Hydraulic positioning winch

The design of the double-drum hydraulic positioning winch enables 8-point positioning of large ships, improving berthing stability, simplifying operation, and extending equipment lifespan.

CN223866255UActive Publication Date: 2026-02-03SIN SENG HUAT (QIDONG) MARINE EQUIP CO LTD
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Patent Information

Application Number
CN202323595266.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-28
Publication Date
2026-02-03
Estimated Expiration
2033-12-28

AI Technical Summary

Technical Problem

Existing marine winches are complex in structure and cumbersome to operate, resulting in unstable berthing of large ships.

Method used

The system employs a double-drum hydraulic positioning winch, which drives two drums to rotate via a common drive shaft. Each winch releases two wire ropes for 8-point positioning. Combined with a damping brake and copper sleeve design, the system simplifies the structure and maintains the tension of the wire ropes.

Benefits of technology

It improves the berthing stability of large ships, simplifies the operation process, and extends the service life of the mooring system.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to and belongs to the technical field of wharf mooring equipment, and discloses a hydraulic positioning winch. A small chain wheel is arranged at the other end of the main shaft of the winding drum; the cable arrangement device comprises a reciprocating lead screw, the reciprocating lead screw is rotatably arranged in the wall frame in a penetrating mode, a thread part of the reciprocating lead screw is provided with a cable arrangement guide seat, the cable arrangement guide seat is provided with a guide hole, and the guide hole is connected with a guide shaft through a copper sleeve I; a cable arrangement device is arranged in front of each of the two winding drums; a common driving shaft is arranged between the two winding drums; a front pinion and a rear pinion are arranged on the common driving shaft; the front pinion and the rear pinion are respectively provided with a reel clutch. The hydraulic positioning winches are installed on the two sides of a bow deck and the two sides of a stern deck respectively, each winch releases two steel wire ropes for anchoring, eight-point positioning and firm positioning are achieved, and the mooring stability of a large ship is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to belong to the wharf mooring equipment technical field, concretely is hydraulic positioning winch. BACKGROUND

[0002] Marine winch is a kind of deck equipment for handling steel wire rope, generally installed in the front of ship and deck both sides, when needing to anchor ship, stop or tow, using ship anchor and mooring winch to anchor and moor, to ensure that ship stops and safely stays in place without moving or drifting. At present, one mooring winch is installed in the front of ship and deck both sides, each winch has one drum, single-point mooring, for large ships, such as freighter, tanker, cruise ship, ship mooring is not stable enough.

[0003] CN216945978U discloses the mooring hydraulic winch with tension control adjustment, the two sides in cable arrangement device are equipped with sliding side guide pulley, one side of side guide pulley is equipped with first guide pulley, the other side is equipped with second guide pulley, and tension sensor is arranged on the second guide pulley. The second guide pulley is abutted on the cable through the action of tension sensor, is used to detect cable tension, to control the power of hydraulic motor according to the detected tension. The brake device is fixed at both ends of the drum, and the brake device manually brakes the drum. The rope tension needs to be detected by the tension sensor to control the power of the hydraulic motor. Each drum is provided with two brake devices, and the structure is relatively complex and the operation is relatively troublesome.

[0004] Therefore, a new technical solution is needed to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model solves the technical problem to provide a kind of to improve the mooring stability of large ship, simplify structure, the hydraulic positioning winch of simple operation.

[0006] To solve the above technical problems, the utility model provides hydraulic positioning winch, including drum, cable arrangement device and hydraulic motor, and the drum is set to front, rear two;The main shaft of the drum is set drum gear at one end, and small sprocket is set at the other end;Cable arrangement device includes reciprocating screw, and reciprocating screw is rotatably arranged in wall frame, and the thread portion of reciprocating screw is provided with cable arrangement guide seat, and guide hole is provided on cable arrangement guide seat, and guide hole is connected with guide shaft by copper bushing I;Each of the front of two drums is provided with a cable arrangement device;Common drive shaft is set in two drums, and small gear is set on common drive shaft, and small gear is front, rear two, and front, rear small gear is equipped with drum clutch respectively.

[0007] By adopting the above technical scheme, the hydraulic positioning winch is installed in the deck both sides of ship bow, the deck both sides of ship stern respectively, and the common drive shaft drives two drums to rotate, two steel wire ropes are released for anchoring by each winch, 8-point positioning is formed, firm positioning is realized, and the mooring stability of large ship is improved.

[0008] Preferably, the pinion and the drum gear on the drum are engaged; the small sprocket on the drum is connected to the large sprocket at one end of the reciprocating screw rod of the cable arranging device through a chain.

[0009] By adopting the technical scheme, the hydraulic motor drives the gear of the reduction gearbox, drives the two drums to wind and unwind the steel wire rope, the small sprocket on the drum drives the large sprocket on the cable arranging device through a chain, and the large sprocket drives the cable arranging guide seat on the reciprocating screw rod to realize the horizontal movement of the steel wire rope. The drum moves horizontally by a distance of the diameter of the steel wire rope per revolution.

[0010] Preferably, the drum gear is connected with the brake gear of the damping brake; and the damping brake is arranged on the wall frame.

[0011] By adopting the technical scheme, the damping brake is arranged on the drum gear, so that the tension of the steel wire rope can be maintained when the rope is rapidly unwound, the rope is prevented from being disordered, the power of the hydraulic motor does not need to be controlled to control the tension of the cable, the structure is simplified, and the operation is simple.

[0012] Preferably, the drum is rotatably arranged on the wall frame, the common driving shaft is connected with the hydraulic motor through the reduction gearbox, and the common driving shaft is provided with power for driving the two drums; the front drum clutch and the rear drum clutch are respectively driven by the respective oil cylinders to realize the connection and termination of power through the respective forks; and the reduction gearbox is arranged on the wall frame, and the hydraulic motor is arranged on the reduction gearbox.

[0013] By adopting the technical scheme, the common driving shaft is connected with the hydraulic motor through the reduction gearbox, and the common driving shaft is provided with power for driving the two drums.

[0014] Preferably, the rotating part of the reciprocating screw rod is arranged in the wall frame through a bearing.

[0015] By adopting the technical scheme, the rotating part of the reciprocating screw rod is arranged in the wall frame through a bearing, so that the rotating stability is improved.

[0016] Preferably, the outer end face of the large sprocket is provided with a snap spring, and the snap spring is clamped in the socket of the reciprocating screw rod.

[0017] By adopting the technical scheme, the snap spring is used to prevent the transverse sliding of the large sprocket, the large sprocket is prevented from falling off, and the operation stability of the cable arranging device is improved.

[0018] Preferably, the large sprocket is arranged at one end of the reciprocating screw rod through a copper bushing II.

[0019] By adopting the technical scheme, the copper bushing II is used to slow down the rotating friction of the large sprocket, and the service life of the cable arranging device is improved.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The utility model discloses hydraulic positioning winch is installed on the both sides of the bow deck of the ship, the both sides of the stern deck, and the common drive shaft drives two reel rotation, and two steel wire ropes are released to carry out anchoring for each winch, realizes 8 point positioning, firmly positions, improves the berthing stability of large -scale ship.

[0022] 2. The utility model discloses the damping brake of reel gear configuration can keep the tension of steel wire rope when fast releasing the rope, avoids the disorder of rope, and need not to control the power of hydraulic motor to control cable tension, simplifies the structure, and simple operation.

[0023] 3. The utility model discloses big sprocket is set up in one end of reciprocating screw through copper bushing II, slows down the rotation friction, improves the service life of cable arranging device. DRAWINGS

[0024] Figure 1 It is the plan view of the utility model.

[0025] Figure 2 It is the side view of the utility model.

[0026] Figure 3 It is the transmission schematic view of the utility model.

[0027] Figure 4 It is the cable arranging device schematic view of the utility model.

[0028] Figure 5 It is the cable arranging device plan view of the utility model.

[0029] In the drawing, 1. wall frame, 2. reciprocating screw, 3. guide shaft, 4. cable arranging guide seat, 5. nut, 6. copper bushing I, 7. bearing, 8. big sprocket, 9. sprocket clutch, 10. copper bushing II, 11. stop plate, 12. chain, 13. reel, 14. cable arranging device. 15. bolt, 16. clamping spring. 17. reel gear, 18. small sprocket, 19. common drive shaft, 20. pinion, 21. reel clutch, 22. damping brake, 23. speed reducer, 24. hydraulic motor, 25. hand wheel. 26. brake gear. DETAILED DESCRIPTION

[0030] As Figure 1 , 2As shown, the hydraulic positioning winch comprises a drum 13, a cable arrangement 14 and a hydraulic motor 24. The drum 13 is arranged as a front drum on the right side and a rear drum on the left side, and there are two in total. The front and rear drums 13 are rotatably arranged on the wall frame 1 respectively, and a common drive shaft 19 is connected through a reduction box 23 and the hydraulic motor 24 to provide power for driving the two drums 13. The front and rear drum clutches 21 are respectively driven by the respective oil cylinders to realize the connection and termination of power through the respective forks. The reduction box 23 is arranged on the wall frame 1, and the hydraulic motor 24 is arranged on the reduction box 23. The drum large gear 17 is connected with the brake gear 26 of the damping brake 22; the damping brake 22 is arranged on the wall frame 1. Arranging the damping brake 22 for the drum large gear 17 can maintain the tension of the steel wire rope when the rope is rapidly released, avoid the rope from being messy, and there is no need to additionally control the power of the hydraulic motor 24 to control the cable tension, which simplifies the structure and is easy to operate.

[0031] As shown in the drawings, Figure 3 The main shaft of the drum 13 is arranged with a drum large gear 17 at one end and a small chain wheel 18 at the other end; the cable arrangement 14 comprises a reciprocating screw rod 2 which is rotatably arranged in the wall frame 1, and the reciprocating threaded part of the reciprocating screw rod 2 is arranged with a cable arrangement guide seat 4 which is provided with a guide hole connected with a guide shaft 3 through a copper bushing I 6; one cable arrangement 14 is arranged in front of each of the two drums 13; the common drive shaft 19 is arranged in the middle of the two drums 13, and the front and rear pinions 20 are arranged on the common drive shaft 19 respectively. The front and rear pinions 20 are respectively arranged with the corresponding front and rear drum clutches 21.

[0032] The front and rear pinions 20 are respectively engaged with the drum large gears 17 on the front and rear drums 13; the small chain wheels 18 on the front and rear drums 13 are respectively connected with the large chain wheels 8 at one end of the reciprocating screw rods 2 of the respective cable arrangement 14 through the chains 12. The hydraulic motor 24 drives the gear of the reduction box 23 to drive the two drums 13 to release and wind the steel wire rope, and the small chain wheels 18 on the drums 13 drive the large chain wheels 8 on the cable arrangement 14 through the chains 12, and the large chain wheels 8 drive the cable arrangement guide seats 4 on the reciprocating screw rods 2 to realize the horizontal movement of the steel wire rope. The drum 13 rotates one circle, and the cable arrangement guide seat 4 moves horizontally by a distance of one diameter of the steel wire rope.

[0033] The hydraulic positioning winch of the present application is respectively installed on both sides of the bow deck and both sides of the stern deck of the ship, each winch releases two steel wire ropes for anchoring to realize 8-point positioning, firm positioning and improve the berthing stability of the large ship.

[0034] As shown in the drawings, Figure 4As shown in the drawings, the sprocket clutch 9 is provided with a stop plate 11, the stop plate 11 is connected with one end of the reciprocating screw 2 through the bolt 15, and the stop plate 11 is prevented from falling off. The outer circumference of the sprocket clutch 9 is provided with a hand wheel 25, the reciprocating screw 2 of the cable arranging device 14 is adjusted by pushing and pulling the hand wheel 25. The rotating part of the reciprocating screw 2 is arranged in the wall frame 1 through the bearing 7, and the rotating stability is improved. The reciprocating screw 2 at the outer end of the wall frame 1 is provided with the nut 5. The reciprocating screw 2 is limited by the nut 5, and the operation is simple.

[0035] The outer end surface of the sprocket 8 is provided with the snap spring 16, the snap spring 16 is clamped in the socket of the reciprocating screw 2, the sprocket 8 is prevented from falling off, and the running stability of the cable arranging device 14 is improved. The sprocket 8 is arranged at one end of the reciprocating screw 2 through the copper sleeve II 10, the rotating friction of the sprocket 8 is reduced through the copper sleeve II 10, and the service life of the cable arranging device 14 is improved.

[0036] As shown in the drawings, Figure 5 The guide shaft 3 is symmetrical and distributed on both sides of the reciprocating screw 2, and the end of the guide shaft 3 is fixedly installed on the wall frame 1.

[0037] When the offshore positioning of the residential barge is used, the hydraulic motor 24 is started, the two winches 13 are driven to release the steel wire rope, the brake gear 26 of the damping brake 22 is kept in damping force with the sprocket gear 17 of the winch, the small sprocket 18 on the winch 13 drives the sprocket 8 on the cable arranging device 14, the sprocket 8 drives the cable arranging guide seat 4 on the reciprocating screw 2, and the steel wire rope moves horizontally and uniformly. The four double winches 13 can realize eight-point positioning, the damping brake 22 and the winch gear 17 on the main shaft of the winch 13 are matched with each other, the tension of the steel wire rope can be kept when the rope is released quickly, and the rope is prevented from being messy.

[0038] Those skilled in the art should understand that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structure principle of the utility model have been displayed and described in the embodiments, and the embodiments of the utility model can be deformed or modified without departing from the principle.

Claims

1. A hydraulic positioning winch, comprising a drum (13), a cable laying device (14), and a hydraulic motor (24), characterized in that: The drum (13) is configured as two, front and rear; a large drum gear (17) is provided at one end of the main shaft of the drum (13), and a small sprocket (18) is provided at the other end; the cable laying device (14) includes a reciprocating screw (2), which is rotatably installed in the wall frame (1), and a cable laying guide seat (4) is provided on the threaded part of the reciprocating screw (2), and a guide hole is provided on the cable laying guide seat (4), which is connected to the guide shaft (3) through a copper sleeve I (6); a cable laying device (14) is provided in front of each of the two drums (13); a common drive shaft (19) is provided between the two drums (13); a small gear (20) is provided on the common drive shaft (19), and there are two small gears (20), front and rear, and a drum clutch (21) is provided on the front and rear small gears (20).

2. The hydraulic positioning winch according to claim 1, characterized in that: The small gear (20) meshes with the large gear (17) on the drum (13); the small sprocket (18) on the drum (13) is connected to the large sprocket (8) at one end of the reciprocating screw (2) of the cable laying device (14) via the chain (12).

3. The hydraulic positioning winch according to claim 2, characterized in that: The large gear (17) of the drum is connected to the brake gear (26) of the damping brake (22); the damping brake (22) is mounted on the wall frame (1).

4. The hydraulic positioning winch according to claim 1, characterized in that: The drum (13) is rotatably mounted on the wall frame (1), and the common drive shaft (19) is connected to the hydraulic motor (24) via a gearbox (23); the gearbox (23) is mounted on the wall frame (1), and the hydraulic motor (24) is mounted on the gearbox (23).

5. The hydraulic positioning winch according to claim 1, characterized in that: The rotating part of the reciprocating screw (2) is mounted in the wall frame (1) via a bearing (7).

6. The hydraulic positioning winch according to claim 2, characterized in that: A retaining ring (16) is provided on the outer end face of the large sprocket (8), and the retaining ring (16) is engaged in the slot of the reciprocating screw (2).

7. The hydraulic positioning winch according to claim 2, characterized in that: The large sprocket (8) is mounted on one end of the reciprocating screw (2) via a copper bushing II (10).