A portable labor-saving chain hoist
By designing components such as rotating blocks, placement blocks, extrusion plates and springs in the hand-pulled hoist, the rapid disassembly and installation of the hand-pulled hoist is achieved, solving the problem of inconvenient disassembly and installation in the prior art, and improving work efficiency and the service life of the equipment.
Patent Information
- Application Number
- CN202421333870.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-12
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-06-12
AI Technical Summary
When existing hand-pulled hoists need to be disassembled and installed, due to the inconvenient design of mobile components, the work efficiency of staff is affected.
A portable labor-saving hand hoist is designed, using components such as rotating blocks, placement blocks, extrusion plates and springs, and quickly disassemble and install by rotating the upper and lower rolling wheels.
It realizes rapid disassembly and installation of hand-pulled hoists, improves the work efficiency of staff, and extends the service life of the equipment.
Smart Images

Figure CN222729381U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hand chain hoists, in particular to a portable labor-saving hand chain hoist. Background Art
[0002] Hand chain hoist is also called fairy hoist, chain hoist, chain hoist, chain hoist, manual hoist. It is a manual lifting machinery that is easy to use and carry. It is also called "chain hoist" or "chain hoist". It is safe and reliable, easy to maintain, high mechanical efficiency, small hand chain tension, light weight and easy to carry, beautiful appearance and small size, durable. It is suitable for factories, mines, construction sites, docks, docks, warehouses, etc. for installing machines and lifting goods. Especially for open-air and powerless operations, it shows its superiority.
[0003] For example, a hand-pulled intelligent hoist disclosed in the utility model with authorization announcement number CN219971691U has a mobile component connected to the hoist body and used to drive the hoist body to move. The mobile component is composed of a connecting unit and a plurality of mobile units. The arrangement of the above structure facilitates the movement and lifting of the hand-pulled hoist, thereby meeting the use requirements. When using the hand-pulled hoist, the position of the hoisted object can be changed by the rolling wheel, but at the same time, the hand-pulled hoist needs to be maintained regularly, which can extend the service life of the hand-pulled hoist. The hand-pulled hoist needs to be disassembled for maintenance, but it is inconvenient to disassemble and install the hand-pulled hoist through the mobile component, which affects the work efficiency of the staff. Utility Model Content
[0004] In order to overcome the deficiencies of the prior art, the utility model provides a portable labor-saving hand chain hoist, which can solve the problem that when using the hand chain hoist, the position of the hoisted object can be changed by a rolling wheel, but at the same time the hand chain hoist needs to be maintained regularly, which can extend the service life of the hand chain hoist. The hand chain hoist needs to be disassembled for maintenance, but it is inconvenient to disassemble and install the hand chain hoist through the mobile assembly, thereby affecting the technical problem of working efficiency of the staff.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a portable labor-saving hand winch, comprising a first support plate and a second support plate, the top of the second support plate is provided with a plurality of rotating grooves, the interiors of the plurality of rotating grooves are connected with rotating blocks through rotating shafts, the top of the first support plate is provided with a plurality of placement grooves, the interiors of the plurality of placement grooves are provided with placement blocks, a rotating shaft is fixedly connected between the plurality of rotating blocks and the placement blocks, and an upper rolling wheel is movably connected to the outer side of the rotating shaft.
[0006] As a preferred technical solution of the utility model, the interior of the first support plate is movably connected with an extrusion plate via a rotating shaft, one side of the first support plate is fixedly connected with a support frame, one side of the support frame is penetrated by several movable columns movably connected thereto, one side of several of the movable columns is fixedly connected with a movable plate, one side of the movable plate is fixedly connected with several insertion blocks inserted into the first support plate, and the outer sides of several of the movable columns are sleeved with springs located between the support frame and the movable plate.
[0007] As a preferred technical solution of the utility model, a plurality of lower rolling wheels are movably connected between the first support plate and the second support plate via a rotating shaft.
[0008] As a preferred technical solution of the utility model, a pull plate is fixedly connected to one side of several of the movable columns.
[0009] As a preferred technical solution of the utility model, a gourd body is provided at the bottom of the first support plate and the second support plate.
[0010] As a preferred technical solution of the utility model, the center lines of the rotating groove and the placement groove are aligned with each other.
[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:
[0012] 1. By designing a rotating block, when the rotating block rotates around the rotating shaft, the upper rolling wheel movably connected thereto is driven to rotate, so that the placement block on the other side of the upper rolling wheel is moved out from the inside of the placement groove, so that the placement block and the upper rolling wheel are away from the first support plate, so that the device can be removed, and then the placement block is placed in the placement groove by rotating the upper rolling wheel, and the position of the placement block is limited by the extrusion plate and the insertion block, so that the installation of the device is realized, and the device can be quickly disassembled and installed;
[0013] 2. By designing a spring, the insertion block is moved to one side by pulling the pull plate, and the spring is squeezed at the same time. The extrusion plate is then flipped over to place the extrusion plate on top of the placement block. At this time, the pull plate is released, and the moving plate is driven to move by the spring itself. The movement of the moving plate drives the insertion block to be inserted into the interior of the first support plate, thereby limiting the extrusion plate, thereby achieving the limitation of the placement block and the extrusion plate. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the portable labor-saving hand chain hoist of the utility model;
[0015] Figure 2 This is a schematic diagram of the top view of the structure of the portable labor-saving hand chain hoist of the utility model;
[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the mobile assembly of the portable labor-saving hand chain hoist of the utility model;
[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the fixing assembly of the portable labor-saving hand chain hoist of the utility model;
[0018] Figure 5 It is a three-dimensional structural diagram of the limiting assembly of the portable labor-saving hand chain hoist of the utility model;
[0019] Among them: 1. gourd body; 2. first support plate; 3. second support plate; 5. lower rolling wheel; 6. rotating groove; 7. rotating block; 8. placement groove; 9. placement block; 10. upper rolling wheel; 11. extrusion plate; 12. support frame; 13. moving column; 14. moving plate; 15. insertion block; 16. spring; 17. pull plate. DETAILED DESCRIPTION
[0020] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.
[0021] Example
[0022] Please refer to Figure 1-Figure 5As shown, the utility model provides a portable labor-saving hand chain hoist, a first support plate 2 and a second support plate 3 are movably connected with a plurality of lower rolling wheels 5 through a rotating shaft, and the movement of the device can be facilitated by the lower rolling wheels 5 and the upper rolling wheels 10, a plurality of rotating grooves 6 are provided on the top of the second support plate 3, and a rotating block 7 is connected to the interior of the plurality of rotating grooves 6 through a rotating shaft, and the upper rolling wheel 10 can be driven to rotate with the rotating shaft as the center through the rotating shaft and the rotating block 7, a plurality of placement grooves 8 are provided on the top of the first support plate 2, and a placement block 9 is placed inside the plurality of placement grooves 8, and a rotating shaft is fixedly connected between the plurality of rotation blocks 7 and the placement block 9, and an upper rolling wheel 10 is movably connected to the outer side of the rotating shaft, and the upper rolling wheel 10 is rotated between the rotation block 7 and the placement block 9 through the rotating shaft, and a hoist body 1 is provided at the bottom of the first support plate 2 and the second support plate 3, and the grooves provided in the rotating groove 6 and the placement groove 8 The center lines of the first support plate 2 are aligned with each other, so that the placement block 9 can move to the inside of the placement groove 8 when the rotating block 7 rotates; the inside of the first support plate 2 is movably connected with an extrusion plate 11 through a rotating shaft, and the placement block 9 can be squeezed by the extrusion plate 11, and one side of the first support plate 2 is fixedly connected with a support frame 12, and one side of the support frame 12 is penetrated by several moving columns 13 movably connected thereto, and one side of several moving columns 13 is fixedly connected with a moving plate 14, and one side of the moving plate 14 is fixedly connected with several insertion blocks 15 inserted into the first support plate 2, and the extrusion plate 11 is limited by inserting the insertion blocks 15 into the inside of the first support plate 2, and the outer sides of the several moving columns 13 are provided with springs 16 located between the support frame 12 and the moving plate 14, and the movement of the insertion block 15 can be facilitated by the spring 16, and one side of the several moving columns 13 is fixedly connected with a pull plate 17, and the moving column 13 can be driven to move by the pull plate 17;
[0023] When the hoist body 1 needs to be maintained, the pull plate 17 is pulled to move the movable column 13 fixedly connected thereto, and the movement of the movable column 13 drives the movable plate 14 fixedly connected thereto to move, and the movement of the movable plate 14 drives the insertion block 15 fixedly connected thereto to move out from the top of the extrusion plate 11. At the same time, the movement of the movable plate 14 squeezes the spring 16, and without the limit of the insertion block 15, the extrusion plate 11 rotates away from the placement block 9 through the rotating shaft, and then the upper rolling wheel 10 is pulled to rotate 180 degrees with the rotating shaft as the center, from When the device is removed and needs to be installed, the lower rolling wheel 5 is first brought into contact with the cable, and then the upper rolling wheel 10 is turned over to place the placement block 9 inside the placement groove 8. At this time, the insertion block 15 is moved to one side by pulling the pull plate 17, and the spring 16 is squeezed. Then, the squeezing plate 11 is turned over to place the squeezing plate 11 on the top of the placement block 9. At this time, the pull plate 17 is released, and the spring 16 itself drives the moving plate 14 to move. The movement of the moving plate 14 drives the insertion block 15 to be inserted into the first support plate 2, thereby limiting the squeezing plate 11.
[0024] Specific working principle:
[0025] When the device needs to be removed, the moving column 13 is moved by pulling the pull plate 17, and the movement of the moving column 13 drives the moving plate 14 to move, and the movement of the moving plate 14 drives the insertion block 15 to be pulled out from the inside of the first support plate 2. At the same time, the spring 16 is squeezed, and there is no limit on the insertion block 15. The squeezing plate 11 is rotated away from the placement block 9 through the rotating shaft, and the upper rolling wheel 10 is lifted up to make the upper rolling wheel 10 away from the first support plate 2, so that the device is removed. When the device needs to be installed, the reverse steps are performed to achieve rapid disassembly and installation of the device.
[0026] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.
Claims
1. A portable labor-saving hand chain hoist, comprising a first support plate (2) and a second support plate (3), characterized in that: The top of the second support plate (3) is provided with a plurality of rotating grooves (6), and the interiors of the plurality of rotating grooves (6) are connected to rotating blocks (7) via rotating shafts; the top of the first support plate (2) is provided with a plurality of placement grooves (8), and the interiors of the plurality of placement grooves (8) are provided with placement blocks (9); a rotating shaft is fixedly connected between the plurality of rotating blocks (7) and the placement blocks (9), and an upper rolling wheel (10) is movably connected to the outer side of the rotating shaft.
2. A portable labor-saving hand chain hoist according to claim 1, characterized in that: The first support plate (2) is internally connected with an extrusion plate (11) via a rotating shaft, one side of the first support plate (2) is fixedly connected with a support frame (12), one side of the support frame (12) is penetrated by a plurality of movable columns (13) movably connected thereto, one side of the plurality of movable columns (13) is fixedly connected with a movable plate (14), one side of the movable plate (14) is fixedly connected with a plurality of insertion blocks (15) inserted into the first support plate (2), and the outer sides of the plurality of movable columns (13) are sleeved with springs (16) located between the support frame (12) and the movable plate (14).
3. A portable labor-saving hand chain hoist according to claim 1, characterized in that: A plurality of lower rolling wheels (5) are movably connected between the first support plate (2) and the second support plate (3) via a rotating shaft.
4. A portable labor-saving hand chain hoist according to claim 2, characterized in that: A pull plate (17) is fixedly connected to one side of the plurality of movable columns (13).
5. The portable labor-saving chain hoist according to claim 1, characterized in that: A gourd body (1) is provided at the bottom of the first support plate (2) and the second support plate (3).
6. The portable labor-saving chain hoist according to claim 1, characterized in that: The center lines of the rotation groove (6) and the placement groove (8) are aligned with each other.
Citation Information
Patent Citations
Intelligent hand-pulling hoist
CN219971691U