CN115059645B - Hydraulic oil tank with forced degassing structure - Google Patents
Hydraulic oil tank with forced degassing structure Download PDFInfo
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- CN115059645B CN115059645B CN202210996361.0A CN202210996361A CN115059645B CN 115059645 B CN115059645 B CN 115059645B CN 202210996361 A CN202210996361 A CN 202210996361A CN 115059645 B CN115059645 B CN 115059645B
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- Prior art keywords
- oil
- oil return
- area
- diameter area
- degassing
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/26—Supply reservoir or sump assemblies
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/04—Special measures taken in connection with the properties of the fluid
- F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding
Abstract
The invention relates to a hydraulic oil tank with a forced degassing structure, which comprises an oil tank body, an oil return cover plate, an oil return cavity, an oil return filter element, a degassing device, a baffle and an oil suction opening, wherein the oil return cover plate is connected with the oil return cavity, the oil return filter element is arranged in the oil return cavity, the degassing device is connected below the oil return cavity, the baffle is arranged above the degassing device, and the oil suction opening is positioned below the baffle. The oil-gas separation device is characterized in that after oil return flow enters an oil return cavity through an oil return cover plate, the oil return flow enters a degassing device through a connector of the oil return cavity and the degassing device, gas in oil is discharged to the liquid level, oil containing a small amount of gas is discharged to the position below a baffle plate through the degassing device and enters an oil suction port, meanwhile, the baffle plate prevents the oil from impacting the liquid level after being discharged by the degassing device, and meanwhile, gas generated by the oil tank on the liquid level is prevented from being mixed into the oil tank again, so that gas entering a hydraulic system is greatly reduced, and the reliability of the hydraulic system is improved.
Description
Technical Field
The invention relates to the field of engineering machinery, in particular to a hydraulic oil tank with a forced degassing structure.
Background
In the prior art, the distance from an oil return port to an oil suction port of hydraulic oil is increased mainly by using a partition plate and the like, the hydraulic oil is lifted to the liquid level by utilizing the buoyancy of bubbles in the hydraulic oil, but the natural floating speed of the bubbles is slow, so that the bubbles in the return oil can be ensured to be fully eliminated, the retention time of circulating oil in an oil tank is prolonged by a hydraulic oil tank with a larger volume, the gas removal efficiency is lower due to the floating speed of the bubbles, and the liquid level cannot be isolated from the oil suction port due to the fixed floating path of the bubbles, so that the problems of noise, vibration, cavitation erosion and the like are caused when the bubbles enter a system when the liquid level fluctuates, and the reliability of a hydraulic system is influenced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a hydraulic oil tank with a forced degassing structure.
In order to solve the problems of the prior art, the invention discloses a hydraulic oil tank with a forced degassing structure, which comprises: oil tank body, oil return apron, oil return cavity, oil return filter core, gas removal equipment and baffle, gas removal equipment is connected to the oil return cavity, the inner chamber of the oil tank body is located to oil return cavity and gas removal equipment, the oil return apron is used for the oil inlet that the lid closed the oil return cavity, it is external that the oil tank is located to the oil return apron, the oil return filter core is located in the oil return cavity, oil tank body inner chamber is located to the baffle, the baffle divide into the oil tank body inner chamber exhaust region and inhales the oil return region, gas removal equipment is equipped with degassing pipe and oil-out, the degassing pipe stretches into the exhaust region, the oil-out is located inhales the oil return region, the oil tank body has seted up oil absorption mouth, oil absorption mouth is located inhales the oil return region.
Further, the degassing device also comprises an outer chamber and an inner chamber, and the outer chamber is communicated with the oil return chamber; the inner chamber comprises an oil inlet portion and an oil outlet portion which are communicated, the oil inlet portion is arranged in the outer chamber, the oil inlet portion is provided with an inner chamber oil inlet, and the oil inlet portion is further connected with an air removing pipe.
Further, the inner chamber oil inlet is a tangential port.
Further, the oil inlet part comprises a large-diameter area and a reducing area, the oil outlet part is the small-diameter area, the large-diameter area is connected with the small-diameter area through the reducing area, an oil outlet is arranged in the small-diameter area, the tangential port is arranged in the large-diameter area, and the degassing pipe is connected with the large-diameter area.
Further, the central axis of the tangential port is tangent to the large-diameter area, and the tangent dimension positions of the tangential port meet the following dimensions:
R cutting machine ≤R 50201 -R 505
Wherein R is Cutting machine The distance between the tangential port and the central axis of the large-diameter area is set; r 50201 The outer diameter of the large-diameter area; r 505 Is the tangential port outer diameter.
Further, the axis position in the large-diameter area is connected with an inlet of a degassing pipe, and an outlet of the degassing pipe is located in the exhaust area.
Further, the large-diameter area is a circular pipeline.
Further, the path is regional for circular pipeline, the reducing region is connected to path regional one end, and the other end is plugged up, and a plurality of oil-out is located the regional lateral wall of path.
Furthermore, the oil return cover plate is provided with a flow combining block.
Further, the oil suction port is arranged on the side wall of the oil tank body.
The invention has the following beneficial effects:
the invention aims to provide a hydraulic oil tank with a forced degassing device, which aims to solve the problems that gas generated in the working process of a hydraulic system can be rapidly eliminated at present, and the gas removal efficiency is high; meanwhile, the problem that gas generated by liquid level fluctuation due to overlarge impact in the operation process of part of engineering mechanical equipment enters the hydraulic system is solved. The problems of noise, vibration, cavitation and the like caused by gas in the system are solved, the reliability of the hydraulic system is greatly improved, meanwhile, the volume of the oil tank is not limited any more, the oil consumption is smaller, the cost is lower, and the system is more environment-friendly.
Drawings
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a schematic cross-sectional view of a degassing device.
FIG. 3 is a schematic cross-sectional view of a degasser.
FIG. 4 is a partial schematic view of the internal chamber of the degasser.
An oil tank body 1; an oil return cover plate 2; an oil return chamber 3; an oil return filter element 4; a degassing device 5; a baffle 6; an oil suction opening 7; an outer chamber 501; an interior chamber 502; a degassing pipe 503; an oil outlet 504; a tangential port 505; a major diameter region 50201; a variable diameter region 50202; a minor diameter area 50203; an exhaust region 1-1; and oil suction and return areas 1-2.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, a hydraulic oil tank having a forced degassing structure of the present invention includes: oil tank body 1, oil return apron 2, oil return cavity 3, oil return filter core 4, gas removal equipment 5, baffle 6 and oil absorption mouth 7, oil return cavity 3 connects gas removal equipment 5, oil return cavity 3 and gas removal equipment 5 locate the inner chamber of oil tank body 1, oil return apron 2 is used for the lid to close the oil inlet of oil return cavity 3, oil return apron 2 is equipped with and closes the stream piece, oil return apron 2 locates outside the oil tank body 1, oil return filter core 4 locates in oil return cavity 3, baffle 6 locates oil tank body 1 inner chamber, baffle 6 divide into the oil tank body 1 inner chamber exhaust region 1-1 and inhale oil return region 1-2, gas removal equipment 5 is equipped with except that trachea 503 and oil-out 504, stretch into the exhaust region 1-1 except that trachea 503, oil-out 504 is located inhales oil return region 1-2, oil absorption mouth 7 is located oil tank body 1, oil absorption mouth 7 is located inhales oil return region 1-2.
When the hydraulic system is in operation, system return oil enters the oil return chamber 3 after being converged by the confluence block on the oil return cover plate 2, enters the degassing device 5 after being filtered by the oil return filter element 4 of the oil return chamber 3, is subjected to gas-liquid two-phase separation by the degassing device 5, is discharged to the exhaust area 1-1 through the degassing pipe 503, and then is discharged to the oil tank oil suction and return area 1-2 through the oil outlet 504 of the degassing device 5, and the baffle 6 prevents the oil outlet discharged oil from contacting with the liquid level area, so that the liquid level gas is prevented from being involved in the system by oil return impact.
As shown in fig. 2-4, the degassing device 5 further includes an outer chamber 501 and an inner chamber 502, the outer chamber 501 is communicated with the oil return chamber 3, the inner chamber 502 includes an oil inlet portion and an oil outlet portion which are communicated with each other, the oil inlet portion is disposed in the outer chamber 501, the oil inlet portion is provided with an inner chamber oil inlet, and the oil inlet portion is further connected with a degassing pipe 503. The inner chamber oil inlet is a tangential port 505. Oil feed portion is including big footpath regional 50201 and reducing area 50202, oil outlet portion is path area 50203, big footpath region 50201 connects path area 50203 through reducing area 50202, and path area 50203 is located to oil-out 504, tangential mouth 505 is located big footpath region 50201, except that trachea 503 connects big footpath region 50201. Preferably, the central axis of the tangential port 505 is tangential to the large diameter region 50201, and the tangential dimension positions thereof satisfy the following dimensions:
R cutting machine ≤R 50201 -R 505
Wherein R is Cutting machine Is the distance between the tangential port 505 and the axis in the major diameter region 50201; r 50201 The outer diameter of the large-diameter area 50201; r is 505 Is the outer diameter of tangential port 505. The axial line position in the large-diameter area 50201 is connected with the inlet of a degassing pipe 503, and the outlet of the degassing pipe 503 is positioned in an exhaust area 1-1. The large diameter region 50201 is a circular pipe. Small diameter area 50203 is circular pipeline, small diameter area 50203 one end is connected with reducing area 50202, and the other end is plugged up, and a plurality of oil-out 504 is located small diameter area 50203's lateral wall.
The oil liquid filtered by the oil return filter element 4 enters the outer chamber 501, then enters the inner chamber along the tangential direction of the large-diameter area 50201 of the inner chamber 502 through the tangential port 505, the flow rate of the fluid is accelerated after passing through the tangential port 505, the fluid rotates along the inner wall of the large-diameter area 50201 of the inner chamber 502, and then enters the small-diameter area 50203 after passing through the diameter-variable area 50202, a certain centrifugal force is generated in the whole process because the fluid rotates along the inner chamber 502, the fluid is separated from the fluid in a gas form under the action of two-phase different centrifugal forces, and gradually converges in the central axis area, the fluid along the inner wall of the inner chamber 502 is discharged through the oil outlet 504 of the small-diameter area 50203 after gas-liquid separation, the gas converged in the central axis gradually flows to the degassing pipe 503 and is finally discharged to the position above the liquid level to be separated from the oil suction area 1-2 at the bottom.
Because a certain flow velocity is needed to generate centrifugal force to separate gas from liquid in the whole degassing process, the fluid has higher flow velocity when moving on the inner wall surface of the small-diameter area 50203, the flow velocity of the plurality of oil outlets 504 of the small-diameter area 50203 can be properly reduced, but the fluid flowing out of the oil outlets 504 still impacts all around, the baffle 6 blocks the fluid, and the condition that the fluid impacts the liquid surface to generate more gas again to be involved in the system is avoided.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A hydraulic oil tank having a forced degassing structure, comprising: the oil tank comprises an oil tank body (1), an oil return cover plate (2), an oil return cavity (3), an oil return filter element (4), a degassing device (5), a baffle (6) and an oil suction opening (7), wherein the oil return cavity (3) is connected with the degassing device (5), the oil return cavity (3) and the degassing device (5) are arranged in an inner cavity of the oil tank body (1), the oil return cover plate (2) is used for covering an oil inlet of the oil return cavity (3), the oil return cover plate (2) is arranged outside the oil tank body (1), the oil return filter element (4) is arranged in the oil return cavity (3), the baffle (6) is arranged in the inner cavity of the oil tank body (1), the baffle (6) divides the inner cavity of the oil tank body (1) into an exhaust area (1-1) and an oil suction area (1-2), the degassing device (5) is provided with an air removing pipe (503) and an oil suction opening (504), the air removing pipe (503) extends into the exhaust area (1-1), the oil outlet (504) is arranged in the oil suction area (1-2), the oil return opening (7) is arranged in the oil suction opening (1), and the oil suction opening (7) is arranged in the oil suction area (1-2);
the degassing device (5) further comprises an outer chamber (501) and an inner chamber (502), the outer chamber (501) is communicated with the oil return chamber (3), the inner chamber (502) is arranged in the outer chamber (501), the inner chamber (502) is provided with an oil inlet, the oil outlet (504) is arranged in the inner chamber (502), and the inner chamber (502) is connected with a degassing pipe (503);
the oil inlet is a tangential port (505);
the inner chamber (502) is divided into a large-diameter area (50201), a variable-diameter area (50202) and a small-diameter area (50203), the large-diameter area (50201) is connected with the small-diameter area (50203) through the variable-diameter area (50202), the oil outlet (504) is arranged in the small-diameter area (50203), the tangential port (505) is arranged in the large-diameter area (50201), and the degassing pipe (503) is connected with the large-diameter area (50201);
the axis position in the large-diameter area (50201) is connected with the inlet of a degassing pipe (503), and the outlet of the degassing pipe (503) is positioned in the exhaust area (1-1);
the small-diameter area (50203) is a circular pipeline, one end of the small-diameter area (50203) is connected with the variable-diameter area (50202), the other end of the small-diameter area is blocked, and the oil outlets (504) are arranged on the side wall of the small-diameter area (50203);
the central axis of the tangential port (505) is tangent to the large-diameter area (50201), and the tangent size positions meet the following sizes:
R cutting machine ≤R 50201 -R 505
Wherein R is Cutting machine The distance between the tangential port (505) and the central axis of the large-diameter area (50201); r is 50201 Is the outer diameter of the large-diameter area (50201); r 505 Is the outer diameter of the tangential port (505).
2. The hydraulic oil tank with the forced degassing structure according to claim 1, wherein the large diameter region (50201) is a circular pipe.
3. A hydraulic tank with a forced degassing structure according to claim 1, characterized in that the return cover plate (2) is provided with a confluence block.
4. The hydraulic oil tank with the forced degassing structure according to claim 1, wherein the oil suction port (7) is provided at a side wall of the oil tank body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996361.0A CN115059645B (en) | 2022-08-19 | 2022-08-19 | Hydraulic oil tank with forced degassing structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210996361.0A CN115059645B (en) | 2022-08-19 | 2022-08-19 | Hydraulic oil tank with forced degassing structure |
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| Publication Number | Publication Date |
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| CN115059645A CN115059645A (en) | 2022-09-16 |
| CN115059645B true CN115059645B (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210996361.0A Active CN115059645B (en) | 2022-08-19 | 2022-08-19 | Hydraulic oil tank with forced degassing structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116108631B (en) * | 2022-12-13 | 2024-03-01 | 徐州徐工挖掘机械有限公司 | Simulation method and calibration device for transient degassing process of hydraulic oil tank |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023807A (en) * | 2012-10-29 | 2014-09-03 | 株式会社Tnk | Circulation system for separating and removing bubbles from liquid |
| CN104279208A (en) * | 2014-10-30 | 2015-01-14 | 付凤吉 | Gas-liquid separation structure |
| CN206958030U (en) * | 2017-04-26 | 2018-02-02 | 浙江大学 | A kind of gas-liquid separation device with helical form honeycomb duct and taper collection chamber |
| CN111365308A (en) * | 2020-04-21 | 2020-07-03 | 山东临工工程机械有限公司 | Hydraulic oil tank and excavator |
| CN211525212U (en) * | 2019-12-31 | 2020-09-18 | 西派格工业智能装备(南通)有限公司 | Oil tank capable of separating gas from liquid |
| CN112797054A (en) * | 2021-01-27 | 2021-05-14 | 中联重科股份有限公司 | Hydraulic oil tank and pump truck |
| CN214617310U (en) * | 2021-03-04 | 2021-11-05 | 徐州徐工施维英机械有限公司 | Engineering machine and return oil filtering device thereof |
| CN214693310U (en) * | 2021-04-16 | 2021-11-12 | 南京师范大学 | Bubble-removing lubricating oil conveying system |
| CN215890622U (en) * | 2021-09-09 | 2022-02-22 | 上海三一重机股份有限公司 | Hydraulic oil tank structure and loader |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0016179D0 (en) * | 2000-06-30 | 2000-08-23 | Lucas Industries Ltd | Deaerator |
-
2022
- 2022-08-19 CN CN202210996361.0A patent/CN115059645B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104023807A (en) * | 2012-10-29 | 2014-09-03 | 株式会社Tnk | Circulation system for separating and removing bubbles from liquid |
| CN104279208A (en) * | 2014-10-30 | 2015-01-14 | 付凤吉 | Gas-liquid separation structure |
| CN206958030U (en) * | 2017-04-26 | 2018-02-02 | 浙江大学 | A kind of gas-liquid separation device with helical form honeycomb duct and taper collection chamber |
| CN211525212U (en) * | 2019-12-31 | 2020-09-18 | 西派格工业智能装备(南通)有限公司 | Oil tank capable of separating gas from liquid |
| CN111365308A (en) * | 2020-04-21 | 2020-07-03 | 山东临工工程机械有限公司 | Hydraulic oil tank and excavator |
| CN112797054A (en) * | 2021-01-27 | 2021-05-14 | 中联重科股份有限公司 | Hydraulic oil tank and pump truck |
| CN214617310U (en) * | 2021-03-04 | 2021-11-05 | 徐州徐工施维英机械有限公司 | Engineering machine and return oil filtering device thereof |
| CN214693310U (en) * | 2021-04-16 | 2021-11-12 | 南京师范大学 | Bubble-removing lubricating oil conveying system |
| CN215890622U (en) * | 2021-09-09 | 2022-02-22 | 上海三一重机股份有限公司 | Hydraulic oil tank structure and loader |
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| CN115059645A (en) | 2022-09-16 |
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