Winch self-locking device

By designing a winch self-locking device including a locker, a rope mechanism, a speed detector, an overload protector and a barrier, the problem of unstable gear switching of the two-speed winch is solved, and a more reliable locking is achieved, which reduces accident hazards and maintenance costs and improves production safety.

CN222729376UActive Publication Date: 2025-04-08NINGXIA BAOFENG GROUP HONGSI COAL CO LTD
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Patent Information

Application Number
CN202421542551.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-02
Publication Date
2025-04-08
Estimated Expiration
2034-07-02

AI Technical Summary

Technical Problem

In the auxiliary transportation of the mine, the gear switching of the two-speed winch is unstable, resulting in the possibility of a neutral sports car or gearbox breakage accident in the winch, which increases the workload and accident hazards and reduces production safety.

Method used

A winch self-locking device is designed, including a locker, a rope mechanism, a speed detector, an overload protector and a barrier. The rope outlet speed of the twisted rope is monitored by a speed detector. When the speed exceeds the preset threshold, the overload protector melts the fuse, causing the locker to close, causing the winch to lock itself, and the barrier plate contacts the winch, providing barrier force.

Benefits of technology

The gear locking is more reliable, avoiding damage to the neutral sports car and mechanical parts of the winch, simplifying the maintenance and replacement process, reducing workload and accident hazards, and improving the safety of winch use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application discloses a winch self-locking device, which relates to the field of mining technology. The device includes a locker, a guide rope mechanism, a speedometer, an overload protector and a blocking plate; the locker includes a left locking cover, a right locking cover and a hinge, the guide rope mechanism also includes an upper guide rope member and a lower guide rope member, the upper guide rope member and the lower guide rope member both include a left guide rope cover and a right guide rope cover, one side of the left locking cover is movably connected to one side of the right locking cover by a hinge, and a first guide rope hole is formed after the left guide rope cover and the corresponding right guide rope cover are closed; the inner wall of the right locking cover is evenly provided with a plurality of fuse buckles, the inner wall of the left locking cover is provided with a slot corresponding to each fuse buckle, the overload protector is arranged at the bottom of the lower guide rope member, the overload protector is connected to each fuse buckle, the speedometer is arranged on the overload protector, and the winch is connected with a blocking plate. The present application can make the gear locking more reliable, and it is not easy to cause the winch to run away in neutral and damage the mechanical part, and it is more convenient to maintain and replace.
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Description

Technical Field

[0001] The present application relates to the field of mining technology, and in particular to a winch self-locking device. Background Art

[0002] At present, in the auxiliary transportation of mines, due to environmental and human factors, especially the needs of on-site work, it is often necessary to switch the gear of the two-speed winch. However, vibration occurs when the winch is running, causing the gear handle to slide to the neutral position or the meshing gear to contact 1 / 2, so that the gear may not reach the lock hole position after the gear is switched, causing a running car accident or a gearbox broken gear accident, which brings many problems to the mine; after the Tong Shizai equipment was damaged, a large amount of manpower was invested in replacing the winch, which increased the workload and also led to a high number of electromechanical transportation accidents, resulting in low production safety. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a winch self-locking device, which can make the gear locking more reliable, and is not likely to cause the winch to run away in neutral and damage the mechanical part, making maintenance and replacement more convenient, while also reducing the workload and potential accidents, and improving the safety of winch use.

[0004] The present application provides a winch self-locking device, comprising: a locker, a guide rope mechanism, a speed meter, an overload protector and a blocking plate;

[0005] The lock comprises a left locking cover, a right locking cover and a hinge, and the guide rope mechanism further comprises an upper guide rope member and a lower guide rope member, and the upper guide rope member and the lower guide rope member both comprise a left guide rope cover and a right guide rope cover, and one side of the left locking cover is movably connected to one side of the right locking cover by the hinge, and a cavity is formed between the left locking cover and the right locking cover after closing. The left guide rope cover corresponding to the upper guide rope member is arranged on the top of the left locking cover, and the right guide rope cover corresponding to the upper guide rope member is arranged on the top of the right locking cover, and the left guide rope cover corresponding to the lower guide rope member is arranged on the bottom of the left locking cover, and the right guide rope cover corresponding to the lower guide rope member is arranged on the bottom of the right locking cover, and a first guide rope hole is formed after the left guide rope cover and the corresponding right guide rope cover are closed;

[0006] The inner wall of the right locking cover on the side away from the hinge is evenly provided with a plurality of fuse buckles, the inner wall of the left locking cover on the side away from the hinge is provided with a slot corresponding to each of the fuse buckles, the overload protector is arranged at the bottom of the lower rope guide member, and the overload protector is provided with a second rope guide hole corresponding to the first rope guide hole, the overload protector is connected to each of the fuse buckles, the speed meter is arranged on the overload protector, the winch is connected with a blocking plate, and the blocking plate is arranged close to one side of the lower rope guide member.

[0007] According to some embodiments of the present application, the winch self-locking device also includes a left handle and a right handle, the left handle is arranged on the outer wall of the left locking cover away from the hinge, and the right handle is arranged on the outer wall of the right locking cover away from the hinge.

[0008] According to some embodiments of the present application, a plurality of hinges are provided, one side of the left locking cover and one side of the right locking cover are movably connected via the plurality of hinges, and the hinges are evenly distributed.

[0009] According to some embodiments of the present application, the winch self-locking device also includes a clamping rod and a clamping nut, one end of the clamping rod is inserted into the left locking cover from the top of the left locking cover away from the hinge side, and the clamping nut is threadedly connected to the other end of the clamping rod.

[0010] According to some embodiments of the present application, a conducting hole is opened on the blocking plate, and the outer diameter of the conducting hole is larger than the outer diameter of the first guide rope hole.

[0011] In the present application, the rope on the winch is sequentially passed through the first rope guide hole, the cavity and the first rope guide hole corresponding to the upper rope guide member. When the dual-speed winch is in operation, the rope-out speed of the rope on the winch is monitored by a speed meter. When the rope-out speed exceeds a preset rope-out speed threshold, the speed meter feeds back the speed signal to the overload protector. The overload protector melts the corresponding fuse on the fuse clip between the left locking cover and the right locking cover according to the speed signal, and merges the left locking cover and the right locking cover to make the winch self-locking device contact with the blocking plate, so that the winch self-locking device is subjected to a blocking force to lock the rope; the fuse corresponding to the fuse clip made of a low-melting-point alloy such as aluminum-antimony alloy between the left locking cover and the right locking cover is replaceable. Each time the winch self-locking device is restored, it only needs to be replaced with a new fuse, which makes the replacement cost lower and also improves the replacement efficiency. Through this arrangement, the present application can make the gear locking more reliable, avoid damage to the winch's neutral gear and mechanical parts, make maintenance and replacement more convenient, and also reduce workload and potential accidents, thereby improving the safety of winch use.

[0012] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0014] Figure 1 A schematic diagram of the structure of a winch self-locking device provided in an embodiment of the present application;

[0015] Figure 2 A schematic diagram of the structure of the overload protector provided in an embodiment of the present application.

[0016] Reference numerals:

[0017] A left locking cover 110, a right locking cover 111, a hinge 112, a left handle 113, a right handle 114, an upper rope guide 115, and a lower rope guide 116;

[0018] Overload protector 120, speed meter 121, fuse buckle 122, slot 123, second rope guide hole 124;

[0019] The clamping rod 130 and the clamping nut 131 . DETAILED DESCRIPTION

[0020] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0021] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0022] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0023] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0024] At present, in the auxiliary transportation of mines, due to environmental and human factors, especially the needs of on-site work, it is often necessary to switch the gear of the two-speed winch. However, vibration occurs when the winch is running, causing the gear handle to slide to the neutral position or the meshing gear to contact 1 / 2, so that the gear may not reach the lock hole position after the gear is switched, causing a running car accident or a gearbox broken gear accident, which brings many problems to the mine; after the Tong Shizai equipment was damaged, a large amount of manpower was invested in replacing the winch, which increased the workload and also led to a high number of electromechanical transportation accidents, resulting in low production safety.

[0025] In order to solve the above-mentioned problem, the present application proposes a winch self-locking device. The embodiments of the present application are further described below in conjunction with the accompanying drawings.

[0026] Reference Figure 1 to Figure 2 The present application provides a winch self-locking device, including: a locker, a guide rope mechanism, a speed meter 121, an overload protector 120 and a blocking plate; the locker includes a left locking cover 110, a right locking cover 111 and a hinge 112, the guide rope mechanism also includes an upper guide rope member 115 and a lower guide rope member 116, the upper guide rope member 115 and the lower guide rope member 116 both include a left guide rope cover and a right guide rope cover, one side of the left locking cover 110 and one side of the right locking cover 111 are movably connected by the hinge 112, a cavity is formed between the left locking cover 110 and the right locking cover 111 after closing, the left guide rope cover corresponding to the upper guide rope member 115 is arranged on the top of the left locking cover 110, the right guide rope cover corresponding to the upper guide rope member 115 is arranged on the top of the right locking cover 111, and the left guide rope cover corresponding to the lower guide rope member 116 is arranged on the left locking cover At the bottom of the cover 110, the right guide rope cover corresponding to the lower guide rope member 116 is arranged at the bottom of the right locking cover 111, and a first guide rope hole is formed when the left guide rope cover and the corresponding right guide rope cover are closed; the inner wall of the right locking cover 111 on the side away from the hinge 112 is evenly provided with a plurality of fuse buckles 122, and the inner wall of the left locking cover 110 on the side away from the hinge 112 is provided with a card slot 123 corresponding to each fuse buckle 122, the overload protector 120 is arranged at the bottom of the lower guide rope member 116, and a second guide rope hole 124 corresponding to the first guide rope hole is opened on the overload protector 120, the overload protector 120 is connected to each fuse buckle 122, the speed meter 121 is arranged on the overload protector 120, the winch is connected with a blocking plate, and the blocking plate is arranged close to one side of the lower guide rope member 116.

[0027] It should be noted that, by fixedly connecting the blocking plate to the winch, the winch ladder can provide supporting force for the blocking plate.

[0028] It should be noted that the fuse on the fuse buckle 122 is made of a low melting point alloy such as aluminum antimony alloy, which is not limited in the embodiment of the present application.

[0029] It should be noted that the winch self-locking device corresponding to the present application has the advantages of good strength and durability, safety and reliability, simple structure, easy installation and use, easy maintenance and replacement, reliable gear locking, and high safety and reliability of the winch, so that the winch is not likely to cause neutral running and mechanical part damage, greatly reducing the workload and potential accidents.

[0030] In the present application, the rope on the winch is sequentially passed through the first rope guide hole corresponding to the upper rope guide member 115, the cavity and the first rope guide hole corresponding to the lower rope guide member 116. When the dual-speed winch is running, the rope-out speed of the rope on the winch is monitored by the speed meter 121. When the rope-out speed exceeds the preset rope-out speed threshold, the speed meter 121 feeds back the speed signal to the overload protector 120. The overload protector 120 locks the fuse buckle 1 between the left locking cover 110 and the right locking cover 111 according to the speed signal. The corresponding fuse on 22 melts, and the left locking cover 110 and the right locking cover 111 are merged, so that the winch self-locking device contacts the blocking plate, so that the winch self-locking device is subjected to a blocking force, and the winch rope is locked; the fuse corresponding to the fuse buckle 122 made of a low melting point alloy such as aluminum antimony alloy between the left locking cover 110 and the right locking cover 111 is replaceable. Each time the winch self-locking device is restored, only a new fuse needs to be replaced, which reduces the replacement cost and improves the replacement efficiency. Through this setting, the present application can make the gear locking more reliable, and it is not easy to cause damage to the winch neutral gear and mechanical parts. Maintenance and replacement are more convenient, and the workload and accident hazards are reduced, and the safety of winch use is improved.

[0031] Reference Figure 1 It can be understood that the winch self-locking device also includes a left handle 113 and a right handle 114. The left handle 113 is arranged on the outer wall of the left locking cover 110 away from the hinge 112, and the right handle 114 is arranged on the outer wall of the right locking cover 111 away from the hinge 112.

[0032] It should be noted that by providing the left handle 113 and the right handle 114, when the maintenance personnel perform maintenance operations, they can open the left locking cover 110 and the right locking cover 111 through the left handle 113 and the right handle 114, and then replace the fuse, thereby improving the convenience of the maintenance personnel's operation.

[0033] Reference Figure 1 It can be understood that a plurality of hinges 112 are provided, and one side of the left locking cover 110 and one side of the right locking cover 111 are movably connected through a plurality of hinges 112, and the hinges 112 are evenly distributed.

[0034] It should be noted that the main function of the hinge 112 is to connect the left locking cover 110 and the right locking cover 111 and allow them to rotate relative to each other. By arranging the hinge 112 at the connection between the left locking cover 110 and the right locking cover 111, the left locking cover 110 and the right locking cover 111 can be opened and closed freely.

[0035] It should be noted that, by providing a plurality of hinges 112 , the stability of the connection between the left locking cover 110 and the right locking cover 111 is improved.

[0036] In this embodiment, three hinges 112 are provided, and the three hinges 112 are evenly distributed; in other embodiments, other numbers of hinges 112 may also be provided, and are not limited to the embodiment of the present application.

[0037] Reference Figure 1 It can be understood that the winch self-locking device also includes a clamping rod 130 and a clamping nut 131. One end of the clamping rod 130 is inserted into the left locking cover 110 from the top of the left locking cover 110 away from the hinge 112, and the clamping nut 131 is threadedly connected to the other end of the clamping rod 130.

[0038] It should be noted that after the left locking cover 110 and the right locking cover 111 are closed, the clamping nut 131 is located directly above the left locking cover 110 and the right locking cover 111, and after the left locking cover 110 and the right locking cover 111 are closed, the clamping nut 131 can be in contact with the top of the left locking cover 110 and the right locking cover 111 by adjusting the tightness between the clamping rod 130; at the same time, after the left locking cover 110 and the right locking cover 111 are closed, the closing stability between the left locking cover 110 and the right locking cover 111 can be stabilized by adjusting the tightness of the clamping rod 130 and the clamping nut 131.

[0039] It can be understood that a conducting hole is provided on the blocking plate, and the outer diameter of the conducting hole is larger than the outer diameter of the first guide rope hole.

[0040] It should be noted that the outer diameter of the conducting hole formed on the blocking plate is slightly larger than the outer diameter of the first guide rope hole, so that in an emergency, the lower guide rope member 116 can enter the conducting hole at an excessively fast speed.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0042] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.

[0043] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A winch self-locking device, characterized in that: include: Locking device, rope guide mechanism, speed meter and overload protector; The lock comprises a left locking cover, a right locking cover and a hinge, and the guide rope mechanism further comprises an upper guide rope member and a lower guide rope member, and the upper guide rope member and the lower guide rope member both comprise a left guide rope cover and a right guide rope cover, and one side of the left locking cover is movably connected to one side of the right locking cover by the hinge, and a cavity is formed between the left locking cover and the right locking cover after closing. The left guide rope cover corresponding to the upper guide rope member is arranged on the top of the left locking cover, and the right guide rope cover corresponding to the upper guide rope member is arranged on the top of the right locking cover, and the left guide rope cover corresponding to the lower guide rope member is arranged on the bottom of the left locking cover, and the right guide rope cover corresponding to the lower guide rope member is arranged on the bottom of the right locking cover, and a first guide rope hole is formed after the left guide rope cover and the corresponding right guide rope cover are closed; The inner wall of the right locking cover on the side away from the hinge is evenly provided with a plurality of fuse buckles, the inner wall of the left locking cover on the side away from the hinge is provided with a slot corresponding to each of the fuse buckles, the overload protector is arranged at the bottom of the lower rope guide member, and the overload protector is provided with a second rope guide hole corresponding to the first rope guide hole, the overload protector is connected to each of the fuse buckles, the speed meter is arranged on the overload protector, the winch is connected with a blocking plate, and the blocking plate is arranged close to one side of the lower rope guide member.

2. The winch self-locking device according to claim 1, characterized in that: The winch self-locking device also includes a left handle and a right handle, wherein the left handle is arranged on the outer wall of the left locking cover away from the hinge, and the right handle is arranged on the outer wall of the right locking cover away from the hinge.

3. The winch self-locking device according to claim 1, characterized in that: The hinges are provided in plurality, one side of the left locking cover is movably connected with one side of the right locking cover through the plurality of hinges, and the hinges are evenly distributed.

4. The winch self-locking device according to claim 1, characterized in that: The winch self-locking device also includes a clamping rod and a clamping nut. One end of the clamping rod is inserted into the left locking cover from the top of the left locking cover away from the hinge side, and the clamping nut is threadedly connected to the other end of the clamping rod.

5. The winch self-locking device according to claim 1, characterized in that: The blocking plate is provided with a conducting hole, and the outer diameter of the conducting hole is larger than the outer diameter of the first guide rope hole.