1) The crane driver must go through an internship period of more than three months and pass the examination before taking up his post. During the internship, apprentices and interns are forbidden to operate when the driver is away.
2) The bell must ring before the crane starts, and the safety device must be kept intact.
3) The driver must wear insulating shoes when operating, the cab floor must be covered with insulating board, and the electrical equipment shell must be grounded.
4) When there are multiple cranes working on the same track, the buffer distance between them should be not less than 2m for the local train and 3m for the express train. When two cranes are running relatively, they should ring each other's bells and stop in advance to prevent collision.
5) When the crane approaches the end of the track, it should slow down. When the mechanical or electrical equipment is abnormal (such as switch failure, limit failure, cable fire, etc.). ), you should stop for inspection and maintenance.
6) In the following cases, the motor must be cut off for inspection.
(1) When the motor or other starting device smokes or sparks, it is not allowed.
(2) When the motor vibrates violently and threatens the safety of the motor.
(3) In case of personal accident, it is necessary to stop immediately.
(4) When the driven machinery is damaged.
(5) When the bearing has an impermissible high temperature.
(6) When the motor rapidly heats up due to a sharp drop in speed.
7) When the grab descends to the lowest position, the rope stored on the drum shall not be less than three times.
8) When the grab bucket is lifted, the winch and the grab bucket controller should be operated at the same time, and the angles are equal, and all wire ropes are stressed equally. When the grab stops after descending, the main controller should be quickly pulled to zero.
9) When the jaw plate of the grab finally closes, lift the grab slightly to avoid motor overload.
10) When loading a car to grab the road, the driver must obey the command of the attendant.
1 1) Prohibition during crane operation
(1) Cars of all sizes are not allowed to turn sharply or park in reverse.
(2) Don't use grab to pull vehicles and heavy objects.
(3) The grab bucket is not allowed to hit the slag tank.
(4) It is forbidden to use grab to lift large items and drag buried heavy objects.
(5) The grab bucket is not allowed to cross the head or the vehicle.
(6) Any non-working personnel are not allowed to get on or off the bus.
(7) It is forbidden to use the express train to top the local train.
12) When loading, take the overall situation into consideration, and load in full according to the loading standard. It is not allowed to be biased, overweight or overweight.
13) Other prohibited items
(1) It is forbidden to cross from one crane to another.
(2) It is forbidden to walk freely on the operating platform by grab or stand on the grab.
(3) Before the cause of short circuit fault of electrical equipment is found out, it is forbidden to send power by force.
(4) When parking, it is forbidden to get close to the power supply to prevent electric shock.
14) The coupling or transmission gear should have a safety baffle or protective cover, and all motors must have rain covers.
15) Except the driver and related maintenance personnel, no one is allowed to get on the bus without the permission of the leader. When getting on the crane, you must first inform the driver of the safety bell, and pay attention to safety when getting on and off the crane.
16) The driver should stop immediately after hearing the stop bell or seeing the stop gesture, and cut off the power supply.
17) If there is danger of electrical short circuit or electric shock, cut off the power supply immediately and use insulating tools for maintenance. Dry powder fire extinguishers must be used to extinguish electrical fires, and water or foam extinguisher is strictly prohibited.
18) When the driver leaves the cab, he should drive the crane to a fixed parking spot, reset all controller handles to zero, cut off the power supply, and take the operation card before leaving.
19) When getting on the bus for cleaning, maintenance, inspection and repair, stop and cut off the power supply, and put up a "No Closing" sign. It is strictly prohibited to carry out inspection and maintenance work without operation card or live line.
20) When commissioning before or after maintenance, the staff must stand in a safe position on one side of mechanical equipment, especially rotating equipment.
2 1) No objects and tools are allowed to be placed on the car body. The objects should be placed in a fixed place after use, and it is forbidden to store lubricating oil in the cab.
22) When the crane is overhauled, the overhaul crane driver shall notify the adjacent crane driver, and other cranes are prohibited from approaching and colliding.
23) When cracks are found in important parts of bridges and horizontal metal structures (upper and lower chords, diagonal bars, main horizontal and vertical sections, etc.). ), they must be stopped immediately.
24) When replacing the grab rope, there should be a special person to command, the driver should strictly obey the command of the commander, and the lifting personnel should cooperate with each other to prevent mechanical injury.
25) When pulling the wire rope, there should be more than four people. When the aerosol is large, special personnel should be assigned to monitor the moving direction of the crane. Before the replacement operation, the grab should be balanced and the pulley disc should be horizontal. When carrying the wire rope into the car, people under the car should avoid to three meters away.
26) Don't throw things down from the crane.
27) The replaced steel wire rope should be coiled and put in a fixed place.
28) In winter, the accumulated ice and snow on the bridge and hanger escalator should be cleaned in time to prevent slipping.
29) When the car is loaded with slag, it must be confirmed that the driver of the car is far away from the grab before operation.
The above are collected and sorted by Zhong Da Consulting Company.
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