CN210325576U - Grounding interlocking device - Google Patents
Grounding interlocking device Download PDFInfo
- Publication number
- CN210325576U CN210325576U CN201921851986.8U CN201921851986U CN210325576U CN 210325576 U CN210325576 U CN 210325576U CN 201921851986 U CN201921851986 U CN 201921851986U CN 210325576 U CN210325576 U CN 210325576U
- Authority
- CN
- China
- Prior art keywords
- lock sleeve
- switch cabinet
- shaft
- rear door
- rear shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
Landscapes
- Patch Boards (AREA)
Abstract
The utility model relates to a grounding interlocking device, which comprises a front operating shaft, a rear shaft, a transmission gear and an unlocking component, wherein one end of the front operating shaft is provided with a first bevel gear meshed with the transmission gear, one end of the rear shaft is provided with a second bevel gear meshed with the transmission gear, the unlocking component comprises a lock sleeve movably arranged at the other end of the rear shaft and matched with a rear door of a switch cabinet, a reset spring arranged between the lock sleeve and the rear shaft, and a U-shaped interlocking part arranged on a cabinet body of the switch cabinet corresponding to the lock sleeve, a limit groove is arranged on the U-shaped interlocking part, a limit block matched with the limit groove is arranged on the lock sleeve, when the rear door of the switch cabinet is opened, the limit block of the lock sleeve is clamped in the limit groove, and the lock sleeve is in limit fit with the U-shaped interlocking piece, when the rear door of the switch cabinet is closed, the rear door of the switch cabinet drives the lock sleeve to act, and the lock sleeve and the U-shaped interlocking piece are unlocked. The utility model has the advantages of simple structure, safe and reliable performance and convenient operation.
Description
Technical Field
The utility model particularly relates to a ground connection interlock.
Background
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, a grounding switch, an operating mechanism, a mutual inductor, various protection devices and the like. In order to improve the safety performance of the switch cabinet, the existing switch cabinet is provided with the grounding interlocking device, the rear door of the switch cabinet is opened after the grounding switch is switched on, the grounding switch can still be operated, and at the moment, the grounding switch can still be switched off, and the breaker is switched on and supplies power, so that the cable chamber compartment is electrified and the personal safety of operators is damaged.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, dependable performance safety, simple operation's ground connection interlock.
In order to achieve the above purpose, the utility model discloses a grounding interlocking device, including the preceding operating axis, be used for driving the earthing switch to carry out the rear axle of divide-shut brake action, set up drive gear, the unblock subassembly between preceding operating axis and rear axle, one end of preceding operating axis on be provided with the first bevel gear that meshes with drive gear mutually, one end of rear axle on be provided with the second bevel gear that meshes with drive gear mutually, the unblock subassembly include the activity set up on the other end of rear axle and with cubical switchboard back door matched with lock cover, set up reset spring between lock cover and rear axle, correspond the U type interlocking piece that lock cover department set up on the cubical switchboard cabinet body, U type interlocking piece on be provided with the spacing groove, the lock cover on be provided with the stopper that matches with the spacing groove, when the cubical switchboard back door is opened, the stopper block of lock cover block in the spacing groove, and the lock sleeve is in limit fit with the U-shaped interlocking piece, when the rear door of the switch cabinet is closed, the rear door of the switch cabinet drives the lock sleeve to act, and the lock sleeve and the U-shaped interlocking piece are unlocked.
The beneficial effect of above-mentioned structure is: the grounding interlocking device adopts a bidirectional gear transmission structure, and the front operating shaft and the rear shaft adopt 180-degree gear transmission, so that the labor is saved, and the safety is higher. During operation, when the rear door of the switch cabinet is opened, the lock sleeve and the U-shaped interlocking piece form limit fit, at the moment, the rear shaft cannot rotate, and the grounding switch cannot be operated; when the rear door of the switch cabinet is closed, the rear door of the switch cabinet abuts against the lock sleeve, the lock sleeve acts and compresses the reset spring, and the lock sleeve is unlocked with the U-shaped interlocking piece, so that the opening and closing of the grounding switch can be realized. Therefore, the grounding interlocking device has the advantages of simple structure, safe and reliable performance and convenient operation.
Particularly, the rear shaft is provided with a limiting step at one end corresponding to the return spring, one end of the return spring is abutted against the limiting step, and the other end of the return spring is abutted against the lock sleeve. The reset spring is clamped between the lock sleeve and the limiting step of the rear shaft, so that the assembly of the reset spring is facilitated, and the working reliability of the grounding interlocking device is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an assembly view of the lock sleeve and the U-shaped interlocking member according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1 and 2, an embodiment of the present invention is a ground interlock device, including a front operating shaft 10, a rear shaft 11 for driving a ground switch to perform a switching operation, a transmission gear 12 disposed between the front operating shaft 10 and the rear shaft 11, and an unlocking assembly 20, wherein one end of the front operating shaft 10 is provided with a first bevel gear 13 engaged with the transmission gear 12, one end of the rear shaft 11 is provided with a second bevel gear 14 engaged with the transmission gear 12, the unlocking assembly 20 includes a lock sleeve 21 movably disposed at the other end of the rear shaft 11 and engaged with a rear door of a switch cabinet, a return spring 22 disposed between the lock sleeve 21 and the rear shaft 11, and a U-shaped interlock member 23 disposed on the switch cabinet body corresponding to the lock sleeve 21, the U-shaped interlock member 23 is provided with a limit groove 231, the lock sleeve 21 is provided with a limit block 211 engaged with the limit groove 231, when the rear door of the switch cabinet is opened, the limiting block 211 of the lock sleeve 21 is clamped in the limiting groove 231 and forms limiting matching of the lock sleeve 21 and the U-shaped interlocking piece 23, and when the rear door of the switch cabinet is closed, the rear door of the switch cabinet drives the lock sleeve 21 to act and unlocking of the lock sleeve 21 and the U-shaped interlocking piece 23 is realized.
The rear axle on 11 correspond reset spring 22 one end department be provided with spacing step 111, reset spring 22 one end contradict on spacing step 111, reset spring 22 the other end contradict on lock sleeve 21. The reset spring is clamped between the lock sleeve and the limiting step of the rear shaft, so that the assembly of the reset spring is facilitated, and the working reliability of the grounding interlocking device is improved.
The grounding interlocking device adopts a bidirectional gear transmission structure, and the front operating shaft and the rear shaft adopt 180-degree gear transmission, so that the labor is saved, and the safety is higher. During operation, when the rear door of the switch cabinet is opened, the lock sleeve and the U-shaped interlocking piece form limit fit, at the moment, the rear shaft cannot rotate, and the grounding switch cannot be operated; when the rear door of the switch cabinet is closed, the rear door of the switch cabinet abuts against the lock sleeve, the lock sleeve acts and compresses the reset spring, and the lock sleeve is unlocked with the U-shaped interlocking piece, so that the opening and closing of the grounding switch can be realized. Therefore, the grounding interlocking device has the advantages of simple structure, safe and reliable performance and convenient operation.
Claims (2)
1. A ground interlock, characterized by: the interlocking device comprises a front operating shaft, a rear shaft used for driving a grounding switch to execute opening and closing actions, a transmission gear arranged between the front operating shaft and the rear shaft, and an unlocking component, wherein one end of the front operating shaft is provided with a first bevel gear meshed with the transmission gear, one end of the rear shaft is provided with a second bevel gear meshed with the transmission gear, the unlocking component comprises a lock sleeve movably arranged at the other end of the rear shaft and matched with a rear door of a switch cabinet, a reset spring arranged between the lock sleeve and the rear shaft, and a U-shaped interlocking part arranged on a cabinet body of the switch cabinet corresponding to the lock sleeve, a limiting groove is arranged on the U-shaped interlocking part, a limiting block matched with the limiting groove is arranged on the lock sleeve, when the rear door of the switch cabinet is opened, the limiting block of the lock sleeve is clamped in the limiting groove and forms limiting matching of the lock sleeve and the U-shaped interlocking part, when the rear door of the switch cabinet is closed, the rear door of the switch cabinet drives the lock sleeve to act, and the lock sleeve and the U-shaped interlocking piece are unlocked.
2. The ground interlock of claim 1 wherein: the rear shaft is provided with a limiting step at one end corresponding to the reset spring, one end of the reset spring is abutted against the limiting step, and the other end of the reset spring is abutted against the lock sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851986.8U CN210325576U (en) | 2019-10-29 | 2019-10-29 | Grounding interlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921851986.8U CN210325576U (en) | 2019-10-29 | 2019-10-29 | Grounding interlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210325576U true CN210325576U (en) | 2020-04-14 |
Family
ID=70134651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921851986.8U Expired - Fee Related CN210325576U (en) | 2019-10-29 | 2019-10-29 | Grounding interlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210325576U (en) |
-
2019
- 2019-10-29 CN CN201921851986.8U patent/CN210325576U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201332027Y (en) | Electric mechanism for ground switch in high-voltage switch cabinet | |
| CN201528125U (en) | Interlocking mechanism for armoured central-positioned switch device cabinet door | |
| CN210325576U (en) | Grounding interlocking device | |
| CN202076714U (en) | Back door interlocking device of high-voltage removable-type AC metal enclosed switch device | |
| CN210628747U (en) | Control mechanism of low-voltage control cabinet switch | |
| CN205211624U (en) | A circuit breaker closes branch brake gear for cubical switchboard | |
| CN201327780Y (en) | Mechanical interlocking device of grounding switch in switch cabinet | |
| CN103489693A (en) | High voltage distribution cabinet operation shaft safety interlocking mechanism | |
| CN201674130U (en) | Intelligent protective screen for overhaul of armored switch cabinet | |
| CN201838487U (en) | Interlocking device for front door of switch cabinet | |
| CN201877341U (en) | Interlocking device of ground switch operating mechanism | |
| CN210378814U (en) | Earthing interlocking device of switch cabinet | |
| CN113675777B (en) | Intelligent locking error-preventing device and error-preventing ring main unit | |
| CN212849585U (en) | Anti-misoperation device of high-voltage board | |
| CN212380844U (en) | Armored movable metal-enclosed switchgear cable chamber door interlocking mechanism | |
| CN213391632U (en) | Electric switch cabinet stroke door lock | |
| CN211320614U (en) | Rainproof type electrical cabinet | |
| CN211038227U (en) | Cabinet door rotating structure of high-low voltage switch cabinet | |
| CN111884118A (en) | Armored movable metal-enclosed switchgear cable chamber door interlocking mechanism | |
| CN205645608U (en) | But cubical switchboard of earthing switch manually operation and electrically -operated interlocking | |
| CN200976457Y (en) | Electrical distribution box with protection door | |
| CN208589702U (en) | A kind of interlocking apparatus for looped net cabinet | |
| CN221079884U (en) | Electric interlocking mechanism of grounding switch | |
| CN201655570U (en) | Remote-control high-voltage switching device | |
| CN202363747U (en) | Novel automatically-controlled high-tension switch cabinet |
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: 20200414 |