CN208651167U - A kind of lubricating system of screw compressor - Google Patents
A kind of lubricating system of screw compressor Download PDFInfo
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- CN208651167U CN208651167U CN201820390676.XU CN201820390676U CN208651167U CN 208651167 U CN208651167 U CN 208651167U CN 201820390676 U CN201820390676 U CN 201820390676U CN 208651167 U CN208651167 U CN 208651167U
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- capillary
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- grease
- screw compressor
- lubricating system
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Abstract
The utility model discloses a kind of lubricating system of screw compressor, fixed scroll top end surface is machined with inclined-plane, and fixed scroll top end surface is provided in the axial direction with lubricant passage way, and lubricant passage way is located at the inclined-plane lower；Support frame end face is provided in the axial direction with through-hole, and the lubricant passage way is connected to setting with the through-hole；The lubricating system includes the first grease-box, the first capillary, the second capillary, solenoid valve, third capillary；First grease-box is removable installed on housing interior side-wall, and first capillary one end is arranged in the through-hole and is connected to the lubricant passage way, is connected at the top of the other end and first grease-box；Second capillary one end is connected to the first grease-box side wall, and the other end connects described solenoid valve one end, and the solenoid valve other end is connect with third capillary one end.The lubricating oil in screw compressor can be recycled in grease-box, guarantees the greasy property of lubricant in compressor, easy to operate.
Description
Technical field
The utility model relates to screw compressor fields, and in particular to a kind of lubricating system of screw compressor.
Background technique
Screw compressor is a kind of novel positive displacement compressor, is known as the compressor without maintenance.Screw compressor
Structure novel, precision have many advantages, such as that small in size, low noise, light-weight, the service life is long, be widely used in industry, agricultural,
The fields such as communications and transportation.Screw compressor is mainly formed by the dynamic and static vortex of two digamma function equation scrollworks is mutually ratcheting.It is inhaling
During gas, compression, exhaust work, fixed scroll is fixed on the rack, and movable orbiting scroll is driven by crankshaft and restricted by anti-rotation mechanism,
Doing the Plane Rotation of very little radius around fixed scroll basic circle center, gas sucks the periphery of fixed scroll, with the rotation of eccentric shaft,
Gas closes in several composed crescent compression chambers in the engagement of sound disk gradually to be compressed, then by fixed scroll central module
Axial hole continuously send.
Since screw compressor is in high-speed cruising state, the lubrication of the components such as bearing, crankshaft, whirlpool disk at work
It is most important.During system operation, compressor is discharged with refrigerant in lubricating oil together, so that lubricant in compressor
Total amount gradually reduces, and the lubricants capacity that will lead to compressor internal moving parts after long-time is insufficient, situations such as abrasion, pole
The earth affects the service life of screw compressor.
Utility model content
Based on problem and deficiency described in background technique, the utility model is intended to provide a kind of convenient for collecting lubricating oil and more
The scroll compressor lubrication system changed.
Another purpose of the utility model, which also resides in, provides a kind of profit that screw compressor component lubrication effect can be improved
Sliding system.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of lubricating system of screw compressor, the screw compressor include shell, upper end cover, lower cover, movable orbiting scroll,
Fixed scroll, support frame, control box, shaft, the fixed scroll top end surface are machined with inclined-plane, and the fixed scroll top end surface is along axis
To lubricant passage way is offered, the lubricant passage way is located at the inclined-plane lower；Support frame as described above end face is provided in the axial direction with through-hole,
The lubricant passage way is connected to setting with the through-hole；The lubricating system includes the first grease-box, the first capillary, second mao
Tubule, solenoid valve, third capillary；First grease-box is removable installed on housing interior side-wall, and described first mao
Tubule one end is arranged in the through-hole and is connected to the lubricant passage way, connects at the top of the other end and first grease-box
It is logical；Second capillary one end is connected to the first grease-box side wall, and the other end connects described solenoid valve one end, described
The solenoid valve other end is connect with third capillary one end.
Preferably, it is equipped with control panel in the control box, is equipped with the first liquid level sensor in first grease-box,
First liquid level sensor is set to the first grease-box inner sidewall and is higher than second capillary one end；Described
One liquid level sensor, solenoid valve are electrically connected with the control panel respectively.
Preferably, the outer casing inner wall bottom is fixedly connected with rotary shaft rack, the shaft upper end by bearing with it is described
Support frame rotation connection, lower end are rotatablely connected by bearing and the rotary shaft rack；First capillary, the second capillary point
The housing interior side-wall is not set up in by bracket, the third capillary is set up on the rotary shaft rack by bracket, institute
The third capillary other end is stated to be set to above the rotary shaft rack.
Preferably, the rotary shaft rack includes first support body and second support body, first support body one end and institute
It states outer casing inner wall to be fixedly connected, the other end is fixedly connected with the second support body；The shaft other end passes through bearing and institute
The rotation connection of second support body is stated, the third capillary other end is set to above the second support body；Described first
Several oilholes are offered on frame body.
Preferably, the lubricating system further includes the second grease-box, the 4th capillary, the 5th capillary, booster pump；Institute
It states the second grease-box and is set to the lower cover center, described 4th capillary one end is inserted in second grease-box
In, the other end is connect with described booster pump one end, and the booster pump other end is connect with described 5th capillary one end；Described turn
Axis is hollow axle, and the 5th capillary is arranged in the shaft, and the 5th capillary other end extends described turn
Axis upper end；Described 5th capillary one end is set up in the housing interior side-wall by bracket, and the other end is set up in institute by bracket
State support frame side wall.
Preferably, second grease-box top offers oil filler point, is equipped with the second liquid in second grease-box
Level sensor, second liquid level sensor are set to the second grease-box inner sidewall and are higher than the 4th capillary one
End；Second liquid level sensor, booster pump are electrically connected with the control panel respectively.
Preferably, the lower cover inwall processing has inclined-plane, and the second grease-box side wall offers fuel feed hole, described
Fuel feed hole is located at the lower on the inclined-plane.
The beneficial effects of the utility model are: the lubricating oil in the recyclable screw compressor of the setting of grease-box, works as pressure
In contracting machine after the use of lubricating oil long-time, the greasy property of lubricating oil declines, and impurity is more, after at this time dismantling grease-box
Lubricating oil is conveniently replaceable to guarantee the greasy property of lubricant in compressor, and easy to operate in i.e. replaceable fuel tank.Profit
Liquid level sensor in oil tank can detect lubricants capacity in fuel tank, when lubricating oil liquid level is lower than sensor, liquid level sensor
Prompt low on fuel.The setting of liquid level sensor grasps lubricants capacity in screw compressor convenient for operator, without to compression
Machine, which is dismantled, may know that oil mass situation, convenient for the daily maintenance of screw compressor.Fixed scroll and lower cover ramp are set
In respect of the flowing for being conducive to lubricating oil, the lubricating oil in compressor can be effectively recycled, structure is simple, at low cost.Hair in compressor
The arrangement of tubule can provide lubricating oil to components such as bearing, cross, support frames, be effectively guaranteed the lubrication of moving component
Property.
Detailed description of the invention
Fig. 1 is the utility model scroll compressor structure axial section；
Fig. 2 is the utility model scroll compressor structure partial schematic diagram；
Fig. 3 is the utility model fixed scroll lubricant passage way partial schematic diagram；
Fig. 4 is the utility model grease-box partial schematic diagram；
Fig. 5 is the utility model scroll compressor structure partial schematic diagram.
Description of symbols: shell 1, upper end cover 2, lower cover 3, fixed scroll 4, movable orbiting scroll 5, support frame 6, control box 7, control
Making sheet 8, oil eliminator 10, air inlet 11, exhaust outlet 12, low pressure chamber 13, the second grease-box 14, high pressure chest 15, goes out shaft 9
Stomata 16, the 4th capillary 17, the second liquid level sensor 18, the first inclined-plane 19, fuel feed hole 20, booster pump 21, oil filler point 22,
Two support bodies 23, oilhole 24, first support body 25, third capillary 26, solenoid valve 27, the second capillary 28, the second inclined-plane 29,
Groove 30, strainer 31, lubricant passage way 32, circular hole 33, through-hole 34, the first liquid level sensor 35, grease-box 36, the first capillary
37, the 5th capillary 38, cross 39, gasket 40.
Specific embodiment
The utility model is further described below in conjunction with the drawings and specific embodiments, but present embodiment is simultaneously
It is not limited to content below, arbitrarily can change and implement in the range of the purport of lossless the utility model.
As shown, the utility model screw compressor includes shell 1, upper end cover 2, lower cover 3, fixed scroll 4, movable orbiting scroll
5, support frame 6, control box 7, shaft 9, cross 39, the control box 7 connect with 1 side wall of shell, control and be equipped in box 7
Control panel 8,1 upper end of shell are bolted to connection with the upper end cover 2,1 lower end of shell and the lower cover 3
It is bolted to connection.Fixed scroll 4, movable orbiting scroll 5, support frame 6, cross 39, shaft 9, hollow is equipped in the shell 1
Motor.
The 1 inner wall bottom of shell is fixedly connected with rotary shaft rack, and 9 upper end of shaft passes through rolling bearing and the branch
Support 6 is rotatablely connected, and lower end is rotatablely connected by rolling bearing and the rotary shaft rack.The rotor fixation of the hollow motor is set
It sets in shaft 9, stator is fixed at the inner sidewall of the shell 1.6 upper surface of support frame as described above is equipped with fixed scroll 4, described
It is equipped with movable orbiting scroll 5 in fixed scroll 4, the wrap tip face of the movable orbiting scroll 5 opens up fluted, and the groove internal clearance is equipped with sealing
Circle, sealing ring abut fixed scroll bottom surface, and the wrap tip face of the fixed scroll 4 opens up fluted, the groove internal clearance
Equipped with sealing ring, sealing ring abuts movable orbiting scroll bottom surface.
Also integrally formed with crankshaft, the crankshaft end is arranged with axle sleeve for 9 upper end of shaft, and the axle sleeve passes through spring
Snap ring is fixed on crankshaft end.5 bottom of movable orbiting scroll is socketed by needle bearing and axle sleeve rotation, the cross 39
It is set between support frame 6 and movable orbiting scroll 5.The side wall of the shell 1 offers air inlet 11, and the side wall of the upper end cover 2 is opened
Equipped with exhaust outlet 12, the upper end cover 2 forms high pressure chest 15 with the sealing of fixed scroll 4, and the shell 1 is enclosed with support frame 6
Low pressure chamber 13, side wall is equipped with oil eliminator 10 at the exhaust outlet 12 of the upper end cover 2.
4 top end surface of fixed scroll is machined with the second inclined-plane 29, and 4 top end surface of fixed scroll is provided in the axial direction with profit
Lubricating oil road 32, the lubricant passage way 32 are located at 29 lower of inclined-plane, and 6 end face of support frame as described above is provided in the axial direction with through-hole 34,
The gasket 40 is arranged between fixed scroll 4 and support frame 6, and circular hole 33, the lubricant passage way 32 are offered on the gasket 40
It is connected to by the circular hole 33 with the through-hole 34.The fixed scroll 4, movable orbiting scroll 5 are set to 40 side of gasket, the support
Frame 6 is set to 40 other side of gasket.The gasket 40 separates movable orbiting scroll 5 and support frame 6, when screw compressor works, moves
Whirlpool disk 5 is in 40 apparent motion of gasket, to efficiently avoid the contact wear of movable orbiting scroll and support frame, screw compressor is used
Replacement gasket and sealing ring are only needed after a period of time, greatly reduce the maintenance cost of screw compressor.
The lubricating system includes the first grease-box 36, the first capillary 37, the second capillary 28, solenoid valve 27, the
Three capillary 26；First grease-box 36 is removable installed on 1 inner sidewall of shell, described first capillary, 37 one end
It is arranged in the through-hole 32 and is connected to the lubricant passage way 32, is connected at the top of the other end and first grease-box 36.
The mixed gas of system refrigerant and lubricating oil is sucked in screw compressor low pressure chamber 13 by air inlet 11, through dynamic
After whirlpool disk 5 and fixed scroll 4 are compressed, the gas of high temperature and pressure enters in high pressure chest 15, and the mist of oil in high pressure chest mixed gas is through oil
The effect of separator 10 becomes oil droplet and falls to 4 surface of fixed scroll.4 top end surface of fixed scroll is machined with the second inclined-plane 29,
Inclined-plane 29 will lubricate lubricant passage way 32 of the oil droplet convergence flow to 29 lower of inclined-plane, and lubricating oil is through 32, first maos of the lubricant passage way
Tubule 37 flows into the first grease-box 36, to effectively reduce the loss of lubricating oil in screw compressor.
Described second capillary, 28 one end is connected to 36 side wall of the first grease-box, and the other end connects the solenoid valve
27 one end, 27 other end of solenoid valve are connect with described 26 one end of third capillary.It is equipped in first grease-box 36
First liquid level sensor 35, first liquid level sensor 35 are set to 36 inner sidewall of the first grease-box and are higher than described
Second capillary, 28 one end；First liquid level sensor 35, solenoid valve 27 are electrically connected with the control panel 8 respectively.Described
One liquid level sensor 35 is for detecting lubricants capacity in the first grease-box 36, when lubricating oil liquid level is lower than the first liquid in fuel tank
When level sensor 35, sensor transmits a signal to control panel 8, and warning note first lubricates after the control panel 8 receives signal
Lubricants capacity is insufficient in fuel tank 36.First liquid level sensor 35 is higher than described second capillary, 28 one end, guarantees the first profit
Lubricating oil liquid level is higher than the second capillary 28 in oil tank 36, so as to avoid the oil-free idle running of solenoid valve 27.
The 1 inner wall bottom of shell is fixedly connected with rotary shaft rack, and the shaft lower end passes through bearing and the shaft branch
Frame rotation connection.First capillary 37, the second capillary 28 are set up in 1 inner sidewall of shell, institute by bracket respectively
It states third capillary 26 to be set up on the rotary shaft rack by bracket, 26 other end of third capillary is set to described turn
Above bracing strut.The control panel 8 controls solenoid valve 27 and is opened and closed, and when screw compressor operation, control panel 8 controls solenoid valve 27
It opens, lubricating oil is flowed out through the second capillary 28, solenoid valve 27, third capillary 26 in the first grease-box 36, thus to turning
The bearing of 9 lower end of axis is lubricated.
The rotary shaft rack includes first support body 25 and second support body 23, described 25 one end of first support body and institute
It states 1 inner wall of shell to be fixedly connected, the other end is fixedly connected with the second support body 23；9 other end of shaft passes through bearing
It is rotatablely connected with the second support body 23,26 other end of third capillary is set to 23 top of second support body；
Several oilholes 24 are offered on the first support body 25.
The lubricating system further includes the second grease-box 14, the 4th capillary 17, the 5th capillary 38, booster pump 21；
Second grease-box 14 is set to 3 center of lower cover, and described 4th capillary, 17 one end is inserted in second profit
In oil tank 14, the other end is connect with described 21 one end of booster pump, 21 other end of booster pump and the 5th capillary 38
One end connection；The shaft 9 is hollow axle, and the 5th capillary 38 is arranged in the shaft 9, the 5th capillary
38 other ends extend 9 upper end of shaft；Described 5th capillary, 38 one end is set up in 1 inside of shell by bracket
Wall, the other end are set up in 6 side wall of support frame as described above by bracket.
It is equipped with the second liquid level sensor 18 in second grease-box 14, second liquid level sensor 18 is set to institute
It states 14 inner sidewall of the second grease-box and is higher than described 4th capillary, 17 one end；Second liquid level sensor 18, booster pump
21 are electrically connected with the control panel 8 respectively.Second liquid level sensor 18 is for detecting lubricating oil in the second grease-box 14
Amount, when lubricating oil liquid level is lower than the second liquid level sensor 18 in fuel tank, sensor transmits a signal to control panel 8, the control
Lubricants capacity is insufficient in the second grease-box of warning note 14 after the reception signal of making sheet 8.Second liquid level sensor 18 is higher than
Described 4th capillary, 17 one end guarantees that lubricating oil liquid level is higher than the 4th capillary 17 in the second grease-box 14, to avoid
Booster pump 21 oil-free idle running.
3 inwall processing of lower cover has the first inclined-plane 19, and 14 side wall of the second grease-box offers fuel feed hole 20,
The fuel feed hole 20 is located at the lower on first inclined-plane 19.When the screw compressor works, control panel 8 controls booster pump 21
It opens, lubricating oil is flowed out through the 4th capillary 17, booster pump 21 and the 5th capillary 38 in the second grease-box 14, thus to turning
The components such as 9 upper end bearing of axis, cross are lubricated.After lubricating oil is by the 5th capillary 38 outflow of 9 upper end of shaft, transport downwards
It is dynamic to drop to 25 surface of first support body, and flow in lower cover 3 by several oilholes 24 that 25 surface of first support body opens up
Wall inclined-plane 19.Inclined-plane 19 will lubricate fuel feed hole 20 of the oil droplet convergence flow to 19 lower of inclined-plane, be back to second by fuel feed hole 20
In grease-box 14, to realize the recycling of lubricating oil.
Second grease-box, 14 top offers oil filler point 22, when needing replacing lubricating oil in the second grease-box 14
When, lower cover 3 and shell 1 are split, lubricating oil can be replaced by opening plug cock on oil filler point 22, simple and convenient.
In another embodiment, described 32 one end of lubricant passage way is equipped with strainer 31, and the fixed scroll outer surface is machined with
Groove 30, the strainer 31 are set in groove 30.The setting of strainer 31 can be by the contaminant filter in oil droplet, to prevent impurity from blocking
Lubricant passage way 32.
The utility model is described in detail above, its object is to allow the personage for being familiar with this field technology can be much of that
It solves the content of the utility model and is implemented, do not limit the protection scope of the present invention, it is all practical according to this
Equivalent change or modification made by novel Spirit Essence should all cover within the protection scope of the present utility model.
Claims (7)
1. a kind of lubricating system of screw compressor, the screw compressor include shell (1), upper end cover (2), lower cover (3),
Fixed scroll (4), movable orbiting scroll (5), support frame (6), control box (7), shaft (9), it is characterised in that: at the top of the fixed scroll (4)
End face is machined with the second inclined-plane (29), and fixed scroll (4) top end surface is provided in the axial direction with lubricant passage way (32), the lubrication
Oil circuit (32) is located at the inclined-plane (29) lower；Support frame as described above (6) end face is provided in the axial direction with through-hole (34), the lubricating oil
Road (32) is connected to setting with the through-hole (34)；The lubricating system include the first grease-box (36), the first capillary (37),
Second capillary (28), solenoid valve (27), third capillary (26)；First grease-box (36) is removable installed in outer
On shell (1) inner sidewall, described first capillary (37) one end be arranged in the through-hole (34) and with the lubricant passage way (32)
It is connected at the top of connection, the other end and first grease-box (36)；Described second capillary (28) one end and first profit
The connection of oil tank (36) side wall, the other end connect described solenoid valve (27) one end, solenoid valve (27) other end and described the
The connection of three capillary (26) one end.
2. the lubricating system of screw compressor according to claim 1, it is characterised in that: be equipped in the control box (7)
Control panel (8), first grease-box (36) is interior to be equipped with the first liquid level sensor (35), first liquid level sensor (35)
It is set to the first grease-box (36) inner sidewall and is higher than described second capillary (28) one end；First level sensing
Device (35), solenoid valve (27) are electrically connected with the control panel (8) respectively.
3. the lubricating system of screw compressor according to claim 1, it is characterised in that: shell (1) the inner wall bottom is solid
Surely it is connected with rotary shaft rack, shaft (9) upper end is rotatablely connected by bearing and support frame as described above (6), and lower end passes through bearing
It is rotatablely connected with the rotary shaft rack；First capillary (37), the second capillary (28) are set up in institute by bracket respectively
Shell (1) inner sidewall is stated, the third capillary (26) is set up on the rotary shaft rack by bracket, the third capillary
(26) other end is set to above the rotary shaft rack.
4. the lubricating system of screw compressor according to claim 3, it is characterised in that: the rotary shaft rack includes first
Frame body (25) and second support body (23), described first support body (25) one end is fixedly connected with the shell (1) inner wall, another
End is fixedly connected with the second support body (23)；Shaft (9) other end passes through bearing and the second support body (23)
Rotation connection, third capillary (26) other end are set to above the second support body (23)；The first support body
(25) several oilholes (24) are offered on.
5. the lubricating system of screw compressor according to claim 4, it is characterised in that: the lubricating system further includes second
Grease-box (14), the 4th capillary (17), the 5th capillary (38), booster pump (21)；Second grease-box (14) sets
It is placed in the lower cover (3) center, described 4th capillary (17) one end is inserted in second grease-box (14), another
End is connect with the booster pump (21) one end, and booster pump (21) other end is connect with described 5th capillary (38) one end；
The shaft (9) is hollow axle, and the 5th capillary (38) is arranged in the shaft (9), the 5th capillary
(38) other end extends the shaft (9) upper end；5th capillary (38) one end is set up in the shell by bracket
(1) inner sidewall, the other end are set up in support frame as described above (6) side wall by bracket.
6. the lubricating system of screw compressor according to claim 5, it is characterised in that: the second grease-box (14) top
End offers oil filler point (22), is equipped with the second liquid level sensor (18) in second grease-box (14), second liquid level
Sensor (18) is set to the second grease-box (14) inner sidewall and is higher than described 4th capillary (17) one end；Described
Two liquid level sensors (18), booster pump (21) are electrically connected with control panel (8) respectively.
7. the lubricating system of screw compressor according to claim 5, it is characterised in that: lower cover (3) inwall processing
Have the first inclined-plane (19), the second grease-box (14) side wall offers fuel feed hole (20), and the fuel feed hole (20) is located at institute
State the lower of the first inclined-plane (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390676.XU CN208651167U (en) | 2018-03-22 | 2018-03-22 | A kind of lubricating system of screw compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820390676.XU CN208651167U (en) | 2018-03-22 | 2018-03-22 | A kind of lubricating system of screw compressor |
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| Publication Number | Publication Date |
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| CN208651167U true CN208651167U (en) | 2019-03-26 |
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| CN201820390676.XU Active CN208651167U (en) | 2018-03-22 | 2018-03-22 | A kind of lubricating system of screw compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223382A (en) * | 2018-03-22 | 2018-06-29 | 宁波汇峰聚威科技股份有限公司 | A kind of lubricating system of screw compressor |
-
2018
- 2018-03-22 CN CN201820390676.XU patent/CN208651167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108223382A (en) * | 2018-03-22 | 2018-06-29 | 宁波汇峰聚威科技股份有限公司 | A kind of lubricating system of screw compressor |
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