CN2427664Y - Microcomputerized speed regulator directed linkage type hydraulic arrangement - Google Patents
Microcomputerized speed regulator directed linkage type hydraulic arrangement Download PDFInfo
- Publication number
- CN2427664Y CN2427664Y CN002251477U CN00225147U CN2427664Y CN 2427664 Y CN2427664 Y CN 2427664Y CN 002251477 U CN002251477 U CN 002251477U CN 00225147 U CN00225147 U CN 00225147U CN 2427664 Y CN2427664 Y CN 2427664Y
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- piston
- control valve
- main control
- main
- lining
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The utility model relates to a microcomputer speed regulator direct linkage type hydraulic arrangement. The utility model a micro motor is axially and directly connected with a main distributing valve piston through a ball screw pair, and the main distributing valve piston is composed of a removable liner which is arranged in a valve body and is glidingly matched with the outer part of the piston; the lower end of the liner is pressed and connected to a main servomotor through a roller, namely a feedback cone of one end of an oil cylinder piston rod; a control valve disk of the lower part of the main distributing valve piston and an oil passage window of the liner are matched to open and close to control that pressure oil or draining oil passes through a variable pressure chamber of the main servomotor, and the feedback is formed. The utility model has the advantages that the friction resistance is reduced, the transmission efficiency is raised, the accuracy and the service life of a system are improved, and dynamic and static indexes of a speed regulator is improved.
Description
The utility model relates to a kind of direct-connected hydraulic pressure installation of mechanical hydraulic unit, particularly microcomputer governor of hydraulic generator unit speed regulator.
Existing hydraulic generator unit microcomputer governor, its machinery hydraulic system include the complicated exposed conduit pipeline and the complicated lever construction and the slip screw kind of drive, and referring to accompanying drawing 2, this speed regulator hydraulic system precision is not high, and the life-span is not long.
The purpose of this utility model is to adopt micro motor and the direct-connected mode of main control valve to design the speed regulator machinery hydraulic system, the exposed conduit pipeline of the existing speed regulator machinery hydraulic system of cancellation and complicated lever construction, overcome the disadvantage of existing microcomputer governor machinery hydraulic system, thereby make the system accuracy height; Long working life.
Technical solution of the present utility model is the direct-connected hydraulic pressure installation of a kind of microcomputer governor, mainly connect main control valve through ball spiral pair by micro motor, main control valve connects formation with main servomotor machine-liquid, micro motor directly connects main control valve through ball spiral pair: the screw axis of micro-motor and ball spiral pair is to connecting firmly, and its nut and main control valve piston shaft are to connecting firmly; Main control valve is that machine-liquid feedback connects with main servomotor: main servomotor is a differential pressure type oil cylinder, and its piston rod one external part connects firmly the feedback cone, and its conical surface and main control valve lining touch; The pressure chamber of differential pressure type oil cylinder and hydraulic power mat hydraulic link, between the inner oil duct lower end mouth of its transformation chamber and main control valve via one-way throttle valve, two-position three way magnetic valve mat hydraulic link, inner oil duct upper end-hole of main control valve and hydraulic power mat hydraulic link.The also available two-position four-way solenoid valve of two-position three way magnetic valve replaces.Micro motor can be stepper motor or actuating motor.
Description of drawings is as follows:
Fig. 1 is the direct-connected hydraulic device structure schematic representation of the utility model microcomputer governor
Fig. 2 is the microcomputer governor machinery hydraulic system structural representation that prior art contains the lever construction of exposed conduit pipeline and complexity.
The utility model further specifies as follows in conjunction with specific embodiments referring to accompanying drawing:
The direct-connected hydraulic pressure installation of a kind of microcomputer governor, it is to connect main control valve by micro motor through ball spiral pair, and main control valve connects main servomotor, and main control valve and main servomotor connect with hydraulic circuit and are communicated with formation.Referring to accompanying drawing 1, ball spiral pair [2] is to be loaded on the pedestal [27] by screw mandrel [25] the mat bearing [28] of being with rotatable handle [29], screw mandrel [25] lower end connects with main piston [24] upper tip mat nut [26] of joining valve [3], in its spiral chute ball is installed, nut [26] and piston [24] connect firmly, and screw mandrel [25] upper end and micro motor [1] are spool for axially to connect.
Main control valve [3] is gone up dress loose bush [23] by the piston [24] in the valve body [22], between valve body [22], piston [24], lining [23] three for being slidingly matched, between [24] one sections in piston and lining [23] inner chamber the oil duct gap is arranged, on lining [23] wall body radial through hole is arranged, on valve body [22] wall ring-type flute and radial through hole are arranged, its oil duct gap, groove, duct are along with piston [24], lining [23], valve body [22] three's relative slippage and be communicated with formation activity oil circuit, the aperture, two ends of oil circuit reaches oilhole b down for upper oil hole a, on [22] on the valve body; Piston [24] lower end mat spring [21] connects with at the bottom of lining [23] inner chamber; Lining [23] lower end dress roller [17]; Lining [23] bottom mat spring [19] and sliding pilot pin [20], guide plate [18] of leading cooperation connect with valve body [22] lower end.
Main servomotor [4] is a differential pressure type oil cylinder, it is to adorn piston [7] in cylinder body [6] inner chamber, piston [7] both sides useful area difference, and there are big piston bar [5] and small piston rod [8] to stretch out outside the cylinder body [6] respectively, transformation chamber small piston rod [8] external part connects firmly a feedback cone [9], the little side of piston effective area of cylinder body [6] inner chamber is pressure chamber c, and the side that its piston effective area is big is transformation chamber d.Transformation chamber d piston effective area is 2 times of pressure chamber C piston effective area.
Micro motor [1] directly connects main control valve [3] through ball spiral pair [2], and main control valve [3] connects for machine one liquid feedback with main servomotor [4], and this is two main structure main points of this hydraulic pressure installation.
Micro motor [1] directly connects main control valve [3] through ball spiral pair [2]: micro motor [1] axle axially connects firmly with screw mandrel [25], and nut [26] axially connects firmly with the piston [24] of main control valve [3].
Main control valve [3] is that machine-liquid feedback connects with connecting of main servomotor [4]:
Main control valve [3] is the feedback cone [9] that differential pressure type oil cylinder [4] piston [7] rod end connects firmly with the mechanical coupling of main servomotor [4], touch with the lining [23] of main control valve [3], the conical surface crimping of the cone [9] of the roller [17] of loose bush [23] lower end of mat main control valve [3] and main servomotor [4] piston rod [8] end, with it the Dui Ying opposite side conical surface then with roller [16] crimping of Equilibrator [10]; Equilibrator [10] is to be connected with seat [12] sliding sleeve by guide rod [11], and guide rod [11] mat spring [13] and sliding guide plate [14] of leading cooperation, and pilot pin [15] connects with seat [12], guide rod [11] upper end dress roller [16].
The hydraulic link of main control valve [3] and main servomotor [4] is that the pressure chamber c of the cylinder cavity of the upper oil hole a of inside oil duct of valve body [22] of main control valve [3] and main servomotor [4] connects the hydraulic power hydraulic circuit; The transformation chamber d of main servomotor [4] is through one-way throttle valve [30], two-position three way magnetic valve [31] mat hydraulic pressure, and oil circuit connects, is communicated with the following oilhole b of the valve body [22] of main control valve [3].
Working principle of the present utility model is: the direct-connected hydraulic pressure installation of the utility model microcomputer governor, the action of main servomotor [4] differential pressure type oil cylinder is directly controlled and operated to its main control valve [3].
Micro motor [1] drives screw mandrel [25] forward and backward of ball spiral pair [2], the ball nut [26] of mat main control valve [3] piston [24] upper tip drives the upper and lower action of piston [24], run in oil or connect pressure oil of the transformation chamber d that the control valve disc [34] of mat its underpart makes the internal activity oil circuit of main control valve [3] connect main servomotor [4], thereby promote piston [24] respectively to two end motions, realize the open and close machine; Simultaneously, drive the upper and lower action of loose bush [23] of main control valve [3] by the feedback cone [9] on the main servomotor [4], cooperate with piston [24] bottom control valve disc [34], the internal activity oil circuit that forms by this through main control valve [3] makes main servomotor [4] transformation chamber connect pressure oil or oil extraction, to realize the direct position feedback.
When micro motor [1] drives screw mandrel [25] rotation, mat ball nut [26] rises the piston [24] of main control valve [3], the control valve disc [34] of its underpart makes the transformation chamber d of main servomotor [4] connect oil extraction, and oil extraction is discharged with [32] from the piston [24] and the oil drainage hole [33] on the lining [23] of main control valve [3].The piston [7] of main servomotor [4] makes piston [7] towards cone segments under the pressure oil effect of pressure chamber c, and promptly the direction of closing towards main servomotor [4] moves; Meanwhile, feedback cone [9] mat roller [17] rises main loose bush [23] of joining pressure [3], by the control valve disc [34] of main control valve [3] piston [24] bottom closing oil path again, loose bush [23] all stops upward to move with piston [24], reaches new balance up to control window [35].
When micro motor [1] descends piston [24], the control valve disc [34] of piston [24] bottom is connected main control valve [3] internal oil passages, by this oil circuit the transformation chamber d of main servomotor [4] and the pressure oil of hydraulic power are connected,, promptly moved towards the open circuit direction so promote piston [7] towards non-cone segments; Meanwhile, feedback cone [9] descends the loose bush [23] of main control valve [3], internal activity oil circuit up to main control valve [3] is sealed again by the control valve disc [34] of piston [24] bottom, and piston [24] and lining [23] are all no longer mobile, reaches new balance this moment again.
This shows: loose bush [23] servo-actuated of main control valve [3] is in the piston [24] of main control valve [3].
Micro motor [1] changes 5 circles, and main control valve [3] is walked omnidistance 20 millimeters, and corresponding main servomotor [4] is walked 170 millimeters of total travels.
Replace micro motor [1] to operate screw mandrel [25] with rotatable handle [29] and also can reach effect same, can realize manually start or shutdown by mat rotatable handle [29].
The utility model has the advantages that: cancelled micro machine and pressed the leverage that connects with main joining, replaced ball screw Pair directly axially connects both, has reduced frictional resistance, and main control valve and main servomotor adopt machine-liquid feedback connection Connect, thereby improved transmission efficiency and system accuracy, and make the long working life of system, and do not have the work dead point, greatly Improved the dynamic and Static State Index of speed regulator.
Claims (5)
1, the direct-connected hydraulic pressure installation of a kind of microcomputer governor mainly connects main control valve by micro motor through ball spiral pair, and main control valve connects formation with main servomotor machine-liquid, it is characterized in that:
1) micro motor axially directly connects main control valve through ball spiral pair,
The screw axis of micro-motor and ball spiral pair is to connecting firmly, and its nut and main control valve piston shaft be to connecting firmly,
2) main control valve is that machine one liquid feedback connects with main servomotor:
Main servomotor is a differential pressure type oil cylinder, and its piston rod one external part connects firmly the feedback cone, and its conical surface and main control valve lining touch; The pressure chamber of differential pressure type oil cylinder and hydraulic power mat hydraulic link, between the inner oil duct lower end mouth of its transformation chamber and main control valve via one-way throttle valve, two-position three way magnetic valve mat hydraulic link, inner oil duct upper end-hole of main control valve and hydraulic power mat hydraulic link.
2, microcomputer governor straight connection type hydraulic pressure installation according to claim 1, it is characterized in that main control valve, be by the movable village of dress on the piston in valve body cover, valve body, piston, village are overlapped between the three for being slidingly matched, between one section in piston and lining inner chamber the oil duct gap is arranged, the width of cloth is arranged to through hole on the lining wall body, the annular ditch groove and the width of cloth are arranged to through hole on the valve body wall, its oil duct gap, groove, duct, along with valve body, piston, the relative slippage of lining three and be communicated with formation activity oil circuit, the oil circuit two-port is on valve body, and piston lower end mat spring connects with at the bottom of the lining inner chamber; Roller is equipped with in the lining lower end; Pilot pin, guide plate that lining bottom mat spring and sliding sleeve cooperate connect with valve body lower end.
3, the direct-connected hydraulic pressure installation of microcomputer governor according to claim 1, it is characterized in that its main servomotor is a differential pressure type oil cylinder, it is to adorn piston in inner chamber of cylinder block, piston both sides useful area difference, and have one big a, small piston rod to stretch out outside the cylinder body respectively, transformation chamber small piston rod external part connects firmly a cone.
4, microcomputer governor straight connection type hydraulic pressure installation according to claim 1, the feedback cone that it is characterized in that main control valve lining and main servomotor piston rod one end touches the conical surface crimping of the cone that is the roller of cover lower end, movable village of mat main control valve and main servomotor tailpiece of the piston rod, with it the Dui Ying opposite side conical surface then with the roller crimping of Equilibrator.
5, the direct-connected hydraulic pressure installation of microcomputer governor according to claim 1, the transformation chamber d piston effective area that it is characterized in that the differential pressure type oil cylinder are 2 times of pressure chamber C piston effective area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN002251477U CN2427664Y (en) | 2000-07-07 | 2000-07-07 | Microcomputerized speed regulator directed linkage type hydraulic arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN002251477U CN2427664Y (en) | 2000-07-07 | 2000-07-07 | Microcomputerized speed regulator directed linkage type hydraulic arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2427664Y true CN2427664Y (en) | 2001-04-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN002251477U Expired - Fee Related CN2427664Y (en) | 2000-07-07 | 2000-07-07 | Microcomputerized speed regulator directed linkage type hydraulic arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2427664Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606377A (en) * | 2012-03-27 | 2012-07-25 | 天津市数控及传动技术应用研究所 | Rotary outputting water-turbine electric speed regulator without arm grip |
| CN104806437A (en) * | 2015-04-17 | 2015-07-29 | 赣州黄金沃特发电设备有限公司 | Differential pressure type microcomputer hydraulic automatic speed governor |
| CN106958554A (en) * | 2017-05-22 | 2017-07-18 | 武汉科技大学 | Direct feedback digital wobble hydraulic cylinder is driven in a kind of |
| CN110345132A (en) * | 2019-07-17 | 2019-10-18 | 北京精密机电控制设备研究所 | A kind of servo valve dual input characteristic test system |
-
2000
- 2000-07-07 CN CN002251477U patent/CN2427664Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606377A (en) * | 2012-03-27 | 2012-07-25 | 天津市数控及传动技术应用研究所 | Rotary outputting water-turbine electric speed regulator without arm grip |
| CN104806437A (en) * | 2015-04-17 | 2015-07-29 | 赣州黄金沃特发电设备有限公司 | Differential pressure type microcomputer hydraulic automatic speed governor |
| CN106958554A (en) * | 2017-05-22 | 2017-07-18 | 武汉科技大学 | Direct feedback digital wobble hydraulic cylinder is driven in a kind of |
| CN110345132A (en) * | 2019-07-17 | 2019-10-18 | 北京精密机电控制设备研究所 | A kind of servo valve dual input characteristic test system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |