CN214291664U

CN214291664U - Steel structure bridge support frame

Info

Publication number: CN214291664U
Application number: CN202023336782.6U
Authority: CN
Inventors: 邹小刚; 邱锐; 庞厚利; 杨阳
Original assignee: Zhejiang Ouyue Jiaojian Technology Co Ltd
Current assignee: Zhejiang Ouyue Jiaojian Technology Co Ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-28
Anticipated expiration: 2030-12-30

Abstract

The application relates to a steel structure bridge support frame, which comprises a support and a telescopic assembly arranged on the support; the telescopic end of the telescopic assembly is lifted along the vertical direction, a supporting plate is arranged at the top of the telescopic end of the telescopic assembly, supporting rods are symmetrically arranged on the supporting plate, one end of each supporting rod is rotatably arranged on the supporting plate, and the other end of each supporting rod is abutted against the upper surface of the support; a triangle is formed among the supporting rod, the bracket and the telescopic component. This application has the stability that can promote telescopic component, makes telescopic component be difficult for taking place the effect of turning on one's side.

Description

Steel structure bridge support frame

Technical Field

The application relates to the field of prefabricated bridge production tools, in particular to a steel structure bridge support frame.

Background

The steel structure bridge refers to a bridge with a load-bearing structure made of steel, namely a steel structure bridge and a steel bridge. Currently, the assembled steel bridge is widely applied all over the world. When large steel structure bridges are produced, the large steel structure bridges are generally spliced in a processing workshop and then transported. The bridge is usually connected and fixed by adopting a welding mode in the splicing process, before welding, the bridge needs to be placed on a special support frame, and the support and the fixation of the bridge are realized through the support frame, so that the connection part of the bridge can be smoothly welded.

In the related art, a Chinese patent with an authorization publication number of CN206732438U discloses a steel structure bridge support frame, which comprises a support frame and a telescopic rod arranged on the support frame; during the use earlier place the bridge on the layer board of telescopic link top, then according to the welding needs, adjust the flexible volume of each telescopic link, after adjusting the height of steel structure bridge, just can conveniently carry out welded fastening with steel structure bridge.

In view of the above-mentioned related technologies, the inventor believes that there is a problem that when the telescopic rod raises the supporting plate to a certain height, the gravity center position of the telescopic rod will also gradually move upwards, and once the telescopic rod is pushed along the length direction of the bracket, the telescopic rod is very likely to roll over to the other side due to the relatively thin structure of the telescopic rod.

SUMMERY OF THE UTILITY MODEL

In order to improve the not good problem of telescopic link stability, this application provides a steel structure bridge support frame.

The application provides a steel structure bridge support frame adopts following technical scheme:

a steel structure bridge support frame comprises a support and a telescopic assembly arranged on the support; the telescopic end of the telescopic assembly is lifted along the vertical direction, a supporting plate is arranged at the top of the telescopic end of the telescopic assembly, supporting rods are symmetrically arranged on the supporting plate, one end of each supporting rod is rotatably arranged on the supporting plate, and the other end of each supporting rod is abutted against the upper surface of the support; a triangle is formed among the supporting rod, the bracket and the telescopic component.

By adopting the technical scheme, when the support plate is lifted to a certain height by the telescopic assembly, the lower ends of the support rods and the upper surface of the support are mutually pressed, so that the support rods on the two sides can support and fix the telescopic assembly; when backup pad one side received thrust, utilized the principle of triangle-shaped stability, can promote telescopic component's stability greatly under the supporting role of bracing piece, made telescopic component be difficult for taking place to turn on one's side.

Preferably, the upper end part of the bracket is provided with slots which are arranged at intervals along the length direction of the bracket; the one end that flexible subassembly was kept away from to the bracing piece is inserted to the slot in, just the bracing piece contradicts each other with the inside wall of slot.

Through adopting above-mentioned technical scheme, when the bracing piece is supporting flexible subassembly, through inserting the bracing piece lower extreme to corresponding slot in, the slot can carry out spacing fixed with the bracing piece lower extreme to can effectively prevent the condition that the bracing piece takes place to sideslip, further improve the bracing effect of bracing piece to flexible subassembly.

Preferably, the upper surface of the supporting plate is provided with a rubber cushion.

By adopting the technical scheme, when the bridge is placed on the supporting plate, the friction force between the supporting plate and the bridge can be increased through the rubber cushion, and the stability of the bridge during placement is improved; and the rubber cushion can also play a role in wear prevention and protection on the surface of the bridge.

Preferably, the bottom of the telescopic assembly is provided with a sliding seat, the sliding seat is provided with a sliding chute, the sliding seat is sleeved at the upper end of the support through the sliding chute, and the sliding seat is arranged on the support in a sliding manner along the length direction of the support.

By adopting the technical scheme, when the position of the telescopic assembly needs to be adjusted, the position of the telescopic assembly can be adjusted by sliding the sliding seat along the length direction of the bracket; when the position of the sliding seat is adjusted in a sliding mode, the sliding seat can be prevented from being separated from the upper end of the support through the sliding groove, and the sliding seat is limited.

Preferably, the sliding seat is provided with a fixed rod in a sliding manner, and the fixed rod is inserted into the sliding groove from the outer side wall of the sliding seat; the bracket is provided with an insertion groove, and the opening of the insertion groove faces the direction in which the fixed rod is inserted into the sliding groove; the inserting groove is arranged along the length direction of the support, and the fixing rod is inserted into the inserting groove.

By adopting the technical scheme, after the position of the sliding seat is adjusted, the fixed rod is downwards inserted into the opposite insertion grooves, and the limiting and fixing of the sliding seat are realized under the mutual insertion and matching of the fixed rod and the insertion grooves; the whole fixing process is very convenient and fast.

Preferably, a fixing plate is arranged on the outer side wall of the telescopic assembly and is arranged on the fixing plate in a sliding manner; one end, far away from the sliding seat, of the fixed rod penetrates out of the upper end face of the fixed plate, a limiting plate is arranged on the fixed rod after the fixed rod penetrates out, and the width of the limiting plate is larger than that of the fixed rod.

By adopting the technical scheme, the upper end of the fixed rod can be more stable when the fixed rod slides up and down, when the position of the sliding seat needs to slide, the fixed rod is lifted upwards by holding the limiting plate by hand, and the sliding seat can slide after the fixed rod is smoothly withdrawn from the insertion groove; the limiting plate can not only prevent the fixed rod from falling off from the fixed plate, but also provide an acting point, and the fixed rod is convenient to lift.

Preferably, a pressing plate positioned between the fixing plate and the sliding seat is arranged on the fixing rod, a spring positioned between the fixing plate and the pressing plate is further sleeved on the fixing rod, and the spring stretches along the length direction of the fixing rod; spring one end is contradicted with the fixed plate, the spring other end is contradicted with the clamp plate.

By adopting the technical scheme, the pressing plate is pressed down under the action of the spring, and the pressing plate drives the lower end of the fixing rod to be inserted into the insertion groove; the dead lever will compress tightly each other with the cell wall of inserting groove under the effect of spring force, and the spring has strengthened the spacing fixed effect to the dead lever, makes the dead lever can be more stable and firm will slide the seat and lock.

Preferably, the limiting plate is provided with a limiting ring in a rotating mode, the outer side wall of the telescopic assembly is provided with a hook located above the limiting ring, and the hook is used for hanging and fixing the limiting ring.

By adopting the technical scheme, after the limiting plate is pulled to withdraw the fixing rod from the inserting groove, the limiting ring is hung on the hook, so that the position of the fixing rod can be fixed, the fixing rod is kept in a withdrawing state without human intervention, and the spring is in a compressed state; and then can conveniently carry out slide adjusting with the position of seat that slides.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stability of the telescopic assembly can be greatly improved under the supporting action of the supporting rod, so that the telescopic assembly is not easy to turn over;

2. the limit fixation of the sliding seat is realized under the mutual insertion and matching of the fixed rod and the insertion groove; the whole fixing process is very convenient and fast.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

FIG. 2 is a partial schematic view of the telescoping assembly of FIG. 1 as highlighted.

Fig. 3 is a partial structure view of fig. 2 where the fixing rod is protruded.

Description of reference numerals: 1. a support; 11. a slot; 12. inserting grooves; 2. a telescoping assembly; 21. a support plate; 211. a rubber cushion; 22. a support bar; 23. a fixing plate; 24. hooking; 3. a sliding seat; 31. a chute; 32. fixing the rod; 321. a limiting plate; 322. pressing a plate; 323. a spring; 324. a limit ring.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses steel structure bridge support frame. Referring to fig. 1 and 2, the steel structure bridge support frame is including being the support 1 that the level was placed, and support 1 is "H" type, and support 1 upper end is the symmetry and is provided with two rows of flexible subassemblies 2 that are used for supporting the bridge, and flexible subassembly 2 in this embodiment is the jack. The telescopic assemblies 2 which are positioned on the same row of the support 1 are sequentially arranged along the length direction of the support 1, the telescopic ends of the telescopic assemblies 2 are vertically placed, a horizontal support plate 21 is fixedly arranged at the top of the telescopic ends of the telescopic assemblies 2, and a rubber cushion 211 is adhered to the upper surface of the support plate 21.

As shown in fig. 1 and 2, two support rods 22 are disposed on the support plate 21, and the support rods 22 are respectively disposed on the side walls of the support plate 21 that are away from each other. The upper end of the support rod 22 is rotatably arranged on the support plate 21, the rotating shaft of the support rod 22 is arranged in the horizontal direction, and the lower end of the support rod 22 moves in the direction close to or far away from the telescopic assembly 2 around the rotating shaft at the upper end.

As shown in fig. 1 and 2, the upper end surface of the bracket 1 is provided with slots 11 for inserting the lower ends of the support rods 22, and the slots 11 are uniformly distributed along the length direction of the bracket 1 at intervals. One end of the support rod 22 far away from the telescopic assembly 2 is inserted into the corresponding slot 11, and the lower end of the support rod 22 is abutted against the inner side wall of the slot 11. The support rod 22, the bracket 1 and the telescopic component 2 form a triangle with stable structure together. When the telescopic assembly 2 lifts the supporting plate 21 to a certain height, the lower ends of the supporting rods 22 are inserted into the proper slots 11, and the supporting rods 22 on the two sides can support and fix the telescopic assembly 2. When thrust is applied to one side of the supporting plate 21, the stability of the telescopic assembly 2 can be greatly improved under the supporting action of the supporting rod 22 by utilizing the principle of triangular stability, so that the telescopic assembly 2 is not easy to roll over.

As shown in fig. 1 and 2, the longitudinal section of the bracket 1 is i-shaped, the bottom of the telescopic assembly 2 is fixedly provided with a sliding seat 3, the sliding seat 3 is provided with a through chute 31, and the chute 31 is arranged along the length direction of the bracket 1. The sliding seat 3 is sleeved on the outer side wall of the upper end of the support 1 through the sliding groove 31, and the sliding seat 3 is arranged above the support 1 in a sliding manner along the length direction of the support 1. Fixed mounting has two fixed plates 23 on the lateral wall of flexible subassembly 2, and fixed plate 23 is the symmetry and sets up on the lateral wall that flexible subassembly 2 deviates from each other.

As shown in fig. 2 and 3, the fixing rod 32 is slidably disposed on the fixing plate 23 along the vertical direction, a limiting plate 321 is fixedly mounted on the upper end of the fixing rod 32 and located above the fixing plate 23, and the width of the limiting plate 321 is greater than that of the fixing rod 32. The lower end of the fixing rod 32 is inserted into the sliding groove 31 from the upper end face of the sliding seat 3, and the lower end of the fixing rod 32 is slidably arranged on the sliding seat 3.

As shown in fig. 1 and 2, two rows of insertion grooves 12 are symmetrically arranged on the upper end surface of the bracket 1, and the insertion grooves 12 in the same row are sequentially and uniformly arranged at intervals along the length direction of the bracket 1. The opening of the insertion groove 12 is disposed toward the direction in which the fixing lever 32 is inserted into the slide groove 31. The fixing rod 32 is fixedly sleeved with a horizontal pressing plate 322 positioned between the fixing plate 23 and the sliding seat 3, and the pressing plate 322 is close to the lower end of the fixing rod 32. The fixing rod 32 is also movably sleeved with a spring 323 positioned between the fixing plate 23 and the pressing plate 322, and the spring 323 extends and retracts along the length direction of the fixing rod 32. The upper end of the spring 323 abuts against the lower sidewall of the fixed plate 23, and the lower end of the spring 323 abuts against the upper surface of the pressing plate 322. The lower ends of the fixing rods 32 are pressed against the inner side walls of the respective opposite insertion grooves 12 by the springs 323.

As shown in fig. 2 and 3, the stopper ring 324 is rotatably provided on the upper end surface of the stopper plate 321, and the rotation axis of the stopper ring 324 is horizontally arranged. The outer side wall of the telescopic assembly 2 is fixedly provided with a hook 24 positioned above the adjacent limit ring 324, after the lower end of the fixing rod 32 is withdrawn from the insertion groove 12 by lifting the limit ring 324 upwards, the position of the fixing rod 32 can be fixed by hanging the limit ring 324 on the hook 24 without human intervention, the fixing rod 32 is kept in a withdrawing state, and at the moment, the spring 323 is kept in a compressed state.

The implementation principle of the steel structure bridge support frame of the embodiment of the application is as follows: after the position of the sliding seat 3 is adjusted, the fixing rod 32 is inserted downwards into the opposite insertion groove 12, and the limiting fixation of the sliding seat 3 is realized under the mutual insertion and matching of the fixing rod 32 and the insertion groove 12. The whole fixing process is very convenient and fast. When the support plate 21 is lifted to a certain height by the telescopic assembly 2, the lower ends of the support rods 22 are inserted into the corresponding slots 11, and the support rods 22 on the two sides can support and fix the telescopic assembly 2. When thrust is applied to one side of the supporting plate 21, the stability of the telescopic assembly 2 can be greatly improved under the supporting action of the supporting rod 22 by utilizing the principle of triangular stability, so that the telescopic assembly 2 is not easy to roll over.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A steel structure bridge support frame comprises a support (1) and a telescopic assembly (2) arranged on the support (1); the method is characterized in that: the telescopic end of the telescopic component (2) is lifted along the vertical direction, a supporting plate (21) is arranged at the top of the telescopic end of the telescopic component (2), supporting rods (22) are symmetrically arranged on the supporting plate (21), one end of each supporting rod (22) is rotatably arranged on the supporting plate (21), and the other end of each supporting rod (22) is abutted to the upper surface of the support (1); a triangle is formed among the support rod (22), the support (1) and the telescopic component (2) together.

2. The steel structure bridge support frame of claim 1, wherein: the upper end part of the bracket (1) is provided with slots (11), and the slots (11) are arranged at intervals along the length direction of the bracket (1); the one end that flexible subassembly (2) were kept away from in bracing piece (22) inserts slot (11), just bracing piece (22) contradicts each other with the inside wall of slot (11).

3. The steel structure bridge support frame of claim 2, wherein: the upper surface of the supporting plate (21) is provided with a rubber cushion (211).

4. The steel structure bridge support frame of claim 1, wherein: the telescopic component (2) is provided with the seat (3) that slides in bottom, be provided with spout (31) on the seat (3) that slides, the seat (3) that slides establishes in support (1) upper end through spout (31), just the seat (3) that slides sets up on support (1) along the length direction of support (1) slides.

5. The steel structure bridge support frame of claim 4, wherein: a fixed rod (32) is arranged on the sliding seat (3) in a sliding manner, and the fixed rod (32) is inserted into the sliding groove (31) from the outer side wall of the sliding seat (3); an insertion groove (12) is formed in the support (1), and an opening of the insertion groove (12) faces the direction in which the fixing rod (32) is inserted into the sliding groove (31); the inserting groove (12) is arranged along the length direction of the support (1), and the fixing rod (32) is inserted into the inserting groove (12).

6. The steel structure bridge support frame of claim 5, wherein: the outer side wall of the telescopic assembly (2) is provided with a fixed plate (23), and the fixed rod (32) is arranged on the fixed plate (23) in a sliding manner; one end, far away from the sliding seat (3), of the fixing rod (32) penetrates out of the upper end face of the fixing plate (23), a limiting plate (321) is arranged on the fixing rod (32) after the fixing rod (32) penetrates out, and the width of the limiting plate (321) is larger than that of the fixing rod (32).

7. The steel structure bridge support frame of claim 6, wherein: a pressing plate (322) positioned between the fixing plate (23) and the sliding seat (3) is arranged on the fixing rod (32), a spring (323) positioned between the fixing plate (23) and the pressing plate (322) is further sleeved on the fixing rod (32), and the spring (323) stretches along the length direction of the fixing rod (32); one end of the spring (323) is abutted against the fixed plate (23), and the other end of the spring (323) is abutted against the pressing plate (322).

8. The steel structure bridge support frame of claim 6, wherein: limiting ring (324) is arranged on limiting plate (321) in a rotating mode, a hook (24) located above limiting ring (324) is arranged on the outer side wall of telescopic assembly (2), and hook (24) is used for hanging and fixing limiting ring (324).