CN205140848U - Open high voltage isolator that opens ice perpendicularly - Google Patents
Open high voltage isolator that opens ice perpendicularly Download PDFInfo
- Publication number
- CN205140848U CN205140848U CN201520891332.3U CN201520891332U CN205140848U CN 205140848 U CN205140848 U CN 205140848U CN 201520891332 U CN201520891332 U CN 201520891332U CN 205140848 U CN205140848 U CN 205140848U
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- Prior art keywords
- ice
- opens ice
- pawl
- opens
- conductive arm
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- Withdrawn - After Issue
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Abstract
The utility model discloses an open high voltage isolator that opens ice perpendicularly, the upper portion of operation pull rod (11) articulates in the connecting rod that opens ice (10) one end, and the connecting rod that opens ice (10) other end articulates in the claw that opens ice (7), be provided with the claw that opens ice (7) that can follow electrically conductive arm moving contact surface and make longitudinal sliding motion in the moving contact region inboard of electrically conductive arm (12), the claw that opens ice (7) afterbody articulates with open ice connecting rod (10), and the connecting rod that opens ice (10) other end AND operation pull rods (11) are articulated. The utility model discloses utilize the lower characteristics of shear strength of ice, drive the motion of the mechanism that opens ice simultaneously in the motion of moving contact pull rod, realize opening ice of closed in -process moving contact, then ice -free moving contact opens ice to the static contact under operating device's work again. Simple structure is reasonable, and the reliable operation can satisfy the requirement of opening ice fast.
Description
Technical field
The utility model belongs to high-voltage electrical equipment field, particularly relates to a kind of high voltage isolator of the function that opens ice with machinery.
Background technology
Standard GB/T 1985-2004 " high-voltage alternating current isolating switch and the earthed switch " operation defined under serious freezing conditions is opened ice operation requirements, the divide-shut brake test under namely 10 grades (icing 10mm) and 20 grades of (icing 20mm) conditions.At present, a kind of measure that under solution icing condition, high voltage isolator normally works is ice-melt, as CN201120308342.1, CN201220115423, CN201210507343, CN201420554736.9 etc., adopt ice-out by galvanic mode, but the ice-melt time is longer, and there is certain potential safety hazard.Adopt the high voltage isolator of non-ice-melt measure then to drive the motion of moving contact to realize pressure by operating mechanism to open ice, owing to being limited by power, the rigidity of operating mechanism, the strength and stiffness of electric installation of operating mechanism, all the effect that opens ice can not be realized when icing is blocked up.Current vertically open high voltage isolator divide-shut brake under icing 10mm condition and substantially can meet requirement of opening ice, but under icing 20mm condition, combined floodgate can not be realized and open ice.
Utility model content
In order to overcome the shortcoming of prior art, provide a kind of structure simple, the machinery that can open ice fast opens ice isolating switch.
The purpose of this utility model is achieved in that
One vertically opens the high voltage isolator that opens ice, underframe 1 is symmetrically arranged with two supporting insulators (5a and 5b), two supporting insulators are fixed with conduction fixed contact (6a and 6b), conductive arm 12 one end bearing pin 13 is articulated with a conduction fixed contact 6b, has distance block 9 in the middle of the two panels of conductive arm 12; Underframe is installed supporting connecting lever axle 2, and connecting lever 3 is fixed on connecting lever axle 2, and operation insulator 4 one end is articulated with connecting lever 3, and the other end is fixed with operation pull bar 11 one end, and the other end of operation pull bar 11 is articulated with conductive arm 12; The upper articulation of operation pull bar 11 is in connecting rod 10 one end of opening ice, and the connecting rod other end that opens ice is articulated with the pawl 7 that opens ice; Be provided with the pawl 7 that opens ice can doing longitudinal sliding motion along conductive arm moving contact surface at the moving contact area inside of conductive arm 12, pawl 7 afterbody that opens ice is hinged with the connecting rod 10 that opens ice, and connecting rod 10 other end that opens ice is hinged with operation pull bar 11.
Further, open ice between pawl 7 and conductive arm 12 and be provided with sports limiting device, to ensure to open ice, pawl 7 moves linearly in the slip on conductive arm moving contact surface.
Adopt structure of the present utility model, when isolating switch is in full open mode, the pawl that opens ice is in the moving contact region of conductive arm, namely foremost; When isolating switch is in closing course, under the effect of operation insulator, the pawl that opens ice moves backward, destroying moving contact with fixed contact binding site ice.
When moving contact and fixed contact in conjunction with time, owing to opening ice, pawl leaves contact area, does not affect it and combines, and when isolating switch is completely closed, the pawl that opens ice is in right side extreme position.
The utility model utilizes the feature that the shear strength of ice is lower, drives the motion of ice-breaking mechanism in the motion of moving contact pull bar simultaneously, and realize opening ice of moving contact in closing course, the moving contact then without ice opens ice to fixed contact under the work of operating mechanism again.This icebreaking device is that mechanical type opens ice, simple and reasonable, and reliable operation, can meet the requirement of opening ice fast.
Accompanying drawing explanation
Fig. 1 is the utility model closure state schematic diagram.
Fig. 2 is the utility model open mode schematic diagram.
Fig. 3 looks and side-looking structure chart for the pawl embodiment 1 that opens ice is main.
Fig. 4 looks and side-looking structure chart for the pawl embodiment 2 that opens ice is main.
Fig. 5 looks and side-looking structure chart for the pawl embodiment 3 that opens ice is main.
Fig. 6 looks and plan structure figure for the pawl head embodiment master that opens ice.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
A kind of structure vertically opening the high voltage isolator that opens ice as shown in Figure 1, underframe 1 is fixed with two supporting insulators (5a and 5b), two supporting insulators are fixed with conduction fixed contact (6a and 6b), one end of conductive arm 12 is articulated with a conduction fixed contact 6b by bearing pin 13, has distance block 9 in the middle of conductive arm two panels.Underframe 1 is installed connecting lever axle 2, and connecting lever 3 is fixed on connecting lever axle 2, and operation insulator 4 one end is articulated with connecting lever 3, and the other end is fixed with operation pull bar 11 one end, and the other end of operation pull bar 11 is articulated with conductive arm 12.
Arrange in the moving contact region, inner side of conductive arm 12 pawl 7 that opens ice, the pawl that opens ice is along vertically moving by conductive arm, and the pawl afterbody that opens ice is hinged with the connecting rod 10 that opens ice, and connecting rod 10 other end that opens ice is hinged with operation pull bar 11 head.
The principle of utility model works is:
When isolating switch is in full open mode, the pawl 7 that opens ice is in foremost, the moving contact region be namely combined with fixed contact.When isolating switch is in closing course, under the effect of operation insulator 4, operation pull bar 11 and the connecting rod 10 that opens ice, the pawl 7 that opens ice moves backward, is destroyed by the ice in conductive arm 12 moving contact region.When fixed contact 6a and conductive arm 12 moving contact in conjunction with time, the pawl 7 that opens ice leaves contact area, does not affect it and combines, and when isolating switch is completely closed, the pawl 7 that opens ice is in right side extreme position.
Open ice between pawl 7 and conductive arm 12 and be provided with sports limiting device, to ensure to open ice, pawl moves linearly in the slip on conductive arm moving contact surface.The structure of sports limiting device is in the present embodiment: conductive arm is equipped with position-limitting pin 8, and position-limitting pin is placed in the limit sliding chutes of the pawl 7 that opens ice.In concrete enforcement, stopping means is not limited only to the structure of position-limitting pin+limit sliding chutes, also can lead for flanging, the mode such as guide rail.
Open ice outside pawl 7 head as being more conducive to the rhombus convex surface of ice destruction when vertically moving.
Pawl 7 head that opens ice can be fork-shaped, plate or bar, and the fork-shaped pawl that opens ice can avoid fingertip spring fitting bolt, and the open ice quantity of pawl fork of pawl of fork-shaped is determined according to fingertip spring number, is generally no less than 2.The connecting rod 10 that opens ice can be straight-bar or curved bar, or realizes its function with other similar mechanism.
Claims (7)
1. vertically open the high voltage isolator that opens ice for one kind, it is characterized in that: on underframe (1), be symmetrically arranged with two supporting insulators (5a and 5b), two supporting insulators are fixed with conduction fixed contact (6a and 6b), conductive arm (12) one end bearing pin (13) is articulated with conduction fixed contact (6b), has distance block (9) in the middle of the two panels of conductive arm (12); Connecting lever axle (2) is supported upper installation of underframe (1), connecting lever (3) is fixed on connecting lever axle (2), operation insulator (4) one end is articulated with connecting lever (3), the other end is fixed with operation pull bar (11) one end, and the other end of operation pull bar (11) is articulated with conductive arm (12); The upper articulation of operation pull bar (11) is in the connecting rod that opens ice (10) one end, and the connecting rod that opens ice (10) other end is articulated with the pawl that opens ice (7); The pawl that opens ice (7) can doing longitudinal sliding motion along conductive arm moving contact surface is provided with at the moving contact area inside of conductive arm (12), pawl (7) afterbody that opens ice is hinged with the connecting rod (10) that opens ice, and the connecting rod that opens ice (10) other end is hinged with operation pull bar (11).
2. according to claim 1ly vertically open the high voltage isolator that opens ice, it is characterized in that, open ice between pawl (7) and conductive arm (12) and be provided with sports limiting device, to ensure to open ice, pawl (7) moves linearly in the slip on conductive arm moving contact surface.
3. according to claim 2ly vertically open the high voltage isolator that opens ice, it is characterized in that, the structure of described sports limiting device is: conductive arm is equipped with position-limitting pin (8), described position-limitting pin is placed in the limit sliding chutes of the pawl that opens ice (7).
4. according to Claims 2 or 3, vertically open the high voltage isolator that opens ice, it is characterized in that, for being more conducive to the rhombus convex surface of ice destruction when vertically moving outside the pawl that opens ice (7) head.
5. according to Claims 2 or 3 or described vertically open the high voltage isolator that opens ice, it is characterized in that, the pawl that opens ice (7) head is fork-shaped, plate or bar, and the fork-shaped pawl that opens ice can avoid fingertip spring fitting bolt.
6. according to claim 5ly vertically open the high voltage isolator that opens ice, it is characterized in that, the open ice quantity of pawl fork of pawl of fork-shaped is determined according to fingertip spring number, is no less than 2.
7. according to claim 1ly vertically open the high voltage isolator that opens ice, it is characterized in that, the connecting rod that opens ice (10) can be straight-bar or curved bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891332.3U CN205140848U (en) | 2015-11-09 | 2015-11-09 | Open high voltage isolator that opens ice perpendicularly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520891332.3U CN205140848U (en) | 2015-11-09 | 2015-11-09 | Open high voltage isolator that opens ice perpendicularly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140848U true CN205140848U (en) | 2016-04-06 |
Family
ID=55626613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520891332.3U Withdrawn - After Issue CN205140848U (en) | 2015-11-09 | 2015-11-09 | Open high voltage isolator that opens ice perpendicularly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140848U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261516A (en) * | 2015-11-09 | 2016-01-20 | 西南交通大学 | A vertically-opening ice breaking high-voltage isolation switch |
| CN112053889A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum circuit breaker with isolation function |
-
2015
- 2015-11-09 CN CN201520891332.3U patent/CN205140848U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105261516A (en) * | 2015-11-09 | 2016-01-20 | 西南交通大学 | A vertically-opening ice breaking high-voltage isolation switch |
| CN112053889A (en) * | 2020-09-17 | 2020-12-08 | 安徽普众机电有限公司 | Vacuum circuit breaker with isolation function |
| CN112053889B (en) * | 2020-09-17 | 2022-10-28 | 安徽普众机电有限公司 | Vacuum circuit breaker with isolation function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160406 Effective date of abandoning: 20170412 |
|
| AV01 | Patent right actively abandoned |