Steel plate transfer auxiliary tool for suspension bridge steel box girder

Abstract

The utility model discloses a steel plate transfer auxiliary tool for a suspension bridge steel box girder, belongs to the field of transfer tools, and aims to save manpower and improve production efficiency. Comprising a main bracket, an overhanging arm and a clamp, the clamp is suspended at the overhanging end of the overhanging arm through a sling chain; the main support comprises a connecting block and two parallel connecting rods, and the two connecting rods are assembled into a whole through the connecting block. The distance between the two connecting rods is matched with the distance between two front forks of the forklift. The hollow inner cavity of the connecting rod is matched with a front fork of the forklift; a row of fastening bolts are arranged on the connecting rod in the longitudinal direction of the connecting rod. And the overhanging arm is parallel to the connecting rod of the main bracket and is arranged on the main bracket. The transfer tool and a forklift are assembled together, and the transfer tool can be carried through the forklift. The lifting chain is adopted for lifting, the direction of the vertical plate can be rotated around the lifting chain, so that the vertical plate is parallel to the connecting rod for transferring, and the device is more suitable for places with narrow aisles. Workers can be assisted in machining, labor intensity is reduced, time is saved, and production efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the field of transport tools, in particular to a steel plate transport auxiliary tool for a steel box girder of a suspension bridge. Background Art

[0002] At present, suspension bridges usually use steel box girders to pave the bridge deck. Most of the steel box girders of suspension bridges are prefabricated with steel plates at the processing site and transported to the construction site for installation. During the processing and production of the steel box girders of suspension bridges, a large number of welding between the vertical plates placed vertically and the horizontal plates placed horizontally, as well as welding between the vertical plates, are involved. Since the vertical plates of the steel box girders are mostly 2 meters long, more than 1 meter wide and 10 mm thick, the weight is as high as 150 kilograms, and there are a large number of vertical plates of this specification, during the processing, there is a situation of large transportation volume of vertical plates. If it relies on manual transportation, it requires multiple people to transfer multiple times, which is difficult and inefficient. However, for processing sites with narrow and limited processing sites, large machinery such as cranes are not conducive to use, not only the site is limited, but also the cost is high. Factory forklifts are available as a means of transportation. During transportation, the vertical plates can be placed on the front fork of the factory forklift for transportation, but it also has the following problems:

[0003] First, if the vertical plate is directly placed on the front fork of the forklift, when it is transported to the destination, it needs to be manually transferred from the front fork, and then manually aligned to the installation position for welding, which still consumes a lot of manpower. Manual transfer and alignment consumes a lot of time, resulting in low processing efficiency.

[0004] Second, during transportation, if the vertical board is placed on the front fork along the width direction, the aisle width occupied during transportation is up to 1 meter. When the vertical board is installed horizontally, it needs to be turned over after transportation, which increases the difficulty of operation. If the vertical board is placed on the front fork along the length direction, the aisle width occupied during transportation is up to 2 meters, which makes transportation difficult in narrow areas with limited space. Utility Model Content

[0005] The utility model aims to provide a steel material transport auxiliary tool for a steel box girder of a suspension bridge used for a forklift, which saves manpower and improves production efficiency at the same time.

[0006] The technical scheme adopted by the utility model is: a steel plate transport auxiliary tool for a steel box girder of a suspension bridge, comprising a main support, an outrigger arm and a clamp; the clamp is suspended at the outrigger end of the outrigger arm through a lifting chain; the main support comprises two connecting rods parallel to each other, connecting blocks are arranged on the two connecting rods, and the two connecting rods are assembled into one through the connecting blocks; the distance between the two connecting rods is adapted to the distance between the two front forks of a forklift; the connecting rod is a hollow rod with two ends passing through, and the hollow inner cavity of the connecting rod is adapted to the front fork of the forklift; and a row of fastening bolts is arranged on the connecting rod along the longitudinal direction thereof; the outrigger arm is installed on the main support in parallel with the connecting rod of the main support, and the outrigger arm is at an equal distance from the two connecting rods.

[0007] Furthermore, the outrigger arm is fixed to a connecting block of the main support.

[0008] Furthermore, the connecting block is in the shape of an isosceles triangle, the connecting rod is located at the base of the isosceles triangle, and the outrigger arm is arranged at the top of the isosceles triangle.

[0009] Furthermore, the outrigger arm includes a fixed arm and a movable arm, the fixed arm is fixed to the connecting block, and the movable arm is movably connected to the fixed arm along the longitudinal direction.

[0010] Furthermore, the fixed arm is a hollow square tube; the cross section of the movable arm is square; the movable arm is movably inserted into the hollow cavity of the fixed arm;

[0011] Along the longitudinal direction, a row of insertion holes are evenly distributed at corresponding positions of the fixed arm and the movable arm, and the fixed arm and the movable arm are locked by an adjustable latch that passes through the insertion holes on the fixed arm and the insertion holes on the movable arm at the same time.

[0012] Furthermore, the clamp includes two clamping plates arranged opposite to each other and a scissor-type mechanism connected to the bottom end of the lifting chain. The clamping plates are installed at the end of the scissor-type mechanism, and the two clamping plates are driven to move closer or farther through the scissor-type mechanism.

[0013] Furthermore, a rubber pad is provided on the inner side of the clamping plate.

[0014] The beneficial effects of the utility model are as follows: the steel plate transport auxiliary tool for the steel box girder of the suspension bridge disclosed by the utility model, because the hollow inner cavity of the connecting rod of the main support is used for the front fork of the forklift to be inserted, and then the connecting rod is fixed to the front fork of the forklift by fastening bolts, so that the transport tool is assembled with the forklift, and the transport tool can be carried by the forklift. The outrigger arm is installed on the main support parallel to the connecting rod, and the outrigger arm is cantilevered on the main support. The clamp suspended at its outrigger end is used to clamp the vertical plate, so that the vertical plate is vertically suspended in front of the forklift. Since the lifting chain is used for lifting, the direction of the vertical plate can be rotated around the lifting chain, so that the vertical plate is transported parallel to the connecting rod, which is more suitable for sites with narrow aisles. After being transported to the location, the position can be adjusted by turning the vertical plate, and the vertical plate can be aligned with the processing position by adjusting the forklift's front fork up and down to facilitate subsequent welding. The alignment and adjustment in the hoisting state can assist workers in processing, which not only reduces labor intensity but also has high adjustment efficiency. There is no need to manually transfer the vertical plate from the crane, which saves manpower, saves time and improves production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 The utility model discloses a schematic diagram of the steel plate transfer auxiliary tool of the suspension bridge steel box girder and the cooperation of the forklift to carry out the vertical plate hoisting.

[0017] In the figure, an outrigger arm 1, a fixed arm 1A, a movable arm 1B, a lifting chain 2, a scissor mechanism 3, a rubber pad 4, a clamping plate 5, a fastening bolt 6, a main bracket 7, a connecting rod 7A, a connecting block 7B, an adjusting pin 8, a forklift 9, and a vertical plate 10. DETAILED DESCRIPTION

[0018] The present invention is further described below in conjunction with the accompanying drawings and embodiments:

[0019] In the present invention, the terms "longitudinal", "lateral", "vertical", "upper", "front", "back", "vertical", "horizontal", "top", "bottom" and the like indicate directions or positional relationships based on the attached Figure 1 The orientation or position relationship shown is only for the convenience of describing the present invention, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] Steel plate transfer auxiliary tools for suspension bridge steel box girders, such as Figure 1 and Figure 2As shown, it includes a main support 7, an outrigger arm 1 and a clamp; the clamp is suspended at the outrigger end of the outrigger arm 1 through a lifting chain 2; the main support 7 includes two connecting rods 7A parallel to each other, and connecting blocks 7B are provided on the two connecting rods 7A, and the two connecting rods 7A are assembled into one through the connecting blocks 7B; the distance between the two connecting rods 7A is adapted to the distance between the two front forks of the forklift; the connecting rod 7A is a hollow rod with two ends penetrating, and the hollow inner cavity of the connecting rod 7A is adapted to the front fork of the forklift; and a row of fastening bolts 6 are provided on the connecting rod 7A along its longitudinal direction;

[0021] The outrigger arm 1 is installed on the main support 7 in parallel with the connecting rod 7A of the main support 7, and the outrigger arm 1 is equidistant from the two connecting rods 7A.

[0022] The utility model discloses a steel plate transport auxiliary tool for a suspension bridge steel box girder. Since the hollow inner cavity of the connecting rod 7A of the main bracket 7 is used for inserting the front fork of a forklift, and the connecting rod 7A is fixed to the front fork of the forklift by means of fastening bolts 6, the transport tool is assembled with the forklift and can be carried by the forklift.

[0023] The outrigger arm 1 is installed on the main support 7 parallel to the connecting rod 7A. The outrigger arm 1 is cantilevered on the main support 7. The clamp suspended at its outrigger end is used to clamp the vertical plate, so that the vertical plate is suspended vertically in front of the forklift. Since the lifting chain 2 is used for lifting, the direction of the vertical plate can be rotated around the lifting chain 2, so that the vertical plate can be transported parallel to the connecting rod 7A, which is more suitable for sites with narrow aisles. After being transported to the location, the orientation can be adjusted by rotating the vertical plate, and the vertical plate can be aligned with the processing position by adjusting the front fork of the forklift up and down, which is convenient for subsequent welding. The alignment and adjustment in the lifting state plays a role in assisting workers in processing, which not only reduces labor intensity, but also has high adjustment efficiency; there is no need to manually transfer the vertical plate from the crane, which saves manpower and time.

[0024] The connecting block 7B is supported on the connecting rod 7A, connecting the two connecting rods 7A into one body.

[0025] For a reasonable layout, preferably, the outrigger arm 1 is fixed to the connecting block 7B of the main support 7 .

[0026] The connecting block 7B can be square, etc. In this embodiment, preferably, the connecting block 7B is an isosceles triangle, the connecting rod 7A is located at the bottom of the isosceles triangle, and the outrigger arm 1 is arranged at the top of the isosceles triangle. The connecting block 7B of this structure not only saves materials and is light in weight, but also has a triangular structure and good stability.

[0027] In order to more conveniently hoist the vertical plate to the position to be welded, preferably, the outrigger arm 1 includes a fixed arm 1A and a movable arm 1B, the fixed arm 1A is fixed to the connecting block 7B, and the movable arm 1B is movably connected to the fixed arm 1A along the longitudinal direction.

[0028] The outrigger arm 1 can directly adopt a cylinder or a hydraulic cylinder, but in order to simplify the structure and save costs, preferably, the fixed arm 1A is a hollow square tube; the movable arm 1B has a square cross section; the movable arm 1B is movably inserted into the hollow cavity of the fixed arm 1A;

[0029] Along the longitudinal direction, a row of insertion holes are evenly distributed at corresponding positions of the fixed arm 1A and the movable arm 1B, and the fixed arm 1A and the movable arm 1B are locked by an adjustable pin 8 that passes through the insertion holes on the fixed arm 1A and the movable arm 1B at the same time.

[0030] The length of the fixed arm 1A can be adjusted by adjusting the position of the movable arm 1B inserted into the fixed arm 1A and inserting the adjustable pin 8 into different sockets. When the forklift is fixed to a certain place, the outrigger arm 1 can also be adjusted to achieve different ranges of lifting.

[0031] In this embodiment, the clamp includes two clamping plates 5 arranged opposite to each other and a scissor-type mechanism 3 connected to the bottom end of the lifting chain 2. The clamping plates 5 are installed at the end of the scissor-type mechanism 3, and the two clamping plates 5 are driven to move closer or farther through the scissor-type mechanism 3. In this structure, the gap between the clamping plates 5 is pre-adjusted during lifting, and the vertical plate to be lifted is placed in the middle of the clamping plates 5 and pressed against the inner side of the clamping plates 5. The lifting and clamping is achieved by the upward movement of the outer fork of the forklift and the deadweight of the vertical plate. Since the clamping is achieved by deadweight, the risk of the vertical plate being clamped and deformed can be reduced, and the operation is simple and easy. Fastening bolts can also be set on the clamping plates 5, which play a role in preventing the vertical plate from falling off.

[0032] In order to further improve the anti-slip property and enhance the transfer efficiency, a rubber pad 4 is provided on the inner side of the clamping plate 5 .

Claims

1. A steel plate transfer auxiliary tool for suspension bridge steel box girder, characterized by: It comprises a main support (7), an outrigger arm (1) and a clamp; the clamp is suspended at the outrigger end of the outrigger arm (1) via a suspension chain (2); The main bracket (7) comprises two connecting rods (7A) parallel to each other, and connecting blocks (7B) are arranged on the two connecting rods (7A), and the two connecting rods (7A) are assembled into one body through the connecting blocks (7B); the distance between the two connecting rods (7A) is adapted to the distance between the two front forks of the forklift; the connecting rod (7A) is a hollow rod with two ends penetrating, and the hollow inner cavity of the connecting rod (7A) is adapted to the front fork of the forklift; and a row of fastening bolts (6) are arranged on the connecting rod (7A) along its longitudinal direction; The outrigger arm (1) is installed on the main support (7) in parallel with the connecting rod (7A) of the main support (7), and the outrigger arm (1) is equidistant from the two connecting rods (7A).

2. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to claim 1, characterized in that: The outrigger arm (1) is fixed to a connecting block (7B) of the main bracket (7).

3. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to claim 2, characterized in that: The connecting block (7B) is in the shape of an isosceles triangle, the connecting rod (7A) is located at the base of the isosceles triangle, and the outrigger arm (1) is arranged at the top of the isosceles triangle.

4. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to claim 3, characterized in that: The outrigger arm (1) comprises a fixed arm (1A) and a movable arm (1B), wherein the fixed arm (1A) is fixed to a connecting block (7B), and the movable arm (1B) is movably connected to the fixed arm (1A) along the longitudinal direction.

5. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to claim 4, characterized in that: The fixed arm (1A) is a hollow square tube; the movable arm (1B) has a square cross section; the movable arm (1B) is movably inserted into the hollow cavity of the fixed arm (1A); A row of insertion holes are evenly distributed at corresponding positions of the fixed arm (1A) and the movable arm (1B) in the longitudinal direction, and the fixed arm (1A) and the movable arm (1B) are locked by an adjustable latch (8) that passes through the insertion holes on the fixed arm (1A) and the insertion holes on the movable arm (1B) at the same time.

6. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to any one of claims 1 to 4, characterized in that: The clamp comprises two clamping plates (5) arranged opposite to each other and a scissor-fork mechanism (3) connected to the bottom end of a suspension chain (2); the clamping plate (5) is mounted at the end of the scissor-fork mechanism (3), and the two clamping plates (5) are driven to move closer or farther away via the scissor-fork mechanism (3).

7. The steel plate transport auxiliary tool for a suspension bridge steel box girder according to claim 6, characterized in that: A rubber pad (4) is arranged on the inner side of the clamping plate (5).

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