CN207526813U - Electrohydraulic actuator oiling exhaust system - Google Patents
Electrohydraulic actuator oiling exhaust system Download PDFInfo
- Publication number
- CN207526813U CN207526813U CN201721353501.3U CN201721353501U CN207526813U CN 207526813 U CN207526813 U CN 207526813U CN 201721353501 U CN201721353501 U CN 201721353501U CN 207526813 U CN207526813 U CN 207526813U
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- CN
- China
- Prior art keywords
- oil
- filter
- hydraulic
- working connection
- connection block
- 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.)
- Withdrawn - After Issue
Links
- 239000003921 oil Substances 0.000 claims abstract description 167
- 239000002828 fuel tank Substances 0.000 claims abstract description 29
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 20
- 238000000605 extraction Methods 0.000 claims abstract description 13
- 239000000446 fuel Substances 0.000 claims abstract description 12
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 8
- 239000010727 cylinder oil Substances 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
Landscapes
- Fluid-Pressure Circuits (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
The utility model provides a kind of electrohydraulic actuator oiling exhaust system, to solve the problems, such as being how to improve oiling efficiency, main points are：The each oil pocket of oil cylinder sets an oil extraction exhaust outlet；The upper hydraulic fluid port of fuel tank, gear pump, filter, electro-hydraulic actuator pouring orifice, the oil extraction exhaust outlet of oil cylinder and fuel tank oil return opening form closed loop oil circuit；Oil duct of the oil circuit for formation in main oil path block between gear pump and filter；The front half section of oil circuit between filter and electro-hydraulic actuator note is the oil duct formed in working connection block to working connection block oil outlet, second half section fuel lead；Oil circuit between each oil extraction exhaust outlet of oil cylinder and the oil return opening of fuel tank is transparent oil pipe, is one shut-off valve of each setting in each transparent oil pipe；Gear pump and hydraulic oil filter are mounted on working connection block.
Description
Technical field
The utility model is related to a kind of electrohydraulic actuators, specifically electrohydraulic actuator oiling exhaust system.
Background technology
The electrohydraulic actuator being made of drive cylinder 3 and integrating electro-hydraulic actuator 4（Referring to CN 204226323
U）, it is an oil system closed.In manufacture and maintenance process, to such oil system oiling, it is impossible to as giving open system
Oiling is such, and with fuel charger or directly fluid is poured into fuel tank.Due to the suction inlet that is pumped in the closed system, there are pressure,
Fluid is injected into system, the air in system is needed to eject, and needs are repeatedly reciprocal, could complete.It uses at present
Method be to give system oiling with grease gun, but this mode has the following problems：It is that working efficiency is low first, oil injecting speed
It is only per second to note several milliliters of oil；Secondly grease gun is when loading hydraulic oil, fluid easily by environmental pollution, pollute object into
Enter system, make system element bite, and contaminated fluid easily blocks pouring orifice, and then maloperation occurs.
Invention content
In order to solve the above technical problems, the purpose of this utility model is to provide a kind of electrohydraulic actuator oiling exhaust system
System.
What the purpose of this utility model was realized in：It includes what is be made of drive cylinder and integrating electro-hydraulic actuator
Electrohydraulic actuator, it is characterized in that：Drive cylinder has two oil pockets in left and right, and each oil pocket sets an oil extraction exhaust outlet；Fuel tank
Upper hydraulic fluid port, gear pump, hydraulic oil filter, integrating electro-hydraulic actuator pouring orifice, drive cylinder oil extraction exhaust outlet and fuel tank
Oil return opening form closed loop oil circuit；Wherein, the oil circuit between the upper hydraulic fluid port of fuel tank and gear pump is inserted into for the fuel sucking pipe of gear pump
In fuel tank；First segment main oil gallery of the oil circuit for formation in main oil path block between gear pump and hydraulic oil filter；Hydraulic oil mistake
Second segment master of the front half section oil circuit of oil circuit between filter and integrating electro-hydraulic actuator pouring orifice for formation in main oil path block
Oil duct to working connection block oil outlet, second half section oil circuit be the pouring orifice of working connection block oil outlet and integrated form electro-hydraulic actuator it
Between the fuel lead that sets；Oil circuit between each oil extraction exhaust outlet of drive cylinder and the oil return opening of fuel tank is transparent oil pipe,
Each transparent oil pipe is one shut-off valve of each setting；Gear pump and hydraulic oil filter are mounted on working connection block.
Oiling exhaust process is：It is vented to the oiling of oil cylinder left chamber, 1. closes the shut-off valve on the transparent oil pipe of right chamber, opened left
Shut-off valve on the transparent oil pipe of chamber；2. starting motor, gear pump, the fluid in fuel tank is after fuel sucking pipe and gear pump boosting, pump
The main oil gallery in oil path block is become owner of, is entered successively by hydraulic oil filter to working connection block oil outlet using fuel lead
The pouring orifice of integrating electro-hydraulic actuator；3. starting integrating electro-hydraulic actuator, it is moved to the left drive cylinder piston, oil cylinder is left
The air and fluid of chamber flow back to fuel tank through the transparent oil pipe of left chamber, complete primary exhaust, while the oil of fuel tank ensures by filter
Into electro-hydraulic actuator fluid it is clean.
It is vented again to right cavity of cylinder oiling, closes the shut-off valve on the transparent oil pipe of left chamber, opened on the transparent oil pipe of right chamber
Shut-off valve；It repeats the above steps 2.；3. starting integrating electro-hydraulic actuator, drive cylinder piston is made to move right, right cavity of cylinder
Air and fluid flow back to fuel tank through the transparent oil pipe of right chamber, complete secondary exhaust.
It repeats the above process, whether observation transparent pipe contains bubble during oil extraction, if without bubble, shows to integrate
Type electro-hydraulic actuator oiling exhaust work terminates.By regulating valve, ensure that the pressure oil into integrating electro-hydraulic actuator does not surpass
Pressure.
Compared with prior art, the good effect of the utility model is：1. working efficiency is high.Oiling efficiency is per second can note three
Ten milliliters of hydraulic oil；2. stain resistance is strong.Hydraulic oil filter can effectively resist oil contamination caused by extraneous factor；3. from
Dynamicization degree is high.Integrate oiling, filtering and degassing function, equipment only needs to switch after starting；4. due to the use of working connection
Block, it is compact-sized, it is easy to carry.
Description of the drawings
The utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the schematic diagram of the utility model.
Fig. 2 is the enlarged drawing of the hydraulic oil filter 9 in Fig. 1.
Specific embodiment
Referring to Fig. 1, it includes the electrohydraulic actuator being made of drive cylinder 12 and integrating electro-hydraulic actuator 11, driving
Oil cylinder 12 has two oil pockets in left and right, left oil pocket setting left bank oil exhaust outlet B1, and right oil pocket sets right oil extraction exhaust outlet B2；Fuel tank 18
Upper hydraulic fluid port P0, gear pump 20, hydraulic oil filter 9, integrating electro-hydraulic actuator pouring orifice P1, drive cylinder oil extraction exhaust
The oil return inlet T 1 of mouth B1, B2 and fuel tank, T2 form closed loop oil circuit；Oil circuit between the upper hydraulic fluid port and gear pump of fuel tank is gear pump
Fuel sucking pipe 19 be inserted into fuel tank in；First segment of the oil circuit for formation in main oil path block 6 between gear pump and hydraulic oil filter
Main oil gallery 8.1, hydraulic oil filter and gear pump are separately mounted to above working connection block and following；Hydraulic oil filter sum aggregate
It is molded second segment main oil gallery 8.2 of the front half section oil circuit of the oil circuit between electro-hydraulic actuator pouring orifice P1 for formation in main oil path block
To working connection block oil outlet P, second half section oil circuit is between the pouring orifice of working connection block oil outlet and integrated form electro-hydraulic actuator
The fuel lead 10 of setting；
Referring to Fig. 2, the hydraulic oil filter 9 refers to, filter core 9.3 and with oil channel 9.6 and oil discharge passage 9.4
Filter oil path block 9.5 is sequentially arranged in sleeve 9.1, and the space between filter core and sleeve is hydraulic oil filter oil input channel
9.2, by the reverse mounted oil discharge passage 9.4 on the upper surface of working connection block, filter oil path block 9.5 of sleeve and second segment master
The linking of oil duct 8.2 connects, and the channel 9.6 that oils on filter oil path block is connected connection with first segment main oil gallery 8.1；
Oil circuit between drive cylinder left chamber oil exhaust outlet B1 and the oil return inlet T 1 of fuel tank is left chamber transparent pipe 13, in left chamber
Left shut-off valve 16 is set on transparent pipe；Oil circuit between drive cylinder right chamber oil exhaust outlet B2 and the oil return inlet T 2 of fuel tank is right chamber
Transparent pipe 14 sets right shut-off valve 15 on right chamber transparent pipe.
Referring to Fig. 1, in order to ensure entering the pressure oil of electro-hydraulic actuator not superpressure, regulating valve 7 is set to adjust in systems
Oil pressure, specifically, regulating valve are mounted on above working connection block, and oil duct 7.1 on pressure regulator valve is opened on first segment main oil gallery and is led to
Pressure regulator valve oil inlet, setting pressure regulator valve oil discharge passage 7.2 in working connection block, pressure regulator valve oil discharge passage 7.2 is led under working connection block
Pressure regulator valve oil discharge passage 7.2 is inserted into end face, 17 upper end of drain mast, and lower end is inserted into fuel tank.In order to monitor gear pump outlet pressure,
Pressure gauge 4 is set in systems, specifically, opens the left side that pressure gauge oil duct 21 leads to working connection block to the left on first segment main oil gallery
End face, in working connection block left side, installation pressure gauge oil path block 3, pressure gauge 4, pressure are installed in the upper surface of pressure gauge oil path block
Oil duct 5 in table oil path block connects pressure gauge oil duct 21 with pressure gauge oil inlet.
To the oiling of oil cylinder left chamber exhaust method be：1. closing right shut-off valve, left shut-off valve is opened；2. start motor 1, connection
Axis device 2 and gear pump, the fluid in fuel tank is after fuel sucking pipe and gear pump boosting, the main oil gallery that is pumped into working connection block, successively
By hydraulic oil filter to the oil outlet P of working connection block right end face, enter integrating electro-hydraulic using fuel lead and perform
The pouring orifice of device；3. starting integrating electro-hydraulic actuator, it is moved to the left drive cylinder piston, the air and fluid of oil cylinder left chamber
Fuel tank is flow back to through the transparent oil pipe of left chamber, completes primary exhaust.
To right cavity of cylinder oiling exhaust method be：The left shut-off valve on the transparent oil pipe of left chamber is closed, opens right shut-off valve；
It repeats the above steps 2.；3. starting integrating electro-hydraulic actuator, drive cylinder piston is made to move right, the air of right cavity of cylinder and
Fluid flows back to fuel tank through the transparent oil pipe of right chamber, completes secondary exhaust.
It repeats the above process, whether observation transparent pipe contains bubble during oil extraction, if without bubble, shows to integrate
Type electro-hydraulic actuator oiling exhaust work terminates.
Pressure gauge is monitoring gear pump outlet pressure.In above process, pressure gauge is observed at any time, it is more when hydraulic pressure is excessive
Remaining fluid flows back to fuel tank by regulating valve and drain mast successively, it is ensured that into the pressure oil not superpressure of electro-hydraulic actuator.Upper
It is by filtering, to ensure into the clean of the fluid of electro-hydraulic actuator into the oil before electro-hydraulic actuator during stating.
Claims (3)
1. a kind of electrohydraulic actuator oiling exhaust system, it includes the electricity being made of drive cylinder and integrating electro-hydraulic actuator
Liquid executing agency, it is characterized in that：Drive cylinder has two oil pockets in left and right, and each oil pocket sets an oil extraction exhaust outlet；Fuel tank it is upper
Hydraulic fluid port, gear pump, hydraulic oil filter, integrating electro-hydraulic actuator pouring orifice, the oil extraction exhaust outlet of drive cylinder and fuel tank
Oil return opening forms closed loop oil circuit；Wherein, the oil circuit between the upper hydraulic fluid port of fuel tank and gear pump is inserted into oil for the fuel sucking pipe of gear pump
In case；First segment main oil gallery of the oil circuit for formation in main oil path block between gear pump and hydraulic oil filter；Hydraulic oil filtering
The front half section oil circuit of oil circuit between device and integrating electro-hydraulic actuator pouring orifice is the main oil of second segment formed in working connection block
To working connection block oil outlet, second half section oil circuit is between the pouring orifice of working connection block oil outlet and integrated form electro-hydraulic actuator in road
The fuel lead of setting；Oil circuit between each oil extraction exhaust outlet of drive cylinder and the oil return opening of fuel tank is transparent oil pipe, every
A transparent oil pipe is one shut-off valve of each setting；Gear pump and hydraulic oil filter are mounted on working connection block.
2. electrohydraulic actuator oiling exhaust system described in accordance with the claim 1, it is characterized in that：The hydraulic oil filter is
Refer to, filter core and the filter oil path block with oil channel and oil discharge passage are sequentially arranged in sleeve, between filter core and sleeve
Space for hydraulic oil filter oil input channel, sleeve is reverse mounted on the upper surface of working connection block, filter oil path block
Oil discharge passage is connected connection with second segment main oil gallery, and the channel that oils on filter oil path block is connected company with first segment main oil gallery
It is logical.
3. according to the electrohydraulic actuator oiling exhaust system described in claims 1 or 2, it is characterized in that：It is provided with regulating valve,
Regulating valve is mounted on above working connection block, and oil duct on pressure regulator valve is opened on first segment main oil gallery and leads to pressure regulator valve oil inlet, main
Pressure regulator valve oil discharge passage is set in oil path block, and pressure regulator valve oil discharge passage leads to working connection block lower face, and drain mast upper end, which is inserted into, adjusts
Pressure valve oil discharge passage, lower end are inserted into fuel tank；It is also provided with pressure gauge, opens pressure gauge oil duct to the left on first segment main oil gallery
The left side of working connection block is led to, pressure gauge oil path block is installed in working connection block left side, in the upper surface of pressure gauge oil path block
Pressure gauge is installed, the oil duct in pressure gauge oil path block connects pressure gauge oil duct with pressure gauge oil inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353501.3U CN207526813U (en) | 2017-10-20 | 2017-10-20 | Electrohydraulic actuator oiling exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721353501.3U CN207526813U (en) | 2017-10-20 | 2017-10-20 | Electrohydraulic actuator oiling exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207526813U true CN207526813U (en) | 2018-06-22 |
Family
ID=62569668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721353501.3U Withdrawn - After Issue CN207526813U (en) | 2017-10-20 | 2017-10-20 | Electrohydraulic actuator oiling exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207526813U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701544A (en) * | 2017-10-20 | 2018-02-16 | 沈阳东北电力调节技术有限公司 | Electrohydraulic actuator oiling gas extraction system |
-
2017
- 2017-10-20 CN CN201721353501.3U patent/CN207526813U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107701544A (en) * | 2017-10-20 | 2018-02-16 | 沈阳东北电力调节技术有限公司 | Electrohydraulic actuator oiling gas extraction system |
| CN107701544B (en) * | 2017-10-20 | 2023-12-12 | 沈阳东北电力调节技术有限公司 | Oiling and exhausting system of electrohydraulic actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: SHENYANG NAISI CONTROL TECHNOLOGY CO.,LTD. Assignor: SHENYANG NORTHEAST ELECTRIC POWER CONTROL Co.,Ltd. Contract record no.: X2023210000146 Denomination of utility model: Electrohydraulic actuator oil injection and exhaust system Granted publication date: 20180622 License type: Common License Record date: 20230927 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20231212 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20231212 |