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
Traveling track GB/T706-1988
Min curvature radius
ZD1 41-4 F1
ZDS1 0.5/4.5 F1
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Q:What is the difference between a port platform crane and a stationary crane?
Stage posture under the crane usually have a space, can have the vehicles through (job site), the machine can run along a fixed orbit, a cart runs, slewing, luffing three institutions. The fixed crane usually has no space under it, which is composed of solid platform column, which can not be moved, and the whole machine can only be turned into two institutions
Q:What requirement does the anchor bolt need to meet when the jib crane is installed
When the maximum eccentric moment of the cantilever crane works, without the mechanical self-balance; Machinery must keep don't move, the calculation to ensure resistance to overturning moment size (and meet the safety factor of the specification) to determine the expansion bolt or chemical or embedded bolt. The tensile strength of the expansion bolts is minimal, and the tensile strength of the pre-buried bolts can be very large.
Q:What should the crane driver do when the accident occurred
Of course is to break the electric brake first then hurriedly take the injured worker to go to the hospital, wait for a person to be able to identify again to go to hospital again late eight fall! The person sends to the hospital and then combine the crane dealer and the insurance company that you take the insurance company to identify a person responsibility to deal with the bottom line
Q:What is the difference between a crane machine and a lifting machine
Hoisting machinery is a wide range of words, many of which include lifting machinery, but lifting machinery does not include the lifting machinery
Q:Is there any regulation on the distance between the crane and the car?
There are rules for the distance between the crane and the car. The details are as follows: The minimum braking distance for a large car: V squared over 5,000. The maximum braking distance of the cart is divided by 15. Minimum braking distance of a small car: V squared over 5000. The maximum braking distance of the car is divided by 20. V is a large car, the rated speed of the car. Braking distance profile: Braking distance is one of the key parameters of the braking performance of a car, it means people under the condition of the vehicle at a certain speed, from the beginning to brake when the car perfectly still, vehicle was driven away. It is the distance from the driver to the brake pedal to the full stop of the car at a certain initial speed. Both the reaction distance and the braking distance are two parts. The smaller the braking distance, the better the braking performance of the car. Because it is more intuitive, it is widely used to evaluate braking efficiency. It is very important to understand the distance of car braking and safety.
Q:What is an insulated bridge crane
The lifting hooks, cars and other parts of the insulated bridge crane need to set up multi-channel insulation to ensure the safety of personnel and equipment.
Q:The multiplier is the power factor. The multiplier is half that; (without considering the friction force of the pulley) it only needs 1/4 force for the 4 bearing capacity. Depending on the number of pulley and the way the wire rope is worn. What the elder brother said: "there are several strands of wire rope on the hook, and the ratio is just a few". The multiplier of the double pulley is equal to one half of the steel wire branch of the sling.
The crane is hoisted by wire ropes, pulleys and hooks, and the pulley of the hook moves up and down with the hook. This is the pulley. The hook has a pulley, half the force, the multiplier is 2; There are two, the multiplier is 2X2 is equal to 4... It is. In general, two strands of wire rope are needed on each pulley, and several strands of wire are on the hooks, and the ratio is a few.
Q:What kinds of types of cranes are there
Light lifting equipment Light and small hoisting equipment is characterized by light, compact structure, simple action, and a range of projective points and lines. Light, small lifting equipment, usually only one lift mechanism, it can only make heavy weight to make a single lift movement. Among them: jack, block, hand (gas, electricity), hoist, etc. Electric gourds are often fitted with running cars and metal frames to expand the scope of the work. Electric hoist The CD1 and MD1 series of steel wire rope electric hoist are based on the original CD and MD type. It has compact structure, lightweight, safe and reliable, large parts of general degree, strong interchangeability, high lifting capacity, maintenance is convenient wait for a characteristic, is widely used, popular light lifting equipment. The gourd has a fixed and small car type. Fixed by the fixed leg on the up, down, left, right location is divided into different A1, A2, A3, A4 type, can be directly installed on the frame is used, the car has run function, can be installed on the track.
Q:The portal crane is mainly used for outdoor work, and the rail line has four legs supporting the main beam on the ground, with the main structure of the beam, the leg, the main beam. The bridge crane mainly works in the workshop workshop, and the main structure has the main beam and the end beam. The "hang" car is the above general term, also known as the skycar, the crane
Not a kind of, the driving is a bridge crane, the gantry crane is called the gantry crane
Q:The models of the self-elevating tower crane. What is the maximum lifting torque
The torque of the tower crane is set by the factory and cannot be changed. How do you want to convert?I hope my answer will help you..