What is a tower crane management system?

Rule number one Each tower crane should be equipped with corresponding drivers, bell men and corresponding hook workers according to the needs of engineering construction, in which the tower crane drivers have been engaged in this type of work for not less than 2 years, and the bell men have been engaged in this type of work for not less than 1 year. The above-mentioned personnel should be kept relatively fixed, and they should be reported to the project power group for registration and filing after entering the site, participate in training, and can only take up their posts after passing the examination; Tower crane drivers and signalmen shall hold qualified and valid certificates, and unlicensed personnel shall not engage in tower crane driving and signal command.

Rule number two Tower crane drivers, bell men and hook workers must conscientiously implement the rules and regulations of the project, operate in strict accordance with the safety operation procedures, safety technical disclosure and tower assembly operation plan, observe labor discipline, put an end to illegal operation and refuse illegal command.

Rule three. Tower crane drivers, bell men and hook workers are strictly forbidden to work after drinking, and should arrange shifts reasonably to avoid fatigue work.

Article 4? During tower crane operation, the principle of "ten don't lift" should be strictly observed:

1, the hoisted object is beyond the allowable range of mechanical properties of this machine, so it is not hoisted.

Before operation, the bell man should select slings with corresponding thickness and length according to the lifting materials. The weight of the hoisted objects shall not exceed the maximum safe load of slings such as wire ropes and shackles, the maximum lifting weight of tower cranes or the corresponding lifting weights in different ranges, but heavy wire ropes shall not be used to lift light objects to avoid them falling off the ropes.

2. The weight of the hoisted object is unknown or it is not hoisted due to overload.

2. 1 It is forbidden to use tower cranes to pull machines and materials stuck in steel bars or concrete;

2.2 The formwork that has been poured at the site and has not been completely dismantled must be pried open before hoisting.

3, the light can't be seen clearly.

Sufficient lighting shall be ensured for tower crane operation, and crane operation shall not be carried out when the light in the operation area is dark.

4, the command signal is not clear.

4. 1 tower division and signalman should strengthen communication, and the language should be clear, concise and clear; Pronunciation should be as standard as possible and intonation should be as peaceful as possible;

4.2 All signal commanders should use walkie-talkies. Once the frequency is unified, it is necessary to lock the frequency and not to change it at will. If other signals are connected in series, report to the project power group immediately, and conduct unified frequency modulation after negotiation;

4.3 In order to avoid interference between tower cranes or other signals, the signalman should first indicate the tower crane number when sending signals (for example, the instruction "1 # tower, hook" should be given when commanding the lifting of the hook).

5. Loose objects have no containers, loose objects are not firmly bound, or materials are not lifted when loading.

5. 1 Long and short steel bars or steel pipes cannot be mixed; When lifting long steel bars, the steel bars between lifting points cannot be downward curved;

5.2 Pay attention to the binding of long and large materials; The lifting hopper (including empty hopper) shall be lifted by four ropes;

Scattered objects such as steel pipes, steel bars, hooks, stirrups and fasteners below 5.3 1.5m shall be stored in the hopper, and the stacking height of materials shall not exceed the edge of the hopper;

5.4 Air compressors, electric welding machines, gas cylinders, etc. Hoisting cage should be used for hoisting; Oxygen cylinder and acetylene cylinder must be hoisted separately;

5.5 When lifting waste wood Fang, foam, plastic and other garbage, it should be covered with dense mesh to prevent the garbage from flying out of the hopper.

6. There are people who stand on the hanger and people who don't hang under the hanger.

6. 1 It is forbidden to use tower crane to lift people;

6.2 In the process of lifting and lowering the hook, the bell man should clear the personnel in the dangerous area around and below the hanging object before operation;

7. The spreader is not in conformity with the regulations, and the heavy edge is sharp without protective measures.

7. 1 Before operation (especially after long-term suspension and reuse), the bell man shall inspect all wire ropes, rigging and hoppers below the hook, and replace or repair them in time when problems are found;

7.2 The hook of bucket should be made of first-class steel welding or steel plate;

8. Oblique hanging, cable-stayed and buried objects are not hung.

8. 1 exceeds the lifting range of the tower crane or the heavy objects covered on it. It is forbidden to use tower crane to hang and stay;

8.2 It is forbidden to lift heavy objects buried or condensed underground, and all heavy objects must be pried open before lifting.

9, more than six winds don't hang.

9. 1 Stop the operation in case of gale, heavy snow and fog above level 6;

9.2 Large formwork shall not be hoisted above Grade 4 (including Grade 4).

10, mechanical safety device failure or work in spite of the crane.

10. 1 the tower company shall inspect the equipment (foundation, steel structure of the tower, connecting pins, anchoring devices, working mechanisms, stops and brakes, etc.). ) Regular maintenance and timely maintenance are required to improve the equipment integrity rate and avoid sudden failures and hidden dangers; Once the equipment fails, Tasman must report it for maintenance in time and notify the project power group. It is forbidden to let the equipment work in spite of illness.

10.2 after installation and maintenance, the tower master shall clean up the sundries on the balance arm in time, put away the required items and take reliable fixing measures;

10.3 It is forbidden to replace the operating mechanism with limiters and limiting devices, or to close the torque limiter for illegal lifting.

Article 5? If there are dense tower cranes on site, the boom should run at a low speed during operation, and it is not allowed to rush in and out when working in the vicinity of tower cranes, so the command should be unified and coordinated.

Article 6? Before operation, tower operators and signalmen should be familiar with whether the working environment has changed from the past, and pay attention to the high-voltage lines and warning signs within the working scope. After the hanging object is close to the high-voltage wire fence, it is not allowed to forcibly operate other piles or operating frames. Pay attention to keeping a safe distance of 1 ~ 3m to prevent the hanging object from shaking and colliding with the fence, operating frame and other objects.

Article 7? Before lifting the hook, the bell man must carefully check the lifting object, and make sure that the lifting object is firmly tied and the lifting point is reasonable and reliable. Only lifting objects or non-lifting objects such as steel wire rope and steel pipe rack without adhesive tape can be lifted.

Article 8? The tower should operate according to the command signal of the bell man, and send out a signal with an electric bell before the operation to attract the attention of relevant personnel; During the lifting process, the bell man should control the whole process from lifting to putting in place, and must not take it lightly or leave without authorization after giving a signal.

Article 9? When the lifting object is in place, it shall not be placed in the safe passage, the area within 3m of the edge of the foundation pit, the beams that have not been poured to reach the strength, and the parts that have not been specially reinforced, such as the operating platform, operating frame and outer frame. Wooden square mats should be used to stabilize the lifting objects below. The falling objects shall be packed neatly, and the height shall not exceed 1.5m, and collapse prevention measures shall be taken.

Article 10? The signalman shall command within 5m of the hook and the lifting position of the hook, and shall not "remotely" command from a height or a distance; After hooking and unhooking, the bell man must carefully check to ensure safety before commanding lifting.

Article 11? Generally, two wire ropes are used for balanced lifting, and the included angle should be between 45 and 90, and the best angle is 60. It is not allowed to shorten the wire rope at will to increase the included angle and increase the stress of the sling because the tower crane is not high enough and the wire rope is not long enough.

Article 12? Crane operators should pay attention to the following items:

1. Rope threading: determine the center of gravity of the hoisted object and select the position of the hoisted rope. When using the snap ring, lateral force is prohibited. The rope should be put on with an iron hook, and the arm should not reach under the hanging object. When lifting a hanging object with hard edges and corners or easy to slide, it is necessary to add pads and use lassos;

2. Rope hanging: Ropes shall be hung in sequence, and shall not be squeezed, crossed, kinked or twisted during rope hanging. Generally, suspension can be used, and the balance of the suspension must be protected; For goods that are easy to roll, slip or be too long, rope method should be adopted and the hanging rope should be locked with a snap ring;

3. Trial hoisting: the lifting rope should be hung firmly, and the crane should be lifted slowly. The lifting rope should be tightened for a while, and the lifting should not be too high; When lifting objects 20 ~ 50 cm above the ground, pay attention to stop and check: (1) stability of crane (2) reliability of brake (3) firmness of binding; During trial hoisting, the command bell man, hook man and driver must be coordinated. When it is found that the center of gravity of the hoisted object is deviated or attached to other objects, the lifting must be stopped immediately and measures must be taken to ensure safety before lifting;

4. Rope release: The rope can only be released after falling, stopping and supporting. For hangers that are easy to roll, slide and disperse, use safety hooks to remove ropes. The hook shall not stand on the hanger. If it is difficult to dismantle the rope manually, other tools should be selected for assistance, and it is forbidden to climb the lifting objects and ropes;

5. Pull the rope: After the weight is in place, put a wooden Fang on it, and then slowly pull out the rope by hand. It is not allowed to pull the rope obliquely or forcibly, and it is not allowed to turn the derrick. Crane rope shall not be used for lifting fragile, rolling and falling objects.

Article 13 the template hoisting matters needing attention:

1, small steel formwork must be placed neatly according to classification code specifications before hoisting, and it is not allowed to be mixed with different lengths; Small steel formwork with length less than 1.2m must be installed in the hopper before lifting; Assemble steel formwork, wooden formwork, welded reinforcing cage, etc. All assembled slings and hoists must be inspected by the project safety and power group before they can be put into hoisting operation.

2, lifting big template can't hard pull hard drag, with shackle rings lock rear can carry on the lifting operation;

3, when lifting the template, strictly pay attention to the surrounding environment, to ensure that the template and hook workers and other people around keep a safe distance, template to support when landing, to prevent the template capsized cuts;

4. When lifting objects (especially large formwork), an emergency hanging object that can land at any time should be prepared in advance;

5. When assembling boards and steel formwork for hoisting, reasonable hoisting points must be selected. If there is no suitable lifting point, the lifting point should be processed and double-sided hooks should be used. It is forbidden to directly fix the wire rope or shackle on the supporting wooden Fang in the formwork, and it is forbidden to lift the wooden formwork with a single hook.

6. For hanging objects such as templates with unknown weight, blind lifting is strictly prohibited. Its external dimensions can be measured, and its total weight can be estimated according to the density of the material. When the estimated weight is close to the rated lifting weight under the corresponding amplitude, the trial hoisting should be carried out first, and then the formal hoisting should be carried out. At the beginning of trial hoisting, lift the heavy object about 20 cm off the ground and stay for about 3 minutes. If no abnormal phenomenon is found, the brake works reliably, and the heavy object can fall and be transferred to the formal lifting operation.

Article 14 When the hoisted object must pass through roads, offices, canteens and other crowded areas or enter other people's construction sites, the hook should be collected to the site before turning, and it is strictly forbidden for the hoisted object to run from the above areas.

Fifteenth Tass news agency work, should wear company clothing, wearing a blue helmet and badge; The signalman should wear safety warning clothing, blue helmet and badge. The badge shall indicate the name, tower crane number, company name, type of work, copy of operation certificate and other related contents.

Article 16 Red flags and safety warning lights should be installed at the top of tower crane, the front end of boom and the tail of balance arm, and the safety warning lights should be turned on at night.

Article 17? After heavy rain, windy weather and long-term outage, the company should cooperate with the leasing unit to organize relevant personnel to conduct a comprehensive inspection of the tower crane, eliminate potential safety hazards and electromechanical failures (especially frequent failures) of the equipment, and do a good job in equipment maintenance to ensure the safe and efficient operation of the tower crane after reuse.

Article 18? Tower division and bell man should enter their posts with abundant energy, concentrate on operation, always observe the hook and boom of this tower crane, and pay attention to the working state of adjacent tower cranes during operation, so that the signals are strict and accurate. During the homework, you are not allowed to chat with other people, play mobile phones or do actions and things unrelated to work.

Article 19: Two qualified and effective dry powder fire extinguishers shall be equipped in the cab and the balance arm distribution box respectively. Open flame is strictly prohibited on the tower crane, cigarette butts and ash should be packed in containers, and no littering is allowed. Keep the environmental sanitation of tower crane. Urine should be packed in containers and sundries should be packed in plastic bags. Take them off the tower and throw them into the dustbin to avoid polluting the environment. When leaving the tower crane, the tower crane should turn off the heating equipment, cut off the power supply of the tower crane, and keep the walkie-talkie and other items well.

Article 20? Taser should actively and enthusiastically cooperate with the project construction, and must not make things difficult for no reason. It is forbidden to be lazy, eat and get cards, provide 24-hour service, have meals in shifts, and do not leave the post. The tower crane team shall fill in the handover and operation records in time, and submit the project power group for the record at the end of the month. The bell man should stick to his post, and when he needs to leave his post, he shall not give the walkie-talkie to an unlicensed person for command.

Article 21? After completion or when there is no work for a long time, Tasman should collect the trolley to the highest part of the boom root to make room for the safe operation of other tower cranes, adjust the boom to the downwind state and open the wind vane.

Article 22? Tower division and bell man must strictly abide by national laws and regulations, it is forbidden to use tower cranes to steal materials from the construction site, and should actively report and stop others from stealing.

Article 23? The project power group organizes all tower crane drivers and tower crane signalmen to hold regular safety meetings every half month, and conduct safety technical disclosure every month, and all personnel must attend on time; If you can't attend the meeting due to on-site needs, you should ask for leave in advance, and the monitor will convey the spirit of the meeting after the meeting.

Article 24-5? The project power group shall formulate corresponding reward and punishment system according to the site conditions, and punish those responsible for the accident due to violation of regulations or improper operation in strict accordance with the relevant system of the project according to the severity of the accident.

Langfang bosheng construction engineering co., ltd