What are Main Technical Parameters for HZP450t Segmental Assembly Bridge Girder Launching Gantry?
working steps for standard span
segmental assembly bridge girder launching gantry
Main technical parameters
| No. | Item | Technical parameters |
| 1 | Max lifting capacity | 50t |
| 2 | Lifting height | 25m |
| 3 | Span | 30m |
| 4 | The whole machine working level | A3 |
| 5 | Longitudinal slope | ±2.0% |
| 6 | Lateral slope | ±2.0% |
| 7 | Min curve radius at working | 2500m |
| 8 | Girder-feeding method | Finish girder-feeding on the bridge floor at rear part and lower part of the launching girder |
| 9 | Applicable segment length | (7-9)m |
| 10 | Segment height/width | 1.7m×3.25m |
| 11 | Max segment weight(without spreader) | 43t |
| 12 | Max lateral moving speed of launching girder | 0-0.5m/min |
| 13 | Longitudinal moving speed of launching girder | 0-1.0m/min |
| 14 | Spreader rotation | 360° |
| Spreader cross adjustment degree | ±4% | |
| Spreader longitudinal adjustment degree | ±4% | |
| 15 | Lifting trolley number | 1 |
| Cross adjustment distance | ±0.9m | |
| Lateral moving speed | 0～1.0m/min | |
| Longitudinal moving speed | 0～15m/min | |
| 16 | Main girder number/length | 2/36m |
| 17 | Auxiliary front leg number | 1 |
| 18 | Front leg number | 1 |
| 19 | Rear leg number | 1 |
| 20 | Auxiliary rear leg number | 1 |
| 21 | 10t auxiliary trolley number | 1 |
| 22 | Out dimension of launching girder at working (length x width x height) | 65×9m×13m |
| 23 | Total power | AC/380V/ 3-phase,5 wires,about 220kw |
| 24 | Total weight | About 550t |
What are Sales of Movable Scaffolding System Made in ZZHZ?
ZZHZ is China leading manufacturer of bridge construction equipments such as launching girder and movable scaffolding system. All of them enjoy a good reputation from customers. Here I attach some sales of movable scaffolding system made in ZZHZ, for your reference:
movable scaffolding system
What are Construction Precautions for MSS660 Movable Scaffolding System?
Movable scaffolding system
1 Walkway for steel box girder of formwork at two sides is reinforced concrete walkway which not only bears load from workers, but also work as weights, 22t at each side, counterweights are set uniformly along 36m steel box girder
What are Purposes and Working Conditions for HZQ900T Bridge Construction Equipment?
HZQ900T bridge construction equipment is designed and produced by ZZHZ to better adapt? to high speed railway bridge construction, featuring safe, reliable and convenient operation and installation. Whereas it can work well in the below conditions:
HZQ900T bridge construction equipment
What?re features of HZQ900 bridge girder launcher?
HZQ900 bridge girder launcher is designed and developed aiming to the characteristics of the various girder types, the heavy lifting capacity, the high erecting precision,applicable to different spans and curved bridge . And it has below features:
HZQ900T bridge girder launcher
What are Analysis for Bridge Construction Crane Accident?
As a professional manufacturer and seller of bridge construction crane? in China, ZZHZ has witnessed many tragedies: devastating accidents caused by the derail and overturn of the bridge girder launcher. Once it happens, the repair will not only cost a long time and a lot of money, but seriously affect the progress of bridge construction and rail construction. With a rapid development of high speed railway, bridge girder launcher will be used more frequently, if there happens an accident, there will have bigger losses and casualties
bridge crane
What is the primary purpose to maintain the launching girder?
After a long time operation of the launching girder, there will have some inevitable phenomena such as abrasion of parts, looseness of connecting parts, oil deterioration, metal structure corrosion and others, which thus cause a reduction of technical, economic and safe property. So primary purposes to maintain the launching girder are as the followings:
- ensure good technical property of launching girder, make all systems work normally, improve serviceability rate and use rate;
- ensure good service ability of launching girder, strengthen the protection of structural members, keep firm connection and normal working of electrical and hydraulic elements, avoid abnormal vibration caused by electrical and mechanical factors, meet the demand of normal use;
- ensure the safe operation of launching girder
- be in accordance with related environmental protection standards stipulated by the country and departments
- lengthen the service life of launching girder effectively and properly, and extend maintenance intervals, including overhaul period to prolong service life of launching girder
To sum up, it is crucial to maintain the launching girder regularly and scientifically.
What is Overview of Hydraulic System of MSS660 Movable Scaffolding System?
- ? Overview
1.1?? Hydraulic system of 660t movable scaffolding system is special hydraulic equipment designed and fabricated for ZZHZ, the system uses hydraulic elements, auxiliary parts with high quality in domestic market, featuring compact structure, reliable quality, reasonable design, convenient maintenance and other advantages, be in accordance with technical demands in GB3766-87 General-purpose Technical Conditions for Hydraulic System.
Movable scaffolding system
What are Quality Warranty Measures for MSS660 Movable Scaffolding System?
Quality warranty check for MSS660 movable scaffolding system ensures the normal working of equipment after leaving factory, thus provide a guarantee for buyer”s convenience and save maintenance cost for sellers in the future, save unnecessary troubles for both buyers and sellers.
What is Main Structure of Single Girder Bridge Crane?
Purpose and structure
LD electric single girder bridge crane (the following says crane) is a kind of light lifting equipment, used with CD1?MD1 and other electric hoists, lifting capacity 1-20t, span 7.5-22.5m, working environment -25?~+40?, humidity ?84?. It works under the environment without fire, explosion and corrosive matters and it is prohibited to lift liquid metal, and toxic, flammable and explosive objects. Work duty: intermediate work system?JC25%?
LD single girder bridge crane
