CN115932343A - Detector is put in office of outdoor cable junction - Google Patents
Detector is put in office of outdoor cable junction Download PDFInfo
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- CN115932343A CN115932343A CN202310218327.5A CN202310218327A CN115932343A CN 115932343 A CN115932343 A CN 115932343A CN 202310218327 A CN202310218327 A CN 202310218327A CN 115932343 A CN115932343 A CN 115932343A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of partial discharge detection, in particular to a partial discharge detector of an outdoor cable connection point, which comprises a box body, wherein four placing grooves are formed in four corners of the bottom of the box body along the diagonal direction of the four placing grooves, a supporting structure is arranged in each placing groove, a detector main body is arranged in the box body close to one side hinged with a box cover, a placing box is arranged at one end, far away from the other side hinged with the box cover, in the box body, a self-clamping tester can be placed in the placing box, a connecting wire winding frame is arranged at one side of the placing box, a placing frame is arranged on the wall surface, close to the box cover, of the outer part of the box body, a plurality of clamping pieces are arranged on the placing frame, and a supporting rod is placed on each clamping piece; the invention is provided with a plurality of support rods connected with the self-clamping tester, thereby realizing that the cable can be detected only by lifting the self-clamping tester, and further lightening the work burden of workers.
Description
Technical Field
The invention relates to the technical field of partial discharge detection, in particular to a partial discharge detector for an outdoor cable connection point.
Background
The partial discharge refers to discharge which occurs between electrodes but does not penetrate through the electrodes, and is caused by weak current in the insulation of equipment or defects caused in the production process, and the phenomenon of repeated breakdown and extinction occurs under the action of high electric field intensity. It is expressed as the breakdown of gas in the insulation, the local breakdown of solid or liquid medium in a small range, or the local breakdown discharge caused by the concentration of the field intensity at the edge and sharp corner of the metal surface. The energy of this discharge is very small, so its short-term presence does not affect the dielectric strength of the electrical equipment. However, if partial discharges occur continuously in the insulation of the electrical equipment under the operating voltage, the weak discharges will produce an accumulative effect, which gradually degrades the dielectric property of the insulation and enlarges the local defects, and finally causes the whole insulation breakdown. The discharge type can be roughly classified into an internal discharge, a surface discharge and a corona discharge of an insulating material.
When the detector is used, a hand-held mechanism needs to be held by a hand, the height of the detector body is adjusted, and the whole detector is lifted upwards, so that the mass and the volume of the detector are large, and the workload of workers is large.
Disclosure of Invention
Aiming at the problems, the invention provides the partial discharge detector for the outdoor cable connection point, and the partial discharge detector is provided with the plurality of support rods which are connected with the self-clamping tester, so that the cable can be detected only by lifting the self-clamping tester, and further the workload of workers is reduced.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
the utility model provides a detector is put in office of outdoor cable junction, the power distribution box comprises a box body, the upper portion of box is the case lid, one side of box is articulated with one side of case lid, four standing grooves have been seted up along its diagonal direction in four angles of bottom half, all be provided with the bearing structure who is used for supporting the box in every standing groove, the inside of box is close to be provided with the detector main part that is used for detecting with case lid articulated one side, the inside one end of keeping away from with case lid articulated opposite side of box is provided with places the box, can place in placing the box and be used for with the self-holding tight tester by test cable connection, one side of placing the box is provided with the connecting wire winding frame that is used for twining the connecting wire, the box outside is close to be provided with the rack on the wall with case lid articulated, be provided with a plurality of holder on the rack, place the bracing piece that is used for supporting self-holding tight tester on the holder, the bracing piece is the insulator spindle, the one end of bracing piece is the screw thread axle, the other end of bracing piece is the screw hole, the screw hole cooperatees with the screw hole.
Preferably, the self-clamping tester comprises a U-shaped frame, the opening of the U-shaped frame faces the horizontal direction, a clamping block used for clamping a test cable is arranged in the U-shaped frame, the opening of the clamping block faces downwards, a connecting structure is arranged between the upper end of the clamping block and the upper end of the U-shaped frame, the upper end of the connecting structure is fixedly connected with the inner wall of the upper end of the U-shaped frame, the lower end of the connecting structure is connected with a clamping block in a sliding mode, the two ends of the connecting structure are both provided with self-clamping structures, and the lower surface of the lower end of the U-shaped frame is provided with a second connecting seat used for being connected with a supporting rod.
Preferably, the upper surface of grip block has from top to bottom seted up first spout, the second spout has all been seted up to the both sides of the open end of grip block, second spout and first spout quadrature, connection structure is including the first connecting plate that sets up in first spout, first connecting plate and grip block sliding connection, self-clamping structure includes first link and second link, the one end of first link and the one end fixed connection of first connecting plate, the other end of first link is vertical upwards extends and is connected with the upper end of second link, the vertical setting of second link, and the second link is parallel with the lateral wall of grip block, the lower extreme that the second is connected is provided with the oblique extrusion piece, the inclined plane of oblique extrusion piece from top to bottom inclines to keep away from the grip block, be provided with the tight arm of slip clamp in the second spout, slip clamp arm and grip block sliding connection.
Preferably, the tight seat of slip clamp includes the slider, the slider slides and sets up in the second spout, one side that the slider moves towards first spout is provided with the connecting rod, connecting rod perpendicular to slider, the one end and the slider of connecting rod are connected, the tank bottom of second spout is passed to the other end of connecting rod, the other end of connecting rod is provided with and presss from both sides tight piece, press from both sides tight piece setting in the intercommunication department of second spout and first spout, the cover is equipped with second reset spring on the connecting rod, second reset spring's one end is connected with the lateral wall of slider, second reset spring's the other end is connected with the tank bottom of second spout.
Preferably, two first reset springs are symmetrically arranged in the first sliding groove relative to the middle plane of the clamping block, one end of each first reset spring is connected with the lower surface of the first connecting plate, the other end of each first reset spring is connected with the bottom of the first sliding groove, a limiting guide pillar is arranged between the two first reset springs, the bottom of each limiting guide pillar is fixedly connected with the bottom of the first sliding groove, and the upper end of each limiting guide pillar upwards penetrates through the first connecting plate and is in sliding connection with the first connecting plate.
Preferably, the second connecting seat includes the second connecting plate, the upper end of second connecting plate and the bottom fixed connection of U type frame, and the lower extreme of second connecting plate is provided with the head rod that is used for the joint support pole, and the upper end of head rod is articulated with the lower extreme of second connecting plate, and the lower extreme of head rod is the thread end.
Preferably, one end, hinged to the second connecting plate, of the first connecting rod is symmetrically provided with two baffles about the middle face of the first connecting rod, a third reset spring is arranged between each baffle and the corresponding second connecting plate, one end of the second reset spring is hinged to the corresponding second connecting plate through a hinge seat, and the other end of the second reset spring is hinged to the corresponding baffle through a hinge seat.
Preferably, the connecting wire winding frame includes the fixed axle, and the one end of fixed axle is provided with the slot, avoids fixed connection in slot and the box, and in the slot was inserted to the one end of fixed axle, the cover was equipped with connecting wire winding dish on the surface of fixed axle, and connecting wire winding dish rotates with the fixed axle to be connected, and the one end that the slot was kept away from to connecting wire winding dish is provided with the rotation handle.
Preferably, a support frame is arranged below one end, away from the inserting slot, of the connecting wire winding disc, the support frame comprises a fixing support, the bottom of the fixing support is fixedly connected with the bottom of the box body, the upper portion of the fixing support is semicircular, a plurality of idler wheels are arranged in the semicircle around the circle center of the semicircle in an annular array mode, the idler wheels are rotatably connected with the fixing support, a groove is formed in the middle of the outer circumferential surface of each idler wheel, and the outer circumferential surface of the end portion of the connecting wire winding disc is in rolling connection with the plurality of idler wheels.
Preferably, bearing structure includes first connecting seat, and first connecting seat sets up the corner that is close to the bottom half, is provided with the supporting leg in the standing groove, and the first connecting seat of one end of supporting leg is articulated, is close to on the first connecting seat to be provided with the angle stopper that is used for spacing supporting leg angle of outwards rotating with one side of supporting leg articulated.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the plurality of supporting rods are connected with the self-clamping tester, so that a worker can extend the length of the supporting rods according to the height of a cable to be tested on site and connect the self-clamping tester with the cable to be tested, the cable can be detected only by lifting the self-clamping tester, and the workload of the worker is further reduced.
Drawings
FIG. 1 is a first perspective view of a partial discharge detector for outdoor cable connection points;
FIG. 2 is a second perspective view of a partial discharge detector for outdoor cable connection points;
FIG. 3 is a third perspective view of a partial discharge detector for outdoor cable connection points;
FIG. 4 is a perspective view of a self-clamping tester in the partial discharge detector for outdoor cable connection points;
FIG. 5 is a perspective view of a clamping block, a connection structure and a self-clamping structure in a partial discharge detector for outdoor cable connection points;
FIG. 6 is a cross-sectional view of a clamping block, a connection structure and a self-clamping structure of an outdoor cable connection point partial discharge detector;
FIG. 7 is an enlarged partial view taken at A in FIG. 6;
FIG. 8 is an isometric view of a connection configuration in a partial discharge detector for outdoor cable connection points;
FIG. 9 is a perspective view of a portion of a U-shaped frame, a second connecting seat and a support rod in the partial discharge detector for outdoor cable connection points;
FIG. 10 is an enlarged partial view at B of FIG. 9;
fig. 11 is a perspective view of a connecting wire winding frame in the partial discharge detector for outdoor cable connection points;
fig. 12 is a partial enlarged view at C in fig. 11.
The reference numbers in the figures are:
1, a box body; 11-box cover; 12-placing a groove;
2-a support structure; 21-a first connection seat; 22-support legs; 23-angle stop blocks;
3-detector body;
4-placing the box;
5-self-clamping tester;
a 51-U-shaped frame;
52-a clamping block; 521-a first chute; 522-a second runner;
53-a linking structure; 531-a first connection plate; 532-a first return spring; 533-limit guide post;
54-self-clamping configuration; 541-a first connecting frame; 542-a second connecting frame; 543-obliquely pressing block; 544 — a sliding clamp arm; 5441-slider; 5442-clamping block; 5443-Link; 5444-second return spring;
55-a second connecting seat; 551-a second connecting plate; 552-first connecting rod; 5521-threaded end; 553-a baffle; 554-a third return spring;
6-a connecting wire winding frame;
61-a fixed shaft;
62-a connecting wire winding disc; 621-rotating the handle;
63-a slot;
64-a support frame; 641-a fixed support; 642-a roller;
7-placing the rack; 71-a clamp;
8-a support bar; 81-a threaded shaft; 82-threaded hole.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 12: the utility model provides a detector is put in office of outdoor cable tie point, the power distribution box comprises a box body 1, the upper portion of box 1 is case lid 11, one side of box 1 is articulated with one side of case lid 11, four standing grooves 12 have been seted up along its diagonal direction to four angles of box 1 bottom, all be provided with the bearing structure 2 that is used for supporting box 1 in every standing groove 12, the inside of box 1 is close to and is provided with the detector main part 3 that is used for detecting with case lid 11 articulated one side, the inside one end of keeping away from with case lid 11 articulated opposite side of box 1 is provided with places box 4, place in the box 4 can place be used for with by the self-holding tester 5 of test cable connection, one side of placing box 4 is provided with the connecting wire winding frame 6 that is used for the winding connecting wire, box 1 outside is close to be provided with rack 7 on the wall with case lid 11 articulated, be provided with a plurality of holder 71 on the rack 7, place the bracing piece 8 that is used for supporting self-holding tester 5 on the holder 71, bracing piece 8 is the insulating rod, the one end of bracing piece 8 is threaded shaft 81, the other end of bracing shaft is 82, threaded hole 82, threaded shaft 81 and threaded hole 82 cooperate.
When a worker detects outdoors, the supporting structure 2 at the bottom of the box body 1 is firstly opened, the box body 1 is horizontally placed on the ground, then the box cover 11 is opened, the self-clamping tester 5 is taken out from the placing box 4, then the supporting rods 8 with corresponding quantity are used according to the height of a cable to be detected, the supporting rods 8 are sequentially connected end to end, the foremost supporting rod 8 is fixedly connected with the self-clamping tester 5, then the connecting wire winding frame 6 is rotated, a longer connecting wire is released, one end of the connecting wire is connected with the detector main body 3, the other end of the connecting wire is connected with the self-clamping tester 5, the detector main body 3 is electrically connected with the self-clamping tester 5, after the equipment is connected, the worker supports the self-clamping tester 5, the self-clamping tester 5 is connected with the cable to be detected, then the test is carried out, because the working sites at all positions are different, the heights between the cable to be detected and the ground are different, the worker can extend the length of the supporting rods 8 according to the height of the cable to be detected on site, the self-clamping tester 5 is connected with the cable to be detected, and the worker can lift the load of the cable to be detected only by lifting up.
Referring to fig. 2 and 4: the self-clamping tester 5 comprises a U-shaped frame 51, wherein the opening of the U-shaped frame 51 faces the horizontal direction, a clamping block 52 used for clamping a test cable is arranged in the U-shaped frame 51, the opening of the clamping block 52 faces downwards, a connecting structure 53 is arranged between the upper end of the clamping block 52 and the upper end of the U-shaped frame 51, the upper end of the connecting structure 53 is fixedly connected with the inner wall of the upper end of the U-shaped frame 51, the lower end of the connecting structure 53 is connected with a clamping block in a sliding mode, self-clamping structures 54 are arranged at two ends of the connecting structure 53, and a second connecting seat 55 used for being connected with the supporting rod 8 is arranged on the lower surface of the lower end of the U-shaped frame 51.
The connecting structure 53 and the two self-clamping structures 54 surround three sides of the clamping block 52, a gap exists between the lower end of the clamping block 52 and the lower end of the U-shaped frame 51, a worker lifts the self-clamping tester 5 upwards to exceed a cable to be tested, then moves the clamping block 52 to be right above the cable to be tested, so that the downward opening of the clamping block 52 faces the cable to be tested, then moves the clamping block 52 downwards, the upper half of the cable to be tested is connected with the clamping block 52, meanwhile, the worker weakens the supporting force for the self-clamping tester, so that the gravity of the self-clamping tester is greater than the supporting force, the cable to be tested provides upward supporting force for the clamping block 52, therefore, the clamping block 52 cannot fall downwards, and the U-shaped frame 51, the connecting structure 53 and the self-clamping structures 54 fall down due to the fact that the gravity is greater than the received supporting force, so that the two self-clamping structures 54 approach each other to clamp the lower half part of the cable to be tested, so that the clamping block 52 is connected with the cable to be tested, and the clamping block 52 is prevented from falling off from the cable to be tested.
Referring to fig. 5 and 6: first spout 521 has been seted up from top to bottom to the upper surface of grip block 52, second spout 522 has all been seted up to the both sides of the open end of grip block 52, second spout 522 and first spout 521 quadrature, connection structure 53 includes first connecting plate 531 that sets up in first spout 521, first connecting plate 531 and grip block 52 sliding connection, self-clamping structure 54 includes first link 541 and second link 542, the one end of first link 541 and the one end fixed connection of first connecting plate 531, the other end of first link 541 extends vertically upwards and is connected with the upper end of second link 542, second link 542 is vertical to be set up, and second link 542 is parallel with the lateral wall of grip block 52, the lower extreme of second connection is provided with oblique extrusion block 543, the inclined plane of oblique extrusion block 543 from top to bottom inclines away from grip block 52, be provided with the tight arm 544 of slip clamp in the second spout 522, slip clamp arm 544 and grip block 52 sliding connection.
When the U-shaped frame 51, the connecting structure 53 and the self-clamping structure 54 are subjected to a supporting force smaller than gravity, the first connecting plate 531 slides towards the bottom of the groove along the first sliding groove 521 on the clamping block 52, meanwhile, the first connecting plate 531 drives the first connecting frame 541 to move downwards, the first connecting frame 541 drives the second connecting frame 542 to move downwards along the side wall of the clamping block 52, the second connecting frame 542 drives the inclined extrusion block 543 to vertically move downwards, the inclined extrusion block 543 extrudes the sliding clamping arms 544 to move towards the opening of the clamping block 52, and when the inclined extrusion block 543 moves downwards to the lowest position, two opposite end portions of the two sliding clamping arms 544 at two sides of the opening of the clamping block 52 abut against each other, so that the cable to be tested is clamped by the two sliding clamping arms 544 driven by the gravity of the U-shaped frame 51, the connecting structure 53 and the self-clamping structure 54.
Referring to fig. 6 and 7: the sliding clamping seat comprises a sliding block 5441, the sliding block 5441 is arranged in the second sliding groove 522 in a sliding mode, a connecting rod 5443 is arranged on one side, facing the first sliding groove 521, of the sliding block 5441, the connecting rod 5443 is perpendicular to the sliding block 5441, one end of the connecting rod 5443 is connected with the sliding block 5441, the other end of the connecting rod 5443 penetrates through the groove bottom of the second sliding groove 522, a clamping block 5442 is arranged at the other end of the connecting rod 5443, the clamping block 5442 is arranged at the communication position of the second sliding groove 522 and the first sliding groove 521, a second return spring 5444 is sleeved on the connecting rod 5443, one end of the second return spring 5444 is connected with the side wall of the sliding block 5441, and the other end of the second return spring 5444 is connected with the groove bottom of the second sliding groove 522.
When the self-clamping structure 54 is in an initial state, the lowest end of the inclined extrusion block 543 is abutted against the end of the sliding block 5441, after the clamping block 52 is clamped on a cable to be tested, the U-shaped frame 51, the connecting structure 53 and the self-clamping structure 54 drop downwards under the action of gravity, the inclined extrusion block 543 gradually moves downwards, the inclined surface of the inclined extrusion block 543 extrudes the sliding block 5441 to move towards the opening of the clamping block 52 along the second sliding groove 522, the sliding block 5441 pushes the connecting rod 5443 to move, the connecting rod 5443 pushes the clamping block 5442 forwards, at the moment, the second return spring 5444 is compressed, the air guide grooves at the two ends of the sliding block 5441 move upwards in the process that the sliding block 5441 moves towards the groove bottom of the second sliding groove 522, the air between the sliding block 5441 and the second groove is conveniently slid in the second sliding groove 522, after the test of the detector is completed, an operator increases the upward supporting force, the U-shaped frame 51, the connecting structure 53 and the self-clamping structure 54 move upwards, the second return spring 5444 returns to the clamping arm after the test is completed.
Referring to fig. 6 and 8: two first reset springs 532 are symmetrically arranged in the first sliding groove 521 relative to the middle surface of the clamping block 52, one end of each first reset spring 532 is connected with the lower surface of the first connecting plate 531, the other end of each first reset spring 532 is connected with the bottom of the first sliding groove 521, a limiting guide pillar 533 is arranged between the two first reset springs 532, the bottom of each limiting guide pillar 533 is fixedly connected with the bottom of the first sliding groove 521, and the upper end of each limiting guide pillar 533 upwards penetrates through the first connecting plate 531 and is in sliding connection with the first connecting plate 531.
The staff reduces ascending holding power, first connecting plate 531 receives gravity and moves down along first spout 521, first reset spring 532 is compressed this moment, after detecting instrument detects the completion to the cable that awaits measuring, the staff increases ascending holding power, first reset spring 532 resets, upwards jack-up first connecting plate 531, two first reset spring 532 about spacing guide pillar 533 symmetry sets up can provide the same holding power to the both ends of first connecting plate 531, make the both ends of first connecting plate 531 upwards remove or move down in step, thereby make sliding in first spout 521 that first connecting plate 531 can be smooth.
Referring to fig. 4 and 9: the second connecting seat 55 includes a second connecting plate 551, the upper end of the second connecting plate 551 is fixedly connected to the bottom of the U-shaped frame 51, the lower end of the second connecting plate 551 is provided with a first connecting rod 552 for connecting the supporting rod 8, the upper end of the first connecting rod 552 is hinged to the lower end of the second connecting plate 551, and the lower end of the first connecting rod 552 is a connecting hole end 5521.
The staff that is not convenient for under the position that awaits measuring of some cables reachs, lead to unable measuring, consequently, lower extreme at U type frame 51 sets up second connecting plate 551 and head rod 552, the staff is connected the one end that bracing piece 8 offered screw hole 82 with the connecting hole end 5521 of head rod 552 earlier, connect the back of accomplishing, block 52 with the grip block on the cable that awaits measuring, then exert oblique thrust to bracing piece 8, make grip block 52 remove along the cable that awaits measuring, because second connecting plate 551 and head rod 552 are articulated, the staff stands in steady place and can remove grip block 52 to the arbitrary department of the cable that awaits measuring, thereby when can detecting arbitrary department of cable, protection staff's safety.
Referring to fig. 9 and 10: one end of the first connecting rod 552 hinged to the second connecting rod 551 is symmetrically provided with two baffles 553 about the middle plane of the first connecting rod 552, a third return spring 554 is arranged between the baffles 553 and the second connecting rod 551, one end of the second return spring 5444 is hinged to the second connecting rod 551 through a hinge seat, and the other end of the second return spring 5444 is hinged to the baffles 553 through a hinge seat.
Because second connecting plate 551 and head rod 552 are articulated, although can detect the cable of more distant department, but can make self-holding tester 5 and bracing piece 8 form certain contained angle, the staff of being not convenient for blocks grip block 52 on the cable that awaits measuring, consequently set up separation blade and third reset spring 554 at the both ends of head rod 552, two third reset spring 554 provide ascending holding power to the separation blade at head rod 552 both ends, make head rod 552 and second connecting plate 551 keep perpendicularly, thereby be convenient for the staff with the block grip block 52 card on the cable that awaits measuring.
Referring to fig. 1 and 11: connecting wire winding frame 6 includes fixed axle 61, and the one end of fixed axle 61 is provided with slot 63, avoids fixed connection in slot 63 and the box 1, and in slot 63 was inserted to the one end of fixed axle 61, the cover was equipped with connecting wire winding disc 62 on the surface of fixed axle 61, and connecting wire winding disc 62 rotates with fixed axle 61 to be connected, and the one end that slot 63 was kept away from to connecting wire winding disc 62 is provided with rotation handle 621.
The staff has the connecting wire winding dish 62 cover of connecting wire to twine to overlap on fixed axle 61, insert slot 63 with the one end of fixed axle 61 again, at inspection scene staff rotation handle 621, will twine the sufficient length of connecting wire release department on connecting wire winding dish 62, connect and press from both sides tight tester 5 certainly, the cable that awaits measuring detects the completion back, withdraw from pressing from both sides tight tester 5 certainly, with the connecting wire with press from both sides tight tester 5 disconnection certainly, rotate handle 621 again, in withdrawing connecting wire winding dish 62 with the connecting wire, thereby realize in order releasing and retrieve the connecting wire, avoid the connecting wire to scatter at will.
Referring to fig. 1, 11 and 12: a supporting frame 64 is further arranged below one end, away from the slot 63, of the connecting wire winding disc 62, the supporting frame 64 comprises a fixing support 641, the bottom of the fixing support 641 is fixedly connected with the bottom of the box body 1, the upper portion of the fixing support 641 is semicircular, a plurality of rollers 642 are arranged in the semicircular shape in an annular array around the circle center of the semicircular shape, the rollers 642 are rotatably connected with the fixing support 641, a groove is formed in the middle of the outer circumferential surface of each roller 642, and the outer circumferential surface of the end portion of the connecting wire winding disc 62 is in rolling connection with the plurality of rollers 642.
After twine the connecting wire on connecting wire winding dish 62, its increase in mass, cause the junction of fixed axle 61 and slot 63 to receive great power, consequently the one end of keeping away from box 1 inner wall at connecting wire winding dish 62 sets up fixed support frame 64 and gyro wheel 642, the one end to connecting wire winding frame 6 provides ascending holding power, when rotating connecting wire winding frame 6, gyro wheel 642 can reduce the friction of connecting wire winding dish 62 and support frame 64, thereby realize under the prerequisite that does not influence connecting wire winding frame 6 pivoted, provide ascending holding power to connecting wire winding dish 62.
Referring to fig. 1 and 3: the supporting structure 2 comprises a first connecting seat 21, the first connecting seat 21 is arranged at a corner close to the bottom of the box body 1, a supporting leg 22 is arranged in the placing groove 12, the first connecting seat 21 at one end of the supporting leg 22 is hinged, and an angle limiting block 23 used for limiting the outward rotation angle of the supporting leg 22 is arranged on one side, close to the side hinged with the supporting leg 22, of the first connecting seat 21.
Supporting leg 22 is accomodate in standing groove 12 under initial condition, angle stopper 23 downward protrusion box 1 bottom surface, when box 1 directly places subaerial, four angle stoppers 23 and ground contact, avoid the direct and ground contact in bottom of box 1, before using the detector, will accomodate supporting leg 22 in standing groove 12 and roll out, make supporting leg 22 and angle stopper 23 butt, thereby make box 1 keep away from ground, and then be convenient for staff's operation box 1 inside instrument and equipment more.
The above examples, which are intended to represent only one or more embodiments of the present invention, are described in greater detail and with greater particularity, and are not to be construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent should be subject to the appended claims.
Claims (10)
1. The partial discharge detector for the outdoor cable connection point is characterized by comprising a box body (1), a box cover (11) is arranged on the upper portion of the box body (1), one side of the box body (1) is hinged with one side of the box cover (11), four placing grooves (12) are formed in the four corners of the bottom of the box body (1) along the diagonal direction of the box body, a supporting structure (2) used for supporting the box body (1) is arranged in each placing groove (12), a detector main body (3) used for detection is arranged on one side, close to the side hinged with the box cover (11), of the inner portion of the box body (1), one end, far away from the other side hinged with the box cover (11), of the inner portion of the box body (1) is provided with a placing box (4), a self-clamping tester (5) connected with a tested cable can be placed in the placing box (4), a connecting wire winding frame (6) used for winding a connecting wire is arranged on one side of the placing box (4), a wall face, close to the outer portion, hinged with the box cover (11), is provided with a supporting rod (8), a supporting rod (81) of the supporting rod (8) of the placing frame (8), a screw thread shaft (8) is arranged on the placing frame (7), the threaded shaft (81) is matched with the threaded hole (82).
2. The partial discharge detector for the outdoor cable connection point according to claim 1, wherein the self-clamping tester (5) comprises a U-shaped frame (51), an opening of the U-shaped frame (51) faces in a horizontal direction, a clamping block (52) for clamping the test cable is arranged in the U-shaped frame (51), an opening of the clamping block (52) faces downwards, a connecting structure (53) is arranged between the upper end of the clamping block (52) and the upper end of the U-shaped frame (51), the upper end of the connecting structure (53) is fixedly connected with the inner wall of the upper end of the U-shaped frame (51), the lower end of the connecting structure (53) is slidably connected with the clamping block, self-clamping structures (54) are arranged at two ends of the connecting structure (53), and a second connecting seat (55) for connecting with the support rod (8) is arranged on the lower surface of the lower end of the U-shaped frame (51).
3. The partial discharge detector of an outdoor cable connection point as claimed in claim 2, wherein the upper surface of the clamping block (52) is provided with a first sliding groove (521) from top to bottom, the two sides of the open end of the clamping block (52) are provided with second sliding grooves (522), the second sliding grooves (522) are orthogonal to the first sliding grooves (521), the connecting structure (53) comprises a first connecting plate (531) arranged in the first sliding groove (521), the first connecting plate (531) is slidably connected with the clamping block (52), the self-clamping structure (54) comprises a first connecting frame (541) and a second connecting frame (542), one end of the first connecting frame (541) is fixedly connected with one end of the first connecting plate (531), the other end of the first connecting frame (541) extends vertically upwards and is connected with the upper end of the second connecting frame (542), the second connecting frame (542) is vertically arranged, the second connecting frame (542) is parallel to the side wall of the clamping block (52), the lower end of the second connecting frame (541) is provided with an inclined block (544), the inclined surface of the pressing block (543) is inclined to be away from the upper end of the pressing block (522), and the inclined surface of the pressing block (543) is slidably connected with the clamping block (52), and the clamping block (543), and the pressing block (52) is arranged in the inclined surface of the clamping block (543).
4. The partial discharge detector of an outdoor cable connection point as claimed in claim 3, wherein the sliding clamping seat comprises a sliding block (5441), the sliding block (5441) is slidably arranged in the second sliding groove (522), a connecting rod (5443) is arranged on one side of the sliding block (5441) facing the first sliding groove (521), the connecting rod (5443) is perpendicular to the sliding block (5441), one end of the connecting rod (5443) is connected with the sliding block (5441), the other end of the connecting rod (5443) penetrates through the groove bottom of the second sliding groove (522), a clamping block (5442) is arranged at the other end of the connecting rod (5443), the clamping block (5442) is arranged at the communication position of the second sliding groove (522) and the first sliding groove (521), a second return spring (5444) is sleeved on the connecting rod (5443), one end of the second return spring (5444) is connected with the side wall of the sliding block (5441), and the other end of the second return spring (5444) is connected with the groove bottom of the second sliding groove (522).
5. The partial discharge detector of an outdoor cable connection point as claimed in claim 3, wherein two first return springs (532) are symmetrically arranged in the first sliding groove (521) relative to the middle plane of the clamping block (52), one end of each first return spring (532) is connected with the lower surface of the first connecting plate (531), the other end of each first return spring (532) is connected with the bottom of the first sliding groove (521), a limiting guide pillar (533) is arranged between the two first return springs (532), the bottom caused by limiting is fixedly connected with the bottom of the first sliding groove (521), and the upper end of the limiting guide pillar (533) upwards penetrates through the first connecting plate (531) and is slidably connected with the first connecting plate (531).
6. The partial discharge detector of an outdoor cable connection point as claimed in claim 2, wherein the second connecting seat (55) comprises a second connecting plate (551), the upper end of the second connecting plate (551) is fixedly connected with the bottom of the U-shaped frame (51), the lower end of the second connecting plate (551) is provided with a first connecting rod (552) for connecting the supporting rod (8), the upper end of the first connecting rod (552) is hinged with the lower end of the second connecting plate (551), and the lower end of the first connecting rod (552) is a threaded end (5521).
7. The partial discharge detector of an outdoor cable connection point as claimed in claim 6, wherein two baffles (553) are symmetrically arranged at one end of the first connecting rod (552) hinged to the second connecting rod (551) about the middle plane of the first connecting rod (552), a third return spring (554) is arranged between the baffles (553) and the second connecting rod (551), one end of the second return spring (5444) is hinged to the second connecting rod (551) through a hinge base, and the other end of the second return spring (5444) is hinged to the baffles (553) through a hinge base.
8. The partial discharge detector of an outdoor cable connection point according to claim 1, characterized in that the connecting wire winding frame (6) comprises a fixing shaft (61), one end of the fixing shaft (61) is provided with a slot (63), the slot (63) is prevented from being fixedly connected with the inside of the box body (1), one end of the fixing shaft (61) is inserted into the slot (63), the outer surface of the fixing shaft (61) is sleeved with a connecting wire winding disc (62), the connecting wire winding disc (62) is rotatably connected with the fixing shaft (61), and one end of the connecting wire winding disc (62) away from the slot (63) is provided with a rotating handle (621).
9. The partial discharge detector of an outdoor cable connection point according to claim 8, characterized in that a support frame (64) is further arranged below one end of the connection line winding disc (62) far away from the slot (63), the support frame (64) comprises a fixing support (641), the bottom of the fixing support (641) is fixedly connected with the bottom of the box body (1), the upper side of the fixing support (641) is semicircular, a plurality of rollers (642) are arranged in the semicircle in an annular array around the center of the semicircle, the rollers (642) are rotatably connected with the fixing support (641), a groove is formed in the middle of the outer circumferential surface of each roller (642), and the outer circumferential surface of the end portion of the connection line winding disc (62) is in rolling connection with the plurality of rollers (642).
10. The partial discharge detector for outdoor cable connection points according to claim 1, characterized in that the support structure (2) comprises a first connection seat (21), the first connection seat (21) is arranged near a corner of the bottom of the box body (1), a support leg (22) is arranged in the placement groove (12), one end of the support leg (22) is hinged to the first connection seat (21), and an angle limiting block (23) for limiting the outward rotation angle of the support leg (22) is arranged on the first connection seat (21) near the side hinged to the support leg (22).
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| CN202310218327.5A CN115932343B (en) | 2023-03-09 | 2023-03-09 | Partial discharge detector for outdoor cable connection point |
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| CN202310218327.5A CN115932343B (en) | 2023-03-09 | 2023-03-09 | Partial discharge detector for outdoor cable connection point |
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| CN115932343B CN115932343B (en) | 2023-06-23 |
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| CN115932343B (en) | 2023-06-23 |
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