Safe operation of construction elevator?

Pre-work inspection:. 1 Carefully handle handover procedures, and check the filling and recording of mechanical resume and handover record. .2 Check the technical condition of the construction elevator, eliminate the abnormal situation in time, and report it in time when the operator cannot eliminate it. A. check the bolt tightness of each part; B. Check the horizontal and vertical supports, platforms and platform protection doors; C. check whether the structure is deformed or cracked; D. Check the abrasion and fastening of the wire rope and pulley; E. Check the operation of the motor, worm gear box, gear, guide wheel track, rear wheel and big wheel of the transmission system. .3 Check whether the foundation is in good condition, whether there is any sinking phenomenon, and whether the verticality of the guide rail frame meets the requirements of the factory manual. Unless otherwise specified in the manual, the height of 80m shall not be greater than 25mm, and the height of 100m shall not be greater than 35mm. .4 Check and remove the protrusions that hinder the operation of the elevator within the operation range of the elevator. .5 The electrical system shall have good grounding protection or zero connection protection, the grounding resistance shall not be greater than 4Ω, and it shall not be connected with buildings. .6 Check whether the voltage meets the rated standard, that is, 380 V 5%. Matters needing attention in work: 2. When operating the elevator, you should whistle for warning before starting. .2 During the operation of the elevator, the operator shall not do actions that hinder the operation of the elevator, and shall not leave the operation console. They should always listen to the sound, temperature and smell of elevators and foreign obstacles. If there is any abnormality, it should be stopped in time for inspection and treatment, and it can only be operated after troubleshooting. .3 The operator has the responsibility to explain the matters needing attention in taking the elevator to the passengers, and the passengers must obey the instructions of the operator. .4 Overloading and overcrowding are strictly prohibited. When transporting special articles such as molten asphalt, highly toxic substances, strong acids, solutions, bulky items, flammable materials, etc., the technical department must formulate safety measures in conjunction with relevant departments such as safety and maintenance before transporting them. .5 The goods shall be evenly distributed to prevent unbalanced loading, and the materials shall not exceed the ladder cage. .6 When running to the top and bottom, parking with limit is not allowed (except for inspection). .7 Maintenance operation is strictly prohibited during operation. When one cage ladder of a double cage elevator is outside the cage for maintenance, the other cage ladder is not allowed to run. .8 Stop running under the following conditions. 1) Bad weather, such as thunderstorm, gale of magnitude 6 or above, fog, ice on guide rails, etc. 2) The lighting is unknown and the signal is unclear. 3) Mechanical failure has not been completely eliminated. 4) The broken wire of steel wire rope exceeds the specified value. Matters needing attention after work:. 1 Check, adjust, tighten and lubricate according to the maintenance regulations, and clean the ladder cage and surrounding environment. .2 Lower the ladder cage to the bottom, cut off the power supply, patrol around, and lock the doors, windows and switch box before leaving the ladder cage for work. For information about construction enterprises, award-winning achievements, builders under construction, enterprise honors, industrial and commercial information, legal proceedings, etc., please visit Zhong Da Consulting, Construction Link or follow the official account of Zhong Da Consulting WeChat for inquiry.

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