CN114779123B - High tension transmission line leakage detector - Google Patents

Abstract

The invention discloses a high-voltage transmission line leakage detector which comprises a box body, wherein a box door is arranged on the box body, a folding rod is arranged between the box door and the box body, an analysis processing module, a wireless transceiving module and a power supply module are arranged inside the box body, the high-voltage transmission line leakage detector also comprises a travelling mechanism and a clamping part, the two travelling mechanisms are respectively arranged on the box body on two sides of the box door, the clamping part comprises two detection clamps with arc-shaped structures, and arc-shaped magnetic components and a guide mechanism are arranged on the inner sides of the detection clamps. According to the invention, the detection clamp is arranged, the magnetic assembly is arranged on the inner side of the detection clamp and is formed by sequentially splicing a plurality of magnetic blocks, and two adjacent magnetic blocks can rotate, so that the magnetic assembly can be bent, and the magnetic assembly can be moved through the guide mechanism, so that the inner diameter size of a circular ring-shaped structure formed by the magnetic assembly is changed, and the detector can detect different numbers of lines by arranging the adjustable magnetic assembly.

Description

High tension transmission line leakage detector

Technical Field

The invention relates to the technical field of electric leakage detection, in particular to an electric leakage detector for a high-voltage transmission line.

Background

In the operation and maintenance work of the power grid, the electric leakage condition of the power line needs to be checked. Most of the leakage detectors used in the prior art are of an open type. This kind of open type's leakage detector can press from both sides the leakage current of surveying on the cable, but because the circuit that needs to detect probably is more than a event, so may need to use the leakage detector of different bores to this condition, the leakage detector of each kind of bore all need carry out the mould sinking alone, and then leads to manufacturing cost higher, and to setting up the higher circuit of height simultaneously, artifical handheld device detects comparatively inconveniently to there is higher potential safety hazard.

Disclosure of Invention

The invention aims to: in order to solve the problems, the invention provides a leakage detector for a high-voltage transmission line.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high tension transmission line leakage detector, includes the box, be provided with the chamber door on the box, be provided with the folding rod between chamber door and the box, the inside of box is provided with analysis and processing module, wireless transceiver module and power module, still includes: the two walking mechanisms are respectively arranged on the box bodies on two sides of the box door and comprise two connecting rods, driving pieces and rotating wheels are arranged at the upper ends of the connecting rods, and rotating assemblies are arranged at the lower ends of the connecting rods; the clamping part is arranged at the top of the box body and comprises two detection clamps of circular arc structures, and circular arc magnetic assemblies and guide mechanisms are arranged on the inner sides of the detection clamps.

Preferably, the magnetic assembly comprises a plurality of magnetic blocks, the upper side and the lower side of each magnetic block are respectively provided with a clamping block and a clamping groove, the two sides of each clamping groove are fixedly connected with limiting elastic pieces, the horizontal two ends of the upper side and the lower side of each magnetic block are respectively provided with a notch, two adjacent notches of the two magnetic blocks close to each other form a horn-shaped structure, and a magnet is fixedly connected to the magnetic block at the upper end of the magnetic assembly.

Preferably, the guide mechanism comprises a support component and a driving component, the support component is positioned between the magnetic component and the detection clamp, and the driving component is arranged at the lower end of the support component.

Preferably, the supporting component includes the slide bar, the one end of slide bar is connected with the detection clamp is fixed, the cover is equipped with the sliding sleeve on the slide bar, the convex bracing piece of fixedly connected with on the sliding sleeve, it is connected with a plurality of leading wheels to rotate on the bracing piece, the outside of leading wheel is provided with a plurality of annular evenly distributed's arch, is provided with drive assembly between two adjacent leading wheels, drive assembly includes two drive wheels and drive belt, drive wheel and the coaxial setting of leading wheel, drive belt and the equal rolling contact of two drive wheels, the first body of rod of fixedly connected with on the sliding sleeve, the one end fixedly connected with second body of rod of sliding sleeve is kept away from to the first body of rod, be provided with a plurality of support piece on the second body of rod.

Preferably, the driving assembly comprises a second worm wheel, a second worm and a rack are respectively arranged on the upper side and the lower side of the second worm wheel, and the second worm wheel and a guide wheel positioned at the end part of the supporting rod are coaxially arranged.

Preferably, equal fixed connection is gone up to two relative terminal surfaces in the detection clamp has the baffle for fan-shaped structure, the lower extreme that detects the clamp has logical groove, and leads to the width that the groove is greater than the width of magnetic path, the bottom fixedly connected with gear of detection clamp, two gear intermeshing on the detection clamp, gear revolve is connected with the fixing base, and fixing base and box fixed connection.

Preferably, the rotating assembly comprises a mounting seat, a first worm is connected to the mounting seat in a rotating mode, first worm wheels are arranged on two sides of the first worm, the first worm wheels are fixedly connected with the lower end of the connecting rod and are connected with the box body in a rotating mode, a rocking handle is fixedly connected with the lower end of the first worm, and a coil spring is arranged between the first worm and the mounting seat.

Preferably, the internal diameter of the rotating wheel far away from one side of the upper end of the connecting rod is smaller than the internal diameter of the rotating wheel close to one side of the connecting rod, and the lower end of the magnetic assembly is electrically connected with the analysis processing module.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

this application is through setting up the detection clamp, has set up magnetic element in the inboard that detects the clamp, and magnetic element is formed by a plurality of magnetic paths concatenation in proper order, and two adjacent magnetic paths can rotate, so magnetic element can be crooked, makes magnetic element remove through guiding mechanism to change the inner diameter size of the ring shaped structure that magnetic element formed, so this detector makes the detector can detect the circuit of different quantity through setting up adjustable's magnetic element.

This application is through setting up the box, set up analysis processing module in the box, wireless transceiver module and power module, and set up running gear outside the box, make the box can hang on the circuit, to erectting highly higher circuit, do not need the long-time high altitude construction of inspector, inspector controls through terminal equipment, make the box walk along the circuit is automatic through running gear, by wireless transceiver module transmission data, look over on terminal equipment can, so this detector can improve the security of testing process, and improve detection efficiency.

Drawings

FIG. 1 is a schematic diagram illustrating an overall structure of a detector according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a walking mechanism provided according to an embodiment of the present invention;

FIG. 3 is a schematic view of a clamp structure provided according to an embodiment of the present invention;

FIG. 4 is a schematic diagram illustrating a combined structure of two magnetic assemblies provided according to an embodiment of the present invention;

FIG. 5 is a schematic diagram illustrating a connection structure of magnetic blocks according to an embodiment of the present invention.

Illustration of the drawings:

1. a box body; 2. a box door; 3. an analysis processing module; 4. a wireless transceiver module; 5. a power supply module; 6. a folding bar; 7. a mounting seat; 8. a first worm; 9. a rocking handle; 10. a coil spring; 11. a first worm gear; 12. a connecting rod; 13. a drive member; 14. a rotating wheel; 15. detecting a clamp; 16. a baffle plate; 17. a magnetic component; 1701. a magnetic block; 1702. a clamping block; 1703. a card slot; 1704. a limiting elastic sheet; 1705. a notch; 18. a magnet; 19. a fixed seat; 20. a gear; 21. a slide bar; 22. a sliding sleeve; 23. a support bar; 24. a guide wheel; 25. a protrusion; 26. a driving wheel; 27. a transmission belt; 28. a second worm gear; 29. a second worm; 30. a rack; 31. a first rod body; 32. a second rod body; 33. a support member.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a high tension transmission line leakage detector, includes box 1, is provided with chamber door 2 on the box 1, is provided with folding rod 6 between chamber door 2 and the box 1, and the inside of box 1 is provided with analysis and processing module 3, wireless transceiver module 4 and power module 5, still includes: the two walking mechanisms are respectively arranged on the box body 1 at two sides of the box door 2 and comprise two connecting rods 12, the upper ends of the connecting rods 12 are provided with driving pieces 13 and rotating wheels 14, and the lower ends of the connecting rods 12 are provided with rotating assemblies; the clamping part is arranged at the top of the box body 1 and comprises two detection clamps 15 with arc-shaped structures, and arc-shaped magnetic assemblies 17 and a guide mechanism are arranged on the inner sides of the detection clamps 15.

Specifically, as shown in fig. 3, 4 and 5, the lower end of the magnetic assembly 17 is electrically connected to the analysis processing module 3, the magnetic assembly 17 includes a plurality of magnetic blocks 1701, the upper and lower sides of the magnetic blocks 1701 are respectively provided with a fixture block 1702 and a fixture slot 1703, both sides of the fixture slot 1703 are fixedly connected with a limiting elastic piece 1704, both horizontal ends of the upper and lower sides of the magnetic blocks 1701 are respectively provided with a notch 1705, and two notches 1705 of two adjacent magnetic blocks 1701 close to each other form a horn-shaped structure. Magnetic component 17 is formed by splicing a plurality of magnetic blocks 1701 end to end in sequence, a clamping block 1702 can enter a clamping groove 1703, a limiting elastic piece 1704 can limit the clamping block 1702, so that the clamping block 1702 is not easy to separate from the clamping groove 1703, the clamping block 1702 and the clamping groove 1703 are both cylindrical structures, therefore, the adjacent magnetic blocks 1701 can rotate, and meanwhile, the gaps 1705 increase the range of the rotation angle of the magnetic blocks 1701, so that the bending degree of the magnetic component 17 is improved. The guide mechanism comprises a support component and a driving component, the support component is positioned between the magnetic component 17 and the detection clamp 15, and the driving component is arranged at the lower end of the support component. The supporting component comprises a sliding rod 21, one end of the sliding rod 21 is fixedly connected with the detection clamp 15, a sliding sleeve 22 is sleeved on the sliding rod 21, a supporting rod 23 which is arc-shaped is fixedly connected onto the sliding sleeve 22, a plurality of guide wheels 24 are connected onto the supporting rod 23 in a rotating mode, a plurality of bulges 25 which are evenly distributed in an annular mode are arranged on the outer sides of the guide wheels 24, the bulges 25 can enter horn-shaped spaces formed by two adjacent gaps 1705, the bulges 25 push the magnetic blocks 1701 to move along with the rotation of the guide wheels 24, a transmission component is arranged between the two adjacent guide wheels 24 and comprises two transmission wheels 26 and a transmission belt 27, the transmission wheels 26 and the guide wheels 24 are coaxially arranged, the transmission belt 27 is in rolling contact with the two transmission wheels 26, and the transmission component can enable all the guide wheels 24 on the supporting rod 23 to rotate synchronously and in the same direction. The sliding sleeve 22 is fixedly connected with a first rod 31, one end of the first rod 31, which is far away from the sliding sleeve 22, is fixedly connected with a second rod 32, and the second rod 32 is provided with a plurality of supporting members 33. The driving assembly comprises a second worm wheel 28, a second worm 29 and a rack 30 are respectively arranged on the upper side and the lower side of the second worm wheel 28, and the second worm wheel 28 is coaxially arranged with the guide wheel 24 positioned at the end part of the supporting rod 23. The second worm 29 rotates to rotate the second worm wheel 28, and since the second worm wheel 28 is engaged with the rack 30, the second worm wheel 28 can roll along the rack 30 while rotating the guide wheel 24. When the guide wheel 24 moves the magnetic block 1701 upwards through the protrusion 25, the spiral directions of the second worms 29 on the two detection clamps 15 are opposite, so that the two support rods 23 are separated from each other, and the magnetic assembly 17 is gradually spread, and the inner diameter of the annular structure formed by the two magnetic assemblies 17 is increased, whereas when the magnetic block 1701 moves downwards, the two support rods 23 approach each other, the lower end of the magnetic assembly 17 moves downwards, and the inner diameter of the annular structure is gradually reduced.

Specifically, as shown in fig. 1 and 3, two opposite end faces of the detection clip 15 are fixedly connected with blocking plates 16 having a fan-shaped structure, and the blocking plates 16 can protect the magnetic assembly 17. The lower end of the detection clamp 15 is provided with a through groove, the width of the through groove is larger than that of the magnetic block 1701, and the magnetic assembly 17 can pass through the through groove to be connected with the analysis processing module 3. The bottom fixedly connected with gear 20 that detects to press from both sides 15, two detect the gear 20 intermeshing on pressing from both sides 15, gear 20 rotates and is connected with fixing base 19, and fixing base 19 and box 1 fixed connection. One detects and presss from both sides 15 and rotate and keep away from another and detect and press from both sides 15, and under the meshing of gear 20, two gear 20 reverse rotation simultaneously, and then make two detect and press from both sides 15 and keep away from each other, make the opening that detects the upper end of pressing from both sides 15 open, make things convenient for the cable to get into the inboard that detects and press from both sides 15. The magnet 1701 at the upper end of the magnetic assembly 17 is fixedly connected with a magnet 18, when the upper end of the detection clamp 15 is separated, the supporting assembly and the driving assembly synchronously rotate along with the detection clamp 15, the upper ends of the two magnetic assemblies 17 are separated immediately, and when the two magnetic assemblies 17 are combined, the magnets 18 attract each other, so that the two magnetic assemblies 17 are encircled into a whole.

Specifically, as shown in fig. 1 and fig. 2, the rotating assembly includes a mounting base 7, a first worm 8 is rotatably connected to the mounting base 7, first worm wheels 11 are respectively disposed on two sides of the first worm 8, the first worm wheels 11 are fixedly connected to the lower end of a connecting rod 12, the first worm wheels 11 are rotatably connected to the box body 1, a rocking handle 9 is fixedly connected to the lower end of the first worm 8, and a coil spring 10 is disposed between the first worm 8 and the mounting base 7. The inner diameter of the side of runner 14 remote from the upper end of connecting rod 12 is smaller than the inner diameter of the side of runner 14 near connecting rod 12. When the coil spring 10 is in a natural state, the two rotating wheels 14 are in a state of being close to each other, when the detector is erected, the rocking handle 9 is held to rotate the first worm 8, the first worm wheel 11 is rotated to drive the connecting rods 12 on the two sides to rotate towards the two sides, the two rotating wheels 14 are far away from each other, at the moment, the lifting box body 1 can enable a circuit to penetrate between the two rotating wheels 14 and enter between the connecting rods 12 on the two sides, the connecting rods 12 are provided with bends, a space between the connecting rods 12 on the two sides can contain a plurality of cables, the coil spring 10 generates torque when the first worm wheel 11 rotates, after the rocking handle 9 is released, the torque of the coil spring 10 is released, the rocking handle 9 is driven to rotate reversely, the connecting rod 12 is rotated reversely, the two runners 14 are close to each other, thereby make the opening of connecting rod 12 upper end close, runner 14 laminating cable surface, driving piece 13 starts the back, and runner 14 is rotatory to drive box 1 and remove along the circuit. The reducer of wheel 14 is designed so that wheel 14 can rotate on a variety of cable sizes in a point contact manner.

In summary, in the high-voltage transmission line leakage detector provided by this embodiment, when in use, an inspector moves the detector to the side of the transmission line through the lifting platform, so that the box body 1 is located below the line, the inspector holds the rocking handle 9 to rotate the first worm 8, the first worm 8 rotates to generate a torque on the coil spring 10, the first worm wheel 11 rotates to rotate the connecting rod 12 around the first worm wheel 11, so that the two adjacent rotating wheels 14 are separated from each other, then the box body 1 is lifted to position the transmission line between the two rotating wheels 14, then the inspector releases the rocking handle 9, the torque on the coil spring 10 is released to reverse the first worm 8, the connecting rod 12 reverses to make the two rotating wheels 14 approach each other, at this time, the box body 1 is released, the detector can be hung on the line, for lines with different numbers of cables, when the number of cables is large, the second worm 29 is rotated to rotate the second worm wheel 28, and then the second worm wheel 28 moves along the rack 30, the support rod 23 moves synchronously with the second worm wheel 28, the sliding sleeve 22 moves along the sliding rod 21, the support component moves synchronously with the sliding sleeve 22, the support 33 supports the magnetic component 17, and the second worm wheel 28 drives the guide wheel 24 to rotate, the protrusion 25 is clamped in the gap 1705 of the two adjacent magnetic blocks 1701, so that the magnetic component 17 is spread, the inner diameter of the annular structure formed by the two magnetic components 17 is increased, therefore, more cables can be accommodated, and when the number of cables is less, the inner diameter of the annular structure formed by the two magnetic components 17 is reduced by rotating the second worm 29 reversely.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (1)

1. The utility model provides a high tension transmission line leakage detector, includes box (1), be provided with chamber door (2) on box (1), be provided with folding rod (6) between chamber door (2) and box (1), the inside of box (1) is provided with analysis and processing module (3), wireless transceiver module (4) and power module (5), its characterized in that still includes:

the two walking mechanisms are respectively arranged on the box body (1) on two sides of the box door (2), each walking mechanism comprises two connecting rods (12), a driving piece (13) and a rotating wheel (14) are arranged at the upper ends of the connecting rods (12), and a rotating assembly is arranged at the lower end of each connecting rod (12);

the clamping part is arranged at the top of the box body (1) and comprises two detection clamps (15) with arc structures, and arc magnetic assemblies (17) and a guide mechanism are arranged on the inner sides of the detection clamps (15);

the magnetic assembly (17) comprises a plurality of magnetic blocks (1701), a clamping block (1702) and a clamping groove (1703) are respectively arranged on the upper side and the lower side of each magnetic block (1701), limiting elastic pieces (1704) are fixedly connected to the two sides of each clamping groove (1703), notches (1705) are respectively arranged at the horizontal two ends of the upper side and the lower side of each magnetic block (1701), two adjacent notches (1705) of each two adjacent magnetic blocks (1701) form a horn-shaped structure, and a magnet (18) is fixedly connected to each magnetic block (1701) at the upper end of the magnetic assembly (17);

the guide mechanism comprises a supporting component and a driving component, the supporting component is positioned between the magnetic component (17) and the detection clamp (15), and the driving component is arranged at the lower end of the supporting component;

the supporting component comprises a sliding rod (21), one end of the sliding rod (21) is fixedly connected with a detection clamp (15), a sliding sleeve (22) is sleeved on the sliding rod (21), a circular arc-shaped supporting rod (23) is fixedly connected on the sliding sleeve (22), a plurality of guide wheels (24) are rotatably connected on the supporting rod (23), a plurality of circular uniformly distributed bulges (25) are arranged on the outer side of each guide wheel (24), a transmission component is arranged between every two adjacent guide wheels (24), the transmission component comprises two transmission wheels (26) and a transmission belt (27), the transmission wheels (26) and the guide wheels (24) are coaxially arranged, the transmission belt (27) and the two transmission wheels (26) are in rolling contact, a first rod body (31) is fixedly connected on the sliding sleeve (22), and a second rod body (32) is fixedly connected at one end, far away from the sliding sleeve (22), of the first rod body (31), a plurality of supporting pieces (33) are arranged on the second rod body (32);

the driving assembly comprises a second worm wheel (28), a second worm (29) and a rack (30) are respectively arranged on the upper side and the lower side of the second worm wheel (28), and the second worm wheel (28) and a guide wheel (24) positioned at the end part of the supporting rod (23) are coaxially arranged;

the detection clamp is characterized in that two opposite end faces of the detection clamp (15) are fixedly connected with baffle plates (16) with fan-shaped structures, the lower end of the detection clamp (15) is provided with a through groove, the width of the through groove is larger than that of the magnetic block (1701), the bottom of the detection clamp (15) is fixedly connected with a gear (20), the gears (20) on the two detection clamps (15) are meshed with each other, the gear (20) is rotatably connected with a fixed seat (19), the fixed seat (19) is fixedly connected with the box body (1), the rotating assembly comprises a mounting seat (7), a first worm (8) is rotatably connected onto the mounting seat (7), two sides of the first worm (8) are respectively provided with a first worm wheel (11), the first worm wheels (11) are fixedly connected with the lower ends of the connecting rods (12), the first worm wheels (11) are rotatably connected with the box body (1), and the lower ends of the first worm (8) are fixedly connected with rocking handles (9), and a coil spring (10) is arranged between the first worm (8) and the mounting seat (7), the inner diameter of one side, away from the upper end of the connecting rod (12), of the rotating wheel (14) is smaller than the inner diameter of one side, close to the connecting rod (12), of the rotating wheel (14), and the lower end of the magnetic component (17) is electrically connected with the analysis processing module (3).

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