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07
May
4, Crane commissioning: (A) Visual inspection: (1) Preparations and check: ...
05
May
(1) Make a thorough check to the installed gantry crane to find if there are any parts missing or wrong, if the wirings are firm and the grounding is available. (2) Turn on the power to test electric leakage and the conformity of grounding. ...
04
May
The rails should be erected in a purpose to guarantee the safety operation of the gantry crane. This requires a solid soil foundation under the rails, providing the ...
03
May
The assembling and installing of the gantry crane should be done on a prepared foundation. Before starting the assembling and installing, you should read carefully the Operation Instructions of the MG Series Gantry Crane and the general layout drawings and electric diagrams, and check all the parts and their sizes. ...
03
May
The gantry crane is composed of travel mechanism, gantry, operator’s room, main girder beam, walkway and platform, trolley for hoisting, and chain jack. ...
27
April
According to "Special Equipment Safety Monitor Terms" and the relevant provisions: ...
26
April
Gantry Crane of Series MG is the patented product designed specifically for bridge building purpose by our company. ...
23
April
The bridge girder launcher belongs to heavy-duty machinery equipment, a small mistake can cause serious accident. Therefore , the operator must operate the machine seriously according to the safe operating rules ...
12
April
Gantry crane is the development of overhead crane. It is used to load and unload bulk loads in freight yard outdoor and in stock ground in harbor. ...
11
April
ZZHZ is a professional manufacturer of hoisting machinery such as gantry crane and bridge girder launching gantry which are widely used in highway construction ...
10
April
It is mainly used for lifting of concrete girder in bridge construction of general railway and highway. ...
09
April
a. the bridge girder launcher mainly uses Q235B steels: the butt welds of cover board and web board, the outer lead weld of cover board and web board adopts Lincoln weld, other welds use CO2 gas shielded welding; welding material: welding rod of Lincoln weld H08A, and HJ431; welding rod of CO2 gas ...
06
April
ZZHZ has very rich experience of producing bridge girder launcher, therefore, it can give ussome advice about the safety guarantee measures: ...
04
April
9. safety device of crane The following safety device should be installed in the gantry crane : 1) the hoisting limitator(travel switch), capacity limitator, weight display instrument, overspeed protection and wind alarm ect. should be installed in the main and auxiliary lifting mechanism of trolley. 2)the trolley travel mechanism and crane travel ...
03
April
The armor plate and profiled bar for welding manufacture of the crane are pretreated before welded. The armor plate and profiled bar are not allowed to weld if they aren’t pretreated. ...
02
April
1)Adjusting the height of transverse rails of front legs and middle legs when erecting girder or moving from one pier to keep main girder’s longitudinal slope≤0.5%,transverse slope≤0.5%. ...
31
March
A, Strictly obey the command of the signalman. No matter who issues an emergency stop signal, stop the machine immediately. ...
30
March
The overhead crane is a hoisting machinery for lifting a variety of objects which is hung on the above space of the workshop, warehouse or the open yard. It is usually referred to the EOT crane too. The following is a summary on the safety operation of the overhead crane. ...
28
March
The overhead crane is an important tool and equipment which realize the production process mechanical and automatic in the field of industrial production and hoisting transportation. ...
27
March
1, The overhead crane must be in normal status, especially the safety devices. Hang the signs of the rated lifting capacity on the visible position. ...