CN102619795A - Four-cavity dual-medium reciprocating hydraulic device - Google Patents
Four-cavity dual-medium reciprocating hydraulic device Download PDFInfo
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- CN102619795A CN102619795A CN2012101080907A CN201210108090A CN102619795A CN 102619795 A CN102619795 A CN 102619795A CN 2012101080907 A CN2012101080907 A CN 2012101080907A CN 201210108090 A CN201210108090 A CN 201210108090A CN 102619795 A CN102619795 A CN 102619795A
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Abstract
The invention discloses a four-cavity dual-medium reciprocating hydraulic device, belongs to the technical field of hydraulic power devices, and provides a device which takes one hydraulic medium as a power source, enables another hydraulic medium to generate hydraulic difference and drives other hydraulic loads to run so as to solve the technical problems. The invention adopts the technical scheme as follows: a baffle plate is hermetically fixed in the middle of a hydraulic cylinder; a first piston and a second piston are located on the two sides of the baffle plate; a connecting rod passes through the baffle plate and then the two ends of the connecting rod are fixedly connected with the first piston and the second piston respectively; two connectors are formed in the middle of the hydraulic cylinder and are connected with two control output ports of a reversing valve; and on the hydraulic cylinder, two liquid inlets are located at the two ends of the hydraulic cylinder, two liquid outlets are also located at the two ends of the hydraulic cylinder, each liquid inlet is connected with a first one-way valve respectively, and each liquid outlet is connected with a second one-way valve respectively. The four-cavity dual-medium reciprocating hydraulic device is widely applied to equipment for hydraulic power transmission between two different hydraulic mediums.
Description
Technical field
The two media in the present invention four chambeies back and forth move hydraulic pressure installation, belong to the hydraulic power unit technical field.
Background technique
Equipment adopts the power plant of hydraulic pressure installation as equipment operation in a large number in order to improve equipment anti-explosion safety performance under the mine at present, replaces 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 an emulsified liquid, and emulsified liquid is that the oil emulsion that 96% water adds about 4% is mixed and made into, and has 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, when still being used for the hydraulic pressure installation such as oil hydraulic motor of precision, operation continuously, the shortcoming of emulsified liquid is very obvious: cause the serious corrosion of device interior easily; Serious wear, shorten life of equipment greatly.Oil hydraulic motor adopts specific hydraulic fluid as hydraulic medium, and is most suitable, but needs dedicated hydraulic power source (like oil hydraulic pump) to drive, and can cause problems such as system complex, Security reduction.How adopting that existing emulsified liquid pressure system is a power under the mine, can hydraulic oil be medium again, drives the hydraulic equipment operation, and becoming needs the key subject that solves.
Summary of the invention
The present invention is in order to overcome the deficiency of existing technology, and providing a kind of is power source with a kind of hydraulic medium, makes another kind of hydraulic medium produce hydraulic difference, drives the device of other hydraulic load operations.
In order to solve the problems of the technologies described above; The technological scheme that the present invention adopts is: the two media in four chambeies back and forth move hydraulic pressure installation; Comprise oil hydraulic cylinder, first piston, second piston, connecting rod, dividing plate, first one-way valve, second one-way valve and selector valve, the middle part of dividing plate sealing and fixing in oil hydraulic cylinder, the first piston and second piston are installed in oil hydraulic cylinder inside and lay respectively at the both sides of dividing plate; Two ends were fixedly connected with second piston with first piston respectively after connecting rod passed dividing plate; The oil hydraulic cylinder middle part has two interfaces, and in said two interfaces, one between dividing plate and first piston; Another is between the dividing plate and second piston, and said two interfaces are connected through pipeline with two control delivery outlets of selector valve; On the oil hydraulic cylinder; Two liquid entering holes are positioned at the two ends of oil hydraulic cylinder; Two liquid outlets also are positioned at the two ends of oil hydraulic cylinder; Described two liquid entering holes all are connected with one first one-way valve respectively through pipeline, and described two liquid outlets all are connected with one second one-way valve respectively through pipeline, and the conducting direction of said first one-way valve and second one-way valve is opposite.
Two control inlet openings of said selector valve are connected with low pressure pipeline with the high pressure pipe line of first hydraulic medium respectively; Said two first one-way valves all are connected through the liquid tank of pipeline with second hydraulic medium; Said two second one-way valves all are connected with the import of hydraulic load through pipeline, and the outlet of hydraulic load is connected with the liquid tank of said second hydraulic medium through pipeline.
Described selector valve is the 3-position 4-way solenoid directional control valve.
The beneficial effect that the present invention compared with prior art has is: the invention solves two kinds of hydraulic medium interstitial fluids and press the problem that power is transmitted; 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.
Description of drawings
Below in conjunction with accompanying drawing the two media in the present invention four chambeies back and forth being moved hydraulic pressure installation further specifies.
Fig. 1 is a structural representation of the present invention.
1 is that oil hydraulic cylinder, 2 is that first piston, 3 is that second piston, 4 is that connecting rod, 5 is that dividing plate, 6 is that first one-way valve, 7 is that second one-way valve, 8 is that selector valve, 9 is that interface, 10 is that liquid entering hole, 11 is that liquid outlet, 12 is that fuel reserve tank, 13 is a hydraulic load among the figure.
Embodiment
As shown in Figure 1; The two media in the present invention four chambeies back and forth move hydraulic pressure installation; Comprise oil hydraulic cylinder 1, first piston 2, second piston 3, connecting rod 4, dividing plate 5, first one-way valve 6, second one-way valve 7 and selector valve 8, the middle part of dividing plate 5 sealing and fixing in oil hydraulic cylinder 1, it is inner and lay respectively at the both sides of dividing plate 5 that the first piston 2 and second piston 3 are installed in oil hydraulic cylinder 1; Connecting rod 4 passes two ends, dividing plate 5 back and is fixedly connected with second piston 3 with first piston 2 respectively; Oil hydraulic cylinder 1 middle part has two interfaces 9, and in said two interfaces 9, one between dividing plate 5 and first piston 2; Another is between the dividing plate 5 and second piston 3, and said two interfaces 9 are connected through pipeline with two control delivery outlets of selector valve 8; On the oil hydraulic cylinder 1; Two liquid entering holes 10 are positioned at the two ends of oil hydraulic cylinder 1; Two liquid outlets 11 also are positioned at the two ends of oil hydraulic cylinder 1; Described two liquid entering holes 10 all are connected with one first one-way valve 6 respectively through pipeline, and described two liquid outlets 11 all are connected with one second one-way valve 7 respectively through pipeline, and the conducting direction of said first one-way valve 6 and second one-way valve 7 is opposite.
Two control inlet openings of said selector valve 8 are connected with low pressure pipeline with the high pressure pipe line of first hydraulic medium respectively; Said two first one-way valves 6 all are connected with the liquid tank 12 of second hydraulic medium through pipeline; Said two second one-way valves 7 all are connected through the import of pipeline with hydraulic load 13, and the outlet of hydraulic load 13 is connected with the liquid tank 12 of said second hydraulic medium through pipeline.
Described selector valve 8 is the 3-position 4-way solenoid directional control valve.
Described first hydraulic medium can be emulsified liquid or hydraulic pressure wet goods hydraulic medium, and second hydraulic medium can be hydraulic mediums such as hydraulic oil or emulsified liquid.
The present invention is used for the underground hydraulic pressure load, and during like the driving of oil hydraulic motor, first hydraulic medium is an emulsified liquid, and second hydraulic medium is a hydraulic oil.
During use, high-pressure emulsion gets between dividing plate 5 and the first piston 2 through selector valve 8, promotes two pistons and moves to the left, and the emulsified liquid between the dividing plate 5 and second piston 3 is got back in the low pressure pipeline through selector valve 8; Hydraulic oil between first piston 2 and oil hydraulic cylinder 1 inwall comes out from liquid outlet 11, for hydraulic load 13 high voltage power is provided through second one-way valve, 7 backs, gets back to fuel reserve tank 12 then; It is big that space between second piston 3 and oil hydraulic cylinder 1 inwall becomes, thus through first one-way valve 6 from 12 li oil suctions of fuel reserve tank, oppositely in like manner, so just can utilize the power of first hydraulic medium to control second hydraulic medium and power is provided for hydraulic load.
In actual the use, adopt the 3-position 4-way solenoid directional control valve, the action of selector valve 8 can manually be controlled; Also can be by the limit switch control of installing in the oil hydraulic cylinder 1; Accomplish the automatically continuous back and forth movement of piston, the control circuit of solenoid directional control valve is an existing technology, no longer specifies at this.
Hydraulic load 13 is one or more parallelly connected oil hydraulic motor.
In order to improve the stability of hydraulic fluid pressure, augmented flow can adopt two cover apparatus of the present invention to be connected in parallel, and two cover piston dislocation operations can guarantee that hydraulic fluid pressure is stable during use.
Claims (3)
1. the two media in four chambeies back and forth move hydraulic pressure installation; Comprise oil hydraulic cylinder (1), first piston (2), second piston (3), connecting rod (4), dividing plate (5), first one-way valve (6), second one-way valve (7) and selector valve (8); It is characterized in that: the middle part of dividing plate (5) sealing and fixing in oil hydraulic cylinder (1); First piston (2) and second piston (3) are installed in oil hydraulic cylinder (1) inside and lay respectively at the both sides of dividing plate (5); Connecting rod (4) passes two ends, dividing plate (5) back and is fixedly connected with second piston (3) with first piston (2) respectively; Oil hydraulic cylinder (1) middle part has two interfaces (9), and in said two interfaces (9), one is positioned between dividing plate (5) and the first piston (2); Another is positioned between dividing plate (5) and second piston (3), and said two interfaces (9) are connected through pipeline with two control delivery outlets of selector valve (8); On the oil hydraulic cylinder (1); Two liquid entering holes (10) are positioned at the two ends of oil hydraulic cylinder (1); Two liquid outlets (11) also are positioned at the two ends of oil hydraulic cylinder (1); Described two liquid entering holes (10) all are connected with one first one-way valve (6) respectively through pipeline, and described two liquid outlets (11) all are connected with one second one-way valve (7) respectively through pipeline, and the conducting direction of said first one-way valve (6) and second one-way valve (7) is opposite.
2. the two media in four chambeies according to claim 1 back and forth move hydraulic pressure installation, it is characterized in that: two control inlet openings of said selector valve (8) are connected with low pressure pipeline with the high pressure pipe line of first hydraulic medium respectively; Said two first one-way valves (6) all are connected with the liquid tank (12) of second hydraulic medium through pipeline; Said two second one-way valves (7) all are connected through the import of pipeline with hydraulic load (13), and the outlet of hydraulic load (13) is connected with the liquid tank (12) of said second hydraulic medium through pipeline.
3. the two media in four chambeies according to claim 1 and 2 back and forth move hydraulic pressure installation, and it is characterized in that: described selector valve (8) is the 3-position 4-way solenoid directional control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101080907A CN102619795A (en) | 2012-04-13 | 2012-04-13 | Four-cavity dual-medium reciprocating hydraulic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101080907A CN102619795A (en) | 2012-04-13 | 2012-04-13 | Four-cavity dual-medium reciprocating hydraulic device |
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| Publication Number | Publication Date |
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| CN102619795A true CN102619795A (en) | 2012-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012101080907A Pending CN102619795A (en) | 2012-04-13 | 2012-04-13 | Four-cavity dual-medium reciprocating hydraulic device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075375A (en) * | 2013-01-28 | 2013-05-01 | 长治市永华机械有限公司 | Double-medium power conversion device |
| 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 |
| CN103836018A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic 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 |
Citations (6)
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|---|---|---|---|---|
| US3540349A (en) * | 1965-05-20 | 1970-11-17 | Hermann Joseph Pennther | Fluid-operated continuously actuated reciprocating piston drive |
| CN1084254A (en) * | 1992-09-16 | 1994-03-23 | 付连起 | Energy-saving extra-high pressure gas gas (liquid) body output unit |
| CN2418291Y (en) * | 2000-04-07 | 2001-02-07 | 太原理工大学 | Hand-driven booster for static water of well |
| CN2725597Y (en) * | 2004-09-08 | 2005-09-14 | 西南石油学院 | Liquid pressurization device |
| CN201621112U (en) * | 2010-04-09 | 2010-11-03 | 江西洪都航空工业集团有限责任公司 | Pressure unit used for oil-gas pressure conversion |
| CN202579380U (en) * | 2012-04-13 | 2012-12-05 | 长治市永华机械有限公司 | Four-cavity double-medium reciprocating hydraulic device |
-
2012
- 2012-04-13 CN CN2012101080907A patent/CN102619795A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3540349A (en) * | 1965-05-20 | 1970-11-17 | Hermann Joseph Pennther | Fluid-operated continuously actuated reciprocating piston drive |
| CN1084254A (en) * | 1992-09-16 | 1994-03-23 | 付连起 | Energy-saving extra-high pressure gas gas (liquid) body output unit |
| CN2418291Y (en) * | 2000-04-07 | 2001-02-07 | 太原理工大学 | Hand-driven booster for static water of well |
| CN2725597Y (en) * | 2004-09-08 | 2005-09-14 | 西南石油学院 | Liquid pressurization device |
| CN201621112U (en) * | 2010-04-09 | 2010-11-03 | 江西洪都航空工业集团有限责任公司 | Pressure unit used for oil-gas pressure conversion |
| CN202579380U (en) * | 2012-04-13 | 2012-12-05 | 长治市永华机械有限公司 | Four-cavity double-medium reciprocating hydraulic device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075375A (en) * | 2013-01-28 | 2013-05-01 | 长治市永华机械有限公司 | Double-medium power conversion device |
| CN103836018A (en) * | 2014-02-26 | 2014-06-04 | 长治市永华机械有限公司 | Automatic 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 |
| CN103836017B (en) * | 2014-02-26 | 2016-04-06 | 长治市永华机械有限公司 | Cavity type automation allosome changement |
| CN103836018B (en) * | 2014-02-26 | 2016-05-11 | 长治市永华机械有限公司 | Automation 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 |
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Application publication date: 20120801 |