CN215800940U

CN215800940U - Upper and lower layered structure for steel box girder

Info

Publication number: CN215800940U
Application number: CN202120271521.6U
Authority: CN
Inventors: 彭鹏; 何勇杰; 田涛
Original assignee: Hubei Huichuang Heavy Engineering Co ltd
Current assignee: Hubei Huichuang Heavy Engineering Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2022-02-11
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses an upper and lower layered structure for a steel box girder, which comprises an upper box girder, a connecting pad, a mounting plate, a guide rod and a mounting block, wherein a lower box girder is arranged below the upper box girder, the upper surface of the lower box girder is provided with the connecting block, the inner side of the connecting block is provided with a limiting rod, the left end and the right end of the upper box girder are both provided with wing plates, the lower ends of the wing plates are attached to the connecting pad, the mounting plate is arranged below the connecting pad, the bottom of the mounting plate is connected with a movable ball, the movable ball is rotatably connected to the inside of the top end of a support rod, the outer side of the guide rod is provided with a limiting block, the front end and the rear end of the bottom of the support rod are both provided with fixed blocks, and the mounting block is fixed at the bottom of the movable rod. This a hierarchical structure about being used for steel case roof beam has upper and lower hierarchical structure, and the transportation is convenient, and can effectively support the steel case roof beam, makes things convenient for the operation and the use of device moreover, reinforcing practicality.

Description

Upper and lower layered structure for steel box girder

Technical Field

The utility model relates to the technical field of steel box girders, in particular to an upper and lower layered structure for a steel box girder.

Background

The steel box girder is also called a steel plate box girder, is a common structural form of a large-span bridge, is widely applied by people in the field of bridge construction, and needs to use an upper and lower layered structure to adjust the construction mode of the steel box girder based on convenience in construction;

however, the common steel box girders in the market do not have an upper and lower layered structure, are inconvenient to transport, cannot effectively support the steel box girders, are inconvenient to operate and use, and have low practicability, so that an upper and lower layered structure for the steel box girders is provided, so that the problem provided in the above is solved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an upper and lower layered structure for a steel box girder, which aims to solve the problems that the prior art does not have the upper and lower layered structure, is inconvenient to transport, cannot effectively support the steel box girder, is inconvenient to operate and use and has low practicability.

In order to achieve the purpose, the utility model provides the following technical scheme: an upper and lower layered structure for a steel box girder comprises an upper box girder, a connecting pad, a mounting plate, a guide rod and a mounting block, a lower box girder is arranged below the upper box girder, the upper surface of the lower box girder is provided with a connecting block, and the inner side of the connecting block is provided with a limiting rod, the left end and the right end of the upper box girder are both provided with wing plates, the lower end of the wing plate is jointed with a connecting pad, a mounting plate is arranged below the connecting pad, the bottom of the mounting plate is connected with a movable ball, the movable ball is rotatably connected inside the top end of the supporting rod, and the outer side of the support rod is provided with a guide rod, the outer side of the guide rod is provided with a limiting block, the outer side of the limiting block is provided with a fixed plate, the front end and the rear end of the bottom of the support rod are both provided with fixed blocks, and the movable rod is installed in the outside of fixed block, the bottom of movable rod is fixed with the installation piece, and the below of installation piece is connected with the adjusting lever.

Preferably, the connecting blocks are arranged above the lower box girder at equal intervals, the connecting blocks and the limiting rods are arranged in a one-to-one correspondence mode, and the interface of the connecting blocks and the limiting rods is arranged in an inclined structure.

Preferably, the connecting pad is of an elastic structure, the connecting mode of the connecting pad and the mounting plate is in embedded connection, and the mounting plate forms a rotating structure at the top end of the supporting rod through a movable ball.

Preferably, the supporting rod forms a lifting structure through the movable rod, the outer surface of the mounting block at the bottom of the movable rod is in a toothed structure, the mounting block forms a rotating structure through the adjusting rod, and the outer surface of the middle part of the adjusting rod is in a thread structure.

Preferably, the guide rods are symmetrically arranged around the central axis of the support rod, penetrate through the limiting blocks, and the support rod is fixedly connected with the limiting blocks to form an integrated structure.

Preferably, the longitudinal section of fixed plate is "concave" font structure setting, and the fixed plate all has seted up the slot-like structure with the inside in both ends around the movable rod to the fixed block is the block with the connected mode of fixed plate and movable rod and is connected.

Compared with the prior art, the utility model has the beneficial effects that: the upper and lower layered structure for the steel box girder has an upper and lower layered structure, is convenient to transport, can effectively support the steel box girder, is convenient to operate and use, and enhances the practicability;

1. the connecting block and the limiting rod are arranged, the upper box girder and the lower box girder form the steel box girder, so that the steel box girder has an upper layered structure and a lower layered structure, the transportation is more convenient, and when the upper box girder and the lower box girder are installed through the clamping of the connecting block and the limiting rod, the upper box girder and the lower box girder can be close to each other in the clamping process because the interfaces of the connecting block and the limiting rod are in an inclined structure, so that the upper box girder and the lower box girder are connected more stably and tightly;

2. the wing plate can be supported by the support rod and the mounting plate, the friction force between the mounting plate and the wing plate can be improved under the action of the connection pad of the elastic structure, the abrasion can be avoided, the mounting plate and the wing plate can be conveniently and fully attached under the action of the movable ball which is rotatably connected with the support rod, and the steel box girder can be effectively supported;

3. be provided with movable rod and installation piece, be the adjusting lever of screw thread column structure through rotating the surface, the movable rod that all seted up the trough-shaped structure inside both ends around the effect of the installation piece that the surface is nibbling dentate structure drives rotates, drives the bracing piece and goes up and down under the effect of fixed block to be convenient for support the steel case roof beam of different specifications, make things convenient for device's operation and use, the practicality is strong.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic diagram of a side view structure of the connection between the limiting block and the fixing plate of the present invention;

FIG. 3 is a schematic view of a top view of the connection between the fixed block and the movable rod according to the present invention;

FIG. 4 is a schematic diagram of a side view of the connection between the connecting block and the limiting rod according to the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1 according to the present invention.

In the figure: 1. an upper box girder; 2. a lower box girder; 3. connecting blocks; 4. a limiting rod; 5. a wing plate; 6. a connecting pad; 7. mounting a plate; 8. a movable ball; 9. a support bar; 10. a guide bar; 11. a limiting block; 12. a fixing plate; 13. a fixed block; 14. a movable rod; 15. mounting blocks; 16. an adjusting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a top and bottom layered structure for a steel box girder comprises an upper box girder 1, a lower box girder 2, a connecting block 3, a limiting rod 4, a wing plate 5, a connecting pad 6, a mounting plate 7, a movable ball 8, a supporting rod 9, a guide rod 10, a limiting block 11, a fixing plate 12, a fixing block 13, a movable rod 14, a mounting block 15 and an adjusting rod 16, wherein the lower box girder 2 is arranged below the upper box girder 1, the connecting block 3 is arranged on the upper surface of the lower box girder 2, the limiting rod 4 is arranged on the inner side of the connecting block 3, the wing plates 5 are arranged on the left and right ends of the upper box girder 1, the connecting pad 6 is attached to the lower end of the wing plate 5, the mounting plate 7 is arranged below the connecting pad 6, the movable ball 8 is connected to the bottom of the mounting plate 7, the movable ball 8 is rotatably connected inside the top end of the supporting rod 9, the guide rod 10 is arranged on the outer side of the supporting rod 9, the limiting block 11 is arranged on the outer side of the guide rod 10, and the fixed plate 12 is installed in the outside of stopper 11, and both ends all are provided with fixed block 13 around the bottom of bracing piece 9, and the outside of fixed block 13 installs movable rod 14, and the bottom of movable rod 14 is fixed with installation piece 15, and the below of installation piece 15 is connected with adjusting lever 16.

As shown in fig. 1, 4 and 5, the connecting blocks 3 are arranged above the lower box girder 2 at equal intervals, the connecting blocks 3 and the limiting rods 4 are arranged in a one-to-one correspondence manner, and the interfaces of the connecting blocks 3 and the limiting rods 4 are arranged in an inclined structure, so that the steel box girder has an up-and-down structure, the transportation is more convenient, the connecting pads 6 are of an elastic structure, the connecting manner of the connecting pads 6 and the mounting plate 7 is in embedded connection, the mounting plate 7 forms a rotating structure at the top end of the supporting rod 9 through the movable ball 8, the mounting plate 7 and the wing plate 5 are conveniently and fully attached, and the supporting stability is enhanced;

as shown in fig. 1, 2 and 3, the supporting rod 9 forms a lifting structure through the movable rod 14, the outer surface of the mounting block 15 at the bottom of the movable rod 14 is in a toothed structure, the mounting block 15 forms a rotating structure through the adjusting rod 16, the outer surface of the middle part of the adjusting rod 16 is in a threaded structure, the mounting block 15 and the movable rod 14 are conveniently driven to rotate through the adjusting rod 16, and the operation and use are convenient, the guide rods 10 are symmetrically arranged in front and back of the central axis of the supporting rod 9, the guide rods 10 penetrate through the limiting blocks 11, the supporting rod 9 and the limiting blocks 11 are fixedly connected into an integrated structure, the lifting stability of the supporting rod 9 can be improved, the longitudinal section of the fixing plate 12 is in a concave structure, groove-shaped structures are respectively arranged in the front and back ends of the fixing plate 12 and the movable rod 14, and the fixing plate 13, the fixing plate 12 and the movable rod 14 are connected in a clamping manner, the supporting rod 9 is driven to lift through the rotation of the movable rod 14, and steel box girders with different specifications are supported conveniently.

The working principle is as follows: when the structure is used, firstly, the steel box girder is formed by combining an upper box girder 1 and a lower box girder 2 in the drawing 1 together, so that the steel box girder has an upper and lower layered structure, the transportation is more convenient, in the process of carrying out combined installation on the upper box girder 1 and the lower box girder 2, a connecting block 3 in a control chart 4 is inserted into a groove-shaped structure arranged at the bottom of the upper box girder 1, and the connecting block 3 is clamped and connected with a limiting rod 4, and because the interface between the connecting block 3 and the limiting rod 4 is in an inclined structure, in the clamping process of the two, the upper box girder 1 and the lower box girder 2 can be close to each other, and the connecting block 3 and the limiting rod 4 are arranged at equal intervals, so that the connection between the upper box girder 1 and the lower box girder 2 is more stable and compact, and the subsequent welding is convenient;

in the transportation and installation process of the steel box girder, the adjusting rod 16 with the thread-shaped structure on the outer surface in fig. 1 is manually rotated, under the action of the installation block 15 with the tooth-shaped structure on the outer surface, the movable rod 14 with the groove-shaped structure on the inner parts of the front and rear ends can be driven to rotate, the supporting rod 9 and the installation plate 7 are driven to lift under the action of the fixed block 13 which is clamped and connected with the movable rod 14 and the fixed plate 12, and under the action of the guide rod 10 penetrating through the inner part of the limiting block 11 in fig. 2, the lifting stability of the supporting rod 9 can be improved, thereby being convenient for supporting the steel box girders with different specifications, being convenient for the operation and the use of the device, the practicability is strong, the adjusting rod 16 can be limited through the inserted pin, the supporting effect is prevented from being influenced by the random rotation of the adjusting rod 16, the wing plate 5 can be supported through the supporting rod 9 and the installation plate 7, and under the action of the connecting pad 6 with the elastic structure, can improve the frictional force between mounting panel 7 and the pterygoid lamina 5, further improve support stability, in addition in figure 5 with bracing piece 9 rotate the effect of the movable ball 8 of being connected under, conveniently adjust the angle of mounting panel 7, make its with pterygoid lamina 5's abundant laminating, can effectively support the steel box girder, just accomplish a series of operations that should be used for hierarchical structure about the steel box girder above.

The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a hierarchical structure about being used for steel box girder, includes last box girder (1), connection pad (6), mounting panel (7), guide bar (10) and installation piece (15), its characterized in that: the box comprises an upper box beam (1), a lower box beam (2) is arranged below the upper box beam (1), a connecting block (3) is arranged on the upper surface of the lower box beam (2), a limiting rod (4) is arranged on the inner side of the connecting block (3), wing plates (5) are arranged at the left end and the right end of the upper box beam (1), a connecting pad (6) is attached to the lower end of each wing plate (5), a mounting plate (7) is arranged below each connecting pad (6), a movable ball (8) is connected to the bottom of each mounting plate (7), each movable ball (8) is rotatably connected to the inside of the top end of a supporting rod (9), a guide rod (10) is arranged on the outer side of each supporting rod (9), a limiting block (11) is arranged on the outer side of each guide rod (10), a fixing plate (12) is arranged on the outer side of each limiting block (11), and fixing blocks (13) are arranged at the front end and the rear end of the bottom of each supporting rod (9), and movable rod (14) are installed in the outside of fixed block (13), the bottom of movable rod (14) is fixed with installation piece (15), and the below of installation piece (15) is connected with adjusting lever (16).

2. The upper and lower layered structure for a steel box girder according to claim 1, wherein: connecting block (3) are equidistant setting in the top of lower case roof beam (2), and connecting block (3) are the one-to-one setting with gag lever post (4) to the interface of connecting block (3) and gag lever post (4) all is the slope structure setting.

3. The upper and lower layered structure for a steel box girder according to claim 1, wherein: the connecting pad (6) is of an elastic structure, the connecting mode of the connecting pad (6) and the mounting plate (7) is embedded connection, and the mounting plate (7) forms a rotating structure on the top end of the supporting rod (9) through a movable ball (8).

4. The upper and lower layered structure for a steel box girder according to claim 1, wherein: the supporting rod (9) forms a lifting structure through the movable rod (14), the outer surface of the mounting block (15) at the bottom of the movable rod (14) is of a toothed structure, the mounting block (15) forms a rotating structure through the adjusting rod (16), and the outer surface of the middle of the adjusting rod (16) is of a thread-shaped structure.

5. The upper and lower layered structure for a steel box girder according to claim 1, wherein: the guide rod (10) is symmetrically arranged around the central axis of the support rod (9), the guide rod (10) penetrates through the inside of the limiting block (11), and the support rod (9) and the limiting block (11) are fixedly connected to form an integrated structure.

6. The upper and lower layered structure for a steel box girder according to claim 1, wherein: the longitudinal section of fixed plate (12) is "concave" font structure setting, and fixed plate (12) and movable rod (14) the front and back both ends inside all seted up the slot-like structure to fixed block (13) are the block with the connected mode of fixed plate (12) and movable rod (14) and are connected.