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16
Oct
1200t gantry crane is the largest tonnage crane for bridge construction of highway and railway in China. It is designed, manufactured and installed by our company independently....
16
Oct
ZZHZ is a professional manufacturer for producing gantry crane. It is widely used in project construction. The design of its structure is reasonable, dismantle conveniently, high reliable and safe and various classification, which can meet t...
16
Oct
ZZHZ has very rich experience of producing gantry crane; therefore it can give some advice to us: 1. The operator must pass the training exam and get the operational certification. Otherwise, someone doesn’t operate it alone. ...
16
Oct
Steel structure is made up of steel plate and section steel ect, such as girder, column and frame ect. They are assembled as a whole after they carried to construction site, such as workshop and bridge girder ect. Connection takes very impor...
16
Oct
Ship-building gantry crane is widely used for making the ship hull in shipyard, such as dock, shipway ect. It can lift, travel, elevate, fold and overturn and so on....
16
Oct
The deformation of metal structure is a normal question, especially the main girder of hoisting mahcinery which as the main bearing parts, in order to avoid deforming, ZZHZ give some advice of gantry crane to us:...
16
Oct
ZZHZ(zzhz.com) has very rich experience of producing gantry cranes ; therefore, it can give us some advice to use the electric hoist:...
16
Oct
Some operators think that the replacement of parts of gantry crane is very easy, only need to replace the damaged parts. As a matter of fact, if assembly is not suitable, the power can decrease, the fuel consumption increase, and start hardl...
16
Oct
Operating environment, situation and usage frequency are usually considered as the condition of selection of rope of cranes. In general, the rope should have excellent toughness. The linear contact lay wire rope can be selected firstly when ...
16
Oct
ZZHZ has a rich experience of producing cranes; therefore it can give some advice to maintain the hoist. ...
16
Oct
The quality of hydraulic oil can be identified from the antioxidation, the anti-foaming characteristic, the abrasion resistance, the smell and color. And the good hydraulic oil can prolong the life of gantry crane....
16
Oct
The condition of mechanism can affect the running of crane directly, and also has a close relationship with the life of parts and safe production. Therefore, user and maintenance man must check the condition of lubricating points, and then r...
16
Oct
In order to protect the electrical equipment and workers’ safety, the electrical control system of crane should have the following protection measures....
16
Oct
900t gantry crane is the extra-heavy hoist machinery. Therefore we should operate it safely and correctly in order to make sure the workers’ safety....
16
Oct
1. According to the position of design, we should check the end face, linearity and distortion before paving the rail. The installation baseline is confirmed before installation. The installation baseline of rail is equal to the positioning ...
16
Oct
1.applicable range JS concrete mixer belong to double shaft forcible concrete mixer which is applicable to small and middle concrete precast components factory, highway,bridge , water conservancy, port,and dock etc. industry and civil build...
16
Oct
ZZHZ has very rich experience of producing JS mixer, so it can give some advice to us: 1) Checking reducer and the lubricant of lubricating parts is enough or not. 2) Checking the voltage: rated voltage: 380v, the error is ±10%. 3) Check...
16
Oct
1. The performance labeling of concrete: we can choose the mixers according to it, for example, hydraulic engineering must choose the forcible mixer. We also can choose the aggregate plant and silo according to concrete....
16
Oct
1. Indicator lights of power and fault are bright when the concrete mixer applies power....
16
Oct
a.checking the lubricating condition of reducer box and lubricating parts is good or not. b. checking voltage: rated voltage is 380v, the error is±10% . ...