Road bridge linkage segment frame steel construction road bed
Technical Field
The utility model relates to a road bridge engineering technical field specifically is a road bridge linkage segment frame steel construction road bed.
Background
The road and bridge engineering can be divided into: roadbed, road surface, bridge, culvert, tunnel, drainage, protection, greening, traffic engineering, electromechanical engineering and other engineering. The unit project according to the standard is divided into: roadbed engineering, pavement engineering, bridge engineering, interchange engineering, tunnel engineering, environmental protection engineering, traffic safety facilities, electromechanical engineering and house building engineering.
The existing road and bridge transition section roadbed structure is low in damping efficiency, vehicles easily generate strong collision when passing through the transition section, huge noise is generated, the situation that cement road surfaces and roadbeds are damaged due to long-time collision is easily caused, the service life of the road and bridge is shortened, a large amount of road and bridge repairing work is needed, and the maintenance cost is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a road bridge linkage segment frame steel construction road bed to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a road bridge linkage section frame steel construction road bed includes: the bridge deck asphalt layer is positioned on the left side of the road asphalt layer, a steel structure buffer mechanism is arranged between the bridge deck asphalt layer and the road asphalt layer, and through grooves are formed in the inner cavity of the bridge deck asphalt layer and the inner cavity of the road asphalt layer;
the steel structure buffer mechanism comprises a bearing steel plate, wherein second bearing columns are welded on two sides of the top of the bearing steel plate, a first bearing column is welded at the center of the top of the bearing steel plate, a framework steel plate is welded at the top of the first bearing column through a fixing plate, a rubber pad is fixedly installed at the top of the framework steel plate, a cavity is formed in the bottom of the rubber pad, sliding grooves are formed in two sides of the top of the framework steel plate, movable rotating shaft seats are connected to inner cavities of the two sliding grooves in a sliding mode and on the sides close to each other, a steel column is connected to the top of each movable rotating shaft seat in a rotating mode through a rotating shaft, sliding blocks are welded on the sides opposite to the two movable rotating shaft seats, damping springs are welded on the sides, away from the movable rotating shaft seats, of the sliding blocks, fixing blocks are welded on the inner cavities of the two sliding grooves and on the sides far away from each other, and a steel pressing plate is fixedly installed at the bottom of the rubber pad, fixed pivot seat has all been welded to the both sides of steel clamp plate bottom, the both ends of skeleton steel sheet all are equipped with the banding rubber piece.
Through adopting above-mentioned technical scheme, can be when the vehicle passes through the road bridge changeover portion, cushion, the vehicle passes through, pressure forces the rubber pad deformation, downwards oppression steel clamp plate during deformation, the steel clamp plate promotes the steel column to both sides through fixed pivot seat, the steel column promotes the sliding block through activity pivot seat and slides at the inner chamber of sliding tray, sliding tray slip in-process compression damping spring, make damping spring shrink, and then make the kinetic energy that the striking produced turn into elastic potential energy and store the inner chamber at damping spring, reach the shock attenuation effect, the situation on vehicle striking bridge floor asphalt layer and road surface asphalt layer has been avoided, the life on bridge floor asphalt layer and road surface asphalt layer has been prolonged, the maintenance cost is reduced.
Preferably, the diameter that leads to the groove is greater than the diameter of second heel post, logical groove and banding rubber block are run through in proper order to the top of second heel post, the top and the skeleton steel sheet welding of second heel post.
Through adopting above-mentioned technical scheme, can improve steel construction buffer gear's stability greatly, avoid steel construction buffer gear to appear the situation of skew in long-time use.
Preferably, the inner cavity of the rubber pad is spliced with reinforcing steel bars, and the number of the reinforcing steel bars is not less than six.
Through adopting above-mentioned technical scheme, can improve the structural strength of rubber pad greatly, avoid appearing cracked situation in deformation process, prolonged the live time of rubber pad.
Preferably, damping spring keeps away from the one end and the fixed block welding of sliding block, sliding block and sliding tray sliding connection.
Through adopting above-mentioned technical scheme, can improve damping spring's stability when the shrink, avoid damping spring at the situation that the sliding tray inner chamber was bent.
Preferably, one end of the steel column, which is far away from the movable rotating shaft seat, is rotatably connected with the fixed rotating shaft seat through a rotating shaft.
By adopting the technical scheme, the downward force received by the steel pressing plate can be converted into the force in the horizontal direction through the steel column.
Preferably, the local surface of banding rubber block and rubber pad is the arcwall face, the surface of banding rubber block and rubber pad all sets up anti-skidding line, the radian on banding rubber block surface is the same with the radian on rubber pad surface.
Through adopting above-mentioned technical scheme, stability when can improving the vehicle and pass through steel construction buffer gear has avoided the situation that the vehicle appears skidding when passing through.
Compared with the prior art, the beneficial effects of the utility model are that:
can be when the vehicle passes through the road bridge changeover portion, cushion, the vehicle passes through, pressure forces the rubber pad deformation, partly impact is cushioned by the rubber pad of deformation, another part impact force oppresses the steel clamp plate downwards when the rubber pad deformation, rethread steel column turns into the power of horizontal direction, offset by damping spring at last, reach the shock attenuation effect, the situation on vehicle striking bridge floor asphalt layer and road surface asphalt layer has been avoided, the life on bridge floor asphalt layer and road surface asphalt layer has been prolonged, and the maintenance cost is reduced.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of the portion B in FIG. 1
Fig. 4 is a schematic structural view of the steel pressing plate of the present invention.
In the figure: 1. a bridge deck asphalt layer; 2. a pavement asphalt layer; 3. a steel structure buffer mechanism; 4. a through groove; 31. a load-bearing steel plate; 32. a first load-bearing column; 33. a second load-bearing column; 34. sealing the edge of the rubber block; 35. a framework steel plate; 36. a cavity; 37. a fixing plate; 38. steel pressing plates; 39. a rubber pad; 310. a steel column; 311. a fixed rotating shaft seat; 312. a movable rotating shaft seat; 313. a slider; 314. a sliding groove; 315. a fixed block; 316. a damping spring; 317. and (5) reinforcing steel bars.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution:
as shown in fig. 1 to 3, a roadbed with a steel structure of a road bridge connecting section frame comprises: bridge floor asphalt layer 1 and road surface asphalt layer 2, bridge floor asphalt layer 1 is located the left side on road surface asphalt layer 2, be provided with steel construction buffer gear 3 between bridge floor asphalt layer 1 and the road surface asphalt layer 2, logical groove 4 has all been seted up to the inner chamber on bridge floor asphalt layer 1 and the inner chamber on road surface asphalt layer 2, the diameter that leads to groove 4 is greater than the diameter of second heel post 33, logical groove 4 and banding rubber piece 34 are run through in proper order at the top of second heel post 33, the top and the welding of skeleton steel sheet 35 of second heel post 33, through adopting above-mentioned technical scheme, can improve steel construction buffer gear 3's stability greatly, the situation of skew has appeared in steel construction buffer gear 3 long-time use has been avoided.
The steel structure buffer mechanism 3 comprises a bearing steel plate 31, wherein second bearing columns 33 are welded on two sides of the top of the bearing steel plate 31, a first bearing column 32 is welded at the center of the top of the bearing steel plate 31, a skeleton steel plate 35 is welded on the top of the first bearing column 32 through a fixing plate 37, a rubber pad 39 is fixedly installed on the top of the skeleton steel plate 35, reinforcing steel bars 317 are inserted into an inner cavity of the rubber pad 39, the number of the reinforcing steel bars 317 is not less than six, by adopting the technical scheme, the structural strength of the rubber pad 39 can be greatly improved, the fracture condition in the deformation process is avoided, the service life of the rubber pad 39 is prolonged, a cavity 36 is formed in the bottom of the rubber pad 39, sliding grooves 314 are formed in two sides of the top of the skeleton steel plate 35, movable rotating shaft seats 312 are slidably connected on the inner cavities of the two sliding grooves 314 and on the sides close to each other, and the tops of the movable rotating shaft seats 312 are rotatably connected with steel columns 310 through rotating shafts, one end of the steel column 310, which is far away from the movable rotating shaft seat 312, is rotatably connected with the fixed rotating shaft seat 311 through a rotating shaft, by adopting the technical scheme, the downward force received by the steel pressing plate 38 can be converted into a horizontal force through the steel column 310, the sliding blocks 313 are welded on the opposite sides of the two movable rotating shaft seats 312, the damping springs 316 are welded on the sides of the sliding blocks 313, which are far away from the movable rotating shaft seats 312, one ends of the damping springs 316, which are far away from the sliding blocks 313, are welded with the fixed blocks 315, the sliding blocks 313 are slidably connected with the sliding grooves 314, the stability of the damping springs 316 during contraction can be improved, the bending condition of the damping springs 316 in the inner cavities of the sliding grooves 314 is avoided, the fixed blocks 315 are welded on the inner cavities of the two sliding grooves 314 and the sides, which are far away from each other, the steel pressing plate 38 is fixedly installed at the bottom of the rubber pad 39, and the fixed rotating shaft seats 311 are welded on the two sides of the bottom of the steel pressing plate 38, all the cover in skeleton steel sheet 35's both ends is equipped with banding rubber block 34, and banding rubber block 34 and rubber pad 39's surface part is the arcwall face, and banding rubber block 34 and rubber pad 39's surface all sets up anti-skidding line, and the radian on banding rubber block 34 surface is the same with the radian on rubber pad 39 surface, through adopting above-mentioned technical scheme, can improve the stability of vehicle when steel construction buffer gear 3, has avoided the situation that the vehicle appears skidding when passing through.
Through adopting above-mentioned technical scheme, can be when the vehicle passes through the road bridge changeover portion, cushion, the vehicle passes through, pressure forces rubber pad 39 deformation, oppression steel clamp plate 38 downwards during deformation, steel clamp plate 38 promotes steel column 310 to both sides through fixed pivot seat 311, steel column 310 promotes sliding block 313 through activity pivot seat 312 and slides at the inner chamber of sliding tray 314, sliding tray 314 slides in-process compression damping spring 316, make damping spring 316 shrink, and then make the kinetic energy that the striking produced turn into the inner chamber of elastic potential energy storage at damping spring 316, reach the shock attenuation effect, the situation of vehicle striking bridge floor asphalt layer 1 and road surface asphalt layer 2 has been avoided, bridge floor asphalt layer 1 and road surface asphalt layer 2's life has been prolonged, the maintenance cost is reduced.
The structure principle is as follows: as shown in fig. 1, when a vehicle passes through a road and bridge transition section, buffering can be performed, when the vehicle passes through, a part of impact is buffered by a deformed rubber pad 39, and the other part of impact force downwards presses a steel pressing plate 38 when the rubber pad 39 is deformed, as shown in fig. 2, the steel pressing plate 38 pushes steel columns 310 towards two sides through a fixed rotating shaft seat 311, the steel columns 310 push sliding blocks 313 to slide in inner cavities of sliding grooves 314 through movable rotating shaft seats 312, the sliding grooves 314 compress damping springs 316 in the sliding process, so that the damping springs 316 shrink, and further, kinetic energy generated by impact is converted into elastic potential energy to be stored in the inner cavities of the damping springs 316, so that a damping effect is achieved, the condition that the vehicle impacts a bridge deck asphalt layer 1 and a road asphalt layer 2 is avoided, the service lives of the bridge deck asphalt layer 1 and the road asphalt layer 2 are prolonged, and the maintenance cost is reduced;
to sum up, can cushion when the vehicle passes through the road bridge changeover portion, the vehicle passes through, pressure forces rubber pad 39 deformation, partly impact is cushioned by deformed rubber pad 39, another part impact force oppresses steel clamp plate 38 downwards when rubber pad 39 deforms, rethread steel column 310 turns into the power of horizontal direction, offset by damping spring 316 at last, reach the shock attenuation effect, avoided the vehicle to strike bridge floor asphalt layer 1 and road surface asphalt layer 2's situation, prolonged bridge floor asphalt layer 1 and road surface asphalt layer 2's life, the maintenance cost is reduced.
The part not involved in the utility model is the same as the prior art or can be realized by adopting the prior art. 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.