CN212907545U - Novel structure of transmission shaft of high-voltage circuit breaker mechanism - Google Patents
Novel structure of transmission shaft of high-voltage circuit breaker mechanism Download PDFInfo
- Publication number
- CN212907545U CN212907545U CN202022382720.2U CN202022382720U CN212907545U CN 212907545 U CN212907545 U CN 212907545U CN 202022382720 U CN202022382720 U CN 202022382720U CN 212907545 U CN212907545 U CN 212907545U
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- Prior art keywords
- shell
- circuit breaker
- transmission shaft
- voltage circuit
- rod
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- Expired - Fee Related
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 29
- 230000003068 static effect Effects 0.000 claims abstract description 17
- 238000010276 construction Methods 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims abstract description 4
- 230000001681 protective effect Effects 0.000 claims description 12
- 230000017525 heat dissipation Effects 0.000 claims description 11
- 230000035945 sensitivity Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 7
- 244000309464 bull Species 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 229910018503 SF6 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 1
- 229960000909 sulfur hexafluoride Drugs 0.000 description 1
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The utility model discloses a high voltage circuit breaker mechanism transmission shaft new construction, including circuit breaking mechanism and drive mechanism, the drive mechanism with circuit breaking mechanism looks adaptation is installed on circuit breaking mechanism's right side, circuit breaking mechanism includes shell, vacuum interrupter, static contact, quiet conducting rod, goes up wire, moving contact, moves conducting rod, connects the patchcord, lower wire and reset spring, the inner wall of shell is provided with vacuum interrupter, the position that the shell corresponds vacuum interrupter is provided with static contact and moving contact, the top of static contact is connected with quiet conducting rod, the top of quiet conducting rod is connected with the wire. The utility model discloses a mutually supporting between circuit breaking mechanism and the drive mechanism has realized a high voltage circuit breaker mechanism transmission shaft new construction, has increased the stability of the drive mechanism operation of circuit breaker to reduce drive mechanism's wearing and tearing, and then guaranteed the sensitivity of circuit breaker, thereby improved the life of circuit breaker.
Description
Technical Field
The utility model relates to a high-voltage apparatus makes technical field, specifically is a high-voltage circuit breaker mechanism transmission shaft new construction.
Background
The high-voltage circuit breaker (or called high-voltage switch) not only can cut off or close the no-load current and load current in the high-voltage circuit, but also can cut off the overload current and short-circuit current by the action of the relay protection device when the system has a fault, and has quite perfect arc extinguishing structure and enough current breaking capacity, and can be divided into: oil circuit breakers (multiple oil circuit breakers, less oil circuit breakers), sulfur hexafluoride circuit breakers (SF 6 circuit breakers), compressed air circuit breakers, vacuum circuit breakers, etc. However, the conventional high-voltage circuit breaker is unstable in transmission, so that the abrasion of a driving mechanism is accelerated, and the high-voltage circuit breaker is insensitive.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem the utility model provides a high voltage circuit breaker mechanism transmission shaft new construction.
In order to achieve the above object, the utility model provides a following technical scheme: a novel structure of a transmission shaft of a high-voltage circuit breaker mechanism comprises a circuit breaking mechanism and a transmission mechanism, wherein the transmission mechanism matched with the circuit breaking mechanism is installed on the right side of the circuit breaking mechanism;
the circuit breaking mechanism comprises a shell, a vacuum arc extinguish chamber, a static contact, a static conductive rod, an upper lead, a moving contact, a moving conductive rod, a connecting flexible wire, a lower lead and a reset spring, wherein the vacuum arc extinguish chamber is arranged on the inner wall of the shell, the static contact and the moving contact are arranged on the shell corresponding to the vacuum arc extinguish chamber, the top of the static contact is connected with the static conductive rod, the upper lead is connected with the top of the static conductive rod, the moving conductive rod is connected with the bottom of the moving contact, the connecting flexible wire is connected with the bottom of the moving conductive rod, the lower lead is connected with the bottom of the connecting flexible wire, and the reset spring is;
drive mechanism includes sealed shell, connecting rod, rack plate, gear wheel and pinion, the right side fixedly connected with connecting rod that moves the conducting rod, the right side fixedly connected with rack plate of connecting rod, the sealed shell is installed on the right side of shell and the position that corresponds the rack plate, just the position that corresponds the rack plate on the inner wall of sealed shell installs the gear wheel rather than intermeshing, just correspond the position of gear wheel on the inner wall of sealed shell and install the pinion rather than intermeshing, the pinion passes through servo motor drive.
Preferably, the top of the return spring is fixedly connected with the bottom of the movable contact.
Preferably, the bottom of the left side of the shell is provided with a heat dissipation hole, and the bottom of the right side of the shell and the position corresponding to the heat dissipation hole are provided with a protective cover matched with the heat dissipation hole.
Preferably, a first insulating protective sleeve matched with the top of the shell and corresponding to the upper lead is sleeved on the top of the shell.
Preferably, a second insulating protective sleeve matched with the bottom of the shell and corresponding to the lower lead is sleeved at the bottom of the shell.
Preferably, the position cover that the inside of shell just corresponds to moving the conducting rod is equipped with the spacing sliding sleeve of insulation rather than the looks adaptation.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model discloses a mutually supporting between circuit breaking mechanism and the drive mechanism has realized a high voltage circuit breaker mechanism transmission shaft new construction, has increased the stability of the drive mechanism operation of circuit breaker to reduce drive mechanism's wearing and tearing, and then guaranteed the sensitivity of circuit breaker, thereby improved the life of circuit breaker.
2. The utility model discloses a set up the louvre and increased the heat dispersion of this device, increased the insulating properties of this device through setting up first insulation lag, the insulating lag of second and insulating spacing sliding sleeve.
Drawings
Fig. 1 is a schematic structural view of a front view of the present invention;
fig. 2 is a structural section view in elevation of the present invention;
fig. 3 is a structural section view of the front view of the transmission mechanism of the present invention.
In the figure: the circuit breaker comprises a circuit breaking mechanism 1, a transmission mechanism 2, a shell 101, a vacuum arc extinguish chamber 102, a static contact 103, a static conducting rod 104, an upper conducting wire 105, a movable contact 106, a movable conducting rod 107, a connecting flexible wire 108, a lower conducting wire 109, a return spring 110, a sealing shell 201, a connecting rod 202, a rack plate 203, a large gear 204, a small gear 205, a heat dissipation hole 3, a first insulating protective sleeve 4, a second insulating protective sleeve 5 and an insulating limiting sliding sleeve 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a new structure of a transmission shaft of a high-voltage circuit breaker mechanism includes a circuit breaker mechanism 1 and a transmission mechanism 2, wherein the transmission mechanism 2 adapted to the circuit breaker mechanism 1 is installed on the right side of the circuit breaker mechanism 1.
Referring to fig. 1-3, the circuit breaking mechanism 1 includes a housing 101, a vacuum interrupter 102, a fixed contact 103, a fixed conductive rod 104, an upper conductive wire 105, a movable contact 106, a movable conductive rod 107, a connecting cord 108, a lower conductive wire 109 and a return spring 110, the bottom of the left side of the housing 101 is provided with a heat dissipation hole 3, the bottom of the right side of the housing 101 and the position corresponding to the heat dissipation hole 3 are provided with a protective cover adapted thereto, the heat dissipation performance of the device is enhanced by the arrangement of the heat dissipation hole 3, the inner wall of the housing 101 is provided with the vacuum interrupter 102, the fixed contact 103 and the movable contact 106 are arranged at the position of the housing 101 corresponding to the vacuum interrupter 102, the top of the fixed contact 103 is connected with the fixed conductive rod 104, the top of the fixed conductive rod 104 is connected with the upper conductive wire 105, the top of the housing 101 and the position corresponding to the upper conductive wire 105 are sleeved with a first insulating protective cover, the bottom of moving contact 106 is connected with moves conducting rod 107, the inside of shell 101 and the position cover that corresponds to moving conducting rod 107 are equipped with the insulating spacing sliding sleeve 6 rather than the looks adaptation, through setting up first insulating protective cover 4, the insulating properties of this device has been increased with insulating spacing sliding sleeve 6 to second insulating protective cover 5, the bottom of moving conducting rod 107 is connected with connection patchcord 108, the bottom of connecting patchcord 108 is connected with down wire 109, the surface cover of moving conducting rod 107 is equipped with reset spring 110, reset spring 110's top and the bottom fixed connection of moving contact 106.
Referring to fig. 1-3, the transmission mechanism 2 includes a sealing housing 201, a connecting rod 202, a rack plate 203, a bull gear 204 and a pinion gear 205, the connecting rod 202 is fixedly connected to the right side of the movable conductive rod 107, the rack plate 203 is fixedly connected to the right side of the connecting rod 202, the sealing housing 201 is installed on the right side of the housing 101 and corresponding to the rack plate 203, the bull gear 204 engaged with the sealing housing is installed on the inner wall of the sealing housing 201 and corresponding to the rack plate 203, the pinion gear 205 engaged with the sealing housing is installed on the inner wall of the sealing housing 201 and corresponding to the bull gear 204, the pinion gear 205 is driven by a servo motor, and by the mutual cooperation between the circuit breaker mechanism 1 and the transmission mechanism 2, a new structure of the transmission shaft of the high-voltage circuit breaker mechanism is realized, the stability of the operation of the transmission mechanism 2 of the circuit breaker is increased, so that the abrasion of, thereby improving the service life of the circuit breaker.
When the system is in fault, the external controller controls the servo motor to rotate so as to drive the pinion 205 to rotate, and therefore under the meshing action of the teeth, the rack plate 203 is shifted to move downwards through the large gear 204, so that the movable conducting rod 107 can be driven to move downwards through the connecting rod 202, the rest of the fixed contacts 103 of the movable contact 106 are separated, and the circuit breaking is realized.
In summary, the following steps: the novel structure of the transmission shaft of the high-voltage circuit breaker mechanism solves the problems mentioned in the background technology by arranging the circuit breaking mechanism 1 and the transmission mechanism 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high voltage circuit breaker mechanism transmission shaft new construction, includes circuit breaking mechanism (1) and drive mechanism (2), its characterized in that: the right side of the circuit breaking mechanism (1) is provided with a transmission mechanism (2) matched with the circuit breaking mechanism (1);
the circuit breaking mechanism (1) comprises a shell (101), a vacuum arc extinguish chamber (102), a static contact (103), a static conducting rod (104), an upper conducting wire (105), a movable contact (106), a movable conducting rod (107), a connecting flexible wire (108), a lower conducting wire (109) and a reset spring (110), the inner wall of the shell (101) is provided with a vacuum arc-extinguishing chamber (102), the shell (101) is provided with a static contact (103) and a movable contact (106) corresponding to the position of the vacuum arc-extinguishing chamber (102), the top of the static contact (103) is connected with a static conductive rod (104), the top of the static conductive rod (104) is connected with an upper lead (105), the bottom of the moving contact (106) is connected with a moving conductive rod (107), the bottom of the moving conductive rod (107) is connected with a connecting flexible wire (108), the bottom of the connecting flexible wire (108) is connected with a lower conducting wire (109), and the surface of the movable conducting rod (107) is sleeved with a return spring (110);
drive mechanism (2) are including sealed shell (201), connecting rod (202), rack plate (203), gear wheel (204) and pinion (205), move right side fixedly connected with connecting rod (202) of conducting rod (107), the right side fixedly connected with rack plate (203) of connecting rod (202), sealed shell (201) is installed on the right side of shell (101) and the position that corresponds rack plate (203), install gear wheel (204) rather than intermeshing on the inner wall of sealed shell (201) and the position that corresponds rack plate (203), install pinion (205) rather than intermeshing on the inner wall of sealed shell (201) and the position that corresponds gear wheel (204), pinion (205) are through the servo motor drive.
2. The new structure of the transmission shaft of the high-voltage circuit breaker mechanism according to claim 1, characterized in that: the top of the return spring (110) is fixedly connected with the bottom of the movable contact (106).
3. The new structure of the transmission shaft of the high-voltage circuit breaker mechanism according to claim 2, characterized in that: the bottom on the left side of the shell (101) is provided with heat dissipation holes (3), and the bottom on the right side of the shell (101) and the positions corresponding to the heat dissipation holes (3) are provided with protective covers matched with the heat dissipation holes.
4. The new structure of the transmission shaft of the high-voltage circuit breaker mechanism according to claim 3, characterized in that: the top of the shell (101) and the position corresponding to the upper lead (105) are sleeved with a first insulating protective sleeve (4) matched with the top of the shell.
5. The new structure of the transmission shaft of the high-voltage circuit breaker mechanism according to claim 4, characterized in that: the bottom of the shell (101) and the position corresponding to the lower lead (109) are sleeved with a second insulating protective sleeve (5) matched with the lower lead.
6. The new structure of the transmission shaft of the high-voltage circuit breaker mechanism according to claim 5, characterized in that: the position cover that just corresponds movable conducting rod (107) in the inside of shell (101) is equipped with rather than the insulating spacing sliding sleeve (6) of looks adaptation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022382720.2U CN212907545U (en) | 2020-10-23 | 2020-10-23 | Novel structure of transmission shaft of high-voltage circuit breaker mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022382720.2U CN212907545U (en) | 2020-10-23 | 2020-10-23 | Novel structure of transmission shaft of high-voltage circuit breaker mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212907545U true CN212907545U (en) | 2021-04-06 |
Family
ID=75261089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022382720.2U Expired - Fee Related CN212907545U (en) | 2020-10-23 | 2020-10-23 | Novel structure of transmission shaft of high-voltage circuit breaker mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212907545U (en) |
-
2020
- 2020-10-23 CN CN202022382720.2U patent/CN212907545U/en not_active Expired - Fee Related
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Legal Events
| 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 |