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Wharf And Port Crane Intermittent, Cyclical, Repetitive Transport

Wharf and Port Crane, also known as Wharf and Port Crane, is a certain range of vertical lifting and horizontal transport of heavy objects of multi-action Wharf and Port Crane, in the modern economic construction, social production activities to improve the material handling conditions, improve labor productivity indispensable logistics and transport equipment, Has been widely used in various fields of economic construction. The Wharf and Port Crane is usually driven by the transmission mechanism (hoisting mechanism - moving the goods up and down; operating mechanism - moving the Wharf and Port Crane; rotating mechanism and luffing mechanism - moving the item horizontally), plus metal mechanism (steel structure), maneuver control, System, power plant and the necessary auxiliary device combination, this machine is mainly through the lifting hook or other spreader reclaiming material, lifting, falling, moving or unloading into pieces, but also hanging bulk materials and liquid Materials, the agencies are often in the start, braking and positive and negative direction of the working state of operation, its work is intermittent, cyclical, repetitive transport work.

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Wharf and Port Crane in the course of the use of a greater risk, mainly because of its complex structure, large structure, wide operating space, variable load. In order to better implement the "Regulations" to avoid unnecessary equipment and major accidents, the occurrence of personal injury and death, by a unified supervision of the competent departments to strengthen the use of Wharf and Port Crane management and security is very necessary. In the occurrence of many mechanical accidents in the Wharf and Port Crane, the reason, the staff in violation of operating procedures and equipment, the lack of effective maintenance is one of the important factors. In the daily use of the Wharf and Port Crane, some units of security awareness of light, heavy use, light maintenance and maintenance, and even mechanical disease phenomenon exists for a long time, which to the operation of the Wharf and Port Crane to bring some security risks. Therefore, the maintenance and repair of the Wharf and Port Crane can not be ignored.

The importance of maintenance and repair of a heavy machine

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The maintenance and maintenance of the Wharf and Port Crane is directly related to the safety of the use of lifting machinery, is to determine whether the lifting machinery and equipment to maintain the follow-up vitality, and thus create more economic benefits of the important factors. Any mechanical equipment, in the long-term use of the process, some parts and connectors are due to vibration, friction and other factors and inevitably loose, corrosion, aging, damage and so on. In order to extend the service life of the Wharf and Port Crane, reduce the equipment failure rate, reduce and eliminate the security risks, the use of units on a regular basis to ensure that the equipment maintenance work is necessary and very important. Only to regularly check, maintenance and maintenance of the Wharf and Port Crane, the need for lubrication of the parts of its lubrication, the need for tightening the components of a solid, vulnerable parts of its maintenance, replacement, etc., in order to eliminate equipment failure problems, reduce accidents The incidence of Wharf and Port Cranes makes the Wharf and Port Crane run more safely to create better economic benefits.

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In accordance with the Regulations on Safety Supervision and Supervision of Special Equipment and the Regulations on Safety Supervision of Hoisting Machinery, it is stipulated in the regulations on the maintenance and repair of lifting machinery. As a unit of use of the Wharf and Port Crane, in addition to requiring the operator to strictly abide by the relevant special Equipment, technical specifications and safety procedures, but also should attach great importance to its maintenance and maintenance, equipment for the production to create economic benefits, but also part of the funds into the Wharf and Port Crane equipment maintenance and maintenance work to the regular maintenance, timely Maintenance to better ensure equipment and personal safety.

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Second, the specific parts of the maintenance and repair of heavy machinery

1. Maintenance and maintenance of transmission

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Check whether the wire rope fixtures meet the requirements and check whether there is corrosion, broken wire, loose stock, broken strand, bending, kink, wear, flattening and other phenomena, such as more than the relevant provisions must be immediately renewed; No cross-section wear, tearing, cracking, torsional deformation, increased opening and other defects and related pin, with or without serious wear; check whether the pulley is equipped with anti-rope slot device, pulley rotation is flexible, Whether the edge of a broken edge, wear, crack and other conditions.

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2. Maintenance and maintenance of brake

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Check the brake spring and the rod with or without fatigue deformation, cracks and other defects; view the gearbox, gear box, external gear, the gearbox, the gearbox, the gearbox, the gearbox, Gears and other parts of the lubrication and hydraulic oil is leaking; often check the oil filter with or without plug, the safety valve in the use of the adjustment value after the change; the friction on the surface of the brake, there should be no dirt Dirt must be washed with gasoline or thinning; check the wheel tread, whether the fatigue axis of the crack phenomenon, wheel tread wheel wear is excessive, whether there is gnawing track phenomenon.

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3. Maintenance and repair of metal structure

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During the use of the need to regularly check whether the main force components of the overall or local fatigue deformation, loosening, instability, serious corrosion, cracks, damage and other phenomena, the transport should try to prevent deformation and collision damage; check the connection bolts or rivets Solid, especially the vibration parts are loose, defects and other defects; check the structure of the connection, the weld has no obvious deformation cracking.

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4. Electrical system maintenance and repair

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Timely cleaning of electrical equipment on the dust, dirt, to ensure that the distribution box, control box, parts of the brush and its contact surface and other parts of the clean; often check all the cables, wires for damage, such as the damage should be timely part of the dressing or Replacement; to ensure that the safety device trip switch contact opening and closing reliable, contact the pit should be polished in time; check the Wharf and Port Crane power supply and the mechanism is set short circuit protection, pressure protection, zero protection, overcurrent protection and special Wharf and Port Crane Speeding, loss of magnetic protection.

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5. Maintenance and maintenance of safety protection devices

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Check whether the installation of the overload protection device, the buffer, the torque limiter, the limit position limiter, the anti-rear tipping device, the windbreak device and the protective device of the Wharf and Port Crane meet the design requirements. Whether the operation of these devices is sensitive and reliable, Timely issued an alarm signal, whether it can automatically cut off the dangerous source to run the power source.

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How to do a good job of maintenance and repair of the Wharf and Port Crane

1. To ensure the safe operation of the Wharf and Port Crane, the use of units according to the daily inspection, weekly inspection, monthly inspection, annual inspection, etc. to regularly check and find abnormal situation in a timely manner. After the Wharf and Port Crane has been operating for 1 000 h, it should be rebuilt for its electrical system and mechanical parts. After the Wharf and Port Crane is running for 4 000 h, its electrical system and mechanical parts should be repaired. After the Wharf and Port Crane is running for 8 000 h, Electrical systems, mechanical parts for overhaul. Mechanical safety technical inspectors through the senses to see, listen, smell, ask, touch the Wharf and Port Crane to conduct a comprehensive visual diagnosis, to obtain the required information and data to determine the fault location and fault nature.

2. With the development of modern machinery and equipment and high-tech, the technical content of the machinery is getting higher and higher, which requires the use of the Wharf and Port Crane unit to attach great importance to its management and maintenance, to invest a certain amount of money to equip with advanced testing equipment And the instrument, in the operation of the lifting machinery, the use of expert monitoring system and monitoring and diagnostic equipment, the Wharf and Port Crane for inspection (monitoring) test, keep abreast of the Wharf and Port Crane technical conditions, predict the whole machine or system fault symptoms and causes, so the accident to eliminate In the bud state. In addition, we should actively introduce the organic, electrical, liquid and computer monitoring and other knowledge of professional and technical personnel, and actively use mechanical equipment maintenance of new technology, new materials and new technologies.