18
November
To ensure HZQD 900t beam launcher to pass tunnel smoothly, the worksite shall meet requirements as below: 1. The worksite must be flat and compacted, to meet the demand for lifting and assembling the machinery, bearing capacity of foundatio ...
17
November
In the bridge construction, it will help us a lot to control the project progress by learning time arrangement for passing tunnel of HZQD900t. No Working Time arrangement Remark 1 Check all mechanisms of the beam launcher, prepare for passi ...
15
October
Top Notice on How to Choose and Install Overhead Crane
Overhead crane is mainly composed of overhead crane gantry, crane moving system, traveling trolley, lifting mechanism and other accessories. Overhead crane can realize move forward, bac ...
12
October
Origin of Honeycomb Girder Designed by ZZHZ
In 1999, as general engineer of Zhengzhou Huazhong Construction Machinery Co., Ltd (ZZHZ), Mr. Huang Cixun began to research and design bridge construction machine for highway. Combined with three ...
10
October
How to Install Honeycomb Girder Gantry Crane
Assembly sequence of honeycomb girder gantry is as following:
main girder connection ----- outrigger ------ pull rod of outrigger ------ driven wheel box ------ adjust track gauge ------ driving ...
30
September
How to Cross Span of HZQ40m/160t Bridge Launcher with Guide Beam?
Step 1:
After finished commission, lifting trolley moves near rear bracket.
Step 2:
Hydraulic cylinders of front support and rear bracket are jacked. Overall bridge laun ...
13
September
Structure of ZZHZ Honeycomb Girder Gantry Crane (2)
4. Main Longitudinal Girder
Main longitudinal girder of the honeycomb girder gantry crane is triangle girder with double amplitudes, it is welded by steel plate and shaped steel, connecte ...
13
September
Notice for Selecting Gantry Crane Used in Precast Yard
Gantry crane for lifting girder in precast yard is widely used for highway and high speed railway for bridge construction site.
Before provided quotation, customers must provide below ...
10
September
Structure of ZZHZ Honeycomb Girder Gantry Crane (1)
Honeycomb girder gantry crane is made up of crane moving system, gantry mounting, operating cab, main longitudinal girder, walking platform, lifting trolley and electric hoist and etc.
1. ...
07
September
Working Principle of Overhead Crane
Overhead crane, also called bridge crane, is a kind of crane traveling on the elevated track to lift goods. Overhead crane move in longitudinal direction along the erected track and its trolley move in tr ...
04
September
Track of Overhead Crane
Traveling track of overhead crane is important components to support the total weight of overhead crane and lifted load.
Track of overhead crane should satisfy below technical requirements:
Top surface: to bea ...
02
September
Top Notice about Precast Box Girder Erection
Not only the quality of box type precast girder is critical, but also the erection method is important. In order to promise the safety installation of box girder, please notice the following item ...
30
August
Introduction about CD1 Type Electric Hoist
As we all know, CD1 type electric hoist is commonly used for overhead crane, EOT crane and gantry crane. Hereby is brief introduction of it:
CD1 type electric hoist is a kind of small size hoist e ...
22
August
Common Used Steel for Gantry Crane and Bridge Crane
Steel structure is the most important component for hoist machinery such as gantry crane and bridge crane. Main structure of gantry crane and bridge launcher is welded by steel. There are ...
28
July
What Factors Decide the Price of Gantry Crane?
Price is one of the most concerned elements for buyers. In general, quotation for gantry crane by manufacturer originates from factors as following：
1. Lifting capacity of the gantry crane. ...
30
June
The whole overhead crane is made up of two end girders ,two main girders ,trolley and crane assembly;
1、 After the crane is carried to construction site,firstly,installing the bridge frame, and then main girder and end girder are co ...
30
June
The movable support system (MSS) is a large-scale construction equipment. The necessary protective measures for the electrical system not only improve the construction safety, but also guarantee the personnel security. 1, If any abnormal phenomenon oc ...
22
June
Installation Steps of Gantry Crane
ZZHZ gantry crane is widely used in outdoor working site. As heavy duty hoisting equipment, correct installation steps are important for reducing accidents.
Installation steps are as following:
1.Mark ...
17
June
Introduction about HZY900t Girder Transporter
HZY900 girder transporter is composed of car-frame, sleeper beam, hydraulic suspension, dynamic system,hydraulic system, electric system, control system, braking system, steering system, cab a ...
16
June
Preparation Work for 900t Gantry Crane for Lifting Girder
A.Expected Constructors
1.Project manager ------ 1
2.Deputy project manager ------ 1
3.Electrician ------ 2
4.Safety guard ------ 1
5.Crane operator ------ 4
6.Labor ------ 1 ...
Products Categories
- Gantry Crane
- Bridge Girder Launcher
- Movable Support System
- Overhead Crane
- Shotcreting Machine
- Cinder Scraper
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