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Hebei Kunda Hoisting Equipment Co.,Ltd

Beijing Office: Rm 1204, No.3 Bldg, Aoyuyingchao, Daxing Dist, Beijing, China.

Tel/Fax: +86-3172603822

M/P: +86-18333026788

E-mail: sales@tkkhoist.com

Factory Address: Zhangcun Industry Zone, Shimenqiao Town, Renqiu City, Hebei Province, China

Tel/Fax: +86-317-2603822

Service Hotline
+86-317-2603822

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Crane safety devices

1. The overflow valve in the hydraulic system: inhibits the abnormal high pressure in the circuit to prevent damage to the hydraulic pump and motor and to prevent overload.

2. Boom luffing safety device: when the accident happened, jib luffing cylinder circuit of high pressure hoses or tubing burst or switched off, the hydraulic circuit balancing valves work, locking cylinder work of inferior oil, prevents the boom from falling, so as to ensure the safety of work.

3. Boom telescopic device: when the accident happened, crane telescopic cylinder circuit of high pressure hoses or tubing burst or switched off, the hydraulic circuit balancing valves work, locking cylinder work of inferior oil, Hung goes back on its own, so as to ensure the safety of work.

4. A high limit device: after you hook up to a specified height, touch a weight limit, opening limit switch, "around the" indicator light is on, and cut off the hook lift, boom out, hanging arm volts to move operations and ensure safety. Just manipulate the hook down, boom retracted or the arm lifted (that is, the security operation), handle, weight limit lifted constraints, operations returned to normal. On special occasions, if still need to trace around the operation, press the release button on the instrument box, limited role of disarmament, but must exercise great caution of actions to prevent accidents.

5. Leg lock mechanism: when the accident occurred, leading to the leg vertical cylinder of high pressure hoses or tubing when broken or cut, hydraulic system for bidirectional hydraulic lock can block legs in blocked cylinder two-chamber pressure oil, leg does not shrink or thrown out, so as to ensure that the safety of crane operations.

6. Load indicator: a load indicator is set in the basic arm side (the right side of the control room), the operator sat in the control room can be clearly observed, can accurately indicate the arm angle and the corresponding conditions the rated capacity of the crane to allow.

7. Lifting the attribute table: set controls on the front interior wall panel, this table lists a variety of arm length and various working range of rated lifting capacity and lifting height so that when you check out. When lifting operations, must not exceed the values specified in the table.