CN212656102U

CN212656102U - Steel structure convenient to replace for bridge

Info

Publication number: CN212656102U
Application number: CN202020640413.7U
Authority: CN
Inventors: 杨耀辉
Original assignee: Individual
Current assignee: Tianjin University Research Institute of Architectrual Design and Urban Planning
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2021-03-05
Anticipated expiration: 2030-04-24

Abstract

The utility model belongs to the steel construction field, especially, change convenient steel construction for bridge, to the problem that current bracing piece of being not convenient for was dismantled and is changed, the following scheme is proposed at present, and it includes the bridge and is located a plurality of bracing pieces on the bridge, a plurality of thread grooves have been seted up on the bottom inner wall of bridge, and the equal fixed mounting in both sides bottom of bracing piece has the angle steel plate, installs a plurality of fastening bolt on the angle steel plate, and fastening bolt meshes with the corresponding thread groove mutually, has seted up a plurality of first grooves on the top inner wall of bridge, and slidable mounting has the case of placing in the first groove, and places case and bracing piece looks adaptation, has seted up first screw hole on the top inner wall in first groove, and adjusting bolt's bottom is rotated and is installed on placing the case. The utility model relates to a rationally, be convenient for change the bracing piece, can prevent to place not hard up of case, can carry out stable fixed to the bracing piece.

Description

Steel structure convenient to replace for bridge

Technical Field

The utility model relates to a steel construction technical field especially relates to a change convenient steel construction for bridge.

Background

Bridge refers to a building constructed for a road to cross natural or artificial obstacles. The bridge generally comprises five bridge parts, wherein the five bridge parts refer to a bridge span upper structure and a bridge span lower structure for bearing the transportation load of automobiles or other vehicles, and guarantee the safety of the bridge structure.

Among the prior art, the horizontal pole has been erect to the bridge top, has erect the bracing piece that is equipped with vertical setting usually between horizontal pole and the bridge, supports fixedly through the bracing piece to the horizontal pole, and the below of bracing piece generally uses the bolt to install on the bridge. Most of bracing piece is fixed on the horizontal pole through the welded mode, when changing the bracing piece, need saw off the upper end of bracing piece or melt just can pull down the bracing piece from the horizontal pole, and it is more troublesome to dismantle, has the bracing piece of being not convenient for and dismantles and the problem of changing, therefore we have proposed a convenient steel construction for bridge of change and are used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that the bracing piece of being not convenient for dismantles and changes among the prior art, and the convenient steel construction for bridge of change that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steel structure for a bridge convenient to replace comprises the bridge and a plurality of support rods positioned on the bridge, wherein a plurality of thread grooves are formed in the inner wall of the bottom of the bridge, angle steel plates are fixedly installed at the bottoms of two sides of each support rod, a plurality of fastening bolts are installed on the angle steel plates and are meshed with the corresponding thread grooves, a plurality of first grooves are formed in the inner wall of the top of the bridge, a placing box is slidably installed in the first grooves and is matched with the support rods, a first threaded hole is formed in the inner wall of the top of each first groove, an adjusting bolt is installed in each first threaded hole in a threaded manner, the bottom end of each adjusting bolt is rotatably installed on the placing box, first holes are formed in the inner walls of the two sides of the placing box, a limiting pin is slidably installed in each first hole and is matched with the bridge, an inclined hole is formed in one side of the limiting pin, and a sliding rod, the second groove has been seted up on the bottom inner wall in first hole, and slidable mounting has the movable plate in the second groove, and the top fixed mounting of movable plate has the one end of montant, and the other end fixed mounting of montant has the one end of pull rod on the slide bar, and the top fixed mounting of movable plate has the one end of pull rod, and the other end of pull rod extends to the below of placing the case, and the bottom fixed mounting of movable plate has reset spring's one end, and reset spring's other end fixed mounting is on the inner wall in second groove.

Preferably, the top of placing the case has been seted up and has been rotated the groove, and adjusting bolt's bottom is rotated and is installed in rotating the inslot, and adjusting bolt's top fixed mounting has the knob.

Preferably, the limiting grooves are formed in the inner walls of the two sides of the first groove, limiting seats are fixedly mounted on the two sides of the containing box, and the limiting seats are connected with the corresponding limiting grooves in a sliding mode.

Preferably, sliding grooves are formed in the inner walls of the two sides of the second groove, sliding seats are fixedly mounted on the two sides of the moving plate, and the sliding seats are connected with the corresponding sliding grooves in a sliding mode.

Preferably, a moving hole is formed in the inner wall of the bottom of the second groove, the pull rod is slidably mounted in the moving hole, and a handle is fixedly mounted at the bottom of the pull rod.

In the utility model, when the supporting rod is replaced, the steel structure for the bridge convenient to replace is engaged with the corresponding thread groove through the fastening bolt on the angle steel plate, the fastening bolt is engaged with the corresponding thread groove, the bottom end of the supporting rod can be fixed, the top end of the supporting rod is positioned under the placing box at the moment, the knob can drive the adjusting bolt to rotate by rotating the knob, the adjusting bolt can be moved under the action of the first threaded hole, the adjusting bolt can drive the placing box to move downwards, and the placing box sleeve is arranged at the top end of the supporting rod at the moment;

when placing case downstream, make the spacer pin shift out first groove, this moment under reset spring's elastic action, reset spring can promote the movable plate rebound, the movable plate can drive the montant rebound, the montant can drive the slide bar and slide in the inclined hole, the slide bar can drive the spacer pin through the inclined hole and remove, make two spacer pins can remove to the direction of keeping away from each other, make the spacer pin shift out first hole and contact the bridge, can carry out spacingly to placing the case through the spacer pin, can prevent that adjusting bolt's not hard up and cause placing the not hard up of case, can carry out stable fixed to the bracing piece.

The utility model relates to a rationally, be convenient for change the bracing piece, can prevent to place not hard up of case, can carry out stable fixed to the bracing piece.

Drawings

Fig. 1 is a schematic structural view of a bridge steel structure convenient to replace according to the present invention;

fig. 2 is a schematic structural view of a part a of a steel structure for a bridge, which is provided by the utility model and is convenient to replace;

fig. 3 is the utility model provides a change convenient B part schematic structure of steel construction for bridge.

In the figure: 1. a bridge; 2. a support bar; 3. a thread groove; 4. angle steel plates; 5. fastening a bolt; 6. a first groove; 7. placing a box; 8. a first threaded hole; 9. adjusting the bolt; 10. a first hole; 11. a spacing pin; 12. an inclined hole; 13. a slide bar; 14. a second groove; 15. moving the plate; 16. a vertical rod; 17. a pull rod; 18. a return spring.

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.

Referring to fig. 1-3, a steel structure for a bridge convenient to replace comprises a bridge 1 and a plurality of support rods 2 arranged on the bridge 1, wherein a plurality of thread grooves 3 are formed on the inner wall of the bottom of the bridge 1, angle steel plates 4 are fixedly arranged at the bottoms of the two sides of the support rods 2, a plurality of fastening bolts 5 are arranged on the angle steel plates 4, the fastening bolts 5 are meshed with the corresponding thread grooves 3, a plurality of first grooves 6 are formed on the inner wall of the top of the bridge 1, a placing box 7 is slidably arranged in the first grooves 6, the placing box 7 is matched with the support rods 2, a first threaded hole 8 is formed in the inner wall of the top of the first groove 6, an adjusting bolt 9 is internally threaded in the first threaded hole 8, the bottom end of the adjusting bolt 9 is rotatably arranged on the placing box 7, first holes 10 are formed in the inner walls of the two sides of the placing box 7, a limiting pin 11 is slidably arranged in the first hole 10, and, inclined hole 12 has been seted up to one side of spacer pin 11, slidable mounting has slide bar 13 in the inclined hole 12, second groove 14 has been seted up on the bottom inner wall of first hole 10, slidable mounting has movable plate 15 in the second groove 14, the top fixed mounting of movable plate 15 has the one end of montant 16, the other end fixed mounting of montant 16 is on slide bar 13, the top fixed mounting of movable plate 15 has the one end of pull rod 17, and the other end of pull rod 17 extends to the below of placing case 7, the bottom fixed mounting of movable plate 15 has the one end of reset spring 18, the other end fixed mounting of reset spring 18 is on the inner wall of second groove 14.

The utility model discloses in, place the top of case 7 and seted up the rotation groove, and adjusting bolt 9's bottom is rotated and is installed at the rotation inslot, and adjusting bolt 9's top fixed mounting has the knob.

The utility model discloses in, all seted up the spacing groove on the both sides inner wall of first groove 6, the equal fixed mounting in both sides of placing case 7 has spacing seat, and spacing seat and the spacing groove sliding connection who corresponds.

The utility model discloses in, all seted up the sliding tray on the both sides inner wall of second groove 14, the equal fixed mounting in both sides of movable plate 15 has the sliding seat, and sliding seat and the sliding tray sliding connection who corresponds.

The utility model discloses in, seted up on the bottom inner wall of second groove 14 and removed the hole, and pull rod 17 slidable mounting removes downtheholely, and pull rod 17's bottom fixed mounting has the handle.

In the utility model, when the support rod 2 is replaced, the fastening bolt 5 is engaged with the corresponding thread groove 3 through the fastening bolt 5 on the angle steel plate 4, the bottom end of the support rod 2 can be fixed, at the moment, the top end of the support rod 2 is positioned under the placing box 7, the knob can drive the adjusting bolt 9 to rotate by rotating the knob, under the action of the first thread hole 8, the adjusting bolt 9 can be moved, the adjusting bolt 9 can drive the placing box 7 to move downwards, at the moment, the placing box 7 is sleeved on the top end of the support rod 2, when the placing box 7 moves downwards, the limit pin 11 is moved out of the first groove 6, at the moment, under the elastic action of the reset spring 18, the reset spring 18 can push the moving plate 15 to move upwards, the moving plate 15 can drive the vertical rod 16 to move upwards, the vertical rod 16 can drive the sliding rod 13 to slide in the inclined hole 12, slide bar 13 can drive spacer pin 11 through inclined hole 12 and remove for two spacer pins 11 can remove to the direction of keeping away from each other, make spacer pin 11 shift out first hole 10 and contact bridge 1, can carry out spacingly to placing case 7 through spacer pin 11, can prevent adjusting bolt 9 not hard up and cause the not hard up of placing case 7, can carry out stable fixed to bracing piece 2.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A steel structure for a bridge convenient to replace comprises a bridge (1) and a plurality of supporting rods (2) positioned on the bridge (1), and is characterized in that a plurality of thread grooves (3) are formed in the inner wall of the bottom of the bridge (1), angle steel plates (4) are fixedly installed at the bottoms of two sides of each supporting rod (2), a plurality of fastening bolts (5) are installed on the angle steel plates (4), the fastening bolts (5) are meshed with the corresponding thread grooves (3), a plurality of first grooves (6) are formed in the inner wall of the top of the bridge (1), a placing box (7) is installed in the first grooves (6) in a sliding mode, the placing box (7) is matched with the supporting rods (2), first threaded holes (8) are formed in the inner wall of the top of the first grooves (6), adjusting bolts (9) are installed in the first threaded holes (8), and the bottom ends of the adjusting bolts (9) are rotatably installed on the placing box (7), the inner walls of the two sides of the placing box (7) are both provided with first holes (10), limiting pins (11) are arranged in the first holes (10) in a sliding way, and the limiting pin (11) is matched with the bridge (1), one side of the limiting pin (11) is provided with an inclined hole (12), the inclined hole (12) is internally provided with a sliding rod (13) in a sliding way, the inner wall of the bottom of the first hole (10) is provided with a second groove (14), the second groove (14) is internally provided with a movable plate (15) in a sliding way, the top of the movable plate (15) is fixedly provided with one end of a vertical rod (16), the other end of the vertical rod (16) is fixedly arranged on the sliding rod (13), the top of the movable plate (15) is fixedly provided with one end of a pull rod (17), and the other end of the pull rod (17) extends to the lower part of the placing box (7), one end of a return spring (18) is fixedly arranged at the bottom of the moving plate (15), and the other end of the return spring (18) is fixedly arranged on the inner wall of the second groove (14).

2. The bridge steel structure convenient to replace according to claim 1, wherein a rotating groove is formed in the top of the placing box (7), the bottom end of the adjusting bolt (9) is rotatably installed in the rotating groove, and a knob is fixedly installed at the top end of the adjusting bolt (9).

3. The bridge steel structure convenient to replace according to claim 1, wherein the inner walls of the two sides of the first groove (6) are respectively provided with a limiting groove, the two sides of the placing box (7) are respectively and fixedly provided with a limiting seat, and the limiting seats are in sliding connection with the corresponding limiting grooves.

4. The steel structure for the bridge, as recited in claim 1, wherein sliding grooves are formed on the inner walls of the second groove (14), sliding seats are fixedly installed on both sides of the moving plate (15), and the sliding seats are slidably connected with the corresponding sliding grooves.

5. The bridge steel structure convenient to replace according to claim 1, wherein a moving hole is formed in the inner wall of the bottom of the second groove (14), the pull rod (17) is slidably mounted in the moving hole, and a handle is fixedly mounted at the bottom of the pull rod (17).