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CN112599375B - Alignment tool and assembly method of three-station switch - Google Patents

Alignment tool and assembly method of three-station switch Download PDF

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Publication number
CN112599375B
CN112599375B CN202011268849.9A CN202011268849A CN112599375B CN 112599375 B CN112599375 B CN 112599375B CN 202011268849 A CN202011268849 A CN 202011268849A CN 112599375 B CN112599375 B CN 112599375B
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CN
China
Prior art keywords
contact
grounding
isolation
conductor
alignment
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CN202011268849.9A
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Chinese (zh)
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CN112599375A (en
Inventor
林明顺
苏伟
范荣华
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XUJI (XIAMEN) INTELLIGENT POWER EQUIPMENT CO Ltd
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XUJI (XIAMEN) INTELLIGENT POWER EQUIPMENT CO Ltd
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Publication of CN112599375A publication Critical patent/CN112599375A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06Fixing of contacts to carrier ; Fixing of contacts to insulating carrier
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/023Base and stationary contacts mounted thereon
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/26Air-break switches for high tension without arc-extinguishing or arc-preventing means with movable contact that remains electrically connected to one line in open position of switch
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Arc-Extinguishing Devices That Are Switches (AREA)

Abstract

The invention discloses an alignment tool and an assembly method of a three-position switch. The invention can effectively improve the assembly precision and the assembly efficiency of the three-station switch.

Description

Alignment tool and assembly method of three-station switch
Technical Field
The invention relates to the field of three-position switches, in particular to an alignment tool and an assembly method of a three-position switch.
Background
With the continuous development of power switching technology, HGIS high-voltage switching devices are increasingly used in power systems.
As shown in fig. 19 to 21, the three-position switch in the conventional HGIS high voltage switching apparatus generally includes a housing 1, and a conductor assembly 2, a transmission assembly 3, a moving contact 4, a ground contact assembly 5, and an isolation contact assembly 6 mounted to the housing 1. The shell 1 is provided with a conductor assembly fixing hole 11, an isolation contact assembly fixing hole 12, a ground contact assembly fixing hole 13 and a transmission assembly fixing hole 14, wherein the conductor assembly fixing hole 11 and the isolation contact assembly fixing hole 12 are coaxially arranged, the central axis of the ground contact assembly fixing hole 13 and the central axis of the transmission assembly fixing hole 14 are perpendicular to the central axis of the conductor assembly fixing hole 11, and the central axis of the ground contact assembly fixing hole 13 and the central axis of the transmission assembly fixing hole 14 are perpendicular to each other; the conductor assembly fixing hole 11 is provided with a plurality of conductor mounting holes 111 along the periphery, the isolating contact assembly fixing hole 12 is provided with a plurality of isolating mounting holes 121 along the periphery, the grounding contact assembly fixing hole 13 is provided with a plurality of grounding mounting holes 131 which are arranged at equal intervals along the periphery, and the transmission assembly fixing hole 14 is provided with a plurality of transmission mounting holes 141 which are arranged at equal intervals along the periphery. The conductor assembly 2 comprises a disc insulator 21, a transition joint 22, a conductor 23 and a conductor screw 24; a plurality of insulator connecting holes 211 corresponding to the conductor mounting holes 111 are formed on the periphery of the disc insulator 21; the disc insulator 21 is connected with the periphery of the conductor assembly fixing hole 11 of the shell 1 through a plurality of insulator screws 25, and each insulator screw 25 respectively penetrates through the corresponding conductor mounting hole 111 and the corresponding insulator connecting hole 211 to connect the disc insulator 21 with the periphery of the conductor assembly fixing hole 11; the transition joint 22 and the conductor 23 are arranged in the shell 1, the transition joint 22 is fixedly connected with the disc insulator 21, the transition joint 22 is provided with a joint screw hole 221, the conductor 23 is provided with a conductor through hole 231 and a conductor bayonet 232 with a U-shaped structure, the conductor screw 24 passes through the conductor through hole 231 and is then screwed with the joint screw hole 221 to connect the conductor 23 with the transition joint 22, through holes 233 are formed in the side walls of the two sides of the conductor bayonet 232, the through holes 233 of the side walls of the two sides of the conductor bayonet 232 are opposite to each other, and the head of the conductor screw 24 is positioned in the conductor bayonet 232. The transmission assembly 3 comprises a flange plate 31 and a transmission shaft 32; the periphery of the flange plate 31 is provided with flange connection holes 311 corresponding to the transmission mounting holes 141, the flange plate 31 is connected with the periphery of the transmission assembly fixing hole 14 through a plurality of flange screws 33, and each flange screw 33 respectively penetrates through the corresponding flange connection hole 311 and the transmission mounting hole 141; the transmission shaft 32 is rotatably connected with the center of the flange 31, and the inner end of the transmission shaft 32 passes through the through holes 233 on the side walls of the two sides of the conductor bayonet 232. The movable contact 4 is arranged in the shell 1, one end of the movable contact 4 penetrates into a conductor bayonet 232 of the conductor 23, the movable contact 4 is provided with an engagement hole 41 engaged with the inner end of the transmission shaft 32, the engagement hole 41 is sleeved with the inner end of the transmission shaft 32 and engaged with the transmission shaft 32, and the movable contact 4 and the transmission shaft 32 are synchronously rotated to drive the movable contact 4 to rotate by the transmission shaft 32. The ground contact assembly 5 includes a ground contact 51, a ground contact seat 52, and a ground screw 53; the periphery of the grounding contact seat 52 is provided with grounding connection holes 521 corresponding to the grounding installation holes 131, the center of the grounding contact seat 52 is provided with a contact seat screw hole 522, the grounding contact seat 52 is fixedly connected with the periphery of the grounding contact assembly fixing hole 13 through a plurality of contact seat screws 54, and each contact seat screw 54 respectively passes through the corresponding grounding installation hole 131 and the grounding connection hole 521; the ground contact 51 is disposed in the housing 1, the ground contact 51 is provided with a ground through hole 511 and a ground bayonet 512 having a U-shaped structure, the ground screw 53 passes through the ground through hole 511 and is screwed with the contact seat screw hole 522 to connect the ground contact 51 with the ground contact seat 52, and the head of the ground screw 53 is disposed in the ground bayonet 512. The isolating contact assembly 6 comprises an isolating contact 61, an isolating screw 62 and a circuit breaker; the circuit breaker is provided with an isolation contact mounting part 63, an isolation connecting hole 631 corresponding to each isolation mounting hole 121 is arranged on the periphery of the isolation contact mounting part 63, a mounting part screw hole 632 is arranged in the center of the isolation contact mounting part 63, the isolation contact mounting part 63 is fixedly connected with the periphery of the isolation contact assembly fixing hole 12 through a plurality of mounting part screws 64, and each mounting part screw 64 respectively penetrates through the corresponding isolation mounting hole 121 and the corresponding isolation connecting hole 631; the isolating contact 61 is arranged in the shell 1, the isolating contact 61 is provided with an isolating through hole 611 and an isolating bayonet 612 with a U-shaped structure, the isolating screw 62 passes through the isolating through hole 611 and then is screwed with the screw hole 632 of the mounting part so as to connect the isolating contact 61 with the isolating contact mounting part 63 of the circuit breaker, and the head of the isolating screw 62 is positioned in the isolating bayonet 612.
The matching relationship among the moving contact 4, the grounding contact 51 and the isolating contact 61 of the existing three-position switch needs to satisfy: when the transmission shaft 32 drives the moving contact 4 to rotate to the grounding position, the moving contact 4 is just clamped into the grounding bayonet 512 of the grounding contact 51, so that grounding conduction is realized; when the transmission shaft 32 drives the moving contact 4 to rotate to the closing position, the moving contact 4 just clamps into the isolation bayonet 612 of the isolation contact 61, so that closing and conducting are realized. From this, it is clear that the precision of the mating among the moving contact 4, the ground contact 51 and the isolation contact 52 greatly affects the performance and reliability of the three-position switch; however, since the conductor 23, the ground contact 51, the isolation contact 61 and the moving contact 4 are all located in the housing 1, and the conductor 23, the ground contact 51 and the isolation contact 61 are all mounted by adopting a screw connection manner, it is difficult to control the mounting direction and the mounting position of the conductor 23, the ground contact 51, the isolation contact 61 and the moving contact 4 when people assemble the three-position switch, and it is difficult to ensure the fitting precision of the conductor 23, the ground contact 51, the isolation contact 61 and the moving contact 4, the assembly precision and the assembly efficiency are low, and repeated disassembly and assembly are needed in many times.
Disclosure of Invention
The invention aims to provide an alignment tool and an assembly method of a three-position switch, which are beneficial to improving the assembly precision and the assembly efficiency of the three-position switch.
In order to achieve the above object, the solution of the present invention is:
an alignment tool of a three-station switch comprises a first conductor alignment tool, a second conductor alignment tool, a grounding contact alignment tool and an isolation contact alignment tool; the first conductor alignment tool comprises a first conductor alignment disc and a first conductor alignment rod; the periphery of the first conductor alignment plate is provided with a plurality of first alignment plate mounting holes, and each first alignment plate mounting hole is respectively and correspondingly arranged with each transmission mounting hole on the periphery of the transmission assembly fixing hole of the three-station switch; the first conductor alignment rod penetrates through the first conductor alignment disc and is rotationally connected with the first conductor alignment disc, one end of the first conductor alignment rod forms a conductor alignment part, the conductor alignment part is used for penetrating through holes on two sides of a conductor bayonet of a conductor of the three-position switch, and an alignment part abdicating hole is formed in the conductor alignment part corresponding to a joint screw hole of a transition joint of the three-position switch; the second conductor alignment tool comprises a second conductor alignment disc and a second conductor alignment rod; the periphery of the second conductor alignment plate is provided with a plurality of second alignment plate mounting holes, and each second alignment plate mounting hole is respectively and correspondingly arranged with each grounding mounting hole on the periphery of the grounding contact assembly fixing hole of the three-station switch; one end of the second conductor alignment rod is fixedly connected with the second conductor alignment disc, the other end of the second conductor alignment rod is matched with a conductor alignment block, and the conductor alignment block is used for being clamped into a conductor bayonet of a conductor of the three-position switch; the conductor alignment block is provided with an alignment block abdication hole corresponding to a joint screw hole of the transition joint of the three-station switch; the grounding contact alignment tool comprises a grounding positioning plate and two grounding positioning columns, wherein the grounding positioning columns are used for being detachably connected with grounding connection holes of a grounding contact seat of the three-station switch; the grounding locating plate is used for being clamped into a grounding bayonet of a grounding contact of the three-station switch, and two ends of the grounding locating plate are respectively and detachably connected with the two grounding locating posts; the isolating contact alignment tool comprises an isolating locating plate and two isolating locating columns; the isolation positioning column is used for being detachably connected with the isolation connecting hole of the isolation contact mounting part of the three-station switch; the isolation locating plate is used for being clamped into the isolation bayonet of the isolation contact of the three stations, and two ends of the isolation locating plate are detachably connected with the two isolation locating columns respectively.
The grounding locating plate is provided with a mounting abdication hole corresponding to the grounding perforation of the grounding contact.
The isolation locating plate is provided with an assembly abdication hole corresponding to the isolation perforation of the isolation contact.
The first conductor alignment plate is provided with a first viewing aperture.
The second conductor alignment plate is provided with a second viewing aperture.
The assembly method of the three-station switch uses the alignment fixture, and comprises a conductor component installation and alignment step, a moving contact and transmission component installation step, a grounding contact component preassembling and alignment step, a grounding contact component installation step, an isolation contact component preassembling and alignment step and an isolation contact component installation step;
the conductor assembly mounting and aligning steps are as follows: the first step, connecting a transition joint with a disc insulator; secondly, threading a conductor screw through a conductor through hole of the conductor and then screwing the conductor screw with a joint screw hole of the transition joint, wherein the conductor screw is required to be incompletely screwed so that the conductor can rotate and move relative to the transition joint; thirdly, connecting the disc insulator with the periphery of the conductor assembly fixing hole of the shell through an insulator screw; a fourth step of extending the conductor alignment part of the first conductor alignment rod of the assembled first conductor alignment fixture into the shell from the transmission component fixing hole, enabling the conductor alignment part to pass through holes on two sides of a conductor bayonet of the conductor, respectively aligning each first alignment plate mounting hole of the first conductor alignment plate with each transmission mounting hole on the periphery of the transmission component fixing hole, connecting the first conductor alignment plate with the periphery of the transmission component fixing hole through screws penetrating through the aligned first alignment plate mounting holes and the transmission mounting holes, and finally rotating the first conductor alignment rod to enable the yielding holes of the alignment part to be aligned with the joint screw holes of the transition joint; fifthly, extending an alignment block of the assembled second conductor alignment fixture into the shell from the grounding contact assembly fixing hole, then clamping the alignment block into a conductor bayonet, aligning each second alignment disk mounting hole of the second conductor alignment disk with each grounding mounting hole on the periphery of the grounding contact assembly fixing hole respectively, and finally connecting the second conductor alignment disk with the periphery of the grounding contact assembly fixing hole through screws penetrating through the aligned second alignment disk mounting holes and the grounding mounting holes so as to align the yielding holes of the alignment blocks with the joint screw holes of the transition joint; a sixth step of tightening the conductor screw by a screw mounting tool passing through the alignment part relief hole and the alignment block relief hole; seventh, the first conductor alignment tool and the second conductor alignment tool are disassembled;
The moving contact and the transmission assembly are installed in the following steps: after the conductor assembly mounting step is completed, mounting the moving contact and the transmission assembly to the housing so that the moving contact and the transmission assembly are matched with the conductor;
the grounding contact assembly preassembling and aligning steps are as follows: firstly, a grounding screw is screwed with a contact seat screw hole of a grounding contact seat after passing through a grounding through hole of a grounding contact, and the grounding screw is required to be incompletely screwed so that the grounding contact can rotate and move relative to the grounding contact seat; secondly, respectively connecting two grounding positioning columns of the grounding contact alignment tool with two grounding connecting holes of a grounding contact seat, and requiring the installation positions of the two grounding positioning columns to meet the requirement that the two grounding positioning columns can be connected with two ends of a grounding positioning plate of the grounding contact alignment tool; thirdly, clamping a grounding positioning plate of the grounding contact alignment tool into a grounding bayonet of the grounding contact, and connecting two ends of the grounding positioning plate with two grounding positioning columns respectively; fourthly, tightening a grounding screw to firmly connect the grounding contact with the grounding contact seat; fifthly, disassembling the grounding contact alignment tool to obtain a preassembled grounding contact assembly;
The ground contact assembly mounting steps are as follows: after the moving contact and transmission assembly installation step and the grounding contact assembly preassembling and aligning step are completed, in the first step, the moving contact is rotated to a grounding position; secondly, extending the grounding contact of the pre-assembled grounding contact assembly into the shell from the grounding contact assembly fixing hole, and enabling the moving contact at the grounding position to be clamped into the grounding bayonet of the grounding contact, so that each grounding connecting hole of the grounding contact seat is aligned with each grounding mounting hole along the periphery of the grounding contact assembly fixing hole; thirdly, connecting the grounding contact seat with the periphery of the grounding contact assembly fixing hole through a contact seat screw passing through the aligned grounding connecting hole and grounding mounting hole;
the preassembling and aligning steps of the isolating contact assembly are as follows: firstly, threading an isolation screw through an isolation perforation of an isolation contact to be in threaded connection with a screw hole of a mounting part of the isolation contact, wherein the isolation screw is required to be not fully screwed so that the isolation contact can rotate and move relative to the mounting part of the isolation contact; secondly, respectively connecting two isolation positioning columns of the isolation contact alignment tool with two isolation connecting holes of an isolation contact mounting part, and requiring the mounting positions of the two isolation positioning columns to meet the requirement that the two isolation positioning columns can be connected with two ends of an isolation positioning plate of the isolation contact alignment tool; thirdly, clamping an isolation positioning plate of the isolation contact alignment tool into an isolation bayonet of the isolation contact, and connecting two ends of the isolation positioning plate with two isolation positioning columns respectively; fourthly, tightening the isolation screw to firmly connect the isolation contact with the isolation contact mounting part; fifthly, disassembling the isolating contact alignment tool to obtain a preassembled isolating contact assembly;
The isolating contact assembly comprises the following mounting steps: after the moving contact and transmission assembly installation step and the isolation contact assembly preassembling and aligning step are completed, in the first step, the moving contact is rotated to a closing position; secondly, extending the isolation contact of the preassembled isolation contact assembly into the shell from the fixing hole of the isolation contact assembly, and clamping the moving contact at the closing position into the isolation contact so as to respectively align each isolation connecting hole of the isolation contact mounting part with each isolation mounting hole along the periphery of the fixing hole of the isolation contact assembly; and thirdly, connecting the isolation contact mounting part with the isolation contact assembly fixing hole through a mounting part screw penetrating through the aligned isolation connecting hole and the isolation mounting hole.
The grounding locating plate is provided with a mounting abdication hole corresponding to the grounding perforation of the grounding contact; in the third step of the preassembling and aligning steps of the grounding contact assembly, when the grounding locating plate of the grounding contact aligning tool is clamped into the grounding bayonet of the grounding contact, the mounting abdication hole of the grounding locating plate is aligned with the grounding perforation of the grounding contact; in the fourth step of the ground contact assembly preassembling and aligning step, the ground screws are tightened by screw installation tools penetrating through the installation relief holes of the ground positioning plates, so that the ground contacts are firmly connected with the ground contact base.
The isolation positioning plate is provided with an assembly abdication hole corresponding to the isolation perforation of the isolation contact; in the third step of preassembling and aligning the isolation contact assembly, when the isolation positioning plate of the isolation contact alignment tool is clamped into the isolation bayonet of the isolation contact, the assembly abdication hole of the isolation positioning plate is aligned with the isolation perforation of the isolation contact; in the fourth step of the isolation contact assembly preassembling and aligning step, the isolation screw is screwed down by a screw mounting tool penetrating through the assembly relief hole of the isolation positioning plate, so that the isolation contact is firmly connected with the isolation contact mounting part.
In the moving contact and transmission assembly mounting step, the step of mounting the moving contact and transmission assembly to the housing is: the method comprises the steps that firstly, a moving contact extends into a conductor bayonet of a conductor, so that a meshing hole of the moving contact is aligned with a through hole of the conductor; secondly, extending the inner end of a transmission shaft of the assembled transmission assembly into the shell from the fixing hole of the transmission assembly, enabling the inner end of the transmission shaft to penetrate through all through holes of the conductor and the engagement holes of the moving contact, and enabling the engagement holes of the moving contact to be engaged with the inner end of the transmission shaft; and thirdly, respectively aligning all flange connection holes of the flange plate of the transmission assembly with all transmission mounting holes on the periphery of the fixing hole of the transmission assembly, and connecting the flange plate with the periphery of the fixing hole of the transmission assembly through flange bolts penetrating through the aligned flange connection holes and the transmission mounting holes.
The screw mounting tool is an inner hexagonal wrench, and the grounding screw, the isolation screw and the conductor screw are all inner hexagonal screws.
After the scheme is adopted, the installation position and the installation direction of the conductor can be limited through the first conductor alignment tool and the second conductor alignment tool, so that the conductor can be ensured to be accurately installed in the shell, and further the moving contact can be accurately installed; the relative positions of the grounding contact and the grounding contact seat can be limited through the grounding contact alignment tool, so that the grounding contact can be accurately and quickly installed in the shell; the relative positions of the isolation contact and the isolation contact mounting part can be limited through the isolation contact alignment tool, so that the isolation contact can be accurately and quickly mounted in the shell. Therefore, the three-station switch is assembled by the alignment tool and the assembly method, the assembly precision of the three-station switch can be effectively improved, and the assembly efficiency can be effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a first conductor alignment tool according to the present invention;
fig. 2 is a schematic structural diagram of a second conductor alignment tool according to the present invention;
FIG. 3 is a schematic view of a contact alignment tool according to the present invention;
FIG. 4 is a schematic structural diagram of an isolated contact alignment tool of the present invention;
FIG. 5 is a schematic view of the conductor assembly mounting and alignment steps of the present invention, shown in FIG. 1;
FIG. 6 is a schematic view of the conductor assembly mounting and alignment steps of the present invention, shown in FIG. 2;
FIG. 7 is a schematic view of the conductor assembly mounting and alignment steps of the present invention, shown in FIG. 3;
FIG. 8 is a schematic view of the conductor assembly mounting and alignment steps of the present invention, FIG. 4;
FIG. 9 is a schematic view of the moving contact and transmission assembly mounting step of the present invention, shown in FIG. 1;
FIG. 10 is a schematic view of the moving contact and transmission assembly mounting step of the present invention in FIG. 2;
FIG. 11 is a schematic view of the moving contact and drive assembly installation step of the present invention, shown in FIG. 3;
fig. 12 is a schematic view of a ground contact assembly of the present invention at a pre-load and alignment step 1;
fig. 13 is a schematic view of a ground contact assembly pre-load and alignment step of the present invention, shown in fig. 2;
fig. 14 is a schematic view of the ground contact assembly mounting step of the present invention, shown in fig. 1;
fig. 15 is a schematic view of the ground contact assembly mounting step of the present invention;
FIG. 16 is a schematic view of the pre-assembly and alignment steps of the isolated contact assembly of the present invention, shown in FIG. 1;
FIG. 17 is a schematic view of the pre-assembly and alignment steps of the isolated contact assembly of the present invention;
FIG. 18 is a schematic view of an isolated contact assembly mounting step of the present invention;
FIG. 19 is an exploded view of the three-position switch of FIG. 1;
FIG. 20 is an exploded view of the three-position switch;
FIG. 21 is a cross-sectional view of a three-position switch;
description of the reference numerals:
the housing 1, the conductor assembly fixing hole 11, the conductor mounting hole 111, the isolation contact assembly fixing hole 12, the isolation mounting hole 121, the ground contact assembly fixing hole 13, the ground mounting hole 131, the transmission assembly fixing hole 14, the transmission mounting hole 141, the inspection hole 15,
conductor assembly 2, disc insulator 21, insulator connection hole 211, transition joint 22, joint screw hole 221, conductor 23, conductor penetration 231, conductor bayonet 232, through hole 233, conductor screw 24, insulator screw 25,
the driving assembly 3, the flange 31, the flange connection hole 311, the driving shaft 32, the flange screw 33,
the movable contact 4, the engagement hole 41,
the ground contact assembly 5, the ground contact 51, the ground through hole 511, the ground bayonet 512, the ground contact mount 52, the ground connection hole 521, the contact mount screw hole 522, the ground screw 53,
the contact base screw 54,
isolation contact assembly 6, isolation contact 61, isolation penetration 611, isolation bayonet 612, isolation screw 62, isolation contact mounting 63, isolation connection hole 631, mounting screw hole 632, mounting screw 64,
The thickness of the cover plate 7, the glass 71,
a first conductor alignment fixture A, a first conductor alignment disk A1, a second alignment disk mounting hole A11, a first observation hole A12, a first conductor alignment rod A2, a conductor alignment part A21, an alignment part abdicating hole A22,
a second conductor alignment fixture B, a second conductor alignment disk B1, a second alignment disk mounting hole B11, a second observation hole B12, a second conductor alignment rod B2, a conductor alignment block B3, an alignment block abdication hole B31,
the grounding contact alignment fixture C, the grounding positioning plate C1, the mounting yielding hole C11 and the grounding positioning column C2,
isolation contact aligns frock D, isolation locating plate D1, and the hole D11 is stepped down in the assembly, keeps apart reference column D2.
Detailed Description
In order to further explain the technical scheme of the invention, the invention is explained in detail by specific examples.
As shown in fig. 1 to 4, the invention discloses an alignment tool of a three-position switch, which comprises a first conductor alignment tool a, a second conductor alignment tool B, a grounding contact alignment tool C and an isolation contact alignment tool D; the first conductor alignment tool A and the second conductor alignment tool B are used for aligning the conductor 23, so that the conductor 23 can be accurately installed in the shell 1; the ground contact alignment tool C is used for accurately installing the ground contact 51 in the housing 1; the isolating contact alignment fixture D is used to enable the isolating contact 61 to be accurately mounted in the housing 1.
With reference to fig. 1, the first conductor alignment fixture a includes a first conductor alignment plate A1 and a first conductor alignment rod A2; the periphery of the first conductor alignment plate A1 is provided with a plurality of first alignment plate mounting holes A11, and each first alignment plate mounting hole A11 is respectively and correspondingly arranged with each transmission mounting hole 141 along the periphery of the transmission assembly fixing hole 14 of the three-station switch; the first conductor alignment rod A2 passes through the first conductor alignment disc A1, the first conductor alignment rod A2 is rotationally connected with the first conductor alignment disc A1, a conductor alignment part A21 is formed at one end of the first conductor alignment rod A2, the conductor alignment part A21 is used for passing through holes 233 on two sides of a conductor bayonet 232, and an alignment part abdicating hole A22 is arranged on the conductor alignment part A21 corresponding to the joint screw hole 221 of the transition joint 22. The first conductor alignment fixture A is designed as follows: when the conductor alignment portion a21 extends into the housing 1 from the transmission assembly fixing hole 14 and the conductor alignment portion a21 passes through the conductor bayonet 232 of the conductor 23 with correct installation direction and installation position, the first alignment plate mounting holes a11 of the first conductor alignment plate A1 are aligned with the transmission mounting holes 141, respectively, and the first alignment plate mounting holes a11 of the first conductor alignment plate A1 are connected with the corresponding grounding mounting holes 131 by screws so that the alignment portion yielding holes a22 pass through the central axis of the joint screw holes 221 of the transition joint 22, so that rotating the first conductor alignment rod A2 can lead the alignment portion yielding holes a22 to be aligned with the joint screw holes 221 of the transition joint 22; the installation direction and the installation position of the conductor 23 can be limited through the first conductor alignment fixture A; the correct installation direction and installation position of the conductor 23 can enable the installation position and installation direction of the moving contact 4 to be accurate, so that the transmission assembly 3 and the moving contact 4 can be accurately installed on the shell 1. With reference to fig. 1, the first conductor alignment plate A1 may be provided with a first observation hole a12, so as to facilitate observation of the internal environment of the housing 1.
With reference to fig. 2, the second conductor alignment fixture B includes a second conductor alignment plate B1 and a second conductor alignment rod B2; the periphery of the second conductor alignment plate B1 is provided with a plurality of second alignment plate mounting holes B11, and each second alignment plate mounting hole B11 is respectively and correspondingly arranged with each grounding mounting hole 131 on the periphery of the grounding contact assembly fixing hole 13 of the three-position switch one by one, so that the second conductor alignment plate B1 can be connected with the periphery of the grounding contact assembly fixing hole 13 of the three-position switch through screws; one end of the second conductor alignment rod B2 is fixedly connected with the second conductor alignment disk B1, the other end of the second conductor alignment rod B2 is matched with a conductor alignment block B3, and the conductor alignment block B3 is used for being clamped into a conductor bayonet 232 of a conductor 23 of the three-position switch; the conductor alignment block B3 is provided with an alignment block relief hole B31 corresponding to the joint screw hole 221 of the transition joint 22. The second conductor alignment fixture B is designed as follows: when the first alignment block B3 extends into the housing from the ground contact assembly fixing hole 13 and the first alignment block B3 is snapped into the conductor bayonet 232 of the conductor 23 with correct mounting direction and mounting position, at this time, each second alignment plate mounting hole B11 of the second conductor alignment plate B1 is aligned with each ground mounting hole 131, respectively, and at this time, the second alignment plate mounting hole B11 of the second conductor alignment plate B1 is connected with the corresponding ground mounting hole 131 by a screw so that the alignment block relief hole B31 is aligned with the joint screw hole 221 of the transition joint 22; the mounting direction and the mounting position of the conductor 23 can thus be defined by the second conductor alignment fixture B. With reference to fig. 2, the second conductor alignment plate B1 may be provided with a first observation hole B12, so as to facilitate observation of the internal environment of the housing 1.
From the above, six degrees of freedom of the conductor 23 can be defined by the first conductor alignment fixture a and the second conductor alignment fixture B, so that the accuracy of the installation direction and the installation position of the conductor 23 is ensured.
As shown in fig. 3, the ground contact alignment fixture C includes a ground positioning plate C1 and two ground positioning posts C2, where the ground positioning posts C2 are detachably connected to the ground connection holes 521 of the ground contact base 52 of the three-position switch, and the ground positioning posts C2 may be detachably connected to the ground connection holes 521 in a plug-in matching manner; the grounding locating plate C1 is used for being clamped into the grounding bayonet 512 of the grounding contact 51 of the three-station switch, two ends of the grounding locating plate C1 are detachably connected with two grounding locating posts C2 respectively, and the grounding locating posts C2 can penetrate through the grounding locating plate C1 and then are locked with the grounding locating plate C1 through nuts. The ground contact alignment tool C is designed as follows: when the grounding locating plate C1 of the assembled grounding contact alignment fixture C is clamped into the grounding bayonet 512 of the grounding contact 51 and each grounding locating column C2 is respectively connected with the grounding locating plate C1, the relative position relationship between the grounding contact 51 and the grounding contact seat 52 which are connected through the grounding screw 53 is the same as the relative position relationship when the grounding contact seat 52 and the grounding contact 51 are accurately mounted on the shell 1; when the ground contact holder 52 and the ground contact 51 are accurately mounted to the housing 1, the ground bayonet 512 of the ground contact 51 is just capable of being snapped into the moving contact 4 at the ground position, and the ground connection holes 521 of the ground contact holder 52 are aligned with the ground mounting holes 131 of the ground contact assembly fixing holes 13, respectively, so that the ground connection holes 521 can be connected to the ground mounting holes 131 by the contact holder screws 54. It can be seen that the relative positions between the ground contact seat 52 and the ground contact 51 are defined by the ground contact alignment fixture C, so that when the ground contact assembly 5 is mounted, the ground connection holes 521 of the ground contact seat 52 and the ground mounting holes 131 of the ground contact assembly fixing holes 13 can be aligned respectively only by matching the ground bayonet 512 of the ground contact 51 with the moving contact 4 at the ground position, thereby facilitating accurate and rapid mounting of the ground contact assembly 5 to the housing 1.
With reference to fig. 4, the isolating contact alignment tool D includes an isolating locating plate D1 and two isolating locating columns D2; the isolation positioning column D2 is detachably connected with the isolation connection hole 631 of the isolation contact mounting portion 63 of the three-position switch, and the isolation positioning column D2 can be detachably connected with the isolation connection hole 631 in a plug-in matching manner; the method comprises the steps of carrying out a first treatment on the surface of the The isolation positioning plate D1 is used for being clamped into the isolation bayonet 612 of the three-station isolation contact 61, two ends of the isolation positioning plate D1 are detachably connected with two isolation positioning columns D2 respectively, and the isolation positioning columns D2 can penetrate through the isolation positioning plate D1 and then are locked with the isolation positioning plate D1 through nuts. The isolated contact alignment tool D is designed as follows: when the isolation positioning plate D1 of the assembled isolation contact alignment tool D is clamped into the isolation bayonet 612 of the isolation contact 61 and each isolation positioning column D2 is respectively connected with the isolation positioning plate D1, the relative position relationship between the isolation contact 61 and the isolation contact mounting part 63 connected by the isolation screw 62 is the same as that when the isolation contact mounting part 63 and the isolation contact 61 are accurately mounted on the shell 1; when the isolating contact mounting portion 63 and the isolating contact 61 are accurately mounted to the housing 1, the isolating bayonet 612 of the isolating contact 61 is just capable of being snapped in by the moving contact 4 in the isolated position, and at the same time, the isolating connection holes 631 of the isolating contact mounting portion 63 are aligned with the isolating mounting holes 121 of the isolating contact assembly fixing hole 12, respectively, so that the isolating connection holes 631 can be connected to the isolating mounting holes 121 by the contact seat screws 64. Therefore, the relative positions between the isolation contact mounting portion 63 and the isolation contact 61 can be limited by the isolation contact alignment tool D, so that when the isolation contact assembly 6 is mounted, the isolation bayonet 612 of the isolation contact 61 is only matched with the moving contact 4 at the isolation position, and each isolation connecting hole 631 of the isolation contact mounting portion 63 is aligned with each isolation mounting hole 121 of the isolation contact assembly fixing hole 12, so that the isolation contact assembly 6 can be mounted to the housing 1 accurately and quickly.
The invention also discloses an assembly method of the three-station switch, which uses the alignment tool and has the advantages of high assembly precision and high assembly efficiency; specifically, the assembly method comprises a conductor assembly installation and alignment step, a moving contact and transmission assembly installation step, a grounding contact assembly preassembling and alignment step, a grounding contact assembly installation step, an isolation contact assembly preassembling and alignment step and an isolation contact assembly installation step.
Specifically, with reference to fig. 5 to 8, the steps of installing and aligning the conductor assembly are as follows:
the first step, connecting the transition joint 22 with the disc insulator 21; secondly, threading the conductor screw 24 through the conductor penetration 231 of the conductor 23 and then into the joint screw hole 221 of the transition joint 22, wherein the conductor screw 24 is required to be incompletely screwed so that the conductor 23 can rotate and move relative to the transition joint 24; thirdly, connecting the disc insulator 21 with the periphery of the conductor assembly fixing hole 11 of the shell 1 through an insulator screw 25; fourthly, extending the conductor alignment part A21 of the first conductor alignment rod A2 of the assembled first conductor alignment fixture A into the shell 1 from the transmission component fixing hole 14, enabling the conductor alignment part A21 to pass through holes 233 on two sides of the conductor bayonet 232 of the conductor 23, then enabling all the first alignment plate mounting holes A11 of the first conductor alignment plate A1 to be aligned with all the transmission mounting holes 141 on the periphery of the transmission component fixing hole 14 respectively, enabling the second alignment plate A1 to be connected with the periphery of the transmission component fixing hole 14 through screws penetrating through the aligned first alignment plate mounting holes A11 and the transmission mounting holes 141, and finally rotating the first conductor alignment rod A2 to enable the alignment part yielding hole A22 to be aligned with the joint screw hole 221 of the transition joint 22; fifthly, extending an alignment block B3 of the assembled second conductor alignment fixture B into the shell 1 from the grounding contact assembly fixing hole 13, then clamping the alignment block B3 into a conductor bayonet 231 of the conductor 23, aligning each second alignment plate mounting hole B11 of the second conductor alignment plate B1 with each grounding mounting hole 131 on the periphery of the grounding contact assembly fixing hole 13, and finally connecting the first alignment plate B1 with the periphery of the grounding contact assembly fixing hole 13 through a screw penetrating through the aligned second alignment plate mounting holes B11 and the grounding mounting holes 131 so that an alignment block yielding hole B31 is aligned with a joint screw hole 221 of the transition joint 22; sixth, the conductor screw 24 is screwed by a screw mounting tool that passes through the alignment block relief hole B31 and the alignment block relief hole a 22; and seventhly, disassembling the second conductor alignment tool B and the first conductor alignment tool A. In the conductor assembly mounting and aligning step, six degrees of freedom of the conductor 23 can be limited through the fourth step and the fifth step, so that the mounting position and the mounting direction of the conductor 23 are ensured to be accurate; wherein the fourth step can define the installation direction of the conductor 23 and the installation position of the conductor 23 in the axial direction of the joint screw hole 221, and the fifth step can move the installation position of the conductor 23 in the axial direction of the through hole 232.
The moving contact and transmission assembly mounting steps are as shown in fig. 9 to 11: after the conductor assembly mounting step is completed, the moving contact 4 and the transmission assembly 3 are mounted to the housing 1 such that the moving contact 4 and the transmission assembly 3 are mated with the conductor 23; specifically, the steps of mounting the moving contact 4 and the transmission assembly 3 to the housing 1 are: firstly, the moving contact 4 is extended into the conductor bayonet 232 of the conductor 23, so that the engagement hole 41 of the moving contact 4 is aligned with the through hole 233 of the conductor 23; secondly, extending the inner end of the transmission shaft 32 of the assembled transmission assembly 3 from the transmission assembly fixing hole 14 into the housing 1, and passing the inner end of the transmission shaft 32 through each through hole 233 of the conductor 23 and the engagement hole 41 of the moving contact 4, and engaging the engagement hole 41 of the moving contact 4 with the inner end of the transmission shaft 32; third, each flange connection hole 311 of the flange plate 31 of the driving assembly 3 is aligned with each driving installation hole 141 of the peripheral edge of the driving assembly fixing hole 14, and the flange plate 31 is connected with the peripheral edge of the driving assembly fixing hole 14 by the flange screw 33 passing through the aligned flange connection hole 311 and driving installation hole 141. Wherein the assembled transmission assembly 3 means that the transmission assembly 3 has mounted the transmission shaft 32 to the flange 31, and the mounting of the transmission shaft 32 and the flange 31 is the prior art, which is not repeated herein.
As shown in fig. 12 and 13, the ground contact assembly preassembling and aligning steps are as follows: first, the ground screw 53 is threaded into the contact seat screw hole 522 of the ground contact seat 52 after passing through the ground penetration hole 511 of the ground contact 51, and the ground screw 53 is required to be incompletely screwed so that the ground contact 51 can rotate and move relative to the ground contact seat 52; secondly, connecting two grounding positioning columns C2 of the grounding contact alignment fixture C with two grounding connection holes 52 of the grounding contact seat 52 respectively, and requiring the installation positions of the two grounding positioning columns C2 to meet the requirement that the two grounding positioning columns C2 can be connected with two ends of a grounding positioning plate C1 of the grounding contact alignment fixture C; thirdly, the grounding locating plate C1 of the grounding contact alignment tool C is clamped into the grounding bayonet 512 of the grounding contact 51, and two ends of the grounding locating plate C1 are respectively connected with two grounding locating posts C2; fourth, the grounding screw 53 is screwed down, so that the grounding contact 51 and the grounding contact seat 52 are firmly connected; and fifthly, disassembling the grounding contact alignment tool C to obtain the pre-assembled grounding contact assembly 5. Wherein the grounding locating plate C1 may be provided with a mounting relief hole C11 corresponding to the grounding through hole 511 of the grounding contact 51; in the third step of the preassembling and aligning step of the ground contact assembly, when the ground positioning plate C1 of the ground contact aligning tool C is clamped into the ground bayonet 512 of the ground contact 51, the mounting relief hole C11 of the ground positioning plate C1 is aligned with the ground through hole 511 of the ground contact 51; in the fourth step of the ground contact assembly pre-assembling and aligning step, the ground screws 53 are tightened by screw installation tools passing through the installation relief holes C11 of the ground positioning plate C1, so that the ground contacts 51 are firmly connected with the ground contact seats 52.
As shown in fig. 14 and 15, the ground contact assembly is installed by the following steps: after the moving contact and transmission assembly installation step and the grounding contact assembly preassembling and aligning step are completed, in the first step, the moving contact 4 is rotated to a grounding position; secondly, extending the grounding contact 51 of the pre-assembled grounding contact assembly 5 from the grounding contact assembly fixing hole 13 into the shell 1, and enabling the moving contact 4 at the grounding position to be clamped into the grounding bayonet 512 of the grounding contact 51, so that each grounding connection hole 521 of the grounding contact seat 52 is aligned with each grounding installation hole 131 along the periphery of the grounding contact assembly fixing hole 13; third, the ground contact holder 52 is connected to the ground contact assembly mounting hole 13 by a contact holder screw 54 passing through the aligned ground connection hole 521 and ground mounting hole 131.
As shown in fig. 16 and 17, the pre-assembling and aligning steps of the isolating contact assembly are as follows: first, the isolation screw 62 is screwed with the mounting portion screw hole 632 of the isolation contact mounting portion 63 after passing through the isolation penetration hole 611 of the isolation contact 61, and the isolation screw 62 is required to be incompletely screwed so that the isolation contact 61 can rotate and move relative to the isolation contact mounting portion 63; secondly, two isolation positioning columns D2 of the isolation contact alignment tool D are respectively connected with two isolation connecting holes 631 of the isolation contact mounting part 63, and the mounting positions of the two isolation positioning columns D2 are required to meet the requirement that the two isolation positioning columns D2 can be connected with two ends of an isolation positioning plate D1 of the isolation contact alignment tool D; thirdly, clamping an isolation positioning plate D1 of the isolation contact alignment tool D into an isolation bayonet 612 of the isolation contact 61, and connecting two ends of the isolation positioning plate D1 with two isolation positioning columns D2 respectively; fourth, the isolation screw 62 is screwed down so that the isolation contact 61 is firmly connected with the isolation contact mounting portion 63; and fifthly, disassembling the isolating contact alignment tool D to obtain the pre-assembled isolating contact assembly 6. Wherein the isolation positioning plate D1 may be provided with an assembly relief hole D11 corresponding to the isolation penetration hole 611 of the isolation contact 61; in the third step of the preassembling and aligning step of the isolation contact assembly, when the isolation positioning plate D1 of the isolation contact aligning tool D is clamped into the isolation bayonet 612 of the isolation contact 61, the assembly yielding hole D11 of the isolation positioning plate D is aligned with the isolation perforation 611 of the isolation contact 61; in the fourth step of the pre-assembling and aligning step of the isolation contact assembly, the isolation screw 62 is screwed by a screw mounting tool passing through the assembly relief hole D11 of the isolation positioning plate D1, so that the isolation contact 61 is firmly connected with the isolation contact mounting portion 63.
With reference to fig. 18, the isolation contact assembly mounting step includes: after the moving contact and transmission assembly installation step and the isolation contact assembly preassembling and aligning step are completed, in the first step, the moving contact 4 is rotated to a closing position; secondly, extending the isolation contact 61 of the pre-assembled isolation contact assembly 6 into the shell 1 from the isolation contact assembly fixing hole 12, and clamping the moving contact 4 at the closing position into the isolation bayonet 612 of the isolation contact 61, so that each isolation connecting hole 631 of the isolation contact mounting part 63 is aligned with each isolation mounting hole 121 along the periphery of the isolation contact assembly fixing hole 12; third, the isolation contact mounting portion 63 is connected to the isolation contact assembly securing aperture 12 by a mounting portion screw 64 passing through the aligned isolation connection aperture 631 and isolation mounting aperture 121.
The grounding screw 53, the isolating screw 62 and the conductor screw 24 can all adopt socket head cap screws, and the screw mounting tool is correspondingly socket head cap wrenches, so that the grounding screw 53, the isolating screw 62 and the conductor screw 24 are conveniently locked.
As shown in fig. 18 to 21, for some three-position switches, an inspection hole 15 is formed in the conference shell 1, and the matching condition of the moving contact 4 with the ground contact 51 and the isolation contact 61 is detected through the inspection hole 15, so that the inspection hole 15 needs to be closed through the cover plate 7 with the glass 71; thus, for a three-position switch provided with an inspection aperture 15 in the housing 1, the assembly method of the present invention further comprises an inspection aperture closing step of: the cover plate 7 with the glass 71 is connected with the periphery of the inspection hole 15 through screws, so that the cover plate 7 seals the inspection hole 15; if the three-position switch shell 1 is not provided with the inspection hole 15, the assembly method of the invention does not need to be provided with an inspection hole sealing step.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present invention.

Claims (10)

1. Alignment fixture of three station switch, its characterized in that: the device comprises a first conductor alignment tool, a second conductor alignment tool, a grounding contact alignment tool and an isolation contact alignment tool;
the first conductor alignment tool comprises a first conductor alignment disc and a first conductor alignment rod; the periphery of the first conductor alignment plate is provided with a plurality of first alignment plate mounting holes, and each first alignment plate mounting hole is respectively and correspondingly arranged with each transmission mounting hole on the periphery of the transmission assembly fixing hole of the three-station switch; the first conductor alignment rod penetrates through the first conductor alignment disc and is rotationally connected with the first conductor alignment disc, one end of the first conductor alignment rod forms a conductor alignment part, the conductor alignment part is used for penetrating through holes on two sides of a conductor bayonet of a conductor of the three-position switch, and an alignment part abdicating hole is formed in the conductor alignment part corresponding to a joint screw hole of a transition joint of the three-position switch;
the second conductor alignment tool comprises a second conductor alignment disc and a second conductor alignment rod; the periphery of the second conductor alignment plate is provided with a plurality of second alignment plate mounting holes, and each second alignment plate mounting hole is respectively and correspondingly arranged with each grounding mounting hole on the periphery of the grounding contact assembly fixing hole of the three-station switch; one end of the second conductor alignment rod is fixedly connected with the second conductor alignment disc, the other end of the second conductor alignment rod is matched with a conductor alignment block, and the conductor alignment block is used for being clamped into a conductor bayonet of a conductor of the three-position switch; the conductor alignment block is provided with an alignment block abdication hole corresponding to a joint screw hole of the transition joint of the three-station switch;
The grounding contact alignment tool comprises a grounding positioning plate and two grounding positioning columns, wherein the grounding positioning columns are used for being detachably connected with grounding connection holes of a grounding contact seat of the three-station switch; the grounding locating plate is used for being clamped into a grounding bayonet of a grounding contact of the three-station switch, and two ends of the grounding locating plate are respectively and detachably connected with the two grounding locating posts;
the isolating contact alignment tool comprises an isolating locating plate and two isolating locating columns; the isolation positioning column is used for being detachably connected with the isolation connecting hole of the isolation contact mounting part of the three-station switch; the isolation locating plate is used for being clamped into the isolation bayonet of the isolation contact of the three stations, and two ends of the isolation locating plate are detachably connected with the two isolation locating columns respectively.
2. The alignment fixture of claim 1, wherein: the grounding locating plate is provided with a mounting abdication hole corresponding to the grounding perforation of the grounding contact.
3. The alignment fixture of claim 1, wherein: the isolation locating plate is provided with an assembly abdication hole corresponding to the isolation perforation of the isolation contact.
4. The alignment fixture of claim 1, wherein: the first conductor alignment plate is provided with a first viewing aperture.
5. The alignment fixture of claim 1, wherein: the second conductor alignment plate is provided with a second viewing aperture.
6. The method for assembling the three-station switch is characterized by comprising the following steps of: the assembly method uses the alignment fixture as claimed in claim 1, and comprises a conductor assembly installation and alignment step, a moving contact and transmission assembly installation step, a grounding contact assembly preassembling and alignment step, a grounding contact assembly installation step, an isolation contact assembly preassembling and alignment step and an isolation contact assembly installation step;
the conductor assembly mounting and aligning steps are as follows:
the first step, connecting a transition joint with a disc insulator;
secondly, threading a conductor screw through a conductor through hole of the conductor and then screwing the conductor screw with a joint screw hole of the transition joint, wherein the conductor screw is required to be incompletely screwed so that the conductor can rotate and move relative to the transition joint;
thirdly, connecting the disc insulator with the periphery of the conductor assembly fixing hole of the shell through an insulator screw;
a fourth step of extending the conductor alignment part of the first conductor alignment rod of the assembled first conductor alignment fixture into the shell from the transmission component fixing hole, enabling the conductor alignment part to pass through holes on two sides of a conductor bayonet of the conductor, respectively aligning each first alignment plate mounting hole of the first conductor alignment plate with each transmission mounting hole on the periphery of the transmission component fixing hole, connecting the first conductor alignment plate with the periphery of the transmission component fixing hole through screws penetrating through the aligned first alignment plate mounting holes and the transmission mounting holes, and finally rotating the first conductor alignment rod to enable the yielding holes of the alignment part to be aligned with the joint screw holes of the transition joint;
Fifthly, extending an alignment block of the assembled second conductor alignment fixture into the shell from the grounding contact assembly fixing hole, then clamping the alignment block into a conductor bayonet, aligning each second alignment disk mounting hole of the second conductor alignment disk with each grounding mounting hole on the periphery of the grounding contact assembly fixing hole respectively, and finally connecting the second conductor alignment disk with the periphery of the grounding contact assembly fixing hole through screws penetrating through the aligned second alignment disk mounting holes and the grounding mounting holes so as to align the yielding holes of the alignment blocks with the joint screw holes of the transition joint;
a sixth step of tightening the conductor screw by a screw mounting tool passing through the alignment part relief hole and the alignment block relief hole;
seventh, the first conductor alignment tool and the second conductor alignment tool are disassembled;
the moving contact and the transmission assembly are installed in the following steps: after the conductor assembly mounting step is completed, mounting the moving contact and the transmission assembly to the housing so that the moving contact and the transmission assembly are matched with the conductor;
the grounding contact assembly preassembling and aligning steps are as follows:
firstly, a grounding screw is screwed with a contact seat screw hole of a grounding contact seat after passing through a grounding through hole of a grounding contact, and the grounding screw is required to be incompletely screwed so that the grounding contact can rotate and move relative to the grounding contact seat;
Secondly, respectively connecting two grounding positioning columns of the grounding contact alignment tool with two grounding connecting holes of a grounding contact seat, and requiring the installation positions of the two grounding positioning columns to meet the requirement that the two grounding positioning columns can be connected with two ends of a grounding positioning plate of the grounding contact alignment tool;
thirdly, clamping a grounding positioning plate of the grounding contact alignment tool into a grounding bayonet of the grounding contact, and connecting two ends of the grounding positioning plate with two grounding positioning columns respectively;
fourthly, tightening a grounding screw to firmly connect the grounding contact with the grounding contact seat;
fifthly, disassembling the grounding contact alignment tool to obtain a preassembled grounding contact assembly;
the ground contact assembly mounting steps are as follows: after the moving contact and transmission assembly installation step and the grounding contact assembly preassembling and aligning step are completed,
the first step, the moving contact is rotated to a grounding position;
secondly, extending the grounding contact of the pre-assembled grounding contact assembly into the shell from the grounding contact assembly fixing hole, and enabling the moving contact at the grounding position to be clamped into the grounding bayonet of the grounding contact, so that each grounding connecting hole of the grounding contact seat is aligned with each grounding mounting hole along the periphery of the grounding contact assembly fixing hole;
Thirdly, connecting the grounding contact seat with the periphery of the grounding contact assembly fixing hole through a contact seat screw passing through the aligned grounding connecting hole and grounding mounting hole;
the preassembling and aligning steps of the isolating contact assembly are as follows:
firstly, threading an isolation screw through an isolation perforation of an isolation contact to be in threaded connection with a screw hole of a mounting part of the isolation contact, wherein the isolation screw is required to be not fully screwed so that the isolation contact can rotate and move relative to the mounting part of the isolation contact;
secondly, respectively connecting two isolation positioning columns of the isolation contact alignment tool with two isolation connecting holes of an isolation contact mounting part, and requiring the mounting positions of the two isolation positioning columns to meet the requirement that the two isolation positioning columns can be connected with two ends of an isolation positioning plate of the isolation contact alignment tool;
thirdly, clamping an isolation positioning plate of the isolation contact alignment tool into an isolation bayonet of the isolation contact, and connecting two ends of the isolation positioning plate with two isolation positioning columns respectively;
fourthly, tightening the isolation screw to firmly connect the isolation contact with the isolation contact mounting part;
fifthly, disassembling the isolating contact alignment tool to obtain a preassembled isolating contact assembly;
The isolating contact assembly comprises the following mounting steps: after the steps of installing the moving contact and the transmission component and preassembling and aligning the isolation contact component are completed,
the first step, the moving contact is rotated to a closing position;
secondly, extending the isolation contact of the preassembled isolation contact assembly into the shell from the fixing hole of the isolation contact assembly, and clamping the moving contact at the closing position into the isolation contact so as to respectively align each isolation connecting hole of the isolation contact mounting part with each isolation mounting hole along the periphery of the fixing hole of the isolation contact assembly;
and thirdly, connecting the isolation contact mounting part with the isolation contact assembly fixing hole through a mounting part screw penetrating through the aligned isolation connecting hole and the isolation mounting hole.
7. The method of assembly of claim 6, wherein: the grounding locating plate is provided with a mounting abdication hole corresponding to the grounding perforation of the grounding contact;
in the third step of the preassembling and aligning steps of the grounding contact assembly, when the grounding locating plate of the grounding contact aligning tool is clamped into the grounding bayonet of the grounding contact, the mounting abdication hole of the grounding locating plate is aligned with the grounding perforation of the grounding contact;
in the fourth step of the ground contact assembly preassembling and aligning step, the ground screws are tightened by screw installation tools penetrating through the installation relief holes of the ground positioning plates, so that the ground contacts are firmly connected with the ground contact base.
8. The method of assembly of claim 6, wherein: the isolation positioning plate is provided with an assembly abdication hole corresponding to the isolation perforation of the isolation contact;
in the third step of preassembling and aligning the isolation contact assembly, when the isolation positioning plate of the isolation contact alignment tool is clamped into the isolation bayonet of the isolation contact, the assembly abdication hole of the isolation positioning plate is aligned with the isolation perforation of the isolation contact;
in the fourth step of the isolation contact assembly preassembling and aligning step, the isolation screw is screwed down by a screw mounting tool penetrating through the assembly relief hole of the isolation positioning plate, so that the isolation contact is firmly connected with the isolation contact mounting part.
9. The method of assembly of claim 6, wherein: in the moving contact and transmission assembly mounting step, the step of mounting the moving contact and transmission assembly to the housing is:
the method comprises the steps that firstly, a moving contact extends into a conductor bayonet of a conductor, so that a meshing hole of the moving contact is aligned with a through hole of the conductor;
secondly, extending the inner end of a transmission shaft of the assembled transmission assembly into the shell from the fixing hole of the transmission assembly, enabling the inner end of the transmission shaft to penetrate through all through holes of the conductor and the engagement holes of the moving contact, and enabling the engagement holes of the moving contact to be engaged with the inner end of the transmission shaft;
And thirdly, respectively aligning all flange connection holes of the flange plate of the transmission assembly with all transmission mounting holes on the periphery of the fixing hole of the transmission assembly, and connecting the flange plate with the periphery of the fixing hole of the transmission assembly through flange bolts penetrating through the aligned flange connection holes and the transmission mounting holes.
10. The assembly method according to claim 6 or 8 or 9, wherein: the screw mounting tool is an inner hexagonal wrench, and the grounding screw, the isolation screw and the conductor screw are all inner hexagonal screws.
CN202011268849.9A 2020-11-13 2020-11-13 Alignment tool and assembly method of three-station switch Active CN112599375B (en)

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CN203503537U (en) * 2013-10-28 2014-03-26 天安电气集团浙江电气有限公司 Three-position isolation grounding switching device
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WO2018090549A1 (en) * 2016-11-17 2018-05-24 中国南方电网有限责任公司超高压输电公司检修试验中心 Ultra-high-voltage power line disconnector

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