Special lifting appliance for assembling fabricated house

The movable splint and annular slider structure solves the problem of loosening of the special lifting equipment for prefabricated house assembly when clamping wall panels of different thicknesses, achieving a safe and stable lifting process.

CN223316271UActive Publication Date: 2025-09-09GUANGZHOU FIFTH CONSTR ENG CO LTD
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Patent Information

Application Number
CN202422579334.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-24
Publication Date
2025-09-09
Estimated Expiration
2034-10-24

AI Technical Summary

Technical Problem

When existing special lifting equipment for assembling prefabricated houses clamps wall panels of different thicknesses, the threaded connections may loosen, causing the wall panels to fall off, posing a safety hazard.

Method used

It adopts a movable splint structure, and the handwheel drives the spring ratchet component and the ratchet pin component. The splint is adjusted by turning the handwheel, and the spring ratchet component prevents loosening. Combined with the annular slider and the limit rod component, the wall panel is stably clamped.

Benefits of technology

It effectively prevents wall panels from falling off during the hoisting process, ensures the safety and stability of the hoisting process, and prevents damage to surrounding personnel and equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a special lifting appliance for assembling an assembled house, which relates to the technical field of building construction equipment and comprises a mounting sliding rod, and two annular sliding blocks are symmetrically arranged at two ends of the bottom of the mounting sliding rod; a limiting rod adjusting component is arranged on one side of each annular sliding block, a limiting rod clamping pin component is arranged on the other side of each annular sliding block, and a clamping plate mounting base is arranged at the bottom of each annular sliding block. A movable clamping plate is arranged in the clamping plate mounting seat; a hand wheel is arranged on one side of the movable clamping plate; a spring ratchet component is arranged on one side, close to the clamping plate mounting seat, of the hand wheel; and a ratchet clamping pin component is arranged on one side of the spring ratchet component. By means of the structure, wallboards of different specifications can be hoisted, the clamp can be prevented from loosening in the hoisting process, and unnecessary damage to surrounding personnel and equipment is avoided.
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Description

Technical Field

[0001] The utility model relates to the technical field of construction equipment, in particular to a special lifting device for assembling prefabricated houses. Background Art

[0002] Prefabricated housing refers to a structure in which various components, such as floor slabs, wall panels, stairs, and balconies, are prefabricated in a factory, then transported to the construction site and assembled using reliable connection methods. Prefabricated housing offers numerous advantages, including fast construction, energy conservation and environmental protection, and flexibility. It is widely used in residential, commercial, and temporary venues.

[0003] Existing hoists specifically designed for prefabricated house assembly typically use an adjustable screw clamp structure to clamp wall panels of varying thicknesses. However, due to the threaded connection between the screws and the mounting base, the threads can loosen during installation, causing the panel to fall off the clamp, potentially causing harm to surrounding workers and equipment. Therefore, we propose a hoist specifically designed for prefabricated house assembly to address this issue. Utility Model Content

[0004] The purpose of the present utility model is to provide a special lifting device for assembling prefabricated houses, so as to solve the problem proposed in the above background technology that in order to clamp wall panels of different thicknesses, the existing special lifting device for assembling prefabricated houses usually adopts an adjustable screw clamp structure to clamp the wall panels. During this process, since the threads are threadedly connected to the fixing seat, the threads may loosen when hoisting the wall panels, causing the wall panels to fall off the clamp, which may cause unnecessary damage to surrounding personnel and equipment.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A special hanger for assembling prefabricated houses, comprising a mounting slide bar, two annular sliders symmetrically provided at both ends of the bottom of the mounting slide bar, one side of the two annular sliders being provided with an adjustment limit rod component, the other side of the annular sliders being provided with a limit rod latch component, a clamping plate mounting seat being provided at the bottom of the annular slider, a movable clamping plate being provided inside the clamping plate mounting seat, a handwheel being provided on one side of the movable clamping plate, a spring ratchet component being provided on the side of the handwheel close to the clamping plate mounting seat, and a ratchet latch component being provided on one side of the spring ratchet component;

[0007] The spring ratchet component includes a ratchet, a clamping groove is provided inside the ratchet, and a ratchet compression spring is provided on one side of the ratchet.

[0008] Furthermore, the mounting slide rod includes a mounting rod, two hanging rings are symmetrically provided at both ends of the top of the mounting rod, an annular slide rod is provided at the bottom of the mounting rod, and a plurality of circular slots are evenly spaced on the mounting rod. The two hanging rings are fixedly connected to the mounting rod, and the annular slide rod is fixedly connected to the mounting rod.

[0009] Furthermore, the top of the annular slider is slidably connected to the annular slide rod, and the bottom of the annular slider is fixedly connected to the clamping plate mounting seat.

[0010] Furthermore, the adjustment limit rod component includes a limit rod, a return spring is provided at one end of the limit rod, the other end of the limit rod is clamped with the mounting rod through a circular slot, the limit rod is slidingly connected to the annular slider, one end of the return spring is fixedly connected to the limit rod, and the other end of the return spring is fixedly connected to the annular slider.

[0011] Furthermore, the limit rod pin component includes a limit rod pin mounting seat, a limit rod pin is arranged inside the limit rod pin mounting seat, the limit rod pin mounting seat is fixedly connected to the annular slider, a limit rod pin spring is arranged at one end of the limit rod pin, the other end of the limit rod pin is engaged with the limit rod, the limit rod pin is slidably connected to the limit rod pin mounting seat, one end of the limit pin spring is fixedly connected to the limit pin mounting seat, and the other end of the limit pin spring is fixedly connected to the limit rod pin.

[0012] Furthermore, the movable splint includes a splint, two guide rods are symmetrically provided at both ends of the splint, the two guide rods are slidably connected to the splint mounting seat, the guide rods are fixedly connected to the splint, the ratchet pin component includes a ratchet pin mounting seat, a ratchet pin is provided inside the ratchet pin mounting seat, the ratchet pin mounting seat is fixedly connected to the splint mounting seat, a ratchet pin spring is provided at one end of the ratchet pin, the ratchet pin is slidably connected to the ratchet pin mounting seat, one end of the ratchet pin spring is fixedly connected to the ratchet pin mounting seat, and the other end of the ratchet pin spring is fixedly connected to the ratchet pin.

[0013] Furthermore, the handwheel is provided with a plurality of limit pins for uniform rotation around the axis, one end of the handwheel passes through the splint mounting seat and is rotatably connected to the splint, the handwheel is threadedly connected to the splint mounting seat, and the plurality of limit pins are fixedly connected to the handwheel.

[0014] Furthermore, the ratchet is engaged with the limit pin through the slot, the ratchet is slidably connected to the handwheel, the outer side of the ratchet is engaged with the ratchet pin, one end of the ratchet compression spring is fixedly connected to the ratchet, and the other end of the ratchet compression spring is fixedly connected to the handwheel.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] 1. The present invention comprises a movable clamping plate with a handwheel on one side. A spring ratchet component is provided on the side of the handwheel near the clamping plate mounting seat, and a ratchet latch component is provided on one side of the spring ratchet component. During the process, the movable clamping plate is adjusted by turning the handwheel to clamp the wall panel. The spring ratchet component rotates and slides axially with the handwheel, and the ratchet latch component can prevent the spring ratchet component from loosening, preventing the wall panel from falling off and causing injury to nearby personnel.

[0017] 2. The utility model provides a mounting rod with two symmetrically positioned annular sliders at both ends of the bottom of the mounting rod. One side of the two annular sliders is provided with an adjustable limit rod component, and the other side of the annular sliders is provided with a limit rod latch component. A clamping plate mounting seat is provided at the bottom of the annular sliders. During this process, the annular sliders slide on the mounting rod to facilitate adjustment of the distance between the clamping plate mounting seats at the bottom of the two annular sliders, facilitating stable clamping of wall panels of different lengths. Furthermore, by adjusting the limit rod components, the annular sliders can be engaged with the mounting rod, preventing movement during the hoisting process and causing unnecessary injuries. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0019] Figure 2 This is a schematic diagram of the installation structure of the annular slider of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the ratchet bayonet component of the present invention;

[0021] Figure 4 This is a schematic diagram of the installation structure of the limit rod latch component of the utility model;

[0022] Figure 5 This is a schematic diagram of the installation structure of the movable splint of the utility model;

[0023] Figure 6 This is a schematic structural diagram of the spring ratchet component of the present utility model;

[0024] Figure markings: 1. Mounting slide bar; 101. Mounting rod; 102. Lifting ring; 103. Annular slide bar; 104. Circular slot; 2. Annular slider; 3. Adjustment limit rod component; 301. Limit rod; 302. Return spring; 4. Limit rod latch component; 401. Limit latch mounting seat; 402. Limit rod latch; 403. Limit latch spring; 5. Clamp mounting seat; 6. Movable clamp; 601. Clamp; 602. Guide rod; 7. Handwheel; 701. Limit pin; 8. Spring ratchet component; 801. Ratchet; 802. Slot; 803. Ratchet compression spring; 9. Ratchet latch component; 901. Ratchet latch mounting seat; 902. Ratchet latch; 903. Ratchet latch spring. DETAILED DESCRIPTION

[0025] 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.

[0026] See also Figures 1-6 The utility model provides a technical solution: a special hanger for assembling prefabricated houses, comprising a mounting slide bar 1, two annular sliders 2 symmetrically arranged at both ends of the bottom of the mounting slide bar 1, an adjustment limit rod component 3 being arranged on one side of the two annular sliders 2, a limit rod latch component 4 being arranged on the other side of the annular sliders 2, a plywood mounting seat 5 being arranged at the bottom of the annular slider 2, a movable plywood 6 being arranged inside the plywood mounting seat 5, a handwheel 7 being arranged on one side of the movable plywood 6, a spring ratchet component 8 being arranged on the side of the handwheel 7 close to the plywood mounting seat 5, and a ratchet latch component 9 being arranged on one side of the spring ratchet component 8;

[0027] The spring ratchet component 8 includes a ratchet 801 , a clamping slot 802 is provided inside the ratchet 801 , and a ratchet compression spring 803 is provided on one side of the ratchet 801 .

[0028] The mounting slide bar 1 includes a mounting rod 101, two lifting rings 102 symmetrically provided at both ends of the top of the mounting rod 101, an annular slide bar 103 provided at the bottom of the mounting rod 101, and a plurality of circular slots 104 evenly spaced apart on the mounting rod 101. The two lifting rings 102 are fixedly connected to the mounting rod 101, and the annular slide bar 103 is fixedly connected to the mounting rod 101. In this embodiment, the provision of the plurality of circular slots 104 facilitates adjustment of the retaining rod component 3 to clamp the annular slide bar 2, thereby adjusting the distance between the clamping plate mounting bases 5, and facilitating the clamping of wall panels of different lengths.

[0029] The top of the annular slider 2 is slidably connected to the annular slide bar 103 , and the bottom of the annular slider 2 is fixedly connected to the clamping plate mounting seat 5 .

[0030] The adjustment limit rod component 3 includes a limit rod 301, one end of which is provided with a return spring 302. The other end of the limit rod 301 is engaged with the mounting rod 101 via a circular engagement groove 104. The limit rod 301 is slidably connected to the annular slider 2. One end of the return spring 302 is fixedly connected to the limit rod 301, and the other end of the return spring 302 is fixedly connected to the annular slider 2. In this embodiment, the provision of the return spring 302 facilitates the rapid return of the limit rod 301 to engage the annular slider 2.

[0031] The limit rod latch component 4 includes a limit rod latch mounting seat 401, a limit rod latch 402 is provided inside the limit rod latch mounting seat 401, the limit rod latch mounting seat 401 is fixedly connected to the annular slider 2, a limit rod latch spring 403 is provided at one end of the limit rod latch 402, the other end of the limit rod latch 402 is engaged with the limit rod 301, the limit rod latch 402 is slidably connected to the limit rod latch mounting seat 401, one end of the limit latch spring 403 is fixedly connected to the limit rod latch mounting seat 401, and the other end of the limit latch spring 403 is fixedly connected to the limit rod latch 402. In this example, by providing the limit rod latch component 4, it is easy to clamp the limit rod 301, preventing the limit rod 301 from being retracted during the lifting process, which would cause the annular slider 2 to move.

[0032] The movable splint 6 includes a splint 601, two guide rods 602 symmetrically provided at both ends of the splint 601, the two guide rods 602 being slidably connected to the splint mounting seat 5, the guide rods 602 being fixedly connected to the splint 601, a ratchet latch component 9 including a ratchet latch mounting seat 901, a ratchet latch 902 being provided inside the ratchet latch mounting seat 901, the ratchet latch mounting seat 901 being fixedly connected to the splint mounting seat 5, a ratchet latch spring 903 being provided at one end of the ratchet latch 902, the ratchet latch 902 being slidably connected to the ratchet latch mounting seat 901, one end of the ratchet latch spring 903 being fixedly connected to the ratchet latch mounting seat 901, and the other end of the ratchet latch spring 903 being fixedly connected to the ratchet latch 902. In this example, by providing the ratchet latch component 9, it is convenient to clamp the spring ratchet component 8, thereby preventing the handwheel 7 from loosening during the hoisting process, which would cause the movable splint 6 to loosen the wallboard.

[0033] The handwheel 7 is evenly rotated around the axis and is provided with a plurality of limit pins 701 . One end of the handwheel 7 passes through the splint mounting seat 5 and is rotatably connected to the splint 601 . The handwheel 7 is threadedly connected to the splint mounting seat 5 , and a plurality of limit pins 701 are fixedly connected to the handwheel 7 .

[0034] The ratchet 801 is engaged with the limit pin 701 through the engagement groove 802, the ratchet 801 is slidably connected to the handwheel 7, the outer side of the ratchet 801 is engaged with the ratchet engagement pin 902, one end of the ratchet compression spring 803 is fixedly connected to the ratchet 801, and the other end of the ratchet compression spring 803 is fixedly connected to the handwheel 7. In this embodiment, by providing the ratchet compression spring 803, the outer side of the ratchet 801 is engaged with the ratchet engagement pin 902 to prevent misalignment.

[0035] Working principle: When it is necessary to hoist the prefabricated house, pull out the limit rod pin 402 and the limit rod 301 in turn, adjust the distance between the two annular sliders 2, and after moving to the appropriate position, release the limit rod pin 402 and the limit rod 301, and the limit pin spring 403 and the return spring 302 push back the limit rod pin 402 and the limit rod 301 respectively, and clamp the annular slider 2 to the installation rod 101, turn the handwheel 7, and drive the splint 601 to clamp the wall panel inward along the guide rods 602 at both ends. During this process, the ratchet 801 is driven to rotate by the handwheel 7 through the limit pin 701, and the ratchet pin 902 is lifted. After clamping the wall panel, hoisting is carried out. During this process, the ratchet pin spring 903 pushes out the ratchet pin 902, and the ratchet 801 is stuck, thereby preventing the handwheel 7 from loosening and ensuring the working stability of the device.

[0036] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A special lifting device for assembling prefabricated houses, characterized by: The utility model comprises a mounting slide bar (1), two annular sliders (2) are symmetrically arranged at both ends of the bottom of the mounting slide bar (1), one side of the two annular sliders (2) is provided with an adjustment limit rod component (3), the other side of the annular sliders (2) is provided with a limit rod latch component (4), a clamping plate mounting seat (5) is provided at the bottom of the annular slider (2), a movable clamping plate (6) is provided inside the clamping plate mounting seat (5), a hand wheel (7) is provided on one side of the movable clamping plate (6), a spring ratchet component (8) is provided on the side of the hand wheel (7) close to the clamping plate mounting seat (5), and a ratchet latch component (9) is provided on one side of the spring ratchet component (8); The spring ratchet component (8) includes a ratchet (801), a clamping groove (802) is provided inside the ratchet (801), and a ratchet compression spring (803) is provided on one side of the ratchet (801).

2. The special lifting device for assembling prefabricated houses according to claim 1, characterized in that: The mounting slide bar (1) comprises a mounting rod (101), two hanging rings (102) are symmetrically arranged at both ends of the top of the mounting rod (101), an annular slide bar (103) is arranged at the bottom of the mounting rod (101), and a plurality of circular slots (104) are evenly spaced on the mounting rod (101), the two hanging rings (102) are fixedly connected to the mounting rod (101), and the annular slide bar (103) is fixedly connected to the mounting rod (101).

3. The special lifting device for assembling prefabricated houses according to claim 2, characterized in that: The top of the annular slider (2) is slidably connected to the annular slide bar (103), and the bottom of the annular slider (2) is fixedly connected to the clamping plate mounting seat (5).

4. The special lifting device for assembling prefabricated houses according to claim 3, characterized in that: The regulating limit rod component (3) comprises a limit rod (301), one end of the limit rod (301) is provided with a return spring (302), the other end of the limit rod (301) is clamped with the mounting rod (101) through a circular clamping groove (104), the limit rod (301) is slidably connected to the annular slider (2), one end of the return spring (302) is fixedly connected to the limit rod (301), and the other end of the return spring (302) is fixedly connected to the annular slider (2).

5. The special lifting device for assembling prefabricated houses according to claim 4, characterized in that: The limit rod bayonet component (4) comprises a limit rod bayonet mounting seat (401), a limit rod bayonet (402) is arranged inside the limit rod bayonet mounting seat (401), the limit rod bayonet mounting seat (401) is fixedly connected to the annular slider (2), a limit rod bayonet spring (403) is arranged at one end of the limit rod bayonet (402), the other end of the limit rod bayonet (402) is engaged with the limit rod (301), the limit rod bayonet (402) is slidably connected to the limit rod bayonet mounting seat (401), one end of the limit rod bayonet spring (403) is fixedly connected to the limit rod bayonet mounting seat (401), and the other end of the limit rod bayonet spring (403) is fixedly connected to the limit rod bayonet (402).

6. The special lifting device for assembling prefabricated houses according to claim 5, characterized in that: The movable splint (6) includes a splint (601), two guide rods (602) are symmetrically provided at both ends of the splint (601), the two guide rods (602) are slidably connected to the splint mounting seat (5), and the guide rods (602) are fixedly connected to the splint (601), and the ratchet pin component (9) includes a ratchet pin mounting seat (901), a ratchet pin (902) is provided inside the ratchet pin mounting seat (901), and the ratchet pin mounting seat (901) is fixedly connected to the splint mounting seat (5), and a ratchet pin spring (903) is provided at one end of the ratchet pin (902), and the ratchet pin (902) is slidably connected to the ratchet pin mounting seat (901), and one end of the ratchet pin spring (903) is fixedly connected to the ratchet pin mounting seat (901), and the other end of the ratchet pin spring (903) is fixedly connected to the ratchet pin (902).

7. The special lifting device for assembling prefabricated houses according to claim 6, characterized in that: The handwheel (7) is provided with a plurality of limit pins (701) that rotate evenly around the axis, one end of the handwheel (7) passes through the splint mounting seat (5) and is rotatably connected to the splint (601), the handwheel (7) is threadedly connected to the splint mounting seat (5), and the plurality of limit pins (701) are fixedly connected to the handwheel (7).

8. The special lifting device for assembling prefabricated houses according to claim 7, characterized in that: The ratchet (801) is engaged with the limit pin (701) through the engaging groove (802), the ratchet (801) is slidably connected to the handwheel (7), the outer side of the ratchet (801) is engaged with the ratchet engaging pin (902), one end of the ratchet pressing spring (803) is fixedly connected to the ratchet (801), and the other end of the ratchet pressing spring (803) is fixedly connected to the handwheel (7).