CN108987171B - Insulating pull rod crank arm - Google Patents
Insulating pull rod crank arm Download PDFInfo
- Publication number
- CN108987171B CN108987171B CN201810948968.5A CN201810948968A CN108987171B CN 108987171 B CN108987171 B CN 108987171B CN 201810948968 A CN201810948968 A CN 201810948968A CN 108987171 B CN108987171 B CN 108987171B
- Authority
- CN
- China
- Prior art keywords
- pull rod
- hole
- metal connector
- shaft pin
- connecting base
- 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
Links
- 239000002184 metal Substances 0.000 claims abstract description 43
- 239000004020 conductor Substances 0.000 claims abstract description 35
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 6
- 239000011810 insulating material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/42—Driving mechanisms
Landscapes
- Installation Of Bus-Bars (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The embodiment of the application discloses an insulating pull rod crank arm, which comprises: the conductor connecting base, the connecting shaft pin, the insulating pull rod metal connector, the two tetrafluoro gaskets and the shaft pin fixing screw rod, wherein transverse fixing can be realized among the conductor connecting base, the insulating pull rod metal connector and the connecting shaft pin, and longitudinal fixing can be realized among the conductor connecting base, the connecting shaft pin, the insulating pull rod metal connector and the shaft pin fixing screw rod. By utilizing the embodiment of the application, the fixing shaft pin and the insulating pull rod metal connector can be positioned accurately, are connected and fastened, and can reduce abrasion.
Description
Technical Field
The application relates to the field of GIS equipment, in particular to an insulating pull rod crank arm.
Background
In GAS insulated switchgear (GAS insulated SWITCHGEAR, GIS) equipment, when the equipment is running for a sufficient period of time, there may be a case where the shaft pin of the transmission insulating rod and the metal head of the insulating rod in the insulating rod lever structure are severely worn. Since the structures of these components are in a high voltage electric field, and due to the combined action of poor-contact galvanic corrosion, operational wear and the like, wear is serious, and thus a large amount of metal powder causes discharge short-circuit faults.
Disclosure of Invention
The application aims to solve the technical problem of providing the insulating pull rod crank arm, wherein the fixing shaft pin and the insulating pull rod metal connector are accurately positioned, are connected and fastened, and can reduce abrasion.
In order to solve the above technical problems, an embodiment of the present application provides an insulating pull rod lever, which includes: conductor connection base, connecting axle pin, insulating pull rod metal connector, two tetrafluoro gaskets and axle pin fixing screw rod, wherein:
the conductor connecting base is cylindrical in shape, a longitudinal rectangular movable groove is formed in the conductor connecting base, and a pressure skirt edge extends outwards at the end part of the conductor connecting base, which is positioned at one side of the opening of the movable groove; the other end part of the conductor connecting base is provided with a mounting operation hole which is communicated with the movable groove; the two side walls of the movable groove are provided with first through holes which are communicated;
the insulation pull rod metal connector is divided into two connected sections, wherein the first section is an insulation material connecting end, and the second section is a cylinder with two sliding square surfaces; screw mounting screw holes are formed in the bottom of the column body, and second through holes penetrating through the two sliding square surfaces are formed in the side parts of the column body; the cylinder of the insulating pull rod metal connector is at least partially accommodated in the movable groove;
each tetrafluoro gasket is a gasket with a third through hole and is arranged between the sliding square surface of the insulated pull rod metal connector and one side wall of the movable groove of the conductor connecting base;
the connecting shaft pin is a solid cylindrical pin, a fixing hole is formed in the middle of the cylinder, and the connecting shaft pin is arranged in the first through hole of the conductor connecting base, the third through hole of the tetrafluoro gasket and the second through hole of the insulating pull rod metal connector in a penetrating manner to connect the conductor connecting base with the insulating pull rod metal connector;
the shaft pin fixing screw is arranged in the installation operation hole of the conductor connecting base and is provided with two sections of cylinders which are concentric and have different radiuses; an external thread is arranged on a section of cylinder with a larger radius; and one end of the shaft pin with smaller radius is matched with the fixing hole of the connecting shaft pin in the second through hole, and the external thread of the section of cylinder with larger radius is matched with the screw mounting screw hole on the insulating pull rod metal connector.
Preferably, the insulating material connecting end of the insulating pull rod metal connector is conical in shape as a whole, and a plurality of annular grooves are formed at intervals.
Preferably, the end part of a section of cylinder with a larger radius of the shaft pin fixing screw is provided with a hexagonal hole.
Preferably, the fixing hole on the connecting shaft pin is a blind hole.
The embodiment of the application has the following beneficial effects:
according to the insulating pull rod crank arm, the connecting shaft pin is arranged on the conductor connecting base and the insulating pull rod metal connector in a penetrating manner, so that the connection and the transverse positioning between the connecting shaft pin and the insulating pull rod metal connector can be realized; meanwhile, through the longitudinal connection positioning between the shaft pin fixing screw rod and the conductor connecting base and between the connecting shaft pin, the fixing shaft pin and the insulating pull rod metal connector can be accurately positioned and fixed in two directions, so that the fixing shaft pin and the insulating pull rod metal connector can be accurately positioned, connected and fastened, abrasion can be reduced, and potential safety hazards are reduced.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an assembled insulating pull rod lever;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic view of the structure of the conductor connection base of FIG. 2;
FIG. 4 is a schematic view of the insulated pull rod metal connector of FIG. 2;
FIG. 5 is a schematic view of the connecting pin of FIG. 2;
fig. 6 is a schematic view of the structure of the pin set screw of fig. 2.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted here that, in order to avoid obscuring the present application due to unnecessary details, only structures and/or processing steps closely related to the solution according to the present application are shown in the drawings, while other details not greatly related to the present application are omitted.
Fig. 1 is a schematic diagram showing an assembled structure of an insulating pull rod lever according to the present application, and fig. 2 to 6 are combined together. In the embodiment, the insulation pull rod crank arm comprises a conductor connecting base 1, an insulation pull rod metal connector 2, two tetrafluoro gaskets 3, a connecting shaft pin 4 and a shaft pin fixing screw 5, wherein:
the conductor connecting base 1 is cylindrical in shape as a whole and is provided with a longitudinal rectangular movable groove 11, and the end part of the conductor connecting base 1, which is positioned at one side of the opening of the movable groove 10, is outwards extended with a pressure skirt 10; the other end part of the base of the conductor connection 1 is provided with a mounting operation hole 13, and the mounting operation hole 13 is communicated with the movable groove 11; first through holes 12 which are communicated with each other are arranged on two side walls of the movable groove 11;
the insulated pull rod metal connector 2 is divided into two connected sections, wherein the first section is an insulating material connecting end 21, and the second section is a cylinder with two sliding square surfaces 20; screw mounting screw holes 23 are formed in the bottom of the column, and second through holes 22 penetrating the two sliding square surfaces 20 are formed in the side of the column; the cylinder of the insulating pull rod metal connector 2 is at least partially accommodated in the movable groove 11;
each tetrafluoro gasket 3 is a gasket with a third through hole 30, which is disposed between the sliding square surface 20 of the insulated pull rod metal connector 2 and one side wall of the movable groove 11 of the conductor connecting base 1, so as to prevent the insulated pull rod metal connector 2 from moving laterally on the conductor connecting base 1;
the connecting shaft pin 4 is a solid cylindrical pin, and a fixing hole 40 is arranged in the middle of the cylinder, and in one example, the fixing hole 40 is a blind hole; the connecting shaft pin 4 is arranged in the first through hole 12 of the conductor connecting base 1, the third through hole 30 of the tetrafluoro gasket 3 and the second through hole 22 of the insulating pull rod metal connector 2 in a penetrating way, and is used for connecting the conductor connecting base 1 with the insulating pull rod metal connector 2;
the shaft pin fixing screw 5 is arranged in the installation operation hole 13 of the conductor connecting base 1 and is provided with two sections of cylinders which are concentric and have different radiuses; an external thread 51 is arranged on a section of cylinder with a larger radius; the smaller radius end 50 of the shaft pin fixing screw is matched with the fixing hole 40 of the connecting shaft pin 4 in the second through hole 22, and the larger radius external thread 51 of the section of cylinder is matched with the screw mounting screw hole 23 of the insulating pull rod metal connector 2. It can be understood that the fixing shaft pin 4 and the insulation pull rod metal connector 2 can be fastened through the screw structure, so that poor contact and loosening of the fixing shaft pin 4 and the insulation pull rod metal connector 2 are prevented.
Wherein, the insulating material connecting end 21 of the insulating pull rod metal connector 2 is conical in shape as a whole and is provided with a plurality of annular grooves 210 at intervals.
The end part of a section of cylinder with larger radius of the shaft pin fixing screw 5 is provided with a hexagonal hole 52 for matching with a hexagonal screw.
The embodiment of the application has the following beneficial effects:
according to the insulating pull rod crank arm, the connecting shaft pin is arranged on the conductor connecting base and the insulating pull rod metal connector in a penetrating manner, so that the connection and the transverse positioning between the connecting shaft pin and the insulating pull rod metal connector can be realized; meanwhile, through the longitudinal connection positioning between the shaft pin fixing screw rod and the conductor connecting base and between the connecting shaft pin, the fixing shaft pin and the insulating pull rod metal connector can be accurately positioned and fixed in two directions, so that the fixing shaft pin and the insulating pull rod metal connector can be accurately positioned, connected and fastened, abrasion can be reduced, and potential safety hazards are reduced.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is merely illustrative of the embodiments of this application and it will be appreciated by those skilled in the art that variations and modifications may be made without departing from the principles of the application, and it is intended to cover all modifications and variations as fall within the scope of the application.
Claims (4)
1. An insulated pull rod lever, comprising: conductor connection base, connecting axle pin, insulating pull rod metal connector, two tetrafluoro gaskets and axle pin fixing screw rod, wherein:
the conductor connecting base is cylindrical in shape, a longitudinal rectangular movable groove is formed in the conductor connecting base, and a pressure skirt edge extends outwards at the end part of the conductor connecting base, which is positioned at one side of the opening of the movable groove; the other end part of the conductor connecting base is provided with a mounting operation hole which is communicated with the movable groove; the two side walls of the movable groove are provided with first through holes which are communicated;
the insulation pull rod metal connector is divided into two connected sections, wherein the first section is an insulation material connecting end, and the second section is a cylinder with two sliding square surfaces; screw mounting screw holes are formed in the bottom of the column body, and second through holes penetrating through the two sliding square surfaces are formed in the side parts of the column body; the cylinder of the insulating pull rod metal connector is at least partially accommodated in the movable groove;
each tetrafluoro gasket is a gasket with a third through hole and is arranged between the sliding square surface of the insulated pull rod metal connector and one side wall of the movable groove of the conductor connecting base;
the connecting shaft pin is a solid cylindrical pin, a fixing hole is formed in the middle of the cylinder, and the connecting shaft pin is arranged in the first through hole of the conductor connecting base, the third through hole of the tetrafluoro gasket and the second through hole of the insulating pull rod metal connector in a penetrating manner to connect the conductor connecting base with the insulating pull rod metal connector;
the shaft pin fixing screw is arranged in the installation operation hole of the conductor connecting base and is provided with two sections of concentric cylinders with different radiuses; an external thread is arranged on a section of cylinder with a larger radius; and one end of the shaft pin with smaller radius is matched with the fixing hole of the connecting shaft pin in the second through hole, and the external thread of the section of cylinder with larger radius is matched with the screw mounting screw hole on the insulating pull rod metal connector.
2. The insulated pull rod lever arm of claim 1, wherein the insulated material connection end of the insulated pull rod metal connector is generally conical and is provided with a plurality of annular grooves at intervals.
3. The insulated pull rod lever of claim 2, wherein the end of a section of cylinder with a larger radius of the pin fixing screw is provided with a hexagonal hole.
4. The insulated pull rod lever of claim 3, wherein the securing hole on the connecting pin is a blind hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948968.5A CN108987171B (en) | 2018-08-20 | 2018-08-20 | Insulating pull rod crank arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810948968.5A CN108987171B (en) | 2018-08-20 | 2018-08-20 | Insulating pull rod crank arm |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108987171A CN108987171A (en) | 2018-12-11 |
| CN108987171B true CN108987171B (en) | 2023-08-22 |
Family
ID=64554378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810948968.5A Active CN108987171B (en) | 2018-08-20 | 2018-08-20 | Insulating pull rod crank arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108987171B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB632052A (en) * | 1948-01-21 | 1949-11-15 | British Insulated Callenders | Improvements in two part couplings for releasably connecting electric cables together or to associated apparatus |
| CN206076066U (en) * | 2016-10-24 | 2017-04-05 | 浙江人民电器有限公司 | A kind of insulated tension pole component of chopper |
| CN106710959A (en) * | 2017-02-10 | 2017-05-24 | 平高集团有限公司 | Circuit breaker and main shaft transmission structure thereof |
-
2018
- 2018-08-20 CN CN201810948968.5A patent/CN108987171B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB632052A (en) * | 1948-01-21 | 1949-11-15 | British Insulated Callenders | Improvements in two part couplings for releasably connecting electric cables together or to associated apparatus |
| CN206076066U (en) * | 2016-10-24 | 2017-04-05 | 浙江人民电器有限公司 | A kind of insulated tension pole component of chopper |
| CN106710959A (en) * | 2017-02-10 | 2017-05-24 | 平高集团有限公司 | Circuit breaker and main shaft transmission structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108987171A (en) | 2018-12-11 |
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