CN216272555U - Car safety lock for elevator power failure - Google Patents
Car safety lock for elevator power failure Download PDFInfo
- Publication number
- CN216272555U CN216272555U CN202123029340.1U CN202123029340U CN216272555U CN 216272555 U CN216272555 U CN 216272555U CN 202123029340 U CN202123029340 U CN 202123029340U CN 216272555 U CN216272555 U CN 216272555U
- Authority
- CN
- China
- Prior art keywords
- locking
- elevator
- power supply
- locking mechanism
- safety lock
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a car safety lock for elevator power failure, and mainly relates to the field of elevator safety. Comprises a base, a standby power supply, a locking mechanism and a driving mechanism; the front end of the base is provided with a lock head, the lock head is provided with a guide rail seam, one end of the locking mechanism is arranged in the lock head and is matched with the guide rail seam, the other end of the locking mechanism is arranged in the base and is driven by the driving mechanism, the driving mechanism can be self-locked, and the standby power supply is electrically connected with the driving mechanism. The driving mechanism comprises a servo motor and a speed reducing mechanism, and the servo motor drives the locking mechanism through the speed reducing mechanism. The utility model has the beneficial effects that: the lift car safety lock for the elevator power failure locks the lift car on the guide rail through the self-locking mechanism, so that the lift car can be prevented from shaking during the power failure; can be controlled by an independent control mechanism, and can inform trapped people by a self-contained standby power supply without being influenced by the fault of a point elevator control system.
Description
Technical Field
The utility model relates to the field, in particular to a car safety lock for elevator power failure.
Background
The power-off leveling device suddenly encounters a power supply system fault (power failure, phase failure and fire) when the elevator on the way, the device automatically switches and works, takes over all control rights of the elevator, outputs electric energy required by the elevator, moves the elevator to a leveling position, and opens a car door to enable passengers to safely walk out of the elevator. Generally, when a building is designed, a building design unit determines a power supply mode of the building according to the importance degree and the use property of the building, and determines how to configure a floor-breaking device. And the elevator product itself has no provision for the way of supplying power. Dual power supply systems are particularly important for high-rise buildings, but are expensive to deploy and few developers have implemented this standard for economic reasons.
Most of the existing elevators are braked only by a brake on a traction machine when power is off, and because the existing elevator control system has the condition of system disorder, particularly system data error caused by abnormal power failure, the elevator can be directly operated easily when power is on. Trapped people can not wait for incoming calls and rescue stably, and want to escape from the elevator quickly by all methods, and if the elevator suddenly receives an incoming call in the escape process, sudden casualties can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a car safety lock for elevator power failure, which can lock a car when the elevator has power failure, inform trapped people by a self-contained standby power supply and send the information to an elevator control system; the elevator can not be unlocked immediately when the elevator is powered on, a stop signal is sent to the elevator control system firstly, the elevator can be unlocked when the car door is closed and waits for a certain time or the trapped person is determined, and a working signal is sent to the elevator control system after the device is unlocked.
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a car safety lock for elevator power failure comprises a base, a standby power supply, a locking mechanism and a driving mechanism;
the locking mechanism is characterized in that a lock head is arranged at the front end of the base, a guide rail seam is arranged on the lock head, one end of the locking mechanism is arranged in the lock head and is matched with the guide rail seam, the other end of the locking mechanism is arranged in the base and is driven by a driving mechanism, the driving mechanism can be self-locked, and the standby power supply is electrically connected with the driving mechanism.
The driving mechanism comprises a servo motor and a speed reducing mechanism, and the servo motor drives the locking mechanism through the speed reducing mechanism.
The speed reducing mechanism is a worm gear speed reducer, the driving mechanism can be self-locked through the worm gear speed reducer, the output end of the worm gear speed reducer is provided with locking teeth, and the tops of the locking teeth are provided with corresponding supporting pieces.
The locking mechanism comprises a pair of connecting rods, the front ends of the connecting rods are hinged with braking clamping plates, the braking clamping plates are arranged in the lock head and adapted to the guide rail gap, and the connecting rods are hinged with the lock head.
The connecting rod is connected with the brake clamping plate through the connecting rod, the brake clamping plate is arranged on the connecting rod, the connecting rod is connected with the brake clamping plate through the connecting rod, the connecting rod is hinged to a connecting rack which is matched with the locking teeth, the connecting rack is matched with the locking teeth, a sliding limiting part which is matched with the locking teeth is arranged on the connecting rack, and the driving mechanism drives the connecting rack to drive the locking mechanism to move through the locking teeth.
Friction plates are arranged on the surfaces of the pair of brake clamping plates.
The rear end of the base is provided with a control mechanism, and the control mechanism is electrically connected between the standby power supply and the driving mechanism.
Compared with the prior art, the utility model has the beneficial effects that:
the lift car safety lock for the elevator power failure locks the lift car on the guide rail through the self-locking mechanism, so that the lift car can be prevented from shaking during the power failure; the control of an independent control mechanism can be realized, and the trapped people can be informed through a self-contained standby power supply, so that the influence of the fault of a point elevator control system is avoided; the elevator can not be unlocked immediately when the elevator is in a call, and can be safely unlocked when waiting for a certain time or being determined by trapped people, and a signal for continuing running is sent to an elevator control system.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the locking mechanism of the present invention.
FIG. 3 is a schematic view of the remaining structure of the present invention with the locking mechanism removed.
Fig. 4 is a schematic view of the installation state of the present invention.
Reference numerals shown in the drawings:
1. a base; 2. a standby power supply 2; 3. a lock head; 4. a guide rail seam; 5. a servo motor; 6. a worm gear reducer; 7. a locking tooth; 8. a support member; 9. a connecting rod; 10. braking the clamping plate; 11. connecting the racks; 12. a slide restraint; 13. a friction plate.
Detailed Description
The utility model will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The utility model relates to a car safety lock for elevator power failure, which comprises a main structure, a safety lock mechanism and a safety lock mechanism, wherein the main structure comprises a base 1, a standby power supply 2, a locking mechanism and a driving mechanism;
the utility model discloses a support structure, including base 1, tapered end 3, guide rail seam 4, tapered end 3 with guide rail seam 4, tapered end 3 is established at base 1 front end, can play the effect of spacing support, and tapered end 3 structure and base 1 integration preparation, the sound construction is the main bearing structure of this structure. One end of the locking mechanism is arranged in the lock head 3 and is matched with the guide rail gap 4, the guide rail gap 4 is matched with the guide rail when the device is installed on the car, and the locking mechanism locks the guide rail in the guide rail gap 4 to further play a role in locking. The other end of the locking mechanism is arranged in the base 1 and is driven by the driving mechanism, the driving mechanism is arranged in the base 1 and drives the locking mechanism to be far away from one end of the lock head 3, the driving mechanism can drive the locking mechanism by using smaller force through a lever principle, and the firmness of the locking mechanism is improved. The driving mechanism can be self-locked, and the locking mechanism does not need to be powered on all the time when being locked through self-locking of the driving mechanism, so that the power consumption of the standby power supply 2 can be reduced, and the device can be ensured to be capable of running to the elevator for incoming calls. Stand-by power supply 2 and actuating mechanism electric connection through electric connection stand-by power supply 2 and actuating mechanism, can supply power for drive arrangement through stand-by power supply 2 when the elevator has a power failure, through electric control actuating mechanism.
The driving mechanism comprises a servo motor 5 and a speed reducing mechanism, the servo motor 5 drives the locking mechanism through the speed reducing mechanism, the locking mechanism is driven by the servo motor 5 through the speed reducing mechanism, large force can be applied to the locking mechanism, and the reliability of the device is guaranteed.
The reduction gears is worm gear speed reducer 6, actuating mechanism can carry out the auto-lock through worm gear speed reducer 6, with worm gear speed reducer 6 as reduction gears, can export great moment of torsion through small-size motor, through the good self-locking function of worm gear speed reducer 6, makes the device self-locking function more reliable. The output end of the worm gear speed reducer 6 is provided with a locking tooth 7, the locking tooth 7 is arranged at the output end of the worm gear speed reducer 6 and can output the torque of the worm gear speed reducer 6 through the locking tooth 7, the top of the locking tooth 7 is provided with a corresponding supporting piece 8, and the supporting piece 8 is arranged at the top of the locking tooth 7 and is matched with the locking tooth, so that the effect of preventing the locking tooth 7 from being skewed and broken can be achieved.
The clamping and locking mechanism comprises a pair of connecting rods 9, the front ends of the connecting rods 9 are hinged with braking clamping plates 10, the braking clamping plates 10 are hinged to the front ends of the connecting rods 9 respectively, and driving force can be saved through the lever principle. The pair of the braking clamping plates 10 are arranged in the lock head 3 and are matched with the guide rail seam 4, the pair of braking clamping plates 10 matched with the guide rail seam 4 are arranged in the lock head 3, and the braking clamping plates 10 can be attached to the guide rail through small-amplitude rotation of the hinged part when the locking mechanism is clamped, so that the locking effect of the locking mechanism is improved. The pair of connecting rods 9 are hinged with the lock head 3, the lock head 3 is hinged with the pair of connecting rods 9, the hinged position can be used as a fulcrum of a lever, the connecting rods 9 are used as levers, and the driving mechanism can provide large acting force for the brake clamping plate 10 through small force, so that the locking effect of the device is improved;
when the device is locked, the driving mechanism controls the rear ends of the pair of connecting rods 9 to be away from each other, so that the pair of connecting rods 9 rotate around the hinged part of the connecting rods 9 and the lock head 3, the distance between the pair of brake clamping plates 10 is reduced through the front ends of the connecting rods 9, and the brake clamping plates 10 are clamped on the guide rail.
One end of the connecting rod 9 far away from the brake clamping plate 10 is hinged with a connecting rack 11 matched with the locking teeth 7, the connecting rack 11 and the locking teeth 7 are matched and arranged at one end of the connecting rod 9 far away from the brake clamping plate 10 respectively, the rotating motion of the locking teeth 7 can be converted into the horizontal motion of the connecting rack 11, and then the connecting rod 9 is controlled to rotate around the hinged position of the connecting rod 9 and the lock head 3 through the horizontal motion of the connecting teeth, so that the locking action of the device is realized. The connecting rack 11 is provided with a corresponding sliding limiting part 12, the sliding limiting part 12 is correspondingly arranged on the connecting rack 11, the connecting rack 11 can be limited on the locking teeth 7, when the connecting rod 9 rotates around the hinged position of the connecting rod 9 and the lock head 3, one end of the connecting rod 9 hinged with the connecting rack 11 inevitably displaces forwards and backwards, in order to ensure effective transmission between the locking teeth 7 and the connecting rack 11, the sliding limiting part 12 can displace in a small range in the front and back direction, and the parallel connection of the connecting racks 11 is ensured. The sliding limiting piece 12 is matched with the locking tooth 7, the locking tooth 7 is matched with the sliding limiting piece 12, and therefore the locking tooth 7 and the sliding limiting piece 12 cannot interfere with each other when the sliding limiting piece 12 slides. The driving mechanism drives the connecting rack 11 to drive the locking mechanism to act through the locking teeth 7.
The friction plates 13 are respectively arranged on the surfaces of the pair of brake clamping plates 10, and the friction plates 13 are respectively arranged on the pair of brake clamping plates 10 to prevent the brake clamping plates 10 from slipping when the brake clamping plates 10 clamp the guide rail. In addition, the friction plate 13 has certain elasticity, and can store the acting force of the brake clamping plate 10 on the guide rail, so that the locking effect of the device is improved, and the reliability of the device is ensured when the car shakes.
The elevator control system is characterized in that a control mechanism is arranged at the rear end of the base 1 and electrically connected between the standby power supply 2 and the driving mechanism, the control mechanism is arranged at the rear end of the base 1 and electrically connected between the standby power supply 2 and the driving mechanism, and the control mechanism and the elevator car control system are separately arranged, so that the elevator control system can operate independently and is not controlled by the elevator control system, and the situation that the elevator control system fails to operate due to faults is prevented. In addition, the control mechanism incorporates a monitoring line into the monitoring switch of the car door when the control mechanism is installed, and can detect the open/close state of the car door through the monitoring switch of the car door, thereby being not affected by the elevator control system.
The using method comprises the following steps:
the device is arranged on the top of a car frame through a base 1, a guide rail seam 4 is matched with a guide rail (as shown in a figure 4 in the attached drawing of the specification), a monitoring switch of a car door is connected with the device in parallel, the device can detect the opening and closing state of a car door through the monitoring switch of the car door, and for a goods elevator and a large elevator, the two devices can be respectively arranged at the guide rails at two sides and controlled by the same control system.
When the elevator is in power failure, the control mechanism firstly detects the power failure of the elevator, controls the servo motor 5 to rotate, slowly clamps the guide rail by the brake clamping plate 10 through transmission in the device until the lift car is locked on the guide rail, and informs trapped people of the power failure condition of the elevator through display equipment in the elevator, such as an advertisement display screen, a projector and the like, so as to trigger an emergency calling device;
when the elevator is powered on, the control mechanism firstly controls the elevator to stop, informs the trapped person of making a preparation for the power on through a display device in the elevator, detects the opening and closing state of a car door through a monitoring switch of the car door, informs the trapped person of closing the car door or closing the car door through a car control system if the car door is in an opening state, does not perform any action on the device before the car door is closed, firstly informs the trapped person of that the elevator is about to start if the car door is closed, controls the servo motor 5 to rotate, releases the brake clamping plate 10 through internal transmission of the device, and then controls the elevator to continue running.
Claims (7)
1. A car safety lock for elevator has a power failure, its characterized in that: comprises a base (1), a standby power supply (2), a locking mechanism and a driving mechanism;
the utility model discloses a locking mechanism, including base (1), locking mechanism, drive mechanism, stand-by power supply (2), stand-by power supply, base (1) front end is equipped with tapered end (3), be equipped with guide rail seam (4) on tapered end (3), locking mechanism one end is established and is adapted to guide rail seam (4) in tapered end (3), the locking mechanism other end is established and is driven through actuating mechanism in base (1), actuating mechanism can the auto-lock, stand-by power supply (2) are connected with the actuating mechanism electricity.
2. A car safety lock for elevator blackout as claimed in claim 1, wherein: the driving mechanism comprises a servo motor (5) and a speed reducing mechanism, and the servo motor (5) drives the locking mechanism through the speed reducing mechanism.
3. A car safety lock for elevator blackout as claimed in claim 2, wherein: the speed reducing mechanism is a worm and gear speed reducer (6), the driving mechanism can carry out self-locking through the worm and gear speed reducer (6), the output end of the worm and gear speed reducer (6) is provided with locking teeth (7), and the tops of the locking teeth (7) are provided with supporting pieces (8) which are adaptive to each other.
4. A car safety lock for elevator blackout as claimed in claim 3, wherein: the locking mechanism comprises a pair of connecting rods (9), the front ends of the connecting rods (9) are hinged with brake clamping plates (10), the brake clamping plates (10) are arranged in the lock head (3) to be matched with the guide rail seam (4), and the connecting rods (9) are hinged with the lock head (3).
5. A car safety lock for elevator blackout as claimed in claim 4, wherein: one end of the connecting rod (9) far away from the brake clamping plate (10) is hinged with a connecting rack (11) matched with the locking teeth (7), the connecting rack (11) is matched with the locking teeth (7), a sliding limiting part (12) matched with the connecting rack (11) is arranged on the connecting rack (11), the sliding limiting part (12) is matched with the locking teeth (7), and the driving mechanism drives the connecting rack (11) to drive the locking mechanism to move through the locking teeth (7).
6. A car safety lock for elevator blackout as claimed in claim 5, wherein: friction plates (13) are arranged on the surfaces of the pair of brake clamping plates (10).
7. A car safety lock for elevator blackout according to any one of claims 1 to 6, wherein: the rear end of the base (1) is provided with a control mechanism, and the control mechanism is electrically connected between the standby power supply (2) and the driving mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029340.1U CN216272555U (en) | 2021-12-03 | 2021-12-03 | Car safety lock for elevator power failure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123029340.1U CN216272555U (en) | 2021-12-03 | 2021-12-03 | Car safety lock for elevator power failure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216272555U true CN216272555U (en) | 2022-04-12 |
Family
ID=81042644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123029340.1U Active CN216272555U (en) | 2021-12-03 | 2021-12-03 | Car safety lock for elevator power failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216272555U (en) |
-
2021
- 2021-12-03 CN CN202123029340.1U patent/CN216272555U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208037802U (en) | A kind of drag device with safety tongs | |
| CN101472825B (en) | Safety device for ensuring minimum space on top or bottom of elevator well channel when examining as well as elevator with the safety device | |
| CN110872041B (en) | Elevator electrical safety actuator control | |
| US5693919A (en) | Evacuation system for elevators | |
| JP5320422B2 (en) | Elevator control device and control method thereof | |
| CN104118784B (en) | A kind of flat bed anti-slip dynamic method and device of elevator | |
| CN101588979A (en) | Elevator apparatus | |
| CN105480890B (en) | Disc locking device and braking method thereof | |
| CN105540378A (en) | Protection system for preventing elevator car from moving by accident | |
| CN101704463B (en) | Safety protecting system of elevator door zone | |
| CN106882666A (en) | Elevator emergency voice activated control and method | |
| CN109466987A (en) | A kind of elevator safety rescue system and the rescue mode based on it | |
| CN216272555U (en) | Car safety lock for elevator power failure | |
| CN205132808U (en) | Adopt electrical control's system of falling that prevents | |
| CN109650210A (en) | A method of preventing carriage accidental movement | |
| CN205906844U (en) | Prevent unexpected protection device who removes of elevator | |
| CN106115437B (en) | Elevator door control assembly | |
| JP5939845B2 (en) | Hydraulic elevator and method for preventing opening of hydraulic elevator | |
| CN105565110A (en) | Electromagnetic retarding device for elevators | |
| CN107010519B (en) | Synchronous door knife device with car door lock for elevator | |
| CN205023647U (en) | Unexpected protection device and brake unit of removing of elevator car | |
| CN108773742A (en) | Method for security protection, electric life controller and elevator device is driven by force | |
| CN205739870U (en) | A kind of safety device preventing accidental movement of elevator cage | |
| JP5609268B2 (en) | Winding cylinder type elevator door opening prevention system | |
| CN105668394A (en) | Self-locking type elevator assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |