Lifting device for municipal steel structure construction

Abstract

The invention relates to the field of steel structure construction, and discloses a lifting device for municipal steel structure construction, which comprises a machine base and a machine body, the machine body is mounted at the top end of the machine base, a telescopic cylinder is arranged in the machine body, a disc is mounted at the top end of the telescopic cylinder, a supporting shaft is arranged at the top end of the disc, and a connecting shaft is movably mounted at the top end of the supporting shaft; a lifting arm is movably installed on the surface of the connecting shaft, a first air cylinder is movably installed on the side wall of the supporting shaft, the output end of the first air cylinder is movably connected with the lifting arm, connecting frames are symmetrically installed on the side, close to the supporting shaft, of the bottom end of the lifting arm, second motors are installed on the side walls of the connecting frames, and rollers are installed at the output ends of the second motors. A pulley is movably installed on the side, away from the connecting frame, of the bottom end of the cargo boom, a steel wire rope is wound around the surface of the roller and extends to the surface of the pulley, and clamping arms are symmetrically arranged at the bottom end of the steel wire rope.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure construction, specifically to the technical field of steel structure transportation, and particularly to a lifting device for municipal steel structure construction. Background Art

[0002] The lifting device is mainly powered by the power system, the transmission system transmits the power to the working mechanism, the hydraulic system realizes lifting, rotation, extension and other actions, the control system is responsible for receiving operating instructions and controlling the action of the crane, the support and stability system ensures the stability and safety of the crane. In construction, the construction of roof steel structure requires the use of lifting machinery and equipment for lifting. Currently, the commonly used lifting machinery and equipment on the market include cranes, elevators, hanging baskets, etc. Among them, cranes are the most commonly used lifting equipment and can meet the lifting needs of most buildings. Elevators and hanging baskets are suitable for high-rise buildings and can be lifted and lowered as needed.

[0003] Based on the search for municipal steel structure construction lifting technology, a Chinese utility model patent with authorization announcement number CN221116725U was found, which discloses a steel structure beam lifting device for municipal road and bridge construction, including a driving motor, a bearing seat, a winch and a hook. The driving motor is equipped with a winch through the bearing seat, and a hook is wound under the winch. The driving motor and the bottom of the bearing seat are equipped with an adjustment structure, and the adjustment structure includes a bottom plate, a column 1 is inserted on the right side of the bottom plate, and a column 2 is inserted on the left side of the bottom plate. A limit plate similar to the bottom plate is arranged above the bottom plate, and a moving structure is arranged at the lower ends of the column 1 and the column 2. The moving structure includes moving wheels, and the moving wheels are respectively fixed at the bottom ends of the column 1 and the column 2, and a moving rail is arranged on the outside of the moving wheel.

[0004] Although the above-mentioned prior art realizes the convenience of assembly adjustment of column one and column two, and selects the adjustment holes corresponding to the appropriate span for insertion, it is convenient to cooperate with the lifting of different steel components, making subsequent operations more convenient, and making it convenient to fine-tune the movement according to the situation during lifting, making assembly construction more convenient, and improving the adjustability and practicality of the steel structure beam lifting device for municipal road and bridge construction, there are still some shortcomings. For example, it does not solve the problem that the existing municipal steel structure lifting device of this type is generally not conducive to multi-position rotation adjustment and grasping of the steel structure during use, is not convenient for circular rotation adjustment of the lifting position, and is not convenient for multi-structure linkage and rapid lifting and transportation of steel structures, which greatly affects the movement range, affects the stability of the lifting device, and affects the efficiency of the lifting device for steel structure lifting.

[0005] Based on the above, the present invention proposes a lifting device for municipal steel structure construction. Summary of the invention

[0006] In order to solve the problems raised in the above background technology that the municipal steel structure lifting device is not convenient for multi-position rotation adjustment and grabbing of the steel structure, is not convenient for circular rotation adjustment of the lifting position, is not convenient for multi-structure linkage and rapid lifting and transportation of the steel structure, which affects the moving range, affects the stability of the lifting device, and affects the efficiency of the lifting device in lifting the steel structure, the present invention provides a lifting device for municipal steel structure construction.

[0007] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows.

[0008] A lifting device for municipal steel structure construction comprises a machine base and a fuselage, wherein the fuselage is installed on the top of the machine base, a telescopic cylinder is arranged inside the fuselage, a disc is installed on the top of the telescopic cylinder, a supporting shaft is arranged on the top of the disc, a connecting shaft is movably installed on the top of the supporting shaft, a lifting arm is movably installed on the surface of the connecting shaft, a first cylinder is movably installed on the side wall of the supporting shaft, and the output end of the first cylinder is movably connected to the lifting arm, a connecting frame is symmetrically installed on one side of the bottom end of the lifting arm close to the supporting shaft, a second motor is installed on the side wall of the connecting frame, a roller is installed on the output end of the second motor, and the end of the roller away from the second motor is movably connected to the connecting frame.

[0009] As a further improvement and optimization of the present invention, a pulley is movably installed on the side of the bottom end of the lifting arm away from the connecting frame, a steel wire rope is wound around the surface of the drum, and the steel wire rope extends to the surface of the pulley, and a clamping arm is symmetrically arranged at the bottom end of the steel wire rope.

[0010] As a further improvement and optimization of the present invention, four sets of frames with equal spacing are movably installed on the outer wall of the base, and a second cylinder is installed on the side of the frame away from the base, and the output end of the second cylinder is installed with a foot.

[0011] As a further improvement and optimization of the present invention, a first motor is symmetrically installed inside the body at the top of the base, and a threaded rod is installed at the output end of the first motor. The surface of the threaded rod is covered with a threaded sleeve, and the threaded sleeve is connected to the telescopic cylinder.

[0012] As a further improvement and optimization of the present invention, a third motor is installed inside the disc, and a small gear is installed at the output end of the third motor.

[0013] As a further improvement and optimization of the present invention, a large gear is installed at the bottom end of the support shaft, and the small gear is meshed with the large gear.

[0014] As a further improvement and optimization of the present invention, a control panel is installed on the side wall of the fuselage.

[0015] As a further improvement and optimization of the present invention, a support column frame is installed at the bottom end of the wire rope, both ends of the support column frame are equipped with sliding sleeves, and a double-axis cylinder is installed at the center position of the side wall of the support column frame.

[0016] As a further improvement and optimization of the present invention, the output ends of the dual-axis cylinders are both equipped with support blocks, and the support blocks are connected to the sliding sleeves.

[0017] As a further improvement and optimization of the present invention, the bottom end of the sliding sleeve is connected to the clamping arm, and the output end of the control panel is connected to the first cylinder, the first motor, the second motor, the dual-axis cylinder, the second cylinder, and the third motor.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. This solution not only realizes the multi-position rotation adjustment grabbing of the lifting device for the steel structure, facilitates the circular rotation adjustment of the lifting position, and facilitates the rapid lifting and transportation of the steel structure by multi-structure linkage, but also increases the moving range, improves the stability of the lifting device, and improves the efficiency of the lifting device for steel structure lifting. Specifically:

[0020] This solution drives the machine foot to move downward and support through the second cylinder, so that the machine base and the machine body are more stable under the force of the ground, the first motor drives the threaded rod to rotate, the threaded rod drives the threaded sleeve to move up and down, the threaded sleeve drives the telescopic cylinder to move up and down, the telescopic cylinder drives the disc to move up and down, the disc drives the support shaft to move up and down, the support shaft drives the lifting arm to move up and down, when it moves to a certain height, the first cylinder drives the lifting arm to move with the connecting shaft as the axis, so as to facilitate the multi-angle adjustment position to grab the steel structure, realize the lifting device to grasp the steel structure in multi-position rotation adjustment, increase the moving range, improve the stability of the lifting device, and improve the efficiency of the lifting device to lift the steel structure;

[0021] In this solution, the second motor drives the drum to rotate, and the drum releases the wire rope by rotating. Under the action of the pulley, the wire rope drives the support column frame to move downward. When it moves to the clamping area, the double-axis cylinder drives the two sets of sliding sleeves to shrink and clamp inward through the support block, and the sliding sleeve drives the clamping arm to shrink and clamp inward, so that the steel structure is clamped on the surface of the clamping arm. After the clamping is completed, the control panel operates the second motor in the opposite direction to lift the clamping arm upward, and the third motor drives the small gear to rotate, drives the large gear to rotate, the large gear drives the support shaft to rotate, and the support shaft drives the connecting shaft to rotate. The connecting shaft drives the lifting arm to rotate. When it rotates to the placement area, the control panel turns on the second motor to transport the clamping arm downward to the specified height. The control panel operates the double-axis cylinder in the opposite direction. The double-axis cylinder drives the two sets of sliding sleeves to move outward through the support blocks. The sliding sleeves drive the clamping arm to move outward to place the steel structure in the placement area, which is convenient for clamping and conveying the steel structure. The lifting device can conveniently clamp, fix, lift and transport the steel structure, facilitate circular rotation to adjust the lifting position, and facilitate multi-structure linkage to quickly lift and convey the steel structure.

[0022] 2. Another core of this solution is: From the above description, it can be seen that this solution can realize the grabbing of steel structures at different positions, and at the same time can transfer and transport the steel structures to preset positions. On this basis, the boom in this solution is an integrated structure, and there is a first cylinder under the boom to support it. Therefore, compared with the telescopic boom technology in the existing lifting technology, the boom structure in this solution is higher in strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0024] Figure 2 It is a schematic diagram of the front cross-sectional structure of the fuselage of the present invention;

[0025] Figure 3 It is a front view structural schematic diagram of the present invention;

[0026] Figure 4 It is a schematic diagram of the three-dimensional structure of the fuselage of the present invention;

[0027] Figure 5 It is a schematic diagram of the three-dimensional structure of the support column frame of the present invention.

[0028] The reference numerals in the accompanying drawings are:

[0029] 1. Machine base; 2. Machine body; 3. Telescopic cylinder; 4. Disc; 5. Lifting arm; 6. Support shaft; 7. First cylinder; 8. First motor; 9. Threaded sleeve; 10. Threaded rod; 11. Connecting frame; 12. Second motor; 13. Roller; 14. Pulley; 15. Wire rope; 16. Support column frame; 17. Sliding sleeve; 18. Clamp arm; 19. Double-axis cylinder; 20. Support block; 21. Frame; 22. Second cylinder; 23. Machine foot; 24. Third motor; 25. Small gear; 26. Large gear; 27. Control panel; 28. Connecting shaft. DETAILED DESCRIPTION

[0030] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined invention purpose, the specific implementation mode, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0031] Reference Figure 1-Figure 5 A lifting device for municipal steel structure construction includes a machine base 1 and a fuselage 2. The fuselage 2 is installed on the top of the machine base 1, and a control panel 27 is installed on the side wall of the fuselage 2. A telescopic cylinder 3 is arranged inside the fuselage 2, and a disc 4 is installed on the top of the telescopic cylinder 3. A support shaft 6 is arranged on the top of the disc 4. A connecting shaft 28 is movably installed on the top of the supporting shaft 6. A lifting arm 5 is movably installed on the surface of the connecting shaft 28. A first cylinder 7 is movably installed on the side wall of the supporting shaft 6, and the output end of the first cylinder 7 is movably connected to the lifting arm 5. Then, a connecting frame 11 is symmetrically installed on one side of the bottom end of the lifting arm 5 close to the supporting shaft 6, a second motor 12 is installed on the side wall of the connecting frame 11, a roller 13 is installed on the output end of the second motor 12, and the end of the roller 13 away from the second motor 12 is movably connected to the connecting frame 11, a pulley 14 is movably installed on the side of the bottom end of the lifting arm 5 away from the connecting frame 11, a steel wire rope 15 is wound on the surface of the roller 13, and the steel wire rope 15 extends to the surface of the pulley 14, and a clamping arm 18 is symmetrically arranged on the bottom end of the steel wire rope 15.

[0032] Four sets of frames 21 with equal spacing are movably mounted on the outer wall of the base 1 , and second cylinders 22 are mounted on the sides of the frames 21 away from the base 1 , and feet 23 are mounted on the output ends of the second cylinders 22 .

[0033] A first motor 8 is symmetrically installed inside the body 2 at the top of the base 1. A threaded rod 10 is installed at the output end of the first motor 8. The surface of the threaded rod 10 is sleeved with a threaded sleeve 9, and the threaded sleeve 9 is connected to the telescopic cylinder 3.

[0034] When it is necessary to lift the steel structure of the municipal engineering department, first push the fuselage 2. Under the support of the wheels, the fuselage 2 drives the base 1 to move to a suitable position. The operation control panel 27 turns on the second cylinder 22. The second cylinder 22 drives the machine foot 23 to move downward to support. Under the force of the ground, the base 1 and the fuselage 2 are more stable. The operation control panel 27 turns on the first motor 8. Under the support of the fuselage 2, the first motor 8 drives the threaded rod 10 to rotate. Under the threaded connection between the threaded rod 10 and the threaded sleeve 9, the threaded rod 10 drives the threaded sleeve 9 to move up and down. 9 drives the telescopic cylinder 3 to move up and down, the telescopic cylinder 3 drives the disc 4 to move up and down, the disc 4 drives the supporting shaft 6 to move up and down, the supporting shaft 6 drives the lifting arm 5 to move up and down. When it moves to a certain height, the operation control panel 27 turns on the first cylinder 7. Under the support of the supporting shaft 6, the first cylinder 7 drives the lifting arm 5 to move with the connecting shaft 28 as the axis, so as to facilitate the multi-angle adjustment position to grasp the steel structure, realize the lifting device to grasp the steel structure in multi-position rotation adjustment, increase the moving range, improve the stability of the lifting device, and improve the efficiency of the lifting device in lifting the steel structure.

[0035] A third motor 24 is installed inside the disc 4 , a small gear 25 is installed at the output end of the third motor 24 , a large gear 26 is installed at the bottom end of the support shaft 6 , and the small gear 25 meshes with the large gear 26 .

[0036] A support column frame 16 is installed at the bottom end of the wire rope 15, and sliding sleeves 17 are installed at both ends of the support column frame 16. A double-axis cylinder 19 is installed at the center position of the side wall of the support column frame 16, and support blocks 20 are installed at the output ends of the double-axis cylinder 19, and the support blocks 20 are connected to the sliding sleeves 17.

[0037] The bottom ends of the sliding sleeves 17 are connected to the clamping arms 18 , and the output ends of the control panel 27 are connected to the first cylinder 7 , the first motor 8 , the second motor 12 , the dual-axis cylinder 19 , the second cylinder 22 , and the third motor 24 .

[0038] The operation control panel 27 turns on the second motor 12. With the support of the connecting frame 11, the second motor 12 drives the drum 13 to rotate. The drum 13 releases the wire rope 15 by rotating. Under the action of the pulley 14, the wire rope 15 drives the support column frame 16 to move downward. When it moves to the clamping area, the operation control panel 27 turns on the double-axis cylinder 19. With the support of the support column frame 16, the double-axis cylinder 19 drives the two sets of sliding sleeves 17 to retract and clamp inward through the support block 20. The sliding sleeve 17 drives the clamping arm 18 to retract and clamp inward, so that the steel structure is clamped on the surface of the clamping arm 18. After the clamping is completed, the operation control panel 27 operates the second motor 12 in the opposite direction to lift the clamping arm 18 upward. The operation control panel 27 turns on the third motor 24. With the support of the disc 4, the third motor 24 drives the pinion 25 to rotate , under the meshing of the small gear 25 and the large gear 26, the large gear 26 is driven to rotate, the large gear 26 drives the support shaft 6 to rotate, the support shaft 6 drives the connecting shaft 28 to rotate, and the connecting shaft 28 drives the lifting arm 5 to rotate. When it rotates to the placement area, the operation control panel 27 turns on the second motor 12 to transport the clamping arm 18 downward to a specified height. The operation control panel 27 operates the double-axis cylinder 19 in the opposite direction. The double-axis cylinder 19 drives the two sets of sliding sleeves 17 to move outward through the support block 20, and the sliding sleeve 17 drives the clamping arm 18 to move outward to place the steel structure in the placement area, so as to facilitate the clamping and transportation of the steel structure, realize the convenient clamping, fixing, lifting and transportation of the steel structure by the lifting device, facilitate the circular rotation adjustment of the lifting position, and facilitate the rapid lifting and transportation of the steel structure by multi-structure linkage.

[0039] Working principle of the present invention:

[0040] The second cylinder 22 drives the machine foot 23 to move downward to support, and under the force of the ground, the machine base 1 and the fuselage 2 are more stable. The first motor 8 drives the threaded rod 10 to rotate, and the threaded rod 10 drives the threaded sleeve 9 to move up and down, and the threaded sleeve 9 drives the telescopic cylinder 3 to move up and down, and the telescopic cylinder 3 drives the disc 4 to move up and down, and the disc 4 drives the support shaft 6 to move up and down, and the support shaft 6 drives the lifting arm 5 to move up and down. When it moves to a certain height, the first cylinder 7 drives the lifting arm 5 to move with the connecting shaft 28 as the axis to facilitate multi-angle adjustment of the position to grasp the steel structure. The second motor 12 drives the drum 13 to rotate, and the drum 13 releases the wire rope 15 by rotating. Under the action of the pulley 14, the wire rope 15 drives the supporting column frame 16 to move downward. When it moves to the clamping area, the double-axis cylinder 19 drives the two sets of sliding sleeves 17 to contract and clamp inward through the support block 20. The sliding sleeve 17 carries The movable clamping arm 18 contracts and clamps inwardly, so that the steel structure is clamped on the surface of the clamping arm 18. After the clamping is completed, the control panel 27 is operated to operate the second motor 12 in the opposite direction to lift the clamping arm 18 upward, and the third motor 24 drives the small gear 25 to rotate, drives the large gear 26 to rotate, and the large gear 26 drives the support shaft 6 to rotate, and the support shaft 6 drives the connecting shaft 28 to rotate, and the connecting shaft 28 drives the lifting arm 5 to rotate. When it rotates to the placement area, the control panel 27 is operated to turn on the second motor 12 to transport the clamping arm 18 downward to a specified height. The control panel 27 is operated to operate the double-axis cylinder 19 in the opposite direction. The double-axis cylinder 19 drives the two sets of sliding sleeves 17 to move outward through the support block 20, and the sliding sleeve 17 drives the clamping arm 18 to move outward, so that the steel structure is placed in the placement area, so as to facilitate the clamping and transportation of the steel structure, and complete the use of the municipal steel structure lifting device.

[0041] From the above description, it can be seen that another core of the present solution is: from the above description, it can be seen that the present solution can realize the grabbing of steel structures at different positions, and at the same time can transfer and transport the steel structures to preset positions. On this basis, the boom in the present solution is an integrated structure, and there is a first cylinder to support it under the boom. Therefore, compared with the telescopic boom technology in the existing lifting technology, the boom structure in the present solution is higher in strength.

[0042] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Although the present invention has been disclosed as a preferred embodiment as above, it is not used to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A lifting device for municipal steel structure construction, comprising a base and a body, characterized in that: A fuselage is installed on the top of the base, a telescopic cylinder is arranged inside the fuselage, a disc is installed on the top of the telescopic cylinder, a supporting shaft is arranged on the top of the disc, a connecting shaft is movably installed on the top of the supporting shaft, a lifting arm is movably installed on the surface of the connecting shaft, a first cylinder is movably installed on the side wall of the supporting shaft, and the output end of the first cylinder is movably connected to the lifting arm, a connecting frame is symmetrically installed on one side of the bottom end of the lifting arm close to the supporting shaft, a second motor is installed on the side wall of the connecting frame, a roller is installed on the output end of the second motor, and the end of the roller away from the second motor is movably connected to the connecting frame.

2. A lifting device for municipal steel structure construction according to claim 1, characterized in that: A pulley is movably mounted on one side of the bottom end of the lifting arm away from the connecting frame, a steel wire rope is wound around the surface of the drum, and the steel wire rope extends to the surface of the pulley, and a clamping arm is symmetrically arranged at the bottom end of the steel wire rope.

3. A lifting device for municipal steel structure construction according to claim 2, characterized in that: Four sets of frames with equal spacing are movably mounted on the outer wall of the base, and a second cylinder is mounted on one side of the frames away from the base, and a foot is mounted on the output end of the second cylinder.

4. A lifting device for municipal steel structure construction according to claim 2, characterized in that: A first motor is symmetrically installed inside the body at the top of the base, and a threaded rod is installed at the output end of each of the first motors. A threaded sleeve is sleeved on the surface of each of the threaded rods, and the threaded sleeve is connected to the telescopic cylinder.

5. A lifting device for municipal steel structure construction according to claim 2, characterized in that: A third motor is installed inside the disc, and a pinion is installed at the output end of the third motor.

6. A lifting device for municipal steel structure construction according to claim 5, characterized in that: A large gear is installed at the bottom end of the supporting shaft, and the small gear is meshed with the large gear.

7. A lifting device for municipal steel structure construction according to claim 2, characterized in that: A control panel is installed on the side wall of the fuselage.

8. A lifting device for municipal steel structure construction according to claim 7, characterized in that: A support column frame is installed at the bottom end of the steel wire rope, and sliding sleeves are mounted on both ends of the support column frame. A double-axis cylinder is installed at the center position of the side wall of the support column frame.

9. A lifting device for municipal steel structure construction according to claim 8, characterized in that: The output ends of the double-axis cylinders are both equipped with support blocks, which are connected to the sliding sleeves.

10. A lifting device for municipal steel structure construction according to claim 9, characterized in that: The bottom ends of the sliding sleeves are connected to the clamping arms, and the output end of the control panel is connected to the first cylinder, the first motor, the second motor, the double-axis cylinder, the second cylinder, and the third motor.

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