate 20, the dust-proof plates comprise two flat plates 18 which are symmetrically distributed, the two flat plates 18 are respectively positioned in the first grooves 3 at two sides, the surfaces of the two flat plates 18 are respectively provided with a strip-shaped hole 19, the top of the rod piece 1 is provided with a second open hole 23, a second bolt 24 is arranged in the second open hole 23, the second bolt 24 sequentially penetrates through the second open hole 23 and the strip-shaped hole 19 and is in threaded connection with the bottom wall of the first groove 3, when the rod pieces 1 at two sides are transversely displaced, the relative position of the second bolt 24 in the strip-shaped hole 19 is changed, the position and the state of the partition plate 20 cannot be influenced, the partition plate 20 is arranged between the two flat plates 18, in practical application, the partition plate 20 is an arc-shaped plate which is bent upwards, and two side edges of the partition plate 20 are respectively hinged with the two flat plates 18.
When the expansion joint structure is embedded and installed in the earlier stage, a plurality of sections of bridge expansion joint connecting members in the application are arranged in series along the width direction of a road, and the embedding depth of the bridge expansion joint connecting members is linearly changed, when the expansion joint structure is used, when the rod pieces 1 on two sides are subjected to instantaneous transverse displacement under the action of a vehicle on the top of a bridge, the first springs 8 can be extruded or pulled to provide transverse buffering, when the rod pieces 1 on two sides are subjected to instantaneous vertical displacement under the action of the vehicle on the top of the bridge, the short rods 11 move up and down relative to the square grooves 12, so that the two second springs 16 are compressed or extended to provide vertical buffering, dust can be blocked to a certain degree through the mutually connected partition plates 20, the dust is prevented from entering the bottom, when the vertical buffering occurs, the elastic contact rods arranged towards the end part of the sealing strip 5 of the rod 15 rod body are subjected to vertical movement, and the lengths of the plurality of elastic contact rods parallel to the length direction of the strip plate body 2 are linearly increased, therefore, the jacking triggering force of the vertical rods 15 towards the sealing strip 5 enables the sealing strip 5 made of flexible materials to deform in different amplitudes in the road width direction, so that the accumulated dirt can creep in one direction, effective pollution discharge is achieved, when the rod pieces 1 on two sides are subjected to instantaneous transverse displacement under the action of a vehicle on the top of a bridge, the relative positions of the second bolts 24 in the strip-shaped holes 19 are changed, the positions and the states of the partition plates 20 are not influenced, when the rod pieces 1 on two sides are subjected to instantaneous vertical displacement under the action of the vehicle on the top of the bridge, the partition plates 20 are hinged with the two flat plates 18, the partition plates 20 can be inclined, the positions and the states of the partition plates 20 cannot be influenced greatly after the rod pieces 1 recover, in addition, when the partition plates 20 move greatly, the flat plates 18 are driven to slide in the first grooves 3, so that the flexible strips are driven, and the V-shaped sealing strips 5 are driven to stretch and compress properly, the dirt that further makes the volume weight is smashed and drops, avoids gathering into a group, helps getting rid of the filth, because the expansion joint component receives the vehicle that is incessant to roll the impact in addition, and the impact all can produce the component of vertical and transverse force at every turn, consequently can realize the dynamic clearance to the filth, need not manual intervention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A bridge expansion joint connecting member with a flexible sealing part comprises a rod member (1), and is characterized in that: the number of the rod pieces (1) is two, the two rod pieces (1) are symmetrically distributed, strip-shaped plates (2) are fixedly connected to the bottoms of the two rod pieces (1), a straight first groove (3) and an arc-shaped second groove (4) are formed in one side, opposite to the two rod pieces (1), of each second groove (4), the bottoms of the first grooves (3) are provided with the flexible sealing strip (5), the strip body of each sealing strip (5) is in a V shape with circular arc treatment, two ends of each sealing strip (5) are respectively located in the second grooves (4) on two sides, a plurality of first connecting mechanisms are arranged at the bottom of each sealing strip (5), and a plurality of second connecting mechanisms are arranged at the top of each sealing strip (5);
the first connecting mechanism comprises two symmetrically distributed base blocks (6), two telescopic rods (7) are fixedly connected to one opposite sides of the base blocks (6), first springs (8) are sleeved outside the telescopic rods (7), one ends, far away from the base blocks (6), of the telescopic rods (7) are fixedly connected with baffle plates (9), one opposite sides of the two baffle plates (9) are fixedly connected with fixing blocks (10) and short rods (11) respectively, one side, close to the short rods (11), of each fixing block (10) is provided with a square groove (12), the top wall and the bottom wall of each square groove (12) are provided with first holes (13) and second holes (14) respectively, one end of each short rod (11) is located in the corresponding square groove (12), the top and the bottom of one end, located inside the corresponding square groove (12), of each short rod (11) is fixedly connected with a vertical rod (15), a second spring (16) is sleeved outside the vertical rod (15), the two vertical rods (15) are respectively positioned in the first hole (13) and the second hole (14), the end part of the rod body of each vertical rod (15) facing the sealing belt (5) is provided with an elastic contact rod, and the length of the elastic contact rods parallel to the length direction of the plate body of the strip-shaped plate (2) is linearly increased;
the second connecting mechanism comprises a plurality of dust-proof plates which are uniformly distributed, adjacent dust-proof plates are connected through pull ropes (17), the dust guard comprises two flat plates (18) which are symmetrically distributed, the two flat plates (18) are respectively positioned in the first grooves (3) at two sides, strip-shaped holes (19) are respectively formed in the surfaces of the two flat plates (18), a partition plate (20) is arranged between the two flat plates (18), the edges at two sides of the partition plate (20) are respectively hinged with the two flat plates (18), wherein an arc-shaped connecting interface is arranged between the first groove (3) and the arc-shaped second groove (4), the arc-shaped connecting interface is communicated with the first groove (3) and the second groove (4) and is positioned at the outermost side of the first groove (3) far away from the partition plate (20), one end of the flat plate (18) far away from the partition plate (20) is fixedly connected with a flexible belt, the ends of the flexible band pass through the arcuate connection interfaces and are connected to the ends of the sealing band (5).
2. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: two first trompil (21) have all been seted up to member (1) side, first trompil (21) inside is equipped with first bolt (22), first bolt (22) run through first trompil (21) and with base block (6) threaded connection.
3. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: second trompil (23) have been seted up at member (1) top, be equipped with second bolt (24) in second trompil (23), second bolt (24) run through second trompil (23) and bar hole (19) in proper order and with first recess (3) diapire threaded connection.
4. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: a plurality of evenly distributed's trapezoidal plate (25) are fixedly connected with in bar shaped plate (2) bottom, and are a plurality of trapezoidal plate (25) equal fixedly connected with reinforcing bar (26) in surface.
5. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: the bottom of the first connecting mechanism is provided with a connecting plate (27), the surfaces of the two strip-shaped plates (2) are provided with third holes (28), third bolts (29) are arranged in the third holes (28), and the third bolts (29) penetrate through the third holes (28) and are fixedly connected with the connecting plate (27).
6. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: one end of the first spring (8) is fixedly connected with the base block (6), and the other end of the first spring (8) is fixedly connected with the baffle (9).
7. The bridge expansion joint connecting member with a flexible sealing portion according to claim 1, wherein: one end of the second spring (16) is fixedly connected with the short rod (11), and the other end of the second spring (16) is fixedly connected with the inner wall of the square groove (12).
8. A bridge expansion joint connecting member with a flexible sealing portion according to claim 4, wherein: the reinforcing steel bars (26) are connected through connecting ribs (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110243.6A CN111172866B (en) | 2020-02-23 | 2020-02-23 | Bridge expansion joint connecting member with flexible sealing part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010110243.6A CN111172866B (en) | 2020-02-23 | 2020-02-23 | Bridge expansion joint connecting member with flexible sealing part |
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| CN111172866A CN111172866A (en) | 2020-05-19 |
| CN111172866B true CN111172866B (en) | 2021-08-24 |
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| CN202010110243.6A Active CN111172866B (en) | 2020-02-23 | 2020-02-23 | Bridge expansion joint connecting member with flexible sealing part |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111827106B (en) * | 2020-08-04 | 2022-07-08 | 湖南湘船钢构有限公司 | Anti-resonance device for steel-concrete composite bridge |
| CN112064498B (en) * | 2020-09-14 | 2021-04-13 | 蒋明敏 | Comb-shaped bridge expansion joint plate structure and cleaning device thereof |
| CN112523076A (en) * | 2020-11-24 | 2021-03-19 | 西京学院 | Shock-absorbing structure of bridge expansion joint |
| CN112982151A (en) * | 2021-03-16 | 2021-06-18 | 姚帅 | Expansion joint dredging and draining mechanism applied to elevated bridge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| AT308173B (en) * | 1970-02-03 | 1973-06-25 | Maurer Friedrich Soehne | Bridging device for expansion joints in bridges or the like. |
| JP3101921B2 (en) * | 1998-01-12 | 2000-10-23 | 明彦 浪岡 | Telescopic device for road bridge |
| DE20110695U1 (en) * | 2001-06-28 | 2002-02-07 | B S G Metallbau Gmbh | Joint cover for expansion joints |
| CN205474814U (en) * | 2015-12-31 | 2016-08-17 | 中国一冶集团有限公司 | Crosslinked formula camber beam bridge combine telescope seam |
| CN108071073A (en) * | 2016-11-10 | 2018-05-25 | 扬州市环球花盆厂 | A kind of bridge maintaining dam |
| CN206599730U (en) * | 2017-03-21 | 2017-10-31 | 李国华 | A kind of Double-joint expansion joint device for bridge |
| CN207331445U (en) * | 2017-10-16 | 2018-05-08 | 王超 | A kind of waterproof cover for bridge expanssion joint |
| CN207794017U (en) * | 2017-12-22 | 2018-08-31 | 刘敏妍 | A kind of hydraulic structure expansion joint seepage-proof structure |
| CN110093855A (en) * | 2018-01-31 | 2019-08-06 | 刁望东 | A kind of bridge expansion joint installation of damping closed type |
| CN208309372U (en) * | 2018-03-18 | 2019-01-01 | 翟仕道 | Bridge stretching structure |
| CN208293412U (en) * | 2018-05-17 | 2018-12-28 | 李旺兴 | A kind of shallow embedding formula bridge extension joint |
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2020
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