Share on (62176332135):
Four-link type portal crane has been extensively applied to loading and unloading at port and materiel handing at dockyard and metallurgy industry, The main structures are composed of steel frame, lifting mechanism, luffing mechanism, slewing mechanism, crane travel mechanism spreader device (grab,container spreader, and hook and electrmangnetdisk), electrical equipment and other necessary equipments for safety. Steel structures include jib and A-frame, slewing platform and gantry frame.
Referenced standards: GB17495-1998 Harbor portal crane technical specifications, GB6067-85 liftequipments safety specification, GB3811-2008 crane design standards, ISO standards, FEM standards and JIS standards.
This kind portal crane is a mobile, full-revolving, and four-bar combined crane. Its arms and counter-weight are balanced. There are 2 types of portal frame: cylinder and four outriggers.
Portal crane devides into two types :
One is single-link portal crane, and the other is four-link portal crane.
Four-link portal crane
Four-link portal crane has been extensively applied to loading and unloading at port and materiel handing at dockyard and metallurgy industry, the mainstructures are composedof steel frame, lifting mechanism, luffing mechanism, slewing mechanism, traveling mechanism,spreader device (grab, container spreader, and hook and electric dist), electrical equipment
and other accessory equipments for safety.

Single-link portal crane
Single-link portal crane is a kind of hoisting machine especially used inport,harbour, dock, shipyard with small investment for loading and unloading front apron container, sundries and bulk cargo.It mainly includes the following units: crane strong steel frame, lifting mechanism,luffing mechanism, slewing mechanism, traveling mechanism.

Product Details

Technical parameters and structure chart
Four-bar linkage Type | |||
Load Capacity | 16t | 25t | 40t |
Working Range | 30m, 33m, 35m, 37m | 28m, 30m, 35m, 36m | 30m, 35m, 39m, 40m, 43m |
Wheel Dis. | 10.5m, 12m, 16m | 10.5m, 12m, 16m | 10.5m, 12m, 16m |
Lifting Speed | 60m/min | 55m/min | 50m/min |
Luffing speed | 50m/min | 50m/min | 45m/min |
Rotating Speed | 1.0~1.5r/min | 1.0~1.3r/min | 1.0~1.2r/min |
Traveling Speed | 26m/min | 26m/min | 26m/min |
Single Mast Type | ||
Load Capacity | 40t | 45t |
Working Range | 11~30m, 12~35m | 12~35m, 13~28m |
Wheel Dis. | 10.5m, 16m | 10.5m, 16m |
Lifting Speed | 25m/min | 25m/min |
Luffing speed | 25m/min | 25m/min |
Rotating Speed | 0.8~1.0r/min | 0.8~1.0r/min |
Traveling Speed | 26m/min | 26m/min |


Single-link portal crane
Features
1. Quickened the turnover and the operation of loading and unloading.
2. High working efficiency, compact frame,
3. Calm movement, comfortable operation, safety and reliable.
4. Convenience maintenance, nice appearance and so on
5. Crane drive: IP54 or IP44, level F insulation
6. Especially suitable for the port lifting.
8. Designed according to your request.
Application
Four link type shipyard portal crane is a kind of hoisting machine especially used in port, with small investment and swiftness benefit for loading and unloading front apron container, sundries and bulk cargo, also used in materual handing dockyard, ship building and repairing yard, metalluygy industry.
Safety Device
To guarantee the normal operation of crane and avoid the personal casualty and mechanical damage, the safety device we provide are not only the electric protective devices or alarm bell but also other equipments as follows :
♦ Overload Limit Switch
♦ Rubber Buffers
♦ Electric Protective Devices
♦ Emergency Stop System
♦ Voltage Lower Protection Function
♦ Current Overload Protection System
♦ Rail Anchoring
♦ Lifting Height Limit Device

YunTian Group products meet the factory, workshop, port, mining, waste disposal, goods scattered, petrochemical, aerospace, military and other industries of universal bridge crane, overhead crane, eot crane, door crane, universal gantry crane, rubber tyre and rail mounted container gantry crane four link type portal crane, quayside container crane, crane, crane hook, mining grab crane, gantry crane, ship loader, grab bucket ship unloader, stacker reclaimer, dredger, mobile platforms and other types of hydraulic crane technical requirements.
Click Here to Fill Out Your Inquiry in The Text Box to Get The Latest Quotation

YunTian Group has a team of enthusiastic young people who treat every customer as their friend. Employees mutual help to service the customers from every detail. So you can get not only high quality products but personalized service.


“YunTian is a supplier worthy of cooperation!”
Oh, do we crack ourselves up?
NO! It's the customers' comments.
Thank you for your interests in YunTian Group. Please feel free to submit your inquiry information to us. We love to talk and are not afraid to discuss any question about your crane, Hydraulic platform, hoist, winch need. After your inquiry, our sales manager will contact with you as soon as possible.
Just send your inquiry in the textbox below!
New products from manufacturers at wholesale prices