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Ship Unloader, Grab Ship Unloader, Bridge Type Ship Unloader manufacturer / supplier in China, offering 2000th Bridge Grab Ship Unloader, 12cbm Single Rope Radio Remote Control Grab for Marine Crane 25ton, 25t Single Rope Remote Control Grabber 6-12 Cbm and so on.

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Supplier Homepage Product Harbor shore cranes 2000th Bridge Grab Ship Unloader

2000th Bridge Grab Ship Unloader

Purchase Qty.:
1 2+
FOB Unit Price: US $50,000 US $30,000
Purchase Qty. (Pieces) FOB Unit Price
1 US $50,000
2+ US $30,000
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Port: Shanghai, China
Production Capacity: 12 Set /Year
Payment Terms: L/C, T/T, D/P, Western Union, Paypal, Money Gram

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Basic Info
  • Model NO.: GBM-JS-023
  • Transport Package: Nude
  • Origin: Shanghai, Jiangsu, China
  • Trademark: GBM
  • Specification: 650T
  • HS Code: 84261921
Product Description
Chain Bucket Ship Unloader Continuous Met Coke Coal Ship Unloader Iron Ore Ship Unloader

Advantages of grab-type ship unloader
Grab Type Ship unloader using mechanical differential trolley grab unloading technology of advanced technology, high speed, high efficiency, widely used in large, medium and small coal or ore ship unloading or power plant dock ship unloading operations. According to the terminal planning, job type and other requirements to design the different needs of the ship unloading machine.
2000th Bridge Grab Ship Unloader
2000th Bridge Grab Ship Unloader
Grab ship unloader is simple, stable and reliable work, simple operation,  low maintenance cost.

2000th Bridge Grab Ship Unloader
Design, ship unloader manufacturing, installation and commissioning shall comply with the following standards (latest version) or by the manufacturer and the approved by the employer with the same level of other standards.
Design criteria and specifications to be used:

International Standardization Organization standard ISO
International Electrical Commission Standard IEC
European Transport Engineering Association standard FEM
American Gear Association standard AGMA
American Welding Society Standard AWS
American Society for material testing standards ASTM
Swedish industrial standard SIS
China national standard GB

Electric system of ship unloading machine

The main electrical equipment components, such as electrical transmission system and electric control system components, should choose foreign well-known manufacturers of the products (such as: ABB, SIEMEN or Schneider products), and subject to the final confirmation by the tenderer and electrical integration with Wuhan Gangdi Electric Co. ltd..

2000th Bridge Grab Ship Unloader

In addition, electrical components and other electrical equipment including: device protection and control, surveillance, detection of all system components (including software) and the tender side that must introduce the parts and materials must be famous manufacturers of domestic production of original products, and shall be subject to approval of bidding. High voltage system includes: high voltage switch cabinet, transformer, the use of China's domestic manufacturing ABB, SIEMENS components of the domestic complete sets of products. Transformer using dry transformer, the use of electrical and electric, Shunde substation, Tin Shui products.

Structure calculation of ship unloading machine

All metal structure (including but not limited to, after the front girder girder, trapezoidal frame, rod system, hinge shaft system, frame, chassis, track, room structure, cable rack mounted in gold bearing structure of tendons and other agencies); finite element calculation of metal structure, should consider the various conditions of unloading the machine in the calculation of discharge system; design and calculation; the calculation of main trolley structure and design review in the user may be required.

2000th Bridge Grab Ship Unloader
2000th Bridge Grab Ship Unloader
Excessive heat generation at anti-friction bearingsNo lubrication or  lack of lubricant
Contamination in bearings
Add grease to sufficient amount
Clear  up the bearings with kerosene and grease then
Increased noise level during bearing operationPoor fitting up, bearing declined or excessively tightened and thus jammed.
Any parts damaged or worn out in the bearings
Check installation and adjustment.
Replace bearings.
Periodic chattering noise in the reducer, more notable at idle gear.Excessive error of teeth pitch, clearance at tooth blank exceeds standard value.Make good and reassemble.
Severe metal rubbing sound in the reducer and "Ding-dong" sound of reducer  vibrationToo small clearance of gearing, misalignment of the gear wheel with center line, sharp edge at the teeth tips, uneven tooth face  due to wear (minor groove and convex)Make good and reassemble or replace.
Continuous, non-uniform knocking during gear meshing heard from any point on the reducer casing and vibration can be felt.Defects on tooth flank (laminated structure).Replace

2000th Bridge Grab Type Continuous Grab Coal Ship Unloader bulk Coal Unloader 

Severe sag of the girder affecting normal travelling (trolley and gantry).Improper shipping and storage
Frequent overloading operation
Make shipment and storage properly as required
Operate reasonably as specified
Check for severe sag
Cracks at welds of essential portions of structural membersLocal stress concentration
Severe vibration (alternate operation in normal and reverse  direction)
Frequent overload
Check structure 1~2 times per year
Carry out load test once every two year and safety qualification shall be made.

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