CN203760892U - Emergency unlocking apparatus - Google Patents
Emergency unlocking apparatus Download PDFInfo
- Publication number
- CN203760892U CN203760892U CN201420008379.6U CN201420008379U CN203760892U CN 203760892 U CN203760892 U CN 203760892U CN 201420008379 U CN201420008379 U CN 201420008379U CN 203760892 U CN203760892 U CN 203760892U
- Authority
- CN
- China
- Prior art keywords
- plate
- supporting plate
- guide post
- latching electromagnet
- unlocking
- 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
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Abstract
The utility model discloses an emergency unlocking apparatus. The emergency unlocking apparatus comprises a latching electromagnet, wherein an unlocking rod head end of the latching electromagnet is right opposite to a locking rod of a pushing mechanism square steel. The emergency unlocking electromagnet further comprises a support plate, a guiding device and a lever mechanism. The support plate and a static frame bent plate are arranged to be parallel with each other. One end of the support plate is fixed to the pushing mechanism square steel, and further the latching electromagnet is disposed at this end of the support plate. The guiding device is positioned at the other end of the support plate. The guiding device includes a guiding rod that is parallel to a pathway of the pushing mechanism. The front end of the guiding rod penetrates through the static frame bent plate and is provided with an unlocking handle for rotating the guiding rod. The lever mechanism is mounted on the support plate, wherein one end of the lever mechanism is controlled through the rotation of the guiding rod, while the other end of the lever mechanism controls the retraction of the unlocking rod of the latching electromagnet with the rotation of the guiding rod. The emergency unlocking apparatus can guarantee safe operation and convenient operation, is reliable in unlocking; furthermore, the unlocking handle can be reset automatically, and the long-term use of the unlocking handle does not cause an unlocking failure of the pushing operation mechanism.
Description
Technical field
The utility model relates to a kind of high pressure sealing switch equipment and control appliance, relates in particular to the emergency unlocking device in a kind of 35KV handcart-type high-pressure metal sealing switch equipment and control appliance.
Background technology
" five is anti-" locking that current domestic 35KV isolation handcart of high voltage switch cabinet adopts, mainly adopt and on operating mechanism plate, fill latching electromagnet 3, in the time that needs overhaul transmission line circuit, because isolation handcart is in service position, major loop is charged, conventionally by electric release, must be first by additional working power to latching electromagnet 3 coil adhesives, the trip lever 4 of latching electromagnet 3 shortens to handcart face direction before cabinet, now propulsive mechanism valve bent plate 1 can be to pressing down, handcart operating grip can insert propulsive mechanism handle hole isolation handcart is shaken to test position, can overhaul, if electric loop without additional power source or latching electromagnet because normal charged frequent appearance of phase is caused electric release to be lost efficacy by burning, now can only adopt mechanical interlocking mode emergency release, pull emergency release handle 2, by steel wire rope 5 to cabinet front to the trip lever 4 that pulls latching electromagnet 3 towards cabinet before handcart panel direction shorten release, now propulsive mechanism valve bent plate 1 can be to pressing down, handcart can operate, but because original emergency release is loaded on handcart panel, handcart by test position shake to service position stroke be 610mm, now emergency release handle 2 is with panel motion 610mm, need urgent lock when the situation is critical, operate extremely inconvenient, can not realize quick release.
Summary of the invention
The problem existing for above-mentioned prior art, the utility model object is to provide a kind of emergency unlocking device, can guarantee that handling safety is easy to operate again, and release is simultaneously reliable, and release lever can automatically reset, long-time use can not cause the release of forward operation mechanism to lose efficacy yet.
The technical solution of the utility model is: a kind of emergency unlocking device, comprise latching electromagnet, the trip lever head end of described latching electromagnet and the locking bar of propulsive mechanism square steel are just right, also comprise supporting plate, guider and leverage, described supporting plate and quiet vehicle frame bent plate be arranged in parallel, one end of supporting plate and propulsive mechanism square steel are fixed, and latching electromagnet is arranged on this end of supporting plate, described guider is positioned at the other end of supporting plate, guider comprises the guide post with the parallel track of propulsive mechanism, the front end of guide post is provided with the release lever for rotary steering bar after passing quiet vehicle frame bent plate, described leverage is arranged on supporting plate, one end of leverage is by the control of rotary steering bar, the other end is along with the trip lever indentation of the rotation control latching electromagnet of guide post.
As preferably, described leverage comprises the driver plate being rotatably connected with supporting plate, one end of described driver plate is provided with the drive block for controlling driver plate rotation, the cross section of guide post is any shape except circular, on described drive block, offer the through hole identical with the shape of cross section of guide post, and drive block is slidably matched by this through hole and guide post, the other end of driver plate is provided with unlocking board, described unlocking board has the inclined plate surface relative with latching electromagnet position, on this inclined plate surface, offer guide groove, the trip lever tail end of latching electromagnet is positioned at this guide groove and can slides along guide groove, and there is the position limiting structure that limits it and deviate from guide groove at the trip lever tail end of latching electromagnet.
As preferably, described leverage comprises the driver plate being rotatably connected with supporting plate, one end of described driver plate is provided with the drive block for controlling driver plate rotation, the cross section of guide post is any shape except circular, on described drive block, offer the through hole identical with the shape of cross section of guide post, and drive block is slidably matched by this through hole and guide post, the other end of driver plate is provided with unlocking board, described unlocking board has the inclined plate surface relative with latching electromagnet position, on this inclined plate surface, offer guide groove, the trip lever tail end of latching electromagnet is positioned at this guide groove and can slides along guide groove, and there is the position limiting structure that limits it and deviate from guide groove at the trip lever tail end of latching electromagnet.
As preferably, described supporting plate is also fixed with for drive block is carried out to spacing baffle plate.
As preferably, described baffle plate has a flat board parallel with supporting plate, and on this flat board and supporting plate, all offer for guide post and wear in it and can be at the through hole of interior rotation, described drive block is between supporting plate and the parallel flat board of baffle plate and supporting plate.
As preferably, described driver plate is provided with extension spring between the one end near guide post and supporting plate.
As preferably, described drive block is positioned at the top of driver plate, and one end of described extension spring is fixed on the upside of driver plate, and the other end is fixed on the upside of supporting plate, and the inclined plate surface upper end of described unlocking board is to latching electromagnet lopsidedness.
As preferably, on described guide post, reduction torsion spring is installed.
As preferably, described reduction torsion spring is set on guide post, and one end is positioned on guide post, and the other end is positioned on quiet vehicle frame bent plate.
The beneficial effects of the utility model are: the utility model is by the change of structure, latching electromagnet is fixed with the relative propulsive mechanism square steel of leverage of the trip lever indentation of controlling latching electromagnet, latching electromagnet can be moved together along with propulsive mechanism square steel, guider becomes the guide rail of latching electromagnet and leverage on the one hand, another facilitates guider to control leverage, and then indirectly control the release of latching electromagnet, and release action is transformed into the operating surface of quiet vehicle frame bent plate.In the time needing examination and repair for high-pressure to open the light the transmission line circuit of cabinet isolation handcart, after electric release was lost efficacy, operating surface rotation release lever at quiet vehicle frame bent plate can drive leverage to make the trip lever of latching electromagnet to the indentation of cabinet front by rotary steering bar, throw off with the locking bar of propulsive mechanism square steel, now the valve bent plate of propulsive mechanism can be to pressing down, handcart can operate, because the valve bent plate of rotation release lever and propulsive mechanism is all positioned on the operating surface of quiet vehicle frame bent plate, simple operation when release, thereby can realize quick release, not only convenient but also reliable.
Brief description of the drawings
Fig. 1 is the structural representation of prior art middle-high voltage switch isolation handcart in test position;
Fig. 2 is the enlarged drawing at A place in Fig. 1;
Fig. 3 is the structural representation of prior art middle-high voltage switch isolation handcart in service position;
Fig. 4 is that the utility model is being isolated the structural representation of handcart in test position;
Fig. 5 is that the utility model is being isolated the structural representation of handcart in service position;
Fig. 6 is that B in Fig. 5 is to view;
Fig. 7 is the C-C cutaway view in the Fig. 5 under blocking;
Fig. 8 is the D-D cutaway view in Fig. 7;
Fig. 9 is the C-C cutaway view in the Fig. 5 under released state;
Figure 10 is the E-E cutaway view in Fig. 9.
Embodiment
Embodiment 1: as shown in Fig. 4 to Figure 10, a kind of emergency unlocking device, comprise latching electromagnet 3, supporting plate 10, guider and leverage, the head end of the trip lever 4D of described latching electromagnet 3 and the locking bar 61 of propulsive mechanism square steel 6 are just right, described supporting plate 10 be arranged in parallel with quiet vehicle frame bent plate 18, one end of supporting plate 10 and propulsive mechanism square steel 6 is fixing, and latching electromagnet 3 is arranged on this end of supporting plate 10, and guider is positioned at the other end of supporting plate 10.
Described guider is made up of release lever 2, reduction torsion spring 8 and guide post 9 etc.Described guide post 9 is parallel with the track 62 of propulsive mechanism, and the cross section of guide post 9 is any shape except circular, and in the present embodiment, the cross section of guide post 9 is square.On quiet vehicle frame bent plate 18, offer the through hole that pass and that can rotate for guide post 9 therein, in the present embodiment, this through hole is circular hole (not shown on this circular hole figure).On the operating surface of quiet vehicle frame bent plate 18, position that should through hole is being provided with to the guide pipe 7 coordinating with guide post 9 by bolt and nut component, in the present embodiment, the endoporus of guide pipe 7 is the circular hole identical with hole size on quiet vehicle frame bent plate 18.The front end of guide post 9 passes after the through hole of quiet vehicle frame bent plate 18 and the endoporus of guide pipe 7 successively, release lever 2 is installed, for rotary steering bar 9.Described reduction torsion spring 8 is set on guide post 9, by being fixed on guide post 9 guide pile location, (this guide pile is common structure in one end, not shown on figure), the other end is by the location, the inner of the bolt and nut component of the fixed guide pipe 7 of the inner side of quiet vehicle frame bent plate 18.
Described leverage is made up of driver plate 12, drive block 13, unlocking board 15 and baffle plate 11, and as shown in Figure 7, described driver plate 12 is rotatably connected with supporting plate 10 by the rotating shaft 19 perpendicular to supporting plate 10.Drive block 13 is positioned at one end of driver plate 12, rotates for controlling driver plate 12.On drive block 13, offer the through hole identical with the shape of cross section of guide post 9, and drive block 13 is slidably matched by this through hole and guide post 9, in the time that guide post 9 rotates, drive block 13 can rotate together along with guide post 9.
Described baffle plate 11 is L-type, one of them flat board of baffle plate 11 is vertical with supporting plate 10, and this flat board and supporting plate 10 are fixing, another flat board of baffle plate 11 is parallel with supporting plate 10, and on this flat board and supporting plate 10, all offer for guide post 9 and wear in it and can be at the through hole of interior rotation, in the present embodiment, this through hole is circular hole.Described drive block 13 is between supporting plate 10 and baffle plate 11 and the parallel flat board of supporting plate 10, and this flat board of baffle plate 11 and supporting plate 10 form spacing to drive block 13, drive block 13 can be moved along guide post 9 length directions together along with supporting plate 10.
Driver plate 12 is near between this end of guide post 9 and supporting plate 10, extension spring 14 being also installed, for the return of driver plate 12.Unlocking board 15 is fixed on driver plate 12 one end near latching electromagnet 3, unlocking board 15 has the inclined plate surface relative with latching electromagnet 3 positions, on this inclined plate surface, offer guide groove 16, the tail end of the trip lever 4 of latching electromagnet 3 is positioned at this guide groove 16 and can slides along guide groove 16, and has at the tail end of the trip lever 4 of latching electromagnet 3 position limiting structure that limits it and deviate from guide groove 16.In the present embodiment, guide groove 16 is the groove that runs through the inclined plate surface of unlocking board 15, the tail end of the trip lever 4 of latching electromagnet 3 is through this groove, and afterbody that a cross-sectional width is greater than this groove width is set as position-limit mechanism, as shown in Figure 8 at the tail end of the trip lever 4 of latching electromagnet 3.
In the present embodiment, drive block 13 is positioned at the top of driver plate 12, and one end of extension spring 14 is fixed on the upside of driver plate 12, and the other end is fixed on the upside of supporting plate 10, and the inclined plate surface upper end of described unlocking board 15 is to latching electromagnet 3 lopsidedness.
In the time that needs carry out emergency release, be rotated counterclockwise release lever 2, guide post 9 is rotated counterclockwise, drive drive block 13 to pressing down driver plate 12, the other end of driver plate 12 drives unlocking board 15 to move upward, the guide groove 16 of the relative unlocking board 15 of tail end of the trip lever 4 of latching electromagnet 3 is slided, because the inclined plate surface upper end of unlocking board 15 is to latching electromagnet 3 lopsidedness, when the move upward tail end of the trip lever 4 that makes latching electromagnet 3 of unlocking board 15 slides into behind the lower end of trip lever 4, trip lever 4 entirety of latching electromagnet 3 are to unlocking board 15 1 side shiftings, thereby make the head end of trip lever 4 of latching electromagnet 3 to the indentation of cabinet front, throw off with the locking bar 61 of propulsive mechanism square steel 6, now the valve bent plate 1 of propulsive mechanism can be to pressing down, realize quick release action.Now, propulsive mechanism square steel 6 can be along propulsive mechanism track 62 to cabinet front to propelling, drive block 13, supporting plate 10 and be arranged on each part on supporting plate 10 along with propulsive mechanism square steel 6 is together to cabinet front to propelling, until handcart arrives test position, as shown in Figure 4.
After release has been moved, unclamp release lever 2, guide post 9 can automatically restore to initial position under the effect of reduction torsion spring 8.Now, drive block 13 is removed the pressure to driver plate 12, driver plate 12 is under the effect of extension spring 14, drive unlocking board 15 to move downward return, the tail end of the trip lever 4 of latching electromagnet 3 relatively slides to the upper end of the guide groove 16 of unlocking board 15, is arranged with return spring 17, on the trip lever 4 of latching electromagnet 3 under the effect of return spring 17, trip lever 4 returns of latching electromagnet 3, can make the head end of the trip lever 4 of latching electromagnet 3 stretch out to locking bar 61 directions of propulsive mechanism square steel 6.
Embodiment 2: in the present embodiment, drive block is positioned at the below of driver plate, one end of extension spring is fixed on the downside of driver plate, and the other end is fixed on the downside of supporting plate, and the inclined plate surface lower end of unlocking board is to latching electromagnet lopsidedness.The direction of reduction torsion spring arranges according to the reset direction of guide post.In the present embodiment, all the other structures are identical with embodiment 1.
The difference of the present embodiment and embodiment 1 is, the release action of release lever is turned clockwise by being rotated counterclockwise to change into, and to adapt to different operating habits, release principle is identical with embodiment 1.
Above a kind of emergency unlocking device provided by the utility model is carried out to detailed introduction, applied specific case herein structure of the present utility model and execution mode are set forth, the explanation of above embodiment is just for helping to understand structure of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.To be possible to change of the present utility model and improvement, and can not exceed design and the scope that accessory claim can specify.
Claims (8)
1. an emergency unlocking device, comprise latching electromagnet, the trip lever head end of described latching electromagnet and the locking bar of propulsive mechanism square steel are just right, it is characterized in that: also comprise supporting plate, guider and leverage, described supporting plate and quiet vehicle frame bent plate be arranged in parallel, one end of supporting plate and propulsive mechanism square steel are fixed, and latching electromagnet is arranged on this end of supporting plate, described guider is positioned at the other end of supporting plate, guider comprises the guide post with the parallel track of propulsive mechanism, the front end of guide post is provided with the release lever for rotary steering bar after passing quiet vehicle frame bent plate, described leverage is arranged on supporting plate, one end of leverage is by the control of rotary steering bar, the other end is along with the trip lever indentation of the rotation control latching electromagnet of guide post.
2. emergency unlocking device according to claim 1, it is characterized in that: described leverage comprises the driver plate being rotatably connected with supporting plate, one end of described driver plate is provided with the drive block for controlling driver plate rotation, the cross section of guide post is any shape except circular, on described drive block, offer the through hole identical with the shape of cross section of guide post, and drive block is slidably matched by this through hole and guide post, the other end of driver plate is provided with unlocking board, described unlocking board has the inclined plate surface relative with latching electromagnet position, on this inclined plate surface, offer guide groove, the trip lever tail end of latching electromagnet is positioned at this guide groove and can slides along guide groove, and there is the position limiting structure that limits it and deviate from guide groove at the trip lever tail end of latching electromagnet.
3. emergency unlocking device according to claim 2, is characterized in that: described supporting plate is also fixed with for drive block is carried out to spacing baffle plate.
4. emergency unlocking device according to claim 3, it is characterized in that: described baffle plate has a flat board parallel with supporting plate, and on this flat board and supporting plate, all offer for guide post and wear in it and can be at the through hole of interior rotation, described drive block is between supporting plate and the parallel flat board of baffle plate and supporting plate.
5. emergency unlocking device according to claim 4, is characterized in that: described driver plate is provided with extension spring between the one end near guide post and supporting plate.
6. emergency unlocking device according to claim 5, it is characterized in that: described drive block is positioned at the top of driver plate, one end of described extension spring is fixed on the upside of driver plate, and the other end is fixed on the upside of supporting plate, and the inclined plate surface upper end of described unlocking board is to latching electromagnet lopsidedness.
7. according to the emergency unlocking device described in claim 1 to 6 arbitrary, it is characterized in that: on described guide post, reduction torsion spring is installed.
8. emergency unlocking device according to claim 7, is characterized in that: described reduction torsion spring is set on guide post, and one end is positioned on guide post, and the other end is positioned on quiet vehicle frame bent plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008379.6U CN203760892U (en) | 2014-01-07 | 2014-01-07 | Emergency unlocking apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420008379.6U CN203760892U (en) | 2014-01-07 | 2014-01-07 | Emergency unlocking apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760892U true CN203760892U (en) | 2014-08-06 |
Family
ID=51256129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420008379.6U Expired - Fee Related CN203760892U (en) | 2014-01-07 | 2014-01-07 | Emergency unlocking apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760892U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207831A (en) * | 2016-08-30 | 2016-12-07 | 金炉电气有限公司 | Electricity behaviour's interlock |
-
2014
- 2014-01-07 CN CN201420008379.6U patent/CN203760892U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207831A (en) * | 2016-08-30 | 2016-12-07 | 金炉电气有限公司 | Electricity behaviour's interlock |
| CN106207831B (en) * | 2016-08-30 | 2018-04-10 | 金炉电气有限公司 | Electricity behaviour's interlock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20150107 |
|
| EXPY | Termination of patent right or utility model |