CN209761923U - Oil-immersed hydraulic system - Google Patents
Oil-immersed hydraulic system Download PDFInfo
- Publication number
- CN209761923U CN209761923U CN201822269031.3U CN201822269031U CN209761923U CN 209761923 U CN209761923 U CN 209761923U CN 201822269031 U CN201822269031 U CN 201822269031U CN 209761923 U CN209761923 U CN 209761923U
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- Prior art keywords
- pressure
- oil
- oil tank
- valve
- temperature
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- Expired - Fee Related
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- 230000001105 regulatory effect Effects 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000010521 absorption reaction Methods 0.000 claims abstract description 18
- 238000007654 immersion Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 87
- 239000010720 hydraulic oil Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses an oil immersion type hydraulic system, which comprises a valve group box, a power assembly, a pressure compensator A and a watertight plug connector; the power assembly is arranged in the oil tank, and the pressure compensator A and the watertight connector clip A are respectively arranged in a through hole on the oil tank; the oil tank and the valve group box are respectively provided with an oil return interface and a pressure interface which are correspondingly connected; the power assembly comprises a variable pump, a safety valve, a check one-way valve, a high-pressure filter, an oil absorption filter, a pressure sensor, a temperature and humidity sensor A, an electric proportional pressure regulating valve and a motor; the motor provides power for the variable pump; the variable pump is respectively connected with the oil absorption filter, the safety valve, the check one-way valve and the electric proportional pressure regulating valve; the pressure sensor is used for detecting the pressure in the oil tank in real time; the temperature and humidity sensor A is used for detecting the conductivity of water at the bottom of the oil tank and the temperature in the oil tank; the high-pressure filter, the oil absorption filter, the pressure sensor, the temperature and humidity sensor A, the electric proportional pressure regulating valve and the motor are respectively connected with the control unit through watertight connectors.
Description
Technical Field
The utility model relates to a hydraulic system, concretely relates to oil immerses formula hydraulic system.
Background
The hydraulic system comprises a hydraulic source and a valve group arranged between the hydraulic source and a load end, wherein the hydraulic source comprises a power source and valve components such as a pressure regulating valve and a safety valve for controlling the power source; the conventional underwater hydraulic system adopts a submersible motor and a hydraulic pump to form an independent power source, an underwater hydraulic source formed by the power source is divided into two types, one type is a closed underwater hydraulic source: the independent power source is arranged in the oil tank as a whole, valve components such as a pressure regulating valve, a safety valve and the like are arranged in the independent valve tank, and the independent valve tank is connected with the integrated structure of the independent power source and the oil tank through an oil way; another open type underwater hydraulic source: the independent power source and the oil tank are separately installed and connected through oil paths, valve assemblies such as a pressure regulating valve and a safety valve are arranged in the independent valve box, and the independent valve box is connected with the independent power source and the oil tank through the oil paths respectively. However, these two hydraulic sources need to be separately provided with independent valve boxes for placing valve components such as pressure regulating valves and safety valves, and need to be connected through many pipelines, resulting in many leakage points.
The valve group box is used for connecting an external load, but the conventional valve group box is a dry valve group box, and an oil return pipeline between the valve group box and a hydraulic source needs to be separately collected into the oil return pipeline of the hydraulic source, so that a connecting pipeline needs to be further increased, and more leakage points are caused.
Under water, a hydraulic source and a valve group box are placed in a closed box, but oil return pipelines of the hydraulic source and the valve group box are more and need to be gathered together, so that the closed box has large required volume and complex structure installation, and meanwhile, the sealing among a plurality of boxes is difficult.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an oil immersion type hydraulic system can reduce the installation oil return line with the valve member integration in power supply and valve box in the oil tank, saves space, and all connection kneck seal, are favorable to increasing the leakproofness.
The technical scheme of the utility model is that: an oil immersion type hydraulic system comprises a hydraulic source and a valve group box, wherein the hydraulic source comprises a power assembly, a pressure compensator A and a watertight connector;
The power assembly is arranged in the oil tank, and the pressure compensator A and the watertight connector clip A are respectively arranged in a through hole which is communicated with the inside of the oil tank on the oil tank;
the oil tank and the valve group box are respectively provided with an oil return interface and a pressure interface, and the oil return interface and the pressure interface of the oil tank are correspondingly connected with the oil return interface and the pressure interface of the valve group box;
The power assembly comprises a variable pump, a safety valve, a check one-way valve, a high-pressure filter, an oil absorption filter, a pressure sensor, a temperature and humidity sensor A, an electric proportional pressure regulating valve and a motor;
The motor provides power for the variable pump;
The inlet end of the variable pump is connected with an oil absorption filter through a pipeline, and the oil absorption filter is arranged on the wall of the inner tank of the oil tank; the outlet end of the variable pump is divided into two parallel pipelines which are respectively connected with a safety valve and a check one-way valve, the other end of the check one-way valve is connected with a high-pressure filter through a pipeline, and the high-pressure filter is communicated with a pressure interface of an oil tank through a pipeline; the pressure regulating port of the variable pump is connected with the electric proportional pressure regulating valve through a pipeline;
The pressure sensor is used for detecting the pressure in the oil tank in real time; the temperature and humidity sensor A is used for detecting the conductivity of water at the bottom of the oil tank and the temperature in the oil tank;
The high-pressure filter, the oil absorption filter, the pressure sensor, the temperature and humidity sensor A, the electric proportional pressure regulating valve and the motor are electrically connected with an external control unit through watertight connectors respectively.
as a preferred scheme of the utility model, the valve unit case is including setting up at inside temperature and humidity sensor B and the multichannel valves of box and setting up pressure compensator B and the watertight plug connector B on the box, and the multichannel valves is fixed in the bottom half, sets up more than one mounting hole on it, and disk seat and temperature and humidity sensor B install respectively in the mounting hole, and the mounting hole of connecting the disk seat link up with the box wall of valve unit case, and the disk seat stretches out the valve unit incasement portion and is connected with the load, temperature and humidity sensor B is used for detecting the conductivity of valve unit bottom of the case portion water and the interior temperature of valves incasement.
As an optimized scheme of the utility model, in pressure compensator A and watertight plug connector A difference threaded connection's the through-hole on the oil tank.
as an optimized scheme of the utility model, between oil return interface and pressure interface and the oil tank, between oil return interface and pressure interface and the valve train case, between pressure compensator A and the oil tank and between watertight plug connector and the oil tank all seal through the sealing washer.
as an optimized scheme of the utility model, the mounting hole junction on disk seat and the valve train case is sealed through the sealing washer.
As a preferred scheme of the utility model, the oil tank adopts stainless steel or aluminium anodic oxidation material.
Has the advantages that:
(1) The hydraulic system adopts the hydraulic source integrating the power source and the oil tank and then combines the hydraulic source with the valve group box, the oil tank can directly supply oil for the power source in the hydraulic source, and the return oil can directly flow back to the oil tank without an additional oil return pipeline;
the variable pump, the safety valve, the check one-way valve, the high-pressure filter, the oil absorption filter, the pressure sensor, the temperature and humidity sensor A, the electric proportional pressure regulating valve, the motor and other parts can be directly arranged in the oil tank and soaked in the hydraulic oil; the valve group box is communicated with an oil tank of a hydraulic source through an oil port and a pressure interface, return oil can be stored in the valve group box, and the temperature and humidity sensor B and the multi-way valve group can be directly arranged in the valve group box and soaked in hydraulic oil;
The temperature and humidity sensor A and the temperature and humidity sensor B are respectively arranged at the bottom of the oil tank and the valve group box, probes of the temperature and humidity sensor A and the temperature and humidity sensor B can detect the conductivity of water, when water permeates, the water sinks into the bottom of the tank because the density of the water is greater than that of hydraulic oil, when the water sinking into the bottom of the tank reaches a set setting amount, the temperature and humidity sensor A and the temperature and humidity sensor B feed signals back to an external control unit, and the control unit controls the oil tank or the valve group box to drain water, so that damage to a hydraulic element is prevented.
(2) In the invention, the box body of the hydraulic source and the joint of the valve group box and the external part are sealed by the sealing rings, thereby effectively ensuring the sealing property of the hydraulic system.
Drawings
Fig. 1 is a schematic diagram of the hydraulic system of the present invention.
Fig. 2 is a schematic diagram of a hydraulic source of the hydraulic system of the present invention.
Fig. 3 is a front view of the hydraulic source of the hydraulic system of the present invention.
fig. 4 is a left side view of the hydraulic source of the hydraulic system of the present invention.
Fig. 5 is a front view of the valve assembly box of the hydraulic system of the present invention.
Fig. 6 is a left side view of the valve assembly box of the hydraulic system of the present invention.
wherein, 1-a pressure compensator A, 2-a variable pump, 3-a safety valve, 4-a check one-way valve, 5-a high-pressure filter, 6-an oil absorption filter, 7-a pressure sensor, 8-a temperature and humidity sensor A, 9-an electric proportional pressure regulating valve, 10-a motor, 11-a watertight connector A, 12-a multi-way valve group, 13-a temperature and humidity sensor B, 14-a pressure compensator B, 15-a watertight connector B
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
this embodiment provides an oily formula hydraulic system that steeps, can be with the power supply and independent valve integration in the case for power pack installs in the oil tank, reduce the installation and return oil pipe way, save space, it is sealed through the watertight plug connector, be favorable to increasing the leakproofness.
As shown in fig. 1, the hydraulic system comprises a hydraulic source and a valve group box, wherein the hydraulic source comprises a power assembly, a pressure compensator 1 and a watertight connector A11, the power assembly is arranged in an oil tank and can be soaked in oil, the pressure compensator 1 and the watertight connector A11 are respectively in threaded connection with a through hole which is communicated with the inside of the oil tank on the oil tank, and the connection part is sealed by a sealing ring;
The oil tank and the valve group box are respectively provided with an oil return interface (T) and a pressure interface (P), the oil return interface and the pressure interface of the oil tank are correspondingly connected with the oil return interface and the pressure interface of the valve group box, and each interface is sealed by a sealing ring; wherein, the oil tank is made of stainless steel or aluminum anode oxidation material; the pressure compensator 1 is used as a pressure compensation component of a hydraulic source under water, and pressure balance between the inside and the outside of an oil tank is ensured.
As shown in fig. 2-4, the power assembly comprises a variable pump 2, a safety valve 3, a check one-way valve 4, a high-pressure filter 5, an oil suction filter 6, a pressure sensor 7, a temperature and humidity sensor A8, an electric proportional pressure regulating valve 9 and a motor 10;
The motor 10 provides power for the variable pump 2; the outlet end (end B) of the variable pump 2 is divided into two parallel pipelines which are respectively connected with a safety valve 3 and a check one-way valve 4, the other end of the safety valve 3 is suspended, the other end of the check one-way valve 4 is connected with a high-pressure filter 5 through a pipeline, and the high-pressure filter 5 is communicated with a pressure interface of an oil tank through a pipeline; the pressure regulating port (X port) of the variable pump 2 is connected with the electric proportional pressure regulating valve 9 through a pipeline; the safety valve 3 is used for protecting the safety of a pipeline and a hydraulic element in a hydraulic source, a preset pressure value is arranged in the safety valve 3, when the electric proportional pressure regulating valve 9 fails, the pressure values of the pipeline and the hydraulic element in the hydraulic source exceed the preset value of the safety valve 3, and the suspension end of the safety valve 3 relieves the pressure of hydraulic oil in the pipeline and enters an oil tank, so that the pressures in the pipeline and the oil tank are balanced;
The check valve 4 is used to prevent the hydraulic oil flowing from the variable displacement pump 2 to the high pressure filter 5 from flowing back;
the high-pressure filter 5, the oil absorption filter 6, the pressure sensor 7, the temperature and humidity sensor A8, the electric proportional pressure regulating valve 9 and the motor 10 are respectively and electrically connected with an external control unit through a watertight connector 11, and the control unit is used for controlling the high-pressure filter 5, the oil absorption filter 6, the pressure sensor 7, the temperature and humidity sensor A8, the electric proportional pressure regulating valve 9 and the motor 10 to act or receiving signals fed back by the high-pressure filter 5, the oil absorption filter 6, the pressure sensor 7, the temperature and humidity sensor A8, the electric proportional pressure regulating valve 9 and the motor 10;
the inlet end (S end) of the variable pump 2 is connected with an oil absorption filter 6 through a pipeline, and the oil absorption filter 6 is arranged on the wall of the inner tank of the oil tank and used for absorbing impurities and preventing the inlet of the variable pump 2 from being blocked; the pressure sensor 7 is fixed in the oil tank and used for detecting the pressure in the oil tank in real time; the temperature and humidity sensor A8 is arranged at the bottom of the oil tank, a probe of the temperature and humidity sensor A8 is used for detecting the conductivity of water at the bottom of the oil tank and the temperature in the oil tank, when water permeates into the oil tank, the water sinks into the bottom of the oil tank because the density of the water is greater than that of hydraulic oil, when the water sinking into the bottom of the oil tank reaches a set value or the temperature in the oil tank reaches a set value, the temperature and humidity sensor A8 feeds back a signal to an external control unit, and the control unit controls the drainage or cooling of the oil tank to prevent a hydraulic; the electric proportional pressure regulating valve 9 is used for regulating the pressure balance in the oil tank and the pipeline of the motor.
As shown in fig. 5-6, the valve group box includes a temperature and humidity sensor B13 and a multi-way valve group 12 which are arranged inside the box body, and a pressure compensator B14 and a watertight connector B15 which are arranged on the box body, the multi-way valve group 12 is fixed inside the box body, and is provided with more than one mounting hole, the valve seat and the temperature and humidity sensor B13 are respectively mounted in the mounting holes, the mounting hole for connecting the valve seat is communicated with the wall surface of the box body of the valve group box, the valve seat extends out of the valve group box to be connected with a load, and the valve seat is sealed by a sealing ring after being connected with.
The temperature and humidity sensors B13 are provided with probes for detecting the conductivity of water and the temperature in the valve group box, the temperature and humidity sensor B13 is connected with an external control unit, when water permeates into the valve group box, because the density of the water is greater than that of hydraulic oil, the water sinks to the bottom of the box, when the water sinking to the bottom of the box reaches a set setting amount or the temperature in the valve group box reaches a set value, the temperature and humidity sensor B13 feeds back signals to the external control unit, and the control unit controls the valve group box to drain or cool, so that the damage to internal elements of the valve group box is prevented.
the purpose of separately designing the hydraulic source and the valve group box is to reduce the volume of the hydraulic source and is beneficial to miniaturization.
in summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. an oil-immersed hydraulic system comprises a hydraulic source and a valve group box, and is characterized in that the hydraulic source comprises a power assembly, a pressure compensator A (1) and a watertight connector clip A (11);
the power assembly is arranged in the oil tank, and the pressure compensator A (1) and the watertight connector clip A (11) are respectively arranged in a through hole which is communicated with the inside of the oil tank on the oil tank;
The oil tank and the valve group box are respectively provided with an oil return interface and a pressure interface, and the oil return interface and the pressure interface of the oil tank are correspondingly connected with the oil return interface and the pressure interface of the valve group box;
The power assembly comprises a variable pump (2), a safety valve (3), a check one-way valve (4), a high-pressure filter (5), an oil absorption filter (6), a pressure sensor (7), a temperature and humidity sensor A (8), an electric proportional pressure regulating valve (9) and a motor (10);
the motor (10) provides power for the variable pump (2);
The inlet end of the variable pump (2) is connected with an oil absorption filter (6) through a pipeline, and the oil absorption filter (6) is arranged on the wall of the inner part of the oil tank; the outlet end of the variable pump (2) is divided into two parallel pipelines which are respectively connected with a safety valve (3) and a check one-way valve (4), the other end of the check one-way valve (4) is connected with a high-pressure filter (5) through a pipeline, and the high-pressure filter (5) is communicated with a pressure interface of an oil tank through a pipeline; the pressure regulating port of the variable pump (2) is connected with the electric proportional pressure regulating valve (9) through a pipeline;
The pressure sensor (7) is used for detecting the pressure in the oil tank in real time; the temperature and humidity sensor A (8) is used for detecting the conductivity of water at the bottom of the oil tank and the temperature in the oil tank;
The high-pressure filter (5), the oil absorption filter (6), the pressure sensor (7), the temperature and humidity sensor A (8), the electric proportional pressure regulating valve (9) and the motor (10) are electrically connected with an external control unit through a watertight connector A (11) respectively.
2. The oil immersion type hydraulic system according to claim 1, wherein the valve group box comprises a temperature and humidity sensor B (13) and a multi-way valve group (12) which are arranged inside the box body, and a pressure compensator B (14) and a watertight connector clip B (15) which are arranged on the box body, the multi-way valve group (12) is fixed at the bottom of the box body, more than one mounting hole is formed in the multi-way valve group, the valve seat and the temperature and humidity sensor B (13) are respectively mounted in the mounting holes, the mounting hole for connecting the valve seat is communicated with the wall surface of the box body of the valve group box, the valve seat extends out of the valve group box to be connected with a load, and the temperature and humidity sensor B (13) is used for detecting the conductivity of water at the.
3. Oil immersed hydraulic system according to claim 1, wherein the pressure compensator A (1) and the watertight plug connector A (11) are respectively screwed into a through hole on the oil tank.
4. The oil-immersed hydraulic system according to claim 1, wherein the oil return port and the pressure port are sealed with the oil tank, the oil return port and the pressure port are sealed with the valve assembly box, the pressure compensator A (1) is sealed with the oil tank, and the watertight connector A (11) is sealed with the oil tank.
5. The oil immersed hydraulic system of claim 2, wherein the joint of the valve seat and the mounting hole on the valve stack box is sealed by a sealing ring.
6. The oil immersed hydraulic system according to claim 1, wherein the oil tank is made of stainless steel or aluminum anodized material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269031.3U CN209761923U (en) | 2018-12-29 | 2018-12-29 | Oil-immersed hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822269031.3U CN209761923U (en) | 2018-12-29 | 2018-12-29 | Oil-immersed hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209761923U true CN209761923U (en) | 2019-12-10 |
Family
ID=68748143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822269031.3U Expired - Fee Related CN209761923U (en) | 2018-12-29 | 2018-12-29 | Oil-immersed hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209761923U (en) |
-
2018
- 2018-12-29 CN CN201822269031.3U patent/CN209761923U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |