High-voltage power cable fault on-line positioning device

Abstract

The invention discloses a high-voltage power cable fault on-line positioning device which comprises a mounting frame and a roller assembly arranged at the position, close to the bottom of the mounting frame, of the mounting frame, a connecting frame is fixed to the position, close to the top of the mounting frame, of one side of the mounting frame, a right transverse plate is fixed to the side, away from the mounting frame, of the connecting frame, and a cable fault detector is arranged on the right transverse plate. A left transverse plate is fixed on the frame body on the same side of the connecting frame and the mounting frame, the left transverse plate and the connecting frame are jointly provided with a driving mechanism, and the mounting frame is provided with a transmission mechanism which is used for adjusting the rotation of the cable fault detector by using the power of the driving mechanism when the device is in a standing state. According to the cable fault detection device, the driving mechanism can provide advancing power for the roller assembly, so that the device walks in the pipeline, and the cable fault is detected through the cable fault detector. The transmission mechanism uses the power of the driving mechanism to adjust the rotation of the cable fault detector when the device is static, thereby reducing the number of power mechanisms, and saving the cost.

Description

Technical Field

[0001] The present invention relates to the technical field of cable fault detection, and in particular to an online fault locating device for a high-voltage power cable. Background Art

[0002] As a key component of the power system, high-voltage power cables carry the heavy responsibility of transmitting large amounts of electricity over long distances. They are widely used in urban power grids, industrial parks, and other scenarios. Their advantages, such as excellent insulation, stable transmission, and compact footprint, have made them a crucial carrier of modern power transmission. In urban construction, in particular, large numbers of high-voltage power cables are laid in underground pipelines to meet urban planning and space utilization requirements.

[0003] However, high-voltage power cables are susceptible to failures during long-term operation due to a variety of factors. For example, the humid environment within underground pipelines can cause the cable insulation to age and break; external mechanical stresses (such as construction excavation and soil settlement) can damage the cables; and they can also be subject to overvoltage shocks and partial discharge, which can lead to short circuits, grounding, and disconnections. A high-voltage power cable failure can severely impact the safe and stable operation of the power system, causing widespread power outages and significant losses to industrial production and residents. Therefore, timely detection of high-voltage power cable faults is crucial.

[0004] Currently, power cable fault detection in underground pipelines mainly relies on manual inspection. However, the internal space of the pipeline is relatively small, which brings great inconvenience to manual inspection work and detection efficiency. Summary of the Invention

[0005] In order to solve the above problems, the present invention provides a device for online locating faults of high-voltage power cables.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions: A high-voltage power cable fault online positioning device, including a mounting frame and a roller assembly arranged on the mounting frame near its bottom position, a connecting frame is fixed on one side of the mounting frame near its top position, a right horizontal plate is fixed on the side of the connecting frame away from the mounting frame, a cable fault detector is arranged on the right horizontal plate, a left horizontal plate is fixed on the frame body on the same side of the connecting frame and the mounting frame, and a driving mechanism for providing forward power to the roller assembly is jointly provided on the left horizontal plate and the connecting frame, and a transmission mechanism for adjusting the rotation of the cable fault detector by using the power of the driving mechanism when the device is stationary is provided on the mounting frame.

[0007] By adopting this technical solution, the drive mechanism can provide forward power to the roller assembly, allowing the device to move within the pipeline, thereby detecting cable faults using the cable fault detector. When the device is stationary, the transmission mechanism uses the power of the drive mechanism to adjust the rotation of the cable fault detector, allowing the cable fault detector to rotate and scan for cable faults, reducing the number of power mechanisms required and saving costs.

[0008] Furthermore, the roller assembly includes an active rod that is provided through the mounting frame and is rotatably connected, a driving wheel fixed to the end of the active rod, a driven rod that is provided through the mounting frame and is rotatably connected, and a driven wheel fixed to the end of the driven rod; a fixed plate is fixed on the frame body on the same side of the connecting frame and the mounting frame, and a first vertical plate is fixed on the top of the left horizontal plate. The driving mechanism includes a first direct transmission assembly, the first direct transmission assembly includes a horizontal rod that is provided through the first vertical plate and is rotatably connected thereto, a main synchronous wheel fixedly sleeved on the horizontal rod, a slave synchronous wheel fixedly sleeved on the active rod, and a synchronous belt meshed with both the slave synchronous wheel and the main synchronous wheel. The driving mechanism also includes a first indirect transmission assembly for driving the horizontal rod to rotate and a driving assembly that provides power to the first indirect transmission assembly.

[0009] By adopting the above technical solution, the drive assembly can provide power to the first indirect transmission assembly to drive the cross bar to rotate. The cross bar drives the main synchronous wheel fixed to it, the slave synchronous wheel engaged with the main synchronous wheel, the active rod fixed to the slave synchronous wheel, and the active wheel fixed to the active rod to rotate. With the cooperation of the driven wheel, the device is driven forward so that the cable fault detector can scan the cable line in the pipeline for faults.

[0010] Furthermore, the first indirect transmission assembly includes a transmission unit and a gap unit, the transmission unit including a rotating column rotatably mounted on the connecting frame, a worm fixed to one end of the rotating column, a worm wheel fixedly sleeved on the cross bar and meshing with the worm, a side frame body fixed on the connecting frame, a mounting cylinder provided through the side frame body and with a clearance fit, a first driven gear fixed at one end of the mounting cylinder and away from the rotating column, a guide rod provided through the side frame body and with a clearance fit, a spring sleeved on the guide rod and fixed between the mounting cylinder and the side frame body, a A connecting column at one end of the moving column, a first connecting key fixed to the connecting column near one end of the rotating column, and a second connecting key fixed to the other end of the connecting column, an end of the guide rod close to the rotating column is fixed to the mounting tube, a circular through hole for the first connecting key to pass through is provided on the connecting frame, a key slot for the first connecting key to be plugged in and matched is provided on one side of the rotating column, and a plug hole for the second connecting key to be plugged in and matched is provided on the first driven gear; the driving assembly continuously drives the first driven gear to rotate, and under the action of the gap unit, controls the first connecting key to intermittently exit the circular through hole and away from the key slot.

[0011] Furthermore, the driving assembly includes a driving rod that is penetrated and rotatably connected to the fixed plate, a motor that is fixed to the fixed plate and drives the driving rod, and a first driving gear that is fixedly sleeved on the driving rod and meshes with the first driven gear; the gap unit includes a second driving gear that is fixedly sleeved on the driving rod, a second driven gear that is rotatably mounted on the fixed plate and meshes with the second driving gear, and a driving tube fixed to the side of the second driven gear away from the fixed plate, the end of the driving tube away from the fixed plate is provided with an inclined surface that abuts against the end of the second connecting key away from the rotating column, and the distance between the second connecting key and the axis of the driving tube is between the inner diameter and the outer diameter of the driving tube.

[0012] Furthermore, the transmission mechanism includes a second direct transmission component, a second indirect transmission component and an adjustment component. The second direct transmission component has the same structure as the first direct transmission component and is mirror-set about the axis of the motor output shaft; the second indirect transmission component has the same structure as the first indirect transmission component and is mirror-set about the axis of the motor output shaft. When the inclined surface of the driving tube in the second indirect transmission component is abutted against the end of the second connecting key at a distance from the proximal end of the second driven gear, the inclined surface of the driving tube in the first indirect transmission component is abutted against the end of the second connecting key at a distance from the distal end of the second driven gear; a second vertical plate is fixed to the top of the left horizontal plate, the cross bar in the second direct transmission component is rotatably connected to the second vertical plate, and the adjustment component adjusts the angle of the cable fault detector when the worm gear in the second direct transmission component rotates.

[0013] By adopting the above technical solution, after the motor works, it drives the first driving gear and the second driving gear fixed to its output shaft to rotate. Since the driving tube in the first indirect transmission component and the driving tube in the second indirect transmission component are mirror images of each other with respect to the motor, when the first connecting key in the first indirect transmission component is plugged into the keyway of the rotating column, under the action of the elastic force of the spring on the sleeve, the second connecting key in the second indirect transmission component is separated from the keyway of the rotating column (during the whole process, the second connecting key in the first indirect transmission component is always pressed against the inclined surface of the driving tube in the first indirect transmission component, and the second connecting key in the second indirect transmission component is always pressed against the inclined surface of the driving tube in the second indirect transmission component). Specifically, when the first connecting key of the first indirect transmission component is plugged into the keyway of the rotating column, the second connecting key in the second indirect transmission component is separated from the keyway of the rotating column. When the keyway of the first and second connecting keys are connected, the motor works and drives the first driven gear, the second connecting key, the connecting column, the first connecting key, the rotating column, the worm, the worm wheel and the cross bar in the first indirect transmission assembly to rotate in sequence through the first driving gear. Under the cooperation of the main synchronous wheel, the synchronous belt and the slave synchronous wheel, the active rod and the active wheel rotate, thereby controlling the entire device to move forward (because the first connecting key in the second indirect transmission assembly is separated from the keyway of the rotating column, the first driven gear, the second driven gear, the second connecting key, the connecting column and the first connecting key in the second indirect transmission assembly all rotate idly, and the rotating column, the worm, the worm wheel and the cross bar in the second indirect transmission assembly remain stationary when the motor rotates. Due to the self-locking effect of the worm gear, the cable fault detector remains stationary to scan for cable faults).

[0014] Furthermore, the adjustment assembly includes a driving bevel gear fixed to the cross bar in the second direct transmission assembly, a vertical rod rotatably installed on the top of the right cross plate, a driven bevel gear fixedly sleeved on the vertical rod and meshing with the driving bevel gear, and a mounting plate fixed to the upper end of the vertical rod. The cable fault detector can be removably mounted on the top of the mounting plate.

[0015] By adopting the above technical solution, when the first connecting key in the first indirect transmission component is separated from the keyway of the rotating column, the second connecting key in the second indirect transmission component is plugged into the keyway of the rotating column. At this time, after the motor works, it drives the first driven gear, the second connecting key, the connecting column, the first connecting key, the rotating column, the worm, the worm wheel, and the cross bar in the second indirect transmission component to rotate, thereby causing the active bevel gear, the vertical rod, the driven bevel gear and the mounting plate to rotate, causing the cable fault detector to rotate around the axis of the vertical rod, thereby realizing the adjustment of the angle of the cable fault detector, expanding the scanning range of the cable fault detector and the effect of cable fault detection.

[0016] Furthermore, a controller and a battery electrically connected to the motor are fixed on the mounting frame.

[0017] Furthermore, a plurality of anti-skid grooves are provided on the wheel surfaces of the driving wheel and the driven wheel.

[0018] In summary, the present invention has the following beneficial effects:

[0019] In this application, the drive mechanism provides forward propulsion to the roller assembly, allowing the device to travel within the pipe, thereby detecting cable faults using a cable fault detector. When the device is stationary, the transmission mechanism uses the power of the drive mechanism to adjust the rotation of the cable fault detector, allowing the cable fault detector to rotate and scan for cable faults. This reduces the number of power mechanisms required and saves costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0021] Figure 2 yes Figure 1 Structural diagram from another perspective;

[0022] Figure 3 This is a schematic diagram of the connection structure between the mounting frame and the connecting frame according to an embodiment of the present invention;

[0023] Figure 4 yes Figure 3 Structural diagram from another perspective;

[0024] Figure 5 This is a structural diagram highlighting a transmission unit according to an embodiment of the present invention;

[0025] Figure 6 yes Figure 5 Schematic diagram of the local structure from another perspective;

[0026] Figure 7 It is a structural schematic diagram for highlighting the driving mechanism according to an embodiment of the present invention;

[0027] Figure 8 yes Figure 7 Enlarged schematic diagram of point A in the middle.

[0028] In the figure: 1. Mounting frame; 11. Controller; 12. Battery; 2. Roller assembly; 21. Active rod; 22. Active pulley; 23. Driven rod; 24. Driven pulley; 3. Connecting frame; 31. Right transverse plate; 32. Left transverse plate; 321. First vertical plate; 322. Second vertical plate; 33. Fixed plate; 34. Circular through hole; 4. Cable fault detector; 5. Driving mechanism; 51. First direct transmission assembly; 511. Transverse rod; 512. Main synchronous pulley; 513. Slave synchronous pulley; 514. Synchronous belt; 52. First indirect transmission assembly; 521. Transmission unit; 5211. Rotating column; 52111. Keyway; 5212. Worm; 5213. Worm wheel; 5214. Side frame; 5215 , mounting cylinder; 5216, first driven gear; 52161, plug-in hole; 5217, guide rod; 5218, spring; 5219, connecting column; 5220, first connecting key; 52201, second connecting key; 522, gap unit; 5221, second driving gear; 5222, second driven gear; 5223, driving tube; 52231, inclined plane; 53, driving assembly; 531, driving rod; 532, motor; 533, first driving gear; 6, transmission mechanism; 61, second direct transmission assembly; 62, second indirect transmission assembly; 63, adjusting assembly; 631, driving bevel gear; 632, vertical rod; 633, driven bevel gear; 634, mounting plate; 7, anti-slip groove DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application; it is obvious that the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0030] like Figure 1-8 As shown, an embodiment of the present application discloses an online positioning device for high-voltage power cable faults, comprising a mounting frame 1 and a roller assembly 2 arranged on the mounting frame 1 near its bottom position, a connecting frame 3 is fixed on one side of the mounting frame 1 near its top position, a right horizontal plate 31 is fixed on the side of the connecting frame 3 away from the mounting frame 1, a cable fault detector 4 is arranged on the right horizontal plate 31, a left horizontal plate 32 is fixed on the frame body on the same side of the connecting frame 3 and the mounting frame 1, and a driving mechanism 5 for providing forward power to the roller assembly 2 is jointly provided on the left horizontal plate 32 and the connecting frame 3, and a transmission mechanism 6 for adjusting the rotation of the cable fault detector 4 by using the power of the driving mechanism 5 when the device is stationary is provided on the mounting frame 1.

[0031] The drive mechanism 5 provides forward propulsion to the roller assembly 2, allowing the device to travel within the pipeline, thereby detecting cable faults using the cable fault detector 4. When the device is stationary, the transmission mechanism 6 uses the power of the drive mechanism 5 to adjust the rotation of the cable fault detector 4, allowing the cable fault detector 4 to rotate and scan for cable faults, thereby reducing the number of power mechanisms required and saving costs.

[0032] The roller assembly 2 includes an active rod 21 that is provided on the mounting frame 1 and is rotatably connected, a driving wheel 22 fixed to the end of the active rod 21, a driven rod 23 that is provided on the mounting frame 1 and is rotatably connected, and a driven wheel 24 that is fixed to the end of the driven rod 23. In this embodiment, a plurality of anti-slip grooves 7 are provided on the wheel surface of the active wheel 22 and the driven wheel 24; a fixing plate 33 is fixed to the frame body on the same side of the connecting frame 3 and the mounting frame 1, a first vertical plate 321 is fixed to the top of the left horizontal plate 32, and the driving mechanism 5 includes a first Direct transmission assembly 51, the first direct transmission assembly 51 includes a cross bar 511 that is arranged on the first vertical plate 321 and is rotatably connected thereto, a main synchronous wheel 512 fixedly mounted on the cross bar 511, a slave synchronous wheel 513 fixedly mounted on the active rod 21, and a synchronous belt 514 that is engaged with both the slave synchronous wheel 513 and the master synchronous wheel 512. The driving mechanism 5 also includes a first indirect transmission assembly 52 for driving the cross bar 511 to rotate and a driving assembly 53 that provides power to the first indirect transmission assembly 52.

[0033] The driving assembly 53 can provide power to the first indirect transmission assembly 52 to drive the cross bar 511 to rotate. The cross bar 511 drives the main synchronous wheel 512 fixed thereto, the slave synchronous wheel 513 engaged with the main synchronous wheel 512, the active rod 21 fixed to the slave synchronous wheel 513, and the active wheel 22 fixed to the active rod 21 to rotate. With the cooperation of the driven wheel 24, the device is driven forward so that the cable fault detector 4 can scan the cable line in the pipeline for faults.

[0034] The first indirect transmission assembly 52 includes a transmission unit 521 and a gap unit 522. The transmission unit 521 includes a rotating column 5211 rotatably mounted on the connecting frame 3, a worm 5212 fixed to one end of the rotating column 5211, a worm wheel 5213 fixedly sleeved on the cross bar 511 and meshing with the worm 5212, a side frame body 5214 fixed to the connecting frame 3, a mounting cylinder 5215 penetrating the side frame body 5214 and having a clearance fit, a first driven gear 5216 fixed to one end of the mounting cylinder 5215 and away from the rotating column 5211, a guide rod 5217 penetrating the side frame body 5214 and having a clearance fit, a spring 5218 sleeved on the guide rod 5217 and fixed between the mounting cylinder 5215 and the side frame body 5214, and a spring 5218 rotatably mounted on the mounting cylinder 5215 close to the rotating column 5211. A connecting column 5219 at one end, a first connecting key 5220 fixed to the connecting column 5219 near one end of the rotating column 5211, and a second connecting key 52201 fixed to the other end of the connecting column 5219, the guide rod 5217 is fixed to the mounting tube 5215 at one end near the rotating column 5211, a circular through hole 34 for the first connecting key 5220 to pass through is provided on the connecting frame 3, a key groove 52111 for the first connecting key 5220 to be plugged in and matched is provided on one side of the rotating column 5211, and a plug hole 52161 for the second connecting key 52201 to be plugged in and matched is provided on the first driven gear 5216; the driving assembly 53 continuously drives the first driven gear 5216 to rotate, and controls the first connecting key 5220 to intermittently exit the circular through hole 34 and away from the key groove 52111 under the action of the gap unit 522.

[0035] The driving assembly 53 includes a driving rod 531 that is penetrated and rotatably connected to the fixed plate 33, a motor 532 that is fixed to the fixed plate 33 and drives the driving rod 531, and a first driving gear 533 that is fixedly sleeved on the driving rod 531 and meshed with the first driven gear 5216; the gap unit 522 includes a second driving gear 5221 that is fixedly sleeved on the driving rod 531, a second driven gear 5222 that is rotatably mounted on the fixed plate 33 and meshed with the second driving gear 5221, and a driving tube 5223 fixed to the side of the second driven gear 5222 away from the fixed plate 33, and the end of the driving tube 5223 away from the fixed plate 33 is provided with a slope 52231 that abuts against the end of the second connecting key 52201 away from the rotating column 5211, and the distance between the second connecting key 52201 and the axis of the driving tube 5223 is between the inner diameter and the outer diameter of the driving tube 5223. In this embodiment, a controller 11 and a battery 12 electrically connected to the motor 532 are fixed on the mounting frame 1.

[0036] The transmission mechanism 6 includes a second direct transmission assembly 61, a second indirect transmission assembly 62 and an adjustment assembly 63. The second direct transmission assembly 61 has the same structure as the first direct transmission assembly 51 and is mirror-imaged with respect to the axis of the output shaft of the motor 532 (it is worth noting that the second direct transmission assembly 61 does not include a master synchronous wheel, a slave synchronous wheel and a synchronous belt); the second indirect transmission assembly 62 has the same structure as the first indirect transmission assembly 52 and is mirror-imaged with respect to the axis of the output shaft of the motor 532. When the drive tube 5223 in the second indirect transmission assembly 62 is tilted, the drive tube 5223 is tilted. When the surface 52231 is in contact with the end of the second connecting key 52201 at a distance from the proximal end of the second driven gear 5222, the inclined surface 52231 of the driving tube 5223 in the first indirect transmission component 52 is in contact with the end of the second connecting key 52201 at a distance from the distal end of the second driven gear 5222; a second vertical plate 322 is fixed to the top of the left horizontal plate 32, and the cross bar 511 in the second direct transmission component 61 is rotatably connected to the second vertical plate 322. When the worm gear 5213 in the second direct transmission component 61 rotates, the adjustment component 63 adjusts the angle of the cable fault detector 4.

[0037] After the motor 532 starts working, it drives the first driving gear 533 and the second driving gear 5221 fixed to its output shaft to rotate. Since the driving tube 5223 in the first indirect transmission component 52 and the driving tube 5223 in the second indirect transmission component 62 are mirror images of each other with respect to the motor 532, when the first connecting key 5220 in the first indirect transmission component 52 is plugged into the keyway 52111 of the rotating column 5211, under the action of the elastic force of the spring 5218 on the sleeve, the second connecting key 52201 in the second indirect transmission component 62 is plugged into the keyway 52111 of the rotating column 5211. The keyway 52111 of the column 5211 is separated (during the whole process, the second connecting key 52201 in the first indirect transmission component 52 is always pressed against the inclined surface 52231 of the driving tube 5223 in the first indirect transmission component 52, and the second connecting key 52201 in the second indirect transmission component 62 is always pressed against the inclined surface 52231 of the driving tube 5223 in the second indirect transmission component 62). Specifically, when the first connecting key 5220 in the first indirect transmission component 52 is plugged into the keyway 52111 of the rotating column 5211, the motor 532 works and drives the first driven gear 5216, the second connecting key 52201, the connecting column 5219, the first connecting key 5220, the rotating column 5211, the worm 5212, the worm wheel 5213, and the cross bar 511 in the first indirect transmission assembly 52 to rotate in sequence through the first driving gear 533. Under the cooperation of the main synchronous wheel 512, the synchronous belt 514, and the slave synchronous wheel 513, the active rod 21 and the active wheel 22 rotate, thereby controlling the entire device to move forward (due to the first connecting key 52 in the second indirect transmission assembly 62 20 is separated from the keyway 52111 of the rotating column 5211, and the first driven gear 5216, the second driven gear 5222, the second connecting key 52201, the connecting column 5219, and the first connecting key 5220 in the second indirect transmission component are all idling, and the rotating column 5211, the worm 5212, the worm wheel 5213, and the cross bar 511 in the second indirect transmission component 62 remain stationary when the motor 532 rotates. Due to the self-locking effect of the worm wheel 5213 and the worm 5212, the cable fault detector 4 remains stationary to scan for cable faults).

[0038] The adjustment assembly 63 includes a driving bevel gear 631 fixed to the cross bar 511 in the second direct transmission assembly 61, a vertical rod 632 rotatably mounted on the top of the right cross plate 31, a driven bevel gear 633 fixedly sleeved on the vertical rod 632 and meshing with the driving bevel gear 631, and a mounting plate 634 fixed to the upper end of the vertical rod 632. The cable fault detector 4 can be detachably mounted on the top of the mounting plate 634.

[0039] When the first connecting key 5220 in the first indirect transmission component 52 is separated from the keyway 52111 of the rotating column 5211, the second connecting key 52201 in the second indirect transmission component 62 is plugged into the keyway 52111 of the rotating column 5211. At this time, after the motor 532 works, it drives the first driven gear 5216, the second connecting key 52201, the connecting column 5219, the first connecting key 5220, the rotating column 5211, the worm 5212, the worm wheel 5213, and the cross bar 511 in the second indirect transmission component 62 to rotate, thereby causing the active bevel gear 631, the vertical rod 632, the driven bevel gear 633 and the mounting plate 634 to rotate, causing the cable fault detector 4 to rotate around the axis of the vertical rod 632, thereby realizing the adjustment of the angle of the cable fault detector 4, expanding the scanning range of the cable fault detector 4 and the effect of cable fault detection.

[0040] The above description is merely a preferred embodiment of the present invention. The scope of protection of the present invention is not limited to the above embodiment. All technical solutions based on the concept of the present invention are within the scope of protection of the present invention. It should be noted that for those skilled in the art, various improvements and modifications that do not depart from the principles of the present invention should also be considered within the scope of protection of the present invention.

Claims

1. A high-voltage power cable fault online location device, characterized by: The invention comprises a mounting frame (1) and a roller assembly (2) arranged on the mounting frame (1) near its bottom position, a connecting frame (3) is fixed on one side of the mounting frame (1) near its top position, a right transverse plate (31) is fixed on the side of the connecting frame (3) away from the mounting frame (1), a cable fault detector (4) is arranged on the right transverse plate (31), a left transverse plate (32) is fixed on the frame body on the same side of the connecting frame (3) and the mounting frame (1), a driving mechanism (5) for providing forward power to the roller assembly (2) is arranged on the left transverse plate (32) and the connecting frame (3), and a transmission mechanism (6) for adjusting the rotation of the cable fault detector (4) by using the power of the driving mechanism (5) when the device is stationary is arranged on the mounting frame (1).

2. The device for online locating a high-voltage power cable fault according to claim 1, characterized in that: The roller assembly (2) comprises an active rod (21) which is provided through the mounting frame (1) and is rotatably connected, an active wheel (22) which is fixed to the end of the active rod (21), a driven rod (23) which is provided through the mounting frame (1) and is rotatably connected, and a driven wheel (24) which is fixed to the end of the driven rod (23); A fixing plate (33) is fixed on the frame body on the same side of the connecting frame (3) and the mounting frame (1); a first vertical plate (321) is fixed on the top of the left horizontal plate (32); the driving mechanism (5) includes a first direct transmission component (51), the first direct transmission component (51) includes a horizontal bar (511) penetrating and rotatably connected to the first vertical plate (321), a main synchronous wheel (512) fixedly sleeved on the horizontal bar (511), a slave synchronous wheel (513) fixedly sleeved on the active rod (21), and a synchronous belt (514) meshed with both the slave synchronous wheel (513) and the main synchronous wheel (512); the driving mechanism (5) also includes a first indirect transmission component (52) for driving the horizontal bar (511) to rotate and a driving component (53) for providing power to the first indirect transmission component (52).

3. The device for online locating a high-voltage power cable fault according to claim 2, characterized in that: The first indirect transmission assembly (52) includes a transmission unit (521) and a gap unit (522). The transmission unit (521) includes a rotating column (5211) rotatably mounted on the connecting frame (3), a worm (5212) fixed to one end of the rotating column (5211), a worm wheel (5213) fixedly sleeved on the crossbar (511) and meshing with the worm (5212), a side frame body (5214) fixed on the connecting frame (3), a mounting cylinder (5215) penetrating the side frame body (5214) and having a clearance fit, a first driven gear (5216) fixed to one end of the mounting cylinder (5215) and away from the rotating column (5211), a guide rod (5217) penetrating the side frame body (5214) and having a clearance fit, a guide rod (5217) sleeved on the guide rod (5217) and fixed to the mounting cylinder (5215) and the side frame body (5214). 5214), a spring (5218) between the connecting rod (5219) and the rotating column (5214), a connecting column (5219) rotatably mounted on one end of the mounting cylinder (5215) near the rotating column (5211), a first connecting key (5220) fixed to one end of the connecting column (5219) near the rotating column (5211), and a second connecting key (52201) fixed to the other end of the connecting column (5219), one end of the guide rod (5217) near the rotating column (5211) is fixed to the mounting cylinder (5215), a circular through hole (34) for the first connecting key (5220) to pass through is provided on the connecting frame (3), a key groove (52111) for the first connecting key (5220) to be plugged in and matched is provided on one side of the rotating column (5211), and a plug hole (52161) for the second connecting key (52201) to be plugged in and matched is provided on the first driven gear (5216); The driving assembly (53) continuously drives the first driven gear (5216) to rotate, and controls the first connecting key (5220) to intermittently exit the circular through hole (34) and move away from the keyway (52111) under the action of the gap unit (522).

4. The device for online locating a high-voltage power cable fault according to claim 3 is characterized by: The driving assembly (53) includes a driving rod (531) that is provided through and rotatably connected to the fixing plate (33), a motor (532) that is fixed to the fixing plate (33) and drives the driving rod (531), and a first driving gear (533) that is fixedly sleeved on the driving rod (531) and meshes with the first driven gear (5216). The gap unit (522) includes a second driving gear (5221) fixedly sleeved on the driving rod (531), a second driven gear (5222) rotatably mounted on the fixed plate (33) and meshing with the second driving gear (5221), and a driving tube (5223) fixed to the side of the second driven gear (5222) away from the fixed plate (33), wherein an inclined surface (52231) abutting against an end of the second connecting key (52201) away from the rotating column (5211) is provided on the end of the driving tube (5223) away from the fixed plate (33), and the distance between the second connecting key (52201) and the axis of the driving tube (5223) is between the inner diameter and the outer diameter of the driving tube (5223).

5. The device for online locating a high-voltage power cable fault according to claim 4 is characterized in that: The transmission mechanism (6) includes a second direct transmission assembly (61), a second indirect transmission assembly (62) and an adjustment assembly (63), wherein the second direct transmission assembly (61) has the same structure as the first direct transmission assembly (51) and is arranged in a mirror image with respect to the axis of the output shaft of the motor (532); The structure of the second indirect transmission assembly (62) is the same as that of the first indirect transmission assembly (52) and is mirror-imaged about the axis of the output shaft of the motor (532). When the inclined surface (52231) of the driving tube (5223) in the second indirect transmission assembly (62) abuts against the end of the second connecting key (52201) from the proximal end of the second driven gear (5222), the inclined surface (52231) of the driving tube (5223) in the first indirect transmission assembly (52) abuts against the end of the second connecting key (52201) from the distal end of the second driven gear (5222). A second vertical plate (322) is fixed on the top of the left horizontal plate (32), a horizontal rod (511) in the second direct transmission assembly (61) is rotatably connected to the second vertical plate (322), and an adjustment assembly (63) adjusts the angle of the cable fault detector (4) when a worm gear (5213) in the second direct transmission assembly (61) rotates.

6. The device for online locating a high-voltage power cable fault according to claim 5, characterized in that: The adjustment assembly (63) comprises a driving bevel gear (631) fixed to the crossbar (511) in the second direct transmission assembly (61), a vertical rod (632) rotatably mounted on the top of the right cross plate (31), a driven bevel gear (633) fixedly sleeved on the vertical rod (632) and meshed with the driving bevel gear (631), and a mounting plate (634) fixed to the upper end of the vertical rod (632). The cable fault detector (4) is detachably mounted on the top of the mounting plate (634).

7. The device for online locating a high-voltage power cable fault according to claim 5, characterized in that: A controller (11) and a battery (12) electrically connected to the motor (532) are fixed on the mounting frame (1).

8. The device for online locating a high-voltage power cable fault according to claim 5, characterized in that: A plurality of anti-skid grooves (7) are provided on the wheel surfaces of the driving wheel (22) and the driven wheel (24).

Images