Novel Chinese style explosion-proof electric hoist

By introducing limit components and auxiliary components into the electric hoist, the problem of heavy objects swaying is solved, achieving higher stability and safety.

CN223632916UActive Publication Date: 2025-12-05HENAN PROVINCE HUANGHEFANGBAO CRANE CO LTD
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Patent Information

Application Number
CN202423231506.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-05
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

Existing electric hoists are prone to causing excessive swaying of heavy objects in the air due to external interference when lifting them, posing a safety hazard.

Method used

A new type of Chinese-style explosion-proof electric hoist was designed, which includes a limit component and an auxiliary component. The limit component prevents the hoisting rope from swaying significantly through the first and second limit rods and the reinforcing plate, while the auxiliary component improves stability through the slide groove and the slider.

Benefits of technology

This reduces the swaying amplitude of heavy objects during the lifting process, improves the stability and effectiveness of the device, and reduces safety hazards to ground workers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a new Chinese style explosion-proof electric hoist relates to electric hoist technical field, including body and fixed explosion-proof motor on body one side, the one side of body inner wall is rotatingly connected with wind-up roll, the surface of wind-up roll is fixedly connected with lifting rope, the bottom end of lifting rope is fixedly connected with lifting hook, the bottom end of lifting rope is fixedly connected with lifting hook. The bottom of the body is provided with a limiting assembly capable of preventing the lifting rope from shaking greatly, and the bottom of the body is provided with an auxiliary assembly capable of enhancing the stability degree of the limiting assembly. After the body is installed on hoisting equipment, the left-right swinging amplitude of a heavy object can be reduced through the limiting assembly when the heavy object is hoisted by the lifting hook and the lifting rope to move, and potential safety hazards caused by the fact that the swinging amplitude of the heavy object is too large due to the influence of strong wind or external factors after the heavy object is hoisted to workers on the ground are prevented. And by arranging the auxiliary assembly, the stability of the limiting assembly can be enhanced, so that the practicability and the using effect of the whole device are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric hoist technical field, especially in new Chinese formula explosion -proof electric hoist. BACKGROUND

[0002] Electric hoist is a kind of special lifting equipment, is installed on crown block, gantry crane, electric hoist has small volume, light weight, simple operation, convenient to use etc., is used in industrial and mining enterprises, warehouse, wharf etc., electric hoist is generally installed on single-beam crane, bridge crane, gantry crane and suspension crane, slightly modified, can also be used as winch.

[0003] Applicant finds that Chinese patent discloses "a kind of explosion -proof steel wire rope electric hoist" by searching, its publication number is "CN216549379U", the patent mainly through starting oil pump, oil in lubricating oil tank is lubricated to steel wire rope on winding roller by oil inlet pipe, oil outlet pipe, pipeline and pipe head, when steel wire rope is tightened, it is convenient to lubricate steel wire rope faster, avoid artificial lubrication time-consuming and laborious, thereby play the role of automatic lubrication, reach the purpose of automatic lubrication to steel wire rope;

[0004] The above device can achieve the effect of automatic lubrication of the steel wire rope through a series of structure settings, but the above device is easily disturbed by external factors such as wind blowing when lifting heavy objects in actual use, which can make the heavy object shake too much in the air, thereby causing great safety hazards to the ground workers. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new Chinese formula explosion -proof electric hoist to solve the problem that the above device is disturbed by external factors when used in actual use, and the heavy object shakes too much in the air, causing safety hazards to the ground workers.

[0006] To achieve the above object, the utility model provides the following technical scheme: a new Chinese formula explosion -proof electric hoist, including body and explosion -proof motor fixed on the body one side, the inner wall of the body one side is rotatably connected with winding roller, the surface of the winding roller is fixedly connected with lifting rope, the bottom of the lifting rope is fixedly connected with lifting hook, the bottom of the body is equipped with the limiting assembly that can prevent lifting rope from shaking greatly, the bottom of the body is equipped with the auxiliary assembly that can strengthen the stability degree of limiting assembly.

[0007] Preferably, the limiting assembly includes a first limiting rod, and the top end of the first limiting rod is fixedly connected with the bottom surface of the body.

[0008] Preferably, the limiting assembly further comprises a second limiting rod, an outer wall of the second limiting rod is in sliding connection with an inner wall of the first limiting rod, and the first limiting rod and the second limiting rod are both hollow rods and are located on an outer surface of the hoisting rope.

[0009] Preferably, the limiting assembly further comprises two reinforcing plates, top surfaces of the two reinforcing plates are both in fixed connection with a bottom surface of the body, and opposite surfaces of the two reinforcing plates are both in fixed connection with opposite surfaces of the first limiting rod.

[0010] Preferably, the limiting assembly further comprises a limiting plate and a fixing block, an outer wall of the limiting plate is in fixed connection with an inner wall of the second limiting rod, a surface of the limiting plate is provided with a limiting hole, an inner wall of the limiting hole is in rotary connection with a plurality of rolling balls, and an inner wall of the fixing block is in fixed connection with an outer wall of the hoisting rope.

[0011] Preferably, the auxiliary assembly comprises two sliding grooves, the two sliding grooves are both provided in the bottom surface of the body, opposite surfaces of inner walls of the two sliding grooves are both in common fixed connection with sliding rods, rod walls of the two sliding rods are both in sliding connection with sliding blocks, and bottom surfaces of the two sliding blocks are both in fixed connection with first connecting blocks.

[0012] Preferably, the auxiliary assembly further comprises two auxiliary rods, top ends of the two auxiliary rods are both in rotary connection with one surface of the corresponding first connecting block, bottom ends of the two auxiliary rods are both in rotary connection with second connecting blocks, and opposite surfaces of the two second connecting blocks are both in fixed connection with opposite surfaces of the second limiting rod.

[0013] Preferably, the top surface of the body is in fixed connection with a mounting shell, and opposite surfaces of an inner wall of the mounting shell are both provided with a plurality of pulleys.

[0014] The technical effects and advantages of the device are as follows: after the body is installed on the hoisting equipment, the limiting assembly can reduce the swinging range of the heavy object to the left and right when the hoisting hook and the hoisting rope hoist the heavy object, prevent the heavy object from swinging too much after being hoisted due to strong wind or external factors, and bring safety hazards to ground workers, and the setting of the auxiliary assembly can strengthen the stability of the limiting assembly, thereby improving the practicability and use effect of the device as a whole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a perspective structural schematic view of the device.

[0016] Figure 2 It is a front view partial cross-sectional structural schematic view of the device.

[0017] Figure 3 It is a perspective structural schematic view of the device. Figure 2 It is an enlarged structural schematic view of position A in the device. It is an enlarged structural schematic view of position A in the device.

[0018] Figure 4 For the utility model Figure 2 Amplification structure schematic view of B place.

[0019] Figure 5 For the utility model limit stop plate structure schematic view.

[0020] In the figure: 1, the main body;2, limit component;3, auxiliary component;4, installation shell;5, pulley;6, explosion-proof motor;7, lifting rope;8, lifting hook;9, winding roller;201, first limit rod;202, reinforcing plate;203, second limit rod;204, limit stop plate;205, ball;206, fixed block;207, limit hole;301, sliding groove;302, sliding rod;303, sliding block;304, first connecting block;305, auxiliary rod;306, second connecting block. Specific implementation

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Embodiment 1

[0023] As Figures 1 to 5 The utility model discloses a new Chinese-style explosion-proof electric hoist, including the main body 1 and the explosion-proof motor 6 fixed in the main body 1 one side, the inner wall of main body 1 one side is connected with winding roller 9, the surface of winding roller 9 is fixedly connected with lifting rope 7, the bottom of lifting rope 7 is fixedly connected with lifting hook 8, the bottom of main body 1 is equipped with the limit component 2 that can prevent lifting rope 7 to swing greatly, the bottom of main body 1 is equipped with the auxiliary component 3 that can strengthen the stability degree of limit component 2.

[0024] The above-mentioned embodiment reaches the technical effect for: through installing the main body 1 on hoisting equipment, through limit component 2 can reduce the amplitude of left and right swing of heavy object when lifting hook 8 and lifting rope 7 hoist heavy object, prevent heavy object from swinging too much after being hoisted due to the influence of strong wind or external factors, and bring the security risk to ground worker, and through the setting of auxiliary component 3 can strengthen the stability of limit component 2, thereby improve the practicability and use effect of the whole device.

[0025] Embodiment 2

[0026] As Figures 3 to 5As shown in

[0027] The technical effects reached by the above embodiment are that: by passing the lifting rope 7 through the inside of the first limiting rod 201 and the second limiting rod 203, when the lifting rope 7 and the lifting hook 8 lift the heavy object, although the body 1 moves on the hoisting equipment with the heavy object, the lifting rope 7 can avoid large swinging due to the action of the first limiting rod 201 and the second limiting rod 203, and the lifting rope 7 is located in the inside of the limiting hole 207, then the plurality of balls 205 in the inside of the limiting hole 207 can wrap the lifting rope 7, so that the lifting rope 7 can avoid friction with the inner wall of the second limiting rod 203 when moving downward or upward, thereby improving the service life of the lifting rope 7, and when the heavy object needs to be lifted, the fixed block 206 on the lifting rope 7 can drive the second limiting rod 203 to slide into the inside of the first limiting rod 201, and at the same time, the lifting rope 7 can still be limited.

[0028] Embodiment 3

[0029] As shown in Figure 2 and Figure 4 A new Chinese-style explosion-proof electric hoist, comprising the entire contents of embodiment 2, in addition, the auxiliary assembly 3 comprises two sliding grooves 301, the two sliding grooves 301 are both opened in the bottom surface of the body 1, the opposite side of the inner wall of each sliding groove 301 is fixedly connected with a sliding rod 302, the rod wall of the two sliding rods 302 is slidably connected with a sliding block 303, the bottom surface of the two sliding blocks 303 is fixedly connected with a first connecting block 304, the auxiliary assembly 3 further comprises two auxiliary rods 305, the top end of the two auxiliary rods 305 is rotatably connected with one side of the corresponding first connecting block 304, the bottom end of the two auxiliary rods 305 is rotatably connected with a second connecting block 306, the opposite side of the two second connecting blocks 306 is fixedly connected with the opposite side of the second limiting rod 203.

[0030] The technical effect achieved by the above embodiment is as follows: when the suspension rope 7 moves the weight upward and causes the second limiting rod 203 to slide into the first limiting rod 201, the two sliders 303 can slide to both sides on the corresponding sliding rods 302. Since the sliders 303 and the sliding rods 302 are in close contact, the second limiting rod 203 can maintain vertical upward movement when it retracts into the first limiting rod 201, avoiding the second limiting rod 203 from getting stuck due to the shaking of the weight, thereby improving the stability of the limiting component 2.

[0031] Example 4

[0032] like Figure 1 As shown, a new type of Chinese-style explosion-proof electric hoist includes all the contents of Embodiment 3. In addition, the top surface of the main body 1 is fixedly connected to the mounting shell 4, and multiple pulleys 5 are provided on opposite sides of the inner wall of the mounting shell 4.

[0033] The technical effect achieved by the above embodiments is that the main body 1 can be easily installed on the corresponding lifting equipment by means of the mounting shell 4 and the pulley 5.

[0034] 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 new Chinese-style explosion-proof electric hoist, comprising a body (1) and an explosion-proof motor (6) fixed on one side of the body (1), characterized in that: The inner wall of the body (1) is rotatably connected with a winding roller (9), the surface of the winding roller (9) is fixedly connected with a hanging rope (7), the bottom end of the hanging rope (7) is fixedly connected with a hook (8), the bottom of the body (1) is provided with a limiting assembly (2) capable of preventing the hanging rope (7) from shaking, and the bottom of the body (1) is provided with an auxiliary assembly (3) capable of enhancing the stability of the limiting assembly (2).

2. A new Chinese type explosion-proof electric hoist according to claim 1, characterized in that: The limiting assembly (2) comprises a first limiting rod (201), and the top end of the first limiting rod (201) is fixedly connected with the bottom surface of the body (1).

3. A new Chinese type explosion-proof electric hoist according to claim 2, characterized in that: The limiting assembly (2) further comprises a second limiting rod (203), and the outer wall of the second limiting rod (203) is slidably connected with the inner wall of the first limiting rod (201); the second limiting rod (203) and the first limiting rod (201) are both hollow rods and are located on the outer surface of the hanging rope (7).

4. A new Chinese type explosion-proof electric hoist according to claim 3, characterized in that: The limiting assembly (2) further comprises two reinforcing plates (202), the top surfaces of the two reinforcing plates (202) are both fixedly connected with the bottom surface of the body (1), and the opposite surfaces of the two reinforcing plates (202) are both fixedly connected with the opposite surfaces of the first limiting rod (201).

5. A new Chinese type explosion-proof electric hoist according to claim 4, characterized in that: The limiting assembly (2) further comprises a limiting plate (204) and a fixed block (206), the outer wall of the limiting plate (204) is fixedly connected with the inner wall of the second limiting rod (203), the surface of the limiting plate (204) is provided with a limiting hole (207), the inner wall of the limiting hole (207) is rotatably connected with a plurality of ball bearings (205), and the inner wall of the fixed block (206) is fixedly connected with the outer wall of the hanging rope (7).

6. A new Chinese type explosion-proof electric hoist according to claim 1, characterized in that: The auxiliary assembly (3) comprises two sliding grooves (301), the two sliding grooves (301) are both formed in the bottom surface of the body (1), the opposite surfaces of the inner walls of the two sliding grooves (301) are both fixedly connected with a sliding rod (302), the rod walls of the two sliding rods (302) are both slidably connected with a sliding block (303), and the bottom surfaces of the two sliding blocks (303) are both fixedly connected with a first connecting block (304).

7. A new Chinese type explosion-proof electric hoist according to claim 6, characterized in that: The auxiliary assembly (3) further comprises two auxiliary rods (305), the top ends of the two auxiliary rods (305) are rotatably connected with the opposite surfaces of the corresponding first connecting blocks (304), the bottom ends of the two auxiliary rods (305) are rotatably connected with a second connecting block (306), and the opposite surfaces of the two second connecting blocks (306) are both fixedly connected with the opposite surfaces of the second limiting rod (203).

8. A new Chinese type explosion-proof electric hoist according to claim 1, characterized in that: The top surface of the body (1) is fixedly connected with a mounting shell (4), and the opposite surfaces of the inner walls of the mounting shell (4) are both provided with a plurality of pulleys (5).

Citation Information

Patent Citations

  • Explosion-proof steel wire rope electric hoist

    CN216549379U