CN210737355U - Expansion joint of riding seam reinforced multidirectional displacement comb plate - Google Patents
Expansion joint of riding seam reinforced multidirectional displacement comb plate Download PDFInfo
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- CN210737355U CN210737355U CN201921420298.6U CN201921420298U CN210737355U CN 210737355 U CN210737355 U CN 210737355U CN 201921420298 U CN201921420298 U CN 201921420298U CN 210737355 U CN210737355 U CN 210737355U
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Abstract
The utility model relates to a perforation stiffening type multidirectional shifting fishback expansion joint, including main toothed plate, vice toothed plate, the broach of main toothed plate and vice toothed plate intercrosses and has the gap, and lies in the gap top between the first bridge girder body and the second bridge girder body, and the bottom of main toothed plate and vice toothed plate is fixed with a plurality of first stiffening plates respectively, and every first stiffening plate stretches over the position that sets up at every broach of main toothed plate and vice toothed plate, inserts respectively between each first stiffening plate that lies in main toothed plate and vice toothed plate bottom and is fixed with the second stiffening plate; one end of each first stiffening plate is provided with a through rib penetrating hole, each rib penetrating hole is provided with a connecting rib for connecting each first stiffening plate, one side of each first stiffening plate is provided with a stiffening pull ring, and one side of each first stiffening plate is provided with an anchor ring; one side of the main toothed plate and one side of the auxiliary toothed plate are respectively provided with a leveling block. The utility model discloses simple structure, increase pinion rack intensity, extension expansion joint life.
Description
Technical Field
The utility model relates to a bridge building technical field especially relates to a multi-directional fishback expansion joint that shifts of riding seam stiffening type.
Background
In order to meet the requirement of bridge body deformation, bridge expansion joints are generally arranged between two beam ends of a bridge, between the beam ends and an abutment or on the hinged position of the bridge, and along with the development of road transportation, the road traffic volume and the automobile load are increasingly large, and the requirements on various performances of the expansion of the road bridge are continuously improved.
At present, the assembled expansion joint produced in the same field has the following defects: 1. for the seam crossing plate with large displacement, when the vehicle is over-limited, the tooth part of the toothed plate is easy to deform or even damage because of the suspension without a bearing part because the vehicle is overweight, and traffic accidents are very easy to cause. 2. Generally adopt the bolt to fix pinion rack and bridge roof beam body, when the vehicle passes through, the bolt is under the shearing force effect, and the easy pine takes off the thread slipping, causes the pinion rack perk, drops, causes the traffic accident. 3. The fishback has the multilayer fishback stack to assemble to form when the installation, and current fishback needs the staff to align each corner between adjacent two-layer fishback and just can guarantee the alignment between the adjacent fishback when the installation, and this kind of mode leads to the fishback installation miscellaneous, reduces fishback installation effectiveness and leveling effect poor.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a perforation stiffening type multidirectional fishback expansion joint that shifts of simple structure, increase pinion rack intensity, extension expansion joint life.
The utility model relates to a perforation stiffening type multidirectional shifting comb plate expansion joint, which comprises a main toothed plate and an auxiliary toothed plate, wherein the main toothed plate is arranged on a first bridge beam body, the auxiliary toothed plate is arranged on a second bridge beam body, the comb teeth of the main toothed plate and the auxiliary toothed plate are mutually crossed and have a gap and are positioned above the gap between the first bridge beam body and the second bridge beam body,
a plurality of first stiffening plates are respectively fixed at the bottoms of the main toothed plate and the auxiliary toothed plate, each first stiffening plate is arranged at the position of each comb tooth of the main toothed plate and the auxiliary toothed plate in a crossing manner, and a second stiffening plate is respectively inserted and fixed between the first stiffening plates at the bottoms of the main toothed plate and the auxiliary toothed plate;
one end of each first stiffening plate is provided with a through rib penetrating hole, each rib penetrating hole is provided with a connecting rib for connecting each first stiffening plate, and one side of each first stiffening plate is provided with a stiffening pull ring;
one side of each first stiffening plate is provided with an anchor ring;
and leveling blocks are respectively arranged on one side of the main toothed plate and one side of the auxiliary toothed plate.
Preferably, the second stiffener is provided with a plurality of slots, and each first stiffener is inserted and fixed in the slot.
In any of the above embodiments, the first stiffener plate and the second stiffener plate are preferably disposed perpendicular to each other.
In any of the above solutions, preferably, both ends of the bottom of the first stiffening plate are provided with cut edges.
In any of the above embodiments, preferably, the anchor ring is disposed at a middle lower portion of the first stiffener plate.
In any of the above schemes, preferably, concrete pouring observation ports are respectively arranged on both sides of the main toothed plate and the auxiliary toothed plate.
In any of the above schemes, preferably, the first stiffening plate, the second stiffening plate, the stiffening pull ring, the anchor ring and the connecting rib are all made of steel.
Compared with the prior art, the utility model has the advantages and beneficial effects do:
1. through being provided with first stiffening plate, second stiffening plate, splice bar, anchor ring and the pull ring of putting more energy into in the below of each pinion rack, strengthen the overall structure intensity of each pinion rack, can bear the weight of overrun vehicle through, reduce the deformation and the damage of each pinion rack. Specifically, through being equipped with first stiffening plate on the full size scope of each pinion rack, both strengthened the bearing capacity of main pinion rack and auxiliary tooth board, also strengthen the broach intensity of main pinion rack and auxiliary tooth board, can ensure that concrete on the bridge takes place under the damaged condition, each pinion rack can not damage. The second stiffening plates are arranged between the first stiffening plates through insertion, and the first stiffening plates are mutually connected, so that the strength of the plate surface of each toothed plate and the strength of the tooth parts of the comb teeth are enhanced, the bearing capacity of each toothed plate is further enhanced, meanwhile, the firmness of each toothed plate after concrete pouring is ensured by the second stiffening plates, and the service life and the fastening quality of the expansion joint are increased. The first stiffening plates are connected by the connecting ribs penetrating through the rib penetrating holes arranged on each first stiffening plate, so that the firmness between each toothed plate and each first stiffening plate is enhanced. Through be equipped with the stiffening pull ring of putting more energy into in one side of every first stiffening plate, the anchor ring, the stiffening pull ring is fixed on each bridge girder body with the anchor ring after concrete placement for the pinion rack is when meetting the broach tooth portion of transfinite vehicle through each pinion rack, because each pinion rack can the up-movement, the concrete then can be held with the anchor ring to the stiffening pull ring, provides decurrent ground-holding power from this, prevents that each pinion rack is not hard up, the perk, thereby improve the overall structure fastness of broach expansion joint.
2. The mode that each pinion rack fastens through the bolt has been cancelled, makes each pinion rack can not cause the condition such as bolt fracture because of the horizontal shear force effect that the vehicle produced through on the bolt.
3. Through being equipped with leveling piece, the staff only needs to align it with the leveling piece on each pinion rack when the equipment, can guarantee to align the installation between the adjacent layer pinion rack, reduces and has overcome the problem that is difficult to the leveling installation between the adjacent pinion rack when the pinion rack is installed, simplifies pinion rack installation step, improves fishback installation efficiency, simultaneously when lining up because the area of leveling piece is little, the staff only need stand compare at a certain fixed position can, need not to make a round trip to walk.
The expansion joint of the multi-directional shifting comb plate with reinforced riding seam is further explained with reference to the accompanying drawings.
Drawings
FIG. 1 is a top view of the expansion joint of the multi-directional shifting comb plate with reinforced riding seams of the present invention;
FIG. 2 is a cross-sectional view of the expansion joint of the multi-directional shifting comb plate with reinforced riding seams of the utility model along the A-A direction;
FIG. 3 is a structural diagram of a second stiffening plate in the expansion joint of the riding seam stiffening type multi-directional shifting comb plate of the utility model;
wherein: 1. a main toothed plate; 2. an auxiliary toothed plate; 3. a first stiffener plate; 4. a second stiffener plate; 5. a stiffening pull ring; 6. perforating the rib holes; 7. an anchor ring; 8. a leveling block; 9. and pouring concrete into the observation port.
Detailed Description
As shown in fig. 1-2, the utility model relates to a perforation stiffening type multidirectional fishback expansion joint that shifts, including main toothed plate 1, vice toothed plate 2, the installation of main toothed plate 1 is on first bridge beam body, the installation of vice toothed plate 2 is on second bridge beam body, main toothed plate 1 and the broach of vice toothed plate 2 intercross and have the gap, and be located the gap top between first bridge beam body and the second bridge beam body, main toothed plate 1 is fixed with a plurality of first stiffening plates 3 respectively with the bottom of vice toothed plate 2, every first stiffening plate 3 spanes and sets up at every broach position of main toothed plate 1 and vice toothed plate 2, insert respectively between each first stiffening plate 3 that is located main toothed plate 1 and vice toothed plate 2 bottom and be fixed with second stiffening plate 4; one end of each first stiffening plate 3 is provided with a through rib penetrating hole 6, each rib penetrating hole 6 is provided with a connecting rib for connecting each first stiffening plate 3, one side of each first stiffening plate 3 is provided with a stiffening pull ring 5, and one side of each first stiffening plate 3 is provided with an anchor ring 7.
Wherein, the first stiffening plate 3, the second stiffening plate 4 and the comb teeth, the first stiffening plate 3 and the second stiffening plate 4, and the first stiffening plate 3 are respectively fixedly connected with the stiffening pull ring 5 and the anchor ring 7 by welding.
This embodiment is provided with first stiffening plate 3, second stiffening plate 4, splice bar, anchor ring 7 and the pull ring 5 of putting more energy into through the below at each pinion rack, strengthens the overall structure intensity of each pinion rack, can bear the weight of overrun vehicle when passing through, reduces the deformation and the damage of each pinion rack. Specifically, the first stiffening plates 3 are arranged in the full-size range of each toothed plate, so that the bearing capacity of the main toothed plate 1 and the auxiliary toothed plate 2 is enhanced, the strength of the comb teeth of the main toothed plate 1 and the auxiliary toothed plate 2 is enhanced, the condition that when an overrun vehicle passes through a bridge to cause concrete damage on the surface of the bridge, pits appear on the surface of the bridge, the whole bearing capacity of the bridge is uneven, and only expansion joints are stressed is avoided,
prevent that each pinion rack from damaging, guarantee bridge overall structure intensity and the life at extension expansion joint. Second stiffening plate 4 is equipped with through inserting between each first stiffening plate 3, with each first stiffening plate 3 interconnect to strengthen each pinion rack face and the intensity of broach tooth portion, and then strengthen each pinion rack's bearing capacity, second stiffening plate 4 has guaranteed the fastness of each pinion rack after concrete placement simultaneously, has increased the life and the fastening quality at expansion joint. Each first stiffening plate 3 is provided with a rib penetrating hole 6, and the connecting rib penetrates through the rib penetrating hole 6 to connect the first stiffening plates 3, so that the firmness between each toothed plate and the first stiffening plate 3 is enhanced. Through be equipped with stiffening pull ring 5 in one side of every first stiffening plate 3, anchor ring 7, stiffening pull ring 5 and anchor ring 7 are fixed on each bridge girder body after concrete placement, make the pinion rack when meetting the broach tooth portion of transfinite vehicle through each pinion rack, because each pinion rack can the upward movement, stiffening pull ring 5 and anchor ring 7 then can hold the concrete, provide decurrent land fertility of grabbing from this, prevent that each pinion rack is not hard up, the perk, thereby improve the overall structure fastness at the pinion rack expansion joint.
The mode that each pinion rack fastens through the bolt has been cancelled to this embodiment, makes each pinion rack can not cause the condition such as bolt fracture because of the horizontal shear force effect that the vehicle produced through on the bolt.
This embodiment can realize the multidirectional requirement that shifts through adopting the perforation formula pinion rack structure, promptly the expansion joint can satisfy the three-dimensional requirement that shifts of bridge, has improved the adaptability of fishback to various application scenes greatly for use more extensively.
One side of the main toothed plate 1 and one side of the auxiliary toothed plate 2 are respectively provided with a leveling block 8, and the leveling blocks 8 are welded and fixed on the toothed plates. Each pinion rack is formed by the stack equipment of multilayer pinion rack when the installation, through being equipped with leveling piece 8, the staff only needs to align it with leveling piece 8 on each pinion rack when the equipment, can guarantee to align the installation between the adjacent layer pinion rack, reduce and overcome the problem that is difficult to the leveling installation between the adjacent pinion rack when the pinion rack is installed, simplify pinion rack installation step, improve the fishback installation efficiency, because leveling piece 8's area is little when aligning simultaneously, the staff only need stand compare at a certain fixed position can, need not to make a round trip to walk.
Further, as shown in fig. 3, a plurality of slots are formed in the second stiffener 4, and each first stiffener 3 is inserted and fixed in the slot.
Further, the first stiffening plates 3 and the second stiffening plates 4 are perpendicular to each other, so that the stability of the connection structure between the first stiffening plates 3 and the second stiffening plates 4 is ensured, and the connection strength between the first stiffening plates 3 and the second stiffening plates 4 is enhanced.
Further, both ends of the bottom of the first stiffening plate 3 are provided with cut edges, so that the first stiffening plate 3 can be better fused with poured concrete, and the structural stability between the first stiffening plate 3 and each bridge body is ensured.
Further, an anchor ring 7 is provided at the lower middle portion of the first stiffener plate 3. By changing the mounting and welding positions of the anchor ring 7, the defects of few welding parts and shallow depth of the anchor ring 7 of products in the same field are overcome. This embodiment is through fixing anchor ring 7 in the well lower part of first stiffening plate 3, increases the welding area between anchor ring 7 and the first stiffening plate 3, and anchor ring 7 inserts the position of bridge beam body more deeply simultaneously to let each pinion rack can bear bigger, more load in the course of the work, provide better fastness can, each pinion rack life has been improved indirectly, the pinion rack perk scheduling problem that each pinion rack led to the fact because of the fastness is poor has significantly reduced.
Further, concrete pouring observation ports 9 are respectively arranged on two sides of the main toothed plate 1 and the auxiliary toothed plate 2. When pouring, the staff can directly observe the pouring condition of the concrete through the concrete pouring observation port 9, and the phenomenon that the concrete is poured loosely and unevenly is avoided. Specifically, when the poured concrete reaches the height of the concrete pouring observation port 9, the concrete meets the filling standard, and when the poured concrete does not reach the height of the concrete pouring observation port 9, the concrete does not meet the filling standard, and the worker continues to pour the concrete until the height of the concrete pouring observation port 9 is reached.
Furthermore, the first stiffening plate 3, the second stiffening plate 4, the stiffening pull ring 5, the anchor ring 7 and the connecting ribs are all made of steel materials.
The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (7)
1. The utility model provides a multidirectional fishback expansion joint that shifts of formula of putting more energy into on the horseback, includes the fishback, vice toothed plate, the installation of the fishback is on first bridge roof beam body, the installation of vice toothed plate is on second bridge roof beam body, the fishback intercrossing of the fishback of fishback and vice toothed plate has the gap, and is located gap top between the first bridge roof beam body and the second bridge roof beam body, its characterized in that:
a plurality of first stiffening plates are respectively fixed at the bottoms of the main toothed plate and the auxiliary toothed plate, each first stiffening plate is arranged at the position of each comb tooth of the main toothed plate and the auxiliary toothed plate in a crossing manner, and a second stiffening plate is respectively inserted and fixed between the first stiffening plates at the bottoms of the main toothed plate and the auxiliary toothed plate;
one end of each first stiffening plate is provided with a through rib penetrating hole, each rib penetrating hole is provided with a connecting rib for connecting each first stiffening plate, and one side of each first stiffening plate is provided with a stiffening pull ring;
one side of each first stiffening plate is provided with an anchor ring;
and leveling blocks are respectively arranged on one side of the main toothed plate and one side of the auxiliary toothed plate.
2. The perforation stiffened multidirectional shifting fishback expansion joint of claim 1, which is characterized in that: the second stiffening plate is provided with a plurality of slots, and each first stiffening plate is inserted and fixed in the slot.
3. The multi-directional comb plate expansion joint that shifts of formula of putting more energy into in riding of claim 2, its characterized in that: the first stiffening plate and the second stiffening plate are perpendicular to each other.
4. The perforation stiffened multidirectional shifting fishback expansion joint of claim 1, which is characterized in that: and two ends of the bottom of the first stiffening plate are provided with trimming edges.
5. The perforation stiffened multidirectional shifting fishback expansion joint of claim 1, which is characterized in that: the anchor ring is arranged at the middle lower part of the first stiffening plate.
6. The perforation stiffened multidirectional shifting fishback expansion joint of claim 1, which is characterized in that: concrete pouring observation ports are respectively arranged on two sides of the main toothed plate and the auxiliary toothed plate.
7. The perforation stiffened multidirectional shifting fishback expansion joint of claim 1, which is characterized in that: the first stiffening plate, the second stiffening plate, the stiffening pull ring, the anchor ring and the connecting ribs are all made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420298.6U CN210737355U (en) | 2019-08-28 | 2019-08-28 | Expansion joint of riding seam reinforced multidirectional displacement comb plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921420298.6U CN210737355U (en) | 2019-08-28 | 2019-08-28 | Expansion joint of riding seam reinforced multidirectional displacement comb plate |
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| Publication Number | Publication Date |
|---|---|
| CN210737355U true CN210737355U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921420298.6U Active CN210737355U (en) | 2019-08-28 | 2019-08-28 | Expansion joint of riding seam reinforced multidirectional displacement comb plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468698A (en) * | 2019-08-28 | 2019-11-19 | 北京毛勒桥梁设施技术有限公司 | The junction of the edges of two sheets of paper is put more energy into formula multi-directional deflection expansion joint of comb plate |
-
2019
- 2019-08-28 CN CN201921420298.6U patent/CN210737355U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110468698A (en) * | 2019-08-28 | 2019-11-19 | 北京毛勒桥梁设施技术有限公司 | The junction of the edges of two sheets of paper is put more energy into formula multi-directional deflection expansion joint of comb plate |
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