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What Is A Capstan On A Ship?

Capstan is a kind of small winch used on deck or shore for anchoring and mooring purposes. The marine capstan has the characteristics of compact structure, easy operation, light weight, and convenient maintenance. It is a cost-effective choice for your small ships. The speed of the capstan can be single speed, double speed and three speed depending on your requirements.

If there is no large space on the ship, a capstan can be selected for anchoring operations. A part of the capstan can be installed below the deck, which can save some space on the deck. If you need a boat capstan, don’t hesitate to contact us. We provide a variety of capstans to suit different requirements of customers.

Marine Capstan for sale
Capstan for Ships
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Boat Capstan

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Types of Capstan On A Ship

There are different types of marine capstan to choose from:

According to the power source, it can be divided into electric capstan and hydraulic capstan.

According to the structure, it can be classified into vertical capstan and horizontal capstan.

According to the uses, there are anchor capstan and mooring capstan for you to choose from.

Electric Capstan for Ship
Electric Capstan
Hydraulic Capstan On Ship
Hydraulic Capstan
Vertical Capstan for Sale
Vertical Capstan
Horizontal Capstan Winch
Horizontal Capstan
Electric Anchor Capstan
Anchor Capstan
Mooring Capstan for Sale
Mooring Capstan

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Customer Case

Electric Capstan And Winches to UAE

Features of Marine Capstan

  • Electric or hydraulic power
  • Anchor chain wheel for independent anchoring operation
  • Multiple control options
  • Fail-safe braking system
  • Emergency stop device
  • Marine coating system
  • Variable speed is optional to meet different working requirements
  • Factory assembly and testing

FAQs

What Is The Purpose of A Capstan?
Capstan is used for mooring and anchoring on the deck or on the shore. Generally, the drum of the capstan does not store the rope, one is because the drum is small and can’t store much; the other is because it is a vertical type, and the moment it bears is small.
What Is An Anchor Capstan?

Anchor capstan is used for anchoring. It is structured as a vertical roller on the top, and a motor (or hydraulic motor) mounted vertically on the bottom, and the motor is coupled with the roller.

Anchor capstan can be installed on or through the deck and used for anchoring operations. It has the same function as the anchor windlass, but with different appearance. The capstan has only one drum or chain wheel to rotate during operation to wind the anchor chain, but cannot hold and store the wire on the drum. One importance benefit of using anchor capstan on ships is that the line traction can come from any direction, but the anchor chain should approach the chain wheel at an angle. The pulling force of the capstan depends on the diameter of the anchor chain, and the diameter of the chain wheel should match the diameter of the chain to ensure that no chain jumps off the wheel during the anchoring operation.

What Is A Mooring Capstan?
Mooring capstan is designed for mooring. The power source can be electric or hydraulic. Compared with mooring winch, the mooring capstan is vertical, compact and easy to use.
How Does An Anchor Capstan Work?

Anchor capstan is composed of motor, reducer, base, sprocket, capstan body, jaw clutch, brake, push rod, etc.

The whole machine is is firmly connected to the deck through six bolts on the base. The electric motor is inserted into the input end of the reducer and is connected to the reducer as a whole. The sprocket shaft is directly sleeved on the output shaft of the reducer, and the torque is transmitted through the key. The sprocket and the capstan body are provided with inlays used as clutches, and the clutch handle is used to control the lifting and lowering of the capstan body, so that the capstan winch body and the sprocket are combined or disconnected.

When the capstan winch body is fitted with the sprocket teeth, the anchoring operation can be carried out, and when the two are disconnected, the cable winching operation can be carried out.

In the absence of electricity, the capstan cover can be opened and the clutch nut can be turned to disengage the body of the capstan from the main shaft for manual anchoring and cable winching.

The brake device is an ordinary band brake, which is composed of brake band, trapezoidal screw, nut, pin and other parts. When working, the handwheel is turned and transmitted to the brake band through the trapezoidal screw to achieve braking.

What Is Difference Between Windlass And Capstan?

Windlass is used to retract anchors and chains on ships, usually installed on the first deck of the ship. The anchor windlass is mainly composed of base, support, anchor sprocket, brake, gearbox, electric control system, etc. The electric windlass has an electric motor, and the hydraulic windlass has a hydraulic pump station.

Capstan is a kind of small winch used on ships for anchoring and mooring. It has the characteristics of small size, light weight, high efficiency, simple structure, easy operation, convenient maintenance, etc.

Get A Free Quote

If you are interested in our boat capstan, please feel free to contact us and provide some basic information about the capstan you need, so that we can make a suitable quotation for you:

  • Uses of the capstan, mooring or anchoring?
  • Working environment of the capstan
  • Vertical or horizontal capstan?
  • Load capacity or pulling force
  • Line speed
  • Electric or hydraulic?
  • Are there any special requirements for the capstan size?
  • 3-phase voltage?

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