CN106882662B - A kind of elevator rescue system - Google Patents
A kind of elevator rescue system Download PDFInfo
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- CN106882662B CN106882662B CN201710025269.9A CN201710025269A CN106882662B CN 106882662 B CN106882662 B CN 106882662B CN 201710025269 A CN201710025269 A CN 201710025269A CN 106882662 B CN106882662 B CN 106882662B
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- motor
- control mainboard
- elevator
- lift car
- hole
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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
-
- 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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0415—Driving gear ; Details thereof, e.g. seals actuated manually, e.g. additional safety system
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of elevator rescue systems, comprising: distance measuring sensor is set to lift car bottom, to acquire the range information of lift car distance from bottom elevator shaft bottom;Control mainboard is connect with distance measuring sensor;Declutch switch, is connected between traction machine brake and control mainboard;Motor is connect with control mainboard, and motor is equipped with power output shaft;Control mainboard is declutched by the switch control traction machine brake that declutches, and rotation direction, output revolving speed and the rotation time of motor are controlled according to range information;Retarder is connected between the power output shaft of motor and traction machine jiggering wheel shaft, to drive traction machine jiggering wheel shaft to rotate, so that the lift car is moved to elevator door position, realizes rescue.Elevator rescue system of the invention can carry out auto-barring according to elevator car position, and jiggering process is simple, time-consuming few, can effectively improve rescue efficiency, save human cost.
Description
Technical field
The present invention relates to elevator technology field more particularly to a kind of elevator rescue systems.
Background technique
Most of elevator is traction elevator currently on the market, uses traction machine as power-equipment.Traction machine is general
Be mounted on main frame, run elevator for conveying and transmitting power, mainly by hoisting motor, traction machine brake,
Shaft coupling and traction sheave composition, wherein it is hung with traction steel-cable on the traction sheave, one end of wirerope hangs lift car,
The other end hangs counterweight, and the gravity of lift car and counterweight makes traction steel-cable be pressed on to generate in traction race and rub
Wipe power.When elevator, which is powered, to be started, traction machine brake obtain it is electric declutch, motor drives traction sheave rotation, wirerope and traction
Frictional force between wheel generates drive force lift car and moves up and down;When Lift out of order, hoisting motor and
The power loss of traction machine brake, traction machine brake movement and band-type brake, at this point, if elevator malfunction event and elevator car occurs
Compartment is not in elevator door position, it is necessary to by jigger wheel be mounted on traction machine jiggering wheel shaft in the way of artificial jiggering into
Row rescue, this rescue mode must at least three people carry out close cooperation, wherein first man unlatching hall door determine elevator
Car position, second people declutch manually to traction machine brake by the switch that declutches manually of traction machine brake, the
Three people can be manually rotated jigger wheel to drive and rotate to traction sheave, make lift car from abort situation disk to elevator door position,
To sue and labour to stranded passenger.Since the mode of this artificial jiggering rescue needs to take a substantial amount of time and human cost,
So that rescue efficiency is low, human cost is high.
Summary of the invention
In view of the above-mentioned problems, a kind of elevator rescue system of the invention can carry out auto-barring, jiggering process to elevator
Simply, time-consuming few, rescue efficiency can be effectively improved and save human cost.
In order to solve the above technical problems, a kind of elevator rescue system of the invention, comprising: distance measuring sensor is set to elevator
Cage bottom, to acquire the range information of the lift car distance from bottom elevator shaft bottom;Control mainboard, with the ranging
Sensor connection;Declutch switch, is connected between traction machine brake and the control mainboard;Motor is led with the control
Plate connection, wherein the motor is equipped with power output shaft;The control mainboard passes through the traction described in switch control of declutching
Brake declutches, and rotation direction, output revolving speed and the rotation time of the motor are controlled according to the range information;Subtract
Fast device is connected between the power output shaft of the motor and traction machine jiggering wheel shaft, to drive the traction machine jigger wheel
Axis rotation realizes rescue so that the lift car is moved to elevator door position.
As an improvement of the above scheme, the elevator rescue system, further includes: backup power source connects with the backup power source
The transformer connect;The transformer is equipped with alternating voltage output interface and direct voltage output interface;The transformer passes through institute
It states alternating voltage output interface to connect with the motor, with to the motor;The transformer passes through the direct current
Power output interface is connect with the control mainboard, to power to the control mainboard.
As an improvement of the above scheme, the elevator rescue system, further includes: variable-frequency governor is connected to the control
Between mainboard and the motor;The control mainboard adjusts the output revolving speed of the motor by the variable-frequency governor.
As an improvement of the above scheme, the elevator rescue system, further includes: touch screen is connect with the control mainboard;
The touch screen is equipped with input area, is equipped in the input area for generating the inching button of crawl signal, for generating
The uplink button of uplink signal and descending button for generating downlink signal;The control mainboard according to the crawl signal and
The uplink signal is controlled the motor and is rotated with preset rotation speed and default rotation time to the first rotation direction, so that described
Lift car uplink;The control mainboard controls the motor according to the crawl signal and the downlink signal with described pre-
If revolving speed and the default rotation time are rotated to the second rotation direction, so that the lift car downlink.
As an improvement of the above scheme, it is additionally provided with automatic button in the input area of the touch screen, it is automatic for generating
Control signal;The control mainboard receives the automatic control signal, and according to the range information and preset elevator door
Position height calculates the most short rescue distance of the lift car;Wherein, the most short rescue distance be the lift car away from
With a distance from nearest elevator door position;The control mainboard calculates institute according to the most short rescue distance and the preset rotation speed
State motor automatic rotation direction and automatic rotation time;The control mainboard controls the motor with the preset rotation speed
It is rotated with the automatic rotation time to the automatic rotation direction, so that the lift car is moved to the nearest elevator layer
Door position.
As an improvement of the above scheme, the traction machine is equipped with mounting bracket, for installing the control mainboard and institute
State touch screen.
As an improvement of the above scheme, the lift car bottom is equipped with carriage lower beam, is equipped on the lower beam
The distance measuring sensor is fixedly mounted in movable frame on the movable frame.
As an improvement of the above scheme, the section of the carriage lower beam is in the shape of an " I ", including upper limb, bottom wing and abdomen
Plate, the web are fixedly connected between the upper limb and the bottom wing, and the movable frame is arranged on the bottom wing.
As an improvement of the above scheme, the movable frame includes: snap-gauge, and section is in convex, upper with the bottom wing
Surface fitting, the bottom of the snap-gauge is equipped with first through hole, the side wall of the snap-gauge is equipped with the second through-hole;Supporting plate, section is in recessed
Shape is bonded with the lower surface of the bottom wing, and the bottom of the supporting plate is equipped with the third through-hole with the first through hole face, described
The side wall of supporting plate is equipped with the fourth hole with the second through-hole face;Fixing bolt, through the first through hole and described
Third through-hole sets the snap-gauge and the supporting plate on the bottom wing with card;Mounting plate, rectangular in cross-section hollow form are set to institute
It states outside the side wall of supporting plate, the first side wall of the mounting plate is equipped with the fifth hole with the fourth hole face, the peace
Distance measuring sensor mounting hole is additionally provided in loading board;Position adjusts bolt, through second through-hole, the fourth hole and institute
State fifth hole.
As an improvement of the above scheme, the distance measuring sensor is connect by signal connecting line with the control mainboard;Institute
Stating distance measuring sensor is infrared distance sensor or ultrasonic distance-measuring sensor.
Compared with prior art, elevator rescue system of the invention controls the switch connection that declutches by control mainboard, so that
Traction machine brake obtain it is electric declutch, and then controllable traction machine jiggering wheel shaft rotation.Control mainboard is obtained by distance measuring sensor
The distance between lift car bottom and elevator shaft bottom information, control mainboard control the rotation of motor according to range information
Direction, output revolving speed and rotation time, so that the power output shaft of motor exports corresponding power, to make the dynamic of motor
Power output shaft reduces output revolving speed by retarder and improves the output torque of the motor, to reach traction machine jiggering wheel shaft
Required revolving speed and torque drive the rotation of traction machine jiggering wheel shaft to promote lift car to be moved to elevator layer so that traction sheave rotates
Door position, realizes auto-barring.Elevator rescue system of the invention can carry out auto-barring, jiggering according to elevator car position
Process is simple, time-consuming few, can effectively improve rescue efficiency;Meanwhile when elevator installs elevator rescue system of the invention, it is only necessary to
One people can complete elevator rescue, save human cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of elevator rescue system of the embodiment of the present invention.
Fig. 2 is transformer and backup power source, motor and control mainboard in the elevator rescue system of the embodiment of the present invention
Connection schematic diagram.
Fig. 3 is the structural schematic diagram of touch screen in the elevator rescue system of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of movable frame in the elevator rescue system of the embodiment of the present invention.
In figure:
1, main frame 2, traction machine
21, traction sheave 22, traction machine jiggering wheel shaft
23, mounting bracket 3, lift car
4, distance measuring sensor 41, signal connecting line
5, carriage lower beam 51, upper limb
52, bottom wing 53, web
6, movable frame 61, snap-gauge
611, first through hole 612, the second through-hole
62, supporting plate 621, third through-hole
622, fourth hole 63, mounting plate
631, fifth hole 632, distance measuring sensor mounting hole
64, fixing bolt 65, position adjust bolt
7, motor 8, retarder
9, variable-frequency governor 10, declutch switch
11, touch screen 110, input area
111, uplink button 112, descending button
113, inching button 114, automatic button
115, start button 116, stop button
117, display area 118, range marker viewing area
119, operating status viewing area 12, control mainboard
13, backup power source 14, transformer
141, alternating voltage output interface 142, direct voltage output interface
Specific embodiment
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention.But the present invention can be with
It is different from the other modes of this description much to implement, those skilled in the art can be without violating the connotation of the present invention
Similar popularization is done, therefore the present invention is not limited by the specific embodiments disclosed below.
Clear, complete description is carried out to technical solution of the present invention with attached drawing combined with specific embodiments below.
As shown in Figure 1, being a kind of structural schematic diagram of elevator rescue system of the embodiment of the present invention.The elevator rescue system
System, comprising: distance measuring sensor 4, be set to 3 bottom of lift car, with acquire 3 distance from bottom elevator shaft bottom of lift car away from
From information;Control mainboard 12 is connect with distance measuring sensor 4, to receive the range information;Declutch switch 10, is connected to traction machine
Between brake and control mainboard 12 (traction machine brake is located in traction machine 2, is not shown in the figure);Motor 7 is led with control
Plate 12 connects, with the rotation direction of the control motor 7 of information according to this distance, output revolving speed and rotation time;Preferably, output
Revolving speed is set as overhauling elevator speed of service 0.65m/s;Motor 7 is additionally provided with power output shaft;Retarder 8 is connected to electronic
Between the power output shaft and traction machine jiggering wheel shaft 22 of machine 7, to drive traction machine jiggering wheel shaft 22 to rotate, so that lift car
3 are moved to elevator door position, and then can realize rescue.Wherein, distance measuring sensor 4 passes through signal connecting line 41 and control mainboard
12 connections, distance measuring sensor 4 are infrared distance sensor or ultrasonic distance-measuring sensor.Traction machine brake and traction machine jiggering
Wheel shaft 22 is the component part of traction machine 2, and traction machine 2 is mounted on main frame 1.
During elevator rescue, the elevator rescue system of the embodiment of the present invention controls the switch that declutches by control mainboard 12
10 connect so that traction machine brake obtain it is electric declutch, and then controllable traction machine jiggering wheel shaft 22 rotates.Control mainboard 12 passes through
Distance measuring sensor 4 obtains the distance between 3 bottom of lift car and elevator shaft bottom information, and control mainboard 12 is believed according to distance
Rotation direction, output revolving speed and the rotation time of breath control motor 7, so that the power output shaft output of motor 7 is corresponding
The power output shaft of power, motor 7 reduces output revolving speed by retarder 8 and improves the output torque of the motor 7, with
Revolving speed and torque needed for reaching traction machine jiggering wheel shaft 22 drive traction machine jiggering wheel shaft 22 to rotate, so that traction sheave 21 rotates,
Promote lift car 3 mobile, auto-barring is realized, so that lift car 3 is moved to elevator door position.Elevator of the invention is rescued
The system of helping can carry out auto-barring according to 3 position of lift car, and jiggering is easy to operate, time-consuming few, can effectively improve rescue effect
Rate;Meanwhile when elevator installs elevator rescue system of the invention, it is only necessary to which a people can complete elevator rescue, save people
Power cost.
As depicted in figs. 1 and 2, elevator rescue system further include: backup power source 13, the transformation being connect with backup power source 13
Device 14;Transformer 14 is equipped with alternating voltage output interface 141 and direct voltage output interface 142;Transformer 14 passes through alternating current
Pressure output interface 141 is connect with motor 7, to power to motor 7;Transformer 14 by DC power supply output interface 142 with
Control mainboard 12 connects, to power to control mainboard 12.Specifically, backup power source 13 converts out 380V by transformer 14 respectively
Alternating voltage and 24V DC voltage, transformer 14 by alternating voltage output interface 141 export 380V alternating voltage,
To power to motor 7;Transformer 14 exports the DC voltage of 24V by direct voltage output interface 143, with to control mainboard
12 power supplies.Since the backup power source 13 and elevator general supply are mutually indepedent, when Lift out of order, standby electricity can be passed through
Source 13 is powered elevator rescue system, to guarantee that elevator rescue system can work normally.
As shown in figures 1 and 3, elevator rescue system further include: variable-frequency governor 9 is connected to control mainboard 12 and electricity
Between motivation 7;Control mainboard 12 adjusts the output revolving speed of motor 7 by variable-frequency governor 9;Touch screen 11, with control mainboard
12 connections;Touch screen 11 is equipped with input area 110, and the inching button for generating crawl signal is equipped in input area 110
113, the descending button 112 for generating the uplink button 111 of uplink signal and for generating downlink signal;Control mainboard 12
Signal is moved at strong point and uplink signal control motor 7 is rotated with preset rotation speed and default rotation time to the first rotation direction, with
Make 3 uplink of lift car;Control mainboard 12 is according to crawl signal and downlink signal control motor 7 with preset rotation speed and default turn
The dynamic time rotates to the second rotation direction, so that 3 downlink of lift car.
For example, rescuer can be according to the position of lift car 3 to 11 input area of touch screen when elevator malfunction event occurs
Inching button 113, uplink button 111 and descending button 112 in domain 110 carry out touch control, to generate crawl signal, uplink
Signal and downlink signal.Herein for generating crawl signal and uplink signal by touch screen 11,12 receiving point of control mainboard
After dynamic signal and uplink signal, then controls motor 7 and rotated with preset rotation speed and default rotation time to the first rotation direction, made
Lift car 3 is obtained with insopection traveling speed uplink relatively short distance, and then realizes the fine tuning to 3 upward position of lift car, rescue
Person passes through more than 11 generation uplink signals of touch screen, so that it may so that lift car 3 is up to elevator door position, adjust
Cheng Pingwen is not likely to produce lift car 3 in rescue operations and jolts.
Further, it is additionally provided with automatic button 114 in input area 110, for generating automatic control signal;Control mainboard
After 12 receive automatic control signal, then lift car 3 is calculated most according to range information and preset elevator door position height
Short rescue distance;Wherein, most short rescue distance is distance of the lift car 3 apart from nearest elevator door position;Control mainboard 12
According to the automatic rotation direction and automatic rotation time of most short rescue distance and preset rotation speed calculating motor 7;Control mainboard 12
Control motor 7 is rotated with preset rotation speed and automatic rotation time to automatic rotation direction.For example, preset in control mainboard 12
Elevator door position height value be Di, i indicate the i-th floor, i >=1 and be integer;D is 3 bottom of lift car and elevator shaft bottom
The distance between portion.After control mainboard 12 receives automatic control signal, then pass through | d-Di | lift car 3 is calculated apart from whole
The distance between elevator door position, and obtain most short rescue distance of the lift car 3 apart from nearest elevator door position and most
The height value of nearly elevator door position.Control mainboard 12 determines motor 7 by the height value of nearest elevator door position
Automatic rotation direction, specifically, when 3 distance of lift car and nearest elevator door position height value are subtracted each other as positive number, elevator
Carriage 3 is located on nearest elevator door position, then determines that the automatic rotation direction of motor 7 need to make 3 downlink of lift car;Work as elevator
When 3 distance of carriage and nearest elevator door position height value are subtracted each other as negative, lift car 3 is located at nearest elevator door position
Under, then determine that the automatic rotation direction of motor 7 need to make 3 uplink of lift car;Control mainboard 12 is according to most short rescue distance and in advance
If revolving speed calculates the automatic rotation time of motor 7, and then controls motor 7 with preset rotation speed and automatic rotation time to automatic
Rotation direction rotation, until lift car 3 reaches nearest elevator door position, the control process of the elevator rescue system is simple,
It is greatly improved elevator rescue efficiency, saves human cost.
Further, it is additionally provided with stop button 116 in the input area 110 of touch screen 11, for generating stop signal;
Start button 115, for generating enabling signal;Control mainboard 12 receives stop signal, and controls motor 7 and stop operating;Control
Mainboard 12 processed receives enabling signal, and controls the starting of motor 7.It, can be according to practical feelings as a result, when elevator rescue system works
Condition is stopped and is started control to its motor 7, improves the safety that motor 7 is run.
Further, touch screen 11 is additionally provided with display area 117, and range marker viewing area is equipped in the display area 117
118, operating status viewing area 119;Touch screen 11 receives the range information that control mainboard 12 is sent, and information exists according to this distance
Range marker of the display lift car 3 apart from elevator shaft bottom in display area 117;Touch screen 11 also receives control mainboard 12
The rotation direction and output revolving speed of transmission, and elevator is shown in operating status viewing area 119 according to rotation direction and output revolving speed
The traffic direction of carriage 3 identifies and the speed of service, can image show position of the lift car in elevator shaft and rescue
During helping, the operating condition of lift car understands rescue situations convenient for rescuer in time, improves the safety of rescue operations.
It in the specific implementation process, can be to elevator since elevator shaft bottom is typically provided with safety component or buffer etc.
Shaft bottom generates blocking, so that distance measuring sensor 4 generates measuring error, for example, if distance measuring sensor 4 is mounted on
The centre of 3 bottom of lift car may result in the range information of its measurement between 3 bottom of lift car and safety component
Distance, rather than the distance between 3 bottom of lift car and elevator shaft bottom.Simultaneously as different type elevator shaft
The safety component of bottom setting or the position of buffer are different, if directly by the fixed Mr. Yu's class lift car 3 of distance measuring sensor 4
Bottom, may cause it cannot be compatible with other kinds of elevator.In order to avoid measuring error and improve elevator rescue system
Compatibility, the embodiment of the present invention are equipped in the bottom of lift car 3 for adjusting distance measuring sensor 4 in 3 bottom of lift car
Position movable frame 6.Before the elevator rescue system using the embodiment of the present invention, operator needs in advance to pass ranging
Sensor 4 is mounted on movable frame 6, and according to elevator shaft bottom conditions, adjusts distance measuring sensor 4 at 3 bottom of lift car
The position in portion makes distance measuring sensor 4 and the direct face in elevator shaft bottom to avoid each base part of elevator shaft bottom.
Specifically, as shown in Figure 1 and Figure 4,3 bottom of lift car is equipped with carriage lower beam 5, is equipped with and lives on lower beam 5
Dynamic mounting rack 6, is fixedly mounted distance measuring sensor 4 on movable frame 6, wherein the section of carriage lower beam 5 is in " work " word
Shape, including upper limb 51, bottom wing 52 and web 53, web 53 are fixedly connected between upper limb 51 and bottom wing 52, and movable frame 6 blocks
On bottom wing 52, to slide to adjust distance measuring sensor 4 in the position of 3 bottom of lift car in carriage lower beam 5, make to survey
It is directly opposite with elevator shaft bottom away from sensor 4, avoid elevator shaft bottom safety component or other component and directly survey
The distance between 3 distance from bottom of lift car and elevator shaft bottom information are obtained, measuring error is avoided, while improving electricity of the invention
The compatibility of terraced rescue system.
Wherein, which includes: snap-gauge 61, and section is in convex, is bonded with the upper surface of bottom wing 52, snap-gauge 61
Bottom be equipped with first through hole 611, snap-gauge 61 side wall be equipped with the second through-hole 612;Supporting plate 62, section is concave, with bottom wing 52
Lower surface fitting, the bottom of supporting plate 62 is equipped with the third through-hole 621 with 611 face of first through hole, and the side wall of supporting plate 62 is equipped with
With the fourth hole 622 of 612 face of the second through-hole;Fixing bolt 64 will through first through hole 611 and third through-hole 621
Snap-gauge 61 and supporting plate 62 are fastened on bottom wing 52;Mounting plate 63, rectangular in cross-section hollow form, outside the side wall of supporting plate 62,
The first side wall of mounting plate 63 is equipped with the fifth hole 631 with 622 face of fourth hole, and ranging sensing is additionally provided on mounting plate 63
Device mounting hole 632;Position adjusts bolt 65, through the second through-hole 612, fourth hole 622 and fifth hole 631.Wherein, will
Snap-gauge 61 and supporting plate 62 are fastened on the bottom wing 52 of carriage lower beam 5, then slide movable frame 6 just on carriage lower beam 5
It is adjustable its 3 bottom of lift car position;Supporting plate 62, snap-gauge 61 and mounting plate 63 can also pass through 64 and of fixing bolt
Position adjusts bolt 65 to adjust relative altitude.When distance measuring sensor 4 is mounted on distance measuring sensor mounting hole 632, so that it may
Adjust the relative altitude of distance measuring sensor 4 to adjust bolt 65 by fixing bolt 64 and position so that distance measuring sensor 4 with
The distance between elevator shaft bottom is more accurate, to promote the measurement accuracy of distance measuring sensor 4.
Preferably, mounting bracket 23 is additionally provided on traction machine, for installing control mainboard 12 and touch screen 11.The installation branch
Frame is two parallel vertical frames.
The above described is only a preferred embodiment of the present invention, limitation in any form not is done to the present invention, therefore
All contents without departing from technical solution of the present invention, it is made to the above embodiment according to the technical essence of the invention any simply to repair
Change, equivalent variations and modification, all of which are still within the scope of the technical scheme of the invention.
Claims (5)
1. a kind of elevator rescue system characterized by comprising
Distance measuring sensor is set to lift car bottom, to acquire the distance of the lift car distance from bottom elevator shaft bottom
Information;Wherein, the lift car bottom is equipped with carriage lower beam, movable frame is equipped on the lower beam, described
The distance measuring sensor is fixedly mounted on movable frame;The section of the carriage lower beam is in the shape of an " I ", including upper limb, under
The wing and web, the web are fixedly connected between the upper limb and the bottom wing;The movable frame be arranged in it is described under
On the wing;The movable frame includes: snap-gauge, and section is in convex, is bonded with the upper surface of the bottom wing, the bottom of the snap-gauge
Side wall equipped with first through hole, the snap-gauge is equipped with the second through-hole;Supporting plate, section is concave, the following table face paste with the bottom wing
It closes, the bottom of the supporting plate is equipped with the third through-hole with the first through hole face, and the side wall of the supporting plate is equipped with and described the
The fourth hole of two through-hole faces;Fixing bolt sets the snap-gauge through the first through hole and the third through-hole with card
With the supporting plate on the bottom wing;Mounting plate, rectangular in cross-section hollow form, outside the side wall of the supporting plate, the peace
The first side wall of loading board is equipped with the fifth hole with the fourth hole face, and distance measuring sensor peace is additionally provided on the mounting plate
Fill hole;Position adjusts bolt, through second through-hole, the fourth hole and the fifth hole;
Control mainboard is connect with the distance measuring sensor;
Declutch switch, is connected between traction machine brake and the control mainboard;
Motor is connect with the control mainboard, wherein the motor is equipped with power output shaft;
The control mainboard is declutched by the traction machine brake described in switch control that declutches, and according to the range information control
Rotation direction, output revolving speed and the rotation time for making the motor, correspond to so that the power output shaft of the motor exports
Power;
Variable-frequency governor is connected between the control mainboard and the motor, to adjust the output revolving speed of the motor;
Touch screen is connect with the control mainboard;
The touch screen is equipped with input area, is equipped in the input area for generating the inching button of crawl signal, being used for
Generate the uplink button of uplink signal and the descending button for generating downlink signal;
The control mainboard controls the motor according to the crawl signal and the uplink signal with preset rotation speed and presets
Rotation time is rotated to the first rotation direction, so that the lift car uplink;
The control mainboard according to the crawl signal and the downlink signal control the motor with the preset rotation speed and
The default rotation time is rotated to the second rotation direction, so that the lift car downlink;
Retarder is connected between the power output shaft of the motor and traction machine jiggering wheel shaft, to drive the traction machine
The rotation of jiggering wheel shaft realizes auto-barring, so that the lift car is moved to elevator door position to complete to rescue.
2. elevator rescue system as described in claim 1, which is characterized in that further include:
Backup power source, the transformer being connect with the backup power source;
The transformer is equipped with alternating voltage output interface and direct voltage output interface;
The transformer is connect by the alternating voltage output interface with the motor, with to the motor;
The transformer is connect by the DC power supply output interface with the control mainboard, to supply to the control mainboard
Electricity.
3. elevator rescue system as described in claim 1, which is characterized in that it is additionally provided with automatic button in the input area,
For generating automatic control signal;
The control mainboard receives the automatic control signal, and high according to the range information and preset elevator door position
Degree calculates the most short rescue distance of the lift car;Wherein, the most short rescue distance is that the lift car distance is nearest
The distance of elevator door position;
The control mainboard calculates the automatic rotation side of the motor according to the most short rescue distance and the preset rotation speed
To with automatic rotation time;
The control mainboard controls the motor with the preset rotation speed and the automatic rotation time to the automatic rotation
Direction rotation, so that the lift car is moved to the nearest elevator door position.
4. elevator rescue system as described in claim 1, which is characterized in that the traction machine is equipped with mounting bracket, is used for
The control mainboard and the touch screen are installed.
5. elevator rescue system as described in any one of claims 1 to 4, which is characterized in that the distance measuring sensor passes through
Signal connecting line is connect with the control mainboard;The distance measuring sensor is that infrared distance sensor or ultrasonic distance measurement sense
Device.
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CN112623901A (en) * | 2020-12-09 | 2021-04-09 | 日立电梯(中国)有限公司 | Elevator rescue method |
CN115402895A (en) | 2021-05-28 | 2022-11-29 | 奥的斯电梯公司 | Band-type brake monitoring circuit system, elevator system and band-type brake monitoring method |
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CN1207361A (en) * | 1997-08-05 | 1999-02-10 | 北京市畅达贸易发展公司 | Automatic help safety device for elevator |
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CN205099137U (en) * | 2015-11-17 | 2016-03-23 | 大连市特种设备检测研究院 | Long -range electronic emergency rescue device that declutches of construction elevator |
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