CN214459599U - Protection device for embedded steel bars of bridge expansion joint - Google Patents
Protection device for embedded steel bars of bridge expansion joint Download PDFInfo
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- CN214459599U CN214459599U CN202022943740.2U CN202022943740U CN214459599U CN 214459599 U CN214459599 U CN 214459599U CN 202022943740 U CN202022943740 U CN 202022943740U CN 214459599 U CN214459599 U CN 214459599U
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- seam crossing
- expansion joint
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Abstract
The utility model provides a protection device for pre-buried steel bars of a bridge expansion joint, which comprises a seam crossing plate, two bases and two sloping plates, wherein the two bases are oppositely arranged and are separated by a preset distance; the seam crossing plates are arranged on the two bases and have preset heights in the vertical direction; the first end of each sloping plate is arranged on the base, the second end of each sloping plate extends downwards towards the side far away from the seam crossing plate in an inclined manner, and the first end of each sloping plate is abutted to the end part of the seam crossing plate. The utility model discloses when fortune roof beam, transportation construction material, can avoid the pre-buried reinforcing bar contact of fortune roof beam car and other vehicles and expansion joint, lead to pre-buried reinforcing bar to warp or split, be favorable to playing the effect of protection pre-buried reinforcing bar.
Description
Technical Field
The utility model relates to a public road bridge roof beam engineering construction technical field specifically is a protection device who relates to a bridge expansion joint embedded reinforcement.
Background
The expansion joints of highway bridges are important components of bridge structures, and the expansion joints of bridges are usually arranged between two beam ends, between the beam ends and abutment, or at the hinged positions of the bridges in order to meet the requirements of bridge deck deformation. The expansion joint is required to freely expand and contract 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. It is necessary to prevent rainwater and soil infiltration and blocking of garbage. The installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected.
The function of the bridge expansion joints is to accommodate the displacement and coupling between the superstructure caused by vehicle loads and bridge building materials. Once the telescopic device of the skew bridge is damaged, the speed, the comfort and the safety of the vehicle are seriously influenced, and even the vehicle safety accident is caused.
In the field of bridge engineering construction at present, an effective protective measure is not taken for pre-embedded steel bars of expansion joints in the construction process, and in the process of normal construction propulsion, in order to normally erect a beam slab, pass a vehicle and transport construction materials, the measure conventionally taken is to bend or cut off the pre-embedded steel bars of contraction joints which are pre-embedded in a beam body so as to ensure that the beam transporting vehicle and other vehicles normally pass through in transportation. After the bridge deck system is constructed in the later stage, the embedded steel bars are softened and restored to the original positions, but under the condition of long-term stress, the service performance of the embedded steel bars is changed, and the construction life of the embedded steel bars cannot be guaranteed. The effect of pre-embedded steel bars cannot be exerted due to the short lap length of the repaired steel bars after the partition. Meanwhile, the restoration of the embedded steel bars requires the input of manpower, material resources and financial resources, which results in large labor input and low construction efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an avoid bridge expansion joint embedded bar to buckle or the protection device who cuts off.
In order to achieve the above object, the utility model provides a protection device for pre-buried steel bars of a bridge expansion joint, which comprises a joint-crossing plate, two bases and two sloping plates, wherein the two bases are oppositely arranged and are separated by a preset distance; the seam crossing plates are arranged on the two bases and have preset heights in the vertical direction; the first end of each sloping plate is arranged on the base, the second end of each sloping plate extends downwards towards the side far away from the seam crossing plate in an inclined manner, and the first end of each sloping plate is abutted to the end part of the seam crossing plate.
According to the above technical scheme, the utility model discloses a both sides at expansion joint width direction set up the base respectively, and erect on the base and stride the seam board, will stride seam board and roof beam face slope through the swash plate and link together, make fortune roof beam car and other vehicles from striding seam board promptly embedded bar top process, in the work progress, in fortune roof beam, during the transportation construction material, avoid fortune roof beam car and other vehicles and the embedded bar contact of expansion joint, lead to embedded bar to warp or split, be favorable to playing the effect of protection embedded bar, the protection device who adopts this embodiment need not to bend in advance or cut off embedded bar, both save time, manpower and material resources, can guarantee and maintain embedded bar's performance again.
Further, the base is detachably connected with the seam crossing plate.
The further scheme is that a first mounting groove is formed in the base, a first positioning protrusion is arranged on the cross-seam plate, and the first positioning protrusion is connected with the first mounting groove in a matched mode.
The further scheme is that a first protruding portion is arranged on the base, a first clamping groove is formed in the seam crossing plate, and the first clamping groove is connected with the first protruding portion in a matched mode.
The further proposal is that the base is detachably connected with the inclined plate.
The further scheme is that a second mounting groove is formed in the base, a second positioning protrusion is arranged on the inclined plate, and the second positioning protrusion is connected with the second mounting groove in a matched mode.
The further scheme is that a second protruding part is arranged on the base, a second clamping groove is arranged on the inclined plate, and the second clamping groove is connected with the second protruding part in a matched mode.
Further, each inclined plate comprises an inclined part and a straight part, the inclined part is hinged with the straight part, and the free end of the inclined part can rotate around the hinged end.
Further, the flat portion is disposed on the top wall of the base and flush with the seam crossing plate.
The further proposal is that the base is formed by welding two I-steel.
Drawings
Fig. 1 is a structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view at a in fig. 1.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
Referring to fig. 1 and 2, the utility model provides a protection device of bridge expansion joint embedded steel bar is including striding seam board 1, two bases 2 and two swash plates 3.
Two bases 2 set up relatively and at a distance of first preset distance, and two bases 2 set up respectively in 5 width direction's in bridge expansion joint both sides promptly, and embedded bar 6 is located between two bases 2, the utility model discloses a bridge is T roof beam 4. Stride seam board 1 and preferably the steel sheet, stride seam board 1 and set up on two bases 2, in vertical direction, stride seam board 1 and have preset height, stride the bottom wall of seam board 1 and be higher than embedded steel bar 6 promptly, and stride and have sufficient second between the diapire of seam board 1 and the roof of embedded steel bar 6 and predetermine distance H for fortune roof beam car or other vehicles walk when striding seam board 1, even stride seam board 1 and also can not collide embedded steel bar 6 because of heavily pressing the downward bending a little.
The first end of the sloping plate 3 is arranged on the base 2 and is adjacent to the end part of the seam crossing plate 1, so that the sloping plate 3 and the seam crossing plate 1 are in smooth transition; the second end of the sloping plate 3 extends obliquely downwards to the side far away from the seam crossing plate 1 and is placed on the beam surface of the T-beam 4. The swash plate 3 includes an inclined portion 31 and a flat portion 32, and the flat portion 32 is provided on the top wall of the base 2 and is flush with the upper surface of the seam crossing plate 1. The inclined portion 31 is hinged to the straight portion 32, and the free end of the inclined portion 31 can rotate around the hinged end thereof, i.e. the end of the inclined portion 31 close to the beam surface of the T-beam 4 can rotate around the hinged position of the inclined portion 31 and the straight portion 32, so as to adapt to different inclination angles.
The base 2 is detachably connected with the seam crossing plate 1 and the inclined plate 3 respectively, so that the protection device is convenient to transport and store.
In one embodiment, the base 2 is formed by welding two pieces of I-steel extending along the extension direction of the expansion joint 5, that is, two pieces of I-steel are welded together at opposite sides to form the base 2 of this embodiment. Be provided with the hole for hoist and mount on the base 2, conveniently remove base 2 to required position through the loop wheel machine. Base 2 is provided with first mounting groove 21 and second mounting groove 22 openly up, strides the diapire of seam board 1 and is provided with first location arch 11 downwards convexly, and first location arch 11 is connected with the cooperation of first mounting groove 21. The first positioning protrusion 11 is embedded in the first mounting groove 21, which is beneficial to preventing the seam crossing plate 1 from moving back and forth in the width direction of the expansion joint 5. The bottom wall of the straight portion 32 of the swash plate 3 is provided with a second positioning protrusion 33 protruding downward, and the second positioning protrusion 33 is connected with the second mounting groove 22 in a fitting manner. First location is protruding 11 and is embedded in second mounting groove 22, is favorable to avoiding swash plate 3 and the unexpected separation of base 2, improves joint strength between them. The first positioning protrusion 11 and the second positioning protrusion 33 of the present embodiment may be welded by steel bars or fixed by bolts.
In another embodiment, the top wall of the base is provided with a first projection and a second projection projecting upwardly. A first clamping groove is formed in the seam crossing plate and is connected with the first protruding portion in a matched mode. The straight portion of swash plate is provided with the second draw-in groove, and the second draw-in groove is connected with the cooperation of second bulge. The first protruding part and the second protruding part of the present embodiment can be formed by welding steel bars or fixed by bolts.
In other embodiments, the base and the seam crossing plate and the base and the inclined plate can be detachably connected through bolts.
In summary, the utility model discloses a set up the base in the both sides of expansion joint extending direction, and erect seam crossing board on the base, and will stride seam crossing board and roof beam face slope through the swash plate and link together, make fortune roof beam car and other vehicles pass through from seam crossing board promptly pre-buried reinforcing bar, when transporting the roof beam, transporting construction material, avoid fortune roof beam car and other vehicles to contact with the pre-buried reinforcing bar of expansion joint, lead to pre-buried reinforcing bar to warp or fracture, be favorable to playing the effect of protection pre-buried reinforcing bar; the protection device of this embodiment of adoption mainly is bent, is interrupted, the cutting leads to inconvenient expansion joint's installation, inconvenient bar planting, former embedded reinforcement performance impaired, later stage need input manpower, material resources, financial resources and rectifies, can not resume the performance scheduling problem of embedded reinforcement to bridge engineering expansion joint embedded reinforcement in the work progress after the bridge floor system construction finishes.
Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, and are not intended to limit the scope of the present invention, as those skilled in the art will appreciate that various changes and modifications may be made without departing from the spirit and scope of the invention, and it is intended to cover all such modifications, equivalents, and improvements as fall within the true spirit and scope of the invention.
Claims (10)
1. The utility model provides a protection device of bridge expansion joint embedded steel bar which characterized in that includes:
the two bases are oppositely arranged and have a preset distance;
the seam crossing plates are arranged on the two bases and have preset heights in the vertical direction;
the first end of each sloping plate is arranged on the base, the second end of each sloping plate extends downwards towards one side far away from the seam crossing plate in an inclined mode, and the first end of each sloping plate is abutted to the end portion of the seam crossing plate.
2. The protection device of claim 1, wherein:
the base is detachably connected with the seam crossing plate.
3. The protection device of claim 2, wherein:
the base is provided with a first mounting groove, a first positioning bulge is arranged on the seam crossing plate, and the first positioning bulge is connected with the first mounting groove in a matched mode.
4. The protection device of claim 2, wherein:
the base is provided with a first protruding portion, the seam crossing plate is provided with a first clamping groove, and the first clamping groove is connected with the first protruding portion in a matched mode.
5. The protection device of claim 1, wherein:
the base with the swash plate is detachable to be connected.
6. The protection device of claim 5, wherein:
the base is provided with a second mounting groove, the inclined plate is provided with a second positioning bulge, and the second positioning bulge is connected with the second mounting groove in a matched mode.
7. The protection device of claim 5, wherein:
the base is provided with a second bulge, the inclined plate is provided with a second clamping groove, and the second clamping groove is connected with the second bulge in a matched mode.
8. The protection device according to any one of claims 1 to 7, characterized in that:
each swash plate includes the slope portion and straight portion, the slope portion with straight portion is articulated, the free end of slope portion can be around articulated end rotation.
9. The protection device of claim 8, wherein:
the straight portion is disposed on the top wall of the base and is flush with the seam crossing plate.
10. The protection device according to any one of claims 1 to 7, characterized in that:
the base is formed by welding two I-steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943740.2U CN214459599U (en) | 2020-12-10 | 2020-12-10 | Protection device for embedded steel bars of bridge expansion joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022943740.2U CN214459599U (en) | 2020-12-10 | 2020-12-10 | Protection device for embedded steel bars of bridge expansion joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214459599U true CN214459599U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022943740.2U Active CN214459599U (en) | 2020-12-10 | 2020-12-10 | Protection device for embedded steel bars of bridge expansion joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214459599U (en) |
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2020
- 2020-12-10 CN CN202022943740.2U patent/CN214459599U/en active Active
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