Rapid hoisting equipment for artificial cofferdams for dike reinforcement

By combining components such as L-shaped support arms and an intelligent control system, the problems of difficult transportation and cumbersome operation of existing equipment have been solved, enabling efficient hoisting and safe operation of artificial cofferdams for dike reinforcement and improving construction efficiency.

CN224430018UActive Publication Date: 2026-06-30YUEYANG WATER CONSERVANCY WATER & ELECTRICITY RECONNAISSANCE & DESIGN INST

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUEYANG WATER CONSERVANCY WATER & ELECTRICITY RECONNAISSANCE & DESIGN INST
Filing Date
2025-07-08
Publication Date
2026-06-30

AI Technical Summary

Technical Problem

Existing outdoor hoisting equipment is bulky, difficult to transport, inconvenient to move on site, and cumbersome to operate. It cannot meet the needs of efficient hoisting of multiple batches of components, increasing manpower consumption and construction risks.

Method used

The system employs a combination of L-shaped support arm, L-shaped mounting plate, lifting host, cantilever, folding arm, rotary drum, movable connectors and rotating rod. It features a 360-degree rotating boom design and a folding boom, and is equipped with a movable grab lifting basket and intelligent control system to achieve flexible operation and efficient lifting.

Benefits of technology

It improves the ease of transporting hoisting equipment and the efficiency of on-site deployment, saves manpower, ensures operational safety, and enhances construction efficiency and emergency response capabilities.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a rapid hoisting device for artificial cofferdams used for dike reinforcement, including a support column. A roller base is installed at the bottom of the support column, and an L-shaped support arm is installed at the top of the support column. A rotating shaft is installed between the support column and the L-shaped support arm. A cantilever is fixedly installed on the inner side of the top of the L-shaped support arm. An L-shaped mounting plate is fixedly welded to one end of the cantilever, and a lifting host is installed at the top of the L-shaped mounting plate. Through the combination of the L-shaped support arm, L-shaped mounting plate, lifting host, cantilever, folding arm, rotating drum, movable connecting parts, and rotating rod, the hoist can be rotated 360 degrees by personnel, facilitating flexible use of the hoisting equipment to lift materials. The folding arm design saves space, reducing manpower and effectively improving handling efficiency when frequently moving materials for artificial cofferdams used for dike reinforcement. The hoisting device has safety functions such as preventing accidental collisions, overload protection, anti-rebound, and power failure protection, effectively protecting the safety of operators.
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Description

Technical Field

[0001] This utility model relates to the field of rapid hoisting technology, and in particular to rapid hoisting equipment for artificial cofferdams used in dike reinforcement. Background Technology

[0002] In dike reinforcement projects, artificial cofferdams, as temporary hydraulic structures, are widely used to deal with sudden emergencies such as floods, piping, and landslides. The rapid construction of artificial cofferdams is crucial for the timeliness and safety of emergency response; therefore, the efficient hoisting and precise placement of cofferdam components are core aspects of dike reinforcement operations.

[0003] However, existing outdoor hoisting equipment generally suffers from problems such as large size, difficult transportation, and inconvenient on-site movement, which limits its application flexibility in narrow and complex terrains such as embankments. At the same time, existing equipment requires frequent manual operation and cumbersome adjustment methods during hoisting, which cannot meet the operational needs of multiple batches of components, frequent handling, and high-efficiency deployment, greatly increasing manpower consumption and construction risks.

[0004] Therefore, there is an urgent need to develop a rapid hoisting equipment for artificial cofferdams used in dike reinforcement that is compact in structure, flexible in operation, efficient in hoisting, and easy to transport and deploy on site, so as to improve emergency response capabilities and construction efficiency. Utility Model Content

[0005] To overcome the shortcomings of existing technologies, this utility model provides a rapid hoisting device for artificial cofferdams used in dike reinforcement. Through the combination of an L-shaped support arm, an L-shaped mounting plate, a lifting host, a cantilever, a folding arm, a rotating drum, movable connecting parts, and a rotating rod, the hoist can be rotated 360 degrees by personnel, making it convenient for personnel to flexibly use the hoisting equipment to lift materials. The folding arm design saves more space and saves manpower when frequently moving materials for artificial cofferdams used in dike reinforcement, effectively improving the efficiency of handling.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a rapid hoisting device for artificial cofferdams for dike reinforcement, comprising a support column, a roller base installed at the bottom of the support column, an L-shaped support arm installed at the top of the support column, a rotating shaft installed between the support column and the L-shaped support arm, a cantilever fixedly installed on the inner side of the top of the L-shaped support arm, an L-shaped mounting plate fixedly welded to one end of the cantilever, a lifting host installed at the top of the L-shaped mounting plate, and a rotating cylinder fixedly welded longitudinally to the other end of the cantilever, with a rotating cylinder installed on the inner side of the rotating cylinder. The device includes a rotating rod with a movable connecting piece fitted on its surface. A folding arm is mounted on one end of the movable connecting piece, and a lifting protective cover is fixedly mounted on one end of the folding arm. A corrugated air pipe is mounted on the bottom of the lifting protective cover. A lifting wheel for winding a lifting wire rope is located inside the lifting protective cover. One end of the lifting wire rope is mounted inside the hoisting host, and the corrugated air pipe is wound around the outside of the lifting wire rope. A control handle is mounted on the bottom of the lifting wire rope, and a hook is mounted on the bottom of the control handle. A movable grabbing lifting basket is hung at the bottom of the hook.

[0007] As a preferred embodiment of this utility model, the movable gripping and lifting basket includes a movable claw frame and a U-shaped placement frame. A crossbeam is provided at the top of the movable claw frame, and a hanging ring is provided at the center of the top of the crossbeam. Limiting sleeves are symmetrically welded to both sides of the crossbeam. Limiting columns are fitted inside the limiting sleeves, and a support frame is welded to the bottom of the limiting columns. U-shaped connectors are fixedly provided on the bottom surfaces of both sides of the crossbeam. Two auxiliary support rods are movably connected to the inner bottom of the U-shaped connectors, and the center of the bottom of the auxiliary support rods is movable via bolts. The support frame is equipped with a slanted support arm. Cross grooves are symmetrically opened on both sides of the support frame. The bottom end of the slanted support arm is installed at the center of the support frame by limiting bolts. Connecting blocks are provided on both sides of the cross groove. The bottom end of the auxiliary support rod is limited and installed inside the cross groove by bolts through the two connecting blocks. A protective frame is welded to the bottom end of the auxiliary support rod. The inner wall of the bottom end of the protective frame is evenly provided with locking blocks. A U-shaped placement frame is provided on the inner side of the bottom end of the movable grabbing lifting basket. The U-shaped placement frame has locking holes on both sides corresponding to the positions of the locking blocks.

[0008] As a preferred technical solution of this utility model, the surface of the control handle is provided with a touch screen, a setting button, and an emergency stop button. The control handle is a coaxial sliding handle and includes a handle control board, a display board, a handle slip ring, a differential sensor, and an infrared sensor. The control handle has a floating mode and a handle mode.

[0009] As a preferred technical solution of this utility model, the lifting host adopts a servo motor drive system and a precision planetary gear reducer.

[0010] As a preferred embodiment of this invention, the intelligent control system of the control handle integrates sensors, a microprocessor, and a communication module.

[0011] As a preferred embodiment of this utility model, adjustable support feet are installed at the four corners of the roller base, and a pull rod is fixedly installed on one side of the top of the roller base.

[0012] Compared with the prior art, the beneficial effects that this utility model can achieve are:

[0013] 1. Through the combination of L-shaped support arm, L-shaped mounting plate, lifting host, cantilever, folding arm, rotary drum, movable connecting parts and rotating rod, the boom can be rotated 360 degrees by personnel, which is convenient for personnel to use the lifting equipment to lift materials flexibly. The folding boom design saves more space and saves manpower when frequently moving materials for dike reinforcement and artificial cofferdam construction, effectively improving the handling efficiency. The lifting device has safety functions such as protection against accidental collision, overload protection, anti-rebound and power failure protection, which can effectively protect the safety of operators. At the same time, it has intelligent functions such as stepless speed change, electronic limit, photoelectric sensing and suspension mode. Personnel can easily issue various lifting commands through touch screen or operating handle.

[0014] 2. By setting up a movable grab lifting basket, personnel can quickly use the movable grab lifting basket to clamp and transport materials placed inside the U-shaped placement frame by controlling the control handle at the bottom of the lifting wire rope. The materials placed inside the U-shaped placement frame are not easy to fall off, saving personnel the time of binding materials and improving lifting efficiency. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Figure 2 This is a front sectional view of the hanger structure of this utility model;

[0017] Figure 3 This is a top view of the hanger structure of this utility model.

[0018] The components include: 1. Support column; 2. Roller base; 3. Adjustable support foot; 4. Tie rod; 5. Rotary shaft; 6. L-shaped support arm; 7. Lifting main unit; 8. Cantilever; 9. Folding arm; 10. Lifting protective cover; 11. Corrugated air pipe; 12. Lifting wire rope; 13. Control handle; 14. Hook; 15. Movable grab lifting basket; 16. Rotary drum; 17. Movable connector; 18. L-shaped mounting plate; 19. Hanging ring; 20. Crossbeam; 21. Support frame; 22. U-shaped connector; 23. Limiting sleeve; 24. Threaded column; 25. Auxiliary support rod; 26. Diagonal support arm; 27. Cross groove; 28. Connecting block; 29. ​​Protective frame; 30. U-shaped placement rack. Detailed Implementation

[0019] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments. However, the following embodiments are merely preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the implementation are all within the protection scope of this utility model without creative effort.

[0020] For an example, please refer to... Figure 1 As shown, this utility model provides a rapid hoisting device for artificial cofferdams used for dike reinforcement, including a support column 1, a roller base 2 installed at the bottom of the support column 1, an L-shaped support arm 6 installed at the top of the support column 1, a rotating shaft 5 installed between the support column 1 and the L-shaped support arm 6, a cantilever 8 fixedly installed on the inner side of the top of the L-shaped support arm 6, an L-shaped mounting plate 18 fixedly welded to one end of the cantilever 8, a lifting host 7 installed at the top of the L-shaped mounting plate 18, a rotating cylinder 16 fixedly welded longitudinally to the other end of the cantilever 8, a rotating rod installed on the inner side of the rotating cylinder 16, a movable connecting piece 17 sleeved on the surface of the rotating rod, a folding arm 9 installed at one end of the movable connecting piece 17, a lifting protective cover 10 fixedly installed at one end of the folding arm 9, and a corrugated air pipe 11 installed at the bottom of the lifting protective cover 10. The inner side of the protective cover 10 is equipped with a lifting wheel for winding the lifting wire rope 12. One end of the lifting wire rope 12 is installed inside the hoisting host 7. The corrugated air pipe 11 is wound around the outside of the lifting wire rope 12. A control handle 13 is installed at the bottom of the lifting wire rope 12. A hook 14 is installed at the bottom of the control handle 13. A movable grab lifting basket 15 is hung at the bottom of the hook 14. Through the combination of L-shaped support arm 6, L-shaped mounting plate 18, hoisting host 7, cantilever 8, folding arm 9, rotating drum 16, movable connecting part 17 and rotating rod, the boom can be rotated 360 degrees by personnel, which is convenient for personnel to use the hoisting equipment to lift materials flexibly. The folding boom design saves more space and saves manpower when frequently moving materials for the artificial cofferdam for dike reinforcement and hazard removal, effectively improving the handling efficiency.

[0021] like Figure 2 , Figure 3As shown, the movable grabbing lifting basket 15 includes a movable claw frame and a U-shaped placement frame 30. A crossbeam 20 is installed at the top of the movable claw frame, and a hanging ring 19 is installed at the center of the top of the crossbeam 20. Limiting sleeves 23 are symmetrically welded to both sides of the crossbeam 20. Limiting columns 24 are fitted inside the limiting sleeves 23. A support frame 21 is welded to the bottom of the limiting columns 24. U-shaped connectors 22 are fixedly installed on the bottom surfaces of both sides of the crossbeam 20. Two auxiliary support rods 25 are movably connected to the inner bottom of the U-shaped connectors 22. An inclined support arm 26 is movably installed at the center of the bottom of the auxiliary support rods 25 via bolts. Cross grooves 27 are symmetrically opened on both sides of the support frame 21. The bottom of the inclined support arm 26 is installed at the center of the support frame 21 via limiting bolts. Connecting blocks 28 are provided on both sides of the auxiliary support rod 25. The bottom end of the auxiliary support rod 25 is bolted through the two connecting blocks 28 and limited to the inside of the cross groove 27. A protective frame 29 is welded to the bottom end of the auxiliary support rod 25. The inner wall of the bottom end of the protective frame 29 is evenly provided with locking blocks. A U-shaped placement frame 30 is provided on the inner side of the bottom end of the movable grab lifting basket 15. The U-shaped placement frame 30 has locking holes on both sides corresponding to the positions of the locking blocks. By setting up the movable grab lifting basket 15, personnel can quickly use the movable grab lifting basket 15 to clamp and transport the materials placed inside the U-shaped placement frame 30 by controlling the control handle 13 at the bottom end of the lifting wire rope 12. The materials placed inside the U-shaped placement frame 30 are not easy to fall off, saving personnel the time of binding materials and improving lifting efficiency.

[0022] like Figure 1 As shown, the control handle 13 is equipped with a touch screen, a setting button, and an emergency stop button. The control handle 13 is a coaxial sliding handle and includes a handle control board, a display board, a handle slip ring, a differential sensor, and an infrared sensor. The control handle 13 has a suspension mode and a handle mode. By installing the control handle 13 at the bottom of the lifting wire rope 12, the control handle 13 has safety functions such as preventing accidental contact, overload protection, anti-rebound, and power failure protection, which can effectively protect the safety of operators. At the same time, it has intelligent functions such as stepless speed regulation, electronic limit, photoelectric sensing, and suspension mode. Personnel can easily issue various hoisting commands through the touch screen or the operating handle.

[0023] like Figure 1 As shown, the lifting host 7 adopts a servo motor drive system and a precision planetary gear reducer; through the combination of the servo motor drive system and the precision planetary gear reducer, the lifting speed is fast and the positioning is more accurate.

[0024] like Figure 1 As shown, the intelligent control system of the control handle 13 integrates sensors, a microprocessor, and a communication module.

[0025] like Figure 1 As shown, adjustable support feet 3 are installed at the four corners of the roller base 2, and a pull rod 4 is fixedly installed on one side of the top of the roller base 2.

[0026] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A rapid hoisting device for artificial cofferdams used for dike reinforcement, comprising support columns (1), characterized in that, The bottom end of the support column (1) is equipped with a roller base (2), the top end of the support column (1) is equipped with an L-shaped support arm (6), a rotating shaft (5) is installed between the support column (1) and the L-shaped support arm (6), and a cantilever (8) is fixedly installed on the inner side of the top end of the L-shaped support arm (6). One end of the cantilever (8) is fixedly welded with an L-shaped mounting plate (18), and a lifting host (7) is installed on the top of the L-shaped mounting plate (18). The other end of the cantilever (8) is fixedly welded with a rotating drum (16). A rotating rod is installed inside the rotating drum (16). A movable connecting piece (17) is sleeved on the surface of the rotating rod. A folding arm (9) is installed at one end of the movable connecting piece (17). A lifting protective cover (10) is fixedly installed at one end of the folding arm (9). A corrugated air pipe (11) is installed at the bottom of the lifting protective cover (10). A lifting wheel for winding the lifting wire rope (12) is provided inside the lifting protective cover (10). One end of the lifting wire rope (12) is installed inside the hoisting host (7), the corrugated air pipe (11) is wrapped around the outside of the lifting wire rope (12), a control handle (13) is installed at the bottom end of the lifting wire rope (12), a hook (14) is installed at the bottom end of the control handle (13), and a movable grabbing lifting basket (15) is hung at the bottom end of the hook (14).

2. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 1, characterized in that, The movable grabbing and lifting basket (15) includes a movable claw frame and a U-shaped placement frame (30). A crossbeam (20) is provided at the top of the movable claw frame. A hanging ring (19) is provided at the center of the top of the crossbeam (20). Limiting sleeves (23) are symmetrically welded on both sides of the crossbeam (20). A limiting column (24) is sleeved inside the limiting sleeve (23). A support frame (21) is welded to the bottom of the limiting column (24).

3. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 2, characterized in that, U-shaped connectors (22) are fixedly installed on the bottom surfaces of both sides of the crossbeam (20). Two auxiliary support rods (25) are movably connected to the inner side of the bottom of the U-shaped connectors (22). An inclined support arm (26) is movably installed at the center of the bottom of the auxiliary support rods (25) by bolts. Cross grooves (27) are symmetrically opened on both sides of the support frame (21). The bottom of the inclined support arm (26) is installed at the center of the support frame (21) by limiting bolts.

4. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 3, characterized in that, Connecting blocks (28) are provided on both sides of the cross slide (27). The bottom end of the auxiliary support rod (25) is fixedly installed inside the cross slide (27) by bolts through the two connecting blocks (28). A protective frame (29) is welded to the bottom end of the auxiliary support rod (25). The inner wall of the bottom end of the protective frame (29) is evenly provided with locking blocks. A U-shaped placement frame (30) is provided on the inner side of the bottom end of the movable grab lifting basket (15). The U-shaped placement frame (30) has locking holes on both sides corresponding to the locking block positions.

5. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 1, characterized in that, The control handle (13) is provided with a touch screen, a setting button and an emergency stop button on its surface. The control handle (13) is a coaxial sliding handle. The control handle (13) includes a handle control board, a display board, a handle slip ring, a differential sensor and an infrared sensor. The control handle (13) has a floating mode and a handle mode.

6. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 1, characterized in that, The lifting host (7) adopts a servo motor drive system and a precision planetary gear reducer.

7. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 1, characterized in that, The intelligent control system of the control handle (13) integrates sensors, microprocessors and communication modules.

8. The rapid hoisting equipment for artificial cofferdams for dike reinforcement according to claim 1, characterized in that, Adjustable support feet (3) are installed at the four corners of the roller base (2), and a pull rod (4) is fixedly installed on one side of the top of the roller base (2).