CN105952642A - Air cylinder bearing lubrication structure and slide vane compressor - Google Patents
Air cylinder bearing lubrication structure and slide vane compressor Download PDFInfo
- Publication number
- CN105952642A CN105952642A CN201610423927.5A CN201610423927A CN105952642A CN 105952642 A CN105952642 A CN 105952642A CN 201610423927 A CN201610423927 A CN 201610423927A CN 105952642 A CN105952642 A CN 105952642A
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- China
- Prior art keywords
- bearing cylinder
- flange
- lubricant medium
- main shaft
- flow path
- Prior art date
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- 238000005461 lubrication Methods 0.000 title claims abstract description 79
- 238000005096 rolling process Methods 0.000 claims abstract description 37
- 239000010687 lubricating oil Substances 0.000 claims description 83
- 239000000314 lubricant Substances 0.000 claims description 60
- 230000008676 import Effects 0.000 claims description 26
- 210000000664 rectum Anatomy 0.000 claims description 9
- 239000007788 liquid Substances 0.000 abstract description 19
- 230000001050 lubricating effect Effects 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 14
- 230000000694 effects Effects 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000012208 gear oil Substances 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 238000001149 thermolysis Methods 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
- F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
- F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
- F04C18/3441—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation
- F04C18/3445—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation the vanes having the form of rollers, slippers or the like
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- 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
- F04C2240/50—Bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to an air cylinder bearing lubrication structure and a slide vane compressor. The air cylinder bearing lubrication structure comprises a lubrication medium inlet (250) formed in an air cylinder bearing (200) and a liquid lubrication medium supply passageway. One end of the liquid lubrication medium supply passageway communicates with a liquid lubrication medium source, and the other end of the liquid lubrication medium supply passageway communicates with a rolling body roll path (240) of the air cylinder bearing (200) through the lubrication medium inlet (250) so that the liquid lubrication medium source can supply liquid lubrication media to the rolling body roll path (240) of the air cylinder bearing (200) through the liquid lubrication medium supply passageway. According to the air cylinder bearing lubrication structure and the slide vane compressor, supply of large mass of the liquid lubrication media of a rolling body in the air cylinder bearing can be achieved, the circulation function of the liquid lubrication media in the rolling body roll path is promoted, the lubricating effect is improved, and accordingly the service life of the air cylinder bearing is prolonged.
Description
Technical field
The present invention relates to lubrication technical field, particularly relate to a kind of bearing cylinder lubrication system and cunning
Vane compressor.
Background technology
Sliding-vane air compressor (being called for short sliding-vane compressor or slide plate machine) is also rotating vane
Formula compressor, is to realize gas compression by moving blade, realizes changes mechanical energy the most at last
Becoming a kind of compressor of wind energy, it belongs to positive displacement compressor.
At the tradition slide plate head of sliding-vane compressor and the contact internal walls of cylinder, linear velocity is relatively big,
The friction causing contact position is serious, and power consumption is bigger.In order to reduce the friction power loss at this, at present
Occur in that a kind of novel sliding-vane compressor, use bearing to replace tradition cylinder.This slide plate
When the slide plate of formula compressor works, head contacts with bearing inner race, and owing to slide plate can band dynamic bearing
Inner ring and rotor rotating Vortex, therefore reduce the relative velocity of slide plate head and bearing inner race,
In addition bearing inner race is at outer ring moving on rails by rolling element, belongs to rolling friction, power consumption
Less, the friction power loss of slide plate head when therefore reducing tradition slide plate airborne work.
But, this sliding-vane compressor remains some defects:
1, the upper and lower end face of bearing cylinder is limited by flange, and bearing outside diameter is relatively big, causes
Bearing roller move on raceway produce heat be difficult to shed, dispel the heat bad, can cause
Compressor air suction is heated, thus affects compressor performance；
2, the lubrication of current bearing cylinder is merely by the oil leakage entrained by pump housing intracavity gas
Mode in raceway realizes, and therefore in raceway, the amount of lubricating oil is too small, causes
Bearing lubrication is bad, heating is serious, thus causes bearing failure；
3, other lubricating systems such as bearing grease lubricating system is also difficult to be suitable for, this be mainly because of
There is the gas of High Temperature High Pressure for compressor inside, be easily accessible the raceway that pressure is relatively low
In, this problem that grease can be caused to be replaced by gases at high pressure and lose efficacy, grease itself in addition
Not there is mobility, therefore, it is difficult to solve bearing heat dissipation problem.
Summary of the invention
The purpose of the present invention is to propose to a kind of bearing cylinder lubrication system and sliding-vane compressor, energy
Enough improve the lubrication state of bearing cylinder.
It is another object of the present invention to propose a kind of bearing cylinder lubrication system and slide sheet type compression
Machine, it is possible to improve the heat dissipating state of bearing cylinder.
One aspect of the present invention provides a kind of bearing cylinder lubrication system, including: it is arranged on
Lubricant medium import on bearing cylinder and liquid lubricant medium supply passageway, described liquid lubricates
Medium supply passageway one end connects with liquid lubricant medium source, and the other end is via described lubricant medium
Import connects with the rolling element raceway of described bearing cylinder, in order to described liquid lubricant medium source leads to
Cross described liquid lubricant medium supply passageway and provide liquid to the rolling element raceway of described bearing cylinder
Lubricant medium.
Further, described lubricant medium import is described along being radially arranged in of described bearing cylinder
On the outer ring of bearing cylinder.
Further, described liquid lubricant medium supply passageway uses inner flow passage version.
Further, described liquid lubricant medium supply passageway includes being arranged on described bearing cylinder
Bearing inner runner, inside the flange that is arranged in the flange adjacent with described bearing cylinder
Runner and the main shaft internal flow in the main shaft of operating in being arranged on the inner ring of described bearing cylinder
Road, described main shaft inner flow passage is sequentially communicated with described flange inner flow passage and Bearing inner runner.
Further, described flange inner flow passage is arranged on adjacent with the downside of described bearing cylinder
In the lower flange connect.
Further, along the footpath of described flange in described flange inner flow passage is included in described flange
Flange radial flow path to setting and the axially arranged flange shaft orientation flowing channel along described flange, institute
Stating flange radial flow path and described Bearing inner flow passage, described flange shaft orientation flowing channel is with described
Main shaft inner flow passage connects, and connects with described flange radial flow path.
Further, described bearing cylinder and and the adjacent flange of described bearing cylinder between
It is provided with lubricant medium outlet, in order to discharge the liquid in the rolling element raceway of described bearing cylinder
Lubricant medium.
Further, described lubricant medium outlet includes away from described lubricant medium import extremely
The outlet of a few end.
Further, described lubricant medium outlet also includes being arranged on described lubricant medium import
And at least one central exit between the outlet of described end, the latus rectum size of described central exit
The latus rectum size exported less than described end.
Further, described lubricant medium outlet by described bearing cylinder and is opened in described
The groove structure of the end face of the flange that bearing cylinder is adjacent surrounds.
Further, corresponding to described flange radial flow path between described main shaft and described flange
Position be provided with the axis direction along described main shaft axially lubricate runner, described axial lubrication flow
Road connects with described flange radial flow path.
Further, described axial lubrication runner by the periphery wall of described main shaft and is opened in institute
State the axial straight groove structure of the position corresponding to described flange radial flow path on the internal ring wall of flange
Surround.
Further, described flange uses first corresponding to the processing hole of described flange radial flow path
Plug-hole screw seals.
Further, along the axle of described main shaft in described main shaft inner flow passage is included in described main shaft
Main shaft shaft orientation flowing channel to setting and the main shaft radial flow path being radially arranged along described main shaft, institute
Stating main shaft radial flow path to communicate with described flange radial flow path, described main shaft shaft orientation flowing channel is with described
Liquid lubricant medium source connects, and connects with described main shaft radial flow path.
Further, corresponding to described main shaft radial flow path between described main shaft and described flange
Position be provided with annular channel, described main shaft radial flow path is via described annular channel and described method
Blue radial flow path connection.
Further, described annular channel by the internal ring wall of described flange and is opened in described master
The circular groove structure of the position corresponding to described main shaft radial flow path on axle surrounds.
Further, the adding corresponding to described lubricant medium import in the outer ring of described bearing cylinder
Work hole uses the second plug-hole screw to seal.
Further, described liquid lubricant medium source includes gear pump and lubricant medium pond, described
Gear pump is by the main shaft drives of operating in the inner ring of described bearing cylinder, so that described lubrication
Liquid lubricant medium in medium pool sends into described gas by described liquid lubricant medium supply passageway
The rolling element raceway that cylinder shaft is held.
Further, described liquid lubricant medium is compressor lubricating oil.
Another aspect of the present invention provides a kind of sliding-vane compressor, including bearing cylinder,
The most also include aforesaid bearing cylinder lubrication system.
Based on technique scheme, the present invention utilizes liquid lubricant medium supply passageway liquid to be moistened
The liquid lubricant medium of sliding medium source supply sends into the rolling element raceway of bearing cylinder, compared to existing
Have and carry in liquid lubricant medium leaks into rolling element raceway by pump housing intracavity gas merely
The mode of row lubrication, the present invention is capable of the liquid of the larger flow of rolling element in bearing cylinder
The supply of lubricant medium, promotes liquid lubricant medium Circulation in rolling element raceway, carries
High lubricant effect, and then the service life of lifting cylinder bearing.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the application
A part, the schematic description and description of the present invention is used for explaining the present invention, not structure
Become inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural blast schematic diagram of an embodiment of sliding-vane compressor of the present invention.
Fig. 2 is the generalized section of sliding-vane compressor embodiment of the present invention.
Fig. 3 is the partial enlarged drawing of position B in Fig. 2.
Fig. 4 be bearing cylinder in sliding-vane compressor embodiment of the present invention, lower flange, main shaft and
The combinative structure schematic diagram of slide plate.
Fig. 5 is the structural representation of bearing cylinder in bearing cylinder lubrication system embodiment of the present invention
Figure.
Fig. 6 is Section A-A schematic diagram in Fig. 5.
Fig. 7 is the structural representation of lower flange in bearing cylinder lubrication system embodiment of the present invention.
Fig. 8 is section B-B schematic diagram in Fig. 7.
Fig. 9 is the knot of another angle of lower flange in bearing cylinder lubrication system embodiment of the present invention
Structure schematic diagram.
Figure 10 is the structural representation of main shaft in bearing cylinder lubrication system embodiment of the present invention.
Figure 11 is the partial enlarged drawing of position A in Figure 10.
Figure 12 is the structural representation of bearing cylinder lubrication system embodiment middle gear oil pump of the present invention
Figure.
Detailed description of the invention
Below by drawings and Examples, technical scheme is done and further retouches in detail
State.
First herein presented several technical terms are defined and explain, as follows:
Bearing cylinder: served as the cylinder barrel of cylinder by the inner ring of bearing, by the enclosed sky of bearing inner race
Between play the bearing of cylinder action.Bearing cylinder can use cylinder roller bearing, deep groove ball bearing
Etc. multiple bearing type.
Liquid lubricant medium: the lubricant medium of liquid, it is possible to realize the profit of the rolling element to bearing
Sliding effect.Liquid lubricant medium can use compressor hydraulic oil, or adopts according to application scenario
With the liquid medium such as water, emulsion.
As it is shown in figure 1, be the structural blast signal of an embodiment of sliding-vane compressor of the present invention
Figure.In the present embodiment, sliding-vane compressor includes: main shaft 100, bearing cylinder 200, on
Flange 300, lower flange 400, gear oil pump 500, slide plate 600, lower cover 700, aerofluxus
Valve 800 and multiple screw 900.At bearing cylinder 200, upper flange 300, lower flange 400 and
Lower cover 700 is provided with multiple through hole, screw 900 through bearing cylinder 200, upper flange 300,
Through hole on lower flange 400 and lower cover 700 realizes the fixing connection between each parts.
Main shaft 100 be sequentially arranged in upper flange 300, bearing cylinder 200, lower flange 400, under
Among cover plate 700 and gear oil pump 500, it is possible to rotate relative to each parts, 100, main shaft
Part in the inner ring of bearing cylinder 200 is provided with multiple vane slot, and multiple slide plates 600 are plugged in
In vane slot, it is possible to slide smoothly in vane slot.At upper flange 300 and lower flange 400
On except being provided with the through hole passed through for main shaft 100 and screw 900, also can arrange for gas in the pump housing
The through hole that body passes through.Air bleeding valve 800 is arranged on upper flange 300, with bearing cylinder 200 shape
The cylinder connection become.
With reference to Fig. 2,3, in order to realize the lubrication of bearing cylinder 200, the invention provides one
Bearing cylinder lubrication system, this structure includes: be arranged on the lubricant medium on bearing cylinder 200
Import 250 and liquid lubricant medium supply passageway, liquid lubricant medium supply passageway one end and liquid
State lubricant medium source connects, and the other end is via lubricant medium import 250 and bearing cylinder 200
Rolling element raceway 240 connects, in order to liquid lubricant medium source is logical by the supply of liquid lubricant medium
The rolling element raceway 240 of road direction bearing cylinder 200 provides liquid lubricant medium.This bearing cylinder
Liquid lubrication is situated between by liquid lubricant medium supply passageway by lubrication system by liquid lubricant medium source
The rolling element raceway of bearing cylinder is sent in matter source, simple by pump housing intracavity gas compared to existing
Carry liquid lubricant medium to the mode being lubricated in leaking into rolling element raceway, this lubrication
Structure is capable of the supply of the liquid lubricant medium of the larger flow of rolling element in bearing cylinder,
Promote liquid lubricant medium Circulation in rolling element raceway, improve lubricant effect, and then
The service life of lifting cylinder bearing.
When bearing cylinder lubrication system is applied to compressor, liquid lubricant medium can use compression
Machine hydraulic oil, such as conventional 68EP, 50S, 68DA etc..
Lubricant medium import 250 is preferably radially arranged in bearing cylinder along bearing cylinder 200
On the outer ring 210 of 200, specifically refer to shown in Fig. 3, so can make liquid lubricant medium
From radially into rolling element raceway, oil-feed resistance is less, and can be by means of rolling element self
Rotation carry liquid lubricant medium, thus realize more preferable lubricant effect.Implement at another
In example, it is also possible to lubricant medium import is set in other position, such as bearing cylinder 200 He
Space or groove are set between flange as lubricant medium import.
In order to enable liquid lubricant medium to smoothly enter rolling element raceway 240, portion can be used
Point or the mode of whole external pipelines carry out the conveying of liquid lubricant medium.In one embodiment
Preferably employ inner flow passage version, i.e. arranged by the inside of bearing cylinder and surrounding components
The mode of runner, can save parts and simplify pipeline connect, evade exterior line layout,
The problems such as the deformation caused when taking size and exterior line welding.
This inner flow passage structure can specifically include the Bearing inner being arranged on bearing cylinder 200
Runner 260, the flange inner flow passage being arranged in the flange adjacent with bearing cylinder 200 with
And the main shaft internal flow in the main shaft 100 operated in being arranged on the inner ring 220 of bearing cylinder 200
Road, main shaft inner flow passage is sequentially communicated with flange inner flow passage and Bearing inner runner 260.Logical
Cross and coordinate compact main shaft, flange and the runner within bearing cylinder and the relation energy communicated with each other
Enough it is conveniently formed liquid lubricant medium supply passageway, and this inner flow passage is reliable and stable.
Bearing inner runner 260 and lubricant medium import 250 all can be by bearing cylinders 200
Outer ring 210 outside the mode of boring formed, and right in the outer ring 210 of bearing cylinder 200
The second plug-hole screw 270 should be used to seal in the processing hole of lubricant medium import 250, this close
Envelope mode compared with welded seal mode it can be avoided that welding produce problem on deformation.
Among the upper flange 300 adjacent with bearing cylinder 200 and lower flange 400, preferably
In the lower flange 400 adjacent with the downside of bearing cylinder 200, flange inner flow passage is set,
So can reduce the pumping height of liquid lubricant medium, reduce pumping power consumption.Implement at another
Example can also use flange inner flow passage is set in upper flange 300.
With the liquid lubricant medium supply passageway within bearing cylinder, lower flange and main shaft it is below
Example, and combine Fig. 2-Figure 10 each ingredient respectively to liquid lubricant medium supply passageway
Illustrate.
With reference to the flowing of the liquid lubricant medium represented with lines and arrow in Fig. 2, inside flange
It is interior along the flange radial flow path 410 being radially arranged of flange with along flange that runner is included in flange
Axially arranged flange shaft orientation flowing channel 420, wherein flange radial flow path 410 and Bearing inner stream
Road 260 connects, and flange shaft orientation flowing channel 420 connects with main shaft inner flow passage, and with flange radially
Runner 410 connects.Liquid lubricant medium can enter from main shaft inner flow passage under pressure
Enter flange shaft orientation flowing channel 420, and radially flow to the flange in direction away from main shaft 100
Shaft orientation flowing channel 420, more in axial direction flow to Bearing inner 260.Owing to flange inner flow passage is straight
The technology difficulty connecing formation is relatively big, and uses this radial and axial runner can pass through outside
The mode of boring is formed, and then simplifies processing technique.
In order to enable liquid lubricant medium to follow in the rolling element raceway 240 of bearing cylinder 200
Ring gets up, and the heat that the friction pair of band bearing running brings, can bearing cylinder 200 and with
Lubricant medium outlet is set between the flange that bearing cylinder 200 is adjacent, in order to discharge cylinder
Liquid lubricant medium in the rolling element raceway 240 of bearing 200.The liquid lubricant medium discharged
Liquid lubricant medium source can be flowed back to, thus realize the recycling of liquid lubricant medium.
Seeing Fig. 4 and Fig. 7, lubricant medium outlet can include away from lubricant medium import 250
At least one end outlet 440.This end outlet 440 can be disposed furthest from lubrication and be situated between
The position of matter import 250, in order to liquid lubricant medium can be real with rolling element 230 more fully
Existing lubrication, can also be arranged on other in another embodiment away from lubricant medium import
The position of 250.The quantity of end outlet 440 can arrange single end outlet, it is possible to
With arrange two or more end export, specifically can according to the actual requirements and outlet
Latus rectum size adjusts the quantity of end outlet.
Can affect in view of the accumulation of heat in rolling element raceway 240 because produced by friction
To lubricant effect and compressor performance, in order to strengthen heat radiation, can be in lubricant medium import 250
And end outlet 440 between set up further at least one central exit 450 also serve as lubrication be situated between
Matter outlet, this makes it possible to make liquid lubricant medium pass through rolling from lubricant medium import 250
During kinetoplast raceway 240 flows to end outlet 440, it is possible to release from central exit 450
Part carries the liquid lubricant medium of heat, thus strengthens thermolysis.In order to reduce centre
The liquid lubricant medium of outlet 450 releasing is to exporting 440 in rolling element raceway 240 near end
The impact of end lubricant medium supply, need the latus rectum making central exit 450 to be smaller in size than
The latus rectum size of end outlet 440, thus come by the latus rectum size limiting central exit 450
Guarantee can either the lubricant effect of bearing cylinder 200, it is also possible to reduce whole rolling element raceway 240
Lubricant medium temperature, it is thus achieved that preferably radiating effect.
Central exit 450 is arranged between lubricant medium import 250 and end outlet 440, its
Particular location can select according to actual needs closer to lubricant medium import 250 or closer to
End outlet 440, or it is in midpoint between the two.Central exit position is set
Can according to the actual requirements and outlet latus rectum size adjusts the position sum of central exit with quantity
Amount.It is preferably provided with multiple central exit 450, and relative to bearing cylinder centrosymmetry, from
And make the thermolysis of bearing cylinder more uniform.End outlet 440 and central exit 450
Passage is the most preferably radially arranged, to reduce discharge opeing resistance.
For lubricant medium outlet, either end outlet 440, or central exit
450, the end face at the flange adjacent with bearing cylinder 200 all can be used to offer groove structure,
Lubricant medium outlet is surrounded again by this groove structure and bearing cylinder 200.This structure is main
It is to go out groove structure in the Surface Machining of flange, thus reduces because of to bearing cylinder 200 as far as possible
The adverse effect processed and bearing cylinder 200 performance is caused.In a further embodiment, also
Groove structure can be offered, recessed on cause bearing cylinder 100 in the outer ring of bearing cylinder 200
Groove structure and adjacent end face of flange form lubricant medium outlet, it is possible at bearing cylinder
Outer ring and the adjacent end face of flange of 200 all offer groove structure, by both groove structures
It is collectively forming lubricant medium outlet.The cross sectional shape of groove structure can select according to practical situation,
Such as rectangle or semicircle etc..
Additionally, in order to, while lubrication bearing cylinder 200, also take into account main shaft 100 and flange
Between lubrication, can be corresponding to flange radial flow path 410 between main shaft 100 and flange
Position arranges the axially lubrication runner 460 of the axis direction along main shaft 100, axially lubricates runner
460 connect with flange radial flow path 410, this makes it possible to flow through flange radial flow path 410
Liquid lubricant medium flow between main shaft 100 and flange along axially lubrication runner 460, real
Now both good lubrication effects.
In order to form this axially lubrication runner 460, preferably by the periphery wall of main shaft 100 with open
It is located on the internal ring wall of flange the axial straight trough knot of the position corresponding to flange radial flow path 410
Structure surrounds this axially lubrication runner 460.Axial straight groove structure at the internal ring wall of flange can
At main shaft 100 relative in the rotation process of flange, it is achieved the retention of liquid lubricant medium.?
In another embodiment, it is also possible to offer axial straight groove structure on the periphery wall of main shaft, and
Runner is axially lubricated by surrounding this between this axial straight groove structure and internal ring wall of flange
460；Axial straight trough knot can also be all offered on the internal ring wall of the periphery wall of main shaft and flange
Structure.
Be previously noted radial flow path and shaft orientation flowing channel processing on convenience, accordingly for
For radial flow path, processing hole unnecessary on flange can use the first plug-hole screw 430 to seal,
Compared to the mode of welding closure, use plug-hole screw 430 can avoid the flange caused because of welding
Deformation.
In order to form inner flow passage easily in main shaft 100, can use axially and footpath
Mode to boring is formed, along main shaft 100 in i.e. main shaft inner flow passage is included in main shaft 100
Axially arranged main shaft shaft orientation flowing channel 110 and the main shaft radial flow being radially arranged along main shaft 100
Road 120, main shaft radial flow path 120 communicates with flange radial flow path 410, main shaft shaft orientation flowing channel
110 connect with liquid lubricant medium source, and connect with main shaft radial flow path 120.
Because the reason of major axis size, it is possible to the quantity of the main shaft radial flow path 120 of processing is more
Limited, and this unavoidably can be because of main shaft radial flow path 120 and the position of flange radial flow path 410
Relation is continually changing, and causes the intermittent supply of liquid lubricant medium.In order to overcome this to ask
Topic, can be corresponding to the position setting of main shaft radial flow path 120 between main shaft 100 and flange
Annular channel 130, main shaft radial flow path 120 is via annular channel 130 and flange radial flow path
410 connections.By this annular channel 130, main shaft 100 when rotated can 360 degree appoint
Liquid lubricant medium is supplied to flange radial flow path 410 in meaning position.
Annular channel 130 can be corresponded to master by the internal ring wall of flange with being opened on main shaft 100
The circular groove structure of the position of Axial and radial runner 120 surrounds.Processing annular on main shaft 100
It is more convenient that groove structure processes circular groove structure compared with the internal ring wall at flange, but at other
In embodiment, the internal ring wall at flange can also be used to process ring according to different processing technique
Connected in star structure, and surrounded by the periphery of this circular groove structure and main shaft 100, or
Circular groove structure is all offered, by both on the internal ring wall of flange and the periphery of main shaft 100
Circular groove structure surrounds annular channel 130 jointly.
About the selection in liquid lubricant medium source, can use external or built-in pump or other
The drive mechanism that liquid lubricant medium flows can be driven.Preferably employ shown in Fig. 1 and Figure 12
Gear pump 500, i.e. liquid lubricant medium source include that gear pump 500 is (for schematic gear in figure
Pump configuration) and lubricant medium pond, gear pump 500 is by the inner ring 220 at bearing cylinder 200
The main shaft 100 of interior operating drives, so that the liquid lubricant medium in lubricant medium pond passes through liquid
Lubricant medium supply passageway sends into the rolling element raceway 240 of bearing cylinder 200.Gear pump 500
It is capable of the supply of powerful liquid lubricant medium, it is ensured that the liquid lubrication of bearing cylinder 200
The sufficient supplies of medium and mobility, and then realize the sufficient lubrication of bearing cylinder 200, and and
Time take away friction pair produce heat.
See Figure 10-Figure 12, the connection of D-shape configuration can be set in one end 140 of main shaft 100
150, the union joint 150 of this D-shape configuration is connected with the D-shaped hole on gear pump 500, from
And also driven gear pump 500 rotates when main shaft 100 rotates, pump from lubricant medium pond then
Take liquid lubricant medium.When applying this gear pump pumping machine as lubricating oil within the compressor
During structure, compressor operating frequency is the highest, and friction pair friction is the most frequent, then bearing cylinder can produce
More heats, and frequency raises the lifting of the pump oil mass of driven gear pump simultaneously, and then meet
The demand of lubricants capacity during high frequency, and the pump action of gear pump is very reliable, mainly leads
Axle operating be to ensure that liquid lubricant medium pump action so that lubrication is rapid
In time.
Each embodiment of above-mentioned bearing cylinder lubrication system is preferably applied to sliding-vane compressor,
It is readily adaptable for use in any employing bearing cylinder and it needs to the equipment that bearing cylinder is lubricated.
Below by based on the sliding-vane compressor example shown in Fig. 1-Figure 12, illustratively slide plate
Bearing cylinder greasing during formula compressor operating.Compression is used for this sliding-vane compressor
Machine lubricating oil is lubricated as liquid lubricant medium.
When sliding-vane compressor brings into operation, motor (motor is not shown) drives main shaft 100
Rotating, main shaft 100 is revolved by the union joint 150 driven gear pump 500 of the D-shape configuration of bottom
Turning, oil sump (oil sump is not shown) is inserted in the bottom of gear pump 500, and gear pump 500 rotates reality
Existing pump oil, the oil in oil sump enters main shaft shaft orientation flowing channel 110 by gear pump 500 pump oil, main
Centrifugal force that the oil of axle shaft orientation flowing channel 110 is rotated by main shaft 100 and the back pressure effect that oil pump produces
Through main shaft radial direction oil hole 120 and annular channel 130, enter by flange radial flow path 410, method
The flange bearing oil duct that blue shaft orientation flowing channel 420 and Bearing inner runner 260 are constituted, finally arrives
Reach in the rolling element raceway 240 of bearing cylinder 200, it is achieved lubrication.Cylinder is flowed into from gear pump
Bearing, then see Fig. 2-Fig. 4 from the oily stream of bearing cylinder outflow.
For this sliding-vane compressor example, owing to have employed the bearing cylinder lubrication side of the present invention
Formula, by the lubrication oil supplying in liquid lubricant medium source, and then efficiently solves bearing cylinder
The problem that lubricants capacity is little, lubricants capacity brings up to 0.25cc/rev from original 0.03cc/rev, and
By the internal galleries that connection is good and stable, improve cyclicity difference and the cylinder axis of lubricating oil
Hold the bad problem of heat radiation, it is ensured that the lubrication of bearing cylinder and heat radiation, it is to avoid air-breathing heating,
Improve service life and the compressor performance of bearing cylinder；Meanwhile, by the pump oil of gear pump
Pressure, solves the problem that bearing cylinder lubricating oil forces down, and avoids pump housing gases at high pressure as far as possible
The problem entering bearing cylinder raceway.
Finally should be noted that: above example only in order to technical scheme to be described and
Non-to its restriction；Although the present invention being described in detail with reference to preferred embodiment, affiliated
The those of ordinary skill in field is it is understood that still can enter the detailed description of the invention of the present invention
Row is revised or portion of techniques feature is carried out equivalent；Without deviating from technical solution of the present invention
Spirit, it all should be contained in the middle of the technical scheme scope that the present invention is claimed.
Claims (20)
1. a bearing cylinder lubrication system, it is characterised in that including: be arranged on cylinder axis
Hold the lubricant medium import (250) on (200) and liquid lubricant medium supply passageway, described
Liquid lubricant medium supply passageway one end connects with liquid lubricant medium source, and the other end is via described
Lubricant medium import (250) connects with the rolling element raceway (240) of described bearing cylinder (200)
Logical, in order to described liquid lubricant medium source by described liquid lubricant medium supply passageway to described
The rolling element raceway (240) of bearing cylinder (200) provides liquid lubricant medium.
Bearing cylinder lubrication system the most according to claim 1, it is characterised in that institute
State lubricant medium import (250) and be radially arranged in described gas along described bearing cylinder (200)
Cylinder shaft is held on the outer ring (210) of (200).
Bearing cylinder lubrication system the most according to claim 1, it is characterised in that institute
State liquid lubricant medium supply passageway and use inner flow passage version.
Bearing cylinder lubrication system the most according to claim 3, it is characterised in that institute
State liquid lubricant medium supply passageway and include being arranged on the Bearing inner of described bearing cylinder (200)
Runner (260), the flange being arranged in the flange adjacent with described bearing cylinder (200)
Inner flow passage and the master of operating in being arranged on the inner ring (220) of described bearing cylinder (200)
Main shaft inner flow passage in axle (100), described main shaft inner flow passage and described flange inner flow passage
It is sequentially communicated with Bearing inner runner (260).
Bearing cylinder lubrication system the most according to claim 4, it is characterised in that institute
State flange inner flow passage and be arranged on the lower flange adjacent with the downside of described bearing cylinder (200)
(400) in.
Bearing cylinder lubrication system the most according to claim 4, it is characterised in that institute
State flange inner flow passage and be included in the interior flange being radially arranged along described flange of described flange radially
Runner (410) and the axially arranged flange shaft orientation flowing channel (420) along described flange, described
Flange radial flow path (410) connects with described Bearing inner runner (260), described flange shaft
Connect with described main shaft inner flow passage to runner (420), and with described flange radial flow path (410)
Connect.
Bearing cylinder lubrication system the most according to claim 4, it is characterised in that
Described bearing cylinder (200) and and the adjacent flange of described bearing cylinder (200) between set
There is lubricant medium outlet, in order to discharge the rolling element raceway (240) of described bearing cylinder (200)
Interior liquid lubricant medium.
Bearing cylinder lubrication system the most according to claim 7, it is characterised in that institute
State lubricant medium outlet and include at least one end away from described lubricant medium import (250)
Outlet (440).
Bearing cylinder lubrication system the most according to claim 8, it is characterised in that institute
State lubricant medium outlet also to include being arranged on described lubricant medium import (250) and described end
At least one central exit (450) between outlet (440), described central exit (450)
Latus rectum be smaller in size than described end outlet (440) latus rectum size.
Bearing cylinder lubrication system the most according to claim 7, it is characterised in that institute
State lubricant medium outlet by described bearing cylinder (200) and to be opened in and described bearing cylinder
(200) groove structure of the end face of adjacent flange surrounds.
11. bearing cylinder lubrication systems according to claim 6, it is characterised in that
Corresponding to described flange radial flow path (410) between described main shaft (100) and described flange
What position was provided with the axis direction along described main shaft (100) axially lubricates runner (460), institute
State and axially lubricate runner (460) and connect with described flange radial flow path (410).
12. bearing cylinder lubrication systems according to claim 11, it is characterised in that
Described axial lubrication runner (460) is by the periphery wall of described main shaft (100) and is opened in institute
State on the internal ring wall of flange the axially straight of position corresponding to described flange radial flow path (410)
Groove structure surrounds.
13. bearing cylinder lubrication systems according to claim 6, it is characterised in that institute
State flange and use the first plug-hole screw corresponding to the processing hole of described flange radial flow path (410)
(430) seal.
14. bearing cylinder lubrication systems according to claim 6, it is characterised in that institute
That states that main shaft inner flow passage is included in described main shaft (100) along described main shaft (100) is axial
The main shaft shaft orientation flowing channel (110) that arranges and along the main shaft being radially arranged of described main shaft (100)
Radial flow path (120), described main shaft radial flow path (120) and described flange radial flow path (410)
Communicating, described main shaft shaft orientation flowing channel (110) connects with described liquid lubricant medium source, and with institute
State main shaft radial flow path (120) to connect.
15. bearing cylinder lubrication systems according to claim 14, it is characterised in that
Corresponding to described main shaft radial flow path (120) between described main shaft (100) and described flange
Position be provided with annular channel (130), described main shaft radial flow path (120) is via described ring
Shape runner (130) connects with described flange radial flow path (410).
16. bearing cylinder lubrication systems according to claim 15, it is characterised in that
Described annular channel (130) is by the internal ring wall of described flange and is opened in described main shaft (100)
On surround corresponding to the circular groove structure of the position of described main shaft radial flow path (120).
17. bearing cylinder lubrication systems according to claim 2, it is characterised in that
The outer ring (210) of described bearing cylinder (200) corresponds to described lubricant medium import (250)
Processing hole use second plug-hole screw (270) seal.
18. bearing cylinder lubrication systems according to claim 1, it is characterised in that institute
State liquid lubricant medium source and include gear pump (500) and lubricant medium pond, described gear pump (500)
Driven by the main shaft (100) of operating in the inner ring (220) of described bearing cylinder (200),
So that the liquid lubricant medium in described lubricant medium pond is logical by the supply of described liquid lubricant medium
The rolling element raceway (240) of described bearing cylinder (200) is sent on road.
19. according to the arbitrary described bearing cylinder lubrication system of claim 1～18, its feature
Being, described liquid lubricant medium is compressor lubricating oil.
20. 1 kinds of sliding-vane compressors, including bearing cylinder (200), it is characterised in that
Also include the arbitrary described bearing cylinder lubrication system of claim 1～19.
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| CN201610423927.5A CN105952642B (en) | 2016-06-15 | 2016-06-15 | Bearing cylinder lubrication system and sliding-vane compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610423927.5A CN105952642B (en) | 2016-06-15 | 2016-06-15 | Bearing cylinder lubrication system and sliding-vane compressor |
Publications (2)
| Publication Number | Publication Date |
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| CN105952642A true CN105952642A (en) | 2016-09-21 |
| CN105952642B CN105952642B (en) | 2018-06-08 |
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| JP2021510408A (en) * | 2018-01-11 | 2021-04-22 | トゥーサークル インダストリーズ エーエス | Rotary sliding vane machine with vane sliding bearings and pivot bearings |
| US20220034323A1 (en) * | 2019-02-27 | 2022-02-03 | Gree Electric Appliances, Inc. Of Zhuhai | Pumping assembly, compressor and air conditioning equipment |
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| JP2021510408A (en) * | 2018-01-11 | 2021-04-22 | トゥーサークル インダストリーズ エーエス | Rotary sliding vane machine with vane sliding bearings and pivot bearings |
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| US20220034323A1 (en) * | 2019-02-27 | 2022-02-03 | Gree Electric Appliances, Inc. Of Zhuhai | Pumping assembly, compressor and air conditioning equipment |
| US11898562B2 (en) * | 2019-02-27 | 2024-02-13 | Gree Electric Appliances, Inc. Of Zhuhai | Pumping assembly, compressor and air conditioning equipment |
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