CN210773892U - Intelligent measuring device for iron accessory size - Google Patents

Intelligent measuring device for iron accessory size Download PDF

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Publication number
CN210773892U
CN210773892U CN201921540690.4U CN201921540690U CN210773892U CN 210773892 U CN210773892 U CN 210773892U CN 201921540690 U CN201921540690 U CN 201921540690U CN 210773892 U CN210773892 U CN 210773892U
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China
Prior art keywords
measuring
iron
measuring device
intelligent
slide rail
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Inventor
吴明孝
付刚
王吉
李雪桓
周少珍
杨涛
王震宇
杨威
赵书杰
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
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State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Henan Electric Power Co Ltd
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Abstract

The utility model discloses an intelligent measuring device for the size of an iron accessory, which comprises a measuring table, a measuring reference table, a standard calibration block, a slide rail, a binocular camera and a plurality of measuring clamping hands, wherein the measuring reference table is arranged above the measuring table, the standard calibration block is arranged at one end of the measuring reference table, the slide rail is arranged on the end part of the measuring reference table through a bearing, and the binocular camera is arranged on the slide rail through a steering slide block; the plurality of measuring clamping hands are arranged on the side surface of the measuring reference platform and are uniformly arranged in the length direction of the measuring reference platform. The device can realize one-stop measurement of all characteristic dimensions on angle steel, channel-section steel and band steel, including length, width, thickness, round hole diameter, round hole relative position etc. compact structure is reasonable, easy operation is swift.

Description

Intelligent measuring device for iron accessory size
Technical Field
The utility model relates to a measuring device especially relates to an iron accessory size intelligent measuring device.
Background
The size detection is the most conventional detection item in quality detection of electric iron accessories and materials, and is mainly used for measuring various characteristic sizes of the iron accessories, including the length, the edge thickness and the edge width of angle steel, the waist height, the leg width and the waist thickness of channel steel, the length, the width and the thickness of flat steel and the sizes and relative positions of round holes in all the iron accessories, so as to determine whether the size of the iron accessories meets the standard and the use requirement or not and whether the iron accessories can be correctly assembled or not. The complete equipment accessory box of the distribution transformer platform comprises 13 iron accessories, and the characteristic size of the iron accessories is generally manually measured by using a vernier caliper, a micrometer screw, a steel tape and the like at present. Because the shapes of the iron accessories are different, the measuring position needs to be continuously adjusted in the manual measuring process, the measuring efficiency is low, the human error is large, and the precision is difficult to ensure. In order to efficiently and high-quality complete the mass detection of the iron accessories, a device capable of automatically completing the detection of all the characteristic sizes is needed.
Chinese patent application No. CN 201721440969.6 discloses a novel intelligent round hole inner diameter measuring device. During measurement, the hole positioner can position the position of the round hole, so that the measuring head is moved to be aligned with the round hole. Then, the measuring head moves into the hole, and the telescopic measurer on the measuring head extends to abut against the hole wall and rotates. And the CPU processor transmits the data measured by rotation to the computer, and calculates the diameter of the circular hole according to the rotation time, the speed and the rotation distance.
Chinese patent application No. CN 201810798073.8 discloses a round hole diameter vision measurement method, which comprises the following steps: adjusting industrial camera parameters, carrying out image acquisition on a round hole object to be measured with a known diameter, obtaining the sub-pixel round hole diameter of the round hole object to be measured with the known diameter by adopting a round hole diameter measurement method, and calculating the object image proportion coefficient of a test image; when an object to be measured is calculated, an image of the object to be measured is obtained through the industrial camera, the sub-pixel circular hole diameter of the object to be measured is obtained by using an image circular hole diameter measuring method, and the real circular hole diameter of the object to be measured is obtained through the object image proportion coefficient.
Chinese patent application No. CN201820960511.1 discloses a product measuring device based on machine vision, which comprises a base, a conveying device, a machine vision dimension measuring system, a pushing system and an industrial control host. Machine vision dimension measurement system looks up machine vision dimension measurement system and looks sideways at machine vision dimension measurement system including, looks up machine vision dimension measurement system through setting up and can detect the positive size of work piece, looks sideways at machine vision dimension measurement system through setting up and can detect work piece side size.
The above patents CN 201721440969.6 and CN 201810798073.8 measure the diameter of the round hole by contact and non-contact methods, respectively, and can realize the measurement of the diameter of a single round hole on a single sample, but the measurement of the characteristic dimensions of multiple round holes and non-round holes of a single sample is not involved. The patent CN201820960511.1 can simultaneously detect the front and side sizes of a workpiece, but is only used for the size detection of small-size regular samples. For the samples with various forms and various characteristic sizes of iron accessories, the measurement time is long, and the patent is difficult to be used for large-scale measurement work in the detection of electrical equipment.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies of the existing iron attachment size detection method, the utility model aims to provide an iron attachment size intelligent measuring device. The device can realize one-stop measurement of all characteristic dimensions on angle steel, channel-section steel and band steel, including length, width, thickness, round hole diameter, round hole relative position etc. compact structure is reasonable, easy operation is swift.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an iron accessory size intelligent measuring device, includes measuring station, measurement reference platform, standard calibration piece, slide rail, two mesh cameras, a plurality of measurement card hands, its characterized in that:
the measuring reference table is arranged above the measuring table, the standard calibration block is arranged at one end of the measuring reference table, the slide rail is installed on the end part of the measuring reference table through a bearing, and the binocular camera is installed on the slide rail through a steering slide block; the plurality of measuring clamping hands are arranged on the side surface of the measuring reference platform and are uniformly arranged in the length direction of the measuring reference platform.
Furthermore, the intelligent measuring device for the size of the iron attachment further comprises a computer, wherein the computer is connected with the binocular camera and the measuring clamp and is provided with a control system and a processing system.
Further, a rack is arranged below the measuring table.
Furthermore, three electromagnets are uniformly assembled in the length direction of the measuring reference table and used for fixing the iron accessories and calibrating the zero thickness of the iron accessories.
Further, the measuring reference platform is a boss with the length of 3000mm, the width of 95mm and the height of 75 mm.
Further, the measuring reference table is driven by a motor to move along the width direction and is used for adjusting the relative position of the iron accessory and the camera.
Furthermore, the binocular camera comprises two identical cameras, the two cameras are mounted at the lower end of the same steering sliding block, and the steering sliding block is used for adjusting the relative positions of the cameras and the iron accessories.
Furthermore, the included angle between the slide rail and the plane of the measuring table is changed by the driving of a motor, so that the rotation within the range from 0 degree to 180 degrees is realized, and the included angle is used for shooting images of different surfaces of the iron accessory.
Further, the steering sliding block is driven by a motor to move on the sliding rail.
Furthermore, the number of the measuring clamping hands is 4, the measuring clamping hands are pressed on the upper surface of the iron accessory with 5N of force during measurement, and the thickness of the iron accessory is measured by matching with the measuring reference table.
The utility model discloses can all size information of band steel, angle steel, channel-section steel form iron attachment in the automatic measure annex case, reduce artifical repeatability and work, practice thrift the manpower.
Compared with the prior art, the utility model, its beneficial effect does:
the sliding rail arranged on the measuring table through the bearing can be driven by a motor to change the included angle between the plane of the sliding rail and the plane of the measuring table, so that the rotation in the range from 0 to 180 degrees is realized, and the sliding rail is used for shooting images of the upper surface and the side surface of a sample. The camera arranged on the sliding rail through the steering sliding block can be driven by the motor to move along the sliding rail, and the shot image can cover the whole length direction of the iron accessory; the measuring reference table can be driven by a motor to move along the width direction, and the shot image can cover the whole width direction of the iron accessories. The thickness of the iron accessory can be directly measured by measuring the movement of the clamping hand in the vertical direction. The whole measurement process is automatically completed, and one-stop measurement of all characteristic dimensions of angle steel, channel steel and flat steel can be realized.
Drawings
Fig. 1 is a schematic front view of the present invention, wherein a camera is located directly above a measuring table;
FIG. 2 is a top view of FIG. 1 with the camera located to the side of the measurement table;
wherein, 1, a measuring table; 2. a measurement reference table; 3. a frame; 4. a standard calibration block; 5. an electromagnet; 6. measuring the clamping hand; 7. a slide rail; 8. a binocular camera; 9. a steering slider; 10. and (4) a computer.
Detailed Description
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
the utility model provides an iron accessory size intelligent measuring device, includes that measuring table 1, measurement reference platform 2, standard mark piece 4, slide rail 7, binocular camera 8, a plurality of measurement card hand 6, its characterized in that:
the measuring reference table 2 is arranged above the measuring table 1, the standard calibration block 4 is arranged at one end of the measuring reference table 2, the slide rail 7 is arranged on the end part of the measuring reference table 2 through a bearing, and the binocular camera 8 is arranged on the slide rail 7 through a steering slide block 9; the plurality of measuring clamping hands 6 are arranged on the side surface of the measuring reference platform 2 and are uniformly arranged in the length direction of the measuring reference platform 2.
The intelligent iron accessory size measuring device further comprises a computer 10, wherein the computer is connected with the binocular camera and the measuring clamp and is provided with a control system and a processing system.
And a frame 3 is arranged below the measuring table 1.
And three electromagnets 5 are uniformly assembled on the measuring reference table 2 in the length direction and are used for fixing iron accessories and calibrating the zero point of the thickness of the iron accessories.
The measuring reference platform 2 is a boss with the length of 3000mm, the width of 95mm and the height of 75 mm.
The measuring reference table 2 is driven by a motor to move along the width direction and is used for adjusting the relative position of the iron accessories and the camera.
The binocular camera 8 comprises two identical cameras, the two cameras are mounted at the lower end of the same steering sliding block, and the steering sliding block 9 is used for adjusting the relative positions of the cameras and the iron accessories.
The included angle between the slide rail 7 and the plane of the measuring table 1 is changed by the driving of a motor, so that the rotation in the range from 0 degree to 180 degrees is realized, and the rotation is used for shooting images of different surfaces of the iron accessories.
The steering slide block 9 is driven by a motor to move on the slide rail 7.
The number of the measuring clamping hands 6 is 4, the measuring clamping hands are pressed on the upper surface of the iron accessory with 5N force during measurement, and the measuring clamping hands are matched with a measuring reference table to measure the thickness of the iron accessory.
The measuring clamping hand comprises a clamping hand and a fixed clamping groove, and the clamping hand can move in the fixed clamping groove along the vertical direction. During measurement, the iron accessory is placed on the measuring reference table and is adsorbed and fixed through the electromagnet, and the clamping hand is driven by the motor, moves downwards along the fixed clamping groove and presses on the iron accessory. The clamping hand is provided with a pressure sensing device, and when the pressure between the clamping hand and the iron accessory reaches 5N, the clamping hand stops moving. And measuring and recording the distance from the measuring reference platform to the clamping hand, namely obtaining the thickness of the iron accessory.
The dimensions of the standard calibration block 4 are known. In the measurement, an image of the standard calibration block 4 is first photographed, and the size thereof is collated with the photographed image pixel, completing the scale calibration.
The dimension measurement system of the computer 10 is based on OpenCV software, and after image shooting is completed, dimension measurement of a shot image can be automatically completed according to a calibrated scale.
While the embodiments of the present invention have been illustrated and described in detail in the drawings attached to the specification, it will be understood by those skilled in the art that the above embodiments are only preferred embodiments of the present invention, and the detailed description is only for the purpose of helping the reader to better understand the spirit of the present invention, and not for the limitation of the protection scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides an iron accessory size intelligent measuring device, includes measuring station, measurement reference platform, standard calibration piece, slide rail, two mesh cameras, a plurality of measurement card hands, its characterized in that:
the measuring reference table is arranged above the measuring table, the standard calibration block is arranged at one end of the measuring reference table, the slide rail is installed on the end part of the measuring reference table through a bearing, and the binocular camera is installed on the slide rail through a steering slide block; the plurality of measuring clamping hands are arranged on the side surface of the measuring reference platform and are uniformly arranged in the length direction of the measuring reference platform.
2. The intelligent iron attachment dimension measuring device of claim 1, wherein: the intelligent iron accessory size measuring device further comprises a computer, wherein the computer is connected with the binocular camera and the measuring clamp and is provided with a control system and a processing system.
3. The intelligent iron attachment dimension measuring device of claim 1, wherein: and a rack is arranged below the measuring table.
4. The intelligent iron attachment dimension measuring device of claim 1, wherein: and three electromagnets are uniformly assembled in the length direction of the measuring reference table and used for fixing the iron accessories and calibrating the zero point of the thickness of the iron accessories.
5. The intelligent iron attachment dimension measuring device of claim 1, wherein: the measuring reference platform is a boss with the length of 3000mm, the width of 95mm and the height of 75 mm.
6. The intelligent iron attachment dimension measuring device of claim 1, wherein: the measuring reference table is driven by a motor to move along the width direction and is used for adjusting the relative position of the iron accessory and the camera.
7. The intelligent iron attachment dimension measuring device of claim 1, wherein: the binocular camera comprises two identical cameras, the two cameras are mounted at the lower end of the same steering sliding block, and the steering sliding block is used for adjusting the relative positions of the cameras and the iron accessories.
8. The intelligent iron attachment dimension measuring device of claim 1, wherein: the included angle between the slide rail and the plane of the measuring table is changed by the driving of a motor, so that the rotation within the range from 0 degree to 180 degrees is realized, and the slide rail is used for shooting images of different surfaces of the iron accessory.
9. The intelligent iron attachment dimension measuring device of claim 1, wherein: the steering sliding block is driven by a motor to move on the sliding rail.
10. The intelligent iron attachment dimension measuring device of claim 1, wherein: the number of the measuring clamping hands is 4, the measuring clamping hands are pressed on the upper surface of the iron accessory with 5N force during measurement, and the measuring clamping hands are matched with a measuring reference table to measure the thickness of the iron accessory.
CN201921540690.4U 2019-09-17 2019-09-17 Intelligent measuring device for iron accessory size Active CN210773892U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921540690.4U CN210773892U (en) 2019-09-17 2019-09-17 Intelligent measuring device for iron accessory size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921540690.4U CN210773892U (en) 2019-09-17 2019-09-17 Intelligent measuring device for iron accessory size

Publications (1)

Publication Number Publication Date
CN210773892U true CN210773892U (en) 2020-06-16

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Application Number Title Priority Date Filing Date
CN201921540690.4U Active CN210773892U (en) 2019-09-17 2019-09-17 Intelligent measuring device for iron accessory size

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CN (1) CN210773892U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440694A (en) * 2019-09-17 2019-11-12 国网河南省电力公司电力科学研究院 A kind of iron fitting size intelligent device for measuring

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110440694A (en) * 2019-09-17 2019-11-12 国网河南省电力公司电力科学研究院 A kind of iron fitting size intelligent device for measuring

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