Hydraulic lifting system and heating method thereof

A technology of hydraulic lifting and heating method, applied in the directions of fluid pressure actuating system components, lifting devices, fluid pressure actuating devices, etc., can solve problems such as operation failure, reduction of lifting efficiency, failure of hydraulic lifting system to start, etc., and achieve safe operation. Effect

Inactive Publication Date: 2013-01-23
SHANGHAI MECHANIZED CONSTR GRP +1
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Problems solved by technology

Usually the heating method is to heat the oil tank in the oil pump to increase the oil temperature of the hydraulic oil in the oil tank to achieve the effect of heating up, but only heating the oil tank does not have a heating effect on the hydraulic pipeline, and it cannot guarantee that the over

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  • Hydraulic lifting system and heating method thereof
  • Hydraulic lifting system and heating method thereof
  • Hydraulic lifting system and heating method thereof

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Embodiment Construction

[0025] The hydraulic lifting system and its heating method proposed by the present invention will be described in further detail below with reference to the drawings and specific embodiments. According to the following description and claims, the advantages and features of the present invention will be clearer. It should be noted that the drawings are in a very simplified form and all use imprecise ratios, which are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0026] The core idea of ​​the present invention is to provide a hydraulic lifting system and a heating method thereof. The hydraulic lifting system uses an upper anchor cylinder and a lower anchor cylinder to clamp and loosen the steel strand, so that the hydraulic The lifting system is safer and more efficient during operation; in a freezing environment, the hydraulic lifting system can also use the telescopic cylinder of the main cylinder to connect ...

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Abstract

The invention provides a hydraulic lifting system and a heating method thereof. The hydraulic lifting system adopts an upper anchorage oil cylinder and a lower anchorage oil cylinder for clamping and loosening steel strands, so that the hydraulic lifting system is safe and highly-efficient in operation; and in a freezing environment, the hydraulic lifting system can realize heating for a hydraulic oil pump and a hydraulic oil way through a telescopic cylinder of a main oil cylinder by using the heating method of the hydraulic lifting system under the conditions of not increasing other parts or lifting a lifting structure so as to enable the hydraulic oil pump and the hydraulic oil way of the hydraulic lifting system to reach the temperature required for normal operation, and ensure that the hydraulic lifting system also can safely operate in the freezing environment.

Description

Technical field [0001] The invention relates to the field of lifting and installation, in particular to a hydraulic lifting system and a heating method thereof. Background technique [0002] When large objects need to be lifted and moved to high places, lifting systems are generally used to lift objects. With the continuous advancement of modern technology, hydraulic technology has been added to the lifting system and has been widely used when lifting large objects. use. The hydraulic lifting system generally uses a hydraulic pump station to drive the jack up and down to reciprocate and retract to drive the steel strand to move up and down, so that the steel strand drives the objects on the lifting structure up and down to achieve the purpose of lifting the objects. [0003] The oil temperature in the hydraulic oil pump has a great influence on the performance of the hydraulic system. For the hydraulic lifting system in the outdoor environment in cold areas, the oil temperature in...

Claims

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Application Information

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IPC IPC(8): B66F3/42B66F3/25F15B21/04
Inventor 王云飞崔振中杨乃刚周兴大陈枫伍小平
Owner SHANGHAI MECHANIZED CONSTR GRP
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