CN210919370U - Double-oil-cylinder controlled gas two-stage compression cylinder - Google Patents
Double-oil-cylinder controlled gas two-stage compression cylinder Download PDFInfo
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- CN210919370U CN210919370U CN201921938074.4U CN201921938074U CN210919370U CN 210919370 U CN210919370 U CN 210919370U CN 201921938074 U CN201921938074 U CN 201921938074U CN 210919370 U CN210919370 U CN 210919370U
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Abstract
The utility model provides a gas two-stage compression cylinder controlled by double oil cylinders, which relates to the technical field of gas compression devices and comprises a first compression cylinder, a second compression cylinder, a first oil cylinder, a second oil cylinder and an oil pump, the oil tank, the switching-over valve with reveal monitoring devices, be provided with first hydro-cylinder and second hydro-cylinder between first compression cylinder and the second compression cylinder, the piston rod passes first hydro-cylinder and second hydro-cylinder both ends and first compression cylinder, the cylinder piston in the second compression cylinder is fixed to, the bore diameter of first compression cylinder is greater than the bore diameter of second compression cylinder, between first compression cylinder and the first hydro-cylinder, between first hydro-cylinder and the second hydro-cylinder, all be provided with between second hydro-cylinder and the second compression cylinder and reveal monitoring devices, first hydro-cylinder and second hydro-cylinder are connected with oil pump and switching-over valve respectively, be provided with the radiator on the gas connecting pipeline between first compression cylinder and the second compression cylinder. The two-stage compression cylinder is provided with two oil cylinders, so that adjustment among different working conditions can be realized.
Description
Technical Field
The utility model belongs to the technical field of the gas compression device technique and specifically relates to a gaseous two-stage compression cylinder of two hydro-cylinders control.
Background
Currently compressing air or other media, compression cylinders are used which comprise: one-stage compression, the piston slides in the compression cylinder to compress. The compression cylinders are classified according to the action mode, and comprise a single-action compressor and a double-action compressor, wherein the compressed medium is compressed on one side of a piston only, the piston reciprocates one stroke, and air suction and air exhaust are carried out once respectively; the double-acting compressor is compressed by compressed media in the cylinders at two sides of the piston in turn, the piston makes a stroke back and forth, and the air suction and the air exhaust are respectively carried out twice, and the air suction amount of the double-acting compressor is larger than that of a single action, but the structure of the double-acting compressor is more complex.
For multi-stage compression cylinders, most of the multi-stage compression cylinders can only realize compression with a fixed compression ratio, and the same compression cylinder can only work under a fixed working condition, so that the investment cost is increased if different working conditions need to be improved or a plurality of compression cylinder devices need to be used; in order to achieve working adjustment of different working conditions in the same equipment, further improvements to the existing compression cylinder are needed.
SUMMERY OF THE UTILITY MODEL
In order to realize the adjustment of the different operating modes of same compression cylinder equipment, the utility model provides a gaseous two-stage compression cylinder of two hydro-cylinder control, concrete technical scheme is as follows:
a gas two-stage compression cylinder controlled by double oil cylinders comprises a first compression cylinder, a second compression cylinder, a first oil cylinder, a second oil cylinder, an oil pump, an oil tank, a reversing valve and a leakage monitoring device, wherein the first oil cylinder and the second oil cylinder are arranged between the first compression cylinder and the second compression cylinder, pistons are arranged in the first compression cylinder, the second compression cylinder, the first oil cylinder and the second oil cylinder, and 4 pistons are arranged on the piston rods; the piston rod penetrates through the first oil cylinder and the second oil cylinder, and two ends of the piston rod are fixedly connected with the cylinder pistons in the first compression cylinder and the second compression cylinder; the cylinder diameter of the first compression cylinder is larger than that of the second compression cylinder, and leakage monitoring devices are arranged between the first compression cylinder and the first oil cylinder, between the first oil cylinder and the second oil cylinder and between the second oil cylinder and the second compression cylinder; the first oil cylinder and the second oil cylinder are respectively and independently connected with an oil pump and a reversing valve, and a first radiator is arranged on a gas connecting pipeline between the first compression cylinder and the second compression cylinder.
Preferably, the oil pump comprises a first oil pump and a second oil pump, the reversing valve comprises a first reversing valve and a second reversing valve, and the first oil pump and the second oil pump are connected with the same oil tank.
Preferably, the ends of the first and second compression cylinders are each provided with a displacement sensor.
Preferably, the second cylinder has a larger cylinder diameter than the first cylinder.
It is further preferred that an accumulator is provided between the oil pump and the reversing valve.
It is further preferred that a second radiator is provided on the air outlet pipe of the second compression cylinder.
Further preferably, the leakage monitoring device comprises an oil-gas isolation sealing structure and an oil-gas monitoring channel, and the oil-gas monitoring channel comprises an air tightness detection channel and an oil tightness detection channel.
Preferably, the piston rod passes through the first compression cylinder, the second compression cylinder, the first oil cylinder and the second oil cylinder, and the parts of the cylinder piston connected with the first compression cylinder and the second compression cylinder are sealed by oil-free lubrication.
The utility model has the advantages that the two-stage gas compression cylinder controlled by the two oil cylinders is provided with two oil cylinders, so that when 1 oil cylinder works, the other oil cylinder is unloaded, and the switching of different working conditions can be realized by using two oil pumps with different discharge capacities and switching the working states of the two oil cylinders; in addition, the energy accumulator is arranged to avoid fluctuation of a hydraulic pipeline, the displacement sensor is arranged to better control the movement of the piston, the compression cylinder is provided with different cylinder diameters, so that the compression ratio can be reasonably set, and the leakage monitoring device can guarantee the sealing performance and timely overhaul.
Drawings
FIG. 1 is a schematic diagram of a dual cylinder controlled gas two stage compression cylinder configuration;
in the figure: 1-a first compression cylinder; 2-a second compression cylinder; 3-a first oil cylinder; 4-a second oil cylinder; 5-an oil pump; 501-a first oil pump; 502-a second oil pump; 6-an oil tank; 7-a reversing valve; 701-a first reversing valve; 702-a second directional valve; 8-a leak monitoring device; 801-air tightness monitoring channel; 802-oil tightness monitoring channel; 9-a radiator; 901 a first heat sink; 902-a second heat sink; 10-an oil cooler; 11-a piston rod; 12-a displacement sensor; 13-an accumulator.
Detailed Description
Referring to fig. 1, the present invention provides a dual cylinder controlled gas two-stage compression cylinder in the following embodiments.
The utility model provides a gaseous two-stage compression jar of two hydro-cylinders control specifically includes first compression cylinder 1, second compression cylinder 2, first hydro-cylinder 3, second hydro-cylinder 4, oil pump 5, oil tank 6, switching-over valve 7 and reveal monitoring devices 8, first compression cylinder 1 and second compression cylinder 2 realize the two-stage compression to gas, thereby first hydro-cylinder 3 and second hydro-cylinder 4 alternate work change equipment operating mode in a flexible way, use the oil pump 5 of 2 different models, reveal monitoring devices 8 monitoring compression cylinder and hydro-cylinder between and the sealed condition between hydro-cylinder and the hydro-cylinder. The two-stage gas compression cylinder controlled by the double oil cylinders is provided with the two oil cylinders, so that when 1 oil cylinder works, the other oil cylinder is in no-load, and the switching of different working conditions can be realized by using two oil pumps with different discharge capacities and switching the working states of the two oil cylinders.
A first oil cylinder 3 and a second oil cylinder 4 are arranged between the first compression cylinder 1 and the second compression cylinder 2, pistons are arranged in the first compression cylinder 1, the second compression cylinder 2, the first oil cylinder 3 and the second oil cylinder 4, the oil cylinders comprise the first oil cylinder and the second oil cylinder, the compression cylinders comprise the first compression cylinder and the second compression cylinder, 4 pistons are arranged on the piston rod 11, and the pistons comprise cylinder pistons in the compression cylinders and cylinder pistons in the oil cylinders; the 4 pistons are respectively determined according to the positions of the compression cylinder and the oil cylinder, and the displacement and the power can be adjusted to adapt to different compression working conditions by changing the working oil cylinder at the middle position of the compression cylinder and the oil cylinder through the arrangement of the two oil cylinders with different cylinder diameters. Piston rod 11 passes first hydro-cylinder 3 and second hydro-cylinder 4, 11 both ends of piston rod and first compression cylinder 1, the cylinder piston in the second compression cylinder 2 is to fixed connection, the bore diameter of first compression cylinder 1 is greater than the bore diameter of second compression cylinder 2, set up the compression ratio that different bore diameters can adjust the compression, between first compression cylinder 1 and first hydro-cylinder 3, between first hydro-cylinder 3 and second hydro-cylinder 4, all be provided with between second hydro-cylinder 4 and the second compression cylinder 2 and reveal monitoring devices 8, it can guarantee sealing performance and in time overhaul to reveal monitoring devices. The first oil cylinder 3 and the second oil cylinder 4 are respectively and independently connected with an oil pump and a reversing valve to provide power for the movement of an oil cylinder piston, and a first radiator 901 is arranged on a gas connecting pipeline between the first compression cylinder 1 and the second compression cylinder 2 to cool compressed gas and prevent compression overheating.
Wherein, the compression cylinder and the oil cylinder, the oil cylinder and the oil cylinder, and the end part of the compression cylinder are all provided with clapboards which are fixed by a same pull rod, wherein, the compression cylinder and the oil cylinder are coaxially arranged, and the piston rod is arranged in the axial direction. The oil pump 5 comprises a first oil pump 501 and a second oil pump 502, the reversing valve 7 comprises a first reversing valve 701 and a second reversing valve 702, the first oil pump 501 and the second oil pump 502 are connected with the same oil tank 6, and the oil tank can be further connected with an oil cooler 10 to avoid overheating of hydraulic oil. The ends of the first and second compression cylinders 1, 2 are each provided with a displacement sensor 12. The diameter of the second oil cylinder 4 is larger than that of the first oil cylinder 3, and different cylinder diameters can further change the working conditions. An accumulator 13 is arranged between the oil pump 5 and the reversing valve 7, and the accumulator 13 can avoid fluctuation of a hydraulic pipeline. And a second radiator 902 is arranged on an air outlet pipeline of the second compression cylinder 2 to cool the gas after two-stage compression. Leak monitoring devices 8 and include that seal structure and oil gas monitoring channel are kept apart to oil gas, and oil gas monitoring channel includes gas tightness detecting channel and oil tightness detecting channel, and one side that is close to the hydro-cylinder sets up oil tightness detecting channel 802, and one side that is close to the compression cylinder sets up gas tightness detecting channel 801, and gas tightness detecting channel 801 and oil tightness detecting channel 802 are used for detecting the leakage and prevent to suppress the pressure. The piston rod 11 passes through the positions of the first compression cylinder, the second compression cylinder, the first oil cylinder and the second oil cylinder, and the positions of the piston of the air cylinder, which are connected with the first compression cylinder and the second compression cylinder, are sealed by using oil-free lubrication, so that the oil cylinder and the compression cylinder are completely separated, and the compressed gas cannot be polluted.
And starting the gas two-stage compression cylinder controlled by the double oil cylinders, wherein when the first oil pump works, the oil pump starts to supply oil to the first oil cylinder, and at the moment, the second oil cylinder is in an idle state. When the piston moves left, the cavity A2 of the first compression cylinder is filled with air, the medium in the cavity A1 is compressed under the action of the one-way valve, the heat is dissipated through the radiator and enters the cavity D2 of the second compression cylinder, and the medium in the cavity D1 of the second compression cylinder is dissipated through the secondary radiator and is discharged into an external storage. The inner diameters of the first compression cylinder and the second compression cylinder are different, so that compression ratio is adopted to realize compression pressurization of gas, when the piston moves to the limit position, the displacement sensor transmits a position signal to the control system to execute reversing, the control system is particularly connected with the oil pump and the reversing valve to control the oil pump and the reversing valve, the piston rod drives the piston to move right, the cavity A1 of the first compression cylinder is filled with gas, the medium in the cavity A2 is pressed into the cavity D1 of the second compression cylinder through the radiator under the action of pressure, and the medium in the cavity D2 is discharged into an external storage after secondary heat dissipation. Under the drive of the oil pump, the piston realizes reciprocating motion, thereby realizing continuous compression of a compression medium. When the second oil cylinder is switched on, the first oil cylinder is unloaded, so that the working condition adjustment can be realized.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present invention should also belong to the protection scope of the present invention.
Claims (8)
1. A gas two-stage compression cylinder controlled by double oil cylinders is characterized by comprising a first compression cylinder, a second compression cylinder, a first oil cylinder, a second oil cylinder, an oil pump, an oil tank, a reversing valve and a leakage monitoring device, wherein the first oil cylinder and the second oil cylinder are arranged between the first compression cylinder and the second compression cylinder, pistons are arranged in the first compression cylinder, the second compression cylinder, the first oil cylinder and the second oil cylinder, and 4 pistons are arranged on the piston rods; the piston rod penetrates through the first oil cylinder and the second oil cylinder, and two ends of the piston rod are fixedly connected with the cylinder pistons in the first compression cylinder and the second compression cylinder; the cylinder diameter of the first compression cylinder is larger than that of the second compression cylinder, and leakage monitoring devices are arranged between the first compression cylinder and the first oil cylinder, between the first oil cylinder and the second oil cylinder and between the second oil cylinder and the second compression cylinder; the first oil cylinder and the second oil cylinder are respectively and independently connected with an oil pump and a reversing valve, and a first radiator is arranged on a gas connecting pipeline between the first compression cylinder and the second compression cylinder.
2. The dual cylinder controlled gas two stage compression cylinder of claim 1, wherein said oil pump comprises a first oil pump and a second oil pump, and wherein said reversing valve comprises a first reversing valve and a second reversing valve, said first oil pump and said second oil pump being connected to a common oil tank.
3. A dual cylinder controlled gas two stage compression cylinder as in claim 1 wherein the ends of said first and second compression cylinders are each provided with a displacement sensor.
4. The dual cylinder controlled gas two stage compression cylinder of claim 1, wherein the second cylinder has a larger bore diameter than the first cylinder.
5. A dual cylinder controlled gas two stage compression cylinder as claimed in claim 1 or claim 2 in which an accumulator is provided between the oil pump and the reversing valve.
6. The dual cylinder controlled gas two stage compression cylinder of any one of claims 1 to 4, wherein a second radiator is provided on the gas outlet line of the second compression cylinder.
7. The dual cylinder controlled gas two stage compression cylinder of any one of claims 1 to 4, wherein said leak monitoring means comprises an oil and gas isolation seal and an oil and gas monitoring passageway, said oil and gas monitoring passageway comprising an air tightness sensing passageway and an oil tightness sensing passageway.
8. The dual cylinder controlled gas two stage compression cylinder of claim 2 wherein the piston rod extends through the first compression cylinder, the second compression cylinder, the first cylinder and the second cylinder, and the cylinder piston is sealed to the first compression cylinder and the second compression cylinder using oil-free lubrication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938074.4U CN210919370U (en) | 2019-11-12 | 2019-11-12 | Double-oil-cylinder controlled gas two-stage compression cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921938074.4U CN210919370U (en) | 2019-11-12 | 2019-11-12 | Double-oil-cylinder controlled gas two-stage compression cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210919370U true CN210919370U (en) | 2020-07-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921938074.4U Active CN210919370U (en) | 2019-11-12 | 2019-11-12 | Double-oil-cylinder controlled gas two-stage compression cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210919370U (en) |
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2019
- 2019-11-12 CN CN201921938074.4U patent/CN210919370U/en active Active
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