CN203871217U - Shielding shaft operating mechanism used for high-voltage ring main unit - Google Patents
Shielding shaft operating mechanism used for high-voltage ring main unit Download PDFInfo
- Publication number
- CN203871217U CN203871217U CN201420205670.2U CN201420205670U CN203871217U CN 203871217 U CN203871217 U CN 203871217U CN 201420205670 U CN201420205670 U CN 201420205670U CN 203871217 U CN203871217 U CN 203871217U
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- China
- Prior art keywords
- shield
- operation axle
- hole
- fixed lever
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000012216 screening Methods 0.000 claims description 20
- 238000002955 isolation Methods 0.000 abstract 4
- 238000000034 method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Abstract
The utility model discloses a shielding shaft operating mechanism used for a high-voltage ring main unit. The operating mechanism comprises an installing plate; an isolation operating shaft, an energy storing operating shaft and a grounding operating shaft are arranged on the installing shaft; the isolation operating shaft is arranged under the energy storing operating shaft; the grounding operating shaft is arranged at the bottom right of the energy storing operating shaft; the shielding shaft operating mechanism also comprises a shielding plate, a driving plate and a return spring assembly; the lower end of the shielding shaft is hinged to the isolation operating shaft; a fixed rod 1 is arranged on the back face of the shielding plate; a fixed rod 2 is arranged between the energy storing operating shaft and the grounding operating shaft on the installing plate; one end of the return spring assembly is connected with the fixed rod 1 and the other end is connected with the fixed rod 2; the driving plate is arranged at the back side of the shielding plate; the lower end of the driving plate is fixed on the isolation operating shaft; the driving rod is arranged on the front face of the driving plate; an arc-shaped through hole is arranged corresponding to the driving rod in the shielding plate; and the driving rod passes through the arc-shaped through hole and is capable of freely sliding between two ends of the arc-shaped through hole. According to the utility model, a problem of overlarge areas of a shielding plate is effectively solved.
Description
Technical field
The utility model relates to high-voltage ring main unit field, is specifically a kind of screening axle operating mechanism for high-voltage ring main unit.
Background technology
High-voltage ring main unit need possess five anti-interlockings, comprising preventing mistake point, closes by mistake; Prevent on-load deciliter isolating switch; Prevent from being with cable address splice grafting ground switch.For fear of the generation of this misoperation, generally on the header board of cabinet, be provided with and hide axle operating mechanism.Hiding axle operating mechanism is a kind of operating mechanism that shield rotates between energy storage behaviour's rotating shaft and ground connection operating axis of controlling.When isolated operation axle turns to closing position, the shield on isolated operation axle turns to ground connection operating axis opposite thereupon and covers ground connection operating axis, realizes and prevents the charged earthed switch that closes.When isolated operation axle turns to open position, the shield on isolated operation axle turns to stored energy operation axle opposite thereupon and covers stored energy operation axle, realizes and prevents mistake point, closes by mistake.The screening axle operating mechanism of prior art comprises isolated operation axle, stored energy operation axle, ground connection operating axis and shield, isolated operation axle is positioned at the below of stored energy operation axle, ground connection operating axis is positioned at the lower right of stored energy operation axle, and the lower end of shield is fixed on isolated operation axle.By outer operating grip rotate isolated operation axle realize isolating switch deciliter, drive shield to rotate between stored energy operation axle and ground connection operating axis by isolated operation axle.But stored energy operation axle and ground connection operating axis from very close to, and the angle of isolated operation axle realization deciliter rotation is very large, so shield must be done the very large isolating switch of could realizing in the time of separating brake, shield covers stored energy operation axle, isolating switch is in the time of divide-shut brake, and shield covers ground connection operating axis.Also just increased taking up room of shield but shield area is large, brought inconvenience to other operation on header board, moreover shield area is large easily stretch out the edge of header board, affect the attractive in appearance of whole high-voltage ring main unit, bring the risk reeling to operating personnel again simultaneously.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of novel screening axle operating mechanism for high-voltage ring main unit is provided.
To achieve these goals, the technical solution of the utility model is as follows: a kind of screening axle operating mechanism for high-voltage ring main unit, comprise mounting panel, mounting panel is provided with isolated operation axle, stored energy operation axle and ground connection operating axis, isolated operation axle is positioned at the below of stored energy operation axle, ground connection operating axis is positioned at the lower right of stored energy operation axle, described screening axle operating mechanism also comprises shield, drive plate, return spring assembly, the lower end of shield is hinged on isolated operation axle, the back side of shield is provided with fixed lever one, on mounting panel, between stored energy operation axle and ground connection operating axis, be provided with fixed lever two, one end of return spring assembly is connected with fixed lever one, the other end is connected with fixed lever two, drive plate is positioned at the dorsal part of shield, the lower end of drive plate is fixed on isolated operation axle, the front of drive plate is provided with drive rod, on shield, the position of corresponding drive rod is provided with arc-shaped through-hole, drive rod also can be free to slide at the two ends of arc-shaped through-hole through arc-shaped through-hole, described return spring assembly comprises articulated slab, fixing fixture block, movable clip block and newel, one end of articulated slab is provided with hinge hole, the other end of articulated slab is fixedly connected with an end face of fixing fixture block, the fixing other end of fixture block and one end of newel are fixedly connected with, the other end of newel is provided with for fixed lever two through the radial direction through hole being also slidably matched to axial, movable clip block is slidably socketed on newel, between fixing fixture block and movable clip block, be provided with stage clip, one end of return spring assembly is hinged on fixed lever one by hinge hole, the other end is connected with fixed lever two by radial direction through hole, movable clip block and fixed lever two lean.
Adopt after technique scheme, the utility model compared with prior art, have the following advantages: the utility model is for the screening axle operating mechanism of high-voltage ring main unit, shield is not synchronizeed and is rotated with isolated operation axle, the angle that shield rotates is less than the angle of isolated operation axle realization deciliter rotation, make shield not need large area can in the time of isolating switch separating brake, cover stored energy operation axle, isolating switch covers ground connection operating axis while combined floodgate, efficiently solve the excessive problem of shield area, reduce taking up room of shield, facilitated other operation on header board; Meanwhile, also avoided, because the excessive edge that stretches out header board of shield area affects the attractive in appearance of whole solid insulation ring main unit, having eliminated again shield and having brought the risk reeling to operating personnel.
Brief description of the drawings
Accompanying drawing 1 is the perspective view of the utility model for the screening axle operating mechanism of high-voltage ring main unit.
What accompanying drawing 2 was the utility model for the screening axle operating mechanism of high-voltage ring main unit when the isolating switch separating brake faces structural representation (comprising shield).
What accompanying drawing 3 was the utility model for the screening axle operating mechanism of high-voltage ring main unit when the isolating switch separating brake faces structural representation (removing shield).
What accompanying drawing 4 was the utility model for the screening axle operating mechanism of high-voltage ring main unit in the time that isolating switch closes a floodgate faces structural representation (comprising shield).
What accompanying drawing 5 was the utility model for the screening axle operating mechanism of high-voltage ring main unit in the time that isolating switch closes a floodgate faces structural representation (removing shield).
Accompanying drawing 6 is the utility model structural representations (stage clip is in complete release condition) for the screening axle operating mechanism return spring assembly of high-voltage ring main unit.
Accompanying drawing 7 is the utility model structural representations (stage clip is in complete compressive state) for the screening axle operating mechanism return spring assembly of high-voltage ring main unit.
Shown in accompanying drawing: 1, mounting panel 2, ground connection operating axis 3, stored energy operation axle 4, isolated operation axle 5, shield 6, drive plate 7, drive rod 8, arc-shaped through-hole 9, fixed lever 1, fixed lever 2 11, return spring assembly 12, articulated slab 13, hinge hole 14, fixing fixture block 15, movable clip block 16, newel 17, radial direction through hole 18, stage clip.
embodiment
Below by drawings and Examples, the utility model is further elaborated.
As shown in Figures 1 to 7: a kind of screening axle operating mechanism for high-voltage ring main unit, comprise mounting panel 1, mounting panel 1 is provided with isolated operation axle 4, stored energy operation axle 3 and ground connection operating axis 2, isolated operation axle 4 is positioned at the below of stored energy operation axle 3, ground connection operating axis 2 is positioned at the lower right of stored energy operation axle 3, as shown in Figure 3 and Figure 5.Above-described mounting panel 1 is the header board of high-voltage ring main unit, and isolated operation axle 4, stored energy operation axle 3 and ground connection operating axis 2 extend through on header board by the inside of high-voltage ring main unit.Described screening axle operating mechanism also comprises shield 5, drive plate 6 and return spring assembly 11.The lower end of shield 5 is hinged on isolated operation axle 4, that is to say, shield 5 can freely rotate as axle center taking isolated operation axle 4.When concrete enforcement, only need to open a slightly larger in diameter in the lower end of shield 5 in the circular hole of isolated operation axle 4 diameters, then by circle hole sleeve on isolated operation axle 4.The back side of shield 5 is provided with fixed lever 1, on header board 25, between stored energy operation axle 3 and ground connection operating axis 2, is provided with fixed lever 2 10, and one end of return spring assembly 11 is connected with fixed lever 1, and the other end is connected with fixed lever 2 10.Drive plate 6 is positioned at the dorsal part of shield 5, and the lower end of drive plate 6 is fixed on isolated operation axle 4, that is to say that drive plate 6 synchronizes rotation with isolated operation axle 4, and in the time that isolated operation axle 4 rotates, drive plate 6 also and then rotates.The front of drive plate 6 is provided with drive rod 7, on shield 5, the position of corresponding drive rod 7 is provided with arc-shaped through-hole 8, the corresponding center of circle of arc-shaped through-hole 8, on isolated operation axle 4, that is to say that this arc-shaped through-hole 8 is taking part as the annulus through hole in the center of circle a bit on the axle center of isolated operation axle 4.Drive rod 7 also can be free to slide at the two ends of arc-shaped through-hole 8 through arc-shaped through-hole 8, that is to say, in the time that drive plate 6 rotates, drive rod 7 can slide into the other end from one end in arc-shaped through-hole 8.
Described return spring assembly 11 comprises articulated slab 12, fixing fixture block 14, movable clip block 15 and newel 16, one end of articulated slab 12 is provided with hinge hole 13, the other end of articulated slab 12 is fixedly connected with an end face of fixing fixture block 14, the other end of fixing fixture block 14 is fixedly connected with one end of newel 16, and the other end of newel 16 is provided with for fixed lever 2 10 through the radial direction through hole 17 being also slidably matched to axial.Above-described the axial of newel that axially refer to, meanwhile, fixed lever 2 10 also can relatively rotate in radial direction through hole 17, that is to say that newel 16 can rotate around fixed lever 2 10.Movable clip block 15 is slidably socketed on newel 16, between fixing fixture block 14 and movable clip block 15, be provided with stage clip 18, one end of return spring assembly 11 is hinged on fixed lever 1 by hinge hole 13, the other end of return spring assembly 11 is connected with fixed lever 2 10 by radial direction through hole 17, and movable clip block 15 leans with fixed lever 2 10.When thrust in the time that one end of return spring assembly 11 is subject to rotating from fixed lever 1, because of the radial direction through hole 17 on newel 16 can with fixed lever 2 10 relative slidings, so fixing fixture block 14 and newel 16 can be towards the direction motions of fixed lever 2 10, again because of movable clip block 15 is resisted against on fixed lever 2 10 and can with newel 16 relative slidings, so the stage clip 18 being clipped between movable clip block 15 and fixing fixture block 14 can be compressed, it is elongated that newel 16 stretches out the part of movable clip block 15, as Fig. 7 is the structural representation of stage clip 18 return spring assembly 11 when the compressive state.In the compressed while of stage clip 18, newel 16 rotates on fixed lever 2 10 by radial direction through hole 17, in the time that the thrust from fixed lever 1 disappears, under the effect of stage clip 18, fixing fixture block 14 and newel 16 just can be towards the direction motions of fixed lever 1, finally make stage clip 18 in complete release condition, as Fig. 6 is the structural representation of stage clip 18 return spring assembly 11 when the complete release condition.The above is the compressed overall process with resetting of stage clip 18, is also the compressed overall process with resetting of return spring assembly 11.
The utility model is for the screening axis mechanism of high-voltage ring main unit, in the time of isolating switch separating brake, shield 5 is positioned at stored energy operation axle 3 opposites and covers stored energy operation axle 3, drive rod 7 is positioned at the high order end of arc-shaped through-hole 8, now the line between the line between fixed lever 1 and fixed lever 2 10 and fixed lever 1 and isolated operation axle 4 forms an opening towards right angle, return spring assembly 11 is in complete release condition, shield 5 supports by return spring assembly 11, as shown in Figures 2 and 3, in order to show the structure of shield 5 dorsal parts, in Fig. 3, shield 5 is removed.In the time that isolating switch need to close a floodgate, outer operating grip clockwise rotates isolated operation axle 4, drive plate 6 is turned right, drive rod 7 on drive plate 6 slides from left to right in arc-shaped through-hole 8, in the time that drive rod 7 touches the right-hand member of arc-shaped through-hole 8, drive rod 7 just drives shield 5 to rotate, shield 5 rotates, will promote return spring assembly 11 by the fixed lever 1 on it compresses, in the time that the line between the line between fixed lever 1 and fixed lever 2 10 and fixed lever 1 and isolated operation axle 4 is on same straight line, turn right again and rotate some angles, return spring assembly 11 starts to reset, isolated operation axle 4, drive plate 6 and shield 5 are rotated further, until isolating switch closes a floodgate.If Fig. 4 and Fig. 5 are the structural representation that isolating switch hides axle operating mechanism while closing a floodgate, now shield 5 is positioned at ground connection operating axis 2 opposites and covers ground connection operating axis 2, drive rod 7 is positioned at the low order end of arc-shaped through-hole 8, line between line between fixed lever 1 and fixed lever 2 10 and fixed lever 1 and isolated operation axle 4 forms an opening towards left angle, return spring assembly 11 is just in time in complete release condition, shield 5 supports by return spring assembly 11, in order to show the structure of shield 5 dorsal parts, in Fig. 5, shield 5 is removed.In this process, the angle that isolated operation axle 4 rotates is greater than the angle that shield 5 rotates, and is specifically that the angle that isolated operation axle 4 rotates equals angle and the corresponding radian sum of arc-shaped through-hole 8 that shield 5 rotates.In the time that isolating switch needs separating brake, similar when principle is closed a floodgate to isolating switch, when operation, outer operating grip rotates counterclockwise isolated operation axle 4.
The utility model is for the screening axle operating mechanism of high-voltage ring main unit, shield 5 is not synchronizeed rotation with isolated operation axle 4, the angle that shield 5 rotates is less than the angle of isolated operation axle 4 realization deciliter rotations, make shield 5 not need large area can in the time of isolating switch separating brake, cover stored energy operation axle 3, isolating switch covers ground connection operating axis 2 while combined floodgate, efficiently solve the excessive problem of shield 5 areas, reduced taking up room of shield 5, facilitate other operation on header board 25; Meanwhile, also avoided, because the excessive edge that stretches out header board 25 of shield 5 areas affects the attractive in appearance of whole solid insulation ring main unit, having eliminated again shield 5 and having brought the risk reeling to operating personnel.
The above is enlightenment according to embodiment, and by above-mentioned description, relevant staff can, not departing from the scope of this utility model thought, carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on specification, must determine according to claim scope the scope of its protection.
Claims (1)
1. the screening axle operating mechanism for high-voltage ring main unit, comprise mounting panel, mounting panel is provided with isolated operation axle, stored energy operation axle and ground connection operating axis, isolated operation axle is positioned at the below of stored energy operation axle, ground connection operating axis is positioned at the lower right of stored energy operation axle, it is characterized in that: described screening axle operating mechanism also comprises shield, drive plate, return spring assembly, the lower end of shield is hinged on isolated operation axle, the back side of shield is provided with fixed lever one, on mounting panel, between stored energy operation axle and ground connection operating axis, be provided with fixed lever two, one end of return spring assembly is connected with fixed lever one, the other end is connected with fixed lever two, drive plate is positioned at the dorsal part of shield, the lower end of drive plate is fixed on isolated operation axle, the front of drive plate is provided with drive rod, on shield, the position of corresponding drive rod is provided with arc-shaped through-hole, drive rod also can be free to slide at the two ends of arc-shaped through-hole through arc-shaped through-hole, described return spring assembly comprises articulated slab, fixing fixture block, movable clip block and newel, one end of articulated slab is provided with hinge hole, the other end of articulated slab is fixedly connected with an end face of fixing fixture block, the fixing other end of fixture block and one end of newel are fixedly connected with, the other end of newel is provided with for fixed lever two through the radial direction through hole being also slidably matched to axial, movable clip block is slidably socketed on newel, between fixing fixture block and movable clip block, be provided with stage clip, one end of return spring assembly is hinged on fixed lever one by hinge hole, the other end is connected with fixed lever two by radial direction through hole, movable clip block and fixed lever two lean.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205670.2U CN203871217U (en) | 2014-04-25 | 2014-04-25 | Shielding shaft operating mechanism used for high-voltage ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420205670.2U CN203871217U (en) | 2014-04-25 | 2014-04-25 | Shielding shaft operating mechanism used for high-voltage ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871217U true CN203871217U (en) | 2014-10-08 |
Family
ID=51652142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420205670.2U Expired - Lifetime CN203871217U (en) | 2014-04-25 | 2014-04-25 | Shielding shaft operating mechanism used for high-voltage ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871217U (en) |
-
2014
- 2014-04-25 CN CN201420205670.2U patent/CN203871217U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |