CN117514949A - Hydraulic oil tank - Google Patents
Hydraulic oil tank Download PDFInfo
- Publication number
- CN117514949A CN117514949A CN202311494099.0A CN202311494099A CN117514949A CN 117514949 A CN117514949 A CN 117514949A CN 202311494099 A CN202311494099 A CN 202311494099A CN 117514949 A CN117514949 A CN 117514949A
- Authority
- CN
- China
- Prior art keywords
- oil
- oil return
- hydraulic
- oil tank
- tank 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
Links
- 239000010720 hydraulic oil Substances 0.000 title claims abstract description 45
- 239000003921 oil Substances 0.000 claims abstract description 235
- 238000010521 absorption reaction Methods 0.000 claims abstract description 13
- 238000005192 partition Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 10
- 239000007788 liquid Substances 0.000 description 12
- 230000017525 heat dissipation Effects 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- F15B21/042—Controlling the temperature of the fluid
- F15B21/0423—Cooling
-
- 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
- F15B21/047—Preventing foaming, churning or cavitation
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The invention belongs to the technical field of parts for hydraulic systems, and particularly relates to a hydraulic oil tank, which comprises an oil absorption flange, an oil tank body and a partition plate, wherein the partition plate divides the oil tank body into an oil absorption area and an oil return area which are communicated with each other; the oil return cavity is an adduction type oil return cavity, a pipeline at the bottom is bent at 90 degrees, the oil return cavity is welded on an upper cover plate of the oil tank body in a sealing mode, the pipeline bent at 90 degrees is far away from the oil suction area, an inlet at the upper end of the pipeline is an oil return inlet, an outlet at the bottom is an oil return port, and the oil return port of the oil return cavity is lower than the oil suction flange. The hydraulic oil tank has no bubble in the oil return process, is convenient to maintain and overhaul, and has high oil utilization rate.
Description
Technical Field
The invention belongs to the technical field of parts for hydraulic systems, and particularly relates to a hydraulic oil tank.
Background
In engineering machinery, hydraulic transmission is used as a main transmission mode, wherein a hydraulic oil tank is used as an auxiliary unit of a hydraulic system, and mainly stores hydraulic oil, heat accumulated in a heat dissipation system, promotes gas separation in oil, precipitates pollutants in the oil and the like, but the following problems mainly exist in the practical application process: the oil return filter is arranged at the top of the oil tank, oil flows out from the oil outlet of the oil return filter to the surface of the oil, and in the process, a lot of air can be involved into the oil to form a lot of bubbles; the oil is not sufficiently cooled in the oil tank in a circulating way, a large amount of hot oil is directly pumped into the hydraulic system from the oil suction port, so that the rising of the oil temperature of the hydraulic system is accelerated, and the aging of the oil is accelerated; a large amount of bubbles in the oil are sucked into a hydraulic system, so that the hydraulic system generates noise, vibration, cavitation and the like, and the working efficiency of a hydraulic element is low, and the problems of oil absorption, noise reduction and abnormal sound of the hydraulic system are urgently needed to be solved by hydraulic engineers.
Disclosure of Invention
The invention provides a hydraulic oil tank which has the functions of reducing noise and defoaming and can effectively solve the problem that bubbles are generated in the oil return process of a hydraulic system in the engineering machinery industry and the problem that the heat dissipation effect of hydraulic oil is poor.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the hydraulic oil tank comprises an oil absorption flange, an oil tank body and a baffle plate, wherein the oil tank body is divided into an oil absorption area and an oil return area which are communicated with each other by the baffle plate, and the oil absorption flange is arranged on the tank body of the oil absorption area of the oil tank body; the oil return cavity is an adduction type oil return cavity, a pipeline at the bottom is bent at 90 degrees, the oil return cavity is welded on an upper cover plate of the oil tank body in a sealing mode, the pipeline bent at 90 degrees is far away from the oil suction area, an inlet at the upper end of the pipeline is an oil return inlet, an outlet at the bottom is an oil return port, and the oil return port of the oil return cavity is lower than the oil suction flange.
Furthermore, the outlet at the bottom of the oil return cavity is welded with a blocking plate, and oil return openings are formed in two sides of a pipeline at the bottom of the oil return cavity.
Furthermore, triangular oil ports are arranged at four corners of the partition plate, and small holes are formed in the plate body.
Furthermore, an oil return filter is arranged at the inlet of the upper end of the oil return cavity, and an oil return check valve is arranged at the inlet of the oil return filter.
Further, an oil suction filter is arranged on the oil suction flange.
Furthermore, an oil drain port is arranged at the bottom of the oil tank body.
Further, a liquid level meter and an air filter are arranged on the oil tank body.
The invention has the beneficial effects that:
1. the hydraulic oil tank has the advantages that no bubbles are generated in the oil return process, the oil return of the hydraulic oil tank enters the oil return cavity after entering the oil return filter through the oil return one-way valve, and enters the part below the liquid level of the hydraulic oil tank through the oil return port for oil return, hydraulic oil does not flow in air in the whole oil return process, the hydraulic oil returns in the oil tank in a liquid movement mode, and no bubbles are generated in the whole process;
2. the oil return filter of the hydraulic oil tank is fixed in the oil tank body on the outer surface of the oil tank body, the filter element is inserted into the oil return cavity 5, the oil return filter can be replaced and maintained from the outside of the oil tank body, the oil return port is arranged on the upper side of the oil tank body, and the hydraulic oil in the oil tank is not required to be pumped out when the filter element is replaced;
3. the oil utilization rate is high, the oil return area and the oil suction area of the hydraulic oil tank are separated by the partition plate, the hydraulic oil in the two areas flows through the left triangular hole, the right triangular hole and the middle circular hole on the bottom surface of the oil tank body, and the volume of the minimum oil tank and the minimum filling amount of the hydraulic oil in the system can be designed according to the oil consumption of the hydraulic system in the actual use process.
Drawings
FIG. 1 is a schematic view of the hydraulic oil tank 1;
FIG. 2 is a schematic view of the hydraulic tank 2 according to the present invention;
FIG. 3 is a diagram of the oil return chamber of the hydraulic tank of the present invention;
fig. 4 is a structural view of a partition plate of the hydraulic oil tank of the present invention.
In the figure: 1. an oil drain port; 2. an oil absorption flange; 3. an oil tank body; 4. a liquid level gauge; 5. an oil return cavity; 6. a one-way valve; 7. an oil return filter; 8. a partition plate; 9. an air cleaner; 10. an oil absorption filter; 5-1 closure plate; 5-2 oil return ports; 8-1, an oil port; 8-2, small holes; 8-3 round holes.
Description of the embodiments
The following detailed description of the technical solutions of the present invention is made by the accompanying drawings and specific embodiments, and it should be understood that the specific features of the embodiments and embodiments of the present application are detailed descriptions of the technical solutions of the present application, and not limiting the technical solutions of the present application, and the technical features of the embodiments and embodiments of the present application may be combined with each other without conflict.
The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
As shown in fig. 1 to 4, the invention provides a hydraulic oil tank, which comprises an oil discharge port 1, an oil suction flange 2, an oil tank body 3, a liquid level meter 4, an oil return cavity 5, a one-way valve 6, an oil return filter 7, a partition plate 8, an air filter 9 and an oil suction filter 10; the oil tank body 3 is divided into an oil suction area and an oil return area by the partition plate 8, the oil suction flange 2 is arranged on the tank body of the oil suction area of the oil tank body 3, the oil return cavity 5 is of an adduction type, and a pipeline at the bottom is bent at 90 degrees; the oil return cavity 5 is welded on the upper cover plate of the oil tank in a sealing way, a 90-degree bent pipeline is far away from the oil suction area, an oil return filter 7 is arranged at the inlet of the upper end of the oil return cavity 5, and an oil return one-way valve 6 is arranged at the inlet of the filter 7. The bottom outlet of the oil return cavity 5 is welded with a blocking plate 5-1, two sides of a pipeline at the bottom of the oil return cavity 5 are provided with oil return ports 5-2, the position of the oil return ports 5-2 is lower than that of the oil suction flange 2, and the oil return ports 5-2 are ensured to be below the liquid level of oil when the hydraulic system returns oil. The oil drain port 1 adopts the design of sinking, is located the oil tank body 3 bottom for guarantee the oil tank sanitization when storing the impurity in the hydraulic tank and wasing the oil tank. The oil return port 5-2 is connected with the oil return area and the oil return cavity 5, the oil ports with certain size of the oil return port 5-2 are symmetrically distributed on the left side and the right side of the bottom of the oil return cavity 5, so that hydraulic oil for returning oil of the system flows towards the two sides of the oil tank, and a flowing loop from the oil return area to the oil suction area is formed through the triangular oil ports 8-1, the small holes 8-2 and the round holes 8-3 of the partition plate 8. The four corners of the baffle plate 8 are provided with triangular oil ports 8-1, and the plate body is provided with small holes 8-2 and round holes 8-3. The oil suction flange 2 is used as an oil suction port of a hydraulic system and mainly provides an oil suction function for the hydraulic system, and the oil suction filter 10 is arranged on the oil suction flange 2. The check valve 6 mainly prevents the back suction of oil liquid formed by vacuum in the hydraulic system during oil return; the oil return filter 7 is arranged in the oil return cavity 5 and is fixed on the upper end cover of the hydraulic oil tank and used for filtering impurities in the oil return system; the oil tank body 3 is provided with a liquid level meter 4 and an air filter 9, and the liquid level meter 4 is mainly used for displaying the height of the liquid level of hydraulic oil; the air filter 9 is mainly used for gas exchange in the oil tank; the oil suction filter 10 mainly filters impurities of the oil suction circuit.
The invention provides a hydraulic oil tank which has the oil tank oil return defoaming function, the oil tank heat dissipation function and the oil tank suck-back prevention function.
Oil tank oil return defoaming function: the oil return cavity 5 is welded on the upper cover plate of the oil tank body, the inlet of the oil return filter 7 is an oil return inlet, the outlet of the oil return filter 7 is arranged in the oil return cavity 5, the oil return port 5-2 is arranged below the liquid level of the oil tank, the inlet of the oil return filter of the hydraulic system is connected with the oil return one-way valve 6, and the hydraulic oil return system, the oil return one-way valve 6, the oil return filter 7, the oil return cavity 5 and hydraulic oil in the oil tank form a closed containing cavity. In the working engineering of the hydraulic system, hydraulic oil in the system enters an oil return filter 7 through an oil return one-way valve 6, hydraulic oil at the outlet of the oil return filter 7 is directly reserved in an oil return cavity 5, and then is returned to a hydraulic oil tank through two oil return ports 5-2, and the oil return cavity 5 of the hydraulic oil tank is always full of oil under the action of atmospheric pressure because of the closed cavity of the oil return system of the hydraulic system. The hydraulic oil is not contacted with the gas in the whole oil return process, so that bubbles cannot be generated in the oil return process.
Oil tank heat dissipation function: the two outlets 5-2 of the oil return cavity 5 enable hydraulic oil in the system to flow to two sides of the oil tank, the hydraulic oil in the oil return area flows back to the oil suction area through the triangular oil port 8-1, the small hole 8-2 and the round hole 8-3 at the bottom side of the partition plate, the hydraulic oil in the oil return of the system fully stays in the oil tank to enter the oil suction area, the oil is guaranteed to fully dissipate heat in the oil tank, and meanwhile, elimination of bubbles in the hydraulic oil is facilitated.
Reverse suction prevention function of oil tank: the oil return check valve 6 in the oil return system has the function of enabling oil to flow unidirectionally and mainly has two functions. Firstly, preventing the hydraulic system loop from forming a back suction effect of hydraulic oil after forming vacuum; and secondly, when the oil return path of the hydraulic system is maintained, the position of the dismounting pipe joint is below the liquid level of the oil tank, so that the backflow of the oil is prevented, and the waste of the oil and the environmental pollution are caused.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present invention, and such modifications and variations should also be regarded as being within the scope of the invention.
Claims (7)
1. The hydraulic oil tank comprises an oil absorption flange (2), an oil tank body (3) and a partition plate (8), wherein the partition plate (8) divides the oil tank body (3) into an oil absorption area and an oil return area which are communicated with each other, and the oil absorption flange (2) is arranged on the oil tank body in the oil absorption area of the oil tank body (3); the oil return cavity (5) is an adduction type oil return cavity (5), a pipeline at the bottom is bent at 90 degrees, the oil return cavity (5) is welded on an upper cover plate of an oil tank body in a sealing mode, the pipeline bent at 90 degrees is far away from an oil suction area, an inlet at the upper end of the pipeline is an oil return inlet, an outlet at the bottom is an oil return opening, and the oil return opening of the oil return cavity (5) is lower than the oil suction flange (2).
2. A hydraulic oil tank as claimed in claim 1, characterized in that the outlet of the bottom of the oil return cavity (5) is welded with a closure plate (5-1), and the two sides of the bottom pipeline of the oil return cavity (5) are provided with oil return openings (5-2).
3. A hydraulic oil tank according to claim 1, characterized in that triangular oil ports (8-1) are provided at four corners of the partition plate (8), and through holes are provided in the plate body.
4. A hydraulic oil tank according to claim 1, characterized in that an oil return filter (7) is arranged at the inlet of the upper end of the oil return cavity (5), and an oil return one-way valve (6) is arranged at the inlet of the oil return filter (7).
5. A hydraulic tank according to claim 1, characterized in that the oil suction flange (2) is provided with an oil suction filter (10).
6. A hydraulic oil tank as claimed in claim 1, characterized in that the bottom of the tank body (3) is provided with an oil drain (1).
7. A hydraulic oil tank according to claim 1, characterized in that the tank body (3) is provided with a level gauge (4) and an air filter (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311494099.0A CN117514949A (en) | 2023-11-10 | 2023-11-10 | Hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311494099.0A CN117514949A (en) | 2023-11-10 | 2023-11-10 | Hydraulic oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117514949A true CN117514949A (en) | 2024-02-06 |
Family
ID=89760153
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311494099.0A Pending CN117514949A (en) | 2023-11-10 | 2023-11-10 | Hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117514949A (en) |
-
2023
- 2023-11-10 CN CN202311494099.0A patent/CN117514949A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |