05
July
Walking bridge girder launcher is made up of main girder, lifting trolley, front legs, middle legs, rear legs, rear bracket ,electrical system and hydraulic system etc. 1)Main girder The main girder and guiding girder is made up of bearing girder , front and rear connecting frames. Front and rear connecting frames are made up of transverse girder, ...
04
July
During the daily hoisting operations, some common accidents include decoupling to hit man, the steel rope fracture, hoisted objects, tackle smashing people and rollover, falling and hoisting over the winch, the lifting machine inadvertently shock the high-voltage parts. The reason for these accidents is a wide range, however mainly include the oper ...
03
July
1、Application range and use of bridge girder launcher: It is mainly used for lifting of concrete girder in bridge construction of general railway and highway. 2、Main features and advantages of product: After researching and analyzing current highway bridge construction machine at home and abroad, combining with our successful experience, we dev ...
02
July
a. the bridge girder launcher mainly uses Q235B steels: the butt welds of cover board and web board, the outer lead weld of cover board and web board adopts Lincoln weld, other welds use CO2 gas shielded welding; welding material: welding rod of Lincoln weld H08A, and HJ431; welding rod of CO2 gas shielded welding: ER50-6; the electrode of tack wel ...
25
June
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 ...
24
June
HZQ32/165T bridge girder launcher(zzhz.com) is designed for highway and railway. According to the situation of present railway with less sub grade, more bridges and tunnels which connected too closely, our company learn from advantages of other launchers at home and abroad and close the gap, after amend the drawings many times, ZZHZ(zzhz.com)design ...
22
June
The maintenance on the overhead crane is always an important issue which a lot of customers pay great emphasis on. However how to carry the correct maintenance is crucial. The overhead crane is a kind of commonly used equipment in the workshop. In order to guarantee that the machine can work and run normally, the regular inspections and maintenance ...
21
June
a. the bridge girder launcher mainly uses Q235B steels: the butt welds of cover board and web board, the outer lead weld of cover board and web board adopts Lincoln weld, other welds use CO2 gas shielded welding; welding material: welding rod of Lincoln weld H08A, and HJ431; welding rod of CO2 gas shielded welding: ER50-6; the electrode of tack wel ...
20
June
When an enterprise is selecting the lifting crane, not only the hoisted objects but also the actual requirements should be taken into consideration comprehensively. In this way, we can save the cost and guarantee the successful operation. However how to select the crane? The technicians from ZZHZ will give some suggestions to the customer on this i ...
19
June
ZZHZ is a professional manufacturer for producing gantry crane. It is widely used in project construction. The design of its structure is reasonable, dismantle conveniently, high reliable and safe and various classification, which can meet the requirements of customers and get very good feedback. 1. main girder a. single girder gantry crane Its str ...
18
June
1、Application range and use of bridge girder launcher: It is mainly used for lifting of concrete girder in bridge construction of general railway and highway. 2、Main features and advantages of product: After researching and analyzing current highway bridge construction machine at home and abroad, combining with our successful experience, we dev ...
17
June
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 ...
15
June
1、Application range and use of bridge girder launcher: It is mainly used for lifting of concrete girder in bridge construction of general railway and highway. 2、Main features and advantages of product: After researching and analyzing current highway bridge construction machine at home and abroad, combining with our successful experience, we dev ...
14
June
ZZHZ has very rich experience of producing bridge girder launcher, therefore, it can give ussome advice about the safety guarantee measures: 1. Safety measures for longitudinally moving girder Thoroughly check bridge construction machine and rail before longitudinally moving girder. If there is a problem, solves it at once. Observe stress condition ...
13
June
In order to effectively prevent, control and eliminate the damages by the sudden accidents happening in the bridge-erection process, reduce the losses by the accidents to the large extent, maintain the social and enterprise business interest, protect the personnel and property security, we should develop a series of management measures aiming to th ...
08
June
Generally speaking, the lifting injuries include extruded, falls, falling heavy objects, collapsed, broken, overturned, electric shock, impact accidents. Each accident is related to its working environment, which were caused by the human factors, or by the defective equipment, also by the both of them. 1, The prevention for the extrusion accidents ...
07
June
1, While booting the machine, prohibit operating without opening the cooler. 2, Forbid the hydraulic oil overflow under the high pressure condition. The overflowing under the high pressure condition is an important reason for the excessive temperature rising which is due to the unskilled operation by the operator. The mainly cause is that the opera ...
06
June
1, If the unusual phenomena occur while the machine is working, stop it immediately and find the faults. Eliminate the hidden danger and make sure that the machine works without faults. 2, When there is something wrong about the electrical system and maintain it, cut off the power supply and forbid operating with the electricity. 3, Any fault about ...
05
June
The overhead crane is the hoisting equipment which was installed on the upper rails in the workshop, warehouse and material yards. Because of its both sides located in the concrete support leg or steel structure, it looks like a bridge. The overhead crane travels along the rails to hoist the materials, not be influenced by the objects on the ground ...
04
June
The steel structure is the basic component which is made up of connecting the steel plate and section steel, such as beam, pillar and truss. After delivering to the construction site, to join and install it accomplish the overall steel structure. The joining procedure plays an important role in the steel structure which will directly impact the ins ...