CN113791270A - Intelligent electroscope for switching operation of +/-500 kV converter substation - Google Patents

Intelligent electroscope for switching operation of +/-500 kV converter substation Download PDF

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Publication number
CN113791270A
CN113791270A CN202111025852.2A CN202111025852A CN113791270A CN 113791270 A CN113791270 A CN 113791270A CN 202111025852 A CN202111025852 A CN 202111025852A CN 113791270 A CN113791270 A CN 113791270A
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CN
China
Prior art keywords
telescopic
cylinder
telescopic cylinder
holding
electroscope
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111025852.2A
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Chinese (zh)
Inventor
刘虎
罗哲
宁波
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Dc Transportation Inspection Co Of State Grid Hubei Electric Power Co ltd
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Dc Transportation Inspection Co Of State Grid Hubei Electric Power Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Dc Transportation Inspection Co Of State Grid Hubei Electric Power Co ltd filed Critical Dc Transportation Inspection Co Of State Grid Hubei Electric Power Co ltd
Priority to CN202111025852.2A priority Critical patent/CN113791270A/en
Publication of CN113791270A publication Critical patent/CN113791270A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R19/00Arrangements for measuring currents or voltages or for indicating presence or sign thereof
    • G01R19/145Indicating the presence of current or voltage
    • G01R19/155Indicating the presence of voltage
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The invention discloses an intelligent electroscope for switching operation of a +/-500 kV converter substation, which comprises an insulating telescopic rod and an electroscope, wherein the insulating telescopic rod comprises a holding cylinder, a first telescopic cylinder, a second telescopic cylinder, a third telescopic cylinder and a telescopic shaft, the holding cylinder is provided with a protection table and a supporting component, the telescopic shaft is provided with a mounting groove and a threaded cylinder, and the electroscope is fixed in the mounting groove; after the insulating telescopic link compresses the internal spring to shrink, the thread cylinder is positioned at the top of the holding cylinder, and the thread cylinder is rotated to be fixed with the holding cylinder in a screwing mode, so that the whole insulating telescopic link is in a stable shrinking state and is convenient to carry and move. The method is suitable for the converter transformer substation.

Description

Intelligent electroscope for switching operation of +/-500 kV converter substation
Technical Field
The invention relates to the technical field of maintenance of power transmission and transformation power equipment, in particular to an intelligent electroscope for switching operation of a +/-500 kV converter transformer substation.
Background
With the rapid development of economy in China, a large number of high-voltage power transmission and transformation projects are put into operation. When an operator in the converter transformer substation conducts electricity testing operation, whether equipment is electrified or not can be judged only according to sound and light warning of an electroscope, when small induced voltage or residual load exists on the equipment, the electroscope cannot conduct effective prompt, corresponding voltage values are displayed, instruments are needed to conduct measurement, working efficiency is affected, and certain safety risks exist; in addition, when using electroscope, operating personnel can only hold the insulator spindle bottommost end, and can not exceed the retaining ring of insulator spindle bottom, when the flexible length of insulator spindle is great, the circumstances such as unstable can appear gripping, influence electroscope test operation etc..
Based on the technical scheme, the invention designs the intelligent electroscope for switching operation of the +/-500 kV converter substation, so as to solve the problems.
Disclosure of Invention
The invention aims to provide an intelligent electroscope for switching operation of a +/-500 kV converter substation, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an intelligent electroscope for switching operation of a +/-500 kV converter substation comprises an insulating telescopic rod and an electroscope fixed at the top end of the insulating telescopic rod, wherein the insulating telescopic rod comprises a holding cylinder, an annular protection table is fixed at the upper part of the outer side wall of the holding cylinder, an extending plate extending outwards is fixed on one side of the protection table, a supporting component is arranged on the extending plate, a first telescopic cylinder, a second telescopic cylinder and a third telescopic cylinder are sequentially arranged above the holding cylinder from bottom to top, the diameters of the three telescopic cylinders are sequentially reduced from bottom to top, the bottom ends of the three telescopic cylinders are all set to be closed ends, the three telescopic cylinders are slidably connected into the adjacent telescopic cylinders below, and the three telescopic cylinders are connected with the bottom surface of an inner cavity of the lower telescopic cylinder through springs;
the bottom of first telescopic cylinder is passed through spring coupling and is held in a section of thick bamboo, has the telescopic shaft through spring coupling in the inner chamber of third telescopic cylinder, and the top of telescopic shaft stretches out to be fixed with the mounting groove, and test the electric instrument and install in the mounting groove, the top of telescopic shaft still rotates and is connected with a section of thick bamboo that rotates, and the bottom mounting who rotates a section of thick bamboo has a screw thread section of thick bamboo, and the lateral wall upper portion of holding a section of thick bamboo is equipped with the screw thread, and corresponds through screw thread and screw thread section of thick bamboo and be connected.
Preferably, the supporting component includes the holding rod of vertical sliding connection on the extension board, the connecting plate is passed to the bottom of holding rod, and be fixed with the spacing piece, the top is fixed with the horizontally connecting plate, and the medial extremity of connecting plate is fixed with the go-between, evenly be fixed with a plurality of vertical elastic blocks along the circumferencial direction on the inside wall of go-between, the upper portion lateral wall contact of elastic block and the flexible section of thick bamboo of second, the position that the lateral wall upper portion of holding a section of thick bamboo corresponds the elastic block is equipped with a plurality of vertical spouts, the bottom of elastic block is established to the inclined plane, and the top correspondence of spout is equipped with the spigot surface of slope.
Preferably, the outer side wall of the holding cylinder is provided with a first anti-slip sleeve, the side wall of the middle section of the holding rod is provided with a groove in a surrounding manner, and the groove is internally provided with a second anti-slip sleeve.
Preferably, test the electric instrument including being fixed in the tester of testing electric instrument casing inner chamber, the top of tester is fixed with the test contact, and the test contact is located the casing outside, and the tester is connected with AD converting circuit, and AD converting circuit is connected with CPU board and rechargeable battery, tests one side upper portion of electric instrument and is equipped with the LED screen, and the lower part is equipped with loudspeaker, and LED screen and loudspeaker all are connected with the CPU board.
Preferably, the side wall of the mounting groove is uniformly provided with a plurality of rows of sound outlet holes along the circumferential direction of the center of the side wall corresponding to the position of the horn of the electricity testing instrument.
Preferably, the bottoms of the first telescopic cylinder, the second telescopic cylinder and the third telescopic cylinder are respectively provided with a positioning component, the upper parts of the side walls of the holding cylinder, the first telescopic cylinder and the second telescopic cylinder are respectively provided with a positioning hole correspondingly connected with the positioning component, the positioning component comprises a slot positioned at the center of the bottom of the inner cavity of the holding cylinder or the telescopic cylinders, the bottom ends of the slots are sealed, the upper parts of the two side walls of the slots are symmetrically provided with extension openings, positioning blocks are connected in the extension openings in a sliding manner, the bottom of the inner side end of each positioning block is fixedly provided with a spring plate, a spring is connected between the spring plate and the side wall of the lower part of the slot, the top of the inner side end of each positioning block is provided with an inclined plane, an iron block is fixed on each inclined plane, the outer side end of the positioning block of the upper telescopic cylinder is positioned in the positioning block of the lower adjacent telescopic cylinder or the holding cylinder, the bottom ends of the second telescopic cylinder, the third telescopic cylinder and the telescopic shaft are respectively fixedly provided with an insertion block, and the insertion blocks are connected with the slots in a sliding manner, inclined planes are symmetrically arranged on two sides of the bottom, and a magnet plate is fixed on each inclined plane.
Compared with the prior art, the invention has the beneficial effects that: the annular plate and the elastic block provide a certain supporting effect for the second telescopic cylinder, and the holding rod is positioned on one side above the holding cylinder, so that a user can conveniently and stably hold and test the insulating telescopic rod and the electricity testing instrument through the holding cylinder and the holding rod; when the insulating telescopic rod compresses the internal spring to shrink, the thread cylinder is positioned at the top of the holding cylinder, and the thread cylinder is screwed and fixed with the holding cylinder by rotating the thread cylinder, so that the whole insulating telescopic rod is in a stable shrinking state and is convenient to carry and move; test the electricity through the test contact to show current voltage through the LED screen display, carry out voice broadcast through loudspeaker, be used for the on-the-spot personnel to accurately master the equipment electrified condition.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the grip barrel of the present invention;
FIG. 3 is a schematic view of the attachment ring of the present invention;
FIG. 4 is a schematic top end view of the telescopic shaft of the present invention;
FIG. 5 is a schematic diagram of the electrical testing apparatus of the present invention;
FIG. 6 is a schematic view of the invention in a contracted state;
FIG. 7 is a schematic structural diagram of a positioning assembly according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-holding cylinder, 101-protection table, 102-extension plate, 103-sliding chute, 2-first telescopic cylinder, 3-second telescopic cylinder, 4-third telescopic cylinder, 5-telescopic shaft, 501-threaded cylinder, 502-rotary cylinder, 503-mounting groove, 6-electroscope, 601-test contact, 602-tester, 603-A/D conversion circuit, 604-CPU board, 605-loudspeaker, 606-LED screen, 7-holding rod, 701-limiting block, 702-connecting plate, 703-connecting ring, 704-elastic block, 8-plug block, 801-magnet plate, 802-locating block, 803-spring plate and 804-iron block.
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 embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example one
Referring to the drawings, the present invention provides a technical solution: an intelligent electroscope for switching operation of a +/-500 kV converter substation comprises an insulating telescopic rod and an electroscope 504 fixed at the top end of the insulating telescopic rod, wherein the insulating telescopic rod comprises a holding cylinder 1, an annular protection table 101 is fixed on the upper portion of the outer side wall of the holding cylinder 1, an extension plate 102 extending outwards is fixed on one side of the protection table 101, a supporting component is arranged on the extension plate 102, a first telescopic cylinder 2, a second telescopic cylinder 3 and a third telescopic cylinder 4 are sequentially arranged above the holding cylinder 1 from bottom to top, the diameters of the three telescopic cylinders are sequentially reduced from bottom to top, the bottom ends of the three telescopic cylinders are all set to be closed ends, the three telescopic cylinders are connected into the adjacent telescopic cylinder below in a sliding mode and are connected with the bottom surface of an inner cavity of the telescopic cylinder below through springs;
the bottom of first telescopic cylinder 2 is passed through spring coupling in holding a section of thick bamboo 1, there is telescopic shaft 5 through spring coupling in the inner chamber of third telescopic cylinder 4, the top of telescopic shaft 5 stretches out, and be fixed with mounting groove 503, and test electric instrument 504 installs in mounting groove 503, the top of mounting groove 503 can set up visor isotructure, so that test contact 601 isotructure for testing electric instrument 504 provides the protection, telescopic shaft 5's top still rotates and is connected with and rotates a section of thick bamboo 502, the bottom mounting that rotates a section of thick bamboo 502 has a screw section of thick bamboo 501, the lateral wall upper portion of holding a section of thick bamboo 1 is equipped with the screw thread, and correspond with a screw section of thick bamboo 501 through the screw thread and be connected, after the inside spring shrink of insulating telescopic link compression, a screw section of thick bamboo 501 is located the top of holding a section of thick bamboo 1, through rotating a screw section of thick bamboo 501, make it with hold a section of thick bamboo 1 to twist fixedly, and then make whole insulating telescopic link be in stable contraction state, and convenient to carry and remove.
The supporting component comprises a holding rod 7 vertically and slidably connected to the extending plate 102, the bottom end of the holding rod 7 penetrates through a connecting plate 702 and is fixed with a limiting block 701, the top end of the holding rod 7 is fixed with a horizontal connecting plate 702, the inner side end of the connecting plate 702 is fixed with a connecting ring 703, a plurality of vertical elastic blocks 704 are uniformly fixed on the inner side wall of the connecting ring 703 along the circumferential direction, the elastic blocks 704 are in contact with the outer side wall of the upper part of the second telescopic cylinder 3 so as to provide a certain supporting effect for the second telescopic cylinder 3 through the elastic blocks 704, the holding rod 7 is positioned on one side above the holding cylinder 1 through the connection between the second telescopic cylinder 3 and the extending plate 102, a user can stably hold and test the insulating telescopic rod and the electricity testing instrument 504 through the holding cylinder 1 and the holding rod 7, a plurality of vertical sliding grooves 103 are arranged on the upper part of the outer side wall of the holding cylinder 1 corresponding to the elastic blocks, the bottom end of the elastic blocks 704 is arranged as an inclined plane, and the top end of the sliding slot 103 is correspondingly provided with an inclined guide surface, when the connecting ring 703 moves downwards, the top end of the spring block extends into the sliding slot 103 and contacts with the guide surface through the inclined surface, so that the elastic block 704 smoothly enters the corresponding sliding slot 103, and then the elastic block 704 is extruded to be accommodated in the sliding slot 103 when moving downwards subsequently.
The lateral wall of holding a section of thick bamboo 1 is equipped with first antiskid cover, and the middle section lateral wall of holding rod 7 is around being equipped with the recess, and is equipped with the antiskid cover of second in the recess, makes the lateral wall of the antiskid cover of second can not exceed the lateral wall of the both sides section of holding rod 7 to make behind the antiskid cover of installation second holding rod 7 still can slide for extending board 102, and provide anti-skidding effect through setting up first antiskid cover and the antiskid cover of second, improve user's the stability of gripping.
Electroscope 504 is including being fixed in tester 602 of electroscope 504 casing inner chamber, the top of tester 602 is fixed with test contact 601, and test contact 601 is located the casing outside, tester 602 is connected with AD converting circuit 603, AD converting circuit 603 is connected with CPU board 604 and rechargeable battery, be used for providing the power, one side upper portion of electroscope 504 is equipped with LED screen 606, the lower part is equipped with loudspeaker 605, and LED screen 606 and loudspeaker 605 all are connected with CPU board 604, LED screen 606 will show current voltage, and carry out voice broadcast through loudspeaker 605, be used for the on-the-spot personnel to accurately master the equipment electrified condition.
The position of the horn 605 corresponding to the electroscope 504 on the side wall of the mounting groove 503 is uniformly provided with a plurality of rows of sound outlet holes along the circumferential direction of the center of the side wall, and the sound outlet holes on the mounting groove 503 enable the mounting groove 503 not to influence the sound output of the horn 605 when the mounting groove 503 provides support, protection and other effects for the electroscope.
Example two
The structure of the embodiment is basically the same as that of the first embodiment, except that the bottom of the first telescopic cylinder 2, the second telescopic cylinder 3 and the third telescopic cylinder 4 are all provided with positioning components, the upper parts of the side walls of the holding cylinder 1, the first telescopic cylinder 2 and the second telescopic cylinder 3 are all provided with positioning holes correspondingly connected with the positioning components, the positioning components comprise slots positioned at the center of the bottom of the inner cavity of the holding cylinder 1 or the telescopic cylinders, the bottom ends of the slots are closed, the upper parts of the two side walls of the slots are symmetrically provided with extension ports, positioning blocks 802 are slidably connected in the extension ports, the bottom of the inner side end of each positioning block 802 is fixed with a spring plate 803, a spring is connected between the spring plate 803 and the side wall of the lower part of the slot, the top of the inner side end of each positioning block 802 is provided with an inclined plane, an iron block 804 is fixed on the inclined plane, and the outer side end of the positioning block 802 of the upper telescopic cylinder is positioned in the positioning block 802 of the lower adjacent telescopic cylinder or the positioning block 802 of the holding cylinder 1, the bottom ends of the second telescopic cylinder 3, the third telescopic cylinder 4 and the telescopic shaft 5 are all fixed with an insertion block 8, the insertion block 8 is connected with the insertion groove in a sliding mode, inclined planes are symmetrically arranged on two sides of the bottom of the insertion block 8, and a magnet plate 801 is fixed on each inclined plane.
When the insulating telescopic rod extends outwards, each positioning block 802 gradually moves to the corresponding positioning groove and extends outwards to enter the positioning groove under the action of a spring, the positions between the holding cylinder 1 and the telescopic cylinder, and between the telescopic cylinder and the telescopic cylinder are limited through the positioning blocks 802 and the positioning grooves, the stability of the insulating telescopic rod is improved, and the telescopic shaft 5 extends outwards under the action of the spring and is not positioned, so that the test contact 601 can be kept in contact with test equipment under the action of the spring during electricity testing measurement;
when the test is finished, the telescopic shaft 5 is moved towards the holding cylinder 1, the spring in the third telescopic rod is compressed, the inserting block 8 at the bottom of the telescopic shaft 5 goes deep into the slot and is close to the positioning block 802, then the iron blocks 804 at two sides drive the positioning block 802 and the spring plate 803 to stretch the spring to move inwards under the adsorption action of the magnet plate 801, so that the spring is separated from the positioning block 802 and the positioning groove, the third telescopic cylinder 4 can move downwards, and the positioning of the second telescopic cylinder 3 and the first telescopic cylinder 2 is cancelled in sequence in the same way, so that the insulating telescopic rod can be contracted.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (6)

1. The utility model provides an intelligence electroscope that is used for switching operation of 500kV current conversion transformer substation, includes insulating telescopic link and is fixed in electroscope (504) on insulating telescopic link top, its characterized in that: the insulating telescopic rod comprises a holding cylinder (1), an annular protection table (101) is fixed on the upper portion of the outer side wall of the holding cylinder (1), an extending plate (102) extending outwards is fixed on one side of the protection table (101), a supporting component is arranged on the extending plate (102), a first telescopic cylinder (2), a second telescopic cylinder (3) and a third telescopic cylinder (4) are sequentially arranged above the holding cylinder (1) from bottom to top, the diameters of the three telescopic cylinders are sequentially reduced from bottom to top, the bottom ends of the three telescopic cylinders are all set to be closed ends, the three telescopic cylinders are slidably connected into the adjacent telescopic cylinders below, and the three telescopic cylinders are connected with the bottom surface of an inner cavity of the lower telescopic cylinder through springs;
the bottom of first telescopic cylinder (2) is passed through spring coupling and is held in a section of thick bamboo (1), has telescopic shaft (5) through spring coupling in the inner chamber of third telescopic cylinder (4), and the top of telescopic shaft (5) is stretched out to be fixed with mounting groove (503), and test electric instrument (504) and install in mounting groove (503), the top of telescopic shaft (5) still rotates and is connected with a rotation section of thick bamboo (502), and the bottom mounting who rotates a section of thick bamboo (502) has a screw thread section of thick bamboo (501), the lateral wall upper portion of holding a section of thick bamboo (1) is equipped with the screw thread to correspond through screw thread and a screw thread section of thick bamboo (501) and be connected.
2. The intelligent electroscope for switching operation of the +/-500 kV converter substation according to claim 1, characterized in that: the supporting component comprises a holding rod (7) which is vertically connected to the extending plate (102) in a sliding mode, the bottom end of the holding rod (7) penetrates through the connecting plate (702) and is fixedly provided with a limiting block (701), the top end of the holding rod is fixedly provided with the horizontal connecting plate (702), the inner side end of the connecting plate (702) is fixedly provided with the connecting ring (703), a plurality of vertical elastic blocks (704) are uniformly fixed on the inner side wall of the connecting ring (703) along the circumferential direction, the elastic blocks (704) are in contact with the outer side wall of the upper portion of the second telescopic cylinder (3), the position, corresponding to the elastic blocks (704), of the upper portion of the outer side wall of the holding cylinder (1) is provided with a plurality of vertical sliding grooves (103), the bottom end of each elastic block (704) is arranged to be an inclined plane, and the top end of each sliding groove (103) is correspondingly provided with an inclined guide surface.
3. The intelligent electroscope for switching operation of the +/-500 kV converter substation according to claim 2, wherein the intelligent electroscope comprises: the outer side wall of the holding cylinder (1) is provided with a first anti-slip sleeve, the side wall of the middle section of the holding rod (7) is provided with a groove in a surrounding manner, and a second anti-slip sleeve is arranged in the groove.
4. The intelligent electroscope for switching operation of the +/-500 kV converter substation according to claim 1, characterized in that: the electricity testing instrument (504) comprises a tester (602) fixed in an inner cavity of a shell of the electricity testing instrument (504), a testing contact (601) is fixed at the top end of the tester (602), the testing contact (601) is located outside the shell, the tester (602) is connected with an A/D conversion circuit (603), the A/D conversion circuit (603) is connected with a CPU board (604) and a rechargeable battery, an LED screen (606) is arranged on the upper portion of one side of the electricity testing instrument (504), a loudspeaker (605) is arranged on the lower portion of the electricity testing instrument, and the LED screen (606) and the loudspeaker (605) are both connected with the CPU board (604).
5. The intelligent electroscope for switching operation of the +/-500 kV converter substation according to claim 5, wherein the intelligent electroscope comprises: and a plurality of sound outlet holes are uniformly formed in the side wall of the mounting groove (503) along the circumferential direction of the center of the side wall corresponding to the position of the horn (605) of the electroscope (504).
6. The intelligent electroscope for switching operation of the +/-500 kV converter substation according to claim 1, characterized in that: the bottom of each of the first telescopic cylinder (2), the second telescopic cylinder (3) and the third telescopic cylinder (4) is provided with a positioning assembly, the upper parts of the side walls of the holding cylinder (1), the first telescopic cylinder (2) and the second telescopic cylinder (3) are provided with positioning holes correspondingly connected with the positioning assemblies, each positioning assembly comprises a slot positioned at the center of the bottom of the inner cavity of the holding cylinder (1) or the telescopic cylinders, the bottom end of the slot is closed, the upper parts of the two side walls of the slot are symmetrically provided with extension openings, the extension openings are connected with positioning blocks (802) in a sliding manner, the bottom of the inner side end of each positioning block (802) is fixedly provided with a spring plate (803), a spring is connected between the spring plate (803) and the side wall of the lower part of the slot, the top of the inner side end of each positioning block (802) is provided with an inclined plane, an iron block (804) is fixedly arranged on the inclined plane, and the outer side end of the positioning block (802) of the upper telescopic cylinder is positioned in the positioning block (802) of the lower adjacent telescopic cylinder or the holding cylinder (1), the bottom of the second telescopic cylinder (3), the third telescopic cylinder (4) and the telescopic shaft (5) is fixed with an insertion block (8), the insertion block (8) is connected with the insertion groove in a sliding mode, inclined planes are symmetrically arranged on two sides of the bottom of the insertion block (8), and a magnet plate (801) is fixed on the inclined planes.
CN202111025852.2A 2021-09-02 2021-09-02 Intelligent electroscope for switching operation of +/-500 kV converter substation Pending CN113791270A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111025852.2A CN113791270A (en) 2021-09-02 2021-09-02 Intelligent electroscope for switching operation of +/-500 kV converter substation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111025852.2A CN113791270A (en) 2021-09-02 2021-09-02 Intelligent electroscope for switching operation of +/-500 kV converter substation

Publications (1)

Publication Number Publication Date
CN113791270A true CN113791270A (en) 2021-12-14

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Application Number Title Priority Date Filing Date
CN202111025852.2A Pending CN113791270A (en) 2021-09-02 2021-09-02 Intelligent electroscope for switching operation of +/-500 kV converter substation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117381151A (en) * 2023-10-25 2024-01-12 山东森峰激光装备有限公司 Hand-held type laser processing head

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117381151A (en) * 2023-10-25 2024-01-12 山东森峰激光装备有限公司 Hand-held type laser processing head
CN117381151B (en) * 2023-10-25 2024-03-15 山东森峰激光装备有限公司 Hand-held type laser processing head

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