CN112320535B - Safe car device for elevator - Google Patents
Safe car device for elevator Download PDFInfo
- Publication number
- CN112320535B CN112320535B CN202011263429.1A CN202011263429A CN112320535B CN 112320535 B CN112320535 B CN 112320535B CN 202011263429 A CN202011263429 A CN 202011263429A CN 112320535 B CN112320535 B CN 112320535B
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- unit
- elevator
- clamping plate
- safety
- worm
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/18—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well and applying frictional retarding forces
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a safety car device for an elevator, relates to the technical field of elevator safety, and solves the problem that passengers cannot save themselves when an elevator car is locked by a safety clamp in the prior art, and the technical key points are as follows: including car body and safety unit, the safety unit includes: a clamp plate unit for braking the elevator; a clamp plate driving unit for driving the clamp plate units to approach or separate from each other; a main driving unit for recognizing a stall state of the elevator and controlling the clamp plate units to approach or separate from each other by the clamp plate driving unit; a manual manipulation unit for manually controlling the splint driving unit; the invention can control the clamping force of the clamping plate unit to the guide rail to be gradually reduced through the manual control unit, so that the elevator can slowly descend to the elevator opening, and passengers can pry the elevator door to save themselves.
Description
Technical Field
The invention relates to the technical field of elevator safety, in particular to a safety car device for an elevator.
Background
Along with the process of urbanization, more and more people live in the building, and the elevator is the necessary transportation equipment of high floor for transporting people or goods to preset floor.
The elevator safety tongs are a safety device which is used for emergently stopping the elevator car and clamping the elevator car on the guide rail under the control of the speed limiter when the elevator has serious faults such as overspeed, rope breakage and the like, and the elevator safety tongs provide effective protection effect on the safe operation of the elevator.
The safety tongs in the prior art clamp down the elevator guide rail after the elevator can stop at a certain position in the elevator shaft under the control of overspeed governor, at this moment, the passenger need wait for rescue personnel to rescue in the elevator, and rescue personnel generally need longer time to reach the elevator position, and the passenger can't save oneself in the elevator during this period to cause passenger scare, in addition, still take place the secondary accident easily waiting for the in-process of rescue, for example, the safety tongs is invalid, therefore, we have proposed a safety car device for elevator.
Disclosure of Invention
The invention aims to solve the technical problem that passengers cannot save themselves when a safety gear is locked in an elevator car in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
a safety car device for an elevator, comprising a car body and a safety unit arranged inside the car body and used for braking the car body when the car body stalls, wherein the safety unit is arranged in a control cabin and comprises:
the clamping plate units are arranged on two sides of guide rails which are fixed on the elevator shaft and arranged on two sides of the car body, and are used for braking the elevator;
the clamping plate driving unit is connected with the clamping plate unit and is used for driving the clamping plate units to approach or move away from each other;
the main driving unit is connected with the clamping plate driving unit and used for identifying the stalling state of the elevator, and the main driving unit controls the clamping plate units to approach or move away from each other through the clamping plate driving unit;
a manual manipulation unit for manually controlling the clamp plate driving unit such that a clamping force of the clamp plate unit to the guide rail is gradually reduced.
As a further scheme of the invention, the interior of the car body is divided into a passenger cabin and a control cabin by a partition plate, and an operation cover is arranged on the partition plate.
As a further scheme of the invention, the clamping plate unit comprises a clamping plate, a clamping block and a first spring, the clamping block is connected with the clamping plate in a sliding manner, the first spring is sleeved on the clamping block, two ends of the first spring are respectively contacted with the clamping block and the clamping plate, the first spring is in a compressed state, and the clamping block is pressed on the guide rail when the clamping plates are close to each other.
As a further scheme of the invention, the splint driving unit comprises a screw rod and a driving rod, two groups of threads with opposite rotation directions are arranged on the screw rod, two ends of the screw rod are arranged on an outer support arranged in the control cabin, a first worm wheel is fixedly connected in the middle of the screw rod, the driving rod is arranged on an inner support arranged in the car body, two ends of the driving rod are provided with worms, and the worms are meshed with the first worm wheel.
As a further scheme of the invention, rods are further arranged on two sides of the inner support, and the guide rods are connected with the clamping plates in a sliding mode.
As a further scheme of the invention, the inner support is also provided with a roller wheel, the roller wheel is arranged on the inner support through a bearing, the guide rail is provided with a roller wheel groove, the roller wheel is arranged in the roller wheel groove, two sides of the guide rail are also provided with fixed wing plates, and the fixed wing plates are provided with mounting holes.
As a further scheme of the invention, the manual control unit comprises a second worm wheel and a second worm, the second worm wheel is fixedly connected to the driving rod, the second worm is installed in the control cabin through a bearing, the second worm is meshed with the second worm wheel, and a hand wheel is arranged on the second worm.
As a further scheme of the invention, the main driving unit comprises a driving motor, a power supply module and a control module, wherein the driving motor is fixedly connected with a driving wheel, the driving rod is fixedly connected with a driven wheel, and the driving wheel is connected with the driven wheel; the power supply module comprises a storage battery and a charge-discharge module, the storage battery is used for supplying power to the main driving unit when the elevator is in power failure, the charge-discharge module is used for intelligently supplying power and increasing or decreasing voltage to the storage battery, and the charge-discharge module is electrically connected with the storage battery and the driving motor; the control module is used for detecting a stall state and controlling the power on and power off of the driving motor; the control module comprises a microprocessor and an acceleration sensor.
In conclusion, compared with the prior art, the invention has the following beneficial effects:
1. the invention can control the clamping force of the clamping plate unit to the guide rail to be gradually reduced through the manual control unit, so that the elevator can slowly descend to the elevator opening, and passengers can pry the elevator door to save themselves.
2. The elevator can be controlled to brake in a stalling state, the elevator is prevented from falling, and the elevator can effectively protect the safety of passengers.
Drawings
Fig. 1 is a schematic structural view of a safety car device for an elevator.
Fig. 2 is a schematic view of a safety unit in a safety car device for an elevator.
Fig. 3 is a schematic view of the structure of a guide rail in a safety car device for an elevator.
Fig. 4 is a schematic view of a structure of a clamp plate in a safety car device for an elevator.
Reference numerals: 1-car body, 11-passenger cabin, 12-control cabin, 13-outer bracket, 14-inner bracket, 15-operating cover, 2-guide rail, 21-roller groove, 22-fixed wing plate, 3-clamping plate unit, 31-clamping plate, 32-clamping block, 33-first spring, 4-roller, 5-guide rod, 6-clamping plate driving unit, 61-lead screw, 62-first worm wheel, 63-driving rod, 64-worm, 7-main driving unit, 71-driving motor, 72-driving wheel, 73-driven wheel, 8-manual control unit, 81-second worm wheel, 82-second worm wheel and 83-hand wheel.
Detailed Description
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 only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Shown by figure 1, a safe car device for elevator, including car body 1 and set up inside car body 1, be used for the safety unit to car body 1 braking when car body 1 stalls, car body 1 is interior to be divided into passenger cabin 11 and control cabin 12 by the baffle, is equipped with operating cover 15 on the baffle, the safety unit sets up in control cabin 12, the safety unit includes:
the clamping plate units 3 are arranged on two sides of the guide rails 2 which are fixed on the elevator shaft and arranged on two sides of the car body 1, and the clamping plate units 3 are used for braking the elevator;
as shown in fig. 3, the clamping plate unit 3 includes a clamping plate 31, a clamping block 32 and a first spring 33, the clamping block 32 is slidably connected with the clamping plate 31, the first spring 33 is sleeved on the clamping block 32, two ends of the first spring 33 are respectively contacted with the clamping block 32 and the clamping plate 31, the first spring 33 is in a compressed state, the clamping block 32 is pressed on the guide rail 2 when the clamping plates 31 approach each other, the first spring 33 is further compressed, when the clamping force of the clamping block 32 on the guide rail 2 reaches a preset value, the friction force between the clamping block 32 and the guide rail 2 can fix the car body 1 on the guide rail 2, when the clamping plate 31 moves away from the guide rail 2, due to the action of the first spring 33, the clamping block 32 is still clamped on the guide rail 2, at this time, the clamping force of the clamping block 32 on the guide rail 2 is reduced, the friction force between the clamping block 32 and the guide rail 2 is reduced, the car body 1 slowly moves downwards under the action of gravity, when the car body 1 moves to the position of the outer door of the elevator, the clamping plates 31 are controlled to approach each other again, at the moment, the clamping blocks 32 fix the car body 1 to the guide rails 2 again, and at the moment, passengers can pry the car door of the car body 1 open;
a clamp driving unit 6, the clamp driving unit 6 being connected to the clamp units 3, the clamp driving unit 6 being adapted to drive the clamp units 3 toward or away from each other;
the splint driving unit 6 comprises a screw rod 61 and a driving rod 63, two groups of threads with opposite rotation directions are arranged on the screw rod 61, two ends of the screw rod 61 are arranged on the outer support 13 arranged in the control cabin 12, a first worm wheel 62 is fixedly connected in the middle of the screw rod 61, the driving rod 63 is arranged on the inner support 14 arranged in the control cabin 12, two ends of the driving rod 63 are provided with worms 64, the worms 64 are meshed with the first worm wheel 62, when the driving rod 63 rotates, the driving rod 63 drives the worms 64 to rotate, the worms 64 drive the screw rod 61 to rotate, and when the screw rod 61 rotates, the splints 31 can be driven to approach or move away from each other;
a main driving unit 7, the main driving unit 7 being connected to the jaw driving unit 6, the main driving unit 7 being used to recognize an elevator stall state and the main driving unit 7 controlling the jaw units 3 to approach or separate from each other through the jaw driving unit 6;
the main driving unit 7 comprises a driving motor 71, a power supply module and a control module, wherein a driving wheel 72 is fixedly connected to the driving motor 71, a driven wheel 73 is fixedly connected to the driving rod 63, the driving wheel 72 is connected with the driven wheel 73, and when the driving motor 71 is electrified to rotate, the driving motor 71 drives the driving rod 63 to rotate through the driving wheel 72 and the driven wheel 73;
the power supply module comprises a storage battery and a charge-discharge module, the storage battery is used for supplying power to the main driving unit 7 when the elevator is in power failure, the charge-discharge module is used for intelligently supplying power and increasing and decreasing voltage to the storage battery, the charge-discharge module is electrically connected with the storage battery and the driving motor 71, and in some examples, a charge-discharge circuit, an electric quantity detection circuit, an intelligent power-off circuit and a voltage transformation circuit are arranged in the charge-discharge module;
the control module is used for detecting a stall state and controlling the power on/off of the driving motor 71, in some examples, the control module comprises a microprocessor and an acceleration sensor, the acceleration sensor is used for detecting the acceleration of the elevator, the acceleration sensor is electrically connected with the microprocessor and the power supply module, the microprocessor is electrically connected with the power supply module, the acceleration sensor transmits a detected elevator acceleration value into the microprocessor according to a preset frequency, the microprocessor judges whether the acceleration value exceeds a threshold value, and when the acceleration value exceeds the threshold value, the microprocessor controls the power supply module to supply power to the driving motor 71, so that the driving motor 71 is started;
preferably, guide rods 5 are further arranged on two sides of the inner support 14, the guide rods 5 are slidably connected with the clamping plate 31, and the guide rods 5 are used for preventing the clamping plate 31 from rotating;
a manual control unit 8, wherein the manual control unit 8 is used for manually controlling the clamping plate driving unit 6, so that passengers can save themselves when the elevator is in emergency stop;
the manual operation unit 8 comprises a second worm wheel 81 and a second worm 82, the second worm wheel 81 is fixedly connected to the driving rod 63, the second worm 82 is installed in the control cabin 12 through a bearing, the second worm 82 is meshed with the second worm wheel 81, a hand wheel 83 is arranged on the second worm 82, when the manual operation is performed, the hand wheel 83 is rotated, the hand wheel 83 drives the second worm 82 to rotate, the second worm 82 drives the second worm wheel 81 to rotate, and the second worm wheel 81 drives the hand wheel 83 to rotate;
as shown in fig. 4, the clamping plate 31 is a flat plate, a threaded hole is formed in one end of the clamping plate 31, a spring sleeve sleeved outside the first spring 33 is arranged at one end of the clamping plate 31 away from the threaded hole, the spring sleeve is in a cylindrical shape with an opening at one end, a first through hole for installing the clamping block 32 is formed in the closed end of the spring sleeve, a sliding rod is arranged on the clamping block 32, the sliding rod is arranged in the first through hole, the first spring 33 is sleeved on the sliding rod, a limiting pin is further arranged at one end of the clamping plate 31 away from the spring sleeve on the clamping block 32, and the limiting pin is used for preventing the clamping block 32 from being separated from the clamping plate 31 and controlling the first spring 33 to be in a compressed state;
in some examples, the driving wheel 72 and the driven wheel 73 are both gears, and the driving motor 71 and the driving wheel 72 are meshed;
preferably, a crowbar is also placed in the control cabin 12.
As another embodiment of the present invention, a roller 4 is further mounted on the inner support 14, the roller 4 is mounted on the inner support 14 through a bearing, as shown in fig. 3, a roller groove 21 is formed on the guide rail 2, the roller 4 is disposed in the roller groove 21, fixed wing plates 22 are further disposed on two sides of the guide rail 2, and mounting holes are formed in the fixed wing plates 22; the roller 4 is used for limiting the car body 1.
In summary, the working principle of the invention is as follows:
when the elevator runs normally, the clamping plates 31 are positioned at two ends of the screw rod 61, and a gap exists between the clamping blocks 32 and the guide rail 2, so that no friction force exists between the clamping blocks 32 and the guide rail 2, the roller 4 is in contact with the roller groove 21, and the roller 4 plays a role in limiting the car body 1;
when the elevator is in a stalling state, the acceleration of the elevator exceeds a preset acceleration, at the moment, the acceleration value detected by the acceleration sensor exceeds a threshold value, the microprocessor controls the power supply module to supply power to the driving motor 71, the driving motor 71 is electrified to rotate, the driving motor 71 drives the driving rod 63 to rotate through the driving wheel 72 and the driven wheel 73, the driving rod 63 drives the lead screw 61 to rotate through the worm 64 and the first worm wheel 62, the lead screw 61 drives the clamping plates 31 to approach each other when rotating, the clamping blocks 32 clamp the guide rail 2 on the guide rail 31, and when the clamping blocks 32 clamp the guide rail 2, the friction force between the clamping blocks 32 and the guide rail 2 brakes the car body 1 to reduce the speed of the car body 1 to zero, so that the car body 1 is fixed on the guide rail 2;
when a passenger saves oneself, the passenger opens the operating cover 15 and rotates the hand wheel 83, the hand wheel 83 drives the second worm 82 to rotate, the second worm 82 drives the driving rod 63 to reversely rotate through the second worm wheel 81, the clamping plates 31 are far away from each other when the driving rod 63 reversely rotates, at the moment, under the action of the first spring 33, the clamping blocks 32 are still clamped on the guide rail 2, the clamping force of the clamping blocks 32 on the guide rail 2 is slowly reduced, the friction force between the clamping blocks 32 and the guide rail 2 is slowly reduced, the car body 1 slowly slides downwards under the action of gravity, when the car body 1 slides downwards to an elevator entrance, the hand wheel 83 reversely rotates, the clamping plates 31 can approach each other, the clamping blocks 32 are clamped on the guide rail 2, at the moment, the car body 1 is fixed on the guide rail 2, and the passenger can pry the elevator entrance.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A safety car device for an elevator, comprising a car body (1) and a safety unit provided inside the car body (1) for braking the car body (1) when the car body (1) stalls, characterized in that the safety unit comprises:
the elevator braking device comprises a clamping plate unit (3), wherein the clamping plate unit (3) is arranged on two sides of a guide rail (2) which is fixed on an elevator shaft and arranged on two sides of a car body (1), and the clamping plate unit (3) is used for braking the elevator;
the splint driving unit (6), the splint driving unit (6) is connected with the splint unit (3), and the splint driving unit (6) is used for driving the splint unit (3) to approach or move away from each other;
a main drive unit (7), wherein the main drive unit (7) is connected with the clamping plate drive unit (6), the main drive unit (7) is used for identifying the stalling state of the elevator, and the main drive unit (7) controls the clamping plate units (3) to approach or move away from each other through the clamping plate drive unit (6);
a manual control unit (8), wherein the manual control unit (8) is used for manually controlling the clamping plate driving unit (6) to gradually reduce the clamping force of the clamping plate unit (3) on the guide rail (2);
the clamping plate unit (3) comprises a clamping plate (31), a clamping block (32) and a first spring (33), the clamping block (32) is in sliding connection with the clamping plate (31), the first spring (33) is sleeved on the clamping block (32), two ends of the first spring (33) are respectively in contact with the clamping block (32) and the clamping plate (31), the first spring (33) is in a compression state, and the clamping block (32) is pressed on the guide rail (2) when the clamping plate (31) approaches to each other;
splint drive unit (6) are equipped with on lead screw (61) and actuating lever (63) and revolve to opposite two sets of screw threads, and install on setting up in inside outer support (13) in control storehouse (12) at the both ends of lead screw (61), the first worm wheel of centre fixedly connected with (62) of lead screw (61), install on setting up in inside inner support (14) of car body (1) actuating lever (63), and the both ends of actuating lever (63) are equipped with worm (64), and worm (64) and first worm wheel (62) mesh.
2. The safe car device for the elevator according to claim 1, wherein the car body (1) is divided into a passenger compartment (11) and a control compartment (12) by a partition plate, and an operation cover (15) is provided on the partition plate.
3. A safety car device for an elevator according to claim 1, characterized in that guide rods (5) are provided on both sides of the inner bracket (14), said guide rods (5) being slidably connected to the clamping plate (31).
4. The safety car device for the elevator as claimed in claim 3, wherein the inner support (14) is further provided with a roller (4), the roller (4) is mounted on the inner support (14) through a bearing, the guide rail (2) is provided with a roller groove (21), the roller (4) is arranged in the roller groove (21), two sides of the guide rail (2) are further provided with fixing wing plates (22), and the fixing wing plates (22) are provided with mounting holes.
5. The safety car device as claimed in claim 4, characterized in that the manual operating unit (8) comprises a second worm wheel (81) and a second worm (82), the second worm wheel (81) being fixedly connected to the drive rod (63), the second worm (82) being mounted in the control cabin (12) by means of bearings, the second worm (82) being in mesh with the second worm wheel (81), the second worm (82) being provided with a hand wheel (83).
6. The safety car device for the elevator as defined in any of claims 3-5, characterized in that the main drive unit (7) comprises a drive motor (71), a power supply module and a control module, a drive pulley (72) is fixedly connected to the drive motor (71), a driven pulley (73) is fixedly connected to the drive rod (63), and the drive pulley (72) is connected to the driven pulley (73); the power supply module comprises a storage battery and a charge-discharge module, the storage battery is used for supplying power to the main driving unit (7) when the elevator is in power failure, the charge-discharge module is used for intelligently supplying power and increasing and decreasing voltage to the storage battery, and the charge-discharge module is electrically connected with the storage battery and the driving motor (71); the control module is used for detecting a stall state and controlling the power on and power off of the driving motor (71); the control module comprises a microprocessor and an acceleration sensor.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263429.1A CN112320535B (en) | 2020-11-12 | 2020-11-12 | Safe car device for elevator |
| DE212020000575.3U DE212020000575U1 (en) | 2020-11-12 | 2020-11-21 | Safety cabin device for elevator |
| LU501859A LU501859B1 (en) | 2020-11-12 | 2020-11-21 | Safety cabin device for elevator |
| PCT/CN2020/130694 WO2022099774A1 (en) | 2020-11-12 | 2020-11-21 | Safety car apparatus for elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011263429.1A CN112320535B (en) | 2020-11-12 | 2020-11-12 | Safe car device for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112320535A CN112320535A (en) | 2021-02-05 |
| CN112320535B true CN112320535B (en) | 2021-06-22 |
Family
ID=74318136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011263429.1A Active CN112320535B (en) | 2020-11-12 | 2020-11-12 | Safe car device for elevator |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN112320535B (en) |
| LU (1) | LU501859B1 (en) |
| WO (1) | WO2022099774A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3674244B1 (en) * | 2018-12-31 | 2022-09-14 | KONE Corporation | An elevator car parking brake |
| CN117923286A (en) * | 2024-03-25 | 2024-04-26 | 山东烟台鑫泰黄金矿业有限责任公司 | Roller cage ear of mining cage |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554673A (en) * | 1942-03-03 | 1943-07-14 | Wm Wadsworth & Sons Ltd | Improvements relating to safety devices for lifts or elevators |
| CN102196985A (en) * | 2008-10-24 | 2011-09-21 | 三菱电机株式会社 | Elevator |
| CN205739849U (en) * | 2016-05-17 | 2016-11-30 | 康达电梯有限公司 | A kind of elevator emergency brake device |
| CN106185529A (en) * | 2016-09-07 | 2016-12-07 | 张卫 | Elevator emergency rim brake |
| CN107285159A (en) * | 2017-06-30 | 2017-10-24 | 合肥市迅立达电梯有限公司 | A kind of safe anti-falling formula elevator |
| CN206751137U (en) * | 2017-06-06 | 2017-12-15 | 内蒙古科技大学 | A kind of automatic safeguarding elevator |
| CN110395640A (en) * | 2019-08-01 | 2019-11-01 | 上海三菱电梯有限公司 | A kind of home lift |
| CN210558726U (en) * | 2019-07-25 | 2020-05-19 | 康达电梯有限公司 | Elevator rope breakage detection protection device |
-
2020
- 2020-11-12 CN CN202011263429.1A patent/CN112320535B/en active Active
- 2020-11-21 WO PCT/CN2020/130694 patent/WO2022099774A1/en active Application Filing
- 2020-11-21 LU LU501859A patent/LU501859B1/en active IP Right Grant
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB554673A (en) * | 1942-03-03 | 1943-07-14 | Wm Wadsworth & Sons Ltd | Improvements relating to safety devices for lifts or elevators |
| CN102196985A (en) * | 2008-10-24 | 2011-09-21 | 三菱电机株式会社 | Elevator |
| CN205739849U (en) * | 2016-05-17 | 2016-11-30 | 康达电梯有限公司 | A kind of elevator emergency brake device |
| CN106185529A (en) * | 2016-09-07 | 2016-12-07 | 张卫 | Elevator emergency rim brake |
| CN206751137U (en) * | 2017-06-06 | 2017-12-15 | 内蒙古科技大学 | A kind of automatic safeguarding elevator |
| CN107285159A (en) * | 2017-06-30 | 2017-10-24 | 合肥市迅立达电梯有限公司 | A kind of safe anti-falling formula elevator |
| CN210558726U (en) * | 2019-07-25 | 2020-05-19 | 康达电梯有限公司 | Elevator rope breakage detection protection device |
| CN110395640A (en) * | 2019-08-01 | 2019-11-01 | 上海三菱电梯有限公司 | A kind of home lift |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2022099774A1 (en) | 2022-05-19 |
| LU501859B1 (en) | 2022-05-23 |
| CN112320535A (en) | 2021-02-05 |
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