CN219174088U - Winch clutch structure and winch - Google Patents

Abstract

The utility model relates to a winch clutch structure and a winch, which comprises a gear box with a rotary gear ring, wherein a first clutch part is arranged on the rotary gear ring, a clutch piece is also arranged on the rotary gear ring, the winch clutch structure comprises a second clutch part, the first clutch part and the second clutch part can be connected or separated from each other by moving along the axial direction of the rotary gear ring, and the first clutch part and the second clutch part are connected in an initial state; the driving assembly comprises a driving motor and is used for driving the clutch piece to move along the axial direction of the rotary gear ring in an initial state so as to separate the first clutch part from the second clutch part; an elastic resetting piece, which can enable the first clutch part to have a tendency of connecting with the second clutch part under the state that the second clutch part is separated from the first clutch part; the guiding component is used for guiding the clutch piece to move along the axial direction of the rotating gear ring and the deformation of the elastic resetting piece respectively. The utility model can realize the clutch control of the winch, ensure the accuracy of the clutch action and further improve the reliability of the clutch control of the winch.

Description

Winch clutch structure and winch

Technical Field

The utility model relates to the field of winches, in particular to a winch clutch structure and a winch.

Background

The transmission of the existing winch generally adopts a structure of a three-stage planetary reducer, a motor drives a transmission shaft to pass through a central through hole to drive a primary central gear to rotate at the tail end, a primary gear ring is fixed, a primary planet gear drives a primary wheel carrier to rotate, the center of the primary wheel carrier drives a secondary central gear, and the secondary central gear drives a secondary planet gear to move in a secondary gear ring. When the secondary gear ring is fixed and does not rotate, the secondary gear frame operates at normal speed reduction according to the speed reduction ratio, the secondary gear frame can drive the tertiary central gear to rotate, and as the tertiary gear ring is fixed, the tertiary central gear can drive the tertiary gear frame to rotate, the tertiary gear frame synchronously drives the winding drum to rotate, and finally the rope is pulled. When the secondary gear ring is released and can rotate, the secondary wheel carrier can meet the resistance of the tertiary sun gear, so that the secondary gear ring rotates, and power is not transmitted to the winding drum. For example, chinese utility model patent No. ZL202122252004.7 (grant bulletin No. CN 215798126U).

The clutch is a main control component of the winch, and a manual clutch is generally adopted in the prior art, for example, chinese patent No. ZL201820685426.9 (issued with publication No. CN 208532082U), chinese patent No. ZL201821420997.6 (issued with publication No. CN 208776242U), and the like. However, manual clutch manipulation is inconvenient, and there is a problem in that manual manipulation is disabled in actual use (the winch is hidden inside the headstock), and clutch manipulation of the winch can be achieved by means of other control devices (e.g., remote controllers, etc.). Although the conventional electric clutch can solve the above-mentioned problems of the manual clutch, the conventional electric clutch generally has the problem of low clutch operation reliability, and needs to be further improved.

Disclosure of Invention

The utility model aims to provide a winch clutch structure with convenient clutch control and high control reliability aiming at the prior art.

The second technical problem to be solved by the present utility model is to provide a winch with the winch clutch structure.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a winch clutch structure comprises a gear box with a rotary gear ring, and is characterized in that the rotary gear ring is provided with a first clutch part, and the winch clutch structure further comprises

A clutch member having a second clutch portion detachably connected to the first clutch portion of the rotary ring gear, the clutch member being movable in an axial direction of the rotary ring gear to connect or disconnect the first clutch portion to or from the second clutch portion, and the clutch member being connected to the second clutch portion in an initial state;

the driving assembly comprises a driving motor and is used for driving the clutch piece to move along the axial direction of the rotary gear ring in an initial state so as to separate the first clutch part from the second clutch part;

an elastic resetting member which enables the first clutch portion to have a tendency to be connected with the second clutch portion in a state in which the second clutch portion of the clutch member is disengaged from the first clutch portion of the rotary ring gear;

the guiding component is used for guiding the clutch piece to move along the axial direction of the rotating gear ring and the deformation of the elastic resetting piece respectively.

Further, the driving assembly further comprises

A driving member mounted on an output shaft of the driving motor;

the transmission piece can be linked with the driving piece and is connected with the clutch piece;

the guide assembly comprises a guide rod extending along the axial direction of the rotary gear ring, the transmission piece can move along the length direction of the guide rod, the elastic reset piece is a reset spring sleeved on the guide rod, one end of the reset spring is limited, and the other end of the reset spring can be propped against the transmission piece. The driving motor drives the driving piece to rotate, so that the driving piece is driven to move along the guide rod, the clutch piece is further driven to move along the axial direction of the rotating gear ring under the guide of the guide rod, and the clutch piece is driven and guided through a compact structure.

Further, the transmission piece is a plate piece sleeved on the guide rod. So that the driving member can be simply structured and can be moved along the guide bar well.

Further, the setting direction of driving medium is perpendicular with the direction of movement of above-mentioned separation and reunion spare, and this separation and reunion spare is connected at the middle part of driving medium along its length direction, and the both sides of this driving medium are provided with above-mentioned guide assembly and elasticity piece that resets respectively, and this elasticity piece that resets corresponds one by one with the guide bar of guide assembly to, the both ends of above-mentioned driving medium indent respectively forms the breach, and link to each guide bar of corresponding guide assembly through each breach cover respectively. Therefore, the clutch piece can move along the axial direction of the rotating gear ring more stably through the guidance of the guide assemblies on the two sides, and the reliability of the clutch control of the winch can be better ensured.

Further, the clutch member is a rod member, a mounting hole is formed in the middle of the transmission member in the length direction of the transmission member, and one end of the clutch member is inserted into the mounting hole and fixed through a fastener. Thereby realizing the firm connection of the clutch piece and the transmission piece.

Further, the other end of the clutch member forms the second clutch part, and the first clutch part is a groove which is formed on the rotating gear ring and is matched with the second clutch part in size, and the groove extends along the axial direction of the rotating gear ring and is uniformly arranged along the circumferential direction of the rotating gear ring at intervals. Therefore, the first clutch part and the second clutch part have simple structures, are convenient to connect and disconnect, and enter into the clutch control of the winch.

Further, the driving member is a cam mounted on an output shaft of the driving motor, the transmission member is disposed at one side of the driving member, in an initial state, a small end of the driving member is opposite to the driving member, the elastic restoring member is in a natural state, the driving member rotates to a state that a large end of the driving member abuts against the transmission member, the second clutch portion of the clutch member is inserted into one of the first clutch portions of the rotating gear ring, and the elastic restoring member deforms to store potential energy. In this way, the first clutch part and the second clutch part can be separated by pushing the driving part to the driving part.

Further, the control assembly is used for controlling the start and stop of the driving motor and comprises a first travel switch and a second travel switch,

in the initial state, the clutch member moves to the position where the second clutch portion is separated from the first clutch portion of the rotary gear ring, the first travel switch turns off the driving motor, the clutch member stops,

and the second clutch part of the clutch member is completely separated from the first clutch part of the rotary gear ring, the clutch member moves to the state that the second clutch part of the clutch member is connected with the second clutch part of the rotary gear ring, and the second travel switch turns off the driving motor, so that the clutch member stops. The stroke of the clutch member can be controlled by controlling the driving motor so as to stabilize the clutch member in a required state.

Further, the first travel switch and the second travel switch are micro-switches, and are arranged on two sides of the transmission member along the moving direction of the transmission member, in an initial state, the transmission member is abutted against the elastic sheet of the first travel switch, and in a state that the second clutch part of the clutch member is completely separated from the first clutch part of the rotary gear ring, the transmission member is abutted against the elastic sheet of the second travel switch.

The technical scheme adopted for further solving the second technical problem is as follows: a winch, characterized by comprising a winch clutch structure as described above.

Compared with the prior art, the utility model has the advantages that: when the second clutch part of the clutch part is connected with the first clutch part of the rotary gear ring, the rotary gear ring stops, and the planetary gear set in the gear box can normally rotate, so that power is transmitted to the winch barrel of the winch, and the winch barrel is in a rotating state; when the second clutch part of the clutch part is separated from the first clutch part of the rotary gear ring, the rotary gear ring rotates, and the planetary gear set in the gear box does not rotate, so that power cannot be transmitted to the winch barrel of the winch, and the winch barrel is in a static state.

In the initial state, the first clutch part is connected with the second clutch part, the winch barrel is in a rotating state, the clutch piece is driven by the driving assembly to separate the first clutch part from the second clutch part, and the winch barrel is switched from the rotating state to the static state; and in a state that the second clutch part of the clutch piece is separated from the first clutch part of the rotary gear ring, the clutch piece can be restored to the initial state through the elastic reset piece, and then the winding drum is in a rotary state again. Compared with the traditional manual clutch, the clutch control device can conveniently realize clutch control of the winch, and the guiding of the clutch piece and the elastic reset piece is realized through the guiding component, so that the clutch piece can stably move along the axial direction of the rotating gear ring, the accuracy of the clutch action of the clutch piece is ensured, and the reliability of the clutch control of the winch is further improved.

Drawings

FIG. 1 is a schematic diagram of a winch clutch structure according to an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a winch clutch structure according to an embodiment of the present utility model (in a state in which the rotating ring gear is not stopped);

FIG. 3 is a schematic view of a part of the clutch structure of the winch according to the embodiment of the present utility model (in a state where the rotating ring gear is not stopped);

FIG. 4 is a partial cross-sectional view of a winch clutch structure according to an embodiment of the present utility model (in a state in which the rotating ring gear is not stopped);

FIG. 5 is a schematic view of a part of the winch clutch structure according to the embodiment of the present utility model (in a state where the rotating ring gear is stopped);

FIG. 6 is a partial cross-sectional view of a winch clutch structure according to an embodiment of the present utility model (in a rotating ring gear stopped state);

FIG. 7 is a schematic view of a mounting cover according to an embodiment of the present utility model;

FIG. 8 is a schematic view of an end cap according to an embodiment of the present utility model;

FIG. 9 is a schematic view of a stationary ring gear according to an embodiment of the present utility model;

fig. 10 is a schematic structural view of a rotary ring gear according to an embodiment of the present utility model.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for purposes of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and because the disclosed embodiments of the present utility model may be arranged in different orientations, these directional terms are merely for illustration and should not be construed as limitations, such as "upper", "lower" are not necessarily limited to orientations opposite or coincident with the direction of gravity. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

A winch includes a winch drum (not shown) and a winch engaging and disengaging structure for controlling the operating state (i.e., rotation and standstill) of the winch drum. As shown in fig. 1 to 10, the winch clutch structure of the present utility model includes a gear case 1, a clutch member 2, a driving unit 3, an elastic restoring member 4, and a guide unit 5. The gear case 1 includes a cylindrical case 10, the case 10 includes an end cover 101 at one end, and the case 10 is provided with a planetary gear set 11, a rotary gear ring 12, and a stationary gear ring 13, wherein the rotary gear ring 12 is provided with a first clutch portion 121.

Further, the clutch 2 has a second clutch portion 21 detachably connected to the first clutch portion 121 of the rotary ring gear 12, and is movable in the axial direction of the rotary ring gear 12 to connect or disconnect the first clutch portion 121 to or from the second clutch portion 21. In the initial state, the first clutch portion 121 is connected to the second clutch portion 21. The driving assembly 3 includes a driving motor 31 and is used for driving the clutch member 2 to move in the axial direction of the rotary ring gear 12 in an initial state so as to disengage the first clutch portion 121 from the second clutch portion 21. The elastic restoring member 4 can cause the first clutch portion 121 to be connected to the second clutch portion 21 in a state where the second clutch portion 21 of the clutch member 2 is disengaged from the first clutch portion 121 of the rotary ring gear 12. The guiding components 5 are respectively used for guiding the clutch piece 2 to move along the axial direction of the rotary gear ring 12 and deform the elastic restoring piece 4. The guiding of the clutch piece 2 and the elastic reset piece 4 is realized through the guiding component 5, so that the clutch piece 2 can stably move along the axial direction of the rotary gear ring 12, the accuracy of clutch action is ensured, and the reliability of winch clutch control is further improved.

In the state that the second clutch part 21 of the clutch piece 2 is connected with the first clutch part 121 of the rotary gear ring 12, the rotary gear ring 12 stops, and the planetary gear set 11 in the gear box 1 can normally rotate, so that power is transmitted to a winch drum of a winch, and the winch drum is in a rotating state; in a state where the second clutch portion 21 of the clutch member 2 is disengaged from the second clutch portion 21 of the rotary ring gear 12, the rotary ring gear 12 rotates, and the planetary gear set 11 in the gear case 1 does not rotate, so that power cannot be transmitted to the winding drum of the winch, and the winding drum is in a stationary state. In this initial state, the first clutch part 121 is connected to the second clutch part 21, the winding drum is in a rotating state, the clutch 2 is driven by the driving unit 3 to disengage the first clutch part 121 from the second clutch part 21, and the winding drum is switched from the rotating state to the stationary state. In a state where the second clutch portion 21 of the clutch member 2 is disengaged from the first clutch portion 121 of the rotary ring gear 12, the clutch member 2 can be restored to the original state by the elastic restoring member 4, and the winding drum can be brought into the rotary state again. Therefore, the utility model can realize the clutch control of the winch, and compared with the traditional manual clutch control, the utility model has convenient control.

Further, the driving assembly 3 further includes a driving member 32 and a transmission member 33, wherein the driving member 32 is mounted on an output shaft 311 of the driving motor 31. The transmission member 33 is capable of interlocking with the driving member 32 and is connected to the clutch member 2. The guide assembly 5 includes a guide rod 6 extending along an axial direction of the rotary gear ring 12, the transmission member 33 is capable of moving along a length direction of the guide rod 6, and the elastic restoring member 4 is a restoring spring sleeved on the guide rod 6, and one end of the restoring spring is limited, and the other end of the restoring spring is capable of abutting against the transmission member 33. The driving motor 31 drives the driving piece 32 to rotate, so that the driving piece 33 is driven to move along the guide rod 6, the clutch piece 2 is further driven to move along the axial direction of the rotating gear ring 12 under the guide of the guide rod 6, and the clutch piece 2 is driven and guided through a compact structure.

Preferably, the driving member 33 is a plate member that is sleeved on the guide rod 6, so that the driving member 33 can be simply structured and can move along the guide rod 6 well. Further, the direction of the driving member 33 is perpendicular to the moving direction of the clutch member 2, the clutch member 2 is connected to the middle of the driving member 33 along the length direction thereof, the guide assemblies 5 and the elastic restoring members 4 are respectively disposed on two sides of the driving member 33, the elastic restoring members 4 are in one-to-one correspondence with the guide rods 6 of the guide assemblies 5, and two ends of the driving member 33 are respectively recessed to form notches 332 and are respectively connected to the guide rods 6 of the corresponding guide assemblies 5 through the notches 332. In this way, the clutch member 2 can move along the axial direction of the rotary gear ring 12 more smoothly by guiding the guide assemblies 5 at the two sides, so that the reliability of the control of the twisting disc clutch can be better ensured.

In this embodiment, the end face of the end cover 101 of the case 10 is covered with a cylindrical mounting cover 8, and mounting seats 81 corresponding to the elastic restoring members 4 one by one are respectively fixed on the inner end face of the mounting cover 8, each mounting seat 81 is a cylindrical structure arranged along the axial direction of the mounting cover 8, one end of each elastic restoring member 4 is respectively embedded in the corresponding mounting seat 81, and the corresponding end of the guide rod 6 corresponding to each elastic restoring member 4 is respectively inserted in the corresponding mounting seat 81, thereby realizing stable installation of the elastic restoring members 4 and the guide rod 6. And the other end of each guide bar 6 is fixed to the end wall of the end cap 101.

Further, the clutch member 2 is a rod member, the middle portion of the transmission member 33 along the length direction thereof is provided with a mounting hole 331, and one end of the clutch member 2 is inserted into the mounting hole 331 and is fixed by a fastener 34 (specifically, a nut in this embodiment), so that the clutch member 2 is firmly connected with the transmission member 33. Meanwhile, the other end of the clutch member 2 forms the second clutch part 21, and the first clutch part 121 is a groove formed on the rotating ring gear 12 and matched with the second clutch part 21 in size, and the groove extends along the axial direction of the rotating ring gear 12 and is provided at intervals along the circumferential direction of the rotating ring gear 12. This makes the first clutch part 121 and the second clutch part 21 simple in structure, facilitates the connection and disconnection of the two parts, and facilitates the clutch control of the winch.

Further, the driving member 32 is a cam mounted on an output shaft 311 of the driving motor 31, and the transmission member 33 is provided on one side of the driving member 32. In an initial state, the small end (i.e., the end with a smaller radius) of the driving member 32 is opposite to the driving member 32, the elastic restoring member 4 is in a natural state, the driving member 32 is rotated until the large end (i.e., the end with a larger radius) thereof abuts against the driving member 33, the second clutch portion 21 of the clutch member 2 is inserted into one of the second clutch portions 21 of the rotating ring gear 12, and the elastic restoring member 4 is deformed to accumulate potential energy. In this way, the first clutch portion 121 and the second clutch portion 21 can be disengaged by pushing the driving member 32 against the driving member 33. In this embodiment, the end face of the end cover 101 of the case 10 is provided with a jack 1010, one side hole edge of the jack 1010 extends along the side wall of the end cover 101 to form a first groove 1011 extending in the axial direction, and at the same time, the outer circumferential surface of the stationary ring gear 13 is recessed in the axial direction to form a second groove 131, and the second groove 131 and the first groove 1011 are spliced inside and outside to form a duct through which the clutch member 2 passes, so that the second clutch portion 21 of the clutch member 2 can pass through the gear case 1 to be connected with the first clutch portion 121 of the rotary ring gear 12.

Further, a control assembly 7 for controlling the on/off of the driving motor 31 is further included, and the control assembly 7 includes a first travel switch 71 and a second travel switch 72. In the initial state, the clutch 2 is moved until the second clutch portion 21 is disengaged from the first clutch portion 121 of the rotary ring gear 12, and the first travel switch 71 turns off the driving motor 31, thereby stopping the clutch 2. In a state where the second clutch portion 21 of the clutch 2 is completely disengaged from the first clutch portion 121 of the rotary ring gear 12, the clutch 2 is moved until the second clutch portion 21 thereof is connected to the first clutch portion 121 of the rotary ring gear 12, and the second travel switch 72 turns off the driving motor 31, thereby stopping the clutch 2. The stroke of the clutch member 2 can be controlled by controlling the driving motor 31 so that the clutch member 2 is restrained in a desired state. Specifically, the first travel switch 71 and the second travel switch 72 are micro switches, and are disposed on both sides of the transmission member 33 along the moving direction of the transmission member 33, in the initial state, the transmission member 33 abuts against the elastic piece of the first travel switch 71, and in the state that the second clutch portion 21 of the clutch member 2 is completely separated from the first clutch portion 121 of the rotating ring gear 12, the transmission member 33 abuts against the elastic piece of the second travel switch 72. Thereby, the opening and closing control of the driving motor 31 can be better realized, and the stroke of the clutch 2 can be better controlled.

In the present embodiment, a mounting bracket 9 is fixed to the outer end surface of the end cover 101, and the driving motor 31 and the travel switches are mounted on the mounting bracket 9.

Claims (10)

1. A winch clutch structure, comprising a gear box (1) with a rotary gear ring (12), characterized in that the rotary gear ring (12) is provided with a first clutch part (121), and further comprises

A clutch member (2) having a second clutch portion (21) detachably connected to the first clutch portion (121) of the rotary ring gear (12), the clutch member being movable in the axial direction of the rotary ring gear (12) to connect or disconnect the first clutch portion (121) to or from the second clutch portion (21), and the first clutch portion (121) being connected to the second clutch portion (21) in an initial state;

a driving assembly (3) which comprises a driving motor (31) and is used for driving the clutch piece (2) to move along the axial direction of the rotary gear ring (12) in an initial state so as to separate the first clutch part (121) from the second clutch part (21);

an elastic return member (4) that can cause the first clutch section (121) to have a tendency to connect with the second clutch section (21) in a state in which the second clutch section (21) of the clutch member (2) is disengaged from the first clutch section (121) of the rotary ring gear (12);

and the guide assembly (5) is used for respectively guiding the axial movement of the clutch piece (2) along the rotating gear ring (12) and the deformation of the elastic reset piece (4).

2. Winch clutch structure according to claim 1, characterized in that the drive assembly (3) further comprises

A driving element (32) mounted on an output shaft (311) of the driving motor (31);

a transmission member (33) which is linked with the driving member (32) and is connected with the clutch member (2);

the guide assembly (5) comprises a guide rod (6) extending along the axial direction of the rotary gear ring (12), the transmission piece (33) can move along the length direction of the guide rod (6), the elastic reset piece (4) is a reset spring sleeved on the guide rod (6), one end of the reset spring is limited, and the other end of the reset spring can be abutted against the transmission piece (33).

3. Winch clutch structure according to claim 2, characterized in that the transmission member (33) is a plate member which is sleeved on the guide bar (6).

4. The winch clutch structure according to claim 3, wherein the driving member (33) is disposed in a direction perpendicular to the moving direction of the clutch member (2), the clutch member (2) is connected to a middle portion of the driving member (33) along a length direction thereof, the guiding members (5) and the elastic restoring members (4) are disposed on both sides of the driving member (33) respectively, the elastic restoring members (4) are in one-to-one correspondence with the guiding rods (6) of the guiding members (5),

and, both ends of the transmission member (33) are respectively concave to form notches (332), and are respectively sleeved on the guide rods (6) of the corresponding guide assemblies (5) through the notches (332).

5. The winch clutch structure according to claim 4, wherein the clutch member (2) is a rod member, a mounting hole (331) is formed in a middle portion of the transmission member (33) in a length direction thereof, and one end of the clutch member (2) is inserted into the mounting hole (331) and fixed by a fastener (34).

6. The winch clutch structure according to claim 5, wherein the other end portion of the clutch member (2) constitutes the second clutch portion (21), and the first clutch portion (121) is a groove formed in the rotary ring gear (12) and having a size matching that of the second clutch portion (21), the groove extending in the axial direction of the rotary ring gear (12) and being provided at intervals in the circumferential direction of the rotary ring gear (12).

7. The winch clutch structure according to claim 6, wherein the driving member (32) is a cam mounted on an output shaft (311) of the driving motor (31), the transmission member (33) is disposed at one side of the driving member (32), the small end of the driving member (32) faces the driving member (32) in an initial state, the elastic restoring member (4) is in a natural state, the driving member (32) rotates to a state in which the large end thereof abuts against the transmission member (33), the second clutch portion (21) of the clutch member (2) is inserted into one of the first clutch portions (121) of the rotating ring gear (12), and the elastic restoring member (4) deforms to accumulate potential energy.

8. Winch clutch structure according to any one of claims 1 to 7, characterized in that it further comprises a control assembly (7) for controlling the on/off of said driving motor (31), said control assembly (7) comprising a first travel switch (71) and a second travel switch (72),

in the initial state, the clutch member (2) is moved until the second clutch portion (21) is disengaged from the first clutch portion (121) of the rotary ring gear (12), the first travel switch (71) turns off the driving motor (31), the clutch member (2) is stopped,

and the second clutch part (21) of the clutch member (2) is separated from the first clutch part (121) of the rotary gear ring (12), the clutch member (2) moves to the state that the second clutch part (21) is connected with the second clutch part (21) of the rotary gear ring (12), and the second travel switch (72) turns off the driving motor (31) to stop the clutch member (2).

9. The winch clutch structure according to claim 8, wherein the first travel switch (71) and the second travel switch (72) are micro switches, and are disposed on both sides of the transmission member (33) along a moving direction of the transmission member (33), wherein in an initial state, the transmission member (33) abuts against a spring piece of the first travel switch (71), and wherein in a state in which the second clutch portion (21) of the clutch member (2) is disengaged from the first clutch portion (121) of the rotating ring gear (12), the transmission member (33) abuts against a spring piece of the second travel switch (72).

10. Winch, characterized in that it comprises a winch clutch structure according to any one of claims 1 to 9.

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