CN220414017U - Steel trestle bailey beam limiting and connecting mechanism - Google Patents

Abstract

The utility model discloses a steel trestle bailey beam limiting connection mechanism, which belongs to the technical field of bridge construction and comprises a bailey truss and a steel beam, wherein limiting blocks are fixedly connected to two ends of the bailey truss, one side of the steel beam is provided with a mounting groove, the truss limiting blocks are in adaptive plug connection with the mounting groove, a socket is formed on the surface of each truss limiting block in a penetrating manner, a plug board is fixedly connected to the position of the inner groove wall of each truss mounting groove relative to the socket, a sliding groove is formed in one side of the steel beam relative to the bottom of each mounting groove, a limiting column is connected to the opening of one side of each truss sliding groove close to each mounting groove in a penetrating and sliding manner, and the truss limiting columns are in relative position through plug connection with the plug boards; when the bailey truss is connected with the steel cross beam, the bailey truss is assembled and connected with the steel cross beam quickly through the insertion of the mounting groove and the limiting block, then the bailey truss is inserted into the socket through the inserting plate, and the limiting column which is slidably lifted below the bailey truss passes through the inserting plate, so that the limiting and fixing of the limiting block are realized, the assembly is convenient and efficient, and the construction difficulty is reduced.

Description

Steel trestle bailey beam limiting and connecting mechanism

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a steel trestle bailey beam limiting and connecting mechanism.

Background

The Bailey beam is a tool for rapidly erecting a bridge, has the advantages of simple structure, convenient transportation, rapid erection, large carrying capacity and strong adaptability, is a material used for building a steel trestle, is a temporary structure for bridge construction service projects, and is a convenient raw material, machine equipment and staff in bridge engineering construction, a temporary trestle usually has to be built, and then a required bridge main body is built on the trestle.

The searched patent publication number is: the 'bailey beam connecting mechanism' of CN209703315U comprises a bailey beam, a bridge deck support piece and an auxiliary connecting component, wherein the bottom surface of the bridge deck support piece is lapped on the bailey beam, the auxiliary connecting component is locked on the bailey beam, the auxiliary connecting component is connected with the bridge deck support piece, the auxiliary connecting component is positioned below the top surface of the bridge deck support piece, and the bridge deck support piece is tightly forbidden to be welded in the using process based on the bailey beam, so that the bridge deck support piece is further connected with the bridge deck support piece after being locked on the bailey beam through the auxiliary connecting component, the limiting and fixing of the bridge deck support piece on the bailey beam is realized, and the flatness of the top surface of the bridge deck support piece is not influenced when the limiting and fixing of the bridge deck support piece is realized, so that the bridge panel laid on the top surface of the bridge deck support piece is more flat; above-mentioned scheme passes through U type buckle spare and is connected with bailey roof beam, then U type buckle spare passes through welded connection with the crossbeam structure again, although has solved the outstanding problem of U type bolt, still need be connected with landing stage crossbeam through welded mode when the installation, when earlier installation and follow-up dismantlement, when adopting this method to install, dismantle all more difficultly, extravagant a large amount of engineering time moreover.

Disclosure of Invention

The utility model aims to provide a steel trestle bailey beam limiting connection mechanism, which solves the problems that the trestle beam limiting connection mechanism still needs to be connected with a trestle beam in a welding mode in the installation process in the background technology, and the installation and the disassembly are difficult and a large amount of construction time is wasted when the method is adopted for the installation in the earlier stage and the subsequent disassembly.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a steel landing stage bailey beam spacing coupling mechanism, includes bailey truss, steel crossbeam, bailey truss both ends fixedly connected with stopper, the mounting groove has been seted up to one side of steel crossbeam, stopper and mounting groove adaptation grafting, the stopper surface runs through and has seted up the socket, the relative position fixedly connected with picture peg of socket of mounting groove inside slot wall, the spout has been seted up to one side inside the relative mounting groove tank bottom of steel crossbeam, one side opening that the spout is close to the mounting groove runs through sliding connection has spacing post, spacing post runs through the grafting with picture peg relative position.

Further, the bottom position of the steel cross beam relative to the chute penetrates through and rotates to be connected with a threaded rod, the top end of the threaded rod penetrates through and is in threaded connection with one end opposite to the limiting column, a sliding rod is fixedly connected with the inner chute wall of the chute, and the sliding rod penetrates through and is in sliding connection with the limiting column.

Further, the bottom outside the threaded rod is fixedly connected with a rotating block.

Further, the limiting block is fixedly connected with a limiting plate at the position, close to the side wall, of one end of the limiting post, penetrating through the plugboard, a limiting groove is formed in the position, corresponding to the end of the limiting post, of the limiting plate, and the limiting plate and the limiting groove are mutually matched and spliced.

Further, the gap positions of the groove wall in the mounting groove and the limiting block are filled with the matched filling blocks.

Further, the limiting block is I-shaped, and the socket is arranged at the center of the I-shaped structure.

Further, the circular arc edge of the through hole of the plugboard is parallel to the edge of the side wall of the installation groove, into which the limiting block is inserted.

Further, the limiting block and the bailey truss are integrally cast and formed

Compared with the prior art, the utility model has the beneficial effects that:

when the bailey truss is connected with the steel cross beam, the bailey truss is inserted into the socket through the mounting groove and the limiting block, then the inserting plate is inserted into the socket, and the limiting column which is slidably lifted below the inserting plate penetrates through the inserting plate, so that the limiting block is limited and fixed, the bailey truss and the steel cross beam can be quickly assembled and connected, the assembly is more convenient and efficient, the construction difficulty is reduced, and the construction efficiency is improved;

through the installation spacing of mounting groove and stopper for the horizontal all directions of bailey truss obtain spacingly, and then realize the omnidirectional fixed spacing of truss, can avoid the bailey truss to produce the slip through foretell spacing connection, promote the connection installation stability of bailey beam.

Drawings

Fig. 1 is a schematic perspective view of a connection structure of a beret beam according to the present utility model;

fig. 2 is a schematic cross-sectional view of a connection structure of a bailey beam in the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 1 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 2B according to the present utility model;

fig. 5 is a schematic view of a part of the structure of a steel beam according to the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. beret truss; 2. a steel cross beam; 3. a limiting block; 4. a mounting groove; 5. a socket; 6. inserting plate; 7. a chute; 8. a limit column; 9. a threaded rod; 10. a slide bar; 11. a rotating block; 12. a limiting plate; 13. a limit groove; 14. and filling the blocks.

Detailed Description

Example 1

Please refer to fig. 1-4: the utility model provides a steel landing stage bailey beam spacing coupling mechanism, including bailey truss 1, steel crossbeam 2, bailey truss 1 both ends fixedly connected with stopper 3, stopper 3 and bailey truss 1 are pouring the shaping as an organic whole and are made, mounting groove 4 has been seted up to one side of steel crossbeam 2, stopper 3 and mounting groove 4 adaptation grafting, bailey truss 1 and steel crossbeam 2 pass through the sliding connection of stopper 3 and mounting groove 4, make the connection convenient simultaneously, guarantee to connect stably and prevent to slide, socket 5 has been seted up on stopper 3 surface, stopper 3 is the I shape, and socket 5 is seted up in I shape structure central point, the position fixedly connected with picture peg 6 of mounting groove 4 inside groove wall relative socket 5, picture peg 6 inserts socket 5, make the vertical spacing of stopper 3, prevent to drop, one side opening that steel crossbeam 2 is relative to the bottom of mounting groove 4 is inside to be seted up, one side opening that spout 7 is close to mounting groove 4 runs through sliding connection has spacing post 8, spacing post 8 runs through with picture peg 6 relative position, the through-hole edge of picture peg 6 is parallel with the lateral wall edge that stopper 3 inserts mounting groove 4, insert into the mounting groove 4 interior lateral wall edge through spacing post 8, insert 6 to 6 and realize through spacing post 6 and stop 6, and realize that it is fast to connect with roller 1 with the bridge 2, realization of quick connection of bridge 1 and quick connection of bridge girder.

The bottom position of the steel beam 2 relative to the chute 7 is penetrated and rotationally connected with a threaded rod 9, the top end of the threaded rod 9 penetrates through the opposite end of the limiting column 8 and is in threaded connection, the inner wall of the chute 7 is fixedly connected with a sliding rod 10, the sliding rod 10 penetrates through the limiting column 8 and is in sliding connection, the outer bottom end of the threaded rod 9 is fixedly connected with a rotating block 11, the threaded rod 9 and the limiting column 8 of the steel beam 2 are arranged, and therefore the follow-up steel beam 2 and the bailey truss 1 are convenient to disassemble and assemble, the disassembly difficulty is small, the damage after disassembly is small, and follow-up reuse is convenient.

Example two

As shown in fig. 3-4, further improvements were made over example 1:

in order to further promote and connect spacing effect, limit groove 13 has been seted up through the end position of spacing post 8 relative stopper 3, limit groove 13 looks adaptation grafting has limiting plate 12 each other, limiting plate 12 fixed connection is in the relative lateral wall position of stopper 3, the gap position of cell wall and stopper 3 is filled with the filler 14 of adaptation in the mounting groove 4, peg graft through the adaptation of limiting plate 12 and limiting groove 13, and then make spacing post 8 pass behind picture peg 6, further spacing, prevent that it from appearing rocking, guarantee the connection stability of bailey truss 1, the gap of filling stopper 3 and mounting groove 4 through filler 14 simultaneously, further promote the stability of both connections, reduce rocking skew.

Working principle: when the bailey truss 1 and the steel cross beam 2 are assembled and connected, the limiting block 3 is inserted in the mounting groove 4 in a sliding manner, the inserting plate 6 is inserted into the inserting opening 5, then the rotating block 11 is rotated by hand to drive the threaded rod 9 to rotate, then the threaded rod 9 and the limiting column 8 are rotated in a threaded manner, at the moment, the limiting column 8 is limited by the sliding rod 10 to enable the limiting column 8 to slide upwards in the sliding groove 7, then the limiting column 8 penetrates through the inserting plate 6, the limiting block 3 is further enabled to achieve limiting, limiting connection of the bailey truss 1 and the steel cross beam 2 is achieved, and then the filling block 14 is filled into a gap between the limiting block 3 and the inner groove of the mounting groove 4 in a beating manner.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (8)

1. The utility model provides a spacing coupling mechanism of steel landing stage bailey beam, includes bailey truss (1), steel crossbeam (2), its characterized in that: the novel steel truss is characterized in that limiting blocks (3) are fixedly connected to two ends of the beret truss (1), one side of the steel beam (2) is provided with a mounting groove (4), the limiting blocks (3) are connected with the mounting groove (4) in an adaptive mode, inserting holes (5) are formed in the surface of the limiting blocks (3) in a penetrating mode, inserting plates (6) are fixedly connected to the inner groove walls of the mounting groove (4) in positions, corresponding to the inserting holes (5), of one side, corresponding to the bottom of the mounting groove (4), of the steel beam (2), sliding grooves (7) are formed in the inner portion, corresponding to one side of the bottom of the mounting groove (4), of the sliding grooves (7), limiting columns (8) are connected with limiting columns (8) in a penetrating mode, and the corresponding positions of the limiting columns (8) and the inserting plates (6) are connected in a penetrating mode.

2. The steel trestle bailey beam limiting connection mechanism according to claim 1, wherein the steel cross beam (2) penetrates through and is rotationally connected with a threaded rod (9) at the bottom position of the steel cross beam relative to the sliding groove (7), the top end of the threaded rod (9) penetrates through and is in threaded connection with the opposite end of the limiting column (8), a sliding rod (10) is fixedly connected with the inner groove wall of the sliding groove (7), and the sliding rod (10) penetrates through and is in sliding connection with the limiting column (8).

3. The steel trestle bailey beam limiting connection mechanism according to claim 2, wherein the bottom end of the threaded rod (9) outside is fixedly connected with a rotary block (11).

4. The steel trestle bailey beam limiting and connecting mechanism according to claim 1, wherein a limiting plate (12) is fixedly connected to the limiting block (3) near the side wall position of one end of the limiting column (8) penetrating through the plugboard (6), a limiting groove (13) is formed in the end position of the limiting column (8) opposite to the limiting plate (12), and the limiting plate (12) and the limiting groove (13) are mutually matched and spliced.

5. The steel trestle bailey beam limiting connection mechanism according to claim 1, wherein the gap positions of the inner groove wall of the mounting groove (4) and the limiting block (3) are filled with adaptive filling blocks (14).

6. The steel trestle bailey beam limiting and connecting mechanism according to claim 1, wherein the limiting block (3) is I-shaped, and the socket (5) is arranged at the center of the I-shaped structure.

7. The steel trestle bailey beam limiting connection mechanism according to claim 1, wherein the circular arc edge of the through hole of the inserting plate (6) is parallel to the edge of the side wall of the mounting groove (4) inserted by the limiting block (3).

8. The steel trestle bailey beam limiting connection mechanism according to claim 1, wherein the limiting block (3) and the bailey truss (1) are integrally cast and formed.