Top safety Electric Wire Rope Hoist

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1.Introduction

CD1,MD1 model wire rope electric hoist is a kind of light type lifting equipment. It could be installed on single girder crane with hoist, overhead,gantry and jib crane. Modified could be used as a winch. So it is a commonly used lifting equipment in factory, mine, port, warehouse, cargo yard, shop etc, is a nessesary equipment to improve working efficiency and labor conditions.

The lifting speed of CD1 model electric hoist is common speed, it could satisfy common use requirements, MD1 model electric hoist operates two lifting speeds----common speed and slow speed. When working at slow speed, it could satisfy precise loading and unloading, sand box moulding, machine tool inspection and other precise working requirements. So the use MD1 electric hoist would be much wider then CD1 hoist.

It is equiped with compact structure, convenient adjustment, small volumn, light weight, heavy gravity, easy operation etc.

2.Sketch

3.Technical parameter

Model				CD1 MD1(380V, 50Hz, 3p)
Capacity			t	5										10
Lift height			m	6	9		12		18		24		30	6	9		12		18		24		30
Lift speed			m/min	8, 0.8/8										8, 0.8/8
Travel speed			m/min	20										20
Wire rope	nominal diameter		mm	14										14
	Structure			6×37+NF										6×37+NF
	Intensity grade		MPa	1770										1770
Traveling track GB/T706-1988				28a~63c										28a~63c
Min curvature radius			m	2.5		3		4		5		2.5		3.5		4		6		7.5		9
Hoist moto		Model		ZD1 41-4 ZDS1 0.8/7.5										ZD1 51-6 ZDS1 1.5/13
		Power	KW	7.5, 0.8/7.5										13,1.5/13
		Rpm	r/min	1380										930
Trolley motor		Model		ZDM1 12-4F1										ZDM1 12-4F1
		Power	KG	0.5										0.5×2
		Rpm	r/min	1380										1380
Bonding times			T/H	120										120
Work duty				M3										M3

Q: What are the basic functions and main types of crane weight limiters?: The weight limiter and the lifting torque limiter are collectively known as overload protection devices. Overload operation is one of the main causes of crane accidents. The heavy person caused the major accident that broke the beam, the inverted tower, the folding arm, the whole machine capsized.

Q: How many tons of cranes must be installed torque limiters?: When the actual payload is 90% of the rated load, the display "normal" lights are on; When the actual load reaches 90% of the rated load, the display "90%" lights and the buzzer on the torque limiter is starting to alert the buzzer. When the actual load reaches 100% of the rated load, the display "100%" lights are on and the buzzer on the torque limiter is on the engine and the buzzer starts intermittently to call the alarm. When the actual load reaches 104% of the rated load, display the light is "104%", at the same time torque limiter sirens hosts a buzzer alarm, relay action, lifting, and an increase in working radius of crane boom operation will automatically stop, to prevent the driver made a mistake by mistake or rough operation by the accident.

Q: What are the procedures for the installation of hoisting machinery?: Engaged in hoisting machinery installation, modification, major service units shall be notified to the local geological supervision department before the start, fill out the notice in quadruplicate, in the book told the seal of the unit, and submit the relevant qualification certificates and technical data (factory), the construction unit of qualification certificates and technical data provided by the authenticity. Told that includes unit name, license number and contact information, use the unit name and contact information, the construction project, proposed the construction hoisting machinery and its basic parameters, manufacturing supervision and inspection certificate number (when required), type test certificate number, date of construction site, construction plan, construction, accredited homework personnel list, etc.

Q: The size of a single beam bridge crane is required for annual inspection: According to the latest definition of lifting machinery, two tons and the following are not called cranes, so there is no such thing as an annual inspection, which should be carried out in 2015.

Q: What is the difference between a beam crane and a bridge crane?: It is supported by bridge and suspension type. The crane track of the former bridge over the beam of the car; The bridge of the latter is in a crane track suspended under the frame of the workshop. Single beam bridge crane breakups, electric two kinds.

Q: How to ground the crane: Grounding; Crane and all electrical equipment normal not charged metal shell, metal wire tube, cable metal sheath, security transformer low voltage side end shall be reliable grounding.

Q: How does the car crane (wheel car crane) overturn insurance compensation claims?: During the period of insurance, the insured or any of its permitted legal drivers or operators in the process of using the insured motor vehicle, for the following reasons cause the loss of the insured motor vehicle, the insurer in accordance with the insurance contract is responsible for the compensation: 1, collision, overturning, fall; Fire, explosion, spontaneous combustion; 3) outside objects fall and fall; 4, tornadoes, tornadoes; Lightning strikes, hail, rain, floods, tsunamis; Land, ice, cliffs, avalanches, mudslides, landslides; The ferry carrying the insured motor vehicle shall be subjected to natural disasters (only in the case of the driver or operator). (2) the insurance accident occurs, the insured to prevent or reduce the losses of the insured motor vehicle have to pay the necessary and reasonable costs, assume by the underwriter, the amount of highest do not exceed the insured amount. Article 6 of the third party liability insurance during the period of insurance, the insured or any of its permitted legal drivers or operators in the process of using the insured motor vehicle accident, cause a third party to suffer person casualties or belongings direct damage, in accordance with the law shall be borne by the insured's liability for damages, the insurer in accordance with the insurance contract, more than the breakdown of the compulsory motor vehicle traffic accident liability insurance for the part above is responsible for the compensation limit compensation.

Q: What is the difference between the class a and b: Basis: the national quality inspection pot [2003] 251. Crane installation modification maintenance license certificate is special equipment quality supervision department, is a qualification certificate, and the business license is mainly daily business scope, has the certificate also have to add in business projects to undertake related business. It can't be run on a scale.

Q: The wire rope lubrication is used several times a month: The wire rope in use should be lubricated at least twice a month, the lubricant should not be lubricated, the oil of wire rope can be made, and the oil of medium concentration can be used. Lubrication before, need to use wire brush to brush the dirt from the wire rope, and kerosene, cleaning, and then poured with heated to above 80 ℃ oil immersion steel wire rope, the lubricating oil into the rope.

Q: What is the role of the crane metal structure? What are the requirements: The metal structure of the crane is the main carrying part, and the main function is to bear all the load during the work

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