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22
Aug
Hoisting machines ( gantry cranes, overhead cranes and bridge building cranes ) are the main products for Zhengzhou Huazhong Construction Machinery Co., Ltd. Because these construction machines are in wide range of usage applications, the ch...
16
Aug
It is evident that bridge industry has been a trend home and abroad. In order to shorten project duration, save labor and improve quality, mechanized construction such as bridge girder launchers are moving into our new era, which affects mos...
13
Aug
After finish installation of trolley conductor, gantry crane operators should check whether it is up to the relevant standard. Detail installation and acceptance standard of trolley conductor of gantry crane is as following: 1. The support ...
13
Aug
Should it occur emergency during erecting one gantry crane, a safe emergency stop control was necessary. 1. In most cases, main beams of gantry crane are segmented transported and assembled on the spot. After welding and piecing together, ...
12
Aug
Single Girder or Double Girder Overhead Crane? ZZHZ.COM Will Give You a Best Solution....
12
Aug
As we all know, safe operation is important for bridge and gantry crane. Safe operation means smooth operation. We should remember key points as following: 1. Flying starts, jerky and jumpy operation, sudden stops and quick reversals should...
11
Aug
Notes about Hydraulic System of Hoisting Equipments As for hoisting equipments , hydraulic pressure is its power. And there are all kinds of hydraulic devices mounted. If violate during-operation regulation, not only you will miss its deser...
11
Aug
Established in 1992, ZZHZ is a manufacture specializing in construction machine and hoisting machine.Welcome to inquiry. Email: zzhz114@gmail.com Tel: 0086-371-68000000...
19
Jul
Bridge Crane is also called overhead crane, which is mainly used for lifting and transferring material and goods in factory building and warehouse. With rich experience and meticulous design, QDHZ double girder overhead cranes adopt domest...
14
Jul
Design Steps of Crane Hook 1. Select a correct crane hook. 2. Confirm the right structure and related manufacture method. 3. Make clear the main size about the hook. 4. Calculate the bearing strength. 5. Tread diameter at the tail of ...
14
Jul
How to Upkeep Gantry Crane As a kind of practical and convenient elevator machine, gantry crane is irreplaceable. When in the use of gantry crane, we should pay more attention to its routine maintain. Because you know, reasonable upkeep can...
11
Jul
In order to store construction machinery for a long time, you need to live up to points as following: 1. Construction machinery such as bridge building cranes should be parked in a dry indoor space. If there is no choice to place them outdo...
10
Jul
Tips on How to Maintain Motor and Speed Reducer It is also significant to maintain the motor and speed reducer on a gantry crane. Some necessary are as following: 1. Check the temperature, noise and vibration for bearings and motor enclosu...
10
Jul
Do you know how to check the main parts of gantry cranes or elevator machines? Zhengzhou Huazhong Construction Machinery Co., Ltd.(ZZHZ.COM) will provide a perfect solution....
09
Jul
Every professional crane operator has realized that single girder overhead crane can’t bear a hard braking. But what are the detail reasons? Now the gantry crane specialists working in Zhengzhou Huazhong Construction Machinery Co., Ltd. ar...
09
Jul
Bridge girder and gantry crane may be rusted inevitably while being operated under outdoor environment. It will decrease the working life of gantry crane.. There are two kinds of measures of anti-corrosion for gantry crane in this article....
09
Jul
As we all know, winch is one of the most important parts for gantry crane and overhead crane. In order to operate the cranes safely and increase their working life, it is necessary for us to realize enough knowledge about how to maintain the...
08
Jul
Bridge building crane is a kind of elevator machine operated on the overhead railway, which is also called overhead crane....
07
Jul
Zhengzhou Huazhong Construction Machinery Co., Ltd. will give you top solutions about safety operation for gantry crane.Tel:86-68000000 Email:zzhz6688@gmail.com...
17
Apr
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 with different hoists, please install the electrical equipme...