CN217481626U - Hydraulic oil tank and engineering vehicle - Google Patents
Hydraulic oil tank and engineering vehicle Download PDFInfo
- Publication number
- CN217481626U CN217481626U CN202221500636.9U CN202221500636U CN217481626U CN 217481626 U CN217481626 U CN 217481626U CN 202221500636 U CN202221500636 U CN 202221500636U CN 217481626 U CN217481626 U CN 217481626U
- Authority
- CN
- China
- Prior art keywords
- oil
- tank
- hydraulic
- oil tank
- port
- 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.)
- Active
Links
Images
Landscapes
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
The utility model belongs to the technical field of engineering vehicle, a hydraulic oil tank and engineering vehicle is disclosed, the hydraulic oil tank comprises a first oil tank, a second oil tank and a connecting pipe, the first oil tank is provided with an oil suction port and a first connecting port, the oil suction port is communicated with an oil inlet of a gear pump, and an oil outlet of the gear pump is communicated with a main valve of the engineering vehicle; the second oil tank and the first oil tank are arranged at intervals, the second oil tank is provided with a second connecting port and an oil return port, and the oil return port is communicated with a main valve of the engineering vehicle; two ends of the connecting pipe are respectively communicated with the first connecting port and the second connecting port; the first oil tank is internally and fixedly provided with an oil separation plate, the oil separation plate is positioned between the oil inlet and the first connecting port, and the oil separation plate is configured to bypass the oil separation plate along the width direction of the oil separation plate to flow out of the oil suction port from the oil inlet when hydraulic oil entering the first oil tank from the first connecting port. The hydraulic oil tank can increase the heat dissipation area of hydraulic oil and eliminate bubbles in the hydraulic oil tank.
Description
Technical Field
The utility model relates to an engineering vehicle technical field especially relates to a hydraulic tank and engineering vehicle.
Background
The hydraulic oil tank of the forklift is mainly used for providing hydraulic oil for a hydraulic system of the forklift, and the hydraulic system transmits power through hydraulic pressure to ensure the functions of steering, lifting, inclining and the like of the forklift. The hydraulic oil tank and the diesel oil tank of the existing forklift are located below a driver seat and are symmetrically arranged left and right, the hydraulic oil tank is of a single oil tank structure, the hydraulic oil tank is provided with an oil suction opening and an oil return opening, the oil suction opening is communicated with an inlet of a gear pump through a pipeline, an outlet of the gear pump is communicated with a main valve of the forklift through a pipeline, the oil return opening is communicated with the main valve through an oil return pipe, the main valve controls whether a hydraulic system is communicated with the hydraulic oil tank, and hydraulic oil flows back to the hydraulic oil tank from the hydraulic system through the oil return pipe and then is sucked into the hydraulic system from the oil suction opening through the gear pump.
However, the hydraulic oil tank adopts a single oil tank structure, so that the distance between the oil suction port and the oil return port is limited, the hydraulic oil circulation path in the hydraulic oil tank is too short, the hydraulic oil flowing back to the hydraulic oil tank from the hydraulic system cannot be well radiated and cooled and then is sucked into the hydraulic system, the too short hydraulic oil flow path in the hydraulic oil tank is not favorable for the volatilization of bubbles in the hydraulic oil tank, the bubbles are extruded and broken in the oil path of the hydraulic system to cause high temperature, and the overheating hydraulic oil used in the hydraulic system may cause the damage of some hydraulic components and parts, thereby affecting the safety and reliability of the forklift.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hydraulic tank and engineering vehicle to solve hydraulic tank and adopted single oil tank structure, restricted the distance between oil suction opening and the oil return opening, the hydraulic oil that leads to hydraulic tank can not get fine heat dissipation cooling and be unfavorable for the volatile problem of bubble in the hydraulic oil tank.
To achieve the purpose, the utility model adopts the following technical proposal:
a hydraulic tank comprising:
the first oil tank is provided with an oil suction port and a first connecting port, the oil suction port is communicated with an oil inlet of the gear pump, and an oil outlet of the gear pump is communicated with a main valve of the engineering vehicle;
the second oil tank and the first oil tank are arranged at intervals, the second oil tank is provided with a second connecting port and an oil return port, and the oil return port is communicated with a main valve of the engineering vehicle;
the two ends of the connecting pipe are respectively communicated with the first connecting port and the second connecting port;
an oil separation plate is fixedly arranged inside the first oil tank and located between the oil inlet and the first connecting port, and the oil separation plate is configured to allow hydraulic oil entering the first oil tank from the first connecting port to bypass the oil separation plate in the width direction of the oil separation plate and flow out of the oil suction port.
As an optimal scheme of the hydraulic oil tank, the side wall of the first oil tank and the bottom wall of the first oil tank are fixedly connected with the oil separation plate, and the oil separation plate and the side wall of the first oil tank are arranged at an included angle.
As a preferable mode of the hydraulic oil tank, the oil separation plate is higher than a hydraulic oil level in the first oil tank.
As a preferable scheme of the above hydraulic oil tank, the hydraulic oil tank further includes a filter, the filter is disposed in the connecting pipe, and the filter is configured to filter hydraulic oil passing through the connecting pipe.
As a preferable scheme of the above hydraulic oil tank, the hydraulic oil tank further comprises a support plate, the support plate is fixedly arranged on the connecting pipe, and the support plate supports the connecting pipe and the filter.
As a preferable mode of the hydraulic oil tank, the oil return port is located above the second oil tank.
As a preferred scheme of the above hydraulic oil tank, the hydraulic oil tank further comprises an oil return pipe, the oil return pipe is fixedly arranged through the oil return port, one end of the oil return pipe is communicated with a main valve of vehicle engineering, and the other end of the oil return pipe is located at the bottom of the second oil tank.
As a preferable scheme of the hydraulic oil tank, a breather valve is arranged at the top of the first oil tank.
As an optimal scheme of the above hydraulic oil tank, the hydraulic oil tank further comprises a partition board, the partition board is fixedly connected with the second oil tank, the partition board is fixedly connected with the diesel oil tank, and the partition board is located between the second oil tank and the diesel oil tank.
The utility model also provides an engineering vehicle, engineering vehicle includes foretell hydraulic tank.
The utility model has the advantages that:
the utility model provides a hydraulic tank and engineering vehicle, in this hydraulic tank, hydraulic oil flows into first oil tank through the connecting pipe after hydraulic system passes through the oil return opening and flows into the second oil tank, is inhaled hydraulic system cyclic utilization once more from first oil tank through the oil absorption mouth again. Because first oil tank and second oil tank interval set up, the oil absorption opening sets up in first oil tank, the oil return opening sets up in the second oil tank, can lengthen the flow path of hydraulic oil from oil return opening to oil absorption opening, hydraulic oil and first oil tank, the pipe wall of second oil tank and connecting pipe fully contacts, the heat radiating area of hydraulic oil has been increased, the guidance quality that hydraulic oil flows is good, effectively prolong the bubble volatilization time in the hydraulic oil, be favorable to eliminating the bubble in the hydraulic oil tank, and first oil tank inside fixed is equipped with the oil interceptor, the hydraulic oil that gets into first oil tank from first connection mouth just can flow from the oil absorption opening around the oil interceptor along the oil interceptor width direction, greatly increased the flow path of hydraulic oil from oil return opening to oil absorption opening, the defoaming effect has effectively been improved.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic oil tank according to an embodiment of the present invention.
In the figure:
1. a first oil tank; 2. a second oil tank; 3. a connecting pipe; 4. an oil return pipe; 5. a main valve; 6. a gear pump; 7. and (4) a filter.
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.
The utility model provides a hydraulic oil tank, as shown in figure 1, the hydraulic oil tank comprises a first oil tank 1, a second oil tank 2 and a connecting pipe 3, the first oil tank 1 is provided with an oil suction port and a first connecting port, the oil suction port is communicated with an oil inlet of a gear pump 6, and an oil outlet of the gear pump 6 is communicated with a main valve 5 of an engineering vehicle; the second oil tank 2 and the first oil tank 1 are arranged at intervals, the second oil tank 2 is provided with a second connecting port and an oil return port, and the oil return port is communicated with a main valve 5 of the engineering vehicle; two ends of the connecting pipe 3 are respectively communicated with the first connecting port and the second connecting port; an oil separation plate (not shown in the figure) is fixedly arranged inside the first oil tank 1, the oil separation plate is located between the oil inlet and the first connecting port, and the oil separation plate is configured to allow hydraulic oil entering the first oil tank 1 from the first connecting port to bypass the oil separation plate along the width direction of the oil separation plate and flow out from the oil inlet.
In the hydraulic oil tank, hydraulic oil flows into the second oil tank 2 from the hydraulic system through an oil return port, then flows into the first oil tank 1 through the connecting pipe 3, and is sucked into the hydraulic system from the first oil tank 1 through an oil suction port by the gear pump 6 for recycling. Because first oil tank 1 and the interval setting of second oil tank 2, the oil absorption mouth sets up in first oil tank 1, the oil return opening sets up in second oil tank 2, can lengthen the flow path of hydraulic oil from oil return opening to oil absorption mouth, hydraulic oil and first oil tank 1, the pipe wall of second oil tank 2 and connecting pipe 3 fully contacts, the heat radiating area of hydraulic oil has been increased, the hydraulic oil flow guidance nature is good, effectively prolong the bubble volatilization time in the hydraulic oil, be favorable to eliminating the bubble in the hydraulic oil tank, and first oil tank 1 is inside to be fixed and to be equipped with the oil interceptor, the hydraulic oil that gets into first oil tank 1 from first connector just can follow the oil absorption mouth around the oil interceptor along the oil interceptor width direction, greatly increased the flow path of hydraulic oil from oil return opening to oil absorption mouth, the effect of defoaming has effectively been improved.
Optionally, a breather valve is arranged at the top of the first oil tank 1. The bubbles in the hydraulic oil tank are volatilized and broken and then discharged through the breather valve, so that the pressure balance in the hydraulic oil tank is ensured.
Optionally, the lateral wall of first oil tank 1 and the diapire of first oil tank 1 all with oil baffle fixed connection, oil baffle and the lateral wall of first oil tank 1 are the contained angle setting. The oil separation plate is obliquely arranged relative to the side wall of the first oil tank 1, and can increase the flow path of the hydraulic oil from the first connecting port to the oil suction port. Preferably, the inclination direction is deviated from the first connection port to the oil suction port, which is advantageous for guiding the hydraulic oil flowing from the first connection port into the first oil tank 1 to the oil suction port.
Optionally, the oil baffle is above the hydraulic oil level in the first oil tank 1. It will be appreciated that the hydraulic fluid level in the first tank 1 is a standard hydraulic fluid level, and when the hydraulic fluid in the first tank 1 reaches the standard hydraulic fluid level, no hydraulic fluid will be injected into the first tank 1. Because the oil separation plate is higher than the hydraulic oil surface, hydraulic oil can not flow from the upper part of the oil separation plate and can only bypass the oil separation plate from the first connecting port along the width direction of the oil separation plate to reach the oil suction port so as to increase the flow path of the hydraulic oil.
Optionally, the hydraulic oil tank further includes a filter 7, the filter 7 is disposed on the connecting pipe 3, and the filter 7 is used for filtering the hydraulic oil passing through the connecting pipe 3. In the prior art, the oil return filter 7 is installed inside the hydraulic oil tank, and the cover plate of the hydraulic oil tank needs to be detached when the oil return filter 7 is replaced. Compare in prior art, in this embodiment, filter 7 is installed in connecting pipe 3 for filter the hydraulic oil that flows into first oil tank 1 from second oil tank 2, it is more convenient when changing filter 7.
Optionally, the hydraulic oil tank further includes a support plate, the support plate is fixedly disposed on the connection pipe 3, and the support plate supports the connection pipe 3 and the filter 7. Optionally, the support plate is fixedly connected with a frame of the engineering vehicle, and the first oil tank 1 and the second oil tank 2 are both fixedly connected with the frame of the engineering vehicle. The support plate can function to protect the connection tube 3 and the filter 7.
Alternatively, the oil return port is located above the second oil tank 2, the second oil tank 2 and the main valve 5 are communicated through an oil return pipe 4, and the oil return pipe 4 passes through the oil return port. The oil return opening is arranged above the second oil tank 2, the distance from the oil return opening to the main valve 5 can be shortened, the oil return pipe 4 is prevented from turning for many times, the layout of the pipelines is optimized, and the situation of oil leakage caused by abrasion between the pipelines is reduced.
Optionally, the hydraulic oil tank further includes an oil return pipe 4, the oil return pipe 4 is fixedly inserted into the oil return port, one end of the oil return pipe 4 is communicated with a main valve 5 of the vehicle engineering, and the other end is located at the bottom of the second oil tank 2. Because the outlet of the oil return pipe 4 is located at the bottom of the second oil tank 2, the hydraulic oil flowing into the second oil tank 2 from the oil return pipe 4 directly flows in from the bottom of the second oil tank 2, that is, the hydraulic oil flowing out from the oil return pipe 4 flows into the second oil tank 2 from the lower part of the hydraulic oil, so that the hydraulic oil flowing into the second oil tank 2 cannot splash out, and air bubbles in the second oil tank 2 can be reduced.
Optionally, the hydraulic oil tank further comprises a partition plate, the partition plate is fixedly connected with the second oil tank 2, the partition plate is fixedly connected with the diesel oil tank, and the partition plate is located between the second oil tank 2 and the diesel oil tank. The second fuel tank 2 and the diesel tank are welded to opposite sides of the partition plate, respectively. The partition plate can insulate heat of the diesel tank and the second tank 2. In other embodiments, the second oil tank 2 may also be separately and independently arranged from a diesel oil tank, the diesel oil tank may be arranged behind the engineering vehicle, and the second oil tank 2 is separately welded and formed and then welded with the frame of the engineering vehicle. The positions of the first oil tank 1, the second oil tank 2 and the diesel oil tank can be set according to actual requirements.
The utility model also provides an engineering vehicle, this engineering vehicle includes foretell hydraulic tank. The work vehicle may be a forklift.
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:
the first oil tank (1) is provided with an oil suction port and a first connecting port, the oil suction port is communicated with an oil inlet of the gear pump (6), and an oil outlet of the gear pump (6) is communicated with a main valve (5) of the engineering vehicle;
the second oil tank (2) and the first oil tank (1) are arranged at intervals, the second oil tank (2) is provided with a second connecting port and an oil return port, and the oil return port is communicated with a main valve (5) of the engineering vehicle;
the two ends of the connecting pipe (3) are respectively communicated with the first connecting port and the second connecting port;
an oil separation plate is fixedly arranged inside the first oil tank (1), the oil separation plate is located between the oil inlet and the first connecting port, and the oil separation plate is configured to allow hydraulic oil entering the first oil tank (1) from the first connecting port to bypass the oil separation plate along the width direction of the oil separation plate and flow out of the oil suction port.
2. The hydraulic oil tank as claimed in claim 1, characterized in that the side wall of the first oil tank (1) and the bottom wall of the first oil tank (1) are both fixedly connected with the oil separation plate, and the oil separation plate and the side wall of the first oil tank (1) are arranged at an included angle.
3. A hydraulic tank according to claim 1, characterised in that the oil baffle is above the hydraulic oil level in the first tank (1).
4. A hydraulic tank as claimed in claim 1, characterized in that it further comprises a filter (7), said filter (7) being arranged at said connection pipe (3), said filter (7) being intended to filter the hydraulic oil passing through said connection pipe (3).
5. A hydraulic tank as claimed in claim 4, characterized in that it further comprises a support plate, which is fixedly arranged to the connection pipe (3), said support plate supporting the connection pipe (3) and the filter (7).
6. A hydraulic tank according to claim 1, characterized in that said oil return is located above said second tank (2).
7. The hydraulic oil tank according to claim 6, characterized in that the hydraulic oil tank further comprises an oil return pipe (4), the oil return pipe (4) is fixedly arranged through the oil return port, one end of the oil return pipe (4) is communicated with a main valve (5) of vehicle engineering, and the other end of the oil return pipe is positioned at the bottom of the second oil tank (2).
8. A hydraulic tank according to any one of claims 1-7, characterized in that the top of the first tank (1) is provided with a breather valve.
9. A hydraulic tank as claimed in any one of claims 1 to 7, characterized in that it further comprises a partition plate fixedly connected to the second tank (2) and to a diesel tank, the partition plate being located between the second tank (2) and the diesel tank.
10. A working vehicle, characterized by comprising a hydraulic tank according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500636.9U CN217481626U (en) | 2022-06-15 | 2022-06-15 | Hydraulic oil tank and engineering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221500636.9U CN217481626U (en) | 2022-06-15 | 2022-06-15 | Hydraulic oil tank and engineering vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217481626U true CN217481626U (en) | 2022-09-23 |
Family
ID=83315902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221500636.9U Active CN217481626U (en) | 2022-06-15 | 2022-06-15 | Hydraulic oil tank and engineering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217481626U (en) |
-
2022
- 2022-06-15 CN CN202221500636.9U patent/CN217481626U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7374001B2 (en) | Fuel cell automobile | |
| CN213026246U (en) | Heat exchange liquid cooling plate structure | |
| US9714601B2 (en) | Vertical-flow type heat exchanger having a baffle plate | |
| CN217481626U (en) | Hydraulic oil tank and engineering vehicle | |
| CN115210462A (en) | Engine | |
| JP5390812B2 (en) | Radiator | |
| CN213598064U (en) | Engine cooling system, gas-liquid separator thereof and vehicle | |
| CN205477896U (en) | Novel high -efficient radiator | |
| CN218669983U (en) | Hydraulic oil tank | |
| CN210337564U (en) | High heat dissipation water tank structure connected to forklift frame | |
| CN109441617A (en) | A kind of low position type expansion water tank device | |
| CN212298114U (en) | Pipeline connection structure and battery package water cooling system | |
| CN204619528U (en) | A kind of pure electric coach cooling system degassing and filtration device | |
| JP2014214619A (en) | Engine cooling device | |
| CA1091112A (en) | Radiator top tank with plural sump lines | |
| CN219197456U (en) | Expansion tank of anti air inlet | |
| CN216922653U (en) | Split hydraulic oil tank | |
| CN217713124U (en) | Hydraulic oil tank and engineering truck | |
| JP2008240697A (en) | Fuel supply device | |
| CN217589023U (en) | Air filtering system of hydrogen fuel cell forklift | |
| CN218093659U (en) | Independent oil tank system and concrete pump truck | |
| CN221221010U (en) | Hydraulic circuit for supplying oil to hydraulic system of injection molding machine | |
| CN219974974U (en) | Hydraulic oil tank | |
| CN217300742U (en) | Saddle-shaped oil tank double-oil-pump oil supply system and vehicle | |
| CN215170465U (en) | Novel aluminum seat structure of diesel filter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |