CN213484356U - Lower door interlocking mechanism of solid insulation ring main unit - Google Patents
Lower door interlocking mechanism of solid insulation ring main unit Download PDFInfo
- Publication number
- CN213484356U CN213484356U CN202021510514.9U CN202021510514U CN213484356U CN 213484356 U CN213484356 U CN 213484356U CN 202021510514 U CN202021510514 U CN 202021510514U CN 213484356 U CN213484356 U CN 213484356U
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- lower door
- turning handle
- interlocking mechanism
- door
- bottom plate
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Abstract
The utility model provides a lower door interlocking gear of solid insulation looped netowrk cabinet, is including setting up the lower door body on the cabinet body and setting up in the internal operating device of cabinet, and this operating device includes bottom plate and isolator, the rotatory door latch fitting that is provided with of lower door body, last synchronous pivoted action bars and the turning handle of being equipped with of isolator, this turning handle and interlocking gear linkage cooperation order about interlocking gear conflict or loosen the door latch fitting. When the isolating switch is opened, the maintenance equipment is separated from the power supply, the equipment is in a safe state at the moment, and the interlocking mechanism is driven to release the door locking piece under the rotating drive of the isolating switch, so that the lower door can be opened. When the isolating switch is switched on, the driving interlocking mechanism is driven to abut against the blocking door locking piece under the rotating drive of the isolating switch, the lower door is locked, and the maintenance personnel is prevented from being opened by mistake.
Description
Technical Field
The utility model relates to a high-voltage distribution equipment technical field, concretely relates to lower door interlocking gear of solid insulation looped netowrk cabinet.
Background
The solid insulation ring main unit is an important device for electric energy transmission and distribution in a power grid system, when maintenance is carried out, maintenance personnel can detect and maintain the lower door of the cabinet body by opening the lower door of the cabinet body, and a reliable lower door interlocking mechanism is needed to prevent the lower door of the cabinet body from being opened by misoperation under the condition of ensuring the safety in maintenance and preventing the lower door of the cabinet body from being opened by mistake in a charged state.
The traditional scheme that sets up is equipped with the lock on the lower door, utilizes the lock to lock the lower door, but the ordinary lock body of independent setting does not have chain function, can't provide the warning whether the cabinet body cuts off the power supply for maintainer.
Disclosure of Invention
The utility model provides a solve the not enough of above-mentioned technique, provide a lower door interlocking gear of solid insulation looped netowrk cabinet.
The technical scheme of the utility model: the utility model provides a lower door interlocking gear of solid insulation looped netowrk cabinet, is including setting up the lower door body on the cabinet body and setting up in the internal operating device of cabinet, and this operating device includes bottom plate and isolator, the rotatory door latch fitting that is provided with of lower door body, last synchronous pivoted action bars and the turning handle of being equipped with of isolator, this turning handle and interlocking gear linkage cooperation order about interlocking gear conflict or loosen the door latch fitting.
Adopt above-mentioned technical scheme, conventional lock spare is installed on cabinet body lower door, utilizes the key to turn round a latch fitting, contacts the conflict restriction of latch fitting to open cabinet body lower door.
In this technical scheme, through action bars, turning handle, the interlocking gear who sets up, make to produce mechanical connection between isolator and the door latch fitting, utilize to keep apart about closing the floodgate position, the reciprocating motion between the separating brake position, order about interlocking gear conflict card dead door latch fitting, or keep away from a latch fitting.
When the isolating switch is opened, the maintenance equipment is separated from the power supply, the equipment is in a safe state at the moment, and the interlocking mechanism is driven to release the door locking piece under the rotating drive of the isolating switch, so that the lower door can be opened.
When the isolating switch is switched on, the driving interlocking mechanism is driven to abut against the blocking door locking piece under the rotating drive of the isolating switch, the lower door is locked, and the maintenance personnel is prevented from being opened by mistake.
The utility model discloses a further setting: be equipped with the draw-in groove on the door latch fitting periphery, interlocking includes that trip spare and elasticity reset, the trip spare includes articulated tip and ends the tip of splining, should end the end of splining and extend to in the draw-in groove, articulated tip and bottom plate hinged joint, elasticity resets a both ends respectively with trip spare, bottom plate fixed connection, orders about and ends the tip of splining and removes towards the draw-in groove, the turning handle cover is located and is synchronous revolution fit on the action bars, and this turning handle is along with isolator separating brake angle, and rotatory top moves trip spare, the turning handle is along with isolator closing angle, rotatory keeping away from trip spare.
By adopting the technical scheme, when the rotating handle rotates to the brake separating position along with the isolating switch, the clamping hook piece is pushed, and because one end of the clamping hook piece is connected with the bottom plate hinge, the clamping hook piece rotates around the hinge along with the pushing, the rotation stopping end part leaves the clamping groove along with the rotation stopping end part, and the door lock piece can rotate freely. Meanwhile, the elastic reset piece deforms to store force.
When the rotating handle rotates to the switching-on position along with the isolating switch, when the rotating handle leaves the clamping hook piece, the elastic resetting piece loses the limitation of external force, the force of restoring the deformation drives the clamping hook piece to return to the clamping groove, the door locking piece is clamped, and the lower door is limited to be opened.
The utility model discloses a further setting: the bottom plate is equipped with the slide between turning handle and trip spare, and this slide is equipped with the slide along turning handle to trip spare direction, interlocking gear includes the extension slide bar, and this extension slide bar is inserted and is located the slide in-hole and do sliding fit, extension slide bar one end is contradicted with trip spare, and the other end is contradicted with the turning handle.
The utility model discloses a further setting: the elastic reset piece is positioned at the other end of the opposite rotation stopping end part of the clamping hook piece, a hinge hole is formed between the opposite rotation stopping end part of the clamping hook piece and the tension spring, a rotating shaft is arranged on the bottom plate and inserted in the hinge hole to be in rotation fit; the extension slide bar is arranged between the hinge hole and the rotation stopping end portion.
By adopting the technical scheme, the extension sliding rod is designed to be used as a relay, the rotating handle does not need to directly contact the clamping hook piece, and the clamping hook piece can be impacted by the extension sliding rod. The design can reduce the volume of each part and save the space of the operating mechanism.
The utility model discloses a further setting: the elastic reset piece is a tension spring which is positioned on the other side of the clamping hook piece opposite to the clamping groove.
The utility model discloses a further setting: and the positions of the clamping hook pieces corresponding to the extended sliding rods are provided with connecting convex blocks.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1.
Wherein:
1-bottom plate, 2-door locking piece, 3-rotating handle, 4-clamping hook piece, 5-elastic reset piece, 21-clamping groove, 41-hinged end, 42-rotation stopping end, 43-hinged hole, 44-connecting lug, 61-sliding column, 62-sliding block and 63-extension sliding rod.
Detailed Description
As shown in fig. 1-2, a lower door interlocking mechanism of a solid insulation ring main unit comprises a lower door body arranged on a cabinet body and an operating mechanism arranged in the cabinet body, wherein the operating mechanism comprises a bottom plate 1 and an isolating switch, the lower door body is rotatably provided with a door locking piece 2, the isolating switch is provided with an operating rod and a rotating handle 3 which rotate synchronously, and the rotating handle 3 is in linkage fit with the interlocking mechanism to drive the interlocking mechanism to abut against or release the door locking piece 2.
Conventional door latch fitting 2 is installed on cabinet body lower door, utilizes the key to turn round door latch fitting 2, contacts the conflict restriction of door latch fitting 2 to open cabinet body lower door.
In this technical scheme, through the action bars, the turning handle 3, the interlocking gear that set up, make and produce mechanical connection between isolator and the door latch fitting 2, utilize the isolation about the reciprocating motion between closing position, the separating brake position, order about interlocking gear conflict card dead door latch fitting 2, or keep away from door latch fitting 2.
When isolator separating brake, overhaul equipment and power separation, equipment is in the safe state this moment, and under isolator's rotatory drive, drive interlocking gear release door latch fitting 2, the lower door can be opened.
When the isolating switch is switched on, the driving interlocking mechanism is driven to abut against the blocking door locking piece 2 under the rotation driving of the isolating switch, and the lower door is locked to prevent the maintenance personnel from being opened by mistake.
Be equipped with draw-in groove 21 on 2 peripheral faces of door latch fitting, interlocking includes that trip 4 and elasticity reset 5, trip 4 includes articulated tip 41 and ends end 42, should end 42 and extend to in the draw-in groove 21 that only changes, articulated tip 41 and 1 hinged joint of bottom plate, elasticity resets 5 both ends respectively with trip 4, 1 fixed connection of bottom plate, orders about and ends end 42 and remove towards draw-in groove 21, 3 covers of turning handle are located and are synchronous rotation cooperation on the action bars, and this turning handle 3 is along with isolator separating brake angle, and rotatory top moves trip 4, turning handle 3 is along with isolator closing angle, and rotatory distancing trip 4.
When the rotating handle 3 rotates to the brake separating position along with the isolating switch, the clamping hook piece 4 is pushed, and due to the fact that one end of the clamping hook piece 4 is connected with the bottom plate 1 through the hinge, the rotation stopping end portion 42 rotates around the hinge along with the pushing, the clamping groove 21 is separated from the rotation stopping end portion 42, and the door lock piece 2 can rotate freely. At the same time, the elastic restoring piece 5 is deformed to store force.
When the rotating handle 3 rotates to the closing position along with the isolating switch, when the rotating handle 3 leaves the clamping hook piece 4, the elastic reset piece 5 loses the limitation of external force, the force of the recovery deformation drives the clamping hook piece 4 to return to the clamping groove 21, the door locking piece 2 is clamped, and the lower door is limited to be opened.
The bottom plate 1 is equipped with slide 61 between turning handle 3 and trip 4, and this slide 61 is equipped with slide 62 along turning handle 3 to trip 4 direction, interlocking gear includes extension slide bar 63, and this extension slide bar 63 is inserted and is located slide 62 and do sliding fit in, extension slide bar 63 one end is contradicted with trip 4, and the other end is contradicted with turning handle 3.
The elastic reset piece 5 is positioned at the other end, opposite to the rotation stopping end part 42, of the clamping hook piece 4, a hinge hole 43 is formed between the rotation stopping end part 42, opposite to the rotation stopping end part 4, of the clamping hook piece 4 and the tension spring, a rotating shaft is arranged on the bottom plate 1, and the rotating shaft is inserted into the hinge hole 43 to be in revolving fit; the extension slide 63 is disposed between the hinge hole 43 and the rotation stop end 42.
By designing the extension sliding bar 63 as a relay, the turning handle 3 does not need to directly contact the hook 4, and the hook 4 can be hit by the extension sliding bar 63. The design can reduce the volume of each part and save the space of the operating mechanism.
The elastic reset piece 5 is a tension spring which is arranged on the other side of the clamping hook piece 4 opposite to the clamping groove 21.
The hook 4 is provided with a connecting projection 44 corresponding to the position of the extended sliding rod 63.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (5)
1. The utility model provides a lower door interlocking gear of solid insulation looped netowrk cabinet, is including setting up the lower door body on the cabinet body and setting up in the internal operating device of cabinet, and this operating device includes bottom plate and isolator, the rotatory door latch fitting that is provided with of lower door body, its characterized in that: the isolating switch is provided with an operating rod and a rotating handle which rotate synchronously, and the rotating handle is in linkage fit with the interlocking mechanism to drive the interlocking mechanism to abut against or release the door lock piece;
be equipped with the draw-in groove on the door latch fitting periphery, interlocking includes that trip spare and elasticity reset, the trip spare includes articulated tip and ends the tip of splining, should end the end of splining and extend to in the draw-in groove, articulated tip and bottom plate hinged joint, elasticity resets a both ends respectively with trip spare, bottom plate fixed connection, orders about and ends the tip of splining and removes towards the draw-in groove, the turning handle cover is located and is synchronous revolution fit on the action bars, and this turning handle is along with isolator separating brake angle, and rotatory top moves trip spare, the turning handle is along with isolator closing angle, rotatory keeping away from trip spare.
2. The lower door interlocking mechanism of the solid insulation ring main unit according to claim 1, wherein: the bottom plate is equipped with the slide between turning handle and trip spare, and this slide is equipped with the slide along turning handle to trip spare direction, interlocking gear includes the extension slide bar, and this extension slide bar is inserted and is located the slide in-hole and do sliding fit, extension slide bar one end is contradicted with trip spare, and the other end is contradicted with the turning handle.
3. The lower door interlocking mechanism of the solid insulation ring main unit as claimed in claim 2, wherein: the elastic reset piece is positioned at the other end of the opposite rotation stopping end part of the clamping hook piece, a hinge hole is formed between the opposite rotation stopping end part of the clamping hook piece and the tension spring, a rotating shaft is arranged on the bottom plate and inserted in the hinge hole to be in rotation fit; the extension slide bar is arranged between the hinge hole and the rotation stopping end portion.
4. The lower door interlocking mechanism of the solid insulation ring main unit as claimed in claim 3, wherein: the elastic reset piece is a tension spring which is positioned on the other side of the clamping hook piece opposite to the clamping groove.
5. The lower door interlocking mechanism of the solid insulation ring main unit as claimed in claim 4, wherein: and the positions of the clamping hook pieces corresponding to the extended sliding rods are provided with connecting convex blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510514.9U CN213484356U (en) | 2020-07-27 | 2020-07-27 | Lower door interlocking mechanism of solid insulation ring main unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021510514.9U CN213484356U (en) | 2020-07-27 | 2020-07-27 | Lower door interlocking mechanism of solid insulation ring main unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213484356U true CN213484356U (en) | 2021-06-18 |
Family
ID=76359454
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021510514.9U Active CN213484356U (en) | 2020-07-27 | 2020-07-27 | Lower door interlocking mechanism of solid insulation ring main unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213484356U (en) |
-
2020
- 2020-07-27 CN CN202021510514.9U patent/CN213484356U/en active Active
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