CN212848177U - Main knife of outdoor high-voltage isolating switch - Google Patents
Main knife of outdoor high-voltage isolating switch Download PDFInfo
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- CN212848177U CN212848177U CN202022356898.XU CN202022356898U CN212848177U CN 212848177 U CN212848177 U CN 212848177U CN 202022356898 U CN202022356898 U CN 202022356898U CN 212848177 U CN212848177 U CN 212848177U
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Abstract
The utility model discloses an outdoor high voltage isolator's main sword, including the isolator body, the isolator body facial make-up is equipped with the installation piece, is equipped with the draw-in groove on the installation piece, and the draw-in groove interpolation is equipped with the fixture block, and the lower casing has been installed to the fixture block upper end, and the upper casing has been installed to the lower casing upper end, and the connecting block has been installed with upper casing both sides to the lower casing, is equipped with the screw hole on the connecting block, and threaded hole interpolation is equipped with fixing bolt, and the isolator body facial make-up is equipped with the main cutter body, and the. The lower sleeve and the upper sleeve are respectively sleeved on the main cutter body and are fixed through the fixing bolt, the main cutter body penetrates through an opening between the lower sleeve and the upper sleeve, the rain blocking plates arranged on two sides of the upper sleeve improve the rain blocking performance of the upper sleeve, the clamping block at the lower end of the lower sleeve is inserted into the clamping groove in the mounting block, and the clamping block is fixed through the stop rod on the mounting block, so that the main cutter body is convenient to detach and has a better main cutter body protection effect.
Description
Technical Field
The utility model belongs to the technical field of isolator, concretely relates to outdoor high voltage isolator's main sword.
Background
The high-voltage isolating switch is an important switching device in an electric system of a power plant and a transformer substation and needs to be matched with a high-voltage circuit breaker for use. The isolating switch is suitable for indoor devices with three-phase alternating current of 50Hz and rated voltage of 12 KV. For switching on, switching off or switching the line in the case of a voltage-loaded train of high-voltage equipment.
The high-voltage isolating switch has the function of isolating voltage, can not be used for cutting off, putting in load current and cutting off short-circuit current, and can only be used for certain switching operations without generating strong electric arcs, namely, the high-voltage isolating switch has no arc extinguishing function; the voltage class is divided into an indoor type and an outdoor type according to different installation places, and is divided into a single column type, a double column type and a three column type according to the number of the insulating support columns, and each voltage class is provided with optional equipment. The defects are as follows: the existing high-voltage isolating switch needs to clean the main knife switch and the contact after being used every time, otherwise, the internal accumulated high-voltage isolating switch can be clamped between the main knife and the contact, the use function of the high-voltage isolating switch is influenced, the local heating is serious, the main knife of the high-voltage isolating switch is exposed in the external air, the external rainwater is acidic, the rainwater can corrode the outer surface of the main knife, the service life of the high-voltage isolating switch is prolonged, and the problem that the protection effect of the main knife of the existing high-voltage isolating switch is poor exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an outdoor high voltage isolator's main sword to solve the poor problem of high voltage isolator main sword protective effect that exists among the prior art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an outdoor high voltage isolator's main sword, includes the isolator body, the isolator body facial make-up is equipped with the installation piece, be equipped with the draw-in groove on the installation piece, the draw-in groove interpolation is equipped with the fixture block, the lower casing has been installed to the fixture block upper end, the upper casing has been installed to the lower casing upper end, the connecting block has been installed to lower casing and upper casing both sides, be equipped with the screw hole on the connecting block, threaded hole is interior to insert and is equipped with fixing bolt, the isolator body facial make-up is equipped with the main cutter body, the main cutter body is inserted and is established between lower.
Preferably, a stop hole is formed in the inner wall of one end of the clamping groove, a stop groove is formed in the clamping block, a stop rod is inserted into the stop hole, the extending end of the stop rod is inserted into the stop groove, a pre-tightening spring is arranged on the stop hole, and the pre-tightening spring is sleeved on the stop rod.
Preferably, the upper end of the lower sleeve is provided with a sealing ring groove, the bottom end of the upper sleeve is provided with a sealing ring, and the sealing ring is inserted in the sealing ring groove.
Preferably, a nut is arranged at the extending end of the fixing bolt, openings are formed in the two sides of the lower sleeve and the upper sleeve, the openings are horn-shaped, the main cutter body penetrates through the openings, and rain baffles are arranged on the two sides of the upper sleeve.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides an outdoor high voltage isolator's main sword has lower sleeve pipe and upper casing through having the cover respectively on the main cutter body, fixes through fixing bolt between it, and the main cutter body passes the opening between lower sleeve pipe and the upper casing, and the weather shield that upper casing both sides were equipped improves its rain-proof performance, has better main cutter body protecting effect.
Drawings
FIG. 1 is a partially cut-away front view of the present invention;
FIG. 2 is an enlarged view of a portion a of FIG. 1;
fig. 3 is an enlarged schematic view of fig. 1 at b.
In the figure: the isolating switch comprises an isolating switch body 1, an installing block 2, a clamping groove 3, a clamping block 4, a lower sleeve 5, an upper sleeve 6, a connecting block 7, a threaded hole 8, a fixing bolt 9, a main cutter body 10, a locking hole 11, a locking groove 12, a locking rod 13, a pre-tightening spring 14, a sealing ring groove 15, a sealing ring 16, a nut 17, an opening 18 and a rain baffle 19.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1, 2 and 3, a main knife of an outdoor high-voltage isolating switch comprises an isolating switch body 1, wherein an installation block 2 is welded on the isolating switch body 1, a clamping groove 3 is arranged on the installation block 2, a clamping block 4 is inserted into the clamping groove 3, a stop hole 11 is arranged on the inner wall of the lower end of the clamping groove 3, a stop groove 12 is arranged on the clamping block 4, a stop rod 13 is inserted into the stop hole 11, the extending end of the stop rod 13 is inserted into the stop groove 12, a pre-tightening spring 14 is welded on the stop hole 11, the pre-tightening spring 14 is in a stretching state, a pre-tightening spring 14 is welded on the outer wall of the stop rod 13, the initial spring force of the pre-tightening spring 14 is 20N, the pre-tightening spring 14 generates upward spring thrust on the stop rod 13, the stop rod 13 is stably inserted into the stop groove 12, a good fixing effect is achieved on the clamping block 4, a lower sleeve 5 is welded on the upper end, the upper end of the lower sleeve 5 is provided with a sealing ring groove 15, the bottom end of the upper sleeve 6 is connected with a sealing ring 16 in an adhering mode, the sealing ring 16 is made of soft rubber, the sealing ring 16 is inserted into the sealing ring groove 15 and performs sealing treatment on the joint of the lower sleeve 5 and the upper sleeve 6, two sides of the lower sleeve 5 and the upper sleeve 6 are welded with connecting blocks 7, each connecting block 7 is provided with a threaded hole 8, a fixing bolt 9 is inserted into the threaded hole 8, a main cutter body 10 is installed on the isolating switch body 1, the main cutter body 10 is inserted between the lower sleeve 5 and the upper sleeve 6, the extending end of the fixing bolt 9 is connected with a nut 17 in a threaded mode, the nut 17 locks the fixing bolt 9, two sides of the lower sleeve 5 and the upper sleeve 6 are provided with openings 18, the openings 18 are horn-shaped, the falling rainwater can slide to the outer side due to the arrangement, the main cutter body 10, the rain shield 19 provides secondary protection to the upper sleeve 6.
In the rain protection of the main cutter body 10, an operator inserts the clamping block 4 at the bottom end of the lower sleeve 5 into the clamping groove 3 on the mounting block 2, at the same time, the operator needs to hold the stop rod 13 by hand and pull the stop rod 13 downwards for a certain distance to enable the stop rod to retract into the stop hole 11, after the clamping block 4 is inserted into the clamping groove 3, the hand holding the stop rod 13 is loosened, the spring thrust generated by the pre-tightening spring of the stop rod 13 is stably inserted into the stop groove 12 on the clamping block 4 to fix the clamping block 4, so as to fix the lower sleeve 5, further, the operator puts the upper sleeve 6 above the lower sleeve 5, enables the main cutter body 10 to penetrate through the horn-shaped opening 18 formed by the lower sleeve 5 and the upper sleeve 6, then enables the lower sleeve 5 to correspond to the threaded holes 8 on the connecting blocks 7 at two sides of the upper sleeve 6, connects the fixing bolt 9 in the threaded hole 8 in a threaded manner that the extending end of the fixing bolt 9 is, meanwhile, a sealing ring 16 positioned at the bottom end of the upper sleeve 6 is inserted into a sealing ring groove 15 at the upper end of the lower sleeve 5 to seal the joint of the lower sleeve and the upper sleeve, and the lower sleeve 5, the upper sleeve 6 and rain baffles 19 at two sides of the upper sleeve 6 have a good protection effect in the daily use process of the main cutter body 10.
Claims (4)
1. The utility model provides an outdoor high voltage isolator's main sword, includes isolator body (1), its characterized in that: the isolating switch is characterized in that an installation block (2) is arranged on the isolating switch body (1), a clamping groove (3) is formed in the installation block (2), a clamping block (4) is inserted into the clamping groove (3), a lower sleeve (5) is installed at the upper end of the clamping block (4), an upper sleeve (6) is installed at the upper end of the lower sleeve (5), connecting blocks (7) are installed on two sides of the lower sleeve (5) and the upper sleeve (6), a threaded hole (8) is formed in each connecting block (7), a fixing bolt (9) is inserted into each threaded hole (8), a main cutter body (10) is arranged on the isolating switch body (1), and the main cutter body (10) is inserted between the lower sleeve (5) and the upper sleeve (6).
2. The main blade of an outdoor high-voltage isolating switch according to claim 1, characterized in that: the clamping groove is characterized in that a stop hole (11) is formed in the inner wall of one end of the clamping groove (3), a stop groove (12) is formed in the clamping block (4), a stop rod (13) is inserted into the stop hole (11), the extending end of the stop rod (13) is inserted into the stop groove (12), a pre-tightening spring (14) is arranged on the stop hole (11), and the pre-tightening spring (14) is sleeved on the stop rod (13).
3. The main blade of an outdoor high-voltage isolating switch according to claim 1, characterized in that: the upper end of the lower sleeve (5) is provided with a sealing ring groove (15), the bottom end of the upper sleeve (6) is provided with a sealing ring (16), and the sealing ring groove (16) is inserted in the sealing ring groove (15).
4. The main blade of an outdoor high-voltage isolating switch according to claim 1, characterized in that: the telescopic type rain-proof cutter is characterized in that a nut (17) is installed at the extending end of the fixing bolt (9), openings (18) are formed in the two sides of the lower sleeve (5) and the upper sleeve (6), the openings (18) are horn-shaped, the main cutter body (10) penetrates through the openings (18), and rain-proof plates (19) are installed on the two sides of the upper sleeve (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022356898.XU CN212848177U (en) | 2020-10-21 | 2020-10-21 | Main knife of outdoor high-voltage isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022356898.XU CN212848177U (en) | 2020-10-21 | 2020-10-21 | Main knife of outdoor high-voltage isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212848177U true CN212848177U (en) | 2021-03-30 |
Family
ID=75154075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022356898.XU Active CN212848177U (en) | 2020-10-21 | 2020-10-21 | Main knife of outdoor high-voltage isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212848177U (en) |
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2020
- 2020-10-21 CN CN202022356898.XU patent/CN212848177U/en active Active
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