Article 2: The crane driver must hold a special type of operation certificate before he can operate independently according to the specified model.
Article 3: Hoisting machinery under any of the following circumstances shall not be used.
1, the wire rope meets the scrapping standard.
2, hook, pulley, drum to scrap standards.
1, the braking torque of the brake cannot stop the rated load.
2. The limit switch is invalid.
3. The main stress parts are cracked and welded.
4. The elastic deformation or permanent deformation of the main girder exceeds the repair limit.
5. The wheel is cracked, broken, severely gnawing on the rail or "three legs".
6. The electrical zero protection connection is invalid or the insulation cannot reach the specified value.
7. The temperature rise of the motor exceeds the specified value.
10, rotor and resistor are open in one phase.
1 1, there is someone in the car (except when the designated person directs the inspection and maintenance).
12, open-pit crane when the wind reaches level 6 and above.
13, newly installed, refitted, overhauled, unqualified.
14. The terminal stop of the track moving beam is loose, broken, broken and invalid.
Article 4: Operating procedures of general bridge crane:
1, no drinking before going to work.
2. Irrelevant personnel are not allowed to get on the bus.
3. Check whether the mechanical, electrical and safety devices are in good condition before driving; There is no collision, jamming and hanging on the car; Make sure everything is normal, sound the alarm, and then send electricity for trial operation.
1. In the process of inspection and debugging, if one of the circumstances specified in Article 3 is found, it shall be stopped immediately.
2, the operation must be focused, and work closely with the following personnel. Smoking, eating and talking with others are not allowed during the operation.
3. Strictly carry out' ten don't hang' in operation:
(1) Do not hoist when the load exceeds the rated load.
② The command signal is unknown; Unknown weight; The light is dim.
(3) The slings and accessories are not firmly bound and do not meet the safety requirements.
(4) Direct processing when lifting heavy objects without lifting.
⑤ Stay and hang, but don't hang.
6. Stand on the workpiece or float live animals without hanging.
⑦ Do not hang inflammable and explosive articles.
⑧ Don't lift anything with sharp edges and corners that is not padded.
Pet-name ruby buried items don't hang.
Attending cadres command not in violation of regulations.
4, the operation should always be stable, stable, stable. When building a car or approaching people nearby, you must sound the alarm in time.
5, lifting objects adhere to the "three don't cross":
(1) Don't cross over from the head;
(2) Don't cross from cars and locomotives;
(3) Don't cross the equipment;
6. In the process of operation, anyone who gives a stop signal should stop immediately.
10, take the turn, swim the turn and spin around in a safe place.
1 1, when lifting heavy objects, the distance from the ground shall not exceed 0. 5 meters.
12, when the lifting is close to the rated load, it should be lifted to 100 mm and stopped, and the braking capacity should be checked.
.
13. During lifting, it is not allowed to operate three mechanisms (i.e. cart, trolley and winch) at the same time.
Cannot act at the same time).
14, reversing is not allowed under normal circumstances.
15, it is forbidden to use two cranes with different lifting weights to lift a thing. There are two kinds of lifting capacity.
When an identical crane * * * lifts an object, two cranes should be kept vertical.
Measures, the sum of the weight of the hoisted object plus the weight of the spreader shall not exceed the lifting capacity of two cranes.
80% of the total And must be commanded by the chief engineer or his designated person at the scene before lifting.
16. When getting on and off, you need to go through the ladder platform. Don't climb from one car to another. no
Walk along the runway.
17, live animals or other items are not allowed to be stacked on the car, and tools should be fixed.
18. When there are more than two cranes on the same span track, it is forbidden to push the carts towards each other.
19. When the hook is running with no load, it should be lifted to the height of more than one person.
20, open-air operation of the crane should be fixed.
2 1. When handling faults or leaving the vehicle, the controller must be placed in the "0" position and the power supply must be cut off. no
It is forbidden to leave the car by hanging heavy objects. Park the car at one end of the cab after work and raise the hook to the specified height.
Height.
22, fill in the succession records, especially the unsafe factors must be clear.
Article 5: Operating procedures of electric beam crane and electric hoist:
Before 1. operation, the following work must be completed:
(1) Ask the successor or refer to the handover record to understand the equipment status.
(2) Check the limit switch and braking torque of the winch field in detail.
(3) Check the wire rope, hook, spreader and electrical parts.
(4) Observe whether there is anything that may fall from the car, whether the fasteners are loose, and try empty.
Cars.
2, in the operation to do:
(1) The wire rope must be wound correctly, and the disorderly winding phenomenon out of the groove should be lowered and straightened in time.
Then lift it.
(2) When lifting objects, it is forbidden to cross from the nose, locomotive, locomotive and equipment.
(3) The lifting operation should be smooth without shaking.
(4) Push-pull collision is not allowed when there are more than two cranes on the same crossing track.
(5) Stop the machine when one of the third cases is found.
3. When leaving the workplace, put down the hanger, raise the hook to the specified height, and cut off the power supply.
Article 6: The electric sports car with cab shall be operated by bridge crane and electric hoist.
In addition to these provisions, the following provisions shall also be implemented:
1, start the running gear, and check whether the switch (fork) is turned on first.
You can't drive at full speed on the curve.
Article 7: In addition to the provisions of Article 4, the special crown block shall also implement the following provisions:
1, operation of lifting molten metal, liquid scum and casting crown block;
(1) Before lifting, it is necessary to pay attention to whether the retaining ring will be fastened by the lifting device.
(2) Lift the metal package to a height within 100 mm from the ground to test the reliability of the brake.
.
(3) The distance between the liquid in the bag and the edge of the bag shall not be less than 100 mm. ..
(4) The crown block shall not be parked at the position where steel slag is poured.
(5) It is forbidden to pull' solidified metal' with the crown block.
(6) When lifting the metal package, it is not allowed to pass through inflammable and explosive materials, ice and water.
(7) In case of package leakage, sound the alarm, find a safe place to put it down and run.
The distance between the metal package and the ground shall not be greater than 0. 5 meters.
(8) When lifting, pay attention to the action of the auxiliary hook, and do not allow the wire rope to collide with the metal package.
Contact.
(9) When the car moves on the same day, attention should be paid to avoid the hanging objects on the hook and metal bag falling to the ground. number
Permission to cross the equipment.
(10) When dumping liquid metal or scum, it should be balanced and uniform to avoid splashing on the job site.
(1 1) If liquid metal cannot be poured out due to scum, do not turn the metal ladle over again.
2, electric disc and grab crane operation:
(1) When the lifting panel is working, the heavy objects can only move within the specified route.
(2) When lifting the panel, always pay attention to the voltage change and whether there is a sudden drop.
When falling or exceeding the specified value, stop the vehicle for inspection.
(3) The hoisting wire rope and cable shall be correctly wound on the drum.
(4) The lifting panel is not allowed to be unloaded by ultra-high demagnetization, and it is not allowed to be charged when it is not pulled in.
(5) The electric panel is not allowed to work outside JC system.
(6) When the grab is working, in order to avoid falling objects, the grab should be closed tightly and not shaken.
(7) When the grab is not completely closed, lift the grab slightly before closing to prevent overload.
(8) When the grab bucket is lifted, the load should be evenly transferred to each wire rope.
(9) Before the grab works, all institutions need to idle for a short time to see if it is normal.
(10) The electromagnetic grab shall not absorb or grab fixed objects. Hanging, unloading and breaking are not allowed. It is not allowed to grasp hard objects with irregular shapes.
(1 1) The sum of the weight of grab and disc and the weight of heavy objects shall not exceed the rated lifting weight of the crown block.
(12) When it is not working, the disk surface and grab bucket should land.
3. Improve the blank crown block:
① Be sure to bind, clamp and fasten when lifting.
(2) When the blank is sent into or taken out of the furnace, it is not allowed to touch the furnace mouth and other items.
(3) Clamps or other devices are not allowed to clamp blanks in the furnace.
Article 8: Crane drivers must carry out shift inspection when they shift, and record the inspection and operation of each shift in detail. The contents of class inspection include:
1, the audio signal is large.
2, the controller contact should be in good contact, to ensure the normal speed regulation.
1, each brake must be flexible and reliable (especially the lifting mechanism).
2. The coupling on the tapered shaft is not allowed to be loose.
3. The buffers of large and small cars are complete and reliable.
4. The collector bracket and flexible cord are not allowed to hang, get stuck, collide or separate.
5. All safety switches must be complete, flexible and reliable (especially the hoisting mechanism).
6, big, car tracks are not allowed to have obstacles.
7, motor carbon brush, slip ring must be smooth, good contact, normal speed regulation.
10, the fastening and winding of wire rope must be correct, and its damage shall not exceed the scrapping standard.
1 1, the hook and pulley can rotate flexibly, cracks and cracks are not allowed, and the locking nut must be reliable.
12, no-load test run, to ensure safety and reliability, before work.
This is just a rough idea. If you want to study, buy your own books or sign up for study. I found the above answer in the "Operation Rules for Cranes"! I hope it helps you!