Different speed electric hoist

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Different speed electric hoist

1.Introduction

CD or MD type electric wire rope 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.

2. Technical parameter

Model					CD1 MD1
Capacity			t		2									3
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		11									13
	Structure				6×37+NF									6×37+NF
Traveling track GB/T706-1988					22a~45c									20a~45c
Min curvature radius				m	2		2.5			3		4		2		2.5			3		4
Hoist moto		Model			ZD1 31-4 ZDS1 0.4/3.0									ZD1 41-4 F1 ZDS1 0.5/4.5 F1
		Power	KW		3, 0.4/3									4.5,4.5/0.5
		Rpm	r/min		1380									1380
Trolley motor		Model			ZDY1 11-4									ZDY1 11-4
		Power	KW		0.2									0.2
		Rpm	r/min		1380									1380
Bonding times			T/H		120									120
Work duty					M3									M3

3.Sketch

Q: What kinds of cranes are there?: Crane is a machine that can lift and move objects vertically and horizontally in a certain range.

Q: The small crane consists of which parts: For the most part the current domestic and foreign automobile crane is used hydraulic transmission, telescopic boom, rotary cylinder luffing and plus or minus 360 degrees, its structure is basically the same, only a small amount of the truss modular boom, rope luffing.

Q: A bridge crane, with an overweight limit switch, can be understood, but on safety, why must it be protected by mistake? What's going to happen if there's a lack of error?: For example, in the wrong term, the electric gourd will be reversed, the upper limit. On the lower limit, the person who doesn't know has pushed the button up to think that the limit can be limited, but the limit can be capped

Q: What are the procedures for the installation of hoisting machinery?: Go to the local technical supervision bureau special inspection place, bring the relevant certificate of installation company, also have the inspection report of lifting machine, certificate of qualification, sales contract, 400 yuan

Q: Is a simple elevator a crane machine: See you simple lift up your weight is how much, if not less than 0.5 T, don't need to declare. If greater than or equal to 0.5 T lift belongs to hoisting machinery must declare and register to the local bureau of quality and technical supervision.

Q: What is the difference between a tyre crane and a crane: Get off for the bearing and walking part. With the rotary bearing connection between on and off. When hoisting generally need to put down the leg, increase the bearing surface, the fuselage leveling, and to ensure the stability of the crane. According to the form of the chassis divide into two kinds: tyre crane and crane the former adopts special chassis, body, move flexible operation; Latter lifting operation part is installed on the chassis, body is longer, has a truck driving performance, it can quickly transfer or with single car fleet. x0d derrick structure form has two kinds of truss arm and arm extension. The former use transformer, wire rope pulley block long arm folding or extension, its length is bigger; The latter section for box section telescopic boom, with telescopic hydraulic cylinder and transformer. Driving state due to the small overall dimensions, meet the needs of the rapid transfer site. Working mechanism can be mechanical, hydraulic and electric. Hydraulic with compact structure, convenient operation, easy to control and realize overload protection, etc. Wheel crane are normally used for loading and unloading heavy and installation, the weight is small, can not play leg homework, even walking on load. With good mobility, transfer the characteristics of convenient, applicable to liquidity operations, widely used. The basic technical parameters for

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 control room in the back is used to manipulate the top and bottom of lifting objects, left and right, etc. The necessary equipment is the mechanical joystick, the electrical control cabinet, and the pneumatic or hydraulic device.

Q: Is a bridge crane a crane?: A bridge crane is a crane. The bridge crane is a lifting equipment which is carried by the horizontal frame of the shop, warehouse and the material yard. It is shaped like a bridge because its two sides are located on tall concrete poles or metal stands. Bridge crane bridge along the laid on on both sides of the elevated rail longitudinal operation, can make full use of bridge the space below the lifting materials, from the ground equipment obstacles. It is one of the most widely used and most widely used cranes.

Q: What kind of materials are used for the classification of crane pulleys: For light and medium duty types of cranes, the pulley adopts grey cast iron ht15-33 or spheroidal cast steel qt-10 manufacturing.

Q: Why the electric gourd? What is the origin?: The CD1 and MD1 type electric gourd are widely used in factories, warehouses, docks, power stations, logging, etc., which are the ideal lifting equipment for lifting and moving objects.

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