CN108006065A - Water lubriucated bearing and the compressor with water lubriucated bearing - Google Patents
Water lubriucated bearing and the compressor with water lubriucated bearing Download PDFInfo
- Publication number
- CN108006065A CN108006065A CN201711320240.XA CN201711320240A CN108006065A CN 108006065 A CN108006065 A CN 108006065A CN 201711320240 A CN201711320240 A CN 201711320240A CN 108006065 A CN108006065 A CN 108006065A
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- China
- Prior art keywords
- sliding surface
- bearing
- revolving body
- water lubriucated
- lubriucated bearing
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C17/00—Sliding-contact bearings for exclusively rotary movement
- F16C17/10—Sliding-contact bearings for exclusively rotary movement for both radial and axial load
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- 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
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- 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
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- 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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/02—Parts of sliding-contact bearings
- F16C33/04—Brasses; Bushes; Linings
- F16C33/24—Brasses; Bushes; Linings with different areas of the sliding surface consisting of different materials
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- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2202/00—Solid materials defined by their properties
- F16C2202/50—Lubricating properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2204/00—Metallic materials; Alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2208/00—Plastics; Synthetic resins, e.g. rubbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/43—Screw compressors
Abstract
The invention discloses water lubriucated bearing and with water lubriucated bearing compressor, including the first sliding surface, the second sliding surface and the 3rd sliding surface, first sliding surface is axial thrust face, there is thrust bearing, second sliding surface is radial sliding surface, there is journal bearing, the 3rd sliding surface is axial thrust face, has the function of reverse thrust.The bearing solve thes problems, such as that existing water-lubricated slide bearing cannot bear radial load and axial force at the same time, it is integrated with reverse thrust function at the same time, so that water lubrication rotating machinery is compact-sized, the reliability of machine operation is improved at the same time, and substantially reduce the cost of later stage maintenance, using the Compressor Manufacturing and assembly technology of the water lubriucated bearing be simple, reliable and stable work, compressor can be made to be run reliably and with long-term under the operating condition close to isotherm compression.
Description
Technical field
The present invention relates to technical field of mechanical transmission, more particularly to water lubriucated bearing and the compression with water lubriucated bearing
Machine.
Background technology
Water lubriucated bearing is divided into two class of journal bearing and thrust bearing according to the difference for bearing load.In traditional water lubrication
In machinery, when rotary part at the same time there are when radial load and axial load, it is necessary to be respectively arranged two journal bearings and one
Thrust bearing bears load.In start and stop or reversion, the direction of axial load can undergo mutation part water lubrication rotating machinery,
Therefore arranged direction thrust water lubriucated bearing is also needed to be protected.I.e. one there are radial and axial load rotating part at the same time
Part just can guarantee that the reliability service of machinery, it is necessary to 3~4 water lubriucated bearings.But number of bearings it is excessive when, not only increase warp
Ji cost, and rotating machinery structure is tended to be complicated, the requirement to machining accuracy and production technology is more harsh.
Double-screw compressor is a kind of while there are the rotating machinery of radial and axial load, and its axial load exists
Reverse possibility.Therefore need respectively to arrange 4 bearings on positive screw rod and female screw, just can guarantee that compressor reliability service.
In water lubrication double-screw compressor, since the viscosity of water is very low, sliding bearing needs very big loading end and just can guarantee that reliably
Operation.And the demand of respective 4 bearings of yin, yang screw rod, make water lubrication double-screw compressor complicated, to machining accuracy and system
Make technological requirement higher, low production efficiency.In addition, conventional twin screw compressor, in the protection side of yin, yang screw spiral end face
Face, only reverse thrust bearing can protect the spiral end face of exhaust from abrasion, the only reserved larger gap in the spiral end face of air-breathing come into
Row protection.But after thrust bearing wearing amount exceedes suction end preset clearance, the spiral end face of air-breathing still has what is worn
Risk.At present in addition to shortening maintenance period, effective solution is had no.
The content of the invention
Can be by journal bearing, thrust bearing and deboost bearing three the technical problem to be solved by the present invention is to provide one kind
The water lubriucated bearing that person's function becomes one.
The technical solution adopted by the present invention to solve the technical problems is：Water lubriucated bearing, including rotary structure, it is described
Rotary structure is included positioned at anterior the first revolving body and the second revolving body positioned at rear portion, the diameter of first revolving body
It is the first sliding surface more than one side of first revolving body away from the second revolving body described in the second revolving body, first sliding surface
Opposite face be the 3rd sliding surface, the second revolving body medial surface is inner cylinder face, and the second revolution outside is the
Two sliding surfaces, second revolving body are end face away from the first revolving body one side, and spiral shell is provided with the middle part of first revolving body
Follow closely counterbore and screwing through hole.
It is further：First sliding surface, the second sliding surface and the 3rd sliding surface moisten for hard metal material or certainly
Sliding nonmetallic materials, first sliding surface, the second sliding surface and the 3rd sliding surface form self-lubricating with being relatively sliding face
Nonmetallic/hard metal is secondary to mill, and the self-lubricating non-metal material surface is provided with water-carrying groove.
The invention also discloses the compressor with water lubriucated bearing, including sequentially connected suction end body, casing, exhaust
Body and exhaust end cover are held, the casing internal is provided with intermeshing positive screw rod and female screw, is fixed on the suction end body
There are positive side-thrust disk and cloudy side-thrust disk, positive side-thrust disk and cloudy side-thrust disk center are both provided with inlet through hole, the air-breathing
Two inlet openings corresponding with inlet through hole respectively are provided with the body of end, the rear and front end of the sun screw rod has been respectively fixedly connected with
Positive side suction end water lubriucated bearing and positive side exhaust end water lubriucated bearing, the female screw both sides have been respectively fixedly connected with cloudy side
Suction end water lubriucated bearing and cloudy side exhaust end water lubriucated bearing；
The sun side suction end water lubriucated bearing includes rotary structure, and the rotary structure includes the positioned at front portion
Single-revolution body and the second revolving body positioned at rear portion, the diameter of first revolving body are more than the second revolving body, described first time
One side of the swivel away from the second revolving body is the first sliding surface, and the opposite face of first sliding surface is the 3rd sliding surface, institute
It is inner cylinder face to state the second revolving body medial surface, and the second revolution outside is the second sliding surface, first revolving body
Middle part is provided with screw counter bore and screwing through hole；
The sun side suction end water lubriucated bearing is identical with the structure of cloudy side suction end water lubriucated bearing.
It is further：Be fixed with fixed block on the casing, the both sides of the face of the fixed block respectively with positive screw rod and
The suction side helicoid of female screw forms secondary to mill.
It is further：First sliding surface, the second sliding surface and the 3rd sliding surface moisten for hard metal material or certainly
Sliding nonmetallic materials, first sliding surface, the second sliding surface and the 3rd sliding surface form self-lubricating with being relatively sliding face
Nonmetallic/hard metal is secondary to mill, and the self-lubricating non-metal material surface is provided with water-carrying groove.
It is further：Positive side exhaust end clearance is provided between the sun side suction end water lubriucated bearing and positive screw rod
Adjustment ring, is provided with cloudy side exhaust end clearance adjustment ring between the moon side suction end water lubriucated bearing and female screw.
The beneficial effects of the invention are as follows：The bearing of the present invention, which efficiently solves existing water-lubricated slide bearing, to be held at the same time
The problem of by radial load and axial force, while reverse thrust function is integrated with, by three differences in traditional water lubrication rotating machinery
The part of function becomes one, and effectively improves the compactedness of water lubrication rotating machinery, while improves the reliability of machine operation,
And substantially reduce the cost of later stage maintenance.
The present invention provides a kind of water lubrication double-screw compressor, which employs above-mentioned water lubriucated bearing, can
Radial direction and axial load are born at the same time, while there is reverse thrust, effectively protect yin, yang screw rod exhaust end face.Compressor
Fixed block is arranged in yin, yang screw rod suction end at the same time, can effectively protect yin, yang screw rod air-breathing end face.Compared with prior art,
The compressor is effectively simplified structure, improves complete machine compactedness, and manufacture and assembly technology are simple, improve production efficiency, at the same time
The bidirectional protective to yin, yang screw rod is formd, improves reliability, effectively extends maintenance period, maintenance cost is reduced, pressure can be made
Contracting machine is run reliably and with long-term under the operating condition close to isotherm compression.
Brief description of the drawings
Fig. 1 is the water lubriucated bearing profile of rotary structure in the present invention.
Fig. 2 is water lubrication double-screw compressor cross-sectional view of the structure in the present invention.
In figure mark for：First sliding surface 1, the second sliding surface 2, the 3rd sliding surface 3, inner cylinder face 4, screw counter bore 5, spiral shell
Follow closely through hole 6, end face 7, suction end body 8, casing 9, exhaust end body 10, exhaust end cover 11, positive screw rod 12, female screw 13, positive side suction
Gas end water lubriucated bearing 14, cloudy side suction end water lubriucated bearing 15, positive side-thrust disk 16, cloudy side-thrust disk 17, positive side exhaust end
Face gap adjustment ring 18, cloudy side exhaust end clearance adjustment ring 19, fixed block 20, positive side exhaust end water lubriucated bearing 21, cloudy side
Exhaust end water lubriucated bearing 22, round nut 23, axle envelope 24, gland 25.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
Water lubriucated bearing as shown in Figure 1, includes rotary structure, and the rotary structure is included positioned at anterior the
Single-revolution body and the second revolving body positioned at rear portion, the diameter of first revolving body are more than the first revolution described in the second revolving body
One side of the body away from the second revolving body is the first sliding surface 1, and the opposite face of first sliding surface 1 is the 3rd sliding surface 3, institute
It is inner cylinder face 4 to state the second revolving body medial surface, and the second revolution outside is the second sliding surface 2, second revolution
Body is end face 7 away from the first revolving body one side, and screw counter bore 5 and screwing through hole 6 are provided with the middle part of first revolving body, this
Water lubriucated bearing is not limited to single material, can by being molded, casting, the mode such as plated film, possess various material, described first
The materials such as sliding surface 1, the second sliding surface 2, the 3rd sliding surface 3 can be hard metals or self-lubricating is nonmetallic, described first slides
Dynamic face 1 is axial thrust face, has the function of thrust bearing, if self-lubricating non-metallic material, surface should have water-carrying groove；Institute
It is radial sliding surface to state the second sliding surface 2, has the function of journal bearing；3rd sliding surface 3 is axial thrust face, is had
The function of reverse thrust, if self-lubricating non-metallic material, surface should have water-carrying groove, and the inner cylinder face 4 is matched somebody with somebody with rotation axis
Close；The end face 7 is used for axially position water lubriucated bearing on the rotary shaft；The screw counter bore 5 and the screwing through hole 6 are used
In through screw by the water lubriucated bearing lock on the rotary shaft.The water lubriucated bearing can be that the first sliding surface 1, second of collection is slided
Dynamic face 2, the 3rd sliding surface 3 have in the combination of the single part or two or three parts of one, bearing of the invention
Effect solves the problems, such as that existing water-lubricated slide bearing cannot bear radial load and axial force at the same time, while is integrated with reverse thrust
Function, the part of three difference in functionality in traditional water lubrication rotating machinery is become one, effectively improves water lubrication whirler
The compactedness of tool, while the reliability of machine operation is improved, and substantially reduce the cost of later stage maintenance.
The invention also discloses the compressor with water lubriucated bearing, as shown in Fig. 2, including sequentially connected suction end body
8th, casing 9, exhaust end body 10 and exhaust end cover 11, the casing 9 are internally provided with intermeshing positive screw rod 12 and female screw
13, positive side-thrust disk 16 and cloudy side-thrust disk 17, the sun side-thrust disk 16, cloudy side-thrust are fixed with the suction end body 8
Disk 17 is with screw lock on suction end body 8, and positive side-thrust disk 16 and cloudy 17 center of side-thrust disk are both provided with inlet through hole, institute
State and two inlet openings corresponding with inlet through hole respectively are provided with suction end body 8, the rear and front end difference of the sun screw rod 12
It is fixedly connected with positive side suction end water lubriucated bearing 14 and positive side exhaust end water lubriucated bearing 21,13 both sides of the female screw difference
It has been fixedly connected with cloudy side suction end water lubriucated bearing 15 and cloudy side exhaust end water lubriucated bearing 22；Including rotary structure, institute
Stating rotary structure is included positioned at anterior the first revolving body and the second revolving body positioned at rear portion, first revolving body it is straight
Footpath is the first sliding surface 1 more than one side of first revolving body away from the second revolving body described in the second revolving body, and described first slides
The opposite face in dynamic face 1 is the 3rd sliding surface 3, and the second revolving body medial surface is inner cylinder face 4, on the outside of second revolving body
Face is the second sliding surface 2, and second revolving body is end face 7 away from the first revolving body one side, in the middle part of first revolving body
It is provided with screw counter bore 5 and screwing through hole 6.Sun side suction end water lubriucated bearing 14 and cloudy side suction end water lubriucated bearing 15
With structure it is identical, the sun side exhaust end water lubriucated bearing 21 and cloudy side exhaust end water lubriucated bearing 22 are common cylinder axis
Hold, the first sliding surface 1 of the sun side-thrust disk 16 and positive side suction end water lubriucated bearing 14 forms opposite sliding surface, described the moon
First sliding surface 1 of side-thrust disk 17 and cloudy side suction end water lubriucated bearing 15 forms opposite sliding surface.Above-mentioned each opposite slip
Between face, should be formed self-lubricating it is nonmetallic/hard metal is secondary to mill.When positive side-thrust disk 16, cloudy side-thrust disk 17 are from profit
During sliding non-metallic material, the surface of mill is honoured with water lubrication shaft should open up radial direction water-carrying groove, sun side suction end water lubrication shaft
It is opposite sliding surface, cloudy side suction end water that 14 the second sliding surface 2, which is held, with the inner cylinder face 4 of 9 air-breathing Dragon Boat Festival screw rod of casing, 12 side
It is opposite sliding surface to lubricate the second sliding surface 2 of bearing 15 and the inner cylinder face 4 of 9 suction end female screw of casing, 13 side, and positive side is inhaled
3rd sliding surface 3 of gas end water lubriucated bearing 14 and the left end face 7 of casing 9 are with respect to sliding surface, cloudy side suction end water lubrication
3rd sliding surface 3 of bearing 15 and the left end face 7 of casing 9 are opposite sliding surface.Exhaust end body 10 is located at positive 12 side of screw rod
The external cylindrical surface 2 of inner cylinder face 4 and positive side exhaust end water lubriucated bearing 21 is opposite sliding surface, and exhaust end body 10 is located at female screw
The external cylindrical surface 2 of the inner cylinder face 4 of 13 sides and the non-metallic part of the cloudy side exhaust end water lubriucated bearing 22 is opposite slides
Face.Between above-mentioned each opposite sliding surface, should be formed self-lubricating it is nonmetallic/hard metal is secondary to mill, positive side suction end water lubrication
Bearing 14 and cloudy side suction end water lubriucated bearing 15 are assemblied on positive screw rod 12 and female screw 13 respectively, are locked by screw
Tightly, positive side exhaust end water lubriucated bearing 21 is locked at by round nut 23 on the exhaust end axis of positive screw rod 12, cloudy side exhaust end water
Bearing 22 is lubricated by the use screw lock of gland 25 on the exhaust end axis of female screw 13, and axle envelope 24 is by way of interference fit
It is fixed on exhaust end cover 11, axle envelope 24 can realize the sealing to positive 12 projecting shaft of screw rod, this compressor contracting machine employs above-mentioned
Positive side suction end water lubriucated bearing 14 and cloudy side suction end water lubriucated bearing 15, can bear radial direction and axial load at the same time, together
When there is reverse thrust, effectively protect the exhaust end face 7 of female screw 13 and positive screw rod 12, compared with prior art, the pressure
Contracting machine is effectively simplified structure, improves complete machine compactedness, and manufacture and assembly technology are simple, improve production efficiency.
On the basis of the above, as shown in Fig. 2, being fixed with fixed block 20 on the casing 9, the two side ends of the fixed block 20
Face 7 is formed with the suction side helicoid of positive screw rod 12 and female screw 13 to mill pair, when the air-breathing of positive screw rod 12, female screw 13 respectively
When end face 7 is hard metal, fixed block 20 is self-lubricating non-metallic material.Fixed block 20 does not merely comprise axial air-breathing aperture, together
When can protect positive screw rod 12, the spiral end face 7 of the suction side of female screw 13 in thrust disc and cloudy side-thrust 17 excessive wear of disk
Not frayed, the thickness of fixed block 20 can need unrestricted choice according to 7 gap of compressor air suction end face and displacement,
The fixed block of this compressor and positive side suction end water lubriucated bearing 14 and cloudy side suction end water lubriucated bearing 15 while form pair
The bidirectional protective of female screw 13 and positive screw rod 12, improves reliability, effectively extends maintenance period, reduces maintenance cost, can make
Compressor is run reliably and with long-term under the operating condition close to isotherm compression.
On the basis of the above, as shown in Fig. 2, being provided between sun side suction end water lubriucated bearing 14 and positive screw rod 12
Positive side is vented end clearance adjustment ring 18, and being provided with cloudy side between the moon side suction end water lubriucated bearing 15 and female screw 13 arranges
Gas end clearance adjustment ring 19, adjustment ring are used for adjusting screw rod exhaust 7 gap of end face, ensure the steady of positive screw rod 12 and female screw 13
Fixed work.
Particular embodiments described above, has carried out the purpose of the present invention, technical solution and beneficial effect further in detail
Describe in detail it is bright, it should be understood that the foregoing is merely the present invention specific embodiment, be not intended to limit the invention, it is all
Within the spirit and principles in the present invention, any modification, equivalent substitution, improvement and etc. done, should be included in the guarantor of the present invention
Within the scope of shield.
Claims (6)
1. water lubriucated bearing, it is characterised in that：Including rotary structure, the rotary structure is included positioned at anterior first time
Swivel and the second revolving body positioned at rear portion, the diameter of first revolving body are more than the second revolving body, first revolving body
One side away from the second revolving body is the first sliding surface (1), and the opposite face of first sliding surface (1) is the 3rd sliding surface
(3), the second revolving body medial surface is inner cylinder face (4), and the second revolution outside is the second sliding surface (2), institute
It is end face (7) that the second revolving body, which is stated, away from the first revolving body one side, and screw counter bore (5) is provided with the middle part of first revolving body
With screwing through hole (6).
2. water lubriucated bearing as claimed in claim 1, it is characterised in that：First sliding surface (1), the second sliding surface (2)
It is hard metal material or self-lubricating nonmetallic materials with the 3rd sliding surface (3), first sliding surface (1), the second sliding surface
(2) and the 3rd sliding surface and be relatively sliding face formed self-lubricating it is nonmetallic/hard metal is secondary to mill, the non-gold of self-lubricating
Belong to material surface and be provided with water-carrying groove.
3. with water lubriucated bearing compressor, including sequentially connected suction end body (8), casing (9), exhaust end body (10) and
Exhaust end cover (11), the casing (9) are internally provided with intermeshing positive screw rod (12) and female screw (13), the suction end
Positive side-thrust disk (16) and cloudy side-thrust disk (17) are fixed with body (8), in positive side-thrust disk (16) and the moon side-thrust disk (17)
The heart is both provided with inlet through hole, and two inlet openings corresponding with inlet through hole respectively are provided with the suction end body (8), it is special
Sign is：The rear and front end of the sun screw rod (12) has been respectively fixedly connected with positive side suction end water lubriucated bearing (14) and positive side row
Gas end water lubriucated bearing (21), female screw (13) both sides have been respectively fixedly connected with cloudy side suction end water lubriucated bearing (15)
With cloudy side exhaust end water lubriucated bearing (22), the sun side exhaust end water lubriucated bearing (21) and cloudy side exhaust end water lubriucated bearing
(22) it is cylindrical bearing；
The sun side suction end water lubriucated bearing (14) includes rotary structure, and the rotary structure includes the positioned at front portion
Single-revolution body and the second revolving body positioned at rear portion, the diameter of first revolving body are more than the second revolving body, described first time
One side of the swivel away from the second revolving body is the first sliding surface (1), and the opposite face of first sliding surface (1) slides for the 3rd
Face (3), the second revolving body medial surface are inner cylinder face (4), and the second revolution outside is the second sliding surface (2),
Second revolving body is end face (7) away from the first revolving body one side, and screw counter bore is provided with the middle part of first revolving body
(5) and screwing through hole (6)；
The sun side suction end water lubriucated bearing (14) is identical with the structure of cloudy side suction end water lubriucated bearing (15).
4. there is the compressor of water lubriucated bearing as claimed in claim 3, it is characterised in that：It is fixed with the casing (9)
Fixed block (20), the both sides of the face (7) of the fixed block (20) respectively with positive screw rod (12) and the suction side spiral shell of female screw (13)
Radial facing forms secondary to mill.
5. there is the compressor of water lubriucated bearing as claimed in claim 3, it is characterised in that：First sliding surface (1),
Two sliding surfaces (2) and the 3rd sliding surface (3) are hard metal material or self-lubricating nonmetallic materials, first sliding surface (1),
Second sliding surface (2) and the 3rd sliding surface and be relatively sliding face formed self-lubricating it is nonmetallic/hard metal is secondary to mill, described
Self-lubricating non-metal material surface is provided with water-carrying groove.
6. there is the compressor of water lubriucated bearing as claimed in claim 3, it is characterised in that：Sun side suction end water lubrication
Positive side exhaust end clearance adjustment ring (18), the moon side suction end water lubrication are provided between bearing (14) and positive screw rod (12)
Cloudy side exhaust end clearance adjustment ring (19) is provided between bearing (15) and female screw (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109058103A (en) * | 2018-09-25 | 2018-12-21 | 宁波鲍斯能源装备股份有限公司 | Water jet helical-lobe compressor |
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