How many people can you get on the hook?
Tue, 28/10/14 – 8:33 | No Comment

A reader has sent us a video clip of part of the opening ceremony at this year’s Nanjing Youth Olympics, which involved a large mobile crane. The video has to be seen to be believed.

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Mountain climbing crawler
Mon, 27/10/14 – 8:33 | No Comment

Swiss rental company Clausen Kran has driven its new 60 tonne Liebherr LTR 1060 telescopic crawler crane to the top of an Alpine mountain to work on the one of the highest railway tunnels in the Alps.

The crane had to travel almost a kilometre on gravel tracks, negotiating tight bends and gradients of up to 40 percent to the reach the 2,020 metre high site – a tunnel on the Gornergrat railway in Zermatt. The second-highest mountain railway in Europe, the tunnel is being extended to allow a downhill ski run to pass over the tunnel so that in the future it can stage FIS skiing events.

Mountain Crawler A
The road up to Zermatt had other challenges including low bridges

Mountain Crawler B

In Zermatt the crane and truck crossed a small bridge independently

Clausen is used to working with cranes in high Alpine terrain but the challenges for this job were such that it called on the Liebherr engineering team for assistance.

The overall centre of gravity of the machine was calculated to ensure that it would not overturn, and would remain manoeuvrable when travelling around the bends and up the gradients. The results showed that the LTR 1060 would be able to travel along the route without ballast and a gross weight of 38 tonnes with the boom at an angle of 20 degrees. In addition the hook block had to be secured to prevent it swinging.

The crane was moved by low loader through Zermatt in the early morning – a challenge in itself – involving the crossing of a small bridge. The LTR 1060 was unloaded just before reaching the crossing and the two vehicles were then driven across the bridge individually. The LTR 1060 was then reloaded and taken as far as the truck could go, reaching an altitude of 1,840 metres.

At this point company owner Geri Clausen himself got into the crane cab and began the two-hour journey up the mountain. The final few meters had to be driven in reverse to enable the crane to access the site more easily.

Mountain Crawler E
And included tight bends

Another challenge was the danger of overheating the transmission and rollers due to the high loads imposed by the long, steep route. Liebherr’s general manager of engineering, Hans-Dieter Willim, visited the site himself to check the temperature of the critical components with a thermal camera. Having spoken with the Liebherr team that designed and manufactured the transmission, he decided to reduce the oil level slightly in the gearboxes to reduce splash losses. The temperatures remained well below the maximum values.

Mountain Crawler F

Finally on top of the world with a view of the Matterhorn

Clausen said: “We have lots of sites where this highly maneuverable crane is simply perfect.”

Author; Unknown

Source:

http://www.vertikal.net/en/news/story/21303/

What Can a Crane Pick Up?
Fri, 24/10/14 – 8:29 | No Comment
What Can a Crane Pick Up?

We came across this short promotional video for a children’s book on cranes. It is so charming we felt it ought to go into the video library.

Tower crane compromised
Wed, 22/10/14 – 8:14 | No Comment
Tower crane compromised

Around 100 people were evacuated from their homes yesterday in the Evere suburb of Brussels, Belgium, after the foundation of a newly erected tower crane was seriously compromised.

New Tier 4 Hitachi
Tue, 21/10/14 – 11:16 | No Comment
New Tier 4 Hitachi

Hitachi Sumitomo is preparing to launch its new 80 tonne SCX800A-3 crawler crane, with a low emissions Tier IV power unit. The first two units destined for Europe have been ordered by NRC Plant – Hitachi Sumitomo’s distributor for the UK.

Crane tip in New Zealand.
Tue, 14/10/14 – 8:19 | No Comment
Crane tip in New Zealand.

An overturned mobile crane closed down a construction site this morning in Christchurch, New Zealand.

Bridge build for Sennebogen
Thu, 9/10/14 – 9:18 | No Comment
Bridge build for Sennebogen

Russian construction company BaltMostStroy used its Sennebogen 7700 crawler crane to help build an 800 metre bridge in Russia.

Tower death wish
Fri, 3/10/14 – 8:06 | No Comment
Tower death wish

Spotted earlier this week in Kickburton, near Huddersfield, two builders with a scaffold tower arrangement that completely ignores any safety measures.

Contractor faces $168,000 fine
Thu, 25/09/14 – 8:02 | No Comment
Contractor faces $168,000 fine

Boston based electrical contractor Mass Bay Electrical Corporation is facing a $168,000 fine following the fatal overturn of a truck crane.

Floating forward
Fri, 12/09/14 – 9:53 | No Comment
Floating forward

The use of floating cranes, automation technology and heavy lift cranes that can turn any port into a heavy lift port are having a major impact on the way that dockside lifting is being carried out.

All terrains ready for the world
Thu, 11/09/14 – 8:37 | No Comment
All terrains ready for the world

Different requirements around the world are influencing the design of all terrain cranes.

Another bridge bashed
Tue, 9/09/14 – 7:59 | No Comment
Another bridge bashed

A driver who forgot to stow his loader crane was injured yesterday near Murten (Morat) Switzerland after he struck a bridge on the A1 highway to the west of Berne.