CN106762639A

CN106762639A - Asynchronous rotation sliding-vane compressor

Info

Publication number: CN106762639A
Application number: CN201611244970.1A
Authority: CN
Inventors: 于祥恩
Original assignee: Dandong Enwei Chemical Machinery Co Ltd
Current assignee: Dandong Enwei Chemical Machinery Co Ltd
Priority date: 2016-12-29
Filing date: 2016-12-29
Publication date: 2017-05-31

Abstract

The present invention relates to a kind of asynchronous rotation sliding-vane compressor, including oil gas input mechanism, oil gas output mechanism and compression cylinder, rotor in compression cylinder can rotate under the drive of main shaft in cylinder jacket, the top of the slide plate on rotor is tangent with the inwall of cylinder jacket, therefore drives cylinder jacket to be rotated；But due to being provided with depressed part on the inwall of cylinder jacket, and the quantity of depressed part is more than the quantity of slide plate, therefore the reaction force from cylinder liner internal wall that each slide plate is subject to is different, make the rotation of cylinder jacket asynchronous with the rotation of rotor, i.e. when rotor and slide plate turn over a circle, the rotation of cylinder jacket is enclosed less than one, therefore reduce the relative velocity between cylinder jacket and slide plate, the mechanical friction wear extent that the relative motion between two kinematic pairs is caused can be reduced, slide plate is under the elastic force effect of spring, ensure that sealing between slide plate and the inwall of cylinder jacket, avoid the phenomenon of pressure release, compressor is set to keep the operation of stabilization.

Description

Asynchronous rotation sliding-vane compressor

Technical field

The present invention relates to oil, the gas multiphase technology field in oil field, more particularly, to a kind of asynchronous rotation sliding-vane compressor.

Background technology

In the exploitation in oil field, oil and gas multiphase flow is carried out to crude oil can fully be recycled associated gas (natural gas), section About resource, can reach zero-emission, substantially improves the purpose of environment；Oil and gas multiphase flow technique in the country's typically uses following two sides at present Formula：One kind is to convey crude oil by oil transfer pump, and associated gas is then conveyed by being pressed into petroleum pipeline after compressor boost；It is another It is associated gas and crude oil while into mixing pump or mixed defeated compressor by being conveyed after supercharging；But common compressor operating When, due to there is relative motion between slide plate and cylinder the two kinematic pairs on rotor, the mechanical friction abrasion for thus resulting in It is more serious, the sealing between slide plate and cylinder is affected, so as to cause the phenomenons such as pressure release.

The content of the invention

It is an object of the invention to provide a kind of asynchronous rotation sliding-vane compressor, to solve machine present in prior art Tool fretting wear more serious, sealing reduces and exists the technical problem of pressure release phenomenon.

The present invention provide a kind of asynchronous rotation sliding-vane compressor, including oil gas input mechanism, oil gas output mechanism with And compression cylinder, the compression cylinder is connected with the oil gas input mechanism and the oil gas output mechanism respectively；

The compression cylinder is internally provided with rotor mechanism, and the rotor mechanism includes rotor, slide plate and cylinder jacket, institute State cylinder jacket to be set on the rotor, the cylinder jacket is set with the rotor eccentricity；

Vane slot is provided with the rotor, one end of the slide plate is arranged in the vane slot, the slide plate it is another One end contacts with the inwall of the cylinder jacket；

Depressed part, the quantity of the quantity more than the slide plate of the depressed part are provided with the inwall of the cylinder jacket.

Further, spring is provided with the vane slot, the spring is connected with the slide plate, the spring is used to make The end of the slide plate is adjacent to the inwall of the cylinder jacket.

Further, the rotor is set on main shaft, and the rotor is arranged concentrically with the main shaft, and the one of the main shaft End is arranged on the outside of the oil gas output mechanism, for connecting actuating unit；The other end of the main shaft is arranged on the oil The inside of gas input mechanism.

Further, cavitation disk is provided between the compression cylinder and the oil gas input mechanism, on the cavitation disk It is provided with seal.

Further, the cavitation disk on the end face of the oil gas input mechanism away from being provided with multiple ball recess, institute The bottom for stating ball recess is provided with through hole, the diameter with diameter greater than the through hole of the ball recess.

Further, the oil gas input mechanism includes the first cylinder body, and the oil gas output mechanism includes the second cylinder body, institute State the first cylinder body and second cylinder body is fixedly connected with the compression cylinder respectively；

First entrance and first outlet are provided with first cylinder body, be provided with second cylinder body second entrance and Second outlet, the first outlet and the second entrance are respectively positioned at the heteropleural of the main shaft.

Further, the inside of first cylinder body and second cylinder body is provided with sealing ring and axle sleeve；

The axle sleeve is set on the main shaft, and the seal ring set is located on the axle sleeve.

Further, the sealing ring includes moving sealing ring and stationary seal ring；Seal receptacle is provided with the stationary seal ring,

Be provided with seal ring piece between the moving sealing ring and the stationary seal ring, one end of the seal ring piece with it is described Stationary seal ring is contacted, in the annular groove on the other end insertion moving sealing ring of the seal ring piece.

Further, the outside of first cylinder body and second cylinder body is fixedly installed the support of bearing, the axle Hold and oil syringe is provided with support, the support of bearing is internally provided with chamber, is provided with bearing, the axle in the chamber Hold installation on the shaft；

The oil syringe is connected with the chamber.

Further, be fixedly installed bearing gland on the outside of second cylinder body, be provided with the bearing gland with The bulge loop of the bearing touch, is provided with centre bore on the bearing gland, the main shaft is arranged in the centre bore.

A kind of asynchronous rotation sliding-vane compressor that the present invention is provided, rotor can rotate in cylinder jacket, the cunning on rotor Piece is contacted with the inwall of cylinder jacket, therefore drives cylinder jacket to be rotated；But due to being provided with depression on the inwall of cylinder jacket Portion, and depressed part quantity of the quantity more than slide plate, therefore the reaction force from cylinder liner internal wall that each slide plate is subject to is not Together, make the rotation of cylinder jacket asynchronous with the rotation of rotor, i.e., when rotor and slide plate turn over a circle, the rotation of cylinder jacket is not enough One circle, therefore reduce the relative velocity between cylinder jacket and slide plate, the relative motion that can be reduced between two kinematic pairs is made Into mechanical friction wear extent, it is ensured that sealing between slide plate and the inwall of cylinder jacket, avoid the phenomenon of pressure release, make compression Machine keeps the operation of stabilization.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.

Fig. 1 is the dimensional structure diagram of asynchronous rotation sliding-vane compressor provided in an embodiment of the present invention；

Fig. 2 is the explosive view of asynchronous rotation sliding-vane compressor provided in an embodiment of the present invention；

Fig. 3 is the sectional view of asynchronous rotation sliding-vane compressor provided in an embodiment of the present invention；

Fig. 4 is the front view of cylinder jacket shown in Fig. 2；

Fig. 5 is the dimensional structure diagram of slide plate shown in Fig. 2；

Fig. 6 is the front view of cavitation disk shown in Fig. 2；

Fig. 7 is sectional view of cavitation disk shown in Fig. 6 at A-A；

Fig. 8 is partial enlarged drawing of cavitation disk shown in Fig. 7 at D；

Fig. 9 is the explosive view of oil gas input mechanism shown in Fig. 2；

Figure 10 is the explosive view of oil gas output mechanism shown in Fig. 2；

Figure 11 is the sectional view of sealing ring shown in Fig. 2；

Figure 12 is the dimensional structure diagram of moving sealing ring shown in Figure 11；

Figure 13 is the sectional view of the support of bearing shown in Fig. 9；

Figure 14 is the sectional view of bearing gland shown in Figure 10.

Reference：

1- oil gas input mechanisms；2- oil gas output mechanisms；3- compression cylinders；

4- cavitation disks；5- main shafts；6- sealing rings；

7- axle sleeves；The 8- supports of bearing；The cylinder bodies of 11- first；

The cylinder bodies of 21- second；22- bearing glands；31- rotors；

32- slide plates；33- cylinder jacket；34- springs；

41- seals；42- ball recess；43- through holes；

61- moving sealing rings；62- stationary seal rings；63- seal ring pieces；

64- seal receptacles；81- oil syringes；82- chambers；

83- bearings；111- first entrances；112- first outlets；

211- second entrances；212- second outlets；221- bulge loops；

222- centre bores；311- vane slots；331- depressed parts；

611- annular grooves；

Specific embodiment

To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned Other embodiment, belongs to the scope that the present invention is protected.

Embodiment 1：

Fig. 1 is the dimensional structure diagram of the asynchronous rotation sliding-vane compressor that the present embodiment is provided；Fig. 2 is of the invention real The explosive view of the asynchronous rotation sliding-vane compressor of example offer is provided；Fig. 3 is asynchronous rotation slide sheet type provided in an embodiment of the present invention The sectional view of compressor；Fig. 4 is the front view of cylinder jacket shown in Fig. 2；As Figure 1-4, present embodiments provide a kind of asynchronous Rotary slide sheet type compressor, including oil gas input mechanism 1, oil gas output mechanism 2 and compression cylinder 3, compression cylinder 3 respectively with Oil gas input mechanism 1 is connected with oil gas output mechanism 2.

Compression cylinder 3 is internally provided with rotor mechanism, and rotor mechanism includes rotor 31, slide plate 32 and cylinder jacket 33, gas Cylinder sleeve 33 is set on rotor 31.

Compressor casing 3 be circular ring structure, cylinder jacket 33 be arranged on compressor casing 3 inner ring in, and cylinder jacket 33 with Compressor casing 3 is arranged concentrically；The two ends of compressor casing 3 are fixed with oil gas input mechanism 1 and oil gas output mechanism 2 connect respectively Connect.

Cylinder jacket 33 is not conllinear with the axis of rotor 31 with the eccentric setting of rotor 31, the i.e. axis of cylinder jacket 33.In this reality Apply in example, the axis of cylinder jacket 33 is provided with deviation (as shown in Figure 4), deviation range with the axis in the vertical direction of rotor 31 It is 10-14mm.

Vane slot 311 is provided with rotor 31, one end of slide plate 32 is arranged in vane slot 311, the other end of slide plate 32 Contacted with the inwall of cylinder jacket 33 (as shown in Figure 4).

When rotor 31 is when being rotated, slide plate 32 can be thrown away from vane slot 311 by centrifugal force, due to slide plate 32 Top contacted with the inwall of cylinder jacket 33, therefore drive cylinder jacket 33 rotated.

Slide plate 32 comes off from rotor 31 during in order to prevent static, step can be set on the cell wall of vane slot 311, to cunning Piece 32 plays position-limiting action.

Depressed part 331, quantity (such as Fig. 4 of quantity more than slide plate 32 of depressed part 331 are provided with the inwall of cylinder jacket 33 It is shown), the quantity of depressed part 331 can be set to 3-6, the quantity of slide plate 32 is set to 2-5, and depressed part 331 number Measure one more than the quantity than slide plate 32.

In the present embodiment, the quantity of depressed part 331 is 5, and the quantity of slide plate 32 is 4.Therefore when cylinder jacket 33 is revolved After circling, compressor completes the process of four imbibitions (gas) and compression, makes compressor operating more steady, can reduce noise.

Depressed part 331 can be distributed along the center array of cylinder jacket 33, and the projection between two adjacent depressed parts 331 can set Arc is set to, the friction between cylinder jacket 33 and slide plate 32 can be reduced.

Medium is entered in compression cylinder 3 by oil gas input mechanism 1, increases or reduce vane slot by the rotation of rotor 31 The independent chamber formed between 311 and the inwall of cylinder jacket 33, discharges after being compressed medium from oil gas output mechanism 2.

When rotor 31 can rotate in cylinder jacket 33, the reaction from the inwall of cylinder jacket 33 that each slide plate 32 is subject to Power is different, makes the rotation of cylinder jacket 33 asynchronous with the rotation of rotor 31, is 5 with the quantity of depressed part 331, the quantity of slide plate To be illustrated as a example by 4：When rotor 31 and slide plate 32 turn over a circle, cylinder jacket 33 only have rotated 1/5 circle, in identical Interior, cylinder jacket 33 reduces relative to the relative velocity with slide plate 32, therefore, it is possible to reduce between the two kinematic pairs due to phase The mechanical friction wear extent caused to motion.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, can reduce the mechanical friction mill between two kinematic pairs Damage amount, it is ensured that the sealing of compressor, avoid the phenomenon of pressure release, makes compressor keep the operation of stabilization.

Embodiment 2：

Fig. 5 is the dimensional structure diagram of slide plate shown in Fig. 2；As shown in figure 5, on the basis of above-described embodiment, this reality Apply example and further improvement has been made to asynchronous rotation sliding-vane compressor, specifically：Spring 34 is provided with vane slot 311, Spring 34 is connected with slide plate 32, and spring 34 is used to make the end of slide plate 32 to be adjacent to the inwall of cylinder jacket 33.

In the present embodiment, the bottom of vane slot 311 offers hole, and one end of spring 34 is fixed in the hole, spring 34 The other end be fixed on the bottom of vane slot 311.

Spring 34 can promote the depressed part 331 that the top of slide plate 32 is adjacent in cylinder jacket 33, can play sealing function, Ensure that the top of slide plate 33 compensates automatically in case of wear, it is to avoid the pressure release produced by abrasion.

As shown in figure 5, rotor 31 is set on main shaft 5, rotor 31 is arranged concentrically with main shaft 5, and one end of main shaft 5 is arranged on The outside of oil gas output mechanism 2, for connecting actuating unit；The other end of main shaft 5 is arranged on the inside of oil gas input mechanism 1.

Rotor 31 is fixedly connected with main shaft 5, and flat key is set between rotor 31 and main shaft 5, makes rotor 31 and main shaft 5 simultaneously Rotate.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, makes the top of slide plate 33 mend automatically in case of wear Repay, it is ensured that the sealing between slide plate 32 and cylinder jacket 33, it is to avoid pressure release phenomenon is produced because of abrasion.

Embodiment 3：

Fig. 6 is the front view of cavitation disk shown in Fig. 2；Fig. 7 is sectional view of cavitation disk shown in Fig. 6 at A-A；Fig. 8 is Fig. 7 Partial enlarged drawing of the shown cavitation disk at D；As shown in figs 6-8, on the basis of above-described embodiment, the present embodiment is to asynchronous rotation Turn sliding-vane compressor and made further improvement, specifically：Set between compression cylinder 3 and oil gas input mechanism 1 free Change disk 4, seal 41 is provided with cavitation disk 4.

As shown in fig. 7, seal 41 may be configured as bulge loop and groove, specifically, connect with compression cylinder 3 in cavitation disk 4 Tactile end sets bulge loop, and the end contacted with oil gas input mechanism 1 in cavitation disk 4 sets groove, and in compression cylinder 3 and oil Corresponding holding section is set on gas input mechanism 1, it is ensured that cavitation disk 4 and the sealing being connected therebetween.

As shown in figure 8, cavitation disk 4 on the end face of oil gas input mechanism 1 away from being provided with multiple ball recess 42, spherical female The bottom of groove 42 is provided with through hole 43, the diameter with diameter greater than through hole 43 of ball recess 42.

Liquid is input into from oil gas input mechanism 1, and the through hole 43 from cavitation disk 4 enters, and is flowed from ball recess 42 Go out, due to the diameter with diameter greater than through hole 43 of ball recess 42, liquid volume when by cavitation disk 4 is expanded suddenly, because Pressure differential is generated during the both sides of this cavitation disk 4, makes the pressure in cavitation disk 4 less than its outside pressure, the liquid in low pressure Substantial amounts of vacuole can be produced, and vacuole can experience development, the process expand, crumble and fall, rebounding, in the process, vacuole is in rotor 31st, slide plate 32 and cylinder jacket 33 be at a high speed under the shear action of rotation, and it is right by localized hyperthermia, the high pressure of moment to be produced when crumbling and fall Conveyed liquid is heated.

By being provided with cavitation disk 4 between compression cylinder 3 and oil gas input mechanism 1, make compressor without heating in addition, By the machinery rotation heating of itself, you can the medium to conveying is heated, and disclosure satisfy that the requirement of oil and gas multiphase flow, to realizing The oil gas totally-enclosed collection in oil field is defeated and the extension defeated radius of collection has highly important meaning, additionally due to avoiding traditional defeated The operation that dry gas (natural gas) burning conveyed by multi-purpose station in delivery method is heated to crude oil, can reduce the dirt to environment Dye, realizes the zero-emission during oil-gas transportation.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, employs liquid cavitation theory, is produced by cavitation disk 4 Vacuole, under the asynchronous rotation of cylinder jacket 33 and slide plate 32 and rotor 31, high speed shear is carried out to vacuole, make vacuole moment Crumble and fall the high heat of generation, so as to be heated to the liquid in compressor, to reduce the viscosity of convey liquid, reduction is defeated The resistance for sending, saving energy consumption.

Embodiment 4：

Fig. 9 is the explosive view of oil gas input mechanism shown in Fig. 2；Figure 10 is the explosive view of oil gas output mechanism shown in Fig. 2；Figure 11 is the sectional view of sealing ring shown in Fig. 2；Figure 12 is the dimensional structure diagram of moving sealing ring shown in Figure 11；Figure 13 is Fig. 9 institutes Show the sectional view of the support of bearing；Figure 14 is the sectional view of bearing gland shown in Figure 10, as shown in Fig. 9-14, in above-described embodiment On the basis of, the present embodiment has made further improvement to asynchronous rotation sliding-vane compressor, specifically：Oil gas input mechanism 1 Including the first cylinder body 11, oil gas output mechanism 2 includes the second cylinder body 21, the first cylinder body 11 and the second cylinder body 21 respectively with compression cylinder Body 3 is fixedly connected.

The bottom of the first cylinder body 11 and the second cylinder body 12 is provided with firm banking, and fixing hole is provided with firm banking, For compressor to be fixed on into operating desk.

As shown in Figures 9 and 10, first entrance 111 and first outlet 112 are provided with the first cylinder body 11, on the second cylinder body 21 Second entrance 211 and second outlet 212 are provided with, first outlet 112 and second entrance 211 are respectively positioned at the heteropleural of main shaft 5.

Because the individual cavities that the inwall of slide plate 32 and cylinder jacket 33 is formed are located at the both sides of main shaft 5 respectively, if being located at master The volume of the left side cavity of axle 5 reduces, then the volume positioned at the right side cavity of main shaft 5 increases, and makes the liquid flowed into from the left side of main shaft 5 Compressed, and discharged from the second outlet 211 positioned at the right side of main shaft 5, realized continuous feed liquor and discharge opeing.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, can realize continuous feed liquor and discharge opeing.

The inside of the first cylinder body 11 and the second cylinder body 21 is provided with sealing ring 6 and axle sleeve 7.As shown in figure 11,7 sets of axle sleeve It is located on main shaft 5, sealing ring 6 is set on axle sleeve 7.

Sealing ring 6 includes moving sealing ring 61 and stationary seal ring 62；Seal receptacle 64 is provided with stationary seal ring 62；Such as Figure 11 institutes Show, seal ring piece 63 is provided between moving sealing ring 61 and stationary seal ring 62, and one end and the stationary seal ring 62 of seal ring piece 63 connect Touch, in the annular groove 611 on the other end insertion moving sealing ring 61 of seal ring piece 63, seal ring piece 63 can play compensation and make With.

Moving sealing ring 61 is fixed on axle sleeve 7, with the synchronous axial system of main shaft 5；Stationary seal ring 62 is fixed on quiet on seal receptacle 64 It is only motionless.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, it is possible to increase sealing.

As shown in figure 13, the outside of the first cylinder body 11 and the second cylinder body 21 is fixedly installed the support of bearing 8, the support of bearing Oil syringe 81 is provided with 8, being internally provided with chamber 82, chamber 82 for the support of bearing 8 is provided with bearing 83, and bearing 83 is installed On main shaft 5；Oil syringe 81 is connected with chamber 82.Oil syringe 81 is used for adding lubricating oil on bearing 83.

As shown in figure 14, the outside of the second cylinder body 21 is fixedly installed bearing gland 22, specifically, bearing gland 22 End is fixed with the end of the support of bearing 8 positioned at the outside of the second cylinder body 21.

The bulge loop 221 contacted with bearing 83 is provided with bearing gland 22, centre bore 222 is provided with bearing gland 22, In the centrally disposed hole 222 of main shaft 5.

It is similar with bearing gland 22, it is also equipped with gland, and main shaft 5 on the support of bearing 8 in the outside of the first cylinder body 11 End be located at the gland in.

The asynchronous rotation sliding-vane compressor that the present embodiment is provided, makes operating steadily for compressor, reduces noise；Possess defeated Send the oil and gas multiphase flow ability that void fraction is high.

The above, specific embodiment only of the invention, but protection scope of the present invention is not limited thereto, and it is any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all contain Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.

Claims

1. a kind of asynchronous rotation sliding-vane compressor, it is characterised in that including oil gas input mechanism (1), oil gas output mechanism (2) And compression cylinder (3), the compression cylinder (3) respectively with the oil gas input mechanism (1) and the oil gas output mechanism (2) It is connected；

The compression cylinder (3) is internally provided with rotor mechanism, and the rotor mechanism includes that rotor (31), slide plate (32) are gentle Cylinder sleeve (33), the cylinder jacket (33) is set on the rotor (31), and the cylinder jacket (33) is eccentric with the rotor (31) Set；

Vane slot (311) is provided with the rotor (31), one end of the slide plate (32) is arranged on the vane slot (311) In, the other end of the slide plate (32) is contacted with the inwall of the cylinder jacket (33)；

Depressed part (331) is provided with the inwall of the cylinder jacket (33), the quantity of the depressed part (331) is more than the slide plate (32) quantity.

2. asynchronous rotation sliding-vane compressor according to claim 1, it is characterised in that set in the vane slot (311) Spring (34) is equipped with, the spring (34) is connected with the slide plate (32), and the spring (34) is for making the slide plate (32) End is adjacent to the inwall of the cylinder jacket (33).

3. asynchronous rotation sliding-vane compressor according to claim 2, it is characterised in that the rotor (31) is set in master On axle (5), the rotor (31) is arranged concentrically with the main shaft (5), and one end of the main shaft (5) is arranged on the oil gas discharge The outside of mechanism (2), for connecting actuating unit；The other end of the main shaft (5) is arranged on the oil gas input mechanism (1) It is internal.

4. the asynchronous rotation sliding-vane compressor according to any one in claim 1-3, it is characterised in that the compression Cavitation disk (4) is provided between cylinder body (3) and the oil gas input mechanism (1), seal is provided with the cavitation disk (4) (41)。

5. asynchronous rotation sliding-vane compressor according to claim 4, it is characterised in that the cavitation disk (4) is away from institute Multiple ball recess (42) are provided with the end face for stating oil gas input mechanism (1), the bottom of the ball recess (42) is provided with Through hole (43), the diameter with diameter greater than the through hole (43) of the ball recess (42).

6. asynchronous rotation sliding-vane compressor according to claim 3, it is characterised in that the oil gas input mechanism (1) Including the first cylinder body (11), the oil gas output mechanism (2) includes the second cylinder body (21), first cylinder body (11) and described Two cylinder bodies (21) are fixedly connected with the compression cylinder (3) respectively；

First entrance (111) and first outlet (112) are provided with first cylinder body (11), are set on second cylinder body (21) Second entrance (211) and second outlet (212) are equipped with, the first outlet (112) and the second entrance (211) are located at respectively The heteropleural of the main shaft (5).

7. asynchronous rotation sliding-vane compressor according to claim 6, it is characterised in that first cylinder body (11) and institute The inside for stating the second cylinder body (21) is provided with sealing ring (6) and axle sleeve (7)；

The axle sleeve (7) is set on the main shaft (5), and the sealing ring (6) is set on the axle sleeve (7).

8. asynchronous rotation sliding-vane compressor according to claim 7, it is characterised in that the sealing ring (6) is including close Envelope rotating ring (61) and stationary seal ring (62)；Seal receptacle (64) is provided with the stationary seal ring (62)；

Seal ring piece (63), the seal ring piece (63) are provided between the moving sealing ring (61) and the stationary seal ring (62) One end contacted with the stationary seal ring (62), the other end of the seal ring piece (63) is inserted on the moving sealing ring (61) In annular groove (611).

9. asynchronous rotation sliding-vane compressor according to claim 6, it is characterised in that first cylinder body (11) and institute The outside for stating the second cylinder body (21) is fixedly installed the support of bearing (8), and oil syringe is provided with the support of bearing (8) (81), being internally provided with chamber (82), the chamber (82) for the support of bearing (8) is provided with bearing (83), the axle (83) are held on the main shaft (5)；

The oil syringe (81) is connected with the chamber (82).

10. asynchronous rotation sliding-vane compressor according to claim 9, it is characterised in that second cylinder body (21) Outside is fixedly installed bearing gland (22), and the bulge loop contacted with the bearing (83) is provided with the bearing gland (22) (221) centre bore (222), is provided with the bearing gland (22), the main shaft (5) is arranged in the centre bore (222).