CN220480675U - Reverse bed-jig of steel case roof beam whole preparation - Google Patents

Abstract

The utility model discloses a reverse jig frame for integrally manufacturing a steel box girder, which belongs to the technical field of jig frames for manufacturing steel box girders and comprises a plurality of supporting steels, wherein the upper ends of the supporting steels are connected with U-shaped plates, the inner ends of the U-shaped plates are connected with a plurality of uniformly distributed I-shaped steel, the front ends of the U-shaped plates are provided with sliding grooves, the front ends of the U-shaped plates are provided with position moving mechanisms, each position moving mechanism comprises a side plate A connected to the front ends of the U-shaped plates, the outer ends of the side plates A are connected with motors, the output ends of the motors are connected with screws, the screw threads are connected with sliding blocks, the sliding blocks are in sliding connection with the sliding grooves, the upper ends of the sliding blocks are connected with L-shaped supporting plates, the tail ends of the screws are rotationally connected with side plates B, and the side plates B are connected with the U-shaped plates. The utility model can place the steel box girder on the U-shaped plate, and simultaneously, when the steel box girder is processed, the position movement of workers is convenient, and the processing efficiency is improved.

Description

Reverse bed-jig of steel case roof beam whole preparation

Technical Field

The utility model relates to the technical field of steel box girder manufacturing jig frames, in particular to a reverse jig frame for integrally manufacturing a steel box girder.

Background

The steel box girder is a structure commonly adopted in engineering, the steel box girder is prefabricated and assembled and then hoisted on site during construction, the upper surface of a girder main body of the steel box girder is an inclined plane, and few planes are provided, and a jig frame matched with the girder main body of the steel box girder and the shape of an abdominal cavity below is adopted during welding of the current steel box girder;

chinese patent No. CN213233136U discloses a reverse bed-jig, including the stand, crossbeam and bracing, the stand is a plurality of and is the matrix arrangement, the crossbeam is also a plurality of and the level is fixed in the upper end of stand, the bracing is connected between two adjacent stands, the top of crossbeam is fixed with a plurality of equipartitions and is the alignment jig of tee form structure, the alignment jig is including perpendicular setting and fixed connection's backup pad and dull and stereotyped, the top of dull and stereotyped is fixed with two at least universal conveying balls, the height of backup pad reduces in proper order from left to right, the upper surface of dull and stereotyped is the inclined plane, the upper surface of all dull and stereotyped on the crossbeam is located the coplanar, this reverse bed-jig carries out welded mounting from bottom to top, make things convenient for the workman to operate, the surface of roof beam main part agrees with the alignment jig of the top of bed-jig, can guarantee the surface linearity and the roughness of roof beam main part, but there is inconvenient staff when carrying out steel case roof beam processing position adjustment's problem.

Disclosure of Invention

The utility model aims to provide a reverse jig frame for integrally manufacturing a steel box girder, which is convenient for workers to move when processing the steel box girder and improves the processing efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a reverse bed-jig of steel case roof beam whole preparation, includes the supporting steel, the supporting steel that a plurality of interval set up, the supporting steel upper end is connected with the U-shaped board, U-shaped board inner is connected with a plurality of evenly distributed's I-shaped steel, the spout has been seted up to the U-shaped board front end, U-shaped board front end is provided with position moving mechanism, position moving mechanism is including connecting the curb plate A at U-shaped board front end, curb plate A outer end is connected with the motor, the motor output is connected with the screw rod, screw rod threaded connection has the slider, slider sliding connection spout, the slider upper end is connected with L shape bearing board, the screw rod tail end rotates and is connected with curb plate B, curb plate B connects the U-shaped board.

Preferably, oblique steel is connected between each supporting steel and the U-shaped plate.

Preferably, a hydraulic cylinder is arranged between every two I-shaped steel.

Preferably, the size of the sliding block is matched with the size of the sliding groove.

Preferably, the screw is rotatably connected with the side plate A.

Preferably, the hydraulic cylinder is in power connection with an external hydraulic oil station.

The beneficial effects of the utility model are as follows: firstly, placing a steel box girder on I-shaped steel, then adjusting the levelness of the steel box girder, and adjusting the jacking of the steel box girder through the output ends of all hydraulic cylinders, wherein after the adjustment is finished, a worker can stand on an L-shaped supporting plate and install a safety buckle on the L-shaped supporting plate; at the moment, the motor is powered, the output end of the motor drives the screw rod to rotate so as to drive the sliding block to slide in the sliding groove, the sliding block drives the L-shaped supporting plate to move, and a worker can automatically adjust the machining position of the steel box girder.

Drawings

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

FIG. 2 is a schematic elevational view of the present utility model;

FIG. 3 is a schematic view of a position moving mechanism according to the present utility model.

In the figure: 1. supporting steel; 2. a U-shaped plate; 3. i-shaped steel; 4. a hydraulic cylinder; 5. a chute; 6. a position moving mechanism; 601. a side plate A; 602. a motor; 603. a screw; 604. a slide block; 605. an L-shaped supporting plate; 606. a side plate B; 7. and (5) oblique steel.

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. 1-3, a reverse jig frame for integrally manufacturing a steel box girder comprises a plurality of supporting steels 1, wherein the supporting steels 1 are arranged at intervals, the upper end of each supporting steel 1 is connected with a U-shaped plate 2, the inner end of each U-shaped plate 2 is connected with a plurality of uniformly distributed I-shaped steel 3, the front end of each U-shaped plate 2 is provided with a sliding groove 5, and the front end of each U-shaped plate 2 is provided with a position moving mechanism 6.

The position moving mechanism 6 comprises a side plate A601 connected to the front end of the U-shaped plate 2, a motor 602 is connected to the outer end of the side plate A601, a screw 603 is connected to the output end of the motor 602, a sliding block 604 is connected to the screw 603 in a threaded mode, the sliding block 604 is connected with a sliding groove 5 in a sliding mode, an L-shaped supporting plate 605 is connected to the upper end of the sliding block 604, a side plate B606 is connected to the tail end of the screw 603 in a rotating mode, and the side plate B606 is connected to the U-shaped plate 2.

Specifically, all be connected with oblique steel 7 between every support steel 1 and the U-shaped board 2, be provided with oblique steel 7 and can improve the joint strength between support steel 1 and the U-shaped board 2, improved the support strength of U-shaped board 2.

A hydraulic oil cylinder 4 is arranged between every two I-shaped steel 3, and the levelness of the steel box girder can be adjusted by arranging the hydraulic oil cylinder 4; the size of the sliding block 604 is matched with the size of the sliding groove 5, so that the sliding block 604 is ensured not to fall off and interfere in the sliding groove 5, and the L-shaped bearing plate 605 is ensured to slide normally. The screw 603 is rotationally connected with the side plate A601, so that the screw 603 is ensured not to interfere with the side plate A601; the hydraulic cylinder 4 is in power connection with an external hydraulic oil station, so that the hydraulic cylinder 4 can work normally.

Working principle: firstly, placing a steel box girder on an I-shaped steel 3, then adjusting the levelness of the steel box girder, jacking the steel box girder through the output ends of all hydraulic cylinders 4, and after the adjustment action is finished, a worker can stand on an L-shaped supporting plate 605 to install a safety buckle on the L-shaped supporting plate 605; at this time, the motor 602 is electrified, the output end of the motor 602 drives the screw 603 to rotate so as to drive the sliding block 604 to slide in the chute 5, the sliding block 604 drives the L-shaped supporting plate 605 to move, and a worker can automatically adjust the machining position of the steel box girder.

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. The utility model provides a reverse bed-jig of steel case roof beam whole preparation, includes supporting steel (1), its characterized in that: the support steel (1) that a plurality of interval set up, support steel (1) upper end is connected with U-shaped plate (2), U-shaped plate (2) inner is connected with a plurality of evenly distributed's I-shaped steel (3), spout (5) have been seted up to U-shaped plate (2) front end, U-shaped plate (2) front end is provided with position moving mechanism (6), position moving mechanism (6) are including connecting curb plate A (601) at U-shaped plate (2) front end, curb plate A (601) outer end is connected with motor (602), motor (602) output is connected with screw rod (603), screw rod (603) threaded connection has slider (604), slider (604) sliding connection spout (5), slider (604) upper end is connected with L shape carrier plate (605), screw rod (603) tail end rotation is connected with curb plate B (606), curb plate B (606) are connected with U-shaped plate (2).

2. The steel box girder integrally formed reverse jig of claim 1, wherein: and inclined steel (7) is connected between each supporting steel (1) and the U-shaped plate (2).

3. The steel box girder integrally formed reverse jig of claim 1, wherein: a hydraulic oil cylinder (4) is arranged between every two I-shaped steel (3).

4. The steel box girder integrally formed reverse jig of claim 1, wherein: the size of the sliding block (604) is matched with the size of the sliding groove (5).

5. The steel box girder integrally formed reverse jig of claim 1, wherein: the screw (603) is rotationally connected with the side plate A (601).

6. A steel box girder integrally formed inverted jig frame as claimed in claim 3, wherein: the hydraulic cylinder (4) is in power connection with an external hydraulic oil station.