CN217174341U

CN217174341U - Grade separation steel box girder with limit function

Info

Publication number: CN217174341U
Application number: CN202220696652.3U
Authority: CN
Inventors: 朱如倍; 王军锋; 王祯
Original assignee: Guangdong Huaying Science And Technology Group Co ltd
Current assignee: Guangdong Huaying Science And Technology Group Co ltd
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-08-12
Anticipated expiration: 2032-03-28

Abstract

The utility model relates to the technical field of steel box girders, in particular to an interchange steel box girder with a limiting function, which comprises a steel box girder body and a fixing component, wherein the fixing component comprises a fixed column, a sliding column and a threaded rod, the upper surface of the fixed column is fixed with the bottom surface of the steel box girder body, the sliding column is in sliding connection with the bottom surface of the steel box girder body, one end of the threaded rod penetrates through the sliding column and is in clearance fit with the sliding column, one end of the threaded rod penetrates through the sliding column and is rotationally connected with the side wall at one side of the fixed column, and the side wall at the side, close to each other, of the fixed column and the sliding column is provided with a fixed groove for clamping a temporary support or a main support, the fixing component is arranged, the fixed groove on the fixed column and the fixed groove on the sliding column are matched with the temporary support or the main support, thereby realizing the fixing and limiting of the steel box girder body, the operation step is short and the fixing effect is better, is beneficial to long-term use.

Description

Grade separation steel box girder with limit function

Technical Field

The utility model relates to a steel box girder technical field specifically is an interchange steel box girder with limit function.

Background

The steel box girder is also called steel plate box girder, and is a common structural form of a large-span bridge. The steel box girder is generally used on a bridge with a large span and is called a steel box girder because the steel box girder is like a box, and the steel box girder is generally formed by connecting a top plate, a bottom plate, a web plate, a transverse clapboard, a longitudinal clapboard, a stiffening rib and the like in a full-welding mode. The top plate is an orthotropic bridge deck composed of a cover plate and longitudinal stiffening ribs.

Through the retrieval, chinese patent application number is CN 202121237119.2's utility model, discloses an interchange steel box girder with anti-seismic performance, including two steel box girder bodies and two piers, still include adapting unit and flexible part, two the pier all is vertical form interval setting, and the top at two piers is installed respectively to the one end of two steel box girder bodies to the relative interval setting of the other end of two steel box girder bodies, first fixed plate is all installed to the relative one end of two steel box girder bodies, and all seted up on every first fixed plate with adapting unit matched with first sliding tray, adapting unit sets up between two first fixed plates, flexible part setting is at adapting unit's top. Based on above retrieval, combine prior art discovery, the steel box girder need realize in the installation with interim support and main support fixed, and usually carry on spacingly through work pieces such as temporary weld channel-section steel to the steel box girder among the prior art, and temporary weld limit structure consumes man-hour longer and be not convenient for follow-up long-term the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an interchange steel case roof beam with limit function to solve the problem of proposing among the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides a grade separation steel box girder with limit function, includes steel box girder body and fixed subassembly, fixed subassembly includes fixed column, slip post and threaded rod, the fixed column upper surface is fixed with steel box girder body bottom surface, slip post and steel box girder body bottom surface sliding connection, threaded rod one end run through the slip post and with slip post clearance fit, the threaded rod runs through the one end of slip post and the lateral wall rotation of fixed column one side is connected, the fixed column all offers the fixed slot that is used for pressing from both sides tight temporary stand or main support with the lateral wall that the slip post is close to one side each other.

Preferably, a limiting groove is formed in the bottom surface of the steel box girder body, a limiting plate is fixed to the side wall, away from one side of the fixed column, of the sliding column through a bolt, and the limiting plate is clamped with the limiting groove.

Preferably, a T-shaped reinforcing rib is fixed on the bottom surface of the steel box girder body, the T-shaped reinforcing rib penetrates through the fixed column and the sliding column and is fixed with the fixed column, a T-shaped groove is formed in the surface of one side, close to the steel box girder body, of the fixed column, the T-shaped reinforcing rib is matched with the T-shaped groove in a sliding mode, and limiting blocks are fixed at two ends of the T-shaped reinforcing rib.

Preferably, the fixed column and the sliding column are integrally formed with a protruding part provided with an inserting groove at one end, and the fixed column and the sliding column are integrally formed with an inserting block at the other end, and the inserting groove and the inserting block are in inserting fit.

Preferably, the upper surface and the bottom surface of the insertion groove are provided with first chamfers, and the bottom surface of the insertion block is provided with a second chamfer.

Preferably, a flaring is arranged at the opening of the fixing groove.

Preferably, an operating rotating handle is fixed at one end, far away from the fixed column, of the threaded rod.

Preferably, the bottom surfaces of the fixed column and the sliding column are provided with weight removing grooves.

The utility model discloses an improve and provide an interchange steel case roof beam with limit function here, compare with prior art, have following improvement and advantage:

one is as follows: the utility model discloses a setting of fixed subassembly, when needs to fix steel box girder body and temporary support or main support, constructor only need through the operation change the handle rotate the threaded rod, make the threaded rod drive the sliding column to move to one side near the fixed column, and through the fixed slot on the fixed column and the fixed slot on the sliding column cooperate the clamping temporary support or main support together, so as to fix and spacing steel box girder body, the operation step is brief and the fixed effect is better, be favorable to follow-up long-term use;

the second step is as follows: the utility model discloses a setting of limiting plate, after fixed slot on the fixed column and the fixed slot on the slip post cooperate the tight temporary support of clamp or main support jointly, constructor only needs to fix limiting plate and spacing groove joint to it is fixed with limiting plate and slip post spiro union through the bolt, thereby it is spacing to carry out the slip post, has reduced the slip post and has influenced the gliding probability of emergence by steel box girder body vibrating force, thereby has improved the stability of fixed subassembly in the use.

Drawings

The invention is further explained below with reference to the figures and examples:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic top perspective view of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the hidden steel box girder of the present invention;

fig. 4 is a schematic view of the connection between the insertion groove and the insertion block of the present invention.

Description of reference numerals:

1. a steel box girder body; 11. a limiting groove; 2. a fixing assembly; 21. fixing a column; 22. a sliding post; 23. a threaded rod; 231. operating a rotating handle; 3. fixing grooves; 31. flaring; 4. a limiting plate; 5. t-shaped reinforcing ribs; 51. a limiting block; 6. a weight removal groove; 7. inserting grooves; 71. a first chamfer; 8. an insertion block; 81. a second chamfer; 9. t-shaped grooves.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.

The utility model discloses an improve and provide an interchange steel case roof beam with limit function here, the technical scheme of the utility model is:

as shown in fig. 1-4, the overpass steel box girder with the limiting function comprises a steel box girder body 1 and a fixing component 2, wherein the fixing component 2 comprises a fixing column 21, a sliding column 22 and a threaded rod 23, the upper surface of the fixing column 21 is fixed with the bottom surface of the steel box girder body 1, the sliding column 22 is in sliding connection with the bottom surface of the steel box girder body 1, one end of the threaded rod 23 penetrates through the sliding column 22 and is in clearance fit with the sliding column 22, an operating rotating handle 231 is fixed at one end of the threaded rod 23 far away from the fixing column 21, one end of the threaded rod 23 penetrating through the sliding column 22 is in rotating connection with the side wall on one side of the fixing column 21, a fixing groove 3 used for clamping a temporary support or a main support is formed in the side wall on one side, which the fixing column 21 and the sliding column 22 are close to each other, and an opening 31 is formed in the fixing groove 3.

Through the setting of fixed subassembly 2, when needs are fixed steel box girder body 1 with temporary support or main support, constructor only need to rotate 231 rotation threaded rod 23 through the operation, make threaded rod 23 drive sliding column 22 to the one side removal that is close to fixed column 21, and cooperate through fixed slot 3 on the fixed column 21 and fixed slot 3 on the sliding column 22 jointly and press from both sides tight temporary support or main support, so that fix and spacing steel box girder body 1, operating procedure is brief and fixed effect is better, be favorable to follow-up long-term the use.

Further, limiting groove 11 has been seted up to 1 bottom surface of steel box girder body, and the lateral wall that slides post 22 and keep away from fixed column 21 one side passes through the bolt fastening limiting plate 4, limiting plate 4 and limiting groove 11 joint.

Through limiting plate 4's setting, after fixed slot 3 on fixed column 21 and fixed slot 3 on the slip post 22 cooperate the tight temporary stand of clamp or main support jointly, constructor only needs to fix limiting

plate

4 and 11 joints of spacing groove, and fixed with limiting plate 4 and slip post 22 spiro union through the bolt, thereby spacing slip post 22, reduced slip post 22 and influenced the gliding probability of emergence by 1 vibrating force of steel box girder body, thereby improved the stability of fixed subassembly 2 in the use.

Further, 1 bottom surface of steel box girder body is fixed with T shape strengthening rib 5, and T shape strengthening rib 5 runs through fixed column 21 and slip post 22 and is fixed with fixed column 21, and T-slot 9 has been seted up on the surface that fixed column 21 is close to 1 one side of steel box girder body, and T shape strengthening rib 5 and T-slot 9 cooperation of sliding, and T shape strengthening rib 5 both ends all are fixed with stopper 51.

Through T strengthening rib 5's setting, the major structure intensity of steel box girder body 1 has been strengthened, cooperate T-slot 9 to use simultaneously, play the guide effect to slip post 22, it is more steady at the removal in-process to make the slip post 22, be favorable to slip post 22 and fixed column 21 to mutually support and press from both sides tight temporary support or main support, through stopper 51's setting, the situation that breaks away from with T strengthening rib 5 when having avoided slip post 22 to keeping away from fixed column 21 direction and sliding.

Furthermore, a protruding portion provided with the inserting groove 7 is integrally formed at one end of the fixed column 21 and one end of the sliding column 22, an inserting block 8 is integrally formed at the other end of the fixed column 21 and the other end of the sliding column 22, and the inserting groove 7 and the inserting block 8 are in inserting fit.

Through the setting of inserting groove 7 and inserting block 8, when a plurality of steel box girder bodies 1 splice, inserting groove 7 and inserting block 8 are pegged graft and are cooperated and are made to fix in proper order between a plurality of steel box girder bodies 1 to the operation is laid in the concatenation of steel box girder body 1 to the constructor of being convenient for.

Furthermore, the upper surface and the bottom surface of the insertion groove 7 are both provided with a first chamfer 71, and the bottom surface of the insertion block 8 is provided with a second chamfer 81.

Through the setting of first chamfer 71 and second chamfer 81, when inserting block 8 to the grafting in inserting groove 7, first chamfer 71 and second chamfer 81 contact at first, play the guide effect through first chamfer 71 and second chamfer 81 to be favorable to inserting block 8 in inserting groove 7.

Furthermore, the bottom surfaces of the fixed column 21 and the sliding column 22 are both provided with a weight removal groove 6.

Through the arrangement of the weight removal groove 6, the self weight of the fixed column 21 and the sliding column 22 is reduced, so that the whole weight of the interchange steel box girder with the limiting function is reduced, meanwhile, the consumable material of the interchange steel box girder with the limiting function is reduced, and the cost for producing the interchange steel box girder with the limiting function is favorably reduced.

The working principle is as follows: in the daily use process, a constructor needs to rotate the threaded rod 23 by operating the rotating handle 231, so that the threaded rod 23 drives the sliding column 22 to move towards one side close to the fixed column 21, and the temporary support or the main support is clamped by matching the fixed groove 3 on the fixed column 21 and the fixed groove 3 on the sliding column 22 together, then the constructor only needs to clamp and fix the limiting plate 4 and the limiting groove 11, and fix the limiting plate 4 and the sliding column 22 in a threaded manner by a bolt, so that the sliding column 22 is limited, the steel box girder body 1 is convenient to fix and limit, the operation steps are short, the fixing effect is good, and the subsequent long-term use is facilitated; meanwhile, through the arrangement of the weight removal groove 6, the self weight of the fixed column 21 and the sliding column 22 is reduced, so that the whole weight of the interchange steel box girder with the limiting function is reduced, the material consumption of the interchange steel box girder with the limiting function is reduced, and the cost for producing the interchange steel box girder with the limiting function is reduced.

Claims

1. The utility model provides a grade separation steel box girder with limit function which characterized in that: including steel box girder body (1) and fixed subassembly (2), fixed subassembly (2) are including fixed column (21), slip post (22) and threaded rod (23), fixed column (21) upper surface is fixed with steel box girder body (1) bottom surface, slip post (22) and steel box girder body (1) bottom surface sliding connection, threaded rod (23) one end run through slip post (22) and with slip post (22) clearance fit, threaded rod (23) run through the one end of slip post (22) and the lateral wall rotation of fixed column (21) one side is connected, fixed column (21) and slip post (22) are close to the lateral wall of one side each other and all offer fixed slot (3) that are used for pressing from both sides tight temporary support or main support.

2. The interchange steel box girder with the limiting function according to claim 1, characterized in that: spacing groove (11) have been seted up to steel box girder body (1) bottom surface, the lateral wall that fixed column (21) one side was kept away from in slip post (22) passes through bolt fastening limiting plate (4), limiting plate (4) and spacing groove (11) joint.

3. The interchange steel box girder with the limiting function according to claim 1, characterized in that: t-shaped reinforcing ribs (5) are fixed to the bottom face of the steel box girder body (1), the T-shaped reinforcing ribs (5) penetrate through the fixing column (21) and the sliding column (22) and are fixed to the fixing column (21), T-shaped grooves (9) are formed in the surface, close to one side of the steel box girder body (1), of the fixing column (21), the T-shaped reinforcing ribs (5) are matched with the T-shaped grooves (9) in a sliding mode, and limiting blocks (51) are fixed to the two ends of each T-shaped reinforcing rib (5).

4. The interchange steel box girder with the limiting function according to claim 1, characterized in that: the plug-in connection structure is characterized in that one end of each of the fixed column (21) and the sliding column (22) is integrally formed with a protruding portion provided with a plug-in connection groove (7), the other end of each of the fixed column (21) and the sliding column (22) is integrally formed with a plug-in connection block (8), and the plug-in connection grooves (7) are in plug-in connection with the plug-in connection blocks (8).

5. The interchange steel box girder with the limiting function according to claim 4, characterized in that: the upper surface and the bottom surface of the insertion groove (7) are both provided with first chamfers (71), and the bottom surface of the insertion block (8) is provided with a second chamfer (81).

6. The interchange steel box girder with the limiting function according to claim 1, characterized in that: and an opening of the fixing groove (3) is provided with a flared opening (31).

7. The interchange steel box girder with the limiting function according to claim 1, characterized in that: an operation rotating handle (231) is fixed at one end of the threaded rod (23) far away from the fixed column (21).

8. The interchange steel box girder with the limiting function according to claim 1, characterized in that: the bottom surfaces of the fixed column (21) and the sliding column (22) are provided with weight removing grooves (6).