CN112304231A - Device and method for detecting corrosion degree of overhead stranded wire - Google Patents
Device and method for detecting corrosion degree of overhead stranded wire Download PDFInfo
- Publication number
- CN112304231A CN112304231A CN202011301201.7A CN202011301201A CN112304231A CN 112304231 A CN112304231 A CN 112304231A CN 202011301201 A CN202011301201 A CN 202011301201A CN 112304231 A CN112304231 A CN 112304231A
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- stranded wire
- overhead
- overhead stranded
- walking
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- 230000007797 corrosion Effects 0.000 title claims abstract description 50
- 238000005260 corrosion Methods 0.000 title claims abstract description 50
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005498 polishing Methods 0.000 claims abstract description 49
- 238000003825 pressing Methods 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 239000004020 conductor Substances 0.000 claims description 12
- 241000272165 Charadriidae Species 0.000 claims description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/08—Measuring arrangements characterised by the use of optical techniques for measuring diameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a device and a method for detecting corrosion degree of an overhead stranded wire, wherein the device comprises a base, and a walking device, a polishing device, a pressing device and a camera device which are arranged on the base, wherein the walking device comprises at least two walking rollers, and the walking rollers are driven to rotate by a walking motor, so that each walking roller walks on the overhead stranded wire; the surface corrosion layer of the overhead stranded wire is polished by a polishing device, and the polishing device can rotate in a horizontal plane; the pressing device is arranged below the walking device, and the pressing wheel can selectively press the overhead stranded wire upwards or separate from the overhead stranded wire downwards; the camera device comprises a camera, and the camera is used for shooting pictures for the overhead stranded wire positioned above the camera. The invention has the advantages that: the corrosion degree of the overhead stranded wire can be conveniently and quickly detected.
Description
Technical Field
The invention relates to the field of overhead transmission line detection, in particular to a device and a method for detecting the corrosion degree of an overhead stranded wire.
Background
The overhead stranded wire comprises a conducting wire and a ground wire, wherein the conducting wire conductor generally adopts aluminum wires or aluminum alloy wires, and in order to improve the strength, the conductor needs to be twisted with the aluminum alloy wires, galvanized steel wires and aluminum-clad steel wires to manufacture the conducting wire; the ground wire is generally made by twisting galvanized steel wires and aluminum-clad steel wires. The lead and the ground wire are easy to corrode under the condition of severe atmospheric corrosion, and the safety of a power system is endangered. And the corrosion degree of the overhead stranded wire is difficult to detect due to the fact that the overhead stranded wire has a certain height from the ground.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device and a method for detecting the corrosion degree of an overhead stranded wire, so as to realize the purpose of detecting the corrosion degree of the overhead stranded wire.
The invention is realized by the following technical scheme:
a device for detecting the corrosion degree of an overhead stranded wire comprises a base, wherein a walking device, a polishing device, a pressing device and a camera device are arranged on the base;
the walking device comprises at least two walking rollers, each walking roller is arranged side by side along the front and back direction, and each walking roller is driven to rotate by a respective walking motor, so that each walking roller walks on the overhead stranded wire;
the grinding device is arranged in front of the walking device, and is used for grinding the corrosion layer on the surface of the overhead stranded wire, and the grinding device can rotate in the horizontal plane;
the pressing device is arranged below the walking device and comprises at least two pressing wheels, the bottom of the base is provided with a connecting rod extending downwards, each pressing wheel is arranged on the connecting rod, and each pressing wheel is driven by the first driving mechanism to move up and down, so that the pressing wheels press the overhead stranded wire upwards or separate from the overhead stranded wire downwards;
the camera device is arranged below the pressing device and comprises a camera, a battery bin is arranged at the bottom of the connecting rod, a battery is arranged inside the battery bin, the camera is arranged on the battery bin, and the camera is used for shooting pictures for the overhead stranded wire above the camera.
Further, grinding device is including polishing the support, and it has a vertical pivot of extending to rotate to install on polishing the support, and it is rotatory through second actuating mechanism drive pivot, and pivot one side is fixed with a horizontal connecting rod, and a grinding motor is installed to the outer end of horizontal connecting rod, is equipped with a steel brush of polishing on the output shaft of grinding motor bottom, and it is rotatory to drive the steel brush of polishing through grinding motor, realizes polishing built on stilts stranded conductor surface corrosion coating.
Further, a driving mechanism comprises a pressing motor, a pressing screw rod and a pressing support, the pressing motor is installed on the connecting rod, an output shaft of the pressing motor vertically extends upwards and is fixedly connected with the pressing screw rod, a screw nut is connected to the pressing screw rod in a threaded manner, the screw nut and the pressing support are fixedly connected, the pressing support is arranged on the connecting rod in a sliding manner and can vertically slide along the connecting rod, and the pressing rollers are installed on the pressing support side by side in the front and at the back.
Furthermore, a circle of walking grooves are formed in the outer circumference of each walking roller, and the walking rollers are slidably embedded on the overhead stranded wires through the walking grooves.
Further, the camera is arranged on the battery compartment in a manner of extending obliquely upwards.
The invention also discloses a method for detecting the corrosion degree of the overhead stranded wire, which is based on the device for detecting the corrosion degree of the overhead stranded wire, and the method comprises the following steps:
placing each walking roller on an overhead stranded wire to enable the whole device to be hung on the overhead stranded wire, and horizontally rotating a polishing device to enable the polishing device to be separated from the overhead stranded wire;
step two, each walking roller is driven to rotate by each walking motor, so that each walking roller walks on the overhead stranded wire, and when the device walks to a stranded wire detection section to be detected, each walking motor is controlled to stop, and the device stays at the stranded wire detection section; if the stranded wire detection section does not need to be polished, entering a third step; if the stranded wire detection section needs to be polished, entering the fourth step;
thirdly, shooting pictures of the aerial stranded wires at the stranded wire detection section by a camera to obtain a picture of the non-polished aerial stranded wires, taking any part in the shot device in the picture of the non-polished aerial stranded wires as a standard reference object, calculating the actual test diameter Dr of the aerial stranded wires according to the size of the standard reference object and calculating the corrosion degree C of the non-polished aerial stranded wires according to the following formula I:
wherein C is the corrosion degree of the overhead stranded wire, Dr is the actual test diameter of the non-polished overhead stranded wire, and D is the initial diameter of the overhead stranded wire;
horizontally rotating the polishing device, so that the polishing device is arranged right above the overhead stranded wire, starting the polishing device to polish the surface corrosion layer of the overhead stranded wire, and rotating the polishing device to leave the overhead stranded wire after polishing is finished; then, a camera is used for shooting pictures of the polished overhead stranded wire at the stranded wire detection section to obtain a polished overhead stranded wire picture, any part in a device shot in the polished overhead stranded wire picture is used as a standard reference object, the size of the known standard reference object is used for calculating the actual test diameter Drm of the overhead stranded wire in proportion, and the corrosion degree C of the polished overhead stranded wire is calculated according to the following formula II:
wherein, C is built on stilts stranded conductor corrosion degree, and Drm is the actual test diameter of built on stilts stranded conductor after polishing, and D is the initial diameter of built on stilts stranded conductor.
Compared with the prior art, the invention has the following advantages:
according to the device and the method for detecting the corrosion degree of the overhead stranded wire, the whole device can be controlled to walk or stay on the overhead stranded wire through the walking device, the overhead stranded wire can be selectively polished or not polished through the rotatable polishing device, and the overhead stranded wire is upwards compressed through the compression wheel of the compression device during polishing, so that the polishing is more sufficient; the camera is used for shooting pictures of the overhead stranded wire, and the actual measurement diameter of the overhead stranded wire can be obtained according to the proportion by comparing the sizes of the standard reference objects, so that the corrosion degree of the overhead stranded wire can be obtained. The whole device is simple in structure and reasonable in layout, the detection method is simple, convenient and quick to operate, and the corrosion degree of any part of the overhead stranded wire can be detected.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a top view of the present invention.
Reference numbers in the figures: 1, a base; 2, walking rollers; 3, a walking motor; 4, a walking groove; 5, overhead stranded wire; 6, polishing the bracket; 7, a rotating shaft; 8 horizontal connecting rods; 9, polishing the motor; 10, polishing the steel wire brush; 11, a pinch roller; 12 connecting rods; 13 compacting the motor; 14, pressing the screw rod; 15 pressing the bracket; 16 cameras; 17 battery compartment.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
Referring to fig. 1 to 2, the embodiment discloses a device for detecting corrosion degree of an overhead stranded wire, which comprises a base 1, wherein the base 1 is provided with a walking device, a polishing device, a pressing device and a camera device.
The walking device comprises at least two walking rollers 2, each walking roller 2 is arranged side by side along the front-back direction, each walking roller 2 is driven to rotate through a respective walking motor 3, so that each walking roller 2 walks on an overhead stranded wire 5, a circle of walking grooves 4 are formed in the outer circumference of each walking roller 2, and the walking rollers 2 are slidably embedded on the overhead stranded wires 5 through the walking grooves 4. The walking motor 3 is installed on the base 1, and the walking roller 2 is installed on the output shaft of the walking motor 3.
The grinding device is arranged in front of the walking device, and can rotate in the horizontal plane to grind the surface corrosion layer of the overhead stranded wire 5. Specifically, grinding device includes the support 6 of polishing with 1 fixed connection of base, and it installs the pivot 7 of a vertical extension to polish to rotate on the support 6, and it is rotatory through rotating electrical machines drive pivot 7, and pivot 7 one side is fixed with a horizontal connecting rod 8, and a grinding motor 9 is installed to the outer end of horizontal connecting rod 8, is equipped with a steel brush 10 of polishing on the output shaft of grinding motor 9 bottom, and it is rotatory to drive steel brush 10 of polishing through grinding motor 9, realizes polishing 5 superficial corrosion coatings of built on stilts stranded conductor. By horizontally pushing the grinding motor 9, the grinding motor 9 and the grinding wire brush 10 can be driven to rotate together around the rotating shaft 7, so that the grinding wire brush 10 is moved to the overhead stranded wire 5 or is moved away from the overhead stranded wire 5.
The pressing device is arranged below the walking device and comprises at least two pressing wheels 11, a connecting rod 12 extending downwards is arranged at the bottom of the base 1, each pressing wheel 11 is installed on the connecting rod 12 and drives each pressing wheel 11 to move up and down through a first driving mechanism, and therefore the pressing wheels 11 are enabled to upwards press the overhead stranded wire 5 or downwards separate from the overhead stranded wire 5. First actuating mechanism is including compressing tightly motor 13, compress tightly lead screw 14, compress tightly support 15, compress tightly motor 13 and install on connecting rod 12, the vertical upwards extension of output shaft and fixedly connected with that compress tightly lead screw 14 of compressing tightly motor 13, threaded connection has screw-nut on compressing tightly the lead screw 14, screw-nut and 15 fixed connection compress tightly support, compress tightly support 15 and slide and set up on connecting rod 12 and can be along the vertical slip of connecting rod 12, install on compressing tightly support 15 side by side around each pinch roller is. The compressing screw rod 14 is driven to rotate by the compressing motor 13, and the compressing screw rod 14 drives the screw rod nut to move along the vertical direction, so that the compressing bracket 15 and each compressing roller thereon are driven to move vertically.
Camera device sets up in closing device's below, and camera device includes camera 16, and connecting rod 12 bottom is provided with battery compartment 17, and battery compartment 17 internally mounted has the battery, gives camera 16 and each motor power supply through the battery, and camera 16 installs on battery compartment 17, and camera 16 is the mode that the slope upwards extends and arranges on battery compartment 17, and camera 16 is used for shooing the photo for the built on stilts stranded conductor 5 that is located camera 16 top.
The embodiment also discloses a method for detecting the corrosion degree of the overhead stranded wire 5, which is based on the device for detecting the corrosion degree of the overhead stranded wire, and the method comprises the following steps:
placing each walking roller 2 on an overhead stranded wire 5 to enable the whole device to be hung on the overhead stranded wire 5, and horizontally rotating a polishing device to enable a polishing steel wire brush 10 of the polishing device to leave the upper side of the overhead stranded wire 5;
step two, each walking roller 2 is driven to rotate by each walking motor 3, so that each walking roller 2 walks on an overhead stranded wire 5, and when the device walks to a stranded wire detection section to be detected, each walking motor 3 is controlled to stop, and the device stays at the stranded wire detection section; if the stranded wire detection section does not need to be polished, entering a third step; if the stranded wire detection section needs to be polished, entering the fourth step;
thirdly, shooting pictures of the overhead stranded wire 5 at the stranded wire detection section by the camera 16 to obtain pictures of the unfinished overhead stranded wire 5, taking any part in the shot device in the pictures of the unfinished overhead stranded wire 5 as a standard reference object, calculating the actual test diameter Dr of the overhead stranded wire 5 according to the size of the standard reference object and calculating the corrosion degree C of the unfinished overhead stranded wire 5 according to the following formula I:
wherein C is the corrosion degree of the overhead stranded wire 5, Dr is the actual test diameter of the non-polished overhead stranded wire 5, and D is the initial diameter of the overhead stranded wire 5; 0.2 is the empirical corrosion layer thickness in millimeters for an aerial strand.
Horizontally rotating the polishing device, so that a polishing steel brush 10 of the polishing device is arranged right above the overhead stranded wire 5, starting a polishing motor 9 to drive the polishing steel brush 10 to rotate, polishing the corrosion layer on the surface of the overhead stranded wire 5 through the rotating polishing steel brush 10, and rotating the polishing device to leave the overhead stranded wire 5 after polishing is finished; then, a camera 16 is used for shooting pictures of the ground overhead stranded wire 5 at the stranded wire detection section to obtain a picture of the ground overhead stranded wire 5, any part in a device shot in the picture of the ground overhead stranded wire 5 is used as a standard reference object, the size of the known standard reference object is used for calculating the actual test diameter Drm of the overhead stranded wire 5 in proportion, and the corrosion degree C of the ground overhead stranded wire 5 is calculated according to the following formula II:
wherein C is the corrosion degree of overhead stranded wire 5, and Drm is the actual test diameter of overhead stranded wire 5 after polishing, and D is the initial diameter of overhead stranded wire 5.
According to the device and the method for detecting the corrosion degree of the overhead stranded wire, the camera 16 is used for shooting the picture of the overhead stranded wire 5, the picture is compared with a standard reference object, the residual diameter of the overhead stranded wire 5 is calculated, and the corrosion degree of the overhead stranded wire 5 can be obtained according to a formula I or a formula II.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a device that overhead stranded conductor corrosion degree detected which characterized in that: comprises a base, wherein the base is provided with a walking device, a grinding device, a pressing device and a camera device,
the walking device comprises at least two walking rollers, each walking roller is arranged side by side along the front and back direction, and each walking roller is driven to rotate by a respective walking motor, so that each walking roller walks on the overhead stranded wire;
the grinding device is arranged in front of the walking device, and is used for grinding the corrosion layer on the surface of the overhead stranded wire, and the grinding device can rotate in the horizontal plane;
the pressing device is arranged below the walking device and comprises at least two pressing wheels, the bottom of the base is provided with a connecting rod extending downwards, each pressing wheel is arranged on the connecting rod, and each pressing wheel is driven by the first driving mechanism to move up and down, so that the pressing wheels press the overhead stranded wire upwards or separate from the overhead stranded wire downwards;
the camera device is arranged below the pressing device and comprises a camera, a battery bin is arranged at the bottom of the connecting rod, a battery is arranged inside the battery bin, the camera is arranged on the battery bin, and the camera is used for shooting pictures for the overhead stranded wire above the camera.
2. The apparatus for detecting corrosion degree of overhead stranded wire of claim 1, wherein: the grinding device comprises a grinding support, a vertical extending rotating shaft is rotatably mounted on the grinding support, the rotating shaft is driven to rotate through a second driving mechanism, a horizontal connecting rod is fixed to one side of the rotating shaft, a grinding motor is mounted at the outer end of the horizontal connecting rod, a grinding steel wire brush is arranged on an output shaft at the bottom of the grinding motor, the grinding steel wire brush is driven to rotate through the grinding motor, and the surface corrosion layer of the overhead stranded wire is ground.
3. The apparatus for detecting corrosion degree of overhead stranded wire of claim 1, wherein: first actuating mechanism is including compressing tightly the motor, compressing tightly the lead screw, compress tightly the support, compresses tightly the motor and installs on the connecting rod, and the output shaft that compresses tightly the motor is vertical upwards to extend and fixedly connected with compresses tightly the lead screw, and threaded connection has screw-nut on compressing tightly the lead screw, screw-nut and compress tightly support fixed connection, compress tightly the support and slide and set up on the connecting rod and can be along the vertical slip of connecting rod, and each compresses tightly gyro wheel and install on compressing tightly the support side by side around being.
4. The apparatus for detecting corrosion degree of overhead stranded wire of claim 1, wherein: and a circle of walking grooves are formed in the outer circumference of the walking roller, and the walking roller is embedded on the overhead stranded wire in a sliding manner through the walking grooves.
5. The apparatus for detecting corrosion degree of overhead stranded wire of claim 1, wherein: the camera is arranged on the battery compartment in a manner of extending obliquely upwards.
6. A method for detecting corrosion degree of an overhead stranded wire is characterized by comprising the following steps: the method is based on the device for detecting the corrosion degree of the overhead stranded wire in any one of claims 1 to 5, and comprises the following steps:
placing each walking roller on an overhead stranded wire to enable the whole device to be hung on the overhead stranded wire, and horizontally rotating a polishing device to enable the polishing device to be separated from the overhead stranded wire;
step two, each walking roller is driven to rotate by each walking motor, so that each walking roller walks on the overhead stranded wire, and when the device walks to a stranded wire detection section to be detected, each walking motor is controlled to stop, and the device stays at the stranded wire detection section; if the stranded wire detection section does not need to be polished, entering a third step; if the stranded wire detection section needs to be polished, entering the fourth step;
thirdly, shooting pictures of the aerial stranded wires at the stranded wire detection section by a camera to obtain a picture of the non-polished aerial stranded wires, taking any part in the shot device in the picture of the non-polished aerial stranded wires as a standard reference object, calculating the actual test diameter Dr of the aerial stranded wires according to the size of the standard reference object and calculating the corrosion degree C of the non-polished aerial stranded wires according to the following formula I:
wherein C is the corrosion degree of the overhead stranded wire, Dr is the actual test diameter of the non-polished overhead stranded wire, and D is the initial diameter of the overhead stranded wire;
horizontally rotating the polishing device, so that the polishing device is arranged right above the overhead stranded wire, starting the polishing device to polish the surface corrosion layer of the overhead stranded wire, and rotating the polishing device to leave the overhead stranded wire after polishing is finished; then, a camera is used for shooting pictures of the polished overhead stranded wire at the stranded wire detection section to obtain a polished overhead stranded wire picture, any part in a device shot in the polished overhead stranded wire picture is used as a standard reference object, the size of the known standard reference object is used for calculating the actual test diameter Drm of the overhead stranded wire in proportion, and the corrosion degree C of the polished overhead stranded wire is calculated according to the following formula II:
wherein, C is built on stilts stranded conductor corrosion degree, and Drm is the actual test diameter of built on stilts stranded conductor after polishing, and D is the initial diameter of built on stilts stranded conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301201.7A CN112304231A (en) | 2020-11-19 | 2020-11-19 | Device and method for detecting corrosion degree of overhead stranded wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011301201.7A CN112304231A (en) | 2020-11-19 | 2020-11-19 | Device and method for detecting corrosion degree of overhead stranded wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112304231A true CN112304231A (en) | 2021-02-02 |
Family
ID=74335000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011301201.7A Pending CN112304231A (en) | 2020-11-19 | 2020-11-19 | Device and method for detecting corrosion degree of overhead stranded wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112304231A (en) |
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2020
- 2020-11-19 CN CN202011301201.7A patent/CN112304231A/en active Pending
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