13
August
HZQ high speed railway overhead launching gantry is specially designed for girder installation in high speed railway project. It features: 1. Bottom launching nose for one span support the main girder, light weight and fast installation, especially convenient for curved bridge construction; 2. Front and rear column each bears 50% weight of support ...
12
August
As installing precast girder with bridge construction crane, below demands shall be met to ensure a safe and ordered girder installation work. 1. Before lifting the precast girder, remove obstacles around the girder. Lift one end of precast girder firstly, and then the other end, lifting two ends at the same time is prohibited before the precast gi ...
11
August
The bridge building crane works in a poor working condition, once an accident occurs, it will takes a lot of money and time to maintain it and has an influence on bridge girder installation and construction progress. ZZHZ develops HZQ bridge building crane both for highway and railway. Functions of its electrical system meet the following demands: ...
05
August
Walking type launching gantry is a new type of bridge construction crane fabricated to meet demands of market and actual working condition, combined with current successful experience of ZZHZ and other companies. Walking type launching gantry is mainly made up of main guide beam, front guide beam, auxiliary push rod (front, middle), front support l ...
02
August
（1）honeycomb girder gantry crane Gantry crane produced by ZZHZ accesses to national patent with isosceles triangle honeycomb type main girder, it features light self-weight, high stiffness, low deflection and high wind resistance. The main longitudinal girder keeps load-bearing steel plates at two sides of box girder, removes non-load-bearing s ...
31
July
The RTG crane belongs to the heavy-duty lifting equipment. All the national safety procedures and mandatory requirements relevant with the lifting machinery are applicable to the facility. 1, The operation safety requirements of RTG crane Check all the slings and pulleys and make sure that if they are appropriate and in good condition; in particula ...
30
July
The overhead crane is an important tool and equipment which realize the production process mechanical and automatic in the field of industrial production and hoisting transportation. The gnawing rail is a common phenomenon in the process of production usage which also has been a problem affecting the normal operation. At least it will reduce the sa ...
29
July
The crane rail installation is a field between the mechanical and civil engineering construction projects. The crane rail installation will have a direct impact on the quality of crane operation. The crane rail produced by ZZHZ (Zhengzhou Huazhong Construction Machinery Co.,Ltd) is based on the customers requirements. Also its installation is in li ...
28
July
ZZHZ is a professional manufacturer of hoisting machinery such as gantry crane and bridge girder launching gantry which are widely used in highway construction Compared with box girder, honeycomb girder launching gantry made by ZZHZ features low centre of gravity, light weight, high safety and high wind resistance. Compared with truss girder, it ha ...
27
July
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. The crane is mainly composed of portal steel structure, double hooks, upper trolley, down trolley and travelling mechanism ect. Portal steel structure including double trapezoidal box ...
25
July
1, The applicable scope and purpose MSS30/660 Bridge Creating Machine is designed for meeting the demands of 30m continuous concrete box-girder construction. It is a bridge construction machine whose construction method is that installing on the piers and field casting. The main characteristics are high rigid for main girder, convenient bracing ins ...
24
July
MG gantry crane is the patented product of ZZHZ. It is made up of main girder, legs, crane running mechanism, lifting trolley, ladders, driver bin and electrical system. a. the unique honeycomb girder is the first made in China with light self weight, large load and strong wind resistance. b. mature pin connecting mechanism which is not only firm a ...
23
July
Extruding, striking, hooking and hanging, falling, derailing, collapsing, tilting, fracturing and getting an electric shock etc. are the common accidents of the hoist machinery. Such as the goods gets off from the hook ,the rope fractures , the lifting goods strikes workers, the rope hurts people, the crane slides ,and the crane falls down from upp ...
22
July
1.The driver should be trained by the professional training, and get the certificate after passing the examination, and he is very familiar with structure and operation. 2.Anyone who is not a professional driver is strictly prohibited to drive the gantry crane. 3.The driver only directed by the professional person on ground (just one person to dire ...
16
July
There are a lot of reasons to cause accidents,but operating factor and equipment factor are the mainly reason: 1)operating factor a. unsuitable lifting way to cause unhooking or swing of heavy goods. b.disobeying the operating rules,such as lifting with overload,or someone works in dangerous area etc. c.wrong command, and inconsistent action etc. 2 ...
15
July
Extruding, striking, hooking and hanging, falling, derailing, collapsing, tilting, fracturing and getting an electric shock etc. are the common accidents of the hoist machinery. Such as the goods gets off from the hook ,the rope fractures , the lifting goods strikes workers, the rope hurts people, the crane slides ,and the crane falls down from upp ...
14
July
ZZHZ has very rich experience of producing gantry crane, therefore it gives some advice to operate the electrical system safely: 1. When the gantry crane runs abnormally, the operator must stop the machine to look for the reasons, and remove the faults. 2. When the faults of electric system occur which need to be checked and repaired, the operator ...
12
July
Bridge girder launcher is made up of main girder, lifting trolley, front auxiliary legs, front legs, middle legs, rear legs, middle auxiliary legs ,rear bracket,electrical system and hydraulic system etc. （1）main girder and guiding girder Main girder and guiding girder are made up by front guiding girder,bearing girder and front,middle and rear ...
11
July
The overhead crane is a hoisting machinery for lifting a variety of objects which is hung on the above space of the workshop, warehouse or the open yard. It is usually referred to the EOT crane too. The following is a summary on the safety operation of the overhead crane. 1, The requirements for the driver a, Steady. In the operating process, the d ...
10
July
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 axis of crane beam. 2. When paving the rails, the inaccuracy of actual centerline of rail and steel girder sh ...
Products Categories
- Gantry Crane
- Bridge Girder Launcher
- Movable Support System
- Overhead Crane
- Shotcreting Machine
- Cinder Scraper
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