European Double Girder Overhead Crane
European Double Girder Overhead Crane is based on modular design theory and modern computer technology, using new materials, new technology completed new bridge crane with high degree of commonality, intelligence and high-tech.
European Double Girder Overhead Crane design and manufacture in strict accordance with FEM and DIN standard. It is with compact structure, large operating range, using holistic processing, with high precision. Hoisting mechanism including two forms: winch trolley and electric hoist trolley. Using hardened three-in-one motor, reducer, with compact layout and smooth operation. Particularly suitable for large-tonnage precious objects lifting and handling in position.
European Double Girder Overhead Crane has the following advantages compared with the traditional crane:
1. Low height, light weight; small hook limit, large operating range.
Compared with general type bridge crane, crane weight reduced by 15% to 30%, wheel pressure reduced by 15% to 30%, crane height reduced by 20 ~ 30%, which greatly reduces the cost of the plant.
Trolley with compact design, can achieve smaller upper, left and right limits of the hook, greatly increasing the hook work scope.
2. Selection of high-quality components, less maintenance work; mechanisms take finite element analysis, which is safe and reliable.
The crane adopts three-in-one hardened motor and reducer, using steel rolled overall annealing treatment drum group, use of 65Mn forged wheel set, using engineering towline conductive, and crane operation is more safe and efficient.
Steel structure take finite element analysis, to ensure that the crane with lightweight structure, safe and reliable.
Each transmission mechanism adopts direct coupling type, reducing transmission links and failure points, improve transmission efficiency, reduce crane energy consumption.
4. Overall Processing, High precision.
Forged wheel set, machining boring assembly.
Overall processing trolley frame after welding, with small welding distortion and high assembly precision.
Overall processing end beams after welding, with small welding deformation and high assembly precision, which will help overhaul.
5. Frequency control, smooth start and braking; hook can adopt anti-sway technology, safer lifting.
All mechanisms using frequency control, smoothly start and braking without impact, increasing security of crane operation and improve productivity.
Electrical anti-sway function can be selected: no swing while hoisting object, precise positioning and automatic reset, improve work efficiency and safety.
European style double girder crane with high drive efficient, safe and reliable, smooth operation and precise control, it is your best choice.
Weihua Crane is professional material handling equipment manufacturer and servicer with largest production in global. Provide you with overhead crane, gantry crane, electric hoist, etc. of safe, reliable and efficient crane solutions and services.
European Double Girder Overhead Crane mainly consists of bridge, crane traveling, trolley, driver’s cabin and electrical equipment.
Trolley frame, crane end beams and wheel assembly supporting surface adopt overall processing, to ensure that each wheel traveling as a united whole, with high precision of assembly, stable operation, and the wheel set can replaced very convenient, with advanced technology.
Ground operation: press the button on the handle to control all crane mechanisms movements.
Remote control: control crane appropriate mechanism movements by industrial remote control.
Cabin Operation: linkage station of driver’s cabin to control operation of all mechanisms.
Driver’s cabin using new "space cabin" type, window use tempered glass of which thickness not less than 6mm. There is linkage control system, linkage table connected design with chairs, it is easy operation. All the cables linking use of heavy-duty air outlet, ensure tightness and joint strength. All the signs in cabin are clear.
To prevent corrosion during manufacturing process, pretreatment on the plate - sandblasting rust (rust grade Sa2.5 level, the degree of roughness EZ40-80 micron) and spraying epoxy zinc-rich primer pre-production, effective prevent corrosion during manufacturing process. After welding inspection, the whole crane will be painted with two primer coat, one middle paint, two finishing coat, the total thickness of the paint film to reach 75 ~ 140μm.
Safety protection system
Main and auxiliary lifting mechanism of the crane are both equipped with overload limiter. When the load reaches 90% of rated load, issued of suggestive alarm signal; when lifting weight reaches more than 105% of rated load, it will automatically and immediately cut off the lifting power source, and issued prohibitory alarm signal. Crane main equipped with analog tonnage display instrument.
According to crane mechanical safety rules, each exposed wounding dangerous rotating parts have to be set up with shields, and wire rope anti-pumping device. Shield in the form of detachable safety cover.
Platforms, walkways and ladders set up to facilitate the operator's maintenance and inspection. Ladders step, outdoor platform and walkway should be skip resistance, walkway, platform and ladder width not less than 500mm, walkway using tread plate.
Crane installed with lifting height limiter and traveling stroke limiter, through electric control to achieve security protection for traveling stroke and locations.
Install cushioning device on crane to buffer crane operation braking kinetic inertia. While installed stop devices on the limit position of each crane operating mechanism to prevent the risk when crane runs exceeds the limit position.
Install rail sweep on crane to clean up debris on the rail, to prevent dangerous such as derailment caused by debris on the track. Rail sweep board is 10mm away from the track surface.
Set electrical interlock protection system in the crane railing door, cut off the supply power of which mechanism movement is dangerous for personnel.
European Double Girder Overhead Crane electrical part installed with phase lack protection, wrong phase protection, low-voltage and overvoltage protection, short circuit protection, overcurrent protection, overload protection, ground fault protection and other electrical protection, sound and light alarm, to ensure crane operation under stable and safe conditions.
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