CN113049917A - Efficient high-voltage power cable fault positioning device - Google Patents
Efficient high-voltage power cable fault positioning device Download PDFInfo
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- CN113049917A CN113049917A CN202110300694.0A CN202110300694A CN113049917A CN 113049917 A CN113049917 A CN 113049917A CN 202110300694 A CN202110300694 A CN 202110300694A CN 113049917 A CN113049917 A CN 113049917A
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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
- G01R31/083—Locating faults in cables, transmission lines, or networks according to type of conductors in cables, e.g. underground
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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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- Locating Faults (AREA)
Abstract
The invention discloses an efficient high-voltage power cable fault positioning device which comprises a positioning shell, a conduction device, a clamping device, an auxiliary straightening device and a light reflection device, wherein the conduction device is symmetrically arranged at two ends of the positioning shell and sleeved on the outer wall of a cable in the positioning shell, the conduction device at the left end and the right end is connected through a lead so that the cable in the positioning shell is in an open circuit state, the auxiliary straightening device is arranged at the center of the positioning shell, the clamping device is also arranged between the conduction device and the auxiliary straightening device, the light reflection device is arranged on the outer side wall of the center of the positioning shell, the cable section in the positioning shell is tensioned, and the fault position of the cable is positioned and alarmed.
Description
Technical Field
The invention relates to the technical field of cable fault positioning, in particular to a high-efficiency high-voltage power cable fault positioning device.
Background
In the process of accelerating the modern socialist of the building society in China, the demand of electricity utilization in cities is continuously increased. Also, high voltage power cables are commonly used as connecting circuits and transmission tools. High voltage power cable faults are one of the most critical aspects of power failure. Therefore, the reasons and the types of the high-voltage power cable faults are clear, so that the high-voltage power cable faults are processed by a detection method accurately in real time, and the accurate positions of the high-voltage power cable faults are found out quickly. According to the current cable fault detection technology and the condition of the insulation resistance value of a fault point, common cable fault types can be divided into the following three types: open circuit fault, low resistance fault, high resistance fault. The open-circuit fault is that the resistance value between cables or between cables and the ground is in a specified value range, but the actual working voltage cannot be transmitted to a terminal or although partial voltage is transmitted to the terminal, the voltage has almost no load capacity, and the open-circuit fault belongs to the open-circuit fault. The open-circuit fault location without broken wires is difficult, the existing high-voltage cable fault location device needs complicated wire pulling and stringing measurement in most adopted location devices, the cables are relatively divided into multiple sections to be separately measured, the efficiency is low, time and labor are wasted, and the location measurement is not accurate enough.
Accordingly, those skilled in the art have provided an efficient fault location device for high voltage power cables to solve the above-mentioned problems of the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: an efficient high-voltage power cable fault positioning device comprises a positioning shell, a conduction device, a clamping device, an auxiliary straightening device and a light reflection device, wherein the conduction device is symmetrically arranged at two ends of the positioning shell and sleeved on the outer wall of a cable in the positioning shell, and the conduction devices at the left end and the right end are connected through a lead, so that the cable in the positioning shell is in an open circuit state;
the auxiliary straightening device is installed at the center of the positioning shell, a clamping device is arranged between the conduction device and the auxiliary straightening device, a light reflection device is arranged on the outer side wall of the center of the positioning shell, the cable section in the positioning shell is tensioned, and the position of a fault where a cable is located is positioned and alarmed.
As a preferred technical scheme of the invention, the conduction device comprises two groups of L-shaped fixed seats, adjusting frames, conduction boxes and conduction wheels, the conduction devices are arranged in an up-down symmetrical manner, vertical plates on the left sides of the L-shaped fixed seats are connected with up-down moving frames which are transversely arranged in a sliding manner, telescopic rods are fixed on the inner walls of transverse plates on the upper sides of the L-shaped fixed seats, and auxiliary clamping seats are fixed at the output ends of the telescopic rods;
the side wall of the left end of the adjusting frame is hinged with a clamping plate frame in the right side of the up-down moving frame, the right end of the adjusting frame is hinged with the left side wall of the conduction box near the outer side, an annular sleeve is arranged on the left side of the conduction box and is of an upper-lower semicircular splicing structure, and transmission wheels are arranged on the inner wall of the right side of the annular sleeve and are arranged in a plurality of groups in a circumferential arrangement;
and reset springs are arranged between the upper side wall and the lower side wall of the transmission box and the inner side wall of the adjusting frame.
As a preferred technical scheme of the invention, the auxiliary clamping seat comprises an arc-shaped plate and a concave plate, the upper end surface of the arc-shaped plate is elastically connected with the bottom end surface of the concave plate, a miniature roller is arranged on the inner side wall of the arc-shaped plate, and a lead which penetrates through the transmission box and is connected with the transmission wheel is transversely clamped on the concave plate.
According to a preferred technical scheme, the clamping device comprises a fixing plate, an arc-shaped annular plate, a clamping seat and a clamping assembly, wherein the clamping seat is fixed at the center of the fixing plate, fixing rods are fixed on the upper end face and the lower end face of the clamping seat close to the outer end, a roller seat is further fixed on the surface of the fixing plate in the direction vertical to the fixing rods, a telescopic rod is hinged to the roller seat, and the lower end of the telescopic rod is hinged to the upper end of the fixing rod;
arc-shaped annular plates are further fixed on the front side face and the rear side face close to the center of the fixing plate, clamping assemblies are arranged between the arc-shaped annular plates on the front side and the rear side, and multiple groups are arranged in a circumferential manner.
As a preferred technical scheme, the clamping assembly comprises a circular cylinder, a 20866a type frame and a driving wheel, wherein a telescopic machine is fixed at the axis of the circular cylinder, an annular sliding cavity is formed in the side wall of the circular cylinder, a trapezoidal seat is fixed at the output end of the telescopic machine, and a circular groove is formed in the right side of the trapezoidal seat;
20866;, the upper and lower foot rods of the fixture are connected inside the annular sliding cavity in a sliding manner, and 20866;, a rotating disc is fixed at the center of the left side surface of the vertical support plate in the fixture, and the rotating disc is embedded inside the circular groove and connected in a rotating manner;
the vertical angle cylinders are fixed at the upper and lower ends of the right side surface of the 20866and the driving wheels are rotatably connected between the vertical angle cylinders.
As a preferred technical scheme of the invention, the auxiliary straightening device comprises a buffer plate, an x-shaped frame and straightening components, wherein the buffer plate is symmetrically arranged in two groups from top to bottom, a strip-shaped slide rail is arranged on the inner side surface of the center of the buffer plate, the upper end and the lower end of the x-shaped frame are slidably connected with the strip-shaped slide rail, a buffer spring is further arranged at the end head of the outer side of the strip-shaped slide rail and used for connecting the upper side and the lower side of the buffer plate, a certain limit cavity is reserved between the inner side planes of the two ends of the upper side and the lower side of the buffer plate, and a flexible cushion is embedded in;
a straightening assembly is fixed at the center below the buffer plate, ammeter is arranged on the left side and the right side of the straightening assembly, the ammeter is connected in series, and a positioning assembly is arranged below the position corresponding to the ammeter;
the ammeter is also provided with an alarm which is connected with the light reflection device through a lead.
According to a preferred technical scheme, the straightening assembly comprises a fixed arc plate, fixed ring cylinders and clamping ring cylinders, the fixed ring cylinders are fixed on the inner side walls of the fixed arc plate, fixed columns are fixed on the inner walls of the fixed microphones and are arranged in a plurality of groups in a circumferential arrangement mode, compression springs are further connected to the fixed columns, the inner side ends of the compression springs are connected with the outer side walls of the clamping ring cylinders concentrically arranged in the fixed ring cylinders, the fixed ring cylinders and the clamping ring cylinders are of a two-half-ring-cylinder splicing structure, and auxiliary rollers are mounted on the inner side arc surfaces of the clamping ring cylinders.
As a preferable technical scheme of the invention, the light emitting device comprises an alarm lamp, a reflecting screen and a refraction net, the alarm lamp is arranged at the center of the reflecting screen close to the inner side surface, and the refraction net is arranged in the reflecting screen and conducts the alarm to the alarm lamp to emit light during operation.
Compared with the prior art, the invention provides an efficient high-voltage power cable fault positioning device, which has the following beneficial effects:
1. the power cable fault positioning device is designed to run and detect along the surface of a cable, the cable section in the positioning shell is in an open circuit state, the change of the current indicating number is monitored, the position of the cable with the fault is judged, the alarm and the length calculation are carried out on the position of the fault through the matching work of the alarm and the positioning assembly, the position of the cable with the fault can be clearly observed, and the position of the fault can be accurately calculated.
2. According to the invention, the guide wheel can be tightly attached to the outer side wall of the arc-shaped cable which is concave in practice by elastically compressing the guide box through the adjusting frame in the guide device, the cable ring surface detected by the guide box is relatively ensured to be in a vertical horizontal plane state through the arc-shaped plate and the micro roller which are close to one side of the guide wheel, and the cable section clamped by the guide box is straightened through the auxiliary straightening device, so that the other end of the guide device is tightly attached to the outer side wall of the cable, the phenomenon that the current transmission of the positioning shell is unstable due to the fact that the cable in a bending state is not tightly attached to the guide wheel is avoided, the authenticity of the current indicating number is influenced, and the shaking force of the cable is eliminated through the elastic structure in the auxiliary straightening device, so that the positioning shell can stably, rapidly and accurately walk and detect along the surface of the cable, and the detection of cable, And (3) accurate positioning efficiency.
Drawings
FIG. 1 is a schematic view of a positioning device according to the present invention;
FIG. 2 is an enlarged view of the structure of the conduction device of the present invention;
FIG. 3 is an enlarged view of the clamping device of the present invention;
FIG. 4 is an enlarged view of the structure at A of the present invention;
FIG. 5 is an enlarged view of the auxiliary alignment device and the light reflection device of the present invention;
FIG. 6 is an enlarged view of the alignment assembly of the present invention;
in the figure: 1. positioning the housing; 2. a conducting means; 3. a clamping device; 4. an auxiliary straightening device; 5. a light reflecting means; 21. an L-shaped fixed seat; 22. an up-down moving frame; 23. an adjusting bracket; 24. a conductive box; 25. an annular sleeve; 26. a transmission wheel; 27. a telescopic rod; 28. an auxiliary holder; 31. a fixing plate; 32. an arc-shaped ring plate; 33. a clamping seat; 34. a clamping assembly; 35. fixing the rod; 36. a telescopic rod; 341. a circular cylinder; 342. a compressor; 343. 20866a jig; 344. a trapezoidal base; 345. a drive wheel; 41. a buffer plate; 42. a flexible pad; 43. an ammeter; 44. a positioning assembly; 45. a straightening assembly; 46. a x-shaped frame; 451. fixing the arc plate; 452. a stationary collar; 453. a clamping ring cylinder; 454. fixing a column; 455. a compression spring; 456. an auxiliary roller; 51. an alarm lamp; 52. a reflective screen; 53. a refractive network.
Detailed Description
Referring to fig. 1, the present invention provides a technical solution: an efficient high-voltage power cable fault positioning device comprises a positioning shell 1, a conduction device 2, a clamping device 3, an auxiliary straightening device 4 and a light reflection device 5, wherein the conduction device 2 is symmetrically arranged at two ends of the positioning shell 1 and sleeved on the outer wall of a cable in the positioning shell 1, and the conduction device 2 at the left end and the right end is connected through a lead, so that the cable in the positioning shell 1 is in an open circuit state;
the auxiliary straightening device 4 is installed at the center of the positioning shell 1, a clamping device 3 is further arranged between the conduction device 2 and the auxiliary straightening device 4, a light reflection device 5 is arranged on the outer side wall of the center of the positioning shell 1, a cable section in the positioning shell 1 is tensioned, and the fault position of the cable is positioned and alarmed;
as a preferred embodiment, for an open circuit fault in cable faults, in the structure, a cable segment contained in the positioning housing 1 is opened, so that no current passes through the cable segment, the current representation number is compared with a specified value range detected by a normal cable, if the current representation number is different from the specified value range, the device is operated, and when data displayed by the current representation number is displayed in the specified value range, the cable segment contained in the positioning housing 1 is judged to be a fault segment.
Referring to fig. 2, in this embodiment, the conduction device 2 includes two sets of L-shaped fixing seats 21, an adjusting frame 23, a conduction box 24 and a conduction wheel 26, the conduction device 2 is arranged in an up-down symmetrical manner, a vertical plate on the left side of the L-shaped fixing seat 21 is connected with a vertically moving frame 22 which is arranged in a transverse direction in a sliding manner, an expansion link 27 is fixed on an inner wall of a transverse plate on the upper side of the L-shaped fixing seat 21, and an auxiliary clamping seat 28 is fixed at an output end of the expansion;
the side wall of the left end of the adjusting frame 23 is hinged with a clamping plate frame in the right side of the up-down moving frame 22, the right end of the adjusting frame 23 is hinged with the left side wall of the outer side transmission box 24, the left side of the transmission box 24 is provided with an annular sleeve 25, the annular sleeve 25 is of an upper-lower semicircular splicing structure, and the inner wall of the right side of the annular sleeve 25 is provided with transmission wheels 26 which are circumferentially arranged in multiple groups;
and reset springs are further arranged between the upper side wall and the lower side wall of the transmission box 24 and the inner side wall of the adjusting frame 23, wherein the left side of the adjusting frame 23 is pressed towards the inner side direction, so that the transmission wheel 26 is in close contact with the surface of the cable in a fitting and rolling manner, the transmission wheel 26 can transmit current on the cable, and a transmission shaft in each group of the transmission wheels 26 is connected with a right wire and is converged into the transmission box 24 to be connected with one right wire in a merging manner.
In this embodiment, supplementary holder 28 is including arc and concave mould board, arc up end and concave mould board bottom end face elastic connection, just install miniature gyro wheel on the arc inside wall, horizontal joint has the wire that runs through conduction case 24 and conduction wheel 26 and be connected on the concave mould board, it needs to notice, the arc is close to mutually with conduction case 24, conduction wheel 26, arc and the supplementary comparatively parallel and level of cable surface of maintaining the rolling laminating of conduction wheel 26 of miniature gyro wheel of inside thereof make its interconnect inseparabler, and the electric current conduction is more accurate.
Referring to fig. 3, in this embodiment, the clamping device 3 includes a fixed plate 31, an arc-shaped ring plate 32, a clamping seat 33 and a clamping assembly 34, the clamping seat 33 is fixed at the center of the fixed plate 31, a fixed rod 35 is fixed on the upper and lower end faces of the clamping seat 33 near the outer end, a roller seat is further fixed on the surface of the fixed plate 31 in the direction vertical to the fixed rod 35, a telescopic rod 36 is hinged on the roller seat, and the lower end of the telescopic rod 36 is hinged to the upper end of the fixed rod 35;
arc-shaped annular plates 32 are further fixed on the front side and the rear side close to the center of the fixed plate 31, and clamping assemblies 34 are arranged between the arc-shaped annular plates 32 on the front side and the rear side and are circumferentially arranged in multiple groups.
Referring to fig. 4, in the present embodiment, the clamping assembly 34 includes a circular cylinder 341, a bracket 20866, a jig 343, and a driving wheel 345, wherein a compressor 342 is fixed to an axis of the circular cylinder 341, an annular sliding cavity is formed on a sidewall of the circular cylinder 341, a trapezoidal seat 344 is fixed to an output end of the compressor 342, and a circular groove is formed on a right side of the trapezoidal seat 344;
the 20866;'s' type frame 343 upper and lower foot bars are connected inside the annular sliding cavity in a sliding manner, and the 20866;'s' type frame 343 middle vertical support plate left side face center is fixed with a rotating disc, which is embedded inside the circular groove and connected in a rotating manner;
the vertical angle drums are fixed at the upper end and the lower end of the right side face of the v-20866; 'shaped frame 343, and driving wheels 345 are rotatably connected between the vertical angle drums, wherein the v-20866;' shaped frame 343 can be matched with the driving wheels 345 to rotate freely, and the center plane of the driving wheels 345 is a concave curved surface so as to be matched and tightly attached to slightly bent cables, and the cable sections in the positioning shell 1 are primarily aligned so that the right-side guide wheel 26 is tightly attached to the outer surface of the cables.
Referring to fig. 5, in this embodiment, the auxiliary straightening device 4 includes a buffer plate 41, an x-shaped frame 46 and a straightening assembly 45, the buffer plate 41 is symmetrically disposed in two groups up and down, a strip-shaped slide rail is disposed on an inner side surface of a center of the buffer plate 41, an upper end and a lower end of the x-shaped frame 46 are slidably connected to the strip-shaped slide rail, a buffer spring is further disposed at an end of an outer side of the strip-shaped slide rail and used for connecting the upper side and the lower side of the buffer plate, a certain limit cavity is reserved between inner side planes at two ends of the upper side and the lower side of the buffer plate 41, and a flexible pad 42 is embedded;
a straightening assembly 45 is fixed at the center below the buffer plate 41, ammeter 43 are arranged on the left side and the right side of the straightening assembly 45, the ammeter 43 are connected in series, and a positioning assembly 44 is arranged below the position corresponding to the ammeter 43;
the ammeter 43 is also provided with an alarm which is connected with the light reflection device 5 through a lead;
through the matching operation of the buffer plate 41 and the X-shaped frame 46, the shaking of the cable is reduced, the effect that the guide wheel 26 is separated from the surface of the cable or is not tightly attached is caused, and the data obtained by the ammeter 43 is inaccurate;
in a preferred embodiment, the positioning assembly 44 can calculate the distance traveled by the positioning device by the number of turns of the positioning wheel.
Referring to fig. 6, in this embodiment, the straightening assembly 45 includes a fixed arc plate 451, fixed ring cylinders 452 and clamping ring cylinders 453, the fixed ring cylinders 452 are fixed on an inner side wall of the fixed arc plate 451, fixed columns 454 are fixed on an inner wall of the fixed microphone and are arranged in a plurality of groups in a circumferential arrangement, compression springs 455 are further connected to the fixed columns 454, inner side ends of the compression springs 455 are connected to outer side walls of the clamping ring cylinders 453 concentrically arranged inside the fixed ring cylinders 452, the fixed ring cylinders 452 and the clamping ring cylinders 453 are both of a two-half ring cylinder splicing structure, and auxiliary rollers 456 are mounted on inner side arc surfaces of the clamping ring cylinders 453.
In this embodiment, light emitting device 5 includes alarm lamp 51, reflecting screen 52 and refraction net 53, alarm lamp 51 sets up and leans on the medial surface at reflecting screen 52 center, reflecting screen 52 internally mounted has refraction net 53, and it is luminous to the alarm conduction to alarm lamp 51 operation.
In specific implementation, the positioning device is clamped and sleeved above a cable, wherein the cable is in a power-on state, the transmission wheels 26 at two ends of the positioning shell 1 are connected in series through a lead, so that a section of the cable clamped between the transmission wheels forms an open-circuit state, meanwhile, the driving wheel 345 drives the positioning device to run along the surface of the cable, the arc-shaped plate in the clamping device 3 and the clamping ring tube 453 in the auxiliary straightening device 4 are matched with the cable between the straightening shell 1, so that the right transmission wheel 26 is tightly attached to the cable, the twisting force generated by the shaking of the cable is absorbed under the matching of the compression spring 455 in the straightening assembly 45, the buffer spring and the flexible pad, the real-time tight attachment between the transmission wheel 26 and the cable is ensured, the running length of the positioning shell 1 is calculated through the positioning assembly 44, and when the indication number of the ammeter is suddenly changed or is within the numerical range of current in normal cable circulation, the alarm light 51 is transmitted through the alarm, the light is diffused through the reflecting screen 52, the walking distance is calculated according to the number of turns of the positioning wheel in the positioning assembly 44, and the accurate position of the fault is obtained.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution of the present invention and the inventive concept within the technical scope of the present invention, and the technical solution and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. The utility model provides an efficient high voltage power cable fault locating device, its includes location casing (1), conduction device (2), clamping device (3), supplementary coalignment (4) and light reflex device (5), its characterized in that: the conducting devices (2) are symmetrically arranged at two ends of the positioning shell (1) and sleeved on the outer wall of the cable in the positioning shell (1), and the left end and the right end of the conducting devices (2) are connected through a lead, so that the cable in the positioning shell (1) is in an open circuit state;
auxiliary straightening device (4) are installed in location casing (1) center department, are located still be equipped with clamping device (3) between conduction device (2) and auxiliary straightening device (4), location casing (1) center lateral wall is equipped with light reflection device (5), tensioning the cable section of location casing (1) inside is fixed a position, is reported to the police to the position of cable department trouble.
2. A highly efficient high voltage power cable fault location device as claimed in claim 1, wherein: the conduction device (2) comprises L-shaped fixed seats (21), adjusting frames (23), conduction boxes (24) and conduction wheels (26), the conduction devices (2) are symmetrically arranged in two groups up and down, vertical plates on the left sides of the L-shaped fixed seats (21) are connected with vertically moving frames (22) which are transversely arranged in a sliding mode, telescopic rods (27) are fixed on the inner wall of a transverse plate on the upper side of each L-shaped fixed seat (21), and auxiliary clamping seats (28) are fixed at the output ends of the telescopic rods (27);
the side wall of the left end of the adjusting frame (23) is hinged with a clamping plate frame in the right side of the up-and-down moving frame (22), the right end of the adjusting frame (23) is hinged with the left side wall of the outer-side transmission box (24), an annular sleeve (25) is arranged on the left side of the transmission box (24), the annular sleeve (25) is of an upper semicircular splicing structure and a lower semicircular splicing structure, and transmission wheels (26) are arranged on the inner wall of the right side of the annular sleeve (25) and are circumferentially arranged in multiple groups;
and a return spring is arranged between the upper and lower side walls of the transmission box (24) and the inner side wall of the adjusting frame (23).
3. A highly efficient high voltage power cable fault location device as claimed in claim 2, wherein: the auxiliary clamping seat (28) comprises an arc plate and a concave plate, the upper end face of the arc plate is elastically connected with the bottom end face of the concave plate, a miniature roller is installed on the inner side wall of the arc plate, and a wire penetrating through the transmission box (24) and connected with the transmission wheel (26) is transversely clamped on the concave plate.
4. A highly efficient high voltage power cable fault location device as claimed in claim 1, wherein: the clamping device (3) comprises a fixing plate (31), an arc-shaped annular plate (32), a clamping seat (33) and a clamping assembly (34), wherein the clamping seat (33) is fixed at the center of the fixing plate (31), a fixing rod (35) is fixed on the upper end face and the lower end face of the clamping seat (33) close to the outer end, a roller seat is further fixed on the surface of the fixing plate (31) in the vertical direction of the fixing rod (35), a telescopic rod (36) is hinged to the roller seat, and the lower end of the telescopic rod (36) is hinged to the upper end of the fixing rod (35);
arc-shaped annular plates (32) are further fixed on the front side face and the rear side face close to the center of the fixing plate (31), and clamping assemblies (34) are arranged between the arc-shaped annular plates (32) on the front side and the rear side and are circumferentially arranged to form multiple groups.
5. An efficient high voltage power cable fault location device as claimed in claim 4, wherein: the clamping assembly (34) comprises a circular cylinder (341), a bracket (20866), a fixture (343) and a driving wheel (345), wherein a telescopic machine (342) is fixed at the axis of the circular cylinder (341), an annular sliding cavity is formed in the side wall of the circular cylinder (341), a trapezoidal seat (344) is fixed at the output end of the telescopic machine (342), and a circular groove is formed in the right side of the trapezoidal seat (344);
the 20866;'s' type frame (343) upper and lower foot bars are connected inside the annular sliding cavity in a sliding manner, and the center of the left side surface of the vertical support plate in the 20866;'s' type frame (343) is fixed with a rotating disc which is embedded inside the circular groove and connected in a rotating manner;
the vertical angle cylinders are fixed at the upper and lower ends of the right side surface of the 20866; (343), and a driving wheel (345) is rotatably connected between the vertical angle cylinders.
6. A highly efficient high voltage power cable fault location device as claimed in claim 1, wherein: the auxiliary straightening device (4) comprises buffer plates (41), an X-shaped frame (46) and straightening components (45), wherein the buffer plates (41) are symmetrically arranged in two groups up and down, a strip-shaped slide rail is arranged on the inner side surface of the center of the buffer plates (41), the upper end and the lower end of the X-shaped frame (46) are in sliding connection with the strip-shaped slide rail, a buffer spring is further arranged at the end head of the outer side of the strip-shaped slide rail and used for connecting the upper side and the lower side of the buffer plates, a certain limiting cavity is reserved between the inner side planes of the two ends of the upper side and the lower side of the buffer plates (41), and a flexible pad (42) is embedded in the limiting;
a straightening assembly (45) is fixed at the center below the buffer plate (41), ammeter (43) are arranged on the left side and the right side of the straightening assembly (45), the ammeter (43) are connected in series, and a positioning assembly (44) is arranged below the position corresponding to the ammeter (43);
an alarm is further arranged on the ammeter (43) and connected with the light reflecting device (5) through a lead.
7. An efficient high voltage power cable fault location device as recited in claim 6, wherein: the straightening assembly (45) comprises a fixed arc plate (451), fixed ring cylinders (452) and clamping ring cylinders (453), the fixed ring cylinders (452) are fixed on the inner side wall of the fixed arc plate (451), fixed columns (454) are fixed on the inner wall of the fixed microphone and are arranged in a plurality of groups in a circumferential mode, compression springs (455) are further connected to the fixed columns (454), the inner side ends of the compression springs (455) are connected with the outer side wall of the clamping ring cylinder (453) concentrically arranged inside the fixed ring cylinder (452), the fixed ring cylinders (452) and the clamping ring cylinder (453) are both of two half ring cylinder splicing structures, and auxiliary rollers (456) are mounted on the inner side arc surface of the clamping ring cylinder (453).
8. An efficient high voltage power cable fault location device as recited in claim 6, wherein: light emitting device (5) include alarm lamp (51), reflecting screen (52) and refraction net (53), alarm lamp (51) set up and lean on the medial surface at reflecting screen (52) center, reflecting screen (52) internally mounted has refraction net (53), and it is luminous to alarm conduction to alarm lamp (51) operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110300694.0A CN113049917A (en) | 2021-03-19 | 2021-03-19 | Efficient high-voltage power cable fault positioning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110300694.0A CN113049917A (en) | 2021-03-19 | 2021-03-19 | Efficient high-voltage power cable fault positioning device |
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| CN113049917A true CN113049917A (en) | 2021-06-29 |
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| CN202110300694.0A Withdrawn CN113049917A (en) | 2021-03-19 | 2021-03-19 | Efficient high-voltage power cable fault positioning device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636076A (en) * | 2021-08-23 | 2021-11-12 | 南京赫鸿羲科技有限公司 | Power transmission and transformation equipment detection device and detection method based on unmanned aerial vehicle |
| CN115347947A (en) * | 2022-08-25 | 2022-11-15 | 国家电网有限公司 | Join in marriage net communication optical cable fault positioning device |
-
2021
- 2021-03-19 CN CN202110300694.0A patent/CN113049917A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113636076A (en) * | 2021-08-23 | 2021-11-12 | 南京赫鸿羲科技有限公司 | Power transmission and transformation equipment detection device and detection method based on unmanned aerial vehicle |
| CN113636076B (en) * | 2021-08-23 | 2024-03-12 | 南京赫鸿羲科技有限公司 | Power transmission and transformation equipment detection device and detection method based on unmanned aerial vehicle |
| CN115347947A (en) * | 2022-08-25 | 2022-11-15 | 国家电网有限公司 | Join in marriage net communication optical cable fault positioning device |
| CN115347947B (en) * | 2022-08-25 | 2023-12-12 | 国家电网有限公司 | Distribution network communication optical cable fault positioning device |
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