A device for lifting prefabricated components

Abstract

The utility model provides a kind of hoisting device of prefabricated component, including top frame, the upper end of top frame is symmetrically provided with telescopic push rod, the telescopic end of telescopic push rod extends to the downside of top frame and is jointly connected with mounting bracket, the inside of mounting bracket is symmetrically provided with slide bar, the left and right ends of slide bar are symmetrically slidably provided with slide plate, the middle part of mounting bracket is provided with fixed plate, by the hoisting device of prefabricated component of the utility model, by setting slide plate, slider movement respectively drives rotating plate one and rotating plate two rotation, rotating plate one and rotating plate two rotation can drive slide plate slide along slide bar, and then the position of hoisting piece is adjusted, the hoisting piece of adjustable position can flexibly match different size, shape and hoisting point layout prefabricated component, without being equipped with special lifting appliance for each component, significantly reduce equipment procurement and management cost, easily cope with non-standard component or design change, improve production flexibility.

Description

Technical Field

[0001] This utility model belongs to the technical field of lifting devices, and specifically relates to a lifting device for prefabricated components. Background Technology

[0002] Precast components are cast and cured in molds in factories or prefabrication yards, but they need to be installed in designated locations on construction sites. The components cannot "move by themselves" and must be lifted vertically from the ground, transport vehicles or storage areas and moved horizontally to the installation location by lifting equipment and hoisting tools. Therefore, hoisting devices are needed to lift the precast components.

[0003] Most existing lifting devices involve moving the lifting device to the location of the precast component, then lowering the lifting device to hook the precast component and move it to a suitable position. While this can meet the needs of lifting precast components, the spacing of the hooks at the lower end of the lifting device is not easy to adjust. Precast components (such as wall panels, floor slabs, and beams) vary in length, width, and lifting point position. Hooks with fixed spacing can only match components of specific sizes or with specific lifting point designs. This results in a lifting device that can only be used for a few types of components, requiring multiple sets of lifting devices of different specifications, which increases equipment costs and management difficulty. Utility Model Content

[0004] In view of this, this utility model addresses the shortcomings of the prior art by providing a lifting device for prefabricated components. By setting a sliding plate, the movement of the slider drives rotating plate one and rotating plate two to rotate. The rotation of rotating plate one and rotating plate two can drive the sliding plate to slide along the sliding rod, thereby adjusting the position of the lifting component. The adjustable lifting component can flexibly match prefabricated components of different sizes, shapes and lifting point layouts, eliminating the need to equip each component with a special lifting tool, significantly reducing equipment procurement and management costs, easily handling non-standard components or design changes, and improving production flexibility.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is: a lifting device for prefabricated components, including a top frame, telescopic push rods symmetrically arranged at the upper end of the top frame, the telescopic ends of the telescopic push rods extending to the lower side of the top frame and connected to a mounting frame, sliding rods symmetrically arranged inside the mounting frame, sliding plates symmetrically arranged at the left and right ends of the sliding rods, a fixing plate arranged in the middle of the mounting frame, lifting components arranged at the lower ends of the fixing plate and the sliding plates, and a driving unit for driving the sliding plates to move arranged on the fixing plate.

[0006] As a further improvement of this utility model, the driving unit includes a slide groove opened in the middle of the fixed plate. A slider is symmetrically slidably arranged inside the slide groove. A rotating rod is arranged on the slider. A rotating column is arranged on each of the slide plates. A rotating plate one and a rotating plate two are rotatably arranged on each rotating column. The ends of rotating plate one and rotating plate two away from the rotating column are connected to the adjacent rotating rod. A driving component for driving the slider to move is arranged inside the slide groove. The driving component includes a bidirectional lead screw arranged inside the slide groove. The slider is threadedly connected to the bidirectional lead screw.

[0007] As a further improvement of this utility model, a motor is provided at the front end of the mounting frame. The output end of the motor is connected to the bidirectional lead screw through a coupling. When the motor is started, the output end of the motor drives the bidirectional lead screw to rotate. The bidirectional lead screw drives the slider to move relative to each other along the slide groove. The movement of the slider drives the first rotating plate and the second rotating plate to rotate respectively. The rotation of the first rotating plate and the second rotating plate can drive the slide plate to slide along the slide rod, thereby adjusting the position of the lifting component. The adjustable lifting component can flexibly match prefabricated components of different sizes, shapes and lifting point layouts. There is no need to equip each component with a special lifting tool, which significantly reduces equipment procurement and management costs, easily copes with non-standard components or design changes, and improves production flexibility.

[0008] As a further improvement of this utility model, a number of fixed columns are symmetrically arranged at the lower end of the top frame, and each adjacent fixed column is provided with a mounting plate at its lower end.

[0009] As a further improvement of this utility model, the lower end of the mounting plate is equipped with several casters, each with a brake pad. These casters allow operators to easily move the entire lifting device freely within the prefabrication plant, storage area, or construction site, quickly positioning it at the lifting location of different components without relying on forklifts or cranes. This adapts to dynamically changing production layouts or construction schedules, improving operational flexibility. Once the device is in position, the brake pads can lock the casters, preventing accidental sliding, displacement, or overturning of the device under stress during lifting of heavy objects. This securely fixes the device to the ground, ensuring a stable and safe lifting process, and is a key guarantee for achieving "flexible movement and stable operation."

[0010] As a further improvement of this utility model, a limiting rod is provided at the upper end of the mounting frame. The limiting rod is slidably connected to the top frame. A limiting plate is provided at the upper end of the limiting rod. The limiting rod is slidably connected to the top frame. The limiting rod can limit the mounting frame, prevent the mounting frame from shaking during movement, and improve the safety of the equipment.

[0011] As a further improvement of this utility model, the lifting component includes a lifting cylinder installed at the lower end of the fixed plate and the sliding plate. The lower end of the lifting cylinder is equipped with a hook. By controlling the on / off and pressure of compressed air, the lifting cylinder can precisely control the extension and retraction stroke of the piston rod. The hook can descend to the pre-embedded lifting point position at a stable speed to avoid impact.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows: Firstly, by setting up a sliding plate, a two-way lead screw drives a slider to move relative to the slide along the slide groove. The movement of the slider drives rotating plate one and rotating plate two to rotate respectively. The rotation of rotating plate one and rotating plate two can drive the sliding plate to slide along the slide rod, thereby adjusting the position of the lifting component. The adjustable lifting component can flexibly match prefabricated components of different sizes, shapes and lifting point layouts. There is no need to equip each component with a special lifting tool, which significantly reduces equipment procurement and management costs, easily copes with non-standard components or design changes, and improves production flexibility.

[0013] Secondly, by installing casters, operators can easily move the entire lifting device freely in the prefabrication plant, storage area or construction site, and quickly position it to the lifting position of different components without relying on forklifts or cranes themselves. This allows it to adapt to dynamically changing production layouts or construction schedules and improves operational flexibility.

[0014] Thirdly, by installing brake pads, the casters can be locked after the device is moved into position, preventing the device from accidentally sliding, shifting, or overturning due to force when lifting heavy objects. This ensures the device is firmly fixed to the ground, guaranteeing a smooth and safe lifting process, and is a key guarantee for achieving "flexible movement and stable operation".

[0015] Fourth, by setting a limiting rod, a limiting rod is set at the upper end of the mounting frame. The limiting rod is slidably connected to the top frame, and a limiting plate is set at the upper end of the limiting rod. The setting of the limiting rod can limit the mounting frame, prevent the mounting frame from shaking during movement, and improve the safety of the equipment.

[0016] Fifth, by setting up lifting cylinders, each with a hook at its lower end, the lifting cylinders can precisely control the extension and retraction of the piston rod by controlling the flow and pressure of compressed air. The hooks can descend to the pre-embedded lifting point position at a stable speed, avoiding impact. Attached Figure Description

[0017] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0018] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a schematic diagram of the drive unit structure of this utility model; Figure 3This is a schematic diagram of the rotating plate 1, rotating plate 2, lifting cylinder, and hook structure of this utility model; Figure 4 This is a front view structural diagram of the present invention.

[0019] In the diagram: 101, top frame; 102, telescopic push rod; 103, mounting bracket; 104, slide rod; 105, slide plate; 106, fixing plate; 201, slide groove; 202, slider; 203, rotating plate one; 204, rotating plate two; 205, double-acting lead screw; 206, motor; 301, fixing column; 302, mounting plate; 303, caster wheel; 304, brake pad; 305, limit rod; 306, lifting cylinder; 307, hook. Detailed Implementation

[0020] To better understand this utility model, the following embodiments further illustrate its content, but the scope of protection of this utility model is not limited to the embodiments described below. Numerous specific details are set forth in the following description to provide a more thorough understanding of this utility model. However, it will be apparent to those skilled in the art that this utility model can be practiced without one or more of these details.

[0021] like Figure 1 , 2 As shown in Figure 3, a lifting device for prefabricated components includes a top frame 101. Telescopic push rods 102 are symmetrically arranged at the upper end of the top frame 101. The telescopic ends of the telescopic push rods 102 extend to the lower side of the top frame 101 and are connected to a mounting frame 103. Slide rods 104 are symmetrically arranged inside the mounting frame 103. Slide plates 105 are symmetrically slidably arranged at the left and right ends of the slide rods 104. A fixing plate 106 is arranged in the middle of the mounting frame 103. Lifting components are provided at the lower ends of the fixing plate 106 and the slide plates 105. A drive unit for driving the slide plates 105 to move is provided on the fixing plate 106.

[0022] like Figure 2 , 3As shown, the drive unit includes a groove 201 formed in the middle of the fixed plate 106. A slider 202 is symmetrically slidably arranged inside the groove 201. A rotating rod is mounted on the slider 202. Rotating columns are mounted on the slide plate 105. A rotating plate 203 and a rotating plate 204 are rotatably mounted on each rotating column. The ends of rotating plates 203 and 204 away from the rotating columns are connected to adjacent rotating rods. A drive component for moving the slider 202 is provided inside the groove 201. The drive component includes a bidirectional lead screw 205 disposed inside the groove 201. The slider 202 is threadedly connected to the bidirectional lead screw 205. A motor 206 is located at the front end of the mounting bracket 103. The output end of the motor 206 is connected to... The bidirectional lead screw 205 is connected via a coupling. When the motor 206 is started, the output end of the motor 206 drives the bidirectional lead screw 205 to rotate. The bidirectional lead screw 205 drives the slider 202 to move relative to the slide groove 201. The movement of the slider 202 drives the rotating plate 1 203 and the rotating plate 204 to rotate respectively. The rotation of the rotating plate 1 203 and the rotating plate 204 can drive the slide plate 105 to slide along the slide rod 104, thereby adjusting the position of the lifting component. The adjustable lifting component can flexibly match prefabricated components of different sizes, shapes and lifting point layouts. There is no need to equip each component with a special lifting tool, which significantly reduces equipment procurement and management costs, easily copes with non-standard components or design changes, and improves production flexibility.

[0023] like Figure 1 , 4 As shown, a number of fixed columns 301 are symmetrically arranged at the lower end of the top frame 101, and each adjacent fixed column 301 is provided with a mounting plate 302 at its lower end.

[0024] like Figure 1 , 4 As shown, the lower end of the mounting plate 302 is equipped with several casters 303, each with a brake pad 304. These casters 303 allow operators to easily move the entire lifting device freely within the prefabrication plant, storage area, or construction site, quickly positioning it for lifting different components without relying on forklifts or cranes. This adapts to dynamically changing production layouts or construction schedules, enhancing operational flexibility. Once the device is in position, the brake pads 304 can lock the casters 303, preventing accidental sliding, displacement, or overturning during lifting of heavy objects. This securely fixes the device to the ground, ensuring a smooth and safe lifting process, and is a key guarantee for achieving "flexible movement and stable operation."

[0025] like Figure 2As shown, the lifting device includes a lifting cylinder 306 installed at the lower end of the fixed plate 106 and the sliding plate 105. Each lifting cylinder 306 is equipped with a hook 307 at its lower end. By controlling the on / off and pressure of compressed air, the lifting cylinder 306 can precisely control the extension and retraction stroke of the piston rod. The hook 307 can descend to the pre-embedded lifting point position at a stable speed to avoid impact.

[0026] In use, the lifting device is moved to a suitable position using the casters 303, and then the casters 303 are locked using the brake pads 304 to prevent the device from accidentally sliding, shifting, or overturning due to force when lifting heavy objects. This securely fixes the device to the ground, ensuring a stable and safe lifting process, which is a key guarantee for achieving "flexible movement and stable operation". Next, the motor 206 is started, and the output end of the motor 206 drives the double-acting screw 205 to rotate. The double-acting screw 205 drives the slider 202 to move relative to the slide rail 201. The movement of the slider 202 drives the rotating plate 1 203 and the rotating plate 204 to rotate respectively. The rotation of the rotating plate 1 203 and the rotating plate 204 can drive the sliding plate 105 to slide along the sliding rod 104, thereby adjusting the position of the lifting component. The adjustable lifting component can flexibly match prefabricated components of different sizes, shapes, and lifting point layouts, eliminating the need to equip each component with a special lifting tool, significantly reducing equipment procurement and management costs, easily handling non-standard components or design changes, and improving production flexibility.

[0027] After moving the lifting device to the appropriate position, the lifting cylinder 306 is then activated. By controlling the on / off state and pressure of compressed air, the extension and retraction strokes of the piston rod can be precisely controlled, and the hook 307 can descend to the pre-embedded lifting point position at a stable speed to avoid impact.

[0028] According to another embodiment of the present invention, such as Figure 1 , 4 As shown, a limit rod 305 is provided at the upper end of the mounting frame 103. The limit rod 305 is slidably connected to the top frame 101. A limit plate is provided at the upper end of the limit rod 305. The limit rod 305 can limit the mounting frame 103 to prevent it from shaking during movement and improve the safety of the equipment.

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Any other modifications or equivalent substitutions made by those skilled in the art to the technical solution of this utility model, as long as they do not depart from the spirit and scope of the technical solution of this utility model, should be covered within the scope of the claims of this utility model.

Claims

1. A hoisting device for precast components, comprising a top frame (101), characterized in that: The top frame (101) is symmetrically provided with telescopic push rods (102) at its upper end. The telescopic ends of the telescopic push rods (102) extend to the lower side of the top frame (101) and are connected to the mounting frame (103). The mounting frame (103) is symmetrically provided with slide rods (104) inside. The slide rods (104) are symmetrically slidably provided with slide plates (105) at their left and right ends. The mounting frame (103) is provided with a fixing plate (106) in the middle. The fixing plate (106) and the slide plate (105) are both provided with lifting parts at their lower ends. The fixing plate (106) is provided with a drive unit for driving the slide plate (105) to move.

2. The hoisting device for prefabricated components as described in claim 1, characterized in that: The driving unit includes a slide groove (201) in the middle of the fixed plate (106). A slider (202) is symmetrically slidably arranged inside the slide groove (201). A rotating rod is provided on the slider (202). A rotating column is provided on each of the slide plates (105). A rotating plate one (203) and a rotating plate two (204) are rotatably arranged on each rotating column. The ends of the rotating plate one (203) and the rotating plate two (204) away from the rotating column are connected to the adjacent rotating rod. A driving component for driving the slider (202) to move is provided inside the slide groove (201).

3. The hoisting device for prefabricated components as described in claim 2, characterized in that: The driving component includes a bidirectional lead screw (205) disposed inside the slide groove (201), and the slider (202) is threadedly connected to the bidirectional lead screw (205).

4. The hoisting device for prefabricated components as described in claim 1, characterized in that: The front end of the mounting bracket (103) is provided with a motor (206), and the output end of the motor (206) is connected to the bidirectional lead screw (205) through a coupling.

5. The hoisting device for prefabricated components as described in claim 1, characterized in that: The lower end of the top frame (101) is symmetrically provided with several fixed columns (301), and the lower end of each adjacent fixed column (301) is provided with a mounting plate (302).

6. The hoisting device for precast components as described in claim 5, characterized in that: The lower end of the mounting plate (302) is provided with a number of casters (303), and each caster (303) is provided with a brake pad (304).

7. The hoisting device for precast components as described in claim 1, characterized in that: The upper end of the mounting bracket (103) is provided with a limiting rod (305), which is slidably connected to the top frame (101), and a limiting plate is provided at the upper end of the limiting rod (305).

8. The hoisting device for prefabricated components as described in claim 1, characterized in that: The lifting device includes a lifting cylinder (306) installed at the lower end of the fixed plate (106) and the sliding plate (105), and a hook (307) is provided at the lower end of each lifting cylinder (306).

Images