CN112863913A - Unlocking method of anti-misoperation locking device and anti-misoperation locking device - Google Patents

Abstract

The invention provides an unlocking method of an anti-misoperation locking device and the anti-misoperation locking device. The anti-misoperation locking device comprises a mooring key, a locking pin, a mooring rotating shaft assembly and an unlocking rotating shaft assembly, and the unlocking method comprises the following steps: when the anti-misoperation locking device is unlocked, the unlocking key drives the unlocking rotating shaft component to unlock the locking pin, the unlocking rotating shaft component locks the unlocking key, when the locking pin moves to the unlocking position, the locking pin unlocks the relative movement between the first to-be-locked piece and the second to-be-locked piece, and the mooring rotating shaft component locks the locking pin and unlocks the mooring key; when the anti-misoperation locking device is locked, the mooring key drives the mooring rotating shaft component to unlock the locking pin, the mooring rotating shaft component locks the mooring key, when the locking pin moves to a locking position, the locking pin locks relative movement between the first to-be-locked piece and the second to-be-locked piece, and the unlocking rotating shaft component locks the locking pin and unlocks the unlocking key. The invention solves the problem of great potential safety hazard in the operation of the isolation switch in the prior art.

Description

Unlocking method of anti-misoperation locking device and anti-misoperation locking device

Technical Field

The invention relates to the technical field of locks, in particular to an unlocking method of an anti-misoperation locking device and the anti-misoperation locking device.

Background

The current operating device who keeps apart the switch all has the installation in places such as track traffic's vehicle section, parking area, is used for the maintainer to carry out before testing electric ground connection, operates isolation switch mechanism, will keep apart the switch and carry out the separating brake, then carries out subsequent electricity of testing and ground connection work again. Currently, the most common isolation switch operating mechanism in the vehicle section is installed in a mechanism box, and the operating modes of the isolation switch operating mechanism are as follows:

one is to install an isolation padlock on the front door, to lock and manage the isolation knife switch operating mechanism in the mechanism box, through invoicing, the maintainer obtains the unlocking authority, the computer key reads the code value of the isolation padlock correctly, and the isolation padlock is unlocked. At the moment, the front door of the mechanism box can be opened, and the mechanism in the mechanism box is operated by shaking by a hand tool to separate the isolation disconnecting link. After the brake is separated, the front door is closed, and is locked by a padlock, so that the next electricity testing and grounding work can be carried out;

the other is that a crank hole is arranged on the side surface of the mechanism box, and the crank hole is locked and shielded by using a padlock. After the maintainer obtains the unlocking authority, the padlock is unlocked, and the crank passes through the crank hole, so that the brake opening operation can be carried out. And after the opening is finished, the padlock is locked back, and the next electricity testing and grounding operation is carried out.

However, the two forms have great potential safety hazards. After the maintenance personnel finish the switching-off operation, whether the isolation switch mechanism box front door is closed and locked or whether the mechanism box side crank hole is locked depends on the careful degree of the maintenance personnel work and the patrol inspection strength of the worker shift. Once the maintainer consciousness is neglected, the workmanship is not in place to patrol, and after the isolation disconnecting link is disconnected, the padlock of the front door of the mechanism box does not lock the front door or the side crank hole is not locked, but is randomly placed at other positions, so that the mechanism box is not locked or the side crank hole is opened after the isolation disconnecting link is disconnected. Under this condition, in case the maintainer is when carrying out subsequent operation, other people mistake open the qianmen of mechanism case or stretch into the side crank downthehole with the crank, operate isolation switch mechanism to close isolation switch, will take place serious incident.

Disclosure of Invention

The invention mainly aims to provide an unlocking method of an anti-misoperation locking device and the anti-misoperation locking device, and aims to solve the problem that the isolation switch in the prior art has larger potential safety hazard.

In order to achieve the above object, according to one aspect of the present invention, there is provided an unlocking method of a mis-locking prevention device, the mis-locking prevention device mounted on a first to-be-locked piece including a captive key, a locking pin, a captive spindle assembly, and an unlocking spindle assembly, the unlocking method including: when the anti-misoperation locking device is unlocked, the unlocking key drives the unlocking rotating shaft component to unlock the locking pin, the locking pin can move to the unlocking position of the second to-be-locked piece, the unlocking rotating shaft component locks the unlocking key, when the locking pin moves to the unlocking position, the locking pin unlocks the relative movement between the first to-be-locked piece and the second to-be-locked piece, and the mooring rotating shaft component locks the locking pin and unlocks the mooring key; when the anti-misoperation locking device is locked, the mooring key drives the mooring rotating shaft component to unlock the locking pin, the locking pin can move towards a locking position extending into the second to-be-locked piece, the mooring rotating shaft component locks the mooring key, when the locking pin moves to the locking position, the locking pin locks relative movement between the first to-be-locked piece and the second to-be-locked piece, and the unlocking rotating shaft component locks the locking pin and unlocks the unlocking key.

Further, when the anti-misoperation locking device is unlocked, the unlocking rotating shaft component is driven by the unlocking key to exit the second groove of the locking pin, the locking pin can move to the unlocking position, and when the locking pin moves to the unlocking position, the mooring rotating shaft component extends into the first groove of the locking pin and locks the locking pin at the unlocking position.

Further, when the anti-misoperation locking device is locked, the mooring rotating shaft component is driven by the mooring key to exit from the first groove of the locking pin, the locking pin can move to a locking position, and when the locking pin moves to the locking position, the unlocking rotating shaft component extends into the second groove of the locking pin and locks the locking pin at the locking position.

Furthermore, when the locking pin is unlocked by the mooring key or the unlocking key, the limiting pin of the mooring rotating shaft component or the unlocking rotating shaft component enters the second sliding groove through the first sliding groove of the mooring key or the unlocking key and is locked with the side wall stop of the second sliding groove.

Furthermore, when the mooring rotating shaft assembly or the unlocking rotating shaft assembly unlocks the mooring key or the unlocking key, the mooring rotating shaft assembly or the unlocking rotating shaft assembly moves reversely to stretch into the locking pin, the limiting pin of the mooring rotating shaft assembly or the unlocking rotating shaft assembly exits from the second sliding groove of the mooring key or the unlocking key and enters the first sliding groove, and the limiting pin can exit from the mooring key or the unlocking key along the first sliding groove.

Further, the anti-misoperation locking device further comprises a code sheet with double code values and a magnet which moves synchronously with the locking pin, the locking unlocking method further comprises the step that the code value of the code sheet changes according to the position of the sensed magnet, when the anti-misoperation locking device is locked, the code value of the code sheet is a first code value, when the anti-misoperation locking device is unlocked, the code value of the code sheet is a second code value, and the unlocking key can read the code value of the code sheet and send the code value to the control terminal.

Furthermore, the anti-misoperation locking device further comprises a chain for connecting the mooring key and the second to-be-locked piece, and the unlocking method further comprises the step that when the mooring key is locked by the mooring rotating shaft assembly, the chain blocks the relative movement between the first to-be-locked piece and the second to-be-locked piece.

According to another aspect of the present invention, there is provided an anti-mislocking apparatus including: mooring the key; a lock body; the locking pin penetrates through the lock body and is provided with a locking position extending out of the lock body and an unlocking position retracting into the lock body, and the locking pin is provided with a first groove and a second groove; the mooring rotating shaft assembly can be matched with a mooring key and moves under the driving of the mooring key, when the anti-misoperation locking device is unlocked, the mooring rotating shaft assembly is aligned with the first groove and extends into the first groove, the mooring rotating shaft assembly unlocks the mooring key, the mooring key can be taken down, when the anti-misoperation locking device is locked, the mooring key drives the mooring rotating shaft assembly to move, the mooring rotating shaft assembly exits the first groove and is staggered with the first groove, and the mooring rotating shaft assembly locks the mooring key on the lock body; the unlocking rotating shaft assembly can be matched with an unlocking key and moves under the driving of the unlocking key, when the anti-misoperation locking device is locked, the unlocking rotating shaft assembly is aligned with the second groove and stretches into the second groove, the unlocking rotating shaft assembly unlocks the unlocking key, the unlocking key can be taken down, when the anti-misoperation locking device is unlocked, the unlocking key drives the unlocking rotating shaft assembly to move, the unlocking rotating shaft assembly exits from the second groove and is staggered with the second groove, and the unlocking rotating shaft assembly locks the unlocking key on the lock body.

Furthermore, the mooring rotating shaft assembly and/or the unlocking rotating shaft assembly comprise a limiting pin, the limiting pin is fixedly connected with the lock body, the mooring key and/or the unlocking key are provided with a first sliding groove and a second sliding groove which are communicated with each other, the first sliding groove is formed along the axial direction of the mooring key or the unlocking key and is communicated with the outside, the second sliding groove is formed along the circumferential direction of the mooring key or the unlocking key, when the mooring key or the unlocking key is inserted into the lock body, the limiting pin extends into the first sliding groove, and when the mooring key or the unlocking key rotates, the limiting pin extends into the second sliding groove and is abutted against the side wall of the second sliding groove to lock the mooring key or the unlocking key.

Further, the mooring pivot assembly and/or the unlocking pivot assembly comprises: the rotating shaft is rotatably arranged and provided with a driving end in driving fit with the mooring key or the unlocking key, and the rotating shaft is also provided with an eccentrically arranged extrusion end; the driving shaft is arranged in a sliding mode and provided with a groove for the extrusion end to extend into, when the rotating shaft is driven to rotate by the captive key or the unlocking key, the extrusion end extrudes the side wall of the groove and drives the driving shaft to slide, and the driving shaft exits from the first groove or the second groove; and a first elastic member abutting against the driving shaft and providing an elastic force to the driving shaft to move in a direction approaching the latching pin.

Further, along the movement trajectory line of the latching pin, the distance between the first groove and the second groove is greater than the distance between the mooring pivot assembly and the unlatching pivot assembly.

Further, the anti-misoperation locking device also comprises a second elastic piece, wherein the second elastic piece is abutted with the locking pin and provides elastic force for the locking pin to move to the unlocking position.

Further, the anti-misoperation locking device also comprises a chain, and the chain is connected with the captive key and the part of the locked object, which is not provided with the lock body.

Further, the anti-misoperation locking device further comprises: the magnet is connected with the locking pin and moves synchronously with the locking pin; a code chip capable of sensing the position of the magnet and changing the code value according to the position of the magnet.

Furthermore, the anti-misoperation locking device also comprises a mounting seat, the mounting seat is fixedly connected with the locking pin, and the magnet is arranged on the mounting seat.

By applying the technical scheme of the invention, the device such as the isolation switch is effectively controlled by arranging two keys of the mooring key and the unlocking key and arranging the mooring rotating shaft assembly and the unlocking rotating shaft assembly which are respectively matched with the two keys. For the isolation switch mechanism, the box door is the first part to be locked, and the box body is the second part to be locked. Specifically, when the anti-misoperation locking device is unlocked, an operator inserts an unlocking key into the anti-misoperation locking device to drive the unlocking rotating shaft component to move, the unlocking rotating shaft component unlocks the locking pin and locks the unlocking key at the same time, so that the unlocking key cannot be taken down, the unlocked locking pin can move to an unlocking position so as to withdraw the second to-be-locked piece to unlock the to-be-locked object, after the locking pin moves to the unlocking position, the mooring rotating shaft component locks the locking pin, so that the locking pin is locked at the unlocking position, and meanwhile, the mooring rotating shaft component unlocks the mooring key which can be taken down; when the anti-misoperation locking device is locked, an operator inserts a mooring key into the lock body, the mooring rotating shaft assembly is driven to move, the mooring rotating shaft assembly unlocks the locking pin, and the mooring key is locked. The arrangement mode ensures that the mooring rotating shaft component can lock one of the mooring key and the locking pin and the unlocking rotating shaft component can lock one of the unlocking key and the locking pin, so that when the box door of the isolating switch is unlocked, the unlocking key is locked on the lock body, the mooring key can be taken down from the lock body, an operator can open the box door to carry out switching on and switching off operation on the disconnecting link in the box body, after the operation is finished, the operator needs to lock again, and the operator needs to use the unlocking key to unlock the unlocking key by using the mooring key to take the unlocking key away, otherwise, the operator cannot take the unlocking key away from the lock body, thereby force the maintainer to pin the chamber door of isolation switch mechanism after accomplishing the operation to the isolation switch, avoid the potential safety hazard that the maintainer error brought, guarantee the reliable shutting of isolation switch mechanism, improve the security of using.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows an exploded view of the anti-mislatching apparatus of the present invention;

FIG. 2 is a schematic view of the anti-mislatching device of FIG. 1 in a latched configuration;

FIG. 3 shows a schematic view of the anti-mis-lockout device of FIG. 2 with the captive spindle assembly engaged with the captive key and the lockout pin when locked;

FIG. 4 shows a schematic view of the anti-mislatching device of FIG. 2 when latched to unlock the spindle assembly in cooperation with the latching pin;

FIG. 5 is a schematic view showing the construction of the rotary shaft of FIGS. 3 and 4;

fig. 6 shows a schematic structural view of the drive shaft of fig. 3 and 4;

FIG. 7 shows a schematic view of the anti-mislatching mechanism of FIG. 1 when unlocked;

FIG. 8 shows a schematic view of the anti-mislatching device of FIG. 7 with the captive spindle assembly engaged with the captive key and the latching pin when unlocked;

FIG. 9 shows a schematic view of the anti-mislatching mechanism of FIG. 7 with the unlocking spindle assembly engaged with the unlocking key and the locking pin when unlocked;

FIG. 10 shows a schematic view of the anti-mis-lockout device of FIG. 1 with the captive spindle assembly engaged with the captive key and the lockout pin upon re-lockout;

FIG. 11 is a schematic view of the anti-tamper locking device of FIG. 1 showing the unlocking spindle assembly engaged with the unlocking key and locking pin upon re-locking;

FIG. 12 is a schematic diagram showing the arrangement of the magnet and the code sheet when the anti-mislatching device in FIG. 1 is latched;

FIG. 13 shows a schematic view of the magnet and mount of FIG. 12;

FIG. 14 is a schematic diagram showing the structure of the magnet and the code sheet when the anti-mislocking device in FIG. 1 is unlocked;

FIG. 15 is a schematic view of the anti-mislocking device of FIG. 1 applied to an isolation switch mechanism for locking;

fig. 16 shows a schematic structural diagram of the anti-misoperation locking device in fig. 1 when the anti-misoperation locking device is applied to the isolation switch mechanism for unlocking.

Wherein the figures include the following reference numerals:

10. mooring the key; 11. a first chute; 12. a second chute; 20. a lock body; 30. a locking pin; 31. a first groove; 32. a second groove; 40. mooring the rotating shaft assembly; 41. a spacing pin; 42. a rotating shaft; 421. a driving end; 422. extruding the end; 43. a drive shaft; 431. grooving; 44. a first elastic member; 50. unlocking the rotating shaft assembly; 60. an unlocking key; 70. a second elastic member; 80. a chain; 90. a magnet; 100. code slice; 110. a mounting seat; 120. and a dust cover.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless specified to the contrary, use of the terms of orientation such as "upper, lower, top, bottom" or the like, generally refer to the orientation as shown in the drawings, or to the component itself in a vertical, perpendicular, or gravitational orientation; likewise, for ease of understanding and description, "inner and outer" refer to the inner and outer relative to the profile of the components themselves, but the above directional words are not intended to limit the invention.

In order to solve the problem of great potential safety hazard in isolation switch operation in the prior art, the invention provides an unlocking method of an anti-misoperation locking device and the anti-misoperation locking device.

The embodiment provides an unlocking method of an anti-misoperation locking device, the anti-misoperation locking device installed on a first part to be locked comprises a mooring key 10, a locking pin 30, a mooring rotating shaft assembly 40 and an unlocking rotating shaft assembly 50, and the unlocking method comprises the following steps: when the anti-misoperation locking device is unlocked, the unlocking key 60 drives the unlocking rotating shaft component 50 to unlock the locking pin 30, the locking pin 30 can move to the unlocking position of exiting the second to-be-locked piece, the unlocking rotating shaft component 50 locks the unlocking key 60, when the locking pin 30 moves to the unlocking position, the locking pin 30 unlocks the relative movement between the first to-be-locked piece and the second to-be-locked piece, and the mooring rotating shaft component 40 locks the locking pin 30 and unlocks the mooring key 10; when the anti-misoperation locking device is locked, the mooring key 10 drives the mooring rotating shaft component 40 to unlock the locking pin 30, the locking pin 30 can move to a locking position extending into the second to-be-locked piece, the mooring rotating shaft component 40 locks the mooring key 10, when the locking pin 30 moves to the locking position, the locking pin 30 locks relative movement between the first to-be-locked piece and the second to-be-locked piece, and the unlocking rotating shaft component 50 locks the locking pin 30 and unlocks the unlocking key 60.

In the embodiment, by providing two keys, namely the mooring key 10 and the unlocking key 60, and providing the mooring rotating shaft assembly 40 and the unlocking rotating shaft assembly 50 which are respectively matched with the two keys, effective control of devices such as the isolation switch and the like is realized through matching between the mooring rotating shaft assembly 40 and the unlocking rotating shaft assembly 50 and the mooring key 10, the unlocking key 60 and the locking pin 30. For the isolation switch mechanism, the box door is the first part to be locked, and the box body is the second part to be locked. Specifically, as shown in fig. 7 to 9, when the anti-misoperation locking device is unlocked, the operator inserts the unlocking key 60 into the anti-misoperation locking device to drive the unlocking rotating shaft assembly 50 to move, the unlocking rotating shaft assembly 50 unlocks the locking pin 30 and locks the unlocking key 60 at the same time, so that the unlocking key 60 cannot be taken down, the unlocked locking pin 30 can move to the unlocking position to exit the second to-be-locked piece to unlock the to-be-locked object, after the to-be-locked pin 30 moves to the unlocking position, the mooring rotating shaft assembly 40 locks the locking pin 30, so that the locking pin 30 is locked at the unlocking position, and meanwhile, the mooring rotating shaft assembly 40 unlocks the mooring key 10, and the mooring key 10 can be taken down; as shown in fig. 10 and 11 and fig. 2 to 4, when the anti-misoperation locking device is locked, an operator inserts the mooring key 10 into the lock body 20 to drive the mooring spindle assembly 40 to move, the mooring spindle assembly 40 unlocks the locking pin 30 and locks the mooring key 10, so that the mooring key 10 cannot be removed, the unlocked locking pin 30 can move to the locking position to extend into the second to-be-locked piece to lock the to-be-locked object again, after the locking pin 30 moves to the locking position, the unlocking spindle assembly 50 locks the locking pin 30 again at the locking position, and the unlocking spindle assembly 50 unlocks the unlocking key 60, so that the unlocking key 60 can be removed. The arrangement mode ensures that the mooring rotating shaft assembly 40 can lock one of the mooring key 10 and the locking pin 30 and the unlocking rotating shaft assembly 50 can lock one of the unlocking key 60 and the locking pin 30, so that after the door of the isolating switch is unlocked, the unlocking key 60 is locked on the lock body 20, the mooring key 10 can be taken down from the lock body 20, an operator can open the door to perform switching-on and switching-off operations on the switch in the box body, after the operations are completed, the operator needs to lock again, the unlocking key 60 can be taken away only by unlocking the unlocking key 60 by using the mooring key 10 if the unlocking key 60 is used, otherwise, the unlocking key 60 cannot be taken away from the lock body 20, so that the maintenance personnel is forced to lock the door of the isolating switch mechanism after the operations on the isolating switch are completed, the potential safety hazard caused by the fault of the maintenance personnel is avoided, and the reliability of the isolating switch mechanism is ensured, the use safety is improved.

In this embodiment, the engagement between the mooring pivot assembly 40 and the unlocking pivot assembly 50 with the latching pin 30 is achieved by a first groove 31 and a second groove 32 provided on the latching pin 30. Specifically, when the anti-misoperation locking device is unlocked, the unlocking rotating shaft component 50 is driven by the unlocking key 60 to exit from the second groove 32 of the locking pin 30, the locking pin 30 can move to the unlocking position, and when the locking pin 30 moves to the unlocking position, the mooring rotating shaft component 40 extends into the first groove 31 of the locking pin 30 under the action of the first elastic piece 44 of the mooring rotating shaft component and locks the locking pin 30 at the unlocking position. When the anti-misoperation locking device is locked, the mooring rotating shaft component 40 is driven by the mooring key 10 to exit from the first groove 31 of the locking pin 30, the locking pin 30 can move to a locking position, and when the locking pin 30 moves to the locking position, the unlocking rotating shaft component 50 extends into the second groove 32 of the locking pin 30 and locks the locking pin 30 at the locking position.

In this embodiment, the engagement between the mooring spool assembly 40 and the unlocking spool assembly 50 with the mooring key 10 and the unlocking key 60 is achieved by the first runner 11 and the second runner 12 provided on the mooring key 10 and the unlocking key 60. Specifically, when the locking pin 30 is unlocked by the captive key 10 or the unlock key 60, the stopper pin 41 of the captive spindle assembly 40 or the unlock spindle assembly 50 enters the second slide groove 12 through the first slide groove 11 of the captive key 10 or the unlock key 60, and is locked with the sidewall stopper of the second slide groove 12. When the mooring rotary shaft assembly 40 or the unlocking rotary shaft assembly 50 unlocks the mooring key 10 or the unlocking key 60, the mooring rotary shaft assembly 40 or the unlocking rotary shaft assembly 50 moves reversely to stretch into the locking pin 30, the limiting pin 41 of the mooring rotary shaft assembly 40 or the unlocking rotary shaft assembly 50 exits the second sliding groove 12 of the mooring key 10 or the unlocking key 60 and enters the first sliding groove 11, and the limiting pin 41 can exit the mooring key 10 or the unlocking key 60 along the first sliding groove 11.

In this embodiment, the anti-misoperation locking device further includes a code piece 100 with double code values and a magnet 90 which moves synchronously with the locking pin 30, the unlocking method further includes that the code value of the code piece 100 changes according to the position of the sensed magnet 90, when the anti-misoperation locking device is locked, the code value of the code piece 100 is a first code value, when the anti-misoperation locking device is unlocked, the code value of the code piece 100 is a second code value, along with the change of the unlocking state of the anti-misoperation locking device, the code value of the code piece 100 also changes correspondingly, the unlocking key 60 can read the code value of the code piece 100 and send the code value to the control terminal, and the state of the anti-misoperation locking device can be obtained after the analysis and judgment of the control.

In this embodiment, the anti-misoperation locking device further comprises a chain 80 connecting the mooring key 10 and the second to-be-locked piece, and the unlocking method further comprises the step of locking the mooring key 10 on the lock body 20 when the mooring key 10 is locked by the mooring spindle assembly 40, at this time, the chain 80 and the locking pin 30 together block the relative movement between the first to-be-locked piece and the second to-be-locked piece, so as to further ensure the locking safety.

As shown in fig. 1 to 16, the present embodiment further provides an anti-misoperation locking device, and the above-mentioned unlocking method is applied to the anti-misoperation locking device. The anti-misoperation locking device comprises a mooring key 10, a lock body 20, a locking pin 30, a mooring rotating shaft component 40 and an unlocking rotating shaft component 50, wherein the locking pin 30 is arranged on the lock body 20 in a penetrating way and has a locking position extending out of the lock body 20 and an unlocking position retracting into the lock body 20, and the locking pin 30 is provided with a first groove 31 and a second groove 32; the mooring rotating shaft assembly 40 can be matched with the mooring key 10 and moves under the driving of the mooring key 10, when the anti-misoperation locking device is unlocked, the mooring rotating shaft assembly 40 is aligned with the first groove 31 and extends into the first groove 31, the mooring rotating shaft assembly 40 unlocks the mooring key 10, the mooring key 10 can be taken down, when the anti-misoperation locking device is locked, the mooring key 10 drives the mooring rotating shaft assembly 40 to move, the mooring rotating shaft assembly 40 exits from the first groove 31 and is staggered with the first groove 31, and the mooring rotating shaft assembly 40 locks the mooring key 10 on the lock body 20; unlocking pivot subassembly 50 can cooperate with unlocking key 60, and move under the drive of unlocking key 60, when the device of preventing mislocking locks, unlocking pivot subassembly 50 aligns and stretches into in second recess 32 with second recess 32, unlocking pivot subassembly 50 unblock key 60, unlocking key 60 can take off, when the device of preventing mislocking unlocks, unlocking key 60 drives unlocking pivot subassembly 50 and moves, unlocking pivot subassembly 50 withdraws from second recess 32 and staggers with second recess 32, unlocking pivot subassembly 50 will unlock key 60 locking on lock body 20.

In the embodiment, through the above arrangement, the mooring rotating shaft assembly 40 locks one of the mooring key 10 and the locking pin 30, the unlocking rotating shaft assembly 50 locks one of the unlocking key 60 and the locking pin 30, the two cooperate with each other, and the mooring key 10 and the unlocking key 60 are respectively locked when the anti-misoperation locking device is locked and unlocked, so that one of the mooring key 10 and the unlocking key 60 can be locked on the anti-misoperation locking device inevitably, and an operator needs to take the unlocking key 60 away and then must use the mooring key 10 to unlock and take the unlocking key 60 away, thereby ensuring the reliability of locking of the anti-misoperation locking device, avoiding the situation that locking is disabled by mistake of the operator, and ensuring the safety of the isolation knife gate.

In the embodiment, the anti-misoperation locking device is applied to the isolation switch mechanism as an example, generally, the lock body 20 and the components therein are installed and fixed on the box door, the box door is the first to-be-locked component, the box body is the second to-be-locked component, and the anti-misoperation locking device locks the box door and the box body together, as shown in fig. 15 and 16. Of course, the anti-misoperation locking device can also be applied to other scenes according to the requirement.

In this embodiment, the principle and structure of the mooring spindle assembly 40 and the unlocking spindle assembly 50 are the same, with the difference being that the keys that engage are different. Taking the mooring rotating shaft assembly 40 as an example, the mooring rotating shaft assembly comprises a limiting pin 41, the limiting pin 41 is fixedly connected with the lock body 20, the mooring key 10 is provided with a first sliding groove 11 and a second sliding groove 12 which are communicated with each other, the first sliding groove 11 is arranged along the axial direction of the mooring key 10 and is communicated with the outside, the second sliding groove 12 is arranged along the circumferential direction of the mooring key 10, and the first sliding groove 11 and the second sliding groove 12 form an L-shaped sliding groove. As shown in fig. 10, when the anti-misoperation locking device is locked again, the operator inserts the captive key 10 into the lock body 20, the limit pin 41 extends into the first sliding groove 11, and along with the insertion of the captive key 10, the limit pin 41 gradually extends into the innermost part of the first sliding groove 11, after the captive key 10 is inserted in place, the operator rotates the captive key 10, the limit pin 41 extends into the second sliding groove 12 from the first sliding groove 11 when the captive key 10 rotates, at this time, as shown in fig. 3, the limit pin 41 abuts against the side wall of the second sliding groove 12, the second sliding groove 12 prevents the captive key 10 from being axially pulled out, and the captive key 10 is locked. To remove the captive key 10, the captive key 10 is first rotated in a reverse direction such that the lock pin 41 re-enters the first slot 11 to remove the captive key 10.

The mooring rotating shaft assembly 40 of the present embodiment further includes a rotating shaft 42, a driving shaft 43, and a first elastic member 44. As shown in fig. 5 and 6, the rotating shaft 42 is rotatably disposed and has a driving end 421 which is in driving fit with the captive key 10, in this embodiment, a non-circular hole is formed on an end surface of the captive key 10, the driving end 421 is provided with a non-circular protrusion with a matching shape, so that the captive key 10 can drive the rotating shaft 42 to rotate through the driving end 421, and the rotating shaft 42 further has an eccentrically disposed pressing end 422; the driving shaft 43 is slidably arranged and provided with a slot 431 into which the pressing end 422 extends, the length direction of the slot 431 is perpendicular to the axis of the driving shaft 43, when the rotating shaft 42 is driven to rotate by the captive key 10, the pressing end 422 presses the side wall of the slot 431, so that the driving shaft 43 is driven to slide away from the locking pin 30, the driving shaft 43 can exit the first groove 31, and the locking pin 30 is unlocked; the first elastic member 44 of the present embodiment is a spring which abuts the driving shaft 43 and provides the driving shaft 43 with an elastic force moving in a direction approaching the latching pin 30. When the mooring key 10 drives the rotating shaft 42 to rotate, the rotating shaft 42 drives the driving shaft 43 to exit from the first groove 31, the locking pin 30 can move freely and move to the locking position, at this time, the operator removes the force, the driving shaft 43 abuts against the locking pin 30 under the action of the first elastic piece 44, the driving shaft 43 has no moving space due to the limitation of the locking pin 30, the rotating shaft 42 and the mooring key 10 cannot rotate, and the limiting pin 41 cannot exit from the second sliding groove 12, so that the mooring key 10 is locked on the lock body 20.

Since the mooring rotary shaft assembly 40 and the unlocking rotary shaft assembly 50 of the present embodiment have the same structure, the unlocking rotary shaft assembly 50 and the way and the process of cooperating with the unlocking key 60 are the same as the mooring rotary shaft assembly 40 and the way and the process of cooperating with the mooring key 10, and thus are not described herein again. Of course, one of them may be locked by another locking method, except for the same setting method, as long as the effects of the present embodiment can be achieved.

In the present embodiment, along the movement trajectory of the latching pin 30, the distance between the first groove 31 and the second groove 32 is greater than the distance between the mooring pivot assembly 40 and the unlocking pivot assembly 50. Thus, when the first recess 31 is aligned with the drive shaft 43 of the mooring spindle assembly 40, the second recess 32 is misaligned with the drive shaft 43 of the unlocking spindle assembly 50, and similarly, when the second recess 32 is aligned with the drive shaft 43 of the unlocking spindle assembly 50, the first recess 31 is misaligned with the drive shaft 43 of the mooring spindle assembly 40.

As shown in fig. 1, in this embodiment, the anti-misoperation locking device further includes a second elastic member 70, where the second elastic member 70 is also a spring, and abuts against the locking pin 30 and provides an elastic force for the locking pin 30 to move to the unlocking position, so that when the unlocking key 60 unlocks the locking pin 30 through the unlocking rotary shaft assembly 50, the locking pin 30 can automatically move to the unlocking position under the action of the second elastic member 70, and the driving shaft 43 of the mooring rotary shaft assembly 40 can automatically extend into the first groove 31 under the action of the first elastic member 44. When re-locking is required, an operator needs to manually press the locking pin 30 after unlocking the locking pin 30 by the captive key 10, so that the locking pin 30 moves to the locking position, and the driving shaft 43 of the unlocking rotating shaft assembly 50 automatically extends into the second groove 32 under the action of the first elastic member 44, so that the locking pin 30 is re-locked at the locking position.

Optionally, as shown in fig. 15 and 16, the anti-misoperation locking device further comprises a chain 80, one end of the chain 80 is connected with the captive key 10, and the other end is connected with the captive key 10 and the part of the locked object, which is not provided with the lock body 20, namely the box body. The locking pin 30 and the chain 80 of the present embodiment both have a function of locking the door, specifically, the locking pin 30 extends into the insertion hole on the box body when being located at the locking position to lock the door, and meanwhile, since the captive key 10 is locked on the lock body 20, the door is also locked by the chain 80, so as to further ensure the security, and in addition, the chain 80 can also avoid the situation that the captive key 10 is lost. Of course, latching may also be accomplished with only one of the latching pin 30 or the chain 80.

As shown in fig. 1, 12 to 14, the anti-misoperation locking device further comprises a magnet 90 and a code sheet 100, wherein the magnet 90 is connected with the locking pin 30 and moves synchronously with the locking pin 30; the present embodiment employs a code sheet 100 having a double code value, and the code sheet 100 is capable of sensing the position of the magnet 90 and changing the code value according to the position of the magnet 90, thereby feeding back the unlocking state of the anti-misoperation lockout device in real time.

Optionally, the anti-misoperation locking device further comprises a mounting seat 110, the mounting seat 110 is fixedly connected with the locking pin 30 through a pin, a mounting hole is formed in the mounting seat 110, and the magnet 90 is mounted at the mounting hole.

Optionally, the anti-misoperation locking device of the embodiment further includes a dust cover 120, and the dust cover 120 is rotatably connected to the lock body 20 and can shield the part of the lock body 20 engaged with the unlocking key 60, such as the code sheet 100 and the unlocking hole. The lock body 20 of this embodiment is towards treating the installation object surface, installs the opening in the one side on chamber door surface promptly, and all in each part in the lock body 20 are all installed in the lock body 20 through this opening, and the opening part should be equipped with seals the board, and like this, when preventing mistake blocking device and installing on the chamber door, seal the board and be sheltered from to avoid preventing the condition that mistake blocking device was dismantled at will, guarantee the security.

The specific unlocking method of the anti-misoperation locking device of the embodiment is as follows:

before the maintenance personnel overhaul, the box door of the isolation disconnecting link mechanism is locked by the anti-misoperation locking device. At this time, the mooring key 10 is locked to the lock body 20 and cannot be removed. Meanwhile, the locking pin 30 is in the locking position and is inserted into the insertion hole on the side surface of the box body, so that the box door is locked, as shown in fig. 2 to 4;

after the maintainer invoices, obtain the unblock authority, the unlocking key 60 is inserted to the anti-misoperation lockout device, if read the code value of code piece 100 this moment and be first code value, can unlock the anti-misoperation lockout device. After the unlocking is successful, the captive key 10 is now rotated to the extractable position. At the same time, the latching pin 30 is retracted from the side insertion hole by the second elastic member 70. Meanwhile, the unlocking key 60 is kept on the lock body 20 and cannot be pulled out, and meanwhile, the code value of the code sheet 100 is read to be changed into a second code value, and a signal that the door of the lock is opened, namely the opening operation is about to be carried out is transmitted to the system background. At this time, the service man can open the box door to perform the opening operation of the isolation switch, as shown in fig. 7 to 9;

after the maintenance personnel finish the opening operation of the isolation switch, the next electricity testing grounding operation needs to be carried out by using the unlocking key 60. The unlocking key 60 cannot be removed because it is keyed to the lock body 20. To remove the unlocking key 60, the unlocking operation must be performed with the captive key 10 inserted into the lock body 20. The end of the locking pin 30 is pushed by hand while the mooring key 10 is rotated, at this time, the unlocking key 60 is unlocked and can be taken out for next operation such as electricity inspection and maintenance, while the mooring key 10 cannot be taken out from the lock body 20, and the locking pin 30 is inserted into the insertion hole again to lock the door, as shown in fig. 10 and 11.

It should be noted that, a plurality in the above embodiments means at least two.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. the problem of large potential safety hazard in isolation switch operation in the prior art is solved;

2. the box door of the isolation switch mechanism is locked by a forced maintainer after the isolation switch is operated, so that potential safety hazards caused by errors of the maintainer are avoided, reliable locking of the isolation switch mechanism is guaranteed, and the use safety is improved;

3. and feeding back the unlocking state of the anti-misoperation locking device in real time.

It is to be understood that the above-described embodiments are only a few, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

1. An unlocking method of an anti-misoperation locking device, which is mounted on a first to-be-locked member and comprises a mooring key (10), a locking pin (30), a mooring spindle assembly (40) and an unlocking spindle assembly (50), the unlocking method comprising:

when the anti-misoperation locking device is unlocked, an unlocking key (60) drives the unlocking rotating shaft component (50) to unlock the locking pin (30), the locking pin (30) can move to an unlocking position where the locking pin exits the second to-be-locked piece, the unlocking rotating shaft component (50) locks the unlocking key (60), when the locking pin (30) moves to the unlocking position, the locking pin (30) unlocks the relative movement between the first to-be-locked piece and the second to-be-locked piece, and the mooring rotating shaft component (40) locks the locking pin (30) and unlocks the mooring key (10);

when the anti-misoperation locking device is locked, the mooring key (10) drives the mooring rotating shaft component (40) to unlock the locking pin (30), the locking pin (30) can move to a locking position extending into the second to-be-locked piece, the mooring rotating shaft component (40) locks the mooring key (10), when the locking pin (30) moves to the locking position, the locking pin (30) locks relative movement between the first to-be-locked piece and the second to-be-locked piece, and the unlocking rotating shaft component (50) locks the locking pin (30) and unlocks the unlocking key (60).

2. The unlocking method according to claim 1, wherein when the anti-mislocking device is unlocked, the unlocking rotary shaft component (50) is driven by the unlocking key (60) to exit from the second groove (32) of the locking pin (30), the locking pin (30) can move to the unlocking position, and when the locking pin (30) moves to the unlocking position, the mooring rotary shaft component (40) extends into the first groove (31) of the locking pin (30) and locks the locking pin (30) at the unlocking position.

3. The unblocking method according to claim 1, wherein when the anti-mislatching apparatus is blocked, the mooring spindle assembly (40) is withdrawn out of the first groove (31) of the blocking pin (30) by the mooring key (10), the blocking pin (30) can be moved to the blocking position, and when the blocking pin (30) is moved to the blocking position, the unlocking spindle assembly (50) is protruded into the second groove (32) of the blocking pin (30) and locks the blocking pin (30) at the blocking position.

4. The unlocking method according to claim 1, wherein when the locking pin (30) is unlocked by the mooring key (10) or the unlocking key (60), the stopper pin (41) of the mooring spindle assembly (40) or the unlocking spindle assembly (50) enters the second slide groove (12) through the first slide groove (11) of the mooring key (10) or the unlocking key (60) and is locked with the sidewall stopper of the second slide groove (12).

5. The unlocking method according to claim 1, wherein when said mooring spindle assembly (40) or said unlocking spindle assembly (50) unlocks said mooring key (10) or said unlocking key (60), said mooring spindle assembly (40) or said unlocking spindle assembly (50) moves in reverse direction into said locking pin (30), a stopper pin (41) of said mooring spindle assembly (40) or said unlocking spindle assembly (50) exits from a second runner (12) of said mooring key (10) or said unlocking key (60) and enters into a first runner (11), said stopper pin (41) being able to exit from said mooring key (10) or said unlocking key (60) along said first runner (11).

6. An unlocking method according to claim 1, wherein the anti-misoperation device further comprises a code sheet (100) with double code values and a magnet (90) moving synchronously with the locking pin (30), the unlocking method further comprises the code sheet (100) changing its code value according to the position sensed by the magnet (90), when the anti-misoperation device is locked, the code value of the code sheet (100) is a first code value, when the anti-misoperation device is unlocked, the code value of the code sheet (100) is a second code value, and the unlocking key (60) can read the code value of the code sheet (100) and send the code value to the control terminal.

7. An unlocking method according to claim 1, wherein said anti-mislocking device further comprises a chain (80) connecting said mooring key (10) and said second to-be-locked piece, said unlocking method further comprising said chain (80) blocking relative movement between said first to-be-locked piece and said second to-be-locked piece when said mooring key (10) is locked by said mooring spindle assembly (40).

8. An anti-lockout device, comprising:

a captive key (10);

a lock body (20);

the locking pin (30) is arranged on the lock body (20) in a penetrating mode, and has a locking position extending out of the lock body (20) and an unlocking position retracting into the lock body (20), and the locking pin (30) is provided with a first groove (31) and a second groove (32);

the mooring rotating shaft assembly (40) can be matched with the mooring key (10) and moves under the driving of the mooring key (10), when the anti-misoperation locking device is unlocked, the mooring rotating shaft assembly (40) is aligned with the first groove (31) and extends into the first groove (31), the mooring rotating shaft assembly (40) unlocks the mooring key (10), the mooring key (10) can be taken down, when the anti-misoperation locking device is locked, the mooring key (10) drives the mooring rotating shaft assembly (40) to move, the mooring rotating shaft assembly (40) exits the first groove (31) and is staggered with the first groove (31), and the mooring rotating shaft assembly (40) locks the mooring key (10) on the lock body (20);

the anti-misoperation locking device comprises an unlocking rotating shaft assembly (50), wherein the unlocking rotating shaft assembly (50) can be matched with an unlocking key (60) and moves under the driving of the unlocking key (60), when the anti-misoperation locking device is locked, the unlocking rotating shaft assembly (50) is aligned with a second groove (32) and extends into the second groove (32), the unlocking rotating shaft assembly (50) unlocks the unlocking key (60), the unlocking key (60) can be taken down, when the anti-misoperation locking device is unlocked, the unlocking key (60) drives the unlocking rotating shaft assembly (50) to move, the unlocking rotating shaft assembly (50) exits from the second groove (32) and is staggered with the second groove (32), and the unlocking rotating shaft assembly (50) locks the unlocking key (60) on the lock body (20).

9. The device for preventing misoperation according to claim 8, wherein the mooring rotating shaft assembly (40) and/or the unlocking rotating shaft assembly (50) comprises a limit pin (41), the limit pin (41) is fixedly connected with the lock body (20), the mooring key (10) and/or the unlocking key (60) are provided with a first chute (11) and a second chute (12) which are communicated with each other, the first chute (11) is formed along the axial direction of the mooring key (10) or the unlocking key (60) and is communicated with the outside, the second chute (12) is formed along the circumferential direction of the mooring key (10) or the unlocking key (60), when the mooring key (10) or the unlocking key (60) is inserted into the lock body (20), the limit pin (41) extends into the first chute (11), and when the mooring key (10) or the unlocking key (60) rotates, the limit pin (41) extends into the first chute (11) The second sliding groove (12) is abutted against the side wall of the second sliding groove (12) to lock the mooring key (10) or the unlocking key (60).

10. Device according to claim 8, characterized in that said captive spindle assembly (40) and/or said unlatching spindle assembly (50) comprise:

the rotating shaft (42) is rotatably arranged and provided with a driving end (421) in driving fit with the mooring key (10) or the unlocking key (60), and the rotating shaft (42) is further provided with an eccentrically arranged extruding end (422);

the driving shaft (43) is arranged in a sliding mode and provided with a groove (431) for the extrusion end (422) to extend into, when the rotating shaft (42) is driven to rotate by the mooring key (10) or the unlocking key (60), the extrusion end (422) extrudes the side wall of the groove (431) and drives the driving shaft (43) to slide, and the driving shaft (43) exits from the first groove (31) or the second groove (32);

a first elastic member (44), the first elastic member (44) abutting against the drive shaft (43) and providing the drive shaft (43) with an elastic force moving in a direction approaching the latching pin (30).

11. Device according to claim 8, characterized in that along the trajectory of the movement of the blocking pin (30) the distance between the first recess (31) and the second recess (32) is greater than the distance between the mooring spindle assembly (40) and the unlocking spindle assembly (50).

12. A device according to claim 8, further comprising a second resilient member (70), the second resilient member (70) abutting the latching pin (30) and providing the latching pin (30) with a resilient force to move towards the unlocked position.

13. The anti-lockout device of claim 8 further comprising a chain (80), the chain (80) being connected to the captive key (10) and to a portion of the locked item where the lock body (20) is not installed.

14. The mis-lockout device of claim 8 further comprising:

a magnet (90), said magnet (90) being connected to said latching pin (30) and moving synchronously with said latching pin (30);

a code chip (100), the code chip (100) being capable of sensing the position of the magnet (90) and changing a code value according to the position of the magnet (90).

15. A mis-locking prevention device according to claim 14, further comprising a mounting seat (110), wherein the mounting seat (110) is fixedly connected with the locking pin (30), and wherein the magnet (90) is mounted on the mounting seat (110).

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