CN115144435A - Insulating cylinder test is with test machine - Google Patents

Insulating cylinder test is with test machine Download PDF

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Publication number
CN115144435A
CN115144435A CN202211076911.3A CN202211076911A CN115144435A CN 115144435 A CN115144435 A CN 115144435A CN 202211076911 A CN202211076911 A CN 202211076911A CN 115144435 A CN115144435 A CN 115144435A
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CN
China
Prior art keywords
rod
bin
cylinder
insulating
blocking
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Granted
Application number
CN202211076911.3A
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Chinese (zh)
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CN115144435B (en
Inventor
刘志刚
肖刚
杨震宇
汪龙坤
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Jiangsu Tengyan Electric Co ltd
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Jiangsu Tengyan Electric Co ltd
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Priority to CN202211076911.3A priority Critical patent/CN115144435B/en
Publication of CN115144435A publication Critical patent/CN115144435A/en
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Publication of CN115144435B publication Critical patent/CN115144435B/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N31/00Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/0092Arrangements for measuring currents or voltages or for indicating presence or sign thereof measuring current only

Abstract

The invention relates to the technical field of insulation cylinder testing, in particular to a testing machine for insulation cylinder testing. Can form the position matching storehouse and the shutoff storehouse of the airtight environment system of minizone through the outside setting at the insulating cylinder, and the inner chamber movable assembly in position matching storehouse and shutoff storehouse can carry out the current detection mechanism that the part divide into current detection to the outside both sides of insulating cylinder, when controlling two insulating sliding blocks and carrying out the symmetric distribution along the outside both sides of insulating cylinder, operating personnel can feed through the power with two wires, receive the guide of two wires to the power, electrically conductive piece can real-time circular telegram this moment, and combine the contact of the inner arc gasket of electrically conductive piece and insulating cylinder outer wall, in case the insulating cylinder part divide into the breakage, and there is the water droplet at damaged position, thereby can make things convenient for the device to carry out accurate current detection to the insulating cylinder part.

Description

Test machine for insulation cylinder inspection
Technical Field
The invention relates to the technical field of insulation cylinder testing, in particular to a testing machine for insulation cylinder testing.
Background
The insulating cylinder is one of insulator series, and it is used for protecting the high tension current who is guided on mainly being applied to the experimental transformer, for the subassembly that the experimental transformer provided voltage protection, and the insulating cylinder on the experimental transformer exposes in the air for a long time, and external environment factor causes the insulating cylinder damage very easily, and then leads to high tension current unstability.
At present, when an experimental transformer used on the market detects high-voltage currents of different devices, once an insulating cylinder is damaged, water drops formed by humid gas in air are condensed on the damaged part of the insulating cylinder, and the insulating cylinder becomes a conductor at the moment, so that a dangerous accident of short circuit is caused to a voltage detection device.
According to the above, the technical difficulty to be solved by the present invention is to determine whether the insulation cylinder is damaged or not.
Disclosure of Invention
The present invention has been made to solve one of the technical problems occurring in the prior art or the related art.
Therefore, the technical scheme adopted by the invention is as follows:
the utility model provides a test machine is used in insulating cylinder inspection, includes sealed separation mechanism, stop gear, drive mechanism and current detection mechanism, sealed separation mechanism includes horizontal joining in marriage a position storehouse, swing joint in the shutoff storehouse of joining in marriage a position storehouse outer end, installs the blast pipe of joining in marriage a position storehouse bottom, the annular packing ring of movable mounting in joining in marriage a position storehouse and shutoff storehouse, is located backing plate in joining in marriage a position storehouse, connects the expansion screw rod at the inboard middle part of backing plate, is located the screw thread baffle in shutoff storehouse, the pressure boost pole of movable mounting in the inboard middle part of screw thread baffle and connect the centre gripping subassembly in expansion screw rod, the centre gripping subassembly is including distributing in four clamping pieces in expansion screw rod the inner, connecting the extension spring inside the clamping piece and run through to the inside slide bar of clamping piece, stop gear is including installing the outside first cushion block in joining in the position storehouse, installing the outside second cushion block in shutoff storehouse, movable mounting the beam pole in first cushion block and second cushion block and run through the inside screw rod to the second cushion, drive mechanism is including connecting at the outside auxiliary pull rod outside the auxiliary pull rod outside of pressure boost pole, the horizontal tube, run through the slider and install in the insulating slider and the slider of the insulating slider that the horizontal tube or the inside the insulating slider that the insulating slider is equipped with the slider, the slider in the horizontal tube, the slider is installed in the insulating slider of horizontal tube.
The invention in a preferred example may be further configured to: a plurality of annular grooves are formed in the inner walls of the coordination bin and the blocking bin, and a plurality of slide ways which are distributed circumferentially are further formed in the inner walls of the coordination bin and the blocking bin.
Through adopting above-mentioned technical scheme, utilize and set up a plurality of annular of evenly distributed on the inner wall in position matching storehouse and shutoff storehouse to combine the spout that the circumference distributes to the circumference and the horizontal spacing guide of insulating slider, with this can make two insulating sliders can fix a position the adaptation to the outside of insulating cylinder.
The present invention in a preferred example may be further configured to: cylindrical threaded pipes are arranged in the threaded partition plates, and the cylindrical threaded pipes in the threaded partition plates are matched with screws meshed in the pressure increasing rods.
Through adopting above-mentioned technical scheme, utilize the inside cylindrical screwed pipe of screw baffle to the restraint of pressure boost pole horizontal line, when pressure boost pole clockwise rotation and drive its inner compress tightly behind the less end of insulating cylinder, the expansion of reunion four clamping pieces can make the insulating cylinder be in unsettled state to make things convenient for two insulating slider's free activity.
The present invention in a preferred example may be further configured to: the expansion screw rod is formed by welding an I-shaped shaft rod and a cone-shaped screw rod, and the inner end of the cone-shaped screw rod is provided with an annular cushion block penetrating through the grooves in the four clamping pieces.
By adopting the technical scheme, the inner end of the I-shaped shaft rod of the expansion screw rod is welded with the frustum-shaped screw rod, and the expansion of the frustum-shaped screw rod on the four clamping pieces is combined, so that the larger end of the insulating cylinder can be conveniently and tightly fixed.
The present invention in a preferred example may be further configured to: annular sliders are arranged on the inner side and the outer side of the annular gasket, and the annular gasket is made of a silica gel material.
By adopting the technical scheme, the annular sliding blocks arranged on the outer side and the inner side of the annular gasket can be movably assembled with the coordination cabin, the plugging cabin, the threaded partition plate and the base plate respectively, and the two annular gaskets rotating freely are combined, so that the two current detection mechanisms can integrally rotate along the outer wall of the insulating cylinder.
The present invention in a preferred example may be further configured to: the outer side of the beam rod is provided with transverse holes distributed in an array mode, and the transverse holes in the outer side of the beam rod are matched with the guide rods at the inner ends of the screw rods.
By adopting the technical scheme, the transverse holes distributed in the array outside the second cushion block are matched with the screws, and the transverse limit between the first cushion block and the beam rod can be realized by combining the adjusting screws in the transverse holes at different positions outside the second cushion block.
The present invention in a preferred example may be further configured to: and circular ring gaskets are welded at the bottom ends of the auxiliary pull rod and the main pull rod, and the inner diameter of each circular ring gasket at the bottom end of the auxiliary pull rod is twice that of the circular ring gasket at the bottom end of the main pull rod.
By adopting the technical scheme, the annular gasket at the bottom end of the auxiliary pull rod is movably assembled outside the pressure increasing rod, and the annular gasket at the bottom end of the main pull rod is movably assembled on the I-shaped shaft rod in the expansion screw rod, so that the pressure increasing rod and the expansion screw rod are integrally limited, drawn and fixed by the pull rod and the auxiliary pull rod, and the stability of the allocation bin and the plugging bin after being integrally closed can be realized.
The present invention in a preferred example may be further configured to: the outer end of the inserted bar is composed of an L-shaped grip, a straight bar and a cylindrical end head welded at the inner end of the straight bar, and a hole matched with and constrained on a lead is formed in the straight bar.
Through adopting above-mentioned technical scheme, utilize the inside of straight-bar to set up the hole in the inserted bar, combine the inside hole of straight-bar to the spacing restraint of wire to can make current detection mechanism whole activity period, the wire can remain the safe state throughout and remove thereupon.
The present invention in a preferred example may be further configured to: the conductive piece is composed of a conductive female cylinder, a conductive sub-rod and an arc gasket welded at the outer end of the conductive sub-rod, and an insulating spring is connected inside the conductive female cylinder.
Through adopting above-mentioned technical scheme, utilize the wire inner to run through to electrically conductive female section of thick bamboo in to be connected with electrically conductive sub-pole, in case two electrically conductive sub-pole laminating are when the local and emergence current circulation of insulating cylinder, thereby can make things convenient for operating personnel to inspect the completeness of insulating cylinder.
The invention in a preferred example may be further configured to: the sliding aid piece is composed of a telescopic female rod, a telescopic sub-rod and a pressure spring, and the outer end of the telescopic sub-rod is connected with a pulley.
Through adopting above-mentioned technical scheme, utilize the inboard at insulating slider to set up two sets of helps the saddle of matrix, combine to help the supplementary pressure boost transmission of pulley to the insulating cylinder outer wall of the sub-pole outer end of flexible in the saddle to can make the gasket on the electrically conductive sub-pole in the electrically conductive piece keep safe distance with the insulating cylinder outer wall.
By adopting the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the coordination bin and the plugging bin which can form a small-range closed environment system are arranged outside the insulating cylinder, and the current detection mechanism which can detect the current locally on two sides outside the insulating cylinder is movably assembled in the inner cavities of the coordination bin and the plugging bin.
2. According to the invention, the inward-sunken ring grooves are formed in the inner walls of the coordination bin and the blocking bin, the transverse slideways distributed circumferentially are formed between two adjacent ring grooves, the transverse slideways are used for guiding the T-shaped sliding block on the outer side of the insulating sliding block, and the ring grooves are used for restricting the circumferential rotation of the insulating sliding block, so that two current detection mechanisms can be adaptive and restricted to different parts outside the insulating cylinder, and the purpose of accurately detecting the local position of the outer wall of the insulating cylinder by the device is achieved.
Drawings
FIG. 1 is a schematic diagram of one embodiment of the present invention;
FIG. 2 is a schematic bottom view of one embodiment of the present invention;
FIG. 3 is an internal schematic view of one embodiment of the present invention;
FIG. 4 is a schematic partial dispersion view of FIG. 3 in accordance with one embodiment of the present invention;
FIG. 5 is a schematic view of the internal dispersion of FIG. 3 according to one embodiment of the present invention;
FIG. 6 is a schematic diagram of the dispersion and partial cross-section of FIG. 5 according to one embodiment of the present invention;
FIG. 7 is a partial cross-sectional view of the embodiment of FIG. 5;
FIG. 8 is a schematic partial dispersion view of the embodiment of FIG. 7;
FIG. 9 is a schematic partial dispersion view of the embodiment of FIG. 8;
FIG. 10 is a schematic diagram of the internal dispersion of FIG. 8 according to one embodiment of the present invention.
Reference numerals:
100. a sealing and blocking mechanism; 110. a position matching bin; 120. blocking the bin; 130. a threaded spacer; 140. a base plate; 150. a pressure increasing rod; 160. expanding the screw rod; 170. an exhaust pipe; 180. an annular gasket; 190. a clamping assembly; 191. a clip; 192. a tension spring; 193. a slide bar;
200. a limiting mechanism; 210. a first cushion block; 220. a second cushion block; 230. a beam; 240. a screw;
300. a traction mechanism; 310. a transverse cylinder; 320. a spring; 330. a main pull rod; 340. an auxiliary pull rod;
400. a current detection mechanism; 410. a positioning cylinder; 420. inserting a rod; 430. a wire; 440. a conductive member; 450. an insulating slider; 460. a sliding aid.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
An insulation tube inspection tester according to some embodiments of the present invention will be described with reference to the accompanying drawings.
The first embodiment is as follows:
referring to fig. 1 to 10, the testing machine for inspecting an insulation tube provided by the present invention includes a sealing and blocking mechanism 100, a limiting mechanism 200, a drawing mechanism 300, and a current detection mechanism 400, wherein the limiting mechanism 200 is installed on the sealing and blocking mechanism 100, the drawing mechanism 300 is installed on the sealing and blocking mechanism 100, and the current detection mechanism 400 is installed in the sealing and blocking mechanism 100.
The sealing and blocking mechanism 100 comprises a matching bin 110, a blocking bin 120, a threaded partition 130, a backing plate 140, a pressure increasing rod 150, an expansion screw 160, an exhaust pipe 170, an annular gasket 180 and a clamping assembly 190, the clamping assembly 190 further comprises a clamping piece 191, a tension spring 192 and a sliding rod 193, the limiting mechanism 200 comprises a first cushion block 210, a second cushion block 220, a beam rod 230 and a screw 240, the traction mechanism 300 comprises a transverse cylinder 310, a spring 320, a main pull rod 330 and an auxiliary pull rod 340, and the current detection mechanism 400 comprises a positioning cylinder 410, an insertion rod 420, a lead 430, a conductive piece 440, an insulating slider 450 and a slip aid 460.
Specifically, the blocking bin 120 is movably connected to the outer end of the positioning bin 110, the exhaust pipe 170 is installed at the bottom of the positioning bin 110, two annular gaskets 180 are respectively movably installed in the positioning bin 110 and the blocking bin 120, the backing plate 140 is located in the positioning bin 110, the expansion screw 160 is connected to the middle of the inner side of the backing plate 140, the threaded partition plate 130 is located in the blocking bin 120, the pressure increasing rod 150 is movably installed at the middle of the inner side of the threaded partition plate 130, the clamping assembly 190 is connected to the inner end of the expansion screw 160, the four clamping pieces 191 are distributed at the inner end of the expansion screw 160, the tension spring 192 is connected to the inside of the clamping pieces 191, the sliding rod 193 penetrates into the inside of the clamping pieces 191, the first cushion block 210 is installed outside the positioning bin 110, and the second cushion 220 is installed outside the blocking bin 120, the beam rod 230 is movably arranged in the first cushion block 210 and the second cushion block 220, the screw rod 240 penetrates into the second cushion block 220, the auxiliary pull rod 340 is connected to the outside of the pressure increasing rod 150, the transverse cylinder 310 is movably arranged outside the auxiliary pull rod 340, the main pull rod 330 penetrates to the other end of the transverse cylinder 310, the spring 320 is located in the middle of an inner cavity of the transverse cylinder 310, the insulating slide block 450 is movably arranged in the distribution bin 110 or the blocking bin 120, the two groups of sliding assistant pieces 460 are arranged on the inner side of the insulating slide block 450, the conductive piece 440 is arranged in the middle of the inner side of the insulating slide block 450, the insertion rod 420 is connected in a transverse pipe on the inner side of the insulating slide block 450, the lead wire 430 penetrates into a hole in the insertion rod 420, the positioning cylinder 410 is arranged on the outer side of the annular gasket 180, and the T-shaped slide block is arranged outside the insulating slide block 450.
Inwards recessed ring grooves are formed in the inner walls of the coordination bin 110 and the blocking bin 120, meanwhile, transverse sliding ways distributed circumferentially are formed between every two adjacent ring grooves, the transverse sliding ways are combined for guiding T-shaped sliding blocks on the outer sides of the insulating sliding blocks 450, and the ring grooves are used for restricting circumferential rotation of the insulating sliding blocks 450, a current detection mechanism 400 capable of locally detecting the outer two sides of the insulating cylinder is movably assembled in inner cavities of the coordination bin 110 and the blocking bin 120, when the two insulating sliding blocks 450 are controlled to be symmetrically distributed along the outer two sides of the insulating cylinder, an operator can enable the two conducting wires 430 to be communicated with a power supply and guided by the two conducting wires 430 to the power supply, at the moment, the conducting pieces 440 can be electrified in real time, and the arc-shaped gaskets at the inner ends of the conducting pieces 440 are combined to be in contact with the outer wall of the insulating cylinder, so that accurate current detection can be conveniently carried out on the local part of the insulating cylinder by the device.
The second embodiment:
referring to fig. 7 and 9, on the basis of the first embodiment, a plurality of annular grooves are formed in the inner walls of the coordination bin 110 and the plugging bin 120, a plurality of slide ways are further formed in the inner walls of the coordination bin 110 and the plugging bin 120, a cylindrical threaded pipe is formed in the threaded partition 130, the cylindrical threaded pipe in the threaded partition 130 is engaged with a screw rod in the pressure boosting rod 150 in a matching manner, the expansion screw rod 160 is formed by welding an i-shaped shaft rod and a frustum-shaped screw rod, annular cushion blocks penetrating through grooves in the four clamping pieces 191 are formed in the inner end of the frustum-shaped screw rod, annular sliding blocks are formed in the inner side and the outer side of the annular gasket 180, and the annular gasket 180 is made of a silica gel material.
The circumference and the transverse limit guidance of the insulation sliding blocks 450 are combined with the sliding grooves distributed circumferentially, so that the two insulation sliding blocks 450 can be positioned and adapted to the outer part of the insulation cylinder, when the pressure increasing rod 150 rotates clockwise and drives the inner end of the pressure increasing rod to be pressed on the smaller end of the insulation cylinder, and then the insulation cylinder is in a suspended state by combining the expansion of the four clamping pieces 191, so that the two insulation sliding blocks 450 can move freely, a truncated cone-shaped screw rod is welded at the inner end of the I-shaped shaft rod of the expansion screw rod 160, the annular sliding blocks are arranged on the outer side and the inner side of the annular gasket 180 and can be movably assembled with the coordination bin 110, the plugging bin 120, the threaded partition plate 130 and the base plate 140 respectively in combination with the annular gasket 180 rotating freely, the rotation of the whole two current detection mechanisms 400 along the outer wall of the insulation cylinder can be realized, and the larger end of the insulation cylinder can be conveniently fixed tightly.
Example three:
referring to fig. 5 and 6, on the basis of the first embodiment, the outer side of the second cushion block 220 is provided with the transverse holes distributed in an array, and the transverse holes on the outer side of the second cushion block 220 are adapted to the guide rods at the inner ends of the screws 240.
By utilizing the matching of the cross holes distributed in the array outside the second cushion block 220 to the screw 240 and combining with the adjusting screw 240 in the cross holes at different positions outside the second cushion block 220, the beam rod 230 can realize the transverse limit between the first cushion block 210 and the second cushion block 220.
Example four:
referring to fig. 4, on the basis of the first embodiment, circular ring-shaped washers are welded to the bottom ends of the auxiliary pull rod 340 and the main pull rod 330, and the inner diameter of the circular ring-shaped washer at the bottom end of the auxiliary pull rod 340 is twice as large as the inner diameter of the circular ring-shaped washer at the bottom end of the main pull rod 330.
The annular gasket at the bottom end of the auxiliary pull rod 340 is movably assembled outside the pressure increasing rod 150, and the annular gasket at the bottom end of the main pull rod 330 is movably assembled on the I-shaped shaft rod in the expansion screw 160, so that the pressure increasing rod 150 and the expansion screw 160 are integrally limited, drawn and fixed by the pull rod 330 and the auxiliary pull rod 340, and the stability of the allocation bin 110 and the plugging bin 120 after being integrally closed can be realized.
Example five:
referring to fig. 10, on the basis of the first embodiment, the outer end of the insertion rod 420 is composed of an L-shaped handle, a straight rod and a cylindrical end welded to the inner end of the straight rod, a hole adapted to be constrained to the wire 430 is formed in the straight rod, the conductive member 440 is composed of a conductive female cylinder, a conductive sub-rod and an arc-shaped gasket welded to the outer end of the conductive sub-rod, an insulating spring is connected to the interior of the conductive female cylinder, the sliding aid 460 is composed of a telescopic female rod, a telescopic sub-rod and a pressure spring, and the outer end of the telescopic sub-rod is connected with a pulley.
The limiting constraint of the inner hole of the straight rod on the wire 430 is combined, so that during the whole movement of the current detection mechanism 400, the wire 430 can always keep a safe state and move along with the wire, and is connected with the conductive sub-rods, once the two conductive sub-rods are attached to the local part of the insulating cylinder and current flows, the auxiliary pressurizing transmission of pulleys at the outer ends of the telescopic sub-rods in the sliding assistant piece 460 on the outer wall of the insulating cylinder is combined, so that the safe distance between the gaskets on the conductive sub-rods in the conductive piece 440 and the outer wall of the insulating cylinder can be kept, and the integrity of the insulating cylinder can be conveniently checked by an operator.
The working principle and the using process of the invention are as follows: an operator needs to adjust the expansion screw 160 in advance to rotate counterclockwise, so that the inner end of the expansion screw 160 extends outwards along the grooves inside the four clamping pieces 191 until the four clamping pieces 191 realize circumferential contraction under the action of the groups of tension springs 192 and sliding rods 193, then the whole coordination bin 110 and the whole plugging bin 120 which are assembled are sleeved transversely along the two ends of the insulating cylinder, at this time, transverse butt joint is formed between the first cushion blocks 210 and the second cushion blocks 220 which are installed outside the coordination bin 110 and the plugging bin 120, a closed form can be formed between the coordination bin 110 and the plugging bin 120 in a butt joint state by utilizing the limiting and restricting action of the beam rod 230 and the transverse insertion and fixation of the screw 240, then air inside the coordination bin 110 and the plugging bin 120 is discharged outwards by utilizing the exhaust pipe 170, and during this time, the plugging bin 120 needs to be ensured to be adapted along the larger end of the insulating cylinder, at this time, it is necessary to ensure that the protrusions at the inner ends of the four clamping pieces 191 are attached and pressed on the middle part of the larger end of the insulating cylinder, and at the same time, the inner ends of the pressure-increasing rods 150 are attached and pressed on the smaller end of the insulating cylinder, then the operator needs to control and rotate the expanding screw 160 in the same time, and by using the threaded connection between the threaded end of the expanding screw 160 and the inner side grooves of the four clamping pieces 191, the four clamping pieces 191 and the inner ends thereof drawn by the tension spring 192 and the slide rod 193 will expand and clamp the larger end of the insulating cylinder, and adjust the pressure-increasing rods 150 to rotate clockwise, so that the inner ends of the pressure-increasing rods 150 will transversely press the other end of the insulating cylinder, and then the operator needs to manually control the current detection mechanism 400 installed in the two annular gaskets 180 to transversely move integrally, and when the two insertion rods 420 extend along the closed cavity formed by the positioning bin 110 and the blocking bin 120, when the two insulating sliding blocks 450 are symmetrical along the two sides of the outside of the insulating cylinder, at this time, an operator needs to connect the conducting wire 430 with the power supply, and when the two insertion rods 420 have a current flowing phenomenon, the problem that the insulating cylinder has local electric leakage can be determined.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A testing machine for insulation cylinder inspection is characterized by comprising a sealing and blocking mechanism (100), a limiting mechanism (200), a traction mechanism (300) and a current detection mechanism (400);
the sealing and blocking mechanism (100) comprises a transverse coordination bin (110), a blocking bin (120) movably connected to the outer end of the coordination bin (110), an exhaust pipe (170) arranged at the bottom of the coordination bin (110), an annular gasket (180) movably arranged in the coordination bin (110) and the blocking bin (120), a base plate (140) arranged in the coordination bin (110), an expansion screw (160) connected to the middle of the inner side of the base plate (140), a threaded partition plate (130) arranged in the blocking bin (120), a pressure increasing rod (150) movably arranged in the middle of the inner side of the threaded partition plate (130) and a clamping assembly (190) connected to the inner end of the expansion screw (160);
the clamping assembly (190) comprises four clamping pieces (191) distributed at the inner end of the expansion screw (160), a tension spring (192) connected inside the clamping pieces (191) and a sliding rod (193) penetrating into the clamping pieces (191);
the limiting mechanism (200) is arranged on the sealing and blocking mechanism (100) and comprises a first cushion block (210) arranged outside the allocation bin (110), a second cushion block (220) arranged outside the blocking bin (120), a beam rod (230) movably arranged in the first cushion block (210) and the second cushion block (220) and a screw rod (240) penetrating into the second cushion block (220);
the traction mechanism (300) is arranged on the sealing and blocking mechanism (100) and comprises an auxiliary pull rod (340) connected to the outside of the pressure increasing rod (150), a transverse cylinder (310) movably arranged outside the auxiliary pull rod (340), a main pull rod (330) penetrating to the other end of the transverse cylinder (310) and a spring (320) positioned in the middle of an inner cavity of the transverse cylinder (310);
the current detection mechanism (400) is connected in the sealing and blocking mechanism (100) and comprises an insulating slide block (450) movably arranged in the distribution bin (110) or the blocking bin (120), two groups of slide-assisting pieces (460) arranged on the inner side of the insulating slide block (450), a conductive piece (440) arranged in the middle of the inner side of the insulating slide block (450), an inserted rod (420) connected in a transverse pipe on the inner side of the insulating slide block (450), a lead (430) penetrating into a hole in the inserted rod (420) and a positioning barrel (410) arranged on the outer side of the annular gasket (180), wherein a T-shaped slide block is arranged outside the insulating slide block (450).
2. The testing machine for the insulation cylinder inspection according to claim 1, wherein the inner walls of the coordination bin (110) and the blocking bin (120) are respectively provided with a plurality of ring grooves, and the inner walls of the coordination bin (110) and the blocking bin (120) are further provided with a plurality of slide ways which are circumferentially distributed.
3. The insulation cylinder testing machine as claimed in claim 1, wherein the threaded partition plate (130) is internally provided with a cylindrical threaded pipe, and the cylindrical threaded pipe inside the threaded partition plate (130) is adapted to engage with a screw rod in the pressure increasing rod (150).
4. The testing machine for testing the insulation cylinder according to claim 1, wherein the expansion screw (160) is formed by welding an I-shaped shaft rod and a truncated cone-shaped screw, and an annular cushion block penetrating into grooves in the four clamping pieces (191) is arranged at the inner end of the truncated cone-shaped screw.
5. The insulation cylinder testing machine as claimed in claim 1, wherein the annular gasket (180) is provided with annular sliding blocks on the inner side and the outer side, and the annular gasket (180) is made of silicone material.
6. The testing machine for the insulation cylinder inspection according to claim 1, wherein the outer side of the second cushion block (220) is provided with transverse holes distributed in an array manner, and the transverse holes on the outer side of the second cushion block (220) are adapted to the guide rods at the inner ends of the screw rods (240).
7. The insulation cylinder testing machine as claimed in claim 1, wherein circular washers are welded to the bottom ends of the secondary pull rod (340) and the main pull rod (330), and the inner diameter of the circular washer at the bottom end of the secondary pull rod (340) is twice the inner diameter of the circular washer at the bottom end of the main pull rod (330).
8. The testing machine for inspecting the insulation cylinder as claimed in claim 1, wherein the outer end of the insertion rod (420) is composed of an L-shaped handle, a straight rod and a cylindrical end welded to the inner end of the straight rod, and the straight rod is provided with a hole inside for being matched and constrained with the lead (430).
9. The insulation cylinder testing machine of claim 1, wherein the conductive member (440) comprises a conductive female cylinder, a conductive male rod, and an arc-shaped gasket welded to an outer end of the conductive male rod, and the insulating spring is connected to the conductive female cylinder.
10. The insulation tube testing machine as claimed in claim 1, wherein the sliding aid (460) is composed of a telescopic female rod, a telescopic sub-rod and a compression spring, and the outer end of the telescopic sub-rod is connected with a pulley.
CN202211076911.3A 2022-09-05 2022-09-05 Test machine for insulation cylinder inspection Active CN115144435B (en)

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Application Number Priority Date Filing Date Title
CN202211076911.3A CN115144435B (en) 2022-09-05 2022-09-05 Test machine for insulation cylinder inspection

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Application Number Priority Date Filing Date Title
CN202211076911.3A CN115144435B (en) 2022-09-05 2022-09-05 Test machine for insulation cylinder inspection

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CN115144435A true CN115144435A (en) 2022-10-04
CN115144435B CN115144435B (en) 2022-11-08

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Cited By (3)

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CN115902558A (en) * 2023-02-15 2023-04-04 江苏盛德电子仪表有限公司 Withstand voltage testing device for electric energy meter
CN116929658A (en) * 2023-07-26 2023-10-24 国网安徽省电力有限公司郎溪县供电公司 Detection device and detection method for distribution transformer
CN116929658B (en) * 2023-07-26 2024-05-07 国网安徽省电力有限公司郎溪县供电公司 Detection device and detection method for distribution transformer

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CN115902558A (en) * 2023-02-15 2023-04-04 江苏盛德电子仪表有限公司 Withstand voltage testing device for electric energy meter
CN116929658A (en) * 2023-07-26 2023-10-24 国网安徽省电力有限公司郎溪县供电公司 Detection device and detection method for distribution transformer
CN116929658B (en) * 2023-07-26 2024-05-07 国网安徽省电力有限公司郎溪县供电公司 Detection device and detection method for distribution transformer

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