CN201927504U - Energy storage misoperation prevention mechanism - Google Patents
Energy storage misoperation prevention mechanism Download PDFInfo
- Publication number
- CN201927504U CN201927504U CN2010206718802U CN201020671880U CN201927504U CN 201927504 U CN201927504 U CN 201927504U CN 2010206718802 U CN2010206718802 U CN 2010206718802U CN 201020671880 U CN201020671880 U CN 201020671880U CN 201927504 U CN201927504 U CN 201927504U
- Authority
- CN
- China
- Prior art keywords
- energy storage
- connecting lever
- clutch connecting
- handcart
- clutch
- 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 - Lifetime
Links
Images
Landscapes
- Mechanical Operated Clutches (AREA)
Abstract
The utility model relates to an energy storage misoperation prevention mechanism, which is arranged on a handcart and comprises a first trigger locking device and a transfer control device. The first trigger locking device is arranged on a load switch of the handcart, is used for generating a test/work position energy storage switching control action and comprises an energy storage shaft (3). The energy storage shaft (3) stores energy under the rotating drive of a clutch (11). The transfer control device is arranged on the handcart, is used for transferring and realizing the test/work position energy storage switching control action and comprises a separation assembly, wherein by the separation assembly, the clutch (11) is separated and cannot rotate again and the energy storage shaft (3) cannot store energy. When the handcart is positioned at a test or work position and the load switch is subjected to energy storage switching-on, the energy storage misoperation prevention mechanism can prevent continuously manually storing energy so as to prevent excessive impact and guarantee equipment safety.
Description
Technical field
The utility model relates to high-voltage switch electric appliance mechanical interlocking device technical field, particularly a kind of energy storage anti-misoperation mechanism that is used for handcart type vacuum on-load switch, handcart type vacuum switch-fuse combination.
Background technology
The handcart type combined electrical device that handcart type vacuum on-load switch or handcart type vacuum switch-fuse combination etc. have on-load switch will insert high-tension switch cabinet in use, and on-load switch, fuse etc. are electrically connected with relevant electric elements.With handcart type vacuum switch-fuse combination (being designated hereinafter simply as handcart) is example, generally include the chassis car, be arranged on on-load switch, the fuse on the car of described chassis and other elements that are electrically connected with high-tension switch cabinet etc., the chassis car is provided with roller, so that handcart is advanced, pulls out high-tension switch cabinet.
Usually, handcart is pushed high-tension switch cabinet position before, be defined as test position; Handcart just is being pushed into or the position when pulling out high-tension switch cabinet, is being defined as the centre position; Handcart is pushed into high-tension switch cabinet and has finished the position after the electrical connection, be defined as the service position.When handcart is in test position or service position, for on-load switch is closed a floodgate, need hand rotation energy storage handle, make the energy storage axle rotate energy storage, if on-load switch energy storage has closed a floodgate, and operating personnel do not know also to continue manual energy storage, can produce overbump to electric equipment, cause device damage easily, influence useful life of equipment.But, also do not have in the prior art at present and can be in test or service position at handcart, when on-load switch energy storage is closed a floodgate, prevent to continue manual energy storage, protection equipment is not damaged, and protects the anti-misoperation mechanism of service life of equipment.
The utility model content
For this reason, technical problem to be solved in the utility model is that the handcart type vacuum on-load switch of prior art or handcart type vacuum switch-fuse combination etc. are in test or service position, and when on-load switch energy storage is closed a floodgate, lack the mechanism that prevents to continue manual energy storage, and cause the technical problem of device damage easily, and provide a kind of when handcart is in test or service position and on-load switch energy storage combined floodgate, can prevent to continue manual energy storage, prevent overbump, guarantee the energy storage anti-misoperation mechanism that is used for handcart type vacuum on-load switch or handcart type vacuum switch-fuse combination of device security.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is as follows:
A kind of energy storage anti-misoperation mechanism is arranged on the handcart, comprises
First triggers locking device, is arranged on the on-load switch of described handcart, is used for producing test/service position energy storage combined floodgate control action, comprises the energy storage axle, the energy storage under the rotating drive of clutch of described energy storage axle;
The transmitting control device, be arranged on the described handcart and and link with the described first triggering locking device, be used for transmitting and realizing described test/service position energy storage combined floodgate control action, comprise make that described throw-out-of clutch can not rotate again, the described energy storage axle disengagement assembly of energy storage again.
In the above-mentioned anti-misoperation mechanism, described disengagement assembly comprises inboard clutch connecting lever and outside clutch connecting lever, described inboard clutch connecting lever and described outside clutch connecting lever all have an end to be sleeved on the described clutch Outside of described spring operating mechanism, and are stuck between the side plate at described clutch two ends; Mesh between the described end of described inboard clutch connecting lever and described outside clutch connecting lever, the described field of conjugate action comprises that some on described inboard clutch connecting lever and the described outside clutch connecting lever face directly and on the described inclined-plane of facing both sides directly, the described bearing of trend of facing directly is vertical with the bearing of trend of described energy storage axle; When described inclined-plane is stressed, described inboard clutch connecting lever and described outside clutch connecting lever slide relative away from, and then the described side plate that makes described clutch two ends is relatively away from disengagement; Face directly when being adjacent to relatively when described, described inboard clutch connecting lever relative with described outside clutch connecting lever near.
In the above-mentioned anti-misoperation mechanism, described transmitting control device also comprises operating mechanism drive disk assembly, transmission main shaft and connecting plate;
Described operating mechanism drive disk assembly is connected with described energy storage axle, and transmits the described test/service position energy storage combined floodgate control action of described energy storage axle;
Described transmission main shaft, when the continuous energy storage of described energy storage axle to described on-load switch closed a floodgate, described transmission main shaft laterally rotated an angle under the drive of described operating mechanism drive disk assembly;
Described connecting plate, its upper end and the hinged interlock of described transmission main shaft, the other end of lower end and described outside clutch connecting lever is hinged, and described outside clutch connecting lever can rotate around described energy storage axle under the drive of described connecting plate.
In the above-mentioned anti-misoperation mechanism, described chassis car Control Shaft is suitable for inserting chassis driver's handle, and described energy storage axle is suitable for inserting the energy storage handle.
Technique scheme of the present utility model has the following advantages compared to existing technology:
1. the anti-misoperation mechanism that provides of the utility model, comprise that first triggers locking device and transmitting control device, first triggers locking device is arranged on the on-load switch of described handcart, be used for producing test/service position energy storage combined floodgate control action, and the transmitting control device is arranged on the handcart, be used for transmitting and realization energy storage combined floodgate control action, when handcart is in test/service position, if on-load switch closes a floodgate, the energy storage axle can not continue the function of energy storage more so, prevent overbump, prevent damage equipment, guarantee safety;
2. the anti-misoperation mechanism that provides of the utility model, disengagement assembly in the transmitting control device comprises inboard clutch connecting lever and outside clutch connecting lever, realize when the inclined-plane of the field of conjugate action is stressed, inboard clutch connecting lever relative with outside clutch connecting lever away from, thereby the side plate that makes the clutch two ends is relatively away from pushing open, the energy storage axle can not carry out stored energy operation again, when facing directly of the field of conjugate action is stressed, inboard clutch connecting lever relative with outside clutch connecting lever near, the energy storage axle can carry out stored energy operation again, the said structure advantages of simple, be easy to realize, and can realize test/service position energy storage combined floodgate control action easily, prevent overbump, prevent damage equipment, guarantee safety.
Description of drawings
For the easier quilt of content of the present utility model is clearly understood, according to specific embodiment of the utility model also in conjunction with the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the overall structure schematic diagram of the handcart type vacuum switch-fuse combination that relates to of the utility model;
Fig. 2 is the schematic diagram of chassis car among Fig. 1;
Fig. 3 is the schematic diagram of clutch connecting lever in medial and lateral in the utility model anti-misoperation mechanism;
Fig. 4 throws off assembly to be close to view in the utility model anti-misoperation mechanism;
Fig. 5 throws off assembly away from view one in the utility model anti-misoperation mechanism;
Fig. 6 throws off assembly away from view two in the utility model anti-misoperation mechanism;
Fig. 7 is that handcart is in test position or service position, during the on-load switch gate-dividing state, and the schematic diagram of anti-misoperation mechanism;
Fig. 8 is that handcart is in test position or service position, during on-load switch gate-dividing state (hiding the clutch connecting lever), and the schematic diagram of anti-misoperation mechanism;
Fig. 9 is that handcart mediates, during the on-load switch gate-dividing state, and the schematic diagram of anti-misoperation mechanism;
Figure 10 is that handcart mediates, during on-load switch gate-dividing state (hiding the clutch connecting lever), and the schematic diagram of anti-misoperation mechanism;
Figure 11 is that handcart mediates, the front view of anti-misoperation mechanism;
Figure 12 is that handcart is in test position or service position, during the on-load switch "on" position, and the schematic diagram of anti-misoperation mechanism;
Figure 13 is that handcart is in test position or service position, during on-load switch "on" position (hiding the clutch connecting lever), and the schematic diagram of anti-misoperation mechanism.
Reference numeral is expressed as among the figure: 1-chassis car, 2-chassis car Control Shaft, 3-energy storage axle, 4-chassis car drive disk assembly, the 5-junction panel, the inboard clutch connecting lever of 6-, 7-outside clutch connecting lever, 8-chassis driver's handle, the 9-transmission main shaft, 10-connecting plate, 11-clutch, 12-side plate, the 13-inclined-plane, 14-faces directly, 15-transmission bent plate, 16-connecting rod, the 17-push rod, 18-pressing plate, 19-bent plate, 20-chassis lock plate pin, 21-energy storage handle, 22-roller.
Embodiment
At first, some related concept explanations of the utility model are defined as follows.
Anti-misoperation control action in test/service position is meant when handcart to be in test position or service position, and on-load switch is used to the control action that prevents that handcart is pushed into, pulls out when having closed a floodgate.
Test/service position energy storage combined floodgate control action is meant when handcart to be in test position or service position, and on-load switch is used to prevent that the energy storage axle from continuing the control action of energy storage when having closed a floodgate.
Anti-misoperation control action in centre position is meant when handcart mediates, and is used to the control action that prevents that on-load switch from closing a floodgate.
As shown in Figure 1, be the preferred embodiment of the utility model anti-misoperation mechanism, present embodiment is an example with handcart type vacuum switch-fuse combination (being designated hereinafter simply as handcart).The chassis car 1 of described handcart bottom has chassis driver's handle 8 and roller 22, as shown in Figure 2 so that described handcart is pushed, pulls out high-tension switch cabinet on the described chassis car 1.Described anti-misoperation mechanism is arranged on the described handcart, comprises that first triggers locking device, second and trigger locking device and transmitting control device.
Described first triggers locking device, be arranged on the on-load switch of described handcart, be used for producing test/service position anti-misoperation control action, and be used for producing test/service position energy storage combined floodgate control action, and be used to realize centre position anti-misoperation control action.Described first triggers locking device comprises energy storage axle 3, the energy storage under the rotating drive of clutch 11 of described energy storage axle 3, and described energy storage axle 3 constantly energy storage closes a floodgate to described on-load switch, and described energy storage axle 3 is suitable for inserting the energy storage handle 21 of being convenient to manual stored energy operation.
Described second triggers locking device, be arranged on the described chassis car 1 of described handcart, cooperate with the described first triggering locking device, be used to realize described test/service position anti-misoperation control action, also be used to produce described centre position anti-misoperation control action.Described second triggers locking device comprises chassis car Control Shaft 2, rotates described chassis car Control Shaft 2 described chassis car 1 is moved, and makes described handcart be pushed into, pull out, and described chassis car Control Shaft 2 is suitable for inserting to be convenient to manually operated chassis car and to shake handle.
Described transmitting control device, being arranged on described first triggers between locking device and the described second triggering locking device, can trigger the locking device interlock with the described first triggering locking device, described second, be used to transmit described test/service position anti-misoperation control action, and be used to transmit described centre position anti-misoperation control action, but also be used for transmitting and realizing described test/service position energy storage combined floodgate control action.
Described transmitting control device comprises operating mechanism drive disk assembly, transmission main shaft 9, connecting plate 10, transmission bent plate 15, connecting rod 16, push rod 17, the pressing plate 18 of described on-load switch medi-spring operating mechanism and throws off assembly, and chassis car drive disk assembly 4 and junction panel 5 on the described chassis car 1.
Described disengagement assembly is used to make described clutch 11 to throw off can not rotate and then make the energy storage again of described energy storage axle 3 again.Shown in Fig. 3-6, described disengagement assembly comprises inboard clutch connecting lever 6 and outside clutch connecting lever 7, and described inboard clutch connecting lever 6 is two identical parts of structure with described outside clutch connecting lever 7.Described inboard clutch connecting lever 6 and described outside clutch connecting lever 7 all have an end to be sleeved on described clutch 11 outsides, and are stuck between the side plate 12 at described clutch 11 two ends; The other end of described inboard clutch connecting lever 6 and described junction panel 5 are fixed and can be rotated around described energy storage axle 3 under the drive of described junction panel 5; Mesh between the described end of described inboard clutch connecting lever 6 and described outside clutch connecting lever 7, the described field of conjugate action comprises that some on described inboard clutch connecting lever 6 and the described outside clutch connecting lever 7 face 14 and be positioned at the described inclined-plane 13 of facing 14 both sides directly directly, and described 14 the bearing of trend faced directly is vertical with the bearing of trend of described energy storage axle 3; When described inclined-plane 13 is stressed, described inboard clutch connecting lever 6 and described outside clutch connecting lever 7 slide relative away from, and then outwards promoting the described side plate 12 at described clutch 11 two ends, the described side plate 12 that makes two ends shakes the energy storage again of described energy storage axle 3 this moment relatively away from disengagement; Face 14 directly when being adjacent to relatively when described, described inboard clutch connecting lever 6 and described outside clutch connecting lever 7 are relative can operate as normal near, described clutch 11, shakes described energy storage axle 3 and can carry out energy storage.
Described chassis car drive disk assembly 4 and 2 interlocks of described chassis car Control Shaft are used to transmit described test/service position anti-misoperation control action, and are used to transmit described centre position anti-misoperation control action.
Described junction panel 5 and 4 interlocks of described chassis car drive disk assembly, described junction panel 5 can be under the controls of described chassis car Control Shaft 2, serve as that axle rotates up and down with a side of described junction panel 5.When described handcart was in test position and service position, described junction panel 5 was a full state for normality, and when described handcart mediates, and described junction panel 5 will serve as to lift on axially with the one side.
Described operating mechanism drive disk assembly is connected with described energy storage axle 3, transmits the described test/service position anti-misoperation control action of described energy storage axle 3, and transmits the described test/service position energy storage combined floodgate control action of described energy storage axle 3.
Described transmission main shaft 9, when described energy storage axle 3 continuous energy storage to described on-load switch closed a floodgate, described transmission main shaft 9 laterally rotated an angle under the drive of described operating mechanism drive disk assembly.
Described connecting plate 10, its upper end and described transmission main shaft 9 hinged interlocks, the lower end is suitable for pushing down described junction panel 5, and described junction panel 5 is pushed down by the interlock of described connecting rod 16, described push rod 17, described pressing plate 18 in described in the present embodiment 10 the lower end of winning in succession.Described transmission main shaft 9 laterally rotates an angle and then drives that described connecting plate 10 is descending pushes down described junction panel 5, and described junction panel 5 is pushed down and can not upwards be lifted, and promptly described chassis car Control Shaft 2 can not rotate, and described chassis car 1 can not move.The lower end of described connecting plate 10 is also hinged with the other end of described outside clutch connecting lever 7, and described outside clutch connecting lever 7 can rotate around described energy storage axle 3 under the drive of described connecting plate 10.
The lower end of the upper end of described connecting rod 16 and described connecting plate 10 is hinged, and the upper end of the lower end of described connecting rod 16 and described push rod 17 is hinged, and described push rod 17 can vertically move under the drive of described connecting plate 10; One side of described pressing plate 18 is hinged on the bent plate 19 of described spring operating mechanism bottom, and can be that rotate in perpendicular in the axle center with the jointed shaft, the upper surface of described pressing plate 18 opposite sides is suitable for being pushed down by the lower end of described push rod 17, and lower surface is suitable for pushing down described junction panel 5.In the present embodiment, the lower surface of described pressing plate 18 is pushed down described junction panel 5 by pushing down chassis lock plate pin 20.
Fixedly connected with described junction panel 5 in the lower end of described transmission bent plate 15, the other end of upper end and described inboard clutch connecting lever 6 is hinged, and it is up, descending that the rotating up and down of described junction panel 5 (promptly lift, fall) can drive described transmission bent plate 15; Described junction panel 5 drives described inboard clutch connecting lever 6 by described transmission bent plate 15 and rotates around described energy storage axle 3.
The concrete method of work of the described anti-misoperation mechanism that the utility model provides, details are as follows:
1, at first, described handcart is in test position, and described on-load switch is a gate-dividing state, shown in Fig. 7-8;
2, shown in Fig. 9-11, rotate described chassis car Control Shaft 2, so that described handcart is pushed high-tension switch cabinet, this moment, described handcart mediated, described junction panel 5 is delivered under the control of described chassis car Control Shaft 2 by the action of described chassis car drive disk assembly 4, with a side of described junction panel 5 serves as to lift on axially, and then it is up to drive described transmission bent plate 15, described transmission bent plate 15 drives described inboard clutch connecting lever 6 and upwards rotates around described energy storage axle 3, the described inclined-plane 13 of the field of conjugate action is stressed described in the described disengagement assembly, described inboard clutch connecting lever 6 and described outside clutch connecting lever 7 slide relative away from, and then outwards promote the described side plate 12 at described clutch 11 two ends, make the described side plate 12 in two ends relatively away from disengagement, described energy storage axle 3 can not rotate energy storage again, and described on-load switch can not close a floodgate;
3, shown in Figure 12-13, when described handcart is pushed into high-tension switch cabinet and is in the service position, rotate described energy storage axle 3 and carry out the energy storage closing operation, close a floodgate until described on-load switch, when described on-load switch closes a floodgate, described energy storage axle 3 drives described transmission main shaft 9 by described operating mechanism drive disk assembly and laterally rotates an angle, it is descending that the rotation of described transmission main shaft 9 drives described connecting plate 10, and then drive described connecting rod 16, described push rod 17 is descending, described pressing plate 18 is pushed down in the lower end of described push rod 17, described pressing plate 18 and then push down described junction panel 5, described junction panel 5 is pushed down and can not upwards be lifted, that is to say that described chassis car Control Shaft 2 can not rotate at this moment, described chassis car 1 can not be pulled out from high-tension switch cabinet;
4, simultaneously, because it is descending that the rotation of described transmission main shaft 9 drives described connecting plate 10, described outside clutch connecting lever 7 rotates around described energy storage axle 3 under the drive of described connecting plate 10, when the described inclined-plane 13 of the field of conjugate action described in the described disengagement assembly is stressed, described inboard clutch connecting lever 6 and described outside clutch connecting lever 7 slide relative away from, and then outwards promote the described side plate 12 at described clutch 11 two ends, make the described side plate 12 in two ends relatively away from disengagement, described energy storage axle 3 can not rotate energy storage again, to avoid overbump.
Annotate: if described handcart is in test position, described on-load switch is a "on" position, for another example shown in Figure 12-13, mechanism's operational mode is as described in the above-mentioned step 3, at this moment described chassis car Control Shaft 2 can not rotate, described chassis car 1 can not be pushed into high-tension switch cabinet, thereby prevents misoperation, guarantees safety.
Obviously, the foregoing description only is for example clearly is described, and is not the qualification to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all execution modes.And conspicuous variation of being extended out thus or change still are among the protection range of the utility model creation.
Claims (4)
1. an energy storage anti-misoperation mechanism is arranged on the handcart, it is characterized in that: comprise
First triggers locking device, is arranged on the on-load switch of described handcart, is used for producing test/service position energy storage combined floodgate control action, comprises energy storage axle (3), described energy storage axle (3) energy storage under the rotating drive of clutch (11);
The transmitting control device is arranged on the described handcart, is used for transmitting and realizing described test/service position energy storage combined floodgate control action, comprise described clutch (11) is thrown off can not rotate again, described energy storage axle (3) the disengagement assembly of energy storage again.
2. anti-misoperation according to claim 1 mechanism, it is characterized in that: described disengagement assembly comprises inboard clutch connecting lever (6) and outside clutch connecting lever (7), described inboard clutch connecting lever (6) and described outside clutch connecting lever (7) all have an end to be sleeved on described clutch (11) outside of described spring operating mechanism, and are stuck between the side plate (12) at described clutch (11) two ends; Mesh between the described end of described inboard clutch connecting lever (6) and described outside clutch connecting lever (7), the described field of conjugate action comprise on described inboard clutch connecting lever (6) and the described outside clutch connecting lever (7) some facing directly (14) and on the inclined-plane (13) of described facing directly (14) both sides, the bearing of trend of described facing directly (14) is vertical with the bearing of trend of described energy storage axle (3); When described inclined-plane (13) are stressed, described inboard clutch connecting lever (6) and described outside clutch connecting lever (7) slide relative away from, and then the described side plate (12) that makes described clutch (11) two ends is relatively away from disengagement; When described facing directly (14) when being adjacent to relatively, described inboard clutch connecting lever (6) relative with described outside clutch connecting lever (7) near.
3. anti-misoperation according to claim 2 mechanism, it is characterized in that: described transmitting control device also comprises operating mechanism drive disk assembly, transmission main shaft (9) and connecting plate (10);
Described operating mechanism drive disk assembly is connected with described energy storage axle (3), and transmits the described test/service position energy storage combined floodgate control action of described energy storage axle (3);
Described transmission main shaft (9), when the continuous energy storage of described energy storage axle (3) was closed a floodgate to described on-load switch, described transmission main shaft (9) laterally rotated an angle under the drive of described operating mechanism drive disk assembly;
Described connecting plate (10), its upper end and the hinged interlock of described transmission main shaft (9), the other end of lower end and described outside clutch connecting lever (7) is hinged, and described outside clutch connecting lever (7) can rotate around described energy storage axle (3) under the drive of described connecting plate (10).
4. anti-misoperation according to claim 3 mechanism, it is characterized in that: described chassis car Control Shaft (2) is suitable for inserting chassis driver's handle, and described energy storage axle (3) is suitable for inserting energy storage handle (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206718802U CN201927504U (en) | 2010-12-21 | 2010-12-21 | Energy storage misoperation prevention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206718802U CN201927504U (en) | 2010-12-21 | 2010-12-21 | Energy storage misoperation prevention mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201927504U true CN201927504U (en) | 2011-08-10 |
Family
ID=44431341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206718802U Expired - Lifetime CN201927504U (en) | 2010-12-21 | 2010-12-21 | Energy storage misoperation prevention mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201927504U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489443A (en) * | 2016-01-08 | 2016-04-13 | 浙江临高电气实业有限公司 | High-voltage vacuum circuit breaker interlocking structure |
-
2010
- 2010-12-21 CN CN2010206718802U patent/CN201927504U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489443A (en) * | 2016-01-08 | 2016-04-13 | 浙江临高电气实业有限公司 | High-voltage vacuum circuit breaker interlocking structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108172425B (en) | Intelligent circuit breaker modularization operating mechanism | |
| CN104025230B (en) | Mechanical Interlock Device Among Cable Door, Rear Door And Earthing Switch | |
| CN107068503A (en) | A kind of automatic division brake control device and its a kind of breaker | |
| CN102800505A (en) | Electric operation mechanism of switch | |
| CN208045342U (en) | A kind of intelligent circuit breaker modularization operating mechanism | |
| CN2932595Y (en) | An operating device for double power switching | |
| CN201927504U (en) | Energy storage misoperation prevention mechanism | |
| CN201038092Y (en) | Onload switch-fuse combined electric appliance operation mechanism | |
| CN201629245U (en) | Double-load switch interlocking device | |
| CN201829852U (en) | Drawer propulsion interlocking mechanism | |
| CN201910592U (en) | Misoperation-proof mechanism | |
| CN201946902U (en) | Anti-misoperation mechanism for handcart in middle position | |
| CN110112671A (en) | A kind of plug-in distribution box multifunctional combination latch mechanism | |
| CN201315419Y (en) | Net door interlocking device for transformer room | |
| CN207719089U (en) | High-voltage switch gear anti-mistaken interlocking device linkage axis mechanism | |
| CN103050305B (en) | Interlocking device of change-over switch | |
| CN206726977U (en) | A kind of operation device of double power supply automatic transfer switch | |
| CN203165731U (en) | Load switch operating mechanism | |
| CN201345303Y (en) | Energy storing structure of breaker spring operating mechanism | |
| CN207134705U (en) | A kind of interlocking mechanism of GFC handcarts worm gear Yao Jin mechanisms | |
| CN101770876B (en) | Energy storing structure of circuit-breaker spring operating mechanism | |
| CN202268269U (en) | Operation mechanism for mechanical interlocking of switch equipment | |
| CN207166010U (en) | The interlock of switch cabinet drawer and switch | |
| CN209860465U (en) | Multifunctional interlocking mechanism of plug-in distribution box | |
| CN207611714U (en) | Anti-mistaken interlocking device used for high-voltage switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110810 |
|
| CX01 | Expiry of patent term |