CN205895755U - Fine control hydro -cylinder - Google Patents
Fine control hydro -cylinder Download PDFInfo
- Publication number
- CN205895755U CN205895755U CN201620836429.9U CN201620836429U CN205895755U CN 205895755 U CN205895755 U CN 205895755U CN 201620836429 U CN201620836429 U CN 201620836429U CN 205895755 U CN205895755 U CN 205895755U
- Authority
- CN
- China
- Prior art keywords
- cylinder
- pulse
- hydro
- solenoid valve
- control
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a fine control hydro -cylinder mainly includes controller, displacement sensor, pulse hydro -cylinder, check valve, solenoid valve a, pulse pump, solenoid valve b, controlled hydro -cylinder, its characterized in that: the piston rod of pulse hydro -cylinder stretches out the end and is connected with displacement sensor, controller and position sensor, pulse pump, solenoid valve a, solenoid valve b control connection, the pulse pump passes through solenoid valve an and the check valve is connected with the pulse hydro -cylinder, and the oil -out of pulse hydro -cylinder passes through solenoid valve b and is connected with controlled hydro -cylinder. The utility model discloses a displacement sensor detects the piston rod displacement volume of pulse hydro -cylinder, through controller feedback control pulse pump to the fluid output quantity of accurate control impuls hydro -cylinder, and then improve the displacement precision of controlled hydro -cylinder, a fine control hydro -cylinder simple structure, stroke control accuracy can reach submicron.
Description
Technical field
This utility model is related to hydraulic jack field, particularly a kind of precision control cylinder.
Technical background
High precision oil cylinder generally adopts servo valve control at present, and its principle is come controlling stream by the openings of sizes of servo valve
Amount size, and then control the stroke of hydraulic jack, but servo valve cost is high, (servo valve requires very to oil cleanliness for easy pollution
High), the shortcomings of servo spool easily blocks, control accuracy is high, be not suitable for the occasion of special required precision.A kind of knot is therefore provided
Structure, the high accurate control cylinder of stroke accuracy is necessary.
Utility model content
This utility model is realized by following technology: a kind of precision control cylinder, mainly includes controller, displacement passes
Sensor, pulse cylinder, check valve, electromagnetic valve a, pulse pump, electromagnetic valve b, controlled oil cylinder it is characterised in that: the work of pulse cylinder
Stopper rod external part is connected with displacement transducer, and controller is connected with level sensor, pulse pump, electromagnetic valve a, electromagnetic valve b control；
Pulse pump passes through electromagnetic valve a and check valve is connected with pulse cylinder, and the oil-out of pulse cylinder passes through electromagnetic valve b and controlled oil cylinder
Connect.
The pulse equivalency of pulse pump described in the utility model is definite value, and it is controlled by the pulse signal that controller exports.
Displacement transducer described in the utility model is capable of the overhang of real-time detection pulse cylinder piston rod, and by displacement
Data reaches controller, carries out accurate feedback control by controller to the input signal of pulse pump so that the fluid of pulse cylinder
Output is more accurate, improves the displacement accuracy of controlled oil cylinder further.
Implementing remarkable result of the present utility model is: this utility model detects the piston of pulse cylinder by displacement transducer
Bar displacement, by controller feedback control pulse pump, to reach the fluid output of precise control pulse cylinder, and then improves
The displacement accuracy of controlled oil cylinder, a kind of precision control cylinder structure described in the utility model is simple, Stroke Control precision up to
To submicron order.
Brief description
Below in conjunction with the accompanying drawings and specific embodiment the utility model is described in further detail.
Fig. 1 is a kind of schematic diagram of precision control cylinder of the present utility model.
In figure, 1- displacement transducer, 2- controller, 3- pulse pump, 4- electromagnetic valve a, 5- pulse cylinder, 6- check valve, 7-
The controlled oil cylinder of electromagnetic valve b, 8-.
Specific embodiment
In conjunction with accompanying drawing, the utility model is described in further detail, and accompanying drawing is all reduced to schematic diagram, as shown in figure 1, only aobvious
Show the composition relevant with this utility model.
Embodiment 1: this utility model is achieved by the following technical solution: a kind of precision control cylinder, main bag
Include controller (2), displacement transducer (1), pulse cylinder (5), check valve (6), electromagnetic valve a(4), pulse pump (3), electromagnetic valve b
(7), controlled oil cylinder (8) it is characterised in that: the piston rod external part of pulse cylinder (5) is connected with displacement transducer (1), control
Device (2) processed and level sensor (1), pulse pump (3), electromagnetic valve a(4), electromagnetic valve b(7) control be connected；Pulse pump (3) passes through electricity
Magnet valve a(4) and check valve (6) be connected with pulse cylinder (5), the oil-out of pulse cylinder (5) passes through electromagnetic valve b(7) with controlled
Oil cylinder (8) connects.
As shown in figure 1, in present embodiment 1, electromagnetic valve a(4), electromagnetic valve b(7) all can be selected for 3-position 4-way electromagnetism
Valve, displacement transducer (1) can be selected for grating displacement sensor or photoelectric displacement sensor, will to meet high accuracy data detection
Ask.When oil cylinder enters fine setting working condition, controller (2) controls electromagnetic valve a(4) left logical, electromagnetic valve b(7) right logical, controller
(2) output pulse signal acts on impulse cylinder (3), makes impulse cylinder (3) that fluid is passed through electromagnetic valve a(4) pump into pulse cylinder
(5), check valve (6) cut-off, fluid is just accurately passed through electromagnetic valve b(7 by the oil-out of pulse cylinder (5)) inject controlled oil cylinder
(8), the overhang of simultaneous displacement sensor (1) real-time detection pulse cylinder (5) piston rod, and detection data is fed back to control
Device (2), controller (2) is implemented accurately pulse signal according to feedback data and is controlled to pulse pump (3).Due to pulse pump (3) and
The pulse equivalency precision of pulse cylinder (5) is very high, in addition the detection of displacement transducer (1) and controller (2) and feedback control
System, can make the displacement accuracy of controlled oil cylinder reach submicron order.This utility model structure is simple, and control accuracy is high, can be used for
There is the occasion of strict demand to positional precision.
With above-mentioned according to embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff
Various change and modification can be carried out in the range of without departing from this utility model technological thought completely.This utility model
The content that is not limited in description of technical scope it is necessary to determine its technical scope according to right.
Claims (1)
1. a kind of precision control cylinder, mainly include controller (2), displacement transducer (1), pulse cylinder (5), check valve (6),
Electromagnetic valve a(4), pulse pump (3), electromagnetic valve b(7), controlled oil cylinder (8) it is characterised in that: the piston rod of pulse cylinder (5) is stretched
Go out end to be connected with displacement transducer (1), controller (2) and level sensor (1), pulse pump (3), electromagnetic valve a(4), electromagnetic valve b
(7) control and connect；Pulse pump (3) pass through electromagnetic valve a(4) and check valve (6) be connected with pulse cylinder (5), pulse cylinder (5)
Oil-out passes through electromagnetic valve b(7) it is connected with controlled oil cylinder (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836429.9U CN205895755U (en) | 2016-08-04 | 2016-08-04 | Fine control hydro -cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620836429.9U CN205895755U (en) | 2016-08-04 | 2016-08-04 | Fine control hydro -cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205895755U true CN205895755U (en) | 2017-01-18 |
Family
ID=57783074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620836429.9U Expired - Fee Related CN205895755U (en) | 2016-08-04 | 2016-08-04 | Fine control hydro -cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205895755U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762518A (en) * | 2017-03-18 | 2017-05-31 | 胜利油田瑞特机械制造有限责任公司 | A kind of oil-field flooding energy-saving pressurized system and its application process |
| CN113007178A (en) * | 2021-05-24 | 2021-06-22 | 新誉轨道交通科技有限公司 | Pulse frequency model for hydraulic driving device, control method and system |
-
2016
- 2016-08-04 CN CN201620836429.9U patent/CN205895755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762518A (en) * | 2017-03-18 | 2017-05-31 | 胜利油田瑞特机械制造有限责任公司 | A kind of oil-field flooding energy-saving pressurized system and its application process |
| CN113007178A (en) * | 2021-05-24 | 2021-06-22 | 新誉轨道交通科技有限公司 | Pulse frequency model for hydraulic driving device, control method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103615436B (en) | Steel tube straightening machine numerical control electrohydraulic ratio system | |
| CN204591851U (en) | Multistage flow pressure compound control system | |
| CN205956121U (en) | One -way servopump of bender does not have overflow energy -saving control system | |
| CN205895755U (en) | Fine control hydro -cylinder | |
| CN102788056A (en) | Hydraulic control system of electro-hydraulic feedback proportion throttle cartridge valve | |
| CN202789805U (en) | Hydraulic control device of electro-hydraulic feedback proportional throttling cartridge valve | |
| CN103671293B (en) | Floating weight of banbury mixer oil cylinder hydraulic control method and device | |
| CN104121255B (en) | Electric-hydraulic proportion circuit system | |
| CN104863910B (en) | Heavy long rod hoisting mechanism hydraulic system and control method | |
| CN202510464U (en) | Hydraulic follow-up gravitational equilibrium device | |
| CN102384114A (en) | Engineering mechanical arm hydraulic position driving control system | |
| CN204687292U (en) | Injection machine folding mould proportional-control hydraulic oil circuit | |
| CN203670322U (en) | Loading machine hydraulic cylinder movement velocity electro-hydraulic proportional control system | |
| CN206999733U (en) | High-accuracy hydraulic press system device | |
| CN101157123A (en) | Controlling method of pressing morphism rapid braking of die casting machine | |
| CN203685776U (en) | Numerical control electric-hydraulic proportional system of steel pipe straightening machine | |
| CN203172060U (en) | Press machine liquid control system | |
| CN203957401U (en) | A kind of linkage hydraulic press synchronous control system | |
| CN202387766U (en) | Accurate positioning hydraulic device | |
| CN204003680U (en) | Novel master cylinder hydraulic circuit system | |
| CN203281783U (en) | High-speed forging valve control system of forging hydraulic press | |
| CN102155446A (en) | Segmental control integration-type electro-hydraulic digital valve | |
| CN102305223A (en) | Hydraulic control device and control method thereof | |
| CN206513643U (en) | High-pressure bypass pressure and temperature reducing valve execution system | |
| CN204512051U (en) | A kind of oil circuit flow pressure control device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170801 Address after: 3, No. 961, 314000 Jubilee Road, Zhejiang, Jiaxing Patentee after: Jiaxing iron rail traffic equipment manufacturing Co.,Ltd. Address before: 611731 Sichuan city of Chengdu province high tech Zone Kexinlu No. 6 Patentee before: SICHUAN CHENGDU PUSHI ELECTROMECHANICAL TECHNOLOGY RESEARCH CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315192 West Head, 1st Floor, No. 11 Factory Building, 688 Jinda Road, Yinzhou District Investment and Venture Center, Ningbo City, Zhejiang Province Patentee after: NINGBO HUATIE TRACK TRAFFIC EQUIPMENT MANUFACTURING Co.,Ltd. Address before: 314000 No. 961 Kaixi Road, Jiaxing City, Zhejiang Province Patentee before: Jiaxing iron rail traffic equipment manufacturing Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210804 |