CN104406491B - Suspension hook based on image recognition technology scraps detection device and its detection method - Google Patents
Suspension hook based on image recognition technology scraps detection device and its detection method Download PDFInfo
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- CN104406491B CN104406491B CN201410714944.5A CN201410714944A CN104406491B CN 104406491 B CN104406491 B CN 104406491B CN 201410714944 A CN201410714944 A CN 201410714944A CN 104406491 B CN104406491 B CN 104406491B
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Abstract
The present invention provides a kind of suspension hook based on image recognition technology and scraps detection device comprising: pedestal；Two acquire the image acquisition device of suspension hook image simultaneously；Two pieces of scaling boards for picture size calibration；Two are adjusted the fixed frame of connection with side of base respectively, are fixed with one piece of scaling board and an image acquisition device on each fixed frame；Slave computer control module；Upper computer control module；And the display module being connect with upper computer control module.Suspension hook of the invention scraps that detection device measurement accuracy is high, needs easy to use and adapting to hoisting machinery security regulations, the detection device can also be achieved and quickly, reliably and accurately suspension hook is carried out scrapping detection and be determined while improving the opening degree and critical section wear intensity measurement accuracy of suspension hook.The present invention also provides a kind of detection method using above-mentioned detection device, which, which scraps detection method, can be improved the opening degree of suspension hook and the measurement accuracy of critical section wear intensity, so that improving suspension hook scraps the accuracy that detection determines.
Description
Technical field
The present invention relates to engineering Inspection Technique fields, more specifically to a kind of suspension hook based on image recognition technology
Scrap detection device and its detection method.
Background technique
Hoisting machinery is improvement material mode of transport in modern economic construction, is to realize Automation of Manufacturing Process, mechanization
With indispensable logistics transportation equipment of raising labour productivity.Wherein, suspension hook be most widely used on crane take object
Device is one of important spare part of crane.Suspension hook carries whole load of handling, during the work time its force-bearing situation
It is sufficiently complex, other than bearing the weight of weight, still suffer from the shock loading of raising and braking generation.Therefore, suspension hook quality
The poor longer suspension hook of bad or validity period inevitably crack or even be broken in use, thereby tend to leave
The hidden danger of accident.
It can be seen that the safety of suspension hook is significant to hoisting machinery.According to the regulation of country, the inspection of crane hook
It is required that and Rejection standard have corresponding quantitative data, when check discovery suspension hook there are one of following situations, it should stop immediately
Only using being scrapped:
A, critical section vertical direction abrasion reaches the 10% of full size；
B, critical section horizontal direction abrasion reaches the 10% of full size；
C, opening degree increases by 15% than full size.
It at this stage, is all by manually adopting for detections such as the wear intensities of the opening degree of crane hook and critical section
Detection is measured with specific purpose tools such as vernier caliper and dial gauges.But artificial detection can have subjectivity, can not quickly,
Related data is reliably and accurately measured, to cause that the wear intensity measurement error of opening degree or critical section is big, measurement accuracy
Low, detection efficiency is low and the various problems such as rejection judgment result inaccuracy.This detection is big in the presence of measurement difficulty, measurement accuracy is low
The problem of cannot not only reflect suspension hook equipment safety situation information in time, nor can be effectively ensured hoisting machinery safety fortune
Row.
Moreover, the inspection business of special equipment also constantly increases with the increase of crane quantity, manual operation is utilized
The conventional inspection method measured using specific purpose tools such as vernier caliper and dial gauges can no longer meet the essence of examination requirements
Degree, spent working time are also unable to satisfy the development need of nowadays Cause of drug control.
Summary of the invention
It is an object of the invention to overcome shortcoming and deficiency in the prior art, provide that a kind of measurement accuracy is high, user
Just and adapt to hoisting machinery security regulations needs suspension hook scrap detection device, the detection device improve suspension hook opening degree
And while critical section wear intensity measurement accuracy, can also be achieved quickly, reliably and accurately suspension hook is carried out to scrap detection
And determine.Realize that the suspension hook based on image recognition technology scraps detection side using above-mentioned detection device the present invention also provides a kind of
Method improves suspension hook and scraps the accurate of detection judgement to improve the opening degree of suspension hook and the measurement accuracy of critical section wear intensity
Degree.
In order to achieve the above object, the technical scheme is that: one kind be based on image recognition technology
Suspension hook scrap detection device, it is characterised in that: include:
For fixing the pedestal of lift hook position；
Two acquire the image acquisition device of suspension hook image simultaneously；
Two pieces are used for the scaling boards that picture size is demarcated, and are provided with scale on the scaling board；
Two, respectively with the adjustable fixed frame connected of side of base, for placing image acquisition device and scaling board, and are adjusted
Image acquisition device is saved at a distance from suspension hook；One piece of scaling board and an image acquisition device are fixed on each fixed frame；
Slave computer control for saving data in real time, receiving the feedback signal of image acquisition device and control image acquisition device
Module；
For real-time reception slave computer control module feedback information and control the PC control of slave computer control module
Module；
And the display module being connect with upper computer control module；
Described image collector is connect with the mutual signal of slave computer control module respectively；The slave computer control module with it is upper
The mutual signal connection of position machine control module.
It is scrapped in detection device use process in suspension hook, reviewer directly can learn the open-mouth ruler of suspension hook in display module
Very little and critical section size, and by being carried out with the original size before the deposited suspension hook use of database in upper computer control module
Compare, then may determine that whether the opening degree of suspension hook and critical section wear intensity up to standard, thus quickly and accurately detect and sentence
Whether the fixed suspension hook is scrapped.
The present invention includes two fixed frames with pedestal positive side and the adjustable connection of rear side respectively；Each fixed frame packet
The fixed plate with the bracket of the adjustable connection of pedestal and with the adjustable connection of bracket is included, is fixed with one piece of mark in the fixed plate
Fixed board and an image acquisition device.The present invention respectively from the positive side of suspension hook and the image of the image and scale that obtain suspension hook of tossing about,
To carry out the identification of the calibration of size and the image of suspension hook.
" ten " font bracket that the bracket is made of strut one and strut two, the strut one and strut two are along length side
To several mounting holes are provided with, strut one and the adjustable connection of strut two can be realized by fastener.
Several mounting holes are provided on the footing of the pedestal, strut one is real by the connection of fastener and mounting hole
Existing bracket and the adjustable connection of pedestal；The fixed plate, which is connect by fastener with mounting hole, realizes that fixed plate and strut two are adjustable
Section connection.The present invention passes through the adjustable connection of strut one and strut two, strut one and the adjustable connection of pedestal and fixation
Plate and the adjustable connection of strut two realize that effectively adjustment image acquisition device and scaling board are at a distance from suspension hook, improve and obtain figure
As the validity of information.
More specifically, every piece of scaling board and hook balancing and mutually staggering with suspension hook is fixed on fixed frame.This
It is parallel with scale vertical direction that sample can keep suspension hook, and when facilitating image procossing at the separation of suspension hook image and scale image
Reason.
Two pieces are provided at the top of the pedestal for gripping the grip block of suspension hook, two pieces of grip blocks and pedestal can
Connection is adjusted, adjusting position when work is used for and clamps suspension hook.Grip block of the present invention and the adjustable connection of pedestal can be to different models
Suspension hook effectively clamped, to improve the versatility and practicability of detection device.
The pedestal is prismatic table shape pedestal；The display module is operable touch screen.The design of prismatic table shape pedestal can
Improve the structural soundness of detection device.In the detection process, testing staff can be grasped accordingly by touch screen real-time perfoming
Make.
A kind of detection method for being scrapped detection device using the above-mentioned suspension hook based on image recognition technology, feature are existed
In: the image by acquiring the image and scale that set up suspension hook on the base simultaneously, and respectively to the same width of obverse and reverse
The image of suspension hook and the image of scale are pre-processed in picture；Then pass through the image calibration pixel ruler of pretreated scale
Very little ratio, and be calculated the initial of suspension hook opening and critical section to the image of pretreated suspension hook using traversal
Size；The final ruler of suspension hook opening and critical section is obtained finally by conversion between original dimension and Pixel Dimensions ratio
It is very little, and suspension hook opening and the final average-size of critical section in front suspension hook image and reverse side suspension hook image are found out, it realizes
The judgement of opening degree and critical section wear intensity to suspension hook.
In above-mentioned detection method, suspension hook opening size and critical section size for multilevel iudge are to pass through front
It obtains image and reverse side and obtains and obtained by calculating to be averaged after image, which solves artificial detection and make size
The problems such as measurement is inaccurate, measurement error is big low with measurement accuracy, so that the opening size and critical section of suspension hook can be improved
While the measurement accuracy of size scraps the accuracy that detection determines to improve suspension hook, the work effect of reviewer also can be improved
Rate.
Detection method the following steps are included:
The first step acquires suspension hook image and scale image from the suspension hook obverse and reverse set up on the base simultaneously；
Second step, in the picture of same width front the image of scale and the image of suspension hook separate, then to scale
Image carry out binaryzation pretreatment, the image of pretreated scale is carried out from top to bottom and from left to right using traversal
It scans and calculates, obtain the dimension scale of pixel；
Third step is carried out binaryzation pretreatment to the image of suspension hook in second step, is hung using traversal to pretreated
The image progress of hook scans from top to bottom and from left to right；
The coordinate of suspension hook minimum point is set as B0(X0,Y0), along minimum point B0(X0,Y0) vertical direction scans from the bottom up,
Suspension hook is obtained in minimum point B0(X0,Y0) nearest marginal point B vertically upward1(X0,Y1), then obtain critical section vertical direction
Original dimension；
The coordinate of suspension hook rightest point is set as A0(a0,b0), along rightest point A0(a0,b0) horizontal direction turns left scanning from the right side,
Suspension hook is obtained in rightest point A0(a0,b0) the nearest marginal point A of level to the left1(a1,b0), then obtain critical section horizontal direction
Original dimension；
Edge and minimum point B0(X0,Y0) horizontal direction scans from the bottom up and from left to right in 45 ° of directions, obtain suspension hook with
Minimum point B0(X0,Y0) horizontal direction be in 45 ° of directions second edge point S0(c0,d0) and third marginal point S1(c1,d1), then
The original dimension being open to suspension hook
4th step passes through the original dimension of third step critical section vertical direction, critical section horizontal direction just
Beginning sizeAnd the original dimension of suspension hook openingIt converts, obtains between the dimension scale of pixel in second step respectively
The final size of critical section vertical direction out, critical section horizontal direction final sizeAnd suspension hook opening
Final size；
5th step repeats second step to the 4th step to reverse side picture, obtains critical section vertical direction in reverse side picture
The final size of final size, the final size of critical section horizontal direction and suspension hook opening；Again by the danger of obverse and reverse
The final size of the final size in dangerous cross section perpendicular direction, the final size of critical section horizontal direction and suspension hook opening asks flat
Mean value obtains the final average-size of critical section vertical directionThe final average-size of critical section horizontal directionAnd the final average-size of suspension hook opening
6th step, by average-size every final in the 5th step respectively with the deposited suspension hook of database in upper computer control module
Original size before use is compared, and when meeting one of following situations, then determines that the suspension hook is scrapped:
A, the wear intensity of critical section vertical direction
B, the wear intensity of critical section horizontal direction
C, suspension hook opening degree
Wherein,The original size of preceding critical section vertical direction is used for suspension hook,Preceding danger is used for suspension hook
The original size of section horizontal direction,The original size being open for suspension hook using preceding suspension hook.
Compared with prior art, the invention has the advantages that with the utility model has the advantages that
1, it is high, easy to use and adapt to hoisting machinery security regulations to scrap detection device measurement accuracy with suspension hook of the invention
Needs, the detection device improve suspension hook opening degree and critical section wear intensity measurement accuracy while, can also be achieved
Quickly, reliably and accurately suspension hook is carried out scrapping detection and is determined.
2, suspension hook of the invention scrap detection device convenient and efficient can adjust image acquisition device and scaling board and suspension hook away from
From raising obtains the validity of image information.
3, suspension hook of the invention, which scraps detection method, can be improved the opening degree of suspension hook and the measurement of critical section wear intensity
Precision, so that improving suspension hook scraps the accuracy that detection determines.
4, it is to pass through calculating after obtaining image and reverse side acquisition image by front that suspension hook of the invention, which scraps detection method,
It is averaged and obtains, which solves artificial detection and make that dimensional measurement inaccuracy, measurement error be big and measurement accuracy
The problems such as low, to further increase the opening size of suspension hook and the measurement accuracy of critical section size is scrapped to improve suspension hook
While detecting the accuracy determined, the working efficiency of reviewer also can be improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that suspension hook of the present invention scraps detection device；
Fig. 2 is the schematic diagram of suspension hook image in front of the present invention；
Fig. 3 is the flow chart that suspension hook of the present invention scraps detection method；
Wherein, 1 be pedestal, 2 be image acquisition device, 3 be scaling board, 4 be scale, 5 be slave computer control module, 6 be on
Position machine control module, 7 be display module, 8 be fixed plate, 9 be strut one, 10 be that strut two, 11 is mounting hole, 12 is fastening
Part, 13 are grip block.
Specific embodiment
The present invention is described in further detail with specific embodiment with reference to the accompanying drawing.
Embodiment
As shown in Figure 1, the suspension hook of the invention based on image recognition technology scraps detection device, comprising:
For fixing the prismatic table shape pedestal 1 of lift hook position；
Two acquire the image acquisition device 2 of suspension hook image simultaneously；
Two pieces are used for the scaling boards 3 that picture size is demarcated, and are provided with scale 4 on the scaling board 3；
Two are adjusted the fixed frame of connection with 1 positive side of pedestal and rear side respectively, for placing image acquisition device 2 and calibration
Plate 3, and image acquisition device 2 is adjusted at a distance from suspension hook, one piece of scaling board 3 and an Image Acquisition are fixed on each fixed frame
Device 2；
Slave computer control for saving data in real time, receiving the feedback signal of image acquisition device and control image acquisition device
Module 5；
For real-time reception slave computer control module 5 feedback information and control the host computer control of slave computer control module 5
Molding block 6；
And the display module 7 connecting with upper computer control module 6, the display module 7 are operable touch screen.
Two image acquisition devices 2 are connect with the mutual signal of slave computer control module 5 respectively, slave computer control module 5 with it is upper
The mutual signal connection of position machine control module 6.
Fixed frame of the invention includes the fixed plate with the bracket of the adjustable connection of pedestal 1 and with the adjustable connection of bracket
8, and one piece of scaling board 3 and an image acquisition device 2 are fixed in fixed plate 8.Bracket is made of strut 1 and strut 2 10
" ten " font bracket, the strut 1 and strut 2 10 are provided with several mounting holes 11 along its length, pass through fastener
12 can realize strut 1 and the adjustable connection of strut 2 10.Several mounting holes 11, strut are provided on the footing of pedestal 1
One 9 realize bracket and the adjustable connection of pedestal 1 by the connection of fastener 12 and mounting hole 11, and fixed plate 8 passes through fastener 12
It is connect with mounting hole 11 and realizes fixed plate 8 and the adjustable connection of strut 2 10.The present invention is adjustable by strut 1 and strut 2 10
Connection, strut 1 and the adjustable connection of pedestal 1 of section and fixed plate 8 and the adjustable connection of strut 2 10, are realized effective
Image acquisition device 2 and scaling board 3 are adjusted at a distance from suspension hook, improves the validity for obtaining image information.
Every piece of scaling board of the present invention 3 and hook balancing and mutually staggering with suspension hook is fixed on fixed frame, can be kept in this way
Suspension hook is parallel with 4 vertical direction of scale, and when facilitating image procossing suspension hook image and scale image separating treatment.In order to mention
The versatility of the high detection device is provided with two pieces for gripping the grip blocks 13 of suspension hook, two pieces of grip blocks at the top of pedestal 1
13 with the adjustable connection of pedestal 1, adjusting position clamping suspension hook when for work.Grip block 13 of the present invention and the adjustable company of pedestal 1
Connect can the suspension hook to different model effectively clamped, to improve the versatility and practicability of detection device.
As shown in Figures 1 to 3, the present invention uses the above-mentioned detection side that detection device is scrapped based on the suspension hook of image recognition technology
Method, be by and meanwhile the image of the image of suspension hook and scale that is erected on pedestal 1 of acquisition, and it is same to obverse and reverse respectively
The image of suspension hook and the image of scale are pre-processed in width picture；Then pass through the image calibration picture of pretreated scale 4
Plain dimension scale, and be calculated suspension hook opening and critical section to the image of pretreated suspension hook using traversal
Original dimension；Finally by between original dimension and Pixel Dimensions ratio conversion obtain suspension hook opening and critical section it is final
Size, and suspension hook opening and the final average-size of critical section in front suspension hook image and reverse side suspension hook image are found out, it is real
Now to the judgement of the opening degree of suspension hook and critical section wear intensity.
This method specifically includes the following steps:
The first step from the suspension hook obverse and reverse being erected on pedestal 1 while acquiring suspension hook image and scale image；
Second step, in the picture of same width front the image of scale and the image of suspension hook separate, then to scale 4
Image carry out binaryzation pretreatment, the image of pretreated scale 4 is carried out from top to bottom and from left past using traversal
Right scanning simultaneously calculates, and obtains the dimension scale of pixel；
Third step is carried out binaryzation pretreatment to the image of suspension hook in second step, is hung using traversal to pretreated
The image progress of hook scans from top to bottom and from left to right；
The coordinate of suspension hook minimum point is set as B0(X0,Y0), along minimum point B0(X0,Y0) vertical direction scans from the bottom up,
Suspension hook is obtained in minimum point B0(X0,Y0) nearest marginal point B vertically upward1(X0,Y1), then obtain critical section vertical direction
Original dimension LB1-B0=Y1-Y0；
The coordinate of suspension hook rightest point is set as A0(a0,b0), along rightest point A0(a0,b0) horizontal direction turns left scanning from the right side,
Suspension hook is obtained in rightest point A0(a0,b0) the nearest marginal point A of level to the left1(a1,b0), then obtain critical section horizontal direction
Original dimension；
Edge and minimum point B0(X0,Y0) horizontal direction scans from the bottom up and from left to right in 45 ° of directions, obtain suspension hook with
Minimum point B0(X0,Y0) horizontal direction be in 45 ° of directions second edge point S0(c0,d0) and third marginal point S1(c1,d1), then
The original dimension being open to suspension hook
4th step passes through the original dimension of third step critical section vertical direction, critical section horizontal direction just
Beginning sizeAnd the original dimension of suspension hook openingIt converts, obtains between the dimension scale of pixel in second step respectively
The final size of critical section vertical direction out, critical section horizontal direction final sizeAnd suspension hook opening
Final size；
5th step repeats second step to the 4th step to reverse side picture, obtains critical section vertical direction in reverse side picture
The final size of final size, the final size of critical section horizontal direction and suspension hook opening；Again by the danger of obverse and reverse
The final size of the final size in dangerous cross section perpendicular direction, the final size of critical section horizontal direction and suspension hook opening asks flat
Mean value obtains the final average-size of critical section vertical directionThe final average-size of critical section horizontal directionAnd the final average-size of suspension hook opening
Final average-size every in 5th step is deposited with database in upper computer control module 6 respectively and is hung by the 6th step
Original size before hook use is compared, and when meeting one of following situations, then determines that the suspension hook is scrapped:
A, the wear intensity of critical section vertical direction
B, the wear intensity of critical section horizontal direction
C, suspension hook opening degree
Wherein,The original size of preceding critical section vertical direction is used for suspension hook,Preceding danger is used for suspension hook
The original size of section horizontal direction,The original size being open for suspension hook using preceding suspension hook.
The above embodiment is a preferred embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any changes, modifications, substitutions, combinations, simplifications made without departing from the spirit and principles of the present invention,
It should be equivalent substitute mode, be included within the scope of the present invention.
Claims (3)
1. a kind of suspension hook based on image recognition technology scraps detection device, it is characterised in that: include:
For fixing the pedestal of lift hook position；
Two acquire the image acquisition device of suspension hook image simultaneously；
Two pieces are used for the scaling boards that picture size is demarcated, and are provided with scale on the scaling board；
Two, respectively with the adjustable fixed frame connected of side of base, for placing image acquisition device and scaling board, and adjust figure
As collector is at a distance from suspension hook；One piece of scaling board and an image acquisition device are fixed on each fixed frame；
Slave computer for saving data in real time, receiving the feedback signal of image acquisition device and control image acquisition device controls mould
Block；
For real-time reception slave computer control module feedback information and control the upper computer control module of slave computer control module；
And the display module being connect with upper computer control module；
Described image collector is connect with the mutual signal of slave computer control module respectively；The slave computer control module and host computer
The mutual signal connection of control module；
The fixed frame of connection is adjusted with pedestal positive side and rear side respectively including two；Each fixed frame includes can with pedestal
The bracket of connection and the fixed plate with the adjustable connection of bracket are adjusted, is fixed with one piece of scaling board and one in the fixed plate
Image acquisition device；
" ten " font bracket that the bracket is made of strut one and strut two, the strut one and strut two are equal along its length
Several mounting holes are provided with, strut one and the adjustable connection of strut two can be realized by fastener；
Several mounting holes are provided on the footing of the pedestal, strut one realizes branch by the connection of fastener and mounting hole
Frame and the adjustable connection of pedestal；The fixed plate, which is connect by fastener with mounting hole, realizes fixed plate and the adjustable company of strut two
It connects；
Every piece of scaling board and suspension hook vertical direction, which are balanced and mutually staggered with suspension hook, to be fixed on fixed frame；
Two pieces are provided at the top of the pedestal for gripping the grip block of suspension hook, two pieces of grip blocks and pedestal are adjustable
Connection is used for adjusting position when work and clamps suspension hook.
2. the suspension hook according to claim 1 based on image recognition technology scraps detection device, it is characterised in that: the base
Seat is prismatic table shape pedestal；The display module is operable touch screen.
3. a kind of detection method that detection device is scrapped using the suspension hook of any of claims 1 or 2 based on image recognition technology,
It is characterized by: passing through while acquiring the image of the image and scale that set up suspension hook on the base, and respectively to front and instead
The image of suspension hook and the image of scale are pre-processed in the same width picture in face；Then pass through the image mark of pretreated scale
Determine Pixel Dimensions ratio, and use traversal to the image of pretreated suspension hook carries out that suspension hook opening is calculated and danger is disconnected
The original dimension in face；Suspension hook opening and critical section are obtained finally by conversion between original dimension and Pixel Dimensions ratio
Final size, and find out the ruler that is finally averaged of suspension hook opening and critical section in front suspension hook image and reverse side suspension hook image
It is very little, it realizes to the opening degree of suspension hook and the judgement of critical section wear intensity；
The following steps are included:
The first step acquires suspension hook image and scale image from the suspension hook obverse and reverse set up on the base simultaneously；
Second step, in the picture of same width front the image of scale and the image of suspension hook separate, then to the figure of scale
As carrying out binaryzation pretreatment, the image progress of pretreated scale is scanned from top to bottom and from left to right using traversal
And calculate, obtain the dimension scale of pixel；
Third step carries out binaryzation pretreatment to the image of suspension hook in second step, using traversal to pretreated suspension hook
Image progress scans from top to bottom and from left to right；
The coordinate of suspension hook minimum point is set as B0(X0,Y0), along minimum point B0(X0,Y0) vertical direction scans from the bottom up, obtain
Suspension hook is in minimum point B0(X0,Y0) nearest marginal point B vertically upward1(X0,Y1), then obtain the initial of critical section vertical direction
Size
The coordinate of suspension hook rightest point is set as A0(a0,b0), along rightest point A0(a0,b0) horizontal direction turns left scanning from the right side, obtain
Suspension hook is in rightest point A0(a0,b0) the nearest marginal point A of level to the left1(a1,b0), then obtain the initial of critical section horizontal direction
Size
Edge and minimum point B0(X0,Y0) horizontal direction scans from the bottom up and from left to right in 45 ° of directions, obtain suspension hook with it is minimum
Point B0(X0,Y0) horizontal direction be in 45 ° of directions second edge point S0(c0,d0) and third marginal point S1(c1,d1), then it is hung
The original dimension of hook opening
4th step passes through the original dimension of third step critical section vertical directionThe initial ruler of critical section horizontal direction
It is very littleAnd the original dimension of suspension hook openingIt converts between the dimension scale of pixel in second step respectively, obtains danger
The final size in dangerous cross section perpendicular directionThe final size of critical section horizontal directionAnd suspension hook opening is most
Whole size
5th step repeats second step to the 4th step to reverse side picture, obtains the final of critical section vertical direction in reverse side picture
The final size of size, the final size of critical section horizontal direction and suspension hook opening；The danger of obverse and reverse is broken again
The final size of the final size of face vertical direction, the final size of critical section horizontal direction and suspension hook opening is averaging
Value, obtains the final average-size of critical section vertical directionThe final average-size of critical section horizontal directionAnd the final average-size of suspension hook opening
6th step uses final average-size every in the 5th step with the deposited suspension hook of database in upper computer control module respectively
Preceding original size is compared, and when meeting one of following situations, then determines that the suspension hook is scrapped:
A, the wear intensity of critical section vertical direction
B, the wear intensity of critical section horizontal direction
C, suspension hook opening degree
Wherein,The original size of preceding critical section vertical direction is used for suspension hook,Preceding critical section is used for suspension hook
The original size of horizontal direction,The original size being open for suspension hook using preceding suspension hook.
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| CN201410714944.5A CN104406491B (en) | 2014-11-28 | 2014-11-28 | Suspension hook based on image recognition technology scraps detection device and its detection method |
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| CN107862712A (en) * | 2017-10-20 | 2018-03-30 | 陈宸 | Sized data determines method, apparatus, storage medium and processor |
| JP6819622B2 (en) * | 2018-01-30 | 2021-01-27 | 新東工業株式会社 | Mold disassembling device and mold disassembling method |
| CN110307795B (en) * | 2019-06-25 | 2021-03-26 | 江苏省特种设备安全监督检验研究院 | Automatic detection method for opening degree of crane hook |
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Application publication date: 20150311 Assignee: WUHAN WANXI INTELLIGENT TECHNOLOGY Co.,Ltd. Assignor: Chen Yongxuan Contract record no.: X2022440000140 Denomination of invention: Hook scrap detection device and detection method based on image recognition technology Granted publication date: 20181211 License type: Common License Record date: 20220913 |