CN106762872B - The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching - Google Patents
The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching Download PDFInfo
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- CN106762872B CN106762872B CN201610655052.1A CN201610655052A CN106762872B CN 106762872 B CN106762872 B CN 106762872B CN 201610655052 A CN201610655052 A CN 201610655052A CN 106762872 B CN106762872 B CN 106762872B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 239000002828 fuel tank Substances 0.000 claims description 17
- 239000000446 fuel Substances 0.000 claims description 8
- 230000033001 locomotion Effects 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- -1 hydraulic Pump Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Classifications
-
- 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
- F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
- F15B9/02—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type
- F15B9/08—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor
- F15B9/09—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member with servomotors of the reciprocatable or oscillatable type controlled by valves affecting the fluid feed or the fluid outlet of the servomotor with electrical control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
- B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
- B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
- B06B1/18—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency wherein the vibrator is actuated by pressure fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D41/00—Broaching machines or broaching devices characterised only by constructional features of particular parts
- B23D41/08—Broaching machines or broaching devices characterised only by constructional features of particular parts of drives; of control devices
- B23D41/083—Hydraulic drives
-
- 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
- F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/765—Control of position or angle of the output member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention relates to the exciting cylinder deviation correcting devices and method of 2D valve control vibration broaching, the device includes the exciting cylinder cylinder barrel connecting with 2D excitation valve, exciting the cylinder piston is equipped in exciting cylinder cylinder barrel, exciting the cylinder piston connects piston rod, exciting cylinder cylinder barrel outer right wall is equipped with proximity sensor, rectification oil passage in parallel in exciting oil supply loop, proximity sensor connects controller, controller is connect with rectification oil passage, proximity sensor is completed to correct the biasing of exciting the cylinder piston by controller error correct oil circuit for detecting exciting the cylinder piston position and issuing position signal to controller.The present invention is by installing proximity sensor on exciting cylinder cylinder barrel, it detects exciting cylinder piston rod position and position signal can be issued to controller, another oil circuit for being specifically used to correct the biasing of exciting the cylinder piston in parallel in exciting oil supply cylinder circuit simultaneously, it effectively prevents exciting the cylinder piston during the work time and is pulled to extreme position, not the problem of exciting cylinder does not generate vibration, and vibration broaching is failed.
Description
Technical field
The present invention relates to the exciting cylinder deviation correcting devices and method of a kind of 2D valve control vibration broaching, it is applied to vibration broaching dress
In setting.
Background technique
Based on the vibration broaching method of 2D valve control electrohydraulic excitation, include the composition such as master cylinder, exciting cylinder, broaching tool.Master cylinder
Cylinder barrel is mounted in lathe mechanism member, and main oil cylinder piston bar is fixed on exciting cylinder end cap by nut, and exciting cylinder end cap passes through
Screw is connected on exciting cylinder cylinder barrel, and broaching tool is fixed on exciting cylinder piston rod.In structure, master cylinder, exciting cylinder and broaching tool shape
At a cascaded structure, the movement of the mechanism includes stretching motion, exciting cylinder of the main oil cylinder piston bar relative to master cylinder cylinder barrel
Piston rod is vibrated relative to the high-frequency reciprocating of exciting cylinder cylinder barrel, and under master cylinder and exciting cylinder synergy, broaching tool is opposite
In the linear motion of workpiece.Wherein master cylinder is main driving part, and vibration cylinder is the driving part for generating high-frequency vibration a little.
When broaching, master cylinder is shunk, and is excited at the same time cylinder high-frequency vibration, completes broaching tool to the wire pulling method of workpiece.
Since the mechanism has connected an exciting cylinder on transmission chain, the purpose is to main motions (i.e. broaching direction) to apply master
Dynamic vibration, to achieve the purpose that reduce cutting force, reduce tool wear, raising broaching quality.Due to by the material of broaching workpiece,
Processing technology etc. can all influence cutting force, and general broaching is differed in several hundred kilograms to tens ton forces.Vibration cylinder is connected on broaching
In transmission chain, other than generating vibration and needing to overcome load inertia power, visco-elastic resistance forces and vibration acceleration, also to overcome normal
Cutting force.In addition, to achieve the purpose that vibrocutting, also require vibration frequency higher (in 150Hz or more), Oscillation Amplitude compared with
It is small.To meet above-mentioned performance requirement, 2D valve control electro-hydraulic vibration exciter is introduced, exciting of the vibration broaching to high frequency high thrust a little is met
Device performance requirement.And during normal vibration broaching, when vibration, exciting cylinder is in addition to inertia force to be overcome (Ma), viscous damping forces
(uv), also to overcome cutting force, so to calculate the dimensional parameters of exciting cylinder, and consider charge oil pressure, to meet the dynamics
It is required that.Formula is as follows:
In formulaRespectively exciting cylinder cylinder barrel and diameter of piston rod；Respectively chamber at left and right sides of exciting cylinder
Body pressure；For broaching tool components in load quality, such as figure；For visco-elastic resistance coefficient；For environmental stiffness and oil；
For cutting force；During vibration broaching, if the thrust that exciting cylinder generates is not enough to overcome cutting force, exciting the cylinder piston can be drawn
To extreme position, the vibration of exciting cylinder is no longer generated, vibration broaching failure.
Summary of the invention
For the above-mentioned problems in the prior art, the purpose of the present invention is to provide a kind of 2D valve control vibration broachings
Exciting cylinder deviation correcting device and method effectively prevent exciting the cylinder piston during the work time and are pulled to extreme position, and exciting cylinder is not
The problem of generating vibration, vibrating broaching failure.
The exciting cylinder deviation correcting device of the described 2D valve control vibration broaching, including the exciting cylinder cylinder barrel being connect with 2D excitation valve,
Exciting the cylinder piston is equipped in the exciting cylinder cylinder barrel, exciting the cylinder piston or so two sides is separately connected left piston bar and right piston bar,
Left piston bar and right piston rod end head are stretched out respectively at left and right sides of exciting cylinder cylinder barrel, it is characterised in that exciting cylinder cylinder barrel outer right wall
Equipped with proximity sensor, rectification oil passage in parallel in exciting oil supply loop, the proximity sensor connects controller, controller with entangle
Inclined oil circuit connection, proximity sensor is for detecting exciting the cylinder piston position and issuing position signal to controller, by controller control
Rectification oil passage processed biases to complete to correct exciting the cylinder piston.
The exciting cylinder deviation correcting device of the described 2D valve control vibration broaching, it is characterised in that rectification oil passage includes fuel tank, hydraulic
Pump, oil filter, overflow valve, normally closed two position two-way valve and check valve, swashing where fuel tank, hydraulic pump, oil filter and 2D excitation valve
The oil circuit that shakes shares oil, and check valve one end connects cavity on the left of exciting cylinder cylinder barrel, and normally closed two position two-way valve one end connects exciting cylinder cylinder
Cylinder right side cavity, the check valve other end are connect with the normally closed two position two-way valve other end, and fuel tank, oil filter and hydraulic pump are sequentially connected
Normally closed two position two-way valve is reconnected, overflow valve is arranged on the pipeline between hydraulic pump and normally closed two position two-way valve, and overflow valve is used
In oil pressure is turned up, normally closed two position two-way valve is used to control the on-off of the rectification oil passage.
The exciting cylinder method for correcting error of the exciting cylinder deviation correcting device of the 2D valve control vibration broaching, it is characterised in that including such as
Lower step:
1) proximity sensor is installed in exciting cylinder cylinder barrel outer right wall in advance, and sets exciting cylinder on proximity sensor
Safe distance of the piston relative to exciting cylinder cylinder barrel right side wall；
2) during broaching beginning or vibration broaching, exciting cylinder thrust is less than cutting force, and exciting the cylinder piston moves to right, when connecing
Nearly sensor detects that exciting the cylinder piston is less than the minimum safe distance of step 1) setting relative to exciting cylinder cylinder barrel right side wall distance
From when, proximity sensor issues the exciting the cylinder piston position signal that detects to controller, and controller is connected to proximity sensor
It is issued after signal to normally closed two position two-way valve and connects signal；
3) rectification oil passage is connected after the signal of normally closed two position two-way valve reception controller, the oil pump of fuel tank is gone out to pass through by hydraulic pump
To exciting cylinder right chamber fuel feeding after oil filter filtering, exciting the cylinder piston stops moving right under the action of right chamber oil pressure, then to
Movement on the left of exciting cylinder cylinder barrel, deviates extreme position；
4) during exciting the cylinder piston moves downward, when proximity sensor detects exciting the cylinder piston relative on the right side of cylinder barrel
When wall distance is greater than the minimum safe distance of step 1) setting, the position signal for the exciting cylinder piston rod that will test is sent to control
Device processed, issues shutdown signal to normally closed two position two-way valve while controller receives signal, and fuel tank stops supplying to exciting cylinder right chamber
Oil, rectification oil passage are shut down；
5) the electro-hydraulic vibration of 2D valve control operates normally, and exciting cylinder exports high frequency, high thrust, low amplitude vibration.
The exciting cylinder method for correcting error of the described 2D valve control vibration broaching, it is characterised in that exciting the cylinder piston in step 1) after
Continuous when moving to right, exciting the cylinder piston is less than minimum safe distance and the position that reaches capacity, exciting relative to exciting cylinder cylinder barrel right side wall
Cylinder vibration no longer generates, vibration broaching failure.
The exciting cylinder method for correcting error of the 2D valve control vibration broaching, it is characterised in that supplied in step 3) to exciting cylinder right chamber
The oil pressure size of oil is by overflow valve regulation.
The present invention is equipped with proximity sensor, exciting fuel feeding by using above-mentioned technology, by exciting cylinder cylinder barrel outer right wall
Rectification oil passage in parallel in circuit, proximity sensor detect exciting cylinder piston rod position and can issue position signal to controller, together
When in exciting oil supply cylinder circuit another oil circuit for being specifically used to correct the biasing of exciting the cylinder piston in parallel, the oil circuit include fuel tank,
Hydraulic pump, oil filter, overflow valve, normally closed two position two-way valve, check valve etc., overflow valve is for being turned up oil pressure, normally closed bi-bit bi-pass
Valve is used to control the on-off of the rectification oil passage, effectively prevents exciting the cylinder piston during the work time and is pulled to extreme position, swashs
Not the problem of vibration cylinder does not generate vibration, and vibration broaching is failed.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
In figure: 1-2D excitation valve, 2- exciting cylinder cylinder barrel, 3- right piston bar, 4- left piston bar 5- proximity sensor, 6- are unidirectional
Valve, the normally closed two position two-way valve of 7-, 8- overflow valve, 9- hydraulic pump, 10- oil filter, 11- fuel tank, 12- exciting the cylinder piston.
Specific embodiment
Below in conjunction with Figure of description, the invention will be further described, but protection scope of the present invention is not limited in
This:
As shown in Figure 1, the exciting cylinder deviation correcting device of 2D valve control vibration broaching of the invention, including connect with 2D excitation valve 1
Exciting cylinder cylinder barrel 2, be equipped with exciting the cylinder piston 12 in the exciting cylinder cylinder barrel 2,12 or so two sides of exciting the cylinder piston is separately connected
2 left and right sides of exciting cylinder cylinder barrel, exciting are stretched out in left piston bar 4 and right piston bar 3, left piston bar 4 and 3 end of right piston bar respectively
The side on 2 right side of cylinder cylinder barrel is equipped with proximity sensor 5, rectification oil passage in parallel in exciting oil supply loop, and the proximity sensor 5 connects
Controller is connect, controller is connect with rectification oil passage, and it is right relative to exciting cylinder cylinder barrel 2 that proximity sensor 5 detects exciting the cylinder piston 12
The position of side wall, when the position reaches setting position, proximity sensor 5 issues position signal to controller, by controller control
Rectification oil passage processed biases to complete to correct exciting the cylinder piston.
The rectification oil passage includes fuel tank 11, hydraulic pump 9, oil filter 10, overflow valve 8, normally closed two position two-way valve 7 and list
To valve 6, the exciting oil circuit where fuel tank 11, hydraulic pump 9, oil filter 10 and 2D excitation valve 1 shares oil, the connection of 6 one end of check valve
2 left side cavity of exciting cylinder cylinder barrel, normally closed 7 one end of two position two-way valve connect 2 right side cavity of exciting cylinder cylinder barrel, 6 other end of check valve
It is connect with normally closed 7 other end of two position two-way valve, fuel tank 11, oil filter 10 and hydraulic pump 9, which are sequentially connected, reconnects normally closed two two
Port valve 7, overflow valve 8 are arranged on the pipeline between hydraulic pump 9 and normally closed two position two-way valve 7, and overflow valve 8 is used to that oil pressure to be turned up,
Normally closed two position two-way valve 7 is used to control the on-off of the rectification oil passage.
As shown, the exciting cylinder method for correcting error of the exciting cylinder deviation correcting device of 2D valve control vibration broaching of the invention, special
Sign is to include the following steps:
1) proximity sensor 5 is installed in 2 outer right wall of exciting cylinder cylinder barrel in advance, and sets and swashs on proximity sensor 5
Minimum safe distance of the cylinder piston 12 of shaking relative to 2 right side wall of exciting cylinder cylinder barrel, the minimum safe distance are exciting the cylinder piston
12 relative to 2 right side wall minimum range of exciting cylinder cylinder barrel, and under the distance, and exciting the cylinder piston 12 can return, i.e., exciting cylinder is living
When plug 12 continues to move to right, exciting the cylinder piston 12 is less than minimum safe distance relative to 2 right side wall of exciting cylinder cylinder barrel and reaches capacity
Position, the vibration of exciting cylinder no longer generate, and vibration broaching failure, which is the 5%-15% of piston stroke, it and exciting cylinder
The factors such as piston vibration speed, load, inertia force are related, are keeping exciting oil supply cylinder circuit, rectification oil passage parameter, load, are being used to
Property the parameter stabilities such as power on the basis of, ascending adjustment safe distance, until can be realized correction target；
2) during broaching beginning or vibration broaching, exciting cylinder thrust is less than cutting force, and exciting the cylinder piston moves to right, when connecing
Nearly sensor 5 detects that exciting the cylinder piston 12 is less than the minimum peace of step 1) setting relative to 2 right side wall of exciting cylinder cylinder barrel distance
When full distance, proximity sensor 5 issues 12 position signal of exciting the cylinder piston detected to controller, and controller is connected to close to biography
It is issued after the signal of sensor 5 to normally closed two position two-way valve 7 and connects signal；
3) normally closed two position two-way valve 7, which receives, connects rectification oil passage after the signal of controller, and hydraulic pump 9 is by the oil pump of fuel tank 11
Out to exciting cylinder right chamber fuel feeding after the filtering of oil filter 10, the oil pressure size of Xiang Jizhen cylinder right chamber fuel feeding is adjusted by overflow valve 8, is swashed
The cylinder piston 12 of shaking stops moving right under the action of right chamber oil pressure, then to moving on the left of exciting cylinder cylinder barrel 2, deviate the limit
Position；
4) during exciting the cylinder piston 12 moves downward, when proximity sensor 5 detects exciting the cylinder piston 12 relative to cylinder
When cylinder right side wall distance is greater than the minimum safe distance of step 1) setting, the position signal for the exciting cylinder piston rod 12 that will test
It is sent to controller, issues shutdown signal to normally closed two position two-way valve 7 while controller receives signal, fuel tank 11 stops to sharp
Shake cylinder right chamber fuel feeding, and rectification oil passage is shut down；
5) the electro-hydraulic vibration of 2D valve control operates normally, and exciting cylinder exports high frequency, high thrust, low amplitude vibration, for of the invention
Broaching Technology is vibrated, so-called high frequency refers to that requirement excited frequency is greater than 100Hz, preferably 100-300 Hz；High thrust, which refers to, to be wanted
Exciting cylinder thrust is asked to be greater than cutting force, general cutting force is greater than 3000kgf, preferably 3000-10000kgf；Refer to requirement a little
Amplitude is less than 10mm.
Claims (3)
1. a kind of exciting cylinder method for correcting error of the exciting cylinder deviation correcting device based on 2D valve control vibration broaching, the 2D valve control vibration are drawn
The exciting cylinder deviation correcting device cut is set in the exciting cylinder cylinder barrel (2) including the exciting cylinder cylinder barrel (2) connecting with 2D excitation valve (1)
Have exciting the cylinder piston (12), exciting the cylinder piston (12) left and right two sides is separately connected left piston bar (4) and right piston bar (3), left work
Stopper rod (4) and right piston bar (3) end are stretched out respectively at left and right sides of exciting cylinder cylinder barrel (2), and exciting cylinder cylinder barrel (2) outer right wall is set
Have proximity sensor (5), rectification oil passage in parallel, the proximity sensor (5) connect controller, controller in exciting oil supply loop
It is connect with rectification oil passage, proximity sensor (5) is for detecting exciting the cylinder piston position and issuing position signal to controller, by controlling
Device error correct oil circuit processed biases to complete to correct exciting the cylinder piston；The rectification oil passage include fuel tank (11), hydraulic pump (9),
Oil filter (10), overflow valve (8), normally closed two position two-way valve (7) and check valve (6), fuel tank (11), hydraulic pump (9), oil filter
(10) oil is shared with the exciting oil circuit where 2D excitation valve (1), check valve (6) one end connects cavity on the left of exciting cylinder cylinder barrel (2),
Cavity, check valve (6) other end and normally closed bi-bit bi-pass on the right side of normally closed two position two-way valve (7) one end connection exciting cylinder cylinder barrel (2)
The connection of valve (7) other end, fuel tank (11), oil filter (10) and hydraulic pump (9), which are sequentially connected, reconnects normally closed two position two-way valve
(7), on the pipeline that overflow valve (8) is arranged between hydraulic pump (9) and normally closed two position two-way valve (7), overflow valve (8) is for being turned up
Oil pressure, normally closed two position two-way valve (7) are used to control the on-off of the rectification oil passage；It is characterized by comprising following steps:
1) in exciting cylinder cylinder barrel (2), outer right wall is installed proximity sensor (5) in advance, and is set on proximity sensor (5)
Safe distance of the exciting the cylinder piston (12) relative to exciting cylinder cylinder barrel (2) right side wall；
2) it broaches during beginning or vibration broaching, exciting cylinder thrust is less than cutting force, and exciting the cylinder piston moves to right, and passes when close
Sensor (5) detects that exciting the cylinder piston (12) is less than the minimum of step 1) setting relative to exciting cylinder cylinder barrel (2) right side wall distance
When safe distance, proximity sensor (5) issues exciting the cylinder piston (12) position signal detected to controller, and controller is connected to
It is issued after the signal of proximity sensor (5) to normally closed two position two-way valve (7) and connects signal；
3) normally closed two position two-way valve (7), which receives, connects rectification oil passage after the signal of controller, and hydraulic pump (9) is by the oil of fuel tank (11)
It pumps out after oil filter (10) filtering to exciting cylinder right chamber fuel feeding, exciting the cylinder piston (12) stops under the action of right chamber oil pressure
It moves right, then to movement on the left of exciting cylinder cylinder barrel (2), deviate extreme position；
4) during exciting the cylinder piston (12) moves downward, when proximity sensor (5) detect exciting the cylinder piston (12) relative to
When cylinder barrel right side wall distance is greater than the minimum safe distance of step 1) setting, the position letter for the exciting the cylinder piston (12) that will test
It number is sent to controller, issues shutdown signal to normally closed two position two-way valve (7) while controller receives signal, fuel tank (11) stops
Only to exciting cylinder right chamber fuel feeding, rectification oil passage is shut down；
5) the electro-hydraulic vibration of 2D valve control operates normally, and exciting cylinder exports high frequency, high thrust, low amplitude vibration.
2. exciting cylinder method for correcting error according to claim 1, it is characterised in that exciting the cylinder piston (12) in step 1) after
Continuous when moving to right, exciting the cylinder piston (12) is less than minimum safe distance and the position that reaches capacity relative to exciting cylinder cylinder barrel (2) right side wall
It sets, the vibration of exciting cylinder no longer generates, vibration broaching failure.
3. exciting cylinder method for correcting error according to claim 1, it is characterised in that exciting cylinder right chamber fuel feeding in step 3)
Oil pressure size is adjusted by overflow valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655052.1A CN106762872B (en) | 2016-08-11 | 2016-08-11 | The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610655052.1A CN106762872B (en) | 2016-08-11 | 2016-08-11 | The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762872A CN106762872A (en) | 2017-05-31 |
| CN106762872B true CN106762872B (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610655052.1A Active CN106762872B (en) | 2016-08-11 | 2016-08-11 | The exciting cylinder deviation correcting device and method of 2D valve control vibration broaching |
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| CN (1) | CN106762872B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109396540B (en) * | 2018-11-02 | 2023-10-27 | 杭州电子科技大学 | Excitation broaching device for dynamic pressurization of cavity and excitation parameter adjusting method thereof |
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| WO2008128641A1 (en) * | 2007-04-20 | 2008-10-30 | Zf Friedrichshafen Ag | Torsional vibration damper for the drivetrain of a vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6779432B2 (en) * | 2002-09-12 | 2004-08-24 | Sumitomo Heavy Industries, Ltd. | Servo circuit for use with air pressure actuator capable of improving speed control performance |
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2016
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|---|---|---|---|---|
| WO2008128641A1 (en) * | 2007-04-20 | 2008-10-30 | Zf Friedrichshafen Ag | Torsional vibration damper for the drivetrain of a vehicle |
| CN101502884B (en) * | 2009-03-13 | 2012-05-23 | 浙江工业大学 | Electrohydraulic servo-driving system for noncircular turning head |
| CN101603876A (en) * | 2009-06-30 | 2009-12-16 | 浙江工业大学 | Vibration waveform controlling system of electro-hydraulic exciter |
| CN101718291B (en) * | 2009-11-13 | 2012-12-19 | 浙江工业大学 | Large-flow high-frequency electrohydraulic exciting shock control valve drive system |
| CN105562814A (en) * | 2016-03-17 | 2016-05-11 | 浙江工业大学 | Vibration broaching method based on 2D shock excitation valve |
| CN206035919U (en) * | 2016-08-11 | 2017-03-22 | 浙江工业大学 | Excitation jar deviation correcting device of 2D valve accuse vibration broaching |
Non-Patent Citations (1)
| Title |
|---|
| 2D阀控电液激振器偏置控制的研究;丁媛媛等;《液压与气动》;20100115(第1期);论文第3.2节偏置量与偏置阀开口的关系，图1及图4 * |
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| CN106762872A (en) | 2017-05-31 |
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