CN202194800U - Oil-pressure piston oil-free extra-high-pressure air compressor - Google Patents
Oil-pressure piston oil-free extra-high-pressure air compressor Download PDFInfo
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- CN202194800U CN202194800U CN2011202605941U CN201120260594U CN202194800U CN 202194800 U CN202194800 U CN 202194800U CN 2011202605941 U CN2011202605941 U CN 2011202605941U CN 201120260594 U CN201120260594 U CN 201120260594U CN 202194800 U CN202194800 U CN 202194800U
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Abstract
The utility model discloses an oil-pressure piston oil-free extra-high-pressure air compressor, which is characterized by comprising two oil-free air cylinders, an oil-pressure cylinder and an oil supply system. The oil-pressure cylinder is arranged between the two oil-free air cylinders, the oil-pressure cylinder and the oil-free air cylinders are sealed through oil seal bushings, a piston in the oil-pressure cylinder is connected with pistons in the oil-free air cylinders through piston rods, and the oil supply system is communicated with the oil-pressure cylinder. The oil-pressure piston oil-free extra-high-pressure air compressor has the advantages of being small in volume, simple in structure, reliable, energy-saving, free of vibration, oil consumption and medium pollution, strong in sealing effect, long in service life of sealing parts, low in noise, high in pressure, especially suitable for gas filling stations of oil-free high pressure air automobiles.
Description
Technical field
The utility model relates to a kind of air compressor that is used to compress all gases, and especially a kind of hydraulic type piston that need not lubricant oil does not have oily extra-high voltage air compressor, belongs to the Compressor Technology field.
Background technique
At present, cleaning vehicle, clear energy sources, carbon reduction are all being advocated in the whole world, and empty ability motor begin the operation that puts goods on the market; Green energy resource and energy saving have all been played model's effect; Greatly promoted the formation of energy revolution new mode, in addition, the whole world is more urgent to no petrol car high pressure gas station demand; At present domestic only have mechanical piston type high-pressure unit to use; The medium of this kind high-pressure unit has oil, noise pollution serious, and cost an arm and a leg, energy consumption is big, can't satisfy existing: one, medium does not have oil; Two, noise is less than 70d (A); Three, energy consumption is low; Four, pressure is up to the requirement of the service condition of 650kg.
In addition; At present more common mechanical piston formula compressor is in-problem mainly to be shown: crankshaft-link rod is made the principal element that the caused lateral force of rotate-stationary mode is a harm machine quality; And volume is big, complex structure, sealing are poor, do not economize merit, oil consumption is big, medium oil-containing (if select the high pressure oil removing, then oil removing means more complicacy are more expensive), the special multidimensional of easily damaged parts protect the cost height, noise pollution is big.
Summary of the invention
The purpose of the utility model is to provide a kind of lubricant oil, simple in structure, easy to use, environmental protection and energy saving low noise, volume is little, pressure is high hydraulic type piston of not needing not have oily extra-high voltage air compressor.
In order to solve the problem that exists in the above-mentioned existing technology, the technological scheme that the utility model adopted is:
A kind of hydraulic type piston does not have oily extra-high voltage air compressor; It is characterized in that; Comprise two no oily cylinders, oil hydraulic cylinder and oil supply system, wherein oil hydraulic cylinder is positioned in the middle of two no oily cylinders, between oil hydraulic cylinder and the no oily cylinder through the oil sealing seal with buss; Piston in the oil hydraulic cylinder is connected with piston in the no oily cylinder through piston rod, and described oil supply system is communicated with oil hydraulic cylinder.
Also be provided with Sealing between above-mentioned nothing oil cylinder inner wall and the piston in the no oily cylinder, described Sealing is a balance back pressure ring, and balance back pressure ring also is a kind of selflubricating ring.
The outside of above-mentioned nothing oil cylinder also is provided with cooling jacket, and on no oily cylinder, also is provided with return-air sewage draining exit, pressure transducer, and also is provided with displacement transducer on the no oily cylinder in two no oily cylinders.
In addition, on above-mentioned nothing oil cylinder, also be provided with temperature-sensing rod and temperature transmitter, temperature-sensing rod is connected with temperature transmitter.
Above-mentioned oil supply system comprises oil pressure station, Variable plunger pump, electro-hydraulic reversing valve, guide's electromagnetic relief valve and oil cooler; The oil pressure station is communicated with Variable plunger pump; And the outlet of oil pressure station is connected with electro-hydraulic reversing valve through one-way valve, and electro-hydraulic reversing valve is communicated with above-mentioned oil hydraulic cylinder, in addition; Between one-way valve and electro-hydraulic reversing valve, also be provided with guide's electromagnetic relief valve, and on electro-hydraulic reversing valve, also be provided with oil cooler.
Further, above-mentioned hydraulic type piston does not have oily extra-high voltage air compressor and is provided with many groups, and is set up in parallel.
The beneficial effect of the utility model is: the utility model volume is little, the result is simple; Have reliable, energy-conservation, friction, no oil consumption, no medium pollution, sealing effect is strong, seal life is long, low noise, pressure advantages of higher, be specially adapted to not have innage and press the air Vehicle Fueling Station to use.
Description of drawings
Fig. 1 is the utility model one embodiment's a cross-sectional view;
Fig. 2 is the utility model one embodiment's an application structure schematic representation.
Main reference character implication is among the figure:
1, oil hydraulic cylinder 2, no oily cylinder 3, oil sealing lining 4, piston
5, piston rod 6, cooling jacket 7, return-air sewage draining exit 8, displacement transducer
9, pressure transducer 10, temperature-sensing rod 11, temperature transmitter 12, oil pressure station
13, Variable plunger pump 14, electro-hydraulic reversing valve 15, guide's electromagnetic relief valve
16, oil cooler 17, one-way valve 18, scroll compressor.
Embodiment
Below in conjunction with accompanying drawing, specify the specific embodiment of the utility model.
Fig. 1 is the utility model one embodiment's a cross-sectional view; Fig. 2 is the utility model one embodiment's an application structure schematic representation.
As depicted in figs. 1 and 2: the hydraulic type piston does not have oily extra-high voltage air compressor, comprises two no oily cylinders 2, an oil hydraulic cylinder 1 and an oil supply system, and wherein oil hydraulic cylinder 1 is positioned in the middle of two no oily cylinders 2; Through oil sealing lining 3 sealing, the piston 4 in the oil hydraulic cylinder 1 is connected with piston 4 in the no oily cylinder 1 through piston rod 5, in two no oily cylinders between oil hydraulic cylinder 1 and the no oily cylinder 2; Two piston rods 5 are split-type structural, can guarantee concentricity during installation, and the whole degree of element cylinder does not influence the work of selflubricating ring when handing over negative load; And described oil supply system is communicated with oil hydraulic cylinder, and in this mode of execution, oil supply system comprises oil pressure station 12, Variable plunger pump 13, electro-hydraulic reversing valve 14, guide's electromagnetic relief valve 15 and oil cooler 16; Oil pressure station 12 is communicated with Variable plunger pump 13, and oil pressure station 12 outlet is connected with electro-hydraulic reversing valve 14 through one-way valve 17, and electro-hydraulic reversing valve 14 is communicated with above-mentioned oil hydraulic cylinder 1; In addition; Between one-way valve 17 and electro-hydraulic reversing valve 14, also be provided with guide's electromagnetic relief valve 15, and on electro-hydraulic reversing valve 14, also be provided with oil cooler 16, in this mode of execution; Described Variable plunger pump 13 is the YCY100 Variable plunger pump; It economizes 30% power consumpiton, and electro-hydraulic reversing valve 14 is electro-hydraulic reversing valve 4WEH16E/6AW220ETS2, and guide's electromagnetic relief valve is DBW20 guide's electromagnetic relief valve.
The cylinder 2 of the inner wall of the oil-oil within the cylinder 2 is arranged between the piston 4 to a seal, said seal ring to balance the back pressure, back pressure balancing ring is a self-lubricating ring, the back pressure balance ring than the pressure equalization before, greatly reducing wear, self-lubricating ring for work, therefore, in the absence of oil in the cylinder 2, no oil, so that its medium is not oil pollution, to ensure the quality of the gas, and the balance back preclude the use of pressure ring in a straight line movement, link speed does not exceed 3M / S, while the utility model loop speed of only 0.27 / S, increased seal life, to 16000h, or even longer.
In addition, also be provided with cooling jacket 6, make the temperature of compressed media drop to setting value in the outside of no oily cylinder 2; Satisfy the cooling condition of multistage compression, create a working environment and be fit to selflubricating ring work, guarantee that the air inlet quality improves air displacement less than 100 ℃; And on no oily cylinder 2, also be provided with return-air sewage draining exit 7, let out under a spot of gas with dewfall and arrange to also being provided with pressure transducer 9 to specifying in the collecting tank, not having in the oily cylinder 2 by 7 unifications of return-air sewage draining exit; Temperature-sensing rod 10 and temperature transmitter 11; Temperature-sensing rod 10 is connected with temperature transmitter 11, and also is provided with displacement transducer 8 on the no oily cylinder in two no oily cylinders 2, and displacement transducer 8 is controlled by PLC; Can be according to suction pressure and air inflow adjustment commutating speed; The adjustment clearance volume makes the compressor smooth working, is tangible than mechanical switching signal its advantage of comparing.
Traditional air compressor mechanism all is with the pressure emptying in the cylinder after shutdown, wastes very much resource; And because the utility model sealability is very good; When restarting, can load start PLC, search out the control that piston 4 positions load oil pressure automatically through displacement transducer 8.
And in this mode of execution, above-mentioned hydraulic type piston does not have oily extra-high voltage air compressor and is provided with two groups, and is set up in parallel, and forms four no oily cylinders, realizes four sections high voltage oil-free compressions, can be set up in parallel for many groups yet.
The working procedure of the utility model is: the start button in the start-up control system, the motor of Variable plunger pump 13 carry out the step-down of star triangle and start automatically, when the star triangle reduced-voltage starting time reaches setting value; Start the loop and automatically switch to major loop, electromagnetic relief valve 15 energisings at oil pressure station 12 at this moment are when the electromagnetic coil L1 of electro-hydraulic reversing valve 14 switches on; The piston rod 5 of oil hydraulic cylinder 1 goes out to a thruster, moves to the cylinder cap direction from the pistons 4 of wearing a moving side and not having in the oil gas cylinder 2, and should begin pressurized air by no oily cylinder 2 this moment; When the displacement amount of piston 4 arrived piston top dead center, the displacement transducer that is loaded on no oil gas cylinder cap gave electrical signal in PLC, and this moment, PLC switched on the electromagnetic coil L2 of electro-hydraulic reversing valve 14; The L1 outage, the piston rod 5 of oil hydraulic cylinder 1 is released to opposite opposite side, and the piston that drives no oil gas cylinder 2 is return; Pressurized cylinder begins air-breathing, and along with coil L1, L2 switching electricity, oil hydraulic cylinder 1 carries out back and forth movement accordingly; The no oil gas cylinder 2 of pressure-increasing machine is also corresponding accomplishes the work cycle of air-breathing, compression, exhaust; Variable plunger pump 13 starts normal, after oil hydraulic cylinder 1,2 operations normally of no oil gas cylinder, restarts scroll compressor 18.
In scroll compressor 18 normal operation processes; Monitor with the hydraulic pressure of 9 pairs of scroll compressors 18 of pressure transducer, oil pressure, delivery temperature, suction pressure, exhaust pressure etc., electromotor overload, short circuit, phase shortage etc. are controlled with thermal overload relay and circuit breaker.As: normally in service at compressor, the final stage exhaust pressure is monitored by pressure transducer 9 automatically, when exhaust pressure is higher than upper limit set value, the compressor autostop.
And before starting scroll compressor 18, must open water supply valve earlier; Normally in service at scroll compressor 18, in case when hydraulic pressure is lower than default value, scroll compressor 18 autostops; Before starting after pending fault is got rid of next time, must by field control cashier's office in a shop ACK button reset.
In addition, normally in service at scroll compressor 18, temperature-sensing rod 10 is monitored with temperature transmitter 11 automatically; When in case delivery temperatures at different levels surpass setting value; Scroll compressor 18 autostops before starting after pending fault is got rid of, must reset by ACK button on the control cabinet next time.
Below disclose the utility model with preferred embodiment, so it is not in order to restriction the utility model, and all employings are equal to replacement or the technological scheme that obtained of equivalent transformation mode, all drop within the protection domain of the utility model.
Claims (9)
1. a hydraulic type piston does not have oily extra-high voltage air compressor; It is characterized in that; Comprise two no oily cylinders, oil hydraulic cylinder and oil supply system, wherein oil hydraulic cylinder is positioned in the middle of two no oily cylinders, between oil hydraulic cylinder and the no oily cylinder through the oil sealing seal with buss; Piston in the oil hydraulic cylinder is connected with piston in the no oily cylinder through piston rod, and described oil supply system is communicated with oil hydraulic cylinder.
2. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with Sealing between the piston in described no oily cylinder inner wall and the no oily cylinder, and described Sealing is a balance back pressure ring.
3. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, the outside of described no oily cylinder also is provided with cooling jacket.
4. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with the return-air sewage draining exit on the described no oily cylinder.
5. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with displacement transducer on a no oily cylinder therein.
6. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with pressure transducer on the described no oily cylinder.
7. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that, also is provided with temperature-sensing rod and temperature transmitter on the described no oily cylinder, and temperature-sensing rod is connected with temperature transmitter.
8. hydraulic type piston according to claim 1 does not have oily extra-high voltage air compressor, it is characterized in that,
Described oil supply system comprises oil pressure station, Variable plunger pump, electro-hydraulic reversing valve, guide's electromagnetic relief valve and oil cooler; The oil pressure station is communicated with Variable plunger pump; And the outlet of oil pressure station is connected with electro-hydraulic reversing valve through one-way valve, and electro-hydraulic reversing valve is communicated with above-mentioned oil hydraulic cylinder, in addition; Between one-way valve and electro-hydraulic reversing valve, also be provided with guide's electromagnetic relief valve, and on electro-hydraulic reversing valve, also be provided with oil cooler.
9. do not have oily extra-high voltage air compressor according to the described hydraulic type piston of each claim of claim 1-8, it is characterized in that, described hydraulic type piston does not have oily extra-high voltage air compressor and is provided with many groups, and is set up in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202605941U CN202194800U (en) | 2011-07-22 | 2011-07-22 | Oil-pressure piston oil-free extra-high-pressure air compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202605941U CN202194800U (en) | 2011-07-22 | 2011-07-22 | Oil-pressure piston oil-free extra-high-pressure air compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202194800U true CN202194800U (en) | 2012-04-18 |
Family
ID=45949715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202605941U Expired - Lifetime CN202194800U (en) | 2011-07-22 | 2011-07-22 | Oil-pressure piston oil-free extra-high-pressure air compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202194800U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230460A (en) * | 2011-07-22 | 2011-11-02 | 昆山亿卡迪机电有限公司 | Oil hydraulic type piston oil-free extra-high pressure air compressor |
| CN110345042A (en) * | 2019-07-09 | 2019-10-18 | 伏世福 | A kind of hydraulic piston type coexistence of gas and liquid body supercharger |
-
2011
- 2011-07-22 CN CN2011202605941U patent/CN202194800U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102230460A (en) * | 2011-07-22 | 2011-11-02 | 昆山亿卡迪机电有限公司 | Oil hydraulic type piston oil-free extra-high pressure air compressor |
| CN110345042A (en) * | 2019-07-09 | 2019-10-18 | 伏世福 | A kind of hydraulic piston type coexistence of gas and liquid body supercharger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: JIANGSU ECADY MACHINERY CO., LTD. Free format text: FORMER NAME: KUNSHAN ECADY M + E CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Peng town Kunshan city green road Suzhou city Jiangsu province 215332 No. 918 Patentee after: JIANGSU ECADY MACHINERY INDUSTRIAL GROUP CO., LTD. Address before: Peng town Kunshan city green road Suzhou city Jiangsu province 215332 No. 918 Patentee before: Kunshan Ecady Machinery & Electronic Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120418 |