Clutch structure of engine winch
By designing an engine winch clutch structure including a gearbox, an axial pushing part, a first joint part and a second joint part, and using self-locking friction force to maintain the combination, the problem of insufficient reliability of the engine in the field in the prior art is solved, and stable operation and high reliability power transmission are achieved.
Patent Information
- Application Number
- CN202420927714.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-03-25
- Estimated Expiration
- 2034-04-29
AI Technical Summary
The clutch structure of the existing engine winch has high reliability requirements in field use, especially in the absence of electricity, making it difficult to ensure stable and easy engine start.
A clutch structure including a gearbox, an axial pushing part, a first joint part and a second joint part is designed. The axial pushing part pushes the axial bonding part and the second joint part to maintain the bonding by using a self-locking friction force to achieve stable operation and power transmission of the engine.
Improves the reliability of the engine winch, ensures that the engine can start stably during field use, and remains in combination under load, reducing the risk of separation.
Smart Images
Figure CN222665258U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of winches, in particular to a clutch structure of an engine winch. Background Art
[0002] Currently, there is an engine winch, including a winch drum and an engine. The engine drives the winch drum to rotate. The clutch structure of this type of engine winch is suitable for use without electricity. The engine is, for example, a diesel engine, a gasoline engine, etc. Although this type of engine winch is suitable for field use, it also puts forward higher requirements on reliability.
[0003] Therefore, the applicant will propose a clutch structure of an engine winch, which is conducive to improving reliability. Utility Model Content
[0004] The utility model provides a clutch structure of an engine winch, which is beneficial to improving reliability.
[0005] In order to achieve the above object, the embodiment of the utility model adopts the following technical solution:
[0006] A clutch structure of an engine winch is arranged between a winch drum and an engine, and includes a gearbox, an axial driving part, a first combining part, and a second combining part. The axial driving part is sleeved on an input shaft of the gearbox, the first combining part is connected to the input shaft, and the first combining part and the second combining part are axially separable and sleeved. The first combining part is provided with an outer conical surface, and the second combining part is provided with an inner conical surface. The axial driving part drives the first combining part to move axially so that the outer conical surface and the inner conical surface are sleeved for transmission, and the sleeve transmission generates a self-locking friction force. The second combining part is coaxially connected to an output end of the engine, and the output end of the engine transmits power through the combination of the first combining part and the second combining part. When it is necessary to combine, the second combining part rotates synchronously with the output end of the engine, and the user operates the axial driving part to push the first combining part and the second combining part to combine axially, and uses the self-locking friction force to keep the first combining part and the second combining part combined. When it is necessary to separate, the user operates the axial driving part to push the first combining part relatively away from the second combining part to achieve axial separation, thereby cutting off power transmission.
[0007] In some embodiments, the axial pushing portion includes a first operating rod and a ring portion located at the lower end of the first operating rod. The ring portion is rotatably sleeved with the input shaft, and the ring portion is disposed adjacent to the first coupling portion. The second operating portion is configured to be rotatable. The user operates the first operating rod to rotate to drive the ring portion to rotate and move axially. The axial movement is used to push the first coupling portion to move axially relative to the second coupling portion.
[0008] In some embodiments, the gearbox includes a second operating lever, a forward gear position and a reverse gear position, and the second operating lever can switch the gearbox between the forward gear position and the reverse gear position; the second operating lever is arranged in parallel with the first operating lever.
[0009] In some embodiments, the gearbox includes a housing, in which an input shaft, an output shaft, a shift shaft, a shift fork shaft and a shift fork are installed, a second operating lever is connected to the shift fork, the input shaft is provided with a first gear and a second gear which are coaxially arranged and connected together, the shift fork is slidably fitted on the shift fork shaft, the shifting portion of the shift fork is located between the first gear and the second gear, the shift fork is used to shift the first gear and the second gear to move axially together, the output shaft is provided with a third gear, the shift shaft is provided with a fourth gear and a fifth gear, the third gear is always meshed with the fourth gear, the first gear and the second gear are located between the fourth gear and the fifth gear, in the first gear position, the first gear and the second gear move to the side of the fourth gear and the first gear is meshed with the fourth gear, when the second gear position is required, the first gear and the second gear move to the side of the fifth gear and the second gear is meshed with the fifth gear, when the neutral gear is in neutral, the first gear and the second gear move between the fourth gear and the fifth gear.
[0010] In some embodiments, it also includes a horizontal swing link, and the second operating rod is configured as a diagonal rod. A vertically arranged rotating shaft is provided between the diagonal rod and the horizontal swing link. The diagonal rod is provided for horizontal rotation operation by the user. When the diagonal rod rotates horizontally, the horizontal swing link is driven to swing through the rotating shaft. The swing of the horizontal swing link is used to promote the axial movement of the shift fork.
[0011] In some embodiments, the axial pushing portion includes a first part and a second part, the first part and the second part are threadedly connected, and the ring portion is rotatably sleeved on the input shaft, which means that the second part serves as the ring portion, and the second part is indirectly sleeved on the input shaft through the first part, or an independent ring portion is provided, which is sleeved on the second part and circumferentially fixedly connected, and the ring portion is indirectly sleeved on the input shaft through the second part and the first part; the first part is rotatably sleeved on the input shaft and the first part is fixed on the shell, and the first operating rod can make the second part rotate relative to the first part, and the rotation makes the second part axially move relative to the first part through the threaded connection, and the axial movement is used to push the first combining portion to move axially to make the outer conical surface and the inner conical surface sleeved for transmission.
[0012] After adopting the above structure, compared with the prior art, the utility model has the following advantages:
[0013] In the present disclosure, on the one hand, when engagement is required, the second engagement part rotates synchronously with the output end of the engine, and the user operates the axial pushing part to push the first engagement part and the second engagement part to engage axially, and utilizes the self-locking friction force to keep the first engagement part and the second engagement part engaged. In this way, the engine is engaged under a stable operating state, and the engine is easier to start, which is beneficial to improving reliability. On the other hand, through axial movement, the self-locking friction force is utilized to keep the first engagement part and the second engagement part engaged, and the engagement is easier. After engagement, the engagement state is more stable, and it is not easy to separate under load conditions. On the other hand, the axial pushing part is sleeved on the input shaft of the gearbox, and the structure is more compact, which is beneficial to outdoor use. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional schematic diagram of the clutch structure of an engine winch.
[0015] Figure 2 The present invention is a three-dimensional schematic diagram of the clutch structure of an engine winch after removing the housing of the gearbox.
[0016] Figure 3 It is an exploded schematic diagram of the structure related to the axial push part of the clutch structure of an engine winch.
[0017] Figure 4 It is a three-dimensional schematic diagram of an engine winch.
[0018] Explanation of the reference numerals: 1-hoisting drum, 2-engine, 3-gearbox, 4-axial pushing part, 5-first connecting part, 6-second connecting part, 7-input shaft, 8-outer conical surface, 9-inner conical surface, 10-output end, 11-first operating rod, 12-ring part, 13-second operating rod, 14-housing, 15-output shaft, 16-shift shaft, 17-end cover, 18-shift fork shaft, 19-shift fork, 20-first gear, 21-second gear, 22-shifting part, 23-third gear, 24-fourth gear, 25-fifth gear, 26-bracket, 27-horizontal swing connecting rod, 28-rotating shaft, 29-slot, 30-first part, 31-second part, 32-insertion part. DETAILED DESCRIPTION
[0019] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The embodiments described below are for example only, and those skilled in the art may think of other obvious variations. The basic principles of the utility model defined in the following description can be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not deviate from the spirit and scope of the utility model.
[0020] like Figures 1 to 4As shown, the present disclosure provides a clutch structure of an engine winch, which is arranged between a winch drum 1 and an engine 2, and includes a gearbox 3, an axial pushing portion 4, a first combining portion 5, and a second combining portion 6. The axial pushing portion 4 is sleeved on an input shaft 7 of the gearbox 3, the first combining portion 5 is connected to the input shaft 7, the first combining portion 5 and the second combining portion 6 are sleeved and can be axially separated, the first combining portion 5 is provided with an outer conical surface 8, and the second combining portion 6 is provided with an inner conical surface 9. The axial pushing portion 4 pushes the first combining portion 5 to move axially so that the outer conical surface 8 and the inner conical surface 9 are sleeved for transmission, and the sleeve transmission generates a self-locking friction force; The second coupling part 6 is coaxially connected to the output end 10 of the engine 2, and the output end 10 of the engine 2 transmits power through the coupling of the first coupling part 5 and the second coupling part 6; when coupling is required, the second coupling part 6 rotates synchronously with the output end 10 of the engine 2, and the user operates the axial pushing part 4 to push the first coupling part 5 and the second coupling part 6 to axially couple, and uses the self-locking friction force to keep the first coupling part 5 and the second coupling part 6 coupled, and when separation is required, the user operates the axial pushing part 4 to push the first coupling part 5 relatively away from the second coupling part 6 to achieve axial separation, thereby cutting off power transmission. In this example, the engine 2 is a diesel engine 2.
[0021] like Figure 4 As shown, a bracket 26 is provided on the lower side of the clutch transmission structure and the engine 2 , and the clutch transmission structure and the engine 2 are mounted on the same bracket 26 .
[0022] In some embodiments, Figure 1 , 2 As shown in Figures 3 and 4, the axial pushing portion 4 includes a first operating rod 11 and a ring portion 12 located at the lower end of the first operating rod 11. The ring portion 12 is rotatably sleeved with the input shaft 7, and the ring portion 12 is disposed adjacent to the first coupling portion 5. The second operating portion is configured to be circumferentially rotatable. The user operates the first operating rod 11 to rotate to drive the ring portion 12 to rotate and axially move. The axial movement is used to push the first coupling portion 5 to axially move relative to the second coupling portion 6. In this way, the structure is compact and the operation is simple.
[0023] In some embodiments, Figure 3As shown, the axial push part 4 includes a first part 30 and a second part 31, the first part 30 and the second part 31 are threadedly connected, and the ring part 12 is rotatably sleeved with the input shaft 7, which means that an independent ring part 12 is provided, the ring part 12 is sleeved with the second part 31 and circumferentially fixedly connected, and the ring part 12 is indirectly sleeved on the input shaft 7 through the second part 31 and the first part 30; the first part 30 is rotatably sleeved with the input shaft 7 and the first part 30 is fixed on the end cover 17 on one side of the housing 14, and the first operating rod 11 can make the second part 31 rotate relative to the first part 30, and the rotation makes the second part 31 axially move relative to the first part 30 through the threaded connection, and the axial movement is used to push the first joint part 5 to move axially so that the outer conical surface 8 and the inner conical surface 9 are sleeved for transmission. In this way, the structure is compact and the operation is stable and reliable.
[0024] Of course, other structures are also possible, where the second part 31 is directly used as the ring part 12 , and the second part 31 is indirectly sleeved on the input shaft 7 through the first part 30 .
[0025] In some embodiments, Figure 1 As shown, the gearbox 3 includes a second operating lever 13, a forward gear position and a reverse gear position. The second operating lever 13 can switch the gearbox 3 between the forward gear position and the reverse gear position. The second operating lever 13 is arranged in parallel with the first operating lever 11. This has better ergonomic performance, allowing the user to operate the first operating lever 11 with one hand and operate the second operating lever 13 with the other hand, thereby achieving coordinated operation and convenient operation.
[0026] In some embodiments, Figure 2 As shown, the gearbox 3 includes a housing 14, in which an input shaft 7, an output shaft 15, a shift shaft 16, a shift fork shaft 18 and a shift fork 19 are installed, the second operating rod 13 is connected to the shift fork 19, the input shaft 7 is provided with a first gear 20 and a second gear 21 which are coaxially arranged and connected together, the shift fork 19 is slidably fitted on the shift fork shaft 18, the shift fork 19 is used to shift the first gear 20 and the second gear 21 to move axially together, the output shaft 15 is provided with a third gear 23, the shift shaft 16 is provided with a third gear 24, and the shift fork 19 is provided with a third gear 25. The fourth gear 24 and the fifth gear 25, the third gear 23 and the fourth gear 24 are always meshed, the first gear 20 and the second gear 21 are located between the fourth gear 24 and the fifth gear 25, in the first gear, the first gear 20 and the second gear 21 move to the side of the fourth gear 24 and the first gear 20 meshes with the fourth gear 24, when the second gear is needed, the first gear 20 and the second gear 21 move to the side of the fifth gear 25 and the second gear 21 meshes with the fifth gear 25, when the neutral gear is in neutral, the first gear 20 and the second gear 21 move between the fourth gear 24 and the fifth gear 25. In this way, the structure is compact and more diverse operations are achieved.
[0027] Further, such as Figure 1 , 4 As shown, it also includes a horizontal swing link 27, the second operating lever 13 is set as an inclined lever, and a vertically arranged rotation shaft 28 is arranged between the inclined lever and the horizontal swing link 27. The inclined lever is provided for horizontal rotation operation by the user. When the inclined lever rotates horizontally, the horizontal swing link 27 is driven to swing through the rotation shaft 28, and the swing of the horizontal swing link 27 is used to push the shift fork 19 to move axially. In this way, the gear is switched by rotation, and the second operating lever 13 is arranged in parallel with the first operating lever 11, so that the ergonomics is better and the user operation is more convenient and reliable.
[0028] like Figure 2 As shown, the shift fork 19 is provided with a slot 29 arranged from top to bottom, and the insertion portion 32 of the horizontal swing link 27 cooperates with the slot 29. When the horizontal swing link 27 swings, the shift fork 19 is driven to move axially through the cooperation.
[0029] From the above, it can be seen that the clutch structure of the engine winch disclosed in the present invention adopts a purely mechanical structure for the main body design, has strong environmental adaptability, large traction and high reliability. If a diesel engine, gasoline engine, etc. with strong environmental adaptability is used, no power supply is required and it can be widely used in different field environments.
[0030] When understanding the present invention, if necessary, the above structure can refer to other embodiments / attached Figure 1 And understand, no further elaboration here.
[0031] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any changes or substitutions that can be thought of by any person skilled in the art within the technical scope disclosed in the present disclosure should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A clutch structure of an engine winch, arranged between a winch drum (1) and an engine (2), characterized in that: The invention comprises a gearbox (3), an axial pushing portion (4), a first coupling portion (5) and a second coupling portion (6), wherein the axial pushing portion (4) is sleeved on an input shaft (7) of the gearbox (3), the first coupling portion (5) is connected to the input shaft (7), the first coupling portion (5) and the second coupling portion (6) are sleeved and can be axially separated, the first coupling portion (5) is provided with an outer conical surface (8), the second coupling portion (6) is provided with an inner conical surface (9), the axial pushing portion (4) pushes the first coupling portion (5) to move axially so that the outer conical surface (8) and the inner conical surface (9) are sleeved and driven, and the sleeved transmission generates a self-locking friction force; the second coupling portion (6) is sleeved and driven with the input shaft (7) of the engine (2) The output end (10) is coaxially connected, and the output end (10) of the engine (2) transmits power through the combination of the first combination part (5) and the second combination part (6); when combination is required, the second combination part (6) rotates synchronously with the output end (10) of the engine (2), and the user operates the axial pushing part (4) to push the first combination part (5) and the second combination part (6) to axially combine, and utilizes the self-locking friction force to keep the first combination part (5) and the second combination part (6) combined; when separation is required, the user operates the axial pushing part (4) to push the first combination part (5) relatively away from the second combination part (6) to achieve axial separation, thereby cutting off power transmission.
2. The clutch structure of the engine winch according to claim 1, characterized in that: The axial pushing portion (4) comprises a first operating rod (11) and a ring portion (12) located at the lower end of the first operating rod (11); the ring portion (12) is rotatably sleeved with the input shaft (7), and the ring portion (12) is arranged adjacent to the first connecting portion (5); the second operating portion is arranged to be rotatable in the circumferential direction; a user operates the first operating rod (11) to rotate so as to drive the ring portion (12) to rotate and move axially; the axial movement is used to push the first connecting portion (5) to move axially relative to the second connecting portion (6).
3. The clutch structure of the engine winch according to claim 2, characterized in that: The gearbox (3) comprises a second operating rod (13), and the second operating rod (13) can switch the gearbox (3) between a plurality of gear positions; the second operating rod (13) and the first operating rod (11) are arranged in parallel.
4. The clutch structure of the engine winch according to claim 1 or 3, characterized in that: The gearbox (3) comprises a housing (14), an input shaft (7), an output shaft (15), a shift shaft (16), a shift fork shaft (18) and a shift fork (19) are installed in the housing (14), a second operating rod (13) is connected to the shift fork (19), the input shaft (7) is provided with a first gear (20) and a second gear (21) which are coaxially arranged and connected together, the shift fork (19) is slidably fitted on the shift fork shaft (18), a shifting portion (22) of the shift fork (19) is located between the first gear (20) and the second gear (21), the shift fork (19) is used to shift the first gear (20) and the second gear (21) to move axially together, the output shaft (15) is provided with a third gear (23), the shift shaft (16) is provided with a The fourth gear (24) and the fifth gear (25), the third gear (23) and the fourth gear (24) are always meshed, the first gear (20) and the second gear (21) are located between the fourth gear (24) and the fifth gear (25), in the first gear position, the first gear (20) and the second gear (21) move to the side of the fourth gear (24) and the first gear (20) meshes with the fourth gear (24), when the second gear position is required, the first gear (20) and the second gear (21) move to the side of the fifth gear (25) and the second gear (21) meshes with the fifth gear (25), when the neutral gear is in neutral, the first gear (20) and the second gear (21) move between the fourth gear (24) and the fifth gear (25).
5. The clutch structure of the engine winch according to claim 4, characterized in that: It also includes a horizontal swing link (27), the second operating rod (13) is configured as an inclined rod, a vertically arranged rotation shaft (28) is provided between the inclined rod and the horizontal swing link (27), the inclined rod is provided for horizontal rotation operation by a user, when the inclined rod rotates horizontally, the horizontal swing link (27) is driven to swing via the rotation shaft (28), and the swing of the horizontal swing link (27) is used to drive the shift fork (19) to move axially.
6. The clutch structure of the engine winch according to claim 2, characterized in that: The axial pushing portion (4) comprises a first portion (30) and a second portion (31), the first portion (30) and the second portion (31) being threadedly connected, and the ring portion (12) being rotatably sleeved with the input shaft (7) means that the second portion (31) serves as the ring portion (12), and the second portion (31) is indirectly sleeved on the input shaft (7) through the first portion (30), or an independent ring portion (12) is provided, the ring portion (12) is sleeved with the second portion (31) and circumferentially fixedly connected, and the ring portion (12) is rotatably sleeved with the input shaft (7) through the second portion ( 31), the first part (30) is indirectly sleeved on the input shaft (7); the first part (30) and the input shaft (7) are rotatably sleeved and the first part (30) is fixed on the housing (14); the first operating rod (11) can make the second part (31) rotate relative to the first part (30), and the rotation causes the second part (31) to move axially relative to the first part (30) through a threaded connection, and the axial movement is used to push the first connecting part (5) to move axially so that the outer conical surface (8) and the inner conical surface (9) are sleeved for transmission.