CN105179247A - Horizontal totally-closed three-stage compression rotary compressor - Google Patents
Horizontal totally-closed three-stage compression rotary compressor Download PDFInfo
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- CN105179247A CN105179247A CN201510638654.1A CN201510638654A CN105179247A CN 105179247 A CN105179247 A CN 105179247A CN 201510638654 A CN201510638654 A CN 201510638654A CN 105179247 A CN105179247 A CN 105179247A
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Abstract
The invention discloses a horizontal totally-closed three-stage compression rotary compressor. The horizontal totally-closed three-stage compression rotary compressor comprises a main cover, an outer cylinder, low-pressure sliding sheets, high-pressure sliding sheets, a main rotor, a main shaft, a driving disc, an inner cylinder and the like. The main cover and an auxiliary cover are oval. The outer cylinder is an internally-through and hollow oval barrel. The inner cylinder is an internally-through and hollow oval barrel. Key grooves are formed in the cross position of the portion, matched with the main cover, of the inner cylinder, and the main cover and the inner cylinder are fixedly connected through four connecting keys arranged in the key grooves. The driving disc is composed of a round base disc and a hollow cylindrical side wall integrated with the round base disc. Low-pressure sliding sheet grooves are evenly formed in the four diagonal directions of the side wall in the radial direction, and the low-pressure sliding sheets are arranged in the low-pressure sliding sheet grooves. The main rotor is cylindrical, high-pressure sliding sheet grooves are evenly formed in the four diagonal directions of the main rotor in the radial direction, and the high-pressure sliding sheets are arranged in the high-pressure sliding sheet grooves. The compressor is simple in part, small in appearance size, compact in structure, small in occupied space, convenient to machine and assemble, good in sealing performance, safe and reliable, and energy saving and environment friendliness are achieved.
Description
Technical field
The present invention relates to refrigeration technology field, particularly relate to a kind of horizontal totally-enclosed three stage compression rotary compressor.
Background technique
When temperature in the cooled space of refrigeration plant is lower, the evaporating temperature of refrigeration system is lower, meets the temperature requirements be cooled in space, then the hydraulic performance decline of refrigeration system as adopted single stage compression or two-stage compression refrigeration circulation, energy consumption increases, reliability decrease.Three stage compression refrigeration cycle can be adopted, at present, the displacement type compressor refrigeration system of three stage compression is the form adopting multiple stage displacement type compressor combo, the compression at different levels of low temperature, middle gentle high temperature is born respectively by different refrigeration compressors, cooling cycle system is complicated, boundary dimension is large, therefore, proposes compact structure, the horizontal totally-enclosed rotary compressor of boundary dimension unit three stage compression that is little, good airproof performance.At present, there are no embodiment.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and provide that a kind of compact structure, boundary dimension are little, good airproof performance, energy-conserving and environment-protective for the horizontal totally-enclosed three stage compression rotary compressor in cryogenic refrigerating system.
A kind of horizontal totally-enclosed three stage compression rotary compressor of the present invention, comprise main frame lid, outer cylinder body, low pressure slide plate, high pressure slide plate, main rotor, main shaft, motor stator, rotor, fuel supply line, right casing, auxiliary cover, driving disc, left casing, high pressure vane slot, middle pressure air inlet tube, high pressure gas adapter, high pressure admission adapter, middle pressure vent connection, inner cylinder body, middle pressure pore, in compress into gas port, high-pressure exhaust, high pressure intakeport, pressure gas port, low-pressure admission is taken over and low pressure exhaust is taken over;
Described main frame lid is oval, offer the bolt hole run through vertically, the inner side that main frame lid coordinates with outer cylinder body offers vertically not to be run through, gas port is compressed in symmetrical two, two high-pressure exhausts, two high pressure intakepories and two middle pressure gas ports, main frame lid outer side surface offer respectively with in compress into gas port, high-pressure exhaust, high pressure intakeport compresses into pore in being communicated with middle pressure gas port, high pressure gas hole, high pressure admission hole and middle pressure pore, in compress into pore, high pressure gas hole, high pressure admission hole respectively with middle pressure air inlet tube, high pressure gas adapter and high pressure admission adapter are welded to connect,
Described outer cylinder body is the oval cylindrical shell that hollow is run through in inside, the position that both sides are connected with main frame lid and auxiliary cover respectively offers the bolt hole do not run through, outer cylinder body inner peripheral surface offers the low pressure air suction mouth and low pressure exhaust mouth that do not run through near minor axis is radially symmetrical, outer cylinder body outer circumferential face offers the low pressure air suction hole and low pressure exhaust hole that are communicated with low pressure exhaust mouth with low pressure air suction mouth, and low pressure air suction hole and low pressure exhaust hole are welded with low pressure air suction pipe and low pressure exhaust pipe respectively;
Described inner cylinder body is the oval cylindrical shell that hollow is run through in inside, the position that inner cylinder body coordinates with main frame lid is that cross position offers keyway, the position that main frame lid coordinates with inner cylinder body is that cross position offers keyway, and main frame lid is fixedly connected with by four connecting keys be placed in keyway with inner cylinder body;
Described driving disc is made up of the circular base plate of one and the cylinder side wall of hollow, cylinder side wall four radially evenly offers low pressure vane slot to angular direction, low pressure slide plate is placed in low pressure vane slot, circular base plate center offers the spindle hole run through vertically, by connecting key and main shaft secure fit;
Described auxiliary cover is oval, its side coordinated with outer cylinder body offers the bolt hole run through, the position that auxiliary cover coordinates with the circular base plate of driving disc offers circular groove, and auxiliary cover center offers the spindle hole run through vertically, is slidably matched by bearing and main shaft; Described main rotor is cylindrical, and center offers the spindle hole run through vertically, and by connecting key and main shaft secure fit, four radially evenly offer high pressure vane slot to angular direction, places high pressure slide plate in high pressure vane slot;
The position of the bottom major axis corresponding main rotor high pressure vane slot of main frame lid offers the oilhole axially run through, and weld with one end of fuel supply line, main frame lid inwall offers along long axis direction and is communicated with axial lubrication hole, to the oil leab of low pressure vane slot position;
Described rotor is connected with main shaft by connecting key, and drive main rotor and driving disc to rotate, the inside of motor stator coordinates with rotor, in the right casing of motor stator outside press-in; Outer cylinder body by bolt and main frame lid and auxiliary cover fixing after be pressed in left casing.
Compared with prior art, the invention has the beneficial effects as follows:
1, the horizontal totally-enclosed three stage compression rotary compressor of the present invention, oval outer cylinder body, oval inner cylinder body, the axis coinciding of cylindrical main rotor and driving disc.The internal surface of outer cylinder body inwall, driving disc outer wall, low pressure slide plate side, main frame interior surface, auxiliary cover, and the axial Line of contact of the inwall of outer cylinder body and driving disc outer wall forms low pressure crescent-shaped space, the middle pressure crescent-shaped space that inner cylinder body outer wall, driving disc inwall, low pressure slide plate side, main frame interior surface, driving disc chassis inwall and the outer wall of inner cylinder body and the axial Line of contact of driving disc inwall are formed, main frame interior surface, main rotor outer surface, high pressure slide plate side, inner cylinder body inwall, driving disc chassis inwall, and the high pressure crescent-shaped space that the axial Line of contact of main rotor outer surface and inner cylinder body inwall is formed, along with main shaft drives main rotor and driving disc to rotate, low, in and high pressure crescent-shaped space constantly increase and reduce, complete air-breathing, compression and exhaust process, make full use of outer cylinder body inwall and driving disc outer wall, inner cylinder body outer wall and driving disc inwall, and the space of inner cylinder body internal face and main rotor outer surface, realize low, neutralize high three stage compression, reduce power consumpiton, improve the ride quality of refrigeration system.
2, horizontal totally-enclosed three stage compression rotary compressor of the present invention, part shape is simple, and boundary dimension is little, compact structure, take up space few, and processing and assembling is convenient, and good airproof performance is safe and reliable, energy-conserving and environment-protective.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of the horizontal totally-enclosed three stage compression rotary compressor of the present invention;
Figure 2 shows that the A-A sectional view of Fig. 1;
Figure 3 shows that the B-B sectional view of Fig. 1;
Figure 4 shows that the C-C sectional view of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
As Figure 1-4, the horizontal totally-enclosed three stage compression rotary compressor of the present invention, comprise main frame lid 1, outer cylinder body 2, low pressure slide plate 3, high pressure slide plate 4, main rotor 5, main shaft 6, motor stator 7, rotor 8, fuel supply line 9, right casing 10, auxiliary cover 11, driving disc 12, auxiliary machine bonnet bolt 13, left casing 14, high pressure vane slot 15, main frame bonnet bolt 16, middle pressure air inlet tube 17, high pressure gas adapter 18, high pressure admission adapter 19, middle pressure vent connection 20, inner cylinder body 21, main frame bonnet bolt hole 22, middle pressure pore 23, in compress into gas port 24, high-pressure exhaust 25, high pressure intakeport 26, middle pressure gas port 27, low-pressure admission adapter 28, low pressure exhaust adapter 29 and low pressure air suction mouth 30.
Described main frame lid 1 is oval, offer the bolt hole 22 run through vertically, the inner side that main frame lid coordinates with outer cylinder body 2 offers vertically not to be run through, gas port 24-1 and 24-2 is compressed in symmetrical two, two high-pressure exhaust 25-1 and 25-2, two high pressure intakeport 26-1 and 26-2, two middle pressure gas port 27-1 and 27-2, main frame lid outer side surface offer respectively with in compress into gas port, high-pressure exhaust, high pressure intakeport compresses into pore in being communicated with middle pressure gas port, high pressure gas hole, high pressure admission hole and middle pressure pore, in compress into pore, high pressure gas hole, high pressure admission hole respectively with middle pressure air inlet tube 17, high pressure gas adapter 18 and high pressure admission adapter 19 are welded to connect, the position of the bottom major axis corresponding main rotor 5 high pressure vane slot 15 of main frame lid 1 offers the oilhole axially run through, and weld with one end of fuel supply line 9, inwall offers along long axis direction and is communicated with axial lubrication hole, to the oil leab of low pressure vane slot position,
Described outer cylinder body 2 is the inner oval cylindrical shell running through hollow, the position that both sides are connected with main frame lid 1 and auxiliary cover 11 respectively offers the bolt hole do not run through, outer cylinder body inner peripheral surface offers the low pressure air suction mouth 30 and low pressure exhaust mouth that do not run through near minor axis is radially symmetrical, outer cylinder body outer circumferential face offers the low pressure air suction hole and low pressure exhaust hole that are communicated with low pressure exhaust mouth with low pressure air suction mouth 30, and low pressure air suction hole and low pressure exhaust hole are welded with low pressure air suction pipe 28 and low pressure exhaust pipe 29 respectively.
Described inner cylinder body 21 is the inner oval cylindrical shell running through hollow, the position coordinated with main frame lid 1 is that cross position offers keyway, the position that main frame lid 1 coordinates with inner cylinder body 21 is that cross position offers keyway, and main frame lid 1 is fixedly connected with by four connecting keys be placed in keyway with inner cylinder body 21.
Described driving disc 12 is made up of the circular base plate of one and the cylinder side wall of hollow, cylinder side wall four radially evenly offers low pressure vane slot to angular direction, low pressure slide plate 3 is placed in low pressure vane slot, circular base plate center offers the spindle hole run through vertically, by connecting key and main shaft 6 secure fit;
Described auxiliary cover 11 is oval, the inner side that auxiliary cover coordinates with outer cylinder body 2 offers the bolt hole run through, the position that auxiliary cover coordinates with the circular base plate of driving disc 12 offers the circular groove do not run through, center offers the spindle hole run through vertically, is slidably matched by bearing and main shaft 6;
Described main rotor 5 is cylindrical, and center offers the spindle hole run through vertically, and by connecting key and main shaft 6 secure fit, four radially evenly offer high pressure vane slot 15 to angular direction, places high pressure slide plate 4 in high pressure vane slot 15.
Described left casing 14 offers the aperture of welding with middle pressure air inlet tube 17, high pressure gas adapter 18, high pressure admission adapter 19 and middle pressure vent connection 20 respectively run through vertically, the corresponding low pressure air suction mouth 30 of outer cylinder body 2 and the position of low pressure exhaust mouth, radially offer aperture that run through, that weld with low pressure air suction pipe 28 and low pressure exhaust pipe 29 respectively.
Described rotor 8 is connected with main shaft 6 by connecting key, and drive main rotor 5 and driving disc 12 to rotate, the inside of motor stator 7 coordinates with rotor 8, in the right casing 10 of outside press-in.
Described outer cylinder body 2, inner cylinder body 21, main frame lid 1 are consistent with the oval long axis direction of auxiliary cover 11, short-axis direction is consistent, the diameter of main rotor 5 is consistent with the inside minor axis dimension of inner cylinder body 21, the external diameter of driving disc 12 is consistent with the inside minor axis dimension of outer cylinder body 2, and the cylinder side wall internal diameter of driving disc 12 is consistent with the outside major axis dimension of inner cylinder body 21; The cylinder side wall of outer cylinder body 2, inner cylinder body 21, main rotor 5, driving disc 12 and the axial length of high low pressure slide plate consistent; The axis coinciding of outer cylinder body 2, inner cylinder body 21, main rotor 5 and driving disc 12.
The oval major axis of described outer cylinder body 2, inner cylinder body 21, main frame lid 1 and auxiliary cover 11 and minor axis, the external diameter of main rotor 5 and driving disc 12 and axial length equidimension, and high, in and the size of low pressure suction and exhaust ports, can according to the size of displacement and height, in and the pressure ratio of low pressure carry out specific design.
During assembling, first main rotor 5 is also passed through connecting key secure fit through main shaft 6, by the external part of main shaft through the spindle hole on the chassis of driving disc 12 and by connecting key secure fit, the radial space of inner cylinder body 21 from main rotor 5 and driving disc 12 is inserted vertically, respectively low pressure slide plate 3 and high pressure slide plate 4 are inserted in the chute of driving disc 12 and main rotor 5 vertically, auxiliary cover 11 is coordinated with driving disc 12, outer cylinder body 2 is enclosed within vertically outside low pressure slide plate 3 and driving disc 12, cover 11 and outer cylinder body 2 compact siro spinning technology will be assisted by bolt 13 and gasket seal, main frame lid 1 is fixedly connected with by four connecting keys be placed in keyway with inner cylinder body 21, and by bolt 16 and gasket seal and outer cylinder body 2 compact siro spinning technology, by middle pressure air inlet tube 17, high pressure gas adapter 18, high pressure admission adapter 19, low-pressure admission adapter 28 and low pressure exhaust adapter 29 are welded with corresponding aperture, by in the left casing 14 of above-mentioned entirety press-in, by middle pressure air inlet tube 17, middle pressure vent connection 20, high pressure gas adapter 18, high pressure admission adapter 19, low-pressure admission adapter 28 and low pressure exhaust adapter 29 are welded with the respective aperture of left casing 14 respectively, by rotor 8 and main shaft 6, motor stator 7 coordinates in the right casing 10 of rear press-in with rotor 8, welding left and right casing.So far, horizontal totally-enclosed three stage compression rotary compressor has been assembled.
As shown in Figure 4, starting electrical machinery, main rotor 5 is rotated counterclockwise under the drive of motor, energizes high-pressure slide plate 4 rotates counterclockwise, high pressure slide plate 4 slides in high pressure vane slot 15, and be thrown toward the inwall of inner cylinder body 21, fit tightly on the inwall of inner cylinder body 21, the internal surface of main frame lid 1, main rotor 5 outer surface, the bi-side of high pressure slide plate 4, the inwall of inner cylinder body 21, the chassis inwall of driving disc 12, and the axial Line of contact of main rotor 5 outer surface and inner cylinder body 21 inwall forms several meniscate space, position shown in Fig. 4, high pressure slide plate near minor axis is about to turn over minor axis radial line counterclockwise, left and right forms two little spaces be communicated with high pressure intakeport 26, pressurized gas enter little crescent-shaped space, start air-breathing, along with the rotation of main rotor 5, the space be communicated with high pressure intakeport increases gradually, when the maximum has been reached, turn over high pressure intakeport 26, start compression, crescent-shaped space reduces gradually, when main rotor turns over half-turn nearly, crescent-shaped space forwards near minor axis radial line, be communicated with high-pressure exhaust 25, start exhaust, until main rotor 5 turns over 180 degree, high pressure gas terminates, circulation like this.
Simultaneously, driving disc 12 is rotated counterclockwise under the drive of motor, energize low-pressure slide plate 3 rotates counterclockwise, low pressure slide plate 3 slides in low pressure vane slot, and be thrown toward the inwall of outer cylinder body 2, fit tightly on the inwall of outer cylinder body 2, two axial ends of low pressure slide plate slide along the inwall of outer cylinder body 2 and the outer wall of inner cylinder body 21, the inwall of outer cylinder body 2, the outer wall of driving disc 12, the bi-side of low pressure slide plate 3, the internal surface of main frame lid 1, the internal surface of auxiliary cover, and the axial Line of contact of the inwall of outer cylinder body 2 and driving disc 12 outer wall forms several meniscate space, position shown in Fig. 4, low pressure slide plate near outer cylinder body 2 minor axis is about to turn over minor axis radial line counterclockwise, left and right forms two crescent-shaped spaces be communicated with low pressure air suction mouth 30, low-pressure gas enters this crescent-shaped space, start air-breathing, along with the rotation of driving disc 12, the space be communicated with low pressure air suction mouth increases gradually, when the maximum has been reached, turn over low pressure air suction mouth, start compression, crescent-shaped space reduces gradually, when driving disc 12 turns over half-turn nearly, crescent-shaped space forwards near minor axis radial line, be communicated with low pressure exhaust mouth, start exhaust, until driving disc 12 turns over 180 degree, low pressure exhaust terminates, circulation like this.Meanwhile, the outer wall of inner cylinder body 21, the inwall of driving disc 12, the bi-side of low pressure slide plate 3, the internal surface of main frame lid 1, the chassis inwall of driving disc, and the axial Line of contact of the outer wall of inner cylinder body 21 and driving disc 12 inwall forms several meniscate space, position shown in Fig. 4, low pressure slide plate near inner cylinder body 21 major axis is about to turn over major axis radial line counterclockwise, form two crescent-shaped spaces be communicated with middle pressure intakeport 24 up and down, medium pressure gas enters this crescent-shaped space, start air-breathing, along with the rotation of driving disc 12, the space be communicated with middle pressure intakeport increases gradually, when the maximum has been reached, turn over middle pressure intakeport, start compression, crescent-shaped space reduces gradually, when driving disc 12 turns over half-turn nearly, crescent-shaped space forwards near major axis radial line, be communicated with middle pressure gas port 27, start exhaust, until driving disc 12 turns over 180 degree, low pressure exhaust terminates, circulation like this.
Compressor absorbs the low-temperature low-pressure refrigerant steam of vaporizer, through low pressure air suction adapter 28, low pressure air suction mouth 30 enters the inwall of outer cylinder body 2, the outer wall of driving disc 12, the side of low pressure slide plate 3, the internal surface of main frame lid 1, the internal surface of auxiliary cover 11, and the low pressure crescent-shaped space that the axial Line of contact of the inwall of outer cylinder body 2 and driving disc 12 outer wall is formed, crescent-shaped space increases gradually, when turning over low pressure air suction mouth, crescent-shaped space reaches maximum, low pressure stage air-breathing terminates, enter low pressure compression process, pressure raises, when forwarding low pressure exhaust mouth to, the refrigerant gas of middle pressure is discharged the interstage cooler of compressor extremely between middle low temperature through low pressure exhaust adapter 29, air inlet tube 17 is pressed to enter the outer wall of inner cylinder body 21 in gas warp after cooling, the inwall of driving disc 12, the side of low pressure slide plate 3, the internal surface of main frame lid 1, the chassis inwall of driving disc, and the crescent-shaped space that the axial Line of contact of the outer wall of inner cylinder body 21 and driving disc 12 inwall is formed, crescent-shaped space increases gradually, when turning over middle pressure intakeport, crescent-shaped space reaches maximum, medium pressure grade air-breathing terminates, enter medium pressure grade compression process, pressure raises, when forwarding middle pressure gas port to, the refrigerant gas of middle pressure is after motor cools to motor, vent connection 20 is pressed to be discharged the interstage cooler of compressor extremely between middle high temperature in warp, gas after cooling enters by main rotor 5 outer surface through high pressure admission adapter 19, the side of high pressure slide plate 4, the inwall of inner cylinder body 21, the chassis inwall of driving disc 12, and the high pressure crescent-shaped space that the axial Line of contact of main rotor 5 outer surface and inner cylinder body 21 inwall is formed, crescent-shaped space increases gradually, when turning over high pressure intakeport, crescent-shaped space reaches maximum, high pressure stage air-breathing terminates, enter high pressure compressed process, pressure raises, when forwarding high-pressure exhaust to, the refrigerant gas of high pressure is discharged compressor to condenser through high pressure gas adapter 18.In in casing compression refrigerant gas pressure promotion under, lubricant oil enters the oil leab of main frame lid 1 through fuel supply line 9, the drive of the high low pressure slide plate in high low pressure vane slot, the matching surface of lubrication driving disc 12 and outer cylinder body 2, inner cylinder body 21, main frame lid 1 and main rotor 5 matching surface, and the matching surface between high low pressure slide plate and vane slot etc., realize lubrication and sealing.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. a horizontal totally-enclosed three stage compression rotary compressor, comprise main frame lid, outer cylinder body, low pressure slide plate, high pressure slide plate, main rotor, main shaft, motor stator, rotor, fuel supply line, right casing, auxiliary cover, driving disc, left casing, high pressure vane slot, middle pressure air inlet tube, high pressure gas adapter, high pressure admission adapter, middle pressure vent connection, inner cylinder body, middle pressure pore, in compress into gas port, high-pressure exhaust, high pressure intakeport, pressure gas port, low-pressure admission is taken over and low pressure exhaust is taken over;
Described main frame lid is oval, offer the bolt hole run through vertically, the inner side that main frame lid coordinates with outer cylinder body offers vertically not to be run through, gas port is compressed in symmetrical two, two high-pressure exhausts, two high pressure intakepories and two middle pressure gas ports, main frame lid outer side surface offer respectively with in compress into gas port, high-pressure exhaust, high pressure intakeport compresses into pore in being communicated with middle pressure gas port, high pressure gas hole, high pressure admission hole and middle pressure pore, in compress into pore, high pressure gas hole, high pressure admission hole respectively with middle pressure air inlet tube, high pressure gas adapter and high pressure admission adapter are welded to connect,
Described outer cylinder body is the oval cylindrical shell that hollow is run through in inside, the position that both sides are connected with main frame lid and auxiliary cover respectively offers the bolt hole do not run through, outer cylinder body inner peripheral surface offers the low pressure air suction mouth and low pressure exhaust mouth that do not run through near minor axis is radially symmetrical, outer cylinder body outer circumferential face offers the low pressure air suction hole and low pressure exhaust hole that are communicated with low pressure exhaust mouth with low pressure air suction mouth, and low pressure air suction hole and low pressure exhaust hole are welded with low pressure air suction pipe and low pressure exhaust pipe respectively;
Described inner cylinder body is the oval cylindrical shell that hollow is run through in inside, the position that inner cylinder body coordinates with main frame lid is that cross position offers keyway, the position that main frame lid coordinates with inner cylinder body is that cross position offers keyway, and main frame lid is fixedly connected with by four connecting keys be placed in keyway with inner cylinder body;
Described driving disc is made up of the circular base plate of one and the cylinder side wall of hollow, cylinder side wall four radially evenly offers low pressure vane slot to angular direction, low pressure slide plate is placed in low pressure vane slot, circular base plate center offers the spindle hole run through vertically, by connecting key and main shaft secure fit;
Described auxiliary cover is oval, its side coordinated with outer cylinder body offers the bolt hole run through, the position that auxiliary cover coordinates with the circular base plate of driving disc offers circular groove, and auxiliary cover center offers the spindle hole run through vertically, is slidably matched by bearing and main shaft; Described main rotor is cylindrical, and center offers the spindle hole run through vertically, and by connecting key and main shaft secure fit, four radially evenly offer high pressure vane slot to angular direction, places high pressure slide plate in high pressure vane slot;
The position of the bottom major axis corresponding main rotor high pressure vane slot of main frame lid offers the oilhole axially run through, and weld with one end of fuel supply line, main frame lid inwall offers along long axis direction and is communicated with axial lubrication hole, to the oil leab of low pressure vane slot position;
Described rotor is connected with main shaft by connecting key, and drive main rotor and driving disc to rotate, the inside of motor stator coordinates with rotor, in the right casing of motor stator outside press-in; Outer cylinder body by bolt and main frame lid and auxiliary cover fixing after be pressed in left casing.
2. horizontal totally-enclosed three stage compression rotary compressor according to claim 1, it is characterized in that, described outer cylinder body, inner cylinder body, main frame lid are consistent with the oval long axis direction of auxiliary cover, short-axis direction is consistent, the diameter of main rotor is consistent with the inside minor axis dimension of inner cylinder body, the external diameter of driving disc is consistent with the inside minor axis dimension of outer cylinder body, and the cylinder side wall internal diameter of driving disc is consistent with the outside major axis dimension of inner cylinder body; The cylinder side wall of outer cylinder body, inner cylinder body, main rotor, driving disc and the axial length of high low pressure slide plate consistent; The axis coinciding of outer cylinder body, inner cylinder body, main rotor, driving disc.
3. horizontal totally-enclosed three stage compression rotary compressor according to claim 1, it is characterized in that, described left casing offer vertically run through take over middle pressure air inlet tube, high pressure gas respectively, high pressure admission is taken over and middle pressure vent connection welds aperture, the corresponding low pressure air suction mouth of outer cylinder body and the position of low pressure exhaust mouth, radially offer aperture that run through, that weld with low pressure air suction pipe and low pressure exhaust pipe respectively.
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| CN201510638654.1A CN105179247A (en) | 2015-09-29 | 2015-09-29 | Horizontal totally-closed three-stage compression rotary compressor |
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| CN201510638654.1A CN105179247A (en) | 2015-09-29 | 2015-09-29 | Horizontal totally-closed three-stage compression rotary compressor |
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| CN102410221A (en) * | 2011-12-06 | 2012-04-11 | 侯敏 | Double-cylinder rotary compressor |
| CN103807174A (en) * | 2014-03-10 | 2014-05-21 | 吴月广 | Three-cylindrical rolling rotor type compressor |
| CN205136011U (en) * | 2015-09-29 | 2016-04-06 | 天津商业大学 | Horizontal totally closed tertiary compression rotary compressor |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2222721Y (en) * | 1995-02-16 | 1996-03-20 | 天津钢厂 | Oxygen lance position display device for steelmaking converter |
| CN2313071Y (en) * | 1997-04-30 | 1999-04-07 | 李强 | Energy-saving refrigerating compressor |
| JP2010281291A (en) * | 2009-06-05 | 2010-12-16 | Daikin Ind Ltd | Multiple cylinder rotary compressor |
| CN102410221A (en) * | 2011-12-06 | 2012-04-11 | 侯敏 | Double-cylinder rotary compressor |
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