CN117848250A - Intelligent detection device, system and method for wall thickness of cable protection tube - Google Patents
Intelligent detection device, system and method for wall thickness of cable protection tube Download PDFInfo
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- CN117848250A CN117848250A CN202410263105.XA CN202410263105A CN117848250A CN 117848250 A CN117848250 A CN 117848250A CN 202410263105 A CN202410263105 A CN 202410263105A CN 117848250 A CN117848250 A CN 117848250A
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- 239000007921 spray Substances 0.000 claims abstract description 7
- 238000005520 cutting process Methods 0.000 claims description 141
- 238000005507 spraying Methods 0.000 claims description 34
- 238000012545 processing Methods 0.000 claims description 24
- 239000003292 glue Substances 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
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- 239000002184 metal Substances 0.000 description 1
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Abstract
The invention provides an intelligent detection device, system and method for wall thickness of a cable protection tube, which relate to the technical field of cable tubes and comprise a measuring mechanism, a first guide rail group and a PLC (programmable logic controller); the first guide rail group comprises two parallel guide rails with equal length; the measuring mechanism comprises a measuring bracket, and the measuring bracket is provided with a guide rail wheel capable of moving on the first guide rail group; the guide rail wheel is provided with a driving motor and a braking device for driving and braking the measuring bracket; the measuring bracket is provided with a measuring panel, the measuring panel is provided with a positioning panel, and the positioning panel is used for positioning the initial position of the cable protection tube for measurement; the four corners of the positioning panel are respectively provided with a thickness gauge, and the spray heads of the four thickness gauges are opposite to each other; the PLC controller is respectively connected with the driving motor, the braking device and the thickness gauge. The invention can measure the wall thickness of different positions of the cable protection tube and cut the cable protection tube smaller than the wall thickness standard so as to carry out further research.
Description
Technical Field
The invention relates to the technical field of cable tubes, in particular to an intelligent detection device, system and method for wall thickness of a cable protection tube.
Background
The cable protection tube is a tubular material for protecting cables, is usually made of plastic or metal, is mainly installed at the section where the communication cable and the power line cross, and prevents the short-circuit accident caused by the broken line of the power line, and causes the electrification of the communication cable and the steel wire rope so as to protect the cables, the exchanger and the machine core plate from being burnt out, and also plays a certain isolation role on the magnetic field interference of the power line.
The cable protection tube has the characteristics of high strength, good flexibility, high temperature resistance, corrosion resistance, flame retardance, good insulating property, no pollution, difficult aging, light weight, convenient construction and the like. These characteristics enable the cable protection tube to provide effective protection in complex environments, extending the useful life of the cable. The strength of the cable protection tube is a key element for ensuring the structural stability, the compressive resistance and the impact resistance of the cable protection tube. The wall thickness of the cable protection tube is one of the important indicators for ensuring its strength.
The general measurement mode of the wall thickness of the cable protection tube is a measurement method for measuring an average value through multiple measurements of a deep bow micrometer, and the specific operation is as follows: and 4 points are respectively measured at vertical symmetrical positions at two ends of the protection tube by using a deep bow micrometer with the precision of 0.001mm to obtain the average value. And judging whether the wall thickness of the cable protection tube meets the standard requirement by checking whether the average value obtained by measurement meets the standard requirement on the wall thickness of the power tube in the standard. However, due to the structural limitation of tools such as a deep bow micrometer, only the numerical value in the limited length of the two ends of the cable protection tube can be measured, and the wall thickness of the cable protection tube at other positions except the two ends cannot be detected. When the wall thickness of the other positions of the cable protection tube cannot meet the wall thickness standard of the cable protection tube, if the wall thickness of the other positions of the cable protection tube cannot be detected timely and effectively, great potential safety hazards can be generated in the subsequent use of the cable protection tube.
This is a disadvantage of the prior art.
Disclosure of Invention
Based on the defects of the prior art, the invention provides an intelligent detection device, an intelligent detection system and an intelligent detection method for the wall thickness of a cable protection tube, which can measure the wall thickness of different positions of the cable protection tube, finish the wall thickness measurement of a long-distance pipeline at one time, and mark the position information of the cable protection tube smaller than the wall thickness standard for subsequent further research.
In a first aspect, the invention provides an intelligent detection device for the wall thickness of a cable protection tube, which comprises a measuring mechanism, a first guide rail group and a PLC (programmable logic controller);
the first guide rail group comprises two parallel guide rails with equal length;
the measuring mechanism comprises a measuring bracket, and the measuring bracket is provided with a guide rail wheel capable of moving on the first guide rail group; the guide rail wheel is provided with a driving motor and a braking device for driving and braking the measuring bracket;
the measuring bracket is provided with a measuring panel, the measuring panel is provided with a positioning panel, and the positioning panel is used for positioning the initial position of the cable protection tube for measurement;
four corners of the positioning panel are respectively provided with a thickness gauge, and spray heads of the four thickness gauges are opposite to each other and are used for measuring the wall thickness of the cable protection tube;
The PLC is respectively connected with the driving motor and the braking device in a signal way and used for controlling the measuring bracket to move forward, backward and stop on the first guide rail group and adjusting the measuring position of the measuring bracket on the first guide rail group;
the PLC is also connected with the thickness gauge through signals and used for controlling the operation of the thickness gauge.
Further, the device also comprises a fixing mechanism;
the fixing mechanism comprises a fixing support, the fixing support is arranged between the two guide rails of the first guide rail group and used for supporting the cable protection tube, and the measuring mechanism is convenient to measure.
Further, the positioning panel is mounted on the measuring panel through a guide rail;
and the measuring bracket is also provided with an electric cylinder, the electric cylinder is connected with the positioning panel, and the PLC is in signal connection with the electric cylinder and is used for controlling the positioning panel to move up and down on the measuring panel through the guide rail.
Further, be provided with the spouting glue valve on the calibrator, spout glue valve and PLC controller signal connection for spraying couplant, supplementary calibrator is measured cable protection tube wall thickness.
Further, the PLC controller comprises a control module, a data acquisition module, a data processing module, a display module and a storage module;
the control module is used for controlling the measuring bracket to move on the first guide rail group and adjusting the measuring position of the measuring mechanism; the device is also used for controlling the positioning panel to move on the measuring panel and adjusting the height of the positioning panel; the thickness measuring device is also used for controlling the thickness measuring instrument and the glue spraying valve to measure the wall thickness of the cable protection tube;
The data acquisition module is used for acquiring wall thickness data of the cable protection tube measured by the thickness gauge;
the data processing module is used for processing and analyzing the wall thickness data acquired by the data acquisition module, and marking the wall thickness data when the wall thickness data is detected to be smaller than the preset wall thickness data;
the display module is used for displaying the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module;
and the storage module is used for storing the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module to a designated position.
In a second aspect, the present invention provides a cable protection tube wall thickness intelligent detection system using the cable protection tube wall thickness intelligent detection device of the first aspect, where the system includes a cutting device;
the cutting device comprises a cutting chamber, a cutting platform is arranged on the cutting chamber, and a pressing mechanism is arranged on the cutting platform;
a cutting mechanism is arranged in the cutting chamber and comprises a cold cutting saw and a servo motor which are arranged at the center point of the bottom surface of the cutting chamber; a ball screw is arranged on the cold cutting saw, and a servo motor is connected with the ball screw;
the center of the cutting platform is also provided with a rectangular opening which can accommodate the up-and-down movement of a saw blade of the cold cutting saw;
The PLC is respectively connected with the cold cutting saw and the servo motor in a signal manner and used for controlling the start and stop of the cold cutting saw and controlling the cold cutting saw to move up and down.
Further, the system also comprises a feeding device;
the feeding device comprises a second guide rail group and a manipulator, wherein guide rail wheels capable of moving on the second guide rail group are arranged on the manipulator, the second guide rail group and the first guide rail group are arranged on the same horizontal plane in parallel, and the length of the second guide rail group is greater than that of the first guide rail group; the second guide rail group comprises two parallel guide rails with equal length;
and one end of the second guide rail group is provided with a limit switch for ensuring that when the manipulator moves to the end of the second guide rail group, the projection of the central point of the manipulator handle on the cutting chamber is positioned at the central point of the bottom surface of the cutting chamber.
Further, the right side surface of the cutting chamber is abutted with the first guide rail group, and the right side surface of the cutting chamber is also provided with a laser range finder for detecting the linear distance between the right side surface of the cutting chamber and the positioning panel;
the laser range finder is in signal connection with the PLC, and transmits the linear distance between the right side surface of the cutting chamber and the positioning panel to the PLC in real time.
In a third aspect, the present invention provides a method for intelligently detecting a wall thickness of a cable protection pipe based on the intelligent detection system for a wall thickness of a cable protection pipe described in the second aspect, where the method includes:
S1, placing a cable protection tube on a fixed support, and adjusting the height of a positioning panel through a PLC controller to enable the cable protection tube to pass through the positioning panel and be positioned at the center of a through hole of the positioning panel;
s2, after the positioning panel is adjusted, the measuring support is controlled to move to the initial position of the cable protection tube for measurement by the PLC controller, the thickness gauge and the glue spraying valve are controlled to start working, the wall thickness of the cable protection tube is measured, and meanwhile, the laser range finder detects the distance information of the positioning panel in real time;
s3, when the PLC detects that the wall thickness data is smaller than the preset wall thickness data, controlling the thickness gauge and the glue spraying valve to stop working, controlling the measuring support to move to one end of the first guide rail group, controlling the manipulator to move to the target position of the second guide rail group according to the distance information of the positioning panel detected by the laser range finder, and grabbing the cable protection tube;
s4, after the manipulator grabs the cable protection tube, the manipulator is controlled to move to the limit switch, the cable protection tube at the grabbing position is placed at the rectangular opening of the cutting platform, and the cold cutting saw is controlled to cut the cable protection tube.
Further, in step S3, according to the distance information of the positioning panel detected by the laser range finder, the manipulator is controlled to move to the target position of the second guide rail set, and the cable protection tube is grabbed, including:
Taking the central point of the cutting chamber as an origin, taking the central line of the first guide rail set as an x-axis, taking the initial position of the origin pointing to the measuring bracket as the positive direction of the x-axis, taking the direction of the origin pointing to the second guide rail set as the positive direction of the y-axis, and establishing a plane rectangular coordinate system in a horizontal plane;
measuring the linear distance between the center point of the cutting chamber and the right side surface of the cutting chamber, and recording as L1;
the distance information of the positioning panel corresponding to the wall thickness data smaller than the preset wall thickness data is recorded as L2, and the wall thickness data coordinates smaller than the preset wall thickness data are (L1+L2, 0);
measuring the linear distance between the center point of the manipulator base and the center point of the cutting chamber, and marking as H; the target position of the manipulator is (l1+l2, H);
the PLC controls the manipulator to move to a target position (L1+L2, H) and grabs the cable protection tube.
From the above technical scheme, the invention has the following advantages:
the invention can axially measure wall thickness data of different positions of the cable protective tube, analyze and judge the measured wall thickness data, and facilitate further research on the cable.
The invention is also provided with the cutting device and the feeding device which are matched with the measuring mechanism, the cutting device can cut the cable protection tube at the corresponding position into samples with specified length according to the marked test data, and the cable protection tube with the wall thickness lower than the standard value can be conveniently researched further. The feeding device is matched with the cutting device, automatic wall thickness cutting operation of the cable protection tube can be realized by operating the feeding device through the manipulator, the working efficiency and the production efficiency are greatly improved, and the manpower resources are saved while the flexibility of the work is improved. And through the control of the manipulator, the cutting result and the measuring result of each cable protection tube can be ensured to be consistent, and errors and instability in manual operation are avoided.
In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of an intelligent detection device for wall thickness of a cable protection tube according to a first embodiment and a second embodiment of the present invention;
FIG. 2 is a schematic diagram of a measuring mechanism according to a first embodiment and a second embodiment of the present invention;
fig. 3 is a schematic structural diagram of an intelligent detection system for wall thickness of a cable protection tube according to a third embodiment and a fourth embodiment of the present invention;
fig. 4 is a schematic structural view of a cutting device according to a third embodiment and a fourth embodiment of the present invention;
fig. 5 is a schematic structural diagram of a feeding device according to a third embodiment and a fourth embodiment of the present invention;
FIG. 6 is a schematic flow chart of an intelligent detection method for wall thickness of a cable protection tube according to a fifth embodiment of the invention;
fig. 7 is a schematic flow chart of an intelligent detection method for wall thickness of a cable protection tube according to a sixth embodiment of the invention.
The device comprises a first guide rail group 1, a measuring support 2, a measuring panel 3, a positioning panel 4, a positioning panel 5, a thickness gauge 6, a fixing support 7, an electric cylinder 8, a pressing mechanism 9, a second guide rail group 10, a manipulator 11, a transparent protective cover 12 and a waste trolley.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, this embodiment provides an intelligent detection device for wall thickness of a cable protection tube, which includes a measurement mechanism, a first guide rail group 1, a fixing mechanism and a PLC controller.
The first guide rail group 1 comprises two parallel guide rails with equal length and is used for assisting the measuring mechanism to finish the wall thickness measurement of the long-distance pipeline on the cable protection pipe at one time. As shown in fig. 2, the measuring mechanism includes a measuring carriage 2, the measuring carriage 2 being provided with a guide wheel capable of traveling on the first guide rail group 1, the guide wheel being provided with a drive motor and a braking device for driving and braking the measuring carriage 2. The PLC is respectively connected with the driving motor and the braking device in a signal manner and used for controlling the measuring bracket 2 to advance, retreat and stop on the first guide rail group 1 and adjusting the measuring position of the measuring bracket 2 on the first guide rail group 1.
In this embodiment, the bottom of the measuring bracket 2 has two fulcrums, so in order to ensure that the measuring bracket 2 can stably travel on the first guide rail group 1, two guide rail wheels are provided for each fulcrums, that is, 2 guide rail wheels are provided on each guide rail of the first guide rail group 1. The number of guide rail wheels can be increased or decreased according to actual needs by a person skilled in the art.
The measuring bracket 2 is provided with a measuring panel 3, the measuring panel 3 is provided with a positioning panel 4, and the positioning panel 4 is arranged on the measuring panel 3 through a guide rail and used for positioning the initial position of the measurement of the cable protection tube. And an electric cylinder 7 is also arranged on the measurement bracket 2, the electric cylinder 7 is connected with the positioning panel 4, and the PLC is in signal connection with the electric cylinder 7 and is used for controlling the positioning panel 4 to move up and down on the measurement panel 3 through a guide rail. The positioning panel 4 is provided with a through hole, and the height of the positioning panel 4 can be adjusted through the electric cylinder 7 according to the diameter of the cable protection tube, so that the cable protection tube can pass through the positioning panel 4.
Four corners of the positioning panel 4 are respectively provided with a thickness gauge 5 for measuring the wall thickness of the cable protection tube, four thickness gauges 5 are arranged in the embodiment, and spray heads of the four thickness gauges 5 are opposite to each other in pairs and are distributed in an X shape. The thickness gauge 5 is in signal connection with the PLC, wall thickness data of the cable protection tube are sent to the PLC in real time, and meanwhile, the running state of the thickness gauge 5 is controlled by the PLC. And the four thickness gauges 5 are respectively provided with a glue spraying valve, and the glue spraying valves are connected with the PLC in a signal manner and are used for spraying couplant according to the control of the PLC, so that the thickness gauges 5 are assisted to measure the wall thickness of the cable protection tube.
The thickness gauge 5 adopted in the embodiment is an ultrasonic thickness gauge, and the ultrasonic thickness gauge measures by utilizing the propagation characteristic of ultrasonic waves, converts a control signal into an ultrasonic signal, and converts measured echo data into a data signal, thereby realizing accurate measurement of the wall thickness of the cable protection tube.
In addition, according to actual needs, a person skilled in the art can be provided with an electric cylinder 7 or an air cylinder on the thickness gauge 5, and the electric cylinder 7 or the air cylinder is used for controlling the position movement of the probe of the thickness gauge 5, so as to adjust the measuring position of the thickness gauge 5, and adapt to wall thickness measurement of cable protection pipes with different diameters.
The fixing mechanism comprises a fixing support 6, the fixing support 6 is arranged between the two guide rails of the first guide rail group 1 and used for supporting the cable protection tube, and the measuring mechanism is convenient to measure. In this embodiment, two fixing brackets 6 are provided and are respectively disposed at two ends of the first guide rail set 1, and a person skilled in the art can set a plurality of fixing brackets 6 according to actual needs for supporting the cable protection tube.
In this embodiment, the PLC controller includes a control module, a data acquisition module, a data processing module, a display module, and a storage module.
The control module is used for controlling the measuring bracket 2 to move on the first guide rail group 1 and adjusting the measuring position of the measuring mechanism; the device is also used for controlling the positioning panel 4 to move on the measuring panel 3 and adjusting the positioning panel 4; and the device is also used for controlling the thickness gauge 5 and the glue spraying valve to measure the wall thickness of the cable protection tube. And the data acquisition module is used for acquiring the wall thickness data of the cable protection tube measured by the thickness gauge 5. The data processing module is used for processing and analyzing the wall thickness data acquired by the data acquisition module, and marking the wall thickness data when the wall thickness data is detected to be smaller than the preset wall thickness data. The display module is used for displaying the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module. And the storage module is used for storing the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module to a designated position.
It should be noted that, a person skilled in the art may set the value of the preset wall thickness data according to actual needs.
In this embodiment, the specific operation steps of the intelligent detection device for wall thickness of cable protection tube are as follows:
the cable protection tube to be tested is placed on the fixed support 6, and the height of the positioning panel 4 is adjusted through the PLC controller, so that the cable protection tube can pass through the positioning panel 4 and be positioned at the center position of the through hole of the positioning panel 4. After the positioning panel 4 is adjusted, the measuring bracket 2 is controlled by the PLC to move to the initial position of the cable protection tube for measurement, and the thickness gauge 5 and the glue spraying valve are controlled to start working, so that the wall thickness of the cable protection tube is measured. The thickness gauge 5 transmits measured wall thickness data to the PLC in real time, the PLC processes and analyzes the measured wall thickness data according to the collected wall thickness data, marks the wall thickness data when the wall thickness data is detected to be smaller than preset wall thickness data until the wall thickness measurement of the cable protection tube to be measured is completed, displays the processed wall thickness data, and stores the processed wall thickness data in a designated position.
According to the measuring mechanism, wall thickness data of different positions of the cable protection tube can be measured axially, the measured wall thickness data are analyzed and judged, further research on the cable protection tube is facilitated, the measuring mechanism can be suitable for detecting pipelines of various lengths, long-distance pipeline wall thickness measurement can be completed at one time, accuracy and continuity of data are guaranteed, and error rate caused by repeated operation is reduced.
In addition, the design principle of the embodiment is reliable, the structure is simple, and the application prospect is very wide.
Example two
As shown in fig. 1, this embodiment provides an intelligent detection device for wall thickness of a cable protection tube, which includes a measurement mechanism, a first guide rail group 1, a fixing mechanism and a PLC controller.
The first guide rail group 1 comprises two parallel guide rails with equal length and is used for assisting the measuring mechanism to finish the wall thickness measurement of the long-distance pipeline on the cable protection pipe at one time. As shown in fig. 2, the measuring mechanism includes a measuring carriage 2, the measuring carriage 2 being provided with a guide wheel capable of traveling on the first guide rail group 1, the guide wheel being provided with a drive motor and a braking device for driving and braking the measuring carriage 2. The PLC is respectively connected with the driving motor and the braking device in a signal manner and used for controlling the measuring bracket 2 to advance, retreat and stop on the first guide rail group 1 and adjusting the measuring position of the measuring bracket 2 on the first guide rail group 1.
In this embodiment, the bottom of the measuring bracket 2 has two fulcrums, so in order to ensure that the measuring bracket 2 can stably travel on the first guide rail group 1, two guide rail wheels are provided for each fulcrums, that is, 2 guide rail wheels are provided on each guide rail of the first guide rail group 1. The number of guide rail wheels can be increased or decreased according to actual needs by a person skilled in the art.
The measuring bracket 2 is provided with a measuring panel 3, the measuring panel 3 is provided with a positioning panel 4, and the positioning panel 4 is arranged on the measuring panel 3 through a guide rail and used for positioning the initial position of the measurement of the cable protection tube. And an electric cylinder 7 is also arranged on the measurement bracket 2, the electric cylinder 7 is connected with the positioning panel 4, and the PLC is in signal connection with the electric cylinder 7 and is used for controlling the positioning panel 4 to move up and down on the measurement panel 3 through a guide rail. The positioning panel 4 is provided with a through hole, and the height of the positioning panel 4 can be adjusted through the electric cylinder 7 according to the diameter of the cable protection tube, so that the cable protection tube can pass through the positioning panel 4.
Four corners of the positioning panel 4 are respectively provided with a thickness gauge 5 for measuring the wall thickness of the cable protection tube, four thickness gauges 5 are arranged in the embodiment, and spray heads of the four thickness gauges 5 are opposite to each other in pairs and are distributed in an X shape. The thickness gauge 5 is in signal connection with the PLC, wall thickness data of the cable protection tube are sent to the PLC in real time, and meanwhile, the running state of the thickness gauge 5 is controlled by the PLC. And the four thickness gauges 5 are respectively provided with a glue spraying valve, and the glue spraying valves are connected with the PLC in a signal manner and are used for spraying couplant according to the control of the PLC, so that the thickness gauges 5 are assisted to measure the wall thickness of the cable protection tube.
In this embodiment, the four thickness gauges 5 are each provided with a spraying device, and the spraying devices are connected with the PLC controller and are used for spraying paint to the cable protection tube according to the control instruction of the PLC, and marking.
The thickness gauge 5 adopted in the embodiment is an ultrasonic thickness gauge, and the ultrasonic thickness gauge measures by utilizing the propagation characteristic of ultrasonic waves, converts a control signal into an ultrasonic signal, and converts measured echo data into a data signal, thereby realizing accurate measurement of the wall thickness of the cable protection tube.
In addition, according to actual needs, a person skilled in the art can be provided with an electric cylinder 7 or an air cylinder on the thickness gauge 5, and the electric cylinder 7 or the air cylinder is used for controlling the position movement of the probe of the thickness gauge 5, so as to adjust the measuring position of the thickness gauge 5, and adapt to wall thickness measurement of cable protection pipes with different diameters.
The fixing mechanism comprises a fixing support 6, the fixing support 6 is arranged between the two guide rails of the first guide rail group 1 and used for supporting the cable protection tube, and the measuring mechanism is convenient to measure. In this embodiment, two fixing brackets 6 are provided and are respectively disposed at two ends of the first guide rail set 1, and a person skilled in the art can set a plurality of fixing brackets 6 according to actual needs for supporting the cable protection tube.
In this embodiment, the PLC controller includes a control module, a data acquisition module, a data processing module, a display module, and a storage module.
The control module is used for controlling the measuring bracket 2 to move on the first guide rail group 1 and adjusting the measuring position of the measuring mechanism; the device is also used for controlling the positioning panel 4 to move on the measuring panel 3 and adjusting the height of the positioning panel 4; and is also used for controlling the thickness gauge 5, the glue spraying valve and the spraying device to work. And the data acquisition module is used for acquiring the wall thickness data of the cable protection tube measured by the thickness gauge 5. The data processing module is used for carrying out real-time processing analysis on the wall thickness data acquired by the data acquisition module, marking the wall thickness data when detecting that the wall thickness data is smaller than the preset wall thickness data, and controlling the spraying device to carry out spraying identification on the cable protection tube. The display module is used for displaying the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module. And the storage module is used for storing the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module to a designated position.
It should be noted that, a person skilled in the art may set the value of the preset wall thickness data according to actual needs.
In this embodiment, the specific operation steps of the intelligent detection device for wall thickness of cable protection tube are as follows:
the cable protection tube to be tested is placed on the fixed support 6, and the height of the positioning panel 4 is adjusted through the PLC controller, so that the cable protection tube can pass through the positioning panel 4 and be positioned at the center position of the through hole of the positioning panel 4. After the positioning panel 4 is adjusted, the measuring bracket 2 is controlled by the PLC to move to the initial position of the cable protection tube for measurement, and the thickness gauge 5 and the glue spraying valve are controlled to start working, so that the wall thickness of the cable protection tube is measured. The thickness gauge 5 transmits measured wall thickness data to the PLC in real time, the PLC processes and analyzes the measured wall thickness data according to the collected wall thickness data, marks the wall thickness data and controls the spraying device to spray and mark the cable protection tube when the wall thickness data is detected to be smaller than preset wall thickness data, the processed wall thickness data is displayed until the wall thickness measurement of the cable protection tube to be measured is completed, and the processed wall thickness data is stored in a designated position.
According to the embodiment of the invention, the wall thickness data of different positions of the cable protection tube can be measured axially, the measured wall thickness data are analyzed and judged, and the positions where the wall thickness data are smaller than the preset wall thickness data are marked, so that the cable protection tube can be researched further after the measurement is finished, the measuring mechanism can be suitable for detecting pipelines with various lengths, long-distance pipeline wall thickness measurement can be finished at one time, the accuracy and consistency of the data are ensured, and the error rate caused by multiple operations is reduced.
In addition, the design principle of the embodiment is reliable, the structure is simple, and the application prospect is very wide.
Example III
As shown in fig. 3, this embodiment provides an intelligent detection system for wall thickness of a cable protection tube using the intelligent detection device for wall thickness of a cable protection tube in the first embodiment, where the system includes a cutting device and a feeding device.
As shown in fig. 4, the cutting device includes a cutting chamber, a cutting platform is disposed on the cutting chamber, a pressing mechanism 8 is disposed on the cutting platform, in this embodiment, two pressing mechanisms 8 are disposed on two ends of the cutting platform, and a person skilled in the art can add the pressing mechanism 8 according to actual needs. The cutting mechanism is arranged in the cutting chamber and comprises a cold cutting saw and a servo motor, wherein the cold cutting saw and the servo motor are arranged at the center point of the bottom surface of the cutting chamber. The cold cutting saw is connected with the PLC controller in a signal way, and starts and stops working according to a control instruction of the PLC controller. Be provided with ball on the cold cutting saw, servo motor is connected with ball, and PLC control and servo motor signal connection are used for controlling the cold cutting saw and reciprocate. The center position of the cutting platform is also provided with a rectangular opening which can accommodate the up-and-down movement of the saw blade of the cold cutting saw.
The right side face of the cutting chamber is abutted with the first guide rail group 1, and a laser range finder is further arranged on the right side face of the cutting chamber and used for detecting the linear distance between the right side face of the cutting chamber and the positioning panel 4. The laser range finder is in signal connection with the PLC controller and transmits the linear distance between the right side surface of the cutting chamber and the positioning panel 4 to the PLC controller in real time.
In this embodiment, the transparent protective cover 11 is arranged on the cutting platform, so that fragments generated during cutting can be prevented from being sputtered to the surrounding environment or staff, and the surrounding environment and the staff are effectively protected.
In this embodiment, the cutting device further includes a scrap trolley 12, and the scrap trolley 12 is disposed on the left side of the cutting chamber, and is used for collecting the cable protection tube cut by the cutting mechanism, and rapidly and effectively transferring the cut cable protection tube from the working area to the processing area, so that the time and labor cost for cleaning and processing the scrap are reduced. The scrap trolley 12 can be selectively added by those skilled in the art as desired.
As shown in fig. 5, the feeding device comprises a second guide rail group 9 and a manipulator 10, wherein the second guide rail group 9 comprises two parallel guide rails with equal length, and guide rail wheels capable of moving on the second guide rail group 9 are arranged on the manipulator 10. In the present embodiment, in order to ensure that the robot arm 10 can travel smoothly on the second rail group 9, 4 rail wheels are provided on the robot arm 10, that is, 2 rail wheels are provided on each rail of the second rail group 9. The number of guide rail wheels can be increased or decreased according to actual needs by a person skilled in the art.
The second guide rail group 9 and the first guide rail group 1 are arranged on the same horizontal plane in parallel, and the length of the second guide rail group 9 is greater than that of the first guide rail group 1. In this embodiment, the two ends of the second guide rail set 9 are flush with the left side surface of the cutting chamber and the end of the first guide rail set 1 away from the cutting chamber, respectively.
And one end of the second guide rail group 9 is provided with a limit switch for ensuring that when the manipulator 10 moves to the end of the second guide rail group 9, the projection of the central point of the manipulator 10 on the cutting chamber is positioned at the central point of the bottom surface of the cutting chamber.
According to the measuring mechanism, wall thickness data of different positions of the cable protection tube can be measured axially, the measured wall thickness data are analyzed and judged, further research on the cable protection tube is facilitated, the measuring mechanism can be suitable for detecting pipelines of various lengths, long-distance pipeline wall thickness measurement can be completed at one time, accuracy and continuity of data are guaranteed, and error rate caused by repeated operation is reduced.
The embodiment is also provided with a cutting device and a feeding device which are matched with the measuring mechanism, and the cutting device can cut the cable protection tube at the corresponding position into a sample with a specified length according to marked test data, so that the cable protection tube with the wall thickness lower than a standard value can be conveniently researched further. The feeding device is matched with the cutting device, automatic wall thickness cutting operation of the cable protection tube can be realized by operating the feeding device through the manipulator, the working efficiency and the production efficiency are greatly improved, and the manpower resources are saved while the flexibility of the work is improved. And through the control of the manipulator, the cutting result and the measuring result of each cable protection tube can be ensured to be consistent, and errors and instability in manual operation are avoided.
In addition, the design principle of the embodiment is reliable, the structure is simple, and the application prospect is very wide.
Example IV
As shown in fig. 3, this embodiment further provides an intelligent detection system for wall thickness of a cable protection tube using the intelligent detection device for wall thickness of a cable protection tube in the second embodiment, where the system includes a cutting device and a feeding device.
As shown in fig. 4, the cutting device includes a cutting chamber, a cutting platform is disposed on the cutting chamber, a pressing mechanism 8 is disposed on the cutting platform, in this embodiment, two pressing mechanisms 8 are disposed on two ends of the cutting platform, and a person skilled in the art can add the pressing mechanism 8 according to actual needs. The cutting mechanism is arranged in the cutting chamber and comprises a cold cutting saw and a servo motor, wherein the cold cutting saw and the servo motor are arranged at the center point of the bottom surface of the cutting chamber. The cold cutting saw is connected with the PLC controller in a signal way, and starts and stops working according to a control instruction of the PLC controller. Be provided with ball on the cold cutting saw, servo motor is connected with ball, and PLC control and servo motor signal connection are used for controlling the cold cutting saw and reciprocate. The center position of the cutting platform is also provided with a rectangular opening which can accommodate the up-and-down movement of the saw blade of the cold cutting saw. The right side face of the cutting chamber is abutted against the first guide rail group 1, so that after the measurement of the wall thickness of the cable protection tube is finished, the cutting chamber is cut in time, and the next test analysis is performed.
In this embodiment, the transparent protective cover 11 is arranged on the cutting platform, so that fragments generated during cutting can be prevented from being sputtered to the surrounding environment or staff, and the surrounding environment and the staff are effectively protected.
In this embodiment, the cutting device further includes a scrap trolley 12, and the scrap trolley 12 is disposed on the left side of the cutting chamber, and is used for collecting the cable protection tube cut by the cutting mechanism, and rapidly and effectively transferring the cut cable protection tube from the working area to the processing area, so that the time and labor cost for cleaning and processing the scrap are reduced. The scrap trolley 12 can be selectively added by those skilled in the art as desired.
As shown in fig. 5, the feeding device comprises a second guide rail group 9 and a manipulator 10, wherein the second guide rail group 9 comprises two parallel guide rails with equal length, and guide rail wheels capable of moving on the second guide rail group 9 are arranged on the manipulator 10. In the present embodiment, in order to ensure that the robot arm 10 can travel smoothly on the second rail group 9, 4 rail wheels are provided on the robot arm 10, that is, 2 rail wheels are provided on each rail of the second rail group 9. The number of guide rail wheels can be increased or decreased according to actual needs by a person skilled in the art.
The second guide rail group 9 and the first guide rail group 1 are arranged on the same horizontal plane in parallel, and the length of the second guide rail group 9 is greater than that of the first guide rail group 1. In this embodiment, the two ends of the second guide rail set 9 are flush with the left side surface of the cutting chamber and the end of the first guide rail set 1 away from the cutting chamber, respectively.
And one end of the second guide rail group 9 is provided with a limit switch for ensuring that when the manipulator 10 moves to the end of the second guide rail group 9, the projection of the central point of the manipulator 10 on the cutting chamber is positioned at the central point of the bottom surface of the cutting chamber.
According to the embodiment, the wall thickness data of different positions of the cable protection tube can be measured axially, the measured wall thickness data are analyzed and judged, the positions where the wall thickness data are smaller than the preset wall thickness data are marked, further research on the cable protection tube is facilitated after the measurement is completed, the measuring mechanism can be suitable for detecting pipelines with various lengths, long-distance pipeline wall thickness measurement can be completed at one time, accuracy and continuity of the data are guaranteed, and error rate caused by multiple operations is reduced.
The embodiment is also provided with cutting device and material feeding unit that use with measuring mechanism cooperation, and cutting device can be according to the spraying mark of spraying device to the cable protection tube, cuts the cable protection tube of mark position into the sample of appointed length, and the convenience is lower than the cable protection tube of standard value to the wall thickness and is studied further. The feeding device is matched with the cutting device, automatic wall thickness cutting operation of the cable protection tube can be realized by operating the feeding device through the manipulator, the working efficiency and the production efficiency are greatly improved, and the manpower resources are saved while the flexibility of the work is improved.
In addition, the design principle of the embodiment is reliable, the structure is simple, and the application prospect is very wide.
Example five
As shown in fig. 6, the invention further provides an intelligent detection method for wall thickness of a cable protection tube using the intelligent detection system for wall thickness of a cable protection tube in the third embodiment, which comprises the following steps:
s1, placing the cable protection tube on the fixed support 6, and adjusting the height of the positioning panel 4 through the PLC controller to enable the cable protection tube to pass through the positioning panel 4 and be positioned at the center of the through hole of the positioning panel 4.
S2, after the adjustment of the positioning panel 4 is completed, the measuring support 2 is controlled to move to the initial position of the cable protection tube for measurement through the PLC controller, the thickness gauge 5 and the glue spraying valve are controlled to start working, the wall thickness of the cable protection tube is measured, and meanwhile, the laser range finder detects the distance information of the positioning panel 4 in real time.
And S3, when the PLC detects that the wall thickness data is smaller than the preset wall thickness data, controlling the thickness gauge 5 and the glue spraying valve to stop working, controlling the measuring support 2 to move to one end of the first guide rail group 1, and controlling the manipulator 10 to move to the target position of the second guide rail group 9 according to the distance information of the positioning panel 4 detected by the laser range finder, so as to grasp the cable protection tube.
Specifically, when the PLC controller detects that the wall thickness data is smaller than the preset wall thickness data, the thickness gauge 5 and the glue spraying valve are controlled to stop working, and the measuring bracket 2 is controlled to move to one end of the first guide rail group 1. The central point of the cutting chamber is taken as an origin, the central line of the first guide rail group 1 is taken as an x-axis, the initial position of the origin pointing to the measuring bracket 2 is taken as an x-axis positive direction, the direction of the origin pointing to the second guide rail group 9 is taken as a y-axis positive direction, and a plane rectangular coordinate system is established in a horizontal plane. The linear distance between the center point of the cutting chamber and the right side surface of the cutting chamber is measured, and is denoted as L1, the distance information of the positioning panel 4 corresponding to the wall thickness data smaller than the preset wall thickness data is denoted as L2, the wall thickness data coordinates smaller than the preset wall thickness data are (l1+l2, 0), the linear distance between the center point of the base of the measuring manipulator 10 and the center point of the cutting chamber is denoted as H, and the target position of the manipulator 10 is (l1+l2, H). The PLC controller controls the robot 10 to move to the target position (l1+l2, H) to grasp the cable protection tube.
S4, after the manipulator 10 grabs the cable protection tube, controlling the manipulator 10 to move to the limit switch, placing the cable protection tube at the grabbing position at the rectangular opening of the cutting platform, and controlling the cold cutting saw to cut the cable protection tube.
When the cable protection tube is cut by the control cold cutting saw, the cable protection tube is cut into samples with specified lengths, only the measured part of the cable protection tube is cut, and after the cutting is finished, the control manipulator 10 places the unmeasured part of the cable protection tube on the fixed support 6 to continue wall thickness measurement.
According to the embodiment, the wall thickness data of different positions of the cable protection tube can be measured in the axial direction at one time, the measured wall thickness data are analyzed, the cable protection tube with the wall thickness data smaller than the position of the preset wall thickness data is cut into samples with specified length through the manipulator according to the analysis result, and further research on the cable protection tube with the wall thickness lower than the standard value is facilitated. In addition, the wall thickness measurement and cutting operation of the cable protection tube can be automatically realized, the working efficiency and the production efficiency are greatly improved, and the manpower resources are saved while the flexibility of the work is improved.
Example six
As shown in fig. 7, the invention further provides an intelligent detection method for the wall thickness of the cable protection tube by using the intelligent detection system for the wall thickness of the cable protection tube in the fourth embodiment.
Q1, place the cable protection pipe on fixed bolster 6, adjust the height of location panel 4 through the PLC controller, make the cable protection pipe can pass location panel 4 and be in the central point of location panel 4 through hole.
After the adjustment of the Q2 and the positioning panel 4 is completed, the measuring support 2 is controlled by the PLC to move to the initial position of the cable protection tube for measurement, the thickness gauge 5 and the glue spraying valve are controlled to start working, and the wall thickness of the cable protection tube is measured.
Q3, when the PLC detects that the wall thickness data is smaller than the preset wall thickness data, controlling the spraying device to spray paint to the cable protection tube at the position, marking, and continuing to measure the wall thickness of the cable protection tube until the measurement is finished after marking is finished.
Q4, after the measurement is finished, the PLC controls the manipulator 10 to grasp the cable protection tube according to the mark on the cable protection tube, controls the manipulator 10 to move to the limit switch, places the grasped mark of the cable protection tube at the rectangular opening of the cutting platform, controls the cold cutting saw to cut the cable protection tube, and cuts the cable protection tube into a plurality of samples with specified lengths according to the mark positions.
According to the embodiment, the wall thickness data of different positions of the cable protection tube can be measured in the axial direction at one time, the measured wall thickness data are analyzed, the cable protection tube with the wall thickness data smaller than the position of the preset wall thickness data is marked according to the analysis result, the cable protection tube is cut into samples with specified length through the manipulator according to the mark, and further research on the cable protection tube with the wall thickness lower than the standard value is facilitated. In addition, the wall thickness measurement and cutting operation of the cable protection tube can be automatically realized, the working efficiency and the production efficiency are greatly improved, and the manpower resources are saved while the flexibility of the work is improved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The intelligent detection device for the wall thickness of the cable protection tube is characterized by comprising a measuring mechanism, a first guide rail group (1) and a PLC;
the first guide rail group (1) comprises two parallel guide rails with equal length;
the measuring mechanism comprises a measuring bracket (2), and the measuring bracket (2) is provided with a guide rail wheel capable of moving on the first guide rail group (1); the guide rail wheel is provided with a driving motor and a braking device for driving and braking the measuring bracket (2);
a measuring panel (3) is arranged on the measuring bracket (2), a positioning panel (4) is arranged on the measuring panel (3), and the positioning panel (4) is used for positioning the initial position of the cable protection tube for measurement;
Four corners of the positioning panel (4) are respectively provided with a thickness gauge (5), and spray heads of the four thickness gauges (5) are opposite to each other in pairs and are used for measuring the wall thickness of the cable protection tube;
the PLC is respectively connected with the driving motor and the braking device in a signal way and used for controlling the measuring bracket (2) to move forwards, backwards and stop on the first guide rail group (1) and adjusting the measuring position of the measuring bracket (2) on the first guide rail group (1);
the PLC is also connected with the thickness gauge (5) through signals and used for controlling the operation of the thickness gauge (5).
2. The intelligent detection device for the wall thickness of the cable protection tube according to claim 1, wherein the device further comprises a fixing mechanism;
the fixing mechanism comprises a fixing support (6), the fixing support (6) is arranged between two guide rails of the first guide rail group (1) and used for supporting the cable protection tube, and the measuring mechanism is convenient to measure.
3. The intelligent detection device for the wall thickness of the cable protection tube according to claim 1, wherein the positioning panel (4) is arranged on the measuring panel (3) through a guide rail;
and an electric cylinder (7) is further arranged on the measurement support (2), the electric cylinder (7) is connected with the positioning panel (4), and the PLC is in signal connection with the electric cylinder (7) and is used for controlling the positioning panel (4) to move up and down on the measurement panel (3) through a guide rail.
4. The intelligent detection device for the wall thickness of the cable protection tube according to claim 1, wherein a glue spraying valve is arranged on the thickness gauge (5), the glue spraying valve is in signal connection with the PLC and is used for spraying a coupling agent, and the thickness gauge (5) is assisted to measure the wall thickness of the cable protection tube.
5. The intelligent detection device for the wall thickness of the cable protection tube according to claim 1, wherein the PLC comprises a control module, a data acquisition module, a data processing module, a display module and a storage module;
the control module is used for controlling the measuring bracket (2) to move on the first guide rail group (1) and adjusting the measuring position of the measuring mechanism; the device is also used for controlling the positioning panel (4) to move on the measuring panel (3) and adjusting the height of the positioning panel (4); the wall thickness measuring device is also used for controlling the thickness gauge (5) and the glue spraying valve to measure the wall thickness of the cable protection tube;
the data acquisition module is used for acquiring wall thickness data of the cable protection tube measured by the thickness gauge (5);
the data processing module is used for processing and analyzing the wall thickness data acquired by the data acquisition module, and marking the wall thickness data when the wall thickness data is detected to be smaller than the preset wall thickness data;
The display module is used for displaying the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module;
and the storage module is used for storing the wall thickness data acquired by the data acquisition module and the analysis result of the data processing module to a designated position.
6. A cable protection tube wall thickness intelligent detection system using the cable protection tube wall thickness intelligent detection device according to any one of claims 1-5, characterized in that the system comprises a cutting device;
the cutting device comprises a cutting chamber, a cutting platform is arranged on the cutting chamber, and a pressing mechanism (8) is arranged on the cutting platform;
a cutting mechanism is arranged in the cutting chamber and comprises a cold cutting saw and a servo motor which are arranged at the center point of the bottom surface of the cutting chamber; a ball screw is arranged on the cold cutting saw, and a servo motor is connected with the ball screw;
the center of the cutting platform is also provided with a rectangular opening which can accommodate the up-and-down movement of a saw blade of the cold cutting saw;
the PLC is respectively connected with the cold cutting saw and the servo motor in a signal manner and used for controlling the start and stop of the cold cutting saw and controlling the cold cutting saw to move up and down.
7. The intelligent detection system for the wall thickness of a cable protection tube according to claim 6, wherein the system further comprises a feeding device;
The feeding device comprises a second guide rail group (9) and a manipulator (10), wherein guide rail wheels capable of moving on the second guide rail group (9) are arranged on the manipulator (10), the second guide rail group (9) and the first guide rail group (1) are arranged on the same horizontal plane in parallel, and the length of the second guide rail group (9) is greater than that of the first guide rail group (1); the second guide rail group (9) comprises two parallel guide rails with equal length;
and one end of the second guide rail group (9) is provided with a limit switch for ensuring that when the manipulator (10) moves to the end of the second guide rail group (9), the projection of the central point of the manipulator (10) on the cutting chamber is positioned at the central point of the bottom surface of the cutting chamber.
8. The intelligent detection system for the wall thickness of the cable protection tube according to claim 6, wherein the right side surface of the cutting chamber is abutted with the first guide rail group (1), and a laser range finder is further arranged on the right side surface of the cutting chamber and used for detecting the linear distance between the right side surface of the cutting chamber and the positioning panel (4);
the laser range finder is in signal connection with the PLC, and transmits the linear distance between the right side surface of the cutting chamber and the positioning panel (4) to the PLC in real time.
9. A method for intelligently detecting the wall thickness of a cable protection tube based on the intelligent detection system for the wall thickness of the cable protection tube as claimed in any one of claims 6 to 8, which is characterized by comprising the following steps:
S1, placing a cable protection tube on a fixed support (6), and adjusting the height of a positioning panel (4) through a PLC controller to enable the cable protection tube to pass through the positioning panel (4) and be positioned at the center of a through hole of the positioning panel (4);
s2, after the adjustment of the positioning panel (4) is finished, the measuring bracket (2) is controlled to move to the initial position of the measurement of the cable protection tube by the PLC controller, the thickness gauge (5) and the glue spraying valve are controlled to start working, the wall thickness of the cable protection tube is measured, and meanwhile, the laser range finder detects the distance information of the positioning panel (4) in real time;
s3, when the PLC detects that the wall thickness data is smaller than the preset wall thickness data, controlling the thickness gauge (5) and the glue spraying valve to stop working, controlling the measuring support (2) to move to one end of the first guide rail group (1), and controlling the manipulator (10) to move to the target position of the second guide rail group (9) according to the distance information of the positioning panel (4) detected by the laser range finder, and grabbing the cable protection tube;
s4, after the manipulator (10) grabs the cable protection tube, the manipulator (10) is controlled to move to the limit switch, the cable protection tube at the grabbing position is placed at the rectangular opening of the cutting platform, and the cold cutting saw is controlled to cut the cable protection tube.
10. The intelligent detection method for wall thickness of cable protection tube according to claim 9, wherein in step S3, according to the distance information of the positioning panel (4) detected by the laser range finder, the manipulator (10) is controlled to move to the target position of the second guide rail set (9), and the cable protection tube is grasped, which comprises:
taking the central point of the cutting chamber as an origin, taking the central line of the first guide rail group (1) as an x-axis, taking the initial position of the origin pointing to the measuring bracket (2) as the positive direction of the x-axis, taking the direction of the origin pointing to the second guide rail group (9) as the positive direction of the y-axis, and establishing a plane rectangular coordinate system in a horizontal plane;
measuring the linear distance between the center point of the cutting chamber and the right side surface of the cutting chamber, and recording as L1;
the distance information of the positioning panel (4) corresponding to the wall thickness data smaller than the preset wall thickness data is recorded as L2, and the wall thickness data coordinates smaller than the preset wall thickness data are (L1+L2, 0);
measuring the linear distance between the center point of the base of the manipulator (10) and the center point of the cutting chamber, and marking as H; the target position of the manipulator (10) is (L1+L2, H);
the PLC controls the manipulator (10) to move to a target position (L1+L2, H) and grasp the cable protection tube.
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