CN106870508B - A kind of automatic running-in machine for hydraulic valve - Google Patents
A kind of automatic running-in machine for hydraulic valve Download PDFInfo
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- CN106870508B CN106870508B CN201510924676.4A CN201510924676A CN106870508B CN 106870508 B CN106870508 B CN 106870508B CN 201510924676 A CN201510924676 A CN 201510924676A CN 106870508 B CN106870508 B CN 106870508B
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- valve
- oil
- chamber
- machine
- hydraulic
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B19/00—Testing; Calibrating; Fault detection or monitoring; Simulation or modelling of fluid-pressure systems or apparatus not otherwise provided for
Abstract
The invention belongs to the adjustment fields of aircraft flight control Hydrauservo System hydraulic valve, propose a kind of automatic running-in machine for hydraulic valve, solve the problems, such as the clamping stagnation of spool valve pocket in hydraulic valve assembling process.Drip irrigation device are as follows: hydraulic oil is injected by fuel feed hole (4), double-stage hydraulic servo valve (2) are flowed by oil suction chamber, the output of twin-stage hydraulic servo (2) generation different pressures, so that the regular variation of pressure of 4 drive control chambers (9) (10) (11) (12), pressure difference is formed, drives and is automatically moved back and forth by hydraulic valve in the total chamber (1) of adjustment valve oil road control.
Description
Technical field
The invention belongs to the adjustment fields of aircraft flight control Hydrauservo System hydraulic valve.
Background technique
Generally in the debugging process of the flight control Hydrauservo System hydraulic valve of aircraft, often there is spool valve pocket fortune
During dynamic the phenomenon that mutual clamping stagnation, the reason of causing this failure, mainly has processing error, burr removal unclear.
According to existing literature and information, for clamping stagnation problem caused by processing error, can be solved by reprocessing；For
Clamping stagnation problem caused by burr removal is unclear, adjustment worker generally pass through deburring tool and polish, but due to spool with
Valve pocket has that spacing is smaller between more grooves and groove, be difficult to remove it is clean, so clamping stagnation problem happens occasionally.
Summary of the invention
The purpose of the present invention is: it proposes a kind of automatic running-in machine for hydraulic valve, solves in hydraulic valve assembling process
The clamping stagnation problem of spool valve pocket.
The technical scheme is that a kind of automatic running-in machine for hydraulic valve, the automatic running-in machine middle part
Be arranged side by side most 4 it is horizontal total chamber (1) is controlled by adjustment valve oil road, automatic running-in machine upper surface is equipped with 4 drivings and controls
Chamber (9) (10) (11) (12) processed is each to control total chamber (1) and 4 drive control chambers (9) (10) by adjustment valve oil road
(11) (12) are connected to, and 4 drive control chambers (9) (10) (11) (12) are each and by hydraulic in the total chamber (1) of adjustment valve oil road control
1 control chamber of valve is corresponding, and 4 drive control chambers (9) (10) (11) (12) connect with external double-stage hydraulic servo valve (2) upwards
Logical, automatic running-in machine is equipped with fuel feed hole (4), and fuel feed hole (4) passes through the oil suction chamber and double-stage hydraulic in automatic running-in machine
Servo valve (2) connection, automatic running-in machine are equipped with oil return hole (6), and oil return hole (6) is by oil return circuit (14) and by adjustment valve
Oil circuit controls total chamber (1) connection, the oil back chamber of the corresponding hydraulic valve in the outlet of oil return circuit (14)；
Hydraulic oil is injected by fuel feed hole (4), flows into double-stage hydraulic servo valve (2), twin-stage hydraulic servo by oil suction chamber
(2) output of different pressures is generated, so that the regular variation of pressure of 4 drive control chambers (9) (10) (11) (12), forms
Pressure difference drives and is automatically moved back and forth by hydraulic valve in the total chamber (1) of adjustment valve oil road control.
Automatic running-in machine is connect with external double-stage hydraulic servo valve (2) by screw (3).
Each one end for controlling total chamber (1) by adjustment valve oil road is provided with mandril (5), and mandril (5) is pushed can will to be ground
It closes the hydraulic valve that valve oil road controls in total chamber (1) and controls total chamber (1) other end release from by adjustment valve oil road.
Each drive control chamber for controlling total chamber (1) by adjustment valve oil road passes through the oil circuit ditch through-hole of a transverse direction
(13) corresponding drive control chamber connection in total chamber (1) is controlled by adjustment valve oil road with other, oil circuit ditch through-hole (13) is automatic
The hole on running-in machine surface is blocked with seal plug (7).
The invention has the advantages that it is original to realize that automatic adjustment shorten to the adjustment period directly to four hydraulic valves simultaneously
50%, adjustment disqualification rate of servo valve caused by making because of clamping stagnation reduces 95% or more, has almost prevented catching phenomenon
Occur.
Detailed description of the invention
Fig. 1 is hydraulic valve running-in machine assembling schematic diagram of the present invention.
Fig. 2 is that the hydraulic running-in machine oil circuit of the present invention is distributed partial schematic diagram.
Specific embodiment
The present invention is described in further details below.
Design philosophy of the invention is can to install the running-in test block of 4 hydraulic valves simultaneously by designing one kind, according to
The control oil circuit of four hydraulic valves is connected in certain combination, while by double-stage hydraulic servo valve as power source, will
The control circuit of bipolar hydraulic servo valve is connected accordingly according to the control oil circuit of hydraulic valve, by giving bipolar hydraulic servo
The instruction of valve sine, merges the spool of four hydraulic valves simultaneously with valve pocket, the adjustment frequency of the running-in machine can lead to amplitude
Device is overregulated to carry out automatically controlling.
As shown in Figure 1, 2, a kind of automatic running-in machine for hydraulic valve, the automatic running-in machine middle part are arranged side by side
Most 4 horizontal to control total chamber 1 by adjustment valve oil road, automatic running-in machine upper surface be equipped with 4 drive control chambers 9,10,
11,12, each to be connected to by the adjustment valve oil road total chamber 1 of control with 4 drive control chambers 9,10,11,12,4 drivings controls
Chamber 9,10,11,12 processed each with 1 control chamber of hydraulic valve in total chamber 1 is controlled by adjustment valve oil road corresponding, 4 drive controls
Chamber 9,10,11,12 is connected to external double-stage hydraulic servo valve 2 upwards, and automatic running-in machine is equipped with fuel feed hole 4, fuel feed hole 4
It is connected to by the oil suction chamber in automatic running-in machine with double-stage hydraulic servo valve 2, automatic running-in machine is equipped with oil return hole 6, returns
Oilhole 6 is connected to by oil return circuit 14 with by the adjustment valve oil road total chamber 1 of control, and the corresponding hydraulic valve in the outlet of oil return circuit 14 returns
Oil pocket；
Hydraulic oil is injected by fuel feed hole 4, flows into double-stage hydraulic servo valve 2 by oil suction chamber, twin-stage hydraulic servo 2 generates
The output of different pressures drives so that the regular variation of pressure of 4 drive control chambers 9,10,11,12, forms pressure difference
Hydraulic valve in total chamber 1 is controlled by adjustment valve oil road to automatically move back and forth.
Automatic running-in machine is connect with external double-stage hydraulic servo valve 2 by screw 3.
Each one end for controlling total chamber 1 by adjustment valve oil road is provided with mandril 5, pushes mandril 5 can will be by adjustment valve oil
Road controls the hydraulic valve in total chamber 1 and controls total 1 other end of chamber release from by adjustment valve oil road.
It is each by adjustment valve oil road control a drive control chamber of total chamber 1 by the oil circuit ditch through-hole 13 of a transverse direction with
Other to control corresponding drive control chamber connection in total chamber 1 by adjustment valve oil road, oil circuit ditch through-hole 13 is in automatic running-in machine table
The hole seal plug 7 in face blocks.
In the automatic running-in machine 4 control chambers of double-stage hydraulic servo valve 2 and adjustment block in 4 drive control chambers 9,
10, it 11,12 connects one to one, by instructing to double-stage hydraulic servo valve 2 is sinusoidal, double-stage hydraulic servo valve 2 generates different pressures
The output of power, so that the regular variation of pressure of drive control chamber 9,10,11,12 realizes hydraulic valve to form pressure difference
Automatically move back and forth, friction speed difference may be implemented in the difference of frequency and amplitude according further to the sinusoidal instruction of input
The automatic adjustment formed.The spool merged is released by mandril 5 after the completion of adjustment, with easy to disassemble.
Claims (4)
1. a kind of automatic running-in machine for hydraulic valve, which is characterized in that be arranged side by side most in the middle part of the automatic running-in machine
More 4 horizontal to control total chamber (1) by adjustment valve oil road, automatic running-in machine upper surface be equipped with 4 drive control chambers (9,10,
11,12), each to be connected to by the adjustment valve oil road total chamber (1) of control with 4 drive control chambers (9,10,11,12), 4
A drive control chamber (9,10,11,12) is each and by 1 control chamber pair of hydraulic valve in the total chamber (1) of adjustment valve oil road control
It answers, 4 drive control chambers (9,10,11,12) are connected to external double-stage hydraulic servo valve (2) upwards, automatic running-in machine
It being equipped with fuel feed hole (4), fuel feed hole (4) is connected to by the oil suction chamber in automatic running-in machine with double-stage hydraulic servo valve (2), from
Dynamic running-in machine is equipped with oil return hole (6), and oil return hole (6) controls total chamber (1) with by adjustment valve oil road by oil return circuit (14)
Connection, the oil back chamber of the corresponding hydraulic valve in the outlet of oil return circuit (14)；
Hydraulic oil is injected by fuel feed hole (4), is flowed into double-stage hydraulic servo valve (2) by oil suction chamber, and twin-stage hydraulic servo (2) produces
The output of raw different pressures, so that the regular variation of pressure of 4 drive control chambers (9) (10) (11) (12), forms pressure
Difference drives and is automatically moved back and forth by hydraulic valve in the total chamber (1) of adjustment valve oil road control.
2. a kind of automatic running-in machine for hydraulic valve as described in claim 1, which is characterized in that automatic running-in machine with
External double-stage hydraulic servo valve (2) is connected by screw (3).
3. a kind of automatic running-in machine for hydraulic valve as described in claim 1, which is characterized in that each by adjustment valve oil
One end that road controls total chamber (1) is provided with mandril (5), and mandril (5) is pushed can will to be controlled in total chamber (1) by adjustment valve oil road
Hydraulic valve controls total chamber (1) other end release from by adjustment valve oil road.
4. a kind of automatic running-in machine for hydraulic valve as described in claim 1, which is characterized in that
It is each by adjustment valve oil road control a drive control chamber of total chamber (1) by the oil circuit ditch through-hole (13) of a transverse direction with
Other to be connected to by corresponding drive control chamber in the total chamber (1) of adjustment valve oil road control, oil circuit ditch through-hole (13) is attached together in automatic grinding
The hole for setting surface is blocked with seal plug (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924676.4A CN106870508B (en) | 2015-12-11 | 2015-12-11 | A kind of automatic running-in machine for hydraulic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510924676.4A CN106870508B (en) | 2015-12-11 | 2015-12-11 | A kind of automatic running-in machine for hydraulic valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106870508A CN106870508A (en) | 2017-06-20 |
| CN106870508B true CN106870508B (en) | 2019-05-10 |
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ID=59177565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510924676.4A Active CN106870508B (en) | 2015-12-11 | 2015-12-11 | A kind of automatic running-in machine for hydraulic valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN106870508B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112692680B (en) * | 2021-01-04 | 2022-05-03 | 东风汽车股份有限公司 | Steering engine valve running-in device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402180A (en) * | 2008-11-18 | 2009-04-08 | 北京精密机电控制设备研究所 | Auxiliary overlap joint hydraulic match grinding process for spool valve of servo valve |
| CN102108992A (en) * | 2009-12-25 | 2011-06-29 | 鞍钢股份有限公司 | Method for determining and maintaining defect of servo valve |
| CN204592410U (en) * | 2015-03-27 | 2015-08-26 | 浙江工业大学 | For high speed rotary valve and the flow parameter real-time detection apparatus of visual inspection |
| CN105041753A (en) * | 2015-08-21 | 2015-11-11 | 华中科技大学 | Water pressure servo valve |
| CN205277999U (en) * | 2015-12-11 | 2016-06-01 | 中国航空工业第六一八研究所 | A automatic running -in machine for hydrovalve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5482790A (en) * | 1977-12-15 | 1979-07-02 | Teijin Seiki Co Ltd | Matching grinding method and matching grinding device for valve spool |
-
2015
- 2015-12-11 CN CN201510924676.4A patent/CN106870508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101402180A (en) * | 2008-11-18 | 2009-04-08 | 北京精密机电控制设备研究所 | Auxiliary overlap joint hydraulic match grinding process for spool valve of servo valve |
| CN102108992A (en) * | 2009-12-25 | 2011-06-29 | 鞍钢股份有限公司 | Method for determining and maintaining defect of servo valve |
| CN204592410U (en) * | 2015-03-27 | 2015-08-26 | 浙江工业大学 | For high speed rotary valve and the flow parameter real-time detection apparatus of visual inspection |
| CN105041753A (en) * | 2015-08-21 | 2015-11-11 | 华中科技大学 | Water pressure servo valve |
| CN205277999U (en) * | 2015-12-11 | 2016-06-01 | 中国航空工业第六一八研究所 | A automatic running -in machine for hydrovalve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106870508A (en) | 2017-06-20 |
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