Adjustable polygonal steel beam assembly turnover device

Abstract

The utility model discloses an adjustable polygonal steel beam assembly turnover device which comprises a polygonal frame used for being arranged on the periphery of a steel beam rod piece in a sleeving mode, the polygonal frame is formed by sequentially assembling a plurality of single-side assemblies, and the single-side assemblies are provided with lifting holes used for lifting. Jackscrew rods used for abutting against the outer wall of a steel beam rod piece are further distributed and installed on the single-side assembly. Each single-side assembly comprises connecting steel angles at the two ends and an adjusting plate in the middle, a plurality of oblong holes are distributed in vertical limb plates of the connecting steel angles, a plurality of plate holes are distributed in the adjusting plate, and the plate holes in the two ends of the adjusting plate are in butt joint and fixed with part of or all of the oblong holes in the corresponding connecting steel angles through bolts respectively. The welding device is reasonable in structural design, a plurality of welding seams in an overhead welding or vertical position welding state of a steel beam rod piece can be conveniently turned to be welded in a horizontal position, the penetration quality of each main angle welding seam is guaranteed, the manufacturing quality requirement of a key beam section of a bridge is guaranteed, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bridge manufacturing, in particular to an adjustable polygonal steel beam assembly and turnover device. Background Art

[0002] At present, in order to integrate with the surrounding environment and highlight the characteristics of the city, the design of bridges is increasingly tending towards beautiful and unique shapes. A large number of bridges with variable cross-sections, curved polygonal steel box arches, steel truss arches, steel truss beams and other structures have appeared. Most of the main welds of these polygonal steel beams require full penetration or high quality grades. How to ensure the quality of their welds is a key technical problem to be solved in manufacturing. Most of these welds are in unfavorable welding positions such as the supine or upright position, and this type of special-shaped structure generally has the characteristics of complex structure, large size, heavy weight, and difficulty in turning over. However, if it is not turned over, there is currently no effective reference solution for how to control the welding quality, especially the quality of the overhead weld. Therefore, the manufacturing process of similar polygonal steel beams must be turned over and the process plan must be optimized to ensure the quality of their main welds.

[0003] The existing technology mainly uses the conventional turning method, which usually welds turning ears on the outer plate after the steel beam segment is assembled. This method has the following defects: 1. Turning over through the ears is easy to bump into the beam segment; 2. The later removal of the ears is easy to damage the parent material. Utility Model Content

[0004] The purpose of the utility model is to provide an adjustable polygonal steel beam assembly and flipping device. By designing this specific flipping tool, the problem that the polygonal steel beam rods are difficult to flip at various angles is solved, and it is convenient to transfer a plurality of welds in an overhead welding or vertical welding state to horizontal welding, thereby ensuring the penetration quality of each main weld, that is, ensuring the manufacturing quality requirements of the key beam section of the bridge, which is conducive to improving work efficiency.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An adjustable polygonal steel beam assembly and flipping device comprises a polygonal frame for sleeved on the outer periphery of a steel beam member, wherein the polygonal frame is formed by sequentially assembling a plurality of single-sided components, wherein the single-sided components are provided with lifting holes for lifting, and the single-sided components are also distributedly provided with top screws for contacting the outer wall of the steel beam member.

[0007] Preferably, each single-side component comprises connecting angle steels at both ends and an adjusting plate in the middle, a plurality of oblong holes are distributed on the vertical limb plates of the connecting angle steels, a plurality of plate holes are distributed on the adjusting plate, and the plate holes at both ends of the adjusting plate are respectively fixedly connected to part or all of the oblong holes on the corresponding connecting angle steels by bolts;

[0008] The hoisting hole is opened on the vertical limb plate connected to the angle steel, and the horizontal limb plate connected to the angle steel is provided with a top screw hole, and the top screw rod is installed in the top screw hole through threaded matching.

[0009] Preferably, each single-side component adopts a pair of adjustment plates, and the pair of adjustment plates are respectively located on the front side wall and the rear side wall of the vertical limb plate connected to the angle steel.

[0010] Preferably, a pin hole is provided at one end of the vertical limb of the connecting angle steel away from the adjusting plate, and two adjacent connecting angle steels are butt-jointed and fixed by a pin assembly inserted through the pin hole.

[0011] Preferably, the pin assembly includes a pin inserted into the pin hole and a locking nut threadedly mounted on the end of the pin.

[0012] Preferably, two polygonal frames are provided, which are respectively used to be sleeved on the front end and the rear end of the steel beam member.

[0013] Compared with the prior art, the utility model has the following beneficial effects: each single-sided component adopts connecting angle steels at both ends and an adjusting plate in the middle, the plate holes at both ends of the adjusting plate are respectively fixed with part or all of the oblong holes on the corresponding connecting angle steels by bolts, and the overall length of the single-sided component is adjusted by adjusting the matching number of the oblong holes and the plate holes, so that it can be matched with the corresponding side of the steel beam rod;

[0014] Two adjacent single-side components are connected by a pin shaft, and the relative angle between the two can be adjusted; when the polygonal frame is assembled, the end of the top screw rod is screwed in to contact the outer wall of the steel beam member, thereby firmly clamping the steel beam member, which can effectively prevent the steel beam member from loosening and dislocation;

[0015] It can adapt to steel beams with different polygonal shapes and different polygonal cross-sectional sizes. It has wide adaptability, high practicality, convenient construction operation, good hoisting and flipping stability, and is safe and reliable.

[0016] The utility model has a reasonable structural design, which is convenient for transferring multiple welds of steel beam members in an overhead welding or vertical welding state to horizontal welding, thereby ensuring the penetration quality of each main weld, that is, ensuring the manufacturing quality requirements of key beam sections of the bridge, and being conducive to improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of an adjustable polygonal steel beam assembly and flipping device;

[0018] Figure 2 It is the structural diagram of the steel beam member;

[0019] Figure 3It is a structural schematic diagram of a single-side component in an adjustable polygonal steel beam assembly and flipping device;

[0020] Figure 4 It is a structural schematic diagram of a single-side component in the AA direction in an adjustable polygonal steel beam assembly and flipping device;

[0021] Figure 5 It is a structural schematic diagram of connecting angle steels in an adjustable polygonal steel beam assembly and flipping device;

[0022] Figure 6 It is a structural schematic diagram of an adjustment plate in an adjustable polygonal steel beam assembly and flipping device;

[0023] Figure 7 The present invention is a structural schematic diagram of an adjustable polygonal steel beam assembly and flipping device in cooperation with a steel beam member.

[0024] In the figure: 100-polygonal frame, 200-steel beam member, 1-connecting angle steel, 11-lifting hole, 12-pin shaft hole, 13-long round hole, 14-top screw hole, 2-adjusting plate, 21-plate hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 7 The utility model provides a technical solution: an adjustable polygonal steel beam assembly and flipping device, comprising a polygonal frame 100 for being sleeved on the outer periphery of a steel beam member 200, wherein the polygonal frame 100 may be specifically provided with two, which are respectively sleeved on the front end and the rear end of the steel beam member 200, and the polygonal frame 100 is formed by assembling a plurality of single-sided components in sequence, and can be arbitrarily combined into a polygonal frame 100 with any number of sides, so as to be used for flipping polygonal steel beam members 200 such as quadrilaterals, pentagons, and hexagons, wherein a hoisting hole 11 for hoisting is provided on the single-sided component, and a top screw rod 3 for contacting the outer wall of the steel beam member 200 is also distributed and installed on the single-sided component.

[0027] As a specific solution, each single-sided component includes a connecting angle steel 1 at both ends and an adjusting plate 2 in the middle. The vertical limbs of the connecting angle steel 1 are provided with a plurality of oblong holes 13, and the adjusting plate 2 is provided with a plurality of plate holes 21. The plate holes 21 at both ends of the adjusting plate 2 are respectively fixed to part or all of the oblong holes 13 on the corresponding connecting angle steel 1 by bolts; the lifting hole 11 is provided on the vertical limbs of the connecting angle steel 1, and the horizontal limbs of the connecting angle steel 1 are provided with a top screw hole 14, and the top screw rod 3 is installed in the top screw hole 14 by threaded cooperation.

[0028] The working principle of the utility model is as follows: each single-sided component adopts connecting angle steels 1 at both ends and an adjusting plate 2 in the middle, the plate holes 21 at both ends of the adjusting plate 2 are respectively fixed with part or all of the oblong holes 13 on the corresponding connecting angle steel 1 by bolts, and the overall length of the single-sided component is adjusted by adjusting the matching number of the oblong holes 13 and the plate holes 21, so that it can be adapted to the corresponding side of the steel beam rod;

[0029] After the polygonal frame 100 is assembled, the top screw rod 3 is screwed in so that the end of the top screw rod 3 contacts the outer wall of the steel beam member 200, thereby firmly clamping the steel beam member 200, which can effectively prevent the steel beam member from loosening and dislocating during the lifting process.

[0030] Specifically, in order to enhance the connection reliability between the two connecting angle steels 1 , each single-side component adopts a pair of adjustment plates 2 , which are respectively located at the front side wall and the rear side wall of the vertical limb plate of the connecting angle steel 1 .

[0031] Specifically, a pin hole 12 is formed at one end of the vertical limb of the connecting angle steel 1 away from the adjusting plate 2 , and two adjacent connecting angle steels 1 are butt-jointed and fixed by a pin assembly inserted through the pin hole 12 .

[0032] The pin assembly includes a pin inserted in the pin hole 12 and a locking nut threadedly mounted on the end of the pin. Two adjacent single-side assemblies are connected by a pin, and the relative angle between the two can be adjusted. When the pin is loosened, the relative angle of the two sides can be adjusted. When the pin is tightened, the two sides are in a tightened state.

[0033] This device can be arbitrarily combined into a polygonal frame 100 according to the needs of the steel beam rod 200 to be flipped, and the length of each side is adjustable. A pin hole 12 is set at the end of each side, and the relative angle relationship between any two sides can be adjusted. Therefore, it can adapt to steel beam rods 200 with different polygonal shapes and different polygonal cross-sectional sizes. It has wide adaptability, high practicality, convenient construction operation, good hoisting and flipping stability, and is safe and reliable.

[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An adjustable polygonal steel beam assembly and flipping device, characterized in that: The invention comprises a polygonal frame (100) for being sleeved on the outer periphery of a steel beam member (200), wherein the polygonal frame (100) is formed by sequentially assembling a plurality of single-sided components, wherein the single-sided components are provided with hoisting holes (11) for hoisting, and the single-sided components are also provided with top screws (3) for contacting the outer wall of the steel beam member (200).

2. The adjustable polygonal steel beam assembly and turnover device according to claim 1, characterized in that: Each single-side component comprises connecting angle steels (1) at two ends and an adjusting plate (2) in the middle, wherein a plurality of oblong holes (13) are distributed on the vertical limb plates of the connecting angle steel (1), and a plurality of plate holes (21) are distributed on the adjusting plate (2), and the plate holes (21) at both ends of the adjusting plate (2) are respectively fixedly connected with part or all of the oblong holes (13) on the corresponding connecting angle steels (1) by bolts; The lifting hole (11) is provided on the vertical limb plate connecting the angle steel (1), and a top screw hole is provided on the horizontal limb plate connecting the angle steel (1), and the top screw rod (3) is installed in the top screw hole through threaded engagement.

3. The adjustable polygonal steel beam assembly and turnover device according to claim 2, characterized in that: Each single-side component adopts a pair of adjustment plates (2), and the pair of adjustment plates (2) are respectively located on the front side wall and the rear side wall of the vertical limb plate connected to the angle steel (1).

4. The adjustable polygonal steel beam assembly and turnover device according to claim 2, characterized in that: A pin hole (12) is also provided at one end of the vertical limb of the connecting angle steel (1) away from the adjusting plate (2), and two adjacent connecting angle steels (1) are butt-jointed and fixed via a pin assembly inserted through the pin hole (12).

5. The adjustable polygonal steel beam assembly and turnover device according to claim 4, characterized in that: The pin shaft assembly comprises a pin shaft inserted into a pin shaft hole (12) and a locking nut threadedly sleeved on the end of the pin shaft.

6. The adjustable polygonal steel beam assembly and turnover device according to claim 1, characterized in that: Two polygonal frames (100) are provided, which are respectively used to be sleeved on the front end and the rear end of the steel beam member (200).

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