Movable steel box girder panel correcting device

Abstract

The utility model discloses a movable steel box girder panel correcting device which comprises a correcting device, a cross beam device, a universal wheel device and a jack, a connecting hole is formed in the middle of the correcting device, the correcting device is connected with the cross beam device, and a steel plate is welded to the bottom of the correcting device; the jack is installed on the side face of the beam device, and the universal wheel device is arranged at the bottom of the beam device. The steel box girder panel correction device improves working efficiency and quality, meets the requirement for panel correction in the steel box girder manufacturing process, is easy to manufacture, convenient to operate and low in cost, and can quickly solve the problem of deformation of a steel box girder panel in construction.

Description

Technical Field

[0001] The utility model relates to a mobile steel box beam panel correction device, belonging to the technical field of steel structure bridge construction. Background Art

[0002] With the continuous progress of science and technology at home and abroad, steel box girders have been widely used in the construction of steel structure bridges due to their unique advantages such as light weight and large bearing capacity. However, in the production process of traditional steel box girders, due to the excessive extension of the panel from the web, the panel is prone to collapse and deformation under the influence of the full penetration weld between the web and the panel, which seriously affects the design requirements for panel flatness. Panel correction in the prior art is achieved through flame correction or other auxiliary devices, which cannot quickly complete the panel correction work, is time-consuming and labor-intensive, and seriously affects production efficiency, construction quality and progress. Summary of the invention

[0003] The technical problem to be solved by the utility model is to improve the traditional steel box girder manufacturing process, propose a more reasonable steel box girder panel correction device, and improve the work efficiency and quality of steel box girder manufacturing.

[0004] In order to solve this technical problem, the utility model provides a movable steel box girder panel correction device, including a correction device, a crossbeam device, a universal wheel device and a jack. A connecting hole is provided in the middle position of the correction device and is connected to the crossbeam device, and a steel plate is welded at the bottom position; the jack is installed on the side of the crossbeam device, and a universal wheel device is provided at the bottom of the crossbeam device.

[0005] The correction device is welded by special-shaped steel plates and rib plates; the upper opening is installed on the crossbeam device. When the jack acts, the correction device is lifted up by the crossbeam device, and the protruding plate at the bottom is pressed tightly against the steel box beam panel in the correction area.

[0006] The crossbeam device is formed by welding two longitudinal beams and two crossbeams; steel pipes for placing auxiliary jacks are arranged on both sides of the longitudinal beams.

[0007] There are four universal wheel devices in total, each of which is provided with a locking device for locking when reaching a designated position; the upper part of the universal wheel device is bolted to the crossbeam device.

[0008] The jacks are provided with four pieces, which are distributed at the two ends of both sides of the longitudinal beam, and ensure that the correction device is pressed tightly against the steel box beam panel by lifting the crossbeam device.

[0009] Beneficial effects: Compared with the prior art, the utility model has the following advantages: 1) The utility model assists the staff in panel correction according to the actual needs of panel correction during the production of steel box girders. During the panel correction process, the staff can use the utility model to correct the panel, which improves work efficiency and quality, saves a lot of costs, meets the needs of panel correction during the production of steel box girders, and avoids height differences during on-site installation; 2) The utility model is simple to manufacture and low in cost; 3) It is easy to operate during construction, can be moved according to needs, work along the steel box girder, and improve work efficiency; 4) The utility model can quickly solve the deformation of the steel box girder panel through the construction process, improve work efficiency, and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the elevation structure of the utility model;

[0011] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0012] Figure 3 It is a schematic diagram of the working state of the utility model.

[0013] Figure 4 It is a schematic diagram of the structure of the correction device of the utility model.

[0014] Figure 5 It is a partial enlarged schematic diagram of the utility model before working.

[0015] In the figure: 1. correction device; 2. crossbeam device; 3. universal wheel device; 4. jack; 5. steel box girder; 201. longitudinal beam; 202. crossbeam. DETAILED DESCRIPTION

[0016] The utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0017] like Figure 1-Figure 5As shown, the utility model provides a mobile steel box girder panel correction device, including a correction device 1, a cross beam device 2, a universal wheel device 3 and a jack 4. The correction device 1 is provided with a connecting hole at the middle position, which is connected to the cross beam device 2, and a steel plate is welded at the bottom position, which plays a force-bearing role when subjected to force; the jack 4 is installed on the side of the cross beam device 2, and the universal wheel device 3 is provided at the bottom of the cross beam device 2; when in use: 1) place the mobile steel box girder panel correction device 1 on the steel box girder 5; 2) adjust the correction device to the steel box Beam panel correction area; 3) Lock the universal wheel device 3; 4) Place the jack 4 at four positions evenly distributed at the bottom of the beam device to pre-stress; 5) Use measuring tools to check the deformation that needs to be checked; 6) Two construction workers, each on one side, perform flame correction on the panel edge of the steel box beam 5. During the correction process, gradually apply force to the jack 5 and perform dimensional inspection until the design requirements are met; 7) After the correction is completed, remove the jack 4, start the next panel correction by moving the trolley and repeat the above steps.

[0018] The correction device 1 is welded by special-shaped steel plates and rib plates; the upper opening is installed on the crossbeam device 2. When the jack acts, the correction device is lifted up by the crossbeam device 2, and the protruding plate at the bottom is pressed tightly against the steel box beam panel in the correction area.

[0019] The crossbeam device 2 is formed by welding two longitudinal beams 201 and two crossbeams 202; steel pipes for placing auxiliary jacks are arranged on both sides of the longitudinal beams 201.

[0020] The universal wheel device 3 has four parts in total, each of which is provided with a locking device for locking at a designated position; the upper part of the universal wheel device 3 is connected with the crossbeam device 2 by bolts.

[0021] The jacks 4 are provided with four pieces, which are distributed at both ends of the longitudinal beam 201 , and ensure that the correction device 1 and the steel box beam 5 panel are tightly pressed together by lifting the cross beam device 2 .

[0022] The construction method of using the above-mentioned panel correction device for correction is as follows:

[0023] 1) placing the movable steel box girder panel correction device on the steel box girder 5;

[0024] 2) Adjust the calibration device to the calibration area;

[0025] 3) Lock the universal wheel device 3;

[0026] 4) Place the jack 4 in the calibration area and pre-stress it;

[0027] 5) Check the deformation that needs to be checked by measuring tools;

[0028] 6) Two construction workers, each on one side, perform flame correction on the panel edge of the steel box girder 5. During the correction process, force is gradually applied to the jack 4 and dimensional inspection is performed until the design requirements are met.

[0029] 7) After the calibration is completed, remove the jack 4, calibrate the next section of the panel by moving the trolley, and repeat the above steps.

[0030] The utility model assists the staff to complete the correction work of the steel box beam panel according to the needs of actual work, improves the work efficiency, eliminates the potential safety hazard and improves the quality; the correction device and the crossbeam device have simple structures and are easy to produce.

[0031] The above embodiments of the present invention are merely illustrative and not exclusive, and all modifications within the scope of the present invention or equivalent to the scope of the present invention are encompassed by the present invention.

Claims

1. A mobile steel box girder panel correction device, characterized in that: The invention comprises a correction device (1), a crossbeam device (2), a universal wheel device (3) and a jack (4); the correction device (1) is provided with a connection hole in the middle thereof and connected to the crossbeam device (2); a steel plate is welded at the bottom thereof; the jack (4) is installed on the side of the crossbeam device (2); and the crossbeam device (2) is provided with a universal wheel device (3) at the bottom thereof.

2. The movable steel box girder panel correction device according to claim 1 is characterized in that: The correction device (1) is welded from a special-shaped steel plate and a rib plate; the upper opening is installed on the crossbeam device (2); when the jack acts, the correction device (1) is lifted up by the crossbeam device (2), and the protruding plate at the bottom is pressed tightly against the steel box beam panel in the correction area.

3. The movable steel box girder panel correction device according to claim 1 is characterized in that: The crossbeam device (2) is formed by welding two longitudinal beams (201) and two crossbeams (202); steel pipes for placing auxiliary jacks (4) are provided on both sides of the longitudinal beams (201).

4. The movable steel box girder panel correction device according to claim 1 is characterized in that: The universal wheel device (3) has four pieces in total, each of which is provided with a locking device for locking when reaching a designated position; the upper part of the universal wheel device (3) is bolted to the crossbeam device (2).

5. A mobile steel box girder panel correction device according to any one of claims 1 to 4, characterized in that: The jacks (4) are provided in four pieces and are distributed at both ends of the longitudinal beam (201). By lifting the cross beam device (2), the correction device (1) and the steel box beam (5) panel are ensured to be tightly pressed.

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