A lifting device for installing H-shaped steel columns

Abstract

This utility model relates to the field of H-shaped steel column technology and discloses a lifting device for installing H-shaped steel columns, including a clamping device and a boom. A variable frequency motor is installed at the left end of the boom, and a support column is rotatably connected to the left end of the boom. The clamping device is installed at the right end of the boom and includes a connecting plate, a connecting frame, a clamping assembly, and a storage device. The storage device is installed on the top surface of the connecting frame, the connecting frame is installed on the top surface of the connecting plate, and the connecting plate is fixedly connected to the top of the clamping assembly. This lifting device for installing H-shaped steel columns, by incorporating a clamping plate, a vertical threaded rod, and a metal slide rail, allows the metal slide rail to slide on the surface of the vertical threaded rod. The clamping plate and the metal slide rail can clamp and fix the H-shaped steel column, maintaining its stability and effectively preventing it from detaching from the bearing plate, thus increasing the device's service life.

Description

Technical Field

[0001] This utility model relates to the field of H-shaped steel column technology, specifically a lifting device for installing H-shaped steel columns. Background Technology

[0002] H-shaped steel columns are steel structural members with an "H"-shaped cross-section. They consist of two parallel flanges and a web connecting the two legs, and are considered economical profiles.

[0003] The prior art discloses a lifting device for installing H-shaped steel columns, with announcement number CN218403436U, belonging to the field of steel processing technology. It includes a base with four wheels, four rotating shafts fixedly installed inside the base, and sleeves rotatably mounted on the shafts. The base has four square holes for the sleeves to pass through. A folding unit for driving the sleeves to rotate is provided inside the base, and support legs are slidably installed inside the sleeves. A handwheel is provided; when the handwheel rotates, it drives a bidirectional screw to rotate, which in turn drives two driving blocks to move relative to each other. When the two driving blocks are relatively close, they drive the sleeves to rotate into the base via a driving rod, achieving a folding and retraction effect. When the two driving blocks are relatively far apart, they drive the sleeves to rotate out of the base via the driving rod, achieving an unfolding effect. When the sleeves unfold, the support legs are pulled out. The overall stress points of the device are concentrated on the four support legs, greatly improving the overall stability of the device.

[0004] The aforementioned fixing frame is equipped with a clamping assembly for clamping H-shaped steel columns. However, the clamping assembly is not equipped with a limit device, which will cause the H-shaped steel columns to shift inside the clamping assembly, causing the H-shaped steel columns to fall off the clamping assembly. Utility Model Content

[0005] The purpose of this utility model is to provide a lifting device for installing H-shaped steel columns, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a lifting device for installing H-shaped steel columns, including a clamping device and a boom, wherein a variable frequency motor is installed at the left end of the boom, a support column is rotatably connected to the left end of the boom, and the clamping device is installed at the right end of the boom.

[0007] The clamping device includes a connecting plate, a connecting frame, a clamping assembly, and a storage device. The storage device is installed on the top surface of the connecting frame, the connecting frame is installed on the top surface of the connecting plate, and the connecting plate is fixedly connected to the top of the clamping assembly.

[0008] The clamping assembly includes a support unit and a clamping unit, which are arranged sequentially from bottom to top.

[0009] The clamping unit includes a clamping plate, a vertical threaded rod is fixedly connected to the top surface of the clamping plate, and a metal slide rail is slidably connected to the bottom of the vertical threaded rod.

[0010] Preferably, the bearing unit includes a bearing plate, a connecting rod is inserted into the bottom of the bearing plate, a helical spring is fixedly connected to the inner wall surface of the bearing plate, a connecting sleeve is fixedly connected to the inward side surface of the helical spring, a fastening threaded rod is fixedly connected to the top surface of the connecting sleeve, and a vertical metal rod is fixedly connected to the top surface of the bearing plate.

[0011] Preferably, the clamping plate is slidably connected to the top surface of the bearing plate, and the clamping plate is movably connected to the surface of the fastening threaded rod. The fastening threaded rod can determine the position of the clamping plate, making it convenient to disassemble and replace the clamping plate.

[0012] Preferably, the connecting sleeve is slidably connected to the top of the bearing plate, and the connecting sleeve is movably connected to the bottom surface of the clamping plate. The clamping plate and the connecting sleeve are locked and fixed by a fastening threaded rod, thereby determining the position of the clamping plate and facilitating the disassembly and replacement of the clamping plate.

[0013] Preferably, the metal slide rail is slidably connected to the top surface of the clamping plate, the clamping plate slides on the bottom surface of the metal slide rail, and then the nut is rotated, the nut rotates on the surface of the vertical threaded rod, which can limit the H-shaped steel columns of different specifications.

[0014] Preferably, there are four vertical metal rods, which are distributed at the four corners of the support plate. The vertical metal rods are fixedly connected to the four corners of the connecting plate, and the connection plate and the support plate are adjusted through the vertical metal rods.

[0015] Preferably, the connecting rod is slidably connected to the bottom of the connecting sleeve. The connecting rod is located inside the helical spring. The connecting rod can determine the position of the connecting sleeve, making the movement of the connecting sleeve smoother and protecting the safety of the clamp.

[0016] Preferably, the storage device is installed on the left side of the boom, and the connecting frame is located below the boom. The storage device is installed on the left side of the boom, which allows the storage device to push the connecting frame downward, thereby adjusting the position of the clamping assembly.

[0017] Compared with the prior art, the beneficial effects of this utility model are:

[0018] 1. The lifting device for installing H-shaped steel columns is equipped with clamping plates, vertical threaded rods, and metal slide rails. The metal slide rails slide on the surface of the vertical threaded rods, and the clamping plates and metal slide rails can clamp and fix the H-shaped steel columns, maintain the stability of the H-shaped steel columns, effectively prevent the H-shaped steel columns from detaching from the bearing plate, and increase the service life of the device.

[0019] 2. The lifting device for installing the H-shaped steel column is equipped with a helical spring, a connecting sleeve, and a connecting rod. The connecting sleeve slides on the surface of the connecting rod, which allows the clamping plate and the bearing plate to clamp and fix the H-shaped steel column. This allows the clamping plate to be disassembled and replaced, increasing the service life of the clamping plate and protecting its safety. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of the entire utility model;

[0021] Figure 2 This utility model Figure 1 A magnified view of the structure at point A in the diagram;

[0022] Figure 3 This is a three-dimensional schematic diagram of the clamping plate, helical spring, vertical threaded rod, and connecting sleeve of this utility model;

[0023] Figure 4 This utility model Figure 3 A magnified view of the structure at point B in the diagram.

[0024] In the diagram: 1. Clamping device; 11. Connecting plate; 12. Connecting frame; 13. Clamping assembly; 131. Bearing plate; 132. Connecting rod; 133. Clamping plate; 134. Helical spring; 135. Metal slide rail; 136. Vertical threaded rod; 137. Connecting sleeve; 138. Fastening threaded rod; 139. Vertical metal rod; 14. Storage device; 2. Support column; 3. Variable frequency motor; 4. Boom. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figure 1-4 The present invention provides the following technical solution:

[0027] A lifting device for installing H-shaped steel columns includes a clamping device 1 and a boom 4. A variable frequency motor 3 is installed at the left end of the boom 4, and a support column 2 is rotatably connected to the left end of the boom 4. The clamping device 1 is installed at the right end of the boom 4.

[0028] The clamping device 1 includes a connecting plate 11, a connecting frame 12, a clamping assembly 13, and a storage device 14. The storage device 14 is installed on the top surface of the connecting frame 12 and on the left side of the boom 4. The connecting frame 12 is located below the boom 4. The storage device 14 is installed on the left side of the boom 4, which allows the storage device 14 to push the connecting frame 12 downward, thereby adjusting the position of the clamping assembly 13. The connecting frame 12 is installed on the top surface of the connecting plate 11, and the connecting plate 11 is fixedly connected to the top of the clamping assembly 13.

[0029] The clamping assembly 13 includes a support unit and a clamping unit, which are arranged sequentially from bottom to top.

[0030] The clamping unit includes a clamping plate 133. A vertical threaded rod 136 is fixedly connected to the top surface of the clamping plate 133. A metal slide rail 135 is slidably connected to the bottom of the vertical threaded rod 136. The metal slide rail 135 is slidably connected to the top surface of the clamping plate 133. The clamping plate 133 slides on the bottom surface of the metal slide rail 135. Then, the nut is rotated, and the nut rotates on the surface of the vertical threaded rod 136, which can limit the H-shaped steel columns of different specifications.

[0031] The supporting unit includes a supporting plate 131. A connecting rod 132 is inserted into the bottom of the supporting plate 131. A helical spring 134 is fixedly connected to the inner wall surface of the supporting plate 131. A connecting sleeve 137 is fixedly connected to the inward side surface of the helical spring 134. The connecting rod 132 is slidably connected to the bottom of the connecting sleeve 137. The connecting rod 132 is located inside the helical spring 134. The connecting rod 132 can determine the position of the connecting sleeve 137, making the movement of the connecting sleeve 137 smoother and protecting the safety of the clamping plate 133. A fastening threaded rod 138 is fixedly connected to the top surface of the connecting sleeve 137. The connecting sleeve 137 is slidably connected to the top of the supporting plate 131 and movably connected to the bottom surface of the clamping plate 133. The clamping plate 133 and the connecting sleeve 137 are locked together by a fastening threaded rod 138, thereby determining the position of the clamping plate 133 and facilitating its disassembly and replacement. The clamping plate 133 is slidably connected to the top surface of the bearing plate 131 and movably connected to the surface of the fastening threaded rod 138. The fastening threaded rod 138 can determine the position of the clamping plate 133 and facilitate its disassembly and replacement. A vertical metal rod 139 is fixedly connected to the top surface of the bearing plate 131. There are four vertical metal rods 139, which are distributed at the four corners of the bearing plate 131 and fixedly connected to the four corners of the connecting plate 11. The connection plate 11 and the bearing plate 131 are adjusted by the vertical metal rods 139.

[0032] When in use, the storage device 14 is activated. The rope inside the storage device 14 can push the connecting frame 12 to move downward. The connecting frame 12 drives the clamping assembly 13 to move downward through the connecting plate 11. The position of the clamping assembly 13 can be adjusted so that the bottom surface of the clamping assembly 13 is connected to the ground.

[0033] Rotate the nut, and the nut will move upward on the vertical threaded rod 136, so that the nut is located at the top of the vertical threaded rod 136. Then pull the metal slide rail 135 upward, so that the metal slide rail 135 can slide on the surface of the vertical threaded rod 136, and the position of the metal slide rail 135 can be adjusted.

[0034] The helical spring 134 begins to rebound, and the helical spring 134 can push the connecting sleeve 137 to slide on the surface of the connecting rod 132, so that the helical spring 134 slides on the top of the bearing plate 131, and the connecting sleeve 137 can drive the clamping plate 133 to slide on the top surface of the bearing plate 131 through the fastening threaded rod 138.

[0035] The H-shaped steel column is pushed forward, so that the bottom surface of the H-shaped steel column is connected to the top surface of the bearing plate 131. The H-shaped steel column can push the clamping plate 133 outward. The clamping plate 133 can slide on the surface of the connecting rod 132, so that the helical spring 134 can be compressed between the clamping plate 133 and the bearing plate 131.

[0036] The metal slide rail 135 slides on the surface of the vertical threaded rod 136, so that the metal slide rail 135 and the top surface of the H-shaped steel column are connected. Then, the nut is rotated, and the nut rotates on the surface of the metal slide rail 135. The metal slide rail 135 and the clamping plate 133 can clamp and fix the H-shaped steel column, so that the H-shaped steel column can be hoisted and transported, thus facilitating the installation of the H-shaped steel column.

[0037] Although embodiments of the present invention 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 to the embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A lifting device for mounting H-shaped steel columns, comprising a clamping device (1) and a lifting arm (4), characterized in that: A variable frequency motor (3) is installed at the left end of the boom (4), a support column (2) is rotatably connected to the left end of the boom (4), and a clamping device (1) is installed at the right end of the boom (4). The clamping device (1) includes a connecting plate (11), a connecting frame (12), a clamping assembly (13), and a storage device (14). The storage device (14) is installed on the top surface of the connecting frame (12), the connecting frame (12) is installed on the top surface of the connecting plate (11), and the connecting plate (11) is fixedly connected to the top of the clamping assembly (13). The clamping assembly (13) includes a support unit and a clamping unit, which are arranged from bottom to top. The clamping unit includes a clamping plate (133), a vertical threaded rod (136) is fixedly connected to the top surface of the clamping plate (133), and a metal slide rail (135) is slidably connected to the bottom of the vertical threaded rod (136).

2. The lifting device for installing H-shaped steel columns according to claim 1, characterized in that: The bearing unit includes a bearing plate (131), a connecting rod (132) is inserted into the bottom of the bearing plate (131), a helical spring (134) is fixedly connected to the inner wall surface of the bearing plate (131), a connecting sleeve (137) is fixedly connected to the inward side surface of the helical spring (134), a fastening threaded rod (138) is fixedly connected to the top surface of the connecting sleeve (137), and a vertical metal rod (139) is fixedly connected to the top surface of the bearing plate (131).

3. The lifting device for installing H-shaped steel columns according to claim 2, characterized in that: The clamping plate (133) is slidably connected to the top surface of the bearing plate (131), and the clamping plate (133) is movably connected to the surface of the fastening threaded rod (138).

4. The lifting device for installing H-shaped steel columns according to claim 3, characterized in that: The connecting sleeve (137) is slidably connected to the top of the bearing plate (131), and the connecting sleeve (137) is movably connected to the bottom surface of the clamping plate (133).

5. A lifting device for installing H-shaped steel columns according to claim 4, characterized in that: The metal slide rail (135) is slidably connected to the top surface of the clamp (133).

6. The lifting device for installing H-shaped steel columns according to claim 5, characterized in that: The number of vertical metal rods (139) is four, and the four vertical metal rods (139) are distributed at the four corners of the bearing plate (131). The vertical metal rods (139) are fixedly connected to the four corners of the connecting plate (11).

7. A lifting device for installing H-shaped steel columns according to claim 6, characterized in that: The connecting rod (132) is slidably connected to the bottom of the connecting sleeve (137), and the connecting rod (132) is located inside the helical spring (134).

8. A lifting device for installing H-shaped steel columns according to claim 7, characterized in that: The storage device (14) is installed on the left side of the boom (4), and the connecting frame (12) is located below the boom (4).

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