CN109209889A - A kind of screw-rod air compressor with long service life - Google Patents
A kind of screw-rod air compressor with long service life Download PDFInfo
- Publication number
- CN109209889A CN109209889A CN201811286240.7A CN201811286240A CN109209889A CN 109209889 A CN109209889 A CN 109209889A CN 201811286240 A CN201811286240 A CN 201811286240A CN 109209889 A CN109209889 A CN 109209889A
- Authority
- CN
- China
- Prior art keywords
- air compressor
- cabinet
- screw
- service life
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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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
- 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
- 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
- F04C29/06—Silencing
-
- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- 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
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M3/00—Portable or wheeled frames or beds, e.g. for emergency power-supply aggregates, compressor sets
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a kind of screw-rod air compressors with long service life, it is related to screw-rod air compressor technical field, this screw-rod air compressor with long service life includes cabinet, the lower surface of cabinet is opened up there are two air inlet, placement plate is provided in cabinet, the upper surface of placement plate offers the first placing groove, and air compressor machine main body is provided in the first placing groove.The screw-rod air compressor with long service life, pass through air compressor machine main body, motor, flabellum, slide bar, sliding sleeve, mutual cooperation between spring and shell, motor can be controlled by first switch drives flabellum rotation that air compressor machine main body is blowed, so as to accelerate the flowing of air compressor machine main body surrounding flow, accelerate radiating rate of the invention, when the present invention encounters vibration or air compressor machine body of work has vibration, spring can buffer vibration, it can prevent air compressor machine main body from colliding with cabinet and its inner body is caused to be damaged, so as to guarantee the service life of air compressor machine main body to a certain extent.
Description
Technical field
The present invention relates to screw-rod air compressor technical fields, are related to a kind of screw-rod air compressor with long service life.
Background technique
Screw twin-screw and air compressor machine are a kind of air compressors, there is two kinds of single screw rod.The invention of screw air compressor
More than ten years more late than single-screw air compressor, double-screw type air compressor machine is more rational, advanced in design.
Screw air compressor overcomes the shortcomings that uneven single-screw air compressor, bearing rapid wear, has the service life long, noise
It is low, it is more energy saving the advantages that.After the eighties technology maturation, application range is increasingly expanding.
Screw-rod air compressor can generate vibration in the process of work, while have during mobile and adjusting angle
Vibration, it is unstable to may result in body, while air compressor machine can generate heat at work, may result in the temperature of air compressor machine
Excessively high, the cooling effect of existing air compressor machine itself is bad, while not having to take counter-measure to possible vibration, these
Factor all may be decreased the service life of air compressor machine, it is therefore desirable to a kind of screw-rod air compressor with long service life.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of screw with long service life is proposed
Air compressor machine.
Object of the invention can be realized by the following technical scheme: a kind of screw-rod air compressor with long service life, packet
Include cabinet, the lower surface of the cabinet is opened up there are two air inlet, is provided with placement plate in cabinet, the upper surface of placement plate opens up
There is the first placing groove, air compressor machine main body is provided in the first placing groove, the left side of air compressor machine main body is overlapped with baffle, and baffle is solid
Fixed to be arranged in cabinet wall, the right side of air compressor machine main body is overlapped with clamping plate, and the right side of clamping plate passes through electric pushrod and cabinet
The right side of inner wall is fixedly connected, and the upper surface of cabinet offers venthole.
The lower surface of cabinet wall offers the second placing groove, is provided with radiator in the second placing groove, under cabinet
Surface connection is there are four buffer unit, and buffer unit is connected to the upper surface of connecting plate, and the upper surface of connecting plate is provided with buffering
Pad, there are four universal wheels for the lower surface setting of connecting plate, and the left side of cabinet opens up fluted, the front side of groove inner wall and rear side
It is connected with bearing, and two bearing inner sleeves are connected to the same shaft.
The lower surface of shaft is provided with handle, and the one end at the shaft back side offers locating slot, positioning is provided in locating slot
Block, the back side of locating piece are fixedly connected with fixture block, and fixture block is arranged in the card slot that box back surface opens up, and the front of cabinet is corresponding empty
The position of press main body is hinged with hermatic door.
Preferably, the radiator includes motor, and motor is arranged in the second placing groove, and the output shaft of motor is provided with
Flabellum.
Preferably, the buffer unit includes shell, and shell is connected to the upper surface of connecting plate, the left and right two of inner walls
Side offers sliding slot, and the same slide plate is provided in two sliding slots, and the upper surface of slide plate is fixed by slide bar and cabinet
Connection, the surface of slide bar are socketed with sliding sleeve, and sliding sleeve is connected to the upper surface of shell, and the lower surface of slide plate passes through in spring and shell
The lower surface of wall is fixedly connected.
Preferably, the shape of the locating slot is square, and the shape of locating piece is square, and the shape of card slot is pros
The shape of shape, fixture block is square.
Preferably, the front of the cabinet is provided with power supply, first switch and the second switch, and power supply, first switch and
Second switch arrays from left to right.
Preferably, the output end of the power supply is electrically connected with the input terminal of first switch and the second switch respectively by conducting wire
It connects, the output end of first switch is electrically connected by conducting wire with the input terminal of motor, and the output end of second switch passes through conducting wire and electricity
The input terminal electrical connection of dynamic push rod.
Preferably, it is provided with brake block on the universal wheel, and is provided with filter plate in air inlet and venthole.
Beneficial effect
The present invention provides a kind of screw-rod air compressor with long service life, have it is following the utility model has the advantages that
1, the screw-rod air compressor with long service life, passes through air compressor machine main body, motor, flabellum, slide bar, sliding sleeve, spring
Mutual cooperation between shell can control motor by first switch and drive when air compressor machine body of work generates heat
Air compressor machine main body is blowed in flabellum rotation, so as to accelerate the flowing of air compressor machine main body surrounding flow, accelerates the present invention
Radiating rate, when the present invention encounters vibration or air compressor machine body of work has vibration, spring can be buffered vibration, can
Its inner body is caused to be damaged to prevent air compressor machine main body from colliding with cabinet, so as to protect to a certain extent
Demonstrate,prove the service life of air compressor machine main body.
2, the screw-rod air compressor with long service life, by the way that cabinet is arranged, and cabinet is set as soundproof plate, can be to prevent
Only noise when air compressor machine body of work spreads out of cabinet, keeps anti-acoustic capability of the invention more preferable.
3, the screw-rod air compressor with long service life does not need to push by setting handle, shaft and bearing in people
When the present invention is mobile, handle can be taken in groove, keep the space occupied of the present invention smaller.
Detailed description of the invention
Fig. 1 is the schematic diagram of the section structure that the present invention faces.
Fig. 2 is the structural schematic diagram that the present invention faces.
Fig. 3 is the schematic diagram of the section structure of cabinet left view of the present invention.
Fig. 4 is the structural schematic diagram of part A of the present invention amplification.
Fig. 5 is the schematic diagram of the section structure that buffer unit of the present invention is faced.
In figure: 1 cabinet, 2 air inlets, 3 placement plates, 4 first placing grooves, 5 air compressor machine main bodys, 6 second placing grooves, 7 heat dissipations
Device, 71 motors, 72 flabellums, 8 baffles, 9 clamping plates, 10 electric pushrods, 11 ventholes, 12 filter plates, 13 hermatic doors, 14 buffering dresses
It sets, is 141 shells, 142 sliding slots, 143 slide plates, 144 slide bars, 145 sliding sleeves, 146 springs, 15 connecting plates, 16 cushions, 17 universal
Wheel, 18 brake blocks, 19 power supplys, 20 first switches, 21 second switches, 22 grooves, 23 bearings, 24 shafts, 25 handles, 26 positioning
Slot, 27 locating pieces, 28 fixture blocks, 29 card slots.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs. 1-5, the present invention provides a kind of technical solution: a kind of screw-rod air compressor with long service life, including
Cabinet 1, by the way that cabinet 1 is arranged, and cabinet 1 uses soundproof plate, noise outflow cabinet when can prevent air compressor machine main body 5 from working
1, keep anti-acoustic capability of the invention more preferable, the lower surface of cabinet 1 is opened up there are two air inlet 2, it is provided with placement plate 3 in cabinet 1,
And placement plate 3 is set as web plate, the wind-force that convenient for blade 72 drives is blown from bottom to up radiates to air compressor machine main body 5, case
The front of body 1 is provided with power supply 19, first switch 20 and second switch 21, and power supply 19, first switch 20 and second switch 21
It arrays from left to right, the output end of power supply 19 is electric with the input terminal of first switch 20 and second switch 21 respectively by conducting wire
The output end of connection, first switch 20 is electrically connected by conducting wire with the input terminal of motor 71, and the output end of second switch 21 passes through
Conducting wire is electrically connected with the input terminal of electric pushrod 10, can be preferably to motor 71 and electric pushrod 10 by the way that power supply 19 is arranged
It is powered, by setting first switch 20 and second switch 21, facilitates people to the work shape of motor 71 and electric pushrod 10
The operation of state controls, and the upper surface of placement plate 3 offers the first placing groove 4, is provided with air compressor machine main body 5 in the first placing groove 4,
The left side of air compressor machine main body 5 is overlapped with baffle 8, and by the way that clamping plate 9 is arranged, and the shape of clamping plate 9 is L shape, can be to air compressor machine
Main body 5 is fixed, and prevents it from teetertottering, and keeps the fixation of air compressor machine main body 5 more stable, and baffle 8 is fixed at
1 inner wall of cabinet, the right side of air compressor machine main body 5 are overlapped with clamping plate 9, and the right side of clamping plate 9 passes through in electric pushrod 10 and cabinet 1
The right side of wall is fixedly connected, and the upper surface of cabinet 1 offers venthole 11.
The lower surface of 1 inner wall of cabinet offers the second placing groove 6, and radiator 7 is provided in the second placing groove 6, heat dissipation
Device 7 includes motor 71, and motor 71 is arranged in the second placing groove 6, and the output shaft of motor 71 is provided with flabellum 72, passes through setting
Motor 71 can drive the rotation of flabellum 72 to radiate air compressor machine main body 5, prevent when its work that temperature is excessively high to lead to its use
The lost of life, there are four buffer unit 14, buffer unit 14 is connected to the upper surface of connecting plate 15 for the lower surface connection of cabinet 1,
Buffer unit 14 includes shell 141, and shell 141 is connected to the upper surface of connecting plate 15, and the left and right sides of 141 inner wall of shell are equal
Offer sliding slot 142, and be provided with the same slide plate 143 in two sliding slots 142, the upper surface of slide plate 143 by slide bar 144 with
Cabinet 1 is fixedly connected, and the surface of slide bar 144 is socketed with sliding sleeve 145, and sliding sleeve 145 is connected to the upper surface of shell 141, slide plate 143
Lower surface be fixedly connected by spring 146 with the lower surface of 141 inner wall of shell, by be arranged spring 146, encountered in the present invention
When vibration, can prevent air compressor machine main body 5 from colliding with cabinet 1 and its inner body is caused to be damaged, so as to
Guarantee the service life of air compressor machine main body 5 to a certain extent, the upper surface of connecting plate 15 is provided with cushion 16, connecting plate 15
Lower surface setting is provided with brake block 18 on universal wheel 17 there are four universal wheel 17, and is respectively provided in air inlet 2 and venthole 11
There is filter plate 12, by the way that filter plate 12 is arranged, the air that can be driven to flabellum 72 is filtered, and prevents dust from largely entering cabinet 1
It is interior, universal wheel 17 can be fixed by the way that brake block 18 is arranged, slide the present invention will not arbitrarily when placing, cabinet 1
Left side opens up fluted 22, and the front side of 22 inner wall of groove and rear side are connected with bearing 23, and are socketed in two bearings 23
The same shaft 24.
The lower surface of shaft 24 is provided with handle 25, by setting handle 25, shaft 24 and bearing 23, does not need in people
When pushing the present invention mobile, handle 25 can be taken in groove 22, keep the space occupied of the present invention smaller, 24 back side of shaft
One end offers locating slot 26, can be to shaft by the cooperation between locating piece 27, locating slot 26, fixture block 28 and card slot 29
24 are fixed, and prevent it from arbitrarily rotating, and when people need using handle 25, can prevent handle 25 from arbitrarily swinging downwards,
It when not needing using handle 25, can be accommodated into row groove 22, keep occupied space of the invention smaller, locating slot 26
Shape be square, the shape of locating piece 27 is square, and the shape of card slot 29 is square, and the shape of fixture block 28 is pros
Shape is square by the shape of setting fixture block 28, card slot 29, locating piece 27 and locating slot 26, rotates 90 degree in handle 25
Afterwards, it can also facilitate and locating piece 27 is put into locating slot 26, locating piece 27 is provided in locating slot 26, the back side of locating piece 27 is solid
Surely it is connected with fixture block 28, fixture block 28 is arranged in the card slot 29 that 1 back side of cabinet opens up, the corresponding air compressor machine main body 5 in the front of cabinet 1
Position be hinged with hermatic door 13.
Concrete operating principle: when the temperature around air compressor machine main body 5 is higher, first switch 20 can be operated and make motor
Heat dissipation is blowed to air compressor machine main body 5 in the 71 drive rotations of flabellum 72, and the temperature around air compressor machine main body 5 is reduced to properly
When, operation first switch 20 makes motor 71 stop working；When people need the mobile present invention, fixture block 28 is taken backward first
Under, handle 25 is then rotated up 90 degree, then locating piece 27 is put into locating slot 26, shifting of the present invention can be pushed at this time
Dynamic, when encountering vibration in the process of moving, spring 146 can be buffered vibration；When the present invention is moved to designated place
Afterwards, it can use brake block 18 that universal wheel 17 is fixed, while fixture block 28 being removed, handle 25 is then rotated down 90
Locating piece 27, is put into locating slot 26 by degree at this time.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not limited to this hair the foregoing is merely a specific embodiment of the invention
Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention
Protection scope within.
Claims (7)
1. a kind of screw-rod air compressor with long service life, including cabinet, it is characterised in that: the lower surface of the cabinet offers
Two air inlets, placement plate is provided in cabinet, and the upper surface of placement plate offers the first placing groove, setting in the first placing groove
There is air compressor machine main body, the left side of air compressor machine main body is overlapped with baffle, and baffle is fixed at cabinet wall, air compressor machine main body
Right side is overlapped with clamping plate, and the right side of clamping plate is fixedly connected by electric pushrod with the right side of cabinet wall, cabinet it is upper
Surface offers venthole；The lower surface of cabinet wall offers the second placing groove, is provided with radiator in the second placing groove,
The lower surface connection of cabinet is there are four buffer unit, and buffer unit is connected to the upper surface of connecting plate, and the upper surface of connecting plate is set
Be equipped with cushion, the lower surface setting of connecting plate there are four universal wheel, the left side of cabinet open up it is fluted, before groove inner wall
Side and rear side are connected with bearing, and two bearing inner sleeves are connected to the same shaft；The lower surface of shaft is provided with handle, shaft
The one end at the back side offers locating slot, and locating piece is provided in locating slot, and the back side of locating piece is fixedly connected with fixture block, and fixture block is set
It sets in the card slot that box back surface opens up, the position of the corresponding air compressor machine main body in the front of cabinet is hinged with hermatic door.
2. a kind of screw-rod air compressor with long service life according to claim 1, it is characterised in that: the radiator
Including motor, motor is arranged in the second placing groove, and the output shaft of motor is provided with flabellum.
3. a kind of screw-rod air compressor with long service life according to claim 1, it is characterised in that: the buffer unit
Including shell, shell is connected to the upper surface of connecting plate, and the left and right sides of inner walls offer sliding slot, and two sliding slots
It is inside provided with the same slide plate, the upper surface of slide plate is fixedly connected by slide bar with cabinet, and the surface of slide bar is socketed with sliding sleeve, sliding
Set is connected to the upper surface of shell, and the lower surface of slide plate is fixedly connected by spring with the lower surface of inner walls.
4. a kind of screw-rod air compressor with long service life according to claim 1, it is characterised in that: the locating slot
Shape is square, and the shape of locating piece is square, and the shape of card slot is square, and the shape of fixture block is square.
5. a kind of screw-rod air compressor with long service life according to claim 2, it is characterised in that: the cabinet is just
Face is provided with power supply, first switch and the second switch, and power supply, first switch and the second switch array from left to right.
6. a kind of screw-rod air compressor with long service life according to claim 5, it is characterised in that: the power supply it is defeated
Outlet be electrically connected respectively by conducting wire with the input terminal of first switch and the second switch, the output end of first switch by conducting wire and
The input terminal of motor is electrically connected, and the output end of second switch is electrically connected by conducting wire with the input terminal of electric pushrod.
7. a kind of screw-rod air compressor with long service life according to claim 1, it is characterised in that: on the universal wheel
It is provided with brake block, and is provided with filter plate in air inlet and venthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286240.7A CN109209889A (en) | 2018-10-31 | 2018-10-31 | A kind of screw-rod air compressor with long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811286240.7A CN109209889A (en) | 2018-10-31 | 2018-10-31 | A kind of screw-rod air compressor with long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109209889A true CN109209889A (en) | 2019-01-15 |
Family
ID=64997768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811286240.7A Pending CN109209889A (en) | 2018-10-31 | 2018-10-31 | A kind of screw-rod air compressor with long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109209889A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332417A (en) * | 2019-07-23 | 2019-10-15 | 合肥康尔信电力系统有限公司 | Diesel engine type uninterruptible power supply |
| CN110469478A (en) * | 2019-09-02 | 2019-11-19 | 南通华东油压科技有限公司 | A kind of cam-type axial piston pump and its production technology |
| CN110848139A (en) * | 2019-11-07 | 2020-02-28 | 深圳市比亚美塑胶模具有限公司 | Screw air compressor's cooling system |
| CN112032053A (en) * | 2020-09-03 | 2020-12-04 | 上海格兰克林（集团）有限公司 | Novel on-vehicle oilless screw air compressor machine |
| CN112628122A (en) * | 2021-01-27 | 2021-04-09 | 廖延娟 | Air compressor for engineering mine and cooling and noise reduction method thereof |
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| US5118262A (en) * | 1991-04-01 | 1992-06-02 | Kuo Shui Long | Multi-function combination air compressor |
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| CN107084114A (en) * | 2017-06-16 | 2017-08-22 | 杨秀波 | It is a kind of to be easy to mobile compressor |
| CN107843057A (en) * | 2017-11-07 | 2018-03-27 | 肖叶 | It is a kind of to be easy to fixed freezer compressor |
| CN107893743A (en) * | 2017-11-24 | 2018-04-10 | 中山市创艺生化工程有限公司 | A kind of low noise sound insulation air compressor machine |
| CN207879556U (en) * | 2017-12-30 | 2018-09-18 | 辽宁二道沟黄金矿业有限责任公司 | A kind of Portable air compressor |
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| US5118262A (en) * | 1991-04-01 | 1992-06-02 | Kuo Shui Long | Multi-function combination air compressor |
| CN206228546U (en) * | 2016-07-14 | 2017-06-09 | 三峡大学 | A kind of nursing handcart with prompting function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332417A (en) * | 2019-07-23 | 2019-10-15 | 合肥康尔信电力系统有限公司 | Diesel engine type uninterruptible power supply |
| CN110469478A (en) * | 2019-09-02 | 2019-11-19 | 南通华东油压科技有限公司 | A kind of cam-type axial piston pump and its production technology |
| CN110469478B (en) * | 2019-09-02 | 2024-02-20 | 南通华东油压科技有限公司 | Swash plate type axial plunger pump and production method thereof |
| CN110848139A (en) * | 2019-11-07 | 2020-02-28 | 深圳市比亚美塑胶模具有限公司 | Screw air compressor's cooling system |
| CN112032053A (en) * | 2020-09-03 | 2020-12-04 | 上海格兰克林（集团）有限公司 | Novel on-vehicle oilless screw air compressor machine |
| CN112628122A (en) * | 2021-01-27 | 2021-04-09 | 廖延娟 | Air compressor for engineering mine and cooling and noise reduction method thereof |
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Application publication date: 20190115 |