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Phone: 13889888886

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ratchet

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ratchet

  • Classification:Cast iron

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  • Date:2018/07/03
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ratchet


Ratchet wheel is the general name of a cast iron alloy consisting mainly of iron, carbon and silicon. In these alloys, the carbon content exceeds the amount retained in the austenite solid solution at the eutectic temperature.

Ratchet wheel is defined as a kind of gear with rigid toothed surface or friction surface on the outer edge or inner edge, which is an important component of ratchet wheel mechanism. The ratchet is driven by a pawl to make a step motion. This meshing motion is characterized by the ratchet wheel can only rotate in one direction rather than reverse.

A ratchet is the main component of a ratchet mechanism. The spring forces the stopper to keep in contact with the ratchet. Wherein, the rocker is hollow set on the ratchet shaft, and the pawl is installed on the rocker, while the ratchet wheel is fixed on the driven shaft with the key.

When the rocker of the active part swings counterclockwise, the drive pawl is inserted into the slot of the ratchet wheel, pushing the ratchet wheel to turn an Angle. At this time, the stop claw slides on the back of the ratchet wheel tooth. When the rocker of the driving part swings clockwise, the stop claw prevents the ratchet wheel from rotating clockwise, while the driving pawl can slip on the back of the ratchet tooth, so the ratchet wheel is still. Thus, when the rocker makes a continuous reciprocating swing, the ratchet makes a one-way intermittent movement. Among them, the reciprocating oscillation of the active part can be obtained by the CAM mechanism of the swinging follower, the crank rocker mechanism, or by the hydraulic drive and electromagnetic device.

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18940018888

13889888886

024-62908888

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Phone: 18940018888

             13889888886

Telephone: 024-62908888

Email address: sjj8000@sohu.com

Address: no. 15, liaozhong commercial street, shenyang city

Fax: 024-87880508

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