CN212907430U - High-safety pole isolating switch - Google Patents
High-safety pole isolating switch Download PDFInfo
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- CN212907430U CN212907430U CN202021309540.5U CN202021309540U CN212907430U CN 212907430 U CN212907430 U CN 212907430U CN 202021309540 U CN202021309540 U CN 202021309540U CN 212907430 U CN212907430 U CN 212907430U
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- static contact
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Abstract
A high-safety pole-mounted isolating switch comprises a movable knife switch, a switching opening formed in the movable knife switch and a static contact clamped in the switching opening, wherein a plurality of uniformly distributed spherical sliding grooves are formed in the left side and the right side of the static contact; a sliding ball matched with the spherical sliding groove is arranged in the spherical sliding groove, and one end of the sliding ball protrudes out of the spherical sliding groove and is attached to the inner wall of the opening and closing port; a guide head is arranged at the upper end of the static contact and is in an isosceles trapezoid shape with a narrow upper part and a wide lower part; clamping blocks which are symmetrical to each other are arranged on the inner walls of the left side and the right side of the upper part of the opening and closing port, and the distance between the clamping blocks on the left side and the right side is equal to or larger than the thickness of the static contact; a clamping device matched with the outer surface of the guide head is arranged on the inner wall of the clamping block; the clamping block is positioned above the fixed contact. The utility model discloses a smooth and easy nature when isolator can guarantee combined floodgate and separating brake on the high security post effectively avoids appearing the circumstances of jam, stops the potential safety hazard, realizes the high security effect.
Description
Technical Field
The utility model relates to a isolator on post, especially a high security isolator on post.
Background
A pole mounted disconnector is a disconnector mounted on a pole. The current situation that an isolating switch on a center post of a power distribution network is not locked with an incoming line circuit breaker in a station is successfully solved through the development of a locking device on the incoming line circuit breaker in the station, the potential safety hazard that the isolating switch is pulled and closed with a load is avoided, the working risk is effectively reduced, when the isolating switch on the post is switched on, a movable knife switch rotates and is clamped with a fixed static contact, when the isolating switch on the post is switched off, the movable knife switch rotates and is separated from the static contact, the static contact of the traditional isolating switch on the post is flat, and the contact between the static contact and the movable knife switch is plane-to-plane contact, so that when the isolating switch on the post is switched on, the static contact and the movable knife switch can not avoid generating great friction force, the clamping condition can be generated when the isolating switch is switched on and switched off, under the condition that the action is clamped, the movable knife switch can not be in place when the switch, even the case that the locking and the unlocking cannot be performed occurs.
Disclosure of Invention
The utility model aims to solve the current technical problem and provide a isolator on high security post, smooth and easy nature when it can guarantee combined floodgate and separating brake effectively avoids appearing the circumstances of bite, stops the potential safety hazard, realizes high security effect.
The utility model provides a technical scheme that above-mentioned technical problem adopted does:
the utility model discloses a high security is isolator on post, including moving the knife-switch, locating the branch that moves on the knife-switch closes mouthful and block in the intraoral static contact of branch, its characterized in that: a plurality of uniformly distributed spherical sliding grooves are formed in the left side and the right side of the static contact; a sliding ball matched with the spherical sliding groove is arranged in the spherical sliding groove, and one end of the sliding ball protrudes out of the spherical sliding groove and is attached to the inner wall of the opening and closing port; a guide head is arranged at the upper end of the static contact and is in an isosceles trapezoid shape with a narrow upper part and a wide lower part; clamping blocks which are symmetrical to each other are arranged on the inner walls of the left side and the right side of the upper part of the opening and closing port, and the distance between the clamping blocks on the left side and the right side is equal to or larger than the thickness of the static contact; a clamping device matched with the outer surface of the guide head is arranged on the inner wall of the clamping block; the clamping block is positioned above the fixed contact.
The clamping devices are uniformly arranged in a plurality of spherical movable grooves on the inner wall of the clamping block; a clamping ball matched with the spherical movable groove is arranged in the spherical movable groove; the outer surfaces of the left side and the right side of the guide head are provided with a plurality of clamping grooves corresponding to the positions of the spherical movable grooves, and the clamping grooves are arc-shaped.
The left side and the right side of the lower part of the static contact are provided with positioning plates which are symmetrical to each other, and the upper surfaces of the positioning plates are attached to the lower surface of the moving knife gate.
The left side and the right side of the lower surface of the movable disconnecting link are provided with a plurality of collision holes which are uniformly distributed; the bottom of the impact hole is provided with an impact block; the upper surface of the positioning plate is provided with a plurality of impact rods corresponding to the impact blocks, and the upper ends of the impact rods are hemispherical; the upper end of the impact rod is in contact with the lower surface of the impact block.
The utility model has the advantages that:
compared with the prior art, adopt the utility model discloses isolator accessible sliding ball effectively reduces the frictional force between moving knife-switch and the static contact on the high security post of structure to the unsmooth condition appears when effectively avoiding isolator combined floodgate and separating brake on the post, smooth and easy nature when guaranteeing combined floodgate and separating brake can clearly perceive the combined floodgate through the screens device simultaneously and target in place to close floodgate, effectively avoids the combined floodgate not target in place the condition that leads to the accident to take place, effectively stops the potential safety hazard, guarantees high security.
Drawings
Fig. 1 is a schematic structural diagram of a high-safety on-pole disconnecting switch of the present invention;
fig. 2 is a schematic structural diagram of the moving knife switch and the static contact when switching on.
Detailed Description
The invention is described in further detail below with reference to the following figures and detailed description:
referring to fig. 1 and 2, the present invention provides a high-safety pole-mounted disconnecting switch, which includes a movable disconnecting link 1, a separating and closing port 2 disposed on the movable disconnecting link 1, and a static contact 3 clamped in the separating and closing port 2, wherein a plurality of ball-shaped chutes 4 are uniformly distributed on the left and right sides of the static contact 3; a sliding ball 5 matched with the spherical sliding chute 4 is arranged in the spherical sliding chute 4, and one end of the sliding ball 5 protrudes out of the spherical sliding chute 4 and is attached to the inner wall of the opening and closing port 2; a guide head 6 is arranged at the upper end of the static contact 3, and the guide head 6 is in an isosceles trapezoid shape with a narrow upper part and a wide lower part; the inner walls of the left side and the right side of the upper part of the opening and closing part 2 are provided with mutually symmetrical clamping blocks 7, and the distance between the clamping blocks 7 on the left side and the right side is equal to or larger than the thickness of the static contact 3; the inner wall of the clamping block 7 is provided with a clamping device matched with the outer surface of the guide head 6; the clamping block 7 is positioned above the fixed contact 3.
The clamping devices are uniformly arranged in a plurality of spherical movable grooves 8 on the inner wall of the clamping block 7; a clamping ball 9 matched with the spherical movable groove 8 is arranged in the spherical movable groove; the outer surfaces of the left side and the right side of the guide head 6 are provided with a plurality of clamping grooves 10 corresponding to the positions of the spherical movable grooves 8, and the clamping grooves 10 are arc-shaped.
The left side and the right side of the lower part of the static contact 3 are provided with positioning plates 11 which are symmetrical with each other, and the upper surface of each positioning plate 11 is attached to the lower surface of the movable disconnecting link 1.
The left side and the right side of the lower surface of the movable disconnecting link 1 are provided with a plurality of impact holes 12 which are uniformly distributed; the bottom of the impact hole 12 is provided with an impact block 13; the upper surface of the positioning plate 11 is provided with a plurality of impact rods 14 corresponding to the impact blocks 13, and the upper ends of the impact rods 14 are hemispherical; the upper end of the striking rod 14 is in contact with the lower surface of the striking block 13.
The utility model discloses a use method as follows:
when the on-column disconnecting switch is switched on, the movable knife switch 1 can rotate towards the fixed static contact 3, at the moment, the opening and closing port 2 of the movable knife switch 1 moves towards the static contact 3 from top to bottom, the static contact 3 enters the opening and closing port 2 from the lower part of the opening and closing port 2, the guide head 6 firstly enters the opening and closing port 2 in the process that the static contact 3 enters the opening and closing port 2, and the guide head 6 is in the shape of an isosceles trapezoid with a narrow upper part and a wide lower part, so that the guide head 6 can quickly enter the lower end port of the opening and closing port 2, a guide effect is achieved, the static contact 3 can also quickly enter the opening and closing port 2, and the situation that the static contact collides with the lower end port of the opening and closing port 2 to cause mutual damage during switching on is effectively avoided.
Along with the continuous entering of the static contact 3 into the opening and closing port 2, the inner wall of the opening and closing port 2 collides with the sliding ball 5, when the static contact 3 and the opening/closing part 2 are contacted, the sliding ball 5 is driven by the inner wall of the opening/closing part 2 to roll along with the static contact 3 continuously entering the opening/closing part 2, the rolling sliding ball 5 can effectively reduce the friction force between the static contact 3 and the inner wall of the opening/closing part 2, thereby ensuring the smoothness of the downward switching of the movable knife switch 1 and avoiding the jamming condition, when the downward switching of the movable knife switch 1 is in place, the blocking ball 9 on the blocking block 7 just moves to the blocking groove 10 of the guide head 6 along the inclined outer surface of the guide head and is directly blocked into the blocking groove 10, therefore, the clamping and positioning effects are achieved, a worker can clearly understand that the movable knife switch 1 is switched on in place through resistance generated at the moment that the clamping ball 9 is embedded into the clamping groove 10, and at the moment, the switching-on action can be finished.
To sum up, can know, the utility model discloses the frictional force between 1 and the static contact 3 of movable switch is effectively reduced to the accessible sliding ball to the unsmooth condition appears when effectively avoiding on the post isolator combined floodgate and separating brake, smooth and easy nature when guaranteeing combined floodgate and separating brake can be clear to the perception simultaneously through the screens device and is targeted in place to combined floodgate, effectively avoids the circumstances that combined floodgate does not target in place and leads to the accident to take place, effectively stops the potential safety hazard, guarantees high security.
The left and right sides of the lower portion of the static contact 3 are provided with positioning plates 11 which are symmetrical to each other, when the movable disconnecting link 1 is switched on in place, the upper surface of each positioning plate 11 is attached to the lower surface of the movable disconnecting link 1, the existence of each positioning plate 11 can further ensure that the movable disconnecting link 1 can be switched on in place, potential safety hazards are further avoided, the left and right sides of the lower surface of the movable disconnecting link 1 are provided with a plurality of impact holes 12 which are evenly distributed, the bottoms of the impact holes 12 are provided with impact blocks 13, the upper surface of each positioning plate 11 is provided with a plurality of impact rods 14 corresponding to the positions of the impact blocks 13, the upper ends of the impact rods 14 are hemispherical, the upper ends of the impact rods 14 are in contact with the lower surfaces of the impact blocks 13, when the movable disconnecting link 1 is switched on place, the impact rods 14 can impact.
Claims (4)
1. The utility model provides a isolator on high security post, includes the dynamic knife switch, locates the branch that moves on the dynamic knife switch and closes mouthful and the static contact of block in the branch mouth, its characterized in that: a plurality of uniformly distributed spherical sliding grooves are formed in the left side and the right side of the static contact; a sliding ball matched with the spherical sliding groove is arranged in the spherical sliding groove, and one end of the sliding ball protrudes out of the spherical sliding groove and is attached to the inner wall of the opening and closing port; a guide head is arranged at the upper end of the static contact and is in an isosceles trapezoid shape with a narrow upper part and a wide lower part; clamping blocks which are symmetrical to each other are arranged on the inner walls of the left side and the right side of the upper part of the opening and closing port, and the distance between the clamping blocks on the left side and the right side is equal to or larger than the thickness of the static contact; a clamping device matched with the outer surface of the guide head is arranged on the inner wall of the clamping block; the clamping block is positioned above the fixed contact.
2. A high safety pole-mounted disconnector according to claim 1, characterized in that: the clamping devices are uniformly arranged in a plurality of spherical movable grooves on the inner wall of the clamping block; a clamping ball matched with the spherical movable groove is arranged in the spherical movable groove; the outer surfaces of the left side and the right side of the guide head are provided with a plurality of clamping grooves corresponding to the positions of the spherical movable grooves, and the clamping grooves are arc-shaped.
3. A high safety pole-mounted disconnector according to claim 1, characterized in that: the left side and the right side of the lower part of the static contact are provided with positioning plates which are symmetrical to each other, and the upper surfaces of the positioning plates are attached to the lower surface of the moving knife gate.
4. A high safety pole-mounted disconnector according to claim 3, characterized in that: the left side and the right side of the lower surface of the movable disconnecting link are provided with a plurality of collision holes which are uniformly distributed; the bottom of the impact hole is provided with an impact block; the upper surface of the positioning plate is provided with a plurality of impact rods corresponding to the impact blocks, and the upper ends of the impact rods are hemispherical; the upper end of the impact rod is in contact with the lower surface of the impact block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309540.5U CN212907430U (en) | 2020-07-07 | 2020-07-07 | High-safety pole isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021309540.5U CN212907430U (en) | 2020-07-07 | 2020-07-07 | High-safety pole isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212907430U true CN212907430U (en) | 2021-04-06 |
Family
ID=75284100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021309540.5U Expired - Fee Related CN212907430U (en) | 2020-07-07 | 2020-07-07 | High-safety pole isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212907430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345756A (en) * | 2021-07-06 | 2021-09-03 | 贵州电网有限责任公司 | Wire clamp connection-free isolating switch with closing travel guide rail |
-
2020
- 2020-07-07 CN CN202021309540.5U patent/CN212907430U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113345756A (en) * | 2021-07-06 | 2021-09-03 | 贵州电网有限责任公司 | Wire clamp connection-free isolating switch with closing travel guide rail |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210406 Termination date: 20210707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |