CN113640623A - Flexible crawler-type power transmission line insulator degradation detection device and method - Google Patents
Flexible crawler-type power transmission line insulator degradation detection device and method Download PDFInfo
- Publication number
- CN113640623A CN113640623A CN202110257670.1A CN202110257670A CN113640623A CN 113640623 A CN113640623 A CN 113640623A CN 202110257670 A CN202110257670 A CN 202110257670A CN 113640623 A CN113640623 A CN 113640623A
- Authority
- CN
- China
- Prior art keywords
- detection device
- electric field
- insulator
- detection
- transmission line
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 142
- 239000012212 insulator Substances 0.000 title claims abstract description 98
- 230000005540 biological transmission Effects 0.000 title claims abstract description 45
- 230000015556 catabolic process Effects 0.000 title claims abstract description 26
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 133
- 230000005684 electric field Effects 0.000 claims abstract description 77
- 230000006866 deterioration Effects 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 20
- 230000000712 assembly Effects 0.000 claims description 15
- 238000000429 assembly Methods 0.000 claims description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 10
- 229910052744 lithium Inorganic materials 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 8
- 229910052573 porcelain Inorganic materials 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000009193 crawling Effects 0.000 abstract description 4
- 239000000919 ceramic Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000003331 infrared imaging Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000012211 strain insulator Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000005211 surface analysis Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1218—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Insulators (AREA)
- Testing Relating To Insulation (AREA)
Abstract
The invention discloses a flexible crawler-type transmission line insulator degradation detection device and a method, wherein the detection method is realized based on a detection device, the detection device comprises an upper guide mechanism and a lower guide mechanism which are connected through screw rod connection mechanisms on two sides, an electric field detection mechanism for collecting the electric field intensity is arranged on the upper guide mechanism, and flexible crawler mechanisms for axially running on a transmission line ceramic insulator structure are respectively arranged on the upper guide mechanisms on the left side and the right side of the electric field detection mechanism through a left mounting plate and a right mounting plate; and the lower guide mechanism is provided with a control mechanism for controlling the detection device to detect the insulator string, and the control mechanism is electrically connected with the electric field detection mechanism. The invention is based on the flexible crawler crawling mechanism, carries the electric field sensor, adopts the openable semicircular assembly structure, carries out insulator electric field detection along the axial direction of the insulator string, judges the insulator deterioration condition through background electric field strength, and is suitable for various insulator string type structures.
Description
Technical Field
The invention relates to the technical field of transmission line detection, in particular to a flexible crawler-type transmission line insulator degradation detection device and a detection method.
Background
The method for detecting the deterioration of the insulator of the transmission line in a charged manner is one of the problems which are very concerned by the domestic and foreign electric power departments, and at present, the following methods are only needed for detecting the deterioration of the insulator of the transmission line: 1) the direct observation method has the defects that the ground observation is unreliable, and cracks are difficult to see when the tower is ascended; 2) the spark fork detection method is simple and intuitive, is suitable for fewer insulators, has high single-chip detection labor intensity and large workload for the detection effect of 500kV and above affected by background corona; 3) the ultraviolet imaging method needs to be operated at night and in a positive temperature environment, the detection result is easily influenced by an observation angle, and the equipment is expensive; 4) the infrared imaging method is easily influenced by sunlight, moisture, ambient temperature and some factors causing the surface temperature change of the insulator; 5) the ultrasonic method has the limitations of coupling, attenuation and ultrasonic transducer performance, and is not suitable for field detection because long-distance telemetering is not broken through; 6) the method for detecting the hydrophobicity only stays in an experimental stage, and the surface analysis test of the insulator is lacked under the complex condition; 7) according to a leakage current observation method, the leakage current of the insulator edge surface is related to effective pollution degree and hydrophobicity, and the limitation is large; 8) the distributed voltage detection method needs a single insulator to contact the steel foot-sensing cap, so that the labor intensity is high and the workload is large; 9) The electric field distribution method has the advantages of low cost, direct observation, simple operation and higher detection efficiency.
The detection methods are mainly carried out by adopting an insulating operating rod, but the number of the long pieces of the 500kV insulator string is large, the detection of the conventional spark fork, the distributed electric field and the distributed voltage needs to be carried out by matching with the operating rod, and the problems of large disturbance degree, heavy weight, large operation difficulty, large physical consumption of operators, limited operation and extension space on the tower and the like after the conventional insulating telescopic rod is extended are solved. And secondly, an auxiliary detection device is adopted to reduce the detection operation intensity, but the installation and debugging time is long, tools and appliances are more, and the device is not suitable for the complex terrain area of the 500kV power transmission line. Finally, an insulator detection robot is provided, related researches are carried out at home and abroad, the Hunan extra-high voltage insulator detection robot adopts a voltage contact measurement mode to carry out insulator detection, and single-chip contact measurement is needed; shandong Lu can adopt duplex insulator chain detection, only limited to duplex insulator chain detection; wuhan Kedi ao electric power science and technology limited has designed a armful arm formula electric field detection robot, adopts the monolithic mode of crawling to carry out insulator detection etc.. Therefore, the robot detection generally has the problems of high cost, large application limitation, low detection efficiency and the like.
Disclosure of Invention
The invention aims to provide a device and a method for detecting the insulator degradation of a flexible crawler-type power transmission line, which are suitable for various insulator string structures and can improve the detection efficiency.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows.
A flexible crawler-type transmission line insulator degradation detection device comprises an upper guide mechanism and a lower guide mechanism which are connected through lead screw connecting mechanisms on two sides and used for wrapping an insulator string, wherein an electric field detection mechanism for collecting the electric field intensity is arranged on the upper guide mechanism, and flexible crawler mechanisms for axially running on a transmission line ceramic insulator structure are respectively arranged on the upper guide mechanisms on the left side and the right side of the electric field detection mechanism through a left mounting plate and a right mounting plate; and the lower guide mechanism is provided with a control mechanism for controlling the detection device to detect the insulator string, and the control mechanism is electrically connected with the electric field detection mechanism.
The utility model provides an above-mentioned flexible crawler-type transmission line insulator degradation detection device, electric field detection mechanism is including being used for sending triggering signal's photoelectric sensor and the electric field sensor who is used for detecting electric field strength to the insulator, and electric field sensor's output passes through shielded wire connection control mechanism's input, and control mechanism's output passes through shielded wire connection photoelectric sensor's input.
The flexible crawler-type power transmission line insulator degradation detection device comprises a group of driving wheel assemblies and four groups of auxiliary wheel assemblies, wherein the driving wheel assemblies and the auxiliary wheel assemblies are arranged at the upper ends of the end parts of two mounting plates; the side of mounting panel is provided with and is used for driving action wheel assembly pivoted direct current motor, and direct current motor's input is connected control mechanism's output.
The utility model provides a flexible crawler-type transmission line insulator degradation detection device, the three auxiliary wheel subassembly that is located the bottom sets up on the mounting panel through waist round hole from top to bottom respectively, the auxiliary wheel subassembly that is located the tip sets up on the mounting panel through waist round hole about, the pivot of connecting the auxiliary wheel is worn to establish about relative waist round hole, the both ends of pivot are connected with the round pin axle respectively, it is equipped with the installation round hole of fixing on the mounting panel to sell epaxial cover, it carries out spacing axle card to sell epaxial three being used for carrying on the round pin axle, the axle center of pivot is located between two adjacent axle cards, be provided with the spring that is used for the support between two adjacent axle cards in addition.
According to the flexible crawler-type power transmission line insulator degradation detection device, the upper guide mechanism is provided with the electric field detection mechanism installation position for installing the electric field detection mechanism and the flexible crawler installation position for installing the flexible crawler mechanism.
Above-mentioned flexible crawler-type transmission line insulator degradation detection device, the border of going up guiding mechanism and lower guiding mechanism all is provided with the turn-ups that is used for guaranteeing steady direction when insulator chain arc hangs down, and the middle part of going up guiding mechanism and lower guiding mechanism all is provided with the strengthening rib that is used for guaranteeing intensity.
The utility model provides a flexible crawler-type transmission line insulator degradation detection device, control mechanism is including the lithium cell that is used for providing the power, the bluetooth module that is used for data processing and control data processing module and is used for carrying out communication with the backstage, data processing module's power input end is connected to the output of lithium cell, electric field sensor's output is connected to data processing module's input, photoelectric sensor and DC motor's input is connected respectively to data processing module's output, bluetooth module is connected to data processing module's communication end, bluetooth module carries out the bluetooth communication with the backstage.
A method for detecting the deterioration of an insulator of a flexible crawler-type power transmission line is realized based on a device for detecting the deterioration of the insulator of the flexible crawler-type power transmission line, and specifically comprises the following steps:
A. the electric quantity of a lithium battery of the detection device is ensured to be sufficient, and whether all the parts are intact is checked;
B. the detection device is transmitted to the cross arm by the detection personnel carrying the detection device or the personnel under the tower;
C. opening a lower guide mechanism of the detection device, and connecting the upper guide mechanism and the lower guide mechanism through a screw rod connecting mechanism to ensure that the detection device is attached to the insulator string of the power transmission line;
D. connecting a power line and a signal line of the control mechanism and the electric field detection mechanism, and starting up the detection device;
E. controlling the detection device to run along the axial direction of the insulator string through background software, automatically measuring the electric field intensity of the insulator by the detection device, stopping the detection device until the detection of the whole string of insulators is finished, checking an electric field curve of the insulator string through the background software, and judging whether the insulator degradation condition exists or not through the electric field curve;
F. after the checking is finished, the detection device returns, and detection is carried out again in the returning process;
G. and (5) returning the special detection tool to the cross arm, stopping the detection device, taking down the detection device, clearing the field, and taking down the tower to complete the detection operation of the insulator of the power transmission line.
Due to the adoption of the technical scheme, the technical progress of the invention is as follows.
The flexible crawler crawling mechanism is based on the flexible crawler crawling mechanism, carries the electric field sensor, adopts the openable semicircular assembly structure, performs insulator electric field detection along the axial direction of the insulator string, judges the insulator degradation condition through background electric field strength, is suitable for various insulator string type structures, and improves the detection efficiency.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an electric field sensing mechanism according to the present invention;
FIG. 3 is a schematic view of a flexible track mechanism according to the present invention;
FIG. 4 is a schematic structural view of an auxiliary wheel assembly according to the present invention;
FIG. 5 is a schematic structural view of an upper guide mechanism according to the present invention;
wherein: 1. the electric field detection mechanism comprises a flexible crawler belt mechanism 2, a mounting plate 21, a driving wheel assembly 22, a driving wheel assembly 23, a direct current motor 24, an auxiliary wheel assembly 241, a pin shaft 242, a spring 242, a shaft clamp 243, an axle center 244, an axle center 245, a mounting round hole 246, a waist round hole, a crawler belt 25, an upper guide mechanism 3, an electric field detection mechanism mounting position 31, a photoelectric sensor detection hole 32, a flexible crawler belt mounting position 33, a flanging 34, a lead screw connecting mechanism 4, a lower guide mechanism 5 and a control mechanism 6.
Detailed Description
The invention will be described in further detail below with reference to the figures and specific examples.
The structure of the flexible crawler-type power transmission line insulator degradation detection device is shown in figure 1, and the flexible crawler-type power transmission line insulator degradation detection device comprises an electric field detection mechanism 1, a flexible crawler-type mechanism 2, an upper guide mechanism 3, a lower guide mechanism 5 and a control mechanism 6. The upper guide mechanism 3 and the lower guide mechanism 5 are connected through the screw rod connecting structures 4 on two sides, the electric field detection mechanism 1 is arranged on the upper guide mechanism 3 and used for collecting electric field intensity, the flexible crawler mechanisms 2 are arranged on the upper guide mechanisms 3 on two sides of the electric field detection mechanism 1 and used for axially moving on a transmission line porcelain insulator structure, the control mechanism 6 is arranged on the lower guide mechanism 5 and used for controlling the detection device to detect an insulator string, and the control mechanism 6 is electrically connected with the electric field detection mechanism 1.
Electric field monitoring devices 1 includes photoelectric sensor and electric field sensor, and photoelectric sensor is used for sending triggering signal to the insulator, and electric field sensor is used for detecting electric field intensity, and electric field sensor's output passes through the input of shielded wire connection control mechanism 6, and control mechanism's output passes through the input of shielded wire connection photoelectric sensor. The electric field sensor adopts an MEMS electric field sensor, detects a space electric field between steel foot steel caps of the single-chip insulator in a non-contact mode, is made of silicon materials, and is based on the principle that a spring and a micro latticed silicon structure which is fixed on the spring and used for measuring micron-scale movement. When the silicon structure is subjected to an electric field, a certain force is generated on the silicon crystal, causing a slight extension or compression of the spring.
The schematic diagram of the electric field detection mechanism is shown in fig. 2, in which a mass (m) is suspended from an elastic member (rigid k) fixed to a conductive fixed frame. When placed in an electric field (E), the electrostatic induction generates a force (Fes) on the mass. The mass block generates certain displacement (deltax) under the action force, and the displacement is measured by utilizing an optical principle.
The photoelectric sensor adopts finished parts, provides a detection trigger range of 5-16mm, ensures that the robot system triggers the umbrella skirt at the outermost periphery of each insulator when moving along the axial direction of the insulator, gives a switching value to the background data processing module, and records the electric field intensity at the moment by the electric field sensor.
The flexible crawler 2 is arranged on the upper guide mechanism 3 through the mounting plates 21 at the left and right sides, and the structural schematic diagram is shown in fig. 3-4, and comprises a driving wheel assembly 22, an auxiliary wheel assembly 24, a direct current motor 23 and a crawler 25. The driving wheel assembly 22 is arranged at the upper end of the end part of the mounting plate 21, the auxiliary wheel assemblies 24 are arranged into 4 groups, wherein the three groups of auxiliary wheel assemblies are respectively and uniformly distributed below the middle part of the mounting plate, the other group of auxiliary wheel assemblies are arranged on the other side of the mounting plate and are positioned on the same horizontal plane with the driving wheel assembly 22, and the crawler belt 25 is sleeved on the driving wheel assembly and the auxiliary wheel assemblies.
The mounting plates 21 on the left side and the right side of the upper guide mechanism 3 are integrated with the upper guide mechanism, are made of ABS materials and play a role in mounting and supporting. The mounting plate 21 on one side is provided with a direct current motor 23, the direct current motor is connected with the driving wheel component and used for driving the driving wheel component to rotate, and the input end of the direct current motor is connected with the output end of the control mechanism 6.
The three auxiliary wheel subassembly of bottom sets up on mounting panel 21 through waist round hole 246 about respectively, waist round hole about the auxiliary wheel subassembly 24 accessible of three groups in bottom reciprocates, the waist round hole 246 setting about through waist round hole of tip sets up on the mounting panel, the auxiliary wheel subassembly of tip can be controlled through waist round hole about and remove, the pivot of connecting the auxiliary wheel is worn to establish about relative waist round hole, the both ends of pivot are connected with round pin axle 241 respectively, the cover is equipped with installation round hole 245 on round pin axle 241, the installation round hole is fixed on mounting panel 21, round pin axle 241 can be at the installation round hole back-and-forth movement, be provided with three axle card 243 on round pin axle 241, be used for spacing the round pin axle, guarantee that the round pin axle can be downthehole at the waist round, axle center 244 of pivot is located between two adjacent axle cards, be provided with the spring between two adjacent axle cards in addition, play the effect of support.
When the single or whole auxiliary wheel subassembly of bottom is adjusted in the opposite direction when pressurized, for the tensile force of guaranteeing whole track, the auxiliary wheel subassembly of tip carries out opposite activity compensation, just so can guarantee to carry out axial operation on transmission line porcelain insulator structure, can play the suitability operation detection effect to the different dish footpath insulators of different specifications models of different producers of transmission line simultaneously.
Go up guiding mechanism and adopt ABS engineering plastics material, design into semicircle band edge pattern, can be connected through lead screw coupling mechanism 4 with lower guiding mechanism 5, the constitution can be according to transmission line porcelain insulator dish footpath size come adjusting device connection range, reaches to let about the flexible mechanism contact point steadily provide power output, and keep reasonable along axial motion home range and strain insulator string with the insulator dish footpath and have the angle of sagging to pass through accommodation.
The structural schematic diagram of the upper guide mechanism 3 is shown in fig. 5, the upper guide mechanism 3 is provided with an electric field detection mechanism mounting position 31 and a flexible crawler mounting position 33, the electric field detection mechanism mounting position 31 is used for mounting an electric field detection mechanism, the flexible crawler mounting position 33 is used for mounting a flexible crawler mechanism, the center of the electric field detection mechanism mounting position 31 is a photoelectric sensor detection hole 32, and the photoelectric sensor sends out a trigger signal through the photoelectric sensor detection hole 32.
The edges of the upper guide mechanism 3 and the lower guide mechanism 5 are provided with flanges 34 for ensuring stable guiding when the insulator string sags, and reinforcing ribs are arranged in the middle of the upper guide mechanism and the lower guide mechanism for ensuring strength.
A method for detecting the deterioration of insulators of a flexible crawler-type power transmission line is realized by adopting a device for detecting the deterioration of insulators of the flexible crawler-type power transmission line, and specifically comprises the following steps:
A. before the power transmission line is overhauled, the electric quantity of a lithium battery of the detection device is ensured to be sufficient, and whether each part is intact is checked;
B. the detection device is transmitted to the cross arm by the detection personnel carrying the detection device or the personnel under the tower;
C. opening a lower guide mechanism of the detection device, and connecting the upper guide mechanism and the lower guide mechanism through a screw rod connecting mechanism to ensure that the detection device is attached to the insulator string of the power transmission line;
D. connecting a power line and a signal line of the control mechanism and the electric field detection mechanism, and starting up the detection device;
E. controlling the detection device to axially run along the insulator string through background software, automatically measuring the electric field intensity of each insulator in the running process of the detection device, and displaying an insulator electric field curve on the background software; stopping the detection device until the detection of the whole string of insulators is finished, checking an electric field curve of the insulator string by background software, and judging whether the insulator degradation condition exists or not through the electric field curve;
F. after the insulator electric field curve is checked, the detection device returns, insulator electric field curve detection is carried out again in the returning process, and whether the degraded insulator exists or not are further verified through the returning electric field curve detection and the degraded condition is confirmed again;
G. and (5) returning the special detection tool to the cross arm, stopping the detection device, taking down the detection device, clearing the field, and taking down the tower to complete the detection operation of the insulator of the power transmission line.
Claims (8)
1. The utility model provides a flexible crawler-type transmission line insulator degradation detection device which characterized in that: the device comprises an upper guide mechanism (3) and a lower guide mechanism (5) which are connected through screw rod connecting mechanisms (4) at two sides and used for wrapping an insulator string, wherein an electric field detection mechanism (1) for collecting the electric field intensity is arranged on the upper guide mechanism (3), and flexible crawler mechanisms (2) for axially running on a transmission line porcelain insulator structure are respectively arranged on the upper guide mechanisms (3) at the left side and the right side of the electric field detection mechanism (1) through a left mounting plate and a right mounting plate (21); and the lower guide mechanism (5) is provided with a control mechanism (6) for controlling the detection device to detect the insulator string, and the control mechanism (6) is electrically connected with the electric field detection mechanism (1).
2. The flexible crawler-type power transmission line insulator degradation detection device of claim 1, characterized in that: the electric field detection mechanism (1) comprises a photoelectric sensor used for sending a trigger signal to the insulator and an electric field sensor used for detecting the electric field intensity, the output end of the electric field sensor is connected with the input end of the control mechanism (6) through a shielding wire, and the output end of the control mechanism is connected with the input end of the photoelectric sensor through the shielding wire.
3. The flexible crawler-type power transmission line insulator degradation detection device of claim 1, characterized in that: the flexible crawler mechanism (2) comprises a group of driving wheel assemblies (22) and four groups of auxiliary wheel assemblies (24) which are arranged at the upper ends of the end parts of two mounting plates (21), wherein the three groups of auxiliary wheel assemblies are uniformly distributed below the middle part of the mounting plates, the other group of auxiliary wheel assemblies are arranged at the other ends of the mounting plates and are in the same horizontal plane with the driving wheel assemblies, and crawler belts (25) are sleeved on the driving wheel assemblies and the auxiliary wheel assemblies; the side end of the mounting plate (21) is provided with a direct current motor (23) used for driving the driving wheel assembly (22) to rotate, and the input end of the direct current motor is connected with the output end of the control mechanism.
4. The flexible crawler-type transmission line insulator degradation detection device of claim 3, characterized in that: the three auxiliary wheel subassembly that is located the bottom sets up on mounting panel (21) through waist round hole (246) about respectively, waist round hole (246) setting on mounting panel (21) about the auxiliary wheel subassembly that is located the tip, the pivot of connecting the auxiliary wheel is worn to establish about relative waist round hole (246), the both ends of pivot are connected with round pin axle (241) respectively, the cover is equipped with installation round hole (245) of fixing on mounting panel (21) on round pin axle (241), be provided with three axle card (243) that are used for carrying on spacingly to the round pin axle on round pin axle (241), axle center (244) of pivot are located between two adjacent axle cards, be provided with spring (242) that are used for the support between two adjacent axle cards in addition.
5. The flexible crawler-type power transmission line insulator degradation detection device of claim 1, characterized in that: and an electric field detection mechanism mounting position (31) for mounting the electric field detection mechanism and a flexible crawler mounting position (33) for mounting the flexible crawler mechanism are arranged on the upper guide mechanism (3).
6. The flexible crawler-type power transmission line insulator degradation detection device of claim 1, characterized in that: the edge of the upper guide mechanism (3) and the edge of the lower guide mechanism (5) are both provided with a flanging (34) used for guaranteeing stable guiding when the insulator string sags, and the middle parts of the upper guide mechanism (3) and the lower guide mechanism (5) are both provided with reinforcing ribs used for guaranteeing strength.
7. The flexible crawler-type transmission line insulator degradation detection device of claim 3, characterized in that: control mechanism (6) including the lithium cell that is used for providing the power, be used for data processing and the data processing module of control and be used for carrying out the bluetooth module that communicates with the backstage, the power input end of data processing module is connected to the output of lithium cell, electric field sensor's output is connected to data processing module's input, photoelectric sensor and DC motor's input is connected respectively to data processing module's output, bluetooth module is connected to data processing module's communication end, bluetooth module carries out the bluetooth communication with the backstage.
8. A method for detecting deterioration of insulators of a flexible crawler-type power transmission line is characterized by comprising the following steps: the detection method is realized based on the flexible crawler-type power transmission line insulator degradation detection device of any one of claims 1 to 7, and specifically comprises the following steps:
A. the electric quantity of a lithium battery of the detection device is ensured to be sufficient, and whether all the parts are intact is checked;
B. the detection device is transmitted to the cross arm by the detection personnel carrying the detection device or the personnel under the tower;
C. opening a lower guide mechanism of the detection device, and connecting the upper guide mechanism and the lower guide mechanism through a screw rod connecting mechanism to ensure that the detection device is attached to the insulator string of the power transmission line;
D. connecting a power line and a signal line of the control mechanism and the electric field detection mechanism, and starting up the detection device;
E. controlling the detection device to run along the axial direction of the insulator string through background software, automatically measuring the electric field intensity of the insulator by the detection device, stopping the detection device until the detection of the whole string of insulators is finished, checking an electric field curve of the insulator string through the background software, and judging whether the insulator degradation condition exists or not through the electric field curve;
F. after the checking is finished, the detection device returns, and detection is carried out again in the returning process;
G. and (5) returning the special detection tool to the cross arm, stopping the detection device, taking down the detection device, clearing the field, and taking down the tower to complete the detection operation of the insulator of the power transmission line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257670.1A CN113640623B (en) | 2021-03-09 | 2021-03-09 | Device and method for detecting degradation of insulator of flexible crawler-type power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110257670.1A CN113640623B (en) | 2021-03-09 | 2021-03-09 | Device and method for detecting degradation of insulator of flexible crawler-type power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113640623A true CN113640623A (en) | 2021-11-12 |
| CN113640623B CN113640623B (en) | 2024-05-17 |
Family
ID=78415709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110257670.1A Active CN113640623B (en) | 2021-03-09 | 2021-03-09 | Device and method for detecting degradation of insulator of flexible crawler-type power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113640623B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298700A (en) * | 2023-05-18 | 2023-06-23 | 陕西浩悦博纳网络科技有限公司 | 5G-based power communication cable state monitoring system |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100827787B1 (en) * | 2007-07-06 | 2008-05-07 | 한국전력공사 | Remote control system for robot that cleans and inspects insulators supporting power transmission line |
| KR20110017958A (en) * | 2009-08-17 | 2011-02-23 | 한국전력공사 | Robot for traveling along live-line tensional insulator strings |
| CN102621430A (en) * | 2012-03-31 | 2012-08-01 | 山东电力研究院 | Intelligent detection robot system for horizontal insulator strings |
| CN103433243A (en) * | 2013-08-16 | 2013-12-11 | 广东电网公司电力科学研究院 | Insulator surface aged RTV paint eliminating method and device |
| CN203587613U (en) * | 2013-10-12 | 2014-05-07 | 国家电网公司 | Transmission device for detecting insulator deterioration status by utilization of optical sensor |
| CN204008928U (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | A kind of horizontal simply connected insulator chain detects robot system |
| CN104198848A (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | Improved horizontal single connection insulator chain detection robot |
| CN207164190U (en) * | 2017-07-30 | 2018-03-30 | 湖南金振机械制造科技有限公司 | A kind of intelligent checking system for detecting insulator |
| CN110988611A (en) * | 2019-11-07 | 2020-04-10 | 广西电网有限责任公司电力科学研究院 | Crawler-type insulator detection robot can open and shut |
| CN112372619A (en) * | 2020-11-30 | 2021-02-19 | 国网湖北省电力有限公司检修公司 | Robot for live replacement of strain single-chip insulator of extra-high voltage line and operation method |
-
2021
- 2021-03-09 CN CN202110257670.1A patent/CN113640623B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100827787B1 (en) * | 2007-07-06 | 2008-05-07 | 한국전력공사 | Remote control system for robot that cleans and inspects insulators supporting power transmission line |
| KR20110017958A (en) * | 2009-08-17 | 2011-02-23 | 한국전력공사 | Robot for traveling along live-line tensional insulator strings |
| CN102621430A (en) * | 2012-03-31 | 2012-08-01 | 山东电力研究院 | Intelligent detection robot system for horizontal insulator strings |
| CN103433243A (en) * | 2013-08-16 | 2013-12-11 | 广东电网公司电力科学研究院 | Insulator surface aged RTV paint eliminating method and device |
| CN203587613U (en) * | 2013-10-12 | 2014-05-07 | 国家电网公司 | Transmission device for detecting insulator deterioration status by utilization of optical sensor |
| CN204008928U (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | A kind of horizontal simply connected insulator chain detects robot system |
| CN104198848A (en) * | 2014-08-22 | 2014-12-10 | 国家电网公司 | Improved horizontal single connection insulator chain detection robot |
| CN207164190U (en) * | 2017-07-30 | 2018-03-30 | 湖南金振机械制造科技有限公司 | A kind of intelligent checking system for detecting insulator |
| CN110988611A (en) * | 2019-11-07 | 2020-04-10 | 广西电网有限责任公司电力科学研究院 | Crawler-type insulator detection robot can open and shut |
| CN112372619A (en) * | 2020-11-30 | 2021-02-19 | 国网湖北省电力有限公司检修公司 | Robot for live replacement of strain single-chip insulator of extra-high voltage line and operation method |
Non-Patent Citations (2)
| Title |
|---|
| 吕刚等: "一种500 kV变电站支柱绝缘子清洗装置设计", 环境技术, no. 02, 25 April 2020 (2020-04-25), pages 153 - 156 * |
| 谷凯凯等: "导轨式劣化绝缘子自动检测设备运动机构设计与仿真计算分析", 电瓷避雷器, no. 01, 25 February 2018 (2018-02-25), pages 194 - 201 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116298700A (en) * | 2023-05-18 | 2023-06-23 | 陕西浩悦博纳网络科技有限公司 | 5G-based power communication cable state monitoring system |
| CN116298700B (en) * | 2023-05-18 | 2024-05-28 | 北京鹏鹄物宇科技发展有限公司 | 5G-based power communication cable state monitoring system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113640623B (en) | 2024-05-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102608474B (en) | Robot for electrified detection insulator string | |
| CN102621429B (en) | Horizontal duplex insulator string on-line detection robot | |
| CN204575755U (en) | The sub-measuring robots of a kind of Intelligent insulation | |
| CN102944745B (en) | 750kV line live-line work insulator tester | |
| CN207931529U (en) | a kind of strain insulator string detection robot | |
| CN202533530U (en) | Horizontal insulator-string intelligent-detection robot system | |
| CN102621430A (en) | Intelligent detection robot system for horizontal insulator strings | |
| CN102621424B (en) | Robot system for detecting suspension porcelain insulator string | |
| Hongguang et al. | Research of power transmission line maintenance robots in SIACAS | |
| CN208224414U (en) | A kind of distribution line failure inspection device | |
| CN113640623A (en) | Flexible crawler-type power transmission line insulator degradation detection device and method | |
| CN102608473A (en) | Robot for electrified detection of double strain insulator strings | |
| CN115561584B (en) | Distribution network ground fault positioning equipment matched with in-station equipment | |
| CN206963365U (en) | A kind of combined harvester tanker | |
| CN202522642U (en) | Insulator-string live detection robot | |
| CN206161560U (en) | Formula of crawling round steel lightning rod state inspection robot | |
| CN204008928U (en) | A kind of horizontal simply connected insulator chain detects robot system | |
| CN202522644U (en) | Live detection robot for horizontal double insulator strings | |
| CN205565527U (en) | Full -automatic robot that patrols and examines suitable for power transmission line insulator cluster | |
| CN104215844A (en) | Robot for detecting horizontal single insulator strings | |
| CN113791291B (en) | Smart power grids monitoring terminal system | |
| CN204008926U (en) | A kind of horizontal simply connected insulator chain detects robot | |
| CN202522643U (en) | Live detection robot for double strain insulator strings | |
| CN104815814A (en) | Insulation protection system and method for charging water washing robot in transformer substation | |
| CN205565520U (en) | Intelligence high -voltage line detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |