CN202545248U - Double-cylinder rotary compressor - Google Patents
Double-cylinder rotary compressor Download PDFInfo
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- CN202545248U CN202545248U CN2011205026921U CN201120502692U CN202545248U CN 202545248 U CN202545248 U CN 202545248U CN 2011205026921 U CN2011205026921 U CN 2011205026921U CN 201120502692 U CN201120502692 U CN 201120502692U CN 202545248 U CN202545248 U CN 202545248U
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Abstract
The utility model relates to a double-cylinder rotary compression machine, which comprises an outer cylinder, an oval rotor and an inner cylinder which are installed concentrically, wherein the inner short shaft of the oval rotor is equal to the outside diameter of the inner cylinder; the outer long shaft of the oval rotor is equal to the inside diameter of the outer cylinder; at the instant of any movement, the outside surface of the oval rotor is tangent to the inner wall surface of the outer cylinder; the inside surface of the oval rotor is tangent to the outer wall surface of the inner cylinder; two pairs of sliding sheets are respectively arranged on the inner cylinder and the outer cylinder; two pairs of air inlet cavities and exhaust cavities are arranged on the inner cylinder; a crescent volume is divided into two pairs of air inlet liquid cavities and compression and exhaust liquid cavities through the inner cylinder, the outer cylinder, the oval rotor and the sliding plate, so that four pairs of corresponding working volumes are formed; and four pairs of air inlet and outlet liquid holes are respectively arranged on the inner cylinder and the outer cylinder. The double-cylinder rotary compressor disclosed by the utility model has the advantages of high mechanical efficiency, no vibration, steady working, small volume, uniform stress of a main shaft, low airflow pulse and simple structure and is capable of eliminating unbalanced force; and the double-cylinder rotary compressor is used in compressors, fluid pumps and vacuum pumps of various gases.
Description
Technical field
The utility model relates to a kind of rotary compressor, is specifically related to a kind of compression that can be used for all gases, and the conveying of fluid mixes the twin-tub rotation-type compressor of defeated and field of vacuum with oil, gas.
Background technique
Compressor and fluid pump are a kind of universal machines that is widely used in every field such as machinery, chemical industry, communications and transportation, air conditioner refrigerating and national defense construction.In field of Refrigeration and Air-conditioning, compressor is important heart equipment especially; In oilfield exploitation; The heterogeneous long distances of crude oil, association G&W is that the technical barrier in defeated is mixed in the oil field, especially in the mountain area, desert and marine oil field oil-gas mixed delivery pump study focus especially, oil, gas mix defeated not only can cost saving; Simplify technological process and improve tar productivity; Also can significantly reduce because carbon emission amount that the associated gas burning is produced and recovery associated gas are saved the energy, mixing defeated visual plant is oil-gas mixed delivery pump.
What in above-mentioned field, use at present is that rolling piston compressor tool and rotor compression machinery all have a selenodont active chamber; Through slide plate selenodont active chamber is isolated into air-inlet cavity and compression chamber; The rotation of rotor or rolling piston makes air-inlet cavity and compression chamber volume produce variation, realizes the air-breathing liquid and the exhaust liquid of compressed machinery.But; This traditional rolling piston compressor tool and the insurmountable problem of rotor compression machinery are: first revolution has only a volume in the compression of carrying out gas, and efficient is low, has caused the waste of the energy and the instability of electrical network; The change in torque of another one in the operation cycle is big; In order to make rotating speed even, then need a bigger flywheel balancing, increased manufacturing expense; Its two be a work cycle exhaust once, in pipeline, formed bigger gas, caused Analysis of Pipe Vibrations, influenced mechanical stability and reliability; It three is the rotor geometrical center and the rotating center decentraction of compressor with rolling rotor; There is a throw of eccentric; The machining error of crank throw can run up on the sealing surface of rotor and cylinder, has not only influenced the sealing of the outer surface and the cylinder inner wall face of rotor, has reduced volumetric efficiency; Centrifugal inertia force also can cause the vibration of machine, simultaneously the processing technology more complicated of crank shaft.
The model utility content
The purpose of the utility model is the shortcoming to traditional rolling piston compressor tool and rotor compression machinery; Provide that a kind of efficient that can effectively solve traditional rolling piston compressor and rotor-type compressor is low, gas is big, the unsettled twin-tub rotation-type compressor of machine run.
For achieving the above object, the technological scheme that the utility model adopts is: comprise the outside cylinder, elliptic rotor, inside cylinder and the cylinder head that are installed in one heart on the bracket, main shaft is installed in the geometrical center of elliptic rotor; The external diameter of elliptic rotor major axis equals the internal diameter of outside cylinder; The internal diameter of elliptic rotor minor axis equals the external diameter of inside cylinder; On outside cylinder and inside cylinder, be separately installed with two outside cylinder slide plates that are oppositely arranged and two inside cylinder slide plates that are oppositely arranged; One end of two outside cylinder slide plates and the outer surface of elliptic rotor are tangent; The other end contacts with the outside cylinder sliding blade spring, and the outer surface of outside cylinder internal face, elliptic rotor and two outside cylinder slide plates form four outer swept volumes, and offer outside cylinder air inlet liquid mouth and outside cylinder exhaust liquid mouth in proper order in the upper both sides in two outside cylinder slide plates that are oppositely arranged of outside cylinder;
One end of described two inside cylinder slide plates and the internal surface of elliptic rotor are tangent; The other end contacts with the inside cylinder sliding blade spring; The internal surface of inside cylinder outer wall, elliptic rotor and two inside cylinder slide plates form four interior swept volumes; The both sides that are positioned at two inside cylinder slide plates that are oppositely arranged on the inside cylinder offer inside cylinder air inlet liquid mouth and inside cylinder exhaust liquid mouth in proper order; Wherein inside cylinder air inlet liquid mouth is connected with inside cylinder air inlet sap cavity respectively, and inside cylinder exhaust liquid mouth is connected with inside cylinder exhaust sap cavity respectively;
The axial length of described elliptic rotor, outside cylinder, inside cylinder, outside cylinder slide plate and inside cylinder slide plate equates.
Offer two outside cylinder vane slot and inside cylinder vane slots that are used to install outside cylinder slide plate, inside cylinder slide plate on described outside cylinder, the inside cylinder relatively.
The outside of described cylinder head also is equipped with exhausting buffer.
On described inside cylinder exhaust liquid mouth and the outside cylinder exhaust liquid mouth inside cylinder outlet valve and outside cylinder outlet valve are installed all.
The utility model is provided with inside and outside two cylinders; Traditional rolling rotor and rotary compressor one changeed a work cycle to be changed one into and changes inside and outside cylinder and be respectively two work cycle; Therefore efficient is high; Just in one changes, four pairs of swept volumes are arranged simultaneously in air inlet liquid and compression, four exhaust processes are arranged, its air displacement increases nearly four times than the compressor with rolling rotor and the rotary compressor of equal volume; The asynchronism(-nization) step that interior outside cylinder begins to compress differs 90 °, so live axle is stressed even, gas is little, and stabilization of speed need not be provided with flywheel; Because inside and outside cylinder all is provided with outlet valve, when the pressure of gas in the swept volume (fluid) reached the pressure of system's needs, gas (fluid) was then discharged by the relief opening that is arranged on the inside and outside cylinder; Avoided insufficient compression and the overcompression phenomenon in the gas compressor; Saved power consumption, also avoided the phenomenon of fluid pressurized in active chamber, so can a tractor serves several purposes; Both can be used as the compressor of all gases, can be used as fluid pump again; Because the rotating center of rotor is exactly the geometrical center of rotor, do not have uneven inertial force during work in addition, rotating speed is high, good stability, and volume is then littler, has saved manufacturing expense; Secondly, main working surface is circle, and technology is simple, good airproof performance, and fretting wear is little, the high and saving power consumption of volumetric efficiency.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the end-face structure schematic representation of the utility model.
Fig. 2 is the cross-sectional view of the utility model.
Fig. 3 is the fundamental diagram of the utility model.
Embodiment
Referring to Fig. 1; 2; The utility model comprises outside cylinder 6, elliptic rotor 5, inside cylinder 4 and the cylinder head 21 that is installed in one heart on the bracket 27; In cylinder head 21 outsides exhausting buffer 25 is installed, outside cylinder 6 is fixed with inside cylinder 4, and main shaft 22 is installed in the geometrical center of elliptic rotor 5 through bearing 23; The external diameter of elliptic rotor 5 major axis equals the internal diameter of outside cylinder 6; The internal diameter of elliptic rotor 5 minor axises equals the external diameter of inside cylinder 4; When elliptic rotor 5 when oneself rotating center O promptly drives axle center 15 and rotates; The internal face of the outer surface of elliptic rotor 5 and outside cylinder 6 is tangent all the time; The outer wall of the internal surface of elliptic rotor 5 and inside cylinder 4 is tangent all the time; On outside cylinder 6 and inside cylinder 4, offer two outside cylinder vane slot 34,38 and inside cylinder vane slots 37,41 that are used to install outside cylinder slide plate 1,9, inside cylinder slide plate 13,18 relatively, and the axial length of elliptic rotor 5, outside cylinder 6, inside cylinder 4, outside cylinder slide plate 1,9 and inside cylinder slide plate 13,18 equates; One end of two outside cylinder slide plates 1,9 and the outer surface of elliptic rotor 5 are tangent; The other end contacts with outside cylinder sliding blade spring 20,8; The outer surface of outside cylinder 6 internal faces, elliptic rotor 5 and two outside cylinder slide plates 1,9 form four outer swept volumes, and the both sides that on outside cylinder 6, are positioned at two outside cylinder slide plates that are oppositely arranged 1,9 offer outside cylinder air inlet liquid mouth 2,10 and outside cylinder exhaust liquid mouth 19,7 in proper order;
One end of described two inside cylinder slide plates 13,18 and the internal surface of elliptic rotor 5 are tangent; The other end contacts with inside cylinder sliding blade spring 14,16; The internal surface of inside cylinder 4 outer wall, elliptic rotor 5 and two inside cylinder slide plates 13,18 form four interior swept volumes; The both sides that are positioned at two inside cylinder slide plates that are oppositely arranged 13,18 on the inside cylinder 4 offer inside cylinder air inlet liquid mouth 12,3 and inside cylinder exhaust liquid mouth 11,17 vertically in proper order; Wherein inside cylinder air inlet liquid mouth 12,3 is connected with inside cylinder air inlet sap cavity respectively; Inside cylinder exhaust liquid mouth 11,17 is connected with inside cylinder exhaust sap cavity respectively, on described inside cylinder exhaust liquid mouth 11,17 and the outside cylinder exhaust liquid mouth 19,7 inside cylinder outlet valve 40,36 and outside cylinder outlet valve 35,39 is installed all.
Visible by Fig. 1 and Fig. 2; Inside cylinder 4 is divided into two inside cylinder air inlet sap cavities 31 and two inside cylinder exhaust sap cavities 32,33 with cylinder head 21 with the inside cylinder inner ring; Gas (liquid) body gets into inside cylinder air inlet sap cavity 31 by axial inside cylinder air inlet liquid mouth 3,12; And compressed gas or liquid enter in the inside cylinder exhaust sap cavity 32,33 through inside cylinder exhaust liquid mouth 11,17, enter system through axial inside cylinder exhaust liquid mouth 11,17 at last.
Referring to shown in Figure 3, when elliptic rotor 5 under the driving of main shaft 22 when rotating center O rotates, promptly during β=0 °, two corresponding compression chambers of outer active chamber have been accomplished a work cycle, exhaust just finishes, and two corresponding admission space V
sReach maximum, and there are two corresponding admission space V ' simultaneously in interior active chamber
sWith two corresponding compression work volume V '
d, β constantly increases along with corner, and outer active chamber gas (liquid) is got into by air inlet liquid mouth 1 and 10 respectively, meanwhile compression chamber V
dThen constantly dwindle, realize compression, pressure improves.And interior active chamber air-inlet cavity V '
sThen constantly enlarge, meanwhile compression chamber V '
dThen constantly dwindle interior active chamber V '
dPressure when reaching the pressure that system needs, compression chamber V '
dIn gas (liquid) then discharge through exhaust liquid mouth 11 and 17, at this moment the pairing angle of the corner of rotor is the exhaust liquid angle of interior active chamber just.When β=90 °, two corresponding compression chamber V ' of interior active chamber
dAccomplished a work cycle, exhaust just finishes, and two corresponding admission space V '
sReach maximum; And there are two corresponding admission space V simultaneously in outer active chamber
sWith two corresponding compression work volume V
d, β constantly increases along with corner, and outer active chamber gas (liquid) continues respectively to be got into by air inlet liquid mouth 1 and 10, meanwhile compression chamber V
dThen constantly dwindle, realize compression, pressure improves, and interior active chamber swept volume then constantly enlarges, and gas (liquid) continues constantly to be got into by air inlet liquid mouth 11 and 17, meanwhile compression chamber V '
dThen constantly dwindle interior active chamber V '
dPressure when reaching the pressure that system needs, compression chamber V '
dIn gas (liquid) then discharge through exhaust liquid mouth 11 and 17, at this moment the pairing angle of the corner of rotor is the exhaust liquid angle of interior active chamber just.When β=180 °, outer active chamber is accomplished a work cycle again, and exhaust finishes, and interior active chamber has corresponding two air-inlet cavity V '
sWith compression chamber V '
d, when β=270 °, interior active chamber is accomplished a work cycle, and exhaust just finishes.The air inlet that goes round and begins again successively in inside and outside chamber, compression and exhaust.
Referring to Fig. 1 and shown in Figure 3; Outside cylinder 6 is provided with the vane slot 34,38,37 and 41 that supplies slide plate 1,9 and slide plate 13,18 to move with inside cylinder 4; Under the effect of sliding blade spring, slide plate is cut in the outer surface and the internal face of elliptic rotor 5 all the time, prevents outer, inner high voltage swept volume V
d, V '
dGas (liquid) bleed to the operating on low voltage volume V
sAnd V '
sIn.
Referring to Fig. 1 and Fig. 3; Be provided with outlet valve 35 and 39 at outside cylinder, also be provided with outlet valve 36 and 40 at inside cylinder equally, with working pressure and the adaptive all the time characteristics of system pressure of guaranteeing the utility model; When air inlet hydraulic coupling or system pressure change, at swept volume V
d, V '
dIn insufficient compression and overcompression problem can not take place, guarantee that this machine works all the time under optimum condition, this is with regard to having solved compressor and fluid pump air inlet hydraulic coupling and usually changing and the technical barrier that causes compressor and fluid pump cisco unity malfunction.
Referring to Fig. 1 and Fig. 2, elliptic rotor 5 and outside cylinder 6, inside cylinder 4 are concentric, and the rotating center of elliptic rotor 5 is concentric with geometrical center, does not have unbalanced inertial force, rotating speed can be higher with turn round more steady.
Referring to Fig. 2, elliptic rotor 5 is directly driven by a straight live axle, need not eccentric shaft, and the rolling piston compressor main shaft that the processing technology of main shaft is more traditional like this is more simple.
The twin-tub rotation-type compressor of the utility model has four pairs of corresponding volumes to work at the same time in a work cycle, so effectively increased the utilization ratio of cylinder.The twin-tub rotation-type compressor of this structure in addition; For each swept volume owing to work simultaneously in the slide plate both sides; So that the work cycle of traditional compressor with rolling rotor changes 180 ° into by 360 °, shortened a circuit time greatly, improved working efficiency; An even more important characteristic of this structure is that compressor has four pairs of swept volumes in addition; So the compressor with rolling rotor that its working efficiency is more traditional has improved nearly four times, that is to say that every pair of swept volume is accomplished air inlet, compression and two work cycle of exhaust simultaneously in rotor one changes; Both inherit traditional compressor with rolling rotor characteristic of simple structure, overcome the shortcoming that the conventional compression engine efficiency is low, gas is big simultaneously again.The important characteristic of another one is two pairs of swept volumes of this structure; When its outer shell admission space reaches maximum value and inner casing arrive 90 ° of the time phase differences of full admission volume; So the time of interior outer shell compression beginning also differs half the, makes that the moment on the live axle is more even, has saved flywheel; Secondly the geometrical center and the rotating center of rotor are concentric, have guaranteed the compressor stability of rotation.Main shaft is a d-axis simultaneously, has solved the precision of processing effectively, has improved volumetric efficiency.
Claims (4)
1. twin-tub rotation-type compressor; It is characterized in that: comprise the outside cylinder (6), elliptic rotor (5), inside cylinder (4) and the cylinder head (21) that are installed in one heart on the bracket (27), main shaft (22) is installed in the geometrical center of elliptic rotor (5); The external diameter of elliptic rotor (5) major axis equals the internal diameter of outside cylinder (6); The internal diameter of elliptic rotor (5) minor axis equals the external diameter of inside cylinder (4); On outside cylinder (6) and inside cylinder (4), be separately installed with two outside cylinder slide plates that are oppositely arranged (1,9) and two inside cylinder slide plates that are oppositely arranged (13,18); One end of two outside cylinder slide plates (1,9) and the outer surface of elliptic rotor (5) are tangent; The other end contacts with outside cylinder sliding blade spring (20,8); The outer surface of outside cylinder (6) internal face, elliptic rotor (5) and two outside cylinder slide plates (1,9) form four outer swept volumes, and the both sides that on outside cylinder (6), are positioned at two outside cylinder slide plates that are oppositely arranged (1,9) offer outside cylinder air inlet liquid mouth (2,10) and outside cylinder exhaust liquid mouth (19,7) in proper order;
One end of described two inside cylinder slide plates (13,18) and the internal surface of elliptic rotor (5) are tangent; The other end contacts with inside cylinder sliding blade spring (14,16); The internal surface of inside cylinder (4) outer wall, elliptic rotor (5) and two inside cylinder slide plates (13,18) form four interior swept volumes; The both sides that are positioned at two inside cylinder slide plates that are oppositely arranged (13,18) on the inside cylinder (4) offer inside cylinder air inlet liquid mouth (12,3) and inside cylinder exhaust liquid mouth (11,17) in proper order; Wherein inside cylinder air inlet liquid mouth (12,3) is connected with inside cylinder air inlet sap cavity respectively, and inside cylinder exhaust liquid mouth (11,17) is connected with inside cylinder exhaust sap cavity respectively;
The axial length of described elliptic rotor (5), outside cylinder (6), inside cylinder (4), outside cylinder slide plate (1,9) and inside cylinder slide plate (13,18) equates.
2. twin-tub rotation-type compressor according to claim 1 is characterized in that: offer two outside cylinder vane slot (34,38) and inside cylinder vane slots (37,41) that are used to install outside cylinder slide plate (1,9), inside cylinder slide plate (13,18) on described outside cylinder (6), the inside cylinder (4) relatively.
3. twin-tub rotation-type compressor according to claim 1 is characterized in that: the outside of described cylinder head (21) also is equipped with exhausting buffer (25).
4. twin-tub rotation-type compressor according to claim 1 is characterized in that: inside cylinder outlet valve (40,36) and outside cylinder outlet valve (35,39) all are installed on described inside cylinder exhaust liquid mouth (11,17) and the outside cylinder exhaust liquid mouth (19,7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205026921U CN202545248U (en) | 2011-12-06 | 2011-12-06 | Double-cylinder rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205026921U CN202545248U (en) | 2011-12-06 | 2011-12-06 | Double-cylinder rotary compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202545248U true CN202545248U (en) | 2012-11-21 |
Family
ID=47165891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205026921U Expired - Lifetime CN202545248U (en) | 2011-12-06 | 2011-12-06 | Double-cylinder rotary compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202545248U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410221A (en) * | 2011-12-06 | 2012-04-11 | 侯敏 | Double-cylinder rotary compressor |
| CN108443157A (en) * | 2018-05-25 | 2018-08-24 | 中国石油大学(华东) | A kind of two-chamber sliding vane vacuum pump cylinder body and its Profile Design method |
-
2011
- 2011-12-06 CN CN2011205026921U patent/CN202545248U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410221A (en) * | 2011-12-06 | 2012-04-11 | 侯敏 | Double-cylinder rotary compressor |
| CN102410221B (en) * | 2011-12-06 | 2014-07-09 | 侯敏 | Double-cylinder rotary compressor |
| CN108443157A (en) * | 2018-05-25 | 2018-08-24 | 中国石油大学(华东) | A kind of two-chamber sliding vane vacuum pump cylinder body and its Profile Design method |
| CN108443157B (en) * | 2018-05-25 | 2023-10-20 | 中国石油大学(华东) | Double-cavity sliding vane vacuum pump cylinder body and molded line design method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121121 Effective date of abandoning: 20140709 |
|
| RGAV | Abandon patent right to avoid regrant |