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15
Oct
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
Oct
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
Oct
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
Sep
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
Sep
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
Sep
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
Sep
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
Sep
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
Sep
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
Sep
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
Aug
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
Aug
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
Jul
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
Jun
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
Jun
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
Jun
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
Jun
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
Jun
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...
16
Jun
Classify and Application of Gantry Crane ZZHZ gantry cranes are widely used in all kinds of construction projects, which are famous in domestic and overseas. In this article I will show you how to classify gantry cranes. A. Types of Main...
13
Jun
Main System of ZZHZ Movable Support System (MSS) Movable support system, short for MSS, is made up of mould support system, truss main beam, mould system and hydraulic walking system. I. Mould support system of ZZHZ movable support sys...