CN217481625U - Hydraulic oil tank - Google Patents
Hydraulic oil tank Download PDFInfo
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- CN217481625U CN217481625U CN202221374427.4U CN202221374427U CN217481625U CN 217481625 U CN217481625 U CN 217481625U CN 202221374427 U CN202221374427 U CN 202221374427U CN 217481625 U CN217481625 U CN 217481625U
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- heating
- tank
- oil
- oil tank
- casing
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Abstract
The utility model belongs to the technical field of the hydraulic oil heating, a hydraulic tank is disclosed, including oil tank shell, heating casing and heating device. The oil tank shell is used for storing hydraulic oil. The heating shell is fixedly arranged on the oil tank shell and extends along the length direction of the oil tank shell, a heating cavity is arranged between the heating shell and the oil tank shell, and a heat-conducting medium is filled in the heating cavity. Heating device sets firmly in the one end of heating housing, and heating device is provided with heating portion, and heating portion stretches into heating intracavity, and extends along the length direction of oil tank casing, and heating device is provided with a plurality ofly, and a plurality of heating device set up along the circumference interval of oil tank casing. The utility model discloses a hydraulic tank has avoided heating device and hydraulic oil direct contact and has leaded to hydraulic oil rotten to can guarantee that heating device is even to the heating medium heating, and then improve the homogeneity to the hydraulic oil heating in the oil tank casing.
Description
Technical Field
The utility model relates to a hydraulic oil heating technical field especially relates to a hydraulic tank.
Background
The hydraulic equipment is driven by a hydraulic pump in cooperation with hydraulic oil, and a factory with more hydraulic equipment needs to be provided with a large-scale hydraulic oil tank to store the hydraulic oil. When the temperature of the hydraulic oil is lower than the working temperature, the viscosity of the hydraulic oil will increase, which will result in increased pressure loss and heat generation of the hydraulic fluid, and thus the efficiency of the hydraulic system will decrease. In addition, when the temperature of the hydraulic oil is too low, a large shearing force is applied to the hydraulic pump when the hydraulic oil is sucked by the hydraulic pump and is pressed out by the hydraulic pump, and the hydraulic pump is easily damaged. Therefore, the hydraulic oil needs to be heated to an appropriate temperature. However, the conventional heating mode cannot ensure that the hydraulic oil is uniformly heated, and the heating device is in direct contact with the hydraulic oil, so that the hydraulic oil is easy to deteriorate due to the fact that the hydraulic oil exceeds the thermal stability critical temperature.
Therefore, a hydraulic oil tank is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic tank avoids heating device and hydraulic oil direct contact and leads to hydraulic oil rotten to can improve the homogeneity to the hydraulic oil heating in the oil tank casing.
To achieve the purpose, the utility model adopts the following technical proposal:
a hydraulic tank comprising:
a tank case for storing hydraulic oil;
the heating shell is fixedly arranged on the oil tank shell and extends along the length direction of the oil tank shell, a heating cavity is arranged between the heating shell and the oil tank shell, and a heat-conducting medium is filled in the heating cavity;
heating device, its set firmly in heating housing's one end, heating device is provided with heating portion, heating portion stretches into heating intracavity, and follow the length direction of oil tank casing extends, heating device is provided with a plurality ofly, and is a plurality of heating device follows the circumference interval of oil tank casing sets up.
Preferably, the heating case is provided at a lower portion of the tank case.
Preferably, the heating shells are symmetrically arranged along a vertical plane passing through the axis of the oil tank shell, and the plurality of heating devices are symmetrically arranged along the vertical plane passing through the axis of the oil tank shell.
Preferably, the heating device further comprises a supporting seat, and the supporting seat is fixedly arranged at both ends of the heating shell in the length direction.
Preferably, the heat conducting medium is heat conducting oil.
Preferably, the oil tank shell is columnar, exhaust ports are arranged on two sides of the heating shell in the length direction, and the exhaust ports are arranged at the top of the heating shell.
Preferably, the heating device is an electric heating rod.
Preferably, an oil suction pipe and an oil return pipe are arranged on the oil tank shell, and the oil suction pipe and the oil return pipe extend into the oil tank shell and extend to the lower portion of the oil tank shell.
Preferably, the top of the oil tank shell is provided with an air inlet and exhaust pipe, the air inlet and exhaust pipe is located an inner vent hole is formed in the side wall of the top of the portion, inside the oil tank shell, of the oil tank shell, an outer vent hole is formed in the portion, outside the oil tank shell, of the outer vent hole, a plug used for sealing the outer vent hole is arranged at the position of the outer vent hole, and the plug is detachably connected with the air inlet and exhaust pipe.
Preferably, the top end of the oil tank shell is provided with a service inlet.
The utility model has the advantages that:
the utility model discloses a hydraulic tank heats the heating medium of heating intracavity through heating device, and rethread heating medium heats the hydraulic oil in the oil tank casing, has avoided heating device and hydraulic oil direct contact and has leaded to hydraulic oil rotten. The heating part through heating device extends along the length direction of oil tank casing to a plurality of heating device set up along the circumference interval of oil tank casing, can guarantee that heating device is even to the heating medium heating, and then improve the homogeneity to the hydraulic oil heating in the oil tank casing.
Drawings
Fig. 1 is a first schematic structural diagram of a hydraulic oil tank provided by an embodiment of the present invention;
FIG. 2 is a cross-sectional view taken at A-A of FIG. 1;
fig. 3 is a schematic structural diagram ii of a hydraulic oil tank provided in an embodiment of the present invention.
In the figure:
10. heating the cavity;
1. a tank housing; 11. an oil suction pipe; 12. an oil return pipe; 13. an air inlet and outlet pipe; 131. an inner vent hole; 132. an outer vent; 14. a service entrance; 15. an oil discharge port; 16. a spare oil return pipe;
2. heating the housing; 21. an exhaust port; 22. a tapping port;
3. a heating device; 31. a heating section;
4. and (4) supporting the base.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
As shown in fig. 1 to 3, the present embodiment provides a hydraulic oil tank including a tank case 1, a heating case 2, and a heating device 3. The tank case 1 is used to store hydraulic oil. Heating casing 2 sets firmly on oil tank casing 1, and extends along oil tank casing 1's length direction, has heating appearance chamber 10 between heating casing 2 and the oil tank casing 1, and heating appearance chamber 10 intussuseption is filled with heat-conducting medium. Heating device 3 sets firmly in the one end of heating casing 2, and heating device 3 is provided with heating portion 31, and heating portion 31 stretches into in the heating appearance chamber 10, and extends along the length direction of oil tank casing 1, and heating device 3 is provided with a plurality ofly, and a plurality of heating device 3 set up along the circumference interval of oil tank casing 1.
The hydraulic oil tank that this embodiment provided heats the heating medium who holds the intracavity 10 through heating device 3, and rethread heating medium heats the hydraulic oil in the oil tank casing 1, has avoided heating device 3 and hydraulic oil direct contact and has leaded to hydraulic oil rotten. Heating portion 31 through heating device 3 extends along the length direction of oil tank casing 1 to a plurality of heating device 3 set up along the circumference interval of 1 length direction of oil tank casing, can guarantee that heating device 3 is even to the heating medium heating, and then improve the homogeneity to the hydraulic oil heating in the oil tank casing 1.
Optionally, the heating shell 2 is arranged at the lower part of the oil tank shell 1, the density of the hydraulic oil with higher temperature after heating is smaller, the density of the hydraulic oil with lower unheated temperature is larger, the heating shell 2 is arranged at the lower part of the oil tank shell 1, so that the hydraulic oil with higher temperature after heating floats upwards to be far away from the heating cavity 10, the hydraulic oil with lower unheated temperature sinks to be close to the heating cavity 10, and the hydraulic oil in the oil tank shell 1 is heated more uniformly.
Alternatively, as shown in fig. 2, the heating housing 2 is symmetrically arranged along a vertical plane passing through the axis of the oil tank housing 1, and the plurality of heating devices 3 are symmetrically arranged along a vertical plane passing through the axis of the oil tank housing 1, so as to further improve the uniformity of heating the hydraulic oil in the oil tank housing 1. Specifically, in the present embodiment, the number of the heating devices 3 is four, and two heating devices 3 are provided on both sides of the tank case 1.
Optionally, as shown in fig. 1 to 3, the hydraulic oil tank provided in this embodiment further includes a support seat 4, the support seats 4 are fixedly disposed at both ends of the heating shell 2 in the length direction, and the support seats 4 are used for supporting the heating shell 2 and the oil tank shell 1.
Optionally, the heat conducting medium is heat conducting oil, and the heat conducting oil is high temperature resistant heat conducting oil, so as to avoid deterioration caused by direct contact with the heating device 3 and influence on heat conducting performance.
Optionally, the heating device 3 is an electric heating rod, the electric heating rod is sensitive in reaction and high in temperature rise speed, and the response speed of the hydraulic oil temperature control in the oil tank shell 1 can be effectively improved by heating the heat-conducting medium through the electric heating rod.
Optionally, as shown in fig. 1, the oil tank housing 1 is a cylindrical shape, two sides of the heating housing 2 along the length direction of the oil tank housing 1 are both provided with exhaust ports 21, the exhaust ports 21 are disposed at the top of the heating housing 2 and are used for exhausting air in the heating housing 2 when injecting a heat-conducting medium into the heating housing 2, and in the use process of the hydraulic oil tank, the heat-conducting medium may also generate a part of gas, the exhaust ports 21 need to be opened to exhaust after the hydraulic oil tank is used for a period of time, so as to avoid an excessive pressure in the heating housing 2, and when the heat-conducting medium exists in the heating housing 2, the gas at two sides of the heating housing 2 is separated by the heat-conducting medium, so that the exhaust ports 21 need to be disposed at two sides of the heating housing 2.
Optionally, as shown in fig. 1, a drain port 22 is disposed at the bottom of the heating housing 2, when the heat-conducting medium is replaced, the heat-conducting medium in the heating housing 2 is drained through the drain port 22, and the drain port 22 is disposed at the bottom of the heating housing 2, so that the heat-conducting medium can completely flow out after the drain port 22 is opened.
Optionally, as shown in fig. 1 to 3, an oil suction pipe 11 and an oil return pipe 12 are arranged on the oil tank housing 1, the oil suction pipe 11 and the oil return pipe 12 extend into the oil tank housing 1 and extend to the lower portion of the oil tank housing 1, hydraulic oil is taken from the oil tank housing 1 through the oil suction pipe 11, the used hydraulic oil flows back into the oil tank housing 1 through the oil return pipe 12, the oil suction pipe 11 extends to the lower portion of the oil tank housing 1 so that when the oil storage capacity of the oil tank housing 1 is small, the hydraulic oil can also be taken through the oil suction pipe 11, the oil return pipe 12 also extends to the bottom of the oil tank housing 1 so that the returned hydraulic oil directly flows below the hydraulic oil level in the oil tank housing 1, and the hydraulic oil is prevented from splashing.
Optionally, as shown in fig. 1 to 3, an air inlet and outlet pipe 13 is disposed at the top end of the oil tank housing 1, an inner vent hole 131 is disposed on a top end side wall of a portion of the air inlet and outlet pipe 13 located in the oil tank housing 1, the inner vent hole 131 is disposed at the top end of a portion of the air inlet and outlet pipe 13 located in the oil tank housing 1, so as to prevent the inner vent hole 131 from being submerged when the level of hydraulic oil in the oil tank housing 1 is high, an outer vent hole 132 is disposed on a portion of the air inlet and outlet pipe 13 located outside the oil tank housing 1, and a plug for closing the outer vent hole 132 is disposed at the outer vent hole 132, and is detachably connected to the air inlet and outlet pipe 13. When the hydraulic oil tank needs to be used under normal pressure, the plug is detached, the inside of the oil tank shell 1 is communicated with the outside atmosphere through the air inlet and outlet pipe 13 at the moment so as to balance the pressure in the oil tank shell 1, and when the hydraulic oil tank needs to be used under pressure, the outer vent hole 132 on the air inlet and outlet pipe 13 is sealed through the plug so as to disconnect the communication between the inside of the oil tank shell 1 and the atmosphere.
Optionally, as shown in fig. 1-3, the top end of the tank shell 1 is provided with an access opening 14, and the access opening 14 is used for access of an access person to remove slag or perform maintenance operation in the tank shell 1, and in this embodiment, both ends of the tank shell 1 are provided with one access opening 14.
Alternatively, as shown in fig. 1 and 2, the bottom end of the tank case 1 is provided with an oil discharge port 15 for discharging hydraulic oil when replacing hydraulic oil or repairing the hydraulic tank, and an oil discharge pipe is provided at the oil discharge port 15 and extends to the outside of the heating case 2 through the heating case 2. The oil drain pipe also serves as a spare oil suction pipe, and when the number of the oil suction pipes 11 cannot meet the use requirement, the spare oil suction pipe is started.
Optionally, as shown in fig. 1 to 3, the top of the tank shell 1 is further provided with a plurality of spare oil return pipes 16, and when the number of the oil return pipes 12 cannot meet the use requirement, the spare oil return pipes 16 can be activated.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A hydraulic tank, comprising:
a tank housing (1) for storing hydraulic oil;
the heating device comprises a heating shell (2) which is fixedly arranged on the oil tank shell (1) and extends along the length direction of the oil tank shell (1), a heating cavity (10) is arranged between the heating shell (2) and the oil tank shell (1), and a heat-conducting medium is filled in the heating cavity (10);
heating device (3), its set firmly in the one end of heating casing (2), heating device (3) are provided with heating portion (31), heating portion (31) stretch into in heating appearance chamber (10), and follow the length direction of oil tank casing (1) extends, heating device (3) are provided with a plurality ofly, and are a plurality of heating device (3) are followed the circumference interval setting of oil tank casing (1).
2. A hydraulic tank according to claim 1, characterized in that the heating housing (2) is arranged in a lower part of the tank housing (1).
3. A hydraulic tank according to claim 2, characterized in that the heating casing (2) is arranged symmetrically along a vertical plane passing through the axis of the tank casing (1), and the plurality of heating devices (3) are arranged symmetrically along a vertical plane passing through the axis of the tank casing (1).
4. The hydraulic oil tank as claimed in claim 3, further comprising a support base (4), wherein the support base (4) is fixedly arranged at both ends of the heating shell (2) in the length direction.
5. The hydraulic oil tank of claim 2, wherein the heat transfer medium is a heat transfer oil.
6. The hydraulic oil tank as claimed in claim 5, characterized in that the tank casing (1) is columnar, the heating casing (2) is provided with exhaust ports (21) on both sides in the length direction of the tank casing (1), and the exhaust ports (21) are arranged on the top of the heating casing (2).
7. A hydraulic tank according to claim 1, characterized in that the heating device (3) is an electric heating rod.
8. The hydraulic tank according to claim 1, characterized in that an oil suction pipe (11) and an oil return pipe (12) are provided on the tank casing (1), and the oil suction pipe (11) and the oil return pipe (12) extend into the tank casing (1) and extend to the lower part of the tank casing (1).
9. The hydraulic oil tank is characterized in that an air inlet pipe (13) and an air outlet pipe (13) are arranged at the top end of the oil tank shell (1), an inner vent hole (131) is formed in the side wall of the top end of the part, located in the oil tank shell (1), of the air inlet pipe (13), an outer vent hole (132) is formed in the part, located outside the oil tank shell (1), of the air inlet pipe (13), a plug used for sealing the outer vent hole (132) is arranged at the position of the outer vent hole (132), and the plug is detachably connected with the air inlet pipe (13) and the air outlet pipe (132).
10. A hydraulic tank according to claim 1, characterized in that the top end of the tank casing (1) is provided with a service access (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221374427.4U CN217481625U (en) | 2022-06-02 | 2022-06-02 | Hydraulic oil tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221374427.4U CN217481625U (en) | 2022-06-02 | 2022-06-02 | Hydraulic oil tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481625U true CN217481625U (en) | 2022-09-23 |
Family
ID=83312741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221374427.4U Active CN217481625U (en) | 2022-06-02 | 2022-06-02 | Hydraulic oil tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481625U (en) |
-
2022
- 2022-06-02 CN CN202221374427.4U patent/CN217481625U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee after: WEICHAI POWER Co.,Ltd. Patentee after: Weichai Hydraulic Transmission Co.,Ltd. Address before: 261061 Shandong city in Weifang province Fu hi tech Industrial Development Zone, East Street No. 197 Patentee before: WEICHAI POWER Co.,Ltd. Patentee before: LINDE HYDRAULICS (CHINA) Co.,Ltd. |