品名

河南省启源重型机械设备有限公司旗下河南起重机械中的龙门起重机（gantry crane）是水平桥架设置在两条支腿上构成门架形状的一种桥架型起重机。河南省启源重型机械设备有限公司为客户提供各种吨位的龙门起重机，这种起重机在地面轨道上运行，主要用在露天贮料场、船坞、电站、港口和铁路货站等地进行搬运和安装作业。

注意事项

8、钢丝绳严重磨损出现断股及有人在起重机上或机房进行检修。

Of the goods

Gantry crane (gantry crane) is the level of bridge is set in two forms door frame in the shape of a leg of a bridge type crane. This kind of crane in orbit on the ground, mainly used in outdoor storage yard, dock, station, port and railway station, handling and installation operations.

Matters needing attention

1, when lifting heavy objects, hook wire rope should be kept vertical, are not allowed to be inclined dragging suspended objects. 2, the hanging weight should get the center of gravity, and securely. Have acute applications stow-wood pad is good.

3, before the weight not hanging off the ground, crane shall not do rotary motion.

Four, ascending, or lower weight, and speed is steady, avoid rapid changes in speed, causing heavy swing in the air, produce risk. Falling weight, velocity shoulds not be too fast, lest broke when landing weight.

5, in the case of hoisting crane, avoid lift arm rod. Must be in the case of hoisting lift arm lever, lifting weight shall not exceed 50% of the weight.

6, in the case of hoisting crane slewing, should pay close attention to the surrounding obstacles, if there are obstacles should try to avoid or clear.

7, can not have staff under the crane arm, and try to avoid personnel through.

8, two crane operation on the same track, the distance between the two machines should be greater than 3 m.

9, two crane lifting an object, the weight must not exceed 75% of the total lifting weight, two two crane go line, sling the action should be consistent.

10, hoisting, luffing wire rope need to check once a week, and make records, specific requirements in accordance with the relevant regulations of the hoisting wire rope.

11, empty row or rotary hook to more than 2 m off the ground.

12, wind more than 6, should immediately stop working. TMK arm should be transferred to the wind and appropriately low, hanging hook. Gantry crane must play iron wedge (check rail), the hook and reach the ceiling. Shut the doors and Windows at the same time, cut off power supply, pull the cable wind rope. After work at ordinary times should be for.

13, crane platform are strictly prohibited to pile up miscellaneous things, to prevent falls off cuts in operating, and often use tools should be put inside operation of special tools in the box.

14 and run, not suddenly change or go against the trend, lest cause the weight of swing in the air, also are not allowed to be at the same time to start the two items of operating mechanism (including vice hook).

15, when driving, the hand of the operator shall not be allowed to leave the controller, a sudden failure in operation, measures should be taken to the heavy land safely, and then cut off power supply, repair. It is strictly prohibited in the operation of repair and maintenance.

16, lifting opportunities are one of the following circumstances shall not be lifting

1, the weight more than crane rated lifting weight.

2, heavy weights are unknown.

3, the signal is unknown.

4, heavy strapping not firm.

5, open-air homework in level 6 (5) on the beam above high winds and heavy rain, fog and other bad weather.

6, night lighting is bad.

7, suspension.

8, serious wear a broken wire rope and someone on the crane or room for maintenance.