CN208103630U - A kind of concealed two-shipper drag device of counterweight - Google Patents
A kind of concealed two-shipper drag device of counterweight Download PDFInfo
- Publication number
- CN208103630U CN208103630U CN201721834840.3U CN201721834840U CN208103630U CN 208103630 U CN208103630 U CN 208103630U CN 201721834840 U CN201721834840 U CN 201721834840U CN 208103630 U CN208103630 U CN 208103630U
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- Prior art keywords
- counterweight
- traction sheave
- worm screw
- traction
- worm
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Classifications
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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
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- 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
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- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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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- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
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- 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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- 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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- B66—HOISTING; LIFTING; HAULING
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- B66B17/00—Hoistway equipment
- B66B17/12—Counterpoises
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- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
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- 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
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- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
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- 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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- 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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- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B7/00—Other common features of elevators
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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 utility model relates to a kind of concealed two-shipper drag devices of counterweight, it solves existing elevator and emergency braking is carried out by band-type brake, be easy because the enclasping force of band-type brake is insufficient, cause carriage can not fast braking, the defect that braking reliability is low, elevator safety is not high, including:Traction machine, traction sheave, worm gear mechanism and synchronization mechanism, by be arranged symmetrically and be hidden in the hoistway with interior liftway to reconnection hoist ropes and carriage and balance carriage.Worm gear is coaxially connected with traction sheave and rotates synchronously in company with traction sheave, and synchronization mechanism connect with worm screw and worm screw is driven to keep rotating synchronously with worm gear.Worm and wheel engagement constitutes the lockable mechanism of traction sheave, and the reliable braking of traction sheave can be realized when elevator device has a power failure or breaks down, carriage is effectively prevented from and rushes to summit or the safety accident at crouching bottom.
Description
Technical field
The utility model relates to a kind of drag device, especially a kind of counterweight with main traction motor and rescue motor is hidden
Concealed two-shipper drag device.
Background technique
In skyscraper, in order to adapt to the demand of height change, lifting device is a kind of corollary equipment of indispensability, such as electricity
Ladder can bring great convenience to user.
Elevator is a kind of using motor as the vertical conveyor of power, also known as vertical lift.Vertical lift is hung equipped with box-like
Cabin multiplies people or carrying cargo for tier building.It is automatically controlled from the modernization of earliest first step safety escalator till now
Elevator, although the driving of elevator is most or uses traction-type driving mechanism, including one sets by the development of centuries
The traction machine in well headroom is set, traction machine connects traction sheave, and hoist ropes is full of on traction sheave, and one end of hoist ropes connects sedan-chair
Compartment, the other end of hoist ropes connect the counterweight for balancing car weight.When traction machine driving traction sheave rotation, it is wound around and drags
Rub the tractive force of generation between hoist ropes and traction sheave on running wheel, realizes the elevating movement of carriage and counterweight.
In use, the accident of most serious is exactly rapid aerating-holding or the crouching bottom of carriage to elevator, and less serious case leads to passenger's body
Body and elevator it is impaired, it is serious to result even in passenger's death.For this purpose, people devise and various lift running safety can be improved
Property device and method, wherein most important mode be exactly on traction machine be arranged an Electromagnetic Control arrestment mechanism.Work as electricity
Ladder have a power failure or because elevator failure cause control system can not to elevator supply, electromagnet power loss in arrestment mechanism and lose
Magnetic power is removed, arrestment mechanism continues to act by the active force of tripping spring at this time, and locking braking can be realized to traction machine;
When elevator has electricity, the electromagnet in arrestment mechanism obtain it is electric, to be arrestment mechanism contact to the locking of traction machine, elevator can be normal
Operation.
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.
But the arrestment mechanism of this structure, band-type brake is needed to apply enclasping force, if the enclasping force of band-type brake is insufficient, sedan-chair
Compartment can not fast braking be easy to cause in carriage passenger panic there is also lifting moving.And after band-type brake holds braking tightly, scene
It cannot achieve and save oneself, need to be carried out external rescue by special rescue personnel by the mechanism of a series of complex, rescue waits
Time it is long, than relatively hazardous, the passenger in carriage cannot be rescued the process of rescue at the first time, may be delayed and be rescued
The opportunity helped.
Summary of the invention
The utility model solve existing elevator by band-type brake carry out emergency braking, be easy because band-type brake enclasping force not
Foot, cause carriage can not fast braking, it is concealed to provide a kind of counterweight the defect that braking reliability is low, elevator safety is not high
Two-shipper drag device, elevator device break down when can fast braking, and directly by way of a kind of traction sheave locking into
The braking of row locking, braking reliability is high, and carriage can effectively be avoided to rush to summit or the safety accident at crouching bottom.
The utility model also solves existing elevator and can not save oneself, and external professional rescue team is needed to be rescued,
It is waiting for a long time in carriage, it is also easy to lose the defect of the first rescue time, a kind of concealed two-shipper drag device of counterweight is provided,
It with rescue motor, can be saved oneself in carriage by passenger, win for the first rescue time, improve elevator safety.
The utility model provides a kind of concealed two-shipper drag device of counterweight, and counterweight is arranged by the way of diagonal, is avoided
The side wall of carriage realizes the multidirectional enabling of carriage.
The utility model provides a kind of concealed two-shipper drag device of counterweight, using cavity type hoistway column, and by counterweight
It is set in the cavity of hoistway column, realizes fully transparent hoistway and carriage.
The specific technical solution of the utility model is:A kind of concealed two-shipper drag device of counterweight, including:
Traction machine, the power source as carriage lifting;
Traction sheave connect with traction machine and is driven by traction machine, and hoist ropes is arranged on traction sheave, and hoist ropes connects carriage
And draw carriage lifting;
Counterweight is arranged symmetrically and is hidden in the hoistway with interior liftway, and one end of counterweight and hoist ropes, which connects, to be used
In balance carriage;
Worm gear mechanism, worm gear is coaxially connected with traction sheave and rotates synchronously in company with traction sheave, worm and wheel engagement
Constitute the lockable mechanism of traction sheave;
Synchronization mechanism connect with worm screw and worm screw is driven to keep rotating synchronously with worm gear, when elevator runs well, worm screw
It is mutually separated always with worm gear.
A worm gear mechanism is arranged in the utility model, and worm gear and traction sheave are coaxially connected.It is known that worm gear
Worm screw has 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, this
A synchronization mechanism is arranged to realize that worm and wheel is synchronous in utility model, and worm and wheel keeps synchronizing, and worm screw would not be right
Worm gear causes self-locking, and when system blackout, worm screw stops operating, and reliable mechanical self-latching can be formed to worm gear, thus to draging
Running wheel forms reliable braking;When traction machine is out of control leads to velocity anomaly, worm gear can not form synchronous, worm screw at this time with worm screw
The rotation of worm gear can be hindered automatically, to can avoid carriage rapid aerating-holding or crouching bottom.It is known that in the prior art, worm gear
Worm screw is a kind of transmission mechanism with self-locking effect, and in order to improve safety, people can be arranged some detectable on elevator
The sensor of carriage lifting speed, to cut off the power when fast lifting occurs in carriage and to brake traction machine.And this is practical new
On the one hand the worm and gear of type has self-locking, while may make up a reliable mechanical sensing device, on the one hand ensures
Traction sheave is reliably braked when abnormal conditions occur in power failure or traction machine, on the other hand can timely perceive the non-of traction machine
Run well, so can significantly hoisting elevator run when safety.The worm gear of the utility model turns in company with traction sheave is synchronous
Dynamic, the load of worm screw is far smaller than the load of traction sheave, it may be said that worm screw is equivalent to non-loaded, therefore the safety of synchronization mechanism
Can be reliable, it is higher compared to the carrying means safety coefficient that traction machine and traction sheave form, therefore synchronization mechanism substantially will not
Reaction is caused to carrying means.The worm and gear of the utility model is not a transmission power when elevator operates normally
Mechanism, and the facewidth of worm screw can be smaller than the space width of worm gear, therefore can have between one between worm tooth and the tooth socket of worm gear
Gap can avoid generating contact friction between worm and wheel, simultaneously to make to keep discrete state between worm tooth and worm-gear toothing
Isochronous controller is reduced to the control accuracy requirement of traction machine, synchronous motor revolving speed, is avoided because turning between traction machine, synchronous motor
The slight deviations of speed cause the frequent shutdown of elevator.Certainly this is a kind of optimal working condition, and worm and wheel is not in contact,
Also abrasion and noise etc. would not be generated, and this gap is also beneficial to improve the fault-tolerant ability of elevator, as long as keeping in fact
Worm and wheel is synchronous.
Preferably, synchronization mechanism uses servo motor, or using the purely mechanic kind of drive by worm screw and traction machine or
Person's traction sheave is connected.Synchronization mechanism uses servo motor, and connection is more convenient, there is a speed between servo electrode and traction machine
Match;Synchronization mechanism can also use pure mechanic structure, and synchronization mechanism uses mechanically operated mode, high reliablity, failure
Rate is lower, eliminates automatically controlled, reduces costs, also avoids automatically controlled bring unstable factor, that is to say, that worm gear at this time
It is to be driven by traction machine, and worm screw is then by synchronous machine drives as traction sheave, worm gear and worm screw are in phase
Mutual independent state hinders so that worm screw be made not formed to the rotation of worm gear.The power source of synchronization mechanism can come from traction
Machine is also possible to come from traction sheave, can also be from worm gear, and certainly, the power source from worm gear is transferred to worm screw and needs to set
A clutch is set, which can disconnect transmission when needing worm screw self-locking, and the difference of power source just needs to design
The appropriate transmission ratio of synchronization mechanism, thus to guarantee that worm and gear is synchronous.
Preferably, synchronization mechanism connects traction machine and worm screw, traction machine when synchronization mechanism uses the purely mechanic kind of drive
As the input source of synchronization mechanism, worm screw is the output tail of synchronization mechanism;Or synchronization mechanism connects traction sheave and worm screw, traction
The input source as synchronization mechanism is taken turns, worm screw is the output tail of synchronization mechanism.Input source of the traction machine as synchronization mechanism, worm gear
It is to rely on traction machine again to drive, traction machine drives traction sheave that can slow down by primary, and worm gear has the biography of setting with worm screw again
Dynamic ratio, therefore synchronization mechanism is just needed according to traction machine and the transmission ratio of worm screw come the transmission ratio of final design synchronization mechanism;Or
Person's traction sheave is as input source, that is to say, that the output mechanisms such as gear or synchronous belt are set in the rotation axis of traction sheave, this
When synchronization mechanism transmission ratio to be designed according to the transmission ratio between traction sheave and worm screw.
Preferably, synchronization mechanism includes a drive rod, drive rod is parallel with the pivot center of traction sheave, drive rod and snail
Between bar by can 90 ° change transmission directions transmission mechanisms connection.The pivot center phase of the pivot center of worm screw and traction sheave
Vertically, thus synchronization mechanism include a drive rod and one can 90 ° steering transmission mechanisms, by 90 ° of transmission mechanism turn to after, pass
Lever rotation direction identical with traction sheave passes to worm screw.
Preferably, counterweight is two groups, two groups of counterweights are placed in the two sides of traction sheave, and hoist ropes is divided into two groups, and two groups are draged
Messenger, which is placed in, traction sheave two sides and forms over 180 ° of cornerite with traction sheave.
Preferably, the axis of traction motor, traction sheave corresponds to the diagonal line arrangement of carriage, counterweight corresponds to the another of carriage
Diagonal line arrangement.
Preferably, hoistway is free-standing hoistway, hoistway includes the fixed hoistway column and hoistway crossbeam of mutual splicing, well
It is the internal cavity being connected to up and down inside road column, internal cavity forms interior liftway, and counterweight is in internal cavity.Free-standing hoistway
Expression is not formed with building construction, is fabricated separately, is only established connection with building;In hoistway column
Portion is connected to up and down, and counterweight is hidden in hoistway column, and the oscilaltion of such counterweight will not be seen.
Preferably, counterweight is the strip for adapting to liftway, including counterweight main body 301, it is fixed on counterweight main body two
The counterweight lateral mass 303 of side, the back fixation of counterweight main body have block 306 after counterweight, and counterweight main body corresponds to the upper and lower side of counterweight lateral mass
The position in portion is fixed with counterweight oriented module 302.
Preferably, being connected with rescue motor on worm screw.Rescue motor is connected with worm screw, when traction system has a power failure, drags
Running wheel stops operating, and at this time by rescue motor driven worm screw, worm screw drives worm gear, worm-gear driven traction sheave rotation, thus real
It now rescues, the electric energy for rescuing motor can be by the battery in carriage, or a hand generating equipment is arranged in carriage and gives
Rescue electric power generation.
The utility model has the beneficial effects that:The reliable system of traction sheave can be realized when elevator device has a power failure or breaks down
It is dynamic, it is effectively prevented from carriage and rushes to summit or the safety accident at crouching bottom;Counterweight externally visibly will not increase visual experience after hiding.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first embodiment of the utility model;
Fig. 2 is the structural schematic diagram of second of embodiment of the utility model;
Fig. 3 is a kind of top view of the utility model;
Fig. 4 is a kind of structural schematic diagram of hoistway column of the utility model;
Fig. 5 is a kind of counterweight design schematic diagram of the utility model;
In figure:1, traction machine, 2, shaft coupling, 3, traction sheave, 4, servo motor, 5, worm gear mechanism, 6, encoder, 7,
Driven wheel of differential, 8, drive bevel gear, 9, drive rod, 10, driven gear, 11, driving gear, 12, hoistway column, 13, counterweight,
14, hoistway crossbeam, 15, carriage, 16, hoist ropes, 17, internal cavity, 18, link block, 19, positioning region, 20, rescue motor, 21 ropes
Head assembly, 22, counterweight main body, 23, counterweight oriented module, 24, counterweight lateral mass, 25, touch bar, 26, slot.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, the utility model will be further described.
Embodiment 1:A kind of concealed two-shipper drag device of Elevator weight sensor(Referring to Fig. 1), including traction machine 1, traction sheave 3,
Worm gear mechanism 5 and synchronization mechanism.
Traction machine is arranged on the mounting platform at the top of elevator shaft, and the traction machine in the present embodiment uses servo motor,
The power resources that servo motor can be gone up and down with precision control revolving speed, traction machine as carriage.Traction machine uses transmitted in both directions knot
Structure, one end output is coaxially connected by shaft coupling 2 and traction sheave, and the other end connects synchronization mechanism.The other side of traction sheave passes through
Shaft coupling is connect with worm gear mechanism.Be arranged with hoist ropes 16 on traction sheave, one end of hoist ropes around after angle pulley with
Carriage 15 is connected, and the other end of hoist ropes is connected after bypassing angle pulley with counterweight 13, traction sheave and the common structure of hoist ropes
At the action actuating mechanism of traction carriage lifting.When traction machine output torque is to drive traction sheave to rotate, it is wound around traction sheave
On hoist ropes one end decline, the other end rise, to draw the lifting of carriage.When the carriage connecting with hoist ropes one end rises
When, connect with the hoist ropes other end to re-synchronize decline;Conversely, when the cage descending being connect with hoist ropes one end, and drag
The messenger other end connection to re-synchronize rise.
Worm gear mechanism includes intermeshing worm gear and worm screw, and worm gear is coaxially connected with traction sheave and in company with traction sheave
It rotates synchronously, worm and wheel engagement constitutes the lockable mechanism of traction sheave.When elevator works normally, worm tooth and worm-gear toothing phase point
From there are symmetrical gap between worm tooth and worm-gear toothing, the gap is designed as 2mm in the present embodiment, and the gap of 2mm makes snail
Bar can have a discontiguous rotational angle with respect to worm gear, so that there is enough fault-tolerant surpluses between worm and wheel, in order to
Guarantee that worm screw will not form locking to worm gear, just need to drive worm screw at this time, so that turn of the revolving speed of worm screw and worm gear
Speed matches, and worm gear is rotated synchronously in company with traction sheave at this time, and worm screw rotates synchronously, and worm tooth remains and worm-gear toothing phase point
From.Worm gear mechanism is connected with encoder 6, and encoder is mainly the rotation for monitoring worm gear, also carries out to the rotation of worm gear anti-
Feedback, that is, the working order of traction sheave can be monitored by encoder.
To realize that worm screw is synchronous, the utility model is used as synchronization mechanism using servo motor 4, and servo motor is kept and traction
The corresponding revolving speed of motor avoids worm and wheel from mutually touching appearance self-locking so that the revolving speed of worm screw and the revolving speed of worm gear match.
Counterweight is two groups, and two groups of counterweights are arranged symmetrically with respect to drag device, and hoist ropes is divided into two groups, and two groups of hoist ropes are split
Form in traction sheave two sides and with traction sheave 180 ° of cornerite.Two groups of hoist ropes are respectively left hoist ropes and right hoist ropes,
Left hoist ropes one end connects car counterweight, the other end successively bypass after upper left deflecting roller, traction sheave and lower-left deflecting roller with carriage
Top connection, right hoist ropes one end connect car counterweight, and the other end successively bypasses upper right deflecting roller, traction sheave and bottom right deflecting roller
It is connect afterwards with carriage(Referring to Fig. 3).Left hoist ropes is two, and right hoist ropes is two, therefore is provided with two on deflecting roller and drags
Messenger slot is provided with four traction rope grooves on traction sheave.Ward off rope device is provided on each deflecting roller and traction sheave.Counterweight 13 is length
Strip(Referring to Fig. 5), the counterweight of strip is exactly in the internal cavity of hoistway column.Counterweight includes counterweight main body 22, fixed
Counterweight lateral mass 24 in counterweight main body two sides, the back fixation of counterweight main body have a block after counterweight, the cross sectional shape of car counterweight with
The cross sectional shape of the cavity of hoistway column matches.The position that counterweight main body corresponds to the upper and lower end parts of counterweight lateral mass is fixed with counterweight
Oriented module 23, counterweight oriented module include oriented module matrix, and oriented module matrix has a mounting plane, mounting plane
It fits with counterweight main body, rotation slot is additionally provided on oriented module, rotation slot is hinged with guide wheel bracket, guide wheel bracket
End is provided with directive wheel, and guide wheel bracket can rotate in rotation slot around hinge point, and the hinge point of guide wheel bracket is set
Reset spring, rotation slot and mounting plane are equipped in 45 ° of inclinations.After oriented module and counterweight main body are fixed, directive wheel is in same
One plane, the plane are exactly in the position of car counterweight section maximum width, and the two sides of directive wheel wheel face are orthogonal
Inclined-plane, the position of the directive wheel just corner with hoistway stand column cavity.Grooved hole, rope head component is arranged in the upper end of counterweight main body
21 rope end screw rod penetrates into slot from the upper end edge counterweight main body length direction of counterweight main body.The lower end of counterweight main body connects
Touch bar 25.
Counterweight is hidden in the hoistway with interior liftway, and hoistway is by four hoistway columns 12(Referring to fig. 4)With more
Hoistway crossbeam builds and is in four sides permeable structures, and hoistway column and hoistway crossbeam are perpendicular, and hoistway is in tetragonal body shape, hoistway
Column is in the position of four ribs of hoistway tetragonal body, and hoistway crossbeam is in the position of interlayer.Have in one inside hoistway column
Cavity 17, hoistway column are subsection connecting structure, and each section is to be stamped to form polygonal cross-section structure, and polygon is respectively by the
On one side, second in, third, the 4th while, the 5th while, the 6th while and the 7th while successively surround, first while with the 7th vertical phase
Even, second is vertically connected while with first, and first is in the same side on the first side while with the 7th, and the 6th mutually hangs down while with the 7th
Directly, the 6th the same side for being in the 7th side while with first, for third at parallel first, the 5th at the parallel 7th, the 4th side
Opposite first while and the 7th while be in 45 ° and tilt, the first side corresponds to the side of hoistway, and the 7th side corresponds to the other side of hoistway.Carriage
In hoistway, the stud of carriage corresponds to hoistway column, and the side wall of carriage and the side wall of hoistway are corresponding.
When the segmentation connection of hoistway column, it is connected by link block 18, link block is divided into side link block and connects with angle
Block, side link block have two pieces, and angle link block only has one piece, angle link block in it is angular be fixed on hoistway column first while and when the 7th
The position of intersection, when link block is individually fixed in hoistway column the second and on the 6th side, the upper surface of side link block is provided with
The positioning region 19 of protrusion.
Embodiment 2:A kind of concealed two-shipper drag device of Elevator weight sensor(Referring to fig. 2), difference from Example 1 exists
In:Synchronization mechanism uses the purely mechanic kind of drive, and the power resources of synchronization mechanism are in traction machine.Synchronization mechanism includes a drive rod
9, drive rod is parallel with the pivot center of traction sheave, between drive rod and worm screw by can 90 ° change transmission direction driver
Structure connection.In the present embodiment can the transmission mechanisms of 90 ° of change transmission directions use bevel gear pair, including intermeshing initiative taper
Gear 8 and driven wheel of differential 7, drive bevel gear is connected with drive rod, and driven wheel of differential is connected with worm screw.Traction sheave it is another
One end exports and is connected between end corresponding with drive rod by gear pair, and gear pair includes driving gear 11 and driven gear
10, the output axis connection of driving gear and traction sheave, driven gear is connect with transmission boom end, driving gear and driven gear shaft
Line engages in parallel.The transmission arm of gear pair and bevel gear pair will be designed according to the rotating ratio between traction sheave and worm screw, traction
Machine drives traction sheave rotation, the rotation of traction sheave synchronous drive worm gear, and worm gear and worm screw have fixed rotating ratio, this is, passes through
Synchronization mechanism carries out transmission and needs identical rotating ratio.When elevator breaks down, elevator stops power supply at this time, and synchronization mechanism stops
Transmission, worm screw are self-locking to worm gear progress, and traction sheave is locked up simultaneously, to guarantee that carriage stops.
In order to which when elevator breaks down, the timely of passenger is saved oneself, the utility model devises rescue motor 20, rescue electricity
Machine is connect with worm screw, and rescue motor is connected with backup power source.It rescues motor and only drives worm screw rotation when need to rescue, in turn
Driving worm gear rotates and traction sheave rotation is driven to carry out car deliverance movement.Rescue motor is coaxially connected with worm screw, and elevator is normal
When work, rescue motor is not powered, and rescuing motor at this time will not drive worm screw to rotate, and worm screw turns under the driving of synchronization mechanism
Dynamic, rescue motor follows worm screw to be freely rotated.Carriage stops in the case where worm and gear is self-locking after elevator faults, when needs are rescued
When helping, backup power source gives rescue motor power supply, rescue motor driven worm screw rotation, and worm screw drives worm gear rotation, and worm gear drive is draged
Running wheel rotation, traction sheave go up and down nearest leveling by traction wire saws carriage, achieve the purpose that rescue at the first time.This is spare
Power supply can charge in elevator normal course of operation.
Description of the other structures of the present embodiment referring to embodiment 1.
Embodiment 3:A kind of concealed two-shipper drag device difference from Example 2 of Elevator weight sensor is on drive rod 9
It is provided with clutch, the clutch in the present embodiment uses electromagnetic clutch, and when being powered, clutch keeps transmission, together
It walks mechanism driving worm screw to rotate synchronously, locking will not be caused to worm gear;When no electricity, clutch disconnects transmission.It is same at this time
Step mechanism there is no power input, worm screw will not be driven to rotate, worm screw will locking worm gear, finally to traction sheave carry out locking.
Remaining structure is referring to embodiment 2.
The above is only the preferred embodiment of the utility model, not imposes any restrictions to the utility model, all
According to the utility model technical spirit any simple modification, change and equivalent transformation to the above embodiments, still fall within
The protection scope of technical solutions of the utility model.
Claims (9)
1. a kind of concealed two-shipper drag device of counterweight, it is characterised in that including:
Traction machine, the power source as carriage lifting;
Traction sheave connect with traction machine and is driven by traction machine, and hoist ropes is arranged on traction sheave, and hoist ropes connection carriage is simultaneously led
Draw carriage lifting;
Counterweight is arranged symmetrically and is hidden in the hoistway with interior liftway, and one end of counterweight and hoist ropes is connected for putting down
Weigh carriage;
Worm gear mechanism, worm gear is coaxially connected with traction sheave and rotates synchronously in company with traction sheave, and worm and wheel engagement is constituted
The lockable mechanism of traction sheave;
Synchronization mechanism connect with worm screw and worm screw is driven to keep rotating synchronously with worm gear, when elevator runs well, worm screw and snail
Wheel mutually separates always.
2. the concealed two-shipper drag device of a kind of counterweight according to claim 1, it is characterised in that synchronization mechanism is used and watched
Motor is taken, either worm screw is connected with traction machine or traction sheave using the purely mechanic kind of drive.
3. the concealed two-shipper drag device of a kind of counterweight according to claim 2, it is characterised in that synchronization mechanism is using pure
When mechanical drive mode, synchronization mechanism connects traction machine and worm screw, input source of the traction machine as synchronization mechanism, and worm screw is to synchronize
The output tail of mechanism;Or synchronization mechanism connects traction sheave and worm screw, input source of the traction sheave as synchronization mechanism, worm screw is same
Walk the output tail of mechanism.
4. the concealed two-shipper drag device of a kind of counterweight according to claim 3, it is characterised in that synchronization mechanism includes one
Drive rod, drive rod is parallel with the pivot center of traction sheave, between drive rod and worm screw by can 90 ° change transmission direction biography
The connection of motivation structure.
5. the concealed two-shipper drag device of a kind of counterweight according to claim 1 or 2 or 3 or 4, it is characterised in that counterweight is
Two groups, two groups of counterweights are placed in the two sides of traction sheave, and hoist ropes is divided into two groups, two groups of hoist ropes be placed in traction sheave two sides and with
Traction sheave forms over 180 ° of cornerite.
6. the concealed two-shipper drag device of a kind of counterweight according to claim 1 or 2 or 3 or 4, it is characterised in that traction electricity
Machine, traction sheave axis correspond to carriage diagonal line arrangement, counterweight correspond to carriage another diagonal line arrange.
7. the concealed two-shipper drag device of a kind of counterweight according to claim 1 or 2 or 3 or 4, it is characterised in that hoistway is
Free-standing hoistway, hoistway include the fixed hoistway column and hoistway crossbeam of mutual splicing, are connected to up and down inside hoistway column
Internal cavity, internal cavity form interior liftway, and counterweight is in internal cavity.
8. the concealed two-shipper drag device of a kind of counterweight according to claim 1 or 2 or 3 or 4, it is characterised in that counterweight is
The strip of liftway, including counterweight main body 301 are adapted to, the counterweight lateral mass 303 of counterweight main body two sides, counterweight main body are fixed on
Back fixation have block 306 after counterweight, the position that counterweight main body corresponds to the upper and lower end parts of counterweight lateral mass is fixed with counterweight guiding module
Block 302.
9. the concealed two-shipper drag device of a kind of counterweight according to claim 1 or 2 or 3 or 4, it is characterised in that on worm screw
It is connected with rescue motor.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201710965137 | 2017-10-17 | ||
CN2017109651374 | 2017-10-17 |
Publications (1)
Publication Number | Publication Date |
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CN208103630U true CN208103630U (en) | 2018-11-16 |
Family
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 |
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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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Application Number | Title | Priority Date | Filing Date |
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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 |
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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 |
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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 |
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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CN109665403A (en) * | 2017-10-17 | 2019-04-23 | 陕西小溪机电科技有限公司 | A kind of concealed two-shipper drag device of counterweight |
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