CN109961979B - Isolating switch and contact assembly thereof - Google Patents

Isolating switch and contact assembly thereof Download PDF

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Publication number
CN109961979B
CN109961979B CN201711425239.3A CN201711425239A CN109961979B CN 109961979 B CN109961979 B CN 109961979B CN 201711425239 A CN201711425239 A CN 201711425239A CN 109961979 B CN109961979 B CN 109961979B
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CN
China
Prior art keywords
guide bar
supporting arm
adjusting
spring support
contact
Prior art date
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.)
Active
Application number
CN201711425239.3A
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Chinese (zh)
Other versions
CN109961979A (en
Inventor
李宇鹏
李宏楼
王淑娟
王占杰
齐凯
孙玉洲
牛哲荟
杜纪伟
武文燕
庞建
代畅
张九霞
朱承治
吴伟
贾玉方
程祥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Pinggao Group Co Ltd
Henan Pinggao Electric Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Pinggao Group Co Ltd
Henan Pinggao Electric 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.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Pinggao Group Co Ltd, Henan Pinggao Electric Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711425239.3A priority Critical patent/CN109961979B/en
Publication of CN109961979A publication Critical patent/CN109961979A/en
Application granted granted Critical
Publication of CN109961979B publication Critical patent/CN109961979B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC 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
    • H01BASIC ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H31/00Air-break switches for high tension without arc-extinguishing or arc-preventing means
    • H01H31/02Details
    • H01H31/026Movable parts and contacts mounted thereon

Abstract

The invention relates to an isolating switch and a contact assembly thereof. Isolator includes contact assembly, contact assembly includes the contact tube and sets up the guide bar in the contact tube, still be equipped with spring bracket in the contact tube, the guide bar direction assembly is on spring bracket, and spring bracket extends along the axial of guide bar, and spring bracket's one end and contact tube fixed connection and form stiff end, another end and form the overhang end, the overhang end department of spring bracket is equipped with the distance through adjustment guide bar and contact tube so that guide bar and the coaxial adjustment structure of contact tube. The spring support only has a fixed end fixed on the conductive tube, the overhanging end of the spring support is a movable end, and the guide rod can be driven to generate deviation in the radial direction through the adjusting structure so as to compensate the manufacturing tolerance and installation error of a workpiece to enable the guide rod and the conductive tube to keep coaxial and further enable the dustproof cover and the contact finger to be coaxial, so that the dustproof cover is prevented from generating clamping stagnation with the contact finger during axial movement, and the opening and closing performance of the isolating switch is ensured.

Description

Isolating switch and contact assembly thereof
Technical Field
The invention relates to an isolating switch and a contact assembly thereof.
Background
The isolating switch is a switch component used for isolating a power supply and connecting and cutting off a current circuit, and can reliably isolate a part needing power failure from a charged part in a high-voltage distribution device so as to ensure the safety of maintenance work. The plug-in isolating switch has wide application in the current power grid circuit, and when the plug-in isolating switch is in a switching-off state, a contact part is easy to enter dust and moisture and is attached to the surface of a conductive contact finger to influence the switching-on resistance of the isolating switch, so that a dustproof device is arranged in the contact of the plug-in isolating switch.
The invention discloses a disconnecting switch, which is disclosed in the Chinese patent with the publication number of CN104319157B and publication date of 2016.08.24. The isolating switch comprises a moving contact, wherein the moving contact comprises a conductive tube, a moving main contact and a moving arc contact, the moving main contact is formed by contact fingers which are fixed in the conductive tube and are distributed along the circumferential direction of the conductive tube in an annular mode, the moving arc contact is a contact rod (namely a guide rod) which is movably arranged in an inner ring of each contact finger in a penetrating mode and extends forwards and backwards, an arc guiding disc (namely a dustproof cover) is arranged at the front end of the contact rod, a guide rod section which is arranged behind the contact fingers and movably assembled on a guide frame in a front-back guiding mode is arranged at the rear end of the contact rod, the guide frame is fixed on the conductive tube, the guide frame is provided with a front support arm and a rear support arm which are arranged behind the guide rod section and penetrate through the guide rod section and are spaced forwards and backwards, a stopping convex shoulder which is stopped by the front support wall is arranged.
When the moving contact and the static contact of the isolating switch are switched on, the static contact pushes the dust cover to move backwards, the guide rod pushes the reset spring to enable the reset spring to store energy, when the moving contact and the static contact of the isolating switch are switched off, the moving contact withdraws from the static contact, the dust cover moves to the outer end face of the contact finger under the action of the reset spring, a closed space is formed in the moving contact assembly, and dust and moisture are prevented from entering the moving contact to influence the switching-on resistance of the isolating switch.
However, due to the influence of installation errors and manufacturing tolerances of assembly workpieces, the axis of the guide rod can deviate from the theoretical axis, so that the axis of the guide rod is not on the same straight line with the axis of the conductive tube, the contact finger and the conductive tube are coaxially arranged, and the dustproof cover and the guide rod are coaxially arranged, so that when the isolating switch is switched on and switched off, the dustproof cover can be clamped with the contact finger when the dustproof cover axially moves, the contact assembly is damaged, and the isolating switch can not be switched on and off to influence the working performance of the isolating switch in serious cases.
Disclosure of Invention
The invention aims to provide a contact assembly capable of adjusting the coaxiality of a guide rod and a conductive tube; the invention also provides a disconnecting switch using the contact assembly.
In order to solve the technical problems, the technical scheme of the isolating switch is as follows:
scheme 1: the utility model provides an isolating switch, includes contact assembly, contact assembly includes the contact tube and sets up the guide bar in the contact tube, still be equipped with spring bracket in the contact tube, the guide bar direction assembly is on spring bracket, and spring bracket extends along the axial of guide bar, and spring bracket's one end and contact tube fixed connection and form stiff end, another end and form the overhang end, spring bracket's overhang end department is equipped with the distance through adjustment guide bar and contact tube so that guide bar and the coaxial adjustment structure of contact tube.
The technical scheme has the beneficial effects that: the spring support only has a fixed end fixed on the conductive tube, the overhanging end of the spring support is a movable end, and the guide rod can be driven to generate deviation in the radial direction through the adjusting structure so as to compensate the manufacturing tolerance and installation error of a workpiece to enable the guide rod and the conductive tube to keep coaxial and further enable the dustproof cover and the contact finger to be coaxial, so that the dustproof cover is prevented from generating clamping stagnation with the contact finger during axial movement, and the opening and closing performance of the isolating switch is ensured.
Scheme 2: according to the isolating switch in the scheme 1, the adjusting structure comprises an adjusting disc sleeved on the guide rod and an adjusting piece assembled on the conductive tube and used for adjusting the axis of the adjusting disc. The adjusting piece drives the adjusting disc to deflect so as to drive the guide rod to generate radial deflection without influencing the axial movement of the guide rod, and the adjusting disc is simple in structure and convenient to manufacture.
Scheme 3: according to scheme 2 isolator, the adjusting part be adjusting screw, be equipped with on the adjustment dish with the screw hole of adjusting screw adaptation, be equipped with on the electric conduction tube along the bar hole that is used for making adjusting screw circumference skew on the electric conduction tube of electric conduction tube circumference extension. The axis of the adjusting disc is adjusted by the depth of the adjusting screw inserted into the threaded hole, the strip-shaped holes provide yielding space for the adjusting screw, and the adjusting disc is simple in structure and convenient to operate.
Scheme 4: according to scheme 3, the isolating switch, spring bracket is the U type, and spring bracket has the preceding supporting arm and the back supporting arm with the axial vertically of guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, preceding supporting arm is through bending otic placode and contact tube fixed connection. The U-shaped spring support guides the guide rod through the guide hole, is simple to manufacture, and is convenient for installing the return spring on the spring support.
Scheme 5: according to the isolating switch in the scheme 4, the bending ear plates of the spring support are fixedly connected with the conductive tube through fastening screws, and one or at least two fastening screws are distributed along the direction perpendicular to the axial direction of the guide rod. The spring support forms the fulcrum in fastening screw department of screwing, and when the adjusting disc moved in the radial direction of conducting tube, the conducting rod was seesawed motion with the fulcrum of spring support, compares fastening screw and distributes along the guide bar axial, and the resistance that receives when having reduced the distance between adjusting structure adjustment guide bar and the conducting tube.
Scheme 6: according to the isolating switch in the scheme 4, the rear supporting arm of the spring support is fixedly connected with the adjusting plate. The rear supporting arm of the spring support and the adjusting structure are integrated, so that stable support is guaranteed when the guide rod moves axially.
Scheme 7: according to scheme 1 or 2 isolator, spring bracket is the U type, spring bracket have with the axial vertically preceding supporting arm and the back supporting arm of guide bar, be equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, preceding supporting arm is through bending otic placode and contact tube fixed connection. The U-shaped spring support guides the guide rod through the guide hole, is simple to manufacture, and is convenient for installing the return spring on the spring support.
Scheme 8: the disconnecting switch according to any of the claims 1-3, wherein the overhanging end of the spring bracket is fixedly connected with the adjusting structure. The overhanging end of the spring support is fixedly connected with the adjusting structure, and when the axis of the dust cover is adjusted by the adjusting structure, the overhanging end of the spring support is fixed with the adjusting structure, so that the overhanging end of the spring support and the adjusting structure are integrated, and the stable support is ensured when the guide rod moves axially.
The technical scheme of the contact assembly of the invention is as follows:
scheme 1: the utility model provides a contact assembly, includes the contact tube and sets up the guide bar in the contact tube, still be equipped with spring bracket in the contact tube, the guide bar direction assembly is on spring bracket, and spring bracket extends along the axial of guide bar, and spring bracket's one end and contact tube fixed connection and form stiff end, another end and form the overhang end, spring bracket's overhang end department is equipped with the distance through adjustment guide bar and contact tube so that guide bar and the coaxial adjustment structure of contact tube.
The technical scheme has the beneficial effects that: the spring support only has a fixed end fixed on the conductive tube, the overhanging end of the spring support is a movable end, and the guide rod can be driven to generate deviation in the radial direction through the adjusting structure so as to compensate the manufacturing tolerance and installation error of a workpiece to enable the guide rod and the conductive tube to keep coaxial and further enable the dustproof cover and the contact finger to be coaxial, so that the dustproof cover is prevented from generating clamping stagnation with the contact finger during axial movement, and the opening and closing performance of the isolating switch is ensured.
Scheme 2: according to the contact assembly in the scheme 1, the adjusting structure comprises an adjusting disc sleeved on the guide rod and an adjusting piece assembled on the conductive tube and used for adjusting the axis of the adjusting disc. The adjusting piece drives the adjusting disc to deflect so as to drive the guide rod to generate radial deflection without influencing the axial movement of the guide rod, and the adjusting disc is simple in structure and convenient to manufacture.
Scheme 3: according to scheme 2 the contact subassembly, the adjusting part be adjusting screw, be equipped with on the adjustment dish with the screw hole of adjusting screw adaptation, be equipped with on the electric conduction tube along the bar hole that is used for making adjusting screw circumference skew on the electric conduction tube of electric conduction tube circumference extension. The axis of the adjusting disc is adjusted by the depth of the adjusting screw inserted into the threaded hole, the strip-shaped holes provide yielding space for the adjusting screw, and the adjusting disc is simple in structure and convenient to operate.
Scheme 4: according to scheme 3 the contact subassembly, spring bracket is the U type, and spring bracket has the axial vertically preceding supporting arm and the back supporting arm with the guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, preceding supporting arm is through bending otic placode and contact tube fixed connection. The U-shaped spring support guides the guide rod through the guide hole, is simple to manufacture, and is convenient for installing the return spring on the spring support.
Scheme 5: according to the contact assembly in the scheme 4, the bent ear plates of the spring support are fixedly connected with the conductive tube through fastening screws, and one or at least two fastening screws are distributed along the direction perpendicular to the axial direction of the guide rod. The spring support forms the fulcrum in fastening screw department of screwing, and when the adjusting disc moved in the radial direction of conducting tube, the conducting rod was seesawed motion with the fulcrum of spring support, compares fastening screw and distributes along the guide bar axial, and the resistance that receives when having reduced the distance between adjusting structure adjustment guide bar and the conducting tube.
Scheme 6: according to the contact assembly in the scheme 4, the rear supporting arm of the spring support is fixedly connected with the adjusting plate. The rear supporting arm of the spring support and the adjusting structure are integrated, so that stable support is guaranteed when the guide rod moves axially.
Scheme 7: according to scheme 1 or 2 the contact subassembly, spring bracket is the U type, spring bracket have with the axial vertically preceding supporting arm and the back supporting arm of guide bar, be equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, preceding supporting arm is through bending otic placode and contact tube fixed connection. The U-shaped spring support guides the guide rod through the guide hole, is simple to manufacture, and is convenient for installing the return spring on the spring support.
Scheme 8: the contact assembly according to any of claims 1-3, wherein the cantilevered end of the spring support is fixedly connected to the adjustment structure. The overhanging end of the spring support is fixedly connected with the adjusting structure, and when the axis of the dust cover is adjusted by the adjusting structure, the overhanging end of the spring support is fixed with the adjusting structure, so that the overhanging end of the spring support and the adjusting structure are integrated, and the stable support is ensured when the guide rod moves axially.
Drawings
Fig. 1 is a schematic structural view of a contact assembly of the disconnector of the invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic structural diagram of the adjustment plate;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 6 is a schematic view of the spring support;
FIG. 7 is a cross-sectional view of the spring holder of FIG. 6;
FIG. 8 is a schematic view of the operation of the contact assembly of the disconnector for adjustment up and down according to the invention;
FIG. 9 is a schematic diagram of the operation of the side-to-side adjustment of the contact assembly of the disconnector of the present invention;
fig. 10 is a schematic diagram of the operation of adjusting the contact assembly of the disconnector in the up-down and left-right directions.
The respective symbols in the figure: 1. a dust cover; 2. a contact finger; 3. a guide bar; 4. a spring support; 5. a return spring; 6. a conductive tube; 7. a blocking sleeve; 8. fastening screws; 9. a strip-shaped hole; 10. adjusting the screw; 11. adjusting the disc; 12. a threaded hole; 41. a front support arm; 42. a rear support arm; 43. a guide hole; 44. and bending the lug plate.
Detailed Description
Embodiment 1 of the disconnector of the present invention is shown in fig. 1 to 10, and comprises a contact assembly, wherein the contact assembly comprises a conductive tube 6 and a guide rod 3 arranged in the conductive tube 6, a spring support 4 extending along the axial direction of the guide rod 3 is further arranged in the conductive tube, and the guide rod 3 is guided and assembled on the spring support 4. Contact finger 2 is fixedly installed in one of them port of electric conduction pipe 6 through the bolt, and guide bar 3 has the dress of wearing to touch the contact section in finger 2 and be located and touch the guide arm section of indicating outside, and the front end of the contact section of guide bar 3 is coaxial to be equipped with shield 1, touches and indicates 2 and electric conduction pipe 6 coaxial arrangement, and shield 1 and guide bar 3 coaxial arrangement. In this embodiment, the side of the conductive tube 6 close to the contact finger 2 is the front side, and the side of the conductive tube 6 far from the contact finger 2 is the rear side.
The spring support 4 is a suspension-extension type support, one end of the spring support 4 close to the contact finger forms a fixed end fixed on the conductive tube 6, and the other end forms a suspension-extension end sleeved on the guide rod. The spring support 4 is integrally U-shaped, the spring support 4 is provided with a front support arm 41 and a rear support arm 42 which are perpendicular to the axial direction of the guide rod, guide holes 43 for the guide rod 3 to pass through are formed in the front support arm 41 and the rear support arm 42, a bending lug plate 44 for being fixedly connected with the conductive tube 6 is further arranged on the front support arm of the spring support 4, the bending lug plate 44 and the front support arm 41 form a fixed end of the spring support 4, and the rear support arm 42 forms a suspension end of the spring support 4. The bending lugs 44 are fixedly connected with the conductive tube 6 through fastening screws 8, the fastening screws 8 are distributed along the axial direction perpendicular to the guide rod 3, only one fastening screw 8 is arranged in the embodiment, and in other embodiments, the fastening screws 8 on the bending lugs 44 can be at least two and distributed along the axial direction perpendicular to the guide rod 3, or a plurality of fastening screws 8 can be distributed along the axial direction of the guide rod 3. The guide rod 3 is provided with a shaft shoulder which is positioned between the front supporting arm 41 and the rear supporting arm 42 of the spring support 4, a blocking sleeve 7 is further arranged between the shaft shoulder on the guide rod 3 and the rear supporting arm 42 of the spring support 4, the blocking sleeve 7 is sleeved on the guide rod 3, and a reset spring 5 is arranged between the shaft shoulder of the guide rod 3 and the blocking sleeve 7 in a jacking and pressing mode.
The contact assembly is provided with an adjusting structure which enables the guide rod 3 and the conductive tube 6 to be coaxial by adjusting the distance between the guide rod 3 and the conductive tube 6 at the overhanging end of the spring support 4, in this embodiment, the adjusting structure comprises an adjusting disk 11 sleeved on the guide rod 3 and an adjusting screw 10 fixed on the conductive tube 6 for adjusting the axis of the adjusting disk 11, the rear supporting arm 42 of the spring bracket 4 is fixedly connected with the side surface of the adjusting disk 11 through a screw, the peripheral surface of the adjusting disk 11 is provided with a threaded hole 12 adapted to the adjusting screw 10, the conductive tube 6 is provided with a strip-shaped hole 9 extending along the circumferential direction of the conductive tube, the axial line of the adjusting disc is deviated by controlling the length of the adjusting screw 10 screwed into the threaded hole 12, the adjusting screw 10 deviates along the circumferential direction of the conductive tube in the strip-shaped hole 9 to drive the axial line of the guide rod 3 to deviate, so that the dust cap 1 at the front side of the guide rod 3 is deviated in the opposite direction and is kept coaxial with the contact finger 2 at the end of the conductive tube 6.
The schematic diagram of the isolating switch during operation is as shown in fig. 8 to 10, after the contact assembly of the isolating switch is assembled, the coaxiality of the dust cover 1 and the contact finger 2 is detected, and if the axial lines of the dust cover 1 and the contact finger 2 deviate in the up-down direction, the assembling length of the adjusting screw 10 and the threaded hole 12 in the up-down direction is adjusted, so that the adjusting disc 11 deviates in the up-down direction to enable the guide rod 3 and the conductive pipe 6 to be coaxial, and further enable the axial line of the dust cover 1 and the axial line of the contact finger 2 to be on the same straight line; if the axis of the dustproof cover 1 and the axis of the contact finger 2 deviate in the left-right direction, the assembly length of an adjusting screw 10 and a threaded hole 12 in the left-right direction is adjusted, so that an adjusting disc 11 deviates in the left-right direction to enable the guide rod 3 and the conductive tube 6 to be coaxial, and further enable the axis of the dustproof cover 1 and the axis of the contact finger 2 to be on the same straight line; if the axes of the dust cover 1 and the contact finger 2 are deviated in the vertical and horizontal directions, the adjusting screws in the vertical and horizontal directions can be adjusted at the same time.
Embodiment 2 of the disconnecting switch of the present invention is different from embodiment 1 in that: in embodiment 1, the overhanging end of the spring bracket is fixedly connected with the adjusting disk, in this embodiment, a screw between the overhanging end of the spring bracket and the adjusting disk can be omitted, and the overhanging end of the spring bracket is only sleeved on the guide rod.
Embodiment 3 of the disconnecting switch of the present invention is different from embodiment 1 in that: in the embodiment 1, the adjusting member is an adjusting screw, in this embodiment, a threaded hole on the adjusting disk may also be omitted, the adjusting member is a jackscrew, the jackscrew is in press fit with the adjusting disk, and the axis of the adjusting disk is adjusted by adjusting the distance that the jackscrew extends into the conductive tube.
Embodiment 4 of the disconnecting switch of the present invention is different from embodiment 1 in that: the adjusting structure comprises an arc-shaped slip and an adjusting screw, wherein the arc-shaped slip is arranged around the circumferential direction of the guide rod, the adjusting screw is assembled on the conductive tube, one end of the adjusting screw is connected with the arc-shaped slip, the distance between the arc-shaped slip and the guide rod is changed by changing the length of the adjusting screw in the conductive tube, so that the axis of the guide rod deviates, and the guide rod drives the dustproof cover to be coaxial with the contact finger.
The invention also provides an embodiment of a contact assembly, the specific structure of which is the same as that of the contact assembly of the isolating switch, and the detailed description is omitted here.

Claims (14)

1. A disconnecting switch comprises a contact assembly, wherein the contact assembly comprises a conductive pipe and a guide rod arranged in the conductive pipe, and is characterized in that: still be equipped with spring bracket in the conducting tube, the guide bar direction assembly is on spring bracket, and spring bracket extends along the axial of guide bar, and spring bracket's one end and conducting tube fixed connection and form stiff end, another end and form the overhang end, spring bracket's overhang end department is equipped with the distance through adjustment guide bar and conducting tube so that guide bar and the coaxial adjustment structure of conducting tube, the adjustment structure is established the adjustment dish on the guide bar and is used for adjusting the adjustment piece of dish axis on the conducting tube including the cover.
2. The isolating switch of claim 1, wherein: the adjusting piece is an adjusting screw, the adjusting disc is provided with a threaded hole matched with the adjusting screw, and the conductive tube is provided with a strip-shaped hole which extends along the circumferential direction of the conductive tube and is used for enabling the adjusting screw to shift on the conductive tube in the circumferential direction.
3. The disconnector of claim 2, wherein: the spring support is U-shaped, and the spring support has the preceding supporting arm and the back supporting arm with the axial vertically of guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, and preceding supporting arm is through ear plate and the current-conducting tube fixed connection of bending.
4. A disconnector according to claim 3, characterized in that: the bending ear plates of the spring support are fixedly connected with the conductive tube through fastening screws, and one or at least two fastening screws are distributed along the direction vertical to the axial direction of the guide rod.
5. A disconnector according to claim 3, characterized in that: and the rear supporting arm of the spring support is fixedly connected with the adjusting plate.
6. The isolating switch of claim 1, wherein: the spring support is U-shaped, and the spring support has the preceding supporting arm and the back supporting arm with the axial vertically of guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, and preceding supporting arm is through ear plate and the current-conducting tube fixed connection of bending.
7. A disconnector according to claim 1 or 2, characterized in that: and the overhanging end of the spring support is fixedly connected with the adjusting structure.
8. A contact assembly, includes the stand pipe and sets up the guide bar in the stand pipe, its characterized in that: still be equipped with spring bracket in the conducting tube, the guide bar direction assembly is on spring bracket, and spring bracket extends along the axial of guide bar, and spring bracket's one end and conducting tube fixed connection and form stiff end, another end and form the overhang end, spring bracket's overhang end department is equipped with the distance through adjustment guide bar and conducting tube so that guide bar and the coaxial adjustment structure of conducting tube, the adjustment structure is established the adjustment dish on the guide bar and is used for adjusting the adjustment piece of dish axis on the conducting tube including the cover.
9. The contact assembly of claim 8, wherein: the adjusting piece is an adjusting screw, the adjusting disc is provided with a threaded hole matched with the adjusting screw, and the conductive tube is provided with a strip-shaped hole which extends along the circumferential direction of the conductive tube and is used for enabling the adjusting screw to shift on the conductive tube in the circumferential direction.
10. The contact assembly of claim 9, wherein: the spring support is U-shaped, and the spring support has the preceding supporting arm and the back supporting arm with the axial vertically of guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, and preceding supporting arm is through ear plate and the current-conducting tube fixed connection of bending.
11. The contact assembly of claim 10, wherein: the bending ear plates of the spring support are fixedly connected with the conductive tube through fastening screws, and one or at least two fastening screws are distributed along the direction vertical to the axial direction of the guide rod.
12. The contact assembly of claim 10, wherein: and the rear supporting arm of the spring support is fixedly connected with the adjusting plate.
13. The contact assembly of claim 8, wherein: the spring support is U-shaped, and the spring support has the preceding supporting arm and the back supporting arm with the axial vertically of guide bar, is equipped with the guiding hole that supplies the guide bar to pass on preceding supporting arm and the back supporting arm, and preceding supporting arm is through ear plate and the current-conducting tube fixed connection of bending.
14. The contact assembly of claim 8 or 9, wherein: and the overhanging end of the spring support is fixedly connected with the adjusting structure.
CN201711425239.3A 2017-12-25 2017-12-25 Isolating switch and contact assembly thereof Active CN109961979B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711425239.3A CN109961979B (en) 2017-12-25 2017-12-25 Isolating switch and contact assembly thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711425239.3A CN109961979B (en) 2017-12-25 2017-12-25 Isolating switch and contact assembly thereof

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Publication Number Publication Date
CN109961979A CN109961979A (en) 2019-07-02
CN109961979B true CN109961979B (en) 2020-10-13

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108511253B (en) * 2018-04-10 2020-02-21 河南平高电气股份有限公司 Moving contact assembly, disconnecting link and isolating switch

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CN201465836U (en) * 2009-04-27 2010-05-12 河南平高电气股份有限公司 High-voltage circuit breaker
CN201608445U (en) * 2009-11-20 2010-10-13 河南省电力公司驻马店供电公司 Installation adjusting device of isolating switch mechanism
CN201859806U (en) * 2010-10-08 2011-06-08 山东泰开高压开关有限公司 Shielding device for static contact seat of tank breaker
CN104103438A (en) * 2014-06-25 2014-10-15 中国西电电气股份有限公司 Device for carrying, adjusting, positioning and fastening for isolation switch during assembly
CN104319157A (en) * 2014-11-20 2015-01-28 河南平高电气股份有限公司 Isolating switch

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Publication number Priority date Publication date Assignee Title
JP3876357B2 (en) * 2002-01-09 2007-01-31 株式会社日立製作所 Gas circuit breaker

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201465836U (en) * 2009-04-27 2010-05-12 河南平高电气股份有限公司 High-voltage circuit breaker
CN201608445U (en) * 2009-11-20 2010-10-13 河南省电力公司驻马店供电公司 Installation adjusting device of isolating switch mechanism
CN201859806U (en) * 2010-10-08 2011-06-08 山东泰开高压开关有限公司 Shielding device for static contact seat of tank breaker
CN104103438A (en) * 2014-06-25 2014-10-15 中国西电电气股份有限公司 Device for carrying, adjusting, positioning and fastening for isolation switch during assembly
CN104319157A (en) * 2014-11-20 2015-01-28 河南平高电气股份有限公司 Isolating switch

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