What Is an Electric Wire Rope Hoist?

Wire rope electric hoist is a small lifting equipment. Wire rope electric hoist has the advantages of compact structure, light weight, small size, strong generality of parts, and easy operation. Used on electric or manual single beam, double beam, cantilever, gantry cranes. The motor generally uses a cone motor, and the brake is automatically locked after stopping. The corresponding steel wire rope includes a phosphate coated steel wire rope, a galvanized steel wire rope and a smooth steel wire rope.

Electric wire rope hoist

Wire rope electric hoist is a small lifting equipment. Wire rope electric hoist has the advantages of compact structure, light weight, small size, strong generality of parts, and easy operation. It can be installed on I-beams alone or can be installed as a set. Used on electric or manual single beam, double beam, cantilever, gantry cranes. The motor generally uses a cone motor, and the brake is automatically locked after stopping.

Electric wire rope hoist belongs to special

It is mainly used for various lifting, pulling, loading and unloading heavy objects, oil tank flip welding, such as the installation and movement of various large and medium-sized concrete, steel structures and mechanical equipment. It is suitable for civil engineering works and bridges of construction and installation companies, factories and mines. Mechanical equipment for construction, power, shipbuilding, automobile manufacturing, construction, highways, bridges, metallurgy, mines, slope tunnels, wellway protection and other infrastructure projects.

The tonnage of wire rope electric hoist is 0.5T / 1T / 2T / 3T / 5T / 10T / 16T / 20T, and its standard wire rope meters are 6M / 9M / 12M / 18M / 24M / 30M. It is also divided into CD1 (single-speed type) and MD1 (two-speed type),

The following are the operating speeds of electric wire rope hoists:

0.5T-5T 10T 16T-20T

Single speed: 8M / MIN Single speed: 7M / MIN Single speed: 3.5M / MIN

Double speed: 8M / MIN, 0.8M / MIN, double speed: 7M / MIN, 0.7M / MIN double speed: 3.5M / MIN, 0.35M / MIN

The components of wire rope electric hoist are: motor, transmission mechanism, drum and

The wire rope hoist consists of:

1.

In the daily inspection, monthly inspection and annual inspection, all those that do not meet the requirements shall be repaired, adjusted or replaced immediately. Maintenance should meet the following requirements:

1. For the first installation or reassembly of the wire rope electric hoist, the no-load operation should be performed first, but make sure that the components are installed and not powered.
2. Before normal use, a static load test of 125% of the rated load and a lifting distance of about 100 mm from the ground should be performed for 10 minutes and checked for normality.
3. The dynamic load test is based on the rated load weight, repeated lifting and left-right movement tests. After the test, check whether the mechanical transmission part, electrical parts and connection parts are normal and reliable.
4. In use, it is absolutely forbidden to use in the environment that is not allowed, and under the rated load and the rated closing times per hour (120 times).
5. During installation, debugging and maintenance, it must be strictly checked whether the limit device is flexible and reliable. When the hook is raised to the upper limit position, the distance between the hook shell and the drum shell must be greater than 50mm (10t, 16t, 20t must be greater than 120mm). When the hook is lowered to the lower limit position, the wire rope safety ring on the drum should be guaranteed. The effective safety ring must be more than 2 turns.
6. It is not allowed to press two flashlight button buttons that make the electric hoist move in opposite directions at the same time.
7. After the work is completed, the main gate of the power supply must be opened to cut off the power supply.
8. The electric hoist should be operated by a special person. The operator should fully grasp the safety operation regulations.
9. In use, the electric hoist must be checked regularly by specialized personnel, and measures should be taken in time to find faults, and carefully recorded.
10. When adjusting the brake slip of the electric hoist, ensure that the brake slip S V / 100 under the rated load (V is the distance for stable lifting within the next minute of the load).
11. Scrap standards for wire ropes: Inspection and scrap standards for wire ropes are implemented in accordance with CB / T5972-1986 "Practical Code for Inspection and Scrap of Wire Ropes for Lifting Machinery".
12. In the use of electric hoist, it is necessary to keep sufficient lubricant, and keep the lubricant clean. It should not contain impurities and dirt.
13. Hard wire brushes or small pieces of wood should be used when oiling wire ropes. It is strictly forbidden to directly oil the wire ropes at work by hand.
14. When the electric hoist is not working, it is not allowed to suspend heavy objects in the air to prevent permanent deformation of the parts.
15. During use, if a failure is found, the main power should be cut off immediately.
16. Pay special attention to the wearing parts during use.
17. After 10 to 20 tons of hoist is continuously operated for a long time, the power may be cut off automatically. This belongs to the motor's overheat protection function. At this time, it can be lowered. After a period of time, the motor can continue to work after it has cooled down.
18. Use and management shall be implemented in accordance with Article 4 of JB9009-1999 "Safety Regulations for Electric Wire Rope Hoists".
19. Inspection and maintenance shall be performed in accordance with Article 5 of JB9009-1999 "Safety Regulations for Wire Rope Electric Hoist".