CN202579380U - Four-cavity double-medium reciprocating hydraulic device - Google Patents
Four-cavity double-medium reciprocating hydraulic device Download PDFInfo
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- CN202579380U CN202579380U CN 201220155848 CN201220155848U CN202579380U CN 202579380 U CN202579380 U CN 202579380U CN 201220155848 CN201220155848 CN 201220155848 CN 201220155848 U CN201220155848 U CN 201220155848U CN 202579380 U CN202579380 U CN 202579380U
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Abstract
The utility model belongs to the technical field of hydraulic power units and technically provides a four-cavity double-medium reciprocating hydraulic device which uses a hydraulic medium as a power source to enable the other hydraulic medium to produce hydraulic difference so as to drive other hydraulic loads to operate. The technical scheme includes that a partition is sealed and fixed in the inner middle of a hydraulic cylinder, a first piston and a second piston are positioned on two sides of the partition, two ends of a connecting rod are fixedly connected with the first piston and the second piston respectively after the connecting rod penetrates through the partition, and two connecting ports are arranged in the middle of the hydraulic cylinder and connected with two control output ports of a reversing valve. On the hydraulic cylinder, two liquid inlets are positioned at two ends of the hydraulic cylinder, two liquid outlets are also positioned at the two ends of the hydraulic cylinder, each of the two liquid inlets is connected with a first one-way valve, and each of the two liquid outlets is connected with a second one-way valve. The four-cavity double-medium reciprocating hydraulic device is widely applied to equipment needing two different hydraulic media for hydraulic power transmission.
Description
Technical field
The two media in a kind of four chambeies of the utility model 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.
The model utility content
The utility model 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 utility model adopts is: the two media in a kind of 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 utility model compared with prior art has is: the utility model has solved two kinds of hydraulic medium interstitial fluids and has pressed the problem that power is transmitted; Simple in structure; Reliable operation; Volume is little, and 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 a kind of four chambeies of the utility model back and forth being moved hydraulic pressure installation further specifies.
Fig. 1 is the structural representation of the utility model.
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 a kind of four chambeies of the utility model 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 utility model 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.
In order to improve the stability of hydraulic fluid pressure, augmented flow can adopt two cover the utility model devices 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 chamber 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 a kind of 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 a kind of 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 |
|---|---|---|---|
| CN 201220155848 CN202579380U (en) | 2012-04-13 | 2012-04-13 | Four-cavity double-medium reciprocating hydraulic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220155848 CN202579380U (en) | 2012-04-13 | 2012-04-13 | Four-cavity double-medium reciprocating hydraulic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202579380U true CN202579380U (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220155848 Expired - Fee Related CN202579380U (en) | 2012-04-13 | 2012-04-13 | Four-cavity double-medium reciprocating hydraulic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202579380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619795A (en) * | 2012-04-13 | 2012-08-01 | 长治市永华机械有限公司 | Four-cavity dual-medium reciprocating hydraulic device |
-
2012
- 2012-04-13 CN CN 201220155848 patent/CN202579380U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102619795A (en) * | 2012-04-13 | 2012-08-01 | 长治市永华机械有限公司 | Four-cavity dual-medium reciprocating hydraulic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |