CN219800733U - Full-insulation electric isolating switch of contact net - Google Patents
Full-insulation electric isolating switch of contact net Download PDFInfo
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- CN219800733U CN219800733U CN202320974128.2U CN202320974128U CN219800733U CN 219800733 U CN219800733 U CN 219800733U CN 202320974128 U CN202320974128 U CN 202320974128U CN 219800733 U CN219800733 U CN 219800733U
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- 238000009413 insulation Methods 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 44
- 230000003068 static effect Effects 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 239000012212 insulator Substances 0.000 claims description 35
- 239000007787 solid Substances 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 abstract description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 241000607479 Yersinia pestis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to a contact net all-insulation electric isolating switch, relates to the technical field of electrified railway contact net equipment, and is used for solving the problem that the safety of a traction power supply system is affected in the electrified railway contact net isolating switch. Comprising the following steps: a base; the fixed seal supporting component is arranged on the base; the first insulating static contact assembly is arranged on the fixed seal supporting assembly; the second insulating static contact assembly is arranged on the fixed seal supporting assembly and is opposite to the first insulating static contact assembly in the first direction; the fixed sealing knife switch assembly is pivotally connected with the second insulating fixed contact assembly; the operating mechanism is arranged on the base and is connected with the sealing knife switch assembly. According to the utility model, after closing, the moving contact on the fixed sealing knife switch assembly and the fixed contact on the insulating fixed contact assembly are completely sealed in the insulating material at the periphery of the insulating fixed contact assembly, so that the full sealing of the contact part is realized, and the problem that the safety of a traction power supply system is influenced due to the contact net isolating switch is solved.
Description
Technical Field
The utility model relates to the technical field of electrified railway contact network equipment, in particular to a contact network all-insulation electric isolating switch.
Background
At present, an electrified railway contact net isolating switch is arranged on a line, and is arranged outdoors, a disconnecting link and a contact electrified body are exposed (refer to Chinese patent number CN 207572302U), the electric performance is easily affected by pollution, strong wind and ice and snow, the insulating performance is reduced, and meanwhile, short circuit or ground fault is easily caused by small animals or hanging objects, so that the safety of a traction power supply system is easily affected.
The above is said to be a problem in the prior art that the safety of the traction power supply system is affected by the disconnecting switch of the overhead contact system of the electrified railway.
Disclosure of Invention
The utility model provides a contact net all-insulation electric isolating switch which is used for solving the problem that the safety of a traction power supply system is affected in an electrified railway contact net isolating switch.
The utility model provides a contact net all-insulation electric isolating switch, which comprises: a base; the fixed sealing support component is arranged on the base; the first insulating static contact assembly is arranged on the fixed seal supporting assembly; the second insulating static contact assembly is arranged on the fixed seal supporting assembly and is opposite to the first insulating static contact assembly in the first direction; the fixed sealing knife switch assembly is pivotally connected with the second insulating fixed contact assembly; the control mechanism is arranged on the base and is connected with the fixed sealing knife switch assembly; the control mechanism can drive the fixed sealing knife switch assembly to rotate relative to the second insulating fixed contact assembly so as to switch on or off the first insulating fixed contact assembly and the second insulating fixed contact assembly; when the first insulating fixed contact assembly and the second insulating fixed contact assembly are conducted, the contact conduction position of the fixed sealing disconnecting link assembly and the first insulating fixed contact assembly is sealed in the first insulating fixed contact assembly, and the contact conduction position of the fixed sealing disconnecting link assembly and the second insulating fixed contact assembly is sealed in the second insulating fixed contact assembly.
In one embodiment, a seal support assembly includes: the first fixed and sealed post insulator is arranged on the base; the second solid-sealed pillar insulator is arranged on the base and is arranged at intervals in the first direction with the first solid-sealed pillar insulator; the first insulating static contact assembly is arranged on the first solid-sealed pillar insulator, and the second insulating static contact assembly is arranged on the second solid-sealed pillar insulator.
In one embodiment, a first insulated stationary contact assembly includes: one end of the first insulating static contact is arranged on the first fixed sealing post insulator; the first anti-loose flange is arranged at the other end of the first insulating static contact; and a first tubular busbar member, one end of which is connected to the first locking flange; and a first tubular busbar connected to the other end of the first tubular busbar member.
In one embodiment, the second insulating stationary contact assembly includes: one end of the second insulating static contact is arranged on the second fixed sealing post insulator; the second anti-loose flange is arranged at the other end of the second insulating static contact; and a second tubular busbar member, one end of which is connected to the second locking flange; and a second tubular busbar connected to the other end of the second tubular busbar member.
In one embodiment, a solid seal knife switch assembly comprises: the disconnecting link rotary supporting member is arranged on the second solid-sealed post insulator; and a knife switch rotating member, one end of which is pivotally connected with the knife switch rotating support member; and
the fixed sealing knife switch is connected with the other end of the knife switch rotating member; when the solid-sealed disconnecting link contacts the first solid-sealed post insulator and the second solid-sealed post insulator simultaneously, the first insulating static contact assembly and the second insulating static contact assembly are communicated, and the contact net full-insulating electric isolating switch is opened.
In one embodiment, the steering mechanism includes: one end of the connecting rod assembly is pivotally connected with the fixed sealing knife switch; the driving assembly is arranged on the base and is connected with the other end of the connecting rod assembly; the driving assembly can drive the connecting rod assembly to act so as to drive the sealing knife switch to rotate.
In one embodiment, the drive assembly includes a drive motor having a fixed end secured to the base and a drive shaft coupled to the linkage assembly.
In one embodiment, a connecting rod assembly includes: the main shaft turning wall is connected with the driving shaft; one end of the insulating pull rod is pivotally connected with the main shaft turning wall, and the other end of the insulating pull rod is pivotally connected with the sealing knife switch; the driving shaft can drive the main shaft turning wall to rotate so as to drive the insulating pull rod to push the sealing knife switch to rotate.
In one embodiment, the contact net all-insulation electric isolating switch further comprises an auxiliary switch assembly, wherein the auxiliary switch assembly is arranged on the base and is used for sending out an opening and closing signal of the contact net all-insulation electric isolating switch.
In one embodiment, the auxiliary switch assembly includes: the shaft sleeve is fixed on the driving assembly; and an auxiliary switch connecting piece, one end of which is connected with the shaft sleeve; the auxiliary switch is arranged on the base and is connected with the other end of the auxiliary switch connecting piece; the auxiliary switch is connected with the shaft sleeve through an auxiliary switch connecting piece, the shaft sleeve drives the auxiliary switch to act, the auxiliary switch changes along with the change of the position of the contact net full-insulation electric isolating switch, and a switching signal is sent out.
Compared with the prior art, the utility model has the advantages that the moving contact on the fixed sealing knife switch assembly and the fixed contact on the insulating fixed contact assembly are completely sealed in the insulating material at the periphery of the insulating fixed contact assembly after closing, so that the full sealing of the contact part is realized, the waterproof, dustproof and bird damage preventing degree of the contact net full-insulating electric isolating switch is strong, the safety and the reliability are realized, meanwhile, short circuit caused by flying birds and foreign matters can be avoided, and the heating phenomenon caused by corrosion, oxidization and the like of conductors exposed in the air for a long time can be avoided. Therefore, the electric isolating switch with all insulation of the overhead contact system can work stably and reliably, and the problem that the safety of a traction power supply system is affected due to the fact that the electric isolating switch with the overhead contact system of the electrified railway is solved.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
Fig. 1 is a front view of an all-insulated electric disconnector of a catenary in an embodiment of the present utility model;
fig. 2 is a top view of a front view of the overhead line fully insulated electrical disconnector of fig. 1.
Reference numerals:
10. a base; 20. fixing and sealing the supporting component; 21. a first solid seal post insulator; 22. a second solid seal post insulator; 30. a first insulating stationary contact assembly; 31. a first insulating stationary contact; 32. a first anti-loose flange; 33. a first tubular busbar; 34. a first tubular busbar member; 40. a second insulating stationary contact assembly; 41. a second insulating stationary contact; 42. the second anti-loose flange; 43. a second tubular busbar; 44. a second tubular busbar member; 50. a sealing knife switch assembly; 51. a knife switch rotary support member; 52. a knife switch rotating member; 53. sealing the knife switch; 60. an operating mechanism; 61. a connecting rod assembly; 611. a spindle turning wall; 612. an insulating pull rod; 62. a drive assembly; 70. an auxiliary switch assembly; 71. a shaft sleeve; 72. an auxiliary switch connector; 73. and an auxiliary switch.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present utility model provides a contact net all-insulation electric isolating switch, which comprises a base 10, a fixed seal supporting component 20, a first insulation static contact component 30, a second insulation static contact component 40, a fixed seal disconnecting link component 50 and a control mechanism 60. Wherein, the fixed seal support assembly 20 is disposed on the base 10, and the first insulating stationary contact assembly 30 is disposed on the fixed seal support assembly 20. The second insulating fixed contact assembly 40 is disposed on the fixed seal support assembly 20 and is disposed opposite to the first insulating fixed contact assembly 30 in the first direction; the stationary seal knife switch assembly 50 is pivotally connected to the second insulated stationary contact assembly 40. The operating mechanism 60 is arranged on the base 10 and is connected with the sealing knife switch assembly 50; the operating mechanism 60 can drive the fixed seal knife switch assembly 50 to rotate relative to the second insulating fixed contact assembly 40 to conduct the first insulating fixed contact assembly 30 and the second insulating fixed contact assembly 40, or disconnect the first insulating fixed contact assembly 30 and the second insulating fixed contact assembly 40, when the first insulating fixed contact assembly 30 is conducted with the second insulating fixed contact assembly 40, the contact conducting part (the moving contact on the fixed seal knife switch assembly 50 and the fixed contact on the first insulating fixed contact assembly 30) of the fixed seal knife switch assembly 50 and the contact conducting part (the moving contact on the fixed seal knife switch assembly 50 and the fixed contact on the second insulating fixed contact assembly 40) of the fixed seal knife switch assembly 50 and the second insulating fixed contact assembly 40 are sealed in the second insulating fixed contact assembly 40.
In the above-mentioned setting, will seal the moving contact on the switch subassembly 50 and the static contact on the insulating static contact subassembly completely seal in insulating material of insulating static contact subassembly periphery after closing a floodgate, realized the full seal of contact position like this for contact net all-insulated electric isolator waterproof, dustproof, prevent bird degree strong, and safe and reliable, can avoid flying bird and foreign matter to lead to the short circuit simultaneously, also can avoid the conductor to expose in the air for a long time because of the phenomenon of generating heat that corrodes, oxidation etc. cause. Therefore, the electric isolating switch with all insulation of the overhead contact system can work stably and reliably, and the problem that the safety of a traction power supply system is affected due to the fact that the electric isolating switch with the overhead contact system of the electrified railway is solved.
Specifically, as shown in fig. 1 and 2, in one embodiment, the solid seal support assembly 20 includes a first solid seal post insulator 21 and a second solid seal post insulator 22. Wherein, the first fixed and sealed post insulator 21 is arranged on the base 10; the second solid sealed pillar insulator 22 is arranged on the base 10, and the second solid sealed pillar insulator 22 and the first solid sealed pillar insulator 21 are arranged at intervals in the first direction; the first insulated stationary contact assembly 30 is disposed on the first fixed seal leg insulator 21 and the second insulated stationary contact assembly 40 is disposed on the second fixed seal leg insulator 22.
Specifically, as shown in fig. 1 and 2, in one embodiment, the first insulating stationary contact assembly 30 includes a first insulating stationary contact 31, a first locking flange 32, a first tubular busbar member 34, and a first tubular busbar 33. Wherein, one end of the first insulating fixed contact 31 is arranged on the first fixed seal pillar insulator 21, and the first anti-loose flange 32 is arranged at the other end of the first insulating fixed contact 31; one end of the first tubular busbar member 34 is connected to the first locking flange 32; the first tubular busbar 33 is connected to the other end of the first tubular busbar member 34.
Specifically, as shown in fig. 1 and 2, in one embodiment, the second insulating stationary contact assembly 40 includes a second insulating stationary contact 41, a second locking flange 42, a second tubular busbar member 44, and a second tubular busbar 43. Wherein, one end of the second insulating fixed contact 41 is arranged on the second fixed sealing post insulator 22, and the second anti-loose flange 42 is arranged at the other end of the second insulating fixed contact 41; one end of the second tubular bus bar member 44 is connected to the second locking flange 42; the second tubular busbar 43 is connected to the other end of the second tubular busbar member 44.
In the above arrangement, the first insulating stationary contact assembly 30 and the second insulating stationary contact assembly 40 are designed as an integrated structure. Therefore, the waterproof, dustproof and bird pest preventing capabilities of the contact net all-insulation electric isolating switch are further improved. Further, the contact net all-insulation electric isolating switch is ensured to work stably and reliably.
Specifically, as shown in fig. 1 and 2, in one embodiment, the seal-knife switch assembly 50 includes a knife switch rotational support member 51, a knife switch rotational member 52, and a seal-knife switch 53. Wherein a knife switch rotation supporting member 51 is arranged on the second fixed sealing post insulator 22, and one end of a knife switch rotation member 52 is pivotally connected with the knife switch rotation supporting member 51; the sealing knife switch 53 is connected with the other end of the knife switch rotating member 52; when the solid-sealed disconnecting link 53 is simultaneously contacted with the first solid-sealed post insulator 21 and the second solid-sealed post insulator 22, the contact net all-insulation electric isolating switch is opened.
Specifically, as shown in fig. 1 and 2, in one embodiment, the steering mechanism 60 includes a linkage assembly 61 and a drive assembly 62. Wherein one end of the connecting rod assembly 61 is pivotally connected with the sealing knife switch 53; the driving assembly 62 is disposed on the base 10 and connected to the other end of the link assembly 61; the driving component 62 can drive the connecting rod component 61 to act so as to drive the sealing knife switch 53 to rotate.
Specifically, as shown in fig. 1 and 2, in one embodiment, the driving assembly 62 includes a driving motor having a fixed end fixed to the base 10 and a driving shaft connected to the link assembly 61.
Specifically, as shown in fig. 1 and 2, in one embodiment, the linkage assembly 61 includes a spindle crankwall 611, an insulating tie rod 612. Wherein the main shaft turning wall 611 is connected with the driving shaft; one end of the insulating pull rod 612 is pivotally connected with the main shaft turning wall 611, and the other end of the insulating pull rod is pivotally connected with the sealing knife switch 53; the driving shaft can drive the main shaft turning wall 611 to rotate so as to drive the insulating pull rod 612 to drive the sealing knife switch 53 to rotate.
Specifically, as shown in fig. 1 and 2, in one embodiment, the device further includes an auxiliary switch assembly 70, where the auxiliary switch assembly 70 is disposed on the base 10 and is used to send out a switching signal of the contact net all-insulated electric isolating switch.
Specifically, as shown in fig. 1 and 2, in one embodiment, the auxiliary switch assembly 70 includes a sleeve 71, an auxiliary switch connector 72, and an auxiliary switch 73. Wherein the sleeve 71 is fixed to the drive assembly 62; one end of the auxiliary switch connecting piece 72 is connected with the shaft sleeve 71; the auxiliary switch 73 is provided on the base 10 and connected to the other end of the auxiliary switch connecting piece 72; the auxiliary switch 73 is connected with the shaft sleeve 71 through the auxiliary switch connecting piece 72, the shaft sleeve 71 acts to drive the auxiliary switch 73 to act, the auxiliary switch 73 changes along with the change of the position of the contact net all-insulation electric isolating switch, and a switching signal is sent out.
The working principle of the contact net all-insulation electric isolating switch is described below:
the driving motor is started to drive the main shaft (driving shaft) to rotate, the insulating pull rod connected with the main shaft is driven to move up and down, the insulating pull rod drives the fixedly sealed knife switch to move, the contact net switch is separated and closed, meanwhile, the main shaft is rotated, the shaft sleeve is driven to move, the auxiliary switch is connected with the shaft sleeve through the auxiliary switch connecting piece, the shaft sleeve moves to drive the auxiliary switch to move, and therefore the auxiliary switch is separated (disconnected) or closed, the auxiliary switch changes along with the change of the switch position, and corresponding separation or closing signals are sent.
The shaft sleeve is mainly used for connecting the auxiliary switch connecting piece with the driving main shaft, the auxiliary switch connecting piece is used for connecting the auxiliary switch with the shaft sleeve, the shaft sleeve is sleeved on the driving main shaft and acts along with the action of the main shaft, and meanwhile, the auxiliary switch is driven to act through the auxiliary switch connecting piece.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. An all-insulated electric isolating switch of a contact network, which is characterized by comprising:
a base; and
the fixed seal supporting component is arranged on the base; and
the first insulating static contact assembly is arranged on the fixed seal supporting assembly;
the second insulating static contact assembly is arranged on the fixed seal supporting assembly and is opposite to the first insulating static contact assembly in the first direction; and
the fixed sealing knife switch assembly is pivotally connected with the second insulating fixed contact assembly; and
the control mechanism is arranged on the base and is connected with the fixed sealing knife switch assembly;
the control mechanism can drive the fixed sealing knife switch assembly to rotate relative to the second insulating fixed contact assembly so as to turn on or off the first insulating fixed contact assembly and the second insulating fixed contact assembly; when the first insulating fixed contact assembly is conducted with the second insulating fixed contact assembly, the contact conduction position of the fixed sealing disconnecting link assembly and the first insulating fixed contact assembly is sealed in the first insulating fixed contact assembly, and the contact conduction position of the fixed sealing disconnecting link assembly and the second insulating fixed contact assembly is sealed in the second insulating fixed contact assembly.
2. The overhead line fully insulated electrical disconnector according to claim 1, wherein said solid seal support assembly comprises:
the first fixed and sealed post insulator is arranged on the base; and
the second solid-sealed pillar insulator is arranged on the base and is arranged at intervals in the first direction with the first solid-sealed pillar insulator;
the first insulating static contact assembly is arranged on the first fixed sealing post insulator, and the second insulating static contact assembly is arranged on the second fixed sealing post insulator.
3. The overhead line fully-insulated electrical disconnector according to claim 2, characterized in that the first insulated stationary contact assembly comprises:
one end of the first insulating static contact is arranged on the first fixed sealing post insulator; and
the first anti-loose flange is arranged at the other end of the first insulating static contact; and
one end of the first tubular bus member is connected with the first anti-loosening flange; and
and the first tubular bus bar is connected with the other end of the first tubular bus bar component.
4. The overhead line fully-insulated electrical disconnector according to claim 2, characterized in that the second insulated stationary contact assembly comprises:
one end of the second insulating static contact is arranged on the second fixed sealing post insulator; and
the second anti-loose flange is arranged at the other end of the second insulating static contact; and
one end of the second tubular bus member is connected with the second anti-loose flange; and
and the second tubular bus bar is connected with the other end of the second tubular bus bar component.
5. The overhead line fully-insulated electrical disconnector according to claim 2, wherein said solid-sealed knife switch assembly comprises:
the disconnecting link rotary supporting member is arranged on the second solid-sealed post insulator; and
one end of the knife switch rotating member is pivotally connected with the knife switch rotating support member; and
the fixed sealing knife switch is connected with the other end of the knife switch rotating member;
when the solid-sealed disconnecting link contacts the first solid-sealed pillar insulator and the second solid-sealed pillar insulator at the same time, the first insulating static contact assembly is communicated with the second insulating static contact assembly, and the contact net full-insulating electric isolating switch is opened.
6. The overhead line fully-insulated electrical disconnector according to claim 5, characterized in that said operating member comprises:
one end of the connecting rod assembly is pivotally connected with the fixed sealing knife switch; and
the driving assembly is arranged on the base and is connected with the other end of the connecting rod assembly;
the driving assembly can drive the connecting rod assembly to act so as to drive the sealing knife switch to rotate.
7. The overhead line system all-insulated electric disconnecting switch according to claim 6, wherein the driving assembly comprises a driving motor, a fixed end of which is fixed on the base, and a driving shaft of which is connected with the connecting rod assembly.
8. The overhead line fully-insulated electrical disconnector according to claim 7, characterized in that said link assembly comprises:
the main shaft turning wall is connected with the driving shaft; and
one end of the insulating pull rod is pivotally connected with the main shaft turning wall, and the other end of the insulating pull rod is pivotally connected with the sealing knife switch;
the driving shaft can drive the main shaft turning wall to rotate so as to drive the insulating pull rod to push the sealing knife switch to rotate.
9. The overhead line system all-insulated electric isolating switch according to claim 6, further comprising an auxiliary switch assembly, wherein the auxiliary switch assembly is disposed on the base and is configured to send out an on-off signal of the overhead line system all-insulated electric isolating switch.
10. The overhead line fully-insulated electrical disconnector according to claim 9, characterized in that said auxiliary switch assembly comprises:
the shaft sleeve is fixed on the driving assembly; and
one end of the auxiliary switch connecting piece is connected with the shaft sleeve; and
the auxiliary switch is arranged on the base and is connected with the other end of the auxiliary switch connecting piece;
the auxiliary switch is connected with the shaft sleeve through an auxiliary switch connecting piece, the shaft sleeve can drive the auxiliary switch to act, the auxiliary switch changes along with the change of the position of the contact net full-insulation electric isolating switch, and the switching-on and switching-off signal is sent out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974128.2U CN219800733U (en) | 2023-04-25 | 2023-04-25 | Full-insulation electric isolating switch of contact net |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320974128.2U CN219800733U (en) | 2023-04-25 | 2023-04-25 | Full-insulation electric isolating switch of contact net |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219800733U true CN219800733U (en) | 2023-10-03 |
Family
ID=88152107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320974128.2U Active CN219800733U (en) | 2023-04-25 | 2023-04-25 | Full-insulation electric isolating switch of contact net |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219800733U (en) |
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2023
- 2023-04-25 CN CN202320974128.2U patent/CN219800733U/en active Active
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