Electric hoist with quick guide mechanism
By installing a quick-guide mechanism and spraying lubricating oil on the electric hoist, the problem of chain swaying during traditional electric hoist lifting has been solved, improving lifting accuracy and work efficiency, and extending the service life of the equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG BONENG HOISTING TECH CO LTD
- Filing Date
- 2025-07-15
- Publication Date
- 2026-07-03
AI Technical Summary
Traditional electric hoists suffer from severe chain swaying and tilting during lifting due to load fluctuations, track deviations, or operational errors. This causes the hook to deviate from the target position, requiring repeated adjustments and impacting work efficiency.
A quick-guide mechanism is adopted, which uses an electric telescopic rod and guide pulleys to limit and guide the lifting chain, and lubricating oil is sprayed on the lifting chain to reduce swaying and improve work efficiency.
It effectively prevents the lifting chain from swinging and tilting, improves lifting accuracy and work efficiency, and at the same time delays chain corrosion and extends service life.
Smart Images

Figure CN224450119U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of electric hoists, specifically an electric hoist with a rapid guiding mechanism. Background Technology
[0002] An electric hoist is a lifting device installed on overhead cranes and gantry cranes. Electric hoists are characterized by their small size, light weight, simple operation, and ease of use, and are used in industrial and mining enterprises, warehouses, docks, and other locations. However, traditional electric hoists suffer from chain swaying and tilting during lifting due to load fluctuations, track deviations, or operational errors. This can easily cause the hook to deviate from the target position, requiring repeated adjustments and impacting work efficiency. Utility Model Content
[0003] The purpose of this utility model is to provide an electric hoist with a fast guiding mechanism to solve the problem mentioned in the background art that, during the lifting process of traditional electric hoists, due to load swaying, track deviation, or operational errors, the chain sways and tilts severely, which easily leads to the hook deviating from the target position, requiring repeated adjustments and affecting work efficiency.
[0004] To achieve the above objectives, this utility model provides the following technical solution: an electric hoist with a rapid guiding mechanism, comprising an electric hoist body, a hoist frame fixedly connected to the top of the electric hoist body, a mounting top frame fixedly connected to the top of the hoist frame, a main motor located in the middle of the electric hoist body, a roller fixedly mounted at the output end of the main motor, a hoisting chain wound around the surface of the roller, a lifting wheel hooked to the bottom of the hoisting chain, a first guiding mechanism fixedly mounted on one side of the bottom of the electric hoist body, and a second guiding mechanism fixedly mounted on the other side of the bottom of the electric hoist body. Both the first and second guiding mechanisms include an electric telescopic rod and a movable frame fixedly connected to the output end of the electric telescopic rod. Rotary shafts are rotatably connected to both sides of the inner wall of the movable frame, a guide pulley is fixedly mounted in the middle of the rotating shaft, the hoisting chain is positioned between the two guide pulleys, a top storage box is fixedly mounted on the top of the mounting top frame, an oil pump is fixedly mounted inside the top storage box, the output end of the oil pump is connected to a supply pipe, and an oil nozzle is fixedly mounted at one end of the supply pipe.
[0005] As a preferred technical solution of this utility model, the main motor and the electric telescopic rod are both electrically connected to an external power supply through an external controller, which facilitates the control of the electric hoist body and the electric telescopic rod.
[0006] As a preferred technical solution of this utility model, a lifting hook is fixedly installed at the bottom of the lifting wheel, one end of the lifting chain is wound and connected to the surface of the drum, and the other end of the lifting chain is wound and connected to one side of the electric hoist body.
[0007] As a preferred technical solution of this utility model, a fixed rod is fixedly connected to one side of the electric telescopic rod, and the top of the fixed rod is fixedly connected to the bottom of the electric hoist body.
[0008] As a preferred technical solution of this utility model, the oil pump is fixedly connected to the bottom of the inner wall of the top storage box, and the top of the top storage box is threadedly connected with a feeding cover to facilitate feeding material into the top storage box.
[0009] As a preferred technical solution of this utility model, the end of the supply pipe away from the oil pump is fixedly connected to the oil injector, and the output end of the oil injector corresponds to the top of the drum, so that the oil injector can easily spray lubricating oil onto the lifting chain on the drum.
[0010] Compared with the prior art, the beneficial effects of this utility model are:
[0011] During operation, the lifting chain on both sides is located inside the moving frames of the first and second guide mechanisms, specifically between two guide pulleys within the moving frames. During operation, the electric telescopic rod, activated by the oil pump, horizontally pulls the moving frame. The moving frame and guide pulleys limit and guide the lifting chain, preventing excessive swinging or tilting that could affect the lifting operation and improving worker efficiency. Furthermore, activating the oil pump extracts lubricating oil from the top storage box and sprays it onto the surface of the rollers through the supply pipe and nozzles, lubricating the lifting chain and facilitating maintenance while delaying corrosion and rust. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the structure of this utility model;
[0013] Figure 2 This is a structural diagram of the first guiding mechanism of this utility model;
[0014] Figure 3 This is a connection structure diagram of the movable frame of this utility model;
[0015] Figure 4 This is a structural diagram of the top storage box of this utility model.
[0016] In the diagram: 1. Electric hoist body; 2. Lifting frame; 3. Mounting top frame; 4. Main motor; 5. Drum; 6. Lifting chain; 7. Lifting wheel; 8. Lifting hook; 9. First guide mechanism; 10. Second guide mechanism; 11. Fixed rod; 12. Electric telescopic rod; 13. Moving frame; 14. Rotating shaft; 15. Guide pulley; 16. Top storage box; 17. Oil pump; 18. Supply pipe; 19. Oil injector; 20. Feed cover. Detailed Implementation
[0017] 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.
[0018] Please see Figure 1-4 This utility model provides an electric hoist with a rapid guiding mechanism, including an electric hoist body 1, a lifting frame 2 fixedly connected to the top of the electric hoist body 1, a mounting top frame 3 fixedly connected to the top of the lifting frame 2, a main motor 4 located in the middle of the electric hoist body 1, a roller 5 fixedly installed at the output end of the main motor 4, a lifting chain 6 wound around the surface of the roller 5, a lifting wheel 7 hooked to the bottom of the lifting chain 6, a first guiding mechanism 9 fixedly installed on one side of the bottom of the electric hoist body 1, and a second guiding mechanism 10 fixedly installed on the other side of the bottom of the electric hoist body 1. The first guide mechanism 9 and the second guide mechanism 10 both include an electric telescopic rod 12 and a movable frame 13 fixedly connected to the output end of the electric telescopic rod 12. The inner walls of the movable frame 13 are rotatably connected to both sides of a rotating shaft 14. A guide pulley 15 is fixedly installed in the middle of the rotating shaft 14. The hoisting chain 6 is located between the two guide pulleys 15. A top storage box 16 is fixedly installed on the top of the mounting frame 3. An oil pump 17 is fixedly installed inside the top storage box 16. The output end of the oil pump 17 is connected to a supply pipe 18. An oil nozzle 19 is fixedly installed at one end of the supply pipe 18.
[0019] See Figure 1-4 The main motor 4 and the electric telescopic rod 12 are both electrically connected to an external power supply through an external controller. A lifting hook 8 is fixedly installed at the bottom of the lifting wheel 7. One end of the lifting chain 6 is wound and connected to the surface of the drum 5, and the other end of the lifting chain 6 is wound and connected to one side of the electric hoist body 1. A fixed rod 11 is fixedly connected to one side of the electric telescopic rod 12, and the top of the fixed rod 11 is fixedly connected to the bottom of the electric hoist body 1.
[0020] In this embodiment, the two sides of the hoisting chain 6 are respectively located inside the movable frame 13 of the first guide mechanism 9 and the second guide mechanism 10, specifically between the two guide pulleys 15 inside the movable frame 13. During use, the electric telescopic rod 12 can be started by the oil pump 17 to pull the movable frame 13 horizontally. The movable frame 13 and the guide pulleys 15 can limit and guide the hoisting chain 6.
[0021] See Figure 1-4The oil pump 17 is fixedly connected to the bottom of the inner wall of the top storage box 16. The top of the top storage box 16 is threadedly connected to the feed cover 20. The end of the supply pipe 18 away from the oil pump 17 is fixedly connected to the oil nozzle 19. The output end of the oil nozzle 19 corresponds to the top of the roller 5.
[0022] In this embodiment, by starting the oil pump 17, the lubricating oil stored inside the top storage box 16 can be extracted and sprayed onto the surface of the roller 5 through the supply pipe 18 and the oil nozzle 19 to spray lubricate the lifting chain 6, which facilitates the lubrication and maintenance of the chain.
[0023] In practical use, this utility model provides an electric hoist with a rapid guiding mechanism. During operation, the main motor 4 drives the drum 5 to rotate, enabling the winding and unwinding of the lifting chain 6. This allows the lifting wheel 7 to rise or fall, completing the lifting operation. The two sides of the lifting chain 6 are located inside the moving frame 13 of the first guiding mechanism 9 and the second guiding mechanism 10, specifically between two guide pulleys 15 inside the moving frame 13. During operation, the electric telescopic rod 12 is activated by the oil pump 17 to horizontally pull the moving frame 13. The moving frame 13 and the guide pulleys 15 limit and guide the lifting chain 6, preventing excessive swinging and tilting of the lifting chain 6 from affecting the lifting operation and improving the work efficiency of personnel. In addition, during operation, the oil pump 17 can extract the lubricating oil stored in the top storage box 16 and spray it onto the surface of the drum 5 through the supply pipe 18 and the oil nozzle 19 to lubricate the lifting chain 6, facilitating chain lubrication and maintenance and delaying corrosion and rust.
[0024] Although the present invention 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 invention should be included within the protection scope of the present invention.
Claims
1. An electric hoist with a quick guide mechanism, comprising an electric hoist body (1), characterized in that, A hoist body (1) is fixedly connected to a lifting frame (2) at its top, and a mounting frame (3) is fixedly connected to the top of the hoist frame (2). A main motor (4) is provided in the middle of the hoist body (1). A roller (5) is fixedly installed at the output end of the main motor (4). A hoisting chain (6) is wound around the surface of the roller (5). A lifting wheel (7) is attached to the bottom of the hoisting chain (6). A first guide mechanism (9) is fixedly installed on one side of the bottom of the hoist body (1), and a second guide mechanism (10) is fixedly installed on the other side of the bottom of the hoist body (1). The first guide mechanism (9) and the second guide mechanism (10) are fixedly connected to the hoist body (1). 10) Each includes an electric telescopic rod (12) and a movable frame (13) fixedly connected to the output end of the electric telescopic rod (12). The inner walls of the movable frame (13) are rotatably connected to two sides of a rotating shaft (14). A guide pulley (15) is fixedly installed in the middle of the rotating shaft (14). The hoisting chain (6) is located between the two guide pulleys (15). A top storage box (16) is fixedly installed on the top of the mounting frame (3). An oil pump (17) is fixedly installed inside the top storage box (16). The output end of the oil pump (17) is connected to a supply pipe (18). An oil nozzle (19) is fixedly installed at one end of the supply pipe (18).
2. The electric hoist according to claim 1, characterized in that The main motor (4) and the electric telescopic rod (12) are both electrically connected to an external power source through an external controller.
3. The electric hoist according to claim 1, characterized in that, The bottom of the lifting wheel (7) is fixedly installed with a lifting hook (8), one end of the lifting chain (6) is wound and connected to the surface of the drum (5), and the other end of the lifting chain (6) is wound and connected to one side of the electric hoist body (1).
4. The electric hoist according to claim 1, characterized in that: A fixed rod (11) is fixedly connected to one side of the electric telescopic rod (12), and the top of the fixed rod (11) is fixedly connected to the bottom of the electric hoist body (1).
5. The electric hoist according to claim 1, characterized in that, The oil pump (17) is fixedly connected to the bottom of the inner wall of the top storage box (16), and the top of the top storage box (16) is threadedly connected to a feeding cover (20).
6. The electric hoist according to claim 1, characterized in that, The end of the supply pipe (18) away from the oil pump (17) is fixedly connected to the nozzle (19), and the output end of the nozzle (19) corresponds to the top of the roller (5).