Dowellcrane News

• Technical guidelines for lifting mechanical hooks

  1. The crane shall not use casting hooks;2. It is strictly forbidden to repair welding with the hook;3. The surface of the hook should be clean, and there should be no crack, sharp Angle, burr and crack;4. The hook shall have an anti-stripping device; The pawl should not be opened when the hook load

  Dowellcrane News March 03, 2018
• What are the composition of ordinary bridge cranes?

  Ordinary bridge crane is generally made up of crane trolley, bridge running mechanism and bridge metal structure. Lifting trolley is made up of three parts: lifting mechanism, trolley running mechanism and trolley frame.The lifting mechanism includes motor, brake, reducer, reel and pulley block. The

  Dowellcrane News February 24, 2018
• Scrapping standard and maintenance of crane pulley block

  The pulley block is a simple machine assembled by several movable pulley and fixed pulley, which can save energy or change the direction of force. The labor force of the pulley block is determined by the number of the rope, and its mechanical efficiency is determined by the gravity of the object bei

  Dowellcrane News February 09, 2018
• Technical operation procedure of gantry crane

  1. After passing the examination and holding the equipment operator, the operator shall operate. The operator must strictly abide by the relevant safety and succession system.2. Before work, the oil should be filled in strict accordance with the lubrication regulations, and the oil content should be

  Dowellcrane News February 02, 2018
• How to control the shaking in the electric hoist?

  It is impossible to shake without shaking in an electric hoist. The speed, the weight, the height will shake.It is recommended that users start with the following aspects to minimize the shaking

  Dowellcrane News January 26, 2018
• Safe operating procedures for wall slewing crane (jib crane)

  The wall jib crane (wall hanging) consists of bracket, spiral arm device, rotary device and electric hoist (chain electric hoist). The bracket is fixed on the wall or steel structure column, can be turned according to the user demand, the rotary part can be divided into manual and electric rotary.

  Dowellcrane News January 22, 2018
• Use gantry crane box girder hanging matters needing attention

  1. Before the gantry crane is ready to be hoisted, we must first check whether all the agencies and spare parts are properly installed, the links are solid, and so on. Only when we are sure that everything is safe will we be able to carry out hoisting work.2, the process of the spreader decentraliza

  Dowellcrane News January 05, 2018
• Maintenance method for electric hoist

  Mechanical equipment has rated life, but these are only as a reference data, if you take more to caress attentively in daily life the performance of the equipment will be beyond the prescribed service life, but if you often in daily life of equipment maintenance and operation more oversight, the equ

  Dowellcrane News December 29, 2017
• Do you know how to do rust preventive work about crane?

  The rust preventive work of the long-mounted crane1. First, when the equipment is to be put down for maintenance, it is necessary to check the surface of the whole equipment, and it is best to ensure that there are surface coatings on all places.

  Dowellcrane News December 14, 2017
• How to prevent Wire rope short rope phenomenon?

  01 rope end fixationThe rope end shall be fixed firmly and reliably. There are usually 4 ways of fixing the rope end of the rope: the pressure plate of the fixed rope shall be firmly pressed on the two rope, and the nut shall have anti-loose device; The joints should not be cracked when pressed with

  Dowellcrane News December 08, 2017