CN219341569U - Torque limiting and clutch device for winch - Google Patents
Torque limiting and clutch device for winch Download PDFInfo
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- CN219341569U CN219341569U CN202321522425.XU CN202321522425U CN219341569U CN 219341569 U CN219341569 U CN 219341569U CN 202321522425 U CN202321522425 U CN 202321522425U CN 219341569 U CN219341569 U CN 219341569U
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- spring
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- 230000005540 biological transmission Effects 0.000 claims abstract description 47
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a torque limiting and clutching device for a winch, which comprises a transmission shaft, a disc spring, a clutch action safety protection switch, an adjusting disc, a limiting disc, steel balls and an output shaft, wherein the right end of the transmission shaft is of a boss-shaped structure, the outer side of a boss of the transmission shaft is provided with the limiting disc in sliding connection, the disc spring is arranged between the limiting disc and the transmission shaft, the disc spring is positioned on the right side of the boss of the transmission shaft, the right end of the transmission shaft is provided with the adjusting disc for blocking the disc spring, the outer side of the transmission shaft is connected with the output shaft through a first bearing, the steel balls are uniformly arranged between the right end of the output shaft and the limiting disc, and are embedded in a circumferential hole on one side of the output shaft.
Description
Technical Field
The utility model relates to the technical field of winches, in particular to a torque limiting and clutch device for a winch.
Background
Winch is a light and small hoisting device, also called a hoist, that uses a drum to wind a wire rope or chain to lift or pull a weight. The winch can be used independently, can also be used as a component part in machinery such as hoisting, road building, mine hoisting and the like, is widely used due to simple operation, large rope winding quantity and convenient movement, but the existing winch does not have the function of limiting the maximum torque, so the winch is often damaged in the use process, and has no manual clutch function.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the torque limiting and clutch device for the winch, which is simple in structure, not only realizes maximum torque limiting, but also has a manual clutch function, is more convenient to use, and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a moment of torsion restriction and clutch device for winch, includes transmission shaft, dish spring, clutch action safety protection switch, adjustment disk, limiting disc, steel ball and output shaft, the right-hand member of transmission shaft is boss column structure to the boss outside of transmission shaft is equipped with sliding connection's limiting disc, is equipped with the dish spring between limiting disc and the transmission shaft, and the dish spring is located the boss right side of transmission shaft, and the right-hand member of transmission shaft is equipped with the adjustment disk that blocks the dish spring, and the outside of transmission shaft is through bearing one and output shaft, evenly is equipped with the steel ball between right-hand member and the limiting disc of output shaft, the steel ball is inlayed in output shaft one side circumference downthehole, be connected with clutch action safety protection switch on the limiting disc, when taking place to overload, the steel ball slides out the circumference hole of output shaft, through limiting disc compression dish spring, transmission shaft and output shaft disconnection transmission, when taking place to disconnect, the time of spacing disc trigger clutch action safety protection switch takes place, alarm signal takes place.
Further, a second bearing is fixed on the outer side of the right end of the transmission shaft.
Further, the disc spring is of a conical annular structure, and an annular groove corresponding to the outer side of the disc spring is formed in the limiting disc.
Furthermore, the adjusting disc is connected with the transmission shaft in a threaded connection mode, and one side of the adjusting disc, which corresponds to the disc spring, is of a conical structure.
Further, the clutch action safety protection switch comprises a handle connected with an external casing, the handle is connected with a reset rod through a connecting rod, one end, which is far away from the handle, of the reset rod is connected with a limiting disc, the connecting rod and the reset rod are pulled to move through the handle, and the limiting disc is pulled to move through the reset rod, so that the elasticity of a disc spring is overcome, and the output shaft is separated from a transmission shaft.
Compared with the prior art, the utility model has the beneficial effects that: when overload occurs, steel balls slide out of a circumferential hole of an output shaft, a disc spring is compressed through a limit disc, a transmission shaft is disconnected with the output shaft, active and passive transmission disconnection is realized, when disconnection occurs, the limit disc triggers a clutch to act as a safety protection switch, an alarm signal occurs, a connecting rod and a reset rod are pulled to move through a handle, and the limit disc is pulled to move through the reset rod, so that the elasticity of the disc spring is overcome, the output shaft is separated from the transmission shaft, and the torque limiting and clutch device for the winch is simple in structure, not only can limit the maximum torque, but also has a manual clutch function and is more convenient to use.
Drawings
FIG. 1 is a schematic view of the structure of the present utility model
In the figure: the device comprises a transmission shaft 1, a disc spring 2, a clutch 3, a motion safety protection switch, a bearing 4, a regulating disc 5, a limiting disc 6, a steel ball 7, an output shaft 8 and a bearing 9.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1, the present utility model provides a technical solution: the torque limiting and clutch device for winch comprises a transmission shaft 1, a disc spring 2, a clutch action safety protection switch 3, an adjusting disc 5, a limit disc 6, steel balls 7 and an output shaft 8, wherein the right end of the transmission shaft 1 is of a boss-shaped structure, the limit disc 6 which is in sliding connection is arranged on the outer side of the boss of the transmission shaft 1, the disc spring 2 is arranged between the limit disc 6 and the transmission shaft 1, the disc spring 2 is positioned on the right side of the boss of the transmission shaft 1, the right end of the transmission shaft 1 is provided with the adjusting disc 5 which is used for blocking the disc spring 2, the outer side of the transmission shaft 1 is connected with the output shaft 8 through a first bearing 9, steel balls 7 are uniformly arranged between the right end of the output shaft 8 and the limit disc 6, the steel balls 7 are embedded in a circumferential hole on one side of the output shaft 8, the clutch action safety protection switch 3 is connected on the limit disc, when overload occurs, the steel balls 7 slide out of the circumferential hole of the output shaft 8, the disc 2 is compressed through the limit disc 6, the transmission shaft 1 and the output shaft 8 are disconnected to realize the active and passive transmission disconnection, when the disconnection occurs, the limit disk 6 triggers the clutch action safety protection switch to generate an alarm signal, the outer side of the right end of the transmission shaft 1 is fixed with the bearing II 4, the disc spring 2 is of a conical annular structure, the limit disk 6 is provided with an annular groove corresponding to the outer side of the disc spring 2, the adjusting disk 5 is connected with the transmission shaft 1 in a threaded connection manner, one side of the adjusting disk 5 corresponding to the disc spring 2 is of a conical structure, the clutch action safety protection switch 3 comprises a handle connected with an external casing, the handle is connected with a reset rod through a connecting rod, one end of the reset rod, which is far away from the handle, is connected with the limit disk 6, the connecting rod and the reset rod are pulled to move through the handle, and the limit disk 6 is pulled to move through the reset rod, so as to overcome the elasticity of the disc spring 2, thereby realizing the separation of the output shaft 8 and the transmission shaft 1, the torque limiting and engaging and disengaging gear for the winch is simple in structure, not only can limit the maximum torque, but also has a manual engaging and disengaging function, and is more convenient to use
When in use: when overload occurs, the steel balls 7 slide out of the circumferential holes of the output shaft 8, the disc spring 2 is compressed through the limiting disc 6, the transmission shaft 1 and the output shaft 8 are disconnected, active and passive transmission disconnection is realized, when disconnection occurs, the limiting disc 6 triggers the clutch to act as a safety protection switch, an alarm signal occurs, the connecting rod and the reset rod are pulled to move through the handle, and the limiting disc 6 is pulled to move through the reset rod, so that the elasticity of the disc spring 2 is overcome, and the output shaft 8 and the transmission shaft 1 are separated.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made hereto without departing from the spirit and principles of the present utility model.
Claims (5)
1. The utility model provides a moment of torsion restriction and clutch device for winch, includes transmission shaft (1), dish spring (2), clutch action safety protection switch (3), adjustment dish (5), spacing dish (6), steel ball (7) and output shaft (8), its characterized in that: the right-hand member of transmission shaft (1) is boss column structure to be equipped with sliding connection's spacing dish (6) outside the boss of transmission shaft (1), be equipped with dish spring (2) between spacing dish (6) and transmission shaft (1), dish spring (2) are located boss right side of transmission shaft (1), and the right-hand member of transmission shaft (1) is equipped with adjustment dish (5) that block dish spring (2), and the outside of transmission shaft (1) is through bearing one (9) and output shaft (8), evenly is equipped with steel ball (7) between the right-hand member of output shaft (8) and spacing dish (6), steel ball (7) are inlayed in output shaft (8) one side circumference downthehole, be connected with clutch action safety protection switch (3) on the spacing dish.
2. The torque limiting and clutching apparatus for a winch according to claim 1, wherein: and a bearing II (4) is fixed on the outer side of the right end of the transmission shaft (1).
3. The torque limiting and clutching apparatus for a winch according to claim 1, wherein: the disc spring (2) is of a conical annular structure, and an annular groove corresponding to the outer side of the disc spring (2) is formed in the limiting disc (6).
4. The torque limiting and clutching apparatus for a winch according to claim 1, wherein: the adjusting disc (5) is connected with the transmission shaft (1) in a threaded connection mode, and one side of the adjusting disc (5) corresponding to the disc spring (2) is of a conical structure.
5. The torque limiting and clutching apparatus for a winch according to claim 1, wherein: the clutch action safety protection switch (3) comprises a handle connected with an external casing, the handle is connected with a reset rod through a connecting rod, and one end, far away from the handle, of the reset rod is connected with a limiting disc (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522425.XU CN219341569U (en) | 2023-06-15 | 2023-06-15 | Torque limiting and clutch device for winch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321522425.XU CN219341569U (en) | 2023-06-15 | 2023-06-15 | Torque limiting and clutch device for winch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219341569U true CN219341569U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321522425.XU Active CN219341569U (en) | 2023-06-15 | 2023-06-15 | Torque limiting and clutch device for winch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219341569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118582395A (en) * | 2024-08-05 | 2024-09-03 | 江苏科曼机械制造有限公司 | A direct-connected centrifugal pump with built-in precision joint |
-
2023
- 2023-06-15 CN CN202321522425.XU patent/CN219341569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118582395A (en) * | 2024-08-05 | 2024-09-03 | 江苏科曼机械制造有限公司 | A direct-connected centrifugal pump with built-in precision joint |
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