Stretching rod suitable for high-place operation

By designing a stretching rod for high-altitude operations, using the combination of wire draw rope and pulley, automatic lifting is achieved, solving the problem of falling risk of heavy objects under 50kg in high-altitude operations, and providing safer , convenient hoisting solution.

CN222512739UActive Publication Date: 2025-02-21ZOUPING HUIMAO NEW MATEIRAL TECH CO LTD +1
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Patent Information

Application Number
CN202421243046.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-03
Publication Date
2025-02-21
Estimated Expiration
2034-06-03

AI Technical Summary

Technical Problem

When operating at high altitudes, there is a risk of falling when manually transporting heavy objects below 50kg, and existing lifting tools are insufficient, especially for lighter items that require frequent lifting.

Method used

A stretch rod suitable for high-altitude operations is designed, including handles, coiled wire assembly, telescopic component and support assembly. Through the combination of wire draw rope and pulley, the coiling and release of wire rope is controlled by a motor to achieve automatic lifting.

Benefits of technology

The device can safely transport heavier objects to high places, avoiding the risk of falling from manual transportation, and is more convenient, easy to install than electric hoists, and is easy to carry and use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a stretching rod suitable for high-place operation, which relates to the technical field of heavy object lifting and comprises a handle, a coiling component arranged at the upper end of the handle, a telescopic component arranged at the upper end of the coiling component, a supporting component arranged at the end part of the telescopic component and used for fixing the whole equipment on a bearing beam. A pulley is further installed at the end of the telescopic assembly, the steel wire pull rope is wound in the winding assembly and controlled, the steel wire pull rope of a hollow structure in the telescopic assembly penetrates through the telescopic assembly and is lifted through the pulley, through the technical scheme, the steel wire rope can convey a heavy object to a high position, compared with manual conveying, the conveying is safer, the risk of falling is avoided, and the conveying efficiency is improved. Compared with an electric hoist, the device is more convenient, easy to install and convenient to carry and use.
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Description

Technical Field

[0001] The utility model relates to the technical field of heavy object lifting, in particular to a stretching rod suitable for high-altitude operations. Background Art

[0002] Construction site heavy lifting devices are vital equipment in construction, used to vertically lift and transport heavy objects such as building materials, machinery and equipment, and construction personnel. These devices can greatly improve work efficiency, reduce manual labor intensity, and ensure the safety and efficiency of the construction process under proper operation and maintenance. Common construction site heavy lifting devices include elevators, construction elevators, and cranes. Elevators are usually used to vertically transport personnel and lighter goods, while construction elevators are suitable for transporting large numbers of people and heavy materials. Cranes have greater lifting capacity and more flexible operation methods, and are suitable for various complex construction environments.

[0003] A proposed heavy object lifting device is disclosed in a Chinese patent with publication number: CN110407141A. The device is composed of a support column and a swing mechanism that can swing along the support column. The swing mechanism includes a lifting block, an upper lifting plate, a lower lifting plate and a swing block. The lifting block can be sleeved on the support column, one end of the swing block is connected to the lifting block by a hinged manner, and the other end serves as an external force driving end. The upper lifting plate is also sleeved on the support column and located on the outer side of the upper part of the lifting block. One end of the upper lifting plate abuts against the lifting block, and a spring is installed between the other end and the lifting block. The lower lifting plate is also sleeved on the support column and located inside the swing block. The upper part of the lifting block and the lower lifting plate are connected by a tension spring. In addition, a gear component is also provided on the swing block, which is used to act on the end of the lower lifting plate to realize the gear function. The utility model adopts a purely mechanical design, has a simple structure, and a low manufacturing cost. It can lift heavy objects only by manual operation. At the same time, the device has a wide range of applicability, is easy to adjust, and is very practical.

[0004] When working at height, it is often necessary to lift heavy objects to a specified height. People are prone to fall during the process of climbing. For heavy objects over 50kg, lifting tools such as electric hoists are often used, but for heavy objects under 50kg, there are few lifting tools. The utility model is a lifting tool suitable for heavy objects under 50kg. Utility Model Content

[0005] In view of the above technical problems, the utility model discloses a stretching rod suitable for high-altitude operations, including a handle, a winding assembly mounted on the handle, a telescopic assembly mounted on the winding assembly, a triangular plate mounted on the end of the telescopic assembly, a pulley mounted on the triangular plate, a steel wire rope wound in the winding assembly, the steel wire rope passes through the telescopic assembly and is wound around the pulley, and the end of the telescopic assembly is placed on an external load-bearing beam. Through the above technical solution, the steel wire rope can transport heavier objects to a high place, which is safer than manual transportation and avoids the risk of falling. Compared with an electric hoist, this device is more convenient, easy to install, and easy to carry and use.

[0006] Furthermore, the winding assembly includes a sleeve, a mounting shell is fixedly mounted on the sleeve, a motor is fixedly mounted on one side of the mounting shell, a motor shaft is connected to a winding shaft, and a steel wire rope is wound on the winding shaft.

[0007] Furthermore, the mounting shell is a hollow structure, and a wire hole is provided on the mounting shell to connect the inside and outside of the mounting shell, and the wire rope passes through the wire hole to enter the inside of the mounting shell, and the upper side of the wire hole is chamfered. Through the above technical solution, the motor controls the rotation of the reel to control the winding or releasing of the wire rope, which is all completed automatically, and the chamfered setting can reduce wear on the wire rope during movement.

[0008] Furthermore, a support assembly is mounted on the telescopic assembly, and the support assembly is used to connect the telescopic assembly and an external load-bearing beam.

[0009] Furthermore, the support assembly includes a fixed block, which is fixedly mounted on the end of the telescopic assembly, a mounting plate is mounted on the lower side of the fixed block, two rotating shafts are hinged on the lower side of the mounting plate, an extrusion plate is fixedly mounted on the rotating shaft, the extrusion plate is a bending plate with an angle less than 90 degrees, and a torsion spring is fixedly mounted between the rotating shaft and the mounting plate. Through the above technical solution, when placed on the load-bearing beam, the extrusion plate can be automatically fixed by bending by squeezing, so as to ensure that the entire device is stably placed on the beam.

[0010] Furthermore, a hinge groove is provided at the lower side of the fixing block, a support seat is fixedly installed at the top of the mounting plate, a ball head is fixedly installed on the support seat, and the ball head is connected to the hinge groove by a ball joint. Through the above technical solution, the angle can be adjusted through the ball joint during the lifting process, and the lever principle is used to ensure that the angle change can be easily achieved.

[0011] Furthermore, the telescopic assembly includes a plurality of telescopic rods, all of which are hollow structures, and the steel wire rope passes through the inside of the telescopic rod and contacts the pulley, and the ends of the telescopic rods are rounded.

[0012] Furthermore, the handle includes a grip, and the grip is evenly provided with patterns.

[0013] The beneficial effects of the utility model compared with the prior art are:

[0014] (1) Through the technical solution of the utility model, the steel wire rope can transport heavier objects to a high place, which is safer than manual transportation and avoids the risk of falling. Compared with the electric hoist, the device is more convenient, easy to install, and easy to carry and use.

[0015] (2) Through the technical solution of the utility model, the motor controls the rotation of the reel to control the winding or releasing of the wire rope, which is all completed automatically, and the chamfered shape can reduce the wear of the wire rope during its movement.

[0016] (3) Through the technical solution of the utility model, when placed on the load-bearing beam, the extrusion plate can be automatically fixed by bending by squeezing, ensuring that the entire device is stably placed on the beam.

[0017] (4) Through the technical solution of the utility model, the angle can be adjusted through the ball joint during the lifting process, and the lever principle is used to ensure that the angle change can be easily achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0019] Figure 2 It is a schematic diagram of the overall development of the utility model.

[0020] Figure 3 It is a schematic diagram of the handle and the winding assembly of the utility model.

[0021] Figure 4 It is a schematic diagram of the support assembly of the utility model.

[0022] Figure numbers: 1-handle; 2-winding assembly; 3-telescopic assembly; 4-support assembly; 5-triangular plate; 6-pulley; 101-baffle one; 102-handle; 103-grain; 104-baffle two; 201-sleeve; 202-battery slot; 203-battery; 204-button; 205-mounting shell; 206-motor; 207-gear box; 208-reel; 209-wire hole; 301-telescopic rod one; 302-telescopic rod two; 303-telescopic rod three; 401-fixing block; 402-ball head; 403-support seat; 404-mounting plate; 405-extrusion plate; 406-torsion spring; 407-rotating shaft. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in 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 belong to the protection scope of the utility model.

[0024] like Figure 1-Figure 4 The stretch rod shown is suitable for working at heights, including a handle 1, a winding assembly 2 is installed on the upper end of the handle 1, a telescopic assembly 3 is installed on the upper end of the winding assembly 2, a support assembly 4 is installed at the end of the telescopic assembly 3, and the support assembly 4 is used to fix the entire equipment on the load-bearing beam. A pulley 6 is also installed at the end of the telescopic assembly 3. The steel wire rope is wound around the winding assembly 2 and controlled. The telescopic assembly 3 contains a hollow structure steel wire rope that passes through the telescopic assembly 3 and is lifted through the pulley 6.

[0025] In this embodiment, the handle 1 includes a grip 102, a baffle 2 104 is fixedly mounted on the first end of the grip 102, and a baffle 1 101 is fixedly mounted on the second end of the grip 102. When the grip 102 is held, baffle 1 101 and baffle 2 104 serve as limiters, which makes it easier to hold. A plurality of textures 103 are evenly arranged on the grip 102, and the textures 103 increase friction, making the grip 102 more stable.

[0026] In this embodiment, the winding assembly 2 includes a sleeve 201, which is fixedly mounted on the baffle 2 104. A battery slot is provided inside the sleeve 201, and a battery 203 is installed in the battery slot. This embodiment uses two batteries 203. A mounting shell 205 is fixedly mounted on the end of the sleeve 201. The mounting shell 205 is a hollow structure. A motor 206 is fixedly mounted on the side of the mounting shell 205. A gear box 207 is connected to the output shaft of the motor 206. A reel 208 is connected to the output end of the gear box 207. The reel 208 is rotatably mounted on the lower side of the mounting shell 205. A steel wire rope is wound around the reel 208. The interior of the mounting shell 205 and the reel 208 are connected through a wire hole 209. The steel wire wound on the reel 208 is stretched through the wire hole 209 to enter the interior of the mounting shell 205. The opening of the wire hole 209 is provided with a chamfer to prevent the steel wire from stretching and wearing.

[0027] In this embodiment, the telescopic assembly 3 includes a telescopic rod 1 301, a telescopic rod 2 302 is slidably installed in the telescopic rod 1 301, a telescopic rod 3 303 is slidably installed in the telescopic rod 2 302, the telescopic rod 3 303 is a hollow structure, the steel wire rope passes through the telescopic rod 1 301, the telescopic rod 2 302 and the telescopic rod 3 303, a triangular plate 5 is fixedly installed on the end of the telescopic rod 303, a pulley 6 is rotatably installed on the lower side of the triangular plate 5, the steel wire rope passes through the pulley 6 downward, a hook can be installed on the steel wire rope for lifting heavy objects, and the end opening of the triangular plate 5 is provided with a chamfer to prevent the steel wire rope from being worn.

[0028] In this embodiment, the support assembly 4 includes a fixed block 401, which is fixedly installed at the end of the telescopic rod 303. A hinge groove is provided on the lower side of the fixed block 401, and a ball head 402 is provided in the hinge groove. A support seat 403 is fixedly installed on the lower side of the ball head 402. The support seat 403 is a cone, and a mounting plate 404 is fixedly installed on the lower side of the support seat 403. Rotating shafts 407 are rotatably installed at both ends of the lower side of the mounting plate 404. An extrusion plate 405 is fixedly installed on the rotating shaft 407, and a torsion spring 406 is fixedly installed between the rotating shaft 407 and the mounting plate 404. The extrusion plate 405 is a bent plate less than ninety degrees, which is bent into two parts, one of which is long and the other is short. The shorter part is located at the upper end, and the longer part is used to clamp the load-bearing beam.

[0029] Working principle: hold the handle 1, unfold the telescopic rod 2 302 and the telescopic rod 303, and place the support assembly 4 on the load-bearing beam. The load-bearing beam is located between the two extrusion plates 405. A button 204 is provided on the mounting shell 205. Press the button 204 to control the winding and releasing of the wire, release the wire rope, and then fix the weight at the end of the wire rope, and then retract the wire rope. At this time, the entire support assembly 4 will squeeze the load-bearing beam, and the shorter part of the extrusion plate 405 will be squeezed, so that the extrusion plate 405 clamps the load-bearing beam more tightly. The direction can be controlled during the lifting process, and the position can be changed by the ball joint of the ball head 402.

Claims

1. A stretching rod suitable for high-altitude operations, characterized in that: The utility model comprises a handle (1), wherein a winding assembly (2) is mounted on the handle (1), a telescopic assembly (3) is mounted on the winding assembly (2), a triangular plate (5) is mounted at the end of the telescopic assembly (3), a pulley (6) is mounted on the triangular plate (5), a steel wire rope is wound in the winding assembly (2), the steel wire rope passes through the telescopic assembly (3) and is wound around the pulley (6), and the end of the telescopic assembly (3) is placed on an external load-bearing beam.

2. A stretching rod suitable for high-altitude operations according to claim 1, characterized in that: The winding assembly (2) comprises a sleeve (201), a mounting shell (205) is fixedly mounted on the sleeve (201), a motor (206) is fixedly mounted on one side of the mounting shell (205), a rotating shaft of the motor (206) is connected to a winding shaft (208), and a steel wire rope is wound on the winding shaft (208).

3. A stretching rod suitable for high-altitude operations according to claim 2, characterized in that: The installation shell (205) is a hollow structure. A wire hole (209) is provided on the installation shell (205) to connect the inside and outside of the installation shell (205). The steel wire rope passes through the wire hole (209) and enters the inside of the installation shell (205). The upper side of the wire hole (209) is rounded.

4. A stretching rod suitable for high-altitude operations according to claim 3, characterized in that: The telescopic component (3) is provided with a support component (4), and the support component (4) is used to connect the telescopic component (3) and an external load-bearing beam.

5. A stretching rod suitable for high-altitude operations according to claim 4, characterized in that: The support assembly (4) comprises a fixed block (401), the fixed block (401) is fixedly mounted on the end of the telescopic assembly (3), a mounting plate (404) is mounted on the lower side of the fixed block (401), two rotating shafts (407) are hinged on the lower side of the mounting plate (404), an extrusion plate (405) is fixedly mounted on the rotating shaft (407), the extrusion plate (405) is a bent plate with an angle less than ninety degrees, and a torsion spring (406) is fixedly mounted between the rotating shaft (407) and the mounting plate (404).

6. A stretching rod suitable for high-altitude operations according to claim 5, characterized in that: The fixing block (401) is provided with an articulation groove at the lower side, the mounting plate (404) is fixedly provided with a support seat (403) at the top end, the support seat (403) is fixedly provided with a ball head (402), and the ball head (402) is connected to the articulation groove by a ball joint.

7. A stretching rod suitable for high-altitude operations according to claim 6, characterized in that: The telescopic assembly (3) comprises a plurality of telescopic rods, each of which is a hollow structure. A steel wire rope passes through the inside of the telescopic rod and contacts the pulley (6). The ends of the telescopic rods are rounded.

8. A stretching rod suitable for high-altitude operations according to claim 7, characterized in that: The handle (1) comprises a grip (102), and the grip (102) is evenly provided with patterns (103).

Citation Information

Patent Citations

  • Simple heavy object lifting device

    CN110407141A