CN112343436A - Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method - Google Patents
Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method Download PDFInfo
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- CN112343436A CN112343436A CN202011217231.XA CN202011217231A CN112343436A CN 112343436 A CN112343436 A CN 112343436A CN 202011217231 A CN202011217231 A CN 202011217231A CN 112343436 A CN112343436 A CN 112343436A
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- Prior art keywords
- lock
- manhole cover
- control device
- water tank
- electromagnetic lock
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B63/00—Locks or fastenings with special structural characteristics
- E05B63/14—Arrangement of several locks or locks with several bolts, e.g. arranged one behind the other
- E05B63/143—Arrangement of several locks, e.g. in parallel or series, on one or more wings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B11/00—Arrangements or adaptations of tanks for water supply
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B7/00—Water main or service pipe systems
- E03B7/09—Component parts or accessories
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B17/00—Accessories in connection with locks
- E05B17/22—Means for operating or controlling lock or fastening device accessories, i.e. other than the fastening members, e.g. switches, indicators
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B45/00—Alarm locks
- E05B45/06—Electric alarm locks
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B2047/0094—Mechanical aspects of remotely controlled locks
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- Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a linkage lock of an anti-terrorist anti-virus safety water tank cover and an unlocking and locking method, wherein the linkage lock comprises a water tank cover, a mechanical lock, an electromagnetic lock and a control device; the water tank cover comprises a manhole cover and a base, the mechanical lock and the electromagnetic lock are arranged on the base, and a lock hole is formed in the manhole cover corresponding to the mechanical lock and the electromagnetic lock; the lock rods of the mechanical lock and the electromagnetic lock are respectively inserted into the corresponding lock holes to lock the manhole cover; the bottom of the lock cylinder of the mechanical lock is connected with a microswitch, the microswitch is connected with the input end of the control device, and the electromagnetic lock is connected with the output end of the control device. The double-protection water tank cover is simple in structure, double protection of the water tank cover is achieved through double arrangement of the electromagnetic lock and the mechanical lock, and safety of a water source in the water tank is improved.
Description
Technical Field
The invention relates to the technical field of water tank cover linkage locks, in particular to a linkage lock of an anti-terrorism anti-virus safety water tank cover and unlocking and locking methods.
Background
With the continuous development of society, events disturbing social order and destroying public facilities occur sometimes, water is a natural resource for human life, and once water quality is polluted, life is in danger, so that the anti-terrorism safety requirement on secondary water supply facilities of water sources is higher and higher.
Traditional secondary water supply facility adopts the water tank to supply water usually, and the manhole cover of water tank is undoubtedly crucial to the safety of the inside water source of water tank, and traditional manhole cover sets up on the water tank lid usually, and the closure of manhole cover adopts mechanical lock or electromagnetic lock to set up alone usually, is destroyed by external force easily and leads to the inside water source of water tank to appear polluting, influences the human health.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a linkage lock of an anti-terrorism anti-virus safety water tank cover and an unlocking and locking method.
The invention discloses a linkage lock of an anti-terrorist anti-poison safety water tank cover, which comprises a water tank cover, a mechanical lock, an electromagnetic lock and a control device, wherein the mechanical lock is arranged on the water tank cover;
the water tank cover comprises a manhole cover and a base, the mechanical lock and the electromagnetic lock are arranged on the base, and a lock hole is formed in the manhole cover corresponding to the mechanical lock and the electromagnetic lock; after the lock rods of the mechanical lock and the electromagnetic lock are respectively inserted into the corresponding lock holes, double locking of the manhole cover is realized;
the base is also provided with a positioning component for detecting whether the manhole cover is closed in place;
the bottom of the lock cylinder of the mechanical lock is connected with a microswitch, the microswitch and the positioning member are connected with the input end of the control device, and the electromagnetic lock is connected with the output end of the control device;
when the mechanical lock is opened, the microswitch is triggered, and the control device controls the electromagnetic lock to be opened; when the positioning component detects that the opened manhole cover is closed in place, the control device controls the electromagnetic lock to be closed.
As a further improvement of the present invention, the positioning member, the mechanical lock, and the electromagnetic lock are mounted on the base through a fixing bracket, and the positioning member, the mechanical lock, and the electromagnetic lock are covered with a lock box, and the lock box is detachably mounted on the base.
As a further improvement of the invention, the device also comprises an unlocking request button;
the unlocking request button is arranged on the base and connected with the input end of the control device, and the control device is connected with a remote upper computer through a cable;
the unlocking request button is pressed, the upper computer receives an unlocking instruction, the mechanical lock is opened after the operator of the upper computer agrees to authorization, and if the mechanical lock is directly opened without pressing the unlocking request button, the control device and the upper computer send out an alarm signal.
As a further improvement of the present invention, the positioning member is a telescopic rod sensor, a probe of the telescopic rod sensor is pressed against the manhole cover, and the telescopic rod sensor is connected with the input end of the control device through a cable;
in an initial state, the telescopic rod sensor probe is compressed and props against the manhole cover;
when the probe is extended, a signal for opening the manhole cover is sent to the control device;
when the probe is compressed by extension, a signal is sent to the control device that the manhole cover is closed in place.
As a further improvement of the invention, the control device is a PLC, an input end of the PLC is connected with the telescopic rod sensor, the microswitch and the unlocking request button, and an output end of the PLC is connected with the electromagnetic lock and the alarm;
the PLC controls the electromagnetic lock to be opened according to the microswitch signal, and the PLC sends out a signal whether the manhole cover is covered back or not according to the signal of the telescopic rod sensor.
As a further improvement of the present invention, a hanging ring is annularly distributed on the base at a position corresponding to the manhole cover, one end of the hanging ring is hinged to the base, a screw rod and a spring are arranged on the hanging ring, the hanging ring is pressed on the edge of the manhole cover, and the screw rod is adjusted to seal the manhole cover.
The invention discloses an unlocking method of a linkage lock of an anti-terrorist anti-poison safe water tank, which comprises the following steps:
the method comprises the following steps: the operator presses the unlocking request button, and after the remote operator agrees to authorize, the mechanical lock is unlocked;
step two: after the mechanical lock is unlocked, the microswitch at the bottom of the mechanical lock is triggered, the microswitch sends a signal to the control device, and the control device controls the electromagnetic lock to be unlocked;
step three: after the electromagnetic lock is opened, an operator relaxes the lifting ring screws around the manhole cover and rotates the lifting rings to the position below the manhole cover around a hinge point;
step four: and opening the manhole cover, extending the telescopic rod sensor probe at the moment, and sending out a manhole cover opening signal by the control device.
As a further improvement of the present invention, in the first step, if the operator directly opens the mechanical lock without pressing the unlock request button, an alarm is triggered, and the alarm sends out an alarm.
The invention discloses a locking method of a linkage lock of an anti-terrorist anti-virus safety water tank, which comprises the following steps:
the method comprises the following steps: the operator covers the manhole cover back and secures the bail in place;
step two: after the manhole cover is closed in place, the telescopic rod sensor probe is compressed by extension and props against the manhole cover, and the control device sends out a signal that the manhole cover is closed in place;
step three: the electromagnetic lock automatically falls off to complete the locking work of the electromagnetic lock;
step four: after the electromagnetic lock is locked, the mechanical lock is closed by an operator to complete the locking work.
Compared with the prior art, the invention has the beneficial effects that:
the electromagnetic lock and the mechanical lock are arranged in a double mode, double protection of the manhole cover is achieved, safety of a water source in the water tank is improved, the mechanical lock can be remotely monitored in real time due to the arrangement of the microswitch at the bottom of the mechanical lock, and damage to the water source due to forced opening of the mechanical lock is avoided;
the electromagnetic lock has a simple structure, the control device controls the opening of the electromagnetic lock through the microswitch signal, the safety and the reliability of the electromagnetic lock are improved, the safety of a water source in the water tank is ensured, and the damage of extreme molecules to a manhole cover is avoided;
the invention realizes the monitoring of the manhole cover by arranging the positioning component, so that the opening or closing state of the manhole cover can be remotely mastered, the safety of the manhole cover is improved, the remote monitoring is realized, the time and the labor are saved, and the practicability of the invention is improved.
Drawings
FIG. 1 is a schematic structural view of a lock box of a linkage lock of an anti-terrorist, anti-poison safety water tank cover disclosed by the invention;
FIG. 2 is a schematic structural view of an electromagnetic lock and a mechanical lock of a linkage lock of an anti-terrorist anti-poison safety water tank cover disclosed by the invention;
FIG. 3 is a schematic structural diagram of a bracket of an electromagnetic lock and a mechanical lock of a linkage lock of an anti-terrorism anti-poison safety water tank cover, which is disclosed by the invention;
FIG. 4 is a structural top view of an electromagnetic lock and a mechanical lock of a linkage lock of the anti-terrorist anti-poison safety water tank cover disclosed by the invention;
FIG. 5 is an unlocking flow chart of the linkage lock of the anti-terrorism anti-poison safety water tank cover disclosed by the invention;
FIG. 6 is a locking flow chart of the linkage lock of the anti-terrorism anti-virus safety water tank cover disclosed by the invention.
In the figure:
1. a water tank cover; 2. a lock case; 3. a manhole cover; 4. a hoisting ring; 5. an integrated sensor; 6. a display; 7. a positioning member; 8. a mechanical lock; 9. an electromagnetic lock; 10. a microswitch; 11. an alarm; 12. an unlock request button.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The invention is described in further detail below with reference to the attached drawing figures:
as shown in figures 1-4, the invention discloses a linkage lock of an anti-terrorist anti-virus safety water tank cover, which comprises a water tank cover 1, a mechanical lock 8, an electromagnetic lock 9 and a control device; the water tank cover 1 comprises a manhole cover 3 and a base, a mechanical lock 8 and an electromagnetic lock 9 are arranged on the base, the positions, corresponding to the mechanical lock 8 and the electromagnetic lock 9, on the manhole cover 3 are provided with lock holes, the lock rods of the mechanical lock 8 and the electromagnetic lock 9 are respectively inserted into the corresponding lock holes to lock the manhole cover 3, the bottom of the lock cylinder of the mechanical lock 8 is connected with a microswitch 10, the microswitch 10 is connected with the input end of a control device, and the electromagnetic lock 9 is connected with the output end of the control device.
Furthermore, the invention also comprises an unlocking request button 12 and a positioning member 7 for monitoring whether the manhole cover 3 is closed in place, wherein the positioning member 7, the mechanical lock 8 and the electromagnetic lock 9 are all arranged on the base through fixed supports, the positioning member 7, the mechanical lock 8 and the electromagnetic lock 9 are covered with the lock box 2, the lock box 2 is detachably arranged on the base, and the detachable connection comprises bolt connection.
As shown in fig. 1, a lifting ring 4 is annularly distributed at a position of the base corresponding to the manhole cover 3, one end of the lifting ring 4 is hinged to the base, a screw rod and a spring are arranged on the lifting ring 4, the height of the lifting ring 4 can be controlled by adjusting the screw rod and the spring, the lifting ring 4 is pressed on the edge of the manhole cover 3 in actual use, and the lifting ring 4 is ensured to be completely attached to the manhole cover 3 after the screw rod and the spring are adjusted, so that the sealing of the manhole cover 3 is realized.
As shown in fig. 2-4, the positioning member 7 of the present invention is a telescopic rod sensor, a probe of the telescopic rod sensor is pressed against the manhole cover 3, and the telescopic rod sensor is connected to an input end of the control device through a cable, when the manhole cover 3 is closed in place during actual use, the probe of the telescopic rod sensor is compressed, and at this time, the probe is pressed against the manhole cover 3, and sends a signal that the manhole cover 3 is closed in place to the control device, and the control device lights a manhole cover closing indicator, and when the manhole cover 3 is opened, the probe of the telescopic rod sensor extends out, and sends a signal that the manhole cover 3 is opened to the control device, and the control device lights a manhole cover 3 opening indicator, and in an initial state, the probe of the telescopic rod sensor is in a compressed state.
Furthermore, the microswitch 10 is connected with the input end of the control device, when the lock cylinder of the mechanical lock 8 acts, the microswitch 10 is driven to be closed or disconnected, and when the mechanical lock 8 is opened, the lock cylinder at the bottom of the mechanical lock 8 can drive the microswitch 10 to be closed; when the mechanical lock 8 is closed, the lock cylinder unlocks and presses the microswitch 10, and the microswitch 10 is switched off; the microswitch 10 sends a signal to the control device after being closed, the control device controls the electromagnetic lock 9 to be opened after receiving the signal, and the electromagnetic lock 9 automatically falls after the telescopic rod sensor detects that the manhole cover 3 is closed in place, so that the manhole cover 3 is locked by the electromagnetic lock 9.
Furthermore, the control device comprises a PLC, wherein the input end of the PLC is connected with the telescopic rod sensor, the microswitch 10 and the unlocking request button 12, and the output end of the PLC is connected with the electromagnetic lock 9 and the alarm 11. Simultaneously PLC passes through the cable with the host computer of long-range computer lab and is connected, at the during operation, operating personnel need press the request button 12 back of unblanking, agree the back by long-range host computer control personnel, can open mechanical lock 8, mechanical lock 8 drives micro-gap switch 10 closed back, micro-gap switch sends a signal to PLC, PLC receives signal back control electromagnetic lock 9 and opens, operating personnel need open all rings 4 between manhole cover 3 and the base this moment after, open tank lid 1, after tank lid 3 opened, telescopic rod sensor probe stretches out, send the signal that tank lid 3 had opened to PLC, make things convenient for remote operation personnel to master the state of tank lid 3.
As shown in fig. 1, the present invention further includes an integrated sensor 5 and a display 6, the integrated sensor 5 is connected with the water tank cover 1 through a hollow tube, a cable of the sensor in the integrated sensor 5 is connected with a control device inside the water tank cover 3 through a hollow tube, the display 6 is externally hung on the outer wall of the water tank and is used for displaying monitoring parameter values inside the water tank in real time, and an operator can modify monitoring set values of the integrated sensor 5 through the display 6.
Further, the PLC is connected with an upper computer of a remote machine room through a cable, the PLC is communicated with the upper computer, a plurality of indicating lamps are arranged on the upper computer and the display 6 and comprise a manhole cover 3 opening indicating lamp, a manhole cover 3 closing indicating lamp and an alarm indicating lamp, and the upper computer is arranged, so that the monitoring of the state of the manhole cover 3 by remote operators is realized, the safety of the manhole cover 3 is ensured, and meanwhile, the water quality condition in the water tank can be timely mastered.
As shown in figures 5-6, the invention discloses an unlocking and locking method of a linkage lock of an anti-terrorist anti-virus safety water tank cover, which comprises an unlocking method and a locking method.
As shown in fig. 5, the unlocking method of the present invention specifically includes:
the method comprises the following steps: the operator opens the mechanical lock 8 after the remote control personnel approve the authorization through the unlocking request button 12;
step two: after the mechanical lock 8 is opened, a microswitch 10 at the bottom of the mechanical lock 8 is triggered, a signal is sent to a control device by the microswitch 10, and the control device controls an electromagnetic lock 9 to be opened;
step three: after the electromagnetic lock 9 is opened, an operator loosens the screw rods of the hanging rings 4 around the manhole cover 3, and rotates the hanging rings 4 to the position below the manhole cover 3 around the hinge point;
step four: and (4) opening the manhole cover 3, wherein the telescopic rod sensor probe extends at the moment, and the control device sends out a manhole cover 3 opening signal.
Further, if the operator does not press the unlocking request button 12 in the unlocking stage step one to directly open the mechanical lock 8, an alarm is triggered, and the alarm 11 gives an alarm.
As shown in fig. 6, the locking method of the present invention specifically includes:
the method comprises the following steps: the operator covers the manhole cover 3 back, fixes the hanging ring 4 in place, and adjusts the height of the hanging ring 4 through the screw rod on the hanging ring 4, so that the hanging ring 4 is tightly attached to the edge of the manhole cover 3;
step two: after the manhole cover 3 is closed in place, the telescopic rod sensor probe retracts, and the control device sends out a signal that the manhole cover 3 is closed in place;
step three: after the manhole cover 3 is closed in place, the electromagnetic lock 9 automatically locks to complete the locking work of the electromagnetic lock 9;
step four: after the electromagnetic lock 9 is locked, the mechanical lock 8 is closed by an operator, and the locking operation is completed.
The invention has the advantages that:
the electromagnetic lock and the mechanical lock are arranged in a double mode, double protection of the manhole cover is achieved, safety of a water source in the water tank is improved, the mechanical lock can be remotely monitored in real time due to the arrangement of the microswitch at the bottom of the mechanical lock, and damage to the water source due to forced opening of the mechanical lock is avoided;
the electromagnetic lock has a simple structure, the control device controls the opening of the electromagnetic lock through the microswitch signal, the safety and the reliability of the electromagnetic lock are improved, the safety of a water source in the water tank is ensured, and the damage of extreme molecules to a manhole cover is avoided;
the invention realizes the monitoring of the manhole cover by arranging the positioning component, so that the opening or closing state of the manhole cover can be remotely mastered, the safety of the manhole cover is improved, the remote monitoring is realized, the time and the labor are saved, and the practicability of the invention is improved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to 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 (9)
1. A linkage lock of an anti-terrorism anti-poison safety water tank cover is characterized by comprising a water tank cover, a mechanical lock, an electromagnetic lock and a control device;
the water tank cover comprises a manhole cover and a base, the mechanical lock and the electromagnetic lock are arranged on the base, and a lock hole is formed in the manhole cover corresponding to the mechanical lock and the electromagnetic lock; after the lock rods of the mechanical lock and the electromagnetic lock are respectively inserted into the corresponding lock holes, double locking of the manhole cover is realized;
the base is also provided with a positioning component for detecting whether the manhole cover is closed in place;
the bottom of the lock cylinder of the mechanical lock is connected with a microswitch, the microswitch and the positioning member are connected with the input end of the control device, and the electromagnetic lock is connected with the output end of the control device;
when the mechanical lock is opened, the microswitch is triggered, and the control device controls the electromagnetic lock to be opened; when the positioning component detects that the opened manhole cover is closed in place, the control device controls the electromagnetic lock to be closed.
2. The linkage lock of the anti-terrorism anti-poison safety water tank cover according to claim 1, wherein the positioning member, the mechanical lock and the electromagnetic lock are mounted on the base through a fixing bracket, the positioning member, the mechanical lock and the electromagnetic lock are covered with a lock box, and the lock box is detachably mounted on the base.
3. The linkage lock of the anti-terrorist, anti-virus and safe cistern cover of claim 1, further comprising an unlocking request button;
the unlocking request button is arranged on the base and connected with the input end of the control device, and the control device is connected with a remote upper computer through a cable;
the unlocking request button is pressed, the upper computer receives an unlocking instruction, the mechanical lock is opened after the operator of the upper computer agrees to authorization, and if the mechanical lock is directly opened without pressing the unlocking request button, the control device and the upper computer send out an alarm signal.
4. The linkage lock of the anti-terrorism anti-poison safety water tank cover according to claim 3, wherein the positioning member is a telescopic rod sensor, a probe of the telescopic rod sensor abuts against the manhole cover, and the telescopic rod sensor is connected with an input end of the control device through a cable;
in an initial state, the telescopic rod sensor probe is compressed and props against the manhole cover;
when the probe is extended, a signal for opening the manhole cover is sent to the control device;
when the probe is compressed by extension, a signal is sent to the control device that the manhole cover is closed in place.
5. The linkage lock of the anti-terrorism anti-poison safety water tank cover according to claim 4, wherein the control device is a PLC, the input end of the PLC is connected with the telescopic rod sensor, the microswitch and the unlocking request button, and the output end of the PLC is connected with the electromagnetic lock and the alarm;
the PLC controls the electromagnetic lock to be opened according to the microswitch signal, and the PLC sends out a signal whether the manhole cover is covered back or not according to the signal of the telescopic rod sensor.
6. The interlocking lock of the anti-terrorism anti-poison safety water tank cover according to claim 1, wherein a hanging ring is annularly arranged on the base at a position corresponding to the manhole cover, one end of the hanging ring is hinged to the base, a screw rod and a spring are arranged on the hanging ring, and the hanging ring is pressed on the edge of the manhole cover, so that the manhole cover is sealed by adjusting the screw rod.
7. An unlocking method of a linkage lock of an anti-terrorist anti-poison safety water tank based on any one of claims 1 to 6, which is characterized by comprising the following steps:
the method comprises the following steps: the operator presses the unlocking request button, and after the remote operator agrees to authorize, the mechanical lock is unlocked;
step two: after the mechanical lock is unlocked, the microswitch at the bottom of the mechanical lock is triggered, the microswitch sends a signal to the control device, and the control device controls the electromagnetic lock to be unlocked;
step three: after the electromagnetic lock is opened, an operator relaxes the lifting ring screws around the manhole cover and rotates the lifting rings to the position below the manhole cover around a hinge point;
step four: and opening the manhole cover, extending the telescopic rod sensor probe at the moment, and sending out a manhole cover opening signal by the control device.
8. The method for unlocking and locking the linkage lock of the anti-terrorism anti-poison safety water tank as claimed in claim 7, wherein if the mechanical lock is directly opened without pressing the unlocking request button in the step one, an alarm is triggered, and the alarm gives an alarm.
9. The locking method of the linkage lock of the anti-terrorist anti-virus safe water tank as claimed in the claims 1 to 6, which is characterized by comprising the following steps:
the method comprises the following steps: the operator covers the manhole cover back and secures the bail in place;
step two: after the manhole cover is closed in place, the telescopic rod sensor probe is compressed by extension and props against the manhole cover, and the control device sends out a signal that the manhole cover is closed in place;
step three: the electromagnetic lock automatically falls off to complete the locking work of the electromagnetic lock;
step four: after the electromagnetic lock is locked, the mechanical lock is closed by an operator to complete the locking work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217231.XA CN112343436A (en) | 2020-11-04 | 2020-11-04 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011217231.XA CN112343436A (en) | 2020-11-04 | 2020-11-04 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
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| CN112343436A true CN112343436A (en) | 2021-02-09 |
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| CN202011217231.XA Pending CN112343436A (en) | 2020-11-04 | 2020-11-04 | Linkage lock of anti-terrorist anti-poison safety water tank cover and unlocking and locking method |
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Application publication date: 20210209 |
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