CN110849275A - Cylinder cover valve height detection method with infrared scanning function and control system - Google Patents
Cylinder cover valve height detection method with infrared scanning function and control system Download PDFInfo
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- CN110849275A CN110849275A CN201911169597.1A CN201911169597A CN110849275A CN 110849275 A CN110849275 A CN 110849275A CN 201911169597 A CN201911169597 A CN 201911169597A CN 110849275 A CN110849275 A CN 110849275A
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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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
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Abstract
The invention discloses a cylinder cover valve height detection method with infrared scanning, relates to the technical field of engine cylinder cover detection, and solves the technical problems of inaccurate valve height measurement and large error in the prior art. The method comprises the following steps: moving a cylinder cover assembled with a valve to a detection area, and detecting the valve on the cylinder cover to obtain a detection result; and comparing the detection result with a set parameter to obtain a comparison result, and processing the cylinder cover according to the comparison result. The invention also discloses a cylinder cover valve height detection control system with the infrared scanning function. The invention effectively improves the measurement precision of the height of the air valve, has small measurement error, greatly lightens the labor intensity of assembly personnel and effectively improves the safe operation coefficient of equipment.
Description
Technical Field
The invention relates to the technical field of engine cylinder cover detection, in particular to a cylinder cover valve height detection method with infrared scanning and a control system.
Background
The assembly of the cylinder cover of the large-scale engine is completed on a production line in a circulating manner, and when the valve of the cylinder cover is installed, the conventional method is that the cylinder cover is hooked by a hoisting device to turn over up and down, and then the valve is installed manually. After the valve is installed, the height of the valve needs to be measured, and the measurement of the height of the valve is also manually performed at present. Accurate data are difficult to measure by manual measurement, and errors among the measured data are large; when the height of the valve is measured, if the valve is not operated properly, the valve is easy to fall into a cylinder cover body, and further, the problems of inaccurate measured data and large front-back error are caused. In addition, in the measuring process, the condition that the valve mounting position is inaccurate is not easy to find in time, even the phenomenon of neglected installation and wrong installation still exists, the hidden danger of product quality is large due to the phenomena, if the phenomenon is not found and processed in time, a series of quality accidents can be caused, and the production efficiency is greatly reduced.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and aims to provide a cylinder cover valve height detection method with infrared scanning, which is accurate in valve height measurement and small in error.
The invention also aims to provide a cylinder cover valve height detection control system with infrared scanning, which is accurate in valve height measurement and small in error.
In order to achieve the first purpose, the invention provides a cylinder cover valve height detection method with infrared scanning, which comprises the following steps:
the method comprises the following steps: moving the cylinder cover with the valve to a detection area, and detecting the valve on the cylinder cover to obtain a detection result;
step two: and comparing the detection result with a set parameter to obtain a comparison result, and processing the cylinder cover according to the comparison result.
Make further improvement, handle the cylinder cap according to the comparison result, include:
resetting the cylinder cover when the comparison result meets the requirement, and finishing the detection;
and reporting that the comparison result is not satisfactory, moving the cylinder cover to an assembly area, adjusting the valve according to the comparison result, and repeating the first step and the second step until the comparison result is satisfactory.
Further, the reporting that the comparison result is not satisfactory includes: and displaying wrong data in the comparison result.
Further, the method specifically comprises the following steps:
s1, conveying the cylinder cover to a preset station, lifting the cylinder cover to an assembly area, and meanwhile turning the cylinder cover clockwise to enable the position of the cylinder cover to be convenient for assembling the valve, and assembling the valve on the cylinder cover;
s2, after the assembly is confirmed, the cylinder cover provided with the valve is turned clockwise to a set position, so that the valve is detected, and the cylinder cover is lifted to a detection area;
s3, detecting the height of the valve through an infrared scanner, comparing the detection result with set parameters through a monitoring device, and processing the cylinder cover according to the comparison result;
s4, when the comparison result meets the requirement, turning the cylinder cover to the initial position anticlockwise, lowering the cylinder cover to a preset station, and finishing detection;
and when the comparison result does not meet the requirement, displaying wrong data in the comparison result by the monitoring device, moving the cylinder cover to the assembly area for adjustment, and repeating the steps from S1 to S3 until the comparison result meets the requirement.
In order to achieve the second purpose, the invention provides a cylinder cover valve height detection control system with infrared scanning, which comprises a roller way belt, a lifting mechanism and a cross beam, wherein the lifting mechanism is arranged on the cross beam, the roller way belt is positioned below the lifting mechanism, the cylinder cover valve height detection control system also comprises a detection device and a monitoring device, the detection device is positioned on one side of the lifting mechanism, and the detection device is electrically connected with the detection device; the detection device comprises a plurality of infrared scanners, the infrared scanners penetrate through the cross beam and are mounted on the cross beam, and the infrared scanners are electrically connected with the monitoring device.
In a further improvement, the detection device comprises three infrared scanners, and the infrared scanners are equidistantly arranged on the cross beam.
Further, the infrared scanner is installed on the cross beam through the installation frame, a protection box body penetrating through the cross beam is further arranged on the installation frame, and the scanning end of the infrared scanner is located in the protection box body.
Furthermore, the installation frame and the protection box body are of an integrated structure.
Furthermore, the monitoring device comprises a PLC and an HMI panel, the PLC is electrically connected with the infrared scanner, and the PLC is also electrically connected with the HMI panel.
Furthermore, a bearing device is arranged between the cylinder cover and the roller way belt.
Advantageous effects
The invention has the advantages that: the cylinder cover provided with the valve is lifted to the detection area through the lifting mechanism, the height of the valve is automatically detected through the detection device, and the automatic detection of the valve is realized through the analysis and the processing of the detection result through the monitoring device. The invention has high measurement precision and small error for the height of the air valve, effectively solves the problems of inaccurate measurement data and large front-back error caused by manual measurement of the height of the air valve, greatly lightens the labor intensity of assembly personnel and effectively improves the safe operation coefficient of equipment.
Drawings
FIG. 1 is a block diagram of the operational flow of the present invention
FIG. 2 is a schematic structural view of the present invention;
fig. 3 is a schematic view of the mounting frame structure of the present invention.
Wherein: 1-cylinder cover, 2-air valve, 3-infrared scanner, 4-roller belt, 5-lifting mechanism, 6-bearing tray, 7-cross beam, 8-mounting frame and 9-protective box body.
Detailed Description
The invention is further described below with reference to examples, but not to be construed as being limited thereto, and any number of modifications which can be made by anyone within the scope of the claims are also within the scope of the claims.
The invention discloses a cylinder cover valve height detection method with infrared scanning, which comprises the following steps:
the method comprises the following steps: the cylinder cover 1 equipped with the valve 2 is moved to a detection area, and the valve 2 on the cylinder cover 1 is detected to obtain a detection result. Specifically, the height of the valve 2 on the cylinder head 1 is detected by a detection device to obtain a detection result. Wherein, detection device is infrared scanner 3, detects the height of valve 2 through infrared scanner 3. In order to effectively detect the height of the valve 2, the valve 2 needs to be perpendicular to the scanning end of the infrared scanner 3, so when the cylinder head 1 is at the set position in the embodiment, the valve 2 is perpendicular to the scanning end of the infrared scanner 3. The height of the air valve 2 is automatically detected through the infrared scanner 3, the problems existing in the prior art due to manual detection are effectively solved, and the labor intensity of assembly personnel is reduced.
Step two: and comparing the detection result with the set parameters to obtain a comparison result, and processing the cylinder cover 1 according to the comparison result. In this step, the cylinder head 1 is processed according to the comparison result, including the processing that the comparison result meets the requirements and the comparison result does not meet the requirements. Wherein, the contrast result meets the requirements, namely the detection result is consistent with the set parameters, the cylinder cover 1 is reset, and the detection is finished. And if the comparison result does not meet the requirement, namely the detection result is inconsistent with the set parameters, reporting that the comparison result does not meet the requirement. In this embodiment, the report that the comparison result does not meet the requirement is specifically to display wrong data in the comparison result, so that the assembly staff can adjust the valve 2 according to the data, and meanwhile, an error report signal is also sent to remind the assembly staff. The cylinder head 1 is moved to the assembly area and the valve 2 is adjusted according to the comparison result, i.e. the valve 2 is adjusted according to the displayed erroneous data. In this embodiment, the assembly area is located below the detection area, the assembly of the valve 2 is performed in the assembly area, and the detection of the valve 2 is performed in the detection area. And after the adjustment is finished, repeating the first step and the second step until the comparison result meets the requirement. The detection result detected by the infrared scanner 3 is compared with the set parameters, so that the detection of the height of the valve 2 is more accurate, the detection error is small, and the reliability of the detection data is greatly improved.
Referring to fig. 1, the method for detecting the height of the valve 2 specifically includes:
s1, conveying the cylinder cover 1 to a preset station, lifting the cylinder cover 1 to an assembly area, and meanwhile turning the cylinder cover 1 clockwise to enable the position of the cylinder cover 1 to be convenient for assembling the valve 2, and assembling the valve 2 on the cylinder cover 1;
s2, after the assembly is confirmed, the cylinder cover 1 provided with the valve 2 is turned clockwise and reaches a set position, so that the valve 2 is detected, and the cylinder cover 1 is lifted to a detection area;
s3, detecting the height of the valve 2 through the infrared scanner 3, comparing the detection result with the set parameters through the monitoring device, and processing the cylinder cover 1 according to the comparison result;
s4, when the comparison result meets the requirement, turning the cylinder cover 1 to the initial position anticlockwise, lowering the cylinder cover 1 to a preset station, and finishing detection;
and when the comparison result does not meet the requirement, displaying wrong data in the comparison result by the monitoring device, moving the cylinder cover 1 to the assembly area for adjustment, and repeating the steps from S1 to S3 after the adjustment is finished until the comparison result meets the requirement.
Referring to fig. 2, the cylinder head valve height detection control system with the infrared scanning function comprises a roller belt 4, a lifting mechanism 5 and a cross beam 7. The lifting mechanism 5 is arranged on the cross beam 7, and the roller way belt 4 is positioned below the lifting mechanism 5. Wherein the roller belt 4 is used for conveying the cylinder head 1. In this embodiment, a bearing device is arranged between the cylinder cover 1 and the roller belt 4. The bearing device is a bearing tray 6 and is used for supporting the cylinder cover 1 and preventing the cylinder cover 1 or the roller way belt 4 from being damaged due to direct contact of the cylinder cover 1 and the roller way belt 4. In addition, the control system positions the cylinder cover 1 at a preset station through positioning the bearing tray 6. The lifting mechanism 5 is used for lifting or overturning the cylinder cover 1, so that the cylinder cover 1 enters an assembly area or a detection area. Specifically, the cylinder cover 1 is conveyed to a preset station by the roller belt 4, the lifting mechanism 5 hooks the cylinder cover 1 and lifts the cylinder cover 1 to an assembly area, and meanwhile, the cylinder cover 1 is turned over for an angle, so that an assembly worker can assemble the valve 2.
The control system further comprises a detection device and a monitoring device, wherein the detection device is positioned on one side of the lifting mechanism 5 and is electrically connected with the detection device. The detection device is used for detecting the height of the valve 2, the monitoring device is used for receiving the detection result sent by the detection device, comparing the detection result with the set parameters to obtain a comparison result, and timely reporting and displaying when the comparison result is not in accordance with the requirement. Specifically, detection device includes a plurality of infrared scanner 3, and infrared scanner 3 runs through crossbeam 7, and installs on crossbeam 7, and infrared scanner 3 and monitoring device electrical connection. In this embodiment, the detection device includes three infrared scanners 3, and the infrared scanners 3 are equidistantly mounted on the cross beam 7. The infrared scanners 3 installed at three equal intervals detect the height of the valve 2, so that the condition of a detection blind area during scanning detection is avoided, and the height detection of the valve 2 is more effective and reliable. Referring to fig. 3, in a further modification, the infrared scanner 3 is mounted on the cross beam 7 through a mounting frame 8, a protective box 9 penetrating the cross beam 7 is further disposed on the mounting frame 8, and a scanning end of the infrared scanner 3 is located in the protective box 9. Specifically, being equipped with a logical groove on crossbeam 7, when installation infrared scanner 3, installing infrared scanner 3 on installation frame 8 earlier to make infrared scanner 3's scanning end be located the protection box 9 of installation frame 8 below, then will be located the protection box of installation frame 8 below and insert logical inslot, and with install frame 8 fix on crossbeam 7 can. Due to the complex structure of the control system for assembling the valve 2, if the infrared scanners 3 are installed on the cross beam 7 one by one, the infrared scanners are difficult to disassemble and assemble during maintenance, so that the efficiency is low. Install all infrared scanner 3 through installing frame 8 and integrate, avoided installing or dismantling the trouble that infrared scanner 3 brought one by one on control system for it is more swift to its maintenance. Wherein, the up end and the lower terminal surface of protection box 9 are through structure, make infrared scanner 3 effectual highly to valve 2 inspect, still can protect infrared scanner 3 simultaneously. Installation frame 8 and protection box 9 formula structure as an organic whole make protection box 9 more firm durable.
The monitoring device comprises a PLC controller and an HMI panel. The PLC controller is electrically connected with the infrared scanner 3 and is also electrically connected with the HMI panel. The PLC is used for receiving the detection result sent by the infrared scanner 3 and comparing the detection result with the set parameters to obtain a comparison result; the HMI panel is used for displaying a comparison result, displaying wrong data in the comparison result when the comparison result is not in accordance with requirements, and simultaneously sending out an alarm signal to remind an assembling person. In addition, the working mode of the control system can be selected to be a manual mode or a debugging mode through the HMI panel of the embodiment, so that the cylinder cover 1 can be better controlled and operated.
The working principle of the control system is as follows: the control system is started, and the roller belt 4 conveys the cylinder cover 1 to a preset station. The lifting mechanism 5 acts and hooks the cylinder cover 1, and the cylinder cover 1 is lifted to an assembly area; the lifting mechanism 5 turns the cylinder head 1 clockwise so that the position of the cylinder head 1 facilitates the assembly of the valve 2. The assembly personnel assemble the valve 2, and after the completion of the assembly is confirmed, the lifting mechanism 5 turns over the cylinder cover 1 clockwise; the lifting mechanism 5 lifts the cylinder head 1 to the detection area. And starting the infrared scanner 3 to measure the height of the valve 2, sending a detection result obtained by scanning to the PLC, and comparing the detection result with a set parameter by the PLC to obtain a comparison result.
When the contrast result meets the requirements, the lifting mechanism 5 overturns the cylinder cover 1 anticlockwise, so that the cylinder cover 1 overturns to the initial angle, then the cylinder cover 1 descends to the bearing tray 6, the cylinder cover 1 is placed on the bearing tray 6, the lifting mechanism 5 is separated from the cylinder cover 1, the lifting mechanism 5, the PLC and the HMI panel of the control system automatically reset, and the detection is finished.
When the comparison result is not in accordance with the requirements, the HMI panel displays wrong data in the comparison result, and simultaneously sends an error reporting signal, and the cylinder cover 1 is moved to an assembly area through a manual or debugging mode on the HMI panel, and an assembly worker adjusts the air valve 2 according to the displayed wrong data. And after the adjustment is finished, repeating the steps of detection, detection result comparison and the like until the comparison result meets the requirement.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (10)
1. A cylinder cover valve height detection method with infrared scanning is characterized by comprising the following steps:
the method comprises the following steps: moving a cylinder cover (1) assembled with a valve (2) to a detection area, and detecting the valve (2) on the cylinder cover (1) to obtain a detection result;
step two: and comparing the detection result with the set parameters to obtain a comparison result, and processing the cylinder cover (1) according to the comparison result.
2. The method for detecting the height of the valve of the cylinder cover with the infrared scanning function according to the claim 1, wherein the step of processing the cylinder cover (1) according to the comparison result comprises the following steps:
resetting the cylinder cover (1) when the comparison result meets the requirement, and finishing the detection;
and reporting that the comparison result is not satisfactory, moving the cylinder cover (1) to an assembly area, adjusting the valve (2) according to the comparison result, and repeating the first step and the second step until the comparison result is satisfactory.
3. The method for detecting the height of the cylinder cover valve with the infrared scanning function according to claim 2, wherein the report comparison result is not satisfactory, and comprises the following steps: and displaying wrong data in the comparison result.
4. The method for detecting the height of the cylinder cover valve with the infrared scanning function according to claim 3, is characterized by comprising the following steps:
s1, conveying the cylinder cover (1) to a preset station, lifting the cylinder cover (1) to an assembly area, and meanwhile turning the cylinder cover (1) clockwise to enable the position of the cylinder cover (1) to be convenient for assembling the valve (2), and assembling the valve (2) on the cylinder cover (1);
s2, after the assembly is confirmed, the cylinder cover (1) provided with the valve (2) is turned clockwise to a set position, so that the valve (2) is detected, and the cylinder cover (1) is lifted to a detection area;
s3, detecting the height of the valve (2) through an infrared scanner (3), comparing the detection result with a set parameter through a monitoring device, and processing the cylinder cover (1) according to the comparison result;
s4, when the comparison result meets the requirement, turning the cylinder cover (1) to an initial position anticlockwise, descending the cylinder cover (1) to a preset station, and finishing detection;
and when the comparison result does not meet the requirement, displaying wrong data in the comparison result by the monitoring device, moving the cylinder cover (1) to an assembly area for adjustment, and repeating the steps of S1-S3 until the comparison result meets the requirement.
5. A cylinder cover valve height detection control system with infrared scanning comprises a roller way belt (4), a lifting mechanism (5) and a cross beam (7), wherein the lifting mechanism (5) is installed on the cross beam (7), the roller way belt (4) is located below the lifting mechanism (5), the cylinder cover valve height detection control system is characterized by further comprising a detection device and a monitoring device, the detection device is located on one side of the lifting mechanism (5), and the detection device is electrically connected with the detection device; the detection device comprises a plurality of infrared scanners (3), the infrared scanners (3) penetrate through the cross beam (7) and are mounted on the cross beam (7), and the infrared scanners (3) are electrically connected with the monitoring device.
6. The cylinder head valve height detection control system with infrared scanning according to claim 5, characterized in that the detection device comprises three infrared scanners (3), and the infrared scanners (3) are equidistantly mounted on the cross beam (7).
7. The cylinder cover valve height detection control system with the infrared scanning function according to claim 5 or 6, wherein the infrared scanner (3) is installed on the cross beam (7) through an installation frame (8), a protection box (9) penetrating through the cross beam (7) is further arranged below the installation frame (8), and a scanning end of the infrared scanner (3) is located in the protection box (9).
8. The cylinder cover valve height detection control system with the infrared scanning function according to claim 7, wherein the mounting frame (8) and the protective box body (9) are of an integrated structure.
9. The cylinder cover valve height detection control system with the infrared scanning function according to claim 5, wherein the monitoring device comprises a PLC and an HMI panel, the PLC is electrically connected with the infrared scanner (3), and the PLC is further electrically connected with the HMI panel.
10. The cylinder cover valve height detection control system with infrared scanning according to claim 5, characterized in that a bearing device is arranged between the cylinder cover (1) and the roller belt (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911169597.1A CN110849275A (en) | 2019-11-26 | 2019-11-26 | Cylinder cover valve height detection method with infrared scanning function and control system |
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| CN201911169597.1A CN110849275A (en) | 2019-11-26 | 2019-11-26 | Cylinder cover valve height detection method with infrared scanning function and control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147016A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Image analysis method for metal material hardness measurement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112147016A (en) * | 2020-09-30 | 2020-12-29 | 广西玉柴机器股份有限公司 | Image analysis method for metal material hardness measurement |
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