11
October
Moving gear plays an important part in normal operating of crane, some basic lubrication steps shall be taken to keep it in normal working condition. Open reducer vent cap as using the moving gear at the first time to ensure good ventilation and reduce internal pressure. Check whether height of reducer lubricating oil level reaches the demand befor ...
11
October
(1)Advantages a. One-piece steel plate welded with another makes box-girder gantry crane very stable b. High wind-resistance, high rigidity and low deflection make it very safe c. Use winch to lift objects easily d. Proven, professional technique and good performance make it famous all over the world e. HUAZHONG use high-quality electronic componen ...
10
October
Safety slide contact wire features safe, reliable and perfect mechanical electrical performance, quite convenient for installation and maintenance. Check the gantry crane safety slide contact wire before installing it, coat antirust paint for non-friction conductive surface, 15-20mm expansion joint shall be kept at joints of two slide contact wires ...
10
October
Rail Mounted Container Gantry Crane is usually used in container terminal with strong wind force, so some wind resistance measures shall be taken to avoid accidents. Before strong wind comes, drive the gantry crane to the terminal end, connect left support leg with U-steel on the embedded bars of box girder. Two sides of main girder and support leg ...
10
October
Honeycomb girder gantry crane developed by ZZHZ is a new type crane in crane fields. It is unique and near to be perfect. Brief introduction on honeycomb girder gantry crane will be as follows. 1. why the crane is called honeycomb girder gantry crane? the main girder of the crane is honeycomb girder. For honeycomb girder, it means many hexagonal ho ...
09
October
Launching Gantry produced by ZZHZ accesses to national patent with isosceles triangle honeycomb type main girder, it features light self-weight, high stiffness, low deflection and high wind resistance. The main longitudinal girder keeps load-bearing steel plates at two sides of box girder, removes non-load-bearing steel plates at upper and bottom p ...
09
October
when the crane leaves factory, usually it has a run-in period of 60 days which is regulated by manufacturers according to technical features of crane in early use time. Run-in period ensures the crane to operate normally and decrease failure rate, thus prolong its service life. At present, some users neglect the special technical demand of new mach ...
08
October
Honeycomb girder launching gantry developed by ZZHZ is a new type bridge construction crane in crane fields. It is unique and practical. The main girder of the launching gantry is honeycomb girder. For honeycomb girder, it means many hexagonal holes which looks like honeycombs in the main girder, with which the air current could pass through the ho ...
08
October
Before we drive the gantry crane , we need to have a test run, it is necessary due to its importance to ensure production safety and personal safety. 1. Make a comprehensive examination on mounted gantry crane for lifting girders, check whether there is a right installation. 2. Check whether electrical connection is right and whether the limit swit ...
07
October
Crane hook surface check is routine work for crane operators everyday, below requirements shall be met: 1. Pulley shall rotate flexibly on the shaft without obvious looseness; 2. The pulley rim shall have no damage or crack, or it shall be changed; 3. Mousing-hook device shall open and close freely, the spring shall be in good condition to avoid st ...
07
October
Gantry crane with large span is inclined to move at a skew with bad balance, so a deviation rectification system is needed to monitor and correct the movement of gantry crane. Optical-electricity encoders shall be respectively installed at two sides of crane moving mechanism to check their relative travel limit, as moving deviation is among 1～3 s ...
07
October
Safety devices of gantry crane make gantry crane work well. They can raise the alarm and index signal to quickly deal with the breakdown and dangerous situation in order to avoid accidents, maintain normal protection and protect life safety of employees. So, it is necessary to design and install safety devices introduced by ZZHZ. 1. Ascending limit ...
05
October
(1)Advantages a. One-piece steel plate welded with another makes box-girder gantry crane very stable b. High wind-resistance, high rigidity and low deflection make it very safe c. Use winch to lift objects easily d. Proven, professional technique and good performance make it famous all over the world e. HUAZHONG use high-quality electronic componen ...
28
September
Winch is a kind of lifting device to lift and move heavy objects by steel wire rope through power driven wind drum. With simple structure and convenient operation, it can lift and move objects very flexibly by working with pulley block. Winch is divided into manpower and power according to driving type. 1. Generally tractive force of winch is consi ...
28
September
Please follow below instructions to install electric hoist: 1 The rail frame used for the movement of the electric hoist is selected and designed according to standard GB706-88 by users themselves. Adjust the electric and driven bogies with spacers when installing to ensure the space between the wheel edge and rail flange is 3-5mm 2. In accordance ...
27
September
Check and preparation before installation of electric hoist is quite important to ensure a smooth, safe and fast installation. a. Check and accept according to the packing list after the electric hoist arrives at the installation site. then examine whether there are damaged or lost components during the courses of transportation b. read carefully t ...
27
September
1. The driver should be trained by the professional training, and get the certificate after passing the examination, and he is very familiar with structure and operation. 2. Anyone who is not a professional driver is strictly prohibited to drive the gantry crane . 3. The driver only directed by the professional person on ground (just one person to ...
27
September
Below 4 steps are to test and accept electric hoist : 1. Test with no load 1.1 Press relevant button and check whether the movement of all mechanism complies with marked sign on the button. If tight, try again for two cycles continuously. 1.2 Raise or lower the hook to the limited positions and check whether the position limiter is reliable 1.3 Cli ...
26
September
Overhead crane can work above the rectangular ground, mostly it is used to load and unload objects in the warehouse, workshop and open storage area. It can be divided into two groups as below. (1) Beam crane. Beam crane mainly includes bridge type single beam crane and bridge type double beam crane. Main beam for single beam crane is mainly compoun ...
25
September
When the crane leaves factory, usually it has a run-in period of 60 days which is regulated by manufacturers according to technical features of crane in early use time. Run-in period ensures the crane to operate normally and decrease failure rate, thus prolong its service life. At present, some users neglect the special technical demand of new mach ...
Products Categories
- Gantry Crane
- Bridge Girder Launcher
- Movable Support System
- Overhead Crane
- Shotcreting Machine
- Cinder Scraper
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