CN205277999U - A automatic running -in machine for hydrovalve - Google Patents
A automatic running -in machine for hydrovalve Download PDFInfo
- Publication number
- CN205277999U CN205277999U CN201521035355.0U CN201521035355U CN205277999U CN 205277999 U CN205277999 U CN 205277999U CN 201521035355 U CN201521035355 U CN 201521035355U CN 205277999 U CN205277999 U CN 205277999U
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- break
- valve
- chamber
- oil circuit
- automatic
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Abstract
The utility model belongs to the field of debuging of aircraft flight control hydraulic pressure servo hydrovalve provides an automatic running -in machine for hydrovalve, solves the jamming problem of hydraulic pressure valve assembly in -process case valve barrel. The technical scheme main points do: hydraulic oil passes through inlet port (4) and pours into into, and process oil feed chamber stream enters doublestage hydraulic servo valve (2), and doublestage liquid servovalve (2) produces the output of different pressure for 4 the regular change of pressure of individual drive control chamber (9) (10) (11) (12) forms the pressure differential, drives by the automatic reciprocating motion of hydrovalve in break -in valve oil way control total chamber (1).
Description
Technical field
What the invention belongs to aircraft flight hydraulic control servosystem hydraulicvalve debugs field.
Background technology
General in the debug process of the flight controlling hydraulic efficiency servo-system hydraulicvalve of aircraft, the phenomenon that in spool valve pocket moving process, card is stagnant mutually often occurs, causes that the reason of this kind of fault mainly contains processing error, burr is removed unclear.
According to existing document and made, the stagnant problem of card that processing error is caused, can by reprocessing solution; The unclear stagnant problem of the card caused is removed for burr, debugs workman and generally polished by deburring tool, but have spacing between many grooves and groove due to spool and valve pocket less, it is very difficult to removing clean, happening occasionally so blocking stagnant problem.
Summary of the invention
It is an object of the invention to: propose a kind of automatic break-in device for hydraulicvalve, solve the stagnant problem of card of spool valve pocket in hydraulicvalve assembling process.
The technical scheme of the present invention is: a kind of automatic break-in device for hydraulicvalve, what be arranged side by side maximum 4 levels in the middle part of described automatic break-in device is controlled total chamber (1) by break-in valve oil circuit, automatic break-in device upper surface is provided with 4 drived control chambeies (9) (10) (11) (12), each is controlled total chamber (1) by break-in valve oil circuit and is connected with described 4 drived control chambeies (9) (10) (11) (12), 4 drived control chambeies (9) (10) (11) (12) each with to be controlled 1 control chamber of hydraulicvalve in total chamber (1) by break-in valve oil circuit corresponding, 4 drived control chambeies (9) (10) (11) (12) are upwards connected with external double-stage hydraulic servo-valve (2), automatic break-in device is provided with oil supply hole (4), oil supply hole (4) is connected with double-stage hydraulic servo-valve (2) by the oil suction chamber in automatic break-in device, automatic break-in device is provided with oil return hole (6), oil return hole (6) by oil return loop (14) with controlled total chamber (1) by break-in valve oil circuit and be connected, the oil back chamber of the corresponding hydraulicvalve of the outlet in oil return loop (14),
Hydraulic efficiency oil is injected by oil supply hole (4), double-stage hydraulic servo-valve (2) is flow to through oil suction chamber, two grades of hydraulic servos (2) produce the output of different pressures, the change making the pressure of 4 drived control chambeies (9) (10) (11) (12) regular, mineralization pressure is poor, drives and is controlled hydraulicvalve automatic reciprocating motion in total chamber (1) by break-in valve oil circuit.
Automatic break-in device is connected by screw (3) with external double-stage hydraulic servo-valve (2).
Each one end being controlled total chamber (1) by break-in valve oil circuit is provided with push rod (5), promotes push rod (5) can release being controlled the hydraulicvalve in total chamber (1) by break-in valve oil circuit from being controlled total chamber (1) the other end by break-in valve oil circuit.
Each drived control chamber being controlled total chamber (1) by break-in valve oil circuit is controlled in total chamber (1) corresponding drived control chamber connection with other by break-in valve oil circuit by oil circuit ditch through hole (13) of a transverse direction, and oil circuit ditch through hole (13) blocks at the hole seal plug (7) of automatic break-in apparatus surface.
It is an advantage of the invention that: four hydraulicvalves are realized automatic break-in simultaneously and make the cycle of debuging directly shorten to original 50%, make the servo-valve caused because card is stagnant once debug defective rate and reduce more than 95%, almost stopped the generation of catching phenomenon.
Accompanying drawing explanation
Fig. 1 is hydraulicvalve break-in device of the present invention assembling schematic diagram.
Fig. 2 is hydraulic pressure break-in device oil circuit of the present invention distribution partial schematic diagram.
Embodiment
Below the present invention is described in further details.
The design philosophy of the present invention is by designing a kind of running-in test block that can install 4 hydraulicvalves simultaneously, according to certain combination, the oil circuit control of four hydraulicvalves is connected, simultaneously by double-stage hydraulic servo-valve as propulsion source, the pilot circuit of bipolar hydraulic servo-valve is connected accordingly according to the oil circuit control of hydraulicvalve, by giving bipolar hydraulic servo-valve sinusoidal instruction, making spool and the valve pocket break-in simultaneously of four hydraulicvalves, the break-in frequency of this break-in device and amplitude all control automatically by setter.
Such as Fig. 1, shown in 2, a kind of automatic break-in device for hydraulicvalve, what be arranged side by side maximum 4 levels in the middle part of described automatic break-in device is controlled total chamber 1 by break-in valve oil circuit, automatic break-in device upper surface is provided with 4 drived control chambeies 9, 10, 11, 12, each is controlled total chamber 1 and described 4 drived control chambeies 9 by break-in valve oil circuit, 10, 11, 12 are connected, 4 drived control chambeies 9, 10, 11, 12 each with to be controlled 1 control chamber of hydraulicvalve in total chamber 1 by break-in valve oil circuit corresponding, 4 drived control chambeies 9, 10, 11, 12 are upwards connected with external double-stage hydraulic servo-valve 2, automatic break-in device is provided with oil supply hole 4, oil supply hole 4 is connected with double-stage hydraulic servo-valve 2 by the oil suction chamber in automatic break-in device, automatic break-in device is provided with oil return hole 6, oil return hole 6 by oil return loop 14 with controlled total chamber 1 by break-in valve oil circuit and be connected, the oil back chamber of the corresponding hydraulicvalve of the outlet in oil return loop 14,
Hydraulic efficiency oil is injected by oil supply hole 4, double-stage hydraulic servo-valve 2 is flow to through oil suction chamber, two grades of hydraulic servos 2 produce the output of different pressures, the change making the pressure in 4 drived control chambeies 9,10,11,12 regular, mineralization pressure is poor, drives and is controlled hydraulicvalve automatic reciprocating motion in total chamber 1 by break-in valve oil circuit.
Automatic break-in device is connected by screw 3 with external double-stage hydraulic servo-valve 2.
Each one end being controlled total chamber 1 by break-in valve oil circuit is provided with push rod 5, promotes push rod 5 can release being controlled the hydraulicvalve in total chamber 1 by break-in valve oil circuit from being controlled total chamber 1 the other end by break-in valve oil circuit.
Each drived control chamber being controlled total chamber 1 by break-in valve oil circuit is controlled in total chamber 1 corresponding drived control chamber with other by break-in valve oil circuit by the oil circuit ditch through hole 13 of a transverse direction and is connected, and oil circuit ditch through hole 13 blocks at the hole seal plug 7 of automatic break-in apparatus surface.
In this automatic break-in device, 4 the drived control chambeies 9,10,11,12 in 4 control chambers of double-stage hydraulic servo-valve 2 and break-in block connect one to one, by giving double-stage hydraulic servo-valve 2 sinusoidal instruction, double-stage hydraulic servo-valve 2 produces the output of different pressures, the change making the pressure in drived control chamber 9,10,11,12 regular, thus mineralization pressure is poor, realize the automatic reciprocating motion of hydraulicvalve, in addition according to the frequency of sinusoidal instruction and the different of amplitude of input, it is possible to realize the automatic break-in that friction-motion speed difference is formed. Break-in is released by the spool of break-in by push rod 5 after completing, with for convenience detach.
Claims (4)
1. the automatic break-in device for hydraulicvalve, it is characterized in that, what be arranged side by side maximum 4 levels in the middle part of described automatic break-in device is controlled total chamber (1) by break-in valve oil circuit, automatic break-in device upper surface is provided with 4 drived control chambeies (9) (10) (11) (12), each is controlled total chamber (1) by break-in valve oil circuit and is connected with described 4 drived control chambeies (9) (10) (11) (12), 4 drived control chambeies (9) (10) (11) (12) each with to be controlled 1 control chamber of hydraulicvalve in total chamber (1) by break-in valve oil circuit corresponding, 4 drived control chambeies (9) (10) (11) (12) are upwards connected with external double-stage hydraulic servo-valve (2), automatic break-in device is provided with oil supply hole (4), oil supply hole (4) is connected with double-stage hydraulic servo-valve (2) by the oil suction chamber in automatic break-in device, automatic break-in device is provided with oil return hole (6), oil return hole (6) by oil return loop (14) with controlled total chamber (1) by break-in valve oil circuit and be connected, the oil back chamber of the corresponding hydraulicvalve of the outlet in oil return loop (14),
Hydraulic efficiency oil is injected by oil supply hole (4), double-stage hydraulic servo-valve (2) is flow to through oil suction chamber, two grades of hydraulic servos (2) produce the output of different pressures, the change making the pressure of 4 drived control chambeies (9) (10) (11) (12) regular, mineralization pressure is poor, drives and is controlled hydraulicvalve automatic reciprocating motion in total chamber (1) by break-in valve oil circuit.
2. a kind of automatic break-in device for hydraulicvalve as claimed in claim 1, it is characterised in that, automatic break-in device is connected by screw (3) with external double-stage hydraulic servo-valve (2).
3. a kind of automatic break-in device for hydraulicvalve as claimed in claim 1, it is characterized in that, each one end being controlled total chamber (1) by break-in valve oil circuit is provided with push rod (5), promotes push rod (5) can release being controlled the hydraulicvalve in total chamber (1) by break-in valve oil circuit from being controlled total chamber (1) the other end by break-in valve oil circuit.
4. a kind of automatic break-in device for hydraulicvalve as claimed in claim 1, it is characterised in that,
Each drived control chamber being controlled total chamber (1) by break-in valve oil circuit is controlled in total chamber (1) corresponding drived control chamber connection with other by break-in valve oil circuit by oil circuit ditch through hole (13) of a transverse direction, and oil circuit ditch through hole (13) blocks at the hole seal plug (7) of automatic break-in apparatus surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521035355.0U CN205277999U (en) | 2015-12-11 | 2015-12-11 | A automatic running -in machine for hydrovalve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521035355.0U CN205277999U (en) | 2015-12-11 | 2015-12-11 | A automatic running -in machine for hydrovalve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205277999U true CN205277999U (en) | 2016-06-01 |
Family
ID=56062579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521035355.0U Withdrawn - After Issue CN205277999U (en) | 2015-12-11 | 2015-12-11 | A automatic running -in machine for hydrovalve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205277999U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870508A (en) * | 2015-12-11 | 2017-06-20 | 中国航空工业第六八研究所 | A kind of automatic running-in machine for hydraulic valve |
-
2015
- 2015-12-11 CN CN201521035355.0U patent/CN205277999U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106870508A (en) * | 2015-12-11 | 2017-06-20 | 中国航空工业第六八研究所 | A kind of automatic running-in machine for hydraulic valve |
| CN106870508B (en) * | 2015-12-11 | 2019-05-10 | 中国航空工业第六一八研究所 | A kind of automatic running-in machine for hydraulic valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160601 Effective date of abandoning: 20190510 |
|
| AV01 | Patent right actively abandoned |