CN109060960A - Carbon-fibre wire dynamic on-line monitoring method and its detector - Google Patents
Carbon-fibre wire dynamic on-line monitoring method and its detector Download PDFInfo
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- CN109060960A CN109060960A CN201811074133.8A CN201811074133A CN109060960A CN 109060960 A CN109060960 A CN 109060960A CN 201811074133 A CN201811074133 A CN 201811074133A CN 109060960 A CN109060960 A CN 109060960A
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- carbon
- line monitoring
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- 239000000835 fiber Substances 0.000 title claims abstract description 28
- 238000012544 monitoring process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000000049 pigment Substances 0.000 claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 15
- 239000000523 sample Substances 0.000 claims abstract description 12
- 238000000354 decomposition reaction Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 19
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 12
- 239000004917 carbon fiber Substances 0.000 claims description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 11
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000003086 colorant Substances 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 6
- 239000003550 marker Substances 0.000 abstract description 3
- 230000001771 impaired effect Effects 0.000 description 9
- 239000007921 spray Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001633663 Iris pseudacorus Species 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/048—Marking the faulty objects
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2636—Surfaces cylindrical from inside
Abstract
The invention discloses carbon-fibre wire dynamic on-line monitoring method and its detectors, including body frame, driving mechanism, testing agency, marking mechanism and master controller；Driving mechanism includes the idler wheel of relative spacing arrangement, the driving idler wheel motor rotated and the connector for connecting driving mechanism with body frame；Testing agency includes supersonic detector and probe；Marking mechanism includes pigment bin, the jet pump and nozzle that are connected to pigment bin；Master controller with respectively can electric control part electric signal connect.Entire detector is hung on conducting wire using driving mechanism and is moved along conducting wire, realizes automatic detection, is not necessarily to manual intervention, is suitable for high altitude wire operation；Lossless decomposition is carried out using supersonic detector, detection efficiency is high；Due to being equipped with marking mechanism, conducting wire damaged location is found in time convenient for later period maintenance personnel, and due to marker color difference, specific damage situations can be judged according to color, improve later period overhaul efficiency.
Description
Technical field
The present invention relates to electrical equipment technical field, more particularly to a kind of carbon-fibre wire dynamic on-line monitoring method and
Its detector.
Background technique
The composition of existing carbon-fibre wire (as shown in Figure 1) includes the carbon fiber layer of internal layer, outside carbon fiber layer
Resin layer and the metal layer (usually aluminium or copper) outside resin layer.The special construction of carbon-fibre wire makes it put into operation
It is especially difficult to the maintenance of its internal carbon fibers composite core (carbon fiber layer and resin layer) afterwards, it can not find that in time carbon fiber is compound
The damage situations of core inner are not easy to line security management, and there are security risks.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the invention proposes one kind
Carbon-fibre wire dynamic on-line monitoring instrument, including body frame, driving mechanism, testing agency, marking mechanism and master controller；
The driving mechanism includes the idler wheel of relative spacing arrangement, the motor of driving idler wheel rotation and by driving mechanism and master
The connector of frame connection；
The testing agency includes the supersonic detector and probe on body frame；
The marking mechanism includes pigment bin, the jet pump and nozzle that are connected to pigment bin；
The master controller with respectively can electric control part electric signal connect.
Further, the terminal for further including wireless communication module and being wirelessly connected with wireless communication module；The wireless telecommunications
Module is set on body frame and connect with controller electric signal.
It further, further include the locating module on body frame；The locating module is connect with the controller electric signal.
Further, the pigment bin at least there are two, in be equipped with different colours pigment；Each pigment bin passes through pigment
Pipe is connected with a jet pump, and the jet pump is connected to nozzle；The jet pump is connect with the master controller electric signal.
It further, further include solar panel；The solar panel is mounted on the master by solar bracket
On frame, the solar panel provides electric energy for the detector.
Further, the supersonic detector is set between idler wheel positioned opposite, and the probe is set to ultrasonic examination
Instrument lower end；The supersonic detector is connect with master controller electric signal.
Further, the connector of the driving mechanism includes the wheel connection frame connecting with idler wheel, is set to wheel connection frame upper end
Sliding block, with sliding block cooperation guide rail；The guide rail is horizontally disposed in the body frame side；The idler wheel of relative spacing arrangement
Spacing is adjusted by the guide rail.
It further, further include ball；The ball is set between the idler wheel of relative spacing arrangement, and ball lower end
Higher than idler wheel upper end；The ball is connect by ball connection frame with body frame.
Further, the wheel connection frame or the vertical height of the ball connection frame are adjustable.
Carbon-fibre wire dynamic on-line monitoring instrument proposed by the present invention, entire detector is hung on lead using driving mechanism
It is moved on line and along conducting wire, realizes automatic detection, be not necessarily to manual intervention, be suitable for high altitude wire operation；It is visited using ultrasonic wave
Hurt instrument and its probe and lossless decomposition is carried out to conducting wire, conducting wire normal use is nor affected on while detection efficiency is high；Due to setting
There is marking mechanism, finds conducting wire damaged location in time convenient for later period maintenance personnel, and due to marker color difference, it can be according to color
Judge specific damage situations, improves later period overhaul efficiency；Due to being provided with locating module, it can grasp what whole conducting wire appearance was damaged
Quantity and impaired approximate location, convenient for formulating reasonable maintenance solution to entire conducting wire；It, can since wireless communication module is arranged
It realizes remote control and grasps in real time；It is particularly suitable for high-altitude carbon-fibre wire upkeep operation.
The invention also provides a kind of carbon-fibre wire dynamic on-line monitoring methods, include the following steps:
A. driving mechanism, testing agency, marking mechanism, wireless communication module, locating module, solar panel will be had
And the detector of master controller is erected on conducting wire to be detected and starts detector；
B. driving mechanism driving detector moves on conducting wire along conducting wire；
C. for detector while moving on conducting wire, testing agency is real-time to conducting wire using supersonic detector and its probe
Lossless decomposition is carried out, and feedback signal is transferred to master controller；When the feedback signal of supersonic detector is with low frequency
When main, then master controller is judged as that the resin layer of conducting wire has fracture, when the feedback signal of supersonic detector is based on high-frequency
When, then master controller is judged as that the carbon fiber layer of conducting wire has fracture；Master controller generates corresponding wire fracture information and controls
It is mobile that driving mechanism stops driving detector；
D. after wire fracture information generates in step C, the location information of locating module positioning at this time, master controller passes through
Wire fracture information and location information are sent to the terminal being wirelessly connected with wireless communication module by wireless communication module；
E. after wire fracture information generates in step C, main controller controls marking mechanism is according to wire fracture information pair
The pigment of conducting wire outer jet different colours carries out not isolabeling to conducting wire difference fracture result to realize；
F. step B is come back to, until the detection of entire conducting wire terminates.
Carbon-fibre wire dynamic on-line monitoring method proposed by the present invention is realized by the feedback signal of supersonic detector
Impaired detection to carbon-fibre wire, detection is accurate, not damage wires；And it is equipped with driving mechanism and wireless communication module, it can be real
Now long-range nobody detects automatically, and detection efficiency is high, reduces labor intensity；By the pigment to conducting wire outer jet different colours with
It realizes and not isolabeling is carried out to conducting wire difference fracture result, provide convenience for the repairing wire work after detection.
Detailed description of the invention
Fig. 1 is the schematic cross-sectional view of carbon-fibre wire in background technique；
Fig. 2 is the schematic view of the front view of carbon-fibre wire dynamic on-line monitoring instrument provided by the invention；
Fig. 3 is the left view structural representation of Fig. 2；
Fig. 4 is the right side structural representation of Fig. 2；
Wherein, 1, carbon fiber layer；2, resin layer；3, metal layer；4, conducting wire；5, idler wheel；6, motor；7, connection frame is taken turns；8,
Sliding block；9, guide rail；10, ball；11, ball connection frame；12, supersonic detector；13, it pops one's head in；14, pigment bin；15, it sprays
Pump；16, nozzle；17, master controller；18, wireless communication module；19, solar panel；20, solar bracket；21, body frame；
22, pigment tube.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and for explaining only the invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom" "inner", "outside" is side based on the figure
Position or positional relationship, are merely for convenience of description of the present invention and simplification of the description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, is arranged or one
It connects to body, be arranged.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.
The invention proposes a kind of carbon-fibre wire dynamic on-line monitoring methods, include the following steps:
A. driving mechanism, testing agency, marking mechanism, wireless communication module, locating module, solar panel will be had
And the detector of master controller is erected on conducting wire to be detected and starts detector；
B. driving mechanism driving detector moves on conducting wire along conducting wire；
C. for detector while moving on conducting wire, testing agency is real-time to conducting wire using supersonic detector and its probe
Lossless decomposition is carried out, and feedback signal is transferred to master controller；When the feedback signal of supersonic detector is with low frequency
When main, then master controller is judged as that the resin layer of conducting wire has fracture, when the feedback signal of supersonic detector is based on high-frequency
When, then master controller is judged as that the carbon fiber layer of conducting wire has fracture；Master controller generates corresponding wire fracture information and controls
It is mobile that driving mechanism stops driving detector；
D. after wire fracture information generates in step C, the location information of locating module positioning at this time, master controller passes through
Wire fracture information and location information are sent to the terminal being wirelessly connected with wireless communication module by wireless communication module；
E. after wire fracture information generates in step C, main controller controls marking mechanism is according to wire fracture information pair
The pigment of conducting wire outer jet different colours carries out not isolabeling to conducting wire difference fracture result to realize；
F. step B is come back to, until the detection of entire conducting wire terminates.
As shown in figs. 2 to 4, the present invention provides carbon-fibre wire dynamic on-line monitoring instrument according to above-mentioned detection method, packet
Include body frame 21, driving mechanism, testing agency, marking mechanism and master controller 17；
Driving mechanism includes the motor 6 that the idler wheel 5 of relative spacing arrangement, driving idler wheel 5 rotate and by driving mechanism and master
The connector that frame 21 connects；
Testing agency includes supersonic detector 12 and probe 13 on body frame 21；
Marking mechanism includes pigment bin 14, the jet pump being connected to pigment bin 14 15 and nozzle 16；
Master controller 17 with respectively can electric control part electric signal connect.
The terminal (not shown) for further including wireless communication module 18 and being wirelessly connected with wireless communication module 18；Wireless telecommunications
Module 18 is set on body frame 21 and connect with controller electric signal.
It further include solar panel 19；Solar panel 19 is mounted on body frame 21 by solar bracket 20, too
Positive energy solar panel 19 provides electric energy for detector.
Supersonic detector 12 is preferably set between idler wheel 5 positioned opposite, and probe 13 is set to supersonic detector 12
Lower end；Supersonic detector 12 is connect with 17 electric signal of master controller.
It further include the locating module on body frame 21；Locating module is connect with controller electric signal.Locating module is preferred
For GPS positioning.Since locating module is arranged, so that detector is applicable to the longer conducting wire of route.
Pigment bin 14 at least there are two, in be equipped with different colours pigment；Each pigment bin 14 is connected by pigment tube 22
It is connected to a jet pump 15, jet pump 15 is connected to nozzle 16；Jet pump 15 is connect with 17 electric signal of master controller.Due to positioning
Module there are certain position error, can only positioning lead there is impaired approximate location, specific location and specific impaired
Length still needs marking mechanism to realize, i.e., a part is damaged length on conducting wire, and specifically impaired type can pass through label
Mechanism is distinguished and mark；For example, pigment bin 14 is corresponding with red and yellow, corresponding yellow is that resin layer has fracture, red right
What is answered is that carbon fiber layer has fracture；When the feedback signal of supersonic detector 12 is main with low frequency, then master controller 17 is sentenced
Breaking has fracture for the resin layer of conducting wire, then locating module not only orients conducting wire geographical location at this time, and location information is sent out
It send to the terminal being wirelessly connected with wireless communication module 18；Meanwhile the corresponding jet pump 15 in yellow uitramarine storehouse 14 is powered, and passes through
The corresponding nozzle 16 of jet pump 15 sprays on yellow uitramarine to conducting wire；If the feedback signal of supersonic detector 12 is continuously low
When frequency, then corresponding jet pump 15 persistently sprays on corresponding yellow uitramarine to conducting wire, thus the position of yellow flag and length
The as position of conducting wire resin fault rupture and length.Similarly, when the feedback signal of supersonic detector 12 is main with high-frequency,
Then master controller 17 is judged as that the carbon fiber layer of conducting wire has fracture, then corresponding position will appear red pigment label on conducting wire.
It can be very good to make up location information by label and cannot report the defect of continuous position, is i.e. location information can only show
The impaired position of conducting wire of anticipating out, and conducting wire can not be illustrated to be damaged length.
The connector of driving mechanism include connect with idler wheel 5 wheel connection frame 7, set on wheel 7 upper end of connection frame sliding block 8,
The guide rail 9 cooperated with sliding block 8；Guide rail 9 is horizontally disposed in 21 side of body frame；The idler wheel 5 of relative spacing arrangement is adjusted by guide rail 9
Spacing.
It further include ball 10；Ball 10 is set between the idler wheel 5 of relative spacing arrangement, and 10 lower end of ball is higher than
5 upper end of idler wheel；Ball 10 is connect by ball connection frame 11 with body frame 21.By the effect of ball 10, keep detector more steady
Fixed is erected on conducting wire, and movement is more smooth.
It takes turns connection frame 7 or the vertical height of ball connection frame 11 is adjustable.Therefore, detector is applicable to the conducting wire of different-diameter.
It should be noted that the programming mode of master controller 17 and the mode connecting with corresponding component use the prior art,
This technology belongs to ordinary skill in the art means；In addition, supersonic detector 12, which also belongs to existing market, directly to be bought
Or assemble and obtain, supersonic detector 12 is very mature in lossless decomposition field, and using in the present embodiment is held in the mouth
Connect the frequency for only needing to show that conducting wire to be measured is reflected under not damage situations by measuring and calculation；Certainly, preferably,
Detector before factory, can in advance in master controller 17 typing conducting wire three kinds of frequency informations, i.e., not impaired frequency information,
The frequency information that the impaired frequency information of resin layer and carbon fiber layer are damaged.When specifically used after factory, master controller 17
The frequency information and typing frequency information fed back when need to only will test compares.
Carbon-fibre wire dynamic on-line monitoring instrument proposed by the present invention, entire detector is hung on lead using driving mechanism
It is moved on line and along conducting wire, realizes automatic detection, be not necessarily to manual intervention, be suitable for high altitude wire operation；It is visited using ultrasonic wave
Hurt 13 pairs of conducting wires of instrument 12 and its probe and carry out lossless decomposition, conducting wire normal use is nor affected on while detection efficiency is high；By
In being equipped with marking mechanism, conducting wire damaged location is found in time convenient for later period maintenance personnel, and due to marker color difference, it can basis
Color judges specific damage situations, improves later period overhaul efficiency；Due to being provided with locating module, can grasp whole conducting wire occur by
The quantity of damage and impaired approximate location, convenient for formulating reasonable maintenance solution to entire conducting wire；Since wireless telecommunications mould is arranged
Block 18 is, it can be achieved that remote control and in real time grasp；It is particularly suitable for high-altitude carbon-fibre wire upkeep operation.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that: not
A variety of change, modification, replacement and modification can be carried out to these embodiments in the case where being detached from the principle of the present invention and objective, this
The range of invention is defined by the claims and their equivalents.
Claims (10)
1. a kind of carbon-fibre wire dynamic on-line monitoring instrument, which is characterized in that including body frame, driving mechanism, testing agency, label
Mechanism and master controller；
The driving mechanism includes the idler wheel of relative spacing arrangement, drives the motor of idler wheel rotation and connect driving mechanism and body frame
The connector connect；
The testing agency includes the supersonic detector and probe on body frame；
The marking mechanism includes pigment bin, the jet pump and nozzle that are connected to pigment bin；
The master controller with respectively can electric control part electric signal connect.
2. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that further include wireless telecommunications mould
Block and the terminal being wirelessly connected with wireless communication module；The wireless communication module is set on body frame and connects with controller electric signal
It connects.
3. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that further include being set on body frame
Locating module；The locating module is connect with the controller electric signal.
4. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that the pigment bin is at least
Two, the interior pigment for being equipped with different colours；Each pigment bin is connected with a jet pump by pigment tube, the jet pump with
Nozzle connection；The jet pump is connect with the master controller electric signal.
5. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that further include solar battery
Plate；The solar panel is mounted on the body frame by solar bracket, and the solar panel is the detection
Instrument provides electric energy.
6. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that the supersonic detector
Between idler wheel positioned opposite, the probe is set to supersonic detector lower end；The supersonic detector and main control
The connection of device electric signal.
7. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that the company of the driving mechanism
Fitting includes the wheel connection frame connecting with idler wheel, the sliding block set on wheel connection frame upper end, the guide rail with sliding block cooperation；The guide rail
It is horizontally disposed in the body frame side；The idler wheel of relative spacing arrangement adjusts spacing by the guide rail.
8. carbon-fibre wire dynamic on-line monitoring instrument according to claim 1, which is characterized in that further include ball；Institute
Ball is stated between the idler wheel of relative spacing arrangement, and ball lower end is higher than idler wheel upper end；The ball passes through ball
Connection frame is connect with body frame.
9. carbon-fibre wire dynamic on-line monitoring instrument according to claim 7 or 8, which is characterized in that the wheel connection frame
Or the vertical height of the ball connection frame is adjustable.
10. a kind of carbon-fibre wire dynamic on-line monitoring method, which comprises the steps of:
A. driving mechanism, testing agency, marking mechanism, wireless communication module, locating module, solar panel and master will be had
The detector of controller is erected on conducting wire to be detected and starts detector；
B. driving mechanism driving detector moves on conducting wire along conducting wire；
C. for detector while moving on conducting wire, testing agency is using supersonic detector and its probe to conducting wire real-time perfoming
Lossless decomposition, and feedback signal is transferred to master controller；When the feedback signal of supersonic detector is main with low frequency,
Then master controller is judged as that the resin layer of conducting wire has fracture, when the feedback signal of supersonic detector is main with high-frequency, then
Master controller is judged as that the carbon fiber layer of conducting wire has fracture；Master controller generates corresponding wire fracture information and controls driving machine
It is mobile that structure stops driving detector；
D. after wire fracture information generates in step C, the location information of locating module positioning at this time, master controller passes through wireless
Wire fracture information and location information are sent to the terminal being wirelessly connected with wireless communication module by communication module；
E. after wire fracture information generates in step C, main controller controls marking mechanism is according to wire fracture information to conducting wire
The pigment of outer jet different colours carries out not isolabeling to conducting wire difference fracture result to realize；
F. step B is come back to, until the detection of entire conducting wire terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074133.8A CN109060960A (en) | 2018-09-14 | 2018-09-14 | Carbon-fibre wire dynamic on-line monitoring method and its detector |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811074133.8A CN109060960A (en) | 2018-09-14 | 2018-09-14 | Carbon-fibre wire dynamic on-line monitoring method and its detector |
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| CN109060960A true CN109060960A (en) | 2018-12-21 |
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| CN201811074133.8A Pending CN109060960A (en) | 2018-09-14 | 2018-09-14 | Carbon-fibre wire dynamic on-line monitoring method and its detector |
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| CN116116984A (en) * | 2022-12-29 | 2023-05-16 | 江苏镨赛精工科技有限公司 | Composite stainless steel plate punching machine |
| CN116116984B (en) * | 2022-12-29 | 2024-01-23 | 江苏镨赛精工科技有限公司 | Composite stainless steel plate punching machine |
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