CN117907777B - Cable accessory electric breakdown and partial discharge positioning device - Google Patents
Cable accessory electric breakdown and partial discharge positioning device Download PDFInfo
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- CN117907777B CN117907777B CN202410310047.1A CN202410310047A CN117907777B CN 117907777 B CN117907777 B CN 117907777B CN 202410310047 A CN202410310047 A CN 202410310047A CN 117907777 B CN117907777 B CN 117907777B
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 12
- 210000001503 joint Anatomy 0.000 claims abstract description 22
- 239000011111 cardboard Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 description 8
- 230000008602 contraction Effects 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 238000009413 insulation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1272—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of cable, line or wire insulation, e.g. using partial discharge measurements
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Abstract
The invention discloses a cable accessory electric breakdown and partial discharge positioning device, which comprises a base, wherein a driving area is arranged on the base, a middle base for fixing a middle joint fixing frame is arranged in the middle of the top of the base, and cable frame bases for fixing the cable fixing frame and cannula frame bases for fixing a cannula frame are arranged on two sides of the middle base at the top of the base; the bottom of the casing frame base is provided with a first extension plate, the bottom of the cable frame base is provided with a second extension plate, the driving area is positioned below the middle base and is provided with a double-head motor, the output ends at two ends of the double-head motor are all fixed with driving shafts, the driving shafts penetrate through the first extension plate and form threaded connection, the driving shafts are provided with positioning structures for limiting the movement of the second extension plate, and the first extension plate is provided with connecting structures for driving the second extension plate to separate from the positioning structures and form connection with the first extension plate. The invention can simplify the driving structure on the positioning tool and effectively improve the connection efficiency of the terminal connector, the cable and the intermediate connector.
Description
Technical Field
The invention relates to cable accessory test equipment, in particular to a cable accessory electric breakdown and partial discharge positioning device.
Background
In the power cable transmission line laying process, because the power cable manufacturing length is limited, the cable middle joint is needed to be connected, the end part of the outer side of the outermost cable is needed to be connected by using the terminal joint, and the main functions of the cable middle joint and the terminal joint are to keep the cable sealed and the line unobstructed, and ensure the insulation grade of the cable joint, so that the cable joint can run safely and reliably. Cable intermediate connectors and terminal connectors are therefore an important component of power cable accessories.
Referring to fig. 1, in the prior art, when detecting a cable accessory such as a terminal fitting or an intermediate fitting, the detection steps are as follows: 1. two sections of independent cables are respectively fixed on two sides of an intermediate joint fixing frame through a cable fixing frame, a terminal joint is clamped into a sleeve frame to be fixed, and the intermediate joint is fixed on the intermediate fixing frame; and secondly, driving the cable fixing frame to move respectively through the two groups of first motors, enabling one end of the cable far away from the middle fixing frame to be inserted into the terminal connector, driving the sleeve frame and the cable fixing frame to move simultaneously through the two groups of second motors, enabling one end of the cable far away from the terminal connector to be inserted into the middle connector, forming a complete section in series connection, and finally performing a voltage impact test through the impact voltage generator device to simulate the insulation and stability of the terminal connector and the middle connector in the process of facing impact voltage.
The existing solutions in the above have the following problems: above-mentioned transmission needs to set up multiunit motor in the both sides of intermediate head mount respectively, and the independent drive cable mount removes and makes cable one end and the terminal joint in the casing frame after the butt joint, needs to drive casing frame and cable mount simultaneously again and removes towards intermediate head mount one side simultaneously, and its frock structure and drive structure are complicated, and cable, terminal joint and intermediate head connection inefficiency.
Disclosure of Invention
The invention aims to provide an electric breakdown and partial discharge positioning device for a cable accessory, so as to solve the technical problems.
In order to achieve the above purpose, the present invention provides the following technical solutions: the cable accessory electric breakdown and partial discharge positioning device comprises an intermediate joint fixing frame, a cable fixing frame and a sleeve frame, and further comprises a base, wherein a driving area is arranged on the base, an intermediate base used for fixing the intermediate joint fixing frame is arranged in the middle of the top of the base, and cable frame bases used for fixing the cable fixing frame and sleeve frame bases used for fixing the sleeve frame are arranged on two sides of the intermediate base at the top of the base;
The bottom of casing frame base extends towards the drive district has first extension board, casing frame base and first extension board all slide and set up on the base, the cable frame base bottom extends towards the drive district has the second extension board, cable frame base and second extension board all slide and set up on the base, the drive district is located middle base below and is equipped with double-end motor, double-end motor both ends output all is fixed with the drive shaft, and the drive shaft runs through the first extension board of casing frame base below and forms threaded connection, be equipped with the location structure that is used for restricting the second extension board and remove on the drive shaft, be equipped with the connection structure that drive second extension board breaks away from location structure and forms with first extension board and be connected.
Preferably, the positioning structure comprises a positioning ring arranged on the driving shaft, an annular groove is arranged on the positioning ring, a sleeve hole for the positioning ring to slide in is formed in the second extending plate, a sliding seat is arranged in the second extending plate in a sliding mode, an arc-shaped clamping plate is arranged on the sliding seat, and a first driving piece for driving the sliding seat to slide and enabling the arc-shaped clamping plate to be clamped into the annular groove is arranged in the second extending plate.
Preferably, the second extension plate is internally provided with a chute communicated with the trepanning, the sliding seats are symmetrically arranged on the upper side and the lower side of the trepanning and are both arranged in the chute in a sliding manner, and the arc clamping plates on the sliding seats on the upper side and the lower side are spliced to form a circle with the same radian as the annular groove.
Preferably, the connection structure comprises inserting plates arranged on the first extending plate, the inserting plates are symmetrically arranged on the upper side and the lower side of the driving shaft, an inserting groove is formed in one side, close to the inserting plates, of the sliding seat, a first inclined surface for the inserting plates to abut against is arranged at the opening end of the inserting groove, the first inclined surface is arranged at one end, far away from each other, of each of the upper inserting groove and the lower inserting groove, and an inserting hole for the inserting plates to insert is formed in the second extending plate.
Preferably, the inner wall of one side of the slots of the upper sliding seat and the lower sliding seat, which are mutually far away, is provided with a clamping groove, one end of the inserting plate, which is used for being inserted into the slots, is provided with a clamping plate in a vertical sliding manner, and the inserting plate is provided with a second driving piece for driving the clamping plate to be clamped into the clamping groove.
Preferably, the board groove is arranged on the inserting plate, limit grooves are formed in two sides of the board groove, the clamping plates are arranged in the board groove in a vertically sliding mode, limiting blocks which are connected with the limit grooves in a sliding mode are arranged on two sides of the clamping plates, the second driving piece comprises a second spring which is arranged at the bottom end of the board groove, the other end of the second spring abuts against the clamping plates and drives the clamping plates to be clamped into the clamping grooves, and a second inclined surface is arranged at one end, close to the second extending plate, of the clamping plates.
Preferably, be equipped with the unblock structure that drive cardboard breaks away from the draw-in groove on the holding ring, unblock structure includes the side lever and sets up the extension rod on the side lever, the extension rod extends towards socket one side, the limiting groove runs through the both sides of picture peg, all slides in the both sides stopper and is equipped with the shrink pole, be equipped with the outside gliding third driving piece of drive shrink pole in the cardboard, shrink pole one end extends to outside the picture peg, shrink pole extends to picture peg outside one end and is equipped with the third inclined plane that offsets with the side lever, the third inclined plane is by being close to cardboard one side to keeping away from cardboard one side gradually the slope, the fourth inclined plane is by keeping away from drive shaft one side to be close to the fourth inclined plane that the extension rod offsets gradually outwards, be equipped with on the side lever and supply shrink pole outer end to pass dodge the groove, fourth inclined plane longitudinal height is greater than second inclined plane (34).
Preferably, the two sides of the clamping plate are provided with shrinkage grooves for the shrinkage rod to slide, the two sides of the shrinkage grooves are provided with anti-falling grooves, the two sides of the shrinkage rod are provided with side blocks which are in sliding connection with the shrinkage groove, the third driving piece comprises a third spring, the third spring is fixed at the inner end of the shrinkage groove, and the other end of the third spring is fixedly connected with the shrinkage rod.
Compared with the prior art, the invention has the beneficial effects that:
The cable frame base for fixing the cable frame and the sleeve frame base for fixing the sleeve frame are arranged on the base in a sliding manner, the sleeve frame base is driven to move by the double-head motor arranged in the driving area, the sleeve frame base can drive the cable frame base to move through the connecting structure, connection of the terminal connector, the cable and the intermediate connector is realized, and the driving structure and the connection efficiency of the terminal connector, the cable and the intermediate connector are simplified;
the unlocking structure is arranged, the sleeve frame base and the cable frame base are driven to slide, so that the cable is separated from the middle joint, and after the cable frame base slides to the positioning ring, the sleeve frame base and the cable frame base are automatically separated, when the driving shaft continues to rotate, the cable frame base is positioned to the positioning ring, and the sleeve frame base continues to move towards the initial position, so that the quick return effect is realized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the present invention in relation to the prior art;
FIG. 2 is a schematic overall construction of the present invention;
FIG. 3 is an enlarged schematic view of portion A of FIG. 2;
FIG. 4 is a schematic illustration of the fourth ramp height and the second ramp height of the present invention;
FIG. 5 is an exploded schematic view of a cannula housing mount and cable housing mount of the present invention;
FIG. 6 is an enlarged schematic view of portion B of FIG. 4;
FIG. 7 is an exploded view of the card and board of the present invention;
FIG. 8 is an enlarged schematic view of portion C of FIG. 6;
fig. 9 is an exploded view of the slide and the second extension plate of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. An intermediate joint fixing frame; 2. a cable fixing frame; 3. a cannula housing; 4. a base; 5. a driving region; 6. a middle base; 7. a cable rack base; 8. a cannula holder base; 9. a first extension plate; 10. a second extension plate; 11. a guide block; 12. a guide rod; 13. a double-ended motor; 14. a drive shaft; 15. a positioning ring; 16. an annular groove; 17. trepanning; 18. a slide; 19. an arc-shaped clamping plate; 20. a chute; 21. a first spring; 22. inserting plate; 23. a slot; 24. a first inclined surface; 25. a socket; 26. an extension; 27. an epitaxial plate; 28. a clamping groove; 29. a clamping plate; 30. a plate groove; 31. a limit groove; 32. a limiting block; 33. a second spring; 34. a second inclined surface; 35. a side bar; 36. an extension rod; 37. a retracting lever; 38. a third inclined surface; 39. a fourth inclined surface; 40. a shrink tank; 41. an anti-drop groove; 42. a third spring; 43. avoiding the groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-9, one embodiment of the present invention: the cable accessory electric breakdown and partial discharge positioning device comprises an intermediate joint fixing frame 1, a cable fixing frame 2 and a cannula holder 3, and further comprises a base 4, wherein a driving area 5 is arranged on the base 4, an intermediate base 6 for fixing the intermediate joint fixing frame 1 is arranged in the middle of the top of the base 4, and a cannula holder base 7 for fixing the cable fixing frame 2 and a cannula holder base 8 for fixing the cannula holder 3 are arranged on two sides of the intermediate base 6 at the top of the base 4;
The bottom of casing frame base 8 extends towards drive district 5 has first extension board 9, casing frame base 8 and first extension board 9 all slide and set up on base 4, the extension of cable frame base 7 bottom towards drive district 5 has second extension board 10, cable frame base 7 and second extension board 10 all slide and set up on base 4, drive district 5 is located middle base 6 below and is equipped with double-end motor 13, double-end motor 13 both ends output all is fixed with drive shaft 14, drive shaft 14 runs through the first extension board 9 of casing frame base 8 below and forms threaded connection, be equipped with the location structure that is used for restricting the removal of second extension board 10 on the drive shaft 14, be equipped with the connection structure that drive second extension board 10 break away from location structure and form the connection with first extension board 9 on the first extension board 9.
From the above description, it is clear that: through the cable frame base 7 that slides on base 4 and be used for fixed cable frame and be used for the casing frame base 8 of fixed casing frame 3 to drive casing frame base 8 through setting up the double-end motor 13 in drive zone 5 and remove, casing frame base 8 accessible connection structure drives cable frame base 7 and removes, realizes the connection of terminal joint, cable and intermediate head, simplifies the connection efficiency of drive structure and terminal joint, cable and intermediate head greatly.
Specifically, the positioning structure comprises a positioning ring 15 arranged on a driving shaft 14, an annular groove 16 is arranged on the positioning ring 15, a sleeve hole 17 for the positioning ring 15 to slide in is arranged on a second extension plate 10, a sliding seat 18 is arranged in the second extension plate 10 in a sliding manner, an arc clamping plate 19 is arranged on the sliding seat 18, and a first driving piece for driving the sliding seat 18 to slide and enabling the arc clamping plate 19 to be clamped into the annular groove 16 is arranged in the second extension plate 10.
From the above description, it is clear that: the second extension board 10 is matched with the arc-shaped clamping board 19 and the annular groove 16, the rotation of the driving shaft 14 can not drive the second extension board 10 connected with the cable frame base 7 to move, so that the cable fixing frame 2 for placing the cable keeps the current position until the terminal connector is butted with the cable when the sleeve frame 3 moves, and then moves towards one side of the middle joint together.
Specifically, a chute 20 communicated with the sleeve hole 17 is arranged in the second extension plate 10, the sliding seats 18 are symmetrically arranged on the upper side and the lower side of the sleeve hole 17 and are arranged in the chute 20 in a sliding manner, and the arc clamping plates 19 on the sliding seats 18 on the upper side and the lower side are spliced to form a circle with the same radian as the annular groove 16.
From the above description, it is clear that: the arc-shaped clamping plates 19 on the upper side and the lower side are spliced into a complete circle and clamped into the annular groove 16, and when the driving shaft 14 rotates, the symmetrical structure arrangement enables the second extension plate 10 to be more stably positioned at the current position.
Specifically, the first driving member includes a first spring 21, where the first spring 21 is fixed on inner walls of the upper and lower sides of the chute 20, and the other end of the first spring 21 is connected to the slide 18 and drives the upper and lower slide 18 to slide toward one side close to each other.
From the above description, it is clear that: under the action of the first spring 21, when the second extension plate 10 is not in contact with the connection structure, the arc-shaped clamping plate 19 can be stably positioned in the annular groove 16, so that the cable frame base 7 is stably positioned at the current position.
Specifically, the connection structure includes a plugboard 22 disposed on the first extension board 9, the plugboard 22 is symmetrically disposed on the upper and lower sides of the driving shaft, a slot 23 is disposed on one side of the sliding base 18 near the plugboard 22, a first inclined plane 24 for the plugboard 22 to abut is disposed at an opening end of the slot 23, the first inclined plane 24 is disposed at one end of the upper and lower groups of slots 23 away from each other, and a socket 25 for the plugboard 22 to insert is disposed on the second extension board 10.
From the above description, it is clear that: after the double-headed motor 13 drives the driving shaft 14 to rotate and drives the first extension plate 9 to move towards the second extension plate 10, the inserting plate 22 is inserted into the sliding groove 20 through the inserting opening 25 and abuts against the first inclined surface 24, so that the sliding seat 18 is driven to slide towards the side far away from the sleeve hole 17, the arc-shaped clamping plate 19 is separated from the annular groove 16, and when the first extension plate 9 continues to move towards the side of the middle base 6, the second extension plate 10 is simultaneously driven to move towards the side of the middle base 6 until a cable on the cable fixing frame 2 is inserted into the middle joint.
Specifically, the inner wall of the side of the slot 23 of the upper and lower slide carriages 18, which is far away from each other, is provided with a clamping groove 28, one end of the insertion plate 22, which is used for being inserted into the slot 23, is provided with a clamping plate 29 in a vertical sliding manner, and the insertion plate 22 is provided with a second driving piece for driving the clamping plate 29 to be clamped into the clamping groove 28.
From the above description, it is clear that: after the plugboard 22 is inserted into the slot 23, the second driving piece drives the clamping plate 29 to be clamped into the clamping groove 28, and front-back shaking cannot occur in the process that the plugboard 22 pushes the second extension plate 10 to move.
Specifically, the board slot 30 is arranged on the plugboard 22, the limiting slots 31 are arranged on two sides of the board slot 30, the clamping plates 29 are arranged in the board slot 30 in a vertically sliding mode, limiting blocks 32 which are in sliding connection with the limiting slots 31 are arranged on two sides of the clamping plates 29, the second driving piece comprises a second spring 33 arranged at the bottom end of the board slot 30, the other end of the second spring 33 abuts against the clamping plates 29 and drives the clamping plates 29 to be clamped into the clamping slots 28, and a second inclined surface 34 is arranged at one end, close to the second extending plate 10, of the clamping plates 29.
From the above description, it is clear that: when the plugboard 22 is inserted into the jack 25, the second inclined surface 34 abuts against the edge of the jack 25 and drives the clamping plate 29 to slide into the plate groove 30 until the clamping plate 29 is opposite to the clamping groove 28, and under the action of the second spring 33, the clamping plate 29 is clamped into the clamping groove 28, so that positioning connection is realized.
Specifically, be equipped with the unblock structure that drive cardboard 29 breaks away from draw-in groove 28 on the holding ring 15, the unblock structure includes side lever 35 and set up the extension bar 36 on side lever 35, extension bar 36 extends towards socket 25 one side, the both sides of picture peg 22 are run through to spacing groove 31, all slide in the both sides stopper 32 and be equipped with shrink pole 37, be equipped with the outside third driving piece that slides of drive shrink pole 37 in the cardboard 29, shrink pole 37 one end extends to picture peg 22 outside, shrink pole 37 extends to picture peg 22 outside one end and is equipped with the third inclined plane 38 with side lever 35 counterbalance, third inclined plane 38 is gradually inclined from being close to cardboard 29 one side to being far away from cardboard 29 side, shrink pole 37 is close to one side terminal surface of first extension board 9 and is equipped with the fourth inclined plane 39 with extension bar 36 counterbalance, fourth inclined plane 39 is gradually outwards inclined from being far away from drive shaft one side to being close to drive shaft one side, be equipped with on the side lever 35 and supply shrink pole 37 outer end to pass dodge groove 43, fourth inclined plane 39 longitudinal height is greater than second inclined plane 34 longitudinal height.
From the above description, it is clear that: when the plugboard 22 slides towards the jack 25, the third inclined surface 38 abuts against the extension rod 36 and drives the contraction rod 37 to slide into the clamping plate 29, the second inclined surface 34 abuts against the edge of the jack 25 and drives the clamping plate 29 to slide into the plate groove 30 until the clamping plate 29 is opposite to the clamping groove 28, the clamping plate 29 is clamped into the clamping groove 28 under the action of the second spring 33, positioning connection is achieved, after the plugboard 22 drives the second extension plate 10 to move to be separated from the extension rod 36 through the cooperation of the clamping plate 29 and the clamping groove 28, the contraction rod 37 is ejected under the action of the third driving piece, in the process that the second extension plate 10 moves backwards and drives the cable to be separated from the intermediate joint, the fourth inclined surface 39 abuts against the extension rod 36, when the arc-shaped clamping plate 19 is aligned with the annular groove 16, the clamping plate 29 is separated from the clamping groove 28, the expansion rod 37 moves to be below the extension rod 36 under the action of the fourth inclined surface 39 after the clamping plate 29 is separated from the clamping groove 28, the side rod 43 can pass through 35 when the plugboard 22 is separated from the jack 25, the second extension rod 22 is separated from the annular groove 23, the annular groove 23 is separated from the annular groove 23, and the annular groove 33 is connected again, and the positioning connection is achieved.
Specifically, the two sides of the clamping plate 29 are provided with shrinkage grooves 40 for the shrinkage rod 37 to slide, the two sides of the shrinkage grooves 40 are provided with anti-falling grooves 41, the two sides of the shrinkage rod 37 are provided with side blocks which are in sliding connection with the shrinkage grooves 40, the third driving piece comprises a third spring 42, the third spring 42 is fixed at the inner end of the shrinkage groove 40, and the other end of the third spring 42 is fixedly connected with the shrinkage rod 37.
From the above description, it is clear that: the retraction lever 37 can slide into the retraction slot 40 during insertion of the insert plate 22 into the second extension plate 10, and after the retraction lever 37 is disengaged from the extension lever 36, the retraction lever 37 will spring out under the action of the third spring 42 to bring the fourth inclined surface 29 into abutment with the extension lever 36 during the rearward movement of the second extension plate 10.
Referring to fig. 1-9, one embodiment of the present invention is as follows:
referring to fig. 1, a cable accessory electric breakdown and partial discharge positioning device includes an intermediate joint fixing frame 1, a cable fixing frame 2 and a casing frame 3, wherein the intermediate joint fixing frame 1 is a partial fixture for fixing an intermediate joint, the cable fixing frame 2 is a partial fixture for fixing a cable, and the casing frame 3 is a component for clamping into a terminal joint, which is in the prior art, and will not be repeated.
Referring to fig. 2, the cable rack further comprises a base 4, a driving area 5 is arranged on the base 4, a middle base 6 for fixing the middle joint fixing frame 1 is arranged in the middle of the top of the base 4, and cable rack bases 7 for fixing the cable fixing frame 2 and cannula rack bases 8 for fixing the cannula racks 3 are arranged on two sides of the middle base 6 at the top of the base 4;
Referring to fig. 2 and 5, a first extension plate 9 extends from the bottom of the casing base 8 toward the driving area 5, the casing base 8 and the first extension plate 9 are both slidably disposed on the base 4, a second extension plate 10 extends from the bottom of the cable base 7 toward the driving area 5, the cable base 7 and the second extension plate 10 are both slidably disposed on the base 4, guide blocks 11 are disposed on the cable base 7 and the casing base 8, guide rods 12 are disposed on the base 4, the guide blocks 11 are sleeved on the guide rods 12 and form a sliding connection, in this way, the cable base 7 and the casing base 8 can stably slide on the base 4, a double-headed motor 13 is disposed below the driving area 5 and is located below the middle base 6, two ends of the double-headed motor 13 are both fixedly provided with driving shafts 14, the driving shafts 14 penetrate through the first extension plate 9 below the casing base 8 and form threaded connection (external threads are disposed on the driving shafts 14, internal threads are disposed at the connection positions of the first extension plate 9 and the driving shafts 14), a positioning structure for limiting movement of the second extension plate 10 is disposed on the driving shafts 14, and the first extension plate 9 is disposed on the driving shaft 9 and forms a connection structure for driving the second extension plate 10 and is separated from the positioning structure and connected with the first extension plate 9.
Referring to fig. 5 and 6, the positioning structure includes a positioning ring 15 disposed on a driving shaft 14, an annular groove 16 is disposed on the positioning ring 15, a sleeve hole 17 for sliding the positioning ring 15 is disposed on the second extension plate 10, the sleeve hole 17 can allow the positioning ring 15 to pass through, a sliding seat 18 is slidably disposed on the second extension plate 10, an arc clamping plate 19 is disposed on the sliding seat 18, a first driving member for driving the sliding seat 18 (refer to fig. 9) to slide and enabling the arc clamping plate 19 to clamp into the annular groove 16 is disposed in the second extension plate 10, after the annular clamping plate clamps into the annular groove 16, the positioning ring 15 and the arc clamping plate 19 can form relative rotation, and when the driving shaft 14 rotates to drive the first extension plate 9 to move, the second extension plate 10 cannot move under the cooperation of the arc clamping plate 19 and the annular clamping groove 28.
Referring to fig. 9, a chute 20 communicating with the sleeve hole 17 is provided in the second extension board 10, the sliding bases 18 are symmetrically provided at the upper and lower sides of the sleeve hole 17 and are slidably provided in the chute 20, and the arc-shaped clamping boards 19 on the sliding bases 18 at the upper and lower sides are spliced to form a circle with the same radian as the annular groove 16.
Referring to fig. 9, the first driving member includes a first spring 21, the first spring 21 is fixed on inner walls of the upper and lower sides of the chute 20, and the other end of the first spring 21 is connected to the sliding base 18 and drives the upper and lower sliding bases 18 to slide toward one side close to each other.
Referring to fig. 5,6 and 9, the connection structure includes a plugboard 22 disposed on the first extension board 9, the plugboard 22 is symmetrically disposed on the upper and lower sides of the driving shaft 14, a slot 23 is disposed on a side of the sliding base 18 near the plugboard 22, a first inclined plane 24 for the plugboard 22 to abut is disposed at an opening end of the slot 23, the first inclined plane 24 is disposed at an end of the upper and lower groups of slots 23 far away from each other, a socket 25 for the plugboard 22 to insert is disposed on the second extension board 10, the first plugboard 22 moves towards the slot 23 and drives the sliding base 18 to move upwards in the process of abutting against the first inclined plane 24, so that the arc clamping board 19 is separated from the annular groove 16, wherein before a terminal connector in the casing frame 3 is driven to abut against a cable end in the process of moving the casing frame base 8, the plugboard 22 is not inserted into the slot 23, and after the terminal connector is spliced with the cable end, the plugboard 22 is inserted into the slot 23, so that the arc clamping board 19 is separated from the annular groove 16.
Referring to fig. 3, 5, 6 and 9, in order to shorten the length of the insert plate 22 to improve stability, an extension portion 26 is disposed on one side of the first extension plate 9 near the second extension plate 10, the extension portion 26 is sleeved outside the driving shaft 14 but is not in contact with the driving shaft 14, an extension plate 27 is disposed at one end of the extension portion 26 far away from the first extension plate 9, the insert plate 22 is disposed on the extension plate 27, so that the insert plate 22 can be opposite to the socket 25 on the second extension plate 10, in addition, side rods 35 on the positioning ring 15 are symmetrically disposed, a channel for the insert plate 22 to pass through is reserved between the side rods 35 symmetrically disposed, and when the insert plate 22 passes through the side rods 35, the outer wall is in contact with the side rods 35 to increase stability of the insert plate 22, it is to be noted that: the distance between the extension 26 and the positioning ring 15 is greater than the stroke of the insertion plate 22 pushing the second extension plate 10 to move so that one end of the cable is inserted into the intermediate connector, and the extension 26 is prevented from striking the positioning ring 15.
Referring to fig. 9, a card slot 28 is formed in an inner wall of a side, away from each other, of the slot 23 of the upper and lower slide carriages 18, a card board 29 is provided on one end of the card board 22 for being inserted into the slot 23 in a sliding manner, a second driving member for driving the card board 29 to be clamped into the card slot 28 is provided on the card board 22, and after the card board 29 is clamped into the card slot 28, four outer walls of the card board 29 are adhered to four inner walls of the card slot 28.
Referring to fig. 7,8 and 9, in order to make the card 29 slide on the card board 22 without detachment, a board slot 30 is provided on the card board 22, limit slots 31 are provided on two sides of the board slot 30, the card board 29 slides up and down in the board slot 30, limit blocks 32 forming sliding connection with the limit slots 31 are provided on two sides of the card board 29, the second driving member includes a second spring 33 provided at the bottom end of the board slot 30, the other end of the second spring 33 abuts against the card board 29 and drives the card board 29 to be clamped into the card slot 28, a second inclined surface 34 is provided at one end of the card board 29 close to the second extension board 10, when the card board 29 moves into the slot 23 along with the card board 22, the second inclined surface 34 of the card board 29 abuts against the insertion slot 25 of the second extension board 10 to make the card board 29 slide into the board slot 30 first, and then pop up when the card board 29 is opposite to the card slot 28.
Referring to fig. 4, 5, 6, 8, 9, be equipped with the unblock structure that drive cardboard 29 breaks away from draw-in groove 28 on the holding ring 15, the unblock structure includes side lever 35 and set up the extension bar 36 on side lever 35, wherein side lever 35 sets up in the holding ring 15 and is located the side that middle base 6 (refer to fig. 2) was kept away from to ring channel 16, extension bar 36 extends towards socket 25 side, the both sides of picture peg 22 are run through to spacing groove 31, all slide in the both sides stopper 32 and be equipped with shrink pole 37, be equipped with the outside third driving piece that drives shrink pole 37 and slide in the cardboard 29, shrink pole 37 one end extends outside picture peg 22, shrink pole 37 extends to picture peg 22 outside one end be equipped with the third inclined plane 38 with the side lever 35 offset, the third inclined plane 38 is gradually inclined from being close to cardboard 29 one side to being away from, shrink pole 37 is close to one side terminal surface of first extension plate 9 is equipped with the fourth inclined plane 39 with the offset of extension bar 36, fourth inclined plane 39 is gradually outwards inclined from being kept away from drive shaft 14 side to being close to drive shaft 14 side, it should be stated: when the second extension board 10 is at the initial position of the positioning ring 15, one end of the extension rod 36 is positioned in the slot 23 of the sliding seat 18, when the plugboard 22 passes through the extension rod 36, the third inclined surface 38 of the shrinkage rod 37 is propped against one end of the extension rod 36 to enable the shrinkage rod 37 to be retracted into the clamping board 29, when the plugboard 22 continues to move to drive the clamping board 29 to be opposite to the clamping groove 28, the second spring 33 clamps the driving clamping board 29 into the clamping groove 28, and at the moment, the outer end of the shrinkage rod 37 is in a state propped against the extension rod 36; also to be described is: after the second spring 33 drives the clamping plate 29 to move outwards, the position of the extension rod 36 is opposite to the fourth inclined plane 39, when the second extension plate 10 moves backwards, the extension rod 36 can prop against the fourth inclined plane 39, and the side rod 35 is provided with a avoidance groove 43 for the outer end of the contraction rod 37 to pass through, and it should be noted that (refer to fig. 4): the bottom end face of the shrinkage rod 37 is lower than the top inner wall of the avoidance groove 43 in the initial state (the height difference between the bottom end face of the shrinkage rod 37 and the top inner wall of the avoidance groove 43 in the initial state is the size c), the longitudinal height size b of the fourth inclined surface 39 minus the size c is larger than the longitudinal height size a of the second inclined surface 34, the avoidance groove 43 is arranged below the extension rod 36, when the plugboard 22 is inserted into the jack 25 to enable the second inclined surface 34 to prop against the opening of the jack 25, the shrinkage rod 37 cannot be completely opposite to the avoidance groove 43, the shrinkage rod 37 cannot completely slide below the extension rod 36 when the shrinkage rod 37 moves downwards, the shrinkage rod 37 is prevented from being ejected to be clamped into the avoidance groove 43, the clamping plate 29 can be smoothly moved upwards to be clamped into the clamping groove 28 when moving to be right below the clamping groove 28, and simultaneously, the fourth inclined surface 39 can prop against the extension rod 36 when the plugboard 22 drives the second extension plate 10 to retract.
Referring to fig. 7, 8 and 9, the two sides of the clamping plate 29 are provided with a shrinkage groove 40 for sliding the shrinkage rod 37, two sides of the shrinkage groove 40 are provided with an anti-falling groove 41, two sides of the shrinkage rod 37 are provided with side blocks which are in sliding connection with the shrinkage groove 40, the third driving piece comprises a third spring 42, the third spring 42 is fixed at the inner end of the shrinkage groove 40, the other end of the third spring 42 is fixedly connected with the shrinkage rod 37, when the inserting plate 22 is inserted into the inserting groove 23 and pushes the second extension plate 10 to slide towards one side of the middle base 6 (refer to fig. 2), and the extension rod 36 is separated from the second extension plate 10, the shrinkage rod 37 can pop up under the action of the third spring 42, so that when the inserting plate 22 pulls the second extension plate 10 back to return through the clamping plate 29, the fourth inclined surface 39 of the shrinkage rod 37 is propped against the extension rod 36 to drive the clamping plate 29 to slide towards one side close to the driving shaft 14, the clamping plate 29 is separated from the clamping groove 28, and the extension rod 37 is moved to the lower side of the extension rod 36 to be opposite to the avoidance groove 43.
When the device is used, two independent cables are respectively fixed on two sides of the middle base 6 through the cable fixing frame 2, the middle connector is fixed on the middle connector fixing frame 1 on the middle base 6, the terminal connector is clamped into the sleeve frame 3, then the double-headed motor 13 can be driven, the double-headed motor 13 starts to drive the driving shafts 14 at two ends to rotate, the driving shafts 14 can drive the second extension plates 10 at two sides to slide towards one side of the middle base 6, the sleeve frame 3 drives the terminal connector to be sleeved on one side of the cable far away from the middle base 6, in the process, the inserting plate 22 moves along with the first extension plate 9 and passes through the extension rod 36, in the moving process of the inserting plate 22, the third inclined surfaces 38 of the contraction rods 37 at two sides of the inserting plate 29 are abutted against the extension rod 36 and slide into the contraction groove 40, the inserting plate 22 continues to move and is inserted into the inserting grooves 23 of the sliding seat 18, the second inclined surfaces 34 of the inserting plate 29 are abutted against the inserting grooves 25 to drive the clamping plate 29 into the plate groove 30, when the inserting plate 22 is inserted into the inserting groove 23, the first inclined surfaces 24 at the opening of the inserting seat 23 are abutted against the first inclined surfaces 24 of the sliding seat 18 to drive the sliding seat 18 towards one side far away from the sleeve hole 17, in the opposite sides of the sleeve hole 17, the end portions of the clamping plate 18 are separated from the end portions of the clamping plate 22 from the annular groove 19, and the end portions of the clamping plate 29 are just abutted against the end portions of the clamping plate 29, and the end portions of the clamping plate 29 are inserted into the end portions of the clamping plate 16, and the end portions of the clamping plate 28, and the end portions of the clamping plate ends are just separated into the end faces, and the end ends of the clamping plate ends are inserted into the clamping grooves.
The first extension board 9 continues to move and drives the second extension board 10 to move together until the other end of the cable is inserted into the middle joint, namely, the connection of the terminal joint, the cable and the middle joint is completed, and voltage impact can be carried out through the impulse voltage generator device to test and simulate the insulation and stability of the terminal joint and the middle joint in the face of impulse voltage.
After the experiment is completed, the output end of the double-headed motor 13 can be driven to rotate reversely, the driving shaft 14 is driven to rotate reversely, the driving shaft 14 rotates reversely to drive the first extension plate 9 to slide towards the side far away from the middle base 6, meanwhile, the second extension plate 10 is pulled back through the cooperation of the clamping plate 29 and the clamping groove 28, one end of a cable is separated from the middle connector, the first extension plate 9 continues to drive the second extension plate 10 to move back until the extension rod 36 is inserted into the slot 23 to abut against the fourth inclined surface 39 of the contraction rod 37, the clamping plate 29 is driven to slide towards the side close to the driving shaft 14 through the contraction rod 37, the clamping plate 29 is separated from the clamping groove 28, the second extension plate 10 is not pulled to move after the insertion plate 22 continues to move back, after the clamping plate 29 is separated from the clamping groove 28, under the action of the fourth inclined surface 39 of the telescopic rod 37 and the telescopic rod 36, the telescopic rod 37 moves to a position opposite to the avoidance groove 43 below the telescopic rod 36, after the inserting plate 22 is separated from the inserting groove 23, the telescopic rod 37 also moves out from the avoidance groove 43, the arc clamping plate 19 is just opposite to the annular groove 16, the arc clamping plate 19 is driven to be clamped into the annular groove 16 under the action of the first spring 21, so that the second extension plate 10 returns to the initial position, and then the first extension plate 9 is driven to slide back through the rotation of the driving shaft 14 continuously until the casing frame base 8 returns to the initial position.
In the description of the present invention, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (4)
1. The utility model provides a cable accessories electric breakdown and partial discharge positioner, includes intermediate head mount (1), cable mount (2) and casing frame (3), its characterized in that: the cable rack is characterized by further comprising a base (4), wherein a driving area (5) is arranged on the base (4), a middle base (6) for fixing the middle joint fixing frame (1) is arranged in the middle of the top of the base (4), and cable rack bases (7) for fixing the cable fixing frame (2) and casing rack bases (8) for fixing the casing racks (3) are arranged on two sides of the middle base (6) at the top of the base (4);
The bottom of the casing frame base (8) extends towards the driving area (5) to form a first extension plate (9), the casing frame base (8) and the first extension plate (9) are both arranged on the base (4) in a sliding mode, the bottom of the cable frame base (7) extends towards the driving area (5) to form a second extension plate (10), the cable frame base (7) and the second extension plate (10) are both arranged on the base (4) in a sliding mode, the driving area (5) is positioned below the middle base (6) and is provided with a double-headed motor (13), output ends at two ends of the double-headed motor (13) are both fixed with driving shafts (14), the driving shafts (14) penetrate through the first extension plate (9) below the casing frame base (8) and form threaded connection, positioning structures used for limiting the movement of the second extension plate (10) are arranged on the driving shafts (14), and connecting structures for driving the second extension plate (10) to be separated from the positioning structures and form connection with the first extension plate (9) are arranged on the first extension plate (9).
The positioning structure comprises a positioning ring (15) arranged on a driving shaft (14), an annular groove (16) is formed in the positioning ring (15), a sleeve hole (17) for the positioning ring (15) to slide in is formed in the second extension plate (10), a sliding seat (18) is arranged in the second extension plate (10) in a sliding mode, an arc clamping plate (19) is arranged on the sliding seat (18), and a first driving piece for driving the sliding seat (18) to slide and enabling the arc clamping plate (19) to be clamped into the annular groove (16) is arranged in the second extension plate (10);
A sliding groove (20) communicated with the sleeve hole (17) is formed in the second extension plate (10), the sliding seats (18) are symmetrically arranged on the upper side and the lower side of the sleeve hole (17) and are arranged in the sliding groove (20) in a sliding manner, and arc clamping plates (19) on the sliding seats (18) on the upper side and the lower side are spliced to form a circle with the same radian as the annular groove (16);
The connecting structure comprises inserting plates (22) arranged on the first extending plate (9), the inserting plates (22) are symmetrically arranged on the upper side and the lower side of the driving shaft (14), inserting grooves (23) are formed in one side, close to the inserting plates (22), of the sliding seat (18), first inclined planes (24) for the inserting plates (22) to abut against are formed in the opening ends of the inserting grooves (23), the first inclined planes (24) are arranged at one ends, far away from each other, of the upper inserting grooves (23) and the lower inserting grooves (23), and inserting holes (25) for the inserting plates (22) to insert are formed in the second extending plate (10);
A clamping groove (28) is formed in the inner wall of one side, away from each other, of each slot (23) of the upper sliding seat and the lower sliding seat (18), a clamping plate (29) is arranged at one end, inserted into the slot (23), of each inserting plate (22) in a sliding manner, and a second driving piece for driving the clamping plate (29) to be clamped into the clamping groove (28) is arranged on each inserting plate (22);
the utility model discloses a card board, including board slot (30) and second driving piece, be equipped with board slot (30) on picture peg (22), the both sides of board slot (30) are equipped with spacing groove (31), cardboard (29) slide from top to bottom and set up in board slot (30), and the both sides of cardboard (29) are equipped with stopper (32) that form sliding connection with spacing groove (31), and second driving piece is including setting up in second spring (33) of board slot (30) bottom, second spring (33) other end offsets with cardboard (29) and drives cardboard (29) card income draw-in groove (28), cardboard (29) are close to the one end of second extension board (10) and are equipped with second inclined plane (34).
2. The electrical breakdown and partial discharge positioning device of claim 1, wherein: the first driving piece comprises a first spring (21), the first spring (21) is fixed on the inner walls of the upper side and the lower side of the chute (20), the other end of the first spring (21) is connected with the sliding seat (18) and drives the upper sliding seat (18) and the lower sliding seat (18) to slide towards one side close to each other.
3. The electrical breakdown and partial discharge positioning device of claim 1, wherein: the utility model provides a locating ring (15) is last to be equipped with the unblock structure that drive cardboard (29) break away from draw-in groove (28), and unblock structure includes side lever (35) and sets up extension rod (36) on side lever (35), extension rod (36) are towards socket (25) one side extension, limit groove (31) run through both sides of picture peg (22), all slide in both sides stopper (32) and be equipped with shrink pole (37), be equipped with the outside third driving piece that slides of drive shrink pole (37) in cardboard (29), shrink pole (37) one end extends to picture peg (22) outside, shrink pole (37) extend to picture peg (22) outside one end be equipped with third inclined plane (38) that offsets with side lever (35), third inclined plane (38) are by being close to cardboard (29) one side to keep away from one side gradually the slope, shrink pole (37) are close to one side terminal surface of first extension plate (9) be equipped with extension rod (36) fourth inclined plane (39), fourth inclined plane (39) are by keeping away from drive shaft (14) one side to be equipped with the outside inclined plane (43) that is close to drive shaft (14) one side of keeping away from, outside is equipped with the outside inclined plane (43), the fourth ramp (39) has a longitudinal height greater than the longitudinal height of the second ramp (34).
4. A cable accessory electrical breakdown and partial discharge positioning device as claimed in claim 3, wherein: the both sides of cardboard (29) are equipped with shrinkage groove (40) that supply shrinkage pole (37) to slide, the both sides of shrinkage groove (40) are equipped with anticreep groove (41), the both sides of shrinkage pole (37) are equipped with and form sliding connection's side piece with shrinkage groove (40), and the third driving piece includes third spring (42), third spring (42) are fixed in shrinkage groove (40) inner, and third spring (42) other end and shrinkage pole (37) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410310047.1A CN117907777B (en) | 2024-03-19 | 2024-03-19 | Cable accessory electric breakdown and partial discharge positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410310047.1A CN117907777B (en) | 2024-03-19 | 2024-03-19 | Cable accessory electric breakdown and partial discharge positioning device |
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| Publication Number | Publication Date |
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| CN117907777A CN117907777A (en) | 2024-04-19 |
| CN117907777B true CN117907777B (en) | 2024-05-28 |
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| CN202410310047.1A Active CN117907777B (en) | 2024-03-19 | 2024-03-19 | Cable accessory electric breakdown and partial discharge positioning device |
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| CN117907777A (en) | 2024-04-19 |
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