CN112081005A - Bridge structure broken joint dislocation expansion joint structure - Google Patents
Bridge structure broken joint dislocation expansion joint structure Download PDFInfo
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- CN112081005A CN112081005A CN202011000141.5A CN202011000141A CN112081005A CN 112081005 A CN112081005 A CN 112081005A CN 202011000141 A CN202011000141 A CN 202011000141A CN 112081005 A CN112081005 A CN 112081005A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/06—Arrangement, construction or bridging of expansion joints
- E01D19/065—Joints having sliding plates
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Abstract
The invention discloses a bridge structure broken joint dislocation expansion joint structure which comprises two bridge bodies, wherein one adjacent side of the two bridge bodies is provided with a first groove, the upper surface of the bridge body is provided with two first plate bodies, the upper surface of each first plate body is provided with an expansion anchor bolt, the first plate bodies are fixedly connected to the upper surface of the bridge body through the expansion anchor bolts, one adjacent side of the two first plate bodies is provided with a second groove, the inner side wall of one second groove is fixedly connected with a second plate body, and one side, far away from the one second groove, of the second plate body is slidably connected to the inner side wall of the other second groove; when weather is hot, the distance between two bridge bodies is grow gradually to make two first plate bodies keep away from each other gradually, and then make the second plate body slide towards the direction of keeping away from the second recess, first plate body can drive the third plate body and keep away from each other, thereby straighten the fourth plate body gradually through the fifth plate body.
Description
Technical Field
The invention relates to the technical field of building expansion joints, in particular to a bridge structure broken joint dislocation expansion joint structure.
Background
As is known, the length of a bridge body of a bridge can be changed due to the influence of a series of external load actions such as the change of indoor and outdoor temperatures, the change of concrete, the contraction, the dynamic load of an automobile and the like, so that the bridge end is displaced. In order to adapt to the displacement and keep the whole beam body stable, the driving safety and comfort are ensured, and the expansion joint must be arranged at a reasonable position in the bridge structure. Since the highway bridges are located outdoors, the bridge bodies are easily deformed by various influence factors, and if the deformation is excessive, the safety of the bridge bodies is directly affected, and therefore, in order to adjust the displacement between the upper structures and the coupling between the upper structures, which are caused by the load of vehicles, environmental characteristics, and physical properties of bridge construction materials, expansion joints must be provided.
The invention is disclosed in China: a bridge expansion joint structure (publication number: CN105672126A) discloses a bridge expansion joint structure, which solves the problems of the fracture of the expansion joint structure and the jumping of the vehicle when the wheels pass by, but has certain problems;
the opening width of the existing bridge expansion joint is calculated by engineering technicians according to the temperature and the installation month of a construction site, and then the existing bridge expansion joint is produced by a manufacturer. After the expansion joint is welded by the fixed support after the manufacture is finished, the opening width of the expansion joint cannot be adjusted for a fixed value, when the construction period is delayed, the difference between the temperature difference during installation and the calculated temperature difference during design is large, or the opening width needs to be adjusted again due to other reasons, a manufacturer needs to cut off all the original welded fixed supports, then adjust the width and the flatness of the section steel of the expansion joint again, and weld and fix the expansion joint after the adjustment is finished, so that a large amount of manpower and material resources are wasted
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a bridge structure broken joint dislocation expansion joint structure.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a bridge structure broken joint dislocation expansion joint structure comprises two bridge bodies, wherein one adjacent side of the two bridge bodies is provided with a first groove, the upper surface of the bridge body is provided with two first plate bodies, the upper surface of each first plate body is provided with an expansion anchor bolt, the first plate bodies are fixedly connected to the upper surface of the bridge body through the expansion anchor bolt, one adjacent side of the two first plate bodies is provided with a second groove, the inner side wall of one second groove is fixedly connected with a second plate body, one side of the second plate body, which is far away from the one second groove, is slidably connected to the inner side wall of the other second groove, one adjacent side of the inner wall of the other second groove is provided with a first chute, the inner side wall of the first chute is slidably connected with a first slide block, and one side of the first slide block, which is far away from the first chute, is welded to the outer side wall, the lower surface symmetry welding of first plate body has two third plate bodies, two modified asphalt board has all been bonded to one side that the third plate body was kept away from each other, two one side that the bridge body is adjacent is equipped with eight fourth plate bodies, eight one side that the fourth plate body is adjacent is articulated each other through first round pin axle, fifth plate body has all been welded to one side that the fourth plate body is close to the third plate body, fifth plate body threaded connection keeps away from one side of modified asphalt board in the third plate body, the first logical groove of equidistance range is seted up to the upper surface of first plate body, the second logical groove of equidistance range is seted up to the upper surface of second plate body.
Preferably, the upper surface of the first plate body is provided with first through holes arranged at equal intervals, and the inner side wall of each first through hole is bonded with a first filter screen.
Preferably, the upper surface of the fourth plate body is provided with second through holes arranged at equal intervals, and the inner side wall of each second through hole is bonded with a second filter screen.
Preferably, a sixth plate body is welded on the lower surface of the third plate body, the outer side wall of the sixth plate body is connected to the inner side wall of the first groove in a sliding manner, two connecting blocks are symmetrically welded on the lower surface of the sixth plate body, a seventh plate body is welded on the lower surface of the connecting blocks, a third groove is formed in the lower surface of the seventh plate body, a first connecting rod is connected to the inner side wall of the third groove in a sliding manner, a spring is sleeved on the outer side wall of the first connecting rod, an eighth plate body is welded at the bottom end of the first connecting rod, the top end of the spring is welded on the lower surface of the seventh plate body, the bottom end of the spring is welded on the upper surface of the eighth plate body, a second connecting rod is welded on one side adjacent to the two seventh plate bodies, two sleeves are symmetrically and slidably connected, the lateral wall of second connecting rod is located to the extension spring cover, sheathed tube lower surface articulates through second round pin axle has the third connecting rod, the sheathed tube one end is kept away from to the third connecting rod articulates through third round pin axle has the third slider, the lower surface sliding connection of third slider is in the upper surface of eighth plate body.
Preferably, a second sliding groove is formed in one side, adjacent to the inner wall of the third groove, of the inner side wall of the second sliding groove, a second sliding block is connected to the inner side wall of the second sliding groove in a sliding mode, one side, far away from the second sliding groove, of the second sliding block is welded to the outer side wall of the first connecting rod, and the eighth plate body is fixedly connected to the inner side bottom wall of the first groove through rivets.
Preferably, a water stop is bonded to one side of each of the two third plate bodies adjacent to each other.
Preferably, fire retardant belts are bonded on one adjacent sides of the two bridge bodies.
Preferably, an ethylene propylene diene monomer rubber plate is bonded to the upper surface of the first plate body, and rubber asphalt concrete is coated on the upper surface of the ethylene propylene diene monomer rubber plate.
(III) advantageous effects
Compared with the prior art, the invention provides a bridge structure broken joint dislocation expansion joint structure, which has the following beneficial effects:
the bridge structure broken joint dislocation expansion joint structure has the advantages that when weather is hot, the distance between the two bridge bodies is gradually increased, so that the two first plate bodies are gradually far away from each other, the second plate body slides towards the direction far away from the second groove, the first plate body can drive the third plate body to be far away from each other, so that the fourth plate body is gradually straightened through the fifth plate body, when the weather is cold, the distance between the two bridge bodies is gradually reduced, so that the two first plate bodies are gradually close to each other, the second plate body slides towards the direction close to the second groove, the first plate body can drive the third plate body to be close to each other, so that the straightened fourth plate body is gradually changed into a corrugated shape through the fifth plate body, the structure can be adjusted along with the distance between the two bridge bodies through the mode, and the problem of repeated manufacturing and installation is avoided, thereby reducing the waste of manpower and material resources.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a connection structure of a first plate, a first through groove and a first through hole according to the present invention;
FIG. 3 is a top view of a connection structure of a first board body and a second board body according to the present invention;
fig. 4 is a schematic view of a connection structure of a fourth plate body, a second through hole and a second filter screen according to the present invention;
FIG. 5 is an enlarged view of the structure of the region A in FIG. 1 according to the present invention;
fig. 6 is a schematic view of a connection structure of the bridge body, the first plate body, the water stop and the fire retardant belt.
In the figure: 1. a bridge body; 2. a first groove; 3. a first plate body; 4. expanding the anchor bolt; 5. a second groove; 6. a second plate body; 7. a first chute; 8. a first slider; 9. a third plate body; 10. modified asphalt board; 11. a fourth plate body; 12. a fifth plate body; 13. a first through groove; 14. a first through hole; 15. a first filter screen; 16. a second through groove; 17. a second through hole; 18. a second filter screen; 19. a sixth plate body; 20. connecting blocks; 21. a seventh plate body; 22. a third groove; 23. a first connecting rod; 24. a spring; 25. an eighth plate body; 26. a second connecting rod; 27. a sleeve; 28. a tension spring; 29. a third slider; 30. a second chute; 31. a second slider; 32. a water stop; 33. a fire retardant belt; 34. a third connecting rod; 35. ethylene propylene diene monomer rubber plate; 36. rubber asphalt concrete.
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.
Examples
Referring to fig. 1-6, the present invention provides a technical solution: a bridge structure broken joint dislocation expansion joint structure comprises two bridge bodies 1, wherein one adjacent side of the two bridge bodies 1 is provided with a first groove 2, the upper surface of the bridge body 1 is provided with two first plate bodies 3, the upper surface of each first plate body 3 is provided with an expansion anchor bolt 4, the first plate bodies 3 are fixedly connected to the upper surface of the bridge body 1 through the expansion anchor bolts 4, one adjacent side of each first plate body 3 is provided with a second groove 5, the inner side wall of one second groove 5 is fixedly connected with a second plate body 6, one side of the second plate body 6, which is far away from one second groove 5, is slidably connected to the inner side wall of the other second groove 5, one adjacent side of the inner wall of the other second groove 5 is provided with a first chute 7, the inner side wall of the first chute 7 is slidably connected with a first slide block 8, one side of the first slide block 8, which is far away from the first chute 7, is, the lower surface symmetric welding of first plate body 3 has two third plate bodies 9, one side that two third plate bodies 9 kept away from each other all bonds and has modified asphalt board 10, one side that two bridge body 1 are adjacent is equipped with eight fourth plate bodies 11, one side that eight fourth plate bodies 11 are adjacent is articulated each other through first round pin axle, fifth plate body 12 has all been welded to one side that fourth plate body 11 is close to third plate body 9, one side that modified asphalt board 10 was kept away from to fifth plate body 12 threaded connection in third plate body 9, the first logical groove 13 that the equidistance was arranged is seted up to the upper surface of first plate body 3, the second logical groove 16 that the equidistance was arranged is seted up to the upper surface of second plate body 6.
In this embodiment, specifically: the upper surface of the first plate body 3 is provided with first through holes 14 which are arranged at equal intervals, and the inner side wall of each first through hole 14 is bonded with a first filter screen 15; through setting up first through-hole 14, can make the ponding of first plate body 3 upper surface pass through first through-hole 14 to prevent that 3 upper surfaces of first plate bodies from producing ponding, can intercept the dust of 3 upper surfaces of first plate bodies and the impurity of ponding through setting up first filter screen 15, prevent that it from entering into the inside of first through-hole 14, thereby cause the problem of first through-hole 14 jam to take place.
In this embodiment, specifically: the upper surface of the fourth plate body 11 is provided with second through holes 17 which are arranged at equal intervals, and the inner side wall of each second through hole 17 is bonded with a second filter screen 18; through setting up second through-hole 17, can make ponding see through second through-hole 17 to prevent that ponding from long-term the problem that stops at the upper surface of fourth plate body 11 and cause fourth plate body 11 to damage to take place, through setting up second filter screen 18, can intercept the impurity in the ponding, prevent that it from entering into the inside of second through-hole 17, thereby cause the problem of second through-hole 17 jam to take place, wherein the mesh number of second filter screen 18 is greater than the mesh number of first filter screen 15.
In this embodiment, specifically: the lower surface of the third plate 9 is welded with a sixth plate 19, the outer side wall of the sixth plate 19 is slidably connected to the inner side wall of the first groove 2, the lower surface of the sixth plate 19 is symmetrically welded with two connecting blocks 20, the lower surface of the connecting blocks 20 is welded with a seventh plate 21, the lower surface of the seventh plate 21 is provided with a third groove 22, the inner side wall of the third groove 22 is slidably connected with a first connecting rod 23, the outer side wall of the first connecting rod 23 is sleeved with a spring 24, the bottom end of the first connecting rod 23 is welded with an eighth plate 25, the top end of the spring 24 is welded to the lower surface of the seventh plate 21, the bottom end of the spring 24 is welded to the upper surface of the eighth plate 25, one adjacent side of the two seventh plates 21 is welded with a second connecting rod 26, the outer side wall of the second connecting rod 26 is symmetrically slidably connected with two sleeves 27, one adjacent side of the, the lower surface of the sleeve 27 is hinged with a third connecting rod 34 through a second pin shaft, one end of the third connecting rod 34, which is far away from the sleeve 27, is hinged with a third sliding block 29 through a third pin shaft, and the lower surface of the third sliding block 29 is connected to the upper surface of the eighth plate body 25 in a sliding manner; when a heavy vehicle passes through the upper surface of the first plate 3, the heavy vehicle applies force to the first plate 3, the first plate 3 is forced to push the seventh plate 21 to move downwards through the third plate 9, the sixth plate 19 and the connecting block 20, the seventh plate 21 moves downwards to enable the third groove 22 to gradually approach the top end of the first connecting rod 23 and press the spring 24 to generate elastic deformation, meanwhile, the two sleeves 27 move along the track of the second connecting rod 26 towards the direction of the seventh plate 21 and pull the tension spring 28 to generate elastic deformation, the second connecting rod 26 drives the sleeves 27 to move downwards along with the seventh plate 21, the sleeves 27 push the third slide block 29 to slide towards the direction of the spring 24 through the third connecting rod 34, then the seventh plate 21 is pushed upwards by the elastic potential energy generated after the spring 24 generates elastic deformation, and the sleeves 27 are pulled back by the elastic potential energy generated after the tension spring 28 generates elastic deformation, so that the third slider 29 is pulled back into position by the third connecting rod 34 and the pressure applied is consumed.
In this embodiment, specifically: a second sliding chute 30 is formed in one side, adjacent to the inner wall of the third groove 22, of the second sliding chute 30, a second sliding block 31 is connected to the inner side wall of the second sliding chute 30 in a sliding mode, one side, far away from the second sliding chute 30, of the second sliding block 31 is welded to the outer side wall of the first connecting rod 23, and the eighth plate 25 is fixedly connected to the inner side bottom wall of the first groove 2 through rivets; the second sliding groove 30 and the second sliding block 31 can limit the first connecting rod 23, so that the first connecting rod is prevented from sliding out of the third groove 22.
In this embodiment, specifically: a water stop belt 32 is bonded on one adjacent side of the two third plate bodies 9; by arranging the water stop belt 32, the water stop belt can be effectively fastened and sealed, prevents water leakage, water seepage and shock absorption and buffering of a building structure, and therefore the service life of an engineering building is ensured.
In this embodiment, specifically: fire retardant belts 33 are bonded on the adjacent sides of the two bridge bodies 1; by providing a fire barrier tape 33, the fire barrier tape 33 is slightly wider than the slit width and functions to block flames.
In this embodiment, specifically: the ethylene propylene diene monomer rubber plate 35 is bonded to the upper surface of the first plate body 3, and the rubber asphalt concrete 36 is coated on the upper surface of the ethylene propylene diene monomer rubber plate 35; the ethylene propylene diene monomer rubber plate 35 has the advantages of ozone resistance, heat resistance, weather resistance and the like, and aging resistance, and the rubber asphalt concrete 36 can improve the resistance to fatigue cracks and reflection cracks on a road surface, reduce noise and improve driving comfort.
In summary, the working principle and the working process of the bridge structure broken joint dislocation expansion joint structure are that, when the bridge structure is used and when the weather is hot, the distance between the two bridge bodies 1 is gradually increased due to expansion with heat and contraction with cold, so that the two first plate bodies 3 are gradually separated from each other, so that the second plate body 6 slides towards the direction far away from the second groove 5, meanwhile, the second plate body 6 drives the first slider 8 to slide, so that the first slider 8 is prevented from sliding out of the second groove 5, the first plate bodies 3 drive the third plate bodies 9 to be separated from each other, the third plate bodies 9 are separated from each other, so that the fourth plate body 11 is gradually straightened through the fifth plate body 12, when the weather is cold, the distance between the two bridge bodies 1 is gradually reduced due to expansion with cold, so that the two first plate bodies 3 are gradually close to each other, so that the second plate body 6 slides towards the direction close to the second groove 5, the first plate body 3 drives the third plate bodies 9 to approach each other, the third plate bodies 9 approach each other and gradually change the straightened fourth plate body 11 into a corrugated shape through the fifth plate body 12, the structure can be adjusted along with the distance between the two bridge bodies 1 in the above manner, when a heavy vehicle passes through the upper surface of the first plate body 3, a force is applied to the heavy vehicle, the first plate body 3 is forced to push the seventh plate body 21 to move downwards through the third plate body 9, the sixth plate body 19 and the connecting block 20, the seventh plate body 21 moves downwards, the third groove 22 gradually approaches the top end of the first connecting rod 23 and presses the spring 24 to generate elastic deformation, meanwhile, the two sleeves 27 move along the track of the second connecting rod 26 towards the seventh plate body 21 and pull the tension spring 28 to generate elastic deformation, the second connecting rod 26 drives the sleeves 27 to move downwards along with the seventh plate body 21, the sleeve 27 can push the third slider 29 to slide towards the direction of the spring 24 through the third connecting rod 34, then the seventh plate body 21 can be pushed upwards by the elastic potential energy generated after the spring 24 is elastically deformed, the sleeve 27 can be pulled back to the original position by the elastic potential energy generated after the tension spring 28 is elastically deformed, so that the third slider 29 is pulled back to the original position through the third connecting rod 34, further the pressure is consumed, and the problem that the structure is damaged due to the fact that the stress is too large is prevented from occurring.
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. Bridge structures crack dislocation expansion joint structure, including two bridge body (1), its characterized in that: the adjacent sides of the two bridge bodies (1) are respectively provided with a first groove (2), the upper surface of each bridge body (1) is provided with two first plate bodies (3), the upper surface of each first plate body (3) is provided with an expansion anchor bolt (4), the first plate bodies (3) are fixedly connected to the upper surface of each bridge body (1) through the expansion anchor bolts (4), one adjacent side of each first plate body (3) is provided with a second groove (5), the inner side wall of one second groove (5) is fixedly connected with a second plate body (6), one side, far away from one second groove (5), of each second plate body (6) is slidably connected to the inner side wall of the other second groove (5), one adjacent side of the inner wall of the other second groove (5) is provided with a first sliding chute (7), the inner side wall of the first sliding chute (7) is slidably connected with a first sliding block (8), one side of the first sliding block (8) far away from the first sliding groove (7) is welded on the outer side wall of the second plate body (6), two third plate bodies (9) are symmetrically welded on the lower surface of the first plate body (3), modified asphalt plates (10) are bonded on the sides, far away from each other, of the two third plate bodies (9), eight fourth plate bodies (11) are arranged on one adjacent side of the two bridge bodies (1), one adjacent side of the eight fourth plate bodies (11) is hinged with each other through a first pin shaft, a fifth plate body (12) is welded on one side of the fourth plate body (11) close to the third plate body (9), the fifth plate body (12) is in threaded connection with one side of the third plate body (9) far away from the modified asphalt plate (10), the upper surface of the first plate body (3) is provided with first through grooves (13) which are arranged at equal intervals, and second through grooves (16) which are arranged at equal intervals are formed in the upper surface of the second plate body (6).
2. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: the upper surface of the first plate body (3) is provided with first through holes (14) which are arranged at equal intervals, and a first filter screen (15) is bonded on the inner side wall of each first through hole (14).
3. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: the upper surface of the fourth plate body (11) is provided with second through holes (17) which are arranged at equal intervals, and a second filter screen (18) is bonded on the inner side wall of each second through hole (17).
4. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: the lower surface welding of third plate body (9) has sixth plate body (19), the lateral wall sliding connection of sixth plate body (19) is in the inside wall of first recess (2), the lower surface symmetrical welding of sixth plate body (19) has two connecting blocks (20), the lower surface welding of connecting block (20) has seventh plate body (21), third recess (22) have been seted up to the lower surface of seventh plate body (21), the inside wall sliding connection of third recess (22) has first connecting rod (23), the lateral wall cover of first connecting rod (23) is equipped with spring (24), the bottom welding of first connecting rod (23) has eighth plate body (25), the top of spring (24) welds in the lower surface of seventh plate body (21), the bottom welding of spring (24) is in the upper surface of eighth plate body (25), two second connecting rod (26) have all been welded to one side that seventh plate body (21) is adjacent, the lateral wall symmetry sliding connection of second connecting rod (26) has two sleeve pipes (27), two the welding of one side that sleeve pipe (27) are adjacent has extension spring (28), the lateral wall of second connecting rod (26) is located to extension spring (28) cover, the lower surface of sleeve pipe (27) articulates through second round pin axle has third connecting rod (34), the one end that sleeve pipe (27) were kept away from in third connecting rod (34) articulates through third round pin axle has third slider (29), the lower surface sliding connection of third slider (29) is in the upper surface of eighth plate body (25).
5. The bridge structures crack dislocation expansion joint structure of claim 4, characterized in that: second spout (30) have all been seted up to the adjacent one side of third recess (22) inner wall, the inside wall sliding connection of second spout (30) has second slider (31), one side that second spout (30) were kept away from in second slider (31) welds in the lateral wall of head rod (23), eighth plate body (25) are through rivet fixed connection in the inboard diapire of first recess (2).
6. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: and a water stop (32) is bonded on one adjacent side of the two third plate bodies (9).
7. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: and fire retardant belts (33) are bonded on one adjacent sides of the two bridge bodies (1).
8. The bridge structures crack dislocation expansion joint structure of claim 1, characterized in that: the upper surface of the first plate body (3) is bonded with an ethylene propylene diene monomer rubber plate (35), and the upper surface of the ethylene propylene diene monomer rubber plate (35) is coated with rubber asphalt concrete (36).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000141.5A CN112081005B (en) | 2020-09-22 | 2020-09-22 | Bridge structure broken joint dislocation expansion joint structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000141.5A CN112081005B (en) | 2020-09-22 | 2020-09-22 | Bridge structure broken joint dislocation expansion joint structure |
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| CN112081005A true CN112081005A (en) | 2020-12-15 |
| CN112081005B CN112081005B (en) | 2022-04-22 |
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| CN112081005B (en) | 2022-04-22 |
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