CN115143888A - Measuring system for position change of bearing base - Google Patents
Measuring system for position change of bearing base Download PDFInfo
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- CN115143888A CN115143888A CN202211084641.0A CN202211084641A CN115143888A CN 115143888 A CN115143888 A CN 115143888A CN 202211084641 A CN202211084641 A CN 202211084641A CN 115143888 A CN115143888 A CN 115143888A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
- G01M13/04—Bearings
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
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- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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- G06T5/73—Deblurring; Sharpening
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- G06T7/0002—Inspection of images, e.g. flaw detection
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- G06T7/70—Determining position or orientation of objects or cameras
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- Rolling Contact Bearings (AREA)
Abstract
The invention relates to a system for measuring the position change of a bearing base, which comprises: the roller press shaft structure comprises a rotary shaft body, a shaft sleeve, a first bearing base, a first bearing, a second bearing base, a second bearing and a gland; and the position identification device is used for taking the pixel point at the central position of the first base sprite as a first pixel point, taking the pixel point at the central position of the second base sprite as a second pixel point, taking the pixel point at the central position of the shaft sleeve sprite as a third pixel point and determining whether to send a base dumping detection request or not based on the relative positions of the three pixel points. The measuring system for the position change of the bearing base has a compact structure and is simple and convenient to operate. The roller press shaft structure with the double bearing bases is characterized in that a graphical analysis mechanism is introduced to identify the position subtle changes of the two bearing bases in the roller press shaft structure with the double bearing bases while the roller press shaft structure with the specific structure is introduced to improve the stability, so that the reliability of the roller press shaft structure is enhanced.
Description
Technical Field
The invention relates to the field of bearing bases, in particular to a system for measuring position change of a bearing base.
Background
At present, lack an effectual bearing design mechanism and make the roll squeezer axle structure that the design was obtained can realize the stable control to the rotation axis body, the design pattern stability deviation of single bearing and single bearing base, even the design pattern of some duplex bearings and duplex bearing base appears, under the operation drive of the rotation axis body of long-term high-speed, position deviation can appear in one or whole in the duplex bearing base, and then influence the operating performance of whole roll squeezer axle structure, even micro-position deviation, also can produce great influence to the operating performance of roll squeezer axle structure.
The patent application with publication number CN113804128A discloses a double-bearing hole coaxiality error vision measuring device and a measuring method, wherein the method fits a first axis equation by utilizing a first vision measuring unit to collect end face point cloud data of a first bearing hole; acquiring end surface point cloud data of the second bearing hole by using a second vision measuring unit to fit a second axis equation; and converting the obtained first axis equation and the second axis equation into a unified coordinate system by combining the relative position relationship of the first vision measuring unit and the second vision measuring unit to obtain the coaxiality error evaluation parameter of the double bearing holes. The device comprises a first vision measuring unit and a second vision measuring unit which are used for obtaining end surface point cloud data, a calibration unit which is used for calibrating the relative position relation of the first vision measuring unit and the second vision measuring unit, and a data processing unit which is used for processing to obtain a coaxiality error evaluation parameter. The main problem that solves of this technical scheme is big span dead eye axiality measurement.
Patent application publication No. CN113790216A discloses a pivot duplex bearing support structure, including: a rotating shaft; the ball bearing is sleeved on the rotating shaft; the rolling rod bearing is sleeved on the rotating shaft; the bearing support is provided with a ball bearing support ring and a rolling rod bearing support ring; the ball bearing support ring is sleeved on the ball bearing, is connected to the bearing support and has lower rigidity, and the inner wall of the ball bearing support ring is provided with a convex part; the roller bearing support ring is sleeved on the roller bearing, is connected to the bearing support and has higher rigidity, and the upper part of the roller bearing support ring forms an outer ring of the roller bearing; and the positioning nut is screwed in the ball bearing support ring and is matched with the convex part on the inner wall of the ball bearing support ring to clamp the outer ring of the ball bearing. The main problem of solving of this technical scheme is through adopting elastic support and rigid support to ball bearing and roller bearing respectively to support, lubricates the cooling to the bearing simultaneously, improves the life of bearing.
Patent application with publication number CN112975343A discloses a double-bearing structure mounting apparatus and a double-bearing structure mounting method, which are used for mounting and fixing between a shaft body and a bearing, the mounting apparatus includes a base and a hydraulic system, the shaft body is disposed on the base, the hydraulic system includes a tray and a gland, two bearings are respectively disposed between the tray and the shaft body and between the gland and the shaft body, and the tray and the gland can move towards the shaft body simultaneously. According to the double-bearing-structure mounting equipment and the double-bearing-structure mounting method, the shaft body can be placed on the base of the mounting equipment so as to be supported, and the lifting and hydraulic operation are combined, so that the tray and the gland of the mounting equipment push the two bearings to move towards the direction of the shaft body simultaneously after the two bearings are placed at the two ends of the shaft body, and the two bearings are pressed and fixed. The main problem of solving of this technical scheme is to carry out the bearing installation simultaneously at axle body both ends, need not carry out the upset operation, has saved installation time, labour saving and time saving.
The patent application with publication number CN111473110A discloses a double-bearing bidirectional combined sealing device, when a shaft rotates, an axial static seal is formed between a shaft sleeve and the shaft through an O-shaped rubber sealing ring; radial dynamic seal is formed among the sealing cover, the J-shaped framework oil seal and the shaft sleeve, the sealing cover, the compression J-shaped framework oil seal and the oil seal fixing barrel form end face static seal, and static seal is formed on the end face of the bearing seat through the oil sealing pad. The technical scheme mainly solves the problem of realizing bidirectional combined seal of mutual complementation of dynamic seal and static seal, ensuring that the bearing achieves better sealing effect and prolonging the service life.
Patent application publication No. CN110977409A discloses a tool for press-fitting a double bearing on a gear, comprising: the upper pressure head assembly comprises a pressure head, an upper bearing positioning block and two cylindrical magnetic stripes, wherein the two sides of the upper bearing positioning block are respectively provided with the cylindrical magnetic stripes; the gear positioning seat is used for accommodating a gear, and the lower bearing positioning block is arranged in the gear positioning seat and fixedly connected with the bottom of the gear positioning seat; when the double-bearing press fitting is carried out, the press head is fixed on the press head of the hydraulic press, the gear positioning seat is placed on a platform of the hydraulic press, the first bearing is positioned on the upper press head assembly through the attraction of the cylindrical magnetic stripes on the upper bearing positioning block, and the second bearing is positioned on the lower bearing positioning block through the hole diameter of the inner hole of the second bearing in a limiting mode, so that the first bearing and the second bearing can be pressed into the gear through the hydraulic press at the same time. The main problem of solving of this technical scheme is the work efficiency and the axiality of bearing installation process that promote operating personnel when the installation bearing.
However, the prior art still lacks a reliable roller press shaft structure with dual bearing seats, and also lacks an effective analysis mechanism for accurately identifying the position of the two bearing seats in the roller press shaft structure with dual bearing seats.
Disclosure of Invention
In order to solve the technical problem, the invention provides a system for measuring the position change of a bearing base, on one hand, a roller press shaft structure with a targeted structure comprising a rotating shaft body, a shaft sleeve, a first bearing base, a first bearing, a second bearing base, a second bearing and a pressing cover is introduced to improve the stability of the roller press shaft structure, on the other hand, a graphical analysis mechanism is introduced to accurately identify the position slight changes of two bearing bases in the roller press shaft structure with the double bearing bases, so that the operation stability of the roller press shaft structure is ensured.
According to an aspect of the present invention, there is provided a system for measuring a change in position of a bearing seat, the system comprising:
the roll squeezer shaft structure comprises a rotary shaft body, a shaft sleeve, a first bearing base, a first bearing, a second bearing base, a second bearing and a gland, wherein the tail of the rotary shaft body is arranged in the second bearing, the first bearing base and the second bearing base are identical in size, the second bearing base is used for containing the second bearing, the gland is arranged at the tail of the second bearing base, the top of the rotary shaft body is arranged in the first bearing, the first bearing base is used for containing the first bearing, the middle part between the top and the tail of the rotary shaft body is contained in the shaft sleeve, the first bearing and the second bearing respectively comprise an outer ring, an inner ring and a ball array arranged between the outer ring and the inner ring, and the first bearing base and the second bearing base are bilaterally symmetrical and located on the left side and the right side of the shaft sleeve and have the same horizontal distance to the shaft sleeve.
Here, the technical feature of the present invention is an invention, that is: the roll squeezer structure is introduced to realize stable control of the rotating shaft body, and comprises the rotating shaft body, a shaft sleeve, a first bearing base, a first bearing, a second bearing base, a second bearing and a gland, wherein the tail part of the rotating shaft body is arranged in the second bearing, the first bearing base and the second bearing base are the same in size, the second bearing base is used for accommodating the second bearing, the gland is arranged at the tail part of the second bearing base, the top part of the rotating shaft body is arranged in the first bearing, the first bearing base is used for accommodating the first bearing, the middle part between the top part and the tail part of the rotating shaft body is accommodated in the shaft sleeve, the first bearing and the second bearing both comprise an outer ring, an inner ring and a ball array arranged between the outer ring and the inner ring, and the first bearing base and the second bearing base are bilaterally symmetrically arranged on the left side and the right side of the shaft sleeve and have the same horizontal distance to the shaft sleeve.
The system for measuring the position change of the bearing base further comprises:
the top detection equipment is arranged right above the roller press shaft structure to perform picture detection on the roller press shaft structure so as to acquire and output a corresponding real-time overlook picture;
the multiple optimization equipment is connected with the top detection equipment and is used for sequentially carrying out definition improving action, edge sharpening action and salt and pepper noise removing action on the received real-time overlooking pictures so as to obtain and output corresponding multiple optimization pictures;
the target extraction device is connected with the multiple optimization equipment and used for extracting a first base sub-picture corresponding to a first bearing base in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base in the multiple optimization pictures based on the gray scale value range of the casting materials of the bearing bases, and extracting a shaft sleeve sub-picture corresponding to a shaft sleeve in the multiple optimization pictures based on the gray scale value range of the casting materials of the shaft sleeve;
and the position identification device is connected with the target extraction device and is used for taking the pixel point at the central position of the first base sub-picture as a first pixel point, taking the pixel point at the central position of the second base sub-picture as a second pixel point, taking the pixel point at the central position of the shaft sleeve sub-picture as a third pixel point, and judging whether to send a base dumping detection request or not based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization picture respectively.
Here, the technical features of the present invention introduce another point of innovation, that is: the method comprises the steps of analyzing the distance from two bearing bases which are arranged in bilateral symmetry and have the same size to a shaft sleeve at the central position of a roll press shaft structure which is designed in a targeted mode by adopting a visual detection mechanism, judging the suspected position deviation such as dumping of the two bearing bases in a long-term running state when the distance from the two bearing bases to the shaft sleeve at the central position has visual deviation, and correspondingly triggering a base dumping detection request, thereby effectively maintaining the running stability of the roll press shaft structure.
Preferably, the system further comprises:
the rotating speed measuring equipment is connected with the rotating shaft body and used for measuring the current rotating speed of the rotating shaft body and enabling the top detecting equipment when the current rotating speed of the rotating shaft body is less than or equal to a set rotating speed limit;
the rotating speed measuring equipment is connected with the top detecting equipment through a near field communication link and is further used for forbidding the top detecting equipment when the current rotating speed of the rotating shaft body is larger than the set rotating speed limit.
More preferably, a first near field communication interface is arranged in the rotation speed measuring device, a second near field communication interface is arranged in the top detecting device, and a bidirectional near field communication link is established between the first near field communication interface and the second near field communication interface.
More preferably, the step of determining whether to issue a pedestal dumping detection request based on the first pixel point, the second pixel point, and the third pixel point at three positions in the multiple optimization picture includes: and acquiring the distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring the distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when the difference value between the first distance and the second distance is greater than a set difference value threshold.
More preferably, the step of determining whether to send a pedestal dumping detection request based on the first pixel point, the second pixel point, and the third pixel point at three positions in the multiple optimization picture further includes: and when the difference value between the first distance and the second distance is smaller than or equal to the set difference value threshold, sending a base stability detection signal.
More preferably, the step of obtaining a distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, obtaining a distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when a difference between the first distance and the second distance is greater than a set difference threshold includes: and the first distance and the second distance are both expressed by the number of pixel points.
Even more preferably, the first distance and the second distance are both expressed by the number of pixels includes: the first distance is the total number of pixels traversed on the shortest path from the first pixel to the third pixel in the multiple optimization picture;
wherein, the first distance and the second distance are both expressed by the number of pixels further comprises: and each minimum path unit on each path from the first pixel point to the third pixel point in the multiple optimization picture is the distance between two adjacent pixel points.
Even more preferably, the step of obtaining a distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, obtaining a distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and when a difference between the first distance and the second distance is greater than a set difference threshold, the step of sending a pedestal dumping detection request further includes: and the set difference threshold is represented by pixel points.
More preferably, the extracting a first pedestal sub-frame corresponding to a first bearing pedestal in the multiple optimization frames and a second pedestal sub-frame corresponding to a second bearing pedestal in the multiple optimization frames based on the gray scale value range of the cast material of the bearing pedestal includes: extracting a first base sub-picture corresponding to a first bearing base in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base in the multiple optimization pictures based on a gray scale value range of a stainless steel casting material of the bearing base;
wherein extracting a shaft sleeve sprite corresponding to a shaft sleeve in the multiple optimized pictures based on a gray scale value range of a casting material of the shaft sleeve comprises: and extracting a shaft sleeve sub-picture corresponding to the shaft sleeve in the multiple optimization pictures based on the gray scale value range of the insulator casting material of the shaft sleeve.
More preferably, the multiple optimization device includes a picture entry sub-device, a sharpness improvement sub-device, an edge sharpening sub-device, a noise removal sub-device, and a picture output sub-device, and the picture entry sub-device, the sharpness improvement sub-device, the edge sharpening sub-device, the noise removal sub-device, and the picture output sub-device are sequentially connected;
in the multiple optimization device, the sharpness improvement sub-device is configured to perform sharpness improvement, the edge sharpening sub-device is configured to perform edge sharpening, and the noise removal sub-device is configured to perform salt and pepper noise removal.
The image analysis is closely related to the research content of image processing, computer graphics and the like, and is mutually crossed and overlapped. But image processing mainly studies image transmission, storage, enhancement and restoration; the method for representing the main points, lines, faces and volumes of computer graphics and the method for displaying visual information; the image analysis focuses on the description method for constructing the image, and more, the various images are represented by symbols, rather than the images themselves are operated, and various related knowledge is used for reasoning. At present, image processing has been gradually applied to the field of inspection of bearings and the like. For example, CN114842011A discloses a bearing wear detection method and system based on image processing.
The invention is provided on the basis of the prior art, and the measuring system for the position change of the bearing base has compact structure and simple and convenient operation. The roller press shaft structure with the double bearing bases is characterized in that a graphical analysis mechanism is introduced to identify the position subtle changes of the two bearing bases in the roller press shaft structure with the double bearing bases while the roller press shaft structure with the specific structure is introduced to improve the stability, so that the reliability of the roller press shaft structure is enhanced.
Drawings
Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 1 is a view showing an internal structure of a roll press shaft structure of a system for measuring a position change of a bearing base according to any one embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a system for measuring a change in position of a bearing mount according to embodiment 1 of the present invention.
Fig. 3 is a schematic structural diagram of a system for measuring a change in position of a bearing mount according to embodiment 2 of the present invention.
Description of reference numerals: 1-rotating shaft body; 2-shaft sleeve; 3-a first bearing seat; 4-a first bearing; 5-a second bearing mount; 6-a second bearing; 7-pressing cover.
Detailed Description
An embodiment of the position change measuring system of the bearing base of the present invention will be described in detail with reference to the accompanying drawings.
Fig. 1 is an internal structural view of a roll press shaft structure of a measurement system of a position change of a bearing mount according to any embodiment of the present invention.
As shown in fig. 1, the roll squeezer shaft structure includes a rotary shaft body 1, a shaft sleeve 2, a first bearing base 3, a first bearing 4, a second bearing base 5, a second bearing 6 and a gland 7, and when viewed from the whole, the roll squeezer shaft structure is in a bilateral symmetry structure, the shaft sleeve 2 is at the center of symmetry, and the first bearing base 3 and the second bearing base 5 are the same in size, and the design of the integral bilateral symmetry structure helps the roll squeezer shaft structure to improve the operation stability.
Fig. 2 is a schematic configuration diagram showing a system for measuring a position change of a bearing pedestal according to embodiment 1 of the present invention, the system including:
the roll press shaft structure comprises a rotary shaft body 1, a shaft sleeve 2, a first bearing base 3, a first bearing 4, a second bearing base 5, a second bearing 6 and a gland 7, wherein the tail part of the rotary shaft body 1 is arranged in the second bearing 6, the first bearing base 3 and the second bearing base 5 are the same in size, the second bearing base 5 is used for accommodating the second bearing 6, the gland 7 is arranged at the tail part of the second bearing base 6, the top part of the rotary shaft body 1 is arranged in the first bearing 4, the first bearing base 3 is used for accommodating the first bearing 4, the middle part between the top part and the tail part of the rotary shaft body 1 is accommodated in the shaft sleeve 2, the first bearing 4 and the second bearing 6 respectively comprise an outer ring, an inner ring and a ball array arranged between the outer ring and the inner ring, the first bearing base 3 and the second bearing base 5 are symmetrically arranged at the left side and the right side of the shaft sleeve 2, and the horizontal distances from the first bearing base 3 and the second bearing base 5 to the shaft sleeve 2 are equal;
the top detection equipment is arranged right above the roller press shaft structure to perform picture detection on the roller press shaft structure so as to acquire and output a corresponding real-time overlook picture;
the multiple optimization equipment is connected with the top detection equipment and is used for sequentially carrying out definition improving action, edge sharpening action and salt and pepper noise removing action on the received real-time overlooking pictures so as to obtain and output corresponding multiple optimization pictures;
the target extraction device is connected with the multiple optimization equipment and used for extracting a first base sub-picture corresponding to a first bearing base 3 in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base 5 in the multiple optimization pictures based on the gray scale numerical range of the casting material of the bearing base, and extracting a shaft sleeve sub-picture corresponding to a shaft sleeve 2 in the multiple optimization pictures based on the gray scale numerical range of the casting material of the shaft sleeve 2;
a position discrimination device connected to the target extraction device, for taking a pixel point at a central position of the first pedestal sprite as a first pixel point, taking a pixel point at a central position of the second pedestal sprite as a second pixel point, taking a pixel point at a central position of the sleeve sprite as a third pixel point, and determining whether to issue a pedestal dumping detection request based on the first pixel point, the second pixel point, and the third pixel point at three positions in the multiple optimization frame, respectively;
and the state detection device is respectively connected with the rotating shaft body 1, the shaft sleeve 2, the first bearing base 3, the first bearing 4, the second bearing base 5, the second bearing 6 and the gland 7 and is used for respectively measuring respective state parameters of the rotating shaft body 1, the shaft sleeve 2, the first bearing base 3, the first bearing 4, the second bearing base 5, the second bearing 6 and the gland 7.
Fig. 3 is a schematic configuration diagram showing a system for measuring a position change of a bearing pedestal according to embodiment 2 of the present invention, the system including:
the roll squeezer shaft structure comprises a rotary shaft body 1, a shaft sleeve 2, a first bearing base 3, a first bearing 4, a second bearing base 5, a second bearing 6 and a gland 7, wherein the tail part of the rotary shaft body 1 is arranged in the second bearing 6, the first bearing base 3 and the second bearing base 5 are the same in size, the second bearing base 5 is used for accommodating the second bearing 6, the gland 7 is arranged at the tail part of the second bearing base 5, the top part of the rotary shaft body 1 is arranged in the first bearing 4, the first bearing base 3 is used for accommodating the first bearing 4, the middle part between the top part and the tail part of the rotary shaft body 1 is accommodated in the shaft sleeve 2, the first bearing 4 and the second bearing 6 respectively comprise an outer ring, an inner ring and a ball array arranged between the outer ring and the inner ring, the first bearing base 3 and the second bearing base 5 are symmetrically located on the left side and the right side of the shaft sleeve 2, and the horizontal distances from the first bearing base 3 and the second bearing base 5 to the shaft sleeve 2 are equal;
the top detection equipment is arranged right above the rolling machine shaft structure and used for carrying out picture detection on the rolling machine shaft structure so as to obtain and output a corresponding real-time overlook picture;
the multiple optimization equipment is connected with the top detection equipment and is used for sequentially carrying out definition improving action, edge sharpening action and salt and pepper noise removing action on the received real-time overlooking pictures so as to obtain and output corresponding multiple optimization pictures;
the target extraction device is connected with the multiple optimization equipment and used for extracting a first base sub-picture corresponding to a first bearing base 3 in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base 5 in the multiple optimization pictures based on the gray scale numerical range of the casting material of the bearing base, and extracting a shaft sleeve sub-picture corresponding to a shaft sleeve 2 in the multiple optimization pictures based on the gray scale numerical range of the casting material of the shaft sleeve 2;
a position discrimination device connected to the target extraction device, configured to use a pixel point at a central position of the first base sprite as a first pixel point, use a pixel point at a central position of the second base sprite as a second pixel point, use a pixel point at a central position of the boss sprite as a third pixel point, and determine whether to send a base dump detection request based on the first pixel point, the second pixel point, and the third pixel point at three positions in the multiple optimization frame, respectively;
the rotating speed measuring equipment is connected with the rotating shaft body 1 and used for measuring the current rotating speed of the rotating shaft body 1 and enabling the top detecting equipment when the current rotating speed of the rotating shaft body 1 is less than or equal to a set rotating speed limit;
the state detection device is respectively connected with the rotating shaft body 1, the shaft sleeve 2, the first bearing base 3, the first bearing 4, the second bearing base 5, the second bearing 6 and the gland 7 and is used for respectively measuring respective state parameters of the rotating shaft body 1, the shaft sleeve 2, the first bearing base 3, the first bearing 4, the second bearing base 5, the second bearing 6 and the gland 7;
the rotating speed measuring equipment is connected with the top detecting equipment through a near field communication link and is further used for forbidding the top detecting equipment when the current rotating speed of the rotating shaft body 1 is greater than the set rotating speed limit;
the rotating speed measuring equipment is internally provided with a first near field communication interface, the top detecting equipment is internally provided with a second near field communication interface, and a bidirectional near field communication link is established between the first near field communication interface and the second near field communication interface.
Next, a detailed description will be given of a specific structure of the measurement system for measuring a change in position of the bearing base according to the present invention.
In the system for measuring a position change of a bearing pedestal according to any one of the embodiments of the present invention:
taking the pixel point at the central position of the first base sprite as a first pixel point, taking the pixel point at the central position of the second base sprite as a second pixel point, taking the pixel point at the central position of the shaft sleeve sprite as a third pixel point, and judging whether to send a base dumping detection request or not based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization frame respectively comprises: and acquiring the distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring the distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when the difference value between the first distance and the second distance is greater than a set difference value threshold.
In the system for measuring a change in position of a bearing pedestal according to any one of the embodiments of the present invention:
taking the pixel point at the central position of the first base sprite as a first pixel point, taking the pixel point at the central position of the second base sprite as a second pixel point, taking the pixel point at the central position of the shaft sleeve sprite as a third pixel point, and judging whether to send a base dumping detection request or not based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization frame respectively further comprises: and when the difference value between the first distance and the second distance is smaller than or equal to the set difference value threshold, sending a base stability detection signal.
In the system for measuring a change in position of a bearing pedestal according to any one of the embodiments of the present invention:
acquiring a distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring a distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when a difference value between the first distance and the second distance is greater than a set difference threshold value, wherein the step of sending the pedestal dumping detection request comprises the following steps: the first distance and the second distance are both expressed by the number of pixel points;
wherein, the first distance and the second distance are both expressed by the number of pixels, and the method comprises the following steps: the first distance is the total number of pixels traversed on the shortest path from the first pixel to the third pixel in the multiple optimization picture;
wherein, the first distance and the second distance are both expressed by the number of pixels further comprises: each minimum path unit on each path from the first pixel point to the third pixel point in the multiple optimization picture is the distance between two adjacent pixel points;
wherein, obtaining the distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, obtaining the distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when the difference between the first distance and the second distance is greater than a set difference threshold further comprises: and the set difference threshold is represented by pixel points.
In the system for measuring a position change of a bearing pedestal according to any one of the embodiments of the present invention:
extracting a first pedestal sprite corresponding to a first bearing pedestal 3 in the multiple optimization images and a second pedestal sprite corresponding to a second bearing pedestal 5 in the multiple optimization images based on a gray scale value range of a casting material of the bearing pedestal includes: extracting a first base sub-picture corresponding to a first bearing base 3 in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base 5 in the multiple optimization pictures based on the gray scale numerical range of the stainless steel casting material of the bearing base;
extracting a shaft sleeve sub-picture corresponding to the shaft sleeve 2 in the multiple optimization pictures based on the gray scale value range of the casting material of the shaft sleeve 2 comprises the following steps: and extracting a shaft sleeve sub-picture corresponding to the shaft sleeve 2 in the multiple optimization pictures based on the gray scale value range of the insulator casting material of the shaft sleeve 2.
And a system for measuring a change in position of a bearing mount according to any of the embodiments of the present invention:
the multiple optimization equipment comprises a picture input sub-equipment, a definition improving sub-equipment, an edge sharpening sub-equipment, a noise removing sub-equipment and a picture output sub-equipment, wherein the picture input sub-equipment, the definition improving sub-equipment, the edge sharpening sub-equipment, the noise removing sub-equipment and the picture output sub-equipment are sequentially connected;
in the multiple optimization device, the sharpness improving sub-device is used for executing sharpness improving action, the edge sharpening sub-device is used for executing edge sharpening action, and the noise removing sub-device is used for executing salt and pepper noise removing action.
In addition, in the system for measuring a position change of the bearing base, the step of representing the first distance and the second distance by the number of pixels includes: the second distance is the total number of pixels traversed on the shortest path from the second pixel point to the third pixel point in the multiple optimization picture, and each minimum path unit on each path from the second pixel point to the third pixel point in the multiple optimization picture is the distance between two adjacent pixel points.
While the invention has been described in connection with certain exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims and their equivalents.
Claims (10)
1. A system for measuring a change in position of a bearing mount, the system comprising:
the rolling mill shaft structure comprises a rotating shaft body, a shaft sleeve, a first bearing base, a first bearing, a second bearing base, a second bearing and a gland, wherein the tail part of the rotating shaft body is arranged in the second bearing, the first bearing base and the second bearing base are identical in size, the second bearing base is used for accommodating the second bearing, the gland is arranged at the tail part of the second bearing base, the top part of the rotating shaft body is arranged in the first bearing, the first bearing base is used for accommodating the first bearing, the middle part between the top part and the tail part of the rotating shaft body is accommodated in the shaft sleeve, the first bearing and the second bearing respectively comprise an outer ring, an inner ring and a ball array arranged between the outer ring and the inner ring, and the first bearing base and the second bearing base are bilaterally symmetrically located on the left side and the right side of the shaft sleeve and have the same horizontal distance to the shaft sleeve;
the top detection equipment is arranged right above the roller press shaft structure to perform picture detection on the roller press shaft structure so as to acquire and output a corresponding real-time overlook picture;
the multiple optimization equipment is connected with the top detection equipment and is used for sequentially carrying out definition improving action, edge sharpening action and salt and pepper noise removing action on the received real-time overlooking pictures so as to obtain and output corresponding multiple optimization pictures;
the target extraction device is connected with the multiple optimization equipment and used for extracting a first base sub-picture corresponding to a first bearing base in the multiple optimization pictures and a second base sub-picture corresponding to a second bearing base in the multiple optimization pictures based on the gray scale numerical range of the casting material of the bearing base, and extracting a shaft sleeve sub-picture corresponding to a shaft sleeve in the multiple optimization pictures based on the gray scale numerical range of the casting material of the shaft sleeve;
and the position identification device is connected with the target extraction device and is used for taking the pixel point at the central position of the first base sub-picture as a first pixel point, taking the pixel point at the central position of the second base sub-picture as a second pixel point, taking the pixel point at the central position of the shaft sleeve sub-picture as a third pixel point and judging whether to send a base dumping detection request or not based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization picture respectively.
2. The system for measuring a change in position of a bearing mount of claim 1, further comprising:
the rotating speed measuring equipment is connected with the rotating shaft body and used for measuring the current rotating speed of the rotating shaft body and enabling the top detecting equipment when the current rotating speed of the rotating shaft body is less than or equal to a set rotating speed limit;
the rotating speed measuring equipment is connected with the top detecting equipment through a near field communication link and is further used for forbidding the top detecting equipment when the current rotating speed of the rotating shaft body is larger than the set rotating speed limit.
3. The system of claim 2,
the rotation speed measuring equipment is internally provided with a first near field communication interface, the top detecting equipment is internally provided with a second near field communication interface, and a bidirectional near field communication link is established between the first near field communication interface and the second near field communication interface.
4. A system for measuring a change in position of a bearing mount according to any of claims 1 to 3,
taking the pixel point at the central position of the first base sprite as a first pixel point, taking the pixel point at the central position of the second base sprite as a second pixel point, taking the pixel point at the central position of the sleeve sprite as a third pixel point, and judging whether to send a base dumping detection request based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization frame respectively comprises: and acquiring the distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring the distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when the difference value between the first distance and the second distance is greater than a set difference value threshold.
5. The system of claim 4,
taking the pixel point at the central position of the first pedestal sprite as a first pixel point, taking the pixel point at the central position of the second pedestal sprite as a second pixel point, taking the pixel point at the central position of the shaft sleeve sprite as a third pixel point, and judging whether to send a pedestal dumping detection request or not based on the first pixel point, the second pixel point and the third pixel point at three positions in the multiple optimization frame respectively further comprises: and when the difference value between the first distance and the second distance is smaller than or equal to the set difference value threshold, sending a base stability detection signal.
6. The system of claim 4,
acquiring a distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring a distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when a difference value between the first distance and the second distance is greater than a set difference threshold value, wherein the step of sending the pedestal dumping detection request comprises: and the first distance and the second distance are both expressed by the number of pixel points.
7. The system for measuring a change in position of a bearing mount of claim 6,
the first distance and the second distance are both expressed by the number of pixel points, and the method comprises the following steps: the first distance is the total number of pixels traversed on the shortest path from the first pixel to the third pixel in the multiple optimization picture;
wherein, the first distance and the second distance are both expressed by the number of pixel points and further comprise: and each minimum path unit on each path from the first pixel point to the third pixel point in the multiple optimization picture is the distance between two adjacent pixel points.
8. The system for measuring a change in position of a bearing mount of claim 7,
acquiring a distance from the first pixel point to the third pixel point in the multiple optimization picture as a first distance, acquiring a distance from the second pixel point to the third pixel point in the multiple optimization picture as a second distance, and sending a pedestal dumping detection request when a difference value between the first distance and the second distance is greater than a set difference threshold, further comprising: and the set difference threshold is represented by pixel points.
9. A system for measuring a change in position of a bearing mount according to any of claims 1 to 3,
extracting a first pedestal sprite corresponding to a first bearing pedestal in the multiple optimized frames and a second pedestal sprite corresponding to a second bearing pedestal in the multiple optimized frames based on a gray scale value range of a casting material of the bearing pedestal includes: extracting a first base sub-picture corresponding to a first bearing base in the multiple optimized pictures and a second base sub-picture corresponding to a second bearing base in the multiple optimized pictures based on the gray scale value range of the stainless steel casting material of the bearing base;
wherein, extracting the shaft sleeve sub-picture corresponding to the shaft sleeve in the multiple optimization pictures based on the gray scale value range of the casting material of the shaft sleeve comprises: and extracting a shaft sleeve sub-picture corresponding to the shaft sleeve in the multiple optimization pictures based on the gray scale value range of the insulator casting material of the shaft sleeve.
10. A system for measuring a change in position of a bearing mount according to any of claims 1 to 3,
the multiple optimization equipment comprises picture input sub-equipment, definition improving sub-equipment, edge sharpening sub-equipment, noise removing sub-equipment and picture output sub-equipment, wherein the picture input sub-equipment, the definition improving sub-equipment, the edge sharpening sub-equipment, the noise removing sub-equipment and the picture output sub-equipment are connected in sequence;
in the multiple optimization device, the sharpness improving sub-device is used for executing sharpness improving action, the edge sharpening sub-device is used for executing edge sharpening action, and the noise removing sub-device is used for executing salt and pepper noise removing action.
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