20 Ton Gantry Crane 40m Span Cabin Control 15M / MIN

Brand Name:Dowellcrane
Certification:ISO CE BV CCC GOST SGS
Model Number:MG
Minimum Order Quantity:1 Set
Delivery Time:35 work days
Payment Terms:L/C, T/T, Western Union
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Location: Xinxiang Henan China
Address: Economic Development Area, XinXiang city, Henan province, China.
Supplier`s last login times: within 31 hours
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Direct Selling Special discount of 20% 20 ton gantry crane


20 ton gantry crane Description


Gantry crane (also known as gantry crane) is a bridge crane supported on the ground track by two side legs. In structure, it is composed of portal frame, cart running mechanism, lifting trolley and electric part. Some gantry cranes only have outriggers on one side, while the other side supports on the workshop or trestle, which is called semi-gantry crane. The upper part of the gantry frame of a gantry crane (including the main girder and end girder), the supporting legs, the lower cross beam, etc., is composed of the upper part of the gantry frame of the gantry crane. In order to expand the scope of crane operation, the main girder can extend beyond the outriggers to one or both sides to form a cantilever. Lifting trolley with boom can also be used to expand the scope of crane operation by pitching and rotating the boom.


20 ton gantry crane Technical Parameters


Loading capacity
5 ~ 100t
Lifting height
6 ~ 30 m or customized
Lifting speed
Vary with lifting capacity, or customized.
Span
10.5~31.5 m
Lifting mechanism
Wire rope hoist or electric chain hoist
Working class
A5-A8
Working temperature
-20 ~ 40°
Power supply
AC-3Phase-220//230380/400/415/440V-50/60Hz
Control voltage
DC -36 / 48V
Motor protection class
IP54, IP55, IP65
Control way
Cabin, wireless remote, pendant push button
Safety device
Buffer,current overload protection,overload device,power failure protection
Application area
Factory,workshop,warehouse,power station,logstic,etc.

Safety devices of 20 ton gantry crane


1.Steel structure: Q235B/Q345B carbon structural steel with seamless once forming technology more strong and elegant. Suitable for different operation temperature;
2. Lifting mechanism: Reducer, drum, motors protection class F class, China or World top quality motor brands, such as Jiamusi, Nanjing motor, ABM, etc;
3. Hook: Finest steel forged hook, long using life;
4. Wheels: Vacuum casting, with compact structure, convenient maintenance, high transmission efficiency and long service life;
5. Travel mechanism: With China or world famous crane motor, reducer supplier, such as Nanjing motor, SEW etc;
6. Electrics: Chint, Schneider or Siemens etc.


20 ton gantry crane Schematic drawing


Main features


1. good stability, high efficiency, safety and reliability;
2. Low deflection and high stiffness;
3. Variable span convenient adjustment and convenient operation;
4. Unique pin connection, firm and reliable, easy to install;
5. A-type fracture surface, continuous girder with low center of gravity, convenient and reliable;
6. The machine can accomplish the build of girders with carrying and erection at the same time.


Safety devices


1. Overload Limiter; Limit Switch (Lifting and Traveling); Short-circuit protection.
2. Interlock protection device; Under-voltage protection; Buffer; Zero protection.
3. Rail tongs, Anchor device and Motor overload protection.
4. Rail clear plate and emergency stop system.
5. Protective cover and current overload protection system.
6. Bus Bar prevent plate and security chain protection.
7. Anti-collision device and ground protection.

Our Service


1. We have a professional sales team,can privede u a quick and professional reply.
2. Exclusive engineer support at any time, so we can design within 24 hours.
3. 2 year warranty for whole machines, providing all parts free of charge.
4. Low charge for continue maintenance when warranty is expired.
5. c an produce the largest tonnage crane,just give us your demand.
6. We can provide free training to end-users, don't worry about the installation.

Inquiry notice ! ! !


If you want to inquire about our gantry crane, please confirm with us the details as below. Then we will quote you a suitable price more quickly.

1. Lift capacity?
2. Span?
3. Lift height?
4. Power supply in your local?
5. Nearest port?
6. What kind of goods will this crane lift?


China 20 Ton Gantry Crane 40m Span Cabin Control 15M / MIN supplier

20 Ton Gantry Crane 40m Span Cabin Control 15M / MIN

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