CN114050069A - Operating handle locking device of low-voltage air circuit breaker - Google Patents
Operating handle locking device of low-voltage air circuit breaker Download PDFInfo
- Publication number
- CN114050069A CN114050069A CN202111425785.3A CN202111425785A CN114050069A CN 114050069 A CN114050069 A CN 114050069A CN 202111425785 A CN202111425785 A CN 202111425785A CN 114050069 A CN114050069 A CN 114050069A
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- Prior art keywords
- circuit breaker
- fixed
- fixed table
- operating handle
- air circuit
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- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/20—Interlocking, locking, or latching mechanisms
-
- 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
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Abstract
The application discloses low pressure air circuit breaker operating handle locking device includes: the device comprises a fixed table, a bottom frame, a movable adjusting mechanism and a flip mechanism; the bottom frame is provided with an installation cavity for an operating rod of the circuit breaker to penetrate through; the fixed station is arranged on the bottom frame and is positioned above the installation cavity; the movable adjustment mechanism includes: a movable frame and an adjusting bolt; the movable frame is slidably arranged on the installation cavity and is positioned below the fixed platform; the end part of the movable frame is provided with a threaded hole; the adjusting bolt is rotatably arranged on the fixed table and penetrates through the fixed table to be in threaded connection with the threaded hole; the flip mechanism includes: rotating the cover; the rotating cover is rotatably arranged on the fixed table and used for covering the adjusting bolt. Through the locking device that this application provided, can be fixed in on the action bars of circuit breaker for this circuit breaker can't be closed a floodgate, avoids the staff mistake to touch the risk of closing a floodgate with it.
Description
Technical Field
The application relates to the technical field of circuit breaker auxiliary devices, in particular to an operating handle locking device of a low-voltage air circuit breaker.
Background
The distribution transformer is provided with a plurality of air circuit breakers arranged densely in a low-voltage cabinet or a power box. When a part of air circuit breakers break down, the part of air circuit breakers need to be subjected to power failure opening maintenance; because this part circuit breaker behind the separating brake sets up with other normally operated's circuit breaker side by side, has the staff and touches the risk of closing a trouble circuit breaker by mistake.
Disclosure of Invention
In view of this, the purpose of this application is to provide a low pressure air circuit breaker operating handle locking device for when solving current distribution transformer upper portion air circuit breaker trouble and need overhaul, there is the risk that the staff touched the circuit breaker that closes the trouble by mistake.
In order to achieve the above technical object, the present application provides an operating handle locking device for a low voltage air circuit breaker, comprising: the device comprises a fixed table, a bottom frame, a movable adjusting mechanism and a flip mechanism;
the bottom frame is provided with an installation cavity for an operating rod of the circuit breaker to penetrate through;
the fixed station is arranged on the bottom frame and is positioned above the installation cavity;
the movable adjustment mechanism includes: a movable frame and an adjusting bolt;
the movable frame is slidably arranged on the installation cavity and is positioned below the fixed platform;
the end part of the movable frame is provided with a threaded hole;
the adjusting bolt is rotatably arranged on the fixed table and penetrates through the fixed table to be in threaded connection with the threaded hole;
the flip mechanism includes: rotating the cover;
the rotating cover is rotatably arranged on the fixed table and used for covering the adjusting bolt.
Further, the flip mechanism further includes: hooking;
the hook is fixed on the fixed table;
the rotating cover is provided with a hook hole for the hook to pass through;
the hook is used for hanging a lockset for limiting the rotation of the rotating cover.
Further, the device also comprises a sign board;
the sign board is hung on the hook.
Further, the cross section of the rotating cover is L-shaped;
the first end surface and the second end surface of the fixed platform are adjacent;
the adjusting bolt is arranged on the first end face of the fixed table;
the rotating end of the rotating cover is arranged on the second end surface of the fixed station;
the hook is arranged on the second end face of the fixed station.
Furthermore, the inner frame plate of the movable frame is provided with sawteeth.
Furthermore, the fixed station, the bottom frame, the movable adjusting mechanism and the cover turning mechanism are all made of insulating materials.
Furthermore, a limiting block is arranged at one end of the bottom frame, which is back to the fixed table;
the limiting block is used for clamping the circuit breaker to limit the bottom frame to move.
It can be seen from the above technical solution that the present application provides a low-voltage air circuit breaker operating handle locking device, including: the device comprises a fixed table, a bottom frame, a movable adjusting mechanism and a flip mechanism; the bottom frame is provided with an installation cavity for an operating rod of the circuit breaker to penetrate through; the fixed station is arranged on the bottom frame and is positioned above the installation cavity; the movable adjustment mechanism includes: a movable frame and an adjusting bolt; the movable frame is slidably arranged on the installation cavity and is positioned below the fixed platform; the end part of the movable frame is provided with a threaded hole; the adjusting bolt is rotatably arranged on the fixed table and penetrates through the fixed table to be in threaded connection with the threaded hole; the flip mechanism includes: rotating the cover; the rotating cover is rotatably arranged on the fixed table and used for covering the adjusting bolt. Through setting up the locking device that fixed station, underframe, activity adjustment mechanism and flip mechanism are constituteed, can pass installation cavity and underframe back at the action bars of circuit breaker, rotate adjusting bolt and adjust the movable frame after fixing the action bars, can cover adjusting bolt through rotating the lid, avoid the staff mistake to touch the pine adjusting bolt of turning and take off locking device. Through the locking device that this application provided, can be fixed in on the action bars of circuit breaker for this circuit breaker can't be closed a floodgate, avoids the staff mistake to touch the risk of closing a floodgate with it.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
Fig. 1 is a top view of an operating handle locking device for a low-voltage air circuit breaker according to an embodiment of the present application;
fig. 2 is a side view of a rotating cover of a locking device of an operating handle of a low-voltage air circuit breaker according to an embodiment of the present application when the rotating cover is closed;
fig. 3 is a side view of a rotating cover of an operating handle locking device of a low-voltage air circuit breaker according to an embodiment of the present application when the rotating cover is opened.
Detailed Description
The technical solutions of the embodiments of the present application will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are some, but not all embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the scope of protection claimed herein.
In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 3, an operating handle locking device for a low voltage air circuit breaker includes: the device comprises a fixed table 1, a bottom frame 2, a movable adjusting mechanism 3 and a flip mechanism 4; the bottom frame 2 is provided with an installation cavity 21 for an operating rod of the circuit breaker to pass through; the fixed platform 1 is arranged on the bottom frame 2 and is positioned above the installation cavity 21; the movable adjusting mechanism 3 includes: a movable frame 31 and an adjusting bolt 32; the movable frame 31 is slidably arranged on the installation cavity 21 and is positioned below the fixed table 1; the end of the movable frame 31 is provided with a threaded hole; the adjusting bolt 32 is rotatably arranged on the fixed table 1 and penetrates through the fixed table 1 to be in threaded connection with the threaded hole; the lid-turning mechanism 4 includes: the rotating cover 41; the rotating cover 41 is rotatably provided on the fixed stand 1 for covering the adjusting bolt 32.
Specifically, the middle part of the movable frame 31 is also provided with a through cavity for the operating rod of the circuit breaker to pass through; after the installation cavity 21 and the through cavity pass through the operating rod, the movable frame 32 can be fixed on the operating rod by rotating the adjusting bolt 32, and then the adjusting bolt 32 is covered by the rotating cover 41, so that the whole locking device cannot be taken down before the adjusting bolt 32 is loosened, and the effects of preventing closing and separating from the adjacent circuit breaker interval area are achieved.
Further, the flip mechanism 4 further includes: a hook 42; the hook 42 is fixed on the fixed table 1; the rotating cover 41 is provided with a hook hole 43 through which the hook 42 passes; the hook 42 is used to hook a lock for restricting the rotation of the rotating cover 41.
Specifically, when the lock is removed, the worker can turn the rotating cover 41 to adjust the adjusting bolt 32; after the operating rod is fixed by the locking device, the lock is hung, so that the rotating cover 41 can only be rotated by specific workers, the workers do not need to be assigned to watch, the labor cost can be reduced, and the safety of the overhaul range is ensured.
Further, the device also comprises a sign board; the signboard is hung on the hook 42, wherein the related information of the circuit breaker can be noted on the signboard, such as fault reasons and the like, so as to remind other staff of not closing the switch.
Further, the cross section of the rotating cover 41 is L-shaped; the first end surface and the second end surface of the fixed platform 1 are adjacent; the adjusting bolt 32 is arranged on the first end surface of the fixed table; the rotating end of the rotating cover 41 is arranged on the second end surface of the fixed station; the hook 42 is disposed on the second end surface of the fixed stand 1.
Further, the inner frame plate of the movable frame 31 is provided with sawteeth, so that the operating rod can be better fixed.
Further, fixed station 1, underframe 2, activity adjustment mechanism 3 and flip mechanism 4 are insulating material to can be with the circuit breaker of trouble and adjacent circuit breaker insulation interval, improve the security.
Furthermore, one end of the bottom frame 2, which is back to the fixed table, is provided with a limit block 22; the stop block 22 is used to snap the circuit breaker to limit the movement of the base frame.
Particularly, the breaker is provided with the draw-in groove that supplies stopper 22 card to go into with the action bars annex to can cooperate stopper 22 further to restrict the unable operation of action bars after the action bars is fixed to activity frame 31.
Although the present invention has been described in detail with reference to examples, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (7)
1. An operating handle locking device for a low-voltage air circuit breaker, comprising: the device comprises a fixed table, a bottom frame, a movable adjusting mechanism and a flip mechanism;
the bottom frame is provided with an installation cavity for an operating rod of the circuit breaker to penetrate through;
the fixed station is arranged on the bottom frame and is positioned above the installation cavity;
the movable adjustment mechanism includes: a movable frame and an adjusting bolt;
the movable frame is slidably arranged on the installation cavity and is positioned below the fixed platform;
the end part of the movable frame is provided with a threaded hole;
the adjusting bolt is rotatably arranged on the fixed table and penetrates through the fixed table to be in threaded connection with the threaded hole;
the flip mechanism includes: rotating the cover;
the rotating cover is rotatably arranged on the fixed table and used for covering the adjusting bolt.
2. The operating handle lock device for low-voltage air circuit breaker according to claim 1, wherein said flip mechanism further comprises: hooking;
the hook is fixed on the fixed table;
the rotating cover is provided with a hook hole for the hook to pass through;
the hook is used for hanging a lockset for limiting the rotation of the rotating cover.
3. The low pressure air circuit breaker operating handle locking device of claim 2, further comprising a sign plate;
the sign board is hung on the hook.
4. The operating handle lock device for low-voltage air circuit breaker according to claim 2, characterized in that the cross section of said rotary cover is L-shaped;
the first end surface and the second end surface of the fixed platform are adjacent;
the adjusting bolt is arranged on the first end face of the fixed table;
the rotating end of the rotating cover is arranged on the second end surface of the fixed station;
the hook is arranged on the second end face of the fixed station.
5. The operating handle lock device for low voltage air circuit breaker according to claim 1, characterized in that the inner frame plate of the movable frame is provided with serrations.
6. The operating handle locking device for low-voltage air circuit breaker as claimed in claim 1, wherein the fixed table, the bottom frame, the movable adjusting mechanism and the flip mechanism are made of insulating material.
7. The low pressure air circuit breaker operating handle locking device of claim 1, wherein the bottom frame is provided with a stopper at an end facing away from the fixed table;
the limiting block is used for clamping the circuit breaker to limit the bottom frame to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425785.3A CN114050069A (en) | 2021-11-26 | 2021-11-26 | Operating handle locking device of low-voltage air circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111425785.3A CN114050069A (en) | 2021-11-26 | 2021-11-26 | Operating handle locking device of low-voltage air circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114050069A true CN114050069A (en) | 2022-02-15 |
Family
ID=80211345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111425785.3A Pending CN114050069A (en) | 2021-11-26 | 2021-11-26 | Operating handle locking device of low-voltage air circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114050069A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288958A (en) * | 1992-03-30 | 1994-02-22 | Westinghouse Electric Corp. | Lockable remote rotary handle operator for circuit breakers |
| US20110162942A1 (en) * | 2009-10-13 | 2011-07-07 | Garvin Industries, Inc. | Universal switch restraint device |
| CN202258878U (en) * | 2011-10-31 | 2012-05-30 | 天津贝迪安全设备有限公司 | Breaker lockset |
| CN203706943U (en) * | 2013-12-06 | 2014-07-09 | 天津贝迪安全设备有限公司 | A circuit breaker safety lock |
| CN210607126U (en) * | 2019-06-13 | 2020-05-22 | 福建福清核电有限公司 | Anti-misoperation protection device for low-voltage circuit breaker |
| CN210668159U (en) * | 2019-10-31 | 2020-06-02 | 德力西电气有限公司 | Position lock device of breaker handle |
| CN211719467U (en) * | 2019-12-30 | 2020-10-20 | 洛科安全防护用品有限公司 | Shell type circuit breaker lock |
-
2021
- 2021-11-26 CN CN202111425785.3A patent/CN114050069A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5288958A (en) * | 1992-03-30 | 1994-02-22 | Westinghouse Electric Corp. | Lockable remote rotary handle operator for circuit breakers |
| US20110162942A1 (en) * | 2009-10-13 | 2011-07-07 | Garvin Industries, Inc. | Universal switch restraint device |
| CN202258878U (en) * | 2011-10-31 | 2012-05-30 | 天津贝迪安全设备有限公司 | Breaker lockset |
| CN203706943U (en) * | 2013-12-06 | 2014-07-09 | 天津贝迪安全设备有限公司 | A circuit breaker safety lock |
| CN210607126U (en) * | 2019-06-13 | 2020-05-22 | 福建福清核电有限公司 | Anti-misoperation protection device for low-voltage circuit breaker |
| CN210668159U (en) * | 2019-10-31 | 2020-06-02 | 德力西电气有限公司 | Position lock device of breaker handle |
| CN211719467U (en) * | 2019-12-30 | 2020-10-20 | 洛科安全防护用品有限公司 | Shell type circuit breaker lock |
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