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Zhengzhou Unique Industrial Equipment Co.,Ltd.
ADD: No.5 Building , Jincheng International Plaza, Nongke Road, Zhengzhou City, Henan Province, China.
E-mail: sales@unique-cons.com
Tel: +86-371-65829915
Fax: +86-371-63935058
Zip Code: 450002

  • Preparation of Dismantling Tower Crane 2014/3/21 The dismantling requires a truck crane, the tonnage of which should be suite to the one of the tower crane. In principle, the dismantling is carried out according to the reverse sequence of erection tower crane.1 Preparations before dismantling tower crane2 Move the crane to be in dismantling area and make sure that there is no high-voltage circuit and other obstacles in operation.3. Lift up the climbing section landed on the bottom onto the top of tower mast and con...
  • Installation Steps for Mobile Tower Crane 2014/3/18 Installation steps for mobile tower crane1. Install the traveling bogie2. Install the first section3. Installation the base bars4. Put on 1 pc ballast5. Install the mast section6. Install the climbing system7. Install the slewing mechanism8. Install the cat head9. Install the counter jib10. Put on the counter ballast11. Install the font jibs12. Install the jib ties13. Put all the counter ballast14. Commissioning 15. Self erect the tower crane to the specific height16...
  • Check and Test For Run of the Tower Crane 2014/3/4 After finishing installation of tower crane, check each part and connection positions of all parts once again, and the connections whether are right and reliable or not. Check whether wire ropes are in normal operation condition. Then check electrical system.Finally make a trial operation to check whether the installation of the complete tower crane to be correct or not. a. Test running for hoisting mechanism and run the hook up and down for three times. b. Test ru...
  • Notice of Tower Crane 2014/2/19 1. Don’t replace tower crane spare parts at will so as to avoid damage or accident resulted from man-made fault.2. Check the power and switches.3. Make sure the pins and bolts in normal condition.4. Check the tower crane hoisting, trolley and slewing brakes and make adjustment when necessary.5. Check hoisting and trolley wire ropes.6. Check the lubricating condition of hoisting reducing device and pivot.7. Make sure the door of the electric cabin is locked....
  • Operation Rules of When Operate Tower Crane 2014/2/12 Operation rules of when operate tower crane1. Forbid loading outside the working radius.2. Forbid slant loading3. Check the fire extinguisher of tower crane, notice and alarm board when in the cabin 4. Check the alarm and make alarming signals before each operation.5. Don’t load goods or other structure fastened to the ground.Special Attention: Stop working and inform those responsible people when there is any abnormal noise. Stop working when the wind spee...
  • Operation Rules Before Running of Tower Crane 2014/2/6 1. Make sure the power cable of tower crane is in normal condition.2. Check whether the jib can make normal slewing.3. Power on the switch box.4. Take care of the brake circuit key or protection switch.5. Check ballast accessory and its quality.6. Power on the electric source.7. Operate and check each mechanism without loading to make sure the mechanism, limit switches and brakes are in normal condition.8. Anemometer of tower crane must be equipped when H.U.H≥...
  • Operation Rules After Working of Tower Crane 2014/1/26 1. Lift the hook to the top.2. Jib located at 15 degree and starts the weather van and braking device to make free jib slewing (weather van effect). Start this device manually when the power is off. Fasten the four rail clamps if it is a traveling tower crane.Attention: weather van effect means the upper slewing part of the tower crane can make free slewing in accordance with the wind direction which helps reduce the winding facing area. The tower crane driver should...
  • How to Install the Tower Crane? 2014/1/17 1. In accordance with the procedures of the tower crane above instructions to install running gear, the door frame with pressure iron. The boom bracket shaft inserted in the door frame platform above, in accordance with the tower lie down assembly size above importance Woods crib assembly tower, tower cap tower rack Woods crib, its axis substantially parallel to the ground . 2. The rope of the winch through the cab to the the datta cap pulley group, and finally fixe...
  • The Preparation of Construction Hoist Before Installation 2014/1/8 Customers should make best preparations according to the construction site when the building hoist is installed. Here is a general installation preparation of the following matters:1. Please ensure the building hoist is installed on the power supply. Provide specifically for construction hoist power box, and prepare a transfer switch for each cage. Fuse current see technical data.2. Distance should not be more than 30m between main power substation and Web sites. The...
  • Safety Technical Measures of Tower Crane Dismantling 2013/12/30 Tower crane dismantling must be completed by a professional team who has the installation qualification. Tower crane dismantling should draw its working area, and monitoring by dedicated personnel, ban has nothing to do with dismantling tower crane from entering construction sites. Personnel participating in tower crane dismantle, must wear a safety helmet and fasten your seat belts, and slip resistant shoes and overalls. Jobs should be unity of command, coordination...