CN221218462U - -Shaped quick installation mechanism for steel box girder - Google Patents

Abstract

The utility model discloses a -shaped quick mounting mechanism for a steel box girder, which comprises a first steel box girder and a second steel box girder, wherein the top of the first steel box girder is movably connected with a first working box, the front side and the rear side inside the first working box are movably connected with first fixing frames, and a tension spring is fixedly connected between the two first fixing frames. According to the utility model, an operator pulls the first fixing frame to one side far away from the first working box, then places the first fixing frame at a proper position, then releases the handle, under the action of the tension spring, the first fixing frame clamps the first steel box girder, then the operator places the second working box above the second steel box girder, then rotates the handle to drive the gears to rotate, and further drives the two second fixing frames to approach each other through the teeth, so that the second steel box girder is clamped, and then the jack is attached to the movable frame.

Description

-Shaped quick installation mechanism for steel box girder

Technical Field

The utility model relates to the technical field of steel box girders, in particular to a -shaped quick installation mechanism for a steel box girder.

Background

The steel box girder is also called a steel plate box girder, and is a common structural form of a large-span bridge. Is commonly used on bridges with larger spans, and is called a steel box girder because of the shape of a box.

In the traditional butt joint construction of the steel box girder segments and the girder segments, the web steel clamping plates and the steel girders to be connected are fixed through high-strength bolts in the more commonly adopted construction process, so that the preliminary butt joint of the steel box girder Liang Duanjian is realized, the next step of steel box girder fixing work is carried out, the hoisting position is repeatedly adjusted in a mechanical and manual mode, the butt joint of the steel box girder segments and the steel box girder Liang Duanjian is realized, the process is time-consuming and tedious, the labor and equipment occupancy rate are greatly increased, and therefore, the steel box girder is designed and improved by using a -shaped quick installation mechanism, and the phenomenon that the steel box girder is inconvenient to install quickly is effectively prevented.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide the -shaped rapid installation mechanism for the steel box girder, which has the advantage of high installation speed, and solves the problems that the traditional construction process usually adopts a mechanical and manual mode to repeatedly adjust the hoisting position so as to realize the butt joint work of the steel box girder section and Liang Duanjian, the process is time-consuming and tedious, and the labor and equipment occupancy rate are greatly increased.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the -shaped quick mounting mechanism for the steel box girders comprises a first steel box girder and a second steel box girder, wherein the top of the first steel box girder is movably connected with a first work box, the front side and the rear side of the inside of the first work box are movably connected with first fixing frames, tension springs are fixedly connected between the two first fixing frames, the first fixing frames are movably connected with the first steel box girder, the top of the first work box is fixedly connected with a jack, the top of the second steel box girder is movably connected with a second work box, the front side and the rear side of the inside of the second work box are movably connected with second fixing frames, teeth are arranged on the surface of the second fixing frames, gears are movably connected with gears, the gears are meshed with the teeth, the second fixing frames are movably connected with the second steel box girder, the left side of the second work box is fixedly connected with a vertical plate, the inside of the vertical plate is hinged with a movable frame, the movable frame is respectively connected with the jack and the second steel box girder, the front side of the first work box girder is fixedly connected with a positioning plate, and the right side of the first work box girder is fixedly connected with a positioning plate.

Preferably, the top of the gear extends to the upper part of the second working box and is fixedly connected with a handle.

As preferable, the top of the first fixing frame is fixedly connected with a handle.

Preferably, the positioning plate is made of stainless steel.

As preferable mode of the utility model, the bottoms of the first working box and the second working box are respectively provided with anti-skid patterns.

As preferable, the surface of the handle is fixedly connected with an anti-skid sleeve.

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

1. According to the utility model, an operator pulls the first fixing frame to one side far away from the first working box, then places the first fixing frame at a proper position, then releases the handle, under the action of the tension spring, the first fixing frame clamps the first steel box girder, then the operator places the second working box above the second steel box girder, then rotates the handle to drive the gears to rotate, and further drives the two second fixing frames to approach each other through the teeth, so that the second steel box girder is clamped, and then the jack is attached to the movable frame.

2. According to the utility model, through the arrangement of the handle, an operator can easily rotate the gear by utilizing the principle of a labor-saving lever.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the structure of the present utility model.

In the figure: 1. a first steel box girder; 2. a second steel box girder; 3. a first work box; 4. a first fixing frame; 5. a tension spring; 6. a jack; 7. a second work box; 8. the second fixing frame; 9. teeth; 10. a gear; 11. a vertical plate; 12. a movable frame; 13. a handle; 14. a handle; 15. and (5) positioning the plate.

Description of the embodiments

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.

As shown in fig. 1 to 2, a quick mounting mechanism of font for steel box girder comprises a first steel box girder 1 and a second steel box girder 2, the top swing joint of the first steel box girder 1 has a first work box 3, the front side and the rear side inside the first work box 3 are all movably connected with a first fixing frame 4, and fixedly connected with extension springs 5 between two first fixing frames 4, the first fixing frame 4 is movably connected with the first steel box girder 1, the top fixedly connected with jack 6 of the first work box 3, the top swing joint of the second steel box girder 2 has a second work box 7, the front side and the rear side inside the second work box 7 are both movably connected with a second fixing frame 8, the surface of the second fixing frame 8 is provided with tooth 9, the inside swing joint of the second work box 7 has a gear 10, the gear 10 meshes with tooth 9, the second fixing frame 8 is movably connected with the second steel box girder 2, the left side fixedly connected with a riser 11, the inside of riser 11 is hinged with a movable frame 12, the movable frame 12 is respectively connected with the second work box girder 2 and the first steel box girder 2, the second work box girder 2 is fixedly connected with a positioning plate 15.

Referring to fig. 1 and 2, the top of the gear 10 extends above the second work box 7 and is fixedly connected with a handle 13.

As a technical optimization scheme of the utility model, by arranging the handle 13, an operator can easily rotate the gear 10 by utilizing the principle of labor-saving lever.

Referring to fig. 1 and 2, a handle 14 is fixedly connected to the top of the first fixing frame 4.

As a technical optimization scheme of the utility model, the first fixing frame 4 can be pulled to the side far away from the first working box 3 by an operator through the arrangement of the handle 14.

Referring to fig. 1 and 2, the positioning plate 15 is made of stainless steel material.

As a technical optimization of the present utility model, the positioning plate 15 made of stainless steel has the advantages of high hardness and rust resistance.

Referring to fig. 1 and 2, the bottoms of the first and second work boxes 3 and 7 are provided with anti-slip patterns.

By means of the technical optimization scheme, friction force between the first working box 3 and the first steel box girder 1 and friction force between the second working box 7 and the second steel box girder 2 can be increased through the arrangement of the anti-skid patterns, and therefore stability of the first working box 3 and the second working box 7 is improved.

Referring to fig. 1 and 2, an anti-slip cover is fixedly coupled to a surface of the handle 14.

As a technical optimization scheme of the utility model, through the arrangement of the anti-skid sleeve, the phenomenon that an operator slips when pulling the handle 14 can be avoided.

The working principle and the using flow of the utility model are as follows: when the lifting jack is used, an operator pulls the first fixing frame 4 to one side far away from the first working box 3, then places the first fixing frame 4 at a proper position, then releases the handle 14, under the action of the tension spring 5, the first fixing frame 4 clamps the first steel box girder 1, then places the second working box 7 above the second steel box girder 2, then rotates the handle 13 to drive the gear 10 to rotate, and further drives the two second fixing frames 8 to be close to each other through the teeth 9, so as to clamp the second steel box girder 2, and then attaches the lifting jack 6 to the movable frame 12;

In operation, the operator can adjust the jack 6 to extend to jack up the left end of movable frame 12, and the one end that movable frame 12 kept away from jack 6 is hugged closely with second steel case roof beam 2 this moment, and the movable frame 12 has ascending power to the counter plate 11 this moment to have ascending power to second work box 7, thereby has ascending power to second mount 8 and second steel case roof beam 2, and then makes second steel case roof beam 2 shift up, until second steel case roof beam 2 is laminated with locating plate 15, and second steel case roof beam 2 is in same horizontal position with first steel case roof beam 1 this moment.

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.

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 (6)

1. -Shaped quick installation mechanism for steel box girders comprises a first steel box girder (1) and a second steel box girder (2), and is characterized in that: the utility model discloses a lifting jack, including first steel case roof beam (1), first steel case roof beam (3), first front side and rear side of first steel case roof beam (1), first mount (4) of front side and rear side all swing joint, and fixedly connected with extension spring (5) between two first mounts (4), first mount (4) and first steel case roof beam (1) swing joint, the top fixedly connected with jack (6) of first steel case roof beam (3), the top swing joint of second steel case roof beam (2) has second work case (7), the inside front side of second work case (7) and rear side all swing joint have second mount (8), the surface of second mount (8) is provided with tooth (9), the inside swing joint of second work case (7) has gear (10), gear (10) and tooth (9) meshing, second mount (8) and second steel case roof beam (2) swing joint, the inside connection of riser (11) of second steel case (7) has riser (11), riser (12) and second steel case (12) are connected respectively, riser (12), the positioning plate (15) is movably connected with the first steel box girder (1) and the second steel box girder (2) respectively.

2. The quick installation mechanism of type for steel box girders according to claim 1, wherein: the top of the gear (10) extends to the upper part of the second working box (7) and is fixedly connected with a handle (13).

3. The quick installation mechanism of type for steel box girders according to claim 1, wherein: the top of the first fixing frame (4) is fixedly connected with a handle (14).

4. The quick installation mechanism of type for steel box girders according to claim 1, wherein: the positioning plate (15) is made of stainless steel.

5. The quick installation mechanism of type for steel box girders according to claim 1, wherein: the bottoms of the first working box (3) and the second working box (7) are provided with anti-skidding patterns.

6. A rapid installation mechanism in the shape of for steel box girders according to claim 3, characterized in that: the surface of the handle (14) is fixedly connected with an anti-skid sleeve.