CN111430197B - Circuit breaker reset locking mechanism - Google Patents
Circuit breaker reset locking mechanism Download PDFInfo
- Publication number
- CN111430197B CN111430197B CN202010397226.5A CN202010397226A CN111430197B CN 111430197 B CN111430197 B CN 111430197B CN 202010397226 A CN202010397226 A CN 202010397226A CN 111430197 B CN111430197 B CN 111430197B
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- worm
- circuit breaker
- locking mechanism
- welded
- support rod
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000012423 maintenance Methods 0.000 abstract description 10
- 238000003466 welding Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/50—Manual reset mechanisms which may be also used for manual release
- H01H71/62—Manual reset mechanisms which may be also used for manual release with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention discloses a circuit breaker reset locking mechanism, relates to the technical field of circuit breakers, and aims at solving the problem of preventing reset after a circuit breaker is disconnected. According to the device, after the breaker trips, maintenance personnel support the disconnecting link when maintaining the device or the circuit by combining various structures, so that the disconnecting link is prevented from being reset by other people unconsciously, the damage of equipment is guaranteed, the life and health of the maintenance personnel are protected, the locking of the disconnecting link is replaced by padlock, the circuit breaker can be conveniently reset by the maintenance personnel, the time is saved, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of circuit breakers, in particular to a reset locking mechanism of a circuit breaker.
Background
The circuit breaker is a switching device capable of closing, carrying, and opening/closing a current under a normal circuit condition and a current under an abnormal circuit condition for a predetermined time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their range of use. The circuit breaker is generally applied to the front end of a power supply line, the capacitance is large, and after a fault trip occurs to the circuit, non-professional personnel or people with unknown reasons are easy to switch on by mistake, so that personnel or equipment loss occurs.
The anti-misoperation closing in the prior art mainly adopts the modes of setting a mark, a padlock and the like, but the modes are complex in operation and poor in effect in the specific operation process.
Disclosure of Invention
The circuit breaker reset locking mechanism provided by the invention solves the problem of resetting prevention after the circuit breaker is disconnected.
In order to achieve the purpose, the invention adopts the following technical scheme:
circuit breaker locking mechanical system that resets, which comprises a housin, the inside of casing is equipped with first diaphragm and second diaphragm, the inside of casing is equipped with the worm wheel, the below of worm wheel is equipped with first worm, the sleeve has been cup jointed at the both ends of first worm, swing joint has branch on the sleeve, the top welding of branch has half-gear, the top of half-gear is equipped with the rack, and meshes the transmission between half-gear and the rack, the both sides of worm wheel are equipped with the second worm, and meshes the transmission between worm wheel and the second worm, there is the disc at the top of second worm through bolted connection, the top ball of disc articulates there is first vaulting pole, the top swing joint of first vaulting pole has the second vaulting pole, two the top of second vaulting pole articulates there is the baffle.
Preferably, the worm wheel is connected with a rotating shaft through a bolt, a first slotted hole is formed in the wall of the front face of the shell, one end of the front face of the rotating shaft penetrates through the first slotted hole, and a handle is mounted at one end of the front face of the rotating shaft.
Preferably, there are bearings through bolted connection on the first worm, two the bottom outer lane welding of bearing has the dead lever, the bottom of dead lever welds on the bottom inner wall of casing, two the activity groove has been seted up on the telescopic outer lane, swing joint has branch in the activity groove.
Preferably, two second slotted holes are formed in the first transverse plate, the top end of the supporting rod penetrates through the second slotted holes, and the supporting rod is hinged to the second slotted holes.
Preferably, one side of the two second slotted holes close to each other is provided with two third slotted holes positioned on the first transverse plate, the top end of the second worm penetrates through the third slotted holes, and the bottom end of the second support rod is hinged to the first transverse plate.
Preferably, a fourth slotted hole is formed in the middle shell wall of the second transverse plate, a return groove is formed in the second support rod, one end, far away from the disc, of the first support rod is movably connected into the return groove, two second sliding grooves are formed in the baffle plate, a second sliding block is connected to the inner portions of the second sliding grooves in a sliding mode, and the bottoms of the second sliding blocks are hinged to the second support rod.
Preferably, first sliding grooves are formed in two sides of the fourth slotted hole and located on the second transverse plate, a first sliding block is connected to the inside of the first sliding groove in a sliding mode, the bottom of the first sliding block is welded to the rack, a fixing plate is welded to the top of the first sliding block, clamping blocks are welded to one side, close to the two fixing plates, of the two clamping blocks, grooves are formed in one side, close to the two clamping blocks, and the area of each groove is larger than the area of the side of each baffle.
Compared with the prior art, the invention has the beneficial effects that:
1. through the combination of the rotating shaft, the worm wheel, the second worm, the disc, the first support rod, the second support rod and the baffle, a maintenance worker lifts the baffle through the device after the circuit breaker is disconnected, so that the disconnecting link of the circuit breaker is resisted, and the disconnecting link of the circuit breaker is prevented from being mistakenly closed by other people, so that various losses are caused.
2. Make the device baffle lift up when supporting the switch through the combination of first worm, sleeve, branch, semi-gear, rack and fixture block, press from both sides tight fixedly to the baffle to prevent that the baffle from receiving external force influence and can't support the switch and pin, thereby lead to the resetting of circuit breaker, cause various losses.
In conclusion, the device has the advantages that through the combination of various structures, after the breaker trips, maintenance personnel can abut against the disconnecting link when maintaining the device or a circuit, so that the disconnecting link is prevented from being reset by other people unconsciously, the damage to equipment is guaranteed, the life and health of the maintenance personnel are protected, the mode of padlock replacement by the abutting lock of the disconnecting link is adopted, the circuit breaker can be conveniently reset by the maintenance personnel, the time is saved, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic front sectional view of a reset locking mechanism of a circuit breaker according to the present invention;
fig. 2 is a schematic view of an operating structure of a reset locking mechanism of a circuit breaker according to the present invention;
fig. 3 is an enlarged schematic view of a part of a structure at a position a of the reset locking mechanism of the circuit breaker according to the present invention.
In the figure: the device comprises a shell 1, a worm wheel 2, a first worm 3, a sleeve 4, a support rod 5, a half gear 6, a rack 7, a second worm 8, a disc 9, a first support rod 10, a second support rod 11, a baffle 12, a first transverse plate 13, a second transverse plate 14 and a clamping block 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-3, a reset locking mechanism of a circuit breaker comprises a shell 1, a first transverse plate 13 and a second transverse plate 14 are arranged inside the shell 1, a worm wheel 2 is arranged inside the shell 1, a first worm 3 is arranged below the worm wheel 2, sleeves 4 are sleeved at two ends of the first worm 3, a support rod 5 is movably connected onto each sleeve 4, a half gear 6 is welded at the top end of each support rod 5, a rack 7 is arranged above each half gear 6, the half gear 6 and the rack 7 are in meshing transmission, second worms 8 are arranged on two sides of the worm wheel 2, the worm wheel 2 and the second worms 8 are in meshing transmission, the top of each second worm 8 is connected with a disc 9 through a bolt, a first support rod 10 is hinged to a top ball of each disc 9, the top end of each first support rod 10 is movably connected with a second support rod 11, and the top ends of the two second support rods 11 are hinged with a baffle 12.
A worm wheel 2 is connected with a rotating shaft through a bolt, a first slotted hole is formed in the wall of the front face of a shell 1, one end of the front face of the rotating shaft passes through the first slotted hole, a handle is installed at one end of the front face of the rotating shaft, a bearing is connected to a first worm 3 through a bolt, a fixed rod is welded to the outer rings of the bottoms of the two bearings, the bottom ends of the fixed rod are welded to the inner wall of the bottom of the shell 1, a movable groove is formed in the outer rings of the two sleeves 4, a supporting rod 5 is movably connected to the movable groove, two second slotted holes are formed in a first transverse plate 13, the top end of the supporting rod 5 passes through the second slotted holes, the supporting rod 5 is hinged to the second slotted holes, two third slotted holes located on the first transverse plate 13 are formed in the side, close to the two second slotted holes, the top end of a second worm 8 passes through the third slotted holes, the bottom end of a second supporting rod 11 is hinged to the first transverse plate 13, a fourth slotted hole is formed in the wall of the middle of a second transverse plate 14, the return groove has been seted up on second vaulting pole 11, the one end swing joint that disc 9 was kept away from to first vaulting pole 10 is in the return groove, two second spouts have been seted up on baffle 12, the inside sliding connection of second spout has the second slider, the bottom of second slider articulates on second vaulting pole 11, the both sides of fourth slotted hole are equipped with the first spout that is located on second diaphragm 14, the inside sliding connection of first spout has first slider, the bottom of first slider welds on rack 7, the top welding of first slider has the fixed plate, the welding of one side that two fixed plates are close to mutually has fixture block 15, one side that two fixture blocks 15 are close to is seted up flutedly, the area of two recesses is bigger than the side area of baffle 12.
In the embodiment, firstly, after the circuit breaker trips, a maintenance person rotates the rotating shaft clockwise through the handle outside the housing 1 to drive the worm wheel 2 to rotate, the first worm 3 and the second worm 8 are in meshing transmission with the worm wheel 2, so that the rotation of the worm wheel 2 drives the second worm 8 to rotate, the disc 9 rotates, the baffle 12 is lifted through the combination between the first support rod 10 and the second support rod 11, the first worm 3 rotates along with the worm wheel 2 to rotate the sleeve 4, the rotation of the sleeve 4 drives the support rod 5 to move, the swing of the top end of the support rod 5 drives the half gear 6 to drive the two racks 7 to move towards the middle, so as to drive the two clamping blocks 15 to clamp and fix the baffle 12, because the diameter of the first worm 3 is larger than that of the second worm 8, the baffle 12 is clamped after being lifted in one step, when the baffle 12 is clamped and fixed, the rotation of the handle is stopped, thereby maintenance person is through restoring to the knife-switch and confirming that the knife-switch is supported the lock and can't restore to the throne, after staff's maintenance, anticlockwise rotation handle, fixture block 15 is earlier one-step loosens the clamp to baffle 12, and back baffle 12 descends to the completion is to the reseing of circuit breaker.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. The reset locking mechanism of the circuit breaker comprises a shell (1) and is characterized in that a first transverse plate (13) and a second transverse plate (14) are arranged inside the shell (1), a worm wheel (2) is arranged inside the shell (1), a first worm (3) is arranged below the worm wheel (2), sleeves (4) are sleeved at two ends of the first worm (3), supporting rods (5) are movably connected onto the sleeves (4), a half gear (6) is welded at the top end of each supporting rod (5), a rack (7) is arranged above the half gear (6), the half gear (6) and the rack (7) are in meshing transmission, second worms (8) are arranged on two sides of the worm wheel (2), the worm wheel (2) and the second worms (8) are in meshing transmission, and a disc (9) is connected to the top of the second worm (8) through bolts, the top of the disc (9) is hinged with a first support rod (10) in a spherical manner, the top end of the first support rod (10) is movably connected with a second support rod (11), the top ends of the two second support rods (11) are hinged with a baffle (12), a fourth slotted hole is formed in the middle shell wall of the second transverse plate (14), a returning groove is formed in the second support rod (11), one end, far away from the disc (9), of the first support rod (10) is movably connected into the returning groove, the baffle (12) is provided with two second sliding grooves, a second sliding block is connected to the inner portions of the second sliding grooves in a sliding manner, the bottoms of the second sliding blocks are hinged onto the second support rods (11), first sliding grooves located on the second transverse plate (14) are formed in the two sides of the fourth slotted hole, a first sliding block is connected to the inner portions of the first sliding grooves in a sliding manner, and the bottom of the first sliding block is welded onto the rack (7), the top of the first sliding block is welded with a fixing plate, one side, close to the two fixing plates, is welded with clamping blocks (15), one side, close to the two clamping blocks (15), of each clamping block is provided with a groove, and the area of each groove is larger than the area of the side of the baffle (12).
2. The circuit breaker reset locking mechanism according to claim 1, wherein the worm wheel (2) is connected with a rotating shaft through a bolt, a first slot hole is formed on the front wall of the housing (1), one end of the front surface of the rotating shaft passes through the first slot hole, and a handle is installed at one end of the front surface of the rotating shaft.
3. The circuit breaker reset locking mechanism according to claim 1, wherein the first worm (3) is connected with bearings through bolts, the bottom outer rings of the two bearings are welded with fixed rods, the bottom ends of the fixed rods are welded on the bottom inner wall of the housing (1), the outer rings of the two sleeves (4) are provided with movable grooves, and the movable grooves are movably connected with support rods (5).
4. The circuit breaker reset locking mechanism according to claim 1, characterized in that the first cross plate (13) is provided with two second slots, the top end of the supporting rod (5) passes through the second slots, and the supporting rod (5) and the second slots are hinged to each other.
5. The circuit breaker reset locking mechanism according to claim 4, characterized in that two third slots are provided on the first cross plate (13) on the side where the two second slots are close to each other, the top end of the second worm (8) passes through the third slots, and the bottom end of the second stay (11) is hinged to the first cross plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010397226.5A CN111430197B (en) | 2020-05-12 | 2020-05-12 | Circuit breaker reset locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010397226.5A CN111430197B (en) | 2020-05-12 | 2020-05-12 | Circuit breaker reset locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111430197A CN111430197A (en) | 2020-07-17 |
| CN111430197B true CN111430197B (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010397226.5A Active CN111430197B (en) | 2020-05-12 | 2020-05-12 | Circuit breaker reset locking mechanism |
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| Country | Link |
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| CN (1) | CN111430197B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558941U (en) * | 2017-03-25 | 2017-10-13 | 国网安徽省电力公司宿州供电公司 | A kind of intermediate switchgear cabinet safety protection guard |
| CN207353172U (en) * | 2017-08-29 | 2018-05-11 | 南京苏锦电力设备有限公司 | A kind of quick-installed breaker |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
| CN209658026U (en) * | 2019-06-14 | 2019-11-19 | 广东电网有限责任公司 | A kind of safety-type electric brake |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5504285A (en) * | 1994-09-12 | 1996-04-02 | General Electric Company | Circuit breaker indicating flag interlock arrangement operating springs |
| JP4923907B2 (en) * | 2006-09-21 | 2012-04-25 | 富士電機機器制御株式会社 | External circuit handle device for circuit breaker |
-
2020
- 2020-05-12 CN CN202010397226.5A patent/CN111430197B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206558941U (en) * | 2017-03-25 | 2017-10-13 | 国网安徽省电力公司宿州供电公司 | A kind of intermediate switchgear cabinet safety protection guard |
| CN207353172U (en) * | 2017-08-29 | 2018-05-11 | 南京苏锦电力设备有限公司 | A kind of quick-installed breaker |
| CN110223864A (en) * | 2019-05-30 | 2019-09-10 | 湖南长高电气有限公司 | A kind of three-station electric mechanism stop bit device |
| CN209658026U (en) * | 2019-06-14 | 2019-11-19 | 广东电网有限责任公司 | A kind of safety-type electric brake |
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| Publication number | Publication date |
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| CN111430197A (en) | 2020-07-17 |
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