CN115930853B - Grounding downlead film thickness detection tool and detection process thereof - Google Patents
Grounding downlead film thickness detection tool and detection process thereof Download PDFInfo
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- CN115930853B CN115930853B CN202310020672.8A CN202310020672A CN115930853B CN 115930853 B CN115930853 B CN 115930853B CN 202310020672 A CN202310020672 A CN 202310020672A CN 115930853 B CN115930853 B CN 115930853B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to the technical field of power engineering grounding construction, in particular to a grounding down-lead film thickness detection tool which comprises a connecting frame, a first ultrasonic detection device, a handheld device and other parts, wherein the detection process comprises the steps of cable fixing, automatic detection, manual detection, repair treatment and the like. The detection tool can automatically detect the thickness of the cable through the first ultrasonic detection device arranged on the connecting frame, can also take two installation forms according to whether the end part of the cable is fixed, can not completely determine whether the problem exists in the automatic detection process or can not detect the cable region finished through the automatic detection by adopting the second ultrasonic detection device manually to carry out manual auxiliary detection and recheck, thereby effectively completing the complete detection of the cable film region, and can also conveniently complete the temporary detection in the subsequent repair process, thereby ensuring that the cable film layer used for grounding down-lead is qualified.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a detection tool and a detection process for the thickness of a grounding down conductor film.
Background
The power transmission and distribution line of the power system is generally erected outdoors, no lightning rod is arranged around the power transmission and distribution line for protection, lightning stroke iron towers or wires are often required to be prevented in the actual operation process, and the problem that high-amplitude lightning stroke current causes flashover breakdown of a suspension insulator of the power transmission and distribution line, and then causes short circuit and ground faults of the power transmission and distribution line is avoided. In order to prevent lightning accidents of power transmission and distribution lines, each iron tower is provided with a grounding device in the construction process of the power transmission and distribution lines, and a grounding down-lead is a conductor for connecting a power tower and a buried grounding body, and is extremely easy to corrode within the range of 10-20 cm below the ground surface, so that the grounding down-lead is the weakest link in the grounding grid of the whole power system tower and is the most critical part for influencing the service life of the whole grounding grid.
At present, the grounding grid of the transmission and distribution line tower is mainly prepared from low carbon steel, copper coated steel and galvanized steel conductors, and in order to further avoid the service life of the grounding down conductor, an anti-corrosion coating layer formed by anti-corrosion paint, high polymer hot melting materials and the like is coated on the outer layer of the grounding down conductor. The coating layer is mainly set by corresponding personnel temporarily and manually, so that the thickness of the coating layer is difficult to set uniformly, good protection effect is difficult to achieve when the coating layer is too thin, and when the coating layer is too thick, materials are wasted, more time is required to be consumed, and therefore, the thickness of the cable coating layer is required to be checked to ensure that the thickness of the coating layer is in a reasonable range.
At present, the inspection of the thickness of the cable coating layer is mainly realized by adopting an ultrasonic thickness gauge, but the existing handheld ultrasonic thickness gauge is difficult to carry out omnibearing inspection on the cable coating layer, but adopts manual handheld operation to inspect partial point positions, so that the inspected area is incomplete, the aim of detection is difficult to achieve effectively, and the manual handheld inspection efficiency is low and needs to consume a large amount of time. The invention provides a film thickness detection tool and a film thickness detection process for a grounding down-lead, which can be used for effectively solving the construction problem of the grounding down-lead by designing and preparing novel equipment capable of carrying out rapid thickness detection on a film layer on the surface of a cable used for the grounding down-lead.
Disclosure of Invention
The invention aims to provide a detection tool and a detection process for the thickness of a grounding down conductor, which are used for solving the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: a ground lead cover film thickness detection tool, the detection tool comprising:
the connecting frame is characterized in that two pairs of traction units are symmetrically arranged at the front end and the rear end of the connecting frame, the traction units comprise a supporting frame, an adjusting push rod is fixedly arranged on the supporting frame, the output end of the adjusting push rod is driven to be connected with the connecting frame, a guide post is slidably arranged on the supporting frame, a limiting ring for limiting a cable is fixedly arranged at the tail end of the guide post, the limiting ring is connected with the supporting frame through a jacking spring, a traction motor is fixedly arranged on the supporting frame, a traction rubber wheel for clamping and driving the cable to move is driven at the output end of the traction motor, and a bottom frame is arranged at the lower end of the connecting frame in a detachable connection mode;
the first ultrasonic detection device comprises an arc-shaped fixed ring which is fixed with the connecting frame and used for penetrating a cable, a rotary gear ring is rotatably arranged on the arc-shaped fixed ring, a main motor is fixedly arranged on the connecting frame, a driving gear which is in meshed connection with the rotary gear ring is driven at the output end of the main motor, and a first ultrasonic detection probe which is used for detecting the thickness of a film layer on the cable is fixedly arranged on the driving gear;
the mobile phone comprises a mobile phone, wherein a controller, a loudspeaker, a display and a second ultrasonic detection device for detecting the thickness of a film coating layer on a cable are fixedly arranged on the mobile phone, and the controller is respectively and electrically connected with the second ultrasonic detection device, a traction motor, an adjusting push rod, a main motor, a first ultrasonic detection probe, the loudspeaker and the display.
Preferably, the second ultrasonic detection device comprises a pair of clamping arms hinged to the handheld device, clamping rings used for clamping the cable are formed at the tail ends of the two clamping arms, a second ultrasonic detection probe used for detecting the thickness of a film coating layer on the cable is installed on the clamping rings, the two clamping arms are connected through a reset spring, and the second ultrasonic detection probe is electrically connected with the controller.
Preferably, the second ultrasonic detection device comprises a pair of clamping arms hinged to the handheld device, clamping rings used for clamping the cable are formed at the tail ends of the two clamping arms, a second ultrasonic detection probe used for detecting the thickness of a film coating layer on the cable is installed on the clamping rings, the two clamping arms are connected through a reset spring, and the second ultrasonic detection probe is electrically connected with the controller.
Preferably, the side of the underframe is fixedly provided with a bearing plate for placing the balancing weight, the underframe is inserted and provided with an inserted link for inserting the fixed connecting frame, the tail end of the inserted link is fixedly provided with a pull rod, and the pull rod is fixed with the underframe through a pushing spring.
Preferably, the outside parcel of traction rubber wheel has the rubber circle that is used for increasing the frictional force with the cable, and rotates the installation through the bearing between traction rubber wheel and the support frame.
Preferably, the support frames on the traction units respectively positioned at the front end and the rear end of the first ultrasonic detection device on the connecting frame are fixedly connected through connecting rods, and pull handles convenient to carry are fixedly arranged on the connecting rods.
Preferably, the controller is an ARM single-chip microcomputer controller, and the adjusting push rod is an electric push rod.
Preferably, the bottom of arc retainer plate is provided with the opening that makes things convenient for the cable to get into arc retainer plate center, and rotates the ring gear and be the arc ring gear that the circular arc degree is less than three hundred degrees.
Preferably, at least three first ultrasonic detection probes are uniformly distributed on the rotating ring gear, and the traction motor and the main motor are stepping motors.
Preferably, the front end and the rear end of the limiting ring are respectively integrally formed with an arc-shaped guide piece which is convenient for the cable to move back and forth, and a rubber shock pad is fixedly arranged on a contact surface between the two limiting rings which are relatively pressed.
A measuring process of a grounding down-lead film thickness detection tool comprises the following steps:
s1, fixing a cable: when at least one section of the two ends of the cable to be detected is fixed, the underframe is disassembled, the cable is tensioned and fixed, the limiting rings of the device are aligned with the cable, the two pairs of traction rubber wheels are clamped on the cable by utilizing the traction unit, so that components on the connecting frame can be hung on the cable, when the traction motor works, the device can be driven to advance or retreat along the cable, when the two ends of the cable are not fixed, the connecting frame is fixed on the ground by utilizing the underframe, the cable is placed between the two pairs of limiting rings and clamped by utilizing the two pairs of traction rubber wheels, and when the traction motor works, the cable can be driven to advance or retreat along the centers of the two pairs of limiting rings;
s2, automatic detection: after the cable is fixed with the equipment, an operator manually operates the handhold and utilizes the controller to give corresponding working instructions, then the equipment and the cable are driven by the traction motor to perform relative movement, at the moment, the cable slowly passes through the position where the first ultrasonic detection probe is positioned, two pairs of traction units positioned at the front side and the rear side of the first ultrasonic detection device can ensure that the cable positioned between the two pairs of traction rubber wheels is always in a tensioning state, then the main motor starts to drive the rotary gear ring to perform repeated forward and reverse rotation along the arc-shaped fixed ring, so that the first ultrasonic detection probe can periodically rotate left and right along the cable, the thickness of a film coating layer on the cable is detected in the moving process, the detection result can be displayed through the display, and when the detection is unqualified, the detection is also sent through the loudspeaker, at the moment, the detection is suspended, the operator can mark the current position, and the detection work can be resumed until the operator gives a continuous operation instruction until the detection is completed;
s3, manual detection: the operator separates the cable from the traction rubber wheel through the controller, then picks up the handheld device again to manually detect the area marked with the problem on the cable through the second ultrasonic detection device, simultaneously manually detects the area incapable of being automatically detected on the cable, marks the part with the problem detected again, and finally checks the position of all the areas to be detected on the cable;
s4, repairing: after the detection is finished, an operator temporarily packs the detection equipment, removes and repairs the covering film layer with the detected problem, detects the repair area by using the equipment again after the repair is finished, marks the area with the detected problem again, removes and repairs the area, and repeats the process until all the repairs are finished.
Compared with the prior art, the invention has the beneficial effects that: the detection tool designed by the invention can automatically detect the film thickness of the cable through the first ultrasonic detection device arranged on the connecting frame, can also take two installation modes according to whether the end part of the cable is fixed, can not completely determine whether the cable is problematic or not through automatic detection in the automatic detection process, can also manually use the second ultrasonic detection device to carry out manual auxiliary detection and recheck on the cable area, thereby effectively completing the complete detection of the cable film area, and can also conveniently complete the temporary detection in the subsequent repair process, thereby ensuring the cable film lamination lattice for the grounding down-lead, and has high practical value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of the installation of the traction unit and the hitch of the present invention;
FIG. 3 is a schematic view of the traction unit of the present invention;
FIG. 4 is a schematic structural view of a first ultrasonic testing device according to the present invention;
FIG. 5 is a schematic view of the chassis of the present invention;
fig. 6 is a schematic view of the installation of a second ultrasonic testing device and a handpiece of the present invention.
In the figure: 1. a connecting frame; 2. a second ultrasonic detection device; 201. a clamping ring; 202. a second ultrasonic detection probe; 203. a return spring; 204. a clamping arm; 3. a traction unit; 301. a traction motor; 302. a pressing spring; 303. traction rubber wheels; 304. a limiting ring; 305. a support frame; 306. a guide post; 307. adjusting the push rod; 4. a first ultrasonic detection device; 401. a main motor; 402. a first ultrasonic detection probe; 403. an arc-shaped fixing ring; 404. a drive gear; 405. rotating the gear ring; 5. a connecting rod; 6. a pull handle; 7. a hand holder; 8. a controller; 9. a speaker; 10. a display; 11. a bearing plate; 12. a chassis; 13. a rod; 14. a pushing spring; 15. a pull rod; 16. a cable.
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. Based on the technical solutions of the present invention, all other embodiments obtained by a person skilled in the art without making any creative effort fall within the protection scope of the present invention.
Referring to fig. 1 to 6, the present invention provides a technical solution: a ground lead cover film thickness detection tool, the detection tool comprising:
referring to fig. 1 to 3 and 5, two pairs of traction units 3 are symmetrically installed at front and rear ends of the connection frame 1, the traction units 3 comprise a support frame 305, an adjusting push rod 307 is fixedly installed on the support frame 305, an output end of the adjusting push rod 307 is driven to be connected with the connection frame 1, a guide post 306 is slidably installed on the support frame 305, a limiting ring 304 for limiting a cable 16 is fixedly installed at the tail end of the guide post 306, the limiting ring 304 is connected with the support frame 305 through a top pressure spring 302, a traction motor 301 is fixedly installed on the support frame 305, a traction rubber wheel 303 for clamping and driving the cable 16 to move is driven at the output end of the traction motor 301, a chassis 12 is installed at the lower end of the connection frame 1 in a detachable connection mode, each pair of traction units 3 is used for forming traction rubber wheel 303 groups on two sides of the cable 16 to be extruded together, each pair of limiting rings 304 is used for guiding the cables 16 to enter between the traction rubber wheels 303, when the traction rubber wheels 303 move to be in place under the pushing of the adjusting push rods 307, the two pairs of limiting rings 304 are also closed under the pushing of the pushing springs 302, the front end and the rear end of each limiting ring 304 are respectively integrally formed with arc-shaped guide sheets which are convenient for the cables 16 to move back and forth, the guide sheets which are bent outwards can effectively avoid the cables 16 to be blocked when entering and exiting, rubber shock pads are fixedly arranged on the contact surfaces between the two limiting rings 304 which are relatively pressed, rubber rings used for increasing friction force between the cables 16 are wrapped on the outer sides of the traction rubber wheels 303, the traction rubber wheels 303 and the supporting frames 305 are rotatably arranged through bearings, the side surfaces of the underframe 12 are fixedly provided with bearing plates 11 used for placing balancing weights, the balancing weights can be placed according to use requirements as long as the underframe 12 can not displace during work, under the condition of conditional condition, the underframe 12 can be directly fixed on the ground through fixing parts such as fixing piles or bolts, the inserted link 13 for inserting the fixed connecting frame 1 is inserted and installed on the underframe 12, the pull rod 15 is fixedly installed at the tail end of the inserted link 13, the pull rod 15 is fixed with the underframe 12 through the pushing spring 14, and the inserted link 13 can be pulled out from the connecting frame 1 only by pulling the pull rod 15 outwards, so that the underframe 12 is separated from the connecting frame 1, and the dead weight of the device when the device is hung on a cable can be effectively lightened;
referring to fig. 2 and 4, the first ultrasonic detecting device 4 includes an arc-shaped fixing ring 403 fixed to the connecting frame 1 and used for penetrating the cable 16, a rotating gear ring 405 is rotatably mounted on the arc-shaped fixing ring 403, a main motor 401 is fixedly mounted on the connecting frame 1, a driving gear 404 engaged with the rotating gear ring 405 is driven at an output end of the main motor 401, a first ultrasonic detecting probe 402 used for detecting a thickness of a film layer on the cable 16 is fixedly mounted on the driving gear 404, an opening facilitating the cable 16 to enter a center of the arc-shaped fixing ring 403 is formed in a bottom of the arc-shaped fixing ring 403, the rotating gear ring 405 is an arc-shaped gear ring with an arc degree smaller than three hundred degrees, at least three first ultrasonic detecting probes 402 are uniformly mounted on the rotating gear ring 405, and the traction motor 301 and the main motor 401 are stepping motors;
referring to fig. 1 and 6, a controller 8, a speaker 9, a display 10 and a second ultrasonic detecting device 2 for detecting the thickness of the coating layer on the cable 16 are fixedly mounted on the handset 7, and the controller 8 is respectively and electrically connected with the second ultrasonic detection device 2, the traction motor 303, the adjusting push rod 307, the main motor 401, the first ultrasonic detection probe 402, the loudspeaker 9 and the display 10, the controller 8 is an ARM single-chip microcomputer controller, the adjusting push rod 307 is an electric push rod, the supporting frames 305 on the traction units 3 respectively positioned at the front and rear ends of the first ultrasonic detection device 4 on the connecting frame 1 are fixedly connected through the connecting rod 5, and a pull handle 6 which is convenient to carry is fixedly arranged on the connecting rod 5, the second ultrasonic detection device 2 comprises a pair of clamping arms 204 which are hinged with the hand-held device 7, and the tail ends of the two clamping arms 204 form a clamping ring 201 for clamping the cable 16, a second ultrasonic detection probe 202 for detecting the thickness of the coating layer on the cable 16 is arranged on the clamping ring 201, and the two clamping arms 204 are connected through a return spring 203, the second ultrasonic detection probe 202 is electrically connected with the controller 8, the inside of the hand-held device 7 is also provided with components such as a transducer matched with the first ultrasonic detection probe 402 and the second ultrasonic detection probe 202, thus forming a complete ultrasonic detection system, the controller 8 is correspondingly internally provided with a corresponding ultrasonic processing program, the data detected by the first ultrasonic detection probe 402 and the second ultrasonic detection probe 202 can be converted into visual data or images, the operator can conveniently review, the detection principle and the internal corresponding structure of the ultrasonic detection part of the equipment can refer to the ultrasonic thickness measuring instrument commonly used in the market.
A measuring process of a grounding down-lead film thickness detection tool comprises the following steps:
s1, fixing a cable: when at least one of the two ends of the cable 16 to be detected is fixed, the underframe 12 is disassembled, the cable 16 is tensioned and fixed, the limiting rings 304 of the device are aligned with the cable 16, and the two pairs of traction rubber wheels 303 are clamped with the cable 16 by using the traction unit 3, so that the components on the connecting frame 1 can be suspended on the cable 16, the traction motor 301 can drive the device to advance or retreat along the cable 16 when working, and when the two ends of the cable 16 are not fixed, the connecting frame 1 is fixed on the ground by using the underframe 12, the cable 16 is placed between the two pairs of limiting rings 304 and clamped by using the two pairs of traction rubber wheels 303, and the cable 16 can be driven to advance or retreat along the centers of the two pairs of limiting rings 304 when the traction motor 301 works;
s2, automatic detection: after the cable 16 is fixed with the device, an operator manually operates the handheld device 7 and utilizes the controller 8 to give a corresponding working instruction, then the device and the cable 16 are driven by the traction motor 301 to perform relative movement, at this time, the cable 16 slowly passes through the position of the first ultrasonic detection probe 402, meanwhile, two pairs of traction units 3 positioned at the front and rear sides of the first ultrasonic detection device 4 can ensure that the cable 16 positioned between the two pairs of traction rubber wheels 303 is always in a tensioning state, then the main motor 401 starts to drive the rotary gear ring 405 to repeatedly rotate forward and backward along the arc-shaped fixed ring 403, so that the first ultrasonic detection probe 402 can periodically rotate left and right along the cable 16, the thickness of a film coating layer on the cable 16 is detected in the moving process, the detection result can be displayed through the display 10, and a notification is sent through the loudspeaker 9 when the detection is failed, at this time, the operator can mark the current position until the operator gives a continuous working instruction, and the detection work can be continued again until the detection is completed;
s3, manual detection: the operator separates the cable 16 from the traction rubber wheel 303 through the controller 8, then picks up the handheld device 7 again to manually detect the area marked with the problem on the cable 16 through the second ultrasonic detection device 2, simultaneously manually detects the area incapable of being automatically detected on the cable 16, marks the part with the problem detected again, and finally checks the position of all the areas to be detected on the cable 16;
s4, repairing: after the detection is finished, an operator temporarily packs the detection equipment, removes and repairs the covering film layer with the detected problem, detects the repair area by using the equipment again after the repair is finished, marks the area with the detected problem again, removes and repairs the area, and repeats the process until all the repairs are finished.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a ground connection downlead tectorial membrane thickness detects frock which characterized in that, this detects frock includes:
the connecting frame (1), two pairs of traction units (3) are symmetrically arranged at the front end and the rear end of the connecting frame (1), the traction units (3) comprise a supporting frame (305), an adjusting push rod (307) is fixedly arranged on the supporting frame (305), the output end of the adjusting push rod (307) is driven to be connected with the connecting frame (1), a guide post (306) is slidably arranged on the supporting frame (305), a limiting ring (304) for limiting a cable (16) is fixedly arranged at the tail end of the guide post (306), the limiting ring (304) is connected with the supporting frame (305) through a jacking spring (302), a traction motor (301) is fixedly arranged on the supporting frame (305), a traction rubber wheel (303) for clamping and driving the cable (16) to move is driven at the output end of the traction motor (301), and a chassis (12) is arranged at the lower end of the connecting frame (1) in a detachable connection mode;
the device comprises a first ultrasonic detection device (4), wherein the first ultrasonic detection device (4) comprises an arc-shaped fixed ring (403) which is fixed with a connecting frame (1) and is used for penetrating a cable (16), a rotary gear ring (405) is rotatably arranged on the arc-shaped fixed ring (403), a main motor (401) is fixedly arranged on the connecting frame (1), a driving gear (404) which is in meshed connection with the rotary gear ring (405) is driven by the output end of the main motor (401), and a first ultrasonic detection probe (402) which is used for detecting the thickness of a coating layer on the cable (16) is fixedly arranged on the driving gear (404);
the mobile phone comprises a handheld device (7), wherein a controller (8), a loudspeaker (9), a display (10) and a second ultrasonic detection device (2) for detecting the thickness of a film coating layer on a cable (16) are fixedly arranged on the handheld device (7), and the controller (8) is electrically connected with the second ultrasonic detection device (2), a traction motor (303), an adjusting push rod (307), a main motor (401), a first ultrasonic detection probe (402), the loudspeaker (9) and the display (10) respectively.
2. The ground lead cover film thickness detection tool of claim 1, wherein: the second ultrasonic detection device (2) comprises a pair of clamping arms (204) hinged to the handheld device (7), clamping rings (201) used for clamping the cable (16) are formed at the tail ends of the two clamping arms (204), a second ultrasonic detection probe (202) used for detecting the thickness of a film coating layer on the cable (16) is installed on the clamping rings (201), the two clamping arms (204) are connected through a reset spring (203), and the second ultrasonic detection probe (202) is electrically connected with the controller (8).
3. The ground lead cover film thickness detection tool of claim 1, wherein: the side fixed mounting of chassis (12) has bearing plate (11) that are used for placing the balancing weight, and peg graft on chassis (12) and install inserted bar (13) that are used for pegging graft fixed connection frame (1), the terminal fixed mounting of inserted bar (13) has pull rod (15), and pull rod (15) are fixed with chassis (12) through pushing spring (14).
4. The ground lead cover film thickness detection tool of claim 1, wherein: the outside of traction rubber wheel (303) parcel has the rubber circle that is used for increasing the frictional force with cable (16), and rotates through the bearing between traction rubber wheel (303) and support frame (305).
5. The ground lead cover film thickness detection tool of claim 1, wherein: the connecting frame (1) is respectively positioned between the supporting frames (305) on the traction units (3) at the front end and the rear end of the first ultrasonic detection device (4) and fixedly connected with each other through the connecting rod (5), and the pull handle (6) convenient to carry is fixedly arranged on the connecting rod (5).
6. The ground lead cover film thickness detection tool of claim 1, wherein: the controller (8) is an ARM single-chip microcomputer controller, and the adjusting push rod (307) is an electric push rod.
7. The ground lead cover film thickness detection tool of claim 1, wherein: the bottom of arc retainer plate (403) is provided with the opening that makes things convenient for cable (16) to get into arc retainer plate (403) center, and rotates ring gear (405) and be the arc ring gear that the circular arc degree is less than three hundred degrees.
8. The ground lead cover film thickness detection tool of claim 1, wherein: at least three first ultrasonic detection probes (402) are uniformly distributed on the rotary gear ring (405), and the traction motor (301) and the main motor (401) are stepping motors.
9. The ground lead cover film thickness detection tool of claim 1, wherein: the front end and the rear end of the limiting rings (304) are respectively integrally formed with an arc-shaped guide piece which is convenient for the cable (16) to move forwards and backwards, and rubber shock pads are fixedly arranged on the contact surface between the two limiting rings (304) which are relatively pressed.
10. A process for measuring the thickness of a cover film of a ground lead according to any one of claims 1 to 9, comprising the steps of:
s1, fixing a cable: when at least one section of the cable (16) to be detected is fixed, the underframe (12) is dismounted at the moment, then the cable (16) is tensioned and fixed, then the limiting rings (304) are aligned with the cable (16) and two pairs of traction rubber wheels (303) are used for clamping the cable (16) by the traction unit (3), so that components on the connecting frame (1) can be suspended on the cable (16), when the traction motor (301) works, the driving equipment can move forwards or backwards along the cable (16), and when the two ends of the cable (16) are not fixed, the connecting frame (1) is fixed on the ground by the underframe (12), then the cable (16) is placed between the two pairs of limiting rings (304) and clamped by the two pairs of traction rubber wheels (303), and when the traction motor (301) works, the cable (16) can move forwards or backwards along the centers of the two pairs of limiting rings (304);
s2, automatic detection: when the cable (16) and the equipment are fixed, an operator manually operates the hander (7) and utilizes the controller (8) to give corresponding working instructions, then the equipment and the cable (16) are driven by the traction motor (301) to perform relative movement, at the moment, the cable (16) slowly passes through the position where the first ultrasonic detection probe (402) is positioned, two pairs of traction units (3) positioned at the front side and the rear side of the first ultrasonic detection device (4) can ensure that the cable (16) positioned between the two pairs of traction rubber wheels (303) is always in a tensioning state, then the main motor (401) starts to drive the rotary gear ring (405) to perform repeated forward and reverse rotation along the arc-shaped fixed gear (403), so that the first ultrasonic detection probe (402) can periodically perform left and right rotary movement along the cable (16), the thickness detection of a film layer on the cable (16) at the moment can be performed through the display (10), and when the detection is failed, a notification can be sent through the loudspeaker (9), the detection is also sent, the operator can pause detection mark, and the current operation instructions can be continued until the operator can continue to detect the working instructions;
s3, manual detection: the operator separates the cable (16) from the traction rubber wheel (303) through the controller (8), then picks up the handheld device (7) again, and carries out manual detection on the area marked with the problem on the cable (16) through the second ultrasonic detection device (2), and simultaneously carries out manual detection on the area incapable of carrying out automatic detection on the cable (16), marks the part with the problem detected again until all the areas to be detected on the cable (16) are inspected to be the finished positions;
s4, repairing: after the detection is finished, an operator temporarily packs the detection equipment, removes and repairs the covering film layer with the detected problem, detects the repair area by using the equipment again after the repair is finished, marks the area with the detected problem again, removes and repairs the area, and repeats the process until all the repairs are finished.
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| CN111562314A (en) * | 2020-06-12 | 2020-08-21 | 武汉网锐检测科技有限公司 | Cable outer protective layer detection device |
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| CN112124289A (en) * | 2020-10-12 | 2020-12-25 | 山东理工大学 | Real-time detection method for thickness of brake pad of automobile multi-piston caliper |
| CN112615311A (en) * | 2020-12-28 | 2021-04-06 | 海南电网有限责任公司琼海供电局 | Fault point positioning device for power transmission line inspection |
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| CN112124289A (en) * | 2020-10-12 | 2020-12-25 | 山东理工大学 | Real-time detection method for thickness of brake pad of automobile multi-piston caliper |
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| CN115930853A (en) | 2023-04-07 |
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