A self-balancing hoisting tool

Abstract

The utility model discloses a kind of self-balancing hoisting tools, including lifting tool main body, pulley support, pulley, steel rope, lifting hook, locking bolt;The lifting tool main body includes pull tab, fixing device and fixed block, pull tab is equipped with two, and is connected by fixed block;Pull tab orthoview is triangle, and two ends of lower side are respectively with the rotation connection of one end of two pulley supports;Fixing device is equipped with two, is located pull tab front and back two sides, and with the connection of one end of pulley support;The other end of pulley support is connected with pulley;The middle part of steel rope is around on pulley;Lifting hook is installed at the two ends of steel rope;Locking bolt is located in the middle of pulley support;The utility model passes through the steel rope on the pulley of pulley support bottom end and evenly disperses the gravity of hoisting object, is connected together by lifting hook with steel rope and hoisting object conveniently, pulley support and fixing device are suitable for different shapes and sizes hoisting object, and high flexibility.

Description

Technical Field

[0001] This utility model relates to the field of ceiling construction technology, specifically to a self-balancing lifting tool. Background Technology

[0002] In the construction of large-area factory sheds such as photovoltaic support systems for stadiums or steel structure factory buildings, lifting equipment is an essential component. When using existing lifting tools, there are two main construction methods: one is to use a truck crane to lift the shed components to the top of the columns after the columns are installed, and then have construction workers perform high-altitude installation or welding on-site. The other method is to install the shed entirely or in sections on the ground after the columns are installed, and then use two or more truck cranes to lift the shed to the top of the columns for installation. However, both construction methods using existing lifting tools have many problems: the former involves high-altitude operations, poses a high safety risk to workers, is prone to falls, and has low efficiency, leading to extended construction periods and requiring significant investment of manpower and equipment resources, resulting in higher construction costs; the latter requires multiple cranes to work together to distribute the overall weight of the factory shed support, but the synchronization and coordination requirements are high when multiple cranes work together, which can easily lead to inconsistent movements between equipment, resulting in uneven stress and causing the factory shed to tilt or even overturn during the lifting process, resulting in high overall installation difficulty and cost. Utility Model Content

[0003] The purpose of this utility model is to provide a self-balancing lifting tool with good balance, high safety, wide applicability, convenient operation, and effective reduction of investment costs. This solves the technical problems of existing lifting tools, which are prone to uneven force distribution during lifting, leading to device tipping, low construction efficiency, extended construction period, and high investment costs.

[0004] To solve the above technical problems, the solution adopted by this utility model is as follows:

[0005] A self-balancing lifting tool includes a lifting body, a pulley bracket, a pulley, a steel rope, a hook, and a locking bolt. The lifting body includes a lifting plate, a fixing device, and a fixing block. Two lifting plates are provided and fixedly connected together by the fixing block. The fixing device consists of a pair of fixing plates. Four pulley brackets are provided. The lifting plate is triangular in orthogonal view, with its lower ends rotatably connected to one end of each of the two pulley brackets. Two fixing devices are provided, welded to the front and rear sides of the lifting plate respectively, and rotatably connected to one end of each pulley bracket. The other end of each pulley bracket is rotatably connected to the pulley. The middle portion of the steel rope is wound around the pulley. The hook is installed at both ends of the steel rope. The locking bolt is located in the middle of the pulley bracket.

[0006] Furthermore, the pulley bracket is provided with connecting roller A and connecting roller B; the pulley bracket includes a mouth-shaped rotating sleeve and a pulley sleeve; the mouth-shaped rotating sleeve and the pulley sleeve are integrally connected; the pulley is mounted on the connecting roller B, and the connecting roller B is mounted inside the pulley sleeve; the connecting roller A is located in the middle of the fixing device and at the lower ends of the two lifting pieces; the mouth-shaped rotating sleeve is sleeved on the middle of the connecting roller A, and is connected to the lifting pieces and the fixing device through the connecting roller A; the locking bolt is threaded to the bottom end of the mouth-shaped rotating sleeve. The top of the locking bolt is located inside the bottom of the orifice-shaped rotating sleeve, and the bottom end passes through the orifice-shaped rotating sleeve and presses down on the pulley. During the hoisting process, the locking bolt presses down on the pulley and the steel rope on the pulley to prevent the pulley from rotating accidentally or the steel rope from coming off the pulley. The pulley bracket is installed in the middle of two fixed plates and two lifting plates through the connecting roller A. The connecting roller A allows the pulley bracket to rotate 180 degrees up and down relative to the fixed block in the middle of the lifting plate, so that the stress points of the steel rope and the pulley bracket are kept on the same horizontal line, which is suitable for lifting objects of different shapes and sizes. At the same time, it can avoid the problem of inconsistent orientation between the steel rope and the pulley when under stress. The pulley can rotate stably inside the pulley sleeve through the connecting roller B.

[0007] Furthermore, the upper end of the lifting plate is provided with a pull hole; the pull hole is equipped with a matching hook. The lifting equipment can be quickly connected and disconnected from the lifting plate via the hook and pull hole, reducing manual operation time and improving lifting efficiency.

[0008] Furthermore, a connecting post is provided between the pull holes of the two lifting tabs; the hook is connected to the lifting tab through the connecting post. The lifting tabs are connected by hooking the hook onto the connecting post.

[0009] The lifting device consists of a lifting plate, a fixing device, and a fixing block. The crane hook is attached to the connecting column, allowing the crane to pull the lifting device. Steel ropes are then passed through the pulley bracket, connecting the steel ropes to the pulleys. Hooks are installed at both ends of the four steel ropes. Eight stress points are selected on the object to be lifted. The object is connected to the steel ropes via the hooks. These eight stress points effectively distribute the weight of the object. Tightening the locking bolts secures the steel ropes and pulleys, preventing the steel ropes from detaching from the pulleys and fixing them in place. This prevents the pulleys from rotating and causing the steel ropes to move, which could lead to tilting of the object. This keeps the object balanced. The steel ropes and hooks allow for quick connection of the object to the lifting plate. A single lifting device can safely perform lifting operations, effectively reducing labor input and operator time, thus significantly lowering lifting costs.

[0010] Furthermore, there is a device for hoisting the entire factory shed support structure, which includes a crane and the aforementioned hoisting tools.

[0011] During the trial lifting of heavy objects using the steel rope on the pulley at the bottom of the pulley bracket, the free rotation of the pulley bracket and pulley allows the steel rope to automatically find the lifting center of gravity. After finding the lifting center of gravity, the locking bolts are tightened to lock the steel rope, preventing the lifting center of gravity from shifting due to the slippage of the steel rope during the actual lifting process, thus ensuring the smooth progress of the entire lifting process. This tool is especially suitable for lifting large-area structural components. It has a simple structure, is flexible and efficient, and can lift large components with only one crane.

[0012] The lifting scheme using the self-balancing lifting tool is as follows:

[0013] 1. First, perform detailed calculations and planning for the overall hoisting scheme, determine the overall hoisting center, height, deflection angle, and other parameters, install the columns of the factory shed, and then install the entire factory shed support frame in the designated locations.

[0014] 2. Select eight stress points on the entire load-bearing structure. Pass four steel ropes through four pulleys. Hooks at both ends of the steel ropes are hooked or fixed to the stress points. By using four lifting steel wire ropes simultaneously and selecting eight stress points on the entire shed support structure, the weight of the entire shed support structure can be distributed. At the same time, during the overall lifting process, tightening the locking bolts will cause the locking bolts to press against the pulleys and steel ropes, preventing the pulleys from rotating accidentally or the steel ropes from coming off the pulleys. Locking the steel wire ropes will prevent the lifted load from becoming unstable due to the pulleys rotating accidentally or the steel ropes coming off the pulleys.

[0015] 3. During lifting, connect the top of the hook to the crane and the bottom to the lifting plate through the connecting column in the middle of the pull hole. The hook can quickly connect the equipment to the object being lifted, making it easy to disassemble the object and reduce manual operation time. During the lifting process, the weight of the object is evenly distributed among the eight stress points to ensure the balance and stability of the lifting process and avoid tilting or overturning caused by uneven stress at a single point.

[0016] 4. When hoisting factory sheds of different sizes, the pulley bracket is rotatably connected to the lifting plate and fixing device through the connecting roller A, so that the stress point of the steel rope and the pulley bracket is always kept on the same horizontal line. It is suitable for lifting objects with irregular shapes or large volumes.

[0017] This solution addresses the challenges of traditional high-altitude operations, including high construction difficulty, significant safety risks, low efficiency, long construction period, and high costs, by installing the large-area factory shed support structure on the ground and then hoisting it into place. Four lifting wire ropes are used simultaneously, with eight load-bearing points selected on the entire factory shed support structure to distribute its weight and prevent deformation or tilting.

[0018] The beneficial effects of this utility model are as follows:

[0019] 1. This utility model connects the steel rope on the pulley at the bottom of the pulley bracket to the eight stress points of the lifted object, evenly distributing the weight of the lifted object and ensuring balance and stability during the lifting process. The hook allows for easy connection of the steel rope to the lifted object. The rotatable connection between the pulley bracket, the lifting plate, and the fixing device makes this device suitable for lifting objects of different shapes and sizes, offering high flexibility. The locking bolts ensure that the pulley and steel rope remain stable during the lifting process, keeping the lifted object from deforming or tilting, thus ensuring high safety.

[0020] 2. This utility model can quickly connect or disconnect the object being lifted from the lifting equipment through the pull holes and hooks on the lifting plate, reducing manual operation time and improving lifting efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the main structure of the lifting plate of this utility model;

[0022] Figure 2 This is a front view structural diagram of the present utility model;

[0023] Figure 3 This is a top view of the structure of this utility model;

[0024] Figure 4 This is a schematic cross-sectional view of the pulley bracket of this utility model.

[0025] In the diagram: 1. Lifting plate; 101. Fixing block; 2. Fixing device; 3. Pulley bracket; 31. Orifice-shaped rotating sleeve; 32. Pulley sleeve; 4. Pulley; 5. Steel rope; 6. Hook; 7. Locking bolt; 8. Connecting roller A; 9. Connecting roller B; 10. Pull hole; 11. Hook; 12. Connecting column. Detailed Implementation

[0026] 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.

[0027] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. In addition, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "linked" should be interpreted broadly. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0028] The following is a detailed description of a self-balancing lifting tool according to the present invention, with reference to the accompanying drawings:

[0029] Example 1: A self-balancing lifting tool includes a lifting body, a pulley bracket 3, a pulley 4, a steel rope 5, a hook 6, and a locking bolt 7. The lifting body includes a lifting plate 1, a fixing device 2, and a fixing block 101. Two lifting plates 1 are provided and are fixedly connected by the fixing block 101. The fixing device 2 consists of a pair of fixing plates. Four pulley brackets 3 are provided. The lifting plate 1 is triangular in orthogonal view, and its lower two ends are rotatably connected to one end of two pulley brackets 3 respectively. Two fixing devices 2 are provided, respectively welded to the front and rear sides of the lifting plate 1 and rotatably connected to one end of the pulley bracket 3. The other end of the pulley bracket 3 is rotatably connected to the pulley 4. The middle part of the steel rope 5 is wound around the pulley 4. The hook 6 is installed at both ends of the steel rope 5. The locking bolt 7 is located in the middle of the pulley bracket 3. This application connects to a crane through the lifting plate 1.

[0030] The working principle of this embodiment is as follows:

[0031] After the shed frame is installed on the ground, eight stress points are selected on the entire frame. Four steel ropes 5 are passed through four pulleys 5, and the hooks 6 at both ends of the steel ropes 5 are fixed to the stress points of the frame. The lifting plate 1 is connected to the crane. The length of the four steel ropes 5 on both sides of the pulley 4 is adjusted, and the locking bolts 7 are tightened so that the locking bolts 7 abut against the pulley 4 and the steel ropes 5 to prevent the pulley 4 from rotating accidentally or the steel ropes 5 from coming off the pulley 4. During lifting, the pulley bracket 3 is rotatably connected to the lifting plate 1 and the fixing device 2 so that the stress direction of the steel ropes 5 and the pulley bracket 3 is always kept on the same horizontal line. The weight of the frame is evenly distributed among the eight stress points to ensure the balance and stability of the frame during the lifting process.

[0032] Example 2: The difference from Example 1 is that the pulley bracket 3 is provided with connecting roller A8 and connecting roller B9; the pulley bracket 3 includes a mouth-shaped rotating sleeve 31 and a pulley sleeve 32; the mouth-shaped rotating sleeve 31 and the pulley sleeve 32 are integrally connected; the pulley 4 is sleeved on the connecting roller B9, and the connecting roller B9 is installed inside the pulley sleeve 32; the connecting roller A8 is located in the middle of the fixing device 2 and at the lower ends of the two lifting pieces 1; the mouth-shaped rotating sleeve 31 is sleeved on the middle of the connecting roller A8, and is connected to the lifting piece 1 and the fixing device 2 through the connecting roller A8; the locking bolt 7 is threaded to the bottom end of the mouth-shaped rotating sleeve 31; the upper end of the lifting piece 1 is provided with a pull hole 10; the pull hole 10 is provided with a matching hook 11; a connecting post 12 is provided between the pull holes 10 of the two lifting pieces 1; the hook 11 is connected to the lifting piece 1 through the connecting post 12.

[0033] The hoisting equipment can be quickly connected to the lifting plate 1 by the connecting column 12 between the hook 11 and the pull holes 10 of the two lifting plates 1. The pulley bracket 3 can rotate 180 degrees up and down relative to the lifting plate 1 and the fixing device through the connecting roller A8. During the hoisting process, the stress points of the steel rope 5 and the pulley bracket 3 are kept on the same horizontal line. The pulley 4 can rotate stably in the pulley sleeve 32 through the connecting roller B9. The length of both ends of the steel rope 5 can be adjusted. After adjustment, the locking bolt 7 is rotated to pass through the orifice-shaped rotating sleeve 31 to press the pulley 4, preventing the steel rope 5 from falling off the pulley 4 and fixing the steel rope 5.

[0034] The working principle of this embodiment is the same as that of Embodiment 1.

[0035] A device for hoisting the entire frame of a factory shed includes a crane and the self-balancing lifting tool described in this embodiment.

[0036] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A self-balancing lifting tool, characterized in that: The system includes a hoisting body, a pulley bracket (3), a pulley (4), a steel rope (5), a hook (6), and a locking bolt (7). The hoisting body includes a lifting plate (1), a fixing device (2), and a fixing block (101). There are two lifting plates (1), which are fixedly connected by the fixing block (101). The fixing device (2) consists of a pair of fixing plates. There are four pulley brackets (3). The lifting plate (1) is triangular in orthogonal view, and its lower two ends are rotatably connected to one end of the two pulley brackets (3). There are two fixing devices (2), which are welded to the front and rear sides of the lifting plate (1) and rotatably connected to one end of the pulley bracket (3). The other end of the pulley bracket (3) is rotatably connected to the pulley (4). The middle part of the steel rope (5) is wound around the pulley (4). The hook (6) is installed at both ends of the steel rope (5). The locking bolt (7) is located in the middle of the pulley bracket (3).

2. The self-balancing lifting tool according to claim 1, characterized in that: The pulley bracket (3) is provided with connecting roller A (8) and connecting roller B (9); the pulley bracket (3) includes a mouth-shaped rotating sleeve (31) and a pulley sleeve (32); the mouth-shaped rotating sleeve (31) and the pulley sleeve (32) are integrally connected; the pulley (4) is sleeved on the connecting roller B (9), and the connecting roller B (9) is installed inside the pulley sleeve (32); the connecting roller A (8) is located in the middle of the fixing device (2) and at the lower ends of the two lifting pieces (1); the mouth-shaped rotating sleeve (31) is sleeved on the middle of the connecting roller A (8), and is connected to the lifting piece (1) and the fixing device (2) through the connecting roller A (8); the locking bolt (7) is threadedly connected to the bottom end of the mouth-shaped rotating sleeve (31).

3. The self-balancing lifting tool according to claim 1, characterized in that: The upper end of the lifting plate (1) is provided with a pull hole (10); the pull hole (10) is provided with a matching hook (11).

4. The self-balancing lifting tool according to claim 3, characterized in that: A connecting post (12) is provided between the pull holes (10) of the two lifting pieces (1); the hook (11) is connected to the lifting piece (1) through the connecting post (12).

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