CN117342456A - Vehicle winch and vehicle with same - Google Patents

Abstract

The embodiment of the invention provides a vehicle winch and a vehicle with the same. The winch comprises a motor component, a rope drum component and a reduction gear component, wherein a drum cavity extending along the axial direction of the rope drum component is formed in the rope drum component, a part of the motor component is arranged in the drum cavity, the speed gear component comprises a primary planetary gear train and a reduction gear train assembly, the motor component, the primary planetary gear train and the reduction gear train assembly are sequentially arranged along the axial direction of the rope drum component, the primary planetary gear train is arranged in the drum cavity, the input end of the primary planetary gear train is connected with the output end of the motor component, the output end of the primary planetary gear train is connected with the input end of the reduction gear train assembly, and the output end of the reduction gear train assembly is connected with the input end of the rope drum component. Therefore, the vehicle winch according to the embodiment of the invention has the advantages of compact structure and low production cost.

Description

Vehicle winch and vehicle with same

Technical Field

The invention relates to the technical field of vehicles, in particular to a vehicle winch and a vehicle with the vehicle winch.

Background

The winch is a winch drum with power, speed reducing and braking devices, and is mainly used for off-road vehicles, agricultural vehicles, yachts, fire-fighting rescue vehicles, road wrecker, other special vehicles and special vehicles. Winch typically includes a rope drum assembly and a drive motor. The rope drum component winds the chain rope or releases the chain rope under the control of the driving motor, so that the traction of the heavy object is realized. In the related art, the motor is placed at the outer side of the rope drum assembly, and the output shaft of the motor and the transmission of the speed reducing mechanism have the problems of large torque and large size due to the oversized winch of the vehicle.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, an embodiment of the present invention proposes a vehicle winch. The vehicle winch has the advantages of compact structure and low production cost.

The embodiment of the invention also provides a vehicle.

The vehicle winch of the embodiment of the present invention includes a motor assembly, a rope drum assembly and a reduction gear assembly.

The rope drum assembly comprises a drum body, a drum cavity extending along the axial direction of the rope drum assembly is formed in the drum body, at least one part of the motor assembly is arranged in the drum cavity, the drum body is cylindrical, the speed gear assembly comprises a primary planetary gear train and a reduction gear train assembly, the motor assembly, the primary planetary gear train and the reduction gear train assembly are sequentially arranged along the axial direction of the rope drum assembly, the primary planetary gear train is arranged in the drum cavity, the input end of the primary planetary gear train is connected with the output end of the motor assembly, the output end of the primary planetary gear train is connected with the input end of the reduction gear train assembly, and the output end of the reduction gear train assembly is connected with the input end of the rope drum assembly. In other words, the primary planetary gear train is disposed between the motor assembly and the reduction gear train assembly.

According to the vehicle winch disclosed by the embodiment of the invention, the primary planetary gear train is arranged between the motor assembly and the reduction gear train assembly, so that the distance between the output shaft of the motor assembly and the primary planetary gear train can be reduced, the torque between the output shaft of the motor assembly and the primary planetary gear train is reduced, the requirement of the output shaft of the motor assembly on load bearing is reduced, and the production cost of the vehicle winch is further reduced. In addition, with a part of motor assembly with one-level planetary gear train sets up in the rope reel subassembly, further reduces the axial distance between the output shaft of motor and the one-level planetary gear train, further reduces the demand that the output shaft of motor born the load, further reduced the manufacturing cost of vehicle capstan, make full use of the idle space of the inside of rope reel subassembly moreover. Meanwhile, a part of the motor assembly is arranged in the rope drum assembly, so that the axial size of the vehicle winch is reduced, and the advantage of improving the compactness of the structure is achieved.

Therefore, the vehicle winch provided by the embodiment of the invention has the advantages of compact structure and low production cost.

In some embodiments, the primary planetary gear train comprises a primary sun gear, a primary planet carrier, a primary ring gear and a plurality of primary planet gears, the plurality of primary planet gears are arranged at intervals along the circumference of the primary sun gear, each primary planet gear is meshed with each of the primary sun gear and the primary ring gear, the plurality of primary planet gears are rotatably arranged on the primary planet carrier, the primary sun gear is connected with the output end of the motor assembly, and the primary ring gear is connected with the speed reduction gear train assembly.

In some embodiments, the motor assembly comprises a stator cylinder and a rotor, wherein the stator cylinder is sleeved on the rotor, and one end of the primary annular gear is fixed on the stator cylinder.

In some embodiments, the reduction gear train assembly includes a secondary planetary gear train including a secondary sun gear, a secondary planet carrier, a secondary ring gear, and a plurality of secondary planet gears disposed at intervals along a circumference of the secondary sun gear, each of the secondary planet gears being in mesh with each of the secondary sun gear and the secondary ring gear, a plurality of the secondary planet gears being rotatably disposed on the secondary planet carrier, the secondary sun gear being connected to the primary planet carrier.

In some embodiments, the primary planet carrier has one of a first mating hole and a first mating shaft extending in an axial direction of the rope drum assembly, and the secondary sun has the other of the first mating shaft and the first mating hole extending in the axial direction of the rope drum assembly, the first mating shaft being disposed within the first mating hole.

In some embodiments, the secondary planet carrier is connected to the rope drum assembly at the output end of the reduction gear assembly.

In some embodiments, the reduction gear train assembly further comprises a third-stage planetary gear train, the first-stage planetary gear train, the third-stage planetary gear train and the second-stage planetary gear train are sequentially arranged along the axial direction of the rope drum assembly, the third-stage planetary gear train comprises a third-stage sun gear, a third-stage planet carrier, a third-stage inner gear ring and a plurality of third-stage planet gears, the plurality of third-stage planet gears are arranged at intervals along the circumferential direction of the third-stage sun gear, each third-stage planet gear is meshed with each of the third-stage sun gear and the third-stage inner gear ring, the plurality of third-stage planet gears are rotatably arranged on the third-stage planet carrier, the third-stage planet carrier is the output end of the reduction gear assembly is connected with the rope drum assembly, and the second-stage planet carrier is connected with the third-stage sun gear.

In some embodiments, the secondary planet carrier has one of a second mating bore and a second mating shaft extending in an axial direction of the rope drum assembly, the tertiary sun has the other of the second mating shaft and the second mating bore extending in the axial direction of the rope drum assembly, the second mating shaft is disposed within the second mating bore, the second mating shaft has a central bore through which the first mating shaft passes.

In some embodiments, the rope drum assembly further comprises a first connecting part and a second connecting part, the first connecting part and the second connecting part are respectively arranged at two ends of the cylinder body, the motor assembly further comprises a shell, the first connecting part is rotatably connected with the shell, and the second connecting part is connected with the three-stage planet carrier.

In some embodiments, the periphery of the three-stage planet carrier is provided with one of a limiting groove and a limiting protrusion, the second connecting part is provided with the other one of the limiting protrusion and the limiting groove, and the limiting protrusion is arranged in the limiting groove.

In some embodiments, the reduction train assembly further comprises a reduction gearbox, the secondary ring gear and the tertiary ring gear each being disposed within the reduction gearbox.

In some embodiments, the rope drum assembly further comprises a liner ring, the drum body is sleeved on the liner ring, and a fixing part for fixing the traction rope is arranged on the liner ring.

The vehicle of an embodiment of the present invention may comprise a vehicle winch according to any one of the embodiments described above.

Drawings

Fig. 1 is a perspective view of a vehicle winch according to an embodiment of the present invention, with a reduction gearbox omitted.

Fig. 2 is a partial exploded view of a vehicle winch according to an embodiment of the present invention, with a reduction gearbox omitted.

Fig. 3 is another partial exploded view of a vehicle winch according to an embodiment of the present invention.

Fig. 4 is yet another exploded view of a vehicle winch according to an embodiment of the present invention.

Fig. 5 is yet another exploded view of a vehicle winch according to an embodiment of the present invention.

Fig. 6 is yet another exploded view of the motor assembly and primary planetary gear train of an embodiment of the present invention.

Fig. 7 is an exploded view of a reduction gear assembly and motor assembly of an embodiment of the present invention.

Reference numerals:

a vehicle winch 100;

a motor assembly 1; a stator cylinder 11; a rotor 12; a cylinder chamber 13;

a reduction gear assembly 2; a primary planetary gear train 21; a primary sun gear 211; a primary planet carrier 212; a primary ring gear 213; a primary planet 214; a first fitting hole 215;

a secondary planetary gear train 22; a secondary sun gear 221; a secondary planet carrier 222; secondary ring gear 223; a secondary planet 224; a first mating shaft 225; a second mating shaft 226; a central aperture 227;

a three-stage planetary gear train 23; a three-stage sun gear 231; a three-stage planet carrier 232; three-stage ring gear 233; three-stage planets 234; a second fitting hole 235; a limit groove 236;

a reduction gearbox 24;

a rope drum assembly 3; a cylinder 31; a first connecting portion 32; a second connection portion 33; a limit protrusion 331; and a liner 32.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.

A vehicle winch 100 according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

The vehicle winch 100 of the embodiment of the present invention includes a motor assembly 1, a rope reel assembly 3, and a reduction gear assembly 2.

The rope drum assembly 3 comprises a drum body 31, a drum cavity 13 extending along the axial direction of the rope drum assembly 3 is formed in the drum body 31, a part of the motor assembly 1 is arranged in the drum cavity 13, the drum body 31 is cylindrical, the speed gear assembly comprises a primary planetary gear train 21 and a reduction gear train assembly, the motor assembly 1, the primary planetary gear train 21 and the reduction gear train assembly are sequentially arranged along the axial direction of the rope drum assembly 3, the primary planetary gear train 21 is arranged in the drum cavity 13, the input end of the primary planetary gear train 21 is connected with the output end of the motor assembly 1, the output end of the primary planetary gear train 21 is connected with the input end of the reduction gear train assembly, and the output end of the reduction gear train assembly is connected with the input end of the rope drum assembly 3. In other words, the primary planetary gear train 21 is disposed between the motor assembly 1 and the reduction gear train assembly.

According to the vehicle winch 100 provided by the embodiment of the invention, the primary planetary gear train 21 is arranged between the motor assembly 1 and the reduction gear train assembly, so that the distance between the output shaft of the motor assembly 1 and the primary planetary gear train 21 can be reduced, and further, the torque between the output shaft of the motor assembly 1 and the primary planetary gear train 21 and the load bearing requirement of the output shaft of the motor assembly 1 are reduced, and the production cost of the vehicle winch 100 is reduced. In addition, set up the axial distance between the output shaft of motor and the one-level planetary gear train 21 with the partly of motor assembly 1 and one-level planetary gear train 21 in the rope reel subassembly 3, further reduce the output shaft of motor and bear the demand to the load, further reduced the manufacturing cost of vehicle capstan 100, but also have the effect of the idle space of make full use of inside of rope reel subassembly 3, can reduce the axial size of vehicle capstan 100, have the advantage that promotes vehicle capstan 100 compact structure.

Therefore, the vehicle winch 100 of the embodiment of the present invention has the advantages of compact structure and low production cost.

As shown in fig. 3 and 5, the primary planetary gear train 21 includes a primary sun gear 211, a primary carrier 212, a primary ring gear 213, and a plurality of primary planet gears 214 disposed at intervals along the circumferential direction of the primary sun gear 211, each primary planet gear 214 being engaged with each of the primary sun gear 211 and the primary ring gear 213, the plurality of primary planet gears 214 being rotatably disposed on the primary carrier 212, the primary sun gear 211 being connected with the output end of the motor assembly 1, and the primary ring gear 213 being connected with the reduction gear train assembly. In other words, the primary planet carrier 212 is the output of the primary planetary gear train 21, and the primary sun gear 211 is the input of the primary planetary gear train 21. It can be understood that the primary ring gear 213 is connected to the rope drum assembly 3, the primary sun gear 211 is connected to the output end of the motor assembly 1, the primary planet gears 214 are decelerated by the primary ring gear 213, and the primary planet carriers 212 are connected to the plurality of primary planet gears 214, so that the primary planet carriers 212 decelerate correspondingly.

According to the vehicle winch 100 disclosed by the embodiment of the invention, the rotation synchronism of the plurality of first-stage planetary gears 214 can be ensured by arranging the first-stage planetary frame 212, and the advantages of structural stability and reliability of power transmission are improved.

As shown in fig. 3 and 4, the motor assembly 1 includes a stator 11 and a rotor 12, the stator 11 is sleeved on the rotor 12, and one end of a primary ring gear 213 is fixed on the stator 11.

According to the vehicle winch 100 of the embodiment of the invention, one end of the primary annular gear 213 is arranged on the stator cylinder 11, so that the distance between the primary planetary gear train 21 and the reduction gear train assembly is reduced, and the distance between the output end on the primary planet carrier 212 and the reduction gear train assembly is reduced, so that the requirement for further reducing the bearing capacity of the output shaft between the output end on the primary planet carrier 212 and the reduction gear train assembly is met, and the production cost of the vehicle winch 100 is further reduced.

As shown in fig. 3 and 5, the reduction gear train assembly includes a secondary planetary gear train 22, the secondary planetary gear train 22 including a secondary sun gear 221, a secondary planet carrier 222, a secondary ring gear 223, and a plurality of secondary planet gears 224, the plurality of secondary planet gears 224 being disposed at intervals along a circumferential direction of the secondary sun gear 221, each secondary planet gear 224 being in mesh with each of the secondary sun gear 221 and the secondary ring gear 223, the plurality of secondary planet gears 224 being rotatably disposed on the secondary planet carrier 222, the secondary sun gear 221 being connected to the primary planet carrier 212.

According to the vehicle winch 100 disclosed by the embodiment of the invention, the speed reduction gear train assembly comprises the second-stage planetary gear train 22, and the rope drum assembly 3 can be further reduced by the mutual matching of the second-stage planetary gear train 22 and the first-stage planetary gear train 21, so that the problem of overlarge speed of the winch is prevented. The plurality of secondary planet gears 224 are driven, and have the advantages of high stability of driving and rapid increase of the driving ratio.

Alternatively, the number of the plurality of secondary planets 224 may be three, and the three secondary planets 224 may be uniformly arranged along the circumferential direction of the secondary sun gear 221.

Specifically, the primary planet carrier 212 has one of a first fitting hole 215 and a first fitting shaft 225 extending in the axial direction of the rope drum assembly 3, and the secondary sun gear 221 has the other of the first fitting shaft 225 and the first fitting hole 215 extending in the axial direction of the rope drum assembly 3, the first fitting shaft 225 being disposed within the first fitting hole 215. In other words, the primary planet carrier 212 has a first mating hole 215 extending in the axial direction of the rope drum assembly 3, and the secondary sun gear 221 has a first mating shaft 225 extending in the axial direction of the rope drum assembly 3; alternatively, the primary planet carrier 212 has a first mating shaft 225 extending in the axial direction of the rope drum assembly 3, and the secondary sun 221 has a first mating hole 215 extending in the axial direction of the rope drum assembly 3.

According to the vehicle winch 100 disclosed by the embodiment of the invention, the primary planet carrier 212 and the secondary sun gear 221 are mutually matched through the first matching hole 215 and the first matching shaft 225, so that the vehicle winch has the advantages of simple structure and high smoothness of running matching.

The secondary planet carrier 222 is connected to the rope drum assembly 3 for the output of the reduction gear assembly 2. Has the advantages of simple structure and high compactness.

The present invention is not limited thereto, and in some embodiments, as shown in fig. 3 and 5, the reduction gear train assembly further includes a tertiary planetary gear train 23, the primary planetary gear train 21, the tertiary planetary gear train 23, and the secondary planetary gear train 22 are sequentially arranged in an axial direction of the rope drum assembly 3, the tertiary planetary gear train 23 includes a tertiary sun gear 231, a tertiary planet carrier 232, a tertiary ring gear 233, and a plurality of tertiary planet gears 234, the plurality of tertiary planet gears 234 are disposed at intervals along a circumferential direction of the tertiary sun gear 231, each of the tertiary planet gears 234 is engaged with each of the tertiary sun gear 231 and the tertiary ring gear 233, the plurality of tertiary planet gears 234 are rotatably disposed on the tertiary planet carrier 232, the tertiary planet carrier 232 is an output end of the reduction gear assembly 2 connected to the rope drum assembly 3, and the secondary planet carrier 222 is connected to the tertiary sun gear 231.

It will be appreciated that the rotational midlines of the primary, secondary and tertiary planetary gear trains 21, 22 and 23 are collinear, and that the rope drum assembly 3 is slowed down via the primary, secondary and tertiary planetary gear trains 21, 22 and 23.

The vehicle winch 100 according to the embodiment of the present invention can further reduce the speed of the rope reel assembly 3 by providing the three-stage planetary gear train 23, which is helpful for realizing the control of the low-speed winding and unwinding of the traction rope by the rope reel assembly 3 and the compactness of the structure. In addition, the primary planetary gear system 21, the secondary planetary gear system 22 and the tertiary planetary gear system 23 are adopted for transmission, and the transmission device has the advantages of high transmission efficiency and good stability.

Specifically, the secondary planet carrier 222 has one of a second fitting hole 235 and a second fitting shaft 226 extending in the axial direction of the rope drum assembly 3, the tertiary sun 231 has the other of the second fitting shaft 226 and the second fitting hole 235 extending in the axial direction of the rope drum assembly 3, the second fitting shaft 226 is disposed within the second fitting hole 235, and the second fitting shaft 226 has a center hole 227 through which the first fitting shaft 225 passes.

As shown in fig. 4 and 5, the rope drum assembly 3 further includes a first connecting portion 32 and a second connecting portion 33, the first connecting portion 32 and the second connecting portion 33 are respectively disposed at both ends of the drum body 31, the motor assembly 1 further includes a housing, the first connecting portion 32 is rotatably connected to the housing, and the second connecting portion 33 is connected to the tertiary planet carrier 232. It will be appreciated that the motor assembly 1 and the reduction gear train assembly are provided at both ends of the rope drum assembly 3.

The vehicle winch 100 of the embodiment of the present invention can ensure the efficiency of the rotational fit of the connection portion with the corresponding component by providing the first connection portion 32 and the second connection portion 33. In addition, the motor component 1 and the reduction gear train component are respectively provided with two ends of the rope drum component 3, so that the motor component has the functions of equalizing weight and balancing the two ends of the rope drum component 3, and the problem of tipping caused by uneven stress of the winding and unwinding traction rope due to the fact that one end of the rope drum component is too light is avoided.

Alternatively, the surface of the cylinder 31 may be provided with anti-slip patterns or an anti-slip rubber sleeve.

Optionally, for example, as shown in fig. 4, a first limiting plate and a second limiting plate are further disposed on the cylinder 31, the first limiting plate is disposed at a connection portion between the cylinder 31 and the first connection portion 32, and the second limiting plate is disposed at a connection portion between the cylinder 31 and the second connection portion 33. According to the vehicle winch 100 disclosed by the embodiment of the invention, the rope drum assembly 3 can be limited through the first limiting plate and the second limiting plate, so that the drum body 31 is prevented from shaking axially, and the stability of the rope drum assembly 3 is improved.

As shown in fig. 4 and 5, the outer periphery of the three-stage planet carrier 232 has one of a limiting groove 236 and a limiting protrusion 331, the second connecting portion 33 is provided with the other one of the limiting protrusion 331 and the limiting groove 236, and the limiting protrusion 331 is disposed in the limiting groove 236. In other words, the outer periphery of the third-stage planet carrier 232 has a limiting groove 236, and the second connecting portion 33 is provided with a limiting protrusion 331; or the periphery of the three-stage planet carrier 232 is provided with a limiting protrusion 331, and the second connecting part 33 is provided with a limiting groove 236.

The vehicle winch 100 according to the embodiment of the present invention has the advantage of the installation direction in that the three-stage carrier 232 and the second connecting portion 33 are defined by the limiting groove 236 and the limiting protrusion 331.

As shown in fig. 1 and 5, the reduction gear train assembly further includes a reduction gearbox 24, and the secondary ring gear 223 and the tertiary ring gear 233 are each disposed within the reduction gearbox 24.

The vehicle winch 100 according to the embodiment of the present invention can prevent the secondary ring gear 223 and the tertiary ring gear 233 from performing the limiting function by providing the reduction gearbox 24. In addition, the arrangement of the secondary planetary gear train 22 and the tertiary planetary gear train 23 in the reduction gearbox 24 has the advantage of small vibration and noise.

As shown in fig. 1 and 5, the rope reel assembly 3 further includes a liner ring 32, the drum body 31 is sleeved on the liner ring 32, and a fixing portion for fixing the traction rope is provided on the liner ring 32.

The vehicle winch 100 of the embodiment of the present invention has the advantage of saving space by arranging the inner race 32 inside the rope reel assembly 3.

The vehicle of the embodiment of the invention includes the vehicle winch 100 in any one of the embodiments described above.

In the description of the present invention, 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 convenience in describing the present invention 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 therefore should not be construed as limiting the present invention.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.

Claims (10)

1. A vehicle winch, comprising:

a motor assembly;

a rope drum assembly comprising a drum having a drum cavity extending in an axial direction of the rope drum assembly therein, at least a portion of the motor assembly being disposed in the drum cavity, the drum being cylindrical; and

the speed reduction gear assembly comprises a primary planetary gear train and a speed reduction gear train assembly, the motor assembly, the primary planetary gear train and the speed reduction gear train assembly are sequentially arranged along the axial direction of the rope drum assembly, the primary planetary gear train is arranged in the drum cavity, the input end of the primary planetary gear train is connected with the output end of the motor assembly, the output end of the primary planetary gear train is connected with the input end of the speed reduction gear train assembly, and the output end of the speed reduction gear train assembly is connected with the input end of the rope drum assembly.

2. The vehicle winch of claim 1, wherein the primary planetary gear train includes a primary sun gear, a primary planet carrier, a primary ring gear, and a plurality of primary planet gears disposed in spaced relation circumferentially about the primary sun gear, each of the primary planet gears being in mesh with each of the primary sun gear and the primary ring gear, the plurality of primary planet gears being rotatably disposed on the primary planet carrier, the primary sun gear being connected to an output of the motor assembly, the primary ring gear being connected to the reduction gear train assembly.

3. The vehicle winch of claim 2, wherein the motor assembly includes a stator tube and a rotor, the stator tube being sleeved on the rotor, one end of the primary ring gear being secured to the stator tube.

4. The vehicle winch of claim 1, wherein the reduction gear train assembly includes a secondary planetary gear train including a secondary sun gear, a secondary planet carrier, a secondary ring gear, and a plurality of secondary planet gears disposed at intervals along a circumferential direction of the secondary sun gear, each of the secondary planet gears being in mesh with each of the secondary sun gear and the secondary ring gear, the plurality of secondary planet gears being rotatably disposed on the secondary planet carrier, the secondary sun gear being connected to the primary planet carrier.

5. The vehicle winch of claim 4, wherein the secondary planet carrier is coupled to the rope drum assembly at an output end of the reduction gear assembly.

6. The vehicle winch of claim 4, wherein the reduction gear train assembly further comprises a tertiary planetary gear train, the primary planetary gear train, the tertiary planetary gear train and the secondary planetary gear train being sequentially aligned in an axial direction of the rope drum assembly, the tertiary planetary gear train including a tertiary sun gear, a tertiary planet carrier, a tertiary ring gear and a plurality of tertiary planet gears, the plurality of tertiary planet gears being disposed at intervals in a circumferential direction of the tertiary sun gear, each of the tertiary planet gears being engaged with each of the tertiary sun gear and the tertiary ring gear, the plurality of tertiary planet gears being rotatably disposed on the tertiary planet carrier, the tertiary planet carrier being an output of the reduction gear assembly connected to the rope drum assembly, the secondary planet carrier being connected to the tertiary sun gear.

7. The vehicle winch of claim 6, wherein the rope reel assembly further comprises a first connection portion and a second connection portion, the first connection portion and the second connection portion being disposed at both ends of the drum body, respectively, the motor assembly further comprises a housing, the first connection portion being rotatably connected to the housing, and the second connection portion being connected to the tertiary planet carrier.

8. The vehicle winch of claim 7, wherein the outer periphery of the tertiary planet carrier has one of a limit groove and a limit projection, the second connecting portion is provided with the other of the limit projection and the limit groove, and the limit projection is disposed in the limit groove.

9. The vehicle winch of claim 7, wherein the rope reel assembly further comprises an inner collar over which the drum body is fitted, the inner collar being provided with a securing portion for securing the hauling rope.

10. A vehicle comprising a vehicle winch according to any one of claims 1-9.