CN111351750A - Appearance detection device for high-voltage transmission cable - Google Patents
Appearance detection device for high-voltage transmission cable Download PDFInfo
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- CN111351750A CN111351750A CN202010290243.9A CN202010290243A CN111351750A CN 111351750 A CN111351750 A CN 111351750A CN 202010290243 A CN202010290243 A CN 202010290243A CN 111351750 A CN111351750 A CN 111351750A
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- seat
- detection
- piston
- probe
- power transmission
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/08—Detecting presence of flaws or irregularities
Abstract
The invention relates to the technical field of cable detection, and discloses a high-voltage transmission cable appearance detection device which comprises a detection seat and a sliding seat, wherein an air storage chamber is fixedly connected inside the detection seat, a piston is movably inserted inside the detection seat, a pulley is movably sleeved outside a first connecting shaft, a top plate is movably sleeved outside a second connecting shaft, a probe is movably inserted inside the detection seat, an indicator lamp is fixedly installed outside the detection seat, and a button switch is fixedly installed inside the detection seat. Will detect seat and sliding seat cover and move left in the outside of cable main part, drive the continuous striking piston of roof, inflate the gas receiver, gaseous outside slowly flows out through the guide way, when the surface of cable main part appears the crackle, detects the space grow between seat and the cable main part, and gaseous pressure to the probe diminishes, and the probe whereabouts for the pilot lamp becomes bright, and whether the situation of observing the pilot lamp can judge there is the crackle, and easy operation is convenient.
Description
Technical Field
The invention relates to the technical field of cable detection, in particular to a high-voltage transmission cable appearance detection device.
Background
In high-voltage transmission, the importance of the cable is undoubted, the quality of the cable is directly related to the normal transmission condition of power, and the quality of the cable is also related to the surrounding environment and the personal safety of workers due to the particularity of high voltage, so that the cable needs to be strictly detected in the production, manufacture and use processes, and can be continuously used after the quality of the cable is qualified.
The appearance detection content of the high-voltage transmission cable is many, including thickness detection, diameter detection and the like, it is further ensured that the surface of the cable has no crack defect, cracks are likely to appear at any position on the surface of the cable, therefore, when the surface cracks are detected, a week of the cable needs to be detected, visual inspection and an infrared detector are adopted in more methods at present, the cable needs to be continuously turned over when the visual inspection is adopted, the detection process is time-consuming and labor-consuming, when the detector is adopted, most of the detectors are complex in structure, the cable also needs to be turned over, and the use is inconvenient.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide an appearance inspection apparatus for a high voltage power transmission cable, which has the advantages of automatic inspection of crack defects on the surface of the high voltage power transmission cable, simple structure, and convenient use.
The invention adopts the following technical scheme for realizing the technical purpose: a high-voltage transmission cable appearance detection device comprises a detection seat and a sliding seat, wherein an air storage chamber is fixedly connected inside the detection seat, a piston extending into the sliding seat is movably inserted inside the detection seat, a first connecting shaft is fixedly connected inside the sliding seat and positioned on the right side of the piston, uniformly distributed pulleys are movably sleeved on the outer side of the first connecting shaft in a sleeved mode, uniformly distributed racks are arranged on the outer side of the pulleys, a second connecting shaft is fixedly connected inside the sliding seat and positioned between the pulleys and the piston, a top plate corresponding to the racks is movably sleeved on the outer side of the second connecting shaft in a sleeved mode, hairspring assemblies are installed on the top plate, uniformly distributed detection needles are movably inserted inside the detection seat and positioned on the left side of the air storage chamber in a sleeved mode, guide grooves corresponding to the detection needles are formed inside the detection seat, and a first magnet is fixedly connected to one end, close to the outer side of the detection seat, of, detect the inside of seat and the tank bottom fixedly connected with that is located the guide way and the magnet two that magnet one corresponds, the left side activity hinge of probe has the commentaries on classics board, the outside fixed mounting who detects the seat has the pilot lamp, the outside fixed mounting who detects the inside of seat and be located the commentaries on classics board has the button switch who corresponds with the pilot lamp.
Furthermore, the cable main body is movably inserted in the detection seat and the sliding seat, and a power supply switch assembly are arranged on the detection seat.
Further, the piston is located on the right side of the air storage chamber, an air inlet is formed in the right side of the air storage chamber, a sliding groove corresponding to the piston is formed in the detection seat, and an air vent communicated with the sliding groove is formed in the right side of the detection seat.
Further, a return spring is mounted on the piston, so that the piston is pushed by the return spring to move rightwards to be reset.
Further, the pulley extends to the outside of sliding seat inner wall, the rack is not higher than the external diameter of pulley to when avoiding the pulley to roll on the cable main part, the rack causes the influence to the cable main part.
Furthermore, a torsion spring is installed on the top plate, so that the top plate rotates anticlockwise to reset under the torsion action of the torsion spring.
Further, one side that the probe needle is close to the cable main part is provided with sealed the pad for the separation is gaseous, be provided with the stopper on the probe needle, prescribe a limit to the sliding range of probe needle.
Further, the guide groove is an open groove, and the guide groove is communicated with the air storage chamber through a narrow groove.
Furthermore, the magnetism of one side of the first magnet, which is opposite to the second magnet, is the same as that of the other side of the first magnet, and the detection needle extends outwards under the action of the repulsive force between the two magnets.
Further, the rotating plate is installed in the detection seat through a fixed shaft, the fixed shaft is close to the probe needle, and according to the lever principle, after the probe needle moves up and down for a short distance, the left side of the rotating plate can move up and down for a large distance.
The invention has the following beneficial effects:
1. the appearance detection device of the high-voltage transmission cable comprises a detection seat and a sliding seat, wherein the detection seat and the sliding seat are sleeved on the outer side of a cable main body and move leftwards, a pulley rotates under the action of friction force, a top plate is continuously shifted through a rack, a piston is continuously impacted on the top plate, the gas in the gas storage chamber slowly flows out through a thin groove and a guide groove, a probe pin is upwards jacked up in the flowing-out process of the gas, a rotating plate is separated from a button switch, an indicator lamp cannot be lightened, when cracks appear on the surface of the cable main body, the thickness and the width of the cracks can cause the gap between the detection seat and the cable main body to be enlarged, the pressure of the gas on the probe pin to be reduced, the probe pin can fall down, the rotating plate is in contact with the button switch, the indicator lamp is lightened, therefore, as long as the condition of the indicator lamp is observed, whether the surface of the, the operation is simple and convenient.
2. This high tension transmission cable outward appearance detection device through set up the hairspring subassembly on the roof for the roof is at the uniform velocity striking piston, realizes inflating process's at the uniform velocity, has just also guaranteed the uniform velocity nature when gaseous from the guide way outwards flows, and then has improved the accuracy that detects.
3. This high tension transmission cable outward appearance detection device through utilizing the lever principle of commentaries on classics board 15, gives the amplification with the small displacement of probe, and then has avoided button switch to be touched the possibility by the mistake, has improved the reliability that detects.
Drawings
FIG. 1 is a front cross-sectional view of the structure of the present invention;
FIG. 2 is a right side sectional view of the pulley connecting structure of the present invention;
FIG. 3 is a left side sectional view of the probe pin attachment structure of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 1 in accordance with the present invention;
FIG. 5 is an enlarged view of portion B of FIG. 2 in accordance with the present invention;
FIG. 6 is a perspective view of the piston construction of the present invention;
FIG. 7 is a schematic right view of the pulley structure of the present invention;
fig. 8 is a front view of the probe pin structure of the present invention.
In the figure: 1-detection seat, 2-sliding seat, 3-cable main body, 4-air storage chamber, 5-piston, 6-connecting shaft I, 7-pulley, 71-rack, 8-connecting shaft II, 9-top plate, 10-hairspring component, 11-probe, 12-guide groove, 13-magnet I, 14-magnet II, 15-rotating plate, 16-indicator light and 17-button switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an appearance inspection device for a high voltage transmission cable comprises an inspection base 1 and a sliding base 2, wherein an air storage chamber 4 is fixedly connected inside the inspection base 1, a piston 5 extending into the sliding base 2 is movably inserted inside the inspection base 1, a first connecting shaft 6 is fixedly connected inside the sliding base 2 and positioned on the right side of the piston 5, pulleys 7 are movably sleeved on the outer side of the first connecting shaft 6, racks 71 are uniformly distributed on the outer side of the pulleys 7, a second connecting shaft 8 is fixedly connected inside the sliding base 2 and positioned between the pulleys 7 and the piston 5, a top plate 9 corresponding to the racks 71 is movably sleeved on the outer side of the second connecting shaft 8, a hairspring assembly 10 is mounted on the top plate 9, probes 11 are movably inserted inside the inspection base 1 and positioned on the left side of the air storage chamber 4, guide grooves 12 corresponding to the probes 11 are formed inside the inspection base 11, the one end fixedly connected with magnet 13 that the probe pin 11 is close to and detects the seat 1 outside, detect the inside of seat 1 and the tank bottom fixedly connected with that is located guide way 12 and magnet two 14 that corresponds with magnet 13, the left side activity of probe pin 11 articulates there is commentaries on classics board 15, detects the outside fixed mounting of seat 1 and has pilot lamp 16, detects the inside of seat 1 and the outside fixed mounting that is located commentaries on classics board 15 and has button switch 17 that corresponds with pilot lamp 16.
Wherein, the inside activity of detecting seat 1 and sliding seat 2 is pegged graft and is had cable main part 3, is provided with power and switch module on detecting seat 1.
Wherein, the piston 5 is located the right side of air receiver 4, and the air inlet has been seted up on the right side of air receiver 4, and the spout that corresponds with piston 5 is seted up to the inside of detecting seat 1, and the right side of detecting seat 1 sets up the air vent that link up with the spout.
Wherein, a return spring is arranged on the piston 5, so that the piston 5 is pushed by the return spring to move rightwards to be reset.
Wherein, the pulley 7 extends to the outside of the inner wall of the sliding seat 2, and the rack 71 is not higher than the outer diameter of the pulley 7, so as to avoid the influence of the rack 71 on the cable main body 3 when the pulley 7 rolls on the cable main body 3.
Wherein, install the torsional spring on the roof 9 for roof 9 rotates anticlockwise under the torsion effect of torsional spring and resets.
Wherein, one side that the probe 11 is close to cable main part 3 is provided with sealed the pad for the separation is gaseous, is provided with the stopper on the probe 11, prescribes a limit to the sliding range of probe 15.
The guide groove 12 is an open groove, and the guide groove 12 is communicated with the air reservoir 4 through a narrow groove.
Wherein, the magnetism of one side of the opposite surface of the first magnet 13 and the second magnet 14 is the same, and the detection needle 11 extends outwards under the action of the repulsive force between the two magnets.
Wherein, the rotating plate 15 is installed in the detecting seat 1 through a fixed shaft, and the fixed shaft is close to the probe pin 11, according to the lever principle, after the probe pin 11 moves up and down a small distance, the left side of the rotating plate 15 can move up and down a large distance.
When the air storage chamber is used, in an initial state, the probe 11 extends downwards under the action of repulsive force between the two magnets, the lever action of the rotating plate 15 is utilized to press the left end of the rotating plate 15 onto the button switch 17, the circuit of the indicator light 16 is communicated when the button switch 17 is pressed through the design of the circuit, so that the indicator light 16 is lightened, the detection seat 1 and the sliding seat 2 are sleeved on the outer side of the cable main body 3, the pulley 7 is tightly attached to the outer side of the cable main body 3, then the sliding seat 2 is moved leftwards, the pulley 7 rotates under the action of friction force, the top plate 9 is continuously pushed through the rack 71 to continuously push the piston 5, the air storage chamber 4 is inflated, the amplitude of the hairspring is only related to the length of the hairspring, so that the hairspring rotates at equal periods, and the top plate 9 impacts the piston 5 at constant speed, realize the uniform velocity of inflation process, also can avoid the phenomenon of overcharging at the installation pneumatic valve in gas receiver 4, the inside gas of gas receiver 4 slowly flows out at the uniform velocity outwards through slot and guide way 12, and gas jack-up probe 11 upwards at the in-process that flows out, and then makes commentaries on classics board 15 and button switch 17 separate, and pilot lamp 16 just also goes out.
In the process of detecting when the detection seat 1 and the sliding seat 2 move leftwards, when there is no crack on the outer side of the cable main body 3, the size of the gap between the detection seat 1 and the cable main body 3 is within a normal range, therefore, the distance of upward movement of the probe 11 is also within a normal range, in this range, the rotating plate 15 is always separated from the indicator light 16, the indicator light 16 is always not lighted, when there is a crack on the surface of the cable main body 3, the thickness and width of the crack will cause the gap between the detection seat 1 and the cable main body 3 to be enlarged, because the process of inflation and deflation is uniform, the gas outflow between the detection seat 1 and the cable main body 3 is fixed, the gap is enlarged, the pressure of the gas on the probe 11 will be reduced, the probe 11 will fall, further the rotating plate 15 will contact with the button switch 17, the indicator light 16 will be lightened, therefore, whether the surface of the cable body 3 at the position has cracks can be judged by observing the state of the indicator light 16, and the operation is simple and convenient.
The constitution mode of detecting seat 1 and sliding seat 2 can be confirmed according to specific service environment, can be a fixed whole ring, also can be in the same place through two semicircle ring joint, in order to conveniently install on the cable that has put into use, the removal of sliding seat 2 can be through operating personnel hold sliding seat 2 and make it slide left, also can be at 2 internally mounted drive assembly of sliding seat, drive sliding seat 2 through the remote controller and remove left, realize automatic operation, in order to conveniently detect the cable that the eminence is hanging, also can install spring assembly on probe 11 and replace the magnet, realize reciprocating and the reseing of probe 11.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a high tension transmission cable outward appearance detection device, is including detecting seat (1) and sliding seat (2), its characterized in that: the detection device is characterized in that an air storage chamber (4) is fixedly connected inside the detection seat (1), a piston (5) extending into the sliding seat (2) is movably inserted into the detection seat (1), a first connecting shaft (6) is fixedly connected inside the sliding seat (2) and positioned on the right side of the piston (5), uniformly distributed pulleys (7) are movably sleeved on the outer side of the first connecting shaft (6), uniformly distributed racks (71) are arranged on the outer side of the pulleys (7), a second connecting shaft (8) is fixedly connected inside the sliding seat (2) and positioned between the pulleys (7) and the piston (5), a top plate (9) corresponding to the racks (71) is movably sleeved on the outer side of the second connecting shaft (8), a hairspring assembly (10) is installed on the top plate (9), and uniformly distributed detection needles (11) are movably inserted into the detection seat (1) and positioned on the left side of the air storage chamber (4), detect guide way (12) that correspond with probe needle (11) are seted up to the inside of seat (11), probe needle (11) are close to the one end fixedly connected with magnet (13) that detects seat (1) outside, the tank bottom fixedly connected with that detects the inside of seat (1) and be located guide way (12) corresponds with magnet (13) two (14), the left side activity hinge of probe needle (11) has commentaries on classics board (15), the outside fixed mounting that detects seat (1) has pilot lamp (16), the outside fixed mounting that detects the inside of seat (1) and be located commentaries on classics board (15) has button switch (17) that correspond with pilot lamp (16).
2. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the cable main body (3) is movably inserted in the detection seat (1) and the sliding seat (2), and a power supply switch assembly are arranged on the detection seat (1).
3. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the piston (5) is located on the right side of the air storage chamber (4), an air inlet is formed in the right side of the air storage chamber (4), a sliding groove corresponding to the piston (5) is formed in the detection seat (1), and an air vent communicated with the sliding groove is formed in the right side of the detection seat (1).
4. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: and a return spring is arranged on the piston (5).
5. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the pulley (7) extends to the outer side of the inner wall of the sliding seat (2), and the rack (71) is not higher than the outer diameter of the pulley (7).
6. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: and a torsion spring is arranged on the top plate (9).
7. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: one side that probe (11) are close to cable main part (3) is provided with sealed the pad, be provided with the stopper on probe (11).
8. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the guide groove (12) is an open groove, and the guide groove (12) is communicated with the air storage chamber (4) through a thin groove.
9. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the magnetism of one side of the opposite surface of the first magnet (13) is the same as that of one side of the opposite surface of the second magnet (14).
10. The appearance inspection device for high-voltage power transmission cables according to claim 1, characterized in that: the rotating plate (15) is installed in the detection seat (1) through a fixed shaft, and the fixed shaft is close to the detection needle (11).
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CN202010290243.9A CN111351750B (en) | 2020-04-14 | 2020-04-14 | Appearance detection device for high-voltage transmission cable |
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CN202010290243.9A CN111351750B (en) | 2020-04-14 | 2020-04-14 | Appearance detection device for high-voltage transmission cable |
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CN115009924A (en) * | 2022-07-19 | 2022-09-06 | 无锡市锡山江海机械制造有限公司 | Efficient double-station automatic take-up unit |
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