CN209131614U - Piston ring is dehisced detection machine - Google Patents
Piston ring is dehisced detection machine Download PDFInfo
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- CN209131614U CN209131614U CN201821770255.6U CN201821770255U CN209131614U CN 209131614 U CN209131614 U CN 209131614U CN 201821770255 U CN201821770255 U CN 201821770255U CN 209131614 U CN209131614 U CN 209131614U
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- piston ring
- mould group
- servo
- detection
- cylinder
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Abstract
It dehisces detection machine the utility model discloses a kind of piston ring, it includes rack, servo pushing component, component is carried up and down, pressurized cylinder pushing component, operating device, piston ring detection components, guidance set after waste collection box and piston ring detection, the servo pushing component side of being arranged on the rack, component is carried up and down to be arranged on the right side of servo pushing component, pressurized cylinder pushing component is arranged in front of servo pushing component, piston ring detection components are arranged on the right side of pressurized cylinder pushing component, waste collection box is provided with below piston ring detection components, guidance set after piston ring detects is provided on the right side of piston ring detection components；The utility model solves the problems, such as that the multiple indexs of piston ring cannot be detected simultaneously in the prior art, and detection accuracy is high, and speed is fast, and error is small, compact-sized, and saves mass production cost.
Description
Technical field
The utility model relates to a kind of detection machines, and in particular to a kind of piston ring is dehisced detection machine.
Background technique
Piston ring is the important foundation part of widely used engine, while being also vulnerable part.At present to piston ring items
The detection of index is increasingly stringent.Radial thickness, the ring of current domestic detection piston ring are high, end-gaps methods are most of still
By artificial detection.The side of the high inspection of radial thickness, ring such as ISO6621/2-1984 " internal-combustion engine piston ring testing principle "
Method examination requirements are high, operate also very cumbersome.Closed-gap answer detection then needs worker using calliper contact type measurement, still
In quality check process, artificial detection is often with along with error, work human eye fatigue and other human factors all one
Determine to cause the detection of quality inspection result answer uncontrollability in degree, while detection accuracy is lower, efficiency is also more low, recruitment at
This can not have always been high any more yet, and there are no ring height, radial thickness and the end-gaps that can detect piston ring simultaneously currently on the market
Full-automatic detector.
Summary of the invention
Aiming at the problems existing in the prior art, the utility model provides a kind of piston ring and dehisces detection machine, solves
The problem of multiple indexs of piston ring cannot be detected simultaneously in the prior art, detection accuracy is high, and speed is fast, and error is small, compact-sized,
And save mass production cost.
The detection machine the technical scheme adopted by the utility model is a kind of piston ring is dehisced comprising rack, servo push
Component carries component, pressurized cylinder pushing component, operating device, piston ring detection components, waste collection box and piston ring inspection up and down
Guidance set after survey, the servo pushing component side of being arranged on the rack, the component of carrying up and down are arranged in servo promotion group
On the right side of part, the pressurized cylinder pushing component is arranged in front of servo pushing component, and the piston ring detection components setting is being pressurized
On the right side of cylinder pushing component, waste collection box, the piston ring detection components right side are provided with below the piston ring detection components
It is provided with guidance set after piston ring detects.
The servo pushing component includes horizontal servo mould group mounting plate, the horizontal servo mould group mounting plate vertical-horizontal
Face is provided with 3 groups, and horizontal servo mould group is equipped on the horizontal servo mould group mounting plate, and the horizontal servo mould group end is set
It is equipped with the first servo motor of driving horizontal servo mould group, sliding is provided with lower stop cylinder, institute in the horizontal servo mould group
It states and is connected with lower countercheck rod on lower stop cylinder axis, horizontal servo mould group mounting plate upper end is provided with piston ring installation
Plate is provided with piston ring guide plate on the piston ring mounting plate, piston ring, the piston ring is arranged on the piston ring guide plate
Guide plate side is provided with stop cylinder mounting plate, and stop cylinder, the upper blocking are provided on the stop cylinder mounting plate
Countercheck rod is connected on cylinder axis.
Preferably, the component of carrying up and down includes carrying servo mould group mounting plate up and down, carrying servo mould group, the up and down
Two servo motors carry servo mould group connecting plate up and down, carry guide post up and down, setting on the right side of the horizontal servo mould group mounting plate
Have and carry servo mould group mounting plate up and down, is provided on the servo mould group mounting plate of carrying up and down and carries servo mould group up and down,
Described carry up and down is provided with the second servo motor above servo mould group, the servo mould group connecting plate of carrying up and down is arranged upper
In lower carrying servo mould group, the servo mould group connecting plate of carrying up and down is fixedly installed with carrying guide post up and down, described to remove up and down
Fortune servo mould group connecting plate can vertically carry servo mould group and slide up and down.
Preferably, the rack includes the upper plate for the side of being arranged on the rack, and is provided with drawer below the rack, described
Bottom of the frame is provided with foot general assembly.
Preferably, the pressurized cylinder pushing component includes linear guide, linear slider, L-type guide rail splice, L-type pressurization
Cylinder mounting plate, cylinder barrel, oil drum and pushing cylinder, the linear guide are arranged on upper plate, are provided in the linear guide
The linear slider slided along linear guide, L-type guide rail splice is provided in the linear slider, and the L-type guide rail connects
It is provided with L-type pressurized cylinder mounting plate in fishplate bar, cylinder barrel, the cylinder barrel top are provided in the L-type pressurized cylinder mounting plate
It is provided with oil drum, pushing cylinder corresponding with cylinder barrel is provided with outside the L-type guide rail splice.
Preferably, the piston ring detection components include detection mold mounting rack, dehisce to detect mold mounting ring and dehisce
Mold is detected, the detection mold mounting rack is arranged on the right side of pushing cylinder, and the detection mold mounting rack, which is internally provided with, to be dehisced to examine
Survey mold mounting ring, it is described dehisce to detect to be arranged in mold mounting ring dehisce to detect mold, it is described to dehisce to detect below mold
It is provided with the waste collection box for collecting unqualified piston ring.
Preferably, guidance set includes guiding trestle, piston ring detection back guide and back guide after the piston ring detection
Connecting plate, the guiding trestle are arranged on the right side of waste collection box, and the piston ring detection back guide passes through back guide connecting plate
It is mounted on guiding trestle, the end of piston ring detection back guide connects with dehiscing to detect mold.
Preferably, the operating device includes operation rack and cabinet, and the operation rack is arranged in pressurized cylinder promotion group
In front of part, the cabinet setting is provided with red blue green alarm lamp, sets in front of the cabinet in operation rack above the cabinet
It is equipped with touch screen, is provided with operation button below the cabinet.
Preferably, the linear guide and linear slider are provided with two groups altogether, and the linear slider is separately positioned on L-type and leads
The two sides of rail connecting plate, every group of linear slider are respectively arranged below linear guide corresponding thereto.
Preferably, the outer diameter for dehiscing to detect mold is consistent with the length of piston ring internal diameter.
Preferably, the guiding trestle and back guide connecting plate are provided with two groups altogether, close to dehisce to detect mold side
The height of back guide connecting plate dehisces to detect the back guide connecting plate of mold side higher than separate.
The beneficial effect that the utility model reaches is: the utility model provides a kind of piston ring and dehisces detection machine, passes through
Servo pushing component is set, carries component, pressurized cylinder pushing component, piston ring detection components, waste collection box and piston up and down
Guidance set after ring detection, solves the problems, such as that the multiple indexs of piston ring cannot be detected simultaneously in the prior art, realizes to work
Plug ring carries out accurate charging and accurate detection, and detection accuracy is high, and speed is fast, and error is small, compact-sized, and saves mass production
Cost.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing,
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the schematic perspective view of servo pushing component in the utility model；
Fig. 3 is the schematic perspective view for carrying component in the utility model up and down；
Fig. 4 is the schematic perspective view of pressurized cylinder pushing component in the utility model；
Fig. 5 is the schematic perspective view of piston ring detection components in the utility model；
Fig. 6 is the schematic perspective view of guidance set after piston ring detection in the utility model；
1, rack, 11, upper plate, 12, drawer, 13, foot general assembly, 131, stabilizer blade, 132, universal wheel, 2, servo promotion group
Part, 21, horizontal servo mould group mounting plate, 22, horizontal servo mould group, 23, first servo motor, 24, lower stop cylinder, 241, under
Countercheck rod, 25, piston ring mounting plate, 26, piston ring guide plate, 27, piston ring, 28, stop cylinder mounting plate, 29, upper blocking gas
Cylinder, 291, upper countercheck rod, 3, carry component up and down, 31, carry servo mould group mounting plate up and down, 32, carry servo mould group up and down,
33, the second servo motor, 34, carry servo mould group connecting plate up and down, 35, carry guide post up and down, 4, pressurized cylinder pushing component,
41, linear guide, 42, linear slider, 43, L-type guide rail splice, 44, L-type pressurized cylinder mounting plate, 45, cylinder barrel, 46, oil storage
Cylinder, 47, pushing cylinder, 5, operating device, 51, operation rack, 52, cabinet, 53, red blue green alarm lamp, 54, touch screen, 55, operation press
Button, 6, piston ring detection components, 61, detection mold mounting rack, 62, dehisce to detect mold mounting ring, 63, dehisce to detect mold,
7, waste collection box, 8, piston ring detection after guidance set, 81, guiding trestle, 82, piston ring detect back guide, 83, back guide
Connecting plate.
Specific embodiment
Specific embodiments of the utility model will be further explained with reference to the accompanying drawing.
As shown in Figures 1 to 6, a kind of piston ring is dehisced detection machine comprising rack 1, is removed servo pushing component 2 up and down
It is led after fortune component 3, pressurized cylinder pushing component 4, operating device 5, piston ring detection components 6, waste collection box 7 and piston ring detection
To component 8, the servo pushing component 2 is arranged above rack 1, and the component 3 of carrying up and down is arranged in servo pushing component 2
Right side, the setting of pressurized cylinder pushing component 4 are being pressurized in 2 front of servo pushing component, the setting of piston ring detection components 6
On the right side of cylinder pushing component 4, waste collection box 7, the piston ring detection components 6 are provided with below the piston ring detection components 6
Right side is provided with guidance set 8 after piston ring detection.
In this application, piston ring 27 is accurately pushed to by servo pushing component 2 and carries component 3 up and down, by upper
Piston ring 27 is drop to the left side of piston ring detection components 6 by lower carrying component 3, by pressurized cylinder pushing component 4 by piston ring 27
It send to piston ring detection components, detects underproof piston ring 27 and fall in waste collection box 7, detect qualified piston ring 27
It is pushed to after piston ring detects on guidance set 8 by pressurized cylinder pushing component 4, guidance set 8 is right after being detected by piston ring
Piston ring 27 is collected.
The servo pushing component 2 includes horizontal servo mould group mounting plate 21, and the horizontal servo mould group mounting plate 21 hangs down
Straight horizontal plane is provided with 3 groups, is equipped with horizontal servo mould group 22, the horizontal servo on the horizontal servo mould group mounting plate 21
22 end of mould group is provided with the first servo motor 23 of driving horizontal servo mould group 22, slides and sets in the horizontal servo mould group 22
It is equipped with lower stop cylinder 24, lower countercheck rod 241, the horizontal servo mould group mounting plate are connected on lower 24 axis of stop cylinder
21 upper ends are provided with piston ring mounting plate 25, and piston ring guide plate 26, the piston are provided on the piston ring mounting plate 25
Piston ring 27 is arranged on ring guide plate 26,27 side of piston ring guide plate is provided with stop cylinder mounting plate 28, the blocking
It is provided with stop cylinder 29 on cylinder mounting plate 28, is connected with countercheck rod 291 on upper 29 axis of stop cylinder.
Servo pushing component 2 is used to push in the piston ring 27 for needing to detect carrying component 3 up and down living, can be accurate
The number for the piston ring that control needs to detect, can orderly and incessantly push piston ring, entire detection process is made to have item not
It carries out disorderlyly.Piston ring guide plate 26 is arranged above horizontal servo mould group 22, and piston ring 27 is set on piston ring guide plate 26, water
Lower stop cylinder 24 is provided in flat servo mould group 22, horizontal servo mould group 22 obtains 27, specific piston by accurately calculating
The location of number stops the piston ring 27 for not needing detection by upper stop cylinder 29, passes through lower stop cylinder 24
Piston ring detection components 6 are pushed to the piston ring 27 to be detected.
Preferable scheme is that the component 3 of carrying up and down includes carrying servo mould group mounting plate 31 up and down, carrying watch up and down
Mould group 32, the second servo motor 33 are taken, carry servo mould group connecting plate 34 up and down and carries guide post 35, the horizontal servo up and down
It is provided on the right side of mould group mounting plate 21 and carries servo mould group mounting plate 34 up and down, it is described to carry on servo mould group mounting plate 31 up and down
It is provided with and carries servo mould group 32 up and down, described carried above servo mould group 32 up and down is provided with the second servo motor 33, described
The setting of servo mould group connecting plate 34 is carried up and down to carry in servo mould group 32 up and down, it is described to carry servo mould group connecting plate up and down
34 are fixedly installed with carrying guide post 35 up and down, and the servo mould group connecting plate 34 of carrying up and down can vertically carry servo mould group 32
It slides up and down.
Component 3 is carried up and down to be used to the piston ring 27 that servo pushing component 2 separated droping to pressurized cylinder pushing component 4
Right side, pushes piston ring 27 to be detected convenient for pressurized cylinder pushing component 4, carries guide post 35 up and down and is set as circular ring shape, up and down
The outer diameter for carrying guide post 35 is consistent with the internal diameter of piston ring 27, convenient for carrying 35 outside of guide post up and down for 27 sets of piston ring.
Preferable scheme is that the rack 1 includes the upper plate 11 that 1 top of rack is arranged in, it is arranged below the rack 1
There is drawer 12,1 bottom of rack is provided with foot general assembly 13.
Rack 1 is played a supporting role, and servo pushing component 2 carries component 3, pressurized cylinder pushing component 4, operation dress up and down
It sets guidance set 8 after 5, piston ring detection components 6, waste collection box 7 and piston ring detect and is all disposed within 1 top of rack, foot is total
Filling 13 includes stabilizer blade 131 and universal wheel 132, and stabilizer blade 131 and the setting of universal wheel 132 are below the rack 1 on four feet.
Preferable scheme is that the pressurized cylinder pushing component 4 includes linear guide 41, linear slider 42, the connection of L-type guide rail
Plate 43, L-type pressurized cylinder mounting plate 44, cylinder barrel 45, oil drum 46 and pushing cylinder 47, the linear guide 41 are arranged in upper plate 11
On, it is provided with the linear slider 42 slided along linear guide 41 in the linear guide 41, is set in the linear slider 42
It is equipped with L-type guide rail splice 43, L-type pressurized cylinder mounting plate 44, the L-type pressurization are provided in the L-type guide rail splice 43
It is provided with cylinder barrel 45 in cylinder mounting plate 44, oil drum 46, the L-type guide rail splice 43 are provided with above the cylinder barrel 45
It is provided with pushing cylinder 47 corresponding with cylinder barrel 45 outside.
The linear guide 41 and linear slider 42 are provided with two groups altogether, and the linear slider 42 is separately positioned on L-type and leads
The two sides of rail connecting plate 43, every group of linear slider 42 are respectively arranged below linear guide 42 corresponding thereto, pass through
Two groups of linear guides 41 and linear slider 42 are set, keep the stability in sliding process of L-type guide rail splice 43 higher.
Pressurized cylinder pushing component 4 pushes piston ring 27 to piston ring detection components 6, and oil drum 46 is that cylinder barrel 45 provides combustion
Material, for cylinder barrel 45 for pushing pushing cylinder 47 to be moved, the shape of pushing cylinder 47 and the shape of piston ring are consistent, are pushed away by pushing cylinder 47
The dynamic piston ring 27 for carrying the landing of component 3 up and down is detected into piston ring detection components 6.
Preferable scheme is that the piston ring detection components 6 include detection mold mounting rack 61, dehisce to detect mold installation
Ring 62 and dehiscing detects mold 63, and the setting of detection mold mounting rack 61 is on the right side of pushing cylinder 47, the detection mold mounting rack
61 are internally provided with and dehisce to detect mold mounting ring 62, it is described dehisce to detect to be arranged in mold mounting ring 62 dehisce to detect mold
63, it is described to dehisce to detect the waste collection box 7 being provided with below mold 63 for collecting unqualified piston ring 27, it is described to dehisce to examine
The outer diameter for surveying mold 63 is consistent with the length of 27 internal diameter of piston ring.
For detecting to the index of piston ring 27, pushing cylinder 47 pushes to piston ring 27 dehisces plug ring detection components 6
It detects on mold 63, when piston ring 27 meets the requirements, piston ring 27 enters guidance set 8 after piston ring detection, works as piston ring
27 it is undesirable when, piston ring 27 can be fallen in the waste collection box 7 for dehiscing to detect the lower section of mold 63.
Preferable scheme is that guidance set 8 includes guiding trestle 81, piston ring detection back guide after the piston ring detection
82 and back guide connecting plate 83, the setting of guiding trestle 81 detects back guide 82 in 7 right side of waste collection box, the piston ring
It is mounted on guiding trestle 81 by back guide connecting plate 83, the piston ring detects the end of back guide 82 and dehisces to detect mould
Tool 63 connects.
Piston ring 27 after guidance set 8 is used to will test after piston ring detection is directed in collector, piston ring detection
The thickness of back guide 82 is consistent with 27 openings of sizes of piston ring.
The guiding trestle 81 and back guide connecting plate 83 are provided with two groups altogether, close to dehisce after detecting 63 side of mold
The height of guide plate connecting plate 83 dehisces to detect the back guide connecting plate 83 of 63 side of mold, two groups of back guide connecting plates higher than separate
83 form a slope, so that the piston ring 27 detected be made quickly to slide into piston ring collector.
Preferable scheme is that the operating device 5 includes operation rack 51 and cabinet 52, the setting of operation rack 51 exists
4 front of pressurized cylinder pushing component, the setting of cabinet 52 are provided with red blue green report above the cabinet 52 in operation rack 51
Warning lamp 53 is provided with touch screen 54 in front of the cabinet 52, operation button 55 is provided with below the cabinet 52, the operation is pressed
Button includes stopping, starting, resetting, scram button.
The working principle of the utility model is to push to piston ring by horizontal servo mould group and carry on component up and down,
Horizontal servo mould group can accurately control the number for needing the piston ring detected, can orderly and incessantly push piston ring,
It carries out entire detection process without any confusion, piston ring is dropped into pressurized cylinder pushing component and work by carrying component up and down
Among plug ring detection components, pushes piston ring to enter by pushing cylinder and dehisce to detect in mold, piston ring is detected, it is unqualified
Piston ring fall in waste collection box, qualified piston ring by piston ring detect back guide 82 be directed to piston ring collect
In device.
It is the preferred embodiment of the utility model above, does not impose any limitation on the present invention,
All foundation the technical essence of the utility model any simple modification, equivalent change and modification made to the above embodiment,
Belong in the range of utility model technical solution.
Claims (10)
- The detection machine 1. piston ring is dehisced, which is characterized in that it includes rack, servo pushing component, carries component, pressurized cylinder up and down Guidance set after pushing component, operating device, piston ring detection components, waste collection box and piston ring detection, the servo push away The dynamic component side of being arranged on the rack, the component of carrying up and down are arranged on the right side of servo pushing component, the pressurized cylinder promotion group Part is arranged in front of servo pushing component, and the piston ring detection components are arranged on the right side of pressurized cylinder pushing component, the piston It is provided with waste collection box below ring detection components, guiding group after piston ring detection is provided on the right side of the piston ring detection components Part；The servo pushing component includes horizontal servo mould group mounting plate, and the horizontal servo mould group mounting plate vertical level is set 3 groups are equipped with, horizontal servo mould group is installed on the horizontal servo mould group mounting plate, the horizontal servo mould group end is provided with The first servo motor of horizontal servo mould group is driven, sliding is provided with lower stop cylinder in the horizontal servo mould group, under described Lower countercheck rod is connected on stop cylinder axis, horizontal servo mould group mounting plate upper end is provided with piston ring mounting plate, institute It states and is provided with piston ring guide plate on piston ring mounting plate, piston ring, the piston ring guide plate are arranged on the piston ring guide plate Side is provided with stop cylinder mounting plate, and stop cylinder, the upper stop cylinder are provided on the stop cylinder mounting plate Countercheck rod is connected on axis.
- The detection machine 2. piston ring according to claim 1 is dehisced, which is characterized in that the component of carrying up and down includes up and down Carry servo mould group mounting plate, up and down carry servo mould group, the second servo motor, up and down carry servo mould group connecting plate and up and down Guide post is carried, is provided on the right side of the horizontal servo mould group mounting plate and carries servo mould group mounting plate up and down, it is described to carry up and down It is provided on servo mould group mounting plate and carries servo mould group up and down, described carried above servo mould group up and down is provided with the second servo Motor, it is described to carry the setting of servo mould group connecting plate up and down in carrying servo mould group up and down, it is described to carry servo mould group up and down Connecting plate be fixedly installed with up and down carry guide post, it is described up and down carry servo mould group connecting plate can vertically carry servo mould group into Row slides up and down.
- The detection machine 3. piston ring according to claim 1 is dehisced, which is characterized in that the rack includes being arranged on the rack The upper plate of side, the rack lower section are provided with drawer, and the bottom of the frame is provided with foot general assembly.
- The detection machine 4. piston ring according to claim 1 is dehisced, which is characterized in that the pressurized cylinder pushing component includes straight Line guide rail, linear slider, L-type guide rail splice, L-type pressurized cylinder mounting plate, cylinder barrel, oil drum and pushing cylinder, the straight line are led Rail is arranged on upper plate, and the linear slider slided along linear guide is provided in the linear guide, and the straight line is sliding It is provided with L-type guide rail splice on block, L-type pressurized cylinder mounting plate, the L-type pressurization are provided in the L-type guide rail splice Be provided with cylinder barrel in cylinder mounting plate, oil drum be provided with above the cylinder barrel, be provided with outside the L-type guide rail splice with The corresponding pushing cylinder of cylinder barrel.
- The detection machine 5. piston ring according to claim 1 is dehisced, which is characterized in that the piston ring detection components include inspection Mold mounting rack is surveyed, dehisces to detect mold mounting ring and dehisces to detect mold, the detection mold mounting rack setting is on the pushing cylinder right side Side, the detection mold mounting rack, which is internally provided with, dehisces to detect mold mounting ring, it is described dehisce to detect covered in mold mounting ring Mold is detected equipped with dehiscing, it is described to dehisce to detect the waste collection box being provided with below mold for collecting unqualified piston ring.
- The detection machine 6. piston ring according to claim 1 is dehisced, which is characterized in that guidance set after the piston ring detection It is arranged on the right side of waste collection box including guiding trestle, piston ring detection back guide and back guide connecting plate, the guiding trestle, The piston ring detection back guide is mounted on guiding trestle by back guide connecting plate, the end of the piston ring detection back guide Portion connects with dehiscing to detect mold.
- The detection machine 7. piston ring according to claim 1 is dehisced, which is characterized in that the operating device includes operation rack And cabinet, the operation rack are arranged in front of pressurized cylinder pushing component, the cabinet setting is in operation rack, the cabinet Top is provided with red blue green alarm lamp, and touch screen is provided in front of the cabinet, is provided with operation button below the cabinet.
- The detection machine 8. piston ring according to claim 4 is dehisced, which is characterized in that the linear guide and linear slider are total Two groups are provided with, the linear slider is separately positioned on the two sides of L-type guide rail splice, difference below every group of linear slider It is provided with linear guide corresponding thereto.
- The detection machine 9. piston ring according to claim 5 is dehisced, which is characterized in that the outer diameter for dehiscing to detect mold with The length of piston ring internal diameter is consistent.
- The detection machine 10. piston ring according to claim 6 is dehisced, which is characterized in that the guiding trestle and back guide connect Fishplate bar is provided with two groups altogether, dehisces to detect mold higher than separate close to the height for dehiscing to detect the back guide connecting plate of mold side The back guide connecting plate of side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770255.6U CN209131614U (en) | 2018-10-30 | 2018-10-30 | Piston ring is dehisced detection machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821770255.6U CN209131614U (en) | 2018-10-30 | 2018-10-30 | Piston ring is dehisced detection machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209131614U true CN209131614U (en) | 2019-07-19 |
Family
ID=67233255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821770255.6U Active CN209131614U (en) | 2018-10-30 | 2018-10-30 | Piston ring is dehisced detection machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209131614U (en) |
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2018
- 2018-10-30 CN CN201821770255.6U patent/CN209131614U/en active Active
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