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 does the working grade A1A8 mean: Load condition of crane The load state of the crane is related to two factors, one is the actual lifting load and the maximum payload ratio (Pi/Pmax) The other one is the number of lifting loads associated with the total work cycle ratio (ni/N). The value of Pi/Pmax and ni/N is called Kp, and the expression is: KP = Pi - I = 1 lift load, I = 1, 2, 3... N; Ni -- the number of effects of load Pi; N -- the total number of work cycles. Pmax - rated weight; M -- exponential; Table 3 is the load state of the crane and its nominal load genealogy table. Table 3 crane load condition and nominal load spectral coefficient Kp The nominal load factor, KP says Q1 - light In Q2 - Q3 - heavy Q4 - heavy 0.125 0.25 0.5 1.1.0 is seldom raised with a nominal load Sometimes the load is rated, and the average lift is moderate The load is usually raised, usually lifting heavy loads The load is rated frequently Crane working grade The crane is divided into eight working levels according to the crane utilization level (table 2) and load condition (table 3) A1 ~ A8. Table 4 is a breakdown table of the working level of the crane.

Q: Who can talk about the development of cranes?: And the domestic enterprise product is very homogenized, the brand influence is small. Personally, the market is somewhere in between, and the cake is the biggest. The whole thing is going to be the big tonnage.

Q: Is there any provision for the quality assurance period of the crane?: The manufacturer is three packs a year, the formal acceptance is qualified to begin to calculate.I hope my answer will help you.

Q: What is the KBK crane: KBK crane is actually a series, belongs to a kind of suspension monorail, but not adopt i-steel, multi-purpose C payments and hanging pendant. Structure is simple. But bearing ability is limited, commonly used lifting chain hoist. KBK system including KBK crane - D single track, KBK LD beam, KBK LS double beam, KBK LSS telescopic girder, KBK LM stacker and other various types of lifting equipment, lifting weight 0.125 t ~ 2 t adapt to a wide range

Q: What kinds of types of cranes are there: Bridge crane Can be above the rectangle area and its operation, used in the place such as workshop, warehouse, open storage of goods loading and unloading, a beam cranes, gantry cranes, cable crane, vehicle bridge, etc. (1) beam crane: beam crane mainly includes single beam bridge crane and double beam bridge crane The main beam of the single beam bridge crane bridge is made of the composite section of steel and steel. The lifting car is often assembled from a hoist, an electric gourd, or a hoist with a hoist. There are two kinds of supporting and hanging type in the bridge. 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. Manual single-beam bridge crane institutions working speed is low, the weight is small, but its quality is small, easy to organize production, low cost, suitable for no power after carrying amount is not big, requirements for speed and productivity is not high. Manual single beam bridge crane adopts manual monorail car as the running car, and as the lifting mechanism, the bridge is made up of the main beam and the beam. The main beam is usually made of single piece of steel, and the end beam is welded with a shape or steel plate. The electric single beam bridge crane works faster, the productivity is more manual and the weight is larger. Electric single-beam bridge crane is operated by bridge frame and large car

Q: The whole machine of the bridge crane is designed to use the life expectancy: The bridge crane is designed to have a life span of 20 to 30 years.

Q: What does the crane main make the controller do?: The motor capacity is large and the CAM controller is not enough. (2) the frequency of operation is high, and the number of passes per hour is close to or more than 600 times. (3) the crane is heavy and the operation is very frequent, and the requirement of reducing the driver's labor intensity requires the higher life of the electrical equipment. (4) the crane requires better speed adjustment, point motion and other operation performance.

Q: Why does the crane have two driving rooms? What is the control room in the back? Is there any necessary equipment in it?: The two driving rooms of the crane are different. The driving room in front of the car (driving speed, direction, etc.).

Q: Which electric brakes are used for crane motors?: Current electric hu reed is a special of the motor rotor motor for conical, horizontal movement, when the motor to let the gas gap between backward displacement rotor stator rotating at the same time, when a power failure in the spring under the action of rotor displacement forward then eliminate air gap locked-rotor (death). It's called mechanical braking.

Q: What is the lifting torque in construction?: When buying in tower crane, the relationship between the two types of cranes should be understood, and the hoisting moment curve is carefully compared. The company design, production of QTZ80 can realize three arm length, three kinds of arm length under the condition of nominal torque are shown in table 1: table 1 parameter name parameter values to install arm length (m) 505560 arm side crane load (kN) 15.612.551035 m lifting weight (kN) 25.7124.2822.85 nominal lifting moment (900850800 kN. M) can be seen from the table above and nominal lifting moment arm length. And our national standard is according to the nominal load torque (kN. M), named TC3524 currently in the market, TC4020, TC4516, TC5014, TC5015, TC5312, TC5610, TC5513, TC5612, TC6010 tower cranes are claimed to QTZ80 tower crane, its production cost and purchase price difference is very big. Mastering this is not to be confused by the different Numbers of the same model, making scientific choices

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