CN109665402A - A kind of drag device with manual rescue mechanism - Google Patents
A kind of drag device with manual rescue mechanism Download PDFInfo
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- CN109665402A CN109665402A CN201711424564.8A CN201711424564A CN109665402A CN 109665402 A CN109665402 A CN 109665402A CN 201711424564 A CN201711424564 A CN 201711424564A CN 109665402 A CN109665402 A CN 109665402A
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- worm
- driving
- motor
- traction
- carriage
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Classifications
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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
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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
- B66B5/26—Positively-acting devices, e.g. latches, knives
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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
- B66B11/0005—Constructional features of hoistways
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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
- 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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- 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
- B66B11/08—Driving gear ; Details thereof, e.g. seals with hoisting rope or cable operated by frictional engagement with a winding drum or sheave
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
- B66B13/125—Arrangements for effecting simultaneous opening or closing of cage and landing doors electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
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- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
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- B66B1/36—Means for stopping the cars, cages, or skips at predetermined levels
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- 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
- B66B11/026—Attenuation system for shocks, vibrations, imbalance, e.g. passengers on the same side
- B66B11/0293—Suspension locking or inhibiting means to avoid movement when car is stopped at a floor
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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
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
- B66B11/0446—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation with screw-nut or worm-screw gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
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- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/165—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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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
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- B66B5/0018—Devices monitoring the operating condition of the elevator system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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- B66B5/0037—Performance analysers
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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
- B66B5/0043—Devices enhancing safety during maintenance
- B66B5/005—Safety of maintenance personnel
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
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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
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
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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
- 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
- B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
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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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/044—Mechanical overspeed governors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
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- B66B5/08—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for preventing overwinding
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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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
- B66B5/22—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 by means of linearly-movable wedges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/02—Guideways; Guides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
- B66B7/06—Arrangements of ropes or cables
- B66B7/08—Arrangements of ropes or cables for connection to the cars or cages, e.g. couplings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
- Types And Forms Of Lifts (AREA)
- Elevator Door Apparatuses (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention discloses a kind of drag devices with manual rescue mechanism, including the elevator control system for controlling elevator operation, traction machine, the traction sheave being connected with traction machine, the hoist ropes of winding on the traction sheave, hoist ropes one end connects carriage, the other end connects counterweight, the coaxially connected worm gear of traction sheave, worm and wheel is meshed, to constitute the lockable mechanism of traction sheave, worm screw is connected with a protection motor, protection motor and traction machine are all made of servo motor and are made, isochronous controller controls traction machine according to the transmission ratio of worm and wheel respectively and protects the revolving speed of motor, keep worm screw synchronous with the holding of the transmission ratio of the rotating ratio of turbine and worm and wheel；When protecting motor load to be more than maximum set value, the power supply of elevator control system tripping protection motor and traction machine.The present invention can realize the reliable braking of traction sheave when elevator device has a power failure or breaks down, and be effectively prevented from carriage and rush to summit or the safety accident at crouching bottom.
Description
Technical field
The present invention relates to technical field of elevator manufacturing, more particularly, to a kind of highly-safe elevator traction mechanism.
Background technique
In skyscraper, elevator is a kind of corollary equipment of indispensability, can be brought great convenience to occupant.Mesh
Before, with the development of economy, middle high-income group largely occurs, and the demand of villa is also being continuously increased, and correspondingly, is suitable for
The home lift of villa class building also comes into vogue.Elevator mainly includes hoistway, a sedan-chair being liftably arranged in hoistway
Compartment, the driving mechanism to drive carriage to go up and down, currently, driving mechanism is traction-type driving mechanism mostly comprising one sets
The traction machine in well headroom is set, traction machine connects traction sheave, and hoist ropes is arranged on traction sheave, and one end of hoist ropes connects sedan-chair
Compartment, the other end connects a counterweight that can be gone up and down in hoistway, to balance the weight of carriage, to reduce the negative of traction machine
It carries.When the forward and reverse rotation of traction machine driving traction sheave, the hoist ropes of winding on the traction sheave is moved back and forth, to realize carriage
Lifting, and counterweight is then reversely gone up and down with carriage.
Due to traction sheave make it is mobile by frictional force drives hoist ropes, after elevator is used for a long time, hoist ropes and
It is easy to produce slipping phenomenon or control system between traction sheave to fail to the control of traction machine, so as to cause the quick of carriage
It rushes to summit or crouching bottom, less serious case leads to the impaired of passenger's body and elevator, serious to result even in passenger's death.For this purpose, people set
The various device and method that car safety when elevator is run can be improved are counted, wherein most important mode is set on traction machine
Set the arrestment mechanism of an Electromagnetic Control.When elevator power failure or because of the power supply of elevator failure control system cutting elevator
When, electromagnet power loss in arrestment mechanism and lose electromagnetic attraction, arrestment mechanism is acted by the active force of tripping spring at this time, i.e.,
Locking braking can be realized to traction machine；And elevator is when having electricity, the electromagnet in arrestment mechanism obtain it is electric, so that arrestment mechanism be made to release
To the locking of traction machine, elevator can be operated normally.
For example, disclosed one kind " elevator traction machine " in Chinese patent literature, notification number CN2401528Y, including
Pedestal, motor, worm gear case, worm screw, worm gear shaft, hanging feet, worm gear, traction sheave, arrestment mechanism, one end of the worm gear shaft are equipped with inclined
Heart set is equipped with tie-plate in the middle part of worm gear shaft, and tie-plate one end and worm gear are mutually solid, the other end and traction sheave mutually admittedly, in tie-plate and
Bearing is respectively set between worm gear and between tie-plate and traction sheave, is equipped with adjustment in a pair of of hanging feet bottom of setting worm gear shaft
Gasket.When work, first power on, so that arrestment mechanism is in energized state by control switch, while motor passes through worm screw band
Dynamic worm gear operating, and then traction sheave rotation is driven by tie-plate, the rope of winding on the traction sheave can drive lift car
Lifting.When carriage runs to scheduled a certain destination, stall motor by actuating control switch, while by brake
Structure is dynamic.Braking principle is as follows: when motor power-off, the solenoid valve power loss of arrestment mechanism, the work that a pair of of band-type brake passes through spring force
With locking braked wheel, stall motor shaft rapidly by embracing the frictional force between the cap watt and braked wheel explained, to make elevator car
Compartment is stabilized ground stop layers.
However existing elevator traction mechanism still has following defect in secure context: due to existing arrestment mechanism
Power comes from spring and electromagnet, and the frequency of use of arrestment mechanism is extremely low, that is to say, that arrestment mechanism is usually all in one
Kind static standby mode when therefore, it is necessary to brake, is easy to lead to the failure of braking, Huo Zheyin because of the reasons such as stuck of spring
The stuck of electromagnet causes arrestment mechanism to be difficult to reset unlock.Furthermore arrestment mechanism in locking traction machine or traction sheave still
Make by frictional force realization, therefore the reliability of its locking is not high.
Summary of the invention
The purpose of the present invention is to solve reliably braking, safety are difficult to present in existing elevator traction mechanism not
High problem provides a kind of drag device with manual rescue mechanism, can realize when elevator device has a power failure or breaks down
The reliable braking of traction sheave is effectively prevented from carriage and rushes to summit or the safety accident at crouching bottom.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of drag device with manual rescue mechanism, comprising:
Elevator control system is used to control the operation and fault detection of elevator；
Traction machine, the power source as driving carriage lifting；
The movement that the hoist ropes of the traction sheave being connected with traction machine and winding on the traction sheave constitutes driving carriage lifting executes
Mechanism；
Worm gear mechanism, worm gear therein is coaxially connected with traction sheave, and worm and wheel is meshed, to constitute traction sheave
Lockable mechanism；
Synchronization mechanism, the isochronous controller including the protection motor, controllable traction machine and protection motor speed that are connect with worm screw,
Motor is protected to use servo motor, the isochronous controller controls traction machine and protection according to the transmission ratio of worm and wheel respectively
The revolving speed of motor keeps worm screw synchronous with the holding of the transmission ratio of the rotating ratio of turbine and worm and wheel；
Manual rescue device, hoist ropes end is wound on it, and the hoist ropes releasably wound when needing to rescue makes carriage
Leveling.
When protecting motor and any one appearance of traction machine is abnormal, elevator control system tripping protection motor and traction machine
Power supply.
A worm gear mechanism is arranged in the present invention, and worm gear and traction sheave are coaxially connected.It is known that worm and gear
With self-locking, that is to say, that worm gear is unable to drive worm screw rotation, and worm gear rotation can only be driven by worm screw.For this purpose, of the invention
One protection motor that worm screw can be driven to rotate is set, and protects motor and traction machine to be all made of and accurately controls watching for revolving speed
Take motor.In this way, isochronous controller can need to control the revolving speed of traction machine according to the operation of carriage, at the same time, according to worm gear
The revolving speed of the gearratio control protection motor of worm screw, makes to remain synchronous regime between worm screw, worm gear.That is, at this time
Worm gear be drive by traction machine, and worm screw is then by protection motor-driven, worm gear and worm screw as traction sheave
In mutually independent state, hindered so that worm screw be made not formed to the rotation of worm gear, protection motor is in light condition.When
When entire elevator device has a power failure, worm screw stops operating, and reliable mechanical self-latching can be formed to worm gear, to be formed to traction sheave
Reliable braking.When the exception that protection motor and the traction machine in the present invention occur can include: traction machine is out of control to lead to speed
More than maximum set value, worm gear can not be formed synchronous with worm screw at this time, and worm screw can hinder the rotation of worm gear automatically, to can avoid
The rapid aerating-holding of carriage or crouching bottom；Motor is out of control that turbine and worm screw is caused to be unable to precise synchronization for traction machine or protection, at this time snail
It will form between wheel and worm screw and contact with each other and interfere, protect the load of motor that can rise rapidly.When there is above-mentioned exception, elevator
Control system can tripping protection motor and traction machine power supply, traction sheave by worm and gear self-locking and reliably make
It is dynamic, so that it is guaranteed that the safety of elevator operation.It is known that in the prior art, worm and gear is a kind of with self-locking effect
Transmission mechanism, in order to improve safety, the sensor of some detectable carriage lifting speeds can be arranged in people on elevator, so as to
It cuts off the power when fast lifting occurs in carriage and brakes traction machine.And worm and gear of the invention had both had self-locking, together
When may make up a reliable mechanical sensing device, on the one hand ensure when abnormal conditions occur in power failure or traction machine reliably
Traction sheave is braked, the improper operating of traction machine on the other hand can be timely perceived, and then can dramatically ground hoisting elevator operation
When safety.When elevator faults are operating abnormally, elevator cutting power supply, worm gear mechanism is self-locking, and traction sheave stops operating,
If there is passenger in carriage, need to be rescued at the first time, avoid passenger in carriage panic, can be twined at this time by release
Around hoist ropes so that lift car leveling, this leveling can be also possible to carriage rising, mainly according further to sedan-chair with cage descending
Relationship between compartment overall weight and balance counterweight weight determines.When elevator works normally, manual rescue device is wanted
Hoist ropes is enwinded, hoist ropes cannot be made to unclamp, it is fixed for being also equivalent to hoist ropes and carriage at this time.Manual rescue device
It can be operated in carriage by passenger, in this way, the passenger in carriage can save oneself at the first time.
Preferably, the facewidth of the worm screw is 1-3mm smaller than the space width of worm gear, when protection motor driven worm and wheel
When keeping synchronous, discrete state is kept between worm tooth and worm-gear toothing.
Worm and gear of the invention is not the transmission mechanism of a transmission power when elevator operates normally, due to worm screw
The facewidth it is 1-3mm smaller than the space width of worm gear, therefore can have a gap between worm tooth and the tooth socket of worm gear, to make snail
Discrete state is kept between bar tooth and worm-gear toothing, can avoid generating contact friction between worm and wheel, while reducing synchronous control
Device processed to traction machine, protect motor speed control accuracy requirement, avoid because traction machine, protection motor between revolving speed it is slight partially
Difference causes the frequent shutdown of elevator.
Preferably, one end of the worm screw is connected with protection motor, the other end of worm screw and one can drive worm screw to turn
Dynamic rescue facility is associated.
When elevator exception occurs and shuts down, worm and gear brakes traction sheave, at this point, passenger can pass through the rescuing machine of auxiliary
Structure drives worm screw rotation, to drive traction sheave rotation by worm gear, keeps carriage mobile and realizes nearest leveling, passenger at this time
Can remove manually elevator gate and layer door and realize and save oneself.Unlike the prior art, rescue facility of the invention is simultaneously
Indirect driving traction machine, that is to say, that during entirely saving oneself, traction sheave be in always turbine and worm from lock control
Under, rescue facility positively can drive traction sheave to rotate, on the contrary, traction sheave can not reversely drag rescue facility's movement, thus
Be effectively prevented from because the reasons such as the part getting stuck of rescue facility or fault cause carriage rush to summit or crouching bottom.
Preferably, the rescue facility includes the rescue motor connecting with worm screw, the rescue motor and a standby electricity
Source electrical connection.
When elevator operates normally, rescue motor is in shutdown status；When elevator occur having a power failure or abnormal conditions and cut off
Traction machine, protect motor power supply when, backup power source can for rescue the motor short time in power supply, so as to make rescue motor can drive
Traction sheave rotation, and then make carriage with low speed elevation nearest leveling.
Preferably, the backup power source is battery.
Since the nearest leveling of carriage only need to be made, therefore, battery can be used as spare in we in emergency relief
Power supply to be conducive to simplify structure, and facilitates passenger to use.
Preferably, the backup power source is man-power generator, the man-power generator includes one and is arranged in carriage
Manpower driving element, when the power supply of synchronization mechanism and traction machine is cut off, the passenger in carriage can pass through manpower driving member
Part makes the rotor of man-power generator rotate power generation, to drive rescue motor rotation, and then drives traction sheave by worm screw, worm gear
Rotation.
Man-power generator is conducive to most passengers and realizes passenger self-rescue by way of self-generating, to can avoid because storing
Battery malfunction caused by the reasons such as battery discharge leads to not save oneself, and is conducive to improve the reliability saved oneself.
Preferably, the manpower driving element includes the sliding slot being vertically situated in car side wall and is located on sliding slot
Side and it is rotatably supported in the rotation axis on bearing block, rotation axis is connected with the rotor of man-power generator, is equipped in sliding slot
Can slide up and down sliding block, and sliding block is hinged at the bar of trampling that can be rotated in perpendicular, and rotation axis is equipped with driving
Wheel is equipped with one-way driving mechanism between driving wheel and rotation axis, one end of a traction rope is connected on sliding block, traction rope it is another
End connect simultaneously wind on the drive wheel, be arranged with disc spring on the rotating shaft, the outer end of disc spring is connected with rotating wheel, disc spring it is interior
End is connected with the bearing block of rotation axis, described to trample bar with a position of readiness straight up and be turned out to level
The operating position of state, when trampling bar and being in operating position, passenger can trample downwards bar, to move downwards with movable slider
It is dynamic, and then drive driving wheel to rotate forward by traction rope, disc spring takes up accumulation of energy at this time, and driving wheel passes through one-way driving mechanism band
The rotation of turn moving axis, and rotor is driven to rotate and generate electricity；When sliding block moves down in place, bar is trampled in release, and disc spring discharges energy
Amount, so that driving wheel be driven to rotate backward, traction rope band movable slider moves up reset at this time.
It is known that the strength of people's leg is significantly larger than the strength of hand, for this purpose, the present invention is creatively in the side of carriage
Setting one is moving up and down on wall tramples bar, and when needing emergency relief, passenger can be fluctuated outward and trample bar, make to trample at bar
In horizontal operating position, passenger is convenient to trample bar at this time, moves down to make to trample bar band movable slider, in turn
Driving wheel is driven to rotate forward by traction rope.Disc spring gradually takes up and accumulation of energy at this time, and driving wheel passes through one-way driving mechanism band
The rotation of turn moving axis, and rotor is driven to rotate and generate electricity；When sliding block moves down in place, bar is trampled in release, and disc spring discharges energy
Amount, so that driving wheel be driven to rotate backward, traction rope band movable slider moves up reset at this time.So on circulate, people can be realized
The lasting power generation of power generator.
Preferably, manual rescue device includes the worm gear mechanism of the roller and locking roller for winding hoist ropes
Loosen the manual driving device of hoist ropes with driving roller rotation.Roller can rotate, and roller is for winding hoist ropes, in worm gear
Under the locking of worm mechanism, roller is fixed from rotation, and the distance between hoist ropes and carriage will not change at this time, traction
Carriage can normally be drawn by hoist ropes when taking turns work；When traction sheave locking needs to rescue, manual driving device driving rolling
Cylinder rotation, roller discharge hoist ropes in rotation, so that the long hair of the hoist ropes between traction sheave and carriage changes, are draging
In the case that running wheel does not rotate, carriage can go up and down realization leveling.
The project plan comparison of manual driving device is more, can be various structures, preferably, manual driving device includes driving
Bar, the driving pulley being connected with drive rod, the synchronous belt of connecting worm and driving pulley, drive rod are extend into carriage.In sedan-chair
Rotation of drive rod in compartment, the driving pulley on drive rod pass through synchronous belt and drive worm screw rotation, worm drive turbine rotation, worm gear
Roller can be driven to rotate.
Preferably, manual driving device includes driving rope, the driving wheel being connected with worm screw, driving is restricted matches with driving wheel
It closes, driving rope is extend into carriage.The drawing driving rope in carriage, driving rope band move driving wheel rotation, and driving wheel drives worm screw
Rotation, worm drive turbine rotation, worm gear can drive roller to rotate.
Therefore, the invention has the following beneficial effects: traction sheave can be realized when elevator device has a power failure or breaks down
Reliable braking is effectively prevented from carriage and rushes to summit or the safety accident at crouching bottom.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Fig. 2 is a kind of structural schematic diagram of manpower driving element
Fig. 3 is a kind of top view of manual rescue device of the present invention；
Fig. 4 is another structural schematic diagram of manual rescue device.
In figure: 1, traction machine 2, worm gear mechanism 4, traction sheave 41, hoist ropes 5, protection motor 6, rescue
It helps motor 7, mounting platform 8, carriage 81, sliding slot 82, rotation axis 821, bearing block 83, sliding block 84, trample
Bar 85, driving wheel 86, traction rope 87, disc spring 10, right roller 14, the cylinder 16 that rolls left, synchronous belt 26, main belt
Take turns 28, driving wheel.
Specific embodiment
The present invention will be further described with specific embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of drag device with manual rescue mechanism, including the installation at the top of elevator shaft is arranged in
Traction machine 1 on platform 7, traction machine is using servo motor, and in order to accurately control its revolving speed, carrying means are at driving sedan-chair
The power source of compartment lifting.A coaxially connected traction sheave 4 on the output shaft of traction machine is arranged with hoist ropes 41 on traction sheave, drags
One end of messenger is connected after bypassing angle pulley with carriage 8, and the other end of hoist ropes is connected after bypassing angle pulley with counterweight 9
It connects, traction sheave and hoist ropes collectively form the action actuating mechanism that driving carriage is gone up and down.When traction machine output torque is draged with driving
When running wheel rotates, the hoist ropes one end decline of winding on the traction sheave, the other end rises, to drive the lifting of carriage.When with
Hoist ropes one end connection carriage rise when, connect with the hoist ropes other end to re-synchronize decline；Conversely, working as and hoist ropes one
Hold connection cage descending when, connect with the hoist ropes other end to re-synchronize rising.
In addition, the present invention needs to be arranged a worm gear mechanism 2, wherein the wheel shaft of worm gear and traction sheave is coaxially connected,
The worm screw being arranged on mounting platform engages with turbine.Since the worm and gear of intermeshing together has self-locking,
That is worm gear is unable to drive worm screw rotation, worm gear rotation can only be driven by worm screw.Therefore, intermeshing worm and gear can
Constitute the lockable mechanism of traction sheave.
Certainly, in order to ensure the normal operation of elevator, the invention also includes a synchronization mechanisms, to make worm screw and turbine
Rotating ratio it is synchronous with the holding of the transmission ratio of worm and wheel.That is, worm screw protects when traction sheave and worm gear stop operating
Hold static, worm screw at this time can form worm gear reliable self-locking；When the rotation of traction machine driving traction sheave, to go up and down carriage
When, worm gear follows wheel rotation, and synchronization mechanism rotates worm screw at this time, and makes the rotating ratio of worm screw and turbine and worm screw and snail
The transmission ratio of wheel keeps synchronizing.In this way, worm screw worm gear will not be formed it is self-locking, traction sheave can normal rotation, and turbine and snail
Bar distinguishes right traction sheave and synchronization mechanism driving, does not have the transmission of torque between worm gear and worm screw, at synchronization mechanism at this time
In light condition.When elevator power failure or system occur abnormal, synchronization mechanism and traction sheave are cut off the power simultaneously, at this time
Worm screw can form worm gear reliable self-locking.It is understood that the present invention also needs one elevator control system of setting, so as to
The operation of elevator is controlled, while detecting the failure or abnormal conditions of elevator, is timely acted to make, to ensure electricity
The safety of ladder operation.Since elevator control system is the prior art that all elevators all have, in the present embodiment not
Do specific description.
Specifically, synchronization mechanism of the invention includes the isochronous controller with servo control module, connect with worm screw
Motor 5 is protected, protection motor equally uses servo motor, and isochronous controller accurately controls traction machine and protects turning for motor
Speed.Isochronous controller controls the revolving speed of traction machine according to the operating condition of lift car first, then according to worm and wheel
Gearratio control protects the revolving speed of motor, so that it is guaranteed that the transmission ratio of the rotating ratio and worm and wheel of worm screw and turbine keeps same
Step, and then worm and worm wheel is made to keep independent rotation, protection motor at this time is in light condition.If the traction machine of elevator
There is exception in revolving speed control, abnormal so as to cause the generation of carriage lifting speed, or the revolving speed control appearance exception of protection motor,
Turbine and the revolving speed of worm screw can not match at this time, interfere with each other to be formed between worm and gear, drive the guarantor of worm screw at this time
The load for protecting motor can rapid increase.When protection motor load is more than turn of maximum set value or traction machine and protection motor
When deviation between speed and setting value is more than permissible value, it is abnormal that elevator control system assert that elevator device occurs, and cuts off at this time
The power supply for protecting motor and traction machine constitutes worm screw to the reliable self-locking of worm gear, to realize the reliable braking of traction sheave, keeps away
Exempt from carriage occurs to rush to summit or the safety accident at crouching bottom.As long as it should be noted that in the present invention protect motor revolving speed it is normal when,
Then traction sheave is unable to drive worm gear quick rotation.And if load can rapidly rise when the revolving speed of protection motor is too fast, elevator
Control system can tripping protection motor and traction machine power supply, so that it is guaranteed that elevator operation safety.
In addition, the facewidth of worm screw of the present invention 1-3mm small than the space width of worm gear, preferred value 2mm.In this way, when protecting
When shield motor driven worm and wheel keeps synchronous, it can make to keep discrete state between worm tooth and worm-gear toothing.That is, snail
The gap of best 1mm is kept between bar tooth and worm-gear toothing, to avoid friction interference is generated between worm and worm wheel, it is ensured that protection electricity
Machine is in light condition.
In order to which when elevator breaks down, passenger saves oneself in time, our settable corresponding rescue facilities, so as to tight
Anxious moment driving worm screw rotation, and then traction sheave rotation is driven by turbine.Specifically, we can make one end and the protection of worm screw
Motor is connected, and the other end of worm screw is connected with a rescue motor 6, which is usually in shutdown status, that is,
It says, the motor shaft for rescuing motor follows worm gear to rotate together.When elevator occur having a power failure or abnormal conditions and cut off traction machine, protection
When the power supply of motor, passenger can press the button of saving oneself in carriage, to start rescue motor, rescuing motor at this time be can be driven
Worm screw rotation, and then worm gear rotation is driven by worm screw, it is final to drive traction sheave rotation, keep carriage mobile and realizes flat nearby
Layer, passenger can leave carriage in time and complete to save oneself.
In order to ensure reliably saving oneself in any case, our settable backup power source being made of battery, from
It and is rescue motor power supply in elevator power failure.In addition, backup power source is also possible to a manpower small-sized by manually driven
Generator, so that the passenger in carriage is that emergent self-rescue is completed in rescue motor power supply by man-power generator self-generating.It should
Man-power generator includes the generator unit (not shown) with stator and rotor, the manpower driving for driving rotor to rotate
Element.Passenger in carriage can make the rotor of man-power generator rotate power generation by manpower driving element, to drive rescue electricity
Machine rotation, and then traction sheave rotation is driven by worm screw, worm gear.
Further, as shown in Fig. 2, manpower driving element includes the sliding slot 81 being vertically situated in car side wall and position
Above sliding slot and the rotation axis 82 that is rotatably supported on bearing block 821, rotation axis are connected with the rotor of generator unit,
To make rotation axis directly rotor can be driven to rotate.Preferably, chain can be respectively set on the armature spindle of rotation axis and generator unit
It takes turns, winding driving chain between two sprocket wheels, so that rotation axis be made to be connected by driving chain with rotor.In this way, we can
Generator unit is arranged in the top of carriage, so that structure be facilitated to arrange.In addition, the sliding block that can slide up and down is arranged in sliding slot
83, what being hinged at of sliding block can rotate in perpendicular tramples bar 84, tramples bar with straight up standby
It position and is turned out to the operating position of horizontality.When trampling bar and being in position of readiness, tramples bar and be close to the interior of carriage
Side wall；When trampling bar and being in operating position, the limited block on sliding block, which makes to trample bar, is maintained at horizontality, in order to passenger to
Under trample bar.
Certainly, we also need to be arranged on the rotating shaft a driving wheel 85, and the race of U-shaped is arranged in the edge of driving wheel,
And one-way driving mechanism is set between driving wheel and rotation axis.On sliding block connect a traction rope 86, traction rope it is another
End connects and in the race of driving wheel.In this way, can be moved downwards with movable slider when passenger tramples bar downwards
It is dynamic, to drive driving wheel to rotate forward by traction rope, and then rotation axis rotation is driven by one-way driving mechanism, with driving
Rotor is rotated and is generated electricity.It should be noted that we can also be located at one disc spring of rotating wheel side position winding on the rotating shaft
87, the outer end of disc spring is connected with the side of rotating wheel, and the inner end of disc spring is connected with the bearing block of rotation axis.As such, it is desirable to
When rescue, passenger can will first trample bar and be turned out to horizontal operating position, bar then be trampled downwards, to drive cunning
Block moves down, and then drives driving wheel to rotate forward by traction rope, and disc spring takes up accumulation of energy at this time, and driving wheel is by unidirectionally passing
Motivation structure drives rotation axis rotation, and rotor is driven to rotate and generate electricity；When sliding block moves down in place, bar, disk are trampled in release
Spring releases energy, so that driving wheel be driven to rotate backward, traction rope band movable slider moves up reset at this time.It loops back and forth like this, i.e.,
Man-power generator can be made to continue to generate electricity.
Further, as shown in Figure 3,4, in the present embodiment, hoist ropes is two groups, therefore roller is also two groups, is respectively
Roll left cylinder 14 and right roller 10, and manual rescue device includes the worm and gear machine of the roller and locking roller for winding hoist ropes
The manual driving device of hoist ropes is loosened in structure and driving roller rotation.Roller can rotate, and roller is for winding hoist ropes, in snail
Under the locking of worm and gear mechanism, roller is fixed from rotation, and the distance between hoist ropes and carriage will not change at this time, drags
Running wheel can normally draw carriage by hoist ropes when working；When traction sheave locking needs to rescue, manual driving device driving
Roller rotation, roller discharges hoist ropes in rotation, so that the long hair of the hoist ropes between traction sheave and carriage changes,
In the case that traction sheave does not rotate, carriage can go up and down realization leveling.The project plan comparison of manual driving device is more, can be a variety of
Structure, manual driving device include drive rod, the driving pulley 26 being connected with drive rod, and connecting worm is synchronous with driving pulley
Band 16, drive rod is extend into carriage.The rotation of drive rod in carriage, the driving pulley on drive rod drive snail by synchronous belt
Bar rotation, worm drive turbine rotation, worm gear can drive roller to rotate.Manual driving device includes driving rope, with worm screw phase
Driving wheel 28 even, driving rope cooperate with driving wheel, and driving rope is extend into carriage.The drawing driving rope in carriage, driving rope
Driving wheel rotation is driven, driving wheel drives worm screw rotation, and worm drive turbine rotation, worm gear can drive roller to rotate.
Claims (10)
1. a kind of drag device with manual rescue mechanism, characterized in that include:
Elevator control system is used to control the operation and fault detection of elevator；
Traction machine, the power source as driving carriage lifting；
The movement that the hoist ropes of the traction sheave being connected with traction machine and winding on the traction sheave constitutes driving carriage lifting executes
Mechanism；
Worm gear mechanism, worm gear therein is coaxially connected with traction sheave, and worm and wheel is meshed, to constitute traction sheave
Lockable mechanism；
Synchronization mechanism, the isochronous controller including the protection motor, controllable traction machine and protection motor speed that are connect with worm screw,
Motor is protected to use servo motor, the isochronous controller controls traction machine and protection according to the transmission ratio of worm and wheel respectively
The revolving speed of motor keeps worm screw synchronous with the holding of the transmission ratio of the rotating ratio of turbine and worm and wheel；
When protecting motor and any one appearance of traction machine is abnormal, the electricity of elevator control system tripping protection motor and traction machine
Source；
Manual rescue device, hoist ropes end is wound on it, and the hoist ropes releasably wound when needing to rescue makes carriage
Leveling.
2. a kind of drag device with manual rescue mechanism according to claim 1, characterized in that the tooth of the worm screw
Width is 1-3mm smaller than the space width of worm gear, when protecting motor driven worm and wheel to keep synchronous, between worm tooth and worm-gear toothing
Keep discrete state.
3. a kind of drag device with manual rescue mechanism according to claim 1, characterized in that the one of the worm screw
End is connected with protection motor, and the other end of worm screw is associated with the rescue facility that one can drive worm screw to rotate.
4. a kind of drag device with manual rescue mechanism according to claim 3, characterized in that the rescue facility
Including the rescue motor connecting with worm screw, the rescue motor is electrically connected with a backup power source.
5. a kind of drag device with manual rescue mechanism according to claim 4, characterized in that the backup power source
For battery.
6. a kind of drag device with manual rescue mechanism according to claim 4, characterized in that the backup power source
For man-power generator, the man-power generator includes the manpower driving element being arranged in carriage, when synchronization mechanism and is draged
When drawing the power supply of machine and being cut off, the passenger in carriage can make the rotor of man-power generator rotate power generation by manpower driving element,
To drive rescue motor rotation, and then traction sheave rotation is driven by worm screw, worm gear.
7. a kind of drag device with manual rescue mechanism according to claim 5, characterized in that the manpower driving
Element includes the sliding slot being vertically situated in car side wall and above sliding slot and is rotatably supported on bearing block
Rotation axis, rotation axis are connected with the rotor of man-power generator, and the sliding block that can slide up and down, the side hinge of sliding block are equipped in sliding slot
It is connected to the bar of trampling that can be rotated in perpendicular, rotation axis is equipped with driving wheel, is equipped between driving wheel and rotation axis unidirectional
One end of transmission mechanism, a traction rope is connected on sliding block, and the other end of traction rope is connected and wound on the drive wheel, is being rotated
Disc spring is arranged on axis, the outer end of disc spring is connected with rotating wheel, and the inner end of disc spring is connected with the bearing block of rotation axis, described
Bar is trampled with a position of readiness straight up and is turned out to the operating position of horizontality, is in work when trampling bar
When making position, passenger can trample downwards bar, to move down with movable slider, and then drive driving wheel just by traction rope
To rotation, disc spring takes up accumulation of energy at this time, and driving wheel drives rotation axis to rotate by one-way driving mechanism, and drive rotor to rotate and
Power generation；When sliding block moves down in place, bar is trampled in release, and disc spring releases energy, to drive driving wheel to rotate backward, at this time
Traction rope band movable slider moves up reset.
8. a kind of drag device with manual rescue mechanism described according to claim 1 or 2 or 3 or 4 or 5 or 6 or 7,
It is characterized in, manual rescue device includes the worm gear mechanism and driving roller of the roller and locking roller for winding hoist ropes
The manual driving device of hoist ropes is loosened in rotation.
9. a kind of drag device with manual rescue mechanism according to claim 8, characterized in that manual driving device
Including drive rod, the driving pulley being connected with drive rod, the synchronous belt of connecting worm and driving pulley, drive rod extend into carriage
It is interior.
10. a kind of drag device with manual rescue mechanism according to claim 8, characterized in that manual actuation dress
It sets and restricts including driving, the driving wheel being connected with worm screw, driving rope cooperates with driving wheel, and driving rope is extend into carriage.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710965137 | 2017-10-17 | ||
| CN2017109651374 | 2017-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109665402A true CN109665402A (en) | 2019-04-23 |
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ID=63283437
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| CN201711298667.4A Pending CN109665418A (en) | 2017-10-17 | 2017-12-08 | A kind of elevator traction mechanism |
| CN201721701151.5U Expired - Fee Related CN207792432U (en) | 2017-10-17 | 2017-12-08 | A kind of drag device with manual rescue device |
| CN201711299460.9A Pending CN109665419A (en) | 2017-10-17 | 2017-12-08 | A kind of drag device with manual rescue device |
| CN201721701152.XU Expired - Fee Related CN207792401U (en) | 2017-10-17 | 2017-12-08 | A kind of two-shipper drag device |
| CN201711298668.9A Pending CN109665401A (en) | 2017-10-17 | 2017-12-08 | A kind of elevator emergent rescue mechanism |
| CN201711297826.9A Active CN109665406B (en) | 2017-10-17 | 2017-12-08 | Double-machine traction device |
| CN201711425731.0A Pending CN109665416A (en) | 2017-10-17 | 2017-12-25 | A kind of counterweight arragement construction in elevator traction system |
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| CN201721839185.0U Expired - Fee Related CN207827649U (en) | 2017-10-17 | 2017-12-25 | The opposed carrying means of elevator counterweight |
| CN201721839184.6U Expired - Fee Related CN208037803U (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with rescue door machine |
| CN201711424491.2A Pending CN109665421A (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection system |
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| CN201721839786.1U Expired - Fee Related CN207827627U (en) | 2017-10-17 | 2017-12-25 | A kind of counterweight arrangement in elevator traction system |
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| CN201711424492.7A Pending CN109665395A (en) | 2017-10-17 | 2017-12-25 | Two-shipper towed elevator configured with safety return circuit detection system |
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| CN201711424490.8A Pending CN109665394A (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection |
| CN201711423217.3A Pending CN109665420A (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with safety tongs |
| CN201711425678.4A Pending CN109665403A (en) | 2017-10-17 | 2017-12-25 | A kind of concealed two-shipper drag device of counterweight |
| CN201711425712.8A Active CN109665426B (en) | 2017-10-17 | 2017-12-25 | Counter weight opposite traction mechanism of elevator |
| CN201721834840.3U Expired - Fee Related CN208103630U (en) | 2017-10-17 | 2017-12-25 | A kind of concealed two-shipper drag device of counterweight |
| CN201711425729.3A Active CN109665396B (en) | 2017-10-17 | 2017-12-25 | Elevator lifting anti-misoperation mechanism |
| CN201721836246.8U Expired - Fee Related CN208249599U (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection |
| CN201711424564.8A Pending CN109665402A (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with manual rescue mechanism |
| CN201711425687.3A Pending CN109665407A (en) | 2017-10-17 | 2017-12-25 | A kind of two-shipper towed elevator based on safety return circuit detection |
| CN201711425682.0A Pending CN109665429A (en) | 2017-10-17 | 2017-12-25 | A kind of gate layer door system based on safety return circuit detection |
| CN201721834837.1U Expired - Fee Related CN208631856U (en) | 2017-10-17 | 2017-12-25 | Two-shipper towed elevator configured with safety return circuit detection system |
| CN201721838853.8U Expired - Fee Related CN207827644U (en) | 2017-10-17 | 2017-12-25 | A kind of opposed tracting structure of elevator |
| CN201721834750.4U Expired - Fee Related CN208544972U (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection system |
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| CN201721839486.3U Expired - Fee Related CN208037765U (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with manual rescue mechanism |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711298667.4A Pending CN109665418A (en) | 2017-10-17 | 2017-12-08 | A kind of elevator traction mechanism |
| CN201721701151.5U Expired - Fee Related CN207792432U (en) | 2017-10-17 | 2017-12-08 | A kind of drag device with manual rescue device |
| CN201711299460.9A Pending CN109665419A (en) | 2017-10-17 | 2017-12-08 | A kind of drag device with manual rescue device |
| CN201721701152.XU Expired - Fee Related CN207792401U (en) | 2017-10-17 | 2017-12-08 | A kind of two-shipper drag device |
| CN201711298668.9A Pending CN109665401A (en) | 2017-10-17 | 2017-12-08 | A kind of elevator emergent rescue mechanism |
| CN201711297826.9A Active CN109665406B (en) | 2017-10-17 | 2017-12-08 | Double-machine traction device |
| CN201711425731.0A Pending CN109665416A (en) | 2017-10-17 | 2017-12-25 | A kind of counterweight arragement construction in elevator traction system |
| CN201711423198.4A Pending CN109665412A (en) | 2017-10-17 | 2017-12-25 | A kind of opposed drag device of elevator |
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| CN201721839185.0U Expired - Fee Related CN207827649U (en) | 2017-10-17 | 2017-12-25 | The opposed carrying means of elevator counterweight |
| CN201721839184.6U Expired - Fee Related CN208037803U (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with rescue door machine |
| CN201711424491.2A Pending CN109665421A (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection system |
| CN201711425699.6A Active CN109665417B (en) | 2017-10-17 | 2017-12-25 | Four-door elevator car |
| CN201721839786.1U Expired - Fee Related CN207827627U (en) | 2017-10-17 | 2017-12-25 | A kind of counterweight arrangement in elevator traction system |
| CN201721837182.3U Expired - Fee Related CN208037768U (en) | 2017-10-17 | 2017-12-25 | A kind of two-shipper towed elevator based on safety return circuit detection |
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| CN201711424492.7A Pending CN109665395A (en) | 2017-10-17 | 2017-12-25 | Two-shipper towed elevator configured with safety return circuit detection system |
| CN201721838714.5U Expired - Fee Related CN208037802U (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with safety tongs |
| CN201711424490.8A Pending CN109665394A (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection |
| CN201711423217.3A Pending CN109665420A (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with safety tongs |
| CN201711425678.4A Pending CN109665403A (en) | 2017-10-17 | 2017-12-25 | A kind of concealed two-shipper drag device of counterweight |
| CN201711425712.8A Active CN109665426B (en) | 2017-10-17 | 2017-12-25 | Counter weight opposite traction mechanism of elevator |
| CN201721834840.3U Expired - Fee Related CN208103630U (en) | 2017-10-17 | 2017-12-25 | A kind of concealed two-shipper drag device of counterweight |
| CN201711425729.3A Active CN109665396B (en) | 2017-10-17 | 2017-12-25 | Elevator lifting anti-misoperation mechanism |
| CN201721836246.8U Expired - Fee Related CN208249599U (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection |
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| CN201711425682.0A Pending CN109665429A (en) | 2017-10-17 | 2017-12-25 | A kind of gate layer door system based on safety return circuit detection |
| CN201721834837.1U Expired - Fee Related CN208631856U (en) | 2017-10-17 | 2017-12-25 | Two-shipper towed elevator configured with safety return circuit detection system |
| CN201721838853.8U Expired - Fee Related CN207827644U (en) | 2017-10-17 | 2017-12-25 | A kind of opposed tracting structure of elevator |
| CN201721834750.4U Expired - Fee Related CN208544972U (en) | 2017-10-17 | 2017-12-25 | Elevator traction mechanism with safety return circuit detection system |
| CN201721837178.7U Expired - Fee Related CN208054690U (en) | 2017-10-17 | 2017-12-25 | Elevator configured with safety return circuit detecting system and manual rescue device |
| CN201711425674.6A Pending CN109665422A (en) | 2017-10-17 | 2017-12-25 | Elevator configured with safety return circuit detection system and manual rescue device |
| CN201721845421.XU Expired - Fee Related CN208037781U (en) | 2017-10-17 | 2017-12-25 | The opposed drag device of elevator |
| CN201711425732.5A Pending CN109665423A (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with rescue door machine |
| CN201721839486.3U Expired - Fee Related CN208037765U (en) | 2017-10-17 | 2017-12-25 | A kind of drag device with manual rescue mechanism |
| CN201810668905.4A Active CN109665424B (en) | 2017-10-17 | 2018-06-26 | Self-locking elevator for preventing mistaken movement of flat floor |
| CN201820989189.5U Expired - Fee Related CN208544986U (en) | 2017-10-17 | 2018-06-26 | A kind of anti-error shifting self locking elevator of leveling |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113526311A (en) * | 2021-06-28 | 2021-10-22 | 嘉世达电梯有限公司 | Large-tonnage traction machine with self-locking protection function for elevator |
| CN115182632A (en) * | 2022-08-03 | 2022-10-14 | 江西中天智能装备股份有限公司 | Scheme for storing and taking vehicles in power failure of vertical circulation stereo garage |
| CN115182632B (en) * | 2022-08-03 | 2023-08-25 | 江西中天智能装备股份有限公司 | Car storing and taking device for vertical circulation stereo garage during power failure |
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