Steel box girder mounting and positioning device

By using fixed supports, moving structures, and rotating components during the installation of steel box girders, and utilizing servo motors and worm gear mechanisms, precise positioning and angle adjustment of the steel box girders are achieved, solving the swaying problem during lifting and movement and improving installation efficiency.

CN223576965UActive Publication Date: 2025-11-21WUHAN JINGCHAO STEEL STRUCTURE CO LTD
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Patent Information

Application Number
CN202423148956.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2025-11-21
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

In existing technologies, steel box girders are prone to swaying when lifted and moved, which makes installation difficult and affects installation efficiency.

Method used

By employing fixed supports, a moving structure, and rotating components, and utilizing a dual-axis servo motor, threaded rod, servo motor, and worm gear mechanism, the steel box girder achieves precise positioning and angle adjustment, thus preventing swaying.

Benefits of technology

This effectively prevents the steel box girder from swaying during lifting and movement, improves installation accuracy and efficiency, and facilitates the operation of installation personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of mounting and positioning devices, and particularly relates to a steel box girder mounting and positioning device which comprises a fixing support, two mounting columns are fixedly connected to the upper surface of the fixing support, a first steel box girder body is jointly and fixedly arranged on the opposite sides of the mounting columns, a second steel box girder body is arranged above the two mounting columns, and the first steel box girder body and the second steel box girder body are fixedly connected. By arranging the air cylinders, the fixing blocks, the rotating columns, the trays and the like, the sliding blocks drive the air cylinders to move through the moving plates, the air cylinders drive the trays above the air cylinders to move through the fixing blocks, the fixing blocks are arranged on the fixing columns, the fixing columns are arranged on the fixing supports, and the fixing columns are arranged on the fixing supports. The tray drives the second steel box girder body to be adjusted to the position between the two mounting columns, then the air cylinder retracts, the second steel box girder body descends to the two mounting columns to be mounted, and the situation that when a crane lifts and moves, the second steel box girder body shakes, mounting is difficult for workers, and the mounting efficiency is affected is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to installation positioning device technical field especially relates to a steel box girder installation positioning device. BACKGROUND

[0002] Steel beam box, also known as steel box girder or steel plate box girder, is a kind of structure form commonly used in large-span bridge. This structure is made of steel, and the shape is similar to a box, so it is named, steel box girder is usually used on the bridge with larger span, can bear larger load and deformation, has higher strength and rigidity.

[0003] But in the existing equipment, most steel box girders are installed by crane lifting, but the steel box girder is easy to shake when lifting and moving by crane, which makes it difficult for workers to install and affects the installation efficiency, therefore a steel box girder installation positioning device is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a steel box girder installation positioning device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a steel box girder installation positioning device, including fixed support, the upper surface of the fixed support is fixedly connected with two installation columns, the opposite side of the installation column is commonly provided with the first steel box girder body, the upper portion of two installation columns is equipped with the second steel box girder body, the bottom of the second steel box girder body is equipped with rotating assembly, the opposite side in the fixed support is fixedly connected with fixed column, the opposite side of two fixed columns is equipped with moving groove, the fixed support is equipped with moving structure.

[0006] As a further description of the above technical scheme:

[0007] The moving structure includes moving block, the opposite side of the moving block is rotatably connected with rotating rod, and the end of each rotating rod is fixedly connected with moving wheel, and each moving wheel is movably connected in the corresponding moving groove.

[0008] As a further description of the above technical scheme:

[0009] The upper surface of the moving block is provided with fixed slot, the fixed slot is fixedly connected with double-shaft servo motor, and the two output shafts of the double-shaft servo motor are fixedly connected with the corresponding rotating rod.

[0010] As a further description of the above technical scheme:

[0011] The upper surface of the moving block is provided with a sliding groove, a threaded rod is rotationally connected in the sliding groove, a sliding block is threadedly connected to the threaded rod, the sliding block is slidingly connected in the sliding groove, the upper surface of the sliding block is fixedly connected with a moving plate, the upper surface of the moving plate is fixedly connected with an air cylinder, the piston end of the air cylinder is fixedly connected with a fixed block, the fixed block is internally provided with a cavity, the upper surface of the fixed block is rotationally connected with a rotating column, the upper surface of the rotating column is fixedly connected with a tray, and the upper surface of the tray is movably connected with the bottom of the second steel box girder body.

[0012] As a further description of the above technical solution:

[0013] One side of the moving block is fixedly connected with a first servo motor, and the output shaft of the first servo motor is fixedly connected with one end of the threaded rod.

[0014] As a further description of the above technical solution:

[0015] The rotating assembly comprises a second servo motor fixedly connected to one side of the fixed block, an output shaft of the second servo motor is fixedly connected with a rotating column, and one end of the rotating column is rotatably connected to one side of the fixed block and fixedly connected with a worm.

[0016] As a further description of the above technical solution:

[0017] A worm wheel is rotatably connected in the cavity, the upper surface of the worm wheel is fixedly connected with the bottom of the rotating column, and the worm wheel is meshingly connected with the worm.

[0018] The utility model has the advantages of:

[0019] 1、Compared with the prior art, the device for steel box girder installation positioning, through setting moving block, rotating rod, moving wheel, double shaft servo motor, threaded rod, first servo motor, sliding block, moving plate, air cylinder, fixed block, rotating column and tray etc., the double shaft servo motor drives the moving wheel to rotate through the rotating rod, the moving block is moved to the appropriate position through the moving wheel, and then the first servo motor moves the sliding block through the threaded rod, the air cylinder is moved through the moving plate, the upper tray is moved through the fixed block, the second steel box girder body is adjusted to the middle of the two installation columns through the tray, then the air cylinder is retracted, the second steel box girder body is lowered to the two installation columns for installation, avoids the second steel box girder body from shaking when the crane lifts and moves, causes the staff to install more difficultly, and influences installation efficiency.

[0020] 2、Compared with the prior art, the steel box girder installation positioning device, by setting the second servo motor, worm and worm gear, the second servo motor drives the worm to rotate through the rotating column, the worm drives the worm gear to rotate, the worm gear drives the tray to rotate through the rotating column, the tray drives the second steel box girder main body to rotate, and the installation angle of the second steel box girder main body is adjusted conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 A three-dimensional structure schematic view of a steel box girder installation positioning device is provided for the utility model;

[0022] Fig. 2 A plan view of a steel box girder installation positioning device is provided for the utility model;

[0023] Fig. 3 A moving structure schematic view of a steel box girder installation positioning device is provided for the utility model;

[0024] Fig. 4 A moving structure explosion view of a steel box girder installation positioning device is provided for the utility model.

[0025] LEGEND:

[0026] 1, fixed support; 2, installation column; 3, first steel box girder main body; 4, second steel box girder main body; 5, fixed column; 6, moving structure; 601, moving block; 602, rotating rod; 603, moving wheel; 604, double-shaft servo motor; 605, threaded rod; 606, first servo motor; 607, sliding block; 608, moving plate; 609, air cylinder; 6010, fixed block; 6011, rotating column; 6012, tray; 6013, fixed groove; 6014, sliding groove; 7, rotating assembly; 701, second servo motor; 702, worm; 703, worm gear. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] REFERENCE Figs. 1 to 4The utility model provides a kind of steel box girder installation positioning device provided by the utility model: including fixed support 1, the upper surface of fixed support 1 is fixedly connected with two installation columns 2, the opposite side of installation column 2 is commonly fixed with first steel box girder main body 3, the top of two installation columns 2 is equipped with second steel box girder main body 4, the bottom of second steel box girder main body 4 is equipped with rotating assembly 7, the opposite side of fixed support 1 inside is all fixedly connected with fixed column 5, the opposite side of two fixed columns 5 is all set with moving groove, and fixed support 1 inside is equipped with moving structure 6;

[0029] In order to realize the purpose of moving, moving structure 6 includes moving block 601, the opposite side of moving block 601 is all rotatably connected with rotating rod 602, the end of each rotating rod 602 is all fixedly connected with moving wheel 603, each moving wheel 603 is movably connected in corresponding moving groove respectively, the upper surface of moving block 601 is set with fixed slot 6013, double-shaft servo motor 604 is fixedly connected in fixed slot 6013, the two output shafts of double-shaft servo motor 604 are fixedly connected with the end of corresponding rotating rod 602 respectively, the upper surface of moving block 601 is set with sliding slot 6014, threaded rod 605 is rotatably connected in sliding slot 6014, the side of moving block 601 is fixedly connected with first servo motor 606, the output shaft of first servo motor 606 is fixedly connected with the end of threaded rod 605, threaded rod 605 is screw-connected with sliding block 607, sliding block 607 is slidably connected in sliding slot 6014, the upper surface of sliding block 607 is fixedly connected with moving plate 608, the upper surface of moving plate 608 is fixedly connected with air cylinder 609, the piston end of air cylinder 609 is fixedly connected with fixed block 6010, the inside of fixed block 6010 is set with cavity, the upper surface of fixed block 6010 is rotatably connected with rotating column 6011, the upper surface of rotating column 6011 is fixedly connected with tray 6012, the upper surface of tray 6012 is movably connected with the bottom of second steel box girder main body 4, double-shaft servo motor 604 drives moving wheel 603 to rotate through rotating rod 602, moving block 601 is moved to appropriate position through moving wheel 603, then the hook of crane is cooperated with moving block 601 to move, first servo motor 606 drives sliding block 607 to move through threaded rod 605, air cylinder 609 is driven to move through moving plate 608, air cylinder 609 drives the tray 6012 above to move through fixed block 6010, the tray 6012 drives second steel box girder main body 4 to adjust to the middle of two installation columns 2, then air cylinder 609 is retracted, so that second steel box girder main body 4 is lowered to two installation columns 2 to install, avoid that second steel box girder main body 4 shakes when crane is lifted and moved, cause staff to install more difficultly, influence installation efficiency;

[0030] In order to realize the purpose of adjusting the angle, the rotating assembly 7 comprises a second servo motor 701 fixedly connected on one side of the fixed block 6010, a rotating column fixedly connected on the output shaft of the second servo motor 701, one end of the rotating column penetratingly rotatingly connected on one side of the fixed block 6010 and fixedly connected with a worm 702, a worm gear 703 rotatingly connected in the cavity, the upper surface of the worm gear 703 fixedly connected with the bottom of the rotating column 6011, the worm gear 703 meshingly connected with the worm 702, the second servo motor 701 driving the worm 702 to rotate through the rotating column, the worm 702 driving the worm gear 703 to rotate, the worm gear 703 driving the tray 6012 to rotate through the rotating column 6011, the tray 6012 driving the second steel box girder body 4 to rotate, which is convenient for the installer to adjust the installation angle of the second steel box girder body 4.

[0031] Working principle: the second steel box girder body 4 is placed on the tray 6012 by the crane, and the hook is not loosened, the second servo motor 701 drives the worm 702 to rotate through the rotating column, the worm 702 drives the worm gear 703 to rotate, the worm gear 703 drives the tray 6012 to rotate through the rotating column 6011, the tray 6012 drives the second steel box girder body 4 to rotate, which is convenient for the installer to adjust the installation angle of the second steel box girder body 4, then the double-shaft servo motor 604 drives the moving wheel 603 to rotate through the rotating rod 602, the moving wheel 603 drives the moving block 601 to move to the appropriate position, and the hook of the crane cooperates with the moving block 601 to move, then the first servo motor 606 drives the sliding block 607 to move through the threaded rod 605, the sliding block 607 drives the air cylinder 609 to move through the moving plate 608, the air cylinder 609 drives the tray 6012 above to move through the fixed block 6010, the tray 6012 drives the second steel box girder body 4 to adjust to the middle of the two installation columns 2, then the air cylinder 609 retracts, so that the second steel box girder body 4 is lowered to the two installation columns 2 for installation, avoiding the second steel box girder body 4 from shaking when the crane is lifted and moved, which causes the installer to install more difficultly and affects the installation efficiency.

[0032] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A steel box girder installation positioning device comprising a fixed support (1), characterized in that: The upper surface of the fixed support (1) is fixedly connected with two mounting columns (2), and the opposite side of the mounting column (2) is fixedly provided with a first steel box girder body (3) in common, and the upper side of the two mounting columns (2) is provided with a second steel box girder body (4), and the bottom of the second steel box girder body (4) is provided with a rotating assembly (7), and the opposite sides of the fixed support (1) are fixedly connected with fixed columns (5), and the opposite sides of the two fixed columns (5) are provided with moving grooves, and the fixed support (1) is provided with a moving structure (6).

2. The steel box girder installation positioning device according to claim 1, characterized in that: The moving structure (6) comprises moving blocks (601), and the opposite sides of the moving blocks (601) are rotatably connected with rotating rods (602), and one end of each rotating rod (602) is fixedly connected with a moving wheel (603), and each moving wheel (603) is movably connected in the corresponding moving groove.

3. The steel box girder installation positioning device according to claim 2, characterized in that: The upper surface of the moving block (601) is provided with a fixed groove (6013), and the fixed groove (6013) is fixedly connected with a double-shaft servo motor (604) inside, and the two output shafts of the double-shaft servo motor (604) are fixedly connected with one end of the corresponding rotating rod (602).

4. The steel box girder installation positioning device of claim 2, wherein: The upper surface of the moving block (601) is provided with a sliding groove (6014), and the sliding groove (6014) is rotatably connected with a threaded rod (605) inside, and the threaded rod (605) is threadedly connected with a sliding block (607), and the sliding block (607) is slidably connected in the sliding groove (6014), and the upper surface of the sliding block (607) is fixedly connected with a moving plate (608), and the upper surface of the moving plate (608) is fixedly connected with an air cylinder (609), and the piston end of the air cylinder (609) is fixedly connected with a fixed block (6010), and the inside of the fixed block (6010) is provided with a cavity, and the upper surface of the fixed block (6010) is rotatably connected with a rotating column (6011), and the upper surface of the rotating column (6011) is fixedly connected with a tray (6012), and the upper surface of the tray (6012) is movably connected with the bottom of the second steel box girder body (4).

5. The steel box girder installation positioning device according to claim 4, wherein: One side of the moving block (601) is fixedly connected with a first servo motor (606), and the output shaft of the first servo motor (606) is fixedly connected with one end of the threaded rod (605).

6. The steel box girder installation positioning device of claim 4, wherein: The rotating assembly (7) comprises a second servo motor (701) fixedly connected on one side of the fixed block (6010), and the output shaft of the second servo motor (701) is fixedly connected with a rotating column, and one end of the rotating column penetrates through the side of the fixed block (6010) and is fixedly connected with a worm (702).

7. The steel box girder installation positioning device of claim 6, wherein: The cavity is rotatably connected with a worm wheel (703), and the upper surface of the worm wheel (703) is fixedly connected with the bottom of the rotating column (6011), and the worm wheel (703) is meshingly connected with the worm (702).