Making Life Easier With Crane Hire
Making Life Easier With Crane Hire
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Construction can be a tricky business. People want things done now, done yesterday, with maximum speed and minimum disruption. They want the best building they can get but they don’t want to have their route home closed for weeks while the building is being built. They want the top stuff, the ultimate money can buy, but they don’t like spending money to get it. And they want to know why they’re being charged for that whacking great crane that seems to be sitting around all day doing nothing. With crane hire, at least, that’s one complaint they can’t make.
Hiring cranes of all types is frankly the only way to fly, if one is a building contractor. Why spend days messing around with a huge, unwieldy and really rather dangerous static crane (which takes forever to assemble and is extremely hairy while so doing), when one could simply hire a mobile crane to come in and do lifts as required? There’s really no answer to that question that doesn’t sound daft. Why indeed? Getting in a mobile crane for the days on which lifts are needed cuts down on build time (one doesn’t have to take three days off to build a crane, if one’s crane hire company is just going to drive a mobile unit in on a specified day and get everything done) and expense (one doesn’t have to pay daily for a static crane that isn’t being used). Hiring mobile cranes also frees up acres of site space – space that would otherwise have been choked by the makings and foundations of a static lifting gear.
That’s not the only space saved by hiring cranes. If one hires mobile cranes, one can work in situations that simply couldn’t have been managed, while using the standard static arrangement. Mobile cranes – and, therefore, mobile crane hire – let builders work in narrow streets, in awkward areas and in previously impossible to get to sites. The lifting gear on a mobile crane is pretty much as good as the boom arm on a static – but the vehicle it’s attached to can get practically anywhere. Modern mobile cranes, after all, are mounted on a bunch of movable axles – so they can turn from anywhere, get in anywhere, and manoeuvre anywhere once they are in.
Also: if a company chooses to go down the road of crane hire, they don’t need to worry about maintenance, inspection, MOT – all of the costly stuff that comes along with owning a crane. The hire company covers all that stuff – which means anyone who has hired a crane knows it will be in tip top condition when it’s delivered. It’s really the same thing as hiring a car, only on a much grander scale. Why risk driving an old banger the length of the country, paying a fortune in fuel and garage bills, when a hire car could do the same journey for less and in much greater comfort? Crane hire is, quite simply, the only logical way to build. No wonder the business is booming.
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How to design something that must be able to lift a load on a hoist i.e a crane?
Question by Milk: How to design something that must be able to lift a load on a hoist i.e a crane?
what things do you need to take into account?
Best answer:
Answer by ever vigilant
1. Safe maximum load capacity you desire.
#2. Counter balance and stabilization of the rig in all directions.
#3. Max height you intend to lift the load.
#4. Materials ultimate tensile strength (UTS) your making the rig out of. Along with the structural design.
#5. Hydraulic design required to lift the load. Sizes of pumps, lines, cylinders.
#6. Energy type and output supply required.
#7. Size of cable and the cables UTS.
I’m sure there is way more but this should give you a start.
Know better? Leave your own answer in the comments!
Crane Demo
Demonstration of the versatility of my engine hoist design.
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Overhead Crane Project
Not my neatest video making but you get the idea 
made entirely of free scrap metal!
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Why is Mobile Hydraulic Crane a Darling of Industrial Unit
In industrial sector it is often required to lift up heavy loads and it is literally a next to impossible task for human beings to accomplish. Here arises the importance of crane. Cranes not only hoist heavy things but also reposition them precisely. Now there are several Mobile Crane Manufacturers all over the world. Among them some are being widely used in the industries due to a good no. of advantageous features.
Manual mobile cranes are equipped with very high capacity. They can lift up load upto 150kg. One of the principle features of such cranes is their high maneuverability. The device is easy to operate and large nylon wheels and castors facilitate maneuverability of the device to great extent. Though they are supplied with manual lift but lifts provided with battery power are also available. To safeguard operators some safety measures have also been incorporated into the device. Wheel guards are attached with braked rear castors so that feet of the operator don’t get trapped under it. Before launching it into the market the Mobile Hydraulic Crane is tested by overloading it with 50% more than its capacity and needless to say, the result is quite satisfactory.
Counterbalanced cranes are more sophisticated and intricately designed, thereby are capable of performing their duties in more precise way. They have come up with more and more advanced features which can be summed up as follows.
They have been introduced into the market for picking up heavy loads and repositioning the items properly even in very little space. In addition to maneuverability, the counterbalanced cranes have great potential to control speed in forward as well as reverse direction. They are also designed with infinite control over lifting and lowering speed. For the purpose of lifting, a powered pump is used that is equipped with immense control over speed. Along with lifting items, cranes also perform another important task by repositioning them, no matter whatever is the area of the space. For accurate repositioning of the items, hydraulic hand pump is incorporated into the device.
Issac Gates is an mechanical engineering who is working for an construction company. He has good knowledge on Mobile Hydraulic Crane . For more information he recommends to visit http://www.wilmat-handling.co.uk/
Categories: Mobile Hoist Hire Tags: Crane, Darling, Hydraulic, Industrial, mobile, Unit
Level luffing crane
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A level luffing crane is a crane mechanism where the hook remains at the same level whilst luffing; moving the jib up and down, so as to move the hook inwards and outwards relative to the base.
Some types of crane are inherently level luffing: those with a fixed horizontal jib, such as gantry, hammerhead or the fixed-jib tower cranes commonly used in construction. Usually though, the description is only applied to those with a luffing jib that have some additional mechanism applied to keep the hook level when luffing.
Level luffing is most important when careful movement of a load near ground level is required, such as in construction or shipbuilding. This partially explains the popularity of fixed horizontal jibs in these fields.
Toplis cable luffing
Stothert & Pitt crane with Toplis gear
An early form of level luffing gear was the “Toplis” design, invented by a Stothert & Pitt engineer in 1914. This is also a purely mechanical linkage, arranged by the reeving of the hoist cables to the jib over pulleys at the crane’s apex above the cab, so that luffing the jib upwards allows more free cable and lowers the hook to compensate.
Horse-head jibs
Horse-head design
The usual mechanism for level luffing in modern cranes is to add an additional “horse head” section to the top of the jib. By careful design of the geometry, this keeps level merely by the linked action of the pivots.
Powered level luffing
As cranes and their control systems became more sophisticated, it became possible to control the level of luffing directly, by winching the hoist cable in and out as needed. The first of these systems used mechanical clutches between luffing and hoist drums, giving simplicity and a “near level” result.
Later systems have used modern electronic controls and quickly reversible motors with good slow-speed control to the hoist winch motors, so as to give a positioning accuracy of inches. Some early systems used controllable hydraulic gearboxes to achieve the same result, but these added complexity and cost and so were only popular where hgih accuracy was needed, such as for shipbuilding.
Luffing cabs
Luffing mechanisms have also been applied to the driver’s cab being mounted on its own jib, following the movement of the crane’s main jib These are used for tasks such as ship unloading, where the view from the driver’s cab is greatly improved by cantilevering it forwards and over the ship.
Meccano models
Cranes have long been a popular subject for Meccano models, and luffing cranes are no exception.
References
^ “Level luffing crans” (pdf). Konecranes. http://www.konecranes.com/attachments/brochures/level_luffing_low.pdf.
^ “Dockside crane: Stothert and Pitt’s DD2″. Design 1968 Journal. 1968. http://vads.ahds.ac.uk/diad/article.php?year=1968&title=233&article=d.233.47.
^ a b “Toplis level luffing crane”. http://www.btinternet.com/~a.esplen/models/pic12.htm.
^ Molian, Samuel (1982). Mechanism Design: An Introductory Text. CUP. p.p61. ISBN 0521231930.
^ Convertible level luffing crane USpatent3685668
^ Double link level luffing crane USpatent4606469
^ Joseph N. Attard. “Level luffing crane model”. http://www.patbelford.com/toys/library/level-luffing-crane/index.html.
^ “Level Luffing Port Crane” (pdf). South East London Meccano club. http://www.selmec.org.uk/Downloads/article_0008_level_luffing_port_crane.pdf.
v?d?eTypes of Cranes
Container crane Crane vessel Gantry crane Level luffing crane Sidelift Straddle carrier Tow truck
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Categories: Gantry Hoist Hire Tags: Crane, Level, luffing
Stimulus Grant Allows Scarano Boat Building, Inc to upgrade Overhead Bridge Crane
Woburn, MA-North American Industries (NAI) recently designed and manufactured an overhead crane for Scarano Boat Building, Inc. in Albany, NY. Located in the Port of Albany, Scarano designs and builds custom yachts that range from sailing to power vessels. Scarano is also responsible for restoring great historical vessels to be put on display at museums.
Scarano was recently awarded $376 thousand in federal stimulus money under the Maritime Administration’s Small Shipyards Grant Program. As part of the American Recovery and Reinvestment Act of 2009 (‘ARRA”), the federal government has allocated $98 million for the capital improvement of small shipyards and for worker training in maritime industries.
NAI will install a 10 ton, Class D, single-girder overhead bridge crane with a 63 foot span and a fully fabricated 140 foot runway system in Scarano’s main construction facility. This crane will have a single trolley with a 10 ton hoist and a three ton auxiliary hoist working in simultaneous operation. NAI has also agreed to retrofit an existing three ton single-girder overhead crane. With an original span of 58 feet, NAI has been tasked to relocate the crane and reduce its span by six feet.
NAI is a leading manufacturer of industrial overhead cranes including bridge cranes, gantry cranes, monorails, jib cranes, and custom-engineered systems. With its large, experienced engineering group, technical sales force and over 40 years of manufacturing expertise, the Company is well-positioned to handle the needs of a diverse range of end users. NAI designs, manufactures and installs crane components and crane systems for the military and municipalities as well as large and small operating businesses on a global basis. The Company is a member of the CMAA (Crane Manufacturers Association of America), and its crane systems are frequently featured in HOIST magazine.
Hoist Crane in Thailand
Why use the API type A instead of the API type C?
At Herkules Crane Co., LTD we truly believe that a box boom design is to be preferred over a type C crane with a grid boom and A-frame, mainly because:
A box boom construction is simpler, there are fewer critical welds, the materials used can be stronger and it can be more corrosion resistant than the API type C crane. The load is held by hydraulic actuators (cylinders) which are very rugged and simple in their design which makes failures exceptionally rare. A type C crane contains wire ropes, winches, planetary gears, hydraulic motors, spring applied disc brakes etc. which if anyone of these components fail can lead to disaster. Maintenance of a box boom crane is considerable easier as there are fewer exposed components and the system is much simpler, which decreases the maintenance cost and downtime of the crane. A box boom crane takes up much less space as it does not have an A-Frame. The energy in the boom hoist wire rope in type C cranes has been known to cause the cranes to tilt backwards. This happens when a heavy load is suddenly released and the energy in the wire rope pulls back the boom. This type of accident can not occur on a box boom crane. The K-Value for our cranes is very low, which is favorable for sea-stage operations.
All in all we believe a box type crane is preferred as it increases the safety and reliability while significantly reducing the costs.
Additional advantages of the HERKULES Box Boom crane design:
The whole structure is made as light as possible by the use of extra high strength steel, and advanced design optimization. This ensures that the environment is affected as little as possible, because the amount of raw material is low. Further more, in operation the crane will require less energy to move as the inertia of the structure is low and this will also lessen the forces exerted on the platform. As a consequence, the fuel consumption will also decrease as will the wear and tear on parts, so that the crane requires very little maintenance. The crane boom is made of special weather resistant extra high strength steel, which will corrode much less than normal steel, for instance if the paint is torn off, and the steel is directly exposed. The elevation of the HERKULES box-boom crane booms is able to elevate 88 degrees from horizontal and make the minimum radius very short. For some platforms this is also a huge advantage when hoisting drilling pipes as the boom does not interfere with the operation, making it more safe, and reduces the cost.
At Herkules Crane Co., LTD our core competence embraces close collaboration with our clients, making customer specific products that is based on over 40 years of experience with designing and producing high quality hydraulic cranes. We believe that this combination of our own experience along with focus on our customers’ specific needs creates the foundation of maximum customer satisfaction.
Best regards,
Managing director
Lennart Avnby is a Danish crane specialist with many years of experience within the trade. He started designing and constructing cranes for Danish Company in the early 1970ties. In 1976 he moved to Sweden and established his own Crane Construction Company and proved to be very successful. During the Swedish period he constructed some unique cranes that created a lot of attention within the industry, one being the largest capacity truck loader in the world. The financial crash in Sweden in the beginning of the 1990ties forced him to close down his operation and he moved to Thailand where he established his Thai Company Herkules Crane Co. Ltd.
Mr. Avnby is today a well known and highly respected Crane expert with focus on design and construction of off-shore-cranes of exceptional design and performance exceeding international standards. His vision is still to maintain his reputation as a supplier of high-performance cranes and excellent services under his brand name HERKULES CRANE.
Categories: Platform Hoist Hire Tags: Crane, hoist, Thailand
Crane Hoists Aiding Humans in Production
There are many jobs that are hard for people that cranes, hoists, and other lifting equipment can do. Cranes and hoists are utilized to lift objects high in the air or to move large items to another location. Consider the enormous girders required when constructing buildings. It would be impossible to hoist beams into the air without using equipment hoists.
Overhead cranes, hoists, and different machinery for lifting are employed for tasks that employees on their own can’t do. It wouldn’t be possible for people to lift heavy steel beams thousands of feet into the sky and then install them by hand. Cranes and hoists can easily do the task efficiently and allow employees to work on other kinds of tasks. Cranes can additionally be employed to lift big supplies or bundles of supplies to the top of construction areas, not only for lifting beams.
Lifting hoists, cranes, and other equipment are employed in various different industries, not just on construction sites with the specialty of building construction. Warehouses owned by companies that must regularly move heavy equipment utilize smaller cranes and hoists, as do various businesses that are interested in moving items more effectively and efficiently. In industries like the industry of ship building, cranes and hoists that are bigger are also employed. These may be utilized in shipyards to transfer and lift large yachts and components to the appropriate areas.
If crane hoists and other equipment were not available, the construction industry as well as many other industries would not be able to produce the items that they currently produce, nor would they be able to move the large quantity of items that they ship. Many tasks would be impossible without this machinery which is often essential, especially in those situations where cargo cannot be moved by manpower.
Being a small business owner with a fleet that requires changing dump truck bodies often, James Handrousen knows the importance of having quality equipment. That?s why he purchases all his wetline kits from the reputable staff at Tom?s House of Hydraulic.
Categories: Engine Hoist Hire Tags: Aiding, Crane, Hoists, Humans, Production
ThyssenKrupp Airport Systems Looks to NAI for New Overhead Crane System
Woburn, Massachusetts,– North American Industries (NAI) announces that it has replaced an existing overhead crane for ThyssenKrupp Airport Systems Inc. (ThyssenKrupp) in its Fort Worth, TX manufacturing facility. ThyssenKrupp, part of ThyssenKrupp Elevator AG, designs, manufactures installs and services passenger boarding bridges for airports. Its product line includes glass-sided crystal bridges and smooth painted steel sides.
In 2001, ThyssenKrupp purchased two cranes from NAI for the Fort Worth facility. NAI has continued to provide service and parts to ThyssenKrupp since that time and was pleased to provide this new crane system in support of ThyssenKrupp’s continued growth.
NAI designed and installed a 20-ton top running double-girder bridge crane with an 87-foot span running the entire length of the building. The crane will be used to transport ThyssenKrupp’s boarding bridges through its manufacturing process.
Mike Wiens, Plant Manager at ThyssenKrupp states, “The overall thoroughness of North American Industries was impressive. NAI provided prints, initiated regular planning communications and provided timely updates. We were most pleased with the project manager that facilitated the installation. He was very knowledgeable and focused, possessing a genuine concern for limiting any possible downtime we may have due to this process. In addition, the crane was adequately and safely tested upon completion.”
”We are focused on providing highly-engineered overhead lifting systems designed to meet specific operational objectives, and we take pride in providing a seamless experience for our customers. Any time we receive a repeat order, it validates the good work we do in support of our customers,” commented George Wheelwright, NAI Sales Manager. Over half of NAI’s business comes from repeat customers.
NAI is a leading manufacturer of industrial overhead crane systems, including bridge cranes, gantry cranes, monorails, jib cranes, and custom-engineered systems. With its large, experienced engineering group, technical sales force and over 40 years of manufacturing expertise, NAI is well-positioned to handle the needs of a diverse range of end users. NAI designs, manufactures and installs crane components and crane systems for the military and municipalities as well as large and small operating businesses on a global basis. The Company is a member of the CMAA (Crane Manufacturers Association of America) and MHIA (Material Handling Industry of America), and its crane systems are frequently featured in Hoist and Overhead Crane & Hoist magazines.
Categories: Gantry Hoist Hire Tags: Airport, Crane, Looks, Overhead, System, Systems, ThyssenKrupp
