CN219218732U

CN219218732U - Structure for reinforcing steel box girder

Info

Publication number: CN219218732U
Application number: CN202223396128.3U
Authority: CN
Inventors: 曹继军
Original assignee: Wuhan South China Kaida Construction Engineering Co ltd
Current assignee: Wuhan South China Kaida Construction Engineering Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-20
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to a structure for reinforcing a steel box girder, which comprises a bottom plate, wherein a protection box and four support rods are fixed on the upper surface of the bottom plate, an adjusting mechanism is arranged on the upper surface of the bottom plate, and a box body is arranged on the adjusting mechanism. This consolidate steel case roof beam's structure, through the guiding mechanism who sets up, the second motor drives the second bull stick and rotates, the second bull stick passes through drive assembly and drives two second threaded rods and rotate, and make pole cover and box remove together, place the roof beam body behind the box upper surface, first motor drives first bull stick and first awl tooth rotatory, and drive second awl tooth and first threaded rod rotation through first awl tooth, make two movable blocks relative movement, and drive the roof beam body and remove, and the T shape piece of roof beam body lower surface can slide the inside of the T-shaped groove of box upper surface, when two roof beams are relative to remove, the inside that the slot can be blocked to the inserted block, make two roof beam bodies fixed better stability, the convenience is installed the roof beam body, and improved the supporting effect.

Description

Structure for reinforcing steel box girder

Technical Field

The utility model relates to the technical field of steel box girders, in particular to a structure for reinforcing the steel box girders.

Background

The steel box girder, also called as steel plate box girder, is a common structural form of a large-span bridge, is generally used on a bridge with a large span, and is called as a steel box girder because of the appearance of a box.

For example, chinese patent (publication No. CN 211285216U) discloses a steel box girder with a reinforcing structure, where an annular clamping groove, an annular collar, a slot and an insert are fixedly connected, so that a first girder body and a second girder body are fixedly connected, two sides of a reinforcing plate are respectively fixed at one side of the first girder body and one side of the second girder body, the steel box girder is reinforced, the tightness between the first girder body and the second girder body and a supporting structure is regulated, the fixing effect of the device is sufficiently improved, but when the first girder body and the second girder body are fixed, the second girder body is required to be inserted into the first girder body, and then is fixed by matching a bolt and a nut, but because the nut is only abutted against the lower surface of the girder body, once the nut is loose, the first girder body and the second girder body may be loosened, and the installation and use of the first girder body and the second girder body are affected.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a structure for reinforcing a steel box girder, which has the advantages of stability and the like, and solves the problem of unstable structure fixation of the existing reinforced steel box girder.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the structure for reinforcing the steel box girder comprises a bottom plate, wherein a protection box and four support rods are fixed on the upper surface of the bottom plate, an adjusting mechanism is arranged on the upper surface of the bottom plate, a box body is arranged on the adjusting mechanism, two girder bodies are abutted to the upper surface of the box body, and a mounting mechanism is arranged in the box body;

the installation mechanism comprises a first motor fixed on the lower surface of the inner cavity of the box body, a first rotating rod is fixed on an output shaft of the first motor, first bevel gears are fixed on the outer surface of the first rotating rod, the installation mechanism further comprises two first threaded rods which are connected to the front side and the rear side of the inner cavity of the box body in a rotating mode through bearing seats, second bevel gears meshed with the first bevel gears are fixed on the opposite sides of the two first threaded rods, and moving blocks penetrating through and extending to the upper portion of the box body are connected to the outer surface of the first threaded rods in a threaded mode.

Further, the draw-in groove has been seted up to the lower surface of the roof beam body, movable block sliding connection is in the inside of draw-in groove.

Further, two T-shaped grooves are formed in the upper surface of the box body, T-shaped blocks are fixed on the lower surface of the beam body, and the T-shaped blocks are connected to the inner portions of the T-shaped grooves in a sliding mode.

Further, two baffles are fixed between the upper side and the lower side of the inner cavity of the box body, a slide bar is fixed on one side of each baffle, which is opposite to the other side, a slide hole is formed in the front face of the moving block, and the moving block is connected to the outer surface of the slide bar in a sliding manner through the slide hole.

Further, the front end the back of the beam body is fixed with the insert, and the rear end the slot has been seted up in the front of the beam body, insert sliding connection in the inside of slot.

Further, guiding mechanism is including being fixed in the second motor of bottom plate upper surface, the output shaft of second motor is fixed with the second bull stick, the surface of second bull stick is equipped with drive assembly, guiding mechanism still includes through the bearing frame rotation connect in the bottom plate upper surface and run through and extend to two second threaded rods of guard box top, the surface threaded connection of second threaded rod has the pole cover.

Further, the transmission assembly comprises a first sprocket fixed on the outer surface of the second rotating rod and a second sprocket fixed on the outer surface of the second threaded rod, and the outer surfaces of the first sprocket and the two second sprockets are in transmission connection with a chain.

Further, the rod sleeve is fixed on the lower surface of the box body, two rotating holes are formed in the upper surface of the protection box, and the second threaded rod is connected to the inside of the rotating holes in a rotating mode through a bearing.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

this consolidate steel case roof beam's structure, through the guiding mechanism who sets up, the second motor drives the second bull stick and rotates, the second bull stick passes through drive assembly and drives two second threaded rods and rotate, and make pole cover and box remove together, place the roof beam body behind the box upper surface, first motor drives first bull stick and first awl tooth rotatory, and drive second awl tooth and first threaded rod rotation through first awl tooth, make two movable blocks relative movement, and drive the roof beam body and remove, and the T shape piece of roof beam body lower surface can slide the inside of the T-shaped groove of box upper surface, when two roof beams are relative to remove, the inside that the slot can be blocked to the inserted block, make two roof beam bodies fixed better stability, the convenience is installed the roof beam body, and improved the supporting effect.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a left side schematic view of the mounting mechanism of the present utility model;

fig. 3 is a schematic structural view of the adjusting mechanism of the present utility model.

In the figure: 1 bottom plate, 2 guard boxes, 3 guiding mechanism, 301 second motor, 302 second bull stick, 303 drive assembly, 304 second threaded rod, 305 pole cover, 4 bracing piece, 5 roof beam body, 6 boxes, 7 installation mechanism, 701 first motor, 702 first bull stick, 703 first awl tooth, 704 first threaded rod, 705 second awl tooth, 706 movable block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-2, a structure for reinforcing a steel box girder in this embodiment includes a base plate 1, a protection box 2 and four support rods 4 are fixed on an upper surface of the base plate 1, an adjusting mechanism 3 is disposed on an upper surface of the base plate 1, a box body 6 is disposed on the adjusting mechanism 3, two girder bodies 5 are abutted to an upper surface of the box body 6, an insert block is fixed on a back surface of a front girder body 5, a slot is provided on a front surface of a rear girder body 5, the insert block is slidably connected in the slot, the two girder bodies 5 are conveniently fixed with better stability, a mounting mechanism 7 is disposed in the box body 6, the height of the box body 6 is adjusted through the adjusting mechanism 3, and after the two girder bodies 5 are mounted through the mounting mechanism 7, the support rods 4 are fixedly connected with the girder bodies 5 to support the girder bodies 5.

Referring to fig. 2 again, in order to facilitate the installation of the beam 5, the installation mechanism 7 in this embodiment includes a first motor 701 fixed on the lower surface of the inner cavity of the box 6, a first rotating rod 702 is fixed on an output shaft of the first motor 701, first conical teeth 703 are fixed on an outer surface of the first rotating rod 702, the installation mechanism 7 further includes two first threaded rods 704 rotatably connected to front and rear sides of the inner cavity of the box 6 through bearing seats, second conical teeth 705 meshed with the first conical teeth 703 are fixed on opposite sides of the two first threaded rods 704, the first conical teeth 703 are driven to rotate through the first rotating rod 702, the second conical teeth 705 and the first threaded rods 704 are driven to rotate through the first conical teeth 703, and a moving block 706 penetrating and extending to the upper portion of the box 6 is connected to the outer surface of the first threaded rods 704 through threads, and is driven to move through the first threaded rods 706.

Wherein, the draw-in groove has been seted up to the lower surface of the roof beam body 5, and movable block 706 sliding connection is in the inside of draw-in groove, moves through movable block 706, drives roof beam body 5 and removes, and two T-shaped grooves have been seted up to the upper surface of box 6, and the lower surface mounting of roof beam body 5 has T shape piece, and T shape piece sliding connection is in the inside in T-shaped groove for fixed roof beam body 5.

In addition, two baffles are fixed between the upper side and the lower side of the inner cavity of the box body 6, sliding rods are fixed on one sides of the two baffles, which are opposite to each other, sliding holes are formed in the front face of the moving block 706, the moving block 706 is connected to the outer surface of the sliding rods in a sliding mode through the sliding holes, and stability of the moving block 706 during moving is improved.

In the installation mechanism 7 in this embodiment, the first motor 701 drives the first rotating rod 702 and the first bevel gear 703 to rotate, and drives the second bevel gear 705 and the first threaded rod 704 to rotate through the first bevel gear 703, so that the two moving blocks 706 relatively move, and drive the beam bodies 5 to move, thereby facilitating the installation of the two beam bodies 5.

Referring to fig. 3, in order to adjust the beam 5, the adjusting mechanism 3 in the present embodiment includes a second motor 301 fixed on the upper surface of the base plate 1, the second motor 301 is located inside the protection box 2, an output shaft of the second motor 301 is fixed with a second rotating rod 302, a transmission assembly 303 is disposed on an outer surface of the second rotating rod 302, the adjusting mechanism 3 further includes two second threaded rods 304 rotatably connected to the upper surface of the base plate 1 through a bearing seat and extending to the upper side of the protection box 2, the second rotating rod 302 drives the two second threaded rods 304 to rotate through the transmission assembly 303, a rod sleeve 305 is screwed on an outer surface of the second threaded rod 304, and the rod sleeve 305 is driven to move through the rotation of the second threaded rods 304.

The transmission assembly 303 comprises a first sprocket fixed on the outer surface of the second rotating rod 302 and a second sprocket fixed on the outer surface of the second threaded rod 304, the outer surfaces of the first sprocket and the two second sprockets are in transmission connection with chains, and the second rotating rod 302 drives the two second threaded rods 304 to rotate through the transmission assembly 303 and drives the rod sleeve 305 to move.

In addition, the rod sleeve 305 is fixed on the lower surface of the box body 6, and the box body 6 is driven to move through the rod sleeve 305, two rotating holes are formed in the upper surface of the protection box 2, the second threaded rod 304 is rotatably connected to the inside of the rotating holes through a bearing, and stability of the second threaded rod 304 during rotation is improved.

In the adjusting mechanism 3 in the embodiment, the second motor 301 drives the second rotating rod 302 to rotate, and the second rotating rod 302 drives the two second threaded rods 304 to rotate through the transmission assembly 303, so that the rod sleeve 305 and the box 6 move together to support the beam body 5 through the box 6.

The working principle of the embodiment is as follows:

(1) After the beam body 5 is placed on the upper surface of the box body 6, the moving block 706 is clamped into a clamping groove on the lower surface of the beam body 5, the first motor 701 is started, the first motor 701 drives the first rotating rod 702 to rotate, the first rotating rod 702 can drive the first conical teeth 703 to rotate in the rotating process, the meshed second conical teeth 705 and the first threaded rod 704 are driven to rotate together through the first conical teeth 703, when the two first threaded rods 704 rotate simultaneously, the two moving blocks 706 can be driven to move relatively simultaneously, the beam body 5 is driven to move through the moving blocks 706, the T-shaped blocks on the lower surface of the beam body 5 can slide into the T-shaped groove on the upper surface of the box body 6, and when the two beam bodies 5 move relatively, the inserting blocks can be clamped into the grooves, so that the two beam bodies 5 are fixed better and stable.

(2) After the two beam bodies 5 are installed, the second motor 301 is started, the second motor 301 drives the second rotating rod 302 to rotate, the second rotating rod 302 drives the first chain wheels to rotate together when rotating, the first chain wheels drive the two second chain wheels to rotate together through the chains, the second chain wheels drive the second threaded rod 304 to rotate through the second chain wheels, the rod sleeve 305 is driven to move upwards when the second threaded rod 304 rotates, and the box body 6 is driven to move through the rod sleeve 305, so that the box body 6 supports the beam bodies 5.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure of reinforcement steel case roof beam, includes bottom plate (1), its characterized in that: the upper surface of the bottom plate (1) is fixedly provided with a protection box (2) and four supporting rods (4), the upper surface of the bottom plate (1) is provided with an adjusting mechanism (3), the adjusting mechanism (3) is provided with a box body (6), the upper surface of the box body (6) is abutted with two beam bodies (5), and the inside of the box body (6) is provided with a mounting mechanism (7);

the mounting mechanism (7) comprises a first motor (701) fixed on the lower surface of the inner cavity of the box body (6), a first rotating rod (702) is fixed on an output shaft of the first motor (701), first conical teeth (703) are fixed on the outer surface of the first rotating rod (702), the mounting mechanism (7) further comprises two first threaded rods (704) which are connected to the front side and the rear side of the inner cavity of the box body (6) through bearing seats in a rotating mode, second conical teeth (705) meshed with the first conical teeth (703) are fixed on opposite sides of the two first threaded rods (704), and moving blocks (706) penetrating through and extending to the upper side of the box body (6) are connected to the outer surface of the first threaded rods (704) in a threaded mode.

2. A reinforced steel box girder structure according to claim 1, wherein: the lower surface of the beam body (5) is provided with a clamping groove, and the moving block (706) is connected to the inside of the clamping groove in a sliding manner.

3. A reinforced steel box girder structure according to claim 1, wherein: two T-shaped grooves are formed in the upper surface of the box body (6), T-shaped blocks are fixed on the lower surface of the beam body (5), and the T-shaped blocks are connected to the inside of the T-shaped grooves in a sliding mode.

4. A reinforced steel box girder structure according to claim 1, wherein: two baffles are fixed between the upper side and the lower side of the inner cavity of the box body (6), sliding rods are fixed on one sides of the two opposite baffles, sliding holes are formed in the front face of the moving block (706), and the moving block (706) is connected to the outer surface of the sliding rods in a sliding mode through the sliding holes.

5. A reinforced steel box girder structure according to claim 1, wherein: the front end the back of the beam body (5) is fixed with an insert block, the rear end the slot is seted up on the front of the beam body (5), and the insert block is connected in the slot in a sliding way.

6. A reinforced steel box girder structure according to claim 1, wherein: the adjusting mechanism (3) comprises a second motor (301) fixed on the upper surface of the bottom plate (1), a second rotating rod (302) is fixed on an output shaft of the second motor (301), a transmission assembly (303) is arranged on the outer surface of the second rotating rod (302), the adjusting mechanism (3) further comprises two second threaded rods (304) which are connected to the upper surface of the bottom plate (1) in a rotating mode through bearing seats and penetrate through and extend to the upper portion of the protection box (2), and rod sleeves (305) are connected to the outer surfaces of the second threaded rods (304) in a threaded mode.

7. A reinforced steel box girder structure according to claim 6, wherein: the transmission assembly (303) comprises a first sprocket fixed on the outer surface of the second rotating rod (302) and a second sprocket fixed on the outer surface of the second threaded rod (304), and the outer surfaces of the first sprocket and the two second sprockets are in transmission connection with a chain.

8. A reinforced steel box girder structure according to claim 6, wherein: the rod sleeve (305) is fixed on the lower surface of the box body (6), two rotating holes are formed in the upper surface of the protection box (2), and the second threaded rod (304) is rotatably connected to the inside of the rotating holes through a bearing.