CN212358382U - Manhole cover lock - Google Patents
Manhole cover lock Download PDFInfo
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- CN212358382U CN212358382U CN201921784775.7U CN201921784775U CN212358382U CN 212358382 U CN212358382 U CN 212358382U CN 201921784775 U CN201921784775 U CN 201921784775U CN 212358382 U CN212358382 U CN 212358382U
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- lock
- ring
- well lid
- cover
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Abstract
The utility model discloses an inspection shaft lid lock. The inspection well cover lock comprises a well cover, a well cover base and a lock bolt, wherein the lock bolt is sequentially inserted into an internal vertical normally open ring lock on the back surface of the well cover, a peripheral vertical lock ring and a base upper insertion hole after passing through an operation opening of the well cover, and a lock ring of a lock bolt is naturally sleeved and hung on the internal vertical normally open ring lock from an opening of the internal vertical normally open ring lock to lock the inspection well cover. The well lid control system of normal work refuses to accept the wireless power supply ware mode and destroys the operation flap mode and unblanks, can lock all inside vertical open-type ring locks when running into the operation flap and illegally opening to server propelling movement alarm signal prevents further to open the inspection shaft lid. After the well lid control system breaks down, the maintenance personnel are allowed to open the operation opening lid in a wireless power supply device mode or a violent mode by the internal vertical ring lock which is normally opened after power failure, then the manhole cover is opened by manually taking out the lock bolt, and the engineering quantity, difficulty and cost of well lid maintenance are reduced to the minimum.
Description
Technical Field
The utility model relates to an inspection shaft lid safety technical field, concretely relates to inspection shaft lid lock.
Background
The inspection well cover control system with the functions of damage detection, anti-theft detection, temperature and humidity monitoring in the pipeline and the like can push alarm information to the server end through the network in time when the well cover is illegally opened and environmental parameters in the pipeline are abnormal, and waits for well cover managers to perform subsequent processing. The locking or unlocking operation of the well lid lock is usually completed by a server end sending a command to a well lid control system or an external electronic key. A well lid lock controlled by an external electronic key requires a metal access contact to be left on the well lid. On the one hand, the metal contact interface exposed in the external environment for a long time is easy to corrode, and finally, the external electronic key is disabled, so that the well lid cannot be opened. At the moment, the well cover needs to be integrally removed from the concrete of the pipe wall, so that the maintenance difficulty is extremely high, and the maintenance cost is very high; on the other hand, because the particularity of inserting the metal contact leads to the well lid can not directly place on the road surface, needs settle the female lid of a protection usefulness on the well lid, has increased equipment input cost. The well lid lock controlled by the server through the well lid control system avoids the defect that an external electronic key type well lid cannot be directly used as a road well lid, but still needs to be maintained after the well lid is integrally removed from road concrete under the condition that the well lid control system is powered off or fails, and the maintenance difficulty and the maintenance cost are still high.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to provide an inspection shaft lid lock, the utility model discloses inspection shaft lid lock's simple structure, easy to maintain, whole consumption is lower, and equipment input cost is low, can directly regard as road surface well lid to use, has high social application spreading value.
A manhole cover lock comprises a manhole cover, a manhole cover base and a lock bolt; the manhole cover base is uniformly provided with at least 2 insertion holes, the insertion holes are positioned on a waist line below the protruding edge of the manhole cover base, and the lock bolt comprises a lock bolt rod and a lock ring positioned at the tail part of the lock bolt rod; an operation opening is formed in the center of the well cover, an operation opening cover connected through a hinge is arranged on the operation opening, a cover locking ring and a detected end of the position detector are arranged on the back face of the operation opening cover, and an opening hooking hole is formed in the front face of the operation opening cover; the back of the well lid is provided with a well lid control system, a detection end of a position detector, a conduit, a peripheral vertical lock ring, an internal vertical normally open ring lock, a transverse normally closed ring lock and a wireless power supply, wherein the internal vertical normally open ring lock comprises a first ring lock shell, a first ring lock cylinder and an internal vertical normally open ring lock cylinder controller, the transverse normally closed ring lock comprises a second ring lock shell, a second ring lock cylinder and a transverse normally closed ring lock cylinder controller, the number of the peripheral vertical lock ring and the internal vertical normally open ring lock is equal to that of jacks, the internal vertical normally open ring lock is uniformly distributed around an operation opening, an opening is close to a connecting point at the back of the well lid within 60 degrees, the peripheral vertical lock ring is uniformly distributed around the internal vertical normally open ring lock, and when the well lid is covered on a well lid base, the peripheral vertical lock ring, the internal vertical normally open ring lock ring, the transverse normally, The hollow areas in the inserting holes are in the same radial direction, the transverse normally closed ring lock is close to the operation opening, and when the operation opening cover is closed, the transverse normally closed ring lock corresponds to the position of a cover lock ring on the back of the operation opening cover; the well lid control system comprises a master controller, a wireless power supply receiver, a network communication circuit, an alarm and a door lock control circuit; the manhole cover control system controls the opening and closing of the vertical internal normally open ring lock, controls the opening and closing of the transverse normally closed ring lock, monitors the opening and closing of the position detector, executes anti-theft monitoring, keeps data communication with the server, and forbids the wireless power supply to open the transverse normally closed ring lock of the operation port; when the well lid is placed on the well lid base, the center of a peripheral vertical lock ring on the back surface of the well lid, the center of an internal vertical normally open ring lock and the center of an insertion hole on the base are required to be in the same radial direction; the lock bolt is inserted into the inner vertical normally open ring lock, the peripheral vertical lock ring and the base upper insertion hole in sequence along the back of the well lid through the operation opening of the well lid, the lock ring of the lock bolt is naturally sleeved and hung on the inner vertical normally open ring lock from the opening of the inner vertical normally open ring lock, and the well lid base are connected into a whole through the lock bolt.
The well lid control system which works normally refuses to open the transverse normally closed ring lock of the operation opening in a wireless power supply mode, monitors whether the operation opening is opened in a mode of damaging the hinge of the operation opening cover by mechanical force, if so, immediately closes the internal vertical normally open ring lock, locks the lock ring at the tail part of the lock bolt, prevents further illegal opening of the inspection well lid, and pushes alarm information to the server; the operating opening is allowed to be opened in a wireless power supply mode under the condition that the well lid control system has a fault, the internal vertical normally open ring lock is in a normally open state, and a maintainer can take down the lock bolt and open the inspection well lid; the hinge of the operation opening cover is opened in a mechanical force mode under the condition that the internal power supply fault or the well lid control system fault and the unlocking mode of the wireless power supply fails, the locking bolt is taken down from the internal vertical normally open ring lock, the inspection well lid is opened, and therefore the unlocking maintenance cost for locking the well lid lock due to the well lid control system fault is reduced to the minimum.
The vertical normally open ring lock in inside at the well lid back is only dead by well lid control system control lock when well lid control system detects the operation access lid and illegally opened, and all the other times are in normally open state, have reduced the static consumption of system on the one hand, and on the other hand is favorable to the manual work to unblank when the system trouble.
The opening hook hole on the front surface of the operation opening cover is used for opening or closing the operation opening cover.
The operating opening cover supports the well lid control system to unlock, the wireless power supply device is allowed to unlock when the well lid control system fails, the operating opening cover can be opened in a mode of destroying the hinge of the operating opening cover by mechanical force when the wireless power supply device is also failed, and the opening cost of the inspection well lid after the well lid control system fails is reduced to the minimum.
The well lid control system of normal work can be through placing measured end and the sense terminal of the position sensor who sets up on operation flap back and well lid back relevant position, detects whether there is the illegal operation flap condition of opening, if have, well lid control system locks the vertical normally open ring lock in inside at the well lid back at once to immediately to server end propelling movement alarm information.
The inspection well cover is characterized in that an operation opening is formed in the center of the inspection well cover, a manual locking mode that a locking ring of a locking bolt is sleeved on an internal normally-open vertical ring lock is adopted, the operation opening is opened in a mode of damaging an operation opening cover hinge for a maintainer, then the locking bolt sleeved on the internal normally-open vertical ring lock is taken down in a manual mode, the inspection well cover is opened, the problem that the inspection well cover needs to be removed from a roadbed for maintenance due to time and labor is avoided, and the maintenance cost of the inspection well cover due to control system faults is reduced to the minimum.
Inside normally open vertical ring lock controller and horizontal normally closed ring lock post controller, the well lid control system at the well lid back and well lid control system all cover the metal protection to the wire between each ring lock controller, avoid when the operation mouth is illegally opened, the inspection shaft lid is opened to the mode that the intruder destroys master controller and wire through the violence mode.
The locking method of the inspection well cover lock comprises the following steps:
when the well lid control system is normal, the well lid is placed on the well lid base, and the base jack center, the peripheral vertical lock ring center and the internal vertical normally open ring lock center are ensured to be positioned on the same radial direction; the maintenance personnel apply for unlocking permission to the server through the mobile phone terminal, and the server sends an unlocking command to the well lid control system after permission; after receiving an unlocking command, the well lid control system sends a high level from a CP2 pin of the circuit, sends a low level from a CP1 pin of the circuit, and sends the high level of a power supply VCC to the operation port lid transverse normally closed ring lock cylinder controller through T2, D2 and T1 to unlock; putting down the cover of the operation opening and leaking out of the operation opening; the inner vertical normally open ring lock, the peripheral vertical lock ring and the base upper insertion hole are sequentially inserted into the three bolts along the back of the well cover through an operation opening of the well cover, and the lock ring at the tail part of each bolt is sleeved on the ring lock along the notch of the inner normally open vertical ring lock, so that the bolt is prevented from falling off due to external vibration; after the cover is hooked to be flush with the front surface of the well lid through the hooking hole in the front surface of the operation port cover, a maintenance worker requests locking permission to the server through the mobile phone terminal, and the server sends a locking command to the well lid control system after permission; after the well lid control system receives the locking command, a CP2 foot of the slave circuit sends low level, a CP1 foot sends high level, and the locking column controller of the transverse normally closed ring lock of the operation opening cover is locked after losing the high level.
The unlocking method of the inspection well cover lock comprises the following steps:
when the well lid control system is normal, the operating opening cover is hooked to be flush with the front surface of the well lid through an opening hooking hole in the front surface of the operating opening cover, a maintenance worker requests unlocking permission to a server through a mobile phone terminal, and the server sends an unlocking command to the well lid control system after permission; after the well lid control system receives an unlocking command, a CP2 pin of the door lock control circuit sends a high level, a CP1 pin of the door lock control circuit sends a low level, and the transverse normally closed ring lock cylinder controller unlocks after receiving the high level; the operation opening cover is put down; sequentially taking out the lock bolts by hands; opening the well cover; when the well lid control system is abnormal, the wireless power supply transmitter is turned on; the wireless power receiver receives the electromagnetic wave output by the wireless power transmitter and outputs high level, the high level is sent to the transverse closed ring lock controller through a source electrode of T1 and a drain electrode of T1, and the transverse closed ring lock is unlocked; the operation opening cover is put down; sequentially taking out the lock bolts by hands; opening the well cover;
when the well lid control system and the wireless power supply receiver are abnormal at the same time, a heavy object is aligned to a horizontal seam of a hinge of the operation opening cover to be stricken forcefully; after the hinge of the operation opening cover is damaged by external force, the cover can hang on the lock column of the transverse normally closed ring lock of the operation opening cover; sequentially taking out the lock bolts by hands; opening the well cover;
the well lid control system is normal, when the wireless power supply transmitter is used for unlocking in advance, the door lock control circuit CP1 constantly outputs high level, and the source electrode and the drain electrode of the T1 are cut off, so that the high level output by the wireless power supply receiver cannot reach the operation port cover transverse normally closed ring lock cylinder controller, namely, the operation port cover is forbidden to be opened in a wireless power supply mode;
well lid control system is normal, when using violence destruction operation mouth lid in advance: the detected end of the position detector on the operation opening cover is not positioned on the same horizontal line with the detected end of the position detector on the well cover because the operation opening cover falls off, at the moment, the well cover control system receives an edge interruption trigger signal and immediately sends a high-level locking signal to the door lock control circuit to lock all the internal vertical normally open ring locks and lock the locking bolts; the well lid control system immediately pushes alarm information to a server through a network module; the well lid controller sends out sound alarm through the alarm module; waiting for management personnel to handle.
Has the advantages that:
compared with the prior art, when the inspection well cover is abnormal or fails by arranging the operation port on the inspection well cover and matching the mode that the operation port cover is fixed on the inspection well cover through the hinge and the operation port cover transverse normally closed ring lock with the internal vertical normally open ring lock sleeve hanging lock bolt, the inspection well cover can be opened manually by opening the operation port cover through violence, the problem that the inspection well cover with a safety lock needs to be integrally detached from a concrete structure when the inspection well cover control system fails is avoided, and the engineering quantity, the difficulty and the cost of the maintenance of the inspection well cover are reduced to the minimum. And the well lid control system of normal work can lock all inside vertical open-often ring locks when detecting that operation mouth lid is illegally opened to server propelling movement alarm information and sending audible and visual warning, prevent that illegal person of uncapping from further opening the well lid lock, wait for the maintainer to arrive. After the well lid control system breaks down, all inside vertical ring locks are in normally open state, and horizontal normally closed ring lock is in normally closed state, and maintainer also can use wireless power supply ware mode to open operation mouth lid and carry out the manual removal latch and maintain. When the well lid control system is normal, the well lid control system refuses to accept the unlocking of the wireless power supply and the unlocking of the operation opening cover by destroying. The concrete advantages are as follows:
1. the wireless power supply is refused to be used for unlocking when the well lid control system is normal, and the internal vertical normally open ring lock is locked when the condition that the operation opening cover is broken by mechanical force is monitored, so that illegal openers are prevented from further opening the inspection well lid; the manhole cover opening method comprises the following steps that under the condition that a manhole cover control system fails, an operation opening cover is opened in a wireless power supply mode, and then the manhole cover is opened in a mode that a lock bolt sleeved on an internal normally-open vertical ring lock is taken down in a manual mode; the manhole cover unlocking method comprises the following steps that under the conditions that a manhole cover control system fails and a wireless power supply unlocking mode fails, a locking bolt is allowed to be manually taken down by breaking an operation opening cover in a mechanical force mode, the manhole cover is opened, and the unlocking maintenance cost of locking the manhole cover due to the failure of the manhole cover control system is reduced to the minimum;
2. the well lid lock locking mode of the internal vertical normally open ring lock sleeved with the hanging lock bolt greatly reduces the static power consumption of the system, and simultaneously ensures that the internal vertical ring lock sleeved with the hanging lock bolt is in a normally open state after the well lid control system fails, so that a maintainer can conveniently remove the lock bolt manually, and the well lid is opened;
3. the transverse normally closed ring lock of the operation opening cover ensures that the well lid control system is in a locked state when in failure, and prevents illegal personnel from opening the operation opening cover and opening the inspection well lid;
4. when the well lid control system works normally, on one hand, the unlocking mode of the wireless power supply device is refused to be unlocked through the control circuit, on the other hand, whether illegal opening behavior exists or not is detected through the position sensor of the operation opening cover, if the illegal opening behavior exists, the internal vertical normally-open ring lock is immediately locked, and alarm information is pushed to a server or acousto-optic warning is sent out;
5. the breach of the vertical open-loop lock in inside at the well lid back is close to the 60 within ranges of the tie point at the well lid back, has guaranteed when the catch cover of bolt puts on the lock of vertical open-loop lock in inside, prevents that outside vibrations from arousing the bolt landing.
Drawings
FIG. 1 is a schematic view of the structure of a well lid base, 1.1-a jack;
fig. 2 is a schematic view of the back structure of the manhole cover, 2.1-peripheral vertical locking ring; 2.2-internal vertical normally open ring lock; 2.3-conduit; 2.4-the detection end of the position detector; 2.5-transverse normally closed ring lock; 2.6-well lid control system; 2.7-operation port;
FIG. 3 is a back elevation view of the well lid, 2.8-ponding diversion holes;
FIG. 4 is the back of the operating flap, 3.1-the lid lock ring; 3.2-operating the flap; 3.3-hinge; 3.4-the detected end of the position sensor;
FIG. 5 is the front side of the operating flap, 3.5-opening hook hole;
FIG. 6 is a schematic view of the latch construction, 4.1-latch bar; 4.2-tail lock ring;
FIG. 7 is an internal vertical normally open ring lock, 2.2.1 — first ring lock housing; 2.2.2 — first ring lock cylinder; 2.2.3-internal vertical normally open ring lock cylinder controller;
FIG. 8 is a control circuit diagram of the system;
FIG. 9 is a schematic view of a transverse normally closed ring lock, 2.5.1-second ring lock housing; 2.5.2-second ring lock cylinder; 2.5.3 transverse normally closed ring lock cylinder controller.
Detailed Description
The invention will be further described with reference to specific embodiments.
The connection modes between components or modules (such as a mobile phone terminal, a server, etc.) not mentioned in the following embodiments are all connected according to technologies, as long as the functions in the embodiments are guaranteed to be normally implemented.
A manhole cover lock comprises a manhole cover, a manhole cover base and a lock bolt; the manhole cover base is uniformly provided with at least 2 insertion holes, the insertion holes are positioned on a waist line below the protruding edge of the manhole cover base, and the lock bolt comprises a lock bolt rod and a lock ring positioned at the tail part of the lock bolt rod; an operation opening is formed in the center of the well cover, an operation opening cover connected through a hinge is arranged on the operation opening, a cover locking ring and a detected end of the position detector are arranged on the back face of the operation opening cover, and an opening hooking hole is formed in the front face of the operation opening cover; the back of the well lid is provided with a well lid control system, a detection end of a position detector, a conduit, a peripheral vertical lock ring, an internal vertical normally open ring lock, a transverse normally closed ring lock and a wireless power supply, wherein the internal vertical normally open ring lock comprises a first ring lock shell, a first ring lock cylinder and an internal vertical normally open ring lock cylinder controller, the transverse normally closed ring lock comprises a second ring lock shell, a second ring lock cylinder and a transverse normally closed ring lock cylinder controller, the number of the peripheral vertical lock ring and the internal vertical normally open ring lock is equal to that of jacks, the internal vertical normally open ring lock is uniformly distributed around an operation opening, an opening is close to a connecting point at the back of the well lid within 60 degrees, the peripheral vertical lock ring is uniformly distributed around the internal vertical normally open ring lock, and when the well lid is covered on a well lid base, the peripheral vertical lock ring, the internal vertical normally open ring lock ring, the transverse normally, The hollow areas in the inserting holes are in the same radial direction, the transverse normally closed ring lock is close to the operation opening, and when the operation opening cover is closed, the transverse normally closed ring lock corresponds to the position of a cover lock ring on the back of the operation opening cover; the well lid control system comprises a master controller, a wireless power supply receiver, a network communication circuit, an alarm and a door lock control circuit; the manhole cover control system controls the opening and closing of the vertical internal normally open ring lock, controls the opening and closing of the transverse normally closed ring lock, monitors the opening and closing of the position detector, executes anti-theft monitoring, keeps data communication with the server, and forbids the wireless power supply to open the transverse normally closed ring lock of the operation port; when the well lid is placed on the well lid base, the center of a peripheral vertical lock ring on the back surface of the well lid, the center of an internal vertical normally open ring lock and the center of an insertion hole on the base are required to be in the same radial direction; the lock bolt is inserted into the inner vertical normally open ring lock, the peripheral vertical lock ring and the base upper insertion hole in sequence along the back of the well lid through the operation opening of the well lid, the lock ring of the lock bolt is naturally sleeved and hung on the inner vertical normally open ring lock from the opening of the inner vertical normally open ring lock, and the well lid base are connected into a whole through the lock bolt.
All the peripheral vertical lock rings, the internal vertical normally open ring locks and the transverse normally closed ring locks are fixed on the back of the well lid in a welding, riveting or bolt mode; the conduit can also be fixed on the back of the well cover in a welding or nut mode; the operation opening cover is fixed on the back of the well cover in a hinge mode, so that after mechanical violent damage, the operation opening cover can still be restored by replacing the hinge; the outside of all the ring lock controllers is completely sealed by a metal shell, and no seam is left between the ring lock controllers and the conduit so as to prevent the outside from being damaged by violence; the inner circuit of the well lid control system is processed according to the IP68 waterproof grade; the number of the water accumulation diversion holes of the well lid can be increased at the proper position of the well lid as required.
In addition, be equipped with ponding water conservancy diversion hole on the well lid, help the water of discharge accumulation on the well lid, guarantee circuit safety. The front and back sides mentioned in the above structure are defined in terms of vertical direction.
The door lock control circuit diagram works in the following modes: the wireless power receiver Wre is connected with the anode of the diode D1, and the cathode of the D1 is connected with the source of the PMOS T1; the drain of T1 controls the ring lock of the operation opening cover; the power supply Vcc is connected with the drain electrode of the NMOS T2; the source of T2 is connected to the anode of diode D2; the cathode of diode D2 is connected to the source of T2; the CP1 pin of the master Mcu is connected to the gate of T1, and the CP2 pin is connected to the gate of T2; a resistor R is connected in series between the gate of T1 and ground.
Embodiment 1 when the well lid controller is normal, the basic steps of closing the well lid are as follows
When the well lid control system works normally, the well lid is placed on the well lid base, and the center of the jack, the center of the peripheral vertical locking ring and the center of the internal vertical normally open ring lock are located at the same radial position; the maintenance personnel apply for unlocking permission to the server through the mobile phone terminal, and send an unlocking command to the well lid control system after the service permission; after receiving an unlocking command, the well lid control system sends a high level from a CP2 pin of the door lock control circuit, sends a low level from a CP1 pin of the door lock control circuit, and unlocks after the high level of a power supply VCC is sent to a transverse normally closed ring lock cylinder controller through T2, D2 and T1; the operation opening cover is put down to expose the operation opening; the inner vertical normally open ring lock, the peripheral vertical lock ring and the base upper insertion hole are sequentially inserted outwards along the back surface of the well lid through an operation opening of the well lid, all the lock bolts are inserted according to the operation, and the lock ring at the tail part of each lock bolt is sleeved on the inner vertical normally open ring lock along the notch of the inner normally open vertical ring lock to prevent the lock bolts from falling off caused by external vibration; after the cover is hooked to be flush with the front surface of the well lid through the opening hook hole in the front surface of the operation opening cover, a maintenance worker applies for locking permission to the server through the mobile phone terminal, and the server sends a locking command to the well lid control system after permission; after the well lid control system receives the locking command, a CP2 pin of the door lock control circuit sends a low level, a CP1 pin sends a high level, and the transverse normally closed ring lock column controller is locked after losing the high level.
Embodiment 2 when the well lid controller is normal, the basic steps of opening the well lid are as follows
When the well lid control system is normal, the operating opening cover is hooked to be flush with the front surface of the well lid through the opening hooking hole in the front surface of the operating opening cover, a maintainer applies unlocking permission to the server through the mobile phone terminal, and the server sends an unlocking command to the well lid control system after permission; after the well lid control system receives an unlocking command, a CP2 pin of the door lock control circuit sends a high level, a CP1 pin of the door lock control circuit sends a low level, and the transverse normally closed ring lock cylinder controller unlocks after receiving the high level; the operation opening cover is put down; sequentially taking out the three bolts by hand; and opening the well cover.
Embodiment 3 uncapping step when well lid control system is abnormal
When the well lid control system is abnormal, the wireless power supply transmitter is turned on; the wireless power receiver receives the electromagnetic wave output by the wireless power transmitter and then outputs high level, the high level is sent to the ring lock controller of the operation opening cover from the source of T1 to the drain of T1, and the transverse normally closed ring lock is unlocked; the operation opening cover is put down; sequentially taking out the lock bolts by hands; and opening the well cover.
Embodiment 4 cover opening procedure when well lid control system is abnormal and wireless power receiver is also abnormal
When the well lid control system and the wireless power supply receiver are abnormal at the same time, a heavy object is aligned to a horizontal seam on the surface of the inspection well lid above a hinge of the operation opening lid and is used for forcefully slamming; after the hinge of the operation opening cover is damaged by external force, the cover can hang on the lock column of the transverse normally closed ring lock of the operation opening cover; sequentially taking out the lock bolts by hands; and opening the well cover.
Embodiment 5 well lid control system is normal, when using wireless power source sender to unblank in advance:
the well lid control system is normal, when the wireless power supply is used for unlocking in advance, the door lock control circuit CP1 constantly outputs high level, and the source electrode and the drain electrode of the T1 are cut off, so that the high level output by the wireless power supply receiver cannot reach the operation port cover transverse normally closed ring lock column controller, namely, the operation port cover is forbidden to be opened in a wireless power supply mode.
Example 6 well lid control system normal, when the force of violence was used to destroy the access port lid:
the detected end of the position detector on the operation opening cover is not positioned on the same horizontal line with the detection end of the position detector on the well cover because the operation opening cover falls off, at the moment, the well cover control system receives an edge interruption trigger signal and immediately sends a high-level locking signal to the door lock control circuit to lock all the internal vertical normally open ring locks and lock the locking bolts; the well lid control system immediately pushes alarm information to a server through a network module; the manhole cover controller sends out sound and light alarm through the alarm module; waiting for management personnel to handle.
Claims (1)
1. A lock for a manhole cover is characterized by comprising a manhole cover, a manhole cover base and a lock bolt; the manhole cover base is uniformly provided with at least 2 insertion holes, the insertion holes are positioned on a waist line below the protruding edge of the manhole cover base, and the lock bolt comprises a lock bolt rod and a lock ring positioned at the tail part of the lock bolt rod; an operation opening is formed in the center of the well cover, an operation opening cover connected through a hinge is arranged on the operation opening, a cover locking ring and a detected end of the position detector are arranged on the back face of the operation opening cover, and an opening hooking hole is formed in the front face of the operation opening cover; the back of the well lid is provided with a well lid control system, a detection end of a position detector, a conduit, a peripheral vertical lock ring, an internal vertical normally open ring lock, a transverse normally closed ring lock and a wireless power supply, wherein the internal vertical normally open ring lock comprises a first ring lock shell, a first ring lock cylinder and an internal vertical normally open ring lock cylinder controller, the transverse normally closed ring lock comprises a second ring lock shell, a second ring lock cylinder and a transverse normally closed ring lock cylinder controller, the number of the peripheral vertical lock ring and the internal vertical normally open ring lock is equal to that of jacks, the internal vertical normally open ring lock is uniformly distributed around an operation opening, an opening is close to a connecting point at the back of the well lid within 60 degrees, the peripheral vertical lock ring is uniformly distributed around the internal vertical normally open ring lock, and when the well lid is covered on a well lid base, the peripheral vertical lock ring, the internal vertical normally open ring lock ring, the transverse normally, The hollow areas in the inserting holes are in the same radial direction, the transverse normally closed ring lock is close to the operation opening, and when the operation opening cover is closed, the transverse normally closed ring lock corresponds to the position of a cover lock ring on the back of the operation opening cover; the well lid control system comprises a master controller, a wireless power supply receiver, a network communication circuit, an alarm and a door lock control circuit; the manhole cover control system controls the opening and closing of the vertical internal normally open ring lock, controls the opening and closing of the transverse normally closed ring lock, monitors the opening and closing of the position detector, executes anti-theft monitoring, keeps data communication with the server, and forbids the wireless power supply to open the transverse normally closed ring lock of the operation port; when the well lid is placed on the well lid base, the center of a peripheral vertical lock ring on the back surface of the well lid, the center of an internal vertical normally open ring lock and the center of an insertion hole on the base are required to be in the same radial direction; the lock bolt is inserted into the inner vertical normally open ring lock, the peripheral vertical lock ring and the base upper insertion hole in sequence along the back of the well lid through the operation opening of the well lid, the lock ring of the lock bolt is naturally sleeved and hung on the inner vertical normally open ring lock from the opening of the inner vertical normally open ring lock, and the well lid base are connected into a whole through the lock bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921784775.7U CN212358382U (en) | 2019-10-23 | 2019-10-23 | Manhole cover lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921784775.7U CN212358382U (en) | 2019-10-23 | 2019-10-23 | Manhole cover lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212358382U true CN212358382U (en) | 2021-01-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921784775.7U Active CN212358382U (en) | 2019-10-23 | 2019-10-23 | Manhole cover lock |
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| CN (1) | CN212358382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700324A (en) * | 2019-10-23 | 2020-01-17 | 盐城工学院 | Inspection well cover lock and locking and unlocking method thereof |
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2019
- 2019-10-23 CN CN201921784775.7U patent/CN212358382U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700324A (en) * | 2019-10-23 | 2020-01-17 | 盐城工学院 | Inspection well cover lock and locking and unlocking method thereof |
| CN110700324B (en) * | 2019-10-23 | 2024-02-20 | 盐城工学院 | Inspection well cover lock and locking and unlocking method thereof |
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