CN112483393B - Sliding vane type air compressor - Google Patents
Sliding vane type air compressor Download PDFInfo
- Publication number
- CN112483393B CN112483393B CN202011449385.1A CN202011449385A CN112483393B CN 112483393 B CN112483393 B CN 112483393B CN 202011449385 A CN202011449385 A CN 202011449385A CN 112483393 B CN112483393 B CN 112483393B
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- Prior art keywords
- oil
- assembly
- fixedly connected
- core
- storage shell
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- 239000003921 oil Substances 0.000 claims description 291
- 239000010687 lubricating oil Substances 0.000 claims description 28
- 238000000926 separation method Methods 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 14
- 230000006835 compression Effects 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 239000007788 liquid Substances 0.000 claims description 3
- 238000005461 lubrication Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000004945 emulsification Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
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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
- F04C18/30—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
-
- 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
- F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
- F04C23/02—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- 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
- F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/005—Means for transmitting movement from the prime mover to driven parts of the pump, e.g. clutches, couplings, transmissions
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/026—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
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
Abstract
The invention discloses a sliding vane type air compressor, which comprises a motor, a bell jar and a coupler assembly, wherein the bell jar and the coupler assembly are fixed on the motor, an air guiding volute is fixed on the bell jar, a large impeller is fixed on the coupler assembly, a connecting disc is fixed on the volute, and a head part of the sliding vane type air compressor is fixed through the connecting disc and the coupler assembly. The invention adopts a vertical oil core and an external oil filter design. The disassembly is convenient, and the replacement of the oil filter core and the oil core is convenient when the sliding vane type air compressor is maintained; the oil core is vertical, the oil content of compressed air can be reduced by adopting an oil gas external inlet and internal outlet design, and the service life of the oil core is prolonged; the size of the exhaust port of the oil storage shell and the contact area between the oil storage barrel body and the oil storage shell are increased, heat transfer is facilitated, the temperature difference between the inside of the oil storage barrel and the compressed air inside the oil storage shell is reduced, and the emulsification risk of the split type air compressor is reduced.
Description
Technical Field
The invention relates to a sliding vane type air compressor, and belongs to the technical field of compressor equipment.
Background
An air compressor, i.e. an air compressor, is a device for compressing a gas. The air compressor is a basic product of industrial modernization, provides air source power and is core equipment of a pneumatic system.
The traditional sliding vane air compressor generally adopts a horizontally arranged oil content structure, and the oil content core air inlet and outlet modes are the arrangement of internal inlet and outlet and internal oil filtration.
The following problems also occur in the air compressor:
1. because the horizontal oil structure is adopted, the oil mass accumulation is generated at the bottom of the oil core, and the filtering performance and the service life of the oil core are reduced.
2. The gas inlet and outlet modes of the oil core can lead to high oil content of the exhaust gas.
3. When the air compressor is maintained, the oil filter is replaced, the built-in oil filter is inconvenient to maintain, and the maintenance cost is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a sliding vane type air compressor, which realizes vertical installation of an oil core, prolongs the service life of the oil core, externally installs an oil filter, reduces the exhaust oil content of the air compressor, is convenient to maintain and reduces the maintenance cost.
In order to solve the problems, the invention adopts the following technical scheme:
A sliding vane type air compressor comprises a motor, a bell jar fixedly connected to the left side of the motor, a coupler assembly fixedly connected to a power shaft of the motor and positioned in the bell jar, a volute fixedly connected to the left side of the bell jar, a protection net fixedly connected to the outer periphery of the bell jar, a connecting disc fixedly connected to the volute at the right side end and an oil storage shell assembly fixedly connected to the left side end of the connecting disc;
the coupler assembly is fixedly connected with a large impeller, and the large impeller is positioned in the volute;
A stator-rotor assembly is fixedly connected to the connecting disc, and the stator-rotor assembly is fixedly connected with the left side end of the coupler assembly;
an air inlet valve assembly is fixedly arranged at the left side end of the stator-rotor assembly;
the oil storage shell assembly comprises an oil storage shell, an oil barrel assembly, an oil filter assembly and an oil receiving cover which are fixedly connected to the oil storage shell;
The motor shaft is connected with the coupler assembly to drive the large impeller to rotate, so that the whole machine is cooled, the rotor of the stator-rotor assembly is driven to rotate, and the rotor realizes gas compression through the eccentric with the stator and the matching with the sliding sheets.
As a further improvement of the invention, the top of the oil storage shell is provided with a positioning port, and the oil barrel assembly comprises an oil barrel body fixedly connected to the positioning port and an oil barrel cover fixedly connected to the upper end of the oil barrel body.
As a further improvement of the invention, the lower end face of the oil content barrel body is sealed with the positioning port of the oil storage shell through an O-shaped ring, and the lower end face of the oil content barrel body is fixedly connected with the positioning port of the oil storage shell through an inner hexagon screw;
the oil barrel body is internally provided with an oil core, an upper end fixing surface of the oil core is positioned between the upper end surface of the oil barrel body and the lower end surface of the oil barrel cover, the upper end fixing surface of the oil core, the upper end surface of the oil barrel body and the lower end surface of the oil barrel cover are sealed through O-shaped rings, and the upper end fixing surface of the oil core, the upper end surface of the oil barrel body and the lower end surface of the oil barrel cover are fixedly connected through socket head cap screws;
the metal piece of the oil core is grounded, the oil core is contacted with the oil barrel body and the oil barrel cover through the end faces, and the electrostatic discharge of the oil core can be fully ensured.
As a further improvement of the invention, a connecting hole for returning oil and air is formed on the oil content barrel cover, and an oil suction pipe is fixed at the middle position of the bottom of the oil content barrel cover; the upper end of the oil suction pipe is communicated with the connecting hole, and the lower end of the oil suction pipe is connected below the liquid level of the filtered lubricating oil in the oil core; the top fixedly connected with minimum pressure check valve of oil content bung, minimum pressure check valve guarantees that the gleitbretter air compressor starts the time see the internal pressure of establishing 5Bar, realizes the inside normal cycle of lubricating oil of gleitbretter air compressor.
As a further improvement of the invention, an oil return pipe is connected between the side part of the oil content barrel body and the oil storage shell assembly; the lower end of the oil return pipe is positioned in an inner half compression area of the sliding vane compressor, and the upper end of the oil return pipe is connected with a one-way valve communicated with the oil core through a clamping sleeve joint;
And the lubricating oil filtered by the oil core is recycled to the half compression area in the sliding vane type air compressor through the oil suction pipe, the oil return hole in the oil barrel cover, the one-way valve, the clamping sleeve joint and the oil return pipe to participate in air compression lubrication again.
As a further improvement of the invention, the oil separation barrel also comprises an air return pipe, wherein two ends of the air return pipe are fixedly connected with an air return hole in the oil separation barrel cover and the stator and rotor assembly through a clamping sleeve joint respectively;
when the sliding vane type air compressor is stopped, high-pressure gas enters an air return hole in the oil barrel cover from the oil barrel assembly, sequentially passes through the clamping sleeve joint and the air return pipe, and then enters the stator and rotor assembly to be discharged, and the next idle starting is waited.
As a further improvement of the invention, air enters from the air inlet valve assembly, is compressed by the stator and rotor assembly, compressed high-pressure gas enters into the oil storage shell cavity, enters into the oil content barrel body through the labyrinth air passage, passes through the oil content core from outside to inside, reaches a fixed value, passes through the minimum pressure check valve, and is discharged from the oil content barrel cover.
As a further improvement of the invention, the temperature control valve assembly for detecting the temperature of the lubricating oil in the sliding vane type air compressor is further included, when the temperature reaches the opening temperature of the temperature control valve core in the temperature control valve assembly, the temperature control valve assembly is opened, and the lubricating oil starts to be cooled by the external cooler in an external circulation mode.
As a further improvement of the invention, the oil filter assembly comprises an oil filter seat fixed on the oil storage shell, an oil filter fixedly connected on the oil filter seat and a hollow stud fixedly connected between the oil filter seat and the oil filter;
The oil filter and the oil filter seat are sealed by a sealing ring;
The lubricating oil in the oil storage shell enters the oil filter through the oil filter seat, and the lubricating oil filtered by the oil filter returns from the hollow stud to the pipeline inside the oil filter seat to enter the oil storage shell.
The beneficial effects of adopting above-mentioned technical scheme to produce lie in:
The oil separation filter element is reasonable in structural design and convenient to assemble and maintain, the oil separation filter element can be replaced by the machine head structure through the detachable oil separation barrel cover, and the oil separation filter element can be removed from the oil separation barrel body part in a special environment with high requirements when the filter element is assembled and replaced, and the oil separation assembly part is integrally translated and taken down to replace the oil separation filter element. The connecting and positioning seat part at the top of the oil storage shell of the machine head structure is sealed by adopting a symmetrical layout plane, the assembly direction can be adjusted when the oil storage shell is assembled, and the direction of an exhaust port, an oil return hole and an air return hole is changed. The pore diameter of the vent hole of the oil storage shell is enlarged, the problem that the temperature difference between the inside of the oil storage barrel and the inside of the oil storage shell is large is solved, and the risk of emulsification of the air compressor is reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the whole machine assembly of the present invention;
FIG. 2 is an exploded view of the whole machine of the present invention;
FIG. 3 is an exploded view of the oil drum assembly of the present invention;
FIG. 4 is a schematic diagram of a cross-sectional structure of an oil communication assembly according to the present invention;
FIG. 5 is a schematic diagram of a cross-sectional oil return structure of a machine head of the invention;
FIG. 6 is a schematic diagram of a cross-sectional structure of an external oil filter assembly according to the present invention.
Wherein:
The oil filter comprises an air inlet valve assembly, a stator and rotor assembly, an oil storage shell assembly, an oil filter assembly, a coupling assembly, a connecting disc, a large impeller, a volute, a bell jar, a protective net, a motor, a temperature control assembly, an oil barrel assembly, an oil receiving cover, an oil barrel body, an oil barrel core, an oil barrel cover, a minimum pressure check valve, an oil suction pipe, a cutting sleeve joint, an oil return pipe, a check valve, a 24 oil storage shell, an oil filter, a 25 oil filter, a 26 sealing ring, a hollow stud, and an oil filter seat.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
As shown in figures 1-6 of the drawings,
The sliding vane type air compressor comprises a motor 11, a bell jar 9 fixedly connected to the left side of the motor 11, a coupling assembly 5 fixedly connected to a power shaft of the motor 11 and positioned in the bell jar 9, a volute 8 fixedly connected to the left side of the bell jar 9, a protective net 10 fixedly connected to the outer periphery of the bell jar 9, a connecting disc 6 fixedly connected to the volute 8 at the right side end and an oil storage shell assembly 3 fixedly connected to the left side end of the connecting disc 6;
the coupler assembly 5 is fixedly connected with a large impeller 7, and the large impeller 7 is positioned in a volute 8;
The connecting disc 6 is fixedly connected with a stator-rotor assembly 2, and the stator-rotor assembly 2 is fixedly connected with the left side end of the coupler assembly 5;
an air inlet valve assembly 1 is fixedly arranged at the left side end of the stator-rotor assembly 2;
The oil storage shell assembly 3 comprises an oil storage shell 24, an oil barrel assembly 13 fixedly connected to the oil storage shell 24, an oil filter assembly 4 and an oil receiving cover 14;
The shaft coupling assembly 5 is connected with a motor 11 to drive the large impeller 7 to rotate, so that the whole machine is cooled, the rotor of the stator-rotor assembly 2 is driven to rotate, and the rotor realizes gas compression through the eccentric with a stator and the matching with a sliding sheet.
Further, a positioning port is provided at the top of the oil storage shell 24, and the oil barrel assembly 13 includes an oil barrel body 15 fixedly connected to the positioning port and an oil barrel cover 17 fixedly connected to the upper end of the oil barrel body 15.
Further, the lower end surface of the oil content barrel body 15 is sealed with the positioning port of the oil storage shell 24 through an O-ring, and the lower end surface of the oil content barrel body 15 is fixedly connected with the positioning port of the oil storage shell 24 through an inner hexagon screw;
An oil core 16 is arranged in the oil content barrel body 15, an upper end fixing surface of the oil content core 16 is positioned between an upper end surface of the oil content barrel body 15 and a lower end surface of the oil content barrel cover 17, the upper end fixing surface of the oil content core 16, the upper end surface of the oil content barrel body 15 and the lower end surface of the oil content barrel cover 17 are sealed through O-shaped rings, and the upper end fixing surface of the oil content core 16, the upper end surface of the oil content barrel body 15 and the lower end surface of the oil content barrel cover 17 are fixedly connected through socket head cap screws;
The metal member of the oil core 16 is grounded, and the oil core 16 contacts with the oil barrel 15 and the oil barrel cover 17 through the end surfaces, so that the electrostatic discharge of the oil core can be sufficiently ensured.
Further, a connecting hole for returning oil and air is formed in the oil barrel cover 17, and an oil suction pipe 19 is fixed in the middle of the bottom of the oil barrel cover 17; the upper end of the oil suction pipe 19 is communicated with a connecting hole, and the lower end of the oil suction pipe is connected below the liquid level of the filtered lubricating oil in the oil core 16; the top of the oil barrel cover 17 is fixedly connected with a minimum pressure check valve 18.
Further, an oil return pipe 22 is connected between the side part of the oil content barrel body 15 and the oil storage shell assembly 3; the lower end of the oil return pipe 22 is positioned in the inner half compression area of the sliding vane compressor, and the upper end of the oil return pipe 22 is connected with a one-way valve 23 communicated with the oil core 16 through a clamping sleeve joint 20;
The lubricating oil filtered by the oil core 16 is recycled to the half compression area in the sliding vane air compressor through the oil suction pipe 19, the oil return hole in the oil barrel cover 17, the one-way valve 23, the clamping sleeve connector 20 and the oil return pipe 22 to participate in air compression lubrication again.
Further, the oil separation barrel also comprises an air return pipe 21, wherein two ends of the air return pipe 21 are fixedly connected with an air return hole in the oil separation barrel cover 17 and the stator and rotor assembly 2 through a clamping sleeve connector 20 respectively;
When the sliding vane type air compressor is stopped, high-pressure gas enters an air return hole in the oil barrel cover 17 from the oil barrel assembly 13, sequentially passes through the clamping sleeve connector 20 and the air return pipe 21, and then enters the stator and rotor assembly 2 to be emptied, and the next idle starting is waited.
Further, air enters from the air inlet valve assembly 1, is compressed by the stator and rotor assembly 2, compressed high-pressure gas enters into the cavity of the oil storage shell 24, enters into the oil content barrel body 15 through the labyrinth air passage, passes through the oil content core 16 from outside to inside, reaches a fixed value through the minimum pressure check valve 18, and is discharged from the oil content barrel cover 17.
Further, the temperature control valve assembly 12 for detecting the temperature of the lubricating oil in the sliding vane type air compressor is further included, when the temperature reaches the opening temperature of the temperature control valve core in the temperature control valve assembly 12, the temperature control valve assembly 12 is opened, and the lubricating oil starts to circulate outside and is cooled by the external cooler.
Further, the oil filter assembly 4 comprises an oil filter seat 28 fixed on the oil storage shell 24, an oil filter 25 fixedly connected to the oil filter seat 28, and a hollow stud 27 fixedly connected between the oil filter seat 28 and the oil filter 25;
The oil filter 25 and the oil filter seat 28 are sealed by a sealing ring 26;
The lubricating oil in the oil storage shell 24 enters the oil filter 25 through the oil filter seat 28, and the lubricating oil filtered by the oil filter 25 returns from the hollow stud 27 to the oil filter seat 28.
The working process of the invention is as follows:
The motor starts the back and drives the shaft coupling assembly and rotate, the rotation through the shaft coupling assembly drives the rotor and rotate, the rotor is in the inside eccentric position of stator, fixed through both ends big and small end cover, the gleitbretter is in rotor inslot and is concertina movement, form sealed space, carry out the compression of air through the rotary motion of rotor, wherein lubricating oil also participates in wherein, air after compressing gets into oil storage shell, after the labyrinth air flue that stator and oil storage shell formed, enter into the inside filtration clean air of vertical oil core of oil drum and pass through minimum pressure check valve discharge, the inside compressed gas of gleitbretter machine enters into the big end cover in the stator and rotor assembly through the muffler after shut down, top open the air valve compressed gas and discharge into the atmosphere, avoid the air compressor to take the load to start.
The flow direction process of the lubricating oil in the running process of the invention is as follows:
The lubricating oil is gathered at the bottom of the oil storage shell before the machine works, the air suction area is a low-pressure area under the action of pressure during starting, the lubricating oil enters the air suction area along with air through an inner pipeline of a large end cover, the lubricating oil is compressed along with the air and lubricates a stator, a rotor and a sliding vane, compressed air is discharged after the compression, a temperature control valve assembly is communicated with the bottom of the oil shell, the oil temperature is monitored, the trend of an oil path is determined, when the temperature is lower than the opening temperature of the temperature control valve, the lubricating oil enters the oil filter assembly for filtering, after the filtering is finished, the lubricating oil enters the air suction area through an inner pipeline of a small end cover to participate in air compression, when the temperature is higher than the opening temperature of the temperature control valve, the temperature control valve is opened, the lubricating oil enters an external cooler for cooling, and enters the oil filter again after the cooling is finished; meanwhile, the filtered lubricating oil in the oil core is recycled through the oil suction pipe, the oil barrel cover, the oil barrel body, the oil return pipe and the large end cover.
The oil separation filter element is reasonable in structural design and convenient to assemble and maintain, the oil separation filter element can be replaced by the machine head structure through the detachable oil separation barrel cover, and the oil separation filter element can be removed from the oil separation barrel body part in a special environment with high requirements when the filter element is assembled and replaced, and the oil separation assembly part is integrally translated and taken down to replace the oil separation filter element. The connecting and positioning seat part at the top of the oil storage shell of the machine head structure is sealed by adopting a symmetrical layout plane, the assembly direction can be adjusted when the oil storage shell is assembled, and the direction of an exhaust port, an oil return hole and an air return hole is changed. The pore diameter of the vent hole of the oil storage shell is enlarged, the problem that the temperature difference between the inside of the oil storage barrel and the inside of the oil storage shell is large is solved, and the risk of emulsification of the air compressor is reduced.
Claims (4)
1. A sliding vane air compressor, characterized in that: the oil storage device comprises a motor (11), a bell jar (9) fixedly connected to the left side of the motor (11), a coupler assembly (5) fixedly connected to a power shaft of the motor (11) and positioned in the bell jar (9), a volute (8) fixedly connected to the left side of the bell jar (9), a protective net (10) fixedly connected to the outer periphery of the bell jar (9), a connecting disc (6) fixedly connected to the volute (8) at the right side end and an oil storage shell assembly (3) fixedly connected to the left side end of the connecting disc (6);
The coupler assembly (5) is fixedly connected with a large impeller (7), and the large impeller (7) is positioned in the volute (8);
a stator and rotor assembly (2) is fixedly connected to the connecting disc (6), and the stator and rotor assembly (2) is fixedly connected with the left side end of the coupler assembly (5);
An air inlet valve assembly (1) is fixedly arranged at the left side end of the stator-rotor assembly (2);
the oil storage shell assembly (3) comprises an oil storage shell (24), an oil barrel assembly (13) fixedly connected to the oil storage shell (24), an oil filter assembly (4) and an oil receiving cover (14);
The top of the oil storage shell (24) is provided with a positioning port, and the oil barrel assembly (13) comprises an oil barrel body (15) fixedly connected to the positioning port and an oil barrel cover (17) fixedly connected to the upper end of the oil barrel body (15);
The lower end face of the oil content barrel body (15) is sealed with the positioning port of the oil storage shell (24) through an O-shaped ring, and the lower end face of the oil content barrel body (15) is fixedly connected with the positioning port of the oil storage shell (24) through an inner hexagonal screw;
An oil core (16) is arranged in the oil content barrel body (15), an upper end fixing surface of the oil content core (16) is positioned between an upper end surface of the oil content barrel body (15) and a lower end surface of the oil content barrel cover (17), the upper end fixing surface of the oil content core (16), the upper end surface of the oil content barrel body (15) and the lower end surface of the oil content barrel cover (17) are sealed through an O-shaped ring, and the upper end fixing surface of the oil content core (16), the upper end surface of the oil content barrel body (15) and the lower end surface of the oil content barrel cover (17) are fixedly connected through inner hexagon screws;
The metal part of the oil core (16) is grounded;
A connecting hole for returning oil and air is formed in the oil barrel cover (17), and an oil suction pipe (19) is fixed in the middle of the bottom of the oil barrel cover (17); the upper end of the oil suction pipe (19) is communicated with a connecting hole, and the lower end of the oil suction pipe is connected below the liquid level of the filtered lubricating oil in the oil core (16); the top of the oil barrel cover (17) is fixedly connected with a minimum pressure check valve (18);
An oil return pipe (22) is connected between the side part of the oil content barrel body (15) and the oil storage shell assembly (3); the lower end of the oil return pipe (22) is positioned in an inner half compression area of the sliding vane compressor, and the upper end of the oil return pipe (22) is connected with a one-way valve (23) communicated with the oil core (16) through a clamping sleeve joint (20);
The lubricating oil filtered by the oil core (16) is recycled to the inner half-compression area of the sliding vane air compressor through an oil suction pipe (19), an oil return hole in the oil barrel cover (17), a one-way valve (23), a clamping sleeve joint (20) and an oil return pipe (22) to participate in air compression lubrication again;
the oil filter assembly (4) comprises an oil filter seat (28) fixed on the oil storage shell (24), an oil filter (25) fixedly connected to the oil filter seat (28) and a hollow stud (27) fixedly connected between the oil filter seat (28) and the oil filter (25);
the oil filter (25) and the oil filter seat (28) are sealed by a sealing ring (26);
The lubricating oil in the oil storage shell (24) enters the oil filter (25) through the oil filter seat (28), and the lubricating oil filtered by the oil filter (25) returns from the hollow stud (27) to the oil filter seat (28).
2. A sliding vane air compressor according to claim 1, wherein: the oil separation device further comprises an air return pipe (21), wherein two ends of the air return pipe (21) are fixedly connected with an air return hole in the oil separation barrel cover (17) and the stator and rotor assembly (2) through a clamping sleeve joint (20) respectively;
When the sliding vane type air compressor is stopped, high-pressure gas enters the oil content barrel assembly through an air return hole in the oil content barrel cover (17), sequentially passes through the clamping sleeve joint (20) and the air return pipe (21), and then enters the stator and rotor assembly (2) to be discharged, and the next idle starting is waited.
3. A sliding vane air compressor according to claim 1, wherein: air enters from the air inlet valve assembly (1), is compressed by the stator and rotor assembly (2), compressed high-pressure gas enters into the cavity of the oil storage shell (24), enters into the oil barrel body (15) through the labyrinth air passage, passes through the oil core (16) from outside to inside, reaches a fixed value through the minimum pressure check valve (18), and is discharged from the oil barrel cover (17).
4. A sliding vane air compressor according to claim 1, wherein: the temperature control valve assembly (12) is used for detecting the temperature of the lubricating oil in the sliding vane type air compressor, and when the temperature reaches the opening temperature of the temperature control valve core in the temperature control valve assembly (12), the temperature control valve assembly (12) is opened, and the lubricating oil starts to be cooled by the external cooler in an external circulation mode.
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| CN202011449385.1A CN112483393B (en) | 2020-12-11 | 2020-12-11 | Sliding vane type air compressor |
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| CN202011449385.1A CN112483393B (en) | 2020-12-11 | 2020-12-11 | Sliding vane type air compressor |
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| CN205533214U (en) * | 2016-02-01 | 2016-08-31 | 曹明勇 | Sliding blade type air compressor |
| CN205650014U (en) * | 2016-05-06 | 2016-10-19 | 苏州强时压缩机有限公司 | Oil gas separation device |
| CN109236648A (en) * | 2018-11-08 | 2019-01-18 | 周琦人 | Sliding-vane air compressor oil tank oil oil return system |
| CN111255658B (en) * | 2020-03-20 | 2024-02-20 | 福建雪人压缩机有限公司 | Built-in vertical oil separator for compressor |
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