CN208900805U - A kind of low power consumption Serve Motor Control electrohydraulic actuator - Google Patents
A kind of low power consumption Serve Motor Control electrohydraulic actuator Download PDFInfo
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- CN208900805U CN208900805U CN201821672572.4U CN201821672572U CN208900805U CN 208900805 U CN208900805 U CN 208900805U CN 201821672572 U CN201821672572 U CN 201821672572U CN 208900805 U CN208900805 U CN 208900805U
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- valve
- hydraulic
- solenoid directional
- oil
- directional control
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- 239000003921 oil Substances 0.000 claims abstract description 90
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 31
- 230000002457 bidirectional effect Effects 0.000 claims abstract description 23
- 230000008676 import Effects 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 2
- 230000009471 action Effects 0.000 description 3
- 239000002828 fuel tank Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007659 motor function Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model provides a kind of low power consumption Serve Motor Control electrohydraulic actuator, including small-power servo motor, hydraulic pump, manual pump, control valve, oil cylinder, accumulator and hydraulic oil container, the control valve includes the first overflow valve, the second overflow valve, the first check valve, second one-way valve, the first solenoid directional control valve, the second solenoid directional control valve, third solenoid directional control valve, hand stop valve, adjustable throttling, bidirectional hydraulic lock and pressure sensor.A kind of low power consumption Serve Motor Control electrohydraulic actuator, utilize small-power servo motor, store hydraulic energy, controlled valve power source is provided, the hydraulic energy of storage is become to the mechanical energy of oil cylinder when needing valve event, drives valve event, accumulator plays the role of energy source, motor work is not needed, therefore does not need biggish power of motor, and closing velocity is faster.The utility model uses small-power power, so that the equipment cost of system, operation cost reduce, the input and output of system improve significantly.
Description
Technical field
The utility model relates to electrohydraulic actuator apparatus field more particularly to a kind of low power consumption Serve Motor Control are electro-hydraulic
Executing agency.
Background technique
The valve used on field infusion gas pipeline, the matched motor function of the Electric Actuator or electro-hydraulic actuator of configuration
Rate is all bigger than normal, it is desirable to provide powerful AC power line, this result in the equipment cost of system, operation cost it is obvious on
It rises.
Summary of the invention
The utility model will solve the above technical problem, provide a kind of low power consumption Serve Motor Control electrohydraulic actuator.
In order to solve the above technical problems, the technical solution adopted in the utility model is: a kind of low power consumption Serve Motor Control
Electrohydraulic actuator, including small-power servo motor, hydraulic pump, manual pump, control valve, oil cylinder, accumulator and hydraulic oil container, institute
Stating control valve includes the first overflow valve, the second overflow valve, the first check valve, second one-way valve, the first solenoid directional control valve, the second electricity
Magnetic reversal valve, third solenoid directional control valve, hand stop valve, adjustable throttling, bidirectional hydraulic lock and pressure sensor, it is described hydraulic
The inlet port of pump connects the hydraulic oil container, and the oil outlet of the hydraulic pump is separately connected entrance and the institute of first check valve
The import of the first overflow valve is stated, the outlet of first overflow valve connects the hydraulic oil container, and the hydraulic pump is by the small function
The inlet port of the driving of rate servo motor, the manual pump connects the hydraulic oil container, and the oil outlet of the manual pump is separately connected
The outlet of the import of the entrance of the second one-way valve and second overflow valve, second overflow valve connects the hydraulic oil
Case, the outlet of the second one-way valve connect the outlet of first check valve, and the outlet of first check valve is separately connected
One end of the hand stop valve, one end of the adjustable throttling, the oil inlet of first solenoid directional control valve, described second
The oil inlet and the pressure sensor of the oil inlet of solenoid directional control valve, the third solenoid directional control valve, the hand stop valve
The other end connect the hydraulic oil container, the other end of the adjustable throttling connects the accumulator, and first electromagnetism changes
The oil return opening of the third solenoid directional control valve is connected to the oil outlet of valve, described in the oil return opening connection of first solenoid directional control valve
Hydraulic oil container, the oil outlet of second solenoid directional control valve connect the B mouth of the bidirectional hydraulic lock, second solenoid directional control valve
Oil return opening connect the hydraulic oil container, the oil outlet of the third solenoid directional control valve connects the A mouth of the bidirectional hydraulic lock, institute
It states bidirectional hydraulic lock and connects the A actuator port of the oil cylinder, B actuator port.
The hydraulic pump is miniature gear pump.
First solenoid directional control valve, second solenoid directional control valve and the third solenoid directional control valve are two-bit triplet
Solenoid directional control valve.
The bidirectional hydraulic lock includes the first hydraulic control one-way valve and the second hydraulic control one-way valve interconnected, first liquid
Control check valve has rod oil cylinder connection with the oil cylinder, and second hydraulic control one-way valve is connect with the oil cylinder without rod oil cylinder.
The utility model has the advantages and positive effects of: a kind of low power consumption Serve Motor Control electrohydraulic actuator,
Using small-power servo motor, hydraulic energy is stored, controlled valve power source is provided, when needing valve event by the hydraulic of storage
It can become the mechanical energy of oil cylinder, drive valve event, accumulator plays the role of energy source, does not need motor work, therefore not
Biggish power of motor is needed, and closing velocity is faster.The utility model use small-power power so that the equipment of system at
Originally, operation cost reduces, and the input and output of system improve significantly.
Detailed description of the invention
Fig. 1 is a kind of system connection figure of low power consumption Serve Motor Control electrohydraulic actuator.
In figure:
1, hydraulic oil container；2, hydraulic pump；3, small-power servo motor；
4.1, the first overflow valve；4.2, the second overflow valve；5.1, the first check valve；
5.2, second one-way valve；6.1 first solenoid directional control valves；6.2, the second solenoid directional control valve；
6.3, third solenoid directional control valve；7, bidirectional hydraulic lock；8, oil cylinder；
9, hand stop valve；10, accumulator；11, adjustable throttling；
12, pressure sensor；13, manual pump.
Specific embodiment
It elaborates with reference to the accompanying drawing to specific embodiment of the utility model.
As shown in Figure 1, a kind of low power consumption Serve Motor Control electrohydraulic actuator, including it is small-power servo motor 3, hydraulic
Pump 2, manual pump 13, control valve, oil cylinder 8, accumulator 10 and hydraulic oil container 1, the control valve include the first overflow valve 4.1, the
Two overflow valves 4.2, the first check valve 5.1, second one-way valve 5.2, the first solenoid directional control valve 6.1, the second solenoid directional control valve 6.2,
Third solenoid directional control valve 6.3, hand stop valve 9, adjustable throttling 11, bidirectional hydraulic lock 7 and pressure sensor 12, it is described hydraulic
The inlet port of pump 2 connects the hydraulic oil container 1, and the oil outlet of the hydraulic pump 2 is separately connected entering for first check valve 5.1
The import of mouth and first overflow valve 4.1, the outlet of first overflow valve 4.1 connects the hydraulic oil container 1, described hydraulic
Pump 2 is driven by the small-power servo motor 3, and the inlet port of the manual pump 13 connects the hydraulic oil container 1, the manual pump
13 oil outlet is separately connected the import of the entrance and second overflow valve 4.2 of the second one-way valve 5.2, and described second overflows
The outlet for flowing valve 4.2 connects the hydraulic oil container 1, and the outlet of the second one-way valve 5.2 connects first check valve 5.1
Outlet, the outlet of first check valve 5.1 are separately connected one end of the hand stop valve 9, the adjustable throttling 11
One end, the oil inlet of first solenoid directional control valve 6.1, the oil inlet of second solenoid directional control valve 6.2, the third electromagnetism
The other end of the oil inlet of reversal valve 6.3 and the pressure sensor 12, the hand stop valve 9 connects the hydraulic oil container 1,
The other end of the adjustable throttling 11 connects the accumulator 10, and the oil outlet of first solenoid directional control valve 6.1 connects institute
The oil return opening of third solenoid directional control valve 6.3 is stated, the oil return opening of first solenoid directional control valve 6.1 connects the hydraulic oil container 1, institute
The oil outlet for stating the second solenoid directional control valve 6.2 connects the B mouth of the bidirectional hydraulic lock 7, and second solenoid directional control valve 6.2 returns
Hydraulic fluid port connects the hydraulic oil container 1, and the oil outlet of the third solenoid directional control valve 6.3 connects the A mouth of the bidirectional hydraulic lock 7,
The bidirectional hydraulic lock 7 connects the A actuator port of the oil cylinder 8, B actuator port.
The hydraulic pump 2 is miniature gear pump.
First solenoid directional control valve 6.1, second solenoid directional control valve 6.2 and the third solenoid directional control valve 6.3 are equal
For two-bit triplet solenoid directional control valve.
The bidirectional hydraulic lock 7 include the first hydraulic control one-way valve interconnected and the second hydraulic control one-way valve, described first
Hydraulic control one-way valve has rod oil cylinder connection with the oil cylinder 8, and second hydraulic control one-way valve connects with the oil cylinder 8 without rod oil cylinder
It connects.
A kind of working principle of low power consumption Serve Motor Control electrohydraulic actuator are as follows: including small-power servo motor 3, liquid
Press pump 2, plug-in control valve, oil cylinder 8, accumulator 10, hydraulic oil container 1.
The control valve includes: the first overflow valve 4.1, the second overflow valve 4.2, the first check valve 5.1, second one-way valve
5.2, two-bit triplet the first solenoid directional control valve 6.1, the second solenoid directional control valve 6.2, third solenoid directional control valve 6.3, hand stop valve
9, adjustable throttling 11, pressure sensor 12, bidirectional hydraulic lock 7 etc..
The hydraulic pump 2 is miniature gear pump, and hydraulic pump 2 is driven by small-power servo motor 3, the inlet port of hydraulic pump 2
It is connected with hydraulic oil container 1, the pressure oil port of hydraulic pump 2 first overflow valve 4.1 in parallel, 4.1 oil return opening of the first overflow valve connects hydraulic
The oil outlet of fuel tank 1, hydraulic pump 2 connects the first check valve 5.1 simultaneously.
The outlet of hydraulic pump 2 has been arranged in parallel manual pump 13, and 13 inlet port of manual pump is connect with 1 mouthful of hydraulic oil container, is used
When in the unpowered situation of system or being overhauled, the power as manual-operated emergent.
Cylinder displacement sensor can also be arranged in this system, detect for 8 piston position of oil cylinder, show the opening and closing shape of gate valve
State.
The pressure oil circuit of the hydraulic pump 2 is divided into a plurality of oil circuit after passing through the first check valve 5.1, and a connection closes valve with two
The oil inlet of the first solenoid directional control valve of position threeway 6.1；One oil circuit connection valve opening the second solenoid directional control valve of two-bit triplet 6.2
Oil inlet；One oil circuit connection adjustable throttling 11 and accumulator 10 are simultaneously connected with pressure sensor 12；Another two oil circuits and hand
Dynamic shut-off valve 9 is connected with the oil inlet for closing valve two-bit triplet third solenoid directional control valve 6.3.
The outlet of accumulator 10 is also optionally provided with setting throttle valve, controls operating rate.
The outlet for closing valve the first solenoid directional control valve of two-bit triplet 6.1 and emergency close valve two-bit triplet third electromagnetism
The oil return opening of reversal valve 6.3 connects.
The outlet that the emergency closes valve two-bit triplet third solenoid directional control valve 6.3 is connect for A mouthfuls with 8 working hole of oil cylinder.
The outlet of the valve opening the second solenoid directional control valve of two-bit triplet 6.2 is connect for B mouthfuls with 8 working hole of oil cylinder.
The actuator port A bidirectional hydraulic lock 7 is set between B and oil cylinder 8, inside include two hydraulic control one-way valves, and execute oil
Cylinder 8 has bar oil pocket and is separately connected without bar oil pocket.
A kind of low power consumption Serve Motor Control electrohydraulic actuator has following several operating conditions:
Accumulator filling liquid operating condition: when system starts, control valve is in power failure state, and small-power servo motor 3 starts, and drives
Hydrodynamic press pump 2 starts to carry out filling liquid to accumulator 10, small when 12 pressure of pressure sensor reaches setting upper pressure limit P (MAX)
The delay of power servo motor 3 stops, and system enters pressure maintaining operating condition；
Pressure maintaining operating condition: system pressure reaches setting value, and small-power servo motor 3 stops, and pressure sensor 12 continues to monitor
System pressure, when pressure is less than setting low pressure limit P (MIN), automatically into filling liquid state, small-power servo motor 3 starts,
Drive hydraulic pump 2 to 10 filling liquid of accumulator, until pressure reaches setting upper limit value；
Open and close valve operates operating condition: when executing agency carries out closing valve operation, small-power servo motor 3 stops, the first electromagnetism
Reversal valve 6.1 must be electric, and the pressure oil in accumulator 10 passes through adjustable throttling 11, into the first solenoid directional control valve of two-bit triplet 6.1
Import, the outlet of the first solenoid directional control valve 6.1 out, because emergency third solenoid directional control valve 6.3 is in power failure state, third electromagnetism
Conducting is answered back and exported to reversal valve 6.3, and pressure oil enters actuator port A, enters 8 rodless cavity of oil cylinder by bidirectional hydraulic lock 7,
Piston action is pushed, valve is closed.
The oil return of the rod chamber of oil cylinder 8 simultaneously, by working hole B, by bidirectional hydraulic lock 7, by the second electromagnetic switch
The outlet of valve 6.2 is answered back, and hydraulic oil container 1 is flowed back to.
When executing agency carries out valve opening door operation, small-power servo motor 3 stops, and the second solenoid directional control valve 6.2 obtains electric, storage
Can the pressure oil in device 10 pass through adjustable throttling 11, into the import of the second solenoid directional control valve of two-bit triplet 6.2, the second electromagnetism out
The outlet of reversal valve 6.2, pressure oil enter 8 rod chamber of oil cylinder by bidirectional hydraulic lock 7, push piston action, Open valve.
The oil return of the rodless cavity of oil cylinder 8 by the outlet of third solenoid directional control valve 6.3, is answered back by working hole A simultaneously,
It by the outlet of the first solenoid directional control valve 6.1, answers back, flows back to hydraulic oil container 1.
Emergency shutdown mode: system power loss is powered by reserve battery, and emergency third solenoid directional control valve 6.3 obtains electric, accumulation of energy
Pressure oil in device 10 passes through adjustable throttling 11, and into the import of two-bit triplet third solenoid directional control valve 6.3, third electromagnetism is changed out
Outlet to valve 6.3, pressure oil enter 8 rodless cavity of oil cylinder by bidirectional hydraulic lock 7, push piston action, close valve.
Meanwhile the oil return of actuator port B flowed back to by bidirectional hydraulic lock 7, the second solenoid directional control valve of two-bit triplet 6.2 it is hydraulic
Fuel tank 1.
A kind of low power consumption Serve Motor Control electrohydraulic actuator stores hydraulic energy, mentions using small-power servo motor 3
For controlled valve power source, the hydraulic energy of storage is become to the mechanical energy of oil cylinder 8 when needing valve event, driving valve is dynamic
Make, accumulator 10 plays the role of energy source, does not need motor work, therefore do not need biggish power of motor, and close speed
Degree is faster.The utility model uses small-power power, so that the equipment cost of system, operation cost reduce, the investment of system
Output improves significantly.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the invention.It is all according to equivalent change made by the scope of the utility model with
Improve etc., it shall still fall within the scope of this patent.
Claims (4)
1. a kind of low power consumption Serve Motor Control electrohydraulic actuator, it is characterised in that: including small-power servo motor, hydraulic
Pump, manual pump, control valve, oil cylinder, accumulator and hydraulic oil container, the control valve include the first overflow valve, the second overflow valve, the
One check valve, second one-way valve, the first solenoid directional control valve, the second solenoid directional control valve, third solenoid directional control valve, hand stop valve,
Adjustable throttling, bidirectional hydraulic lock and pressure sensor, the inlet port of the hydraulic pump connects the hydraulic oil container, described hydraulic
The oil outlet of pump is separately connected the import of the entrance and first overflow valve of first check valve, first overflow valve
Outlet connects the hydraulic oil container, and the hydraulic pump is driven by the small-power servo motor, and the inlet port of the manual pump connects
The hydraulic oil container is connect, the oil outlet of the manual pump is separately connected the entrance and second overflow valve of the second one-way valve
Import, the outlet of second overflow valve connects the hydraulic oil container, the outlet connection described first of the second one-way valve
The outlet of the outlet of check valve, first check valve is separately connected one end of the hand stop valve, the adjustable throttling
One end, the oil inlet of first solenoid directional control valve, the oil inlet of second solenoid directional control valve, the third electromagnetic switch
The oil inlet of valve and the pressure sensor, the other end of the hand stop valve connects the hydraulic oil container, described adjustable
The other end for flowing valve connects the accumulator, and the oil outlet of first solenoid directional control valve connects the third solenoid directional control valve
The oil return opening of oil return opening, first solenoid directional control valve connects the hydraulic oil container, the oil outlet of second solenoid directional control valve
The B mouth of the bidirectional hydraulic lock is connected, the oil return opening of second solenoid directional control valve connects the hydraulic oil container, the third electricity
The oil outlet of magnetic reversal valve connects the A mouth of the bidirectional hydraulic lock, and the bidirectional hydraulic lock connects the A working oil of the oil cylinder
Mouth, B actuator port.
2. a kind of low power consumption Serve Motor Control electrohydraulic actuator according to claim 1, it is characterised in that: the liquid
Press pump is miniature gear pump.
3. a kind of low power consumption Serve Motor Control electrohydraulic actuator according to claim 1, it is characterised in that: described
One solenoid directional control valve, second solenoid directional control valve and the third solenoid directional control valve are two-bit triplet solenoid directional control valve.
4. a kind of low power consumption Serve Motor Control electrohydraulic actuator according to claim 1, it is characterised in that: described double
Include the first hydraulic control one-way valve and the second hydraulic control one-way valve interconnected to hydraulic lock, first hydraulic control one-way valve with it is described
Oil cylinder has rod oil cylinder connection, and second hydraulic control one-way valve is connect with the oil cylinder without rod oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672572.4U CN208900805U (en) | 2018-10-16 | 2018-10-16 | A kind of low power consumption Serve Motor Control electrohydraulic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821672572.4U CN208900805U (en) | 2018-10-16 | 2018-10-16 | A kind of low power consumption Serve Motor Control electrohydraulic actuator |
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| Publication Number | Publication Date |
|---|---|
| CN208900805U true CN208900805U (en) | 2019-05-24 |
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ID=66575840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821672572.4U Active CN208900805U (en) | 2018-10-16 | 2018-10-16 | A kind of low power consumption Serve Motor Control electrohydraulic actuator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671392A (en) * | 2019-09-30 | 2020-01-10 | 福建龙马环卫装备股份有限公司 | Hydraulic system with integral box hopper with manual emergency lifting function |
| CN111946678A (en) * | 2020-07-27 | 2020-11-17 | 南京理工大学 | Seat disc hydraulic system with pressure feedback type adjustable throttle valve |
| CN112128456A (en) * | 2020-08-13 | 2020-12-25 | 西安航天动力研究所 | Hydraulic piston direct-drive and energy accumulator cooperative-drive electro-hydraulic actuator |
| CN112211862A (en) * | 2020-08-25 | 2021-01-12 | 武汉船用机械有限责任公司 | Hydraulic system for controllable pitch propeller control |
| CN114060591A (en) * | 2021-11-30 | 2022-02-18 | 重庆川仪自动化股份有限公司 | Valve composite actuating mechanism |
| CN114370524A (en) * | 2021-12-15 | 2022-04-19 | 西安航天动力研究所 | Fireproof emergency shutdown electro-hydraulic control system |
-
2018
- 2018-10-16 CN CN201821672572.4U patent/CN208900805U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671392A (en) * | 2019-09-30 | 2020-01-10 | 福建龙马环卫装备股份有限公司 | Hydraulic system with integral box hopper with manual emergency lifting function |
| CN111946678A (en) * | 2020-07-27 | 2020-11-17 | 南京理工大学 | Seat disc hydraulic system with pressure feedback type adjustable throttle valve |
| CN111946678B (en) * | 2020-07-27 | 2022-07-19 | 南京理工大学 | Seat disc hydraulic system with pressure feedback type adjustable throttle valve |
| CN112128456A (en) * | 2020-08-13 | 2020-12-25 | 西安航天动力研究所 | Hydraulic piston direct-drive and energy accumulator cooperative-drive electro-hydraulic actuator |
| CN112211862A (en) * | 2020-08-25 | 2021-01-12 | 武汉船用机械有限责任公司 | Hydraulic system for controllable pitch propeller control |
| CN114060591A (en) * | 2021-11-30 | 2022-02-18 | 重庆川仪自动化股份有限公司 | Valve composite actuating mechanism |
| CN114370524A (en) * | 2021-12-15 | 2022-04-19 | 西安航天动力研究所 | Fireproof emergency shutdown electro-hydraulic control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: 100027 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: China Petroleum & Chemical Corp. Patentee after: South China branch of Sinopec Sales Co.,Ltd. Patentee after: YANGZHOU HENGCHUN ELECTRONIC Co.,Ltd. Address before: 510620 38-40 tower, A tower, Sinopec building, 191 Sports West Road, Tianhe District, Guangzhou, Guangdong. Patentee before: SOUTH CHINA BRANCH OF SINOPEC CHEMICAL COMMERCIAL HOLDING Co.,Ltd. Patentee before: YANGZHOU HENGCHUN ELECTRONIC Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231102 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Patentee after: National Petroleum and natural gas pipeline network Group Co.,Ltd. Patentee after: YANGZHOU HENGCHUN ELECTRONIC Co.,Ltd. Address before: 100027 Chaoyangmen North Street, Chaoyang District, Chaoyang District, Beijing Patentee before: CHINA PETROLEUM & CHEMICAL Corp. Patentee before: South China branch of Sinopec Sales Co.,Ltd. Patentee before: YANGZHOU HENGCHUN ELECTRONIC Co.,Ltd. |
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| TR01 | Transfer of patent right |