CN214693032U - Double-speed capstan clutch and double-speed electric capstan with same - Google Patents

Abstract

The application relates to a double-speed capstan clutch and a double-speed electric capstan with the same, relating to the field of winches and solving the defect that the existing electric capstan is mostly a single-speed capstan with clutch control and can only use single rated tension under the working conditions of different loads; the primary planet wheel assembly, the secondary planet wheel assembly and the tertiary planet wheel assembly are sequentially connected in a transmission manner to form speed reduction, the secondary planet wheel assembly comprises two planet wheel sets with different transmission ratios, each planet wheel set is provided with a second inner gear which is rotatably connected in the shell, and the outer side wall of the second inner gear is provided with at least one positioning hole; the speed regulating assembly comprises a clutch pin which can be inserted into or slide out of the positioning hole in a sliding mode. The double-speed winch has the effects of gear shifting interference and function non-identifiability which are different from those of the conventional double-speed winch.

Description

Double-speed capstan clutch and double-speed electric capstan with same

Technical Field

The application relates to the field of winches, in particular to a double-speed winch clutch and a double-speed electric winch with the same.

Background

An electric winch is a device which can be used for traction, such as an automobile winch, and can be used for self rescue and rescue in severe environment. The winch is a tool which utilizes the self power engine to rotate and pulls out the trapped automobile in a trouble through the fixed or dragged steel rope or the special rope belt at the other end, and is one of necessary tools of the off-road vehicle.

In the related art, the electric winch is often provided with a clutch mechanism in a reduction transmission case in addition to a traction function, and the clutch mechanism is used for cutting off power connection between a motor and a winding drum so as to facilitate the pulling operation of a steel wire rope on the winding drum; however, most of the existing electric winches are single-speed winches with clutch control, the application range of the single-speed winches is limited, and the electric winches have improved space.

SUMMERY OF THE UTILITY MODEL

In order to realize the double-speed belt clutch control of the electric winch and improve the application range of the electric winch, the application provides a winch clutch and a winch with the winch clutch.

In a first aspect, the present application provides a capstan clutch, which adopts the following technical solution:

a double-speed capstan clutch comprises a shell, a primary planet wheel component, a secondary planet wheel component, a tertiary planet wheel component and a speed regulating component, wherein the primary planet wheel component, the secondary planet wheel component and the tertiary planet wheel component are sequentially and rotatably connected in the shell;

the primary planet wheel assembly, the secondary planet wheel assembly and the tertiary planet wheel assembly are sequentially connected in a transmission manner to form speed reduction, the secondary planet wheel assembly comprises two planet wheel sets with different transmission ratios, each planet wheel set is provided with a second inner gear which is rotatably connected in the shell, and the outer side wall of the second inner gear is provided with at least one positioning hole;

the speed regulation assembly comprises clutch pins which penetrate through the shell and correspond to the second internal gears one by one, the clutch pins can slide in the axial direction of the clutch pins relative to the shell to insert into or slide out of the positioning holes, and at most one clutch pin is inserted into the positioning hole corresponding to the second internal gear.

By adopting the technical scheme, the clutch pins slide along the length direction and are inserted into the positioning holes, and when one ends of the two clutch pins close to the second inner gear are accommodated in the sliding holes, the primary planet wheel assembly is separated from the tertiary planet wheel assembly, and the clutch state is achieved; the double speed of the capstan clutch is realized by inserting different clutch pins into the positioning holes corresponding to the second internal gear, namely, the clutch pin close to the first-stage planetary wheel assembly is inserted into the positioning hole corresponding to the second internal gear, one end of the other clutch pin close to the second internal gear is accommodated in the sliding hole, the state is a low-speed state, the clutch pin far away from the first-stage planetary wheel assembly is inserted into the positioning hole corresponding to the second internal gear, one end of the other clutch pin close to the second internal gear is accommodated in the sliding hole, the state is a high-speed state, and the double-speed belt clutch control of the electric capstan is realized.

Optionally, the speed regulating assembly further comprises a base disc fixed on the housing, a driving member rotatably connected to one side of the base disc far away from the housing, and an elastic member sleeved on the clutch pin, wherein the elastic member keeps the clutch pin moving towards the direction close to the housing and inserting into the positioning hole;

one end of the clutch pin, which is far away from the shell, penetrates through the base disc and is connected with the driving piece, a rotating ramp is arranged on the outer side wall of the driving piece, which is far away from the base disc, a driving column which slides in the rotating ramp in a reciprocating manner is fixed at one end of the clutch pin, which is far away from the shell, and the driving piece comprises a clutch station, a low-speed station and a high-speed station;

when the driving piece is positioned at a clutch station, the two clutch pins are positioned at the outer sides of the positioning holes, and the elastic piece is in a compressed state; when the driving piece is positioned at a low-speed station or a high-speed station, one clutch pin is inserted into the positioning hole corresponding to the second internal gear, and the other clutch pin is positioned outside the positioning hole.

Through adopting above-mentioned technical scheme, the elastic component makes the separation and reunion round pin keep the trend that the direction that is close to the casing removed, make the drive post when the driving piece is in the separation and reunion station compress tightly the tank bottom of rotatory ramp under the effect of elastic component, in order to increase the frictional force between drive post and the driving piece, make the driving piece difficult emergence when the unmanned operation rotate, stability when having improved capstan winch clutch and using, make the separation and reunion round pin insert the locating hole that corresponds the second internal gear under the driving of elastic component when the driving piece is in high-speed station or low-speed station, the double speed that has realized electric capstan takes separation and reunion control.

Optionally, the clutch pin is provided with a limit ring on the outer side wall penetrating through the housing, and one end of the elastic member abuts against the base plate and the other end abuts against the limit ring.

Through adopting above-mentioned technical scheme, locate the clutch pin earlier with the elastic component cover on, wear to establish again with the clutch pin and install on the basal disc, make the one end of elastic component and basal disc butt other end and spacing ring butt, simple to operate has improved the packaging efficiency of clutch pin and elastic component, basal disc.

Optionally, the outer side wall of the driving part is further provided with at least one limiting groove for embedding the driving column, and the limiting groove is located at the bottom of the rotating ramp;

when the driving column is embedded into the limiting groove, one end, close to the second internal gear, of the clutch pin corresponding to the driving column is contained in the side wall of the shell.

Through adopting above-mentioned technical scheme, the setting of spacing groove for the drive post can keep inlaying under the effect of elastic component and locate the spacing inslot, makes the driving piece difficult emergence when the unmanned operation rotate, has improved the stability when capstan clutch uses.

Optionally, the speed adjusting assembly further comprises a handle fixed to one end of the driving member away from the housing.

Through adopting above-mentioned technical scheme, the area of gripping of driving piece has been increased in the setting of handle, and the person of facilitating the use grips in order to rotate the driving piece, has improved the availability factor of capstan clutch.

Optionally, one end of the handle, which is far away from the casing, is provided with a gear indicating dial, the gear indicating dial is rotatably connected with the handle, the gear indicating dial is fixedly connected with the casing, and one end of the handle, which is far away from the casing, is provided with an indicating block matched with the gear indicating dial for use.

Through adopting above-mentioned technical scheme, the instruction piece cooperates the gear indicator panel to use, instructs the current state of capstan clutch, and the person of facilitating the use directly perceivedly knows the state of current capstan clutch to conveniently adjust, improved the availability factor of capstan clutch.

Optionally, the speed governing subassembly is still located the driving piece including covering the sealed cowling of locating on the basal disc and overlapping and is kept away from the sealing washer of casing one end, the sealed cowling has a through-hole, the one end that the casing was kept away from to the through-hole confession driving piece is worn to establish, the lateral wall that casing one end was kept away from to the driving piece is equipped with and supplies the sealing washer to inlay the groove of establishing.

Through adopting above-mentioned technical scheme, the setting of sealed cowling and sealing washer is covered to basal disc and driving piece and is closed sealedly, has improved the leakproofness of capstan clutch.

Optionally, first-order planet wheel subassembly includes fixed connection in the casing first internal gear, two locate first internal gear both ends and synchronous pivoted first base plate respectively, inlay the first sun gear of locating in the first internal gear and rotate and connect in two first planetary gear between the first base plate, first sun gear rotates along with the output shaft of motor, first sun gear is concentric setting with first internal gear, first internal gear and first sun gear all with first planetary gear intermeshing.

By adopting the technical scheme, the primary planet wheel component adopts the planetary gear train for transmission, and has the advantages of compact structure, small volume, light weight, high efficiency, small power loss, balanced transmission and strong shock and vibration resistance.

Optionally, the secondary planet wheel assembly includes a driving gear rotating synchronously with the first substrate, two second internal gears rotating in the housing and concentrically arranged, three second substrates parallel to each other and rotating synchronously, at least one second planet gear rotating in the second substrate, a second sun gear rotating synchronously with the driving gear and intermeshing with the second planet gear, a third planet gear rotating in the second substrate and a transmission gear rotating synchronously with the second substrate, the second planet gear is intermeshed with the second internal gear close to the primary planet wheel assembly, and the third planet gear is intermeshed with the second internal gear far from the primary planet wheel assembly.

Through adopting above-mentioned technical scheme, the cooperation speed governing subassembly is used, can adjust the output rotational speed of capstan winch clutch through the different second internal gear of separation and reunion round pin locking, has realized that electric capstan's double speed takes separation and reunion control.

Optionally, the third planetary gear assembly includes a third internal gear rotatably connected in the housing, two third base plates respectively disposed at two ends of the third internal gear, and at least one fourth planetary gear rotatably connected to the two third base plates, the fourth planetary gear is engaged with the transmission gear, and the fourth planetary gear is engaged with the third internal gear.

By adopting the technical scheme, the three-stage planetary gear assembly adopts the planetary gear train for transmission, and has the advantages of compact structure, small volume, light weight, high efficiency, small power loss, balanced transmission and strong shock and vibration resistance.

In a second aspect, the application provides a two-speed electric winch, which adopts the following technical scheme:

a double-speed electric winch comprises a motor, a winch drum with one end rotatably connected with the motor, and the winch clutch.

By adopting the technical scheme, the clutch pins are driven to slide along the length direction by rotating the driving piece, and when one sides of the two clutch pins close to the shell are accommodated in the sliding holes, the primary planet wheel assembly is separated from the tertiary planet wheel assembly to be in a clutch state; the two-speed of the capstan clutch is realized by inserting different clutch pins into the positioning holes corresponding to the second internal gear, namely, the clutch pin close to the first-stage planetary wheel assembly is inserted into the positioning hole corresponding to the second internal gear, the capstan clutch is in a low-speed state, the clutch pin far away from the first-stage planetary wheel assembly is inserted into the positioning hole corresponding to the second internal gear, and the capstan clutch is in a high-speed state, so that the double-speed belt clutch control of the electric capstan is realized.

In summary, the present application includes at least one of the following beneficial technical effects:

an NGW type three-stage planetary speed reducing structure is adopted, a second-stage planetary wheel assembly is provided with a speed changing structure with different second speed ratios, a clutch pin is matched with two second internal gears of the second-stage planetary wheel assembly, and the clutch, high-speed and low-speed states of the capstan clutch are respectively realized through the fixed or movable states of the two second internal gears; the design focuses on the gear shifting reliability and the function identification of each working condition of the two-speed winch under the two-speed conversion state, and is different from the gear shifting interference and the function non-identification property of the traditional two-speed winch.

Drawings

Fig. 1 is a schematic structural view of a two-speed electric winch according to embodiment 1 of the present application.

Fig. 2 is a partial sectional view of a capstan clutch according to embodiment 1 of the present application.

Fig. 3 is an exploded schematic view of the gear box and the primary planetary wheel assembly of embodiment 1 of the present application.

Fig. 4 is an exploded schematic view of the two-stage planetary wheel assembly of example 1 of the present application.

Fig. 5 is an exploded view of the three-stage planetary wheel assembly of example 1 of the present application.

Fig. 6 is an exploded view of the three-stage planetary wheel assembly of example 1 of the present application.

FIG. 7 is a partial cross-sectional view of a gearbox and governor assembly of embodiment 1 of the present application.

Fig. 8 is a schematic structural diagram of the driving member, the clutch pin, the driving column, the elastic member and the base plate according to embodiment 1 of the present application.

Fig. 9 is an exploded view of the shift indicator panel, the fixing screw, the connecting sleeve, the indicating base plate and the handle in embodiment 1 of the present application.

Description of reference numerals: 1. a capstan clutch; 110. a housing; 111. a gear case; 1111. a sliding hole; 1112. an outer ring gear; 1113. a clamping groove; 1114. a clamp spring; 1115. a stepped groove; 112. an end cap; 120. a primary planet wheel assembly; 121. a first sun gear; 122. a first internal gear; 123. a first planetary gear; 124. a first substrate; 1241. a drive bore; 125. a first base pillar; 130. a secondary planet wheel assembly; 131. a second internal gear; 1311. positioning holes; 132. a second substrate; 133. a drive gear; 134. a second sun gear; 135. a second planetary gear; 136. a second base pillar; 137. a third planetary gear; 138. a transmission gear; 140. a third-stage planet wheel assembly; 141. a third internal gear; 142. a third substrate; 143. a third base pillar; 144. a fourth planetary gear; 145. an output gear; 150. a speed regulation component; 151. a clutch pin; 152. a drive column; 153. a drive member; 1531. rotating the ramp; 1532. a limiting groove; 1533. embedding a groove; 1534. an insertion block; 154. a base plate; 155. a limiting ring; 156. an elastic member; 157. a handle; 1571. a gear indicator panel; 1572. connecting sleeves; 1573. a set screw; 1574. indicating the basal disc; 1575. a containing groove; 1576. an indication block; 158. a sealing cover; 1581. a through hole; 159. a seal ring; 2. a motor; 3. a hoisting drum; 4. a connecting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses a double-speed electric winch.

Example 1

Referring to fig. 1, the two-speed electric winch includes a motor 2, a winding drum 3, and a winch clutch 1; there is connecting rod 4 through the fix with screw between motor 2 and capstan clutch 1, hoist section of thick bamboo 3 is installed between motor 2 and capstan clutch 1, hoist section of thick bamboo 3 all rotates with motor 2 and capstan clutch 1 to be connected, the output shaft of motor 2 is concentric setting with hoist section of thick bamboo 3, the output shaft of motor 2 passes after hoist section of thick bamboo 3 to be connected with capstan clutch 1's input, capstan clutch 1's output is connected with hoist section of thick bamboo 3 and rotates in order to order about hoist section of thick bamboo 3, capstan clutch 1 is used for adjusting the rotational speed of the 3 rolling of hoist section of thick bamboo.

Referring to fig. 2 and 3, the winch clutch 1 includes a housing 110, a primary planetary gear assembly 120, a secondary planetary gear assembly 130, a tertiary planetary gear assembly 140, and a speed regulation assembly 150; the housing 110 comprises a gear box 111 and an end cover 112, the primary planet wheel assembly 120, the secondary planet wheel assembly 130 and the tertiary planet wheel assembly 140 are sequentially installed in the gear box 111, the primary planet wheel assembly 120 is in transmission connection with the secondary planet wheel assembly 130 and the tertiary planet wheel assembly 140, and the end cover 112 is fixed at an opening of the gear box 111 through bolts so as to limit the transmission connection of the primary planet wheel assembly 120, the secondary planet wheel assembly 130 and the tertiary planet wheel assembly 140 in the gear box 111.

The primary planet gear assembly 120 includes a first inner gear 122, a first base plate 124, a first sun gear 121, and first planet gears 123; the first internal gear 122 is embedded at the bottom of the gear box 111, the outer side wall of the first internal gear 122 abuts against the inner side wall of the gear box 111, the inner side wall of the gear box 111 is provided with an embedding groove 1113, and a clamp spring 1114 is embedded in the embedding groove 1113 in a clamping manner so as to limit the first internal gear 122 at the bottom of the gear box 111; an outer gear ring 1112 is further integrally arranged on the inner side wall of the bottom of the gear box 111, and the outer gear ring 1112 is meshed with the first internal gear 122, so that the first internal gear 122 is not easy to rotate relative to the gear box 111; the first sun gear is embedded in the first internal gear 122 and is concentrically arranged with the first internal gear 122, the first sun gear is sleeved on the output shaft of the motor 2, the first sun gear is fixed with the output shaft of the motor 2, and the first sun gear synchronously rotates along with the output shaft of the motor 2; the number of the first base plates 124 is two, the two first base plates 124 are respectively arranged at two ends of the first inner gear 122, the two first base plates 124 are connected through the first base posts 125 so as to enable the two base plates to rotate synchronously, and the two first base plates 124 are respectively provided with a middle hole through which the output shaft of the power supply machine 2 penetrates; the number of the first planetary gears 123 is at least one, in the embodiment, three first planetary gears 123 are exemplified, the first planetary gears 123 are located between the two first base plates 124, the first planetary gears 123 are sleeved on the first base pillars 125 in a one-to-one correspondence, the first planetary gears 123 are rotatably connected to the first base pillars 125, and the first planetary gears 123 are engaged with the first internal gear 122 and the first sun gear 121.

Referring to fig. 3 and 4, the secondary planetary gear assembly 130 includes a driving gear 133, a second inner gear 131, a second base plate 132, second planetary gears 135, a second sun gear 134, third planetary gears 137, and transmission gears 138; a transmission hole 1241 is formed in the first substrate 124 near the opening of the gear box 111, and one end of the driving gear 133 is inserted into the transmission hole 1241, so that the driving gear 133 is driven to rotate synchronously by the first substrate 124; the number of the second internal gears 131 is two, the two second internal gears 131 are embedded in the gear box 111 side by side and are rotatably connected with the gear box 111, the two second internal gears 131 are concentrically arranged, the second internal gears 131, the first internal gear 122 and the driving gear 133 are concentrically arranged, a stepped groove 1115 is formed in the inner side wall of the gear box 111, the end surface of the second internal gear 131 close to the primary planetary wheel assembly 120 is abutted to the groove bottom of the stepped groove 1115, and the second internal gears 131 are abutted to the inner side wall of the gear box 111; the number of the second base plates 132 is three, the three second base plates 132 are parallel to each other, the two second base plates 132 correspond to one second internal gear 131, the three second base plates 132 are fixed through second base columns 136 so that the three second base plates 132 rotate synchronously, each of the three second base plates 132 is provided with a middle hole for the driving gear 133 to penetrate through, and the driving gear 133 sequentially penetrates through the two second base plates 132 close to the first-stage planetary gear assembly 120; the second sun gear 134 is located between the two second base plates 132 close to the first-stage planet wheel assembly 120, the second sun gear 134 and the second inner gear 131 are concentrically arranged, and the second sun gear 134 is sleeved on the driving gear 133 and synchronously rotates with the driving gear 133; the number of the second planetary gears 135 is at least one, in this embodiment, three second planetary gears 135 are described as an example, the second planetary gears 135 are located between the two second base plates 132 close to the primary planetary gear assembly 120, the second planetary gears 135 are sleeved on the second base columns 136 and are rotationally connected with the second base columns 136, the second planetary gears 135 are engaged with the second internal gear 131 close to the primary planetary gear assembly 120, and the second planetary gears 135 are engaged with the second sun gear 134; the number of the third planetary gears 137 is at least one, in this embodiment, three third planetary gears 137 are described as an example, the third planetary gears 137 are located between two second base plates 132 far away from the primary planetary gear assembly 120, the third planetary gears 137 are sleeved on the second base columns 136 and are rotationally connected with the second base plates 132, the third planetary gears 137 are meshed with the second internal gear 131 far away from the primary planetary gear assembly 120, the diameter of the third planetary gears 137 is smaller than that of the second planetary gears 135, and the third planetary gears 137 are meshed with the driving gear 133; the transmission gear 138 is fixed on the second base plate 132 far away from the primary planet wheel assembly 120, and the transmission gear 138 rotates synchronously with the second base plate 132; at least one positioning hole 1311 is formed in the outer side walls of the two second internal gears 131, and when the number of the positioning holes 1311 is two or more, the positioning holes 1311 are uniformly arranged along the circumferential direction of the outer side walls of the second internal gears 131.

Referring to fig. 5 and 6, the tertiary planet assembly 140 includes a third inner gear 141, a third base plate 142, and a fourth planet gear 144; the third internal gear 141 is embedded in the gear box 111 and abuts against the inner side wall of the gear box 111, the third internal gear 141 is rotatably connected with the gear box 111, the third internal gear 141 abuts against one side, close to the opening of the gear box 111, of the second internal gear 131, and the third internal gear 141 and the second internal gear 131 are concentrically arranged; the number of the third substrates 142 is two, the two third substrates 142 are respectively embedded at two ends of the third internal gear 141, and the two third substrates 142 are fixed by the third base posts 143, so that the two third substrates 142 rotate synchronously; the number of the fourth planetary gears 144 is at least one, in this embodiment, the number of the fourth planetary gears 144 is described by taking three as an example, the fourth planetary gears 144 are located between two third base plates 142, the fourth planetary gears 144 are sleeved on the third base posts 143 and are rotationally connected with the third base posts 143, the driven gears penetrate through the third base plates 142 close to the secondary planetary gear assemblies 130, the driven gears are rotationally connected with the third base plates 142, and the fourth planetary gears 144 are meshed with the driven gears; the third base plate 142 far away from the secondary planet wheel assembly 130 is connected with the winding drum 3 to drive the winding drum 3 to rotate, in this embodiment, for example, the third base plate 142 drives the winding drum 3 to rotate through gear transmission, an output gear 145 is fixed on one side of the third base plate 142 far away from the secondary planet wheel assembly 130, and an internal gear meshed with the output gear 145 is integrally arranged on the winding drum 3.

Referring to fig. 7 and 8, the speed regulation assembly 150 is used for regulating the output rotation speed of the winch clutch 1 in cooperation with the secondary planet wheel assembly 130, and the speed regulation assembly 150 comprises a clutch pin 151, a driving column 152, a driving member 153, a limit ring 155, a base disc 154 and an elastic member 156; the base plate 154 is fixed on the outer side wall of the gear box 111 through screws, the clutch pins 151 correspond to the second internal gear 131 one by one, the length direction of the clutch pins 151 is perpendicular to the axis of the second internal gear 131, the upper end of the clutch pins 151 penetrates through the base plate 154 and is connected with the base plate 154 in a sliding manner, a sliding hole 1111 is formed in the outer side wall of the gear box 111 and penetrates through the outer side wall of the gear box 111, and the sliding hole 1111 is used for the clutch pins 151 to penetrate through and slide along the length direction of the clutch pins 151, so that the clutch pins 151 can be inserted into positioning holes 1311 of the second internal gear 131 through the sliding hole 1111; the driving columns 152 are correspondingly inserted into the upper ends of the clutch pins 151 one by one, the two driving columns 152 are oppositely arranged, the driving piece 153 is rotatably connected to one side of the base plate 154 away from the gear box 111, a rotating ramp 1531 is arranged on the outer side wall of the driving piece 153, the rotating ramp 1531 penetrates through the end face of the driving piece 153 away from the base plate 154, and the lower side of the driving column 152 is abutted and slid with the groove bottom of the rotating ramp 1531; the limit ring 155 is integrally disposed on the outer sidewall of the clutch pin 151, the limit ring 155 is located at the lower side of the base plate 154, the elastic member 156 is sleeved on the clutch pin 151, one end of the elastic member 156 abuts against the base plate 154, the other end of the elastic member 156 abuts against one end of the limit ring 155 close to the base plate 154, so that the clutch pin 151 keeps a tendency of sliding in a direction away from the driving member 153, the elastic member 156 may be an elastic bellows, an elastic rubber sleeve, or a compression spring, in this embodiment, the elastic member 156 is described by taking a compression spring as an example; when the driver 153 rotates, at most one clutch pin 151 is inserted into the positioning hole 1311 of the second internal gear 131.

Three limiting grooves 1532 are formed in the driving member 153, the three limiting grooves 1532 are arranged at intervals of 90 degrees along the circumferential direction of the driving member 153, the limiting grooves 1532 are located at the bottom of the rotating ramp 1531, and the limiting grooves 1532 are embedded at the lower side of the driving column 152, so that the driving member 153 is not prone to rotating during non-manual operation; when the lower side of the driving post 152 is inserted into the retaining groove 1532, one end of the clutch pin 151 corresponding to the driving post 152 close to the housing 110 is received in the sliding hole 1111.

The speed regulation assembly 150 further comprises a sealing cover 158 covered on the base plate 154, the sealing cover 158 is fixed on the outer side wall of the gear box 111 through screws, a through hole 1581 is formed in the sealing cover 158, the through hole 1581 and one end, far away from the gear box 111, of the driving piece 153 penetrate through, the outer side wall, far away from the gear box 111, of the driving piece 153 is abutted against the inner side wall of the through hole 1581, and the driving piece 153 is rotatably connected with the sealing cover 158; an embedding groove 1533 is formed on the outer side walls of the driving element 153 and the sealing cover 158, and a sealing ring 159 is embedded in the embedding groove 1533 to seal a gap between the sealing cover 158 and one end of the driving element 153 away from the gear box 111.

The speed regulation assembly 150 further comprises a handle 157, the handle 157 is fixed at one end of the driving member 153 far away from the gear box 111 to increase the holding area of the driving member 153, so that a user can conveniently rotate the driving member 153 to regulate the output rotating speed of the winch clutch 1; the end of the driving member 153 remote from the gear box 111 has a plug-in block 1534, and the plug-in block 1534 is inserted into the inner hole of the handle 157.

Referring to fig. 7 and 9, an indication base disc 1574 is further disposed at an end of the handle 157 away from the driving element 153, a connecting sleeve 1572 is disposed at a side of the indication base disc 1574 close to the housing 110, the connecting sleeve 1572 sequentially penetrates through the handle 157 and the driving element 153, the driving element 153 is rotatably connected to the connecting sleeve 1572, the indication base disc 1574 is fixed to the housing 110 by a fixing screw 1573, and the fixing screw 1573 sequentially penetrates through the indication base disc 1574 and the connecting sleeve 1572 and then is in threaded connection with the housing 110.

An accommodating groove 1575 is formed in the end face, away from the gear box 111, of the handle 157, and the accommodating groove 1575 indicates that the base disc 1574 is embedded for accommodating; the gear indicator disc 1571 is fixed on the indicator base disc 1574, an indicator block 1576 is arranged on the end face of the handle 157 far away from the gear box 111, and the indicator block 1576 and the gear indicator disc 1571 are matched to indicate the output gear of the winch clutch 1.

The implementation principle of the embodiment 1 is as follows: the driving piece 153 and the elastic piece 156 drive the clutch pin 151 to slide along the length direction of the clutch pin 151, so as to form a clutch station, a high-speed station and a low-speed station; taking the state in fig. 7 and 8 as the initial position, at this time, the clutch pin 151 close to the third internal gear 141 is inserted into the positioning hole 1311 of the second internal gear 131 close to the third internal gear 141, one end of the clutch pin 151 far from the third internal gear 141 close to the gear box 111 is accommodated in the slip hole 1111, and the power of the motor 2 is transmitted to the third stage planetary gear assembly 140 through the first stage planetary gear assembly 120, the driving gear 133, the third planetary gear 137, the second internal gear 131, the second substrate 132, the transmission gear 138, and is a low speed station; the holding handle 157 rotates 90 degrees along the direction indicated by the arrow A, and at the moment, one ends of the two clutch pins 151 close to the gear box 111 are both accommodated in the sliding hole 1111 and are clutch stations, namely the motor 2 is separated from the winding drum 3; the grip handle 157 is rotated 90 degrees along the direction indicated by the arrow a, at this time, the clutch pin 151 far from the third internal gear 141 is inserted into the positioning hole 1311 of the second internal gear 131 far from the third internal gear 141, the end of the clutch pin 151 near the third internal gear 141 close to the gear box 111 is accommodated in the slip hole 1111, and the power of the motor 2 is transmitted to the third stage planetary gear assembly 140 through the first stage planetary gear assembly 120, the driving gear 133, the second sun gear 134, the second planetary gear 135, the second internal gear 131, the second substrate 132, and the transmission gear 138, and is a high speed station.

Example 2

The present embodiment differs from embodiment 1 in that the speed regulation assembly 150 includes a clutch pin 151; the number of the clutch pins 151 is two, the two clutch pins 151 correspond to the two second internal gears 131 one by one, and the clutch pins 151 penetrate through the side wall of the housing 110 and are in threaded connection with the housing 110.

The implementation principle of the embodiment 2 is as follows: in the clutch state, the two clutch pins 151 are positioned outside the positioning holes 1311; the high-speed state and the low-speed state of the two-speed electric winch can be realized by rotating one of the clutch pins 151 so that one of the clutch pins 151 is inserted into the corresponding positioning hole 1311 of the second internal gear 131.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A two-speed capstan clutch comprising a housing (110), characterized in that: the planetary gear type speed regulation device also comprises a primary planetary wheel component (120), a secondary planetary wheel component (130), a tertiary planetary wheel component (140) and a speed regulation component (150) which is arranged on the shell (110) and is matched with the secondary planetary wheel component (130) for speed regulation, wherein the primary planetary wheel component (120), the secondary planetary wheel component (130) and the tertiary planetary wheel component (140) are sequentially connected in a rotating manner in the shell (110);

the primary planet wheel assembly (120), the secondary planet wheel assembly (130) and the tertiary planet wheel assembly (140) are sequentially connected in a transmission mode to form speed reduction, the secondary planet wheel assembly (130) comprises two planet wheel sets with different transmission ratios, each planet wheel set is provided with a second internal gear (131) which is rotatably connected into the shell (110), and the outer side wall of each second internal gear (131) is provided with at least one positioning hole (1311);

the speed regulation assembly (150) comprises clutch pins (151) which penetrate through the shell (110) and correspond to the second internal gear (131) one by one, the clutch pins (151) can slide in the axial direction of the clutch pins (151) relative to the shell (110) to be inserted into or slide out of positioning holes (1311), and at most one clutch pin (151) is inserted into the positioning holes (1311) corresponding to the second internal gear (131).

2. A two-speed capstan clutch according to claim 1, wherein: the speed regulating assembly (150) further comprises a base disc (154) fixed on the shell (110), a driving piece (153) rotatably connected to one side of the base disc (154) far away from the shell (110), and an elastic piece (156) sleeved on the clutch pin (151), wherein the elastic piece (156) enables the clutch pin (151) to keep a trend of moving towards a direction close to the shell (110) and inserting into the positioning hole (1311);

one end of the clutch pin (151) far away from the shell (110) penetrates through the base disc (154) and is connected with the driving piece (153), the outer side wall of the driving piece (153) far away from the base disc (154) is provided with a rotating ramp (1531), one end of the clutch pin (151) far away from the shell (110) is fixed with a driving column (152) which slides in the rotating ramp (1531) in a reciprocating manner, and the driving piece (153) comprises a clutch station, a low-speed station and a high-speed station;

when the driving piece (153) is in a clutch station, the two clutch pins (151) are positioned at the outer sides of the positioning holes (1311), and the elastic piece (156) is in a compressed state; when the driving piece (153) is in a low-speed station or a high-speed station, one clutch pin (151) is inserted into the positioning hole (1311) corresponding to the second internal gear (131), and the other clutch pin (151) is positioned outside the positioning hole (1311).

3. A two-speed capstan clutch according to claim 2, wherein: the clutch pin (151) penetrates through the outer side wall in the shell (110) and is provided with a limiting ring (155), one end of the elastic piece (156) is abutted to the base plate (154), and the other end of the elastic piece is abutted to the limiting ring (155).

4. A two-speed winch clutch as claimed in claim 2 or 3, wherein: the outer side wall of the driving piece (153) is also provided with at least one limiting groove (1532) for the driving column (152) to be embedded in, and the limiting groove (1532) is positioned at the bottom of the rotating ramp (1531);

when the driving column (152) is embedded into the limiting groove (1532), one end, close to the second internal gear (131), of the clutch pin (151) corresponding to the driving column (152) is accommodated in the side wall of the shell (110).

5. A two-speed capstan clutch according to claim 4, wherein: the speed regulation assembly (150) further comprises a handle (157) fixed to one end of the driving member (153) far away from the shell (110).

6. A two-speed capstan clutch according to claim 5, wherein: one end, far away from casing (110), of handle (157) is equipped with gear indicator disc (1571), gear indicator disc (1571) is connected with handle (157) rotation, gear indicator disc (1571) and casing (110) fixed connection, the one end, far away from casing (110), of handle (157) is equipped with cooperation gear indicator disc (1571) and uses instruction piece (1576).

7. A two-speed capstan clutch according to claim 1, wherein: first-order planet wheel subassembly (120) including fixed connection in casing (110) first internal gear (122), two locate first internal gear (122) both ends and synchronous rotation's first base plate (124) respectively, inlay first sun gear (121) of locating in first internal gear (122) and rotate and connect in two first planetary gear (123) between first base plate (124), first sun gear (121) rotate along with the output shaft of motor (2), first sun gear (121) are concentric setting with first internal gear (122), first internal gear (122) and first sun gear (121) all mesh with first planetary gear (123) each other.

8. A two-speed capstan clutch according to claim 7, wherein: the secondary planetary wheel assembly (130) comprises a driving gear (133) which rotates synchronously with the first base plate (124), two second internal gears (131) which are connected in the shell (110) in a rotating mode and are arranged concentrically, three second base plates (132) which are parallel to each other and rotate synchronously, at least one second planetary gear (135) which is connected on the second base plates (132) in a rotating mode, a second sun gear (134) which rotates synchronously with the driving gear (133) and is meshed with the second planetary gears (135), a third planetary gear (137) which is connected on the second base plates (132) in a rotating mode and a transmission gear (138) which rotates synchronously with the second base plates (132), the second planetary gear (135) is meshed with a second internal gear (131) close to the primary planetary wheel component (120), the third planet gears (137) are meshed with a second internal gear (131) far away from the primary planet wheel assembly (120).

9. A two-speed capstan clutch according to claim 8, wherein: the three-stage planetary wheel assembly (140) comprises a third internal gear (141) rotatably connected in the shell (110), two third base plates (142) respectively arranged at two ends of the third internal gear (141), and at least one fourth planetary gear (144) rotatably connected on the two third base plates (142), wherein the fourth planetary gear (144) is meshed with the transmission gear (138), and the fourth planetary gear (144) is meshed with the third internal gear (141).

10. The utility model provides a double speed electric capstan winch, includes that motor (2) and one end rotate and connect hoist cylinder (3) on motor (2), its characterized in that: further comprising a two-speed winch clutch (1) according to any of claims 1 to 9, the input of said two-speed winch clutch (1) rotating synchronously with the output shaft of the motor (2), the output of said two-speed winch clutch (1) driving the winding drum (3) to rotate.

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