CN106843043B - A kind of motion for Machine Design coordinates checking device - Google Patents
A kind of motion for Machine Design coordinates checking device Download PDFInfo
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- CN106843043B CN106843043B CN201710037246.XA CN201710037246A CN106843043B CN 106843043 B CN106843043 B CN 106843043B CN 201710037246 A CN201710037246 A CN 201710037246A CN 106843043 B CN106843043 B CN 106843043B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
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Abstract
The invention belongs to technical field of mechanical design, especially a kind of motion for Machine Design coordinates checking device, it is complicated for what is coordinated between movement relation in mechanical design processes, and the signal of motion cooperation checking is easily disturbed the problem of influenceing judged result, now propose following scheme, including housing, MCU, amplifying circuit and de-noising circuit, the first chute is offered on the both sides inwall of the housing, horizontally disposed support base is provided with housing, the bottom both sides of support base are mounted on support bar, the top of support base is provided with fixed plate by alignment pin, the side of fixed plate is provided with rotary electric machine by screw, the top of rotary electric machine is provided with supporting plate, output shaft one end of rotary electric machine is installed with gear, speed probe is also embedded with the output shaft of rotary electric machine.The present invention accurately can carry out detection checking to motion matching relationship, and can eliminate impurity signal, avoid influenceing judged result, improve the quality of checking.
Description
Technical field
The present invention relates to technical field of mechanical design, more particularly to a kind of motion for Machine Design to coordinate checking dress
Put.
Background technology
At present, in the motion scheme design of machinery is carried out, it is necessary to ensure that relation correctly may be used between the motion of mutual cooperation
Lean on, completing the conventional method of this work has：Computer motion simulation, model emulation and model machine checking.Due to every machine
The function difference to be completed of device is very big, and required motion cooperation and Components Shape are difficult unification, every time must be repeatedly similar
Checking flow, consume substantial amounts of man power and material.Required routing motion is produced, computer motion simulation uses virtual
Technology, ensure that the functional relation of motion is correct by a large amount of computings, the phase interworking between moving show on screen with mathematical modeling
Close, there is very strong flexibility and adaptability；But this kind of checking is virtual and perfect condition after all, it is also necessary to further in kind
Checking, and realize that this kind of checking needs special development platform and good operational capacity.Model emulation uses what is played with building blocks
Method, required block combiner is selected in substantial amounts of standard module into motion or driving-chain, due to the particularity of routing motion,
It is sometimes difficult to find suitable module, it is necessary to substituted with approximate motion.Although module verification have very strong intuitive and
Authenticity, but it is difficult to ensure that the accuracy and dynamic property of routing motion.
Verify that motion coordinates with model machine, most have authoritative weight, also closest to truth, but a full set must be manufactured
Parts, although easy processing material can be selected, need to pay expensive design and processing charges, it is difficult in common mechanical
Used in design, therefore the motion for Machine Design proposed in existing Application No. 201420536154.8 coordinates checking
Device, by Pulse Width Control movement position and movement velocity, although motion generation is simple, to actual shift position and movement velocity
Checking data restrictive, measurement accuracy is high；
The motion for a kind of Machine Design that existing Application No. 201510895266.1 proposes in addition coordinates checking
Device, monitor the rotating speed of motion motor simply by speed induction machine and data-analyzing machine reaches accurately analysis result, and
Actually speed induction machine can be interfered in monitoring signals has impurity signal, easily influences judged result, it is impossible to carry
The accuracy of high the result.
The content of the invention
A kind of motion for Machine Design proposed by the present invention coordinates checking device, solves in mechanical design processes and transports
Coordinate between dynamic relation it is complicated, and the problem of motion coordinates the signal of checking to be easily disturbed to influence judged result.
A kind of motion for Machine Design proposed by the present invention coordinates checking device, including housing, MCU, amplifying circuit
And de-noising circuit, the housing are cavity structure, and the first chute is offered on the both sides inwall of the housing, is provided with housing
Horizontally disposed support base, and the both ends of support base and the inwall of the first chute are slidably connected, the bottom both sides of support base are pacified
Equipped with the support bar being vertically arranged, the top of support base is provided with the fixed plate being vertically arranged by alignment pin, and the one of fixed plate
Side is provided with rotary electric machine by screw, and the top of rotary electric machine is provided with horizontally disposed supporting plate, and supporting plate is welded in admittedly
The side of fixed board, output shaft one end of rotary electric machine are installed with gear, rotating speed are also embedded with the output shaft of rotary electric machine
Sensor；
The speed probe, amplifying circuit, de-noising circuit and MCU are sequentially connected, and wherein amplifying circuit includes photoelectricity coupling
Clutch T, resistance R1, electric capacity C1, inductance L1 and triode Q1, photoelectrical coupler T input are connected with speed probe, photoelectricity
Coupler T VCC ends are connected with+5V power supply, and photoelectrical coupler T output end is connected with resistance R1 one end, resistance R1's
The other end is connected with electric capacity C1 one end, the electric capacity C1 other end respectively 1 pin with triode Q1, inductance L1 one end and+
12V power supplys connect, and the inductance L1 other end is connected to triode Q1 3 pins and resistance R3 one end, and the 2 of triode Q1
Pin is connected with resistance R2 one end, and the resistance R2 other end is connected to triode Q2 2 pins and resistance R6 one end,
The resistance R6 other end is connected with MCU, and triode Q2 1 pin is connected with resistance R4 one end, resistance R4 other end difference
Electric capacity C2 one end and resistance R5 one end are connected with, and the resistance R5 other end is connected with triode Q3 1 pin, triode
Q3 2 pins are connected to the resistance R3 other end and resistance R7 one end, and the resistance R7 other end is connected with MCU；
The supporting plate offers horizontally disposed second chute and the first opening respectively close to the side of support base, wherein
Second chute and the first opening in communication, first is opened in the bottom of supporting plate, and slip is slidably connected in the first opening
Plate, and one end of sliding panel is extended in the second chute, the both sides of sliding panel offer neck, and spin is provided with neck, its
A part for middle spin extends to the outside of neck, and spin and the inwall of the second chute are slidably connected, and the bottom of sliding panel leads to
Cross screw and cylinder is installed, cylinder is located at the both sides of rotary electric machine, is connected with test board between the piston rod of cylinder, test board leans on
The side of nearly supporting plate is provided with the rack being meshed with gear, and the bottom of test board is embedded with displacement transducer, and displacement sensing
Device and MCU input are connected, and MCU output end is connected with cylinder and rotary electric machine respectively, and the output end of rotary electric machine is with turning
Fast sensor connection.
Preferably, the bottom both sides on the support base are equipped with placed cavity, and placed cavity is interior to be provided with push rod by screw
Motor, and the output shaft of push-rod electric machine is connected with support bar, push-rod electric machine and MCU output end connection.
Preferably, the top of the housing is provided with the second opening, and the side inwall of the second opening is hinged with door, and second
The length of opening is more than the length of fixed plate.
Preferably, it is equipped with projection on the mutually remote side inwall of the neck, wherein spin is by between projection
Gap is extended in the second chute, and spin is slidably connected with projection.
Preferably, the de-noising circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, three poles
Pipe Q2, triode Q3 and electric capacity C2.
Preferably, the resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7 resistance point
Wei not 10K Ω, 15K Ω, 20K Ω, 10K Ω, 20K Ω, 15K Ω and 25K Ω.
Preferably, 3 pins of the described one end of electric capacity C2 away from resistance R4, triode Q3 3 pins and triode Q2 are equal
Ground connection.
Preferably, the capacitance of the electric capacity C1 and electric capacity C2 are respectively 20uF and 40uF.
Preferably, the MCU is fixedly installed on the inwall of housing by alignment pin, and housing close to MCU side also
Provided with thermovent.
Preferably, the thermovent is tilted structure, and thermovent is more than close to level height residing for the side of housing
Thermovent is away from level height residing for the side of housing.
Compared with prior art, the beneficial effects of the invention are as follows：
1st, rotated in the present invention by rotary electric machine drive gear, and then drive the position movement of test board horizontal direction,
Coordinate spin to be reciprocatingly slided in the second chute, improve the flexibility of motion, while drive test board to be vertical side using cylinder
To motion, the convenient checking for carrying out different directions motion matching relationship in mechanical design processes.
2nd, the detection signal of speed probe can be amplified in the present invention by amplifying circuit, detection accuracy is improved, protect
The result of cooperation is moved in card mechanical design processes.
3rd, the impurity signal in speed probe detection signal can be eliminated in the present invention by de-noising circuit, avoids influenceing
MCU judged result.
4th, fixed plate is driven to move up and down by push-rod electric machine in the present invention, the convenient observation motion in verification process coordinates
Part, improve the quality of checking.
The present invention is reasonable in design, simple in construction, accurately can carry out detection checking to motion matching relationship, and can disappear
Removal of impurity signal, avoid influenceing judged result, improve the quality of checking, cost is low.
Brief description of the drawings
Fig. 1 is the theory diagram that a kind of motion for Machine Design proposed by the present invention coordinates checking device；
Fig. 2 is that a kind of motion for Machine Design proposed by the present invention coordinates the main view of checking device to dissect structural representation
Figure；
Fig. 3 is the part detailed structure signal that a kind of motion for Machine Design proposed by the present invention coordinates checking device
Figure；
Fig. 4 is the fragmentary bottom structural representation that a kind of motion for Machine Design proposed by the present invention coordinates checking device
Figure.
In figure：1 housing, 2 first chutes, 3 fixed plates, 4 support bases, 5 supporting plates, 6 second openings, 7 doors, 8 second are slided
Groove, 9 cylinders, 10 rotary electric machines, 11 test boards, 12 displacement transducers, 13 placed cavities, 14 push-rod electric machines, 15 support bars, 16 teeth
Wheel, 17 racks, 18 spin, 19 first openings, 20 sliding panels, 21 necks.
Embodiment
The present invention is made with reference to specific embodiment further to explain.
Embodiment
Reference picture 1-4, a kind of motion for Machine Design coordinate checking device, including housing 1, MCU, amplifying circuit and
De-noising circuit, housing 1 are cavity structure, and the first chute 2 is offered on the both sides inwall of housing 1, is set in housing 1 provided with level
The support base 4 put, and the both ends of support base 4 and the inwall of the first chute 2 are slidably connected, the bottom both sides of support base 4 are respectively mounted
There is the support bar 15 being vertically arranged, the top of support base 4 is provided with the fixed plate 3 being vertically arranged by alignment pin, fixed plate 3
Side is provided with rotary electric machine 10 by screw, and the top of rotary electric machine 10 is provided with horizontally disposed supporting plate 5, and supporting plate 5
The side of fixed plate 3 is welded in, output shaft one end of rotary electric machine 10 is installed with gear 16, the output shaft of rotary electric machine 10
On be also embedded with speed probe；
Speed probe, amplifying circuit, de-noising circuit and MCU are sequentially connected, and wherein amplifying circuit includes photoelectrical coupler
T, resistance R1, electric capacity C1, inductance L1 and triode Q1, photoelectrical coupler T input are connected with speed probe, photoelectric coupling
Device T VCC ends are connected with+5V power supply, and photoelectrical coupler T output end is connected with resistance R1 one end, and resistance R1's is another
End is connected with electric capacity C1 one end, and 1 pin with triode Q1, inductance L1 one end and+12V are electric respectively for the electric capacity C1 other end
Source connects, and the inductance L1 other end is connected to triode Q1 3 pins and resistance R3 one end, triode Q1 2 pins
Resistance R2 one end is connected with, the resistance R2 other end is connected to triode Q2 2 pins and resistance R6 one end, resistance
The R6 other end is connected with MCU, and triode Q2 1 pin is connected with resistance R4 one end, and the resistance R4 other end connects respectively
There are electric capacity C2 one end and resistance R5 one end, and the resistance R5 other end is connected with triode Q3 1 pin, triode Q3's
2 pins are connected to the resistance R3 other end and resistance R7 one end, and the resistance R7 other end is connected with MCU；
Supporting plate 5 offers the horizontally disposed opening of second chute 8 and first 19 respectively close to the side of support base 4, its
In the second chute 8 19 be connected with the first opening, the first opening 19 is opened in the bottom of supporting plate 5, is slided in the first opening 19
Sliding panel 20 is connected with, and one end of sliding panel 20 is extended in the second chute 8, the both sides of sliding panel 20 offer neck
21, neck 21 is interior to be provided with spin 18, and a part for wherein spin 18 extends to the outside of neck 21, and the chute of spin 18 and second
8 inwall is slidably connected, and the bottom of sliding panel 20 is provided with cylinder 9 by screw, and cylinder 9 is located at the both sides of rotary electric machine 10,
Test board 11 is connected between the piston rod of cylinder 9, test board 11 is provided with what is be meshed with gear 16 close to the side of supporting plate 5
Rack 17, the bottom of test board 11 is embedded with displacement transducer 12, and displacement transducer 12 is connected with MCU input, MCU's
Output end is connected with cylinder 9 and rotary electric machine 10 respectively, and the output end of rotary electric machine 10 is connected with speed probe.
In the present embodiment, the bottom both sides on support base 4 are equipped with placed cavity 13, are provided with placed cavity 13 by screw
Push-rod electric machine 14, and the output shaft of push-rod electric machine 14 is connected with support bar 15, push-rod electric machine 14 is connected with MCU output end, shell
The top of body 1 is provided with the second opening 6, and the side inwall of the second opening 6 is hinged with door 7, and the length of the second opening 6 is more than solid
The length of fixed board 3, projection is equipped with the mutually remote side inwall of neck 21, wherein spin 18 is prolonged by the gap between projection
Extend in the second chute 8, and spin 18 is slidably connected with projection, de-noising circuit includes resistance R2, resistance R3, resistance R4, resistance
R5, resistance R6, resistance R7, triode Q2, triode Q3 and electric capacity C2, resistance R1, resistance R2, resistance R3, resistance R4, resistance
R5, resistance R6 and resistance R7 resistance are respectively 10K Ω, 15K Ω, 20K Ω, 10K Ω, 20K Ω, 15K Ω and 25K Ω, electric capacity
3 pins of the one end of C2 away from resistance R4, triode Q3 3 pins and triode Q2 are grounded, electric capacity C1 and electric capacity C2 appearance
Value is respectively that 20uF and 40uF, MCU are fixedly installed on the inwall of housing by alignment pin, and housing close to MCU side also
Provided with thermovent, thermovent is tilted structure, and thermovent is remote more than thermovent close to level height residing for the side of housing
Level height residing for the side of shrinking away from theshell body.
In the present embodiment, the door 7 being hinged in the first opening 6 is opened, is driven by push-rod electric machine 14 and is moved down in fixed plate 3
It is dynamic, while coordinate support base 4 to be slided up and down in the first chute 2, the part that convenient motion coordinates is stretched out outside housing 1, is advantageous to
The part that observation motion coordinates in verification process, improve the quality of checking；Rotated, entered by the drive gear 16 of rotary electric machine 10
And drive the position of the horizontal direction of test board 11 to move, coordinate spin 18 to be reciprocatingly slided in the second chute 8, improve the spirit of motion
Activity, while drive test board 11 to do the motion of vertical direction using cylinder 9, and utilize the monitoring work in real time of displacement transducer 12
The shift position of dynamic mating part, the convenient checking for carrying out different directions motion matching relationship in mechanical design processes；By putting
Big circuit can amplify the detection signal of speed probe, improve detection accuracy, ensure that motion coordinates in mechanical design processes
The result；Impurity signal in speed probe detection signal can be eliminated by de-noising circuit, avoid influenceing sentencing for MCU
Disconnected result.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of motion for Machine Design coordinates checking device, including housing (1), MCU, amplifying circuit and de-noising circuit,
The housing (1) is cavity structure, and the first chute (2) is offered on the both sides inwall of the housing (1), is set in housing (1)
There is horizontally disposed support base (4), and the both ends of support base (4) and the inwall of the first chute (2) are slidably connected, support base (4)
Bottom both sides be mounted on the support bar (15) being vertically arranged, the top of support base (4) is provided with by alignment pin to be set vertically
The fixed plate (3) put, the side of fixed plate (3) are provided with rotary electric machine (10) by screw, and rotary electric machine is set above (10)
There is horizontally disposed supporting plate (5), and supporting plate (5) is welded in the side of fixed plate (3), the output shaft one of rotary electric machine (10)
End is installed with gear (16), and speed probe is also embedded with the output shaft of rotary electric machine (10)；
Characterized in that, the speed probe, amplifying circuit, de-noising circuit and MCU are sequentially connected, wherein amplifying circuit includes
Photoelectrical coupler T, resistance R1, electric capacity C1, inductance L1 and triode Q1, photoelectrical coupler T input and speed probe connect
Connect, photoelectrical coupler T VCC ends are connected with+5V power supply, and photoelectrical coupler T output end is connected with resistance R1 one end, electricity
The resistance R1 other end is connected with electric capacity C1 one end, the electric capacity C1 other end 1 pin with triode Q1, the one of inductance L1 respectively
End connects with+12V power supplys, and the inductance L1 other end is connected to triode Q1 3 pins and resistance R3 one end, triode
Q1 2 pins are connected with resistance R2 one end, and the resistance R2 other end is connected to triode Q2 2 pins and resistance R6
One end, the resistance R6 other end are connected with MCU, and triode Q2 1 pin is connected with resistance R4 one end, the resistance R4 other end
It is connected to electric capacity C2 one end and resistance R5 one end, and the resistance R5 other end is connected with triode Q3 1 pin, three
Pole pipe Q3 2 pins are connected to the resistance R3 other end and resistance R7 one end, and the resistance R7 other end is connected with MCU；
The supporting plate (5) offers horizontally disposed second chute (8) and the first opening respectively close to the side of support base (4)
(19), wherein the second chute (8) is connected with the first opening (19), the first opening (19) is opened in the bottom of supporting plate (5), the
Sliding panel (20) is slidably connected in one opening (19), and one end of sliding panel (20) is extended in the second chute (8), sliding panel
(20) both sides offer neck (21), are provided with spin (18) in neck (21), a part for wherein spin (18) extends to
The outside of neck (21), and spin (18) and the inwall of the second chute (8) are slidably connected, the bottom of sliding panel (20) passes through screw
Cylinder (9) is installed, cylinder (9) is located at the both sides of rotary electric machine (10), test board is connected between the piston rod of cylinder (9)
(11), test board (11) is provided with the rack (17) being meshed with gear (16) close to the side of supporting plate (5), test board (11)
Bottom is embedded with displacement transducer (12), and displacement transducer (12) is connected with MCU input, MCU output end respectively with
Cylinder (9) and rotary electric machine (10) connection, the output end of rotary electric machine (10) are connected with speed probe.
2. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the branch
Bottom both sides on support seat (4) are equipped with placed cavity (13), and placed cavity (13) is interior to be provided with push-rod electric machine (14) by screw, and
The output shaft of push-rod electric machine (14) is connected with support bar (15), and push-rod electric machine (14) is connected with MCU output end.
3. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the shell
The top of body (1) is provided with the second opening (6), and the side inwall of the second opening (6) is hinged with door (7), and second is open (6)
Length is more than the length of fixed plate (3).
4. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the card
Projection is equipped with the mutually remote side inwall of groove (21), wherein spin (18) extends to the second cunning by the gap between projection
In groove (8), and spin (18) is slidably connected with projection.
5. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that described to disappear
Noise cancellation circuit includes resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, triode Q2, triode Q3 and electric capacity
C2。
6. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the electricity
Resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6 and resistance R7 resistance be respectively 10K Ω, 15K Ω, 20K Ω,
10K Ω, 20K Ω, 15K Ω and 25K Ω.
7. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the electricity
Hold the one end of C2 away from resistance R4, triode Q3 3 pins and triode Q2 3 pins to be grounded.
8. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that the electricity
The capacitance for holding C1 and electric capacity C2 is respectively 20uF and 40uF.
9. a kind of motion for Machine Design according to claim 1 coordinates checking device, it is characterised in that described
MCU is fixedly installed in by alignment pin on the inwall of housing (1), and housing (1) is additionally provided with thermovent close to MCU side.
10. a kind of motion for Machine Design according to claim 9 coordinates checking device, it is characterised in that described
Thermovent is tilted structure, and thermovent is more than thermovent away from housing (1) close to level height residing for the side of housing (1)
Side residing for level height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037246.XA CN106843043B (en) | 2017-01-19 | 2017-01-19 | A kind of motion for Machine Design coordinates checking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710037246.XA CN106843043B (en) | 2017-01-19 | 2017-01-19 | A kind of motion for Machine Design coordinates checking device |
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| Publication Number | Publication Date |
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| CN106843043A CN106843043A (en) | 2017-06-13 |
| CN106843043B true CN106843043B (en) | 2017-11-14 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013093800A1 (en) * | 2011-12-21 | 2013-06-27 | Gyoeker Gyula Istvan | A method and an apparatus for machine diagnosing and condition monitoring based upon sensing and analysis of magnetic tension |
| CN204086852U (en) * | 2014-09-17 | 2015-01-07 | 西安工程大学 | Motion for Machine Design coordinates demo plant |
| CN204423006U (en) * | 2015-02-07 | 2015-06-24 | 邢台职业技术学院 | A kind of motion for Machine Design coordinates demo plant |
| CN105547720A (en) * | 2015-12-07 | 2016-05-04 | 聊城大学 | Movement coordination verification device used for mechanical design |
-
2017
- 2017-01-19 CN CN201710037246.XA patent/CN106843043B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013093800A1 (en) * | 2011-12-21 | 2013-06-27 | Gyoeker Gyula Istvan | A method and an apparatus for machine diagnosing and condition monitoring based upon sensing and analysis of magnetic tension |
| CN204086852U (en) * | 2014-09-17 | 2015-01-07 | 西安工程大学 | Motion for Machine Design coordinates demo plant |
| CN204423006U (en) * | 2015-02-07 | 2015-06-24 | 邢台职业技术学院 | A kind of motion for Machine Design coordinates demo plant |
| CN105547720A (en) * | 2015-12-07 | 2016-05-04 | 聊城大学 | Movement coordination verification device used for mechanical design |
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| CN106843043A (en) | 2017-06-13 |
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Effective date of registration: 20181219 Address after: 224400 South Industrial Park, Yilin Town, Funing County, Yancheng City, Jiangsu Province, No. 18 (Y) Patentee after: Funing Yuanfeng Pump Industry Co., Ltd. Address before: 450063 No. 123 Lianyun Road, Erqi District, Zhengzhou City, Henan Province Patentee before: Huanghe S & T College |
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| 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: 20171114 Termination date: 20210119 |