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Potential energy recycling system and method of higher-position extractor

A potential energy recovery and tapping machine technology, which is applied to fluid pressure actuation system components, mechanical equipment, fluid pressure actuation devices, etc., can solve problems such as rising oil temperature, wasting energy, increasing the probability of leakage, etc., and achieve reduction The effects of throttling loss, reducing system pressure instability, and reducing output energy consumption

Active Publication Date: 2016-06-22
TAIYUAN UNIV OF TECH
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Problems solved by technology

Not only wastes energy, but also increases the chance of leaks due to increased oil temperature

Method used

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  • Potential energy recycling system and method of higher-position extractor

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Embodiment

[0026] Such as figure 1 As shown, a potential energy recovery and reuse system for a high-level tapping machine includes a hydraulic cylinder 1, a first adjustable flow valve 2-1, a second adjustable flow valve 2-2, a first one-way valve 3-1, Second one-way valve 3-2, third one-way valve 3-3, fourth one-way valve 3-4, fifth one-way valve 3-5, three-position four-way electromagnetic reversing valve 4, hydraulic pump 5, Three-phase asynchronous motor 6, overflow valve 7, first two-position two-way electromagnetic reversing valve 8-1, second two-position two-way electromagnetic reversing valve 8-2, third two-position two-way electromagnetic reversing valve 8 -3. The fourth two-position two-way electromagnetic reversing valve 8-4, the first accumulator 9-1, the second accumulator 9-2, the first pressure sensor 10-1, and the second pressure sensor 10-2 , displacement sensor 11, controller 12, frequency converter 13;

[0027] The connection method is as follows: the oil outlet of t...

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Abstract

The invention discloses a potential energy recycling system and method of a higher-position extractor and belongs to the field of electric hydraulic control. The potential energy recycling system is provided with two energy accumulators. Oil port switches of the two energy accumulators are controlled by two two-position two-way electromagnetic reversing valves correspondingly; an L-shaped hook of the higher-position extractor is driven by a hydraulic cylinder; when the L-shaped hook supports a steel blank and descends, the higher-position potential energy of the steel blank is converted into hydraulic energy and most of the hydraulic energy is stored in the two energy accumulators; when the L-shaped hook ascends without a load and supports the steel blank to ascend in a loaded mode, the two energy accumulators release the stored potential energy in a staging mode through the two-position two-way electromagnetic reversing valves; the pressure difference between an oil drainage port and an oil sucking port of a hydraulic pump is reduced, the output energy consumption of a motor is lowered, and energy is saved; and the temperature of hydraulic oil in the work process can be effectively lowered, and leakage caused by rise of the oil temperature is reduced.

Description

technical field [0001] The invention relates to a system and method for recovering and reusing potential energy of a high-position tapping machine, belonging to the field of electro-hydraulic control. Background technique [0002] The high-position steel tapping machine is used for steel tapping in the heating furnace of medium and heavy plates in iron and steel enterprises. It adopts a combination of a beam crane and a forklift and is equipped with some special structures. The horizontal movement is realized by a motor driving a trolley through a reducer. The up and down movement is controlled by the L-shaped hook driven by the hydraulic cylinder, and the billet taking mechanism adopts the L-shaped hook to complete the lifting and lowering of the steel billet. The working process is as follows: the stepping mechanism transports the steel billet to the designated position, the furnace door is opened, the tapping machine trolley drives the L-shaped hook to move forward horizo...

Claims

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Application Information

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IPC IPC(8): F15B21/14F15B1/02
CPCF15B1/02F15B21/14
Inventor 王成宾梁方辉张晓俊
Owner TAIYUAN UNIV OF TECH
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