CN217264500U

CN217264500U - External disc type brake winch

Info

Publication number: CN217264500U
Application number: CN202220107619.2U
Authority: CN
Inventors: 张俊强; 王鑫; 袁立彪; 渠伟峰; 王福波
Original assignee: Jining Yuansheng Electromechanical Co ltd
Current assignee: Jining Yuansheng Electromechanical Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-08-23
Anticipated expiration: 2032-01-17

Abstract

The utility model belongs to the technical field of the winch technique and specifically relates to external disk brake winch, the on-line screen storage device comprises a base the left and right sides of base fixed mounting respectively has left side board, right side board, and the level is provided with a reel between left side board and right side board the outside fixed mounting of right side board has a motor connection pad install driving motor on the motor connection pad, driving motor's output shaft with install the inside built-in clutch of reel links to each other, the left end of built-in clutch links to each other with planetary gear, an external disk arrestment mechanism is connected to planetary gear's left end. The whole winch structure is designed, so that the braking stress area is large, and the braking effect is good; meanwhile, good heat dissipation conditions of the brake mechanism can be guaranteed; in addition, the friction coefficient and the braking torque of the whole braking mechanism are stable, the service life of the braking mechanism can be effectively prolonged, and meanwhile, the maintenance is easy.

Description

External disc type brake winch

Technical Field

The utility model relates to a winch technical field, in particular to novel external disc brake winch structure, especially external disc brake winch that braking effect is good and braking torque is stable, easily maintenance.

Background

At present, the hydraulic winch is widely applied to various industries such as engineering machinery, ships, geological exploration, railways, petroleum and the like, and the excellent performance of the hydraulic winch is generally accepted by users. In the research and development process of the company, after the investigation and analysis of the hydraulic winch in the prior art, the structure of the hydraulic winch on the market at present is found to be a built-in braking structure, the stress area of a brake is smaller when the hydraulic winch works, the braking effect is poorer under a heavy load working condition, the whole heat dissipation effect is poorer due to internal friction heat generation during long-distance or high-speed braking, the service life of the brake is easy to be reduced after long-time use, and the potential safety hazard is greater; in addition, maintenance is difficult after subsequent failures.

Therefore, the utility model discloses a novel external disc brake winch structure that braking effect is good and braking torque is stable, easily maintenance has been designed especially for solve the problem that exists among the prior art better.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve one of above-mentioned technical problem, the technical scheme who adopts is: the external disc type brake winch comprises a base, wherein a left side plate and a right side plate are fixedly mounted on the left side and the right side of the base respectively, a winding drum is horizontally arranged between the left side plate and the right side plate, two ends of the winding drum are movably inserted into mounting holes of the left side plate and the right side plate at corresponding positions respectively, a motor connecting disc is fixedly mounted on the outer side of the right side plate, a driving motor is mounted on the motor connecting disc, an output shaft of the driving motor is connected with an internal clutch mounted inside the winding drum, the left end of the internal clutch is connected with a planetary gear train, the left end of the planetary gear train is connected with an external disc type brake mechanism, the external disc type brake mechanism is used for controlling the operation and braking of the planetary gear train and the winding drum from the outside, and the outer side of the external disc type brake mechanism is fixedly arranged.

In any of the above aspects, preferably, the motor connecting disc is fixedly mounted on the right side plate by respective socket head cap screws.

In any of the above aspects, it is preferable that the built-in clutch is a friction plate clutch.

In any of the above schemes, preferably, the built-in clutch includes a clutch housing, and a plurality of dynamic friction plates, static friction plates, and friction plate springs are installed in an installation cavity of the clutch housing at intervals and are matched with each other; clutch bearing chamber is installed in clutch housing's installation cavity left side clutch piston who has clutch piston sealing washer is installed to the indoor cooperation of clutch bearing, the right-hand member activity of clutch housing pass the through-hole of motor connection pad and with driving motor's output shaft is connected, all installs thrust self-aligning roller bearing between the rotating part on the left side inner chamber of motor connection pad and clutch housing's right side and in the clutch bearing chamber, the indoor thrust self-aligning roller bearing of clutch bearing is used for supporting the clutch axle sleeve, the right-hand member of clutch axle sleeve cooperatees with dynamic friction piece, static friction piece, the left end of clutch axle sleeve with planetary gear's input is connected.

In any of the above aspects, it is preferable that a clutch oil screw is provided on the clutch housing.

In any of the above schemes, preferably, the planetary gear train includes a sun gear shaft connected and engaged with the left end of the clutch shaft sleeve, the left end of the sun gear shaft is provided with a planet carrier supported and fixed on the left side plate by a planet carrier gasket, a plurality of planet carrier shafts are uniformly installed on the planet carrier along the circumference thereof at intervals, each planet carrier shaft is sleeved with a planet gear, each planet gear is engaged with the corresponding planet carrier shaft by a cylindrical roller bearing, each planet gear is respectively engaged with the sun gear on the sun gear shaft, the sun gear drives each planet gear to rotate around the corresponding planet carrier shaft by self-rotation, the periphery of the sun gear shaft is provided with a coaxially arranged gear ring, the outer side wall of the gear ring is fixed on the inner side wall of the winding drum, and the inner ring of the gear ring is engaged with each planet gear, each planetary gear drives the gear ring and the winding drum to rotate through autorotation.

In any of the above schemes, preferably, the external disc brake mechanism includes a brake disc fixedly mounted on the outer side wall of the left end of the winding drum by means of a plurality of hexagon socket head cap screws, a brake is mounted on the outer side of the brake disc, the brake is used for controlling the rotation and stop of the brake disc, and a housing of the brake is fixedly mounted on the left side wall of the left side plate by means of a brake support plate and the hexagon socket head cap screws.

In any of the above aspects, the brake is preferably a hydraulic caliper brake.

In any one of the above aspects, a carrier cover plate is attached to a left end surface of the carrier, and a left cover plate is attached to a left side wall of the left side plate.

In any of the above schemes, preferably, a support plate is symmetrically installed on the outer side wall of the winding drum, two ends of the support plate are respectively installed on the corresponding left side plate and right side plate, and one support plate is provided with a rope pressing device.

In any of the above schemes, preferably, the rope pressing device includes two rope pressing tube seats installed in the installation holes of the corresponding support plates at intervals, a rope pressing spring is respectively arranged in the tube cavity of each rope pressing tube seat, a rope pressing guide rod is inserted into the tube cavity of the rope pressing tube seat outside the rope pressing spring, the outer end of the rope pressing guide rod extends out of the tube cavity of the rope pressing tube seat and is connected with a rope pressing rotating shaft, and rope pressing rotating sleeves are installed on the outer side walls of the two ends of the rope pressing rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the winch is internally provided with the clutch and the external disc type brake mechanism, so that after the winch lifts a load, the load can fall freely, and the operation is safer and more reliable.

2. The external disc type brake mechanism controls the friction force between the external disc type brake mechanism and the brake disc by controlling the pressure between the brake caliper and the brake disc, so that the brake of the winch winding drum coaxially connected with the brake disc is achieved, the purpose of speed reduction brake is achieved, and the whole speed reduction process is relatively stable and safer.

3. The whole winch structure is designed, so that the braking stress area is large, and the braking effect is good; meanwhile, good heat dissipation conditions of the brake mechanism can be guaranteed; in addition, the friction coefficient and the braking torque of the whole braking mechanism are stable, the service life of the braking mechanism can be effectively prolonged, and meanwhile, the maintenance is easy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic view of the internal cross-sectional structure of the present invention.

Fig. 2 is a schematic view of the external structure of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a schematic view of a partial cross-sectional structure of the rope pressing device of the present invention.

In the figure, 1, reel; 2. a left side plate; 3. a cover plate; 5. a brake disc; 9. a right side plate; 10. a base; 11. a support plate; 13. a rope pressing pipe seat; 14. pressing the rope to rotate the sleeve; 15. pressing the rope to rotate the sleeve; 16. a rope pressing rotating shaft; 17. pressing the rope guide rod; 18. a rope pressing spring; 19. a ring gear; 20. a planet carrier; 21. a sun gear; 22. a planetary gear; 24. A planetary gear shaft; 27. A planet carrier cover plate; 28. a clutch bearing chamber; 29. a clutch piston; 32. a clutch coupling sleeve; 36. a clutch housing; 37. a motor connection disc; 38. a clutch oil screw; 39. a static friction plate; 40. a dynamic friction plate; 42. A friction plate spring; 44. a rope pressing device; 46. a brake; 54. a cylindrical roller bearing; 55. self-aligning thrust roller bearing.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby. The specific structure of the utility model is shown in figures 1-4.

Example 1:

the external disc brake winch comprises a base 10, a left side plate 2 and a right side plate 9 are respectively and fixedly arranged at the left side and the right side of the base 10, a winding drum 1 is horizontally arranged between the left side plate 2 and the right side plate 9, two ends of the winding drum 1 are respectively movably inserted into the mounting holes of the left side plate 2 and the right side plate 9 at corresponding positions, a motor connecting disc 37 is fixedly arranged on the outer side of the right side plate 9, a driving motor is arranged on the motor connecting disc 37, the output shaft of the driving motor is connected with an internal clutch arranged in the winding drum 1, the left end of the internal clutch is connected with a planetary gear train, the left end of the planetary gear train is connected with an external disc type brake mechanism, the external disc type brake mechanism is used for controlling the operation and braking of the planetary gear train and the winding drum 1 from the outside, and the outer side of the external disc type brake mechanism is fixedly arranged.

This winch adopts the inside separation and reunion structure of external disc brake cooperation can guarantee the security of whole winch structure in the use well, whole braking structure fixed mounting is on left side board 2 when braking, opening of external control external disc brake mechanism stops can control its braking to reel 1 well, thereby reach the effect of braking planetary gear, can guarantee the security of braking, area of contact when improving the braking, this winch embeds the clutch, external disc brake mechanism, can make the winch after promoting the load, the free fall can be realized to the load, safe and reliable more during the operation.

In any of the above embodiments, the motor connecting plate 37 is preferably fixedly mounted on the right side plate 9 by means of respective socket head cap screws.

The firmness of the connection parts can be realized by adopting the connecting pieces such as the socket head cap screws and the like at the connection parts, the connection strength is ensured, and meanwhile, the follow-up maintenance and disassembly are convenient.

In any of the above schemes, preferably, the built-in clutch includes a clutch housing 36, and a plurality of dynamic friction plates 40, static friction plates 39, and friction plate springs 42 which are spaced and matched are installed in an installation cavity of the clutch housing 36; clutch bearing chamber 28 is installed on clutch housing 36's installation cavity left side clutch bearing chamber 28 fit in installs the clutch piston 29 that has clutch piston sealing washer, the right-hand member activity of clutch housing 36 pass motor connection pad 37 the through-hole and with driving motor's output shaft is connected, all installs thrust self-aligning roller bearing between the rotating part on the left side inner chamber of motor connection pad 37 and clutch housing 36's right side and in clutch bearing chamber 28, thrust self-aligning roller bearing in the clutch bearing chamber 28 is used for supporting the clutch shaft cover, the right-hand member of clutch shaft cover cooperatees with dynamic friction piece 40, static friction piece 39, the left end of clutch shaft cover with planetary gear's input is connected.

The structure of the whole friction plate type clutch can be directly realized by adopting the product structure in the prior art, and the output and the middle section of the input power are realized by utilizing the work of the friction plate type clutch, so that the normal power output of the whole winch is convenient to control.

In any of the above embodiments, it is preferable that the clutch housing 36 is provided with a clutch oil screw 38.

In any of the above schemes, preferably, the planetary gear train includes a sun gear 21 shaft connected and engaged with the left end of the clutch shaft sleeve, the left end of the sun gear 21 shaft is provided with a planet carrier supported and fixed on the left side plate 2 through a planet carrier gasket, a plurality of planet carrier shafts are uniformly installed on the planet carrier at intervals along the circumference thereof, each planet carrier shaft is sleeved with a planet gear 22, each planet gear 22 is engaged with the corresponding planet carrier shaft through a cylindrical roller bearing, each planet gear 22 is engaged with the sun gear on the sun gear 21 shaft, the sun gear drives each planet gear 22 to rotate around the corresponding planet carrier shaft through self-rotation, a coaxially arranged gear ring 19 is arranged on the periphery of the sun gear 21 shaft, the outer side wall of the gear ring 19 is fixed on the inner side wall of the winding drum 1, the inner ring of the ring gear 19 is engaged with each of the planetary gears 22, and each of the planetary gears 22 rotates to rotate the ring gear 19 and the spool 1.

The planetary gear train mainly uses the shaft of the sun gear 21 as a main power input, and the shaft of the sun gear 21 serves as a driving part, when the friction plate type clutch connects the driving motor with the driving motor, the power of the driving motor can be transmitted, so that each planetary gear 22 on the whole planet carrier is driven to rotate around the corresponding planetary gear shaft in the planetary gear train, the purpose of driving the gear ring 19 on the outer ring to rotate is achieved, the winding drum 1 fixedly connected with the gear ring 19 can be driven to rotate along with the rotation of the gear ring 19, and the purpose of driving the steel wire rope on the whole winding drum 1 to be lowered or lifted is achieved.

In any of the above solutions, preferably, the external disc brake mechanism includes a brake disc 5 fixedly mounted on the outer side wall of the left end of the winding drum 1 through a plurality of hexagon socket head cap screws, a brake 46 is mounted on the outer side of the brake disc 5, the brake 46 is used for controlling the rotation and stop of the brake disc 5, and a housing of the brake 46 is fixedly mounted on the left side wall of the left side plate 2 through a brake support plate 6 and a plurality of hexagon socket head cap screws.

The external disc type brake mechanism is mainly used for realizing the clamping brake of a brake disc 5 fixedly connected with a winding drum 1, so that the purpose of stably braking the winding drum 1 in the whole load bearing state is achieved, and the external disc type brake mechanism can control the friction force between the brake mechanism and a brake disc by controlling the pressure of a brake caliper and the brake disc, so that the purpose of deceleration brake of the winch winding drum 1 coaxially connected with the brake disc is achieved, and the whole deceleration process is relatively stable and safer; the design of the whole winch structure ensures that the braking stress area is large and the braking effect is good; meanwhile, good heat dissipation conditions of the brake mechanism can be guaranteed; in addition, the friction coefficient and the braking torque of the whole braking mechanism are stable, the service life of the braking mechanism can be effectively prolonged, and meanwhile, the maintenance is easy.

In any of the above solutions, it is preferable that the brake 46 is a hydraulic caliper brake 46.

The hydraulic caliper brake 46 can better ensure the braking effect during braking and improve the braking safety.

In any of the above-described embodiments, it is preferable that a carrier cover plate 27 is attached to a left end surface of the carrier, and a left cover plate is attached to a left side wall of the left side plate 2.

Example 2:

the external disc brake winch comprises a base 10, a left side plate 2 and a right side plate 9 are respectively and fixedly arranged at the left side and the right side of the base 10, a winding drum 1 is horizontally arranged between the left side plate 2 and the right side plate 9, two ends of the winding drum 1 are respectively movably inserted into the mounting holes of the left side plate 2 and the right side plate 9 at corresponding positions, a motor connecting disc 37 is fixedly arranged on the outer side of the right side plate 9, a driving motor is arranged on the motor connecting disc 37, the output shaft of the driving motor is connected with an internal clutch arranged in the winding drum 1, the left end of the internal clutch is connected with a planetary gear train, the left end of the planetary gear train is connected with an external disc brake mechanism, the external disc brake mechanism is used for controlling the operation and braking of the planetary gear train and the winding drum 1 from the outside, and the outer side of the external disc brake mechanism is fixedly arranged.

In any of the above embodiments, the motor connecting disc 37 is preferably fixedly mounted on the right side plate 9 by means of respective socket head cap screws.

The firmness of the connection parts can be realized by adopting connecting pieces such as socket head cap screws and the like at the connection parts, the connection strength is ensured, and meanwhile, the follow-up maintenance and disassembly are convenient.

In any of the above schemes, preferably, the planetary gear train includes a sun gear 21 shaft connected and engaged with the left end of the clutch shaft sleeve, the left end of the sun gear 21 shaft is provided with a planet carrier supported and fixed on the left side plate 2 through a planet carrier gasket, a plurality of planet carrier shafts are uniformly installed on the planet carrier along the circumference thereof at intervals, each planet carrier shaft is sleeved with a planet gear 22, each planet gear 22 is engaged with the corresponding planet carrier shaft through a cylindrical roller bearing, each planet gear 22 is respectively engaged with the sun gear on the sun gear 21 shaft, the sun gear drives each planet gear 22 to rotate around the corresponding planet carrier shaft through self-rotation, the periphery of the sun gear 21 shaft is provided with a coaxially arranged gear ring 19, the outer side wall of the gear ring 19 is fixed on the inner side wall of the winding drum 1, the inner ring of the ring gear 19 is engaged with each of the planetary gears 22, and each of the planetary gears 22 rotates to rotate the ring gear 19 and the spool 1.

In any of the above schemes, preferably, the external disc brake mechanism includes a brake disc 5 fixedly mounted on the outer side wall of the left end of the winding drum 1 by a plurality of hexagon socket head cap screws, a brake 46 is mounted on the outer side of the brake disc 5, the brake 46 is used for controlling the rotation and stop of the brake disc 5, and the housing of the brake 46 is fixedly mounted on the left side wall of the left side plate 2 by a brake 46 support plate 6 and a plurality of hexagon socket head cap screws.

The external disc type brake mechanism is mainly used for realizing clamping brake of a brake disc 5 fixedly connected with a winding drum 1, so that the purpose of stably braking the winding drum 1 in the whole load bearing state is achieved, the external disc type brake mechanism can control the friction force between the external disc type brake mechanism and the brake disc by controlling the pressure of a brake caliper and the brake disc, so that the winch winding drum 1 coaxially connected with the brake disc is braked to achieve the purpose of speed reduction brake, and the whole speed reduction process is relatively stable and safer; the whole winch structure is designed, so that the braking stress area is large, and the braking effect is good; meanwhile, good heat dissipation conditions of the brake mechanism can be guaranteed; in addition, the friction coefficient and the braking torque of the whole braking mechanism are stable, the service life of the braking mechanism can be effectively prolonged, and the braking mechanism is easy to maintain.

The arrangement of the planet carrier cover plate 27 and the left side cover plate can effectively play a role of protection, prevent external dust or foreign matters from entering, and effectively protect internal components.

In any of the above solutions, preferably, a support plate is symmetrically installed on the outer side wall of the winding drum 1, two ends of the support plate are respectively installed on the corresponding left side plate 2 and right side plate 9, and a rope pressing device 44 is installed on one of the support plates.

In any of the above schemes, preferably, the rope pressing device 44 includes two rope pressing tube seats 13 installed in the installation holes of the corresponding support plates at intervals, a rope pressing spring 18 is respectively arranged in the tube cavity of each rope pressing tube seat 13, a rope pressing guide rod 17 is inserted into the tube cavity of the rope pressing tube seat 13 outside the rope pressing spring 18, the outer end of the rope pressing guide rod 17 extends out of the tube cavity of the rope pressing tube seat 13 and is connected with a rope pressing rotating shaft 16, and rope pressing rotating sleeves 14 are installed on the outer side walls of the two ends of the rope pressing rotating shaft 16.

The rope pressing device 44 arranged here adopts the bidirectional rope pressing guide rod 17, and can better ensure the propelling action on the rope pressing rotating shaft 16 by means of the telescopic pressing action of the corresponding rope pressing spring 18, and can ensure that not only the pressing force can be provided but also the relative rotation of the rope pressing rotating sleeve 14 can be ensured to reduce the friction between the rope and the steel wire rope when the rope is pressed by utilizing the rope pressing rotating sleeve 14 sleeved on the rope pressing rotating shaft 16, thereby reducing the abrasion to the steel wire rope.

This winch adopts the inside separation and reunion structure of external disc brake cooperation can guarantee the security of whole winch structure in the use well, whole braking structure fixed mounting is on left side board 2 when braking, open through external control external disc brake mechanism stop can control its braking to reel 1 well, thereby reach the effect of braking planetary gear, can guarantee the security of braking, area of contact when improving the braking, this winch embeds the clutch, external disc brake mechanism, can make the winch after promoting the load, the free fall can be realized to the load, safe and reliable more during the operation.

When the planetary gear train is started, the driving motor connects the sun gear 21 shaft of the planetary gear train through the clutch, the sun gear 21 shaft serves as main power input and serves as a driving part, and power of the driving motor can be transmitted after the driving motor is connected with the friction plate type clutch, so that each planetary gear 22 on the whole planet carrier is driven to rotate around the corresponding planetary gear shaft in the planetary gear train, the purpose of driving the gear ring 19 on the outer ring to rotate is achieved, the winding drum 1 fixedly connected with the gear ring 19 can be driven to rotate along with the rotation of the gear ring 19, and the purpose of driving the steel wire rope on the whole winding drum 1 to be lowered or lifted is achieved. When braking is needed, the clamping braking of a brake disc 5 fixedly connected with a winding drum 1 is realized through an external disc type braking mechanism, so that the purpose of stably braking the winding drum 1 in the whole load bearing state is achieved, the external disc type braking mechanism can control the friction force between the external disc type braking mechanism and the brake disc by controlling the pressure of a brake caliper and the brake disc, so that the braking of the winch winding drum 1 coaxially connected with the brake disc is achieved, the purpose of speed reduction braking is achieved, and the whole speed reduction process is relatively stable and safer; the whole winch structure is designed, so that the braking stress area is large, and the braking effect is good; meanwhile, good heat dissipation conditions of the brake mechanism can be guaranteed; in addition, the friction coefficient and the braking torque of the whole braking mechanism are stable, the service life of the braking mechanism can be effectively prolonged, and the braking mechanism is easy to maintain.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims

1. External disk brake winch, its characterized in that: the automatic winding device is characterized by comprising a base, wherein a left side plate and a right side plate are fixedly mounted on the left side and the right side of the base respectively, a winding drum is horizontally arranged between the left side plate and the right side plate, two ends of the winding drum are movably inserted into a mounting hole of the left side plate and a mounting hole of the right side plate respectively, a motor connecting disc is fixedly mounted on the outer side of the right side plate, a driving motor is mounted on the motor connecting disc, an output shaft of the driving motor is connected with an internal clutch mounted inside the winding drum, the left end of the internal clutch is connected with a planetary gear train, the left end of the planetary gear train is connected with an external disc type braking mechanism, the external disc type braking mechanism is used for controlling the operation and braking of the planetary gear train and the winding drum from the outside, and the outer side of the external disc type braking mechanism is fixedly arranged.

2. The outboard disc brake winch of claim 1, wherein: the built-in clutch adopts a friction plate type clutch.

3. The outboard disc brake winch of claim 2, wherein: the built-in clutch comprises a clutch shell, and a plurality of dynamic friction plates, static friction plates and friction plate springs which are arranged at intervals and matched with each other are arranged in an installation cavity of the clutch shell; clutch bearing chamber is installed in clutch housing's installation cavity left side clutch piston who has clutch piston sealing washer is installed to the indoor cooperation of clutch bearing, the right-hand member activity of clutch housing pass the through-hole of motor connection pad and with driving motor's output shaft is connected, all installs thrust self-aligning roller bearing between the rotating part on the left side inner chamber of motor connection pad and clutch housing's right side and in the clutch bearing chamber, the indoor thrust self-aligning roller bearing of clutch bearing is used for supporting the clutch axle sleeve, the right-hand member of clutch axle sleeve cooperatees with dynamic friction piece, static friction piece, the left end of clutch axle sleeve with planetary gear's input is connected.

4. The outboard disc brake winch of claim 3, wherein: the planetary gear train comprises a sun gear shaft which is connected and matched with the left end of the clutch shaft sleeve, the left end of the sun gear shaft is provided with a planet carrier which is supported and fixed on a left side plate through a planet carrier gasket, a plurality of planet wheel shafts are uniformly installed on the planet carrier at intervals along the circumference of the planet carrier, a planet gear is sleeved on each planet wheel shaft, each planet gear is matched with the corresponding planet wheel shaft through a cylindrical roller bearing, each planet gear is respectively meshed with the sun gear on the sun gear shaft, the sun gear drives each planet gear to rotate around the corresponding planet wheel shaft through self rotation, a coaxially arranged gear ring is arranged on the periphery of the sun gear shaft, the outer side wall of the gear ring is fixed on the inner side wall of the winding drum, and the inner ring of the gear ring is meshed with each planet gear, each planetary gear drives the gear ring and the winding drum to rotate through autorotation.

5. The outboard disc brake winch of claim 4, wherein: the external disc type brake mechanism comprises a brake disc fixedly mounted on the outer side wall of the left end of the winding drum through a plurality of inner hexagonal cylindrical head screws in a moistening mode, a brake is mounted on the outer side of the brake disc and used for controlling the brake disc to rotate and stop, and a shell of the brake is fixedly mounted on the left side wall of the left side plate through a brake support plate and a plurality of inner hexagonal cylindrical head screws.

6. The outboard disc brake winch of claim 5, wherein: the brake adopts a hydraulic caliper type brake.

7. The outboard disc brake winch of claim 6, wherein: and a planetary gear carrier cover plate is arranged on the left end surface of the planetary carrier, and a left side cover plate is arranged on the left side wall of the left side plate.

8. The outboard disc brake winch of claim 7, wherein: the outer side wall of the winding drum is symmetrically provided with a supporting plate, two ends of the supporting plate are respectively arranged on the corresponding left side plate and right side plate, and one supporting plate is provided with a rope pressing device.

9. The outboard disc brake winch of claim 8, wherein: the rope pressing device comprises two rope pressing pipe seats which are arranged in the corresponding mounting holes of the supporting plates at intervals, a rope pressing spring is arranged in a pipe cavity of each rope pressing pipe seat respectively, a rope pressing guide rod is inserted into the pipe cavity of the rope pressing pipe seat on the outer side of the rope pressing spring, the outer end of the rope pressing guide rod extends out of the pipe cavity of the rope pressing pipe seat and is connected with a rope pressing rotating shaft, and rope pressing rotating sleeves are arranged on the outer side walls of the two ends of the rope pressing rotating shaft.