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2019年3月27日星期三

FEM/DIN Double Girder Overhead Crane / Weihua Crane

FEM/DIN standard double girder overhead crane is designed and manufactured with European standard. The lifting capacity of this FEM/DIN double standard overhead crane can be up to 800t. The trolley is installed between two main girders. Thus it increases the traveling scope of spreader. This crane is with reliable performance, flexible application range, easy to operate and convenient to maintain.

FEM/DIN standard double girder overhead crane
FEM/DIN standard double girder overhead crane


Lightweight and Modular Design:
1. Overall height is 20%~25% lower than traditional cranes;
2. Self-weight is lighter by 20%~30%;
3. Max wheel load reduces 15%~20%;
4. Smaller limiting size increases working scope;
5. Light structure reduces the cost of workshops;
6. Every component designed to be a standard series and interchangeable;
7. Modularization design is easy for transporting;
8. Standard modular design makes good quality and fast delivery.

Advanced Manufacturing Technology:
1. Sandblast pretreatment on steel plates and the surface quality reaches Sa2.5;
2. CNC cutting machine cuts webs plate to insure the curved surface is smooth and accurate;
3. Seams are soldered by automatic arc welding and detected by ultrasonic and X-ray ;
4. The structure of girder and trolley is manufactured by floor-type boring lathe to insure flatness.



Safety:
1. Safety supervision system is with an overload limiter and shows the load value on screen to warn operator to avoid overload;
2. Before start up, the whole system will carry out self-checking includes: power supply voltage, default phase, validity of the safe protection device and the zero button;

High Reliability:
1. Use imported motor with insulation grade of F and protection degree of IP54. With overheat alarm. The motor is shielded by aluminum alloy stretching cover with good heat dissipation performance;
2. Imported reducer from Germany. hardened gears with good bearing capacity, excellent seal without penetration of grease;
3. Main electric components imported from international brands such as: Siemens, Schneider and ABB etc. with protection degree not lower than IP54;
4. Wheels are forged by 65mn alloy steel with features of wear-proof, anti-fatigue and long service life.
5. Low energy consumption and maintenance free;
6. Whole crane energy saving about 30%;
7. All-in-one transmission mechanism making it work more efficient;
8. Variable frequency control whose high and low rotating speed ratio is 1:10 and work efficiency increases more than 20%;
9. Less and easy maintenance reduces the cost of maintenance;
10. Manufactured by advanced technology and constituted by high quality imported components greatly reducing malfunction and cost;
Email: weihua@craneweihua.com 

Double Girder Overhead Crane with Grab / Weihua Crane

Double girder overhead crane with grab consists of girders, crane traveling mechanism, trolley, electric system and grab. Double girder overhead crane with grab is widely used in power stations, warehouses, workshops and ports to grab or lift bulk materials. The lifting capacity includes the weight of grab and the grab opening direction is parallel or vertical to the main girders.

Double Girder Overhead Crane With Grab
Double Girder Overhead Crane With Grab

1. Double girders, box-type shaped by wielding, and the camber degree meets China standard;
2. Adopt high quality carbon steel Q235B and Q345B;
3. Efficient brake, long service life;

Electric System:
1. Safety slide contact line or angle slide contact line;
2. Trolley power supply through flat cable;
3. Traveling smoothly and beautiful exterior;



Protection Devices:
1. Rain covers for lifting mechanism, motor box and drive system outdoors;
2. Anti-collision device, sound and light alarm device;

Control System:
1. Handle control;
2. Cab control can be customized according users' needs with intermediate working level;
3. The cab can be open or close style installed left or right;
4. Entrance of cab: side entrance, end entrance and top entrance.
Email: weihua@craneweihua.com

2019年3月20日星期三

Double Girder Overhead Crane with Electric Hoist | Weihua Crane

This double girder overhead crane with electric hoist is for lifting 5t~50t stuff. It's very convenient to install in new or existing workshops. This crane is easy to operate with various functions. With the advantages of compact structure, light weight and high lifting height, double girder overhead crane with electric hoist is widely used in workshops, metallurgy, warehouses and assembly shops etc.




Weihua double girder overhead crane with electric hoist has beautiful box-typed welded main girders. Computer optimized design for main girders with good performance and light weight. And the span reaches 40 meters.




Mechanism:
1. Double main girders, box-type shaped by wielding;
2. High quality carbon steel Q235B and Q345B;
3. Double girder connected by high strength screws;
4. Welding seams are tested by X-ray and ultrasound;
5. Forged wheels;
6. Compact structure, small volume and light weight trolley;
7. Lifting mechanism is open type winch trolley;
8. Compact reducer motor drive, step less control, hardened gears and safety disc brake;
9. Good operation performance, step less speed regulating and running smoothly;
10. Main girders Shot blasting sa2.5 after welding to release internal stresses;

11. Painting high quality epoxy zinc-rich primer, and the thickness of oil film is 140μm;
 http://www.weihuacraneglobal.com/product/Overhead-Crane-with-Electric-Hoist--Double-Girder-Overhead-Crane.html
Email: weihua@craneweihua.com

Nuclear Power Plant Crane | Weihua Crane

Weihua provides special cranes for special industry use. The crane for nuclear power is mainly used in nuclear power plant for nuclear power plant construction and nuclear power daily working. It can be used to lift the Steam Generator and Reactor pressure vessel during the nuclear power plant construction. It also employed to handle Pressure vessel top cover, pressing unit, basket, and spent fuel containers during daily working of nuclear power plant.

Stainless Overhead Crane for Nuclear Power Plant

Nuclear power crane can be remote control. It is designed with single fault protection and multiple redundancy protection. Every drive mechanism has enough Starting torque to ensure safety running in case of one-side bearing Max. wheel load. Enough Strength calculation of components and enough protection measures for crane structures. Accurate (±5mm) positioning for trolleys and hoist beam. There is 3d positioning display system for ring rail crane to display the exact position of the hook.


 Overhead Crane on Ring Structure in Nuclear Power Plant

Nuclear Power Crane Types:
1. Spent fuel container crane;
2. Conventional island main crane;
3. Remote control and NC crane;
4. Nuclear auxiliary crane;
5. Ring Rail Crane.

http://www.weihuacraneglobal.com/product/Nuclear-Power-Crane.html
Email: weihua@craneweihua.com

2019年3月6日星期三

LDZ Single Girder Overhead Crane with Grab / Weihua Crane

This single girder overhead crane with grab is usually used to grab and lift common materials with work duty not more than A4. Lifting capacity: 10t;
Span: 7.5m ~ 22.5m;
Working temperature: -20℃ ~ 40℃;
Relative humidity ≦ 85%.
Working materiel density: 0.6 ~ 2.9 t/m³
Volume of grabs: 0.75m³, 1m³, 1.5m³and 2.5m³.

single girder overhead crane with grab
single girder overhead crane with grab
Email: weihua@craneweihua.com



LDY Single Girder Overhead Crane for Metallurgy / Weihua Crane

LDY Single girder overhead crane is mainly used for lifting molten metal and foundries in metallurgy. The lifting hoist is YH metallurgy wire-rope electric hoist with lifting capacity reaching 10t.

LDY Single girder overhead crane
LDY Single girder overhead crane

The bottom of main girder adopts special heat-insulation treatment with working environment temperature ﹣10℃~﹢60℃, and relative humidity ≤ 50%( 40℃). Design and manufacture meet the requirements of AQSIQ Doc # (2007)375.



This LDY single girder metallurgy overhead crane can be also employed to lift non-molten metal and high temperature solid metal. 
Email: weihua@craneweihua.com