28
April
1. Four sets of end stops and stroke limiting devices should be mounted at the end of the travel. 2. All limiters should be complete, sensitive and valid. 3. The rope guide should move flexibly and the automatic stop should be sensitive and ...
29
January
Gantry Crane: How to Adapt Different Working Surroundings?
Gantry crane with electric hoist designed and manufactured by Zhengzhou Huazhong Construction Machinery Co., Ltd (ZZHZ) are widely used for all kinds of working circumstance with di ...
29
January
Zhengzhou Huazhong Construction Machinery Co., Ltd (short for ZZHZ) a leading manufacturer in China specialize in bridge construction equipment, such as gantry crane, bridge girder launcher and girder transporter for highway and high speed r ...
25
January
History of Gantry Crane for Lifting Containers
As we all know, after World War II there was a technological revolution in transportation trade, especially for container transportation. In the mid-sixties container transportation has recei ...
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 ...
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. ...
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. ...
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 ...
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 ...
16
June
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 ...
08
June
Connection Methods of Metal Structure for Gantry Cranes
Metal structure of gantry cranes are always connected with basic building blocks, such as steel plate and structural steel. These girders, pillars and truss will be installed and con ...
20
May
Main Structure of Honeycomb Girder Gantry Crane
Honeycomb girder gantry crane is mainly composed of crane moving system, gantry mounting frame, operation cab, main longitudinal beam, walkway, lifting trolley and etc.
1. Crane moving sy ...
20
May
What are Quick-wear Parts of Cranes?
Quick-wear parts refer to easily damaged parts in normal use stage or some components are need to be periodically replaced parts according to rules. Wearing parts of gantry crane / overhead crane / bridg ...
20
May
What are the Main Components of Lifting Mechanism of Gantry Crane and Overhead Crane?
In general, the lifting mechanism is mainly composed of driving, braking, transmission, hook and safety devices.
1.Driving Device
Driving device of lift ...
11
May
What are Frequent Used Safety Protection Devices of Gantry Crane?
Safety protection devices are necessary to keep fluent running for gantry crane. If there is any fault or danger, safety device can alarm workers in time and stop automatical ...
10
March
It is important to understander more principle or knowledge about hoisting machinery before installation, operation, examine or dismount. Please email zzhz114@gmail.com or call 86-371-68000000 at any time, we have R&D team here to help you. ...
Products Categories
- Gantry Crane
- Bridge Girder Launcher
- Movable Support System
- Overhead Crane
- Shotcreting Machine
- Cinder Scraper
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