WO2011151912A1 - 開閉装置 - Google Patents
開閉装置 Download PDFInfo
- Publication number
- WO2011151912A1 WO2011151912A1 PCT/JP2010/059460 JP2010059460W WO2011151912A1 WO 2011151912 A1 WO2011151912 A1 WO 2011151912A1 JP 2010059460 W JP2010059460 W JP 2010059460W WO 2011151912 A1 WO2011151912 A1 WO 2011151912A1
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- WIPO (PCT)
- Prior art keywords
- insulating rod
- buried metal
- bearing
- movable mechanism
- joint
- Prior art date
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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
- H01H33/42—Driving mechanisms
Definitions
- the present invention relates to a switchgear used for a power generation main circuit.
- switchgear in which an insulating gas is enclosed has been widely used from the viewpoint of downsizing of substations and aesthetics, and such switchgears are designed to be connected to and away from a stationary contact and a movable contact. Are configured to open and close.
- an opening / closing device shown in Patent Document 1 below is an insulating operation rod that is rotationally driven by an operation device installed outside the opening / closing device.
- a rack that engages with a pinion disposed at the other end of the operating rod to drive the movable contact, and the operating device rotates the pinion via the operating rod so that the operating rod rotates relative to the axis of the operating rod.
- the rack is driven in the vertical direction so that the movable contact and the fixed contact are brought into contact with and separated from each other.
- the operation rod is supported by a bearing, and grease is generally used for the bearing in order to reduce friction caused by the rotation of the operation rod. Is.
- the present invention has been made in view of the above, and an object of the present invention is to provide a switchgear that can improve the degree of freedom of device arrangement of the switchgear.
- the present invention provides an electric conductor stored in a container filled with an insulating gas, a movable contact installed inside the electric conductor, An opening / closing device having a movable mechanism for moving a movable contact forward and backward, extending from the outside of the container toward the movable mechanism in a state of being electrically insulated from the container, and rotatable to the container
- An insulating rod installed at one end, a buried metal having one end connected to the movable mechanism and the other end buried in the insulating rod, and rotatably supported by the charging conductor; the buried metal and the charging conductor;
- a sliding part interposed between the insulating rod and the sliding part, and extending in a radial direction from the axial center of the insulating rod. A portion is formed.
- FIG. 1 is a cross-sectional view showing the overall configuration of the switchgear according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along line AA in FIG.
- FIG. 3 is a diagram for explaining the configuration of the first drive mechanism according to the first embodiment.
- FIG. 4 is a diagram for explaining the configuration of the second drive mechanism according to the first embodiment.
- FIG. 5 is a diagram for explaining the configuration of the third drive mechanism according to the first embodiment.
- FIG. 6 is a diagram for explaining a problem when a washer is installed between the bearing and the insulating rod.
- FIG. 7 is a diagram for explaining the configuration of the fourth drive mechanism according to the first embodiment.
- FIG. 1 is a cross-sectional view showing the overall configuration of the switchgear according to Embodiment 1 of the present invention.
- FIG. 2 is a cross-sectional view taken along line AA in FIG.
- FIG. 3 is a diagram for explaining the configuration of the first drive mechanism according to
- FIG. 8 is a diagram for explaining a configuration when the drive mechanism according to the first embodiment is applied to a seal structure using an O-ring.
- FIG. 9 is a diagram for explaining the configuration of the first drive mechanism according to the second embodiment.
- FIG. 10 is a diagram for explaining the configuration of the second drive mechanism according to the second embodiment.
- FIG. 11 is a diagram for explaining a configuration when the drive mechanism according to the second embodiment is applied to a seal structure using an O-ring.
- FIG. 1 is a cross-sectional view showing the overall configuration of the switchgear according to Embodiment 1 of the present invention
- FIG. 2 is a cross-sectional view taken along the line AA of FIG.
- a cylindrical tank (container) 1 which is a so-called casing of the switchgear 100 functions as an external conductor at a ground potential. Inside the tank 1, an insulating gas is sealed, and various electric devices such as an instrument transformer and a current transformer are housed. In the tank 1, as an example, a high-voltage electric conductor 2, and a fixed-side contact 10 and a movable contact 8 that are mechanisms for interrupting the current flowing through the electric conductor 2 are shown.
- the charging conductor 2 is accommodated in the tank 1 in a form supported by a spacer 15 that partitions the inside of the tank 1, and the movable contact 8 installed facing the fixed side contact 10 advances and retreats with respect to the charging conductor 2. It is supported so as to be movable, and is brought into and out of contact with the stationary contact 10 by the drive mechanism 6.
- the drive mechanism 6 is mainly composed of a movable mechanism 3 that converts the rotational motion of the insulating rod 5 into a linear motion to move the movable contact 8 back and forth, the insulating rod 5, a buried metal 21, and a buried metal 19. Has been.
- the insulating rod 5 is extended from the outside of the tank 1 toward the movable mechanism 3 while being electrically insulated from the tank 1, and is rotatably installed in the tank 1.
- One end of the buried metal 21 is connected to the movable mechanism 3, the other end is embedded in the insulating rod 5, and is rotatably supported by the electric conductor 2.
- the sliding part 24 is interposed between the buried metal 21 and the charging conductor 2 and slides the buried metal 21.
- a flange 20 extending in the radial direction from the axial center of the insulating rod 5 is formed between the insulating rod 5 and the sliding portion 24.
- the bearing 4 or the O-ring 9 is used for the sliding portion 24 so that the buried metal 21 or the joint 14 is slidable.
- a columnar body made of metal or Delrin (registered trademark) may be used.
- the bearing 4 is fitted to the electric conductor 2, and the buried metal 21 embedded in one end of the insulating rod 5 extends from the insulating rod 5 toward the movable contact 8 and is rotatably supported by the bearing 4. ing.
- the buried metal 21 is formed with a flange 20 (not shown in FIG. 1) extending in a direction substantially perpendicular to the direction of the rotating shaft 22 of the insulating rod 5.
- the details of the buried metal 21 and the flange portion 20 will be described later.
- a buried metal 19 embedded in the other end of the insulating rod 5 extends from the insulating rod 5 toward the shaft seal portion 16 and can be rotated by an O-ring 9 a and an O-ring 9 b installed inside the shaft seal portion 16. It is supported by.
- the shaft seal 16 prevents the insulating gas sealed in the tank 1 from being leaked to the outside from the penetrating portion of the buried metal 19 at a pressure higher than atmospheric pressure.
- a grease reservoir 7a for accumulating grease for reducing friction during rotation of the buried metal 19 is provided between the O-ring 9a and the O-ring 9b disposed below the O-ring 9a.
- the buried metal 19 protrudes to the outside of the tank 1 through the shaft seal portion 16, and an operating device (not shown) for rotating the movable mechanism 3 is attached to the buried metal 19.
- the movable mechanism 3 is connected to the buried metal 21, and the movable mechanism 3 extends in the radial direction from the center of the rotating shaft 22 of the insulating rod 5.
- the free end 3 a of the movable mechanism 3 rotates according to the operation amount transmitted from the operating device to the insulating rod 5. Therefore, when the movable mechanism 3 rotates, the fixed contact 10 and the movable contact 8 are electrically connected, and the electrical connection between the fixed contact 10 and the movable contact 8 is disconnected. It is. 1 and 2, the connection structure between the movable mechanism 3 and the movable contact 8 is omitted.
- a crank mechanism or a drive mechanism using a rack and a pinion may be used.
- FIGS. 4 to 8 Another structure of the buried metal 21 will be explained using FIGS. 4 to 8.
- FIG. 3 is a diagram for explaining the configuration of the first drive mechanism according to the first embodiment.
- FIG. 3 shows the above-described electric conductor 2, movable mechanism 3, insulating rod 5, bearing 4, and embedded structure. It is shown as gold 21a.
- a buried metal 21 a embedded in one end of the insulating rod 5 extends from the insulating rod 5 toward the movable contact 8 and is rotatably supported by the bearing 4.
- a flange portion 20 a extending in the radial direction from the center of the rotating shaft 22 is formed between the insulating rod 5 and the sliding portion 24.
- the end 23 of the flange 20a is bent toward the bearing 4 at a predetermined length from the outer peripheral surface of the buried metal 21a. This predetermined length should just be more than the length which added the thickness of the inner ring
- the buried metal 21a exhibits a grease reservoir function for accumulating grease leaked from the bearing 4 in the vertical direction.
- a gap is formed in the facing surface between the end portion 23 of the flange portion 20 a and the bearing 4, but this gap is an interval that does not allow the bearing 4 and the flange portion 20 a to contact each other. Good.
- FIG. 4 is a diagram for explaining the configuration of the second drive mechanism according to the first embodiment.
- FIG. 4A is a view when a grease scattering prevention cover 12 is installed between the bearing 4 and the insulating rod 5 and shows an example of the grease scattering prevention means described in the background art.
- FIG. 4B is a diagram showing the structure of the buried metal 21c according to the present embodiment. In the following, the same parts as those in FIGS. 1 to 3 are denoted by the same reference numerals, and the description thereof will be omitted.
- the cover 12 shown in FIG. 4 (a) has a mortar-shaped cross section so as to surround the buried metal 21b, and has a grease scattering preventing function for preventing the grease scattered from the bearing 4 from adhering to the insulating rod 5.
- the cover 12 is attached to the buried metal 21 b in advance when the insulating rod 5 is connected to the movable mechanism 3, and is installed between the bearing 4 and the insulating rod 5 by inserting the buried metal 21 b into the bearing 4. Therefore, a gap due to assembly tolerance is likely to be generated between the outer peripheral surface of the buried metal 21 b and the cover 12, and there is a possibility that grease may drip on the insulating rod 5 from this gap.
- a flange portion 20b is formed in the buried metal 21c according to the embodiment of the present invention. That is, the flange portion 20 b has a shape extending in the radial direction from the center of the rotating shaft 22 between the insulating rod 5 and the sliding portion 24.
- This predetermined length should just be more than the length which added the thickness of the inner ring
- FIG. 5 is a diagram for explaining the configuration of the third drive mechanism according to the first embodiment.
- the configuration outline of the drive mechanism according to the present embodiment will be described with reference to FIG. 5, and then the conventional problems will be described with reference to FIG.
- the same parts as those in FIGS. 1 to 3 are denoted by the same reference numerals and description thereof is omitted, and only different parts will be described here.
- a flange 20c extending in the radial direction from the center of the rotating shaft 22 is formed between the insulating rod 5 and the sliding portion 24.
- the end 23 of the flange 20c is bent toward the bearing 4 at a predetermined length from the outer peripheral surface of the buried metal 21d.
- This predetermined length should just be more than the length which added the thickness of the inner ring
- FIG. 6 is a diagram for explaining a problem when a washer is installed between a bearing and an insulating rod, and shows a structure of a conventional drive mechanism. Similar to the cover 12 described above, the washer 13 is mounted on the buried metal 21 e in advance when the insulating rod 5 is connected to the movable mechanism 3, and is installed between the bearing 4 and the insulating rod 5.
- the flange portion 21c shown in FIG. 5 has a flange portion 20c extending in a direction substantially perpendicular to the direction of the rotation shaft 22, a space between the bearing 4 and the insulating rod 5 is physically formed. It is interrupted
- the buried metal 21 described so far is configured integrally with the insulating rod 5, for example, when the insulating rod 5 is disassembled for maintenance or the like, it is pulled out in the direction of the rotary shaft 22 together with the insulating rod 5. More specifically, the movable mechanism 3 needs to be removed when the buried metal 21 is pulled out and connected to the buried metal 21 again when the insulating rod 5 is assembled. At this time, the recovery and refilling work of the insulating gas accompanying the removal of the movable mechanism 3 occurs.
- the fourth drive mechanism according to the first embodiment described below is for solving such a problem.
- the configuration will be described below with reference to FIG.
- FIG. 7 is a diagram for explaining the configuration of the fourth drive mechanism according to the first embodiment.
- the drive mechanism shown in FIG. 7 mainly includes a joint 14, a buried metal 21 f fitted to the joint 14, a movable mechanism 3, and an insulating rod 5.
- the bearing 4 is fitted into a sliding portion 24 formed on a part of the electric conductor 2, and the joint 14 is rotatably installed by the bearing 4.
- the joint 14 has a cylindrical shape that circumscribes the inner peripheral surface of the bearing 4, and is installed between the movable mechanism 3 and the insulating rod 5.
- the outer peripheral surface of the buried metal 21 f is fitted on the inner peripheral surface of the joint 14.
- the fitting shape of the joint 14 and the buried metal 21f may be any shape that can transmit the rotational torque from the insulating rod 5 to the movable mechanism 3.
- the inner peripheral surface of the joint 14 is formed in a gear shape.
- the shape of the outer peripheral surface of the buried metal 21 f may be fitted to the inner peripheral surface of the joint 14.
- the joint 14 is formed with a flange 20d extending in the radial direction from the center of the rotary shaft 22 between the insulating rod 5 and the sliding portion 24.
- the end portion 23 of the flange portion 20d is bent toward the bearing 4 at a predetermined length from the outer peripheral surface of the joint 14. This predetermined length should just be more than the length which added the thickness of the inner ring
- the joint 14 is configured not only to exhibit a grease storage function and a grease scattering prevention function, but also to be able to disassemble the insulating rod 5 without removing the movable mechanism 3 from the buried metal 21f. Accordingly, it is not necessary to collect and refill the insulating gas that accompanies the removal of the movable mechanism 3, and the disassembling work of the insulating rod 5 can be greatly reduced.
- FIG. 8 is a diagram for explaining a configuration when the drive mechanism according to the first embodiment is applied to a seal structure using an O-ring.
- an O-ring 9 a and an O-ring 9 b are installed instead of the bearing 4, and a grease reservoir 7 a is provided between the O-ring 9 a and the O-ring 9 b.
- the buried metal 21f is rotatably supported by the O-ring 9a and the O-ring 9b, and the buried metal 21f extends between the insulating rod 5 and the sliding portion 24 in the radial direction from the center of the rotating shaft 22.
- a portion 20e is formed.
- the end 23 of the flange 20e is bent toward the bearing 4 at a predetermined length from the outer peripheral surface of the buried metal 21f.
- the predetermined length is not particularly limited, but is preferably determined in consideration of the amount of grease that flows out from the grease reservoir 7a along the buried metal 21f.
- the switchgear extends from the outside of the tank 1 toward the movable mechanism 3 while being electrically insulated from the tank 1 and is rotatably installed in the tank 1.
- end portion 23 of the flange portion 20 is bent toward the bearing 4 side at a predetermined length position from the outer peripheral surface of the buried metal 21, and this predetermined length is shown in FIG.
- the grease storage function and the grease scattering prevention function must be compatible. Is possible.
- the opening / closing device extends from the outside of the tank 1 toward the movable mechanism 3 while being electrically insulated from the tank 1, and is installed in the tank 1 so as to be rotatable.
- the insulating rod 5 Embedded in the axial direction of the insulating rod 5 and extended from the insulating rod 5 toward the movable mechanism 3, one end connected to the movable mechanism 3 and the other end fitted with the buried metal 21f,
- the joint 14 is rotatably supported by the electric conductor 2, and the sliding portion 24 is interposed between the joint 14 and the electric conductor 2 and slides the buried metal 21 f.
- the joint 14 includes an insulating rod 5.
- the insulating rod Since the flange 20d extending in the radial direction from the axial center of the insulating rod 5 is formed between the sliding portion 24 and the sliding portion 24, the insulating rod not only exhibits the grease storage function and the grease scattering prevention function, but also the insulating rod It is possible to greatly reduce the dismantling work of 5 That.
- the drive mechanism 6 according to the present embodiment can also be applied to a seal structure (sliding portion 24) using an O-ring 9. Even in this case, only the grease storage function and the grease scattering prevention function are exhibited. In addition, the number of parts can be reduced.
- the drive mechanism 6 shown in FIG. 7 can also be applied to a seal structure using an O-ring 9. In this case, the drive mechanism 6 not only exhibits a grease storage function and a grease scattering prevention function, but also the insulating rod 5. It is possible to greatly reduce the dismantling work.
- Embodiment 2 the structure for preventing the grease from adhering to the insulating rod 5 has been described in detail.
- the switchgear according to the second embodiment has not only the grease retaining function and the grease scattering preventing function, but also the bearing 4 or the O-ring 9. It has a lubricating function.
- the configuration will be described below with reference to FIGS.
- symbol is attached
- FIG. 9 is a diagram for explaining the configuration of the first drive mechanism according to the second embodiment.
- the buried metal 21d and the sliding part 24 in FIG. 9 are shaped as the buried metal 21d and the sliding part 24 in FIG. Is a modified version.
- the embedded metal 21 d embedded in one end of the insulating rod 5 extends from the insulating rod 5 toward the movable contact 8 and is rotatably supported by a bearing 4 installed on the electric conductor 2.
- An annular recess 25 is formed in the sliding portion 24 between the fitting portion of the bearing 4 and the electric conductor 2.
- a flange portion 20c extending in the radial direction from the axial center of the insulating rod is formed between the insulating rod 5 and the sliding portion 24.
- the end portion 23 of the flange portion 20 c is bent toward the sliding portion 24 at the position of the recess 25 and extends so as to enter the space of the recess 25.
- the height of the end portion 23 of the flange portion 20c may be, for example, equal to or greater than the added length from the lower end of the buried metal 21d to the rolling element of the bearing 4.
- FIG. 10 is a diagram for explaining the configuration of the second drive mechanism according to the second embodiment.
- the joint 14 and the sliding portion 24 in FIG. 10 are deformed from the shapes of the joint 14 and the sliding portion 24 in FIG. It has been made.
- the joint 14 has a cylindrical shape that circumscribes the inner peripheral surface of the bearing 4, is installed between the movable mechanism 3 and the insulating rod 5, and is rotatably installed by the bearing 4 installed on the electric conductor 2. Yes.
- An annular recess 25 is formed in the sliding portion 24 between the fitting portion of the bearing 4 and the electric conductor 2.
- the joint 14 has a cylindrical shape that circumscribes the inner peripheral surface of the bearing 4, and is installed between the movable mechanism 3 and the insulating rod 5.
- the outer peripheral surface of the buried metal 21 f is fitted on the inner peripheral surface of the joint 14. Match.
- the fitting shape between the joint 14 and the buried metal 21f may be any shape as long as the rotational torque from the insulating rod 5 can be transmitted to the movable mechanism 3.
- the joint 14 is formed with a flange 20d extending in the radial direction from the center of the rotary shaft 22 between the insulating rod 5 and the sliding portion 24.
- the end portion 23 of the flange portion 20d is bent toward the sliding portion 24 at the position of the concave portion 25 and extends so as to enter the space of the concave portion 25.
- the height of the end portion 23 of the flange portion 20d may be equal to or greater than the added length from the lower end of the joint 14 to the rolling elements of the bearing 4. It is desirable that the flange portion 20d and the sliding portion 24 are configured such that the end portion 23 of the flange portion 20d does not come into contact with the wall surface of the recess 25.
- the joint 14 is configured not only to exhibit a grease storage function and a grease scattering prevention function, but also to be able to disassemble the insulating rod 5 without removing the movable mechanism 3 from the buried metal 21f. Accordingly, it is not necessary to collect and refill the insulating gas that accompanies the removal of the movable mechanism 3, and the disassembling work of the insulating rod 5 can be greatly reduced.
- the flange portion 20d is formed so as to cover the bearing 4 from the lower side, the bearing 4 is always lubricated by the grease in the grease reservoir portion 7, and the durability of the drive mechanism 6 can be improved. it can.
- FIG. 11 is a diagram for explaining a configuration when the drive mechanism according to the second embodiment is applied to a seal structure using an O-ring.
- a grease reservoir 7a is provided between the O-ring 9a and the O-ring 9b. It has been. Further, an annular recess 25 is formed in the sliding portion 24 between the installation portion of the O-ring 9 b and the electric conductor 2.
- a flange 20e extending in the radial direction from the center of the rotating shaft 22 is formed between the insulating rod 5 and the sliding portion 24.
- the end portion 23 of the flange portion 20 e is bent toward the sliding portion 24 at the position of the recess 25 and extends so as to enter the space of the recess 25.
- the height of the edge part 23 of the collar part 20e should just be more than the added length from the lower end of the buried metal 21f to the O-ring 9b.
- the flange portion 20e is formed so as to cover the bearing 4 from the lower side, the bearing 4 is always lubricated by the grease in the grease reservoir 7b, and the durability of the drive mechanism 6 can be improved. it can.
- the switchgear extends from the outside of the tank 1 toward the movable mechanism 3 while being electrically insulated from the tank 1 and is rotatably installed in the tank 1.
- a flange portion 20 is formed, and an annular recess 25 centered on the axis of the buried metal 21 is formed on the surface of the electric conductor 2 on the surface facing the insulating rod 5.
- the cover 12 and the washer 13 are used because they are bent to the side and enter the recess 25.
- Ku is formed grease reservoir 7, it is possible to improve the durability of the drive mechanism 6 for a state in which the bearing 4 is always lubricated.
- the opening / closing device extends from the outside of the tank 1 toward the movable mechanism 3 while being electrically insulated from the tank 1, and is installed in the tank 1 so as to be rotatable.
- the opening / closing device Embedded in the axial direction of the insulating rod 5 and extending from the insulating rod 5 toward the movable mechanism 3, one end connected to the movable mechanism 3 and the other end fitted with the buried metal 21, A joint 14 rotatably supported by the electric conductor 2 and a sliding portion 24 that is interposed between the joint 14 and the electric conductor 2 and slides the buried metal 21 are provided on the joint 14.
- a flange 20 extending in the radial direction from the axial center of the insulating rod 5 is formed between the sliding portion 24 and the sliding portion 24, and an annular recess 25 centering on the axis of the buried metal 21 is formed in the electric conductor 2.
- the end 23 of the flange 20 is bent toward the movable mechanism side.
- the drive mechanism 6 shown in FIG. 9 can also be applied to a seal structure (sliding portion 24) using an O-ring 9. Even in this case, the drive mechanism 6 only exhibits a grease storage function and a grease scattering prevention function. Therefore, the number of components can be reduced, and the durability of the drive mechanism 6 can be enhanced because the bearing 4 is always lubricated. Further, the drive mechanism 6 shown in FIG. 10 can be applied to a seal structure using an O-ring 9. In this case, the drive mechanism 6 not only exhibits a grease storage function and a grease scattering prevention function, but also the insulating rod 5. The dismantling work can be greatly reduced, and the durability of the drive mechanism 6 can be increased because the bearing 4 is always lubricated.
- the end portion 23 of the flange portion 20d formed on the joint 14 has been described as being bent.
- the present invention is not limited to this, and the flange portion 20d formed on the joint 14 is not limited to this.
- 4B may be configured to extend in the horizontal direction as in the flange portion 20b shown in FIG. 4B, and in this case, it also has a grease scattering prevention function.
- the present invention can be applied to a switchgear used in a power generation main circuit, and is particularly useful as an invention that can improve the degree of freedom of arrangement of devices.
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- Gas-Insulated Switchgears (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
Description
図1は、本発明の実施の形態1にかかる開閉装置の全体構成を示す断面図であり、図2は、図1のA-A線に沿う横断面図である。
上記説明では、グリスが絶縁ロッド5に付着することを阻止する構造に関して詳説したが、実施の形態2にかかる開閉装置は、グリス溜め機能およびグリス飛散防止機能だけではなく、軸受4あるいはOリング9の潤滑機能を有するものである。以下、図9から図11を用いてその構成を説明する。なお、実施の形態1と同一部分には同一符号を付してその説明を省略し、ここでは異なる部分についてのみ述べる。
2 課電導体
3 可動機構
4 軸受
5 絶縁ロッド
6 駆動機構
7 グリス溜め部
8 可動接触子
9 Oリング
10 固定側接触子
12 カバー
13 座金
14 継ぎ手
15 スペーサ
16 シャフトシール部
20 鍔部
19、21 埋金
22 回転軸
23 鍔部の端部
24 滑動部
25 凹部
100 開閉装置
Claims (10)
- 絶縁ガスが封入された容器に収納された課電導体と、前記課電導体の内部に設置された可動接触子と、前記可動接触子を進退動させる可動機構とを備えた開閉装置であって、
前記容器と電気的に絶縁された状態で前記容器の外部から前記可動機構に向けて延設され、前記容器に回転可能に設置された絶縁ロッドと、
一端が前記可動機構に接続され他端が前記絶縁ロッドに埋設され、前記課電導体に回転可能に支持された埋金と、
前記埋金と前記課電導体との間に介在し前記埋金を滑動させる滑動部と、
を備え、
前記埋金には、前記絶縁ロッドと前記滑動部との間に、前記絶縁ロッドの軸中心から半径方向に延在する鍔部が形成されていること、を特徴とする開閉装置。 - 前記鍔部の端部は、前記可動機構側に屈曲すること、を特徴とする請求項1に記載の開閉装置。
- 前記課電導体には、前記埋金の軸を中心とする環状の凹部が前記絶縁ロッドとの対向面に形成され、
前記鍔部の端部は、前記凹部に入り込むこと、を特徴とする請求項2に記載の開閉装置。 - 前記課電導体には、前記埋金の周囲に外接する軸受けが装着されていること、を特徴とする請求項1~3のいずれか1つに記載の開閉装置。
- 前記課電導体の内部には、前記埋金の周囲に外接するOリングが装着されていること、を特徴とする請求項1~3のいずれか1つに記載の開閉装置。
- 絶縁ガスが封入された容器に収納された課電導体と、前記課電導体の内部に設置された可動接触子と、前記可動接触子を進退動させる可動機構とを備えた開閉装置であって、
前記容器と電気的に絶縁された状態で前記容器の外部から前記可動機構に向けて延設され、前記容器に回転可能に設置された絶縁ロッドと、
前記絶縁ロッドの軸方向に埋設され、前記絶縁ロッドから前記可動機構に向けて延設された埋金と、
一端が前記可動機構に接続され他端が前記埋金と嵌合し、前記課電導体に回転可能に支持された継ぎ手と、
前記継ぎ手と前記課電導体との間に介在し前記埋金を滑動させる滑動部と、
を備え、
前記継ぎ手には、前記絶縁ロッドと前記滑動部との間に、前記絶縁ロッドの軸中心から半径方向に延在する鍔部が形成されていること、を特徴とする開閉装置。 - 前記鍔部の端部は、前記可動機構側に屈曲すること、を特徴とする請求項6に記載の開閉装置。
- 前記課電導体には、前記継ぎ手の軸を中心とする環状の凹部が前記絶縁ロッドとの対向面に形成され、
前記鍔部の端部は、前記凹部に入り込むこと、を特徴とする請求項7に記載の開閉装置。 - 前記課電導体には、前記継ぎ手の周囲に外接する軸受けが装着されていること、を特徴とする請求項6~8のいずれか1つに記載の開閉装置。
- 前記課電導体の内部には、前記継ぎ手に外接するOリングが装着されていること、を特徴とする請求項6~8のいずれか1つに記載の開閉装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080067106.3A CN102918617B (zh) | 2010-06-03 | 2010-06-03 | 开关装置 |
PCT/JP2010/059460 WO2011151912A1 (ja) | 2010-06-03 | 2010-06-03 | 開閉装置 |
US13/641,338 US8885327B2 (en) | 2010-06-03 | 2010-06-03 | Switchgear |
JP2010546568A JP4684374B1 (ja) | 2010-06-03 | 2010-06-03 | 開閉装置 |
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PCT/JP2010/059460 WO2011151912A1 (ja) | 2010-06-03 | 2010-06-03 | 開閉装置 |
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US (1) | US8885327B2 (ja) |
JP (1) | JP4684374B1 (ja) |
CN (1) | CN102918617B (ja) |
WO (1) | WO2011151912A1 (ja) |
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KR20120127851A (ko) * | 2011-05-16 | 2012-11-26 | 현대중공업 주식회사 | 가스절연 개폐장치 |
KR102171601B1 (ko) * | 2019-01-04 | 2020-10-29 | 효성중공업 주식회사 | 가스절연개폐기용 전극구동장치 |
CH715757A2 (de) * | 2019-01-17 | 2020-07-31 | Tecpharma Licensing Ag | Modulares Verabreichungsgerät für fluide Medikamentenformulierung. |
Citations (3)
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JPS6021141U (ja) * | 1983-07-05 | 1985-02-14 | 富士電機株式会社 | 開閉器 |
JPH03215105A (ja) * | 1990-01-19 | 1991-09-20 | Toshiba Corp | ガス絶縁開閉装置 |
JP2002152929A (ja) * | 2000-11-10 | 2002-05-24 | Toshiba Corp | ガス絶縁開閉器 |
Family Cites Families (12)
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JPS6021141A (ja) * | 1983-07-14 | 1985-02-02 | Kawasaki Heavy Ind Ltd | オ−トリベツタのための位置決め制御装置 |
JPS61101927A (ja) | 1984-10-25 | 1986-05-20 | 株式会社東芝 | ガス絶縁開閉装置 |
JPH0539113U (ja) | 1991-10-16 | 1993-05-25 | 株式会社東芝 | ガス絶縁開閉装置 |
JPH0536731U (ja) | 1991-10-18 | 1993-05-18 | 日新電機株式会社 | 開閉器操作装置 |
JPH06197423A (ja) * | 1992-12-25 | 1994-07-15 | Toshiba Corp | ガス絶縁開閉装置 |
DE19632574A1 (de) * | 1996-08-13 | 1998-02-19 | Abb Patent Gmbh | Trenn-Erderschalter für eine metallgekapselte, gasisolierte Hochspannungsschaltanlage |
TW460885B (en) * | 1999-08-09 | 2001-10-21 | Hitachi Ltd | Gas circuit breaker |
FR2826503B1 (fr) * | 2001-06-25 | 2003-09-05 | Alstom | Chambre de coupure avec ampoule a vide |
ATE418152T1 (de) * | 2006-01-31 | 2009-01-15 | Abb Technology Ag | Schaltkammer für einen gasisolierten hochspannungsschalter |
FR2901055B1 (fr) * | 2006-05-12 | 2008-07-04 | Areva T & D Sa | Disjoncteur sectionneur d'alternateur actionne par un servo-moteur |
EP2214190B1 (en) * | 2007-11-06 | 2014-09-03 | Mitsubishi Electric Corporation | Switch |
JP5188176B2 (ja) * | 2007-12-28 | 2013-04-24 | 三菱電機株式会社 | 接地開閉器 |
-
2010
- 2010-06-03 JP JP2010546568A patent/JP4684374B1/ja active Active
- 2010-06-03 WO PCT/JP2010/059460 patent/WO2011151912A1/ja active Application Filing
- 2010-06-03 US US13/641,338 patent/US8885327B2/en active Active
- 2010-06-03 CN CN201080067106.3A patent/CN102918617B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6021141U (ja) * | 1983-07-05 | 1985-02-14 | 富士電機株式会社 | 開閉器 |
JPH03215105A (ja) * | 1990-01-19 | 1991-09-20 | Toshiba Corp | ガス絶縁開閉装置 |
JP2002152929A (ja) * | 2000-11-10 | 2002-05-24 | Toshiba Corp | ガス絶縁開閉器 |
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CN102918617B (zh) | 2015-05-13 |
JPWO2011151912A1 (ja) | 2013-07-25 |
JP4684374B1 (ja) | 2011-05-18 |
US20130033798A1 (en) | 2013-02-07 |
CN102918617A (zh) | 2013-02-06 |
US8885327B2 (en) | 2014-11-11 |
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