CN111192786B - Side-placing pole - Google Patents
Side-placing pole Download PDFInfo
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- CN111192786B CN111192786B CN201911408776.6A CN201911408776A CN111192786B CN 111192786 B CN111192786 B CN 111192786B CN 201911408776 A CN201911408776 A CN 201911408776A CN 111192786 B CN111192786 B CN 111192786B
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- sliding support
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
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- 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
-
- 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
- H01H33/46—Interlocking mechanisms
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- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/664—Contacts; Arc-extinguishing means, e.g. arcing rings
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- Gas-Insulated Switchgears (AREA)
Abstract
The invention provides a side-placing pole, which comprises a pole shell, a vacuum arc-extinguishing chamber arranged in the pole shell and an electric connection part connected with a movable end of the vacuum arc-extinguishing chamber, wherein the pole shell is provided with a first sliding support structure which is horizontally arranged in a side-placing state of the side-placing pole, the electric connection part is provided with a second sliding support structure in sliding fit with the first sliding support structure, the electric connection part is matched with the first sliding support structure of the pole shell through the second sliding support structure to realize sliding and supporting in the horizontal direction, so that the electric connection part is not influenced by gravity to droop, devices such as the electric connection part, an arc-extinguishing chamber moving contact conducting rod and the like can be kept horizontal, a guide sleeve of the arc-extinguishing chamber and a conducting rod of the arc-extinguishing chamber are not easy to generate friction, and switching action is smooth and not easy to clamp.
Description
The patent application of the present invention requires priority, and the prior application on which the priority is based is a chinese utility model patent application entitled "a side-placing pole" and having application number 201921233352.6.
Technical Field
The invention relates to the field of circuit breakers, in particular to a side-placed pole which is smooth in opening and closing actions and not prone to clamping stagnation.
Background
The solid-sealed pole is formed by simultaneously embedding the vacuum arc-extinguishing chamber and the related conductive parts of the circuit breaker into easy-curing solid insulating materials such as epoxy resin, so that the whole circuit breaker pole is an integral component.
The conventional vacuum circuit breaker embedded pole is usually vertically placed, namely vertically placed, and the movable end and the static end of a vacuum arc extinguish chamber are in the same vertical direction, wherein the static end is generally upward and the movable end is downward; however, in the prior art, there are also polar columns which are placed laterally, i.e. the movable end and the static end of the vacuum arc-extinguishing chamber are in the same horizontal direction, such as (SF)6) The side placement of the solid-sealed polar pole in the gas-filled cabinet; this side is put utmost point post and is influenced by gravity, and the influence of self gravity of explosion chamber moving contact conducting rod, flexible coupling (or sliding connection's moving conducting rod) etc. makes the movable guide arm of explosion chamber flagging to so that lead the uide bushing of explosion chamber and the conducting rod friction of explosion chamber, can lead to circuit breaker divide-shut brake jamming, influence circuit breaker performance, lead to abnormalities such as breaking failure even.
Disclosure of Invention
Therefore, the invention provides the side-placed pole which is smooth in opening and closing actions and not easy to clamp.
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the utility model provides a utmost point post is put to side, including utmost point post shell, set up the vacuum interrupter in utmost point post shell and with vacuum interrupter move the electric connection portion that the end is connected, utmost point post shell is equipped with and puts the first slip bearing structure that is the level setting under the utmost point post side puts the state, electric connection portion is equipped with and slides bearing structure with this first slip bearing structure looks sliding fit's second, electric connection portion cooperatees through the second and slides bearing structure and realize the slip and support on the horizontal direction with the first slip bearing structure of utmost point post shell.
Through the technical scheme provided by the invention, the method has the following beneficial effects:
the electric connection part is matched with the first sliding support structure of the pole shell through the second sliding support structure to realize sliding and supporting in the horizontal direction, so that the electric connection part does not sag under the influence of gravity, the electric connection part and devices such as a moving contact conducting rod of the arc extinguish chamber and the like can be kept horizontal, a guide sleeve of the arc extinguish chamber is not easy to generate friction with the conducting rod of the arc extinguish chamber, and the switching-on and switching-off actions are smooth and not easy to block.
Furthermore, the first sliding support structure is a sliding groove which is arranged on the pole shell and is positioned at two side ends of the electric connection part, the second sliding support structure is a roller bearing which is arranged on two side ends of the electric connection part, and the roller bearing is in sliding fit in the sliding groove.
Furthermore, two roller bearings are arranged on the same side end of the electric connection part, and the two roller bearings are matched in the sliding groove at the same time.
Furthermore, utmost point post shell includes insulating casing and inlays the annular metal seat of being qualified for the next round of competitions of locating in insulating casing, the spout is seted up on the metal seat of being qualified for the next round of competitions.
Further, the electric connection part is a movable conductive rod which is in sliding connection with the movable end of the pole.
Furthermore, the side pole comprises a movable conducting rod which penetrates out of the vacuum arc-extinguishing chamber backwards; the electric connection part is in flexible connection, and the flexible connection comprises a conductive block and a conductive metal sheet; the conductive block is fixedly connected with the part of the movable conductive rod, which penetrates out of the vacuum arc-extinguishing chamber, so that the movable end of the vacuum arc-extinguishing chamber is conductively connected with the electric connection part; the second sliding support structure is arranged on the conductive block; a wire outlet hole is formed in the pole shell, one end of the conductive metal sheet is connected to the conductive block, and the other end of the conductive metal sheet is used for being directly or indirectly connected with a busbar outside the pole; one end of the conductive metal sheet, which is far away from the conductive block, is suspended outside the wire outlet hole or suspended towards the wire outlet hole and positioned inside the wire outlet hole.
Has the advantages that: the electric connection part is in flexible connection, when the solid-sealed polar pole is produced, as long as the flexible connection is ensured to have enough length, the flexible connection can be kept in conductive connection with the movable conductive rod and the busbar outside the polar pole when the switch is switched on and off, the assembly precision is low, the production cost of the side-placed polar pole is reduced, and the production efficiency of the side-placed polar pole is improved; the flexible connection is composed of a conductive block and a conductive metal sheet, the second sliding support structure is arranged on the conductive block, and the conductive block has enough rigidity, so that the second sliding support structure can be guaranteed to have a good supporting effect on the flexible connection and the movable end.
Further, the side pole comprises an insulating pull rod, a threaded head is arranged at the front end of the insulating pull rod, a forward step surface is arranged on the rear side of the threaded head of the insulating pull rod, and the step surface is used for being matched with the rear end surface of the conductive block in a blocking manner; the rear end of the movable conducting rod is provided with a threaded hole matched with the threaded head; the front end face of the conductive block is provided with a slot for the movable conductive rod to be inserted, the slot is provided with a groove bottom face which faces forwards, and the groove bottom face is used for being matched with the rear end face of the movable conductive rod in a blocking mode; the conducting block is provided with a through hole, the through hole is formed in the rear end face of the conducting block and is communicated with the slot forwards, the through hole is used for enabling the insulating pull rod to penetrate forwards and enabling the threaded head to be screwed into the threaded hole in the rear end of the movable conducting rod, so that the step face of the insulating pull rod is blocked on the rear end face of the conducting block, and the movable conducting rod and the conducting block are fixed together.
Has the advantages that: the movable conducting rod is inserted into the slot of the conducting block and fixed through the insulating pull rod, so that the movable conducting rod and the conducting block have larger contact area, and the connection stability between the movable conducting rod and the flexible connection is favorably improved.
Furthermore, the pole column shell comprises an insulating shell and a metal wire outlet seat embedded in the insulating shell, the metal wire outlet seat comprises a first cylinder, the axis of the first cylinder extends in the front-back direction, and the upper side of the peripheral surface of the first cylinder is provided with an opening for communicating with the wire outlet hole; the first sliding support structure is a sliding groove formed in the inner wall of the first cylinder; the second sliding support structure is a roller bearing arranged on the conductive block; the roller bearing is made of conductive materials, is used for being in conductive connection with the conductive block and is used for being in conductive sliding fit with the sliding groove, so that the metal outgoing line seat is in conductive connection with the conductive block.
Has the advantages that: on one hand, the conductive block, the first sliding support structure and the second sliding support structure are all covered in the first cylinder body, the metal wire outlet seat is in conductive connection with the electric connection part, so that the metal wire outlet seat and the electric connection part can form an equipotential body, and the first cylinder body is cylindrical, so that the electric field on the outer surface of the first cylinder body is distributed uniformly, the first cylinder body plays a role of a shielding cover, the electric insulation performance of the side discharge pole can be effectively improved, and the insulation interval requirement between the side discharge pole and an external metal piece of the side discharge pole is effectively reduced; on the other hand, the metal outlet base can guide the partial heat generated by the flexible connection to the insulating shell, and the partial heat is dissipated to the outside of the side pole through the pole shell, so that the heat dissipation of the inside of the side pole is facilitated.
Furthermore, the metal wire outlet seat also comprises a second cylinder, the axis of the second cylinder extends along the vertical direction, and the lower end of the second cylinder is used for being in through connection with the opening of the first cylinder, so that the first cylinder and the second cylinder form a three-way structure; the wire outlet hole is arranged in the second cylinder, and the conductive metal sheet penetrates through the second cylinder from bottom to top.
Has the advantages that: on one hand, the metal outgoing line seat is composed of two cylinders, and the axis of the second cylinder extends along the vertical direction, so that the outer side of the second cylinder is closer to the outer part of the pole, and therefore when the solid-sealed pole is produced, the whole metal outgoing line seat can be positioned by positioning the second cylinder, and the metal outgoing line seat is convenient to position; on the other hand, the conductive metal sheet penetrates through the second barrel from bottom to top, so that the flexible connection part extends out of the wire outlet hole and radiates to the outside of the pole, and the overall radiation of the side pole is facilitated.
Drawings
FIG. 1 is a schematic external view of a side post in an embodiment;
FIG. 2 is a cross-sectional view of a side post of an embodiment;
FIG. 3 is a right side view of the side post of the embodiment in the state of FIG. 1;
fig. 4 is a partial structural schematic diagram of the side post in the embodiment.
In the figure: 10-an insulating housing; 11-a vacuum arc-extinguishing chamber; 12-a movable conducting rod; 13-outlet hole; 14-a static contact; 15-moving contact; 20-an electrical connection; 21-a conductive block; 22-a conductive metal sheet; 23-perforating; 24-bus bar connection hole; 25-slot; 30-metal outlet base; 31-a first cylinder; 32-a second cylinder; 401 — a first sliding support structure; 402-a second sliding support structure; 121-threaded hole.
Detailed Description
To further illustrate the various embodiments, the invention provides the accompanying drawings. The accompanying drawings, which are incorporated in and constitute a part of this disclosure, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the embodiments. Those skilled in the art will appreciate still other possible embodiments and advantages of the present invention with reference to these figures. Elements in the figures are not drawn to scale and like reference numerals are generally used to indicate like elements.
The invention will now be further described with reference to the accompanying drawings and detailed description.
Referring to fig. 1 to 4, the present embodiment provides a side-placing pole, including a pole housing, a vacuum arc-extinguishing chamber 11 disposed in the pole housing, and an electrical connection portion 20 connected to a moving end of the vacuum arc-extinguishing chamber 11, where the pole housing is provided with a first sliding support structure 401 horizontally disposed in a side-placing state of the side-placing pole, the electrical connection portion 20 is provided with a second sliding support structure 402 slidably engaged with the first sliding support structure 401, the electrical connection portion 20 is engaged with the first sliding support structure 401 of the pole housing through the second sliding support structure 402 to slide and support in a horizontal direction, so that the electrical connection portion 20 does not sag under the influence of gravity, the electrical connection portion 20 and devices such as a moving contact conductive rod of the vacuum arc-extinguishing chamber can be kept horizontal, a guide sleeve of the vacuum arc-extinguishing chamber 11 and the moving contact rod 12 of the vacuum arc-extinguishing chamber 11 are not prone to generate friction, the opening and closing operation is smooth and not easy to be blocked.
Further, in this embodiment, the first sliding support structure 401 is a sliding slot opened on the pole housing and located at two side ends of the electrical connection portion 20, and the second sliding support structure 402 is a roller bearing disposed on two side ends of the electrical connection portion 20, and the roller bearing is slidably fitted in the sliding slot. The roller bearing and the sliding groove are in sliding friction fit, so that the friction resistance can be reduced to a great extent, and the opening and closing action is smoother.
More specifically, in this embodiment, two roller bearings are disposed on the same side end of the electrical connection portion 20, the two roller bearings are simultaneously fitted into the sliding groove, and the two roller bearings are disposed on the same side end, so that the front end and the rear end of the electrical connection portion 20 can be well maintained on the same horizontal line, and the number of the roller bearings is small. Of course, in other embodiments, the number of roller bearings provided at the same side end is not limited thereto.
Of course, in other embodiments, the first sliding support structure 401 and the second sliding support structure 402 may also adopt other matching structures that can realize sliding guidance, such as a sliding block and a sliding groove.
Further, in this embodiment, the pole housing includes an insulating housing 10 and an annular metal wire outlet seat 30 embedded in the insulating housing 10, and the sliding groove is opened on the metal wire outlet seat 30. The metal wire outlet seat 30 has a stable structure, and the formed sliding groove is not easy to deform or wear. Of course, in other embodiments, the metal wire outlet 30 may not be annular, and the sliding groove is directly formed on the inner wall of the insulating housing 10.
Further, the movable end of the pole of the present embodiment is wired by a flexible connection, i.e. the electrical connection portion 20 is a flexible connection, and the second sliding support structure 402 (i.e. the roller bearing in the present embodiment) is disposed on the flexible connection. The movable end of the pole is a wiring end of the pole, which is used for electrically connecting the movable contact with a busbar outside the pole, and the movable end of the pole is electrically connected with the busbar outwards and is electrically connected with the movable contact of the vacuum arc-extinguishing chamber inwards. Of course, in other embodiments, if the pole is a movable conductive rod slidably connected to the movable end of the pole, the electrical connection portion 20 is a movable conductive rod, and at this time, the second sliding support structure 402 (i.e. the roller bearing in this embodiment) is disposed on the movable conductive rod, where the movable end of the pole is specifically a movable conductive seat, and the movable conductive rod 12 is slidably assembled in the movable conductive seat.
As shown in fig. 2 to 4, the vacuum interrupter 11 includes a fixed contact 14 and a movable contact 15, one end of the movable conductive rod 12 is electrically connected to the movable contact 15, and the other end of the movable conductive rod penetrates through the vacuum interrupter 11. The axial direction of the movable conducting rod 12 is defined as the front-back direction, and the static contact 14 is arranged at the front side of the movable contact 15; the two first sliding support structures 402 (i.e., the sliding grooves in the present embodiment) are disposed on the left and right sides of the electrical connection portion 20; the upper side of the circumferential surface of the pole column shell is provided with a wire outlet hole 13.
Further, as shown in fig. 3 and 4, the flexible connection includes a conductive block 21 and a conductive metal plate 22, and the roller bearings are fixed to left and right sides of the conductive block 21 by corresponding fasteners. Specifically, the fastener can be a screw rod, the screw rod comprises a thread section and an optical axis section which are arranged along the axial direction, external threads are arranged on the thread section, a shaft shoulder is arranged on the part, close to the thread section, of the optical axis section, the thread section is connected to the conductive block 21, the inner ring of the roller bearing is assembled on the optical axis section in an interference fit mode, a snap spring is assembled at one end, far away from the thread section, of the optical axis section, and two axial ends of the inner ring of the roller bearing are respectively blocked and positioned through the shaft shoulder and the snap spring. One end of the conductive metal sheet 22 is welded and fixed on the conductive block 21, and the other end is used for being directly connected with a busbar outside the pole.
The conductive block 21 is fixedly connected to the portion of the movable conductive rod 12 that protrudes backward through the vacuum interrupter, specifically, as shown in fig. 2, a slot 25 is provided on the front end surface of the conductive block 21, the slot 25 is used for inserting the rear end of the movable conductive rod 12, the slot 25 has a forward slot bottom surface, and the slot bottom surface is used for being in stop fit with the rear end surface of the movable conductive rod 12; the conductive block 21 is provided with a through hole 23, the front end of the through hole 23 is communicated with the slot 25, and the rear end is arranged on the rear end face of the conductive block 21; a threaded hole 121 extending forwards and backwards is formed in the movable conducting rod 12, and the rear end of the threaded hole 121 is formed in the rear end face of the movable conducting rod 12; the side-put pole also comprises an insulating pull rod (not shown in the figure), the insulating pull rod is used for providing a driving force for opening and closing the vacuum arc-extinguishing chamber 11, a threaded head is arranged at the front end of the insulating pull rod, and a forward step surface is arranged on the rear side of the threaded head of the insulating pull rod. During specific connection, the rear end of the movable conductive rod 12 is inserted into the slot 25, the through hole 23 is coaxial with the threaded hole 121, then the threaded head of the insulating pull rod forwards penetrates through the through hole 23 and is screwed into the threaded hole 121, after the threaded head is screwed in place, the step surface of the insulating pull rod is stopped on the rear end surface of the conductive block 21, the conductive block 21 is clamped between the rear end surface of the movable conductive rod 12 and the step surface of the insulating pull rod, and the conductive block 21 is electrically connected with the movable conductive rod 12.
Of course, in other embodiments, the flexible connection may be in other forms, for example, the flexible connection is only formed by the conductive metal sheet, and in this case, a through hole is formed at a position of the conductive metal sheet corresponding to the rear end surface of the movable conductive rod, so that the screw head of the insulating pull rod can pass through the through hole. In other embodiments, the rear end of the conductive block may not be provided with the slot, that is, the rear end of the conductive block is a planar structure, and the conductive block is in conductive contact with the movable conductive rod only through the end surface.
When the insulating pull rod is used specifically, in order to prevent the insulating pull rod from loosening, a spring gasket can be sleeved on the insulating pull rod and clamped between the rear end face of the movable conducting block and the step face of the insulating pull rod, and the insulating pull rod is kept in a state of tensioning the movable conducting rod under the elastic action of the spring gasket. Certainly, glue solution can be coated on the threaded head of the insulating pull rod, and after the threaded head is in threaded connection with the threaded hole and the glue solution is cured, the conductive block and the insulating pull rod are fixedly bonded through the glue solution, so that the insulating pull rod is prevented from loosening.
Further, the electrical connection portion 20 is electrically connected to the metal wire outlet 30, specifically, the second sliding support structure 402 (i.e. the roller bearing in this embodiment) is made of a metal material with good electrical conductivity, and the screw rod of the fixed roller bearing is also made of a metal material with good electrical conductivity, so that the second sliding support structure 402 is electrically connected to the conductive block 21. At this time, the second sliding support structure 402 (i.e. the roller bearing in this embodiment) and the first sliding support structure 401 (i.e. the sliding slot in this embodiment) are in conductive sliding fit, so as to achieve the conductive connection between the electrical connection portion 20 and the metal wire outlet 30.
Of course, in other embodiments, the second sliding support structure of the electrical connection portion and the metal wire outlet may not conduct electricity, for example, the second sliding support structure is a slider made of an insulating material, and at this time, the electrical connection portion and the metal wire outlet may be electrically connected in other manners, for example, the electrical connection portion and the metal wire outlet are electrically connected through a flexible wire.
Further, as shown in fig. 4, the annular metal wire outlet 30 has a hollow structure with an annular cross section as a whole, and the metal wire outlet 30 specifically includes a first cylindrical body 31 and a second cylindrical body 32, an axis of the first cylindrical body 31 extends in the front-rear direction, and an axis of the second cylindrical body 32 extends in the up-down direction. As shown in fig. 2, an opening is provided on the upper side of the circumferential surface of the first cylinder 31, and the lower end of the second cylinder 32 is connected to the opening of the first cylinder 31 in a penetrating manner, so that the two cylinders form a three-way structure. The above-mentioned intersecting connection means that the first cylinder 31 and the second cylinder 32 are perpendicularly intersected with each other at the outer surface thereof as shown in fig. 4, and are butt-jointed at the intersecting line formed by the two cylinders. The outlet hole 13 is provided in the second cylinder 32, and the chute is provided in the inner wall of the first cylinder 31.
Of course, in other embodiments, the metal outlet seat may be formed by only the first cylinder, and at this time, the opening formed on the upper side of the circumferential surface of the first cylinder is communicated with the outlet hole, so that the flexible connection is electrically connected with the busbar outside the pole.
Because the electric connection part 20 is in conductive connection with the metal outgoing line seat 30, the electric connection part 20 and the metal outgoing line seat 30 form an equipotential body integrally, the first cylinder 31 plays a role of a shielding cover, an electric field on the outer surface of the first cylinder can be uniformly distributed, the electric insulation performance of the position of the side discharge pole is improved, the insulation interval requirement between the side discharge pole and an external metal part of the side discharge pole is effectively reduced, and the side discharge pole meets the use requirement of a high voltage level.
One end of the conductive metal sheet 22 away from the conductive block 21 overhangs the outlet hole 13. The extension part of the conductive metal sheet 22 is provided with a busbar connecting hole 24, when the conductive metal sheet is used in a concrete mode, a busbar outside the pole is provided with a soft connecting hole, and the conductive metal sheet 22 is fixedly connected with the busbar outside the pole through a bolt penetrating through the busbar connecting hole 24 and the soft connecting hole.
It should be noted that the busbar outside the pole has a certain rigidity, and can support the protruding portion of the conductive metal sheet 22, so that when the insulating pull rod drives the conductive rod 12 to move to realize opening and closing, the protruding portion of the conductive metal sheet 22 is supported by the busbar outside the pole, and the portion of the conductive metal sheet 22 fixedly connected with the conductive block 21 swings with the movement of the conductive rod 12.
Of course, in other embodiments, the conductive metal sheet may not extend out of the terminal housing, at this time, the wire outlet hole of the terminal housing is plugged by the metal wire outlet seat, and the conductive metal sheet is conductively connected with the portion of the metal wire outlet seat located in the terminal housing, and is conductively connected with the busbar outside the terminal through the exposed portion of the metal wire outlet seat.
While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A side pole is put, its characterized in that: the electric connection part is provided with a second sliding support structure in sliding fit with the first sliding support structure, and the electric connection part is matched with the first sliding support structure of the pole shell through the second sliding support structure to realize sliding and supporting in the horizontal direction; the side-put pole comprises a movable conducting rod which penetrates out of the vacuum arc-extinguishing chamber backwards; the electric connection part is in flexible connection, and the flexible connection comprises a conductive block and a conductive metal sheet; the conductive block is fixedly connected with the part of the movable conductive rod, which penetrates out of the vacuum arc-extinguishing chamber, so that the movable end of the vacuum arc-extinguishing chamber is conductively connected with the electric connection part; the second sliding support structure is arranged on the conductive block; a wire outlet hole is formed in the pole shell, one end of the conductive metal sheet is connected to the conductive block, and the other end of the conductive metal sheet is used for being directly or indirectly connected with a busbar outside the pole; one end of the conductive metal sheet, which is far away from the conductive block, is suspended outside the wire outlet hole or suspended towards the wire outlet hole and positioned inside the wire outlet hole; the pole column shell comprises an insulating shell and a metal wire outlet seat embedded in the insulating shell, the metal wire outlet seat comprises a first cylinder, the axis of the first cylinder extends in the front-back direction, and the upper side of the peripheral surface of the first cylinder is provided with an opening for communicating with the wire outlet hole; the first sliding support structure is a sliding chute which is arranged on the inner wall of the first cylinder and is positioned at two side ends of the electric connection part; the second sliding support structure is a roller bearing arranged on the two side ends of the conductive block; the roller bearing is made of a conductive material, is in conductive connection with the conductive block and is in conductive sliding fit with the sliding chute, so that the metal wire outlet seat is in conductive connection with the conductive block; the conductive block, the first sliding support structure and the second sliding support structure are all covered in the first cylinder body.
2. The side post according to claim 1, wherein: two roller bearings are arranged on the same side end of the electric connection part, and the two roller bearings are matched in the sliding groove at the same time.
3. The side post according to claim 1, wherein: the side-placing pole comprises an insulating pull rod, the front end of the insulating pull rod is provided with a threaded head, the rear side of the threaded head of the insulating pull rod is provided with a forward step surface, and the step surface is used for being matched with the rear end surface of the conductive block in a blocking manner; the rear end of the movable conducting rod is provided with a threaded hole matched with the threaded head; the front end face of the conductive block is provided with a slot for the movable conductive rod to be inserted, the slot is provided with a groove bottom face which faces forwards, and the groove bottom face is used for being matched with the rear end face of the movable conductive rod in a blocking mode; the conducting block is provided with a through hole, the through hole is formed in the rear end face of the conducting block and is communicated with the slot forwards, the through hole is used for enabling the insulating pull rod to penetrate forwards and enabling the threaded head to be screwed into the threaded hole in the rear end of the movable conducting rod, so that the step face of the insulating pull rod is blocked on the rear end face of the conducting block, and the movable conducting rod and the conducting block are fixed together.
4. The side post according to claim 1 or 3, characterized in that: the metal wire outlet seat further comprises a second cylinder, the axis of the second cylinder extends in the vertical direction, and the lower end of the second cylinder is used for being connected with the opening of the first cylinder in a penetrating manner, so that the first cylinder and the second cylinder form a three-way structure; the wire outlet hole is arranged in the second cylinder, and the conductive metal sheet penetrates through the second cylinder from bottom to top.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019212333526 | 2019-08-01 | ||
| CN201921233352 | 2019-08-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111192786A CN111192786A (en) | 2020-05-22 |
| CN111192786B true CN111192786B (en) | 2022-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911408776.6A Active CN111192786B (en) | 2019-08-01 | 2019-12-31 | Side-placing pole |
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|---|---|
| CN (1) | CN111192786B (en) |
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| CN200990333Y (en) * | 2006-07-31 | 2007-12-12 | 厦门华电开关有限公司 | Vacuum circuit breaker pole column |
| CN202839444U (en) * | 2012-09-24 | 2013-03-27 | 浙江博为电气有限公司 | Embedded pole for outdoor vacuum circuit breaker |
| CN104517774A (en) * | 2014-12-16 | 2015-04-15 | 天津平高智能电气有限公司 | Vacuum circuit breaker, vacuum arc extinguishing chamber thereof and movable conducting rod mounting structure |
| CN204464153U (en) * | 2015-03-23 | 2015-07-08 | 河南基泰电气有限公司 | A kind of all insulation full-shield solid switch |
| CN204558344U (en) * | 2015-04-01 | 2015-08-12 | 天津平高智能电气有限公司 | Moving conductive rod and use moved end assembly, the arc control device of this moving conductive rod |
| CN205282362U (en) * | 2015-11-27 | 2016-06-01 | 平高集团有限公司 | Modular gu seal utmost point post |
| CN106653463A (en) * | 2016-12-26 | 2017-05-10 | 天津平高智能电气有限公司 | Fixation and encapsulation pole rod with built-in radiator |
| CN106876211A (en) * | 2017-04-24 | 2017-06-20 | 淮海工学院 | A kind of vacuum interrupter |
| CN208738123U (en) * | 2018-08-22 | 2019-04-12 | 焱腾电气科技有限公司 | A kind of power equipment HVAC vacuum circuit breaker |
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| CN111192786A (en) | 2020-05-22 |
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