CN106405321B - Power cable fault detection equipment - Google Patents
Power cable fault detection equipment Download PDFInfo
- Publication number
- CN106405321B CN106405321B CN201610481590.3A CN201610481590A CN106405321B CN 106405321 B CN106405321 B CN 106405321B CN 201610481590 A CN201610481590 A CN 201610481590A CN 106405321 B CN106405321 B CN 106405321B
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- base
- ultrasonic
- cable
- lifting plate
- fixedly connected
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- 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
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/085—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution lines, e.g. overhead
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
The invention discloses power cable fault detection equipment which comprises an ultrasonic detection assembly and a base arranged below the ultrasonic detection assembly, wherein the ultrasonic detection assembly comprises a fixing ring, an ultrasonic transmitter and an ultrasonic receiver which are arranged on the inner side of the fixing ring, an opening is formed in one side of the fixing ring, the ultrasonic transmitter and the ultrasonic receiver are respectively positioned on two sides of the opening, 2 support rods are arranged on the base, mounting plates are respectively arranged on the outer sides of the 2 fixing rings, the 2 mounting plates are respectively symmetrically arranged on two sides of the opening, and the 2 mounting plates are respectively fixedly connected to the support rods through bolts.
Description
Technical Field
The present invention relates to a power cable fault detection apparatus.
Background
In the long-term use process of the electric cable, when defects occur in the electric cable, the electric cable is inconvenient to detect, the existing detection equipment can only detect the outer part of the electric cable, and when the defects exist in the electric cable, the electric cable cannot be conveniently detected and positioned; meanwhile, because the power high-altitude power cables are generally erected on the power tower in a multi-strand parallel manner, connectors are sometimes required to be installed between the cables, so that the cables are kept stable, and the existing inspection robot cannot continuously detect when reaching the connector position.
Disclosure of Invention
The invention aims to provide power cable fault detection equipment which can solve the problems in the prior art, and realize detection and positioning of cable faults and continuous detection of high-altitude cables through an ultrasonic detection assembly.
The invention is realized by the following technical scheme:
the utility model provides an electric power cable fault detection equipment, includes ultrasonic detection subassembly and sets up the base of ultrasonic detection subassembly below, ultrasonic detection subassembly include the retainer plate and set up the inboard ultrasonic transmitter of retainer plate and ultrasonic receiver be provided with the opening in retainer plate one side, ultrasonic transmitter and ultrasonic receiver be located respectively the opening both sides be provided with 2 bracing pieces on the base, 2 the retainer plate outside be provided with the mounting panel respectively, 2 the mounting panel symmetry set up respectively in the opening both sides, 2 the mounting panel pass through bolted connection respectively on the bracing piece the base below be provided with 3 and remove the extension board, the width of removal extension board be greater than the width of base, the upper part of the two ends of the movable support plate is respectively provided with a first hydraulic cylinder, the bottom of the first hydraulic cylinder is fixedly connected to the upper end face of the movable support plate, the telescopic rod of the first hydraulic cylinder is fixedly connected to the lower end face of the base, the side wall of the movable support plate is provided with 2 flanges, a rotating shaft is arranged between the flanges, the two ends of the rotating shaft are rotationally connected to the flanges through bearings, a vertical rod is sleeved on the rotating shaft, one end of the vertical rod far away from the rotating shaft is provided with a roller, the middle part of the roller is inwards recessed to form a V-shaped groove, the roller can be hung on a cable, 2 second hydraulic cylinders are arranged at the bottom of each movable support plate, the middle part of the rotating shaft is provided with a connecting rod, one end of each second hydraulic cylinder is hinged to the lower end face of the movable support plate, the utility model discloses a motor, including base, second pneumatic cylinder, fixed axle, first pneumatic cylinder, second pneumatic cylinder, the connecting rod on be in the second pneumatic cylinder other end rotate to be connected the base up end on be provided with the controller the base up end on set up the support be provided with the fixed axle on the support, the fixed axle both ends be connected through the bearing rotation on the support the fixed axle on the cover be equipped with the gear the base on be provided with and be used for driving fixed axle pivoted motor, first pneumatic cylinder, second pneumatic cylinder be connected through the circuit with the controller respectively the base front and back both ends be provided with the camera respectively, camera, ultrasonic emitter and ultrasonic receiver be connected through the circuit with the controller respectively.
Further, in order to better realize the invention, the lifting plate is arranged on the upper end face of the base, the lifting plate is provided with the stud, the lower end of the stud is fixedly connected to the base, the upper end of the stud penetrates through the lifting plate, the studs on two sides of the lifting plate are respectively provided with the adjusting nuts, and the motor and the bracket are respectively and fixedly connected to the upper end face of the lifting plate.
Further, in order to better realize the invention, the fixed shaft is provided with a chain wheel, and the motor drives the chain wheel to rotate through a chain.
Further, in order to better realize the invention, the lower end of the supporting rod is fixedly connected to the lifting plate.
Further, in order to better realize the invention, the gears are symmetrically arranged on 2 fixed shafts, and the 2 gears are symmetrically arranged below two sides of the cable respectively.
Further, in order to better realize the invention, the gear is a straight bevel gear.
Further, in order to better realize the invention, anti-collision modules are respectively arranged at the front end and the rear end of the base, and each anti-collision module comprises an infrared emitter and an infrared receiver which are respectively connected with the controller through circuits.
Further, in order to better realize the invention, anti-slip teeth are arranged on the inner side of the V-shaped groove, and the anti-slip teeth are obliquely arranged towards one side of the V-shaped groove.
Compared with the prior art, the invention has the following beneficial effects:
after the composite standard cable is detected, the detection data are used as reference data, the gear can move relative to the cable under the action of friction force in the process of driving the gear to rotate by the motor, the integral structure is driven to move along the length direction of the cable, at the moment, the ultrasonic non-detection component is utilized to transmit ultrasonic signals to the cable and receive the signals, and whether defects exist in the cable or not is compared and observed according to the change of the received signals; simultaneously, the vertical rods can be rotated relatively, so that the rollers arranged on the vertical rods can be moved out of the cable when needed, the whole structure can conveniently pass over the obstacle, and the cable defect can be continuously monitored.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a schematic view of an ultrasonic testing assembly according to the present invention.
Wherein: 101. base 102, moving bracket 103, first hydraulic cylinder 104, flange 105, pivot 106, upright 107, roller 108, V-groove 109, second hydraulic cylinder 110, connecting rod 111, controller 112, bracket 113, fixed axle 114, gear 115, motor 116, lifting plate 117, stud 118, adjusting nut 119, camera 120, sprocket 121, anti-collision module 122, anti-skid tooth 123, retainer ring 124, opening 125, support bar 126, mounting plate.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but embodiments of the present invention are not limited thereto.
Example 1:
in this embodiment, detect normal qualified cable, install ultrasonic detection subassembly in the cable both sides of meshing, make ultrasonic transmitter and ultrasonic receiver slope relatively set up, after the ultrasonic signal of ultrasonic transmitter transmission passes through the internal reflection of cable, receive by ultrasonic receiver, regard as the reference signal with the ultrasonic signal that the cable detected, conveniently carry out the front and back contrast.
As shown in fig. 1-3, an electric cable fault detection device comprises an ultrasonic detection component and a base 101 arranged below the ultrasonic detection component, wherein the ultrasonic detection component comprises a fixed ring 123, an ultrasonic emitter and an ultrasonic receiver which are arranged on the inner side of the fixed ring 123, an opening 124 is arranged on one side of the fixed ring 123, the ultrasonic emitter and the ultrasonic receiver are respectively arranged on two sides of the opening 124, 2 supporting rods 125 are arranged on the base 101, 2 mounting plates 126,2 are respectively arranged on the outer side of the fixed ring 123, the mounting plates 126 are respectively symmetrically arranged on two sides of the opening 124, 2 mounting plates 126 are respectively fixedly connected to the supporting rods 125 through bolts, 3 movable supporting plates 102 are arranged below the base 101, the width of the movable supporting plates 102 is larger than that of the base 101, a first hydraulic cylinder 103 is respectively arranged above two ends of the movable supporting plates 102, the bottom of the first hydraulic cylinder 103 is fixedly connected to the movable supporting plates 102, a second hydraulic cylinder is arranged on the rotating shaft 105, a flange is respectively arranged on the rotating shaft of the roller 102, a flange is respectively arranged on the second supporting plate 107, a flange is respectively arranged on the rotating shaft of the rotating shaft 105, a flange is respectively arranged on the rotating shaft 105, and a flange is respectively arranged on the rotating shaft 107, the rotating shaft is respectively, and the flange is connected to the rotating shaft 105 is rotatably connected to the rotating shaft 107, and the flange is provided with the rotating shaft 105, and the flange is provided with a flange 107, the middle part of the rotating shaft 105 is provided with a connecting rod 110, one end of a second hydraulic cylinder 109 is hinged to the lower end face of the movable support plate 102, the other end of the second hydraulic cylinder 109 is rotatably connected to the connecting rod 110, the upper end face of the base 101 is provided with a controller 111, the upper end face of the base 101 is provided with a support 112, the support 112 is provided with a fixed shaft 113, two ends of the fixed shaft 113 are rotatably connected to the support 112 through bearings, the fixed shaft 113 is sleeved with a gear 114, the base 101 is provided with a motor 115 for driving the fixed shaft 113 to rotate, the motor 115, the first hydraulic cylinder 103 and the second hydraulic cylinder 109 are respectively connected with the controller 111 through circuits, and the front end and the rear end of the base 101 are respectively provided with a camera 119, an ultrasonic transmitter and an ultrasonic receiver are respectively connected with the controller 111 through circuits.
In this embodiment, the fixing ring is sleeved on the outer side of the cable, so that the ultrasonic transmitter and the ultrasonic receiver are respectively located on two sides of the cable, and the opening of the fixing ring can be upwards or downwards, and the fixing ring can be arranged as required. In the moving process of the whole structure, the ultrasonic transmitter transmits an ultrasonic signal, the ultrasonic signal is reflected or refracted through the inside of the cable and is received by the ultrasonic receiver, and whether a fault exists or not is judged by comparing the reference signal.
In this embodiment, set up the pole setting respectively in every removal extension board both sides, set up the gyro wheel respectively in the pole setting, the relative pole setting upper end rotation of gyro wheel is connected, make the axis of gyro wheel perpendicular relative pole setting, when patrolling and examining, make the pole setting of both sides be located two cable outsides, make the gyro wheel laminating in the pole setting on two cables, owing to set up V-arrangement groove structure, make the gyro wheel can be stable articulate on the cable up end, after articulating the gyro wheel on the cable, make the gear laminating on the support on the lower terminal surface of cable, start the motor, make it drive fixed axle rotation in-process, the gear rotates relative cable, under the effect of frictional force, drive overall structure and remove along cable length direction. Because the pole setting and the roller structures are respectively arranged on the two sides of the movable support plate, a rectangular structure can be formed on the cable, the bottom plate can be firmly hung on the cable, the stability of the movable support plate is facilitated, the gear is positioned below the middle cable due to the parallel arrangement of the multi-strand cables, and the gear is positioned below one strand cable when the movable support plate is used for inspection of two strands of cables.
When encountering an obstacle, the motor is stopped, the first hydraulic cylinder above the movable support plate positioned at the front part is started to drive the movable support plate to longitudinally move, the movable support plate is driven to upwards move, when the movable support plate drives the vertical rod to upwards move, the corresponding roller is separated from the upper end of the cable, the second hydraulic cylinder below the movable support plate is started to drive the connecting rod to rotate, the rotating shaft is driven to rotate relative to the flange, the rotating shaft drives the vertical rod to rotate until the roller at the upper end of the vertical rod is completely positioned at the outer side of the cable, the motor is started at the moment, the whole structure is continuously moved along the length direction of the cable, when the roller group positioned at the middle part reaches the obstacle position, the motor is stopped, the second hydraulic cylinder drives the vertical rod positioned on the movable support plate at the front part to relatively rotate until the corresponding roller is positioned above the cable, at the moment, the first hydraulic cylinder is used for driving the movable support plate to longitudinally move until the roller is hung on the cable, and the roller group positioned at the middle part repeats the operation until the rollers above the three movable support plates all cross the obstacle.
The invention adopts the structure, can easily realize the crossing of obstacles, can be used for the inspection of the cable provided with the connector, and in the use process, the line condition is shot in real time by utilizing the camera, the remote transmission module is arranged in the controller, the real-time picture is transmitted to the mobile terminal of the staff, the corresponding transmission module and the mobile terminal can adopt the existing structure, the inspection of the high-altitude cable can be realized, and the structure is safe and reliable. According to the invention, the band-type brake can be arranged on the motor, so that the operation of the band-type brake can be conveniently controlled.
In the embodiment, the positioning device is arranged in the controller, and the positioning signals are sent to the mobile terminal in real time, so that the fault point of the cable is conveniently positioned.
Example 2:
in this embodiment, in order to facilitate adjusting the height of the gear, so that the gear can be better attached to the cable, preferably, a lifting plate 116 is provided on the upper end surface of the base 101, a stud 117 is provided on the lifting plate 116, the lower end of the stud 117 is fixedly connected to the base 101, the upper end of the stud 117 penetrates through the lifting plate 116, adjusting nuts 118 are provided on the studs 117 on two sides of the lifting plate 116, and the motor 115 and the bracket 112 are fixedly connected to the upper end surface of the lifting plate 116. When needed, the adjusting nut is rotated to enable the stud to longitudinally move, and the lifting plate is driven to longitudinally move in the process of longitudinally moving the stud, so that the height of the lifting plate can be adjusted, the height of the gear is adjusted, the gear can be better attached to the lower portion of the cable, and the adjusting nut is suitable for different cables.
In the present invention, in order to adjust the height of the ultrasonic detection unit according to the need, it is preferable that the lower end of the support rod 125 is fixedly connected to the elevation plate 116. In the process of adjusting the gears, the heights of the ultrasonic detection assemblies are synchronously adjusted.
In this embodiment, the motor may drive the fixed shaft to rotate by using a gear transmission or a belt transmission, preferably, the fixed shaft 113 is provided with a sprocket 120, and the motor 115 drives the sprocket 120 to rotate through a chain. The chain wheel can be arranged on the rotating shaft of the motor, and the chain is used for connecting the motor and the chain wheel on the fixed shaft. In this embodiment, other transmission modes can be adopted.
Example 3:
in order to increase the friction between the gears and the cable, so that the overall structure can operate more reliably, in this embodiment, preferably, the gears 114 are symmetrically disposed on 2 fixed shafts 113, and 2 gears 114 are symmetrically disposed below two sides of the cable.
In order to enable the gear to better fit on the cable, in this embodiment, it is further preferred that the gear 114 is a straight bevel gear. The straight bevel gear is attached to the lower part of the two sides of the cable.
Example 4:
in this embodiment, in order to avoid that the obstacle on the cable collides with the structure of the present invention, it is preferable that anti-collision modules 121 are respectively disposed at the front and rear ends of the base 101, and the anti-collision modules 121 include an infrared transmitter and an infrared receiver respectively connected to the controller 111 through wires. When the infrared signal sent by the infrared transmitter is reflected by the obstacle and received by the infrared receiver, the controller can drive the motor to stop rotating, wherein the existence of the obstacle is indicated. In this embodiment, other anti-collision modules may be used.
In this embodiment, in order to increase the friction between the roller and the cable, it is preferable that anti-slip teeth 122 are disposed inside the V-shaped groove 108, and the anti-slip teeth 122 are disposed obliquely to one side of the V-shaped groove 108. Through adopting anti-skidding tooth, can increase the frictional force between cable and the gyro wheel, avoid when conditions such as strong wind appear, the gyro wheel appears unnecessary removal relatively to the cable, help keeping overall structure stable.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. An electric power cable fault detection device, characterized in that: the ultrasonic detection assembly comprises an ultrasonic detection assembly and a base (101) arranged below the ultrasonic detection assembly, wherein the ultrasonic detection assembly comprises a fixed ring (123) and ultrasonic transmitters and ultrasonic receivers arranged on the inner side of the fixed ring (123), an opening (124) is formed in one side of the fixed ring (123), the ultrasonic transmitters and the ultrasonic receivers are respectively arranged on two sides of the opening (124), 2 supporting rods (125) are arranged on the base (101), mounting plates (126) are respectively arranged on the outer side of the fixed ring (123), 2 mounting plates (126) are respectively symmetrically arranged on two sides of the opening (124), 2 mounting plates (126) are respectively and fixedly connected to the supporting rods (125) through bolts, 3 movable support plates (102) are arranged below the base (101), the width of each movable support plate (102) is larger than that of the base (101), first supporting rods (103) are respectively arranged above two ends of the movable support plates (102), the first supporting plates (103) are respectively connected to the upper end faces of the upper supporting rods (103) of the base (102), the upper end faces of the first supporting plates (103) are fixedly connected to the upper end faces of the lower supporting rods (102), the utility model provides a gear wheel, flange (104) between be provided with pivot (105), pivot (105) both ends pass through the bearing and rotate to be connected on flange (104), pivot (105) on the cover be equipped with pole setting (106) keep away from pivot (105) one end be provided with gyro wheel (107), gyro wheel (107) middle part inwards recess form V-arrangement groove (108), gyro wheel (107) can articulate on the cable, in every remove extension board (102) bottom be provided with 2 second pneumatic cylinders (109) the pivot (105) middle part be provided with connecting rod (110), second pneumatic cylinder (109) one end articulated on the lower terminal surface of removal extension board (102), second pneumatic cylinder (109) other end rotate to be connected on connecting rod (110) base (101) up end on be provided with controller (111) base (101) up end on set up support (112) support (113) be provided with on the cable, support (113) the fixed axle (113) are connected on the fixed axle (113) through the fixed axle (114), a motor (115) for driving the fixed shaft (113) to rotate is arranged on the base (101), the motor (115), the first hydraulic cylinder (103) and the second hydraulic cylinder (109) are respectively connected with the controller (111) through circuits, cameras (119) are respectively arranged at the front end and the rear end of the base (101), and the cameras (119), the ultrasonic transmitter and the ultrasonic receiver are respectively connected with the controller (111) through circuits; the lifting device is characterized in that a lifting plate (116) is arranged on the upper end face of the base (101), a stud (117) is arranged on the lifting plate (116), the lower end of the stud (117) is fixedly connected to the base (101), the upper end of the stud (117) penetrates through the lifting plate (116), adjusting nuts (118) are respectively arranged on the studs (117) on two sides of the lifting plate (116), and the motor (115) and the bracket (112) are respectively fixedly connected to the upper end face of the lifting plate (116); a chain wheel (120) is arranged on the fixed shaft (113), and the motor (115) drives the chain wheel (120) to rotate through a chain; the lower end of the supporting rod (125) is fixedly connected to the lifting plate (116); the gears (114) are symmetrically arranged on the fixed shafts (113), and the 2 gears (114) are symmetrically arranged below two sides of the cable respectively.
2. The power cable fault detection device of claim 1, wherein: the gear (114) is a straight bevel gear.
3. A power cable fault detection device according to claim 1 or 2, characterized in that: anti-collision modules (121) are respectively arranged at the front end and the rear end of the base (101), and the anti-collision modules (121) comprise an infrared emitter and an infrared receiver which are respectively connected with the controller (111) through circuits.
4. A power cable fault detection device according to claim 3, characterized in that: anti-slip teeth (122) are arranged on the inner side of the V-shaped groove (108), and the anti-slip teeth (122) are obliquely arranged towards one side of the V-shaped groove (108).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481590.3A CN106405321B (en) | 2016-06-28 | 2016-06-28 | Power cable fault detection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610481590.3A CN106405321B (en) | 2016-06-28 | 2016-06-28 | Power cable fault detection equipment |
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| CN106405321A CN106405321A (en) | 2017-02-15 |
| CN106405321B true CN106405321B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610481590.3A Active CN106405321B (en) | 2016-06-28 | 2016-06-28 | Power cable fault detection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106885926B (en) * | 2017-03-31 | 2023-07-21 | 国网山东省电力公司烟台市福山区供电公司 | Power cable fault detection device |
| CN110703034A (en) * | 2019-09-20 | 2020-01-17 | 国网山东省电力公司微山县供电公司 | Power pipeline inspection device |
| CN111024702B (en) * | 2020-01-15 | 2020-11-17 | 泉州奔众空气过滤网有限公司 | Cable detection equipment |
| CN113810102B (en) * | 2020-06-12 | 2022-11-04 | 中国联合网络通信集团有限公司 | Optical cable detection equipment, system and method |
| CN111856212B (en) * | 2020-08-04 | 2023-03-14 | 安徽凯诺电缆科技有限公司 | Power cable multi-pulse fault distance measuring device |
| CN113447496A (en) * | 2020-10-22 | 2021-09-28 | 朱振一 | Electronic information equipment power transmission line fault detection device and detection method |
| CN114228997B (en) * | 2020-12-29 | 2024-05-07 | 国网山东省电力公司蒙阴县供电公司 | High-altitude cable sheath detection method |
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| EP0109079A2 (en) * | 1982-11-16 | 1984-05-23 | Seba-Dynatronic Mess- und Ortungstechnik GmbH | Method of locating cable faults, and device for performing this method |
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