CN103075375A - Double-medium power conversion device - Google Patents
Double-medium power conversion device Download PDFInfo
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- CN103075375A CN103075375A CN2013100313567A CN201310031356A CN103075375A CN 103075375 A CN103075375 A CN 103075375A CN 2013100313567 A CN2013100313567 A CN 2013100313567A CN 201310031356 A CN201310031356 A CN 201310031356A CN 103075375 A CN103075375 A CN 103075375A
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Abstract
The invention relates to a double-medium power conversion device, belonging to the technical field of hydraulic power devices and aiming at solving the technical problem of providing the double-medium power conversion device which is used for taking a hydraulic medium as a power source, enabling another hydraulic medium to generate a hydraulic difference, driving other hydraulic loads to operate and not causing medium leakage. The technical scheme of the invention is as follows: a piston is respectively arranged in three hydraulic cylinders, and the three pistons are fixedly connected by a connecting rod; a port is respectively formed in two end parts of the second hydraulic cylinder, and the two ports are respectively positioned at two sides of the piston in the second hydraulic cylinder and are connected with two control output ports of a reversing valve; the first hydraulic cylinder and the third hydraulic cylinder are respectively communicated with the interior of an oil storage tank through a liquid intake pipe; the first hydraulic cylinder and the third hydraulic cylinder are respectively communicated with a hydraulic load through a liquid discharge pipe; and the hydraulic load is communicated with the oil storage tank through a pipeline. The double-medium power conversion device disclosed by the invention is used in equipment in which two different hydraulic mediums are needed to carry out hydraulic power transmission.
Description
Technical field
The two medium power switching devices of the present invention belong to the hydraulic power unit technical field.
Background technique
The ore deposit underground equipment adopts hydraulic pressure installation as the power plant of equipment operation in order to improve equipment anti-explosion safety performance in a large number at present, replaces the electric power source such as motor.Hydraulic power adopts the emulsified liquid pressure system that is used for hydraulic prop work that generally adopts in the coal mine roadway that power source is provided, and connects very convenient.Hydraulic medium in the emulsified liquid pressure system in the coal mine roadway is emulsified liquid, emulsified liquid is that the oil emulsion that 96% water adds about 4% is mixed, have certain lubricated, anticorrosion, rust inhibition, hydraulic difference is 20Mpa in the high-low pressure pipe, be fit to use in hydraulic column, the piston-type hydro pressure device, but when being used for the hydraulic pressure installation such as oil hydraulic motor accurate, continuously operation, the shortcoming of emulsified liquid is very obvious: easily cause the serious corrosion of device interior, serious wear, greatly shorten life of equipment.Oil hydraulic motor adopts specific hydraulic fluid as hydraulic medium, and is most suitable, but needs dedicated hydraulic power source (such as oil hydraulic pump) to drive, and can cause the problems such as system complex, Security reduction.How adopting that existing emulsified liquid pressure system is power under the mine, can hydraulic oil be medium again, drives the hydraulic equipment operation, and becoming needs the key subject that solves.
The power switching device of existing pair of medium in use piston two ends is different medium, can have dielectric leakage in the piston movement, causes the various problems such as hydraulic equipment damage or wearing and tearing increase.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved provides a kind of take a kind of hydraulic medium as power source, make another kind of hydraulic medium produce hydraulic difference, drive two medium power switching devices that dielectric leakage was moved and can not caused to other hydraulic load.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: two medium power switching devices, comprise the first oil hydraulic cylinder, the second oil hydraulic cylinder, the 3rd oil hydraulic cylinder, first piston, the second piston, the 3rd piston, connecting rod, the first in line check valve, the second in line check valve, the first oil outlet one-way valve, the second oil outlet one-way valve and selector valve, the first oil hydraulic cylinder and the 3rd oil hydraulic cylinder lay respectively at the both sides of the second oil hydraulic cylinder, first piston, the second piston, the 3rd piston is installed in respectively the first oil hydraulic cylinder, the second oil hydraulic cylinder, in the 3rd oil hydraulic cylinder, and three pistons are fixed together by connecting rod, two ends of the second oil hydraulic cylinder have an interface, and two interfaces lay respectively at the both sides of the second piston, and described two interfaces are connected by pipeline with two control delivery outlets of selector valve;
Be equipped with a liquid entering hole and a liquid outlet on described the first oil hydraulic cylinder and the 3rd oil hydraulic cylinder, liquid entering hole on the first oil hydraulic cylinder and the 3rd oil hydraulic cylinder is respectively by the first liquid inlet pipe and the second liquid inlet pipe and fuel reserve tank internal communication, be separately installed with the first in line check valve and the second in line check valve on the first liquid inlet pipe and the second liquid inlet pipe, liquid outlet on the first oil hydraulic cylinder and the 3rd oil hydraulic cylinder is communicated with hydraulic load by the first drain pipe and the second drain pipe respectively, be separately installed with the first oil outlet one-way valve and the second oil outlet one-way valve on the first drain pipe and the second drain pipe, described hydraulic load and fuel reserve tank pass through pipeline communication.
Described selector valve is three position four-way directional control valve.
Described hydraulic load is that at least one oil hydraulic motor is arranged in parallel.
The present invention compares the beneficial effect that has with prior art: the invention solves the problem that hydraulic power is transmitted between two kinds of hydraulic mediums, simple in structure, reliable operation, volume is little, cost is low, and can be widely used in needs to carry out between two kinds of different hydraulic mediums in the equipment of hydraulic power transmission, and owing to two media lays respectively in the different oil hydraulic cylinders, can not cause dielectric leakage, prolong hydraulic equipment working life.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing.
Fig. 1 is structural representation of the present invention.
Among the figure: 1 is the first oil hydraulic cylinder, and 2 is the second oil hydraulic cylinder, and 3 is the 3rd oil hydraulic cylinder, 4 is first piston, and 5 is the second piston, and 6 is the 3rd piston, 7 is connecting rod, and 8 is the first in line check valve, and 9 is the second in line check valve, 10 is the first oil outlet one-way valve, and 11 is the second oil outlet one-way valve, and 12 is selector valve, 13 is the first liquid inlet pipe, and 14 is the second liquid inlet pipe, and 15 is fuel reserve tank, 16 is the first drain pipe, and 17 is the second drain pipe, and 18 is hydraulic load.
Embodiment
As shown in Figure 1, the two medium power switching devices of the present invention, comprise the first oil hydraulic cylinder 1, the second oil hydraulic cylinder 2, the 3rd oil hydraulic cylinder 3, first piston 4, the second piston 5, the 3rd piston 6, connecting rod 7, the first in line check valve 8, the second in line check valve 9, the first oil outlet one-way valve 10, the second oil outlet one-way valve 11 and selector valve 12, the first oil hydraulic cylinder 1 and the 3rd oil hydraulic cylinder 3 lay respectively at the both sides of the second oil hydraulic cylinder 2, first piston 4, the second piston 5, the 3rd piston 6 is installed in respectively the first oil hydraulic cylinder 1, the second oil hydraulic cylinder 2, in the 3rd oil hydraulic cylinder 3, and three pistons are fixed together by connecting rod 7, two ends of the second oil hydraulic cylinder 2 have an interface, and two interfaces lay respectively at the both sides of the second piston 5, and described two interfaces are connected by pipeline with two control delivery outlets of selector valve 12;
Be equipped with a liquid entering hole and a liquid outlet on described the first oil hydraulic cylinder 1 and the 3rd oil hydraulic cylinder 3, liquid entering hole on the first oil hydraulic cylinder 1 and the 3rd oil hydraulic cylinder 3 is respectively by the first liquid inlet pipe 13 and the second liquid inlet pipe 14 and fuel reserve tank 15 internal communication, be separately installed with the first in line check valve 8 and the second in line check valve 9 on the first liquid inlet pipe 13 and the second liquid inlet pipe 14, liquid outlet on the first oil hydraulic cylinder 1 and the 3rd oil hydraulic cylinder 3 is communicated with hydraulic load 18 by the first drain pipe 16 and the second drain pipe 17 respectively, be separately installed with the first oil outlet one-way valve 10 and the second oil outlet one-way valve 11 on the first drain pipe 16 and the second drain pipe 17, described hydraulic load 18 is passed through pipeline communication with fuel reserve tank 15.
Described selector valve 12 is three position four-way directional control valve.
Described hydraulic load 18 is arranged in parallel at least one oil hydraulic motor.
Described the first hydraulic medium can be emulsified liquid or hydraulic pressure wet goods hydraulic medium, and the second hydraulic medium can be the hydraulic mediums such as hydraulic oil or emulsified liquid.
Below embodiments of the invention done specify.
The present invention is used for the underground hydraulic pressure load, and during such as the driving of oil hydraulic motor, the first hydraulic medium is emulsified liquid, and the second hydraulic medium is hydraulic oil.
As shown in Figure 1, during use, high-pressure emulsion enters the left side of the second piston 5 in the second oil hydraulic cylinder 2 by selector valve 12, promoting the second piston 5 moves right, simultaneously owing to first piston 4, the second piston 5 and the 3rd piston 6 are fixed together by connecting rod 7, the second piston 5 can drive first piston 4 when moving and the 3rd piston 6 moves right, and the emulsified liquid on the second piston 5 right sides is got back in the low pressure pipeline by selector valve 12; When first piston 4 and the 3rd piston 6 move right, the first oil hydraulic cylinder 1 is drawn fluid by the first liquid inlet pipe 13 from fuel reserve tank 15, hydraulic oil in the 3rd oil hydraulic cylinder 3 flows into hydraulic load 18 for it provides high voltage power by the second drain pipe 17, then gets back to fuel reserve tank 15; Oppositely in like manner, so just can utilize the power of the first hydraulic medium to control the second hydraulic medium and provide power for hydraulic load, and two kinds of hydraulic mediums circulate in different oil hydraulic cylinders and can not interfere with each other leakage, can not cause hydraulic equipment to damage or the wearing and tearing increase, prolong the working life of hydraulic equipment.
In actual the use, adopt three position four-way directional control valve, the action of selector valve 12 can manually be controlled, also can be by the limit switch control of the second oil hydraulic cylinder 2 interior installations, finish the Automatic continuous back and forth movement of piston, the control circuit of solenoid directional control valve is prior art, no longer describes in detail at this.
In order to improve the stability of hydraulic fluid pressure, augmented flow can adopt two cover the present invention to be connected in parallel, and two cover piston-dislocation operations can guarantee that hydraulic fluid pressure is stable during use.
In order to satisfy load to the requirement of flow and pressure, do not changing under the front topic of feed liquor flow and pressure and can realize by the variation of three cylinder cylinder diameters.
Claims (3)
1. two medium power switching devices, comprise the first oil hydraulic cylinder (1), the second oil hydraulic cylinder (2), the 3rd oil hydraulic cylinder (3), first piston (4), the second piston (5), the 3rd piston (6), connecting rod (7), the first in line check valve (8), the second in line check valve (9), the first oil outlet one-way valve (10), the second oil outlet one-way valve (11) and selector valve (12), it is characterized in that: the first oil hydraulic cylinder (1) and the 3rd oil hydraulic cylinder (3) lay respectively at the both sides of the second oil hydraulic cylinder (2), first piston (4), the second piston (5), the 3rd piston (6) is installed in respectively the first oil hydraulic cylinder (1), the second oil hydraulic cylinder (2), in the 3rd oil hydraulic cylinder (3), and three pistons are fixed together by connecting rod (7), two ends of the second oil hydraulic cylinder (2) have an interface, and two interfaces lay respectively at the both sides of the second piston (5), and described two interfaces are connected by pipeline with two control delivery outlets of selector valve (12);
Be equipped with a liquid entering hole and a liquid outlet on described the first oil hydraulic cylinder (1) and the 3rd oil hydraulic cylinder (3), liquid entering hole on the first oil hydraulic cylinder (1) and the 3rd oil hydraulic cylinder (3) is respectively by the first liquid inlet pipe (13) and the second liquid inlet pipe (14) and fuel reserve tank (15) internal communication, be separately installed with the first in line check valve (8) and the second in line check valve (9) on the first liquid inlet pipe (13) and the second liquid inlet pipe (14), liquid outlet on the first oil hydraulic cylinder (1) and the 3rd oil hydraulic cylinder (3) is communicated with hydraulic load (18) by the first drain pipe (16) and the second drain pipe (17) respectively, be separately installed with the first oil outlet one-way valve (10) and the second oil outlet one-way valve (11) on the first drain pipe (16) and the second drain pipe (17), described hydraulic load (18) is passed through pipeline communication with fuel reserve tank (15).
2. according to claim 1 pair of medium power switching device, it is characterized in that: described selector valve (12) is three position four-way directional control valve.
3. according to claim 1 and 2 pair of medium power switching device, it is characterized in that: described hydraulic load (18) is arranged in parallel at least one oil hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100313567A CN103075375A (en) | 2013-01-28 | 2013-01-28 | Double-medium power conversion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100313567A CN103075375A (en) | 2013-01-28 | 2013-01-28 | Double-medium power conversion device |
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| CN103075375A true CN103075375A (en) | 2013-05-01 |
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| CN2013100313567A Pending CN103075375A (en) | 2013-01-28 | 2013-01-28 | Double-medium power conversion device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742213A (en) * | 2014-01-17 | 2014-04-23 | 江勇 | Heat machine, energy storage power generation assembly, pumping device, water-wheel power generator and temperature-differential power generator |
| CN103821782A (en) * | 2014-03-04 | 2014-05-28 | 长治市永华机械有限公司 | Six-cavity dual-medium pressure conversion hydraulic system |
| CN103836013A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic variant reversing mechanism |
| CN103836017A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Cavity type automatic special-shaped body reversing mechanism |
| CN103836018A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic reversing mechanism |
| CN106870472A (en) * | 2017-03-31 | 2017-06-20 | 江苏建筑职业技术学院 | A kind of profit pressure conversion device |
| CN110878742A (en) * | 2019-12-26 | 2020-03-13 | 徐红鹰 | Power system based on pressure energy |
| CN111608609A (en) * | 2020-04-21 | 2020-09-01 | 中国海洋石油集团有限公司 | Double-medium hydraulic injection cylinder |
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| US3540349A (en) * | 1965-05-20 | 1970-11-17 | Hermann Joseph Pennther | Fluid-operated continuously actuated reciprocating piston drive |
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| CN203067371U (en) * | 2013-01-28 | 2013-07-17 | 长治市永华机械有限公司 | Two-medium power conversion device |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US3540349A (en) * | 1965-05-20 | 1970-11-17 | Hermann Joseph Pennther | Fluid-operated continuously actuated reciprocating piston drive |
| CN2388387Y (en) * | 1999-06-07 | 2000-07-19 | 山东矿业学院 | Three-purpose valve test table automatic intensifier |
| CN2725597Y (en) * | 2004-09-08 | 2005-09-14 | 西南石油学院 | Liquid pressurization device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103742213B (en) * | 2014-01-17 | 2016-02-10 | 江勇 | Water plug |
| CN103742213A (en) * | 2014-01-17 | 2014-04-23 | 江勇 | Heat machine, energy storage power generation assembly, pumping device, water-wheel power generator and temperature-differential power generator |
| CN103836017B (en) * | 2014-02-26 | 2016-04-06 | 长治市永华机械有限公司 | Cavity type automation allosome changement |
| CN103836017A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Cavity type automatic special-shaped body reversing mechanism |
| CN103836018A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic reversing mechanism |
| CN103836013A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic variant reversing mechanism |
| CN103836018B (en) * | 2014-02-26 | 2016-05-11 | 长治市永华机械有限公司 | Automation changement |
| CN103836013B (en) * | 2014-02-26 | 2016-08-17 | 长治市永华机械有限公司 | Automatization's allosome changement |
| CN103821782A (en) * | 2014-03-04 | 2014-05-28 | 长治市永华机械有限公司 | Six-cavity dual-medium pressure conversion hydraulic system |
| CN106870472A (en) * | 2017-03-31 | 2017-06-20 | 江苏建筑职业技术学院 | A kind of profit pressure conversion device |
| CN106870472B (en) * | 2017-03-31 | 2018-03-09 | 江苏建筑职业技术学院 | A kind of profit pressure conversion device |
| CN110878742A (en) * | 2019-12-26 | 2020-03-13 | 徐红鹰 | Power system based on pressure energy |
| CN111608609A (en) * | 2020-04-21 | 2020-09-01 | 中国海洋石油集团有限公司 | Double-medium hydraulic injection cylinder |
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Application publication date: 20130501 |