CN107246860A - A kind of bent axle alignment device and aligning method - Google Patents
A kind of bent axle alignment device and aligning method Download PDFInfo
- Publication number
- CN107246860A CN107246860A CN201710470461.9A CN201710470461A CN107246860A CN 107246860 A CN107246860 A CN 107246860A CN 201710470461 A CN201710470461 A CN 201710470461A CN 107246860 A CN107246860 A CN 107246860A
- Authority
- CN
- China
- Prior art keywords
- axle
- centering
- bent axle
- equiped
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
Abstract
The present invention relates to a kind of bent axle alignment device and aligning method, rotary components are equiped with the lifter plate of lifting assembly；The lower end of rotary components is equiped with bent axle centering component.Lifting assembly drives rotary components and bent axle centering component to rise to setting height during work, and now centering axle elastic top is pressed on the crankshaft end-face of the pump housing；Detection sensor senses after inductance loop that lifting assembly stops；Rotary components action drives the rotation of centering axle, and when the projection on centering axle matches with the keyway of bent axle, centering axle can rise certain distance in the presence of elastic parts, and inductance loop can depart from detection sensor, and now centering axle has found the keyway position of bent axle；Specified angle position is gone in the presence of rotary components and carries out angular surveying, the position of the eccentric block of rotor is measured by angle measurement system.The bent axle centering axle of the present invention uses split-type structural, cuts process technology using high-precision wire, the precision of centering axle is reached design requirement, using effect is good.
Description
Technical field：
The present invention relates to tractor crankshaft field, more particularly to a kind of bent axle alignment device and aligning method.
Background technology：
, it is necessary to check the relative position relation of the eccentric block and crankshaft key slot on rotor after the bent axle hot jacket upper rotor part of the pump housing
Whether regulation requirement is met, and as shown in Figures 1 and 2, accompanying drawing 1 is a in the structural representation after pump housing hot jacket upper rotor part, figure
For the pump housing, b is rotor；Accompanying drawing 2 is that not include in the structural representation of rotor, figure c be bent axle, and d is keyway, and e is axis hole.Bent axle
The effect of alignment device is exactly the keyway position of automatic capturing bent axle, and the eccentric block of rotor is measured by angle measurement system
Position.
Because bent axle centering required precision is higher, the bent axle centering axle in the bent axle centering component of prior art is tied to be overall
Structure, as shown in Figure 3, in accompanying drawing 3, rotating shaft 1a is together with centering axle 1b nooses, and rotating shaft 1a and centering axle 1b pass through activity
Pin 1c is positioned, and enters row buffering provided with spring 1d between rotating shaft 1a and centering axle 1b, and centering axle 1b front central is connected with
Alignment pin 1e, and centering axle 1b front end be provided with and the integrally formed boss portion 1f of centering axle 1b.
The reason for bent axle centering axle of prior art is because of its structure, in processing, extremely difficult its design accuracy of guarantee, causes dress
Not reaching with rear overall accuracy in design requirement, actual use process makes testing result unstable, is once causing puzzlement.It is right afterwards
The structure of bent axle centering axle is analyzed, and it is that design of part determines that during processing locating and machining benchmark can not be accomplished to find main cause
It is unified with design basis, cause multiple clamping processing to be unable to reach design accuracy requirement.
The content of the invention：
The present invention be directed in place of the deficiencies in the prior art, the first purpose is to provide a kind of bent axle alignment device, purpose it
Two are to provide a kind of method that use axle alignment device carries out centering to bent axle, and bent axle centering axle of the present invention uses split type knot
Structure, process technology is cut using high-precision wire, the precision of centering axle is reached design requirement.
The technology solution of the present invention is as follows：
Rotary components are equiped with a kind of bent axle alignment device, including lifting assembly, the lifter plate of the lifting assembly；Institute
The lower end for stating rotary components is equiped with bent axle centering component, and the bent axle centering component includes the reductor for being installed in rotary components
Main shaft lower end rotating shaft, the sliding sleeve that is slidably connected with rotating shaft and the centering that sliding sleeve lower end is installed in by steady pin
Axle, elastic parts elastic connection is passed through between the centering axle and rotating shaft；Removably filled in the bottom side of the wall of the centering axle
Provided with projection, the bottom of projection is provided with boss, and the bottom axle center position of centering axle is equiped with alignment pin.
Preferably, the lifting assembly includes lifting motor fixed plate, lifting motor and lifting module, lifting motor is solid
It is scheduled on below lifting motor fixed plate, lifting module fixed plate that lifting module includes being fixed on below lifting motor fixed plate,
The straight line module being fixed in lifting module fixed plate and the straight line module sliding block being installed on straight line module, the straight line module
Described lifter plate is equiped with sliding block.
Preferably, lifting sensing chip is equiped with the straight line module sliding block, the sidepiece installing of lifting module fixed plate
There are three groups of heave sensors being engaged with lifting sensing chip.
Preferably, the rotary components include electric rotating machine mounting seat of the mounted perpendicular on lifter plate and are installed in rotation
The servo deceleration component on rotating motor mounting seat top, the servo deceleration component includes electric rotating machine, decelerator, shaft coupling and rotation
Rotating shaft bearing, the rotating shaft holder is installed in electric rotating machine mounting seat, and rotating shaft is arranged in rotating shaft holder, electric rotating machine
Lower section is provided with decelerator, and the main shaft of decelerator is connected by shaft coupling with rotating shaft.
Preferably, the bottom of the electric rotating machine mounting seat is equiped with sensor mounting blocks, the sensor mounting blocks
On be equiped with the rotary inductive piece for being equiped with and being engaged with turn-sensitive device in turn-sensitive device, the rotating shaft, the sensor
It is equiped with that be equiped with detection sensor, the sliding sleeve can be with detection on mounting blocks and below the turn-sensitive device
The inductance loop of sensor mutual induction.
Preferably, being socketed with sliding pin in the rotating shaft, sliding sleeve is provided with sliding groove, and sliding pin, which is located at, to be slided
Dynamic groove is interior and can be moved along sliding groove.
Preferably, the rotating shaft and being stretched into one end of sliding pin in sliding sleeve, the top of centering axle
Stretch into sliding sleeve, the roller end stretched into sliding sleeve is recessed provided with the spring that rotation shaft end extends internally
Groove, the end of the centering axle stretched into sliding sleeve is equiped with spring shaft, and the elastic parts is spring, and one end of spring is supported
Hold in spring groove, the other end of spring is installed on spring shaft.
Preferably, the bottom side of the wall of the centering axle is provided with the T-slot concaved from side wall, the top of projection is T
Type structure, and T-type structure coordinates in the T-slot, and projection is packed in by screw the lower end of centering axle.
A kind of method for being carried out centering to bent axle using bent axle alignment device, is comprised the following steps：
(1) pump housing is installed in the bent axle on the top of bent axle alignment device, the centering axle faces toward pump body of bent axle alignment device,
Bent axle is provided with keyway；
(2) lifting assembly drives rotary components and bent axle centering component to rise to setting height, now centering axle elastic top
It is pressed on the crankshaft end-face of the pump housing；Detection sensor senses after inductance loop that lifting assembly stops；
(3) rotary components action drives the rotation of centering axle, when the projection on centering axle matches with the keyway of bent axle,
Centering axle can rise certain distance in the presence of elastic parts, and inductance loop can depart from detection sensor, and now centering axle has been found
The keyway position of bent axle；
(4) gone in the presence of rotary components specified angle position carry out angular surveying, by angle measurement system come
Measure the position of the eccentric block of rotor.
The beneficial effects of the present invention are：
Present invention improves the monolithic construction before bent axle centering axle, monolithic construction processed complex, precision is difficult to reach
Arrive；Structure is split type after improvement, can cut processing using high-precision wire, precision easily ensures.
The bent axle centering axle of the present invention changes spare part due to being consumable accessory, before improving needs integral replacing cost high, after improvement
A projection need to only be changed by changing spare part, and cost is relatively low.
Lifting assembly drives rotary components and bent axle centering component to rise to setting height during present invention work, now centering
Axle elastic top is pressed on the crankshaft end-face of the pump housing；Detection sensor senses after inductance loop that lifting assembly stops；Rotary components are moved
Make to drive the rotation of centering axle, when the projection on centering axle matches with the keyway of bent axle, the centering in the presence of elastic parts
Axle can rise certain distance, and inductance loop can depart from detection sensor, and now centering axle has found the keyway position of bent axle；In rotation
Specified angle position is gone in the presence of component and carries out angular surveying, the eccentric block of rotor is measured by angle measurement system
Position.The bent axle centering axle of the present invention uses split-type structural, cuts process technology using high-precision wire, reaches the precision of centering axle
To design requirement, using effect is good.
Brief description of the drawings：
The present invention is described further below in conjunction with the accompanying drawings：
Fig. 1 is the structural representation after pump housing hot jacket upper rotor part；
Fig. 2 is not include the structural representation of rotor；
Fig. 3 is the structural representation of the bent axle centering component of prior art；
Fig. 4 is the structural representation of the bent axle centering component of the present invention；
Fig. 5 is the sectional view of the bent axle centering component of the present invention；
Fig. 6 is the structural representation of the bent axle alignment device of the present invention；
Fig. 7 is the dimensional structure diagram of the bent axle alignment device of the present invention.
Symbol description in Fig. 4~7：I-lifting assembly；II-rotary components；III-bent axle centering component；1-lifting electricity
Machine fixed plate；2-lifting motor；3-lifting module fixed plate；4-straight line module；5-straight line module sliding block；6-lifter plate；
7-lifting sensing chip；8-heave sensor；9-electric rotating machine mounting seat；10-electric rotating machine；11-decelerator；12-connection
Axle device；13-rotating shaft holder；14-sensor mounting blocks；15-turn-sensitive device；16-rotary inductive piece；17-detection is passed
Sensor；18-inductance loop；19-rotating shaft；1901-sliding pin；1902-spring groove；20-sliding sleeve；2001-sliding
Dynamic groove；21-steady pin；22-centering axle；23-elastic parts；24-projection；2401-boss；25-alignment pin；26-bullet
Spring axle.
Embodiment：
Embodiment, is shown in accompanying drawing 4~7, a kind of bent axle alignment device, including lifting assembly I, and the lifting assembly includes lifting
Motor fixing plate 1, lifting motor 2 and lifting module, lifting motor are fixed on below lifting motor fixed plate, and lifting module includes
It is fixed on the lifting module fixed plate 3 below lifting motor fixed plate, the and of straight line module 4 being fixed in lifting module fixed plate
It is installed on the straight line module sliding block 5 on straight line module, the straight line module sliding block and is equiped with lifter plate 6.
Be equiped with the straight line module sliding block lifting sensing chip 7, lifting module fixed plate sidepiece be equiped with three groups with
The heave sensor 8 that lifting sensing chip is engaged.
Lifting motor fixed plate is square block structure in the present embodiment, and lifting motor and lifting module fixed plate are filled side by side
It is located at below lifting motor fixed plate, and straight line module and lifting motor are located at the both sides of lifting module fixed plate.Lifting motor
The motion of straight line module is driven, straight line module drives straight line module slide block movement, and straight line module sliding block is driven above and below lifter plate realization
Elevating movement, and the move distance of lifter plate determines by lifting the sensing of sensing chip and heave sensor, it is ensured that lifting
Position is accurate.
Rotary components II are equiped with the lifter plate of the lifting assembly；The rotary components include mounted perpendicular in lifting
Electric rotating machine mounting seat 9 and the servo deceleration component for being installed in electric rotating machine mounting seat top, the servo deceleration group on plate
Part includes electric rotating machine 10, decelerator 11, shaft coupling 12 and rotating shaft holder 13, and the rotating shaft holder is installed in electric rotating machine
In mounting seat, rotating shaft is arranged in rotating shaft holder, is provided with decelerator below electric rotating machine, the main shaft of decelerator passes through shaft coupling
Device is connected with rotating shaft.
The bottom of the electric rotating machine mounting seat is equiped with sensor mounting blocks 14, the sensor mounting blocks and is equiped with
The rotary inductive piece 16 being engaged with turn-sensitive device is equiped with turn-sensitive device 15, the rotating shaft, the sensor is installed
It is equiped with detection sensor 17, sliding sleeve that be equiped with can be with detection sensor on block and below the turn-sensitive device
The inductance loop 18 of mutual induction.
Electric rotating machine operation is slowed down by decelerator, and rotating shaft rotation, the angle of rotating shaft rotation are driven in the presence of shaft coupling
Degree determines that rotating shaft rotation can the component rotation of band dynamic crankshaft centering by turn-sensitive device.
The lower end of the rotary components is equiped with bent axle centering component III, and the bent axle centering component includes being installed in rotation
The rotating shaft 19 of the main shaft lower end of the reductor of component, the sliding sleeve 20 being slidably connected with rotating shaft and it is installed in by steady pin 21
The centering axle 22 of sliding sleeve lower end, passes through the elastic connection of elastic parts 23 between the centering axle and rotating shaft；The centering axle
Bottom side of the wall on be removably equiped with projection 24, the bottom of projection is provided with boss 2401, the bottom axle centre bit of centering axle
The place of putting is equiped with alignment pin 25.
Sliding pin 1901 is socketed with the rotating shaft, sliding sleeve is provided with sliding groove 2001, and sliding pin, which is located at, to be slided
Dynamic groove is interior and can be moved along sliding groove.
The rotating shaft and stretched into one end of sliding pin in sliding sleeve, the top of centering axle, which is also stretched into, to be slided
In sleeve, the roller end stretched into sliding sleeve is provided with the spring groove 1902 that rotation shaft end extends internally, and stretches into
The end of centering axle in sliding sleeve is equiped with spring shaft 26, and the elastic parts is spring, and one end of spring is supported
In spring groove, the other end of spring is installed on spring shaft.So centering axle 22 is fixedly connected with sliding sleeve 20, but due to
The effect of sliding groove 2001 and spring, sliding sleeve 20 can be slided up and down with respect to rotating shaft 19.
The bottom side of the wall of the centering axle is provided with the T-slot that is concaved from side wall, and the top of projection is T-type structure, and T
Projection is packed in by screw the lower end of centering axle in the T-slot by type respective outer side edges.As long as being unloaded when so changing projection
Lower screw, changes quick.
The method for being carried out centering to bent axle using bent axle alignment device, is comprised the following steps：
(1) pump housing is installed in the bent axle on the top of bent axle alignment device, the centering axle faces toward pump body of bent axle alignment device,
Bent axle is provided with keyway, and the alignment pin of the axle center position of centering axle is inserted into the axis hole of bent axle carrying out centralized positioning.
(2) lifting motor driving straight line module motion, straight line module drives straight line module slide block movement, straight line module sliding block
Lifter plate is driven to realize ascending motion, the move distance of lifter plate is determined by heave sensor, such lifting assembly drives rotation
Turn component and bent axle centering component rises to setting height, now the projection elastic top on centering axle is pressed in the crankshaft end-face of the pump housing
On, now spring is in compressive state；Detection sensor senses after inductance loop that lifting assembly stops.
(3) electric rotating machine operation is slowed down by decelerator, and rotating shaft rotation is driven in the presence of shaft coupling, rotating shaft rotation
Angle determines that rotating shaft rotation can be looked for the rotation of dynamic crankshaft centering component, such rotary components action drive by turn-sensitive device
Positive axis rotates, when the projection on centering axle matches with the keyway of bent axle, the centering axle meeting under the spring effect of elastic parts
Rise certain distance, inductance loop can depart from detection sensor, and now centering axle has found the keyway position of bent axle, be achieved in that certainly
The keyway position of dynamic centering bent axle.
(4) the last specified angle position that gone in the presence of rotary components carries out angular surveying, passes through angular surveying system
The position for the eccentric block for uniting to measure rotor.
Above-described embodiment is the specific descriptions carried out to the present invention, simply the present invention is further described, it is impossible to manage
Solve as limiting the scope of the present invention, it is nonessential that those skilled in the art makes some according to the content of foregoing invention
Modifications and adaptations are each fallen within protection scope of the present invention.
Claims (9)
1. a kind of bent axle alignment device, including lifting assembly, it is characterised in that：Rotation is equiped with the lifter plate of the lifting assembly
Turn component；The lower end of the rotary components is equiped with bent axle centering component, and the bent axle centering component includes being installed in rotation group
Sliding sleeve and sliding sleeve is installed in by steady pin that the rotating shaft of the main shaft lower end of the reductor of part and rotating shaft are slidably connected
The centering axle of lower end, elastic parts elastic connection is passed through between the centering axle and rotating shaft；In the bottom side of the wall of the centering axle
Projection is removably equiped with, the bottom of projection is provided with boss, and the bottom axle center position of centering axle is equiped with alignment pin.
2. a kind of bent axle alignment device according to claim 1, it is characterised in that：The lifting assembly includes lifting motor
Fixed plate, lifting motor and lifting module, lifting motor are fixed on below lifting motor fixed plate, and lifting module includes being fixed on
Lifting module fixed plate below lifting motor fixed plate, the straight line module being fixed in lifting module fixed plate and it is installed in straight
Described lifter plate is equiped with straight line module sliding block on line module, the straight line module sliding block.
3. a kind of bent axle alignment device according to claim 2, it is characterised in that：It is equiped with the straight line module sliding block
Sensing chip is lifted, the sidepiece of lifting module fixed plate is equiped with three groups of heave sensors being engaged with lifting sensing chip.
4. a kind of bent axle alignment device according to claim 1, it is characterised in that：The rotary components include mounted perpendicular
Electric rotating machine mounting seat and the servo deceleration component for being installed in electric rotating machine mounting seat top on lifter plate, the servo subtract
Fast component includes electric rotating machine, decelerator, shaft coupling and rotating shaft holder, and the rotating shaft holder is installed in electric rotating machine installation
On seat, rotating shaft is arranged in rotating shaft holder, is provided with decelerator below electric rotating machine, the main shaft of decelerator by shaft coupling with
Rotating shaft is connected.
5. a kind of bent axle alignment device according to claim 4, it is characterised in that：The bottom of the electric rotating machine mounting seat
It is equiped with to be equiped with turn-sensitive device, the rotating shaft on sensor mounting blocks, the sensor mounting blocks and is equiped with and rotates
Detection is equiped with the rotary inductive piece that sensor is engaged, the sensor mounting blocks and below turn-sensitive device to pass
Be equiped with sensor, the sliding sleeve can be with detection sensor mutual induction inductance loop.
6. a kind of bent axle alignment device according to claim 1, it is characterised in that：Sliding pin is socketed with the rotating shaft
Nail, sliding sleeve is provided with sliding groove, and sliding pin is located in sliding groove and can moved along sliding groove.
7. a kind of bent axle alignment device according to claim 6, it is characterised in that：The rotating shaft and with sliding pin
One end is stretched into sliding sleeve, and the top of centering axle is also stretched into sliding sleeve, the rotating shaft end stretched into sliding sleeve
Portion is provided with the spring groove that rotation shaft end extends internally, and the end of the centering axle stretched into sliding sleeve is equiped with spring
Axle, the elastic parts is spring, and one end of spring is supported in spring groove, and the other end of spring is installed on spring shaft.
8. a kind of bent axle alignment device according to claim 1, it is characterised in that：Set in the bottom side of the wall of the centering axle
There is the T-slot concaved from side wall, the top of projection is T-type structure, and T-type structure cooperation is in T-slot, and passes through screw
Projection is packed in the lower end of centering axle.
9. the method that a kind of bent axle alignment device as described in any in use claim 1~8 carries out centering to bent axle, it is special
Levy and be：Comprise the following steps：
(1) pump housing is installed in the bent axle on the top of bent axle alignment device, the centering axle faces toward pump body of bent axle alignment device, bent axle
It is provided with keyway；
(2) lifting assembly drives rotary components and bent axle centering component to rise to setting height, and now centering axle elastic top is pressed in
On the crankshaft end-face of the pump housing；Detection sensor senses after inductance loop that lifting assembly stops；
(3) rotary components action drives the rotation of centering axle, when the projection on centering axle matches with the keyway of bent axle, in elasticity
Centering axle can rise certain distance in the presence of component, and inductance loop can depart from detection sensor, and now centering axle has found bent axle
Keyway position；
(4) specified angle position is gone in the presence of rotary components and carries out angular surveying, is measured by angle measurement system
The position of the eccentric block of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470461.9A CN107246860A (en) | 2017-06-20 | 2017-06-20 | A kind of bent axle alignment device and aligning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710470461.9A CN107246860A (en) | 2017-06-20 | 2017-06-20 | A kind of bent axle alignment device and aligning method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107246860A true CN107246860A (en) | 2017-10-13 |
Family
ID=60019496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710470461.9A Pending CN107246860A (en) | 2017-06-20 | 2017-06-20 | A kind of bent axle alignment device and aligning method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107246860A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942200A (en) * | 2018-07-26 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of hole alignment device |
| CN109926954A (en) * | 2019-04-30 | 2019-06-25 | 无锡先导智能装备股份有限公司 | A kind of hypanthium alignment device |
| CN110542377A (en) * | 2019-09-17 | 2019-12-06 | 冯强 | a detect and measure quick aligning device for production of heavy truck accessories |
| CN114542429A (en) * | 2022-02-28 | 2022-05-27 | 四川丹甫环境科技有限公司 | Device for automatically aligning compressor piston |
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| CN105515292A (en) * | 2015-12-01 | 2016-04-20 | 杭州富生电器有限公司 | Stator positioning mechanism and method |
| CN205497417U (en) * | 2016-04-11 | 2016-08-24 | 福益精密模塑（上海）有限公司 | Car ring gear assembly angle adjusting device |
| CN106499749A (en) * | 2016-11-25 | 2017-03-15 | 中国船舶重工集团公司第七0研究所 | A kind of adjustable antioverloading shaft transmission of moment of torsion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110250027A1 (en) * | 2001-06-13 | 2011-10-13 | Shun Sheng Lin | Drilling machine |
| CN103872425A (en) * | 2014-02-27 | 2014-06-18 | 西安空间无线电技术研究所 | Tension cable close constant tension compensation device |
| CN205080955U (en) * | 2015-11-04 | 2016-03-09 | 瑞智(青岛)精密机电有限公司 | Angle device is decided in automation of rotor magnet charger |
| CN105515292A (en) * | 2015-12-01 | 2016-04-20 | 杭州富生电器有限公司 | Stator positioning mechanism and method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108942200A (en) * | 2018-07-26 | 2018-12-07 | 安徽江淮汽车集团股份有限公司 | A kind of hole alignment device |
| CN109926954A (en) * | 2019-04-30 | 2019-06-25 | 无锡先导智能装备股份有限公司 | A kind of hypanthium alignment device |
| CN110542377A (en) * | 2019-09-17 | 2019-12-06 | 冯强 | a detect and measure quick aligning device for production of heavy truck accessories |
| CN114542429A (en) * | 2022-02-28 | 2022-05-27 | 四川丹甫环境科技有限公司 | Device for automatically aligning compressor piston |
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Address after: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Applicant after: Bo Seiko Polytron Technologies Inc Address before: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Applicant before: Suzhou Bozhong Precision Industry Technology Co., Ltd. |
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Application publication date: 20171013 |
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| RJ01 | Rejection of invention patent application after publication |