HHBB-Electric chain hoist with motorized trolley motor is typical of unique optimal structure in shortening the distance between the machine body and the beam tracks, applicable to operations in side low buildings, especially suitable for use in temporarily erected plant buildings or on the sites where expansion of effective hoisting spaces inside the buildings is required the most important parts of the machine is chain and brake system.
1.Shell: Light aluminum alloy shell shall be adopted, which is light but hard ane fit for the use in the terrible work environment with a high heat dissipation rate and all tightness design.
2.Inverse phase sequence protecting device: It is the special electrical installation which controls the circuit not to work in case of wiring error in power supply.
3.Limit switch: The limit switch device is installed where the weigh is lifted on and off to make the motor to stop automatically so as to prohibit the emergencies from exceeding for safety.
4.24V/36V device: It is used to prohibit the emergencies from occurring in case of the leakage in the switch.
5.Side magnetic braking device: This device shall realize the instant brake in case of the power dump.
6.Chain big: It shall be light, handsome and durable.
7.Chain: The chain shall adopt the imported FEC G80 ultraheat-treatable aluminum alloy chain.
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