CN210458928U - Bridge telescoping device and bridge - Google Patents
Bridge telescoping device and bridge Download PDFInfo
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- CN210458928U CN210458928U CN201920889673.5U CN201920889673U CN210458928U CN 210458928 U CN210458928 U CN 210458928U CN 201920889673 U CN201920889673 U CN 201920889673U CN 210458928 U CN210458928 U CN 210458928U
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Abstract
The utility model discloses a bridge expansion device and a bridge, which comprises two fixed steel plates arranged at intervals and a water stop strip connected between the two fixed steel plates; at least one anchoring steel bar is arranged on the outer side of each fixed steel plate; the water stop strip comprises a U-shaped main body with a U-shaped groove, and a protective baffle is arranged on the inner surface of each fixed steel plate facing the U-shaped main body; the lower end of each protection baffle is located below the U-shaped main body, the U-shaped main bodies are located between the two protection baffles, and a preset distance is reserved between each U-shaped main body and each protection baffle. The utility model discloses a bridge telescoping device and bridge through arranging U type main part between two protection baffle, can stop the roof beam body, stone and concrete etc. avoids its flexible deformation that invades influence U type main part to both can protect the sealing rod, can guarantee again that the sealing rod can normally warp in order to adapt to the flexible deformation of bridge.
Description
Technical Field
The utility model relates to a bridge builds technical field, especially relates to a bridge telescoping device and bridge.
Background
In order to meet the requirement of deformation of the bridge body, gaps are reserved between the bridge beam ends, so that accumulated water and sundries mixed with the accumulated water enter the bridge floor through the beam gaps, the bridge body, supports and other facilities are corroded, the stability of the bridge is damaged, and the durability of the bridge is influenced. In order to solve the problems, a bridge expansion device is arranged between bridge beam joints in the industry, so that accumulated water and sundries mixed with the accumulated water are prevented from entering the bridge floor to influence the bridge. The bridge expansion device is an important connecting part between bridge beam ends, plays an important role in expansion and contraction of bridge end parts and waterproof performance, and directly influences the durability of a bridge due to the quality and the waterproof performance of the bridge expansion device.
Install the section bar earlier when the bridge telescoping device that uses now installs, installation template behind the fixed profile, then pour the concrete to the mounting groove in, the template main function prevents that the concrete from flowing from section bar bottom surface and mounting groove upper surface space, waits to install the rubber seal area again after the concrete maintenance is accomplished.
Because a template needs to be specially erected during construction, the construction procedure is complex and the efficiency is low; after the template is taken down, some redundant stones or concrete may flow down from the gap when the template is taken down to enter the gap of the bridge, and the expansion and contraction of the water stop strip may be influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a need not to prop up specially and establish template, bridge telescoping device and bridge of convenient construction.
The technical scheme of the utility model provides a bridge expansion device, which comprises two fixed steel plates arranged at intervals and a water stop strip connected between the two fixed steel plates;
at least one anchoring steel bar is arranged on the outer side of each fixed steel plate;
the water stop strip comprises a U-shaped main body with a U-shaped groove, and connecting flanges extend from the top of the U-shaped main body towards the sides of the fixed steel plates on the two sides respectively;
a pressing plate is arranged on each fixed steel plate, and each connecting flanging is fastened between the pressing plate and the fixed steel plate respectively;
the pressing plate, the connecting flanging and the fixed steel plate on each side are fastened together through connecting bolts;
wherein a protective baffle is respectively arranged on the inner surface of each fixed steel plate facing the U-shaped main body;
the lower end of each protection baffle is located below the U-shaped main body, the U-shaped main bodies are located between the two protection baffles, and a preset distance is reserved between each U-shaped main body and each protection baffle.
Further, an extension plate extending towards the U-shaped main body is further arranged at the lower end of the protection baffle.
Further, the protective baffle is mounted on the inner surface of the fixing steel plate by a stainless steel bolt.
Further, the fixing steel plate includes a steel plate main body;
a baffle mounting plane is arranged on the inner surface of the steel plate main body;
a baffle limiting bulge part is arranged on the steel plate main body and positioned above the baffle mounting plane and extends towards the U-shaped main body;
the protective baffle plate is attached to and fastened to the baffle plate mounting plane on the steel plate main body, and the top end of the protective baffle plate is in contact with the baffle plate limiting protruding portion.
Furthermore, a flanging installation plane is also arranged on the top surface of the steel plate main body;
a pressing plate limiting protruding part is further upwards extended on the outer side of the flanging mounting plane on the steel plate main body;
the connecting flanging is arranged on the flanging installation plane, and the end part of the connecting flanging and the end part of the pressing plate are respectively contacted with the limiting convex part of the pressing plate;
the steel plate main body, the connecting flanging and the pressing plate are fastened together through connecting bolts.
Furthermore, a rubber sealing strip is arranged between the fixed steel plate and the connecting flanging.
Further, the water stop strip comprises an upper shell and a lower shell in butt joint with the upper shell, and a hollow space is formed between the upper shell and the lower shell.
Further, a plurality of reinforcing support members are connected between the upper shell and the lower shell.
Furthermore, the protective baffle comprises a beam connecting plate, and the beam connecting plate is positioned below the fixed steel plate;
and one side of the beam connecting plate back to the U-shaped main body is provided with a plurality of barbs.
The technical scheme of the utility model also provides a bridge, which comprises two sections of beam bodies arranged at intervals, and a gap is formed between the two sections of beam bodies;
concrete layers are respectively poured above each section of the beam body;
the bridge also comprises a bridge expansion device in any one of the technical schemes;
two fixed steel plates in the bridge expansion device are respectively anchored in the concrete layers on two sides through the anchoring steel bars;
the two protective baffles are respectively contacted with the concrete layer and the surface of the beam body in the gap, and the U-shaped main body is positioned between the two protective baffles;
transverse supporting steel bars are arranged in the concrete layer along the horizontal direction, and the transverse supporting steel bars are supported below the anchoring steel bars;
still be provided with the vertical spacing reinforcing bar that extends along the vertical direction in the concrete layer, vertical spacing reinforcing bar is located one side of anchor reinforcing bar, and with anchor reinforcing bar contact.
By adopting the technical scheme, the method has the following beneficial effects:
the utility model provides a bridge telescoping device and bridge through set up protection baffle on every fixed steel sheet respectively, arranges U type main part two between the protection baffle, need not to prop up specially when the construction and establish the template, after having fixed steel sheet, protection baffle, sealing rod integral erection, can replace the template through protection baffle, when concreting, the concrete is blocked by protection baffle, plays the template effect, convenient construction.
Can also block the roof beam body, stone and concrete etc. through setting up protection baffle, avoid its invasion to influence the flexible deformation of U type main part to both can protect the sealing rod, can guarantee again that the sealing rod can normally warp in order to adapt to the flexible deformation of bridge.
Drawings
Fig. 1 is a schematic structural view of a bridge expansion device according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the connection of the fixing steel plate, the water stop bar and the pressing plate;
fig. 3 is a schematic structural view of a bridge expansion device according to another embodiment of the present invention;
FIG. 4 is a schematic structural view of a water stop bar;
FIG. 5 is a side view of the steel plate;
FIG. 6 is a partial enlarged view of the connection of the pressing plate, the fixing steel plate, the connecting flange and the rubber sealing strip;
FIG. 7 is a schematic view of a waterstop formed by the mating of an upper shell and a lower shell;
FIG. 8 is a schematic view of a plurality of beam connectors disposed on the back of a beam connector plate;
fig. 9 is a top view of a bridge according to an embodiment of the present invention;
fig. 10 is a cross-sectional view of the bridge shown in fig. 9.
Detailed Description
The following describes the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1-4, an embodiment of the present invention provides a bridge expansion device, which includes two fixed steel plates 1 arranged at intervals and a water stop bar 2 connected between the two fixed steel plates 1.
At least one anchoring steel bar 3 is respectively arranged on the outer side of each fixed steel plate 1.
The water stop strip 2 comprises a U-shaped main body 21 with a U-shaped groove 20, and connecting flanges 22 respectively extend from the top of the U-shaped main body 21 towards the sides of the fixing steel plates 1 on the two sides.
A pressing plate 4 is arranged on each fixed steel plate 1, and each connecting flanging 22 is fastened between the pressing plate 4 and the fixed steel plate 1 respectively.
The pressing plate 4, the connecting flange 22 and the fixing steel plate 1 on each side are fastened together by the connecting bolt 6.
Wherein a protective baffle 5 is respectively arranged on the inner surface of each fixed steel plate 1 facing the U-shaped main body 21.
The lower extreme of protection baffle 5 is located the below of U type main part 21, and U type main part 21 is located between two protection baffle 5, and there is the preset distance at the interval between U type main part 21 and the protection baffle 5.
The utility model provides a water stop strip's middle part has kink or U type groove 20, from this, when the bridge is flexible, this kink or U type groove 20 can be corresponding the flexible of emergence deformation in order to adapt to the bridge.
The fixed steel plates 1 are in a long strip shape, and the two fixed steel plates 1 are arranged at intervals to form a certain gap between the two fixed steel plates.
A pressing plate 4 is attached to the upper surface of the fixed steel plate 1 by a connecting bolt 6. The outside of fixed steel sheet 1 is provided with anchor reinforcing bar 3, and it is used for the anchor in the concrete of bridge, realizes firm installation.
The water stop 2 is a water stop for retaining water in bridge design, and can be a metal water stop, such as a steel strip water stop, a brass water stop, or an aluminum strip water stop. The water stop strip can also adopt a polyurethane water stop strip.
The water stop strip 2 comprises a U-shaped body 21 having a U-shaped groove 20, the opening of the U-shaped groove 20 facing upwards. The connecting flanges 22 are connected to both sides of the U-shaped body 21, which extend toward the fixed steel plate 1 side. During assembly, the connecting flange 22 is pressed against the top surface of the fixed steel plate 1 through the pressing plate 4, and then the pressing plate 4 is fastened to the fixed steel plate 1 through the connecting bolt 6, so that the connecting flange 22 is fastened between the fixed steel plate 1 and the pressing plate 4.
In order to protect the U-shaped body 21, a protective baffle 5 is provided on the inner surface (surface facing the U-shaped body 21) of each of the fixed steel plates 1.
The upper end of the protective baffle 5 is connected to the fixed steel plate 1, the lower end of the protective baffle 5 extends downwards, and the lower end of the protective baffle 5 is lower than the bottom plate of the U-shaped main body 21, so that the lower end of the protective baffle 5 is located below the U-shaped main body 21. The U-shaped main body 21 is arranged between the two protective baffle plates 5, and a preset distance is reserved between the side plates on two sides of the U-shaped main body 21 and the protective baffle plates 5 on two sides.
Need not to prop up specially and establish the template during the construction, after will fixing steel sheet 1, protection baffle 5, 2 integral erection of stagnant water strip, can replace the template through protection baffle 5, during concreting, the concrete is blocked by protection baffle 5, plays the template effect, convenient construction.
Can block the roof beam body, stone and concrete etc. through protection baffle, avoid its invasion to influence the flexible deformation of U type main part to both can protect the sealing rod, can guarantee again that the sealing rod can normally warp in order to adapt to the flexible deformation of bridge.
Preferably, as shown in fig. 3, an extension plate 52 extending toward the U-shaped body 21 is further provided at the lower end of the protective barrier 5. Extension board 52 integrated into one piece is on the lower extreme of protection baffle 5 to extend towards the gap between two fixed steel sheet 1 in, it is also that extension board 52 extends towards the direction of U type main part 21, closes up in the bottom of U type main part 21, and extension board 52 plays the guide effect, is convenient for install protection baffle 5 in place, in order to play the effect of template and protection.
Preferably, as shown in fig. 3, the protective barrier 5 is mounted on the inner surface of the fixed steel plate 1 by stainless steel bolts 50, and the stainless steel bolts 50 are durable and are not replaced.
Preferably, as shown in fig. 1 to 6, the fixing steel plate 1 includes a steel plate body 11. A baffle installation plane 12 is provided on the inner surface of the steel plate body 11. The steel plate main body 11 is also provided with a baffle limiting protruding part 13 extending towards the direction of the U-shaped main body 21 above the baffle mounting plane 12. The protective baffle 5 is attached to the baffle mounting plane 12 and fastened on the steel plate main body 11, and the top end of the protective baffle 5 is in contact with the baffle limiting protruding part 13.
The flapper mounting plane 12 is provided on the inner surface of the steel plate body 11, and the flapper spacing boss 13 is located above the flapper mounting plane 12. The baffle plate stopper protrusion 13 is integrally formed on the steel plate body 11, and protrudes and extends toward the U-shaped body 21.
During the equipment, the back and the laminating of baffle mounting plane 12 of protection baffle 5, the fastening of protection baffle 5 accessible fastening bolt 50 is on steel sheet main part 11, and the top of protection baffle 5 contacts with the spacing bellying 13 of baffle to can be spacing to protection baffle 5, avoid its rebound, still easy to assemble.
Preferably, as shown in fig. 1 to 6, a burring attachment plane 14 is further provided on the top surface of the steel plate body 11. And a pressing plate limiting convex part 15 extends upwards from the outer side of the flanging installation plane 14 on the steel plate main body 11. The connecting flange 22 is arranged on the flange mounting plane 14, and the end part of the connecting flange 22 and the end part of the pressure plate 4 are respectively contacted with the pressure plate limiting bulge part 15. The steel plate main body 11, the connecting flange 22 and the pressure plate 4 are fastened together by the connecting bolt 6.
The burring attachment plane 14 is provided on the top surface of the steel plate body 11. The pressing plate limiting boss 15 is integrally formed at the top of the steel plate main body 11, is located on the outer side of the flanging installation plane 14 and extends upwards.
During the equipment, will connect turn-ups 22 laminating on turn-ups mounting surface 14 to the tip of making to connect turn-ups 22 and the tip of clamp plate 4 respectively with the spacing bellying 15 contact of clamp plate, then through connecting bolt 6 with steel sheet main part 11, connect turn-ups 22 and clamp plate 4 fastening together, can improve the stability of being connected between steel sheet main part 11, connection turn-ups 22 and the clamp plate 4, avoid connecting turn-ups 22, clamp plate 4 outwards removes.
Preferably, as shown in fig. 6, a rubber seal 7 is provided between the fixing steel plate 1 and the connecting flange 22. During assembly, the rubber sealing strip 7 is arranged on the top surface of the fixed steel plate 1, the connecting flanging 22 is tightly pressed on the rubber sealing strip 7, and the pressing plate 4 is tightly pressed on the connecting flanging 22, so that the sealing performance is improved, and the connecting flanging 22 can be prevented from being damaged due to clamping.
Specifically, the rubber weather strip 7 is mounted on the burring mounting plane 14.
Preferably, as shown in fig. 7, the water stop strip 2 includes an upper shell 23 and a lower shell 24 abutting the upper shell 23, and a hollow space 25 is formed between the upper shell 23 and the lower shell 24. By providing the water stop 2 to be composed of the upper casing 23 and the lower casing 24 so that the hollow space 25 is formed between the upper casing 23 and the lower casing 24, the structural weight can be reduced. The upper shell 23 and the lower shell 24 may be integrally formed by casting or may be butt-jointed by welding. When sharp rubble falls into in the U type groove 20, probably cause the damage to sealing rod 2, and set up sealing rod 2 into to constitute by upper casing 23 and lower floor's casing 24, even fall into sharp rubble in the U type groove 20, also only cause the damage to upper casing 23, can not influence lower floor's casing 24, the lower floor can 24 also play the stagnant water effect.
Preferably, as shown in fig. 7, a plurality of reinforcing supporters 26 are connected between the upper case 23 and the lower case 24 to improve the connection strength and structural stability between the upper case 23 and the lower case 24.
Preferably, as shown in fig. 2 and 8, the protective barrier 5 includes a beam connecting plate 51, and the beam connecting plate 51 is located below the fixed steel plate 1.
The beam connecting plate 51 is provided with a plurality of barbs 53 on the side facing away from the U-shaped body 21. When the beam or the concrete is poured, the barb 53 is buried in the beam or the concrete, so that the beam connecting plate 51 is fastened on the beam or the concrete, and the connection stability is improved.
As shown in fig. 9-10, an embodiment of the present invention provides a bridge, which includes two spaced beam bodies 8, and a gap 80 is formed between the two beam bodies 8. Concrete layers 81 are respectively poured above each section of the beam body 8.
The bridge further comprises a bridge expansion device as described in any of the previous embodiments.
Two fixed steel plates 1 in the bridge expansion device are respectively anchored in concrete layers 81 on two sides through anchoring steel bars 3.
The two protective barriers 5 are respectively contacted with the concrete layer 81 and the surface of the beam body 8 in the gap 80, and the U-shaped main body 21 is positioned between the two protective barriers 5.
In the concrete layer 81, lateral support bars 82 are arranged in a horizontal direction, and the lateral support bars 82 are supported below the anchoring bars 3.
Vertical limiting steel bars 83 extending along the vertical direction are further arranged in the concrete layer 81, and the vertical limiting steel bars 83 are located on one side of the anchoring steel bars 3 and are in contact with the anchoring steel bars 3.
The utility model provides a bridge mainly comprises two sections roof beam bodies 8 and the bridge telescoping device that the interval set up.
For the structure, structure and operation principle of the bridge expansion device, please refer to the above description of the bridge expansion device, which is not repeated herein.
A gap 80 is formed between the two sections of beam bodies 8 which are arranged at intervals, a concrete layer 81 is arranged at the top of each section of beam body 8, and transverse supporting steel bars 82 and vertical limiting steel bars 83 are embedded in the concrete layer 81.
One fixed steel plate 1 in the bridge expansion device is anchored in the concrete layer 81 on one side through the anchoring steel bars 3, and the other fixed steel plate 1 is anchored in the concrete layer 81 on the other side through the anchoring steel bars 3. The protective baffle 5 is located in the gap 80, and is fastened or attached or contacted with the concrete layer 81 and the surface of the beam body 8, so as to prevent broken stones or concrete from falling into the gap 80 to affect the performance of the water stop 2.
The connecting flanges 22 at the two ends of the water stop bar 2 are respectively connected between the fixed steel plates 1 at the two sides and the pressing plate 4. The U-shaped main body 21 is positioned between the two protective baffle plates 5, and a certain distance is arranged between the U-shaped main body 21 and the protective baffle plates 5 on two sides. The U-shaped groove 20 is used for bearing accumulated water, so that rainwater is prevented from seeping into the beam body. And U type main part 21 still has deformability, and when the roof beam body 8 or the concrete layer 81 of both sides took place expend with heat and contract with cold, U type main part 21 can make corresponding deformation in order to adapt to the flexible of bridge.
The lateral support bar 82 extends in the horizontal direction, and the extending direction thereof is parallel to the extending direction of the elongated fixing steel plate 1, and the lateral support bar 82 is located below the anchor bar 3. The transverse supporting steel bars 82 are pre-embedded in the concrete layer 81 and used for supporting the anchoring steel bars 3 and providing stress supporting points for the anchoring steel bars 3.
Vertical spacing reinforcing bar 83 extends in the vertical direction, and it is located one side of anchor reinforcing bar 3 to contact with anchor reinforcing bar 3, avoid anchor reinforcing bar 3 to remove, improve bridge structures's stability.
According to the needs, the above technical schemes can be combined to achieve the best technical effect.
What has been described above is merely the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, on the basis of the principle of the present invention, several other modifications can be made, and the protection scope of the present invention should be considered.
Claims (10)
1. A bridge expansion device is characterized by comprising two fixed steel plates arranged at intervals and a water stop strip connected between the two fixed steel plates;
at least one anchoring steel bar is arranged on the outer side of each fixed steel plate;
the water stop strip comprises a U-shaped main body with a U-shaped groove, and connecting flanges extend from the top of the U-shaped main body towards the sides of the fixed steel plates on the two sides respectively;
a pressing plate is arranged on each fixed steel plate, and each connecting flanging is fastened between the pressing plate and the fixed steel plate respectively;
the pressing plate, the connecting flanging and the fixed steel plate on each side are fastened together through connecting bolts;
wherein a protective baffle is respectively arranged on the inner surface of each fixed steel plate facing the U-shaped main body;
the lower end of each protection baffle is located below the U-shaped main body, the U-shaped main bodies are located between the two protection baffles, and a preset distance is reserved between each U-shaped main body and each protection baffle.
2. The bridge expansion device of claim 1, wherein an extension plate extending toward the U-shaped body is further provided at the lower end of the protective barrier.
3. The bridge expansion device of claim 1, wherein said protective barrier is mounted on the inner surface of said fixed steel plate by stainless steel bolts.
4. A bridge expansion device according to any one of claims 1-3, wherein said fixed steel plate comprises a steel plate body;
a baffle mounting plane is arranged on the inner surface of the steel plate main body;
a baffle limiting bulge part is arranged on the steel plate main body and positioned above the baffle mounting plane and extends towards the U-shaped main body;
the protective baffle plate is attached to and fastened to the baffle plate mounting plane on the steel plate main body, and the top end of the protective baffle plate is in contact with the baffle plate limiting protruding portion.
5. The bridge expansion device of claim 4, wherein a flange mounting plane is further arranged on the top surface of the steel plate main body;
a pressing plate limiting protruding part is further upwards extended on the outer side of the flanging mounting plane on the steel plate main body;
the connecting flanging is arranged on the flanging installation plane, and the end part of the connecting flanging and the end part of the pressing plate are respectively contacted with the limiting convex part of the pressing plate;
the steel plate main body, the connecting flanging and the pressing plate are fastened together through connecting bolts.
6. The bridge expansion device of claim 1, wherein a rubber sealing strip is arranged between the fixed steel plate and the connecting flange.
7. The bridge expansion device of claim 1, wherein the water stop bar comprises an upper shell and a lower shell abutting against the upper shell, and a hollow space is formed between the upper shell and the lower shell.
8. The bridge expansion device of claim 7, wherein a plurality of reinforcing supports are connected between the upper and lower housings.
9. The bridge expansion device of claim 1, wherein the protective baffle comprises a beam connecting plate, and the beam connecting plate is located below the fixed steel plate;
and one side of the beam connecting plate back to the U-shaped main body is provided with a plurality of barbs.
10. A bridge comprises two sections of beam bodies which are arranged at intervals, wherein a gap is formed between the two sections of beam bodies;
concrete layers are respectively poured above each section of the beam body;
characterised in that the bridge further comprises a bridge expansion device according to any one of claims 1 to 9;
two fixed steel plates in the bridge expansion device are respectively anchored in the concrete layers on two sides through the anchoring steel bars;
the two protective baffles are respectively contacted with the concrete layer and the surface of the beam body in the gap, and the U-shaped main body is positioned between the two protective baffles;
transverse supporting steel bars are arranged in the concrete layer along the horizontal direction, and the transverse supporting steel bars are supported below the anchoring steel bars;
still be provided with the vertical spacing reinforcing bar that extends along the vertical direction in the concrete layer, vertical spacing reinforcing bar is located one side of anchor reinforcing bar, and with anchor reinforcing bar contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889673.5U CN210458928U (en) | 2019-06-13 | 2019-06-13 | Bridge telescoping device and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920889673.5U CN210458928U (en) | 2019-06-13 | 2019-06-13 | Bridge telescoping device and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210458928U true CN210458928U (en) | 2020-05-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920889673.5U Active CN210458928U (en) | 2019-06-13 | 2019-06-13 | Bridge telescoping device and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210458928U (en) |
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2019
- 2019-06-13 CN CN201920889673.5U patent/CN210458928U/en active Active
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