CN105668362A - Automatic decelerating and braking system for lift - Google Patents
Automatic decelerating and braking system for lift Download PDFInfo
- Publication number
- CN105668362A CN105668362A CN201610098208.0A CN201610098208A CN105668362A CN 105668362 A CN105668362 A CN 105668362A CN 201610098208 A CN201610098208 A CN 201610098208A CN 105668362 A CN105668362 A CN 105668362A
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- CN
- China
- Prior art keywords
- oil
- elevator
- control valve
- handguard
- fluid
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
- B66B3/002—Indicators
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B29/00—Safety devices of escalators or moving walkways
- B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
- B66B29/04—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects for balustrades or handrails
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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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
Abstract
The invention discloses an automatic decelerating and braking system for a lift. The automatic decelerating and braking system comprises at least a lift car braking device, a car body opening decelerating device, a handrail lift involving-preventing device and a lift car type lift concentrated monitoring and remote interacting system. A mechanical and intelligent system is used for achieving decelerating and braking of lift car type lifts and handrail lifts, and the functions of third-party device monitoring and dispatching of the lift car type lifts and appeasing of people in the lift and technical guiding after the lift breaks down are achieved. The function of braking and the function of monitoring are achieved under the condition that normal operation of the lift is not affected. The automatic decelerating and braking system for the lift is simple in structure, low in cost and good in use effect.
Description
Technical field
This patent relates to a kind of elevator automatic retarding and brakes, belongs to the automatic retarding of elevator kind equipment, brakes and Study On Intelligent Monitoring Techniques field, its deceleration that can realize elevator and braking and intellectual monitoring.
Background technology
Lift car type elevator is as daily life instrument, it slows down and braking adopts band-type brake steel wire rope is slowed down and brakes, but generation systems fault causes brake sticking brake to lose efficacy in actual motion environment, and then occur that car drops rapidly and security incident occurs, need for this car of a kind of Lift car type elevator to slow down and the braking of existing elevator device is supplemented by the device of braking.
Lift car type elevator stops at floor, car door there will be car abnormal tenesmus when opening, the main employing electronic type braking control system braking to steel wire rope in existing elevator device, but occur that car door is opened the abnormal tenesmus of situation and caused passenger injured owing to controlling makeing mistakes of system more, for this reason, it may be necessary to car slows down and brakes in a kind of Lift car type elevator car door unlatching situation.
Handrail elevator is a kind of means of transport transporting pedestrian in conveyer belt mode that the places such as market are conventional, owing to there is certain space between handrail and cover plate, this space there will be being involved in of foreign body and causes impaired being involved in human body of elevator security incident occur, needs a kind of handrail elevator to prevent being involved in device for this.
Lift car type elevator is in day-to-day operation and maintenance, periodic maintenance is adopted to cause maintenance that abnormal elevator occurs not in time, and elevator occur abnormal after passenger is mishandling in elevator secondary injury occurs, need for this kind of system to realize centralization third party's operational monitoring of car and intelligence group is single, and remotely pacifying after abnormal elevator, technological guidance and promptly send list.
Summary of the invention
The purpose of this patent is: provide a kind of elevator automatic retarding and brakes, when not affecting elevator and being properly functioning, it is achieved the car of elevator and the automatic retarding of handrail elevator, brakes and intellectual monitoring, to overcome the deficiencies in the prior art.
Technology one scheme of this patent is as follows:
Car brake unit is installed bottom box elevator car, car brake unit can adopt electronic type and mechanical type, electronic type mainly adopts sensor senses elevator speed to carry out judging whether abnormal tenesmus occur and then start car brake system being braked, but the possibility of the inefficacy that the factors such as power supply cause is there is due to electronic type, for this, this patent adopts mechanical car brake unit to realize the braking of car.
Car brake unit at least includes bent axle and tests the speed roller, oil path distributor, water brake bar and fuel reserve tank, oil pipe is adopted to be attached between above four, wherein the bent axle roller that tests the speed mainly utilizes the lapse rate of roller contact elevator borehole wall rotation measuring car, and provides oil pump power;Oil path distributor realizes distribution and the control of oil circuit; Water brake bar realizes deceleration and the braking of car; Fuel reserve tank realizes the storage of fluid.
Bent axle tests the speed roller by bracing frame pedestal, expansion link, oil cylinder, in-line check valve, vent line check valve, bracing frame, bent axle, roller, roller outer sleeve, roll fixed shaft forms, bracing frame pedestal is fixedly mounted on cage bottom, expansion link connects bracing frame pedestal provides buffering with bracing frame for bracing frame, in-line check valve connects fuel reserve tank and oil cylinder, vent line check valve connects oil cylinder and oil path distributor, oil cylinder, bent axle, roller, roller outer sleeve, roll fixed shaft is arranged on bracing frame, bent axle connects roller and oil cylinder with piston, roller outer layer covers the roller outer sleeve of flexible relative, roller is fixed on bracing frame by roll fixed shaft, its method of operation is as follows:
The roller contact elevator borehole wall, drive roller to rotate at the elevator borehole wall when elevator is descending, the piston with dynamic crankshaft that rotates of roller runs up and down in oil cylinder, fluid in fuel reserve tank is pumped into oil cylinder by in-line check valve, and in-oil cylinder fluid is pumped into oil path distributor by vent line check valve, it is more many that elevator downstream rate pumps into oil path distributor fluid more soon, and the oil liquid pressure in oil path distributor is more big.
Oil path distributor is by allotter, brake fluid line pressure valve, return pressure valve, oil return hydraulic control valve hydraulic valve, oil return hydraulic control valve check valve, oil return hydraulic control valve check valve stay cord, oil return hydraulic control valve, in-line forms, wherein in-line is connected to bent axle and tests the speed roller, allotter realizes fluid and stores and output connection brake fluid line pressure valve respectively, return pressure valve, oil return hydraulic control valve hydraulic valve, brake fluid line pressure valve starts pressure and starts pressure more than oil return hydraulic control valve hydraulic valve, oil return hydraulic control valve hydraulic valve starts pressure and starts pressure more than return pressure valve, brake fluid line pressure valve connects oil path distributor and water brake bar, return pressure valve connects oil path distributor and oil return hydraulic control valve, oil return hydraulic control valve hydraulic valve connects oil path distributor and oil return hydraulic control valve check valve, oil return hydraulic control valve controls allotter inner fluid and is back to fuel reserve tank, the properly functioning pressure control valve of fluid next time controls to open allotter inner fluid and is back to fuel reserve tank, when allotter inner fluid flows into oil return hydraulic control valve by oil return hydraulic control valve check valve, oil return hydraulic control valve cuts out and causes fluid can not be back to fuel reserve tank, and its method of operation is as follows:
After fluid enters oil path distributor, starting return pressure valve, fluid is back to fuel reserve tank; When the oil increasing pumping into oil path distributor, oil path distributor pressure increases and starts oil return hydraulic control valve hydraulic valve, fluid flows into oil return hydraulic control valve check valve, and flow into oil return hydraulic control valve, close oil return hydraulic control valve, making the fluid in oil path distributor can not be back to fuel reserve tank, the fluid in oil path distributor can only flow to brake fluid line pressure valve, and then flows into hydraulic pressure brake lever; When pulling oil return hydraulic control valve check valve stay cord, opening oil return hydraulic control valve check valve and oil return hydraulic control valve is opened, the fluid in oil path distributor is back to fuel reserve tank.
Water brake bar by brake block, piston rod, oil cylinder, oil inlet pipe, piston rod spring, go out oil control valve, go out oil control valve stay cord and form, oil inlet pipe connects oil cylinder and oil path distributor, piston rod spring connects bottom piston rod and oil cylinder, piston rod connects piston rod spring and brake block, go out oil control valve and connect oil cylinder and fuel reserve tank, going out oil control valve under regular situation is closed mode, only just opens out oil control valve when going out oil control valve stay cord pull-up, and its method of operation is as follows:
When fluid flows into after hydraulic pressure brake lever from oil path distributor, fluid promotes piston rod to travel forward, and piston rod drives brake block to travel forward the conflict elevator borehole wall so that lift car slows down and braking;When pulling out oil control valve stay cord, opening out oil control valve, piston rod spring pulls piston rod, in-oil cylinder fluid is squeezed into out oil control valve, and is back to fuel reserve tank.
Fuel reserve tank is made up of oil storage cylinder, oil return pipe, water brake bar oil return pipe, the bent axle roller flowline that tests the speed, oil storage cylinder stores fluid, oil return pipe connects oil storage cylinder and oil path distributor, water brake bar oil return pipe connects oil storage cylinder and water brake bar, and the bent axle roller flowline that tests the speed connects oil storage cylinder and bent axle and tests the speed roller.
Technology two scheme of this patent is as follows:
Envelope braking in car door unlatching situation, mainly on the basis of above-mentioned car brake unit, increases envelope between oil path distributor and fuel reserve tank and opens deceleration device, it is achieved the envelope in car door unlatching situation slows down and braking.
Envelope open deceleration device by control fuel tap, casing open slow down control fuel tap stay cord form; control fuel tap and connect oil path distributor and fuel reserve tank; casing is opened the control fuel tap stay cord that slows down and is connected on car door; control fuel tap in conventional operation situation and be in opening; fluid energy normal reflow is to fuel reserve tank; the control fuel tap after controlling fuel tap stay cord that slows down when pulling casing to open is closed, and fluid can not be back to fuel reserve tank, and its method of operation is as follows:
When car door is opened, car door pulls casing to pull deceleration control fuel tap stay cord closing control fuel tap to make fluid can not be back to fuel reserve tank, fluid in car brake unit can only flow to the water brake bar of car brake unit so that car brake unit is in deceleration and brake actuating state; Slowing down when car door is closed and control fuel tap stay cord and recover state, control fuel tap and open, fluid energy normal reflow is to fuel reserve tank so that car brake unit is in normal operating condition.
Technology three scheme of this patent is as follows:
Handrail elevator is anti-is involved in device by protecting ladder rail, column baffle plate, connecting rod, handrail contact ball, infrared thermal releasing induction apparatus, staircase power-supply controller of electric, the anti-device that is involved in of handrail elevator draws data wire composition, escalator handrail outer layer has layer of metal layer, column baffle plate is arranged on elevator pecten, column baffle plate top installation infrared heat releases induction apparatus, infrared thermal releasing induction apparatus is connected to staircase power-supply controller of electric, handrail contact ball is arranged on connecting rod top, connecting rod is arranged on column baffle plate, handrail contact ball is connected to staircase power-supply controller of electric by data wire, staircase power-supply controller of electric is connected to drive unit for lift by the anti-device extraction data wire that is involved in of handrail elevator, its method of operation is as follows:
Under normal operating condition, infrared thermal releasing sensing does not have inductor to be closed, the handrail contact ball contact handguard with metal level so that handrail contact ball is in UNICOM's loop state; When foreign body is involved in handrail elevator, foreign body is in handrail and contacts between ball with handrail, has isolated the connection of handrail contact ball so that circuit is in interrupt status, has started staircase power-supply controller of electric; When the foreign body being involved in is human body, starting infrared thermal releasing induction apparatus, infrared thermal releasing induction apparatus sends data to staircase power-supply controller of electric, starts staircase power-supply controller of electric; When staircase power-supply controller of electric receive foreign body be involved in time, send data to drive unit for lift, drive unit for lift stop elevator run.
Technology four scheme of this patent is as follows:
Lift car type elevator Centralized Monitoring and remote interactive system are by controller, display screen, the interior photographic head with pick up of ladder, network transmission module, control centre, envelope balance sensor, car door opens induction apparatus, defect in rope detector forms, controller connects display screen by data wire, the interior photographic head with pick up of ladder, network transmission module, envelope balance sensor, car door opens induction apparatus, defect in rope detector, envelope balance sensor is arranged on below envelope and senses envelope degree of balance and running status, car door is opened induction apparatus and is arranged on the opening of cabin door location sensitive car door, defect in rope detector is arranged on the steel wire rope position of elevator traction system, the integrity of detection steel wire rope, display screen is for the video signal of display controller transmission, in ladder, photographic head with pick up is used for gathering in ladder video and audio frequency,Network transmission module connects control centre and controller, and mutual for both data, its method of operation is as follows:
The video signal that display screen display control centre sends when elevator is properly functioning; Occur that abnormal, car door is opened induction apparatus and sensed that car door occurs that abnormal, defect in rope detector detects steel wire rope and defect occurs when envelope balance sensor senses envelope balance, send data to controller, defect information is transmitted to control centre by controller by network transmission module, and control centre carries out sending the work such as single; When envelope balance sensor, car door open induction apparatus jointly sense elevator break down the catastrophe failures such as shutdown time; breakdown judge made by controller; and transmit information to control centre; control centre passes through controller; the photographic head being connected in ladder with pick up further confirms that elevator ruuning situation; with carry out sound, video interactive in ladder, passenger in ladder is pacified and technological guidance, and carries out work order and distribute and the work such as warning.
The above is the preferred implementation of this patent; it should be pointed out that, for those skilled in the art, under the premise without departing from principle of the present invention; can also making some improvements and modifications, these improvements and modifications also should be regarded as protection scope of the present invention.
Accompanying drawing illustrates:
Accompanying drawing 1 is car brake unit schematic diagram of the present invention;
Accompanying drawing 2 is car brake device structure figure of the present invention;
Accompanying drawing 3 tests the speed roller structure figure for car brake unit-bent axle of the present invention
Accompanying drawing 4 is car of the present invention brake unit-oil path distributor structure chart
Accompanying drawing 5 is car of the present invention brake unit-water brake bar structure chart
Accompanying drawing 6 is car of the present invention brake unit-fuel reserve tank structure chart
Accompanying drawing 7 opens deceleration device schematic diagram for envelope of the present invention;
Accompanying drawing 8 opens deceleration device structure chart for envelope of the present invention;
Accompanying drawing 9 is involved in device schematic diagram for handrail elevator of the present invention is anti-;
Accompanying drawing 10 is involved in structure drawing of device for handrail elevator of the present invention is anti-;
Accompanying drawing 11 is Lift car type elevator Centralized Monitoring of the present invention and remote interactive system schematic diagram;
Being labeled as in accompanying drawing: 1-bent axle test the speed roller, 2-oil path distributor, 3-water brake bar, 4-fuel reserve tank, 5-envelope open deceleration device, 6-handrail elevator anti-be involved in device, 1-1 bracing frame pedestal, 1-2 expansion link, 1-3 oil cylinder, 1-4 in-line check valve, 1-5 vent line check valve, 1-6 bracing frame, 1-7 bent axle, 1-8 roller, 1-9 roller outer sleeve, 1-10 roll fixed shaft,
2-1 allotter, 2-2 brake fluid line pressure valve, 2-3 return pressure valve, 2-4 oil return hydraulic control valve hydraulic valve, 2-5 oil return hydraulic control valve check valve, 2-6 oil return hydraulic control valve check valve stay cord, 2-7 oil return hydraulic control valve, 2-8 in-line,
3-1 brake block, 3-2 piston rod, 3-3 oil cylinder, 3-4 oil inlet pipe, 3-5 piston rod spring, 3-6 go out oil control valve, 3-7 goes out oil control valve stay cord, 4-1 oil storage cylinder, 4-2 oil return pipe, 4-3 water brake bar oil return pipe, 4-4 bent axle test the speed roller flowline,
5-1 controls fuel tap, 5-2 envelope is opened to slow down and is controlled fuel tap stay cord, 6-1 escalator handrail, 6-2 column baffle plate, 6-5 connecting rod, 6-4 handrail contact ball, 6-3 infrared thermal releasing induction apparatus, 6-6 staircase power-supply controller of electric, the anti-device that is involved in of 6-7 handrail elevator draws data wire, 7-1 controller, 7-2 display screen, photographic head with pick up in 7-3 ladder, 7-4 network transmission module, 7-5 control centre, 7-6 envelope balance sensor, 7-7 car door opens induction apparatus, 7-8 defect in rope detector.
Claims (8)
1. an elevator automatic retarding and brakes, it is characterised in that described in:
The casing that external device realizes box elevator decline hypervelocity is utilized to slow down and braking;
Utilize external device to realize box elevator box Men Wei and completely close the deceleration in situation;
The foreign body that external device realizes handrail elevator is utilized to be involved in detection and braking;
Utilize external monitoring equipment realize casing is steady, steel wire is complete, the monitoring of the abnormal casing operation exception state such as stop of casing, and realize long-range psychology and pacify and technological guidance.
2. according to claim 1, it is characterised in that described in:
Car brake unit is installed bottom box elevator box;
Car brake unit includes bent axle and tests the speed roller, oil path distributor, water brake bar and fuel reserve tank;
Test the speed roller, oil path distributor, water brake bar and fuel reserve tank of bent axle adopts oil circuit to interconnect each other.
3. according to claim 2, it is characterised in that described in:
The bent axle roller that tests the speed is made up of roller, bent axle, oil cylinder, in-line, vent line, bracing frame, and bracing frame is fixed on bottom lift car;
Roller is arranged on bracing frame leading portion, contacts with the elevator borehole wall, utilizes elevator to run and drives roller to rotate;
Bent axle is connected on roller, and roller rotates band dynamic crankshaft and runs up and down in oil cylinder;
In-line is made up of unidirectional oil path valve and oil pipe, connects fuel reserve tank and oil cylinder;
Vent line is made up of unidirectional oil path valve and oil pipe, connects oil path distributor and oil cylinder;
Bent axle runs fuel reserve tank suction oil cylinder up and down in-oil cylinder, and in-oil cylinder oil pump is entered oil path distributor.
4. according to claim 2, it is characterised in that described in:
Oil path distributor is by allotter, in-line, brake fluid line, oil return hydraulic control valve;
Allotter has three flowlines, connect water brake bar respectively, oil return hydraulic control valve, oil return pipe and oil return hydraulic circuit is wherein had to control pipe between oil return hydraulic control valve and allotter, wherein connect the flowline of water brake bar, connect back to the oil return pipe of fluid pressure control valve, the oil circuit connecting back to fluid pressure control valve controls pipe all with pressure valve, the pressure gap of opening of its pressure valve is that the flowline pressure valve opening pressure connecting water brake bar controls pipe pressure valve opening pressure more than the oil circuit connecting back to fluid pressure control valve, the oil circuit connecting back to fluid pressure control valve controls pipe pressure valve opening pressure more than the oil return pipe pressure valve opening pressure connecting back to fluid pressure control valve,
When elevator speed is low, the fluid pumping into allotter is less, and in allotter, pressure is little, and fluid flows back to fuel reserve tank along the oil return pipe connecting back to fluid pressure control valve;
When elevator speed is gradually increased, the fluid pumping into allotter with the time is more, in allotter, pressure is gradually increased, when pressure reaches to connect back to the oil circuit control pipe pressure valve opening pressure of fluid pressure control valve, fluid controls pipe along the oil circuit connecting back to fluid pressure control valve and enters oil return hydraulic control valve, start hydraulic control valve and close oil return circuit so that fluid can only flow into hydraulic pressure brake lever along the flowline connecting water brake bar;
Only pulling oil return hydraulic control valve stay cord, open oil return hydraulic control valve oil return pipe, fluid normal could flow back to fuel reserve tank along the oil return pipe connecting back to fluid pressure control valve.
5. according to claim 2, it is characterised in that described in:
Water brake bar by oil inlet pipe, oil cylinder, piston rod, piston rod spring, brake block, flowline, go out oil control valve and form, oil inlet pipe is connected to oil path distributor;
Fluid enters oil cylinder along oil inlet pipe, and the more many pressure of fluid entering oil cylinder is more big, promotes piston to make brake block run forward the contact elevator borehole wall so that deceleration of elevator and braking;
When pulling out oil control valve stay cord to open out oil control valve, piston rod spring shrinks and makes piston rod extruding fluid flow back to fuel reserve tank along flowline.
6. according to claim 1, it is characterised in that described in:
Realize box elevator box Men Wei and completely close the deceleration in situation, between the oil path distributor of car brake unit and fuel reserve tank, mainly increase casing open deceleration device;
Casing open deceleration device by controlling fuel tap, casing is opened to slow down and is controlled fuel tap stay cord, casing is opened deceleration device and is connected between oil path distributor and fuel reserve tank, and casing is opened to slow down and controlled fuel tap stay cord to elevator cab door;
Pulling when car door is opened casing to open the control fuel tap stay cord that slows down, control fuel tap and close so that the oil circuit disconnecting between oil path distributor and fuel reserve tank, fluid can only enter water brake bar;
When car door open time car drop, drive bent axle test the speed roller to water brake bar pump oil so that water brake bar contact the elevator borehole wall cause deceleration of elevator and braking;
When car door is closed, unclamp casing and open the control fuel tap stay cord that slows down, control fuel tap and open so that the oil circuit between oil path distributor with fuel reserve tank is connected unobstructed.
7. according to claim 1, it is characterised in that described in:
Handguard elevator is anti-be involved in device by protecting ladder handguard, column baffle plate, connecting rod, handguard contact ball, infrared thermal releasing induction apparatus, protect ladder power-supply controller of electric and form;
Infrared thermal releasing induction apparatus is placed in column baffle plate top, triggers infrared thermal releasing induction apparatus when there being human body to be involved in, and transmits information to protect ladder power-supply controller of electric;
Protect and between ladder handguard and baffle plate, increase column baffle plate, pillar baffle plate upper side edge installing connecting rods, connecting rod top is connected to handguard contact ball, support spring is installed in the middle part of connecting rod and is connected to elevator baffle plate support link, handguard contact ball contact handguard, when foreign body is involved in, foreign body enters between handguard contact ball and handguard, handguard contact ball contacts downwards circuit trigger and forms path, and contact circuit trigger is connected to and protects ladder power-supply controller of electric;
Normal condition lower support spring top lives connecting rod so that handguard contact ball disengages formation short circuit with contacting circuit trigger, and handguard contact ball contacts with handguard;
When slim object, when being involved in such as the object such as paper scrap, thin plastics, object is rolled between handguard contact ball and handguard, but because object is relatively thin, it is impossible to make handguard contact ball contact downwards circuit trigger;
When being involved in human body, human body is rolled between handguard contact ball and handguard, and handguard contact ball forms path with contacting circuit trigger contact, and contact circuit trigger is connected to and protects ladder power-supply controller of electric, and path signal transmission is protected ladder to protecting ladder power-supply controller of electric positive closing so that protect ladder braking.
8. according to claim 1, it is characterised in that described in:
In car cab monitoring instrument mounted below, monitor elevator box running status;
In car cab monitoring instrument installed above, by steel wire through monitoring instrument, monitor steel wire integrity;
When elevator box and steel wire occur abnormal, abnormal information is transmitted to centralized-control center by monitoring instrument, and sends maintenance work by centralized-control center;
When there is cancel closedown in elevator cab; monitoring instrument is by abnormal information transmission to centralized-control center; centralized-control center is connected to the photographic head in elevator, pick up and telescreen by network; realize personnel state in remote monitoring measuring tank body; and providing long-range psychology to pacify and technological guidance, it is to avoid in elevator box, personnel's unusual fluctuation causes secondary injury.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098208.0A CN105668362A (en) | 2016-02-24 | 2016-02-24 | Automatic decelerating and braking system for lift |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610098208.0A CN105668362A (en) | 2016-02-24 | 2016-02-24 | Automatic decelerating and braking system for lift |
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| CN105668362A true CN105668362A (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610098208.0A Pending CN105668362A (en) | 2016-02-24 | 2016-02-24 | Automatic decelerating and braking system for lift |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
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| CN105035915A (en) * | 2015-06-25 | 2015-11-11 | 日立电梯（中国）有限公司 | Elevator device for automatically adjusting gravity center balance of car |
| CN105110115A (en) * | 2015-07-23 | 2015-12-02 | 孟凯涛 | Method for detecting door opening dangerous cases in operation of elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109704168A (en) * | 2019-02-26 | 2019-05-03 | 广州广日电梯工业有限公司 | A kind of integral type elevator speed-limiting protective device and the elevator with the device |
| CN109704168B (en) * | 2019-02-26 | 2023-10-03 | 广州广日电梯工业有限公司 | Integrated elevator speed limiting protection device and elevator with same |
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Address after: 550002, Guizhou, Guiyang Province car Road No. 47 Xiang Sheng landscape Ming Yuan E1-1402 room Applicant after: Li Huamin Address before: 550002. 3312 - 3314, building 33, building 2, international center, 1 South Avenue, flower garden, Nanming District, Guizhou, Guiyang Applicant before: Li Huamin |
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Application publication date: 20160615 |