CN205140806U - Interlock mechanism of high tension switchgear - Google Patents
Interlock mechanism of high tension switchgear Download PDFInfo
- Publication number
- CN205140806U CN205140806U CN201520851309.1U CN201520851309U CN205140806U CN 205140806 U CN205140806 U CN 205140806U CN 201520851309 U CN201520851309 U CN 201520851309U CN 205140806 U CN205140806 U CN 205140806U
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- CN
- China
- Prior art keywords
- plate
- baffle plate
- connecting lever
- valve baffle
- connecting rod
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Abstract
The utility model relates to an interlock mechanism of high tension switchgear, include the earthing switch door baffle plate mechanism alive of opening or shielding the earthing switch handle hole, and the lead screw of control telescopic part back -and -forth movement, the alive door baffle plate of door baffle plate mechanism including the up -and -down motion but earthing switch lives, the door baffle plate that lives connects the connecting rod that sets up around one through a shifter, the shifter will be lived door baffle plate's up -and -down motion and converted the seesaw of connecting rod to, an actuating shaft connection drive plate one end is passed through to the rear end of connecting rod, the drive plate can set up in the location pivot rotation at drive plate middle part around one, the other end and the locking plate contact of drive plate are connected and can be promoted the removal of the locking plate left and right sides, the locking plate is located lead screw one side, and set up the lockable on the locking plate or release the fore shaft of filament delivery pole. This interlocking device simple structure, convenient to use can more effectively realize the interlocking function between interior telescopic part of cubical switchboard and the earthing switch, ensures the switchgear safe operation.
Description
Technical field
The utility model relates to a kind of interlocking device of high-tension switch cabinet.
Background technology
In prior art, extracted out the parts in withdrawing switch apparatus are locked by interlock and grounding switch operating device.Can extract parts out move with the folding condition of earthed switch closely related in switchgear, specifically: when earthed switch is in "on" position, parts can be extracted out do not allow to move to run location from test position, only have when earthed switch is in gate-dividing state, parts can be extracted out and just can move to run location from test position.Meanwhile, when extracting parts out and be in run location, earthed switch does not allow to carry out closing operation, and only have when extracting parts out and be in test position, earthed switch just can carry out closing operation.If above operation sequence is unclear in operator's switching devices, be then easy to cause misoperation, cause switchgear accident to occur, even cause device damage and casualties.In prior art, this interlock structure arranges still very unreasonable.
Summary of the invention
In order to overcome the above-mentioned deficiency of prior art, the utility model provides one rational in infrastructure and more reliable high-tension switch cabinet interlocking device.
The technical scheme in the invention for solving the technical problem is:
A kind of high-tension switch cabinet interlocking device, comprise earthed switch valve baffle mechanism ground connection switching manipulation hole opened or covers, and control to extract the movable screw mandrel of parts out, described earthed switch valve baffle mechanism comprises the valve baffle plate that can move up and down, described valve baffle plate connects the connecting rod arranged before and after by a switching mechanism, described switching mechanism converts moving up and down of valve baffle plate to connecting rod seesaw, the rear end of described connecting rod connects a drive plate one end by driving shaft, drive plate can rotate around a positioning rotating shaft be arranged in the middle part of drive plate, the other end of drive plate contacts with a locking plate to connect and can promote locking plate and moves left and right, described locking plate is positioned at screw mandrel side, and locking plate is arranged the fore shaft of lockable or release screw mandrel.
As preferably, driving shaft and positioning rotating shaft are also provided with bent plate, and described bent plate and drive plate synchronous axial system, the sidewall of described extracted out parts is provided with baffle plate, described baffle plate can be conflicted and be connected or bent plate described in release.
As preferably, switching mechanism comprises the connecting plate of the hinged valve baffle plate in one end, and the other end of connecting plate connects an active connecting lever, and described active connecting lever is connected with driven connecting lever by connecting lever axle, and driven connecting lever and active connecting lever synchronous axial system, the connecting rod described in described driven connecting lever connects.
As preferably, earthed switch valve baffle mechanism also comprises the back-moving spring connecting valve baffle plate.
As preferably, can extract parts out and be arranged on guide rail, initiatively the connecting lever axle of connecting lever and driven connecting lever is rotatably arranged in the hole of a conversion support, and this conversion support is fixed on the side plate of guide rail.
As preferably, drive plate and bent plate can around the axis rotation of positioning rotating shaft, and this positioning rotating shaft is fixed on a driving arm, and this driving arm is fixed on the side plate of guide rail.
When parts can be extracted out be in test position, pressure valve baffle plate, namely now earthed switch can carry out closing operation, after closing a floodgate, valve baffle plate is held open state, valve baffle plate drives initiatively connecting lever to rotate by connecting plate, initiatively connecting lever drives driven connecting lever to rotate by connecting lever axle, driven connecting lever pulls connecting rod to seesaw, connecting rod drives driving shaft motion, then drive plate and bent plate move around positioning rotating shaft, drive plate drives locking plate to move towards screw mandrel direction, until the fore shaft on locking plate pins screw mandrel, now, screw mandrel cannot rotate, then can extract parts out just cannot move to run location, thus achieve " when earthed switch is in "on" position, parts can be extracted out and can not move to run location from test position " this function.
Equally, when after grounding switch tripping, valve baffle plate upwards resets under the effect of back-moving spring, is moved by switching mechanism drivening rod, and drives drive plate to return, and locking plate resets, and screw mandrel unlocks, and can extract parts out and just be movable to run location.
When extracting out after parts move to run location, the baffle plate conflict can extracting component side walls out connects bent plate, cause bent plate cannot rotate around positioning rotating shaft, cause drive plate also cannot rotate because bent plate cannot rotate, then connecting rod also cannot move, now, just cannot press down valve baffle plate, then earthed switch handle hole is blocked by valve baffle plate, namely can not realize closing operation, thus realize " when extracting parts out and be in run location, earthed switch can not close a floodgate " this function.
In addition, the radius of gyration of drive plate and bent plate is comparatively large, therefore in rotation smaller angle situation, can realize larger row journey or displacement, namely realize little input and export greatly, be relatively applicable to limited space, in narrow switchgear.
The beneficial effects of the utility model are: this interlocking device structure is simple, easy to use, more effectively can realize the interlock can extracted out in switch cubicle between parts and earthed switch, guarantee switchgear safe operation.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is another angled arrangement schematic diagram of Fig. 1.
Fig. 3 is the part-structure schematic diagram of Fig. 1.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1, 2, 3, a kind of high-tension switch cabinet interlocking device, comprise the earthed switch valve baffle mechanism 3 ground connection switching manipulation hole being opened or covers and control to extract the movable screw mandrel 5 of parts 1 out, described earthed switch valve baffle mechanism comprises the valve baffle plate 4 that can move up and down, valve baffle plate 4 is connected with back-moving spring 2, valve baffle plate moves downward, then it opens earthed switch handle hole, closing operation can be carried out, if it moves upward, close earthed switch handle hole, can not closing operation be carried out.Valve baffle plate 4 connects the connecting rod 9 arranged before and after by a switching mechanism, switching mechanism comprises the connecting plate 10 of the hinged valve baffle plate in one end, the other end of connecting plate connects an active connecting lever 15, described active connecting lever connects driven connecting lever 17 by connecting lever axle 16, connecting lever axle rotates in the hole of conversion support 18, can extract parts out is arranged on guide rail, and this conversion support is fixed on the side plate of guide rail.Connecting lever axle 16 makes driven connecting lever and active connecting lever synchronous axial system, the connecting rod 9 described in driven connecting lever connects.Switching mechanism converts moving up and down of valve baffle plate to connecting rod 9 seesaw, the rear end of connecting rod connects drive plate 12 one end by driving shaft 13, the circular hole at the middle part of drive plate 12 is arranged with positioning rotating shaft 11 is concentric, drive plate can rotate around positioning rotating shaft, the other end of drive plate 12 contacts with a locking plate 6 to connect and can promote locking plate and moves left and right, described locking plate is positioned at screw mandrel side, and locking plate is arranged the fore shaft of lockable or release screw mandrel.Positioning rotating shaft 11 is fixed on driving arm 19, and this driving arm 19 is fixed on the side plate of guide rail.
Driving shaft 13 also will drive bent plate 8, and the middle part circular hole of this bent plate 8 is concentric with positioning rotating shaft 11, and another circular hole is concentric with driving shaft 13.Bent plate 8 described like this by the axle center synchronous axial system around locating shaft 11, the sidewall of described extracted out parts is provided with baffle plate 7, the rotation of the bent plate 8 that described baffle plate 7 can be conflicted described, the rotation of conflict driving shaft 13 the most at last with drive plate 12.
When parts 1 can be extracted out be in test position, pressure valve baffle plate 4, namely now earthed switch can carry out closing operation, after closing a floodgate, valve baffle plate is held open state, valve baffle plate drives initiatively connecting lever 15 to rotate by connecting plate 10, initiatively connecting lever drives driven connecting lever 17 to rotate by connecting lever axle 16, driven connecting lever pulls connecting rod 9 to seesaw, connecting rod drives driving shaft 13 to move, then drive plate and bent plate rotate around positioning rotating shaft 11, drive plate drives locking plate to move towards screw mandrel direction, until the fore shaft on locking plate pins screw mandrel 5, now, screw mandrel cannot rotate, then can extract parts out just cannot move to run location, thus achieve " when earthed switch is in "on" position, parts can be extracted out and can not move to run location from test position " this function.
Equally, when after grounding switch tripping, valve baffle plate upwards resets under the effect of back-moving spring 2, is moved by switching mechanism drivening rod 9, and drives drive plate 12 to return, and locking plate resets, and screw mandrel unlocks, and can extract parts out and just be movable to run location.
When extracting out after parts move to run location, baffle plate 7 conflict can extracting component side walls out connects bent plate, cause bent plate cannot rotate around positioning rotating shaft 11, cause drive plate also cannot rotate because bent plate 8 cannot rotate, then connecting rod also cannot move, now, just cannot press down valve baffle plate 4, then earthed switch handle hole is blocked by valve baffle plate, namely can not realize closing operation, thus realize " when extracting parts out and be in run location, earthed switch can not close a floodgate " this function.
In addition, the radius of gyration of drive plate and bent plate is comparatively large, therefore in rotation smaller angle situation, can realize larger row journey or displacement, namely realize little input and export greatly, be relatively applicable to limited space, in narrow switchgear.
This interlocking device structure is simple, easy to use, more effectively can realize the interlock can extracted out in switch cubicle between parts and earthed switch, guarantee switchgear safe operation.
Claims (5)
1. a high-tension switch cabinet interlocking device, comprise earthed switch valve baffle mechanism ground connection switching manipulation hole opened or covers, and control to extract the movable screw mandrel of parts out, described earthed switch valve baffle mechanism comprises the valve baffle plate that can move up and down, it is characterized in that: described valve baffle plate connects the connecting rod arranged before and after by a switching mechanism, described switching mechanism converts moving up and down of valve baffle plate to connecting rod seesaw, the rear end of described connecting rod connects a drive plate one end by driving shaft, drive plate can rotate around a positioning rotating shaft be arranged in the middle part of drive plate, the other end of drive plate contacts with a locking plate to connect and can promote locking plate and moves left and right, described locking plate is positioned at screw mandrel side, and locking plate is arranged the fore shaft of lockable or release screw mandrel.
2. a kind of high-tension switch cabinet interlocking device according to claim 1, it is characterized in that: described driving shaft and positioning rotating shaft are also provided with bent plate, and described bent plate and drive plate synchronous axial system, the sidewall of described extracted out parts is provided with baffle plate, described baffle plate can conflict connect or release described in bent plate.
3. a kind of high-tension switch cabinet interlocking device according to claim 1 and 2, it is characterized in that: described switching mechanism comprises the connecting plate of the hinged valve baffle plate in one end, the other end of connecting plate connects an active connecting lever, described active connecting lever is connected with driven connecting lever by connecting lever axle, and driven connecting lever and active connecting lever synchronous axial system, the connecting rod described in described driven connecting lever connects.
4. a kind of high-tension switch cabinet interlocking device according to claim 3, is characterized in that: described earthed switch valve baffle mechanism also comprises the back-moving spring connecting valve baffle plate.
5. a kind of high-tension switch cabinet interlocking device according to claim 3, it is characterized in that: described extracted out parts are arranged on guide rail, initiatively the connecting lever axle of connecting lever and driven connecting lever is rotatably arranged in the hole of a conversion support, and this conversion support is fixed on the side plate of guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851309.1U CN205140806U (en) | 2015-10-30 | 2015-10-30 | Interlock mechanism of high tension switchgear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520851309.1U CN205140806U (en) | 2015-10-30 | 2015-10-30 | Interlock mechanism of high tension switchgear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205140806U true CN205140806U (en) | 2016-04-06 |
Family
ID=55626573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520851309.1U Active CN205140806U (en) | 2015-10-30 | 2015-10-30 | Interlock mechanism of high tension switchgear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205140806U (en) |
-
2015
- 2015-10-30 CN CN201520851309.1U patent/CN205140806U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |