A dual drum marine winch anchor windlass

Abstract

The utility model discloses a double winding drum marine winch anchor windlass belongs to anchor windlass technical field, including support seat, anchor chain, power component, two winding drum components, anchor chain fixed component, two winding drum components are symmetrically arranged on transmission shaft, and winding drum component includes winding drum, locking assembly, and the anchor chain is wound on winding drum and one end is fixedly connected with an anchor chain fixed component, and motor drive transmission shaft rotates and drives winding drum rotation to collect and release anchor chain, and locking assembly includes clamping block, adjusting screw rod, two connecting lug plate, and clamping block is sleeved in winding drum one end, and clamping block is equipped with the opening, and the opening extends two connecting lug plate, and adjusting screw rod passes through two connecting lug plate, and the size of opening is adjusted through the rotation adjusting screw rod, to lock or unlock winding drum. The application improves the anchor chain collection and release efficiency through the symmetrical layout of double winding drums, and is matched with two independent locking assemblies that are simple and reliable, retains part function when the fault, and the locking is more stable, and the equipment load is smaller, prolongs the service life of equipment.

Description

Technical Field

[0001] This utility model relates to the field of anchor winch technology, and in particular to a double-drum marine winch anchor winch. Background Technology

[0002] During ship navigation and berthing, the anchor winch is the core equipment for raising and lowering anchor chains, directly affecting the ship's anchoring safety and operational efficiency. Existing marine anchor winches mostly adopt a single-drum structure. When handling two separate anchor chains, the operation must be carried out in stages (raising and lowering the first chain first, then the second), which is cumbersome and time-consuming, resulting in low efficiency and failing to meet the requirements of high-efficiency operations. Moreover, a malfunction of the single drum (or its locking component) (such as drum jamming or locking failure) will render both anchor chains inoperable. Furthermore, if a single drum needs to lock two anchor chains simultaneously, a single locking component must bear the "downward torque of both anchor chains," which can easily lead to slippage due to excessive load, shortening the equipment's service life. Utility Model Content

[0003] In order to overcome the shortcomings of the existing technology, the purpose of this utility model is to provide a double-drum marine winch anchor hoist, which improves the efficiency of anchor chain winding and unwinding through the symmetrical layout of the double drums, and is equipped with two simple and reliable independent locking components. In case of failure, some functions are retained, the locking is more stable, the equipment load is smaller, and the service life of the equipment is extended.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A double-drum marine winch anchor hoist includes a support base, an anchor chain, a power assembly, two drum assemblies, and an anchor chain fixing assembly. The power assembly includes a motor, a transmission block, and a transmission shaft. The transmission shaft is mounted on the support base, and the transmission block is mounted on the transmission shaft and connected to the motor. The two drum assemblies are symmetrically arranged on the transmission shaft. Each drum assembly includes a drum and a locking assembly. The drum is mounted on the transmission shaft, and the anchor chain is wound around one of the drums with one end fixedly connected to an anchor chain fixing assembly. The motor drives the transmission shaft to rotate and causes the drum to rotate to wind up and unwind the anchor chain. The locking assembly includes a clamping block, an adjusting screw, and two connecting lugs. The clamping block is sleeved on one end of the drum and has an opening. Two connecting lugs extend from the opening. The adjusting screw passes through the threaded holes of the two connecting lugs. By rotating the adjusting screw, the size of the opening is adjusted to lock or unlock the drum.

[0006] Furthermore, the locking assembly also includes a handwheel, which is mounted on the head end of the adjusting screw. Rotating the handwheel drives the adjusting screw to rotate in order to lock the drum.

[0007] Furthermore, the double-drum marine winch anchor hoist also includes a controller, the motor is electrically connected to the controller, the controller controls the motor to rotate forward to retrieve the anchor chain, and the controller controls the motor to rotate in reverse to lower the anchor chain.

[0008] Furthermore, the anchor chain fixing assembly includes a mounting base, a clamp body, and a locking screw. The clamp body is mounted on the mounting base, and a cavity for accommodating the anchor chain is formed between the two. The locking screw is mounted on the clamp body, and the anchor chain is locked by rotating the clamp body.

[0009] Furthermore, the clamp body adopts an open-type clamp structure.

[0010] Furthermore, the support includes a base and a bracket, the bracket being mounted on the base, and the drive shaft being mounted on the bracket.

[0011] Furthermore, the power assembly also includes a reduction gearbox, which is installed at the output end of the motor, and the motor is connected to the transmission block via the reduction gearbox.

[0012] Furthermore, the support base is made of carbon steel welded together, and the bottom of the support base is provided with mounting holes adapted to the ship deck.

[0013] Compared to existing technologies, this utility model of a double-drum marine winch anchor hoist includes a support base, an anchor chain, a power component, two drum assemblies, and an anchor chain fixing assembly. The power component includes a motor, a transmission block, and a transmission shaft. The transmission shaft is mounted on the support base, and the transmission block is mounted on the transmission shaft and connected to the motor. The two drum assemblies are symmetrically arranged on the transmission shaft. Each drum assembly includes a drum and a locking assembly. The drum is mounted on the transmission shaft, and the anchor chain is wound around one drum with one end fixedly connected to an anchor chain fixing assembly. The motor drives the transmission shaft to rotate and drives the drum to rotate to wind up and unwind the anchor chain. The locking assembly includes a clamping block, an adjusting screw, and two connecting lugs. The clamping block is fitted onto one end of the drum and has an opening. Two connecting lugs extend from the opening. The adjusting screw passes through the threaded holes of the two connecting lugs. By rotating the adjusting screw, the size of the opening is adjusted to lock or unlock the drum.

[0014] In this application, the efficiency of anchor chain winding and unwinding is improved by using a symmetrical layout of two drums. It is equipped with two simple and reliable independent locking components, which retain some functions in case of failure, making the locking more stable, reducing the equipment load, and extending the service life of the equipment. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of the double-drum marine winch anchor lifting machine of this utility model;

[0016] Figure 2 for Figure 1 Another structural schematic diagram of a twin-drum marine winch anchor hoist;

[0017] Figure 3 for Figure 1 A top view of a twin-drum marine winch anchor hoist.

[0018] In the diagram: 1. Support base; 11. Base; 12. Bracket; 2. Power assembly; 21. Motor; 22. Gearbox; 23. Transmission block; 24. Transmission shaft; 3. Drum assembly; 31. Drum; 32. Locking assembly; 321. Clamping block; 3211. Opening; 322. Adjusting screw; 323. Connecting ear plate; 324. Handwheel; 4. Anchor chain fixing assembly; 41. Mounting base; 42. Clamp body; 43. Locking screw; 5. Anchor chain; 6. Controller. Detailed Implementation

[0019] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Figures 1-3This utility model relates to a double-drum 31 marine winch anchor hoist, comprising a support base 1, a power unit 2, two drum assemblies 3, an anchor chain fixing assembly 4, and an anchor chain 5.

[0023] In this embodiment:

[0024] The support base 1 includes a base 11 and a bracket 12. The bracket 12 is mounted on the base 11 and is used to install the power assembly 2 and two drum assemblies 3. In this embodiment, the support base 1 is made of carbon steel welded together, and the bottom of the support base 1 is provided with mounting holes adapted to the ship deck.

[0025] The power assembly 2 includes a motor 21, a gearbox 22, a transmission block 23, and a transmission shaft 24.

[0026] The drive shaft 24 is mounted on the bracket 12, the gearbox 22 is mounted on the output end of the motor 21, and the transmission block 23 is mounted on the drive shaft 24. The motor 21 is connected to the transmission block 23 through the gearbox 22 to adjust the speed of the drive shaft 24.

[0027] Two drum assemblies 3 are symmetrically arranged on the drive shaft 24. Each drum assembly 3 includes a drum 31 and a locking assembly 32. The drum 31 is mounted on the drive shaft 24. The anchor chain 5 is wound around one drum 31 and one end is fixedly connected to an anchor chain fixing assembly 4. The motor 21 drives the drive shaft 24 to rotate and drives the drum 31 to rotate to wind up and unwind the anchor chain 5. The two drum assemblies 3 can work synchronously and can wind alternately when winding up and unwinding the long anchor chain 5, reducing the working load of a single drum 31 and increasing the wind up and unwinding speed of the anchor chain 5.

[0028] The locking assembly 32 includes a clamping block 321, an adjusting screw 322, a connecting ear plate 323, and a handwheel 324. The clamping block 321 is sleeved on one end of the drum 31. The clamping block 321 has an opening 3211, and two connecting ear plates 323 with threaded holes extend from the opening 3211. The adjusting screw 322 is installed on the clamping block 321 and passes through the threaded holes of the two connecting ear plates 323. The handwheel 324 is installed at the head end of the adjusting screw 322. By rotating the handwheel 324, the adjusting screw 322 is driven to adjust the size of the opening 3211 of the clamping block 321, thereby locking or unlocking the drum 31. It does not require complex hydraulic or gear components, has low manufacturing cost, and is easy to maintain.

[0029] If one of the drums 31 (or its locking component 32) malfunctions (such as the drum 31 jamming or locking failure), the malfunctioning drum 31 can be fixed by independent locking, and only the normal drum 31 can be used to wind and unwind the corresponding anchor chain 5. Even if dual anchor operation cannot be achieved, at least one anchor chain 5 can be used normally, avoiding the risk of paralysis caused by the failure of a single drum 31, which would render both anchor chains 5 inoperable. The independent locking components 32 of the dual drums 31 each bear the braking torque of one anchor chain 5, making the locking more stable and significantly reducing the wear rate.

[0030] The anchor chain fixing assembly 4 includes a mounting base 41, a clamp body 42, and a locking screw 43. The clamp body 42 is mounted on the mounting base 41, forming a cavity between them to accommodate the anchor chain 5. The locking screw 43 is mounted on the clamp body 42. The anchor chain 5 is locked by rotating the clamp body 42. In this embodiment, the clamp body 42 adopts an open 3211 type clamp structure.

[0031] The controller 6 is electrically connected to the motor 21. The controller 6 controls the motor 21 to rotate forward to retrieve the anchor chain 5, and the controller 6 controls the motor 21 to rotate in reverse to lower the anchor chain 5.

[0032] When in use, the motor 21 is started, and the motor 21 drives the transmission block 23 and the transmission shaft 24 to rotate through the reduction gearbox 22. The transmission shaft 24 drives the two drums 31 to rotate synchronously. If synchronous anchor retraction is required, the anchor chain 5 is wound around the drum 31 under the action of rotation, so as to realize the retraction of the anchor chain 5. If synchronous anchor release is required, the motor 21 rotates in the opposite direction, the drums 31 rotate in the opposite direction, and the anchor chain 5 is slowly released under the action of gravity.

[0033] When the anchor chain 5 is wound up to the specified length, rotate the adjusting screw 322 clockwise to reduce the size of the opening 3211 of the clamping block 321. The clamping block 321 fits tightly against the outer wall of the drum 31, and the drum 31 is prevented from rotating by friction. When the lock is released, rotate the adjusting screw 322 counterclockwise to separate the clamping block 321 from the drum 31, and the drum 31 can be restored to rotation.

[0034] In this application, the symmetrical layout of the double drum 31 improves the efficiency of anchor chain 5 winding and unwinding, and is equipped with two simple and reliable independent locking components 32, which retain some functions in case of failure, making locking more stable, reducing equipment load, and extending equipment service life.

[0035] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A double-drum (31) marine winch anchor hoist, comprising a support base (1) and an anchor chain (5), characterized in that: It also includes a power assembly (2), two drum assemblies (3), and an anchor chain fixing assembly (4). The power assembly (2) includes a motor (21), a transmission block (23), and a transmission shaft (24). The transmission shaft (24) is mounted on the support base (1). The transmission block (23) is mounted on the transmission shaft (24) and is connected to the motor (21) in a transmission connection. The two drum assemblies (3) are symmetrically arranged on the transmission shaft (24). Each drum assembly (3) includes a drum (31) and a locking assembly (32). The drum (31) is mounted on the transmission shaft (24). The anchor chain (5) is wound around one of the drums (31) and one end is fixedly connected to one of the anchor chain fixing assemblies (4). The motor (21) drives the transmission shaft (24) to rotate and drives the drum (31) to rotate to wind up and unwind the anchor chain (5). The locking assembly (32) includes a clamping block (321), an adjusting screw (322), and two connecting lugs (323). The clamping block (321) is sleeved on one end of the drum (31). The clamping block (321) has an opening (3211). Two connecting lugs (323) extend from the opening (3211). The adjusting screw (322) passes through the threaded holes of the two connecting lugs (323). By rotating the adjusting screw (322), the size of the opening (3211) is adjusted to lock or unlock the drum (31).

2. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The locking assembly (32) also includes a handwheel (324) which is mounted on the head end of the adjusting screw (322). By rotating the handwheel (324), the adjusting screw (322) is driven to rotate to lock the drum (31).

3. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The double-drum (31) marine winch anchor hoist also includes a controller (6), the motor (21) is electrically connected to the controller (6), the controller (6) controls the motor (21) to rotate forward to retrieve the anchor chain (5), and the controller (6) controls the motor (21) to rotate in reverse to lower the anchor chain (5).

4. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The anchor chain fixing assembly (4) includes a mounting base (41), a clamp body (42), and a locking screw (43). The clamp body (42) is mounted on the mounting base (41) and a cavity for accommodating the anchor chain (5) is formed between the two. The locking screw (43) is mounted on the clamp body (42) and the anchor chain (5) is locked by rotating the clamp body (42).

5. The double-drum (31) marine winch anchor hoist according to claim 4, characterized in that: The clamp body (42) adopts an open (3211) type clamp structure.

6. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The support base (1) includes a base (11) and a bracket (12). The bracket (12) is mounted on the base (11), and the drive shaft (24) is mounted on the bracket (12).

7. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The power assembly (2) also includes a reduction gearbox (22), which is installed at the output end of the motor (21). The motor (21) is connected to the transmission block (23) through the reduction gearbox (22).

8. The double-drum (31) marine winch anchor hoist according to claim 1, characterized in that: The support base (1) is made of carbon steel welded together, and the bottom of the support base (1) is provided with mounting holes adapted to the ship deck.

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