Simple indoor crane for transferring steel members

The buffer plate and shock-absorbing spring structure of the simple indoor crane, combined with the slot and spring mechanism, solves the safety hazards and equipment wear problems of the hook during the lifting process, realizes the stable movement and efficient positioning of the crane indoors, and improves work efficiency and safety.

CN223342261UActive Publication Date: 2025-09-16TIANJIN NEW SHIWANGDA NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202422578252.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-09-16
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

During the lifting process, traditional hooks are prone to rope detachment due to vibration or improper operation, posing a safety hazard. Cranes and hooks are susceptible to accelerated wear due to impact and vibration during lifting. In addition, cranes are not flexible in moving and positioning indoors, requiring additional manpower or equipment for auxiliary fixation, reducing work efficiency.

Method used

A simple indoor crane was designed, which adopts a hook with a buffer plate and shock-absorbing spring structure, combined with a slot and spring mechanism to prevent the rope from falling off. Stable movement and positioning are achieved through moving wheels and threaded rods, enhancing safety and flexibility.

Benefits of technology

It effectively prevents ropes from falling off, reduces wear on hooks and crane structures, extends equipment life, and improves the efficiency of crane movement and positioning indoors, thereby enhancing work safety and efficiency.

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Abstract

The utility model discloses a simple indoor crane for transferring steel members, which relates to the technical field of cranes and comprises a transferring base, a supporting seat is arranged on the upper end face of the transferring base, a rope support is arranged at the upper end of the supporting seat, and a rope body for lifting the steel members is wound inside the rope support. The lifting hook is used for lifting a wound and bound steel member, a rope wound on the outer side of the steel member is placed in the lifting hook, then a stop lever rotates at the tail end of the lifting hook through a connecting shaft, and a push block is pressed to be compressed in a sliding groove through a compression spring and a telescopic sleeve rod; the clamping block slides and contracts in the stop lever, the tail end of the stop lever is clamped in the first clamping groove, the pushing block is loosened, the clamping block and the interior of the second clamping groove are clamped, the hook is blocked, the situation that the clamping block is separated from the hook due to shaking is prevented, the safety during lifting is enhanced, and operation is easy and convenient.
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Description

Technical Field

[0001] The utility model relates to the technical field of cranes, in particular to a simple indoor crane used for transporting steel components. Background Art

[0002] Steel structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates. It is one of the main and common types of building structures. During the construction of steel structures, steel beams, steel columns and other components need to be transported at the construction site. The components are often transported by crane plates from the storage location to the location of use.

[0003] During the lifting process, traditional hooks are prone to rope detachment due to vibration or improper operation, posing a safety hazard. The crane and hook are also susceptible to greater impact and vibration at the moment of lifting, which accelerates component wear and shortens the service life of the equipment. In addition, the movement and positioning of cranes indoors are often not flexible enough, requiring additional manpower or equipment to assist in fixing, which reduces work efficiency.

[0004] Therefore, in view of this, the existing structural deficiencies are studied and improved, and a simple indoor crane for transporting steel components is proposed. Utility Model Content

[0005] The purpose of the present utility model is to provide a simple indoor crane for transporting steel components, so as to solve the problems proposed in the above-mentioned background technology that the traditional hook is prone to rope falling off due to vibration or improper operation during the lifting process, causing safety hazards, and the crane and the hook are easily subjected to large impact and vibration at the moment of lifting, which will accelerate component wear and shorten the service life of the equipment. In addition, the movement and positioning of the crane indoors are often not flexible enough, and additional manpower or equipment is required for auxiliary fixation, which reduces work efficiency.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a simple indoor crane for transporting steel components, comprising a transport base, an upper end surface of the transport base being provided with a support base, an upper end of the support base being provided with a rope bracket, a rope body for lifting the steel component being wound inside the rope bracket, an end of the rope body being fixedly connected to a support plate, an upper end surface of the support plate being fixedly connected to a shock-absorbing spring, an upper end of the shock-absorbing spring being fixedly connected to a buffer plate, an upper end of the buffer plate being fixedly connected to a buffer shell, and a lower end of the buffer shell being fixedly connected to a hook;

[0007] A connecting shaft is provided at the end of the hook, the outer wall of the connecting shaft is connected to a blocking rod, the upper end surface of the blocking rod is provided with a sliding groove, the inside of the sliding groove is slidably connected to a push block, the front end of the push block is fixedly connected to a clamping block, the outer wall of the hook is fixedly connected to a fixed block, the inside of the fixed block is provided with a first clamping groove corresponding to the end of the blocking rod, and the inner wall of the first clamping groove is provided with a second clamping groove.

[0008] Furthermore, the second card slot and the card block have corresponding sizes so as to be in a card-engaging connection.

[0009] Furthermore, a compression spring is fixedly connected to the inner wall of the slide groove, the end of the compression spring is fixedly connected to the push block, the inner ring of the compression spring is provided with a telescopic sleeve, and the two ends of the telescopic sleeve are respectively fixedly connected to the push block and the blocking rod.

[0010] Furthermore, the inner ring of the shock-absorbing spring is located on the upper end surface of the support plate and is provided with a damping support rod, and the shock-absorbing spring is evenly distributed on the upper end surface of the support plate.

[0011] Furthermore, the front end wall of the support seat is provided with a lifting rod for lifting.

[0012] Furthermore, movable wheels are provided at the four ends of the lower end surface of the transfer base.

[0013] Furthermore, slide rail brackets are fixedly connected to both sides of the transfer base, the interior of the slide rail brackets is slidably connected to a support frame, the lower end of the support frame is fixedly connected to a rubber pad, the upper end surface of the transfer base is rotatably connected to a threaded rod, and the threaded rod is threadedly connected to the support frame.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] First, the hook of this practical arrangement is used to lift the wrapped and tied steel structures. The rope wrapped around the outside of the steel structure is placed inside the hook, and then the barrier rod is rotated at the end of the hook through the connecting shaft, and the push block is pressed to be compressed inside the slide groove through the compression spring and the telescopic sleeve, so that the card block slides and shrinks inside the barrier rod, and the end of the barrier rod is engaged in the inside of the first card slot. The push block is released, and the card block is engaged with the inside of the second card slot to block the hook, preventing the separation between the telescopic and the hook caused by shaking, thereby enhancing safety during lifting and being simple and convenient to operate.

[0016] Secondly, when the hook is being lifted, the hook is fixedly connected to the buffer plate and the buffer shell, and then the buffer plate performs a certain shock-absorbing and buffering effect on the support plate through the shock-absorbing spring and the damping support rod, so as to achieve buffering protection when the hook is lifting, reduce the impact and vibration of the hook and the crane structure during the lifting process, thereby reducing the wear and fatigue of these components, and helping to extend the service life of the hook and the crane structure, and then the movable wheels are used to facilitate movement indoors, and then the threaded rod is rotated to realize the lifting and lowering of the support frame along the inside of the slide rail bracket, and the rubber pad at the lower end of the support frame is in contact with the ground to enhance the stability of the transfer base. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the three-dimensional structure of the device body;

[0018] Figure 2 A schematic diagram of the three-dimensional structure of the rear side view of the overall structure;

[0019] Figure 3 A schematic diagram of the three-dimensional structure of the connection between the blocking rod and the fixing block;

[0020] Figure 4 Schematic diagram of the three-dimensional structure of the internal connection of the buffer shell.

[0021] In the figure: 1. Transfer base; 2. Support seat; 201. Hanging rod; 202. Rope bracket; 203. Rope body; 3. Support plate; 301. Shock-absorbing spring; 302. Damping support rod; 303. Buffer plate; 304. Buffer shell; 4. Hook; 401. Fixed block; 402. First slot; 403. Second slot; 5. Connecting shaft; 501. Stop rod; 502. Slide groove; 503. Compression spring; 504. Telescopic sleeve; 505. Push block; 506. Block; 6. Moving wheel; 7. Slide rail bracket; 701. Support frame; 702. Threaded rod; 703. Rubber pad. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example 1

[0024] like Figure 1 - Figure 4As shown, a simple indoor crane for transporting steel components includes a transport base 1, a support base 2 is provided on the upper end surface of the transport base 1, a rope bracket 202 is provided on the upper end of the support base 2, a rope body 203 for lifting steel components is wound inside the rope bracket 202, the end of the rope body 203 is fixedly connected to a support plate 3, the upper end surface of the support plate 3 is fixedly connected to a shock-absorbing spring 301, the upper end of the shock-absorbing spring 301 is fixedly connected to a buffer plate 303, the upper end of the buffer plate 303 is fixedly connected to a buffer shell 304, and the lower end of the buffer shell 304 is fixedly connected to a hook 4;

[0025] A connecting shaft 5 is provided at the end of the hook 4, and the outer wall of the connecting shaft 5 is connected to a blocking rod 501, and a sliding groove 502 is provided on the upper end surface of the blocking rod 501. The inside of the sliding groove 502 is slidably connected to a push block 505, and the front end of the push block 505 is fixedly connected to a clamping block 506. The outer wall of the hook 4 is fixedly connected to a fixed block 401, and the inside of the fixed block 401 is provided with a first clamping groove 402 corresponding to the end of the blocking rod 501, and the inner wall of the first clamping groove 402 is provided with a second clamping groove 403.

[0026] Furthermore, the second card slot 403 is connected to the card block 506 in a card-engaging manner with corresponding sizes. The inner wall of the slide groove 502 is fixedly connected with a compression spring 503. The end of the compression spring 503 is fixedly connected to the push block 505. The inner ring of the compression spring 503 is provided with a telescopic sleeve 504, and the two ends of the telescopic sleeve 504 are fixedly connected to the push block 505 and the blocking rod 501 respectively. The provided hook 4 is used to lift the wound and tied steel structure. The rope wrapped around the outside of the steel structure is placed inside the hook 4, and then the blocking rod 501 is passed through The connecting shaft 5 is rotated at the end of the hook 4, and the push block 505 is pressed to be compressed inside the slide groove 502 through the compression spring 503 and the telescopic sleeve 504, so that the block 506 slides and shrinks inside the block rod 501, and the end of the block rod 501 is engaged with the inside of the first card slot 402. The push block 505 is released, and the block 506 is engaged with the inside of the second card slot 403 to block the hook 4, preventing the separation between the telescopic and hook 4 caused by shaking, thereby enhancing safety during lifting and making operation simple and convenient.

[0027] Furthermore, the inner ring of the shock-absorbing spring 301 is provided with a damping support rod 302 on the upper end surface of the support plate 3, and the shock-absorbing spring 301 is evenly distributed on the upper end surface of the support plate 3. When the hook 4 is hoisted, the hook 4 is fixedly connected to the buffer plate 303 and the buffer shell 304, and then the buffer plate 303 performs a certain shock-absorbing and buffering effect on the support plate 3 through the shock-absorbing spring 301 and the damping support rod 302, thereby achieving buffering protection when the hook 4 is lifted, reducing the impact and vibration of the hook 4 and the crane structure during the lifting process, thereby reducing the wear and fatigue of these components, and helping to extend the service life of the hook and the crane structure.

[0028] Furthermore, the front end wall of the support seat 2 is provided with a lifting rod 201 for supporting the rope body 203. The rope body 203, the lifting rod 201 and the rope support 202 are basic components of the crane and belong to the existing technology, so no further explanation will be given.

[0029] Example 2

[0030] like Figure 1 and Figure 4 As shown, the present invention proposes a simple indoor crane for transporting steel components. Compared with the first embodiment, as another embodiment of the present invention, the two sides of the transfer base 1 are fixedly connected with slide rail brackets 7, the interior of the slide rail bracket 7 is slidably connected with a support frame 701, the lower end of the support frame 701 is fixedly connected with a rubber pad 703, the upper end surface of the transfer base 1 is rotatably connected with a threaded rod 702, the threaded rod 702 is threadedly connected to the support frame 701, and the four ends of the lower end surface of the transfer base 1 are provided with moving wheels 6, which are convenient for moving indoors. Then, the threaded rod 702 is rotated to realize the lifting of the support frame 701 along the interior of the slide rail bracket 7, and the rubber pad 703 at the lower end of the support frame 701 is in contact with the ground. The stability of the transfer base 1 is enhanced.

[0031] Working principle: The hook 4 is used to lift the wound and tied steel structure. The rope wrapped around the outside of the steel structure is placed inside the hook 4. Then the blocking rod 501 is rotated at the end of the hook 4 through the connecting shaft 5, and the push block 505 is pressed to compress the inside of the slide groove 502 through the compression spring 503 and the telescopic sleeve 504, so that the block 506 slides and shrinks inside the blocking rod 501, and the end of the blocking rod 501 is engaged in the inside of the first card slot 402. The push block 505 is released, and the card block 506 is engaged with the inside of the second card slot 403 to block the hook 4, thereby preventing the separation between the telescopic and hook 4 caused by shaking, thereby enhancing the safety during lifting, and the operation is simple and convenient. When the hook 4 is being lifted, the hook 4 is fixedly connected to the buffer plate 303 and the buffer shell 304, and then the buffer plate 303 performs a certain shock-absorbing and buffering effect on the support plate 3 through the shock-absorbing spring 301 and the damping support rod 302, thereby achieving buffering protection when the hook 4 is lifting, reducing the impact and vibration of the hook 4 and the crane structure during the lifting process, thereby reducing the wear and fatigue of these components, and helping to extend the service life of the hook and crane structure, and then conveniently moving indoors through the moving wheel 6, and then rotating the threaded rod 702 to realize the support frame 701 to be raised and lowered along the inside of the slide rail bracket 7, and the rubber pad 703 at the lower end of the support frame 701 is in contact with the ground, enhancing the stability of the transfer base 1.

[0032] This is the working principle of this simple indoor crane used for transporting steel components.

[0033] The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for specific applications.

Claims

1. A simple indoor crane for transporting steel components, comprising a transport base (1), characterized in that: The upper end surface of the transfer base (1) is provided with a support base (2), the upper end of the support base (2) is provided with a rope bracket (202), the interior of the rope bracket (202) is wound with a rope body (203) for lifting steel components, the end of the rope body (203) is fixedly connected to a support plate (3), the upper end surface of the support plate (3) is fixedly connected to a shock-absorbing spring (301), the upper end of the shock-absorbing spring (301) is fixedly connected to a buffer plate (303), the upper end of the buffer plate (303) is fixedly connected to a buffer shell (304), and the lower end of the buffer shell (304) is fixedly connected to a hook (4); The end of the hook (4) is provided with a connecting shaft (5), the outer wall of the connecting shaft (5) is connected to a blocking rod (501), the upper end surface of the blocking rod (501) is provided with a sliding groove (502), the interior of the sliding groove (502) is slidably connected to a push block (505), the front end of the push block (505) is fixedly connected to a clamping block (506), the outer wall of the hook (4) is fixedly connected to a fixed block (401), the interior of the fixed block (401) is provided with a first clamping groove (402) corresponding to the end of the blocking rod (501), and the inner wall of the first clamping groove (402) is provided with a second clamping groove (403).

2. A simple indoor crane for transporting steel components according to claim 1, characterized in that: The second card slot (403) and the card block (506) have corresponding sizes and are in a card-engaging connection.

3. A simple indoor crane for transporting steel components according to claim 1, characterized in that: The inner wall of the slide groove (502) is fixedly connected with a compression spring (503), the end of the compression spring (503) is fixedly connected with the push block (505), the inner ring of the compression spring (503) is provided with a telescopic sleeve rod (504), and the two ends of the telescopic sleeve rod (504) are respectively fixedly connected with the push block (505) and the blocking rod (501).

4. A simple indoor crane for transporting steel components according to claim 1, characterized in that: The inner ring of the shock-absorbing spring (301) is located on the upper end surface of the support plate (3) and is provided with a damping support rod (302). The shock-absorbing spring (301) is evenly distributed on the upper end surface of the support plate (3).

5. The simple indoor crane for transporting steel components according to claim 1, characterized in that: The front end wall of the support seat (2) is provided with a lifting rod (201) for lifting.

6. A simple indoor crane for transporting steel components according to claim 1, characterized in that: The four ends of the lower end surface of the transfer base (1) are provided with moving wheels (6).

7. The simple indoor crane for transporting steel components according to claim 1, characterized in that: Slide rail brackets (7) are fixedly connected to both sides of the transfer base (1), a support frame (701) is slidably connected to the interior of the slide rail bracket (7), a rubber pad (703) is fixedly connected to the lower end of the support frame (701), and a threaded rod (702) is rotatably connected to the upper end surface of the transfer base (1), and the threaded rod (702) is threadedly connected to the support frame (701).