What are the contents of the dual-purpose safety inspection of external construction elevators?

1 Foundation and fence foundation have no water accumulation and uneven settlement.

2 The ground fence should be firmly connected without inclination and damage.

3. The electromechanical safety interlocking devices of the access door and the outer cage door are complete, intact and effective.

4 The outer cage door is free from deformation and damage, and it should not be derailed when switching. Opening and closing should be light and flexible.

5 hanging cage The guardrail at the top of the hanging cage is complete and intact.

6 The safety exit at the top of the hanging cage is open and closed normally, and the electrical safety interlock device is complete and effective.

7 The single door and double door of the hanging cage are intact, and should not be derailed when opening and closing. The opening and closing shall be light and flexible, and the electromechanical safety interlock device shall be complete and effective.

The top and bottom plates of the hanging cage are intact.

9 alarm bells and lighting facilities in the hanging cage are complete.

10 The wire rope and pulley are worn normally.

1 1 The hanging cage shall be equipped with a fire extinguisher and shall be within the validity period.

12 Keep a safe gap between the hanging cage and the floor passage.

13 the safety hook hanging cage of the safety device and the safety hook of the transmission mechanism are firmly fixed without parts and deformation.

14 limit switches The elevator upper and lower limit switches are complete and effective, and can be automatically reset.

15 block and iron block are firmly fixed.

16 limit switches The upper and lower limit switches of the elevator are complete and effective, and automatic reset is not allowed.

17 the stopper and the iron block are firmly fixed.

18 emergency stop switch The emergency stop switch on the cage console (including the portable control box) must be complete and effective, and automatic reset is not allowed.

19 the safety device of the safety device shall be used within the effective verification period, which shall not exceed 1 year; The service life of the safety device is 5 years, and it should be scrapped after expiration.

20 Buffer spring The buffer spring at the bottom of the suspension cage is complete and correctly placed.

2 1 overload device The overload device of the hanging cage shall be complete and intact.

When the car exceeds the rated load, the overload device should be able to operate and the elevator should stop running.

23 when the cage top control box of the electrical system is used, the operating device of the console in the cage should not work.

24 Instruments, meters and operating devices Instruments, meters, operating devices and electric locks shall be in good condition and function normally; When controlling, the movement direction of the mechanism should be consistent with the direction indicated by the handle arrow; The operating handle should be able to reset automatically.

25 cable main cable without aging, damage and distortion; Cables in the hanging cage should be protected through pipes and tied firmly.

The rated voltage of 26 voltage power supply is 380V 10.

27 insulation resistance insulation resistance to ground should not be less than 0.5MΩ.

28 grounding resistance The metal shell of elevator structure, motor and electrical equipment shall be grounded, and the grounding resistance shall not be greater than 4Ω.

29 distribution box distribution box door lock is complete, wiring diagram, operating instructions and warning signs are clear. Electrical protection shall be provided with leakage protection, short circuit protection, voltage loss protection, wrong phase protection, open phase protection, zero position protection and overload protection, and shall be reliable and effective.

3 1 The gears, racks and racks of the transmission system are firmly fixed, and the contact surface is free from pitting and peeling, and the wear is normal; The meshing clearance between the gear and the rack is not more than 0.5 mm, and there is no deviation.

The gearbox case has no visible cracks, damage and other abnormal phenomena, and is firmly fixed, operating normally and without oil leakage; Oil cup and oil cup cover are complete.

33 waist roller waist roller is firmly fixed, and the wear is normal, and the gap with the guide rail frame is not more than 0.5 mm.

34 backrest wheel The backrest wheel is firmly fixed, with normal wear, and the clearance with the frame is not more than 0.5mm..

35 Lubricating gear oil The gear oil in the gearbox is normal and the oil quality meets the requirements.

The grease of gears, racks and guide rails meets the requirements and is well lubricated.

37 Brake Each brake should be able to act synchronously, and the brake should be sensitive and reliable.

Wear of brake pads shall not exceed 50% of the original thickness.

The specifications and models of structural standard section and connecting guide rail frame meet the requirements, and the metal structure has no deformation and cracks.

40 The independent height of the guide rail frame is not allowed to exceed 7.5m

4 1 Wall-attached frame The metal structure of the wall-attached frame should be intact and fixed firmly and reliably.

42. The distance between frames with attached walls shall not exceed10.5m.

43 connectors The connectors are firmly connected, and the bolts and pins should meet the requirements. Substitution and substitution are prohibited.

A landing door should be set at the berth of the 44th floor, and the landing door should not protrude to the lifting channel of the cage.

The 45th floor door should be intact, and the floor number of the floor door should be clear and correct.

The stop device of the 46th floor door is complete, the effective floor door is closed as required, and the bolt is inserted in place.

47 verticality deviation of guide rail frame The verticality deviation of guide rail frame should not be greater than11000 of the erection height of guide rail frame.

48. Clean the top of the hanging cage, the cage body and transmission mechanism are free of garbage and oil pollution, and the cage bottom and ground platform are free of garbage.

49 according to the provisions, completes the handover records and operation records, keep the notebook clean, no pages, no damage.

No-load operation is flexible and stable, starting and braking are normal, and there is no abnormal sound.

5 1 Seven Towers