CN210738960U - Semi-closed oil tank of hydraulic system - Google Patents
Semi-closed oil tank of hydraulic system Download PDFInfo
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- CN210738960U CN210738960U CN201921605224.XU CN201921605224U CN210738960U CN 210738960 U CN210738960 U CN 210738960U CN 201921605224 U CN201921605224 U CN 201921605224U CN 210738960 U CN210738960 U CN 210738960U
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Abstract
The utility model discloses a hydraulic system semi-closed oil tank, including the main tank that is equipped with main tank oil drain pipe, main tank fluid is equipped with in the main tank, the main tank is equipped with the oil absorption pipe of connecting the oil pump, the oil inlet end of oil pump end through high pressure fuel pipe connection control valve, two of control valve through two control oil pipe one-in one-out connection action execution unit receive the oil drain port, inside the oil return end of control valve passed through back oil pipe connection main tank, be equipped with main tank on the main tank and mend oil pipe and mend the oil valve, the other bellytank that sets up of main tank, be equipped with the air vent between main tank and the bellytank, be equipped with a box of taking the telescopic bracket who opens a plurality of through-holes in the bellytank fluid, the box is connected the outer air cap of bellyt. The utility model discloses can solve current hydraulic system oil tank and can not compromise simultaneously and carry out the gas exchange and the problem of non-staining main tank fluid with external atmosphere.
Description
Technical Field
The utility model belongs to the technical field of hydraulic system makes the technique and specifically relates to an oil tank for hydraulic system.
Background
The existing hydraulic system oil tank mainly comprises a hydraulic system open oil tank and a hydraulic system closed oil tank, and the two hydraulic system oil tanks have the defects of being large and cannot be widely applied in special environments such as high dust and the like.
The closed oil tank of the existing hydraulic system comprises a main oil tank, wherein the bottom of the main oil tank is provided with an oil discharge pipe of the main oil tank and an oil discharge valve, main oil tank oil is filled in the main oil tank, an oil suction pipe with one end extending below the liquid level of the main oil tank oil and the other end connected with the oil suction end of an oil pump is arranged in the main oil tank, the oil discharge end of the oil pump is connected with the oil inlet end of a control valve through a high-pressure oil pipe, two control oil ends of the control valve are connected with two oil discharge ports of an action execution unit through two control oil pipes in an inlet and outlet mode, the oil return end of the control valve is connected with the inside of the main oil tank through an oil return pipe, and the main oil tank is provided with a main oil tank oil supply pipe and an oil supply valve. The action execution unit cannot get a complete action or even a failure.
The open oil tank of current hydraulic system increases on the main tank of current hydraulic system closed oil tank and sets up an air cleaner, because air cleaner can carry out gas exchange with external atmosphere, therefore solved the suppressing pressure problem in the main tank, nevertheless because of current air cleaner process technology restriction, filtration efficiency is low, and the main tank inhales in the air is difficult to avoid the impurity dust in the air to take into the main tank along with gaseous exchange, pollutes main tank fluid.
Disclosure of Invention
The utility model aims to solve the problem that a hydraulic system semi-closed oil tank is provided to solve current hydraulic system oil tank and can not compromise simultaneously and carry out the problem that gas exchange and non-staining main tank fluid with external atmosphere.
In order to solve the above problem, the technical scheme of the utility model is that: the semi-closed oil tank of the hydraulic system comprises a main oil tank provided with a main oil tank oil discharge pipe and an oil discharge valve, wherein main oil tank oil is arranged in the main oil tank, an oil suction pipe with one end extending below the liquid level of the main oil tank oil and the other end connected with an oil suction end of an oil pump is arranged in the main oil tank, the oil discharge end of the oil pump is connected with an oil inlet end of a control valve through a high-pressure oil pipe, two control oil ends of the control valve are connected with two oil receiving and discharging ports of an action execution unit through two control oil pipes in an inlet-outlet mode, the oil return end of the control valve is connected with the inside of the main oil tank through an oil return pipe, a main oil tank oil supplementing pipe and an oil supplementing valve are arranged on the main oil tank, an auxiliary oil tank filled with auxiliary oil tank oil is arranged beside the main oil tank through a partition plate, vent holes are formed in the positions of, the tank body is connected with an air cap outside the auxiliary oil tank, and a telescopic support is arranged below the tank body; the top of the main oil tank is provided with a one-way valve, and the bottom of the auxiliary oil tank is provided with an auxiliary oil tank oil discharge pipe and an oil discharge valve.
In the above technical solution, a more specific solution may be: the liquid level height of the oil in the auxiliary oil tank is 30% -70% of the height in the auxiliary oil tank.
Further: the liquid level height of the oil in the main oil tank is 60% -90% of the height in the main oil tank.
Further: the box body is connected with the air cap through a hose.
Further: the lower end of the air cap is connected with the upper end of the hose through a hard conduit.
Further: the telescopic support is a tripod, and three support legs of the tripod are mutually nested and telescopic.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
the semi-closed oil tank of the hydraulic system adopts a main oil tank structure and an auxiliary oil tank structure, the upper parts of the main oil tank and the auxiliary oil tank are communicated through a vent hole, the main oil tank is not in direct contact with the atmosphere and is responsible for normal oil supply and control of the hydraulic system, air is isolated through a liquid seal formed by oil in the auxiliary oil tank, meanwhile, when positive pressure is generated in the main oil tank, positive pressure is eliminated through direct exhaust of a one-way valve, external air is sucked through an air cap when negative pressure is generated, the external air enters the tank body through a hard conduit and a hose, the external air in the tank body overflows through a plurality of through holes and is in full mixed contact with the oil in the auxiliary oil tank, clean air is separated out from the oil in the auxiliary oil tank when the; the limit of the oil liquid level position of the main oil tank is the optimal liquid level position for normal work of the main hydraulic system; the liquid level position of the oil in the auxiliary oil tank is defined as the liquid level position which can optimally and effectively absorb the air impurity dust; the telescopic bracket under the tank body can adjust the height of the tank body, and the adjustment of the height position of the tank body can adjust the maximum negative pressure generated by the main oil tank; the air cap can provide air for the auxiliary oil tank, and can be taken down when the oil quantity of the auxiliary oil tank is insufficient, and oil is supplemented for the auxiliary oil tank through the hard conduit and the hose; this hydraulic system semi-closed oil tank solves the production simultaneously well and suppresses the pressure, and action execution unit can not obtain complete action or even trouble and impurity dust and take into the main tank along with gaseous exchange in, pollutes the problem of main tank fluid, convenient to use, the structure is succinct.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
the reference numbers in the figures denote: 1. the oil-gas separator comprises a main oil tank oil discharge pipe and an oil discharge valve, 2, a main oil tank, 3, main oil tank oil, 4, an oil suction pipe, 5, an oil pump, 6, a high-pressure oil pipe, 7, a control valve, 8, a control oil pipe, 9, an action execution unit, 10, a main oil tank oil supplementing pipe and an oil supplementing valve, 11, an oil return pipe, 12, a one-way valve, 13, a vent hole, 14, an air cap, 15, a hard conduit, 16, an auxiliary oil tank, 17, a hose, 18, a tank body, 19, a through hole, 20 auxiliary oil tank oil, 21 auxiliary oil tank oil discharge pipe and oil discharge valve, 22 telescopic supports and 23 partition plates.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
the semi-closed oil tank of the hydraulic system shown in figure 1 comprises a main oil tank 2 provided with a main oil tank oil discharge pipe and an oil discharge valve 1, wherein the main oil tank oil discharge pipe and the oil discharge valve 1 are arranged at the bottom of the main oil tank 2, so that oil discharge is convenient to overhaul. The main oil tank 2 is internally provided with main oil tank oil 3, the main oil tank 2 is internally provided with an oil suction pipe 4, one end of the oil suction pipe extends below the liquid level of the main oil tank oil 3, the other end of the oil suction pipe is connected with the oil suction end of an oil pump 5, the oil outlet end of the oil pump 5 is connected with the oil inlet end of a control valve 7 through a high-pressure oil pipe 6, two control oil ends of the control valve 7 are connected with two oil discharge ports of an action execution unit 9 through two control oil pipes 8 in an inlet-outlet mode, the oil return end of the control valve 7 is connected with the inside of the main oil tank 2 through an oil return pipe 11, the lower end of the oil return pipe 11 extends below the liquid.
The main oil tank 2 is provided with an auxiliary oil tank 16 in which auxiliary oil tank oil 20 is arranged by bypassing a partition plate 23, the partition plate 23 is provided with vent holes 13 at positions above the main oil tank oil 3 and the auxiliary oil tank oil 20, the two areas are separated by a simple structure, and the main oil tank oil 3 and the auxiliary oil tank oil 20 are not communicated with each other; the liquid level height of the main oil tank oil 3 is 60% -90% of the height in the main oil tank 2, the liquid level height of the main oil tank oil 3 is 90% of the height in the main oil tank 2, the liquid level height of the auxiliary oil tank oil 20 is 30% -70% of the height in the auxiliary oil tank 16, the liquid level height of the auxiliary oil tank oil 20 is 70% of the height in the auxiliary oil tank 16, and the limitation of the liquid level position of the main oil tank oil 3 is the optimal liquid level position for the normal work of a main hydraulic system; the level of the reservoir oil 20 is defined as the level that is best for the most efficient absorption of airborne contaminant dust.
A hollow box body 18 with a plurality of through holes 19 is arranged in the auxiliary oil tank oil liquid 20, the box body 18 is connected with an air cap 14 outside the auxiliary oil tank 16, the box body 18 is connected with the air cap 14 through a hose 17, the lower end of the air cap 14 is connected with the upper end of the hose 17 through a hard conduit 15, the air cap 14 can provide air for the auxiliary oil tank 16, the air cap can be taken down when the auxiliary oil tank 16 is lack of oil, and the auxiliary oil tank 16 is replenished with oil through the hard conduit 15 and the hose 17; a telescopic support 22 is arranged below the box body 18, the height position of the box body 18 can be adjusted by using the telescopic support 22, the telescopic support 22 is a tripod, three support legs of the tripod are mutually nested and telescopic support legs, after the telescopic length is adjusted, the tripod can be locked by using locking screws, and the maximum negative pressure generated by the main oil tank 2 can be adjusted by adjusting the height position of the box body 18; the bottom of the auxiliary oil tank 16 is provided with an auxiliary oil tank oil discharge pipe and an oil discharge valve 21 for maintenance and oil discharge.
The semi-closed oil tank of the hydraulic system adopts a main oil tank structure and an auxiliary oil tank structure, the upper parts of the main oil tank and the auxiliary oil tank are communicated through a vent hole 13, the main oil tank 2 is not in direct contact with the atmosphere and is responsible for normal oil supply and control of the hydraulic system, air is isolated through a liquid seal formed by auxiliary oil tank oil liquid 20 in an auxiliary oil tank 16, when positive pressure is generated inside the main oil tank 2, positive pressure is eliminated through direct exhaust of a check valve 12, external air is sucked through an air cap 14 when negative pressure is generated, the external air enters a tank body 18 through a hard conduit 15 and a hose 17, external air overflows from the tank body 18 through a plurality of through holes 19 and is fully mixed and contacted with the auxiliary oil tank oil liquid 20, dust in the air absorbed by the auxiliary oil liquid 20 is simultaneously separated out of clean air and is supplied to the main oil tank 2 through the vent hole 13, negative pressure in, the action execution unit 9 can not obtain complete action, and the impurity dust is brought into the main oil tank 2 along with the exchange of gas to pollute the oil liquid in the main oil tank, so that the device is convenient to use and simple in structure.
Claims (6)
1. The utility model provides a hydraulic system semi-closed oil tank, is including the main tank that is equipped with main tank oil drain pipe and oil drain valve, main tank fluid is equipped with in the main tank, be equipped with one end in the main tank stretch in the oil pipe of oil pump oil absorption end is connected to the other end under the main tank fluid liquid level, the oil feed end of oil pump end through high-pressure oil pipe connection control valve, two control oil ends of control valve are connected two of action execution unit through two control oil pipe one-in-one-out and are received the oil drain port, inside the oil return end of control valve passes through oil return pipe connection main tank, be equipped with main tank on the main tank and mend oil pipe and mend oil valve, its characterized in that: an auxiliary oil tank filled with auxiliary oil tank oil is arranged beside the main oil tank through a partition plate, vent holes are formed in the partition plate above the main oil tank oil and the auxiliary oil tank oil, a hollow tank body provided with a plurality of through holes is arranged in the auxiliary oil tank oil, the tank body is connected with an air cap outside the auxiliary oil tank, and a telescopic support is arranged below the tank body; the top of the main oil tank is provided with a one-way valve, and the bottom of the auxiliary oil tank is provided with an auxiliary oil tank oil discharge pipe and an oil discharge valve.
2. The semi-closed oil tank of the hydraulic system according to claim 1, characterized in that: the liquid level height of the oil in the auxiliary oil tank is 30% -70% of the height in the auxiliary oil tank.
3. The semi-closed oil tank of a hydraulic system according to claim 1 or 2, characterized in that: the liquid level height of the oil in the main oil tank is 60% -90% of the height in the main oil tank.
4. The semi-closed oil tank of the hydraulic system according to claim 3, characterized in that: the box body is connected with the air cap through a hose.
5. The semi-closed oil tank of the hydraulic system as claimed in claim 4, wherein: the lower end of the air cap is connected with the upper end of the hose through a hard conduit.
6. The semi-closed oil tank of the hydraulic system according to claim 5, characterized in that: the telescopic support is a tripod, and three support legs of the tripod are mutually nested and telescopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605224.XU CN210738960U (en) | 2019-09-25 | 2019-09-25 | Semi-closed oil tank of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921605224.XU CN210738960U (en) | 2019-09-25 | 2019-09-25 | Semi-closed oil tank of hydraulic system |
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| Publication Number | Publication Date |
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| CN210738960U true CN210738960U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921605224.XU Active CN210738960U (en) | 2019-09-25 | 2019-09-25 | Semi-closed oil tank of hydraulic system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513338A (en) * | 2019-09-25 | 2019-11-29 | 柳州钢铁股份有限公司 | The half-closed fuel tank of hydraulic system |
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2019
- 2019-09-25 CN CN201921605224.XU patent/CN210738960U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513338A (en) * | 2019-09-25 | 2019-11-29 | 柳州钢铁股份有限公司 | The half-closed fuel tank of hydraulic system |
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