CN108799113A - Oil-free lubrication Spiral Lobe Refrigeration Compressor - Google Patents
Oil-free lubrication Spiral Lobe Refrigeration Compressor Download PDFInfo
- Publication number
- CN108799113A CN108799113A CN201810875146.9A CN201810875146A CN108799113A CN 108799113 A CN108799113 A CN 108799113A CN 201810875146 A CN201810875146 A CN 201810875146A CN 108799113 A CN108799113 A CN 108799113A
- Authority
- CN
- China
- Prior art keywords
- spindle hole
- rotor
- male rotor
- rotor spindle
- female rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005057 refrigeration Methods 0.000 title claims abstract description 26
- 238000005461 lubrication Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 7
- 230000013011 mating Effects 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract 1
- 239000003507 refrigerant Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2240/00—Components
- F04C2240/20—Rotors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The present invention discloses oil-free lubrication Spiral Lobe Refrigeration Compressor, includes that the male rotor and female rotor to form rotor are intermeshed in the body of inverted 8-shaped, the tooth by contact zone in body；The mating contact area of body inner wall embedded self-lubricating material, male rotor and female rotor is provided with space self-lubricating sealing strip；It is equipped with own elasticity in the straight-line groove formed on the inner surface of body two end cap and contacts lubricious strip, has spring between own elasticity contact lubricious strip and groove, the own elasticity contact lubricious strip contacts sealing with the end face forming face of rotor under the action of the spring.The present invention is in female rotor, the tooth contact zone installation space space self-lubricating sealing strip of male rotor, in both sides, end cap setting own elasticity contacts lubricious strip, in body inner wall embedded self-lubricating material, it can guarantee the oil-free Effec-tive Function of Spiral Lobe Refrigeration Compressor, improve the runnability of refrigeration system.
Description
Technical field
The present invention relates to refrigeration technology fields, and in particular to a kind of oil-free lubrication Spiral Lobe Refrigeration Compressor.
Background technology
Spiral Lobe Refrigeration Compressor smooth running, volumetric efficiency are high, have been more and more widely used in refrigeration systems, but
It is to need to spray between yin-yang rotor, between yin-yang rotor both sides of the face and both sides end cap and yin-yang rotor tooth top and body internal face
It penetrates lubricating oil and ensures sealing and lubrication, if the oily separation equipment exported in Spiral Lobe Refrigeration Compressor is arranged, separation is not thorough, profit
Lubricating oil enters the heat transmission equipments such as condenser and evaporator with refrigerant, influences the heat transfer efficiency of heat transmission equipment, thermal resistance is caused to increase
Greatly, heat transfer temperature difference increases, and condensation temperature increases, and evaporating temperature reduces, and the pressure ratio of refrigeration compressor increases, screw bolt refrigerant compression
The wasted work of machine increases, and the performance of refrigeration system declines, and energy consumption increases.
Invention content
The purpose of the present invention is being directed to technological deficiency existing in the prior art, a kind of oil-free lubrication screw bolt refrigerant pressure is provided
Contracting machine.
The technical solution adopted by the present invention to solve the technical problems is：
Oil-free lubrication Spiral Lobe Refrigeration Compressor, including:
It is intermeshed to be formed in the body of inverted 8-shaped and the tooth by contact zone in the body and turn
The male rotor and female rotor of kinetoplast；The body inner wall embedded self-lubricating material, connects in the male rotor with engaging for female rotor
Tactile area is provided with space self-lubricating sealing strip, and the space self-lubricating sealing strip is in the top and body of body inner wall intersection
Wall intersection spot welding connects；There are first end cover and second end cover in the body both ends respectively；The inner surface of the first end cover is formed
There are not perforative first male rotor spindle hole disposed in parallel, a first female rotor spindle hole, on the inner surface of the second end cover
It is formed with not perforative second female rotor spindle hole, perforative second male rotor spindle hole, the both ends of the main shaft of the female rotor
It is separately mounted between the first female rotor spindle hole and the second female rotor spindle hole, the main shaft both ends of the male rotor are installed respectively
Between the first male rotor spindle hole, the second male rotor spindle hole, and one end passes through the second male rotor spindle hole to stretch out institute
It states outside body；The first end cover contacts lubrication in the straight-line groove formed on the inner surface of second end cover equipped with own elasticity
Item has spring between own elasticity contact lubricious strip and groove, under spring effect, the own elasticity contact lubricious strip with
The end face forming face contact sealing of rotor.
The vent ports opened up at the top of axial one end of the body are connected with exhaust pipe, what axial other end bottom opened up
Air-breathing aperture is connected with air intake duct.
The female rotor, the highest meshing point of male rotor are in contact with the inner wall intersection of the body.
The shape of the shape and the space contact line of the female rotor, male rotor in region of engagement of the space self-lubricating sealing strip
Shape is identical.
The both ends of the space self-lubricating sealing strip respectively with the first end cover and second end cover positioned at the body both sides
Medial surface on respective slot be fixedly connected.
Straight-line groove in the first end cover includes being located between the first male rotor spindle hole and the first female rotor spindle hole
The first intermediate groove and be respectively provided between the first male rotor spindle hole, the first female rotor spindle hole and body inner wall two
First outside groove, first intermediate groove is in alignment after being connected with the axis of two the first outside grooves and passes through
The center of circle of the first male rotor spindle hole and the first female rotor spindle hole；
Straight-line groove in the second end cover includes being located between the second male rotor spindle hole and the second female rotor spindle hole
The second intermediate groove and be respectively provided between the first male rotor spindle hole, the first female rotor spindle hole and body inner wall two
Second outside groove, second intermediate groove is in alignment after being connected with the axis of two the second outside grooves and passes through
The center of circle of the first male rotor spindle hole and the first female rotor spindle hole.
The oil-free lubrication Spiral Lobe Refrigeration Compressor of the present invention, by being arranged in the tooth contact zone of female rotor, male rotor
Space self-lubricating sealing strip, while lube plate is contacted in both sides end cap setting own elasticity, the full inner wall covering of body inner wall is inlayed certainly
Lubriation material can guarantee the oil-free Effec-tive Function of Spiral Lobe Refrigeration Compressor, improve the runnability of refrigeration system, energy saving,
Environmental protection.
Description of the drawings
Fig. 1 show the present invention oil-free lubrication Spiral Lobe Refrigeration Compressor body in an axial direction subdivision internal structure signal
Scheme (retaining complete male rotor, remove female rotor)；
It is the sectional view along A-A in Fig. 1 shown in Fig. 2；
It is the right view of left end cap shown in Fig. 3；
It is the B-B direction sectional view in Fig. 3 shown in Fig. 4；
It is the left view of right end cap shown in Fig. 5.
Specific implementation mode
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
As shown in Figs. 1-5, oil-free lubrication Spiral Lobe Refrigeration Compressor, including：
Male rotor 1, cylinder inner wall intersection 2, space self-lubricating sealing strip 3, right end cap 4, air intake duct 5, body 6, left end cap
7, exhaust pipe 8, female rotor 9, left end cover slot 10, left end male rotor spindle hole 11, left end female rotor spindle hole 12, gas vent 13,
Right end female rotor spindle hole 14, right end male rotor spindle hole 15, right end cover slot 16.
The body is inverted 8-shaped, and the vent ports opened up at the top of axial left end are welded with exhaust pipe 8, axial right
The air-breathing aperture that end bottom opens up is welded with air intake duct 5, shape and female rotor, the male rotor of the space self-lubricating sealing strip 3
Identical in the shape of the space contact line of region of engagement, space self-lubricating sealing strip 3 is close to the top of cylinder inner wall intersection 2 and cylinder
2 spot welding of inner wall intersection, the endpoint close to right end cap 4 and left end cap 7 are welded and fixed with respective slot on right end cap 4 and left end cap 7
Coordinate (not shown)；
The inside of body 6, a left side for male rotor 1 are mounted on after the male rotor 1 and the tooth intermeshing of 9 contact zone of female rotor
It holds trunnion and the left end male rotor spindle hole 11 of left end cap 7 to coordinate, can mutually rotate, right end trunnion turns across right end sun
Sub- spindle hole 15 simultaneously matched can be rotated mutually；The left end trunnion of female rotor 9 and the left end female rotor spindle hole of left end cap 7
12 cooperations, can mutually rotate, and right end trunnion can be rotated mutually with the cooperation of right end female rotor spindle hole 14；
The left end cap 7 offers gas vent 13 at the top of the left side of yin-yang rotor, and center parallel offers
Not perforative left end male rotor spindle hole 11, left end female rotor spindle hole 12；Left end male rotor spindle hole 11 and left end female rotor
Between spindle hole 12 and left end male rotor spindle hole 11, left end female rotor spindle hole 12 are between body inner wall, open up and do not run through
Left end cover slot 10, be three sections of slots, wherein left end cover slot 10 close to body both sides inner wall axial inner wall be equipped with the first left cover bullet
Spring 17-1 and the first left cover spring 17-5, and axial bottom are equipped with third left cover spring 17-2, the 4th left cover spring 17-3, the
Five left cover spring 17-4 are placed with the first own elasticity contact lubricious strip 18-1, the contact of the second own elasticity respectively on corresponding spring
Lubricious strip 18-2, third own elasticity contact lubricious strip 18-3.
For the right end cap 4 close to the right side of yin-yang rotor, center parallel offers perforative right end male rotor spindle hole
15, not perforative right end female rotor spindle hole 14；Between right end male rotor spindle hole 15, right end female rotor spindle hole 14, and
Right end male rotor spindle hole 15, right end female rotor spindle hole 14 are three to not perforative right end cover slot 16 between body inner wall, is opened up
Section slot, wherein right end cover slot 16 are equipped with spring close to the axial inner wall of body both sides inner wall and axial bottom, are placed on spring
Own elasticity contact lubricious strip (structure on above-mentioned left end cap spring and own elasticity contact the mounting structure of lubricious strip it is identical,
Difference is shown).
The tooth-shaped molded line of the yin, yang rotor is in design and processing, it is necessary to assure the highest meshing point and body of two teeth
Inner wall intersection 2 is in contact.
The self-lubricating material that the space self-lubricating sealing strip and own elasticity contact lubricious strip, body inner wall are inlayed, can be with
The item to be formed or plate etc. are made of graphite material.
When the refrigeration compressor is run, male rotor rotates under the drive of motor (not shown), by be arranged female rotor,
The space self-lubricating sealing strip 3 of male rotor tooth contact zone setting drives female rotor rotation, meanwhile, space self-lubricating seal
Item 3 ensures female rotor, the sealing of male rotor mating contact area and lubrication, the own elasticity contact lubrication placed in two side ends cover slot
Item, seal self-lubricating material sealing that between lubrication yin-yang rotor and end cap and the full inner wall covering of body inner wall is inlayed and
Yin-yang rotor tooth top and body inner wall are lubricated, realizes that the oil-free Effec-tive Function of Spiral Lobe Refrigeration Compressor, the low temperature that evaporator comes are low
Compression refrigerant gas enters the volume space of yin-yang rotor and body 6 through air intake duct 5, and with the rotation of yin-yang rotor, volume is empty
Between be gradually reduced, gas pressure increase after through exhaust pipe 8 be discharged compressor.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. oil-free lubrication Spiral Lobe Refrigeration Compressor, characterized in that include in the body of inverted 8-shaped and mounted on the machine
The internal tooth by contact zone is intermeshed the male rotor and female rotor to form rotor；The body inner wall embedded self-lubricating
Material is provided with space self-lubricating sealing strip in the mating contact area of the male rotor and female rotor, and the space self-lubricating is close
Strip of paper used for sealing is connect close to the top of body inner wall intersection with body inner wall intersection spot welding；The body both ends have respectively first end cover with
Second end cover；The inner surface of the first end cover is formed with not perforative first male rotor spindle hole disposed in parallel, first the moon
Rotor main shaft hole is formed with not perforative second female rotor spindle hole, perforative second sun on the inner surface of the second end cover
The both ends in rotor main shaft hole, the main shaft of the female rotor are separately mounted to the first female rotor spindle hole and the second female rotor spindle hole
Between, the main shaft both ends of the male rotor are separately mounted between the first male rotor spindle hole, the second male rotor spindle hole, and one
End is stretched out across the second male rotor spindle hole outside the body；It is formed on the inner surface of the first end cover and second end cover
Straight-line groove in be equipped with own elasticity and contact lubricious strip, have spring between own elasticity contact lubricious strip and groove, in the bullet
Under spring effect, the own elasticity contact lubricious strip contacts sealing with the end face forming face of rotor.
2. oil-free lubrication Spiral Lobe Refrigeration Compressor according to claim 1, characterized in that at the top of axial one end of the body
The vent ports opened up are connected with exhaust pipe, and the air-breathing aperture that axial other end bottom opens up is connected with air intake duct.
3. oil-free lubrication Spiral Lobe Refrigeration Compressor according to claim 1, characterized in that the female rotor, male rotor are most
High meshing point is in contact with the inner wall intersection of the body.
4. oil-free lubrication Spiral Lobe Refrigeration Compressor according to claim 1, characterized in that the space self-lubricating sealing strip
Shape is identical in the shape of the space contact line of region of engagement as the female rotor, male rotor.
5. oil-free lubrication Spiral Lobe Refrigeration Compressor according to claim 1, characterized in that the space self-lubricating sealing strip
Both ends are fixedly connected with the respective slot in the first end cover of the body both sides and the medial surface of second end cover respectively.
6. oil-free lubrication Spiral Lobe Refrigeration Compressor according to claim 1, characterized in that the straight line in the first end cover is recessed
Slot includes the first intermediate groove being located between the first male rotor spindle hole and the first female rotor spindle hole and is respectively provided at first
Two the first outside grooves between male rotor spindle hole, the first female rotor spindle hole and body inner wall, first intermediate groove
It is in alignment and cloudy by the first male rotor spindle hole and first after being connected with the axis of two the first outside grooves
The center of circle in rotor main shaft hole；
Straight-line groove in the second end cover includes be located between the second male rotor spindle hole and the second female rotor spindle hole
Two intermediate grooves and be respectively provided between the first male rotor spindle hole, the first female rotor spindle hole and body inner wall two second
Outside groove, second intermediate groove are in alignment after being connected with the axis of two the second outside grooves and by described
The center of circle of first male rotor spindle hole and the first female rotor spindle hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810875146.9A CN108799113A (en) | 2018-08-03 | 2018-08-03 | Oil-free lubrication Spiral Lobe Refrigeration Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810875146.9A CN108799113A (en) | 2018-08-03 | 2018-08-03 | Oil-free lubrication Spiral Lobe Refrigeration Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108799113A true CN108799113A (en) | 2018-11-13 |
Family
ID=64079050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810875146.9A Pending CN108799113A (en) | 2018-08-03 | 2018-08-03 | Oil-free lubrication Spiral Lobe Refrigeration Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108799113A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4490102A (en) * | 1982-07-22 | 1984-12-25 | Societe Anonyme D.B.A. | Volumetric screw compressor |
| JP2006226160A (en) * | 2005-02-16 | 2006-08-31 | Hokuetsu Kogyo Co Ltd | Oil-cooled screw compressor |
| CN101178067A (en) * | 2007-10-10 | 2008-05-14 | 徐培瑜 | Quadrangle straight-lobe compressor |
| CN102112748A (en) * | 2008-07-29 | 2011-06-29 | 株式会社神户制钢所 | Self-lubricating screw compressor |
| CN202065185U (en) * | 2011-04-14 | 2011-12-07 | 肖文伟 | Oil-free screw compressor with novel structure |
| CN106640642A (en) * | 2016-11-16 | 2017-05-10 | 天津商业大学 | Twin-screw refrigeration compressor with elastic contact seal |
| CN208982278U (en) * | 2018-08-03 | 2019-06-14 | 天津商业大学 | Oil-free lubrication Spiral Lobe Refrigeration Compressor |
-
2018
- 2018-08-03 CN CN201810875146.9A patent/CN108799113A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4490102A (en) * | 1982-07-22 | 1984-12-25 | Societe Anonyme D.B.A. | Volumetric screw compressor |
| JP2006226160A (en) * | 2005-02-16 | 2006-08-31 | Hokuetsu Kogyo Co Ltd | Oil-cooled screw compressor |
| CN101178067A (en) * | 2007-10-10 | 2008-05-14 | 徐培瑜 | Quadrangle straight-lobe compressor |
| CN102112748A (en) * | 2008-07-29 | 2011-06-29 | 株式会社神户制钢所 | Self-lubricating screw compressor |
| CN202065185U (en) * | 2011-04-14 | 2011-12-07 | 肖文伟 | Oil-free screw compressor with novel structure |
| CN106640642A (en) * | 2016-11-16 | 2017-05-10 | 天津商业大学 | Twin-screw refrigeration compressor with elastic contact seal |
| CN208982278U (en) * | 2018-08-03 | 2019-06-14 | 天津商业大学 | Oil-free lubrication Spiral Lobe Refrigeration Compressor |
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