CN207702106U - A kind of oil return depassing unit and lubricating oil system - Google Patents
A kind of oil return depassing unit and lubricating oil system Download PDFInfo
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- CN207702106U CN207702106U CN201721748385.5U CN201721748385U CN207702106U CN 207702106 U CN207702106 U CN 207702106U CN 201721748385 U CN201721748385 U CN 201721748385U CN 207702106 U CN207702106 U CN 207702106U
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- oil return
- oil
- sleeve
- depassing unit
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Abstract
The utility model discloses a kind of oil return depassing unit and lubricating oil system, oil return depassing unit is set in the fuel tank of lubricating oil system, is related to field of power equipment technology.Oil return depassing unit includes：Connector, the oil return hole for oil return depassing unit to be installed to inner wall of oil tank；Oil return pipe component, input end connect connector；Sleeve, is set to the outlet end of oil return pipe component, and forms continuous pipeline with oil return pipe component, and the barrel surrounding of sleeve offers multiple oil-through holes；Filter assemblies, are removable installed in the outer circumferential and bottom of sleeve, and filter assemblies are equipped with the strainer that aperture is less than 0.3mm.The utility model not only avoids the oil return turnup caused by traditional gravity circuit and resulting bubble, and strainer can efficiently separate the bubble of diameter 0.3mm or more in oil return, the air content being effectively reduced in lubricating oil, ensure the lubricant effect of lubricating oil, reduces the Cavitation Noise caused by lubricating oil gassiness.
Description
Technical field
The utility model is related to field of power equipment technology, it is specifically related to a kind of oil return depassing unit and lubricating oil system
System.
Background technology
Steam turbine and gear reducer lube system are communicated with air, and gas can be brought into the fuel tank of lubricating oil system by oil return
In, it by continuous winding, stirs so that a large amount of diameters not equal bubble is formed in lubricating oil.The diameter master of these bubbles
It is distributed between 0.3~0.5mm, since bubble diameter is small, bubble is difficult the surface that fuel tank is floated to by the buoyancy of itself
Assemble and remove, the circulating ratio of fuel tank is limited in addition, and disperse is each to fuel tank soon for the bubble for causing these small
Corner is more difficult to remove.Under normal conditions, after long-play, in the lubricating oil system of steam turbine and retarder
Lubricating oil air content is about 8~10%, these bubbles seriously affect the normal operation of lubricating oil system, cause it is following it is bad after
Fruit：(1) conveying capacity of lubricating oil is reduced so that cooling, lubricant effect is had a greatly reduced quality.It is thereby possible to cause bearing film
The problems such as unstability, bearing bush temperature are excessively high or the retarder flank of tooth is impaired；(2) bubble enters higher-pressure region with lubricating oil through grease pump
When, bubble is instantaneously racked and generates Cavitation Noise, and this random noise spectrum is in broadband character, and energy can excite
The intrinsic vibration of movable member in pump, valve or pipeline causes system vibration noise abnormal.Currently, steam turbine and retarder profit
Oil system defoams measure without effective degasification.
Utility model content
In view of the deficiencies in the prior art, the purpose of this utility model is to provide a kind of oil return depassing unit and profits
Oil system not only avoids the oil return turnup caused by traditional gravity circuit and resulting bubble, and mistake
The strainer of filter component can efficiently separate the bubble of diameter 0.3mm or more in oil return, the air content being effectively reduced in lubricating oil,
Ensure the lubricant effect of lubricating oil, reduces the Cavitation Noise caused by lubricating oil gassiness.
The utility model provides a kind of oil return depassing unit, is set in the fuel tank of lubricating oil system, the oil return degasification
Device includes：
Connector, the oil return hole for the oil return depassing unit to be installed to inner wall of oil tank；
Oil return pipe component, input end connect the connector；
Sleeve, is set to the outlet end of the oil return pipe component, and forms continuous pipeline with the oil return pipe component, described
The barrel surrounding of sleeve offers multiple oil-through holes；
Filter assemblies, are removable installed in the outer circumferential and bottom of the sleeve, and the filter assemblies are equipped with hole
Diameter is less than the strainer of 0.3mm.
Based on the above technical solution, the aperture of the strainer is 0.1mm.
Based on the above technical solution, the both ends of the sleeve are respectively equipped with fixed plate and bottom plate, the fixed plate
It is connected by screw rod with bottom plate；The fixed plate is fixedly connected with the outlet end of the oil return pipe component, is set in the fixed plate
There are first through hole, the oil return pipe component and sleeve to be interconnected by the first through hole.
Based on the above technical solution, the oil return pipe component includes taking over and snorkel, the both ends taken over
It is separately connected the connector and snorkel, the end of the snorkel is the outlet end.
Based on the above technical solution, the inner wall taken over is equipped at least one partition board, and the partition board is by institute
It states take over inner cavity of pipe and is divided into mutually independent fluid space.
Based on the above technical solution, the top of the snorkel is equipped with multiple ventilations for leading to top of oil-tank space
Hole.
Based on the above technical solution, the sleeve inner is equipped with conduit, one end of the conduit and the fixation
Plate is fixedly connected, and the other end is free end, and there are gap, the tube walls of the conduit between the conduit and the inner wall of the sleeve
Through multiple oil outlets are arranged, the sleeve is connected to by the conduit with the oil return pipe component.
Based on the above technical solution, the filter assemblies include set on at least one of the sleeve outer circumferential
Net-filter assembly, the net-filter assembly are connected between the fixed plate and bottom plate, and the net-filter assembly includes：
Two mounting plates, two mounting plates are equipped with for the centre bore through the sleeve；
Inner hole plate, the setting outside the centre bore；
Outer orifice plate is sheathed on outside the inner hole plate；
Wherein, the inner hole plate and outer orifice plate are connected between two mounting plates, the outer orifice plate and inner hole plate it
Between be equipped with fold strainer.
Based on the above technical solution, the net-filter assembly is two, two net-filter assembly mounted on top.
The utility model also provides a kind of lubricating oil system, and the lubricating oil system includes fuel tank, the oil return of inner wall of oil tank
The above-mentioned oil return depassing unit connection in hole.
Compared with prior art, as follows the advantages of the utility model：
(1) oil return of lubricating oil system is led gently into fuel tank by oil return pipe component and sleeve, avoids traditional gravity
Oil return turnup caused by circuit and resulting bubble.In addition, the strainer of filter assemblies can efficiently separate back
The bubble of diameter 0.3mm or more in oil, the air content being effectively reduced in lubricating oil ensure the lubricant effect of lubricating oil, reduce
The Cavitation Noise caused by lubricating oil gassiness.
(2) oil return is introduced fuel tank liquid level hereinafter, further avoiding caused by traditional gravity circuit by conduit
Oil return turnup and resulting bubble reduce oil return entrainment air and the bubbles volume that generates.
(3) it is preferably 0.1mm to fold the aperture of strainer, not only can ensure that the bubble of diameter 0.3mm or more can be with
Be captured removing, and uses multilayer folding technique, ensures the circulation area for folding strainer, it is ensured that flow through the resistance for folding strainer
About 100mm water columns, flowing velocity of the lubricating oil through folding strainer is about 10mm/s, does not influence the oil return of lubricating oil system, really
It is unobstructed to protect oil return.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model embodiment oil return depassing unit；
Fig. 2 is the attachment structure schematic diagram of connector in Fig. 1, oil return pipe component, conduit and fixed plate；
Fig. 3 is the A direction views in Fig. 1；
Fig. 4 is the structural schematic diagram of net-filter assembly.
In figure：
1- connectors, 2- oil return pipe components, 21- take over, 211- partition boards, 22- snorkels, 221- ventholes, the outlets 222-,
3- sleeves, 31- oil-through holes, 4- filter assemblies, 41- net-filter assemblies, 411- mounting plates, 412- centre bores, 413- inner hole plates, 414-
Fold strainer, the outer orifice plates of 415-, 5- fixed plates, 6- conduits, 61- oil outlets, 7- bottom plates, 8- screw rods.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail the utility model.
Shown in Figure 1, the utility model embodiment provides a kind of oil return depassing unit, is set to the oil of lubricating oil system
In case, oil return depassing unit includes connector 1, oil return pipe component 2, sleeve 3 and filter assemblies 4.Connector 1 is for removing oil return
Device of air is installed to the oil return hole of inner wall of oil tank, and connector 1 can be ring flange, which matches with oil return hole.Oil return
The input end of tube assembly 2 connects connector 1, and sleeve 3 is set to the outlet end of oil return pipe component 2, and is formed and connected with oil return pipe component 2
Continuous pipeline, the barrel surrounding of sleeve 3 offer multiple oil-through holes 31, and oil-through hole 31 is along the length direction of sleeve 3 and circumferentially-spaced
Ground is arranged, and oil-through hole 31 is kidney slot, is conducive to lubricating oil return and equably flows to filter assemblies 4.Filter assemblies 4 are removably
It is set to the outer circumferential and bottom of sleeve 3, filter assemblies 4 are equipped with the strainer that aperture is less than 0.3mm.Preferably, the hole of strainer
Diameter is 0.1mm.
The both ends of sleeve 3 are respectively equipped with fixed plate 5 and bottom plate 7, and fixed plate 5 and bottom plate 7 are connected by screw rod 8；Fixed plate 5
It is fixedly connected with the outlet end of oil return pipe component 2, fixed plate 5 is equipped with first through hole, oil return pipe component 2 and sleeve 3 by the
One through-hole interconnects.
Sleeve 3 is internally provided with conduit 6, and one end of conduit 6 is fixedly connected with fixed plate 5, and the other end is free end, conduit 6
There are gap between the inner wall of sleeve 3, for the tube wall of conduit 6 through multiple oil outlets 61 are arranged, sleeve 3 is by conduit 6 and returns
Oil pipe component 2 is connected to.Oil return is introduced into fuel tank liquid level and is made hereinafter, further avoiding traditional gravity circuit by conduit 6
At oil return turnup and resulting bubble, reduce oil return entrainment air and the bubbles volume that generates.
Shown in Fig. 2 and Fig. 3, oil return pipe component 2 includes take over 21 and snorkel 22, and the both ends of take over 21 are separately connected
The end of connector 1 and snorkel 22, snorkel 22 is outlet end.
It being set on the inner wall of take over 21 there are two partition board 211, two partition boards 211 are arranged in parallel and spaced apart, and every
The both ends of plate 211 and the inner wall of take over 21 are welded and fixed, and two partition boards 211 will take over 21 inner cavity of pipe and be divided into three mutually solely
Vertical fluid space.Two layers of partition board 211 in take over 21 flows into snorkel with allowing oil return even to adjust oil return flowing
In 22.Unsmooth to prevent non-return oil after snorkel 22 is set to take over 21, top of oil-tank sky is led in the top of snorkel 22 equipped with multiple
Between venthole 221, be conducive to allow bubble coalescence in oil return and loss to top of oil-tank space.
When oil return hole is located at fuel tank sidewall, take over 21 is straight tube, and take over 21 is connected to by connector 1 with oil return hole, is led to
The import of tracheae 22 is connected with take over 21, and the outlet 222 of snorkel 22 is vertical with import, and towards tank bottoms direction.Ventilation
The top of pipe 22 is equipped with opening, and opening is closed with cover plate lid, and multiple ventholes for leading to top of oil-tank space are opened up on cover board
221。
Shown in referring to Fig. 1 and Fig. 2, take over 21 and snorkel 22, outlet 222 and fixed plate 5 and the conduit of snorkel 22
6 are connect by welding manner with fixed plate 5.Fixed plate 5 and the joint face of sleeve 3 are equipped with limiting groove, the top of sleeve 3
It is arranged in limiting groove, the bottom of sleeve 3 is fixedly connected with bottom plate 7.It is logical that bottom plate 7 is equipped with second be connected to inside sleeve 3
Hole, filter assemblies 4 include the filter plate 42 set on 3 bottom of sleeve, and filter plate 42 is removably installed in the second through hole.
Shown in Figure 4, filter assemblies 4 include two net-filter assemblies 41 set on 3 outer circumferential of sleeve, two strainer groups
41 mounted on top of part.Net-filter assembly 41 is connected between fixed plate 5 and bottom plate 7, between net-filter assembly 41 and net-filter assembly 41
It is equipped with cushion pad between fixed plate 5 and bottom plate 7.
Each net-filter assembly 41 includes two mounting plates 411, inner hole plate 413 and outer orifice plate 415, wherein two installations
Plate 411 is equipped with for the centre bore 412 through sleeve 3, and inner hole plate 413 is around 412 outside setting of centre bore, outer orifice plate 415
It is sheathed on outside inner hole plate 413, inner hole plate 413 and outer orifice plate 415 are connected between two mounting plates 411, outer orifice plate 415 and interior
It is equipped between orifice plate 413 and folds strainer 414.
The aperture for folding strainer 414 is preferably 0.1mm, not only can ensure that the bubble of diameter 0.3mm or more can be with
Be captured removing, and uses multilayer folding technique, ensures the circulation area for folding strainer 414, it is ensured that flow through and fold strainer 414
Resistance be about 100mm water columns, flowing velocity of the lubricating oil through folding strainer 414 is about 10mm/s, does not influence lubricating oil system
Oil return, it is ensured that oil return is unobstructed.
The oil return of lubricating oil system is led gently into fuel tank by oil return pipe component 2 and sleeve 3, and traditional gravity is avoided to return
Oil return turnup caused by oily mode and resulting bubble.In addition, the strainer of filter assemblies 4 can efficiently separate oil return
The bubble of middle diameter 0.3mm or more, the air content being effectively reduced in lubricating oil ensure the lubricant effect of lubricating oil, reduce because
Cavitation Noise caused by lubricating oil gassiness.Through above-mentioned design, the outgassing rate of the oil return depassing unit can reach 90% or more, filtering
Component is detachable, facilitates installation and maintenance.
In other examples, net-filter assembly 41 can be one, and two mounting plates 411 divide with fixed plate 5 and bottom plate 7
It does not abut.
The utility model embodiment also provides a kind of lubricating oil system, and lubricating oil system includes fuel tank, and inner wall of oil tank returns
Oilhole is connected to above-mentioned oil return depassing unit.When oil return hole is located at fuel tank sidewall, above-mentioned oil return depassing unit passes through connector 1
Mounted on oil return hole, 3 bottom of sleeve is set on the pedestal of tank bottoms, it is ensured that the air content being effectively reduced in lubricating oil is protected
The lubricant effect of lubricating oil is demonstrate,proved, the Cavitation Noise caused by lubricating oil gassiness is reduced.
The utility model is not limited to the above embodiment, for those skilled in the art, not
Under the premise of being detached from the utility model principle, several improvements and modifications can also be made, these improvements and modifications are also considered as this reality
Within novel protection domain.The content not being described in detail in this specification belongs to well known to professional and technical personnel in the field
The prior art.
Claims (10)
1. a kind of oil return depassing unit is set in the fuel tank of lubricating oil system, which is characterized in that the oil return depassing unit packet
It includes：
Connector (1), the oil return hole for the oil return depassing unit to be installed to inner wall of oil tank；
Oil return pipe component (2), input end connect the connector (1)；
Sleeve (3) is set to the outlet end of the oil return pipe component (2), and forms continuous pipe with the oil return pipe component (2)
The barrel surrounding on road, the sleeve (3) offers multiple oil-through holes (31)；
Filter assemblies (4), are removable installed in the outer circumferential and bottom of the sleeve (3), and the filter assemblies (4) set
There is aperture to be less than the strainer of 0.3mm.
2. oil return depassing unit as described in claim 1, it is characterised in that：The aperture of the strainer is 0.1mm.
3. oil return depassing unit as described in claim 1, it is characterised in that：The both ends of the sleeve (3) are respectively equipped with fixation
Plate (5) and bottom plate (7), the fixed plate (5) and bottom plate (7) are connected by screw rod (8)；The fixed plate (5) and the oil return
The outlet end of tube assembly (2) is fixedly connected, and the fixed plate (5) is equipped with first through hole, the oil return pipe component (2) and sleeve
(3) it is interconnected by the first through hole.
4. oil return depassing unit as claimed in claim 3, it is characterised in that：The oil return pipe component (2) includes taking over (21)
With snorkel (22), the both ends for taking over (21) are separately connected the connector (1) and snorkel (22), the snorkel
(22) end is the outlet end.
5. oil return depassing unit as claimed in claim 4, it is characterised in that：The inner wall for taking over (21) is equipped at least one
Described (21) inner cavity of pipe of taking over is divided into mutually independent fluid space by a partition board (211), the partition board (211).
6. oil return depassing unit as claimed in claim 4, it is characterised in that：The top of the snorkel (22) is equipped with multiple logical
To the venthole (221) in top of oil-tank space.
7. oil return depassing unit as claimed in claim 3, it is characterised in that：The sleeve (3) is internally provided with conduit (6), institute
The one end for stating conduit (6) is fixedly connected with the fixed plate (5), and the other end is free end, the conduit (6) and the sleeve
(3) there are gaps, the tube wall of the conduit (6) to pass through through multiple oil outlets (61), the sleeve (3) is arranged between inner wall
The conduit (6) is connected to the oil return pipe component (2).
8. oil return depassing unit as claimed in claim 3, it is characterised in that：The filter assemblies (4) include being set to the set
At least one net-filter assembly (41) of cylinder (3) outer circumferential, the net-filter assembly (41) are connected to the fixed plate (5) and bottom plate
(7) between, the net-filter assembly (41) includes：
Two mounting plates (411), two mounting plates (411) are equipped with for the centre bore through the sleeve (3)
(412)；
Inner hole plate (413), the setting outside the centre bore (412)；
It is external to be sheathed on the inner hole plate (413) for outer orifice plate (415)；
Wherein, the inner hole plate (413) and outer orifice plate (415) are connected between two mounting plates (411), the outer orifice plate
(415) it is equipped between inner hole plate (413) and folds strainer (414).
9. oil return depassing unit as claimed in claim 8, it is characterised in that：The net-filter assembly (41) is two, two institutes
State net-filter assembly (41) mounted on top.
10. a kind of lubricating oil system, the lubricating oil system includes fuel tank, it is characterised in that：The oil return hole of inner wall of oil tank with such as
Claim 1-9 any one of them oil return depassing units are connected to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748385.5U CN207702106U (en) | 2017-12-12 | 2017-12-12 | A kind of oil return depassing unit and lubricating oil system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721748385.5U CN207702106U (en) | 2017-12-12 | 2017-12-12 | A kind of oil return depassing unit and lubricating oil system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207702106U true CN207702106U (en) | 2018-08-07 |
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ID=63026335
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721748385.5U Active CN207702106U (en) | 2017-12-12 | 2017-12-12 | A kind of oil return depassing unit and lubricating oil system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207702106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940224A (en) * | 2017-12-12 | 2018-04-20 | 中国船舶重工集团公司第七〇九研究所 | A kind of oil return depassing unit and lubricating oil system |
| CN110296207A (en) * | 2019-07-11 | 2019-10-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of gear-box oil-returning structure |
-
2017
- 2017-12-12 CN CN201721748385.5U patent/CN207702106U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940224A (en) * | 2017-12-12 | 2018-04-20 | 中国船舶重工集团公司第七〇九研究所 | A kind of oil return depassing unit and lubricating oil system |
| CN107940224B (en) * | 2017-12-12 | 2023-06-20 | 中国船舶重工集团公司第七一九研究所 | Oil return degassing device and lubricating oil system |
| CN110296207A (en) * | 2019-07-11 | 2019-10-01 | 中国航发哈尔滨东安发动机有限公司 | A kind of gear-box oil-returning structure |
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