CN112525445B - Wall bushing sealing detection device for power transmission line in wall - Google Patents

Wall bushing sealing detection device for power transmission line in wall Download PDF

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Publication number
CN112525445B
CN112525445B CN202110022341.9A CN202110022341A CN112525445B CN 112525445 B CN112525445 B CN 112525445B CN 202110022341 A CN202110022341 A CN 202110022341A CN 112525445 B CN112525445 B CN 112525445B
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China
Prior art keywords
cavity
wall
box
sliding
sleeve
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CN202110022341.9A
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CN112525445A (en
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李美勇
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GUIZHOU POWER TRANSMISSION AND DISTRIBUTION Co.,Ltd.
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Guizhou Power Transmission And Distribution Co ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • G01M3/28Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
    • G01M3/2807Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
    • G01M3/2815Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Sealing Devices (AREA)

Abstract

The invention discloses a through-wall sleeve sealing detection device for an electric transmission line in a wall, which comprises the wall, wherein a sleeve is fixedly connected in the wall, a sleeve cavity with an opening in the left-right direction is arranged in the sleeve, the left side of the sleeve is abutted against an organic shell, and an organic body cavity with a right opening is arranged in the organic shell.

Description

Wall bushing sealing detection device for power transmission line in wall
Technical Field
The invention relates to the field of power equipment, in particular to a wall bushing sealing detection device for an in-wall power transmission line.
Background
The wall bushing is also called a wall bushing, and is electrically used for conducting electricity, namely an alternating current wall bushing, and the wall bushing can be divided into a dry capacitive alternating current wall bushing and a ceramic insulation alternating current wall bushing. The wall bushing needs to be installed in a wall when in use, needs to be waterproof and insulated, and then guarantees the sealing performance of the wall bushing, but the sealing performance of the wall bushing is difficult to detect after installation, if phenomena such as electric leakage occur, great economic loss can be caused, fire disasters can be caused, and life safety of people is harmed.
Disclosure of Invention
Aiming at the technical defects, the invention provides a wall bushing sealing detection device for an in-wall power transmission line, which can overcome the defects.
The invention relates to a wall bushing sealing detection device of a power transmission line in a wall, which comprises the wall, wherein a bushing is fixedly connected in the wall, a bushing cavity with an opening in the left-right direction is arranged in the bushing, the left side of the bushing is abutted to a machine body shell, a machine body cavity with a right opening is arranged in the machine body shell, a telescopic sealing device is arranged in the machine body cavity and comprises a motor arranged on the inner part of the machine body shell, a first transmission shaft is arranged on the motor, a first bevel gear positioned at the opening on the right side of the machine body cavity is arranged on the first transmission shaft, a fixed barrel sleeve positioned in the bushing cavity is arranged on the right side of the machine body shell, a telescopic cavity communicated with the machine body cavity is arranged in the fixed barrel sleeve, a first barrel sleeve in sliding connection with the fixed barrel sleeve is arranged in the telescopic cavity, a barrel sleeve cavity communicated with the telescopic cavity is arranged in, a supporting wall fixedly connected with the first barrel sleeve is arranged in the barrel sleeve cavity, a second transmission shaft slidably connected with the first barrel sleeve is connected to the supporting wall in a threaded manner, a second bevel gear which is positioned in the machine body cavity and is engaged and connected with the first bevel gear is arranged on the second transmission shaft, a fixed box slidably connected with the second transmission shaft is fixedly connected to the right side of the first barrel sleeve, a fixed cavity is arranged in the fixed box, a third bevel gear which is positioned in the fixed cavity is arranged on the second transmission shaft, sliding boxes which are vertically symmetrical about the third bevel gear are slidably connected to the inner wall of the fixed box, sliding cavities are arranged in the sliding boxes which are vertically symmetrical, a telescopic box slidably connected with the sliding boxes is arranged in the sliding cavities, a force storage cavity is arranged in the telescopic box, a sliding plate is slidably connected with the force storage cavity, and a force storage spring fixedly connected with the telescopic box is arranged on the sliding plate, a telescopic sleeve is arranged on one side, close to the third bevel gear, of the sliding plate, a rotating cavity is arranged in the telescopic sleeve, a threaded rod which extends into the rotating cavity and is in threaded connection with the telescopic sleeve is arranged in the fixed box, a fourth bevel gear which is in meshed connection with the third bevel gear is arranged on the threaded rod, sealing plates which are positioned on the lower two sides of the first barrel sleeve are arranged on the telescopic boxes which are vertically symmetrical, a buffer box is arranged on the right side of the sealing plate, a buffer cavity with a leftward opening is arranged in the buffer box, a pressure plate is connected to the inner wall of the buffer box in a sliding manner, a rubber pad which is positioned outside the buffer cavity is arranged on the left side of the pressure plate, and after the motor is started, the first transmission shaft rotates to drive the first bevel gear to rotate, and the second bevel gear is driven to rotate by a gear transmission principle so as to drive the second transmission, the first barrel sleeve is driven to move rightwards through a thread transmission principle, meanwhile, the second transmission shaft rotates to drive the third bevel gear to rotate, the fourth bevel gear is driven to rotate through a gear transmission principle, the threaded rod is driven to rotate, the telescopic sleeves which are symmetrical up and down are driven to simultaneously move towards the direction far away from the third bevel gear through the thread transmission principle, the sliding plate is driven to move towards the direction far away from the third bevel gear, and the force storage spring is compressed. The closing plate moves to the right along with the first barrel casing, when the rubber cushion moves to the right side of the casing, the pulley is not blocked, the closing plate moves towards the direction far away from the first barrel sleeve under the action of the power storage spring, at the moment, the motor drives the first transmission shaft to rotate reversely, thereby driving the first barrel cover to move leftwards, thereby driving the closing plate to move leftwards, the rubber cushion is contacted with the outer surface of the wall, the buffer spring is compressed, the casing cavity can be sealed, a supercharging device is arranged in the machine body cavity, the supercharging device comprises a third transmission shaft which is rotationally connected on the inner wall of the machine body shell and is in transmission connection with the first transmission shaft, the machine body shell is provided with a fixing device which is vertically symmetrical relative to the sleeve, and the fixing device comprises a sealing pipe which is fixedly connected to the machine body shell and vertically symmetrical relative to the sleeve.
Preferably, the telescopic sealing device further comprises a pulley which is arranged on the sealing plate and is in rolling connection with the inner wall of the sleeve, and when the fixed box moves rightwards along with the first barrel sleeve, the pulley rolls on the sleeve to reduce friction.
Preferably, the supercharging device further comprises a disc positioned on the left side of the telescopic cavity and arranged on the third transmission shaft, an air tank positioned on the left side of the disc is arranged in the machine body cavity, a support plate is connected to the air tank in a sliding manner, a horizontal chute is arranged on the support plate, a support pin which is positioned in the horizontal chute and is connected with the support plate in a sliding manner is arranged on the inner wall of the machine body shell, a loop ring is further arranged on the support plate, a vertical chute is arranged on the loop ring, a first rotating shaft which is positioned in the vertical chute and is connected with the support plate in a sliding manner is arranged on the disc, an air cavity is arranged in the air tank, a one-way valve is arranged on the air tank, an air outlet which penetrates through the air cavity and the outside is further arranged on the air tank, air outlet pipelines which are vertically symmetrical relative to, when first transmission shaft rotates, through the belt drive principle, thereby drive the third transmission shaft rotates, thereby drives the disc rotates, thereby drives remove about the backup pad, thereby drives the aerofoil is in air cavity horizontal slip can with the air in the air cavity passes through air-out pipeline blows in the sleeve pipe intracavity, works as behind the sealed casing pipe chamber, can through to carry air in the sleeve pipe intracavity, increase pressure, can inspect the gas tightness in the sleeve pipe intracavity.
Preferably, the fixing device further comprises a sealing cavity which is arranged in the sealing tube in an up-down symmetrical manner and has a right opening, a sliding connecting plate which extends to the outer side of the sealing cavity and is in sliding connection with the sealing tube is connected in the sealing cavity in a sliding manner, a tension spring which is fixedly connected with the inner wall of the sealing tube is arranged on the left side of the sliding connecting plate, the sliding connecting plate is provided with a latch, the sealing tube is fixedly connected with a positioning box, a positioning cavity with an opening close to one side of the sliding connecting plate is arranged in the positioning box, a second rotating shaft which is rotatably connected with the inner wall of the positioning box is arranged in the positioning cavity, a third rotating shaft is rotatably connected with the positioning box, a knob which is arranged on the upper side of the positioning box is arranged on the third rotating shaft, a fifth bevel gear is arranged on the third rotating shaft, and a sixth bevel gear, still be equipped with the cam in the second pivot, positioning box sliding connection has and is located the fixture block of cam downside, be equipped with the board that resets on the fixture block, reset on the board be equipped with positioning box fixed connection's reset spring, the fixture block with the latch butt through rotating the knob can drive the third pivot is rotated, through the gear drive principle, thereby drives the second pivot rotates, thereby drives the cam rotates, thereby drives the fixture block reciprocates, can control the fixture block with the latch butt.
Preferably, the fixing device further comprises a rubber sucker connected with the wall in a suction manner and arranged on the sliding connection plate, and the machine body can be adsorbed on the wall through the rubber sucker to fix the machine body and keep the airtightness.
The beneficial effects are that: according to the invention, according to a gear transmission principle and a belt transmission principle, by utilizing a telescopic structure, a wall bushing penetrates from one side of a wall body to the other side of the wall body, the bushing is sealed for the combined wall body, and whether air leakage occurs on the inner wall of the bushing and the contact part of the bushing and the wall body is detected by increasing the air pressure, so that the tightness of the bushing is detected, the phenomenon of electric leakage and water leakage after the bushing is installed is prevented, overlarge economic loss is avoided, and potential safety hazards are avoided.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of A-A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged structural diagram of B in FIG. 1 according to an embodiment of the present invention;
fig. 4 is an enlarged schematic structural diagram of C in fig. 1 according to an embodiment of the present invention.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a wall-through sleeve sealing detection device for an in-wall power transmission line, which comprises a wall 11, wherein a sleeve 12 is fixedly connected in the wall 11, a sleeve cavity 76 with an opening in the left-right direction is arranged in the sleeve 12, the left side of the sleeve 12 is abutted against a machine body shell 13, a machine body cavity 14 with a right opening is arranged in the machine body shell 13, a telescopic sealing device 901 is arranged in the machine body cavity 14, the telescopic sealing device 901 comprises a motor 15 arranged on the inner part of the machine body shell 13, a first transmission shaft 27 is arranged on the motor 15, a first bevel gear 29 positioned at the opening on the right side of the machine body cavity 14 is arranged on the first transmission shaft 27, a fixed barrel sleeve 77 positioned in the sleeve cavity 76 is arranged on the right side of the machine body shell 13, a telescopic cavity 32 communicated with the machine body cavity 14 is arranged in the fixed barrel sleeve 77, a first barrel sleeve 30 connected with the fixed barrel sleeve 77, a barrel sleeve cavity 31 communicated with the telescopic cavity 32 is arranged in the first barrel sleeve 30, a supporting wall 33 fixedly connected with the first barrel sleeve 30 is arranged in the barrel sleeve cavity 31, a second transmission shaft 28 slidably connected with the first barrel sleeve 30 is connected to the supporting wall 33 through threads, a second bevel gear 17 positioned in the machine body cavity 14 and engaged with the first bevel gear 29 is arranged on the second transmission shaft 28, a fixed box 35 slidably connected with the second transmission shaft 28 is fixedly connected to the right side of the first barrel sleeve 30, a fixed cavity 36 is arranged in the fixed box 35, a third bevel gear 37 positioned in the fixed cavity 36 is arranged on the second transmission shaft 28, sliding boxes 38 vertically symmetrical to the third bevel gear 37 are slidably connected to the inner wall of the fixed box 35, a sliding cavity 39 is arranged in the sliding box 38, and a telescopic box 40 slidably connected with the sliding box 38 is arranged in the sliding cavity 39, a power storage cavity 41 is arranged in the telescopic box 40, the power storage cavity 41 is connected with a sliding plate 43 in a sliding manner, a power storage spring 42 fixedly connected with the telescopic box 40 is arranged on the sliding plate 43, a telescopic sleeve 44 is arranged on one side of the sliding plate 43 close to the third bevel gear 37, a rotating cavity 45 is arranged in the telescopic sleeve 44, a threaded rod 46 extending into the rotating cavity 45 and in threaded connection with the telescopic sleeve 44 is arranged in the fixed box 35, a fourth bevel gear 47 in meshed connection with the third bevel gear 37 is arranged on the threaded rod 46, sealing plates 48 positioned at the upper side and the lower side of the first barrel sleeve 30 are arranged on the telescopic box 40 which is vertically symmetrical, a buffer box 49 is arranged at the right side of the sealing plate 48, a buffer cavity 50 with a leftward opening is arranged in the buffer box 49, a pressure plate 52 is connected on the inner wall of the buffer box 49 in a sliding manner, a rubber pad 54 positioned outside the buffer cavity 50 is arranged at the left side of the, when the motor 15 is started, the first transmission shaft 27 rotates to drive the first bevel gear 29 to rotate, the second bevel gear 17 is driven to rotate by a gear transmission principle to drive the second transmission shaft 28 to rotate, the first barrel 30 is driven to move rightwards by a thread transmission principle, meanwhile, the third bevel gear 37 is driven to rotate by the rotation of the second transmission shaft 28, the fourth bevel gear 47 is driven to rotate by a gear transmission principle to drive the threaded rod 46 to rotate, the telescopic sleeves 44 which are vertically symmetrical are driven to simultaneously move away from the third bevel gear 37 by a thread transmission principle, the sliding plate 43 is driven to move away from the third bevel gear 37, and the force storage spring 42 is compressed. The closing plate 48 moves rightwards along with the first barrel casing 30, when the rubber pad 54 moves to the right side of the sleeve 12, the pulley 51 loses the blocking, the closing plate 48 moves towards the direction far away from the first barrel casing 30 under the action of the force accumulation spring 42, at this time, the motor 15 drives the first transmission shaft 27 to rotate reversely, so as to drive the first barrel casing 30 to move leftwards, so as to drive the closing plate 48 to move leftwards, the rubber pad 54 is in contact with the outer surface of the wall 11, the buffer spring 53 is compressed, so as to seal the sleeve cavity 76, a pressurizing device 902 is arranged in the machine body cavity 14, the pressurizing device 902 comprises a third transmission shaft 16 which is rotationally connected to the inner wall of the machine body shell 13 and is in transmission connection with the first transmission shaft 27, a fixing device 903 which is symmetrical up and down with respect to the sleeve 12 is arranged on the machine body shell 13, the fixing device 903 comprises a sealing tube 58 which is fixedly connected to the machine body shell 13 and is symmetrical up and down relative to the sleeve 12.
Advantageously, the telescopic sealing device 901 further comprises a pulley 51 arranged on the closing plate 48 and in rolling contact with the inner wall of the casing 12, the pulley 51 rolling on the casing 12 when the fixed box 35 moves to the right with the first barrel casing 30, reducing friction.
Advantageously, the supercharging apparatus 902 further includes a disc 18 disposed on the third transmission shaft 16 and located on the left side of the telescopic cavity 32, an air tank 22 disposed on the left side of the disc 18 and located in the engine body cavity 14, a support plate 20 slidably connected to the air tank 22, a horizontal sliding groove 21 disposed on the support plate 20, a support pin 57 disposed in the horizontal sliding groove 21 and slidably connected to the support plate 20 and disposed on the inner wall of the engine body housing 13, a loop 19 disposed on the support plate 20, a vertical sliding groove 56 disposed on the loop 19, a first rotating shaft 55 disposed in the vertical sliding groove 56 and slidably connected to the support plate 20 and disposed on the disc 18, an air cavity 75 disposed in the air tank 22, a one-way valve 24 disposed on the air tank 22, and an air outlet 25 disposed on the air tank 22 and penetrating through the air cavity 75 and the outside, fixedly connected with about on the air tank 22 air-out pipeline 26 of backup pad 20 upper and lower symmetry, air-out pipeline 26 with casing chamber 76 link up, works as when first transmission shaft 27 rotates, through the belt drive principle, thereby drive third transmission shaft 16 rotates, thereby drives disc 18 rotates, thereby drives the backup pad 20 removes, thereby drives the aerofoil 23 is in horizontal slip in the air chamber 75 can with air in the air chamber 75 passes through air-out pipeline 26 blows in casing chamber 76, works as after casing chamber 76 seals, can through to carry air in casing chamber 76, increase pressure, can inspect the gas tightness in casing chamber 76.
Beneficially, the fixing device 903 further includes a sealing cavity 59 disposed in the sealing tube 58 in an up-down symmetrical manner, and having a rightward opening, a sliding connection plate 61 extending to the outside of the sealing cavity 59 and slidably connected to the sealing tube 58 is slidably connected in the sealing cavity 59, a tension spring 60 fixedly connected to the inner wall of the sealing tube 58 is disposed on the left side of the sliding connection plate 61, a latch 73 is disposed on the sliding connection plate 61, a positioning box 62 is fixedly connected to the sealing tube 58, a positioning cavity 66 having an opening close to one side of the sliding connection plate 61 is disposed in the positioning box 62, a second rotating shaft 67 rotatably connected to the inner wall of the positioning box 62 is disposed in the positioning cavity 66, a third rotating shaft 64 is rotatably connected to the positioning box 62, a knob 63 located on the upper side of the positioning box 62 is disposed on the third rotating shaft 64, and a fifth bevel gear 65 is disposed on the third rotating shaft, the second rotating shaft 67 is provided with a sixth bevel gear 69 in gear transmission connection with the fifth bevel gear 65, the second rotating shaft 67 is further provided with a cam 68, the positioning box 62 is slidably connected with a fixture block 70 positioned on the lower side of the cam 68, the fixture block 70 is provided with a reset plate 71, the reset plate 71 is provided with a reset spring 72 fixedly connected with the positioning box 62, the fixture block 70 is abutted against the latch 73, the third rotating shaft 64 can be driven to rotate by rotating the knob 63, the second rotating shaft 67 is driven to rotate by a gear transmission principle, the cam 68 is driven to rotate, the fixture block 70 is driven to move up and down, and the fixture block 70 is controlled to be abutted against the latch 73.
Advantageously, the fixing device 903 further comprises a rubber suction cup 74 arranged on the sliding connection plate 61 and connected with the wall 11 in a suction manner, and the body can be sucked on the wall 11 through the rubber suction cup 74 to fix the body and maintain the tightness.
In the initial state, the first rotating shaft 55 is located on the side far away from the air cavity 75, the supporting pin 57 is located on the leftmost side in the horizontal sliding chute 21, the supporting wall 33 is located on the side, closest to the second bevel gear 17, of the second driving shaft 28, the first barrel casing 30 is located on the leftmost side in the telescopic cavity 32, the power storage spring 42 is in the normal state, the sliding plate 43 is located on the side, closest to the fourth bevel gear 47, of the power storage cavity 41, the telescopic casing 44 is located on the side, closest to the fourth bevel gear 47, of the threaded rod 46, the vertically symmetrical closing plate 48 is located on the side, closest to the first barrel casing 30, the buffer spring 53 is in the normal state, the pressure plate 52 is located on the leftmost side in the buffer cavity 50, the latch 70 abuts against the latch tooth 73, the sliding connecting plate 61 is located on the;
in operation, will fix the barrel casing 77 part and put into the sleeve pipe chamber 76 in, use rubber suction disc 74 to adsorb on the wall 11 surface, wrench movement knob 63, can drive third pivot 64 and rotate, through the gear drive principle, thereby drive second pivot 67 and rotate, thereby drive cam 68 and rotate, thereby promote fixture block 70 and remove to keeping away from sliding connection board 61 direction, fixture block 70 and latch 73 no longer butt, thereby make sealed tube 58 remove to being close to sliding connection board 61 direction under tension spring 60's effect, can drive engine body shell 13 and sleeve pipe 12 fully contact, thereby keep the leakproofness of engine body shell 13 and sleeve pipe 12 kneck.
After the device is fixed, the motor 15 is started, the first transmission shaft 27 rotates to drive the first bevel gear 29 to rotate, the second bevel gear 17 is driven to rotate by the gear transmission principle to drive the second transmission shaft 28 to rotate, the supporting wall 33 is driven to move rightwards by the thread transmission principle to drive the first barrel cover 30 to move rightwards, so as to drive the fixed box 35 to move rightwards, meanwhile, the second transmission shaft 28 rotates to drive the third bevel gear 37 to rotate, so as to drive the fourth bevel gear 47 to rotate, so as to drive the threaded rod 46 to rotate, the telescopic sleeve 44 is driven to move towards the direction far away from the fourth bevel gear 47 by the thread transmission principle, so as to drive the sliding plate 43 to move towards the direction far away from the fourth bevel gear 47, so that the power storage spring 42 is compressed, the closing plate 48 still moves rightwards, when the rubber pad 54 moves to the outer side of the casing cavity 76, the closing plate 48 is not abutted with the inner wall of the sleeve 12 any more, the closing plate 48 can be ejected out under the action of the power storage spring 42, the rubber pad 54 moves to the upper side and the lower side of the sleeve 12, at the moment, the motor 15 drives the first transmission shaft 27 to rotate reversely, so as to drive the first barrel sleeve 30 to move towards the left side, so as to drive the rubber pad 54 to contact with the right side surface of the wall 11 and generate extrusion, the sleeve cavity 76 is completely sealed, meanwhile, after the first transmission shaft 27 rotates, the third transmission shaft 16 is driven to rotate through the belt transmission principle, so as to drive the disc 18 to rotate, so as to drive the first rotation shaft 55 to rotate, so as to drive the loop ring 19 to move left and right, so as to drive the support plate 20 to slide left and right, so as to drive the air suction plate 23 to slide left and right, after other air in the air cavity 75 is pushed out through the air outlet 25, the air cavity 75 is filled with air, the pressure in the casing cavity 76 is prompted, and the tightness of the inner wall of the casing 12 and the tightness of the contact position of the casing 12 and the wall 11 can be detected by detecting the pressure in the casing cavity 76 after sealing.
The beneficial effects are that: according to the invention, according to a gear transmission principle and a belt transmission principle, by utilizing a telescopic structure, a wall bushing penetrates from one side of a wall body to the other side of the wall body, the bushing is sealed for the combined wall body, and whether air leakage occurs on the inner wall of the bushing and the contact part of the bushing and the wall body is detected by increasing the air pressure, so that the tightness of the bushing is detected, the phenomenon of electric leakage and water leakage after the bushing is installed is prevented, overlarge economic loss is avoided, and potential safety hazards are avoided.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (5)

1. The utility model provides a sealed detection device of wall bushing of transmission line in wall, includes the wall, fixedly connected with sleeve pipe in the wall, the intraductal open-ended casing pipe chamber about being equipped with of cover, its characterized in that: the left side of the sleeve is abutted to a body shell, a body cavity with a right opening is arranged in the body shell, a telescopic sealing device is arranged in the body cavity and comprises a motor arranged on the inner part of the body shell, a first transmission shaft is arranged on the motor and is provided with a first bevel gear positioned at the right opening of the body cavity, a fixed barrel sleeve positioned in the body cavity is arranged on the right side of the body shell, a telescopic cavity communicated with the body cavity is arranged in the fixed barrel sleeve, a first barrel sleeve in sliding connection with the fixed barrel sleeve is arranged in the telescopic cavity, a barrel sleeve cavity communicated with the telescopic cavity is arranged in the first barrel sleeve, a supporting wall fixedly connected with the first barrel sleeve is arranged in the barrel sleeve cavity, and a second transmission shaft in sliding connection with the first barrel sleeve is in threaded connection with the supporting wall, the second transmission shaft is provided with a second bevel gear which is positioned in the machine body cavity and is in meshed connection with the first bevel gear, the right side of the first barrel sleeve is fixedly connected with a fixed box which is in sliding connection with the second transmission shaft, a fixed cavity is arranged in the fixed box, the second transmission shaft is provided with a third bevel gear which is positioned in the fixed cavity, the inner wall of the fixed box is in sliding connection with a sliding box which is in vertical symmetry with the third bevel gear, a sliding cavity is arranged in the sliding box which is in vertical symmetry, a telescopic box which is in sliding connection with the sliding box is arranged in the sliding cavity, a force storage cavity is arranged in the telescopic box, the force storage cavity is in sliding connection with a sliding plate, the sliding plate is provided with a force storage spring which is fixedly connected with the telescopic box, one side of the sliding plate, which is close to the third bevel gear, is provided, a threaded rod which extends into the rotating cavity and is in threaded connection with the telescopic sleeve is arranged in the fixed box, a fourth bevel gear in meshed connection with the third bevel gear is arranged on the threaded rod, sealing plates positioned on the upper side and the lower side of the first barrel sleeve are arranged on the telescopic boxes which are vertically symmetrical, a buffer box is arranged on the right side of the sealing plate, a buffer cavity with a leftward opening is arranged in the buffer box, a pressure plate is connected on the inner wall of the buffer box in a sliding way, a rubber pad positioned outside the buffer cavity is arranged on the left side of the pressure plate, a supercharging device is arranged in the machine body cavity, the supercharging device comprises a third transmission shaft which is rotatably connected on the inner wall of the machine body shell and is in transmission connection with the first transmission shaft, the machine body shell is provided with a fixing device which is vertically symmetrical relative to the sleeve, and the fixing device comprises a sealing pipe which is fixedly connected to the machine body shell and vertically symmetrical relative to the sleeve.
2. The wall bushing sealing detection device of the in-wall power transmission line of claim 1, characterized in that: the telescopic sealing device further comprises a pulley which is arranged on the sealing plate and is in rolling connection with the inner wall of the sleeve.
3. The wall bushing sealing detection device of the in-wall power transmission line of claim 2, characterized in that: the supercharging device also comprises a disc positioned on the left side of the telescopic cavity on the third transmission shaft, an air box positioned on the left side of the disc is arranged in the machine body cavity, a supporting plate is connected on the air box in a sliding way, the supporting plate is provided with a horizontal chute, the inner wall of the machine body shell is provided with a supporting pin which is positioned in the horizontal chute and is in sliding connection with the supporting plate, the supporting plate is also provided with a loop ring, the loop ring is provided with a vertical chute, the disc is provided with a first rotating shaft which is positioned in the vertical chute and is connected with the supporting plate in a sliding way, an air cavity is arranged in the air box, a one-way valve is arranged on the air box, an air outlet which is communicated with the air cavity and the outside is also arranged on the air box, the air box is fixedly connected with air outlet pipelines which are vertically symmetrical relative to the supporting plate, and the air outlet pipelines are communicated with the sleeve cavity.
4. The wall bushing sealing detection device of the in-wall power transmission line of claim 3, characterized in that: the fixing device also comprises a sealing cavity which is arranged in the sealing tube in an up-down symmetrical manner and has a right opening, a sliding connecting plate which extends to the outer side of the sealing cavity and is in sliding connection with the sealing tube is connected in the sealing cavity in a sliding manner, a tension spring which is fixedly connected with the inner wall of the sealing tube is arranged on the left side of the sliding connecting plate, a latch is arranged on the sliding connecting plate, a positioning box is fixedly connected on the sealing tube, a positioning cavity with an opening close to one side of the sliding connecting plate is arranged in the positioning box, a second rotating shaft which is rotatably connected with the inner wall of the positioning box is arranged in the positioning cavity, a third rotating shaft is rotatably connected on the positioning box, a knob positioned on the upper side of the positioning box is arranged on the third rotating shaft, a fifth bevel gear is arranged on the third rotating shaft, and a sixth bevel gear in, still be equipped with the cam in the second pivot, positioning box sliding connection has and is located the fixture block of cam downside, be equipped with the board that resets on the fixture block, reset on the board be equipped with positioning box fixed connection's reset spring, the fixture block with the latch butt.
5. The wall bushing sealing detection device of the in-wall power transmission line of claim 4, characterized in that: the fixing device further comprises a rubber sucker which is arranged on the sliding connection plate and connected with the wall in a suction mode.
CN202110022341.9A 2021-01-08 2021-01-08 Wall bushing sealing detection device for power transmission line in wall Active CN112525445B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110022341.9A CN112525445B (en) 2021-01-08 2021-01-08 Wall bushing sealing detection device for power transmission line in wall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110022341.9A CN112525445B (en) 2021-01-08 2021-01-08 Wall bushing sealing detection device for power transmission line in wall

Publications (2)

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