CN111508098A - Cable inspection device - Google Patents
Cable inspection device Download PDFInfo
- Publication number
- CN111508098A CN111508098A CN202010363683.2A CN202010363683A CN111508098A CN 111508098 A CN111508098 A CN 111508098A CN 202010363683 A CN202010363683 A CN 202010363683A CN 111508098 A CN111508098 A CN 111508098A
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- cable
- pulley
- inspection device
- clamping screw
- detection box
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- 238000007689 inspection Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000007306 turnover Effects 0.000 claims abstract description 37
- 238000001514 detection method Methods 0.000 claims abstract description 32
- 230000008878 coupling Effects 0.000 claims abstract description 31
- 238000010168 coupling process Methods 0.000 claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 claims abstract description 31
- 238000009434 installation Methods 0.000 claims description 13
- 239000003381 stabilizer Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 13
- 230000008569 process Effects 0.000 abstract description 12
- 230000005484 gravity Effects 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000022233 establishment of spindle orientation Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/20—Checking timed patrols, e.g. of watchman
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The invention provides a cable inspection device, which is used for detecting cables in the air, and comprises a detection box, at least three coupling mechanisms and at least three driving mechanisms, wherein the three coupling mechanisms and the driving mechanisms are uniformly distributed on the detection box along the cable direction, the driving mechanism comprises a bearing bracket and a turnover frame which is rotatably sleeved on the bearing bracket, the bearing bracket presses and holds the turnover frame to the detection box, the coupling mechanism comprises two clamping screw rods which are rotatably arranged on the inner wall of the turnover frame, pulleys which are matched and arranged on the clamping screw rods and a double-shaft motor which is fixedly arranged between the two clamping screw rods, the clamping screw rods are vertical to the cables, the pulleys are respectively arranged at two sides of the cables, the pulleys can move relative to the clamping screw rods, the gravity center of the coupling mechanism can be adjusted through the turnover of the turnover frame relative to the cables, and the distance between the pulleys is adjusted by matching with the driving, the detection box can be kept stable in the obstacle crossing process.
Description
Technical Field
The invention relates to the technical field of camera inspection, in particular to a cable inspection device.
Background
When examining high altitude cable, because the cable frame is in the high altitude, the detection means who adopts often makes a video recording for artifical range estimation or unmanned aerial vehicle and detects, artifical range estimation need detect with the help of observation equipment such as telescope, and cable laying is most longer, and crisscross complicacy in the air, the trend of cable is hardly cleared up to artifical range estimation, make a video recording through unmanned aerial vehicle and detect and admittedly can solve above-mentioned problem, but unmanned aerial vehicle's cost is too high, the environment that the cable was located is complicated, unmanned aerial vehicle is injured very easily, the detection cost is improved, for this patent number: CN201510650074.4 provides an overhead cable inspection robot's taking off line ware and method, specifically is to will patrol and examine the robot overlap joint through U type structure and hang to the cable to reach the purpose of taking on the line off the line fast through taking off the line ware, thereby realize patrolling and examining the robot and climb on the cable and advance, in order to accomplish the process of patrolling and examining to the cable. Foretell technical scheme is when implementing, patrols and examines the robot when the conversion climbing arm, because the focus of the robot conversion is too much, the robot very easily takes place to rock, leads to patrolling and examining the device and can not aim at the cable all the time, need wait for the robot and can carry out next displacement after comparatively stable, and then lead to patrolling and examining the process and spend a long time, and very easily take place the phenomenon of examining loudly among the testing process.
Disclosure of Invention
The invention provides a cable inspection device capable of avoiding shaking in the process of detecting a high-altitude cable.
The technical scheme adopted by the invention for solving the technical problems is as follows: a cable inspection device for detecting the cable in the air, the cable inspection device includes the detection box parallel to the cable setting, installs on the detection box and centre gripping the coupling mechanism of cable and order about the coupling mechanism is in the actuating mechanism of upset on the detection box, coupling mechanism and actuating mechanism have three at least, three coupling mechanism and actuating mechanism follow the cable direction is evenly laid on the detection box, actuating mechanism includes fixed mounting bear the support and rotatable cover on the detection box establish to the roll-over frame on bearing the support, bear the support and press the roll-over frame to on the detection box, coupling mechanism includes rotatable installation two clamp screw rods on the roll-over frame inner wall, cooperation installation to pulley and fixed mounting on the clamp screw rod two clamp screw rod between the biax motor, the clamping screw rod is perpendicular to the cable, the pulleys are arranged on two sides of the cable respectively, and the pulleys can move relative to the clamping screw rod.
Furthermore, the turnover frame is of a semi-cylindrical structure, the clamping screw rod is arranged along the radial direction of the turnover frame, one end of the clamping screw rod is rotatably arranged on the inner wall of the turnover frame, and the other end of the clamping screw rod is fixedly connected to the rotating shaft of the double-shaft motor.
Furthermore, a mounting plate is fixedly mounted in the turnover frame, and a machine body of the double-shaft motor is fixedly mounted on the mounting plate.
Furthermore, the coupling mechanism further comprises a ball nut which is sleeved on the clamping screw rod in a matching manner, the pulley is rotatably mounted on the ball nut, a rotation stopping groove is formed in the mounting plate, and the ball nut can extend into the rotation stopping groove.
Furthermore, install the rotation stopping post on the ball nut, the rotation stopping post deviates from the pulley setting, the rotation stopping post can stretch into in the rotation stopping groove.
Further, still install the pulley spindle on the ball nut, the pulley spindle orientation the cable sets up, the rotatable cover of pulley is established to on the pulley spindle.
Furthermore, the end part, far away from the ball nut, of the pulley shaft is detachably provided with a clamping screw, and the clamping screw and the pulley shaft clamp the pulley together.
Furthermore, one of every two symmetrical pulleys is internally provided with a brushless motor, and the brushless motor is arranged between the pulley shaft and the pulley.
Further, be equipped with on the detection case and be on a parallel with the mounting plane of cable, it includes and is on a parallel with to bear the weight of the support mounting plane's gag lever post and divide and establish the spacing collar at gag lever post both ends, fixedly connected with stabilizer blade on the spacing collar, stabilizer blade fixed mounting extremely on the mounting plane, it has the spacing groove to open along the axial on the upset frame, the upset frame passes through the rotatable cover in spacing groove is established extremely on the gag lever post.
Furthermore, actuating mechanism still includes the gear roller, the both ends of gear roller all can be relatively pivoted alternate extremely in the spacing collar, the outer wall of upset frame be provided with gear roller engaged with tooth.
The invention has the advantages that the rotation of the pulley on the cable can drive the detection box to slide along the cable, in the sliding process, when encountering an obstacle, the coupling mechanism turns over along the bearing bracket through the turning frame in the reverse direction along the advancing direction to change the gravity center of the coupling mechanism and then is matched with the double-shaft motor to adjust the distance between the pulleys, so that a distance capable of crossing obstacles is formed between the pulleys, the inspection device is moved at a fixed distance again, the pulleys are tightened by using the double-shaft motor after the opened pulleys cross the obstacles, the pulleys rotate the turnover frame again after clamping the cable again, the gravity center of the coupling mechanism is reset again, the three groups of coupling mechanisms and the driving mechanism can cross the obstacle after the processes are finished in sequence, in the process, two groups of coupling mechanisms and driving mechanisms are clamped on the pulleys all the time, so that the inspection device is always parallel to the cable, and the inspection effect of the inspection device is guaranteed.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a perspective view of the cable inspection device of the present invention;
FIG. 2 is a top view of the flipping mechanism of FIG. 1;
FIG. 3 is a cross-sectional view taken along A-A in FIG. 2;
FIG. 4 is a top view of the coupling device and flip frame of FIG. 1;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
in the figure:
Gear roller 330 spacing rod 311 spacing ring 312
Supporting leg 313 limiting groove 321 tooth 322
Double-shaft motor 220 ball nut 230 pulley 240
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
As shown in fig. 1 to 5, the present invention provides a cable inspection apparatus 100 for inspecting a cable 200 in the air, the cable inspection apparatus 100 including a detection box 10, a coupling mechanism 20 mounted on the detection box 10 and clamping the cable 200, and a driving mechanism 30 driving the coupling mechanism 20 to be turned over on the detection box 10. The detection box 10 includes a power module, a camera module and a real-time transmission module, and preferably, the power module includes a lithium battery as an electricity storage device. The coupling mechanism 20, the driving mechanism 30, the camera module and the real-time transmission module are all electrically connected to the lithium battery of the power module, the camera module can take a picture of the cable 200, the real-time transmission module can transmit an image of the camera module to a data terminal through a data network in real time, and the specific camera module and the electronic device included in the real-time transmission module are not specifically limited in this embodiment.
The detection box 10 further comprises a housing 110 for accommodating the power module, the camera module and the real-time transmission module, the housing 110 is provided with a mounting plane 111 parallel to the cable 200, the number of the coupling mechanisms 20 and the number of the driving mechanisms 30 are three, the three coupling mechanisms 20 and the three driving mechanisms 30 are uniformly arranged on the mounting plane along the length direction, and the housing 110 is preferably a rectangular shell-shaped structure.
The driving mechanism 30 includes a supporting frame 310 fixedly mounted on the mounting plane 111, a turning frame 320 sleeved on the supporting frame 310, and a gear roller 330 for driving the turning frame 320 to rotate.
The bearing bracket 310 comprises a limiting rod 311 arranged parallel to the installation plane 111 and limiting rings 312 respectively arranged at two ends of the limiting rod 311, a supporting leg 313 far away from the limiting rod 311 is fixedly connected to the limiting ring 312, the supporting leg 313 is fixedly installed on the installation plane 111, and the limiting rod 311 and the limiting ring 312 are both fixedly installed on the installation plane 111 through the supporting leg 313.
The turnover frame 320 is of a semi-cylindrical structure, the turnover frame 320 is provided with a limiting groove 321, the limiting groove 321 penetrates through two side surfaces of the turnover frame 320 along the axis direction, the groove width of the limiting groove 321 and the diameter of the limiting rod 311 are in clearance fit, and further, the turnover frame 320 is sleeved on the limiting rod 311 through the limiting groove 321 in a relatively sliding manner. Teeth 322 are convexly arranged on the circumferential wall of the outer side of the turnover frame 320, the teeth 322 are parallel to the axial direction of the turnover frame 320, and the teeth 322 are uniformly distributed along the circumferential direction of the turnover frame 320. It can be understood that the turnover frame 320 slides back and forth in the circumferential direction under the penetrating and pressing of the limiting rod 311.
Preferably, the driving mechanism 30 further includes a motor assembly 340, the motor assembly 340 includes a turning motor 331 fixedly connected to the limiting posts 314 and motor bases 332 respectively disposed at two sides of the supporting bracket 310, the motor bases 332 are fixedly mounted on the mounting plane 111, the turning motor 331 is preferably a variable frequency motor, the turning motor 331 is electrically connected to the power module, an axis of the turning motor 331 is coaxial with an axis of the gear roller 330, a body of the turning motor 331 is fixedly mounted in one of the motor bases 332, one of rotating shafts of the turning motor 331 is fixedly connected to the limiting post 331, and the other limiting post 314 is rotatably inserted into the other motor base 332. It can be understood that, when the flipping motor 331 is activated, the gear roller 330 is driven to rotate, and the flipping frame 320 is driven to make a pendulum-type sliding motion relative to the supporting frame 310 through the engagement between the gear roller 330 and the teeth 322.
The inner wall of the turning frame 320 is provided with symmetrically arranged rotating bases 323, and the axial direction of the rotating bases 323 is distributed along the radial direction of the turning frame 320.
The coupling mechanism 20 includes two rotatable clamping screws 210 inserted into the rotating base 323, a double-shaft motor 220 fixedly installed between the two clamping screws 210, a ball nut 230 fittingly fitted over the clamping screws 210, and a pulley 240 rotatably installed on the ball nut 230. The dual-shaft motor 220 is electrically connected to the power module.
The directions of the threads on the clamping screw 210 are opposite, one end of the clamping screw 210 can be inserted into the rotating base 323 in a relatively sliding manner, the other end of the clamping screw 210 is fixedly connected to a rotating shaft of the dual-shaft motor 220, the axis of the dual-shaft motor 220 and the axis of the clamping screw 210 are collinear, a pulley shaft 231 is arranged on the ball nut 230 in a protruding manner, the pulley shaft 231 faces the cable 200 when in use, the pulley shaft 231 is arranged on the end face departing from the inner wall of the turnover frame 320, the pulley 240 can be installed onto the pulley shaft 231 in a relatively rotating manner, preferably, a brushless motor (not shown) is fixedly installed inside one pulley 240 of every two symmetrical pulleys 240, the brushless motor is electrically connected to the power module, the brushless motor is installed between the pulley 240 and the pulley shaft 231, and the brushless motor can drive. It can be understood that after the dual-shaft motor 220 is started, the ball nuts 230 are driven by the rotation of the clamping screw 210 to move along the axial direction of the clamping screw 210, and the rotation directions of the threads on the clamping screw 210 are opposite, so that the ball nuts 230 can move away from or close to each other, and the pulleys 240 are driven to move away from or close to each other.
Preferably, an installation plate 321 parallel to the clamping screw 210 is fixedly installed on an inner wall of the turning frame 320, the installation plate 321 is arranged parallel to the clamping screw 210, a body of the dual-shaft motor 220 is fixedly installed on the installation plate 321, a rotation stopping groove 324 corresponding to the ball nut 230 is formed in the installation plate 321, the rotation stopping groove 324 is arranged parallel to the clamping screw 210, and the ball nut 230 can relatively slidably extend into the rotation stopping groove 324.
Preferably, the ball nut 231 is fixedly installed with a rotation stopping post 232, the rotation stopping post 232 can be inserted into the rotation stopping groove 324, and the rotation stopping post 232 is disposed toward the inner wall of the turnover frame 320. It will be appreciated that when the ball nut 231 is driven to move by the clamping screw 210, the rotation stop column 232 of the ball nut 231 is limited by the rotation stop groove 324 and can only slide along the rotation stop groove 324, so as to drive the pulley 240 to move along the clamping screw 210.
Preferably, the pulley shaft 231 is provided with an installation hole 233 on the end surface deviating from the installation plate 321, a clamping screw 234 is detachably installed in the installation hole 233, and the clamping screw 234 and the pulley shaft 231 clamp the limiting pulley 240 together, so as to prevent the limiting pulley 240 from shaking when rotating.
When the cable inspection device 100 is used, the three turnover frames 320 are uniformly distributed along the direction of the cable 200, the turnover motor 331 in the turnover mechanism 30 is started, the turnover motor 331 drives the turnover frames 320 to rotate to the limit position, namely, the gravity center of the turnover frames 320 is adjusted to the cable 200, the pulleys 240 are respectively arranged on two sides of the cable 200 along the gravity direction of the turnover frames 320, and then the double-shaft motor 220 is started, so that the clamping screws 210 on two ends of the double-shaft motor 220 rotate, and the ball nut 230 and the pulley 230 are driven to move close to each other until the two pulleys 240 are clamped to the cable 200. The brushless motor in the pulley 240 is started, the brushless motor drives the pulley 240 to roll on the cable 200, the pulley 240 is driven to move along the cable 200 by means of friction force between the cable 200 and the pulley 240, the detection box 10 is driven to move along the cable 200, the camera module in the detection box 10 carries out camera detection on the cable 200, and images formed by camera shooting are transmitted to the mobile terminal in real time by the real-time transmission module.
When the cable 200 is inspected and an obstacle such as a shockproof hammer or a wire clamp on the cable 200 is touched, the driving mechanism 30 which touches the obstacle is started firstly, the turnover frame 320 is rotated by 90 degrees, the pulley 240 on the turnover frame 320 is changed from a state vertical to the cable 200 to a state parallel to the cable 200, the double-shaft motor 220 is started, the two pulleys 240 are separated from each other through the driving of the two clamping screw rods 210, the pulley 240 which is separated from the obstacle continues to rotate until the pulley 240 in the open state passes over the obstacle, the double-shaft motor 220 is started again, the pulley 240 can clamp the cable 200 again, the turnover frame 320 is driven to rotate again to a state vertical to the cable 200, the steps are repeated until the turnover frame 320 and the pulley 240 which do not pass over the obstacle, and the obstacle crossing process is completed until the three groups of coupling mechanisms 20 and the driving mechanism 30 both pass over the obstacle.
In the obstacle crossing process, the two groups of coupling mechanisms 20 and the driving mechanism 30 are clamped on the cable 200 all the time, so that the detection box 10 can be guaranteed to be parallel to the cable 200 all the time in the gravity direction, the detection box 10 is prevented from shaking relative to the cable 200, the camera module is prevented from shaking relative to the cable 200, the inspection process is guaranteed to be stably carried out, meanwhile, the uniform movement along the cable 200 can be realized, and the phenomenon of missed inspection in the inspection process is avoided.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A cable inspection device for detecting a cable (200) in the air, characterized in that: the cable inspection device comprises a detection box (10) parallel to the cable (200), a driving mechanism (30) arranged on the detection box (10) and clamping the coupling mechanism (20) of the cable (200) and driving the coupling mechanism (20) to overturn on the detection box (10), wherein the coupling mechanism (20) and the driving mechanism (30) are at least three, the coupling mechanism (20) and the driving mechanism (30) are uniformly arranged on the detection box (10) along the direction of the cable (200), the driving mechanism (30) comprises a bearing bracket (310) fixedly arranged on the detection box (10) and an overturning frame (320) rotatably sleeved on the bearing bracket (310), the bearing bracket (310) is pressed on the overturning frame (320) to the detection box (10), coupling mechanism (20) including rotatable installation two tight lead screw (210) of clamp on upset frame (320) inner wall, cooperation install extremely press from both sides pulley (240) on tight lead screw (210) and fixed mounting two double-shaft motor (220) between tight lead screw (210), press from both sides tight lead screw (210) perpendicular to cable (200) set up, pulley (240) are established respectively the both sides of cable (200), pulley (240) can be relative press from both sides tight lead screw (210) and remove.
2. The cable inspection device according to claim 1, wherein: the turnover frame (320) is of a semi-cylindrical structure, the clamping screw rod (210) is arranged along the radial direction of the turnover frame (320), one end of the clamping screw rod (210) is rotatably arranged on the inner wall of the turnover frame (320), and the other end of the clamping screw rod (210) is fixedly connected to the rotating shaft of the double-shaft motor (220).
3. The cable inspection device according to claim 1, wherein: the turnover device is characterized in that a mounting plate (321) is fixedly mounted in the turnover frame (320), and a machine body of the double-shaft motor (220) is fixedly mounted on the mounting plate (321).
4. The cable inspection device according to claim 3, wherein: the coupling mechanism (20) further comprises a ball nut (230) which is sleeved on the clamping screw rod (210) in a matching mode, the pulley (240) is rotatably mounted on the ball nut (230), a rotation stopping groove (234) is formed in the mounting plate (321), and the ball nut (230) can extend into the rotation stopping groove (234).
5. The cable inspection device according to claim 4, wherein: the ball nut (230) is provided with a rotation stopping column (232), the rotation stopping column (232) deviates from the pulley (240), and the rotation stopping column (232) can extend into the rotation stopping groove (234).
6. The cable inspection device according to claim 4, wherein: the ball nut (230) is further provided with a pulley shaft (231), the pulley shaft (231) faces the cable (200), and the pulley (240) is rotatably sleeved on the pulley shaft (231).
7. The cable inspection device according to claim 6, wherein: the end part of the pulley shaft (231) far away from the ball nut (230) is detachably provided with a clamping screw (234), and the clamping screw (234) and the pulley shaft (231) jointly clamp the pulley (240).
8. The cable inspection device according to claim 7, wherein: and a brushless motor is arranged in one pulley (240) of every two symmetrical pulleys (240), and is arranged between the pulley shaft (231) and the pulley (240).
9. The cable inspection device according to claim 1, wherein: be equipped with on detection case (10) and be on a parallel with mounting plane (111) of cable (200), bear support (310) including be on a parallel with gag lever post (311) of mounting plane (111) and establish separately gag lever post (312) at gag lever post (311) both ends, fixedly connected with stabilizer blade (313) on gag lever post (312), stabilizer blade (313) fixed mounting extremely on mounting plane (111), it has spacing groove (321) to open along the axial on upset frame (320), upset frame (320) pass through the rotatable cover in spacing groove (321) is established extremely on gag lever post (311).
10. The cable inspection device according to claim 9, wherein: actuating mechanism (30) still include gear roller (330), the both ends of gear roller (330) all can be relatively pivoted alternate extremely in spacing collar (312), the outer wall of upset frame (320) be provided with gear roller (330) engaged with tooth (322).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363683.2A CN111508098A (en) | 2020-04-30 | 2020-04-30 | Cable inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010363683.2A CN111508098A (en) | 2020-04-30 | 2020-04-30 | Cable inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111508098A true CN111508098A (en) | 2020-08-07 |
Family
ID=71869715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010363683.2A Withdrawn CN111508098A (en) | 2020-04-30 | 2020-04-30 | Cable inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111508098A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607022A (en) * | 2020-12-29 | 2021-04-06 | 国网山东省电力公司蒙阴县供电公司 | Power transmission and distribution line inspection device |
| CN113176002A (en) * | 2021-06-11 | 2021-07-27 | 国网山东省电力公司德州供电公司 | Monitoring devices for fire control based on power cable |
-
2020
- 2020-04-30 CN CN202010363683.2A patent/CN111508098A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112607022A (en) * | 2020-12-29 | 2021-04-06 | 国网山东省电力公司蒙阴县供电公司 | Power transmission and distribution line inspection device |
| CN112607022B (en) * | 2020-12-29 | 2021-11-16 | 国网山东省电力公司蒙阴县供电公司 | Power transmission and distribution line inspection device |
| CN113176002A (en) * | 2021-06-11 | 2021-07-27 | 国网山东省电力公司德州供电公司 | Monitoring devices for fire control based on power cable |
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Application publication date: 20200807 |