CN204905101U - Prevent mistake unlocking device - Google Patents
Prevent mistake unlocking device Download PDFInfo
- Publication number
- CN204905101U CN204905101U CN201520714140.5U CN201520714140U CN204905101U CN 204905101 U CN204905101 U CN 204905101U CN 201520714140 U CN201520714140 U CN 201520714140U CN 204905101 U CN204905101 U CN 204905101U
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- China
- Prior art keywords
- error
- lockweight
- trip lever
- unlocking prevention
- locking
- Prior art date
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- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 230000002265 prevention Effects 0.000 claims description 33
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 239000004576 sand Substances 0.000 abstract 1
- 108090000565 Capsid Proteins Proteins 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Abstract
The utility model discloses a prevent mistake unlocking device, including locking lever, shutting round pin, be equipped with the locking groove on the locking lever, the first end of shutting round pin is equipped with the locking head, the second end of shutting round pin is connected with the spring, when being in blocking state, and under the spring action, lock first block and still include the trip lever, change the piece in locking inslot, this prevent mistake unlocking device, the first end and the commentaries on classics piece of trip lever are connected, the second of trip lever end is equipped with and prevents mistake full unlock keys complex sand grip, and the trip lever changes the piece and rotates along with preventing that mistake full unlock keys pivoted drives simultaneously, changes the piece and drives the shutting round pin and slide and make the locking head deviate from from the locking groove. The utility model discloses the tool to lock is obscured and the operation safety of the equipment that influences after avoiding on -the -spot misunderstanding lock or unblock, the safe operation of important equipment in the protection electric power system.
Description
Technical field
The utility model relates to the locking device of the equipment such as transformer station, power plant, particularly relates to a kind ofly being applied in the device possessing reliable locking in the occasion such as transformer station, power plant.
Background technology
Power industry equipment is numerous, if careless manipulation or misoperation, the lighter's damage equipment, severe one causes personal safety, therefore, this kind equipment adopts usually the lockset with anti mis-closedown function carry out locking.And normal conditions adopt easy padlock mode to carry out locking, for the simple equipment of function, this kind of closedown mode can ensure the fail safe of equipment, and for important equipment, as high-voltage switch gear circuit breaker disconnecting link cashier's office in a shop, if lockset opens by mistake, then may be related to the safe operation of the main equipments such as main transformer, therefore, the locking of this kind equipment is even more important, and the conventional anti-misoperation mode used is padlock near such equipment operating handle, need need first open this padlock during operation, in actual moving process, open by mistake owing to there is lockset, unlock the problems such as rear lockset position misplaces, the reliability service of equipment can not be ensured completely, have impact on safe operation and the personal safety of substation equipment.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of error-unlocking prevention device, avoids occurring that lockset opens by mistake, unlocks the problem that rear lockset position misplaces.
For solving the problems of the technologies described above, the utility model adopts following technical scheme: a kind of error-unlocking prevention device, comprise locking bar, lockweight, described locking bar is provided with lock slots, the first end of described lockweight is provided with elongated insertion part, second end of described lockweight is connected with spring, when being in blocking, under the action of the spring, described elongated insertion part is sticked in lock slots, this error-unlocking prevention device also comprises trip lever, switch block, the first end of described trip lever is connected with switch block, second end of described trip lever is provided with the raised line coordinated with error-unlocking prevention key, trip lever rotates with driving switch block while error-unlocking prevention key turns, switch block drives lockweight slip that elongated insertion part is deviate from from lock slots.
Preferably, the first end of described trip lever is provided with waist type cross-section, and the first end of described switch block is provided with waist typed through hole, and described waist type cross-section is inserted in waist typed through hole.
Preferably, described switch block is provided with square projection, and the side of described lockweight is provided with the second gap slot, and described square projection acts in the second gap slot and drives lockweight to slide.
Preferably, this error-unlocking prevention device is also provided with identity code, and error-unlocking prevention key reads identity code.
Preferably, described lockweight is provided with strip through-hole, and through guiding screw pole in described strip through-hole, described guiding screw pole guides lockweight to slide.
Error-unlocking prevention device of the present utility model and lockset are structure as a whole; insert error-unlocking prevention key; error-unlocking prevention key reads identity code; trip lever can be rotated in correct judgment rear; because this increasing one deck protection; avoid on-the-spot misunderstanding lock or unlock rear lockset obscuring and affecting the security of operation of equipment, the safe operation of visual plant in protection electric power system.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is the front schematic view of network synthesis anti-misoperation locking device of the present invention;
Fig. 2 is the schematic rear view of network synthesis anti-misoperation locking device of the present invention;
Fig. 3 is locking bar structure intention in the present invention;
Fig. 4 is lockweight organigram in the present invention;
Fig. 5 is trip lever organigram in the present invention;
Fig. 6 is transfer block organigram of the present invention;
Fig. 7 is front of the present invention part position schematic diagram;
Fig. 8 is the back side of the present invention part position schematic diagram;
Fig. 9 be the present invention with latch switch cabinet operating handle coordinate schematic diagram;
Figure 10 is the present invention's inner body structural representation in the unlocked state;
Above in each figure, 1-housing; 2-locking bar; 3-identity code; 4-trip lever; 5-switch block; 6-lockweight; 7-solenoid; 8-control circuit; 8a-power interface; 8b-network interface; 8c-micro-control unit (MCU); 9-spring; 11-procapsid front; 12-L shape is protruding; 13-error-unlocking prevention mechanism; 13a-squared counter bore; 13b-keyhole; 14-manhole; 15-screw; 16-mounting plane; 17-blind hole; 18-strip groove; 19-guiding screw pole; 21-cylindrical portion; 22-flange; 23-pin; 24-lock slots; 41-waist type cross-section; 42-raised line; 51-waist typed through hole; The square projection of 52-; 61-circular hole; 62-second gap slot; 63-strip through-hole; 64-elongated insertion part; 65-first gap slot; 100-switch cubicle operating handle.
Embodiment
And the present invention is described in detail in conjunction with specific embodiments below with reference to the accompanying drawings.
The invention provides a kind of network synthesis anti-misoperation locking device, as shown in Figure 1 and Figure 7, comprise housing 1, housing 1 is square structure, and housing 1 is made up of procapsid and back casing, and as shown in Figure 2, procapsid and back casing are fixed as one by screw 15.Procapsid front 11 is provided with protruding 12 end faces of L shape projection 12, L shape a unlocking prevention mechanism 13 coordinated with error-unlocking prevention key, and error-unlocking prevention mechanism 13 comprises a squared counter bore 13a, a circular keyhole 13b; Squared counter bore 13a is for installing identity code 3, trip lever 4 is provided with in keyhole 13b, error-unlocking prevention key inserts keyhole 13b and coordinates with trip lever 4, and error-unlocking prevention key reads identity code 3, drives trip lever 4 to rotate while error-unlocking prevention key turns.The top-side of L shape projection 12 has a manhole 14, and manhole 14 is for passing through locking bar 2.
As shown in Figure 2, protruding 12 positions of corresponding L shape, the procapsid back side are provided with a mounting plane 16, this mounting plane 16 has two guiding screw poles 19 and 4 blind holes 17, be provided with strip groove 18 above mounting plane 16, strip groove 18 correspondence is arranged on manhole 14 radial sidewalls.
As shown in Figure 3, locking bar 2 is a notch cuttype cylinder on the whole, comprises cylindrical portion 21, and the end of locking bar 2 is provided with the flange 22 around whole circumferential projection.Cylindrical portion 21 centre position has a generally u-shaped lock slots 24.The cylindrical portion 21 of locking bar is provided with a pin 23 in lock slots 24 side, and described pin 23 is vertical with locking bar 2, and locking bar 2 periphery is protruded at described pin 23 two ends, and pin 23 two ends coordinate with the strip groove 18 of case inside, guides locking bar 2 to slide axially.
As shown in Figure 4, lockweight 6 is rectangular configuration, lockweight 6 first end is provided with elongated insertion part 64, lockweight 6 second end is provided with circular hole 61, one of them side of lockweight 6 second end is provided with the first gap slot 65, another side have the second gap slot 62, first gap slot 65 and the second gap slot 62 all rectangular, is provided with strip through-hole 63 in the middle of lockweight 6.As shown in Figure 8, elongated insertion part 64 coordinates with lock slots 24, and circular hole 61 is connected with spring 9, and guiding screw pole 19 is through strip through-hole 63.
As shown in Figure 5, trip lever 4 first end is provided with waist type cross-section 41, and trip lever 4 second end is provided with raised line 42, and this raised line 42 coordinates with error-unlocking prevention draw-in groove on the key, makes error-unlocking prevention key that trip lever 4 can be driven to rotate.
As shown in Figure 6, switch block 5 is roughly T-shaped, and its first end is provided with a waist typed through hole 51, and this waist typed through hole coordinates with the waist type cross-section 41 of trip lever 4, makes trip lever 4 that switch block 5 can be driven to rotate together; Switch block 5 in addition one end is provided with one square protruding 52, can insert in the second gap slot 62 of lockweight 6, while switch block 5 rotates, can by square protruding 52 and second effect of gap slot 62, and drive lockweight 6 slides.
Each above-mentioned parts fit together, as shown in Figure 7 and Figure 8, for each parts mount position schematic diagram of the present invention, locking bar 2 is through the manhole 14 on housing 1, front and back end is exposed outside housing 1, and identity code 3 is arranged in squared counter bore 13a, and trip lever 4 is arranged in keyhole 13b, its end waist type cross-section 41 gos deep into the cavity postmedian of housing 1, and inserts in the waist typed through hole 51 of switch block 5; Lockweight 6 is arranged on the mounting plane 16 of housing 1 inside, strip through-hole 63 on lockweight 6 can move up and down through after guiding screw pole 19, in the circular hole 61 of lockweight 6 second end, spring 9 is installed, the elongated insertion part 64 of lockweight 6 first end inserts in the lock slots 24 of locking bar 2, square protruding 52 of switch block 5 second end inserts in the second gap slot 62 of lockweight side, and the iron core of solenoid 7 inserts in the first gap slot 65 on lockweight 6 another one side.It is inner that control circuit 8 is arranged on housing 1, be positioned at mounting plane side, control circuit 8 is provided with power interface 8a, network interface 8b, micro-control unit 8c, solenoid 7 is connected with control circuit 8, power interface 8a switches on power, network interface 8b connected network, micro-control unit 8c, by network reception order, controls solenoid 7.
The present invention is by network lock up mode, and in conjunction with the anti-false judgment of on-the-spot error-unlocking prevention key, realize the dual locking management of equipment, its specific works principle is as follows:
As shown in Figure 8 and Figure 9, under equipment is in blocking, the endoporus of locking bar 2 update handle 100, operating handle 100 cannot rotate.Now, the elongated insertion part 64 of lockweight 6 inserts in the lock slots 24 of locking bar 2, stop the movement of locking bar 2, simultaneously, the iron core of solenoid 7 inserts in the first gap slot 65 of lockweight 6, on switch block 5 square protruding 52 inserts in the second gap slot 62 of lockweight 6, stops the movement of lockweight 6, thus realizes the locking to equipment operating handle 100.
As shown in Figure 10, when needs operate operating handle, remote unlocking mechanism connects remote control terminal by network, associated current signal, under remote control terminal confirms console switch no current situation, unlock command is issued, remote control terminal lock-out scheme by remote control terminal, as shown in table 1 below:
Table 1
| Operating equipment | Loop current > 10A |
| Switching circuit plug-in strip | 0 |
| Switching on/off handcart | 0 |
Unlock command is delivered on control circuit 8 by network interface 8b, after micro-control unit 8c identifies, connect the power supply of solenoid 7, the iron core energising of solenoid 7 is shunk, throw off from the first gap slot 65 of lockweight 6, after now inserting error-unlocking prevention key, error-unlocking prevention key reads identity code 3, trip lever 4 can be rotated after correct judgment, trip lever 4 drives switch block 5 to rotate, switch block 5 drives lockweight 6 to move down, until the elongated insertion part 64 on lockweight 6 is thrown off with the lock slots 24 of locking bar 2, with the flange 22 pulling locking bar 2, locking bar 2 is thrown off in operating handle 100, operating handle 100 can rotating operation.
After operation completes, with the flange 22 of the tail end of hand propelled locking bar 2, locking bar 2 moves to operating handle 100 direction and operating handle 100 is lived in locking, the elastic force promotion lockweight 6 of spring 9 moves simultaneously, when the lock slots 24 of locking bar 2 aligns with the elongated insertion part 64 of lockweight 6, elongated insertion part 64 inserts in the lock slots 24 of locking bar 2, stop the movement of locking bar 2, iron core simultaneously on solenoid 7 is inserted in the first gap slot 65 of lockweight 6 under its own resilient, stop the movement of lockweight 6, device locking completes.
Claims (5)
1. an error-unlocking prevention device, comprise locking bar, lockweight, described locking bar is provided with lock slots, the first end of described lockweight is provided with elongated insertion part, second end of described lockweight is connected with spring, when being in blocking, under the action of the spring, described elongated insertion part is sticked in lock slots, it is characterized in that: this error-unlocking prevention device also comprises trip lever, switch block, the first end of described trip lever is connected with switch block, second end of described trip lever is provided with the raised line coordinated with error-unlocking prevention key, trip lever rotates with driving switch block while error-unlocking prevention key turns, switch block drives lockweight slip that elongated insertion part is deviate from from lock slots.
2. a kind of error-unlocking prevention device according to claim 1, is characterized in that: the first end of described trip lever is provided with waist type cross-section, and the first end of described switch block is provided with waist typed through hole, and described waist type cross-section is inserted in waist typed through hole.
3. a kind of error-unlocking prevention device according to claim 1, is characterized in that: described switch block is provided with square projection, and the side of described lockweight is provided with the second gap slot, and described square projection acts in the second gap slot and drives lockweight to slide.
4. a kind of error-unlocking prevention device according to claim 1, is characterized in that: this error-unlocking prevention device is also provided with identity code, and error-unlocking prevention key reads identity code.
5. a kind of error-unlocking prevention device according to Claims 1-4 any one, is characterized in that: described lockweight is provided with strip through-hole, and through guiding screw pole in described strip through-hole, described guiding screw pole guides lockweight to slide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714140.5U CN204905101U (en) | 2015-09-16 | 2015-09-16 | Prevent mistake unlocking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520714140.5U CN204905101U (en) | 2015-09-16 | 2015-09-16 | Prevent mistake unlocking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204905101U true CN204905101U (en) | 2015-12-23 |
Family
ID=54927260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520714140.5U Active CN204905101U (en) | 2015-09-16 | 2015-09-16 | Prevent mistake unlocking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204905101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425408A (en) * | 2019-08-12 | 2019-11-08 | 国家电网有限公司 | The high anti-error starting safety interlocking mechanism of oil pressure jacking system |
-
2015
- 2015-09-16 CN CN201520714140.5U patent/CN204905101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425408A (en) * | 2019-08-12 | 2019-11-08 | 国家电网有限公司 | The high anti-error starting safety interlocking mechanism of oil pressure jacking system |
| CN110425408B (en) * | 2019-08-12 | 2020-11-10 | 国家电网有限公司 | False start prevention safety locking mechanism of high oil pressure jacking device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |