CN207792385U - A kind of elevator device facilitating passenger self-rescue - Google Patents

Abstract

The utility model discloses a kind of elevator devices facilitating passenger self-rescue, including mounting platform, the hoist ropes of the traction sheave and winding that are arranged on mounting platform on the traction sheave in well headroom is arranged, the traction sheave with can the traction machine of power-off brake it is associated, it is equipped with car fixed pulley in car top, rescue reel is equipped on mounting platform, the rescue reel with one can the backup power source of self-locking it is associated, one end of the hoist ropes is associated with a pair of of heavy phase, and the other end of hoist ropes is around connection after car fixed pulley and on rescue reel.Passenger in the utility model car can easily and timely be rescued, and to significantly decrease the cost of rescue, and can realize the voluntarily rescue of passenger, be conducive to the user experience for improving elevator.

Description

A kind of elevator device facilitating passenger self-rescue

Technical field

The utility model is related to technical field of elevator manufacturing, more particularly, to a kind of elevator device facilitating passenger self-rescue.

Background technology

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 begins to prevalence.Elevator includes mainly hoistway, a sedan-chair being liftably arranged in hoistway Compartment, the driving mechanism to drive car to lift, 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 lifted in hoistway, to balance the weight of car, 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 moves back and forth, to realize car Lifting, and counterweight is then reversely lifted with car.

When elevator power failure or when abnormal conditions occur and shutting down, the layer door lock locking mechanism being arranged on the doorframe in entrance hall makes layer Door is in lockup state, and the gate lockable mechanism being arranged on car makes gate be in lockup state, and is arranged on the outside of doorframe Layer door lock locking mechanism can be made to release the solution lock pin of locking, setting can make gate lockable mechanism release locking in the outside of car Unlock actuator.The brake apparatus of traction machine carries out forced brake to traction machine automatically at this time, the passenger in car by phone, The alarm of the tools such as intercom is sought help, and then carries out external rescue by special maintenance personnel.Specifically, maintenance personnel needs to be introduced into The top of hoistway artificially releases braking of the brake apparatus to traction machine, then with corresponding barring gear make car rise or under Drop, to realize flat bed nearby.Then, a solution lock key is connected by external maintenance personnel with the solution lock pin on doorframe again It connects, to which relieving layer door lock locking mechanism is to the locking of layer door, and pushs layer door aside manually；Then sedan-chair can be released by unlocking actuator Then door lock locking mechanism pushs gate aside manually to the locking of gate, the passenger in car can safely leave car.

However there are following defects for the existing rescue mode of elevator：Firstly, since passenger needs the maintenance people outside Member is rescued, and therefore, the time of rescue is long, can be caused to the passenger in enclosed environment greatly panic at heart.At this point, Passenger easily occurs to push aside gate escape by force or from hazardous acts such as car top escapes.Secondly as being braked releasing When device is to the braking of traction machine, car can voluntarily be lifted because of that can not keep balance with counterweight.Therefore, maintenance personnel is necessary A barring gear with reverse self-locking function is connected with traction sheave first, then releases the braking to traction machine, then Again with barring gear driving traction sheave rotation to drive car to lift.That is, rescue must be by 24 hours professions on duty Personnel by profession equipment carry out, to cause routine use, maintenance cost it is surging.Once the operation of maintenance personnel Program is made a fault, and extremely serious safety accident will be caused.

Utility model content

Purpose of the utility model is to solve be difficult to pair when the elevator present in existing elevator structure breaks down Passenger in car, which gives, timely and effectively to be rescued, and the mode rescued is complicated, the problem of high cost of rescue, provides one kind Facilitate the elevator device of passenger self-rescue, the passenger in car can easily and timely be rescued, to significantly decrease rescue Cost, and can realize the voluntarily rescue of passenger, be conducive to the user experience for improving elevator.

To achieve the goals above, the utility model uses following technical scheme：

It is a kind of to facilitate the elevator device of passenger self-rescue, including be arranged flat in installation in the mounting platform of well headroom, setting The hoist ropes of traction sheave and winding on the traction sheave on platform, the traction sheave with can the traction machine of power-off brake it is associated, Be equipped with car fixed pulley in car top, be equipped with rescue reel on mounting platform, the rescue reel with one can self-locking rescue Helping power source is associated, and one end of the hoist ropes is associated with a pair of of heavy phase, and the other end of hoist ropes is around after car fixed pulley It connects and on rescue reel.

A car fixed pulley, and the setting rescue volume on mounting platform is arranged in car top first in the utility model Cylinder, hoist ropes connect after bypassing car fixed pulley and on rescue reels.Due to rescue reel and one can self-locking rescue Power source is associated, and therefore, rescue reel can not reversely drag backup power source so that rescue reel is in elevator normal operation It can keep lockup state.When elevator power failure or when abnormal conditions occur and shutting down, the brake apparatus of traction machine is automatic because of dead electricity Forced brake is carried out to traction machine, correspondingly, traction sheave is in the state that is locked up, and hoist ropes is around being located at the one of traction sheave at this time End is fixed.That is, counterweight at this time does not work.In this way, we drive rescue reel to turn using backup power source It is dynamic, to discharge the hoist ropes on rescue reel, or hoist ropes is further rolled up at and is rescued on reel, keeps elevator slow It is slowly down or up and realize flat bed nearby.Then gate and layer door are pushed aside manually, passenger can safely leave car.It is special It is not that the setting of car fixed pulley can significantly decrease the tractive force of hoist ropes, to be conducive to reduce the power of traction machine, And it can avoid generating skidding between hoist ropes and traction sheave.

It is understood that since hoist ropes is fixed around the one end for being located at traction sheave, it is connected to hoist ropes at this time On counterweight lose the balanced action to car, it is preferable that we can be such that rescue reel rotates backward to discharge hoist ropes, make sedan-chair Compartment easily drops to level position, backup power source pair in own wt and car under the action of the weight of passenger Rescue reel does negative work, to greatly facilitate the flat bed of car.

Actuator is unlocked preferably, being equipped in gate in car, is equipped in layer door and unlocks on the inside of the doorframe in entrance hall Actuator, the interior unlock actuator of the gate is associated with the gate lockable mechanism being arranged on car, unlock in the layer door Actuator is associated with the layer door lock locking mechanism being arranged on doorframe.

In the prior art, setting one can make layer door lock locking mechanism release locking typically on the outside of the doorframe of layer door Lock pin is solved, and can make the unlock actuator of gate lockable mechanism releasing locking in the setting of the outside of car, to facilitate outside Rescue personnel by the solution lock key relieving layer door lock locking mechanism with solution lock pin cooperation to the locking of layer door, to push aside manually Layer door；Then gate lockable mechanism is released to the locking of gate by unlocking actuator, can push gate aside manually at this time, make passenger Safety leaves car.The utility model, which is arranged in car in gate associated with gate lockable mechanism, unlocks actuator, It is arranged in layer door associated with layer door lock locking mechanism on the inside of the doorframe in entrance hall and unlocks actuator, thus when needing rescue, sedan-chair Passenger in compartment can be started by controlling backup power source, then can be by being unlocked in gate to make movement and nearby flat bed Actuator releases locking of the gate lockable mechanism to gate, and passenger can push gate aside manually；It is driven by being unlocked in layer door Part relieving layer door lock locking mechanism is to the locking of layer door, and passenger can push layer door aside manually and safely leave car, to realize Passenger's saves oneself, and is conducive to occur having a power failure in elevator or when abnormal conditions easily and timely to the rescue of passenger.

Preferably, be equipped with counterweight fixed pulley in the upper end of counterweight, one end far from rescue reel on hoist ropes around pair It is connected on mounting platform after resetting pulley.

Since the hoist ropes of the utility model is to bypass the car fixed pulley being arranged in car top, in elevator When normal operation, car displacement distance is the half of hoist ropes displacement distance on the traction sheave.The utility model passes through in counterweight Upper end be arranged a counterweight fixed pulley, to can ensure that the displacement distance of counterweight and the displacement distance of car are consistent.

Preferably, the backup power source includes rescue motor and worm type of reduction gearing, the motor with rescue motor Axis is connected with one end of the worm shaft in worm type of reduction gearing, and the worm gear shaft in the worm type of reduction gearing is rolled up with rescue Cylinder is connected, and the rescue motor is electrically connected with an accumulator.

Negative work is done in backup power source to rescue reel when due to rescue, we can be driven by low power accumulator Dynamic rescue motor work, to drive rescue spool turns by worm type of reduction gearing, and have can for worm type of reduction gearing The reverse self-locking effect leaned on can be effectively prevented from car and reversely drag rescue spool turns by hoist ropes.It is understood that Control switch can be arranged in we on mounting platform, to facilitate external rescue personnel to start rescue motor, realize car just Nearly flat bed.Alternatively, corresponding control switch can be also arranged in we in car, to make the passenger in car that can also be opened with control The dynamic rescue motor of start or stop, realizes the flat bed nearby of car, passenger is facilitated voluntarily to rescue in the shortest time.

Preferably, the other end of the worm shaft in the worm type of reduction gearing is equipped with dismountable crank handle.

When needing rescue, the rotatable crank handle of rescue personnel, to by driving worm type of reduction gearing to drive rescue volume Cylinder rotation, to realize the manual rescue of elevator, the failure caused by self-discharge that avoids accumulator from being likely to occur, it is ensured that rescue The reliability helped.And elevator can remove crank handle in normal operation from worm shaft.

Preferably, the periphery of the rescue reel is equipped with helicla flute, the helicla flute includes the identical volume of screw pitch Around slot and spacing slot, the hoist ropes connect one end connection with rescue reel and in winding slot, is set on mounting platform There is the spacing pin positioned at rescue reel side, the end adapter of the spacing pin is in the spacing slot of rescue reel, the rescue It is equipped with rotation axis in reel, rescues spline between reel and rotation axis and connects.

Due to being connected for spline between rescue reel and rotation axis, worm type of reduction gearing powered rotatable shaft rotation It is dynamic, and then drive rescue spool turns.When rescuing spool turns and car is made to be moved to level position, setting is on the top of the car Spacing pin can be moved in spacing slot, rescuing reel at this time can axially move while rotation along rotation axis. It is understood that the winding slot of the utility model is identical with spacing slot screw pitch, therefore, when rescuing spool turns, it can be ensured that Point of penetration of the hoist ropes on rescue reel is always positioned at same position in the horizontal plane, and then can make hoist ropes uniformly accurately In the winding slot on rescue reel.That is, the complete phase of length for often enclosing hoist ropes on rescue reel Together, it can thus be ensured that steady lifting of the car in rescue.

Preferably, telescopic spacer pin is arranged on car, the spacer pin and one can Self-resetting electromagnet Be connected, when electromagnet obtains it is electric when, spacer pin is in retracted state；When electromagnet dead electricity, spacer pin is in stretching state, In the hoistway of elevator the limited block that can stop that spacer pin moves down is respectively equipped with the layer door corresponding position of elevator.

When elevator power failure or when there are abnormal conditions and shutting down, can Self-resetting electromagnet dead electricity, at this time on electromagnet Resetting spring works, and stretching state is in drive spacer pin protruding.In this way, when passenger passes through manual-driven machine When structure driving car is slowly displaced downwardly to level position, spacer pin is stopped by corresponding limited block in hoistway, to make car It is accurately located at level position.When elevator is in normal operation, electromagnet obtain it is electric work, to make spacer pin bounce back and locate In retracted state, the limited block in hoistway does not play position-limiting action to car at this time, it can be ensured that the normal lifting of car.

Preferably, the side of the limited block is equipped with the limit hole being adapted to spacer pin.

When elevator is in normal operation, the control system of elevator can easily control limit by controlling the action of electromagnet The action of pin, to make spacer pin be converted to stretching state, at this time by retracted state in elevator normal operation to level position The end of spacer pin can enter in the limit hole of limited block, to make car reliably position in the up-down direction, avoid sending out Raw car crouching bottom or the accident rushed to summit.

Therefore, the utility model has the advantages that：Passenger in car can easily and timely be rescued, to The cost of rescue is significantly decreased, and can realize the voluntarily rescue of passenger, is conducive to the user experience for improving elevator.

Description of the drawings

Fig. 1 is a kind of structural schematic diagram of the utility model.

Fig. 2 is a kind of structural schematic diagram for rescuing reel.

In figure：1, mounting platform 11, traction machine 12, traction sheave 13, hoist ropes 2, car 21, car fixed pulley 3, Rescue reel 35, helicla flute 351, winding slot 352, spacing slot 36, spacing pin 4, counterweight 41, counterweight fixed pulley worm gear 5, motor 6, worm reducer 7, crank handle are rescued.

Specific implementation mode

The utility model is further described with specific implementation mode below in conjunction with the accompanying drawings.

Facilitating the elevator device of passenger self-rescue as shown in Figure 1, a kind of, including be arranged well headroom mounting platform 1, set Set the traction machine 11 on mounting platform, the traction sheave 12 being connect with traction machine, traction machine use have brake apparatus so as to The braking motor of power-off brake.In addition, it would be desirable in 2 top setting car fixed pulley 21 of car, be arranged on mounting platform Rescue reel 3, rescue reel with one can the backup power source of self-locking it is associated.It is arranged with hoist ropes 13, traction on the traction sheave One end of rope is associated with counterweight 4, to drive counterweight to lift；The other end of hoist ropes is connected and is wound after bypassing car fixed pulley On rescue reel.

In elevator normal operation, backup power source is in self-locking state, to make rescue reel be locked up, traction at this time Machine can drive traction sheave to rotate, and to be risen or fallen by the hoist ropes drive car around car fixed pulley, and drive Counterweight is correspondingly down or up.When elevator powers off or abnormal conditions occurs, the brake apparatus of traction machine power-off, traction machine is dynamic Make, to brake traction machine, correspondingly, traction sheave is in the state being locked up, and hoist ropes is around the one end for being located at traction sheave at this time It is fixed.External rescue personnel can utilize backup power source driving rescue spool turns, with release on rescue reel Hoist ropes, or hoist ropes is further rolled up on rescue reel, keep elevator slowly down or up and realizes and put down nearby Layer.Then gate and layer door are pushed aside from external hand, passenger can safely leave car.

It should be noted that when rescue reel is rotated backward to discharge hoist ropes, car is in own wt and car Level position can be easily dropped under the action of the weight of interior passenger, backup power source makees rescue reel negative at this time Work(.Therefore, in rescue, we preferentially can drive rescue reel to rotate backward by backup power source.

It is known that the standard configuration as elevator, it would be desirable on the doorframe in entrance hall setting can locking layer door layer Door lock locking mechanism, on car setting can locking gate gate lockable mechanism, and on the outside of doorframe setting a layer door lock can be made to stop The solution lock pin of mechanism releases locking, in the outside of car, setting can make the unlock actuator of gate lockable mechanism releasing locking, To facilitate external rescue personnel to push layer door and gate aside manually in rescue.Due to gate lockable mechanism, layer door lock locking mechanism, with And solve the structures such as lock pin, unlock actuator accordingly and belong to the prior art, therefore, it is not described in detail in the present embodiment.

It saves oneself in order to facilitate passenger in car, we, which can be arranged in car in gate, unlocks actuator, in entrance hall Actuator is unlocked on the inside of doorframe in setting layer door, unlock actuator is related to the gate lockable mechanism being arranged on car in gate Connection, and unlock actuator should be in parallel with unlock actuator in gate, so as to be driven by unlocking to unlock in actuator or gate Moving part releases locking of the gate lockable mechanism to gate from the outside of car or inside；Unlock actuator and setting are in door in layer door Layer door lock locking mechanism on frame is associated, and unlock actuator should be in parallel with solution lock pin in layer door, so as to pass through unlock In lock core or layer door unlock actuator from the outside of sedan-chair layer door or inside relieving layer door lock locking mechanism to the locking of layer door.

A turning knob or draw ring can be used in unlock actuator in gate, and the turning knob or draw ring pass through with sheath Steel wire rope be connected with gate lockable mechanism；A turning knob or draw ring, this turn can also be used in unlock actuator in layer door Dynamic knob or draw ring are connected by the steel wire rope with sheath with layer door lock locking mechanism.In this way, the rotatable turning knob of passenger Or draw ring is pulled, to drive sedan-chair, layer door lock locking mechanism to act by steel wire rope, to release sedan-chair, layer door lock locking mechanism to sedan-chair, layer The locking of door.

In this way, the start end that can start backup power source can be arranged in we in car, to which make to be trapped in the lift car multiplies Visitor can start backup power source by the start end in backup power source, and then drive rescue spool turns, to realize car just Nearly flat bed.Then the locking that passenger can release gate lockable mechanism to gate by unlocking actuator in gate, and push aside manually Gate.Again by unlocking actuator relieving layer door lock locking mechanism in layer door to the locking of layer door, and push layer door aside manually and safety Leave car in ground.

In addition, we can also be on the upper end of counterweight setting counterweight fixed pulley 41, hoist ropes far from the one end for rescuing reel It is connected on mounting platform after around counterweight fixed pulley, to can ensure that the displacement distance of counterweight and the displacement distance of car are protected It holds consistent.

Electric-only mode can be used in the backup power source of the utility model, and specifically, backup power source includes rescue motor 5, worm type of reduction gearing 6, the motor shaft for rescuing motor are connected with one end of the worm shaft in worm type of reduction gearing, worm gear Worm gear shaft in worm reducer is then connected with rescue reel.Rescue motor is electrically connected with an accumulator, and in rescue motor It is located at the control on mounting platform with setting in the connection circuit of accumulator to switch, so as to make accumulator open by controlling switch Dynamic rescue motor, facilitates external rescue personnel to implement rescue.Certainly, corresponding control switch can be also arranged in we in car, To make the passenger in car also control switch can be used to start rescue motor, realizes the flat bed nearby of car, facilitate passenger most It is voluntarily rescued in short time.

Certainly, the connector of square can be also arranged in we in the other end of the worm shaft in worm type of reduction gearing, and A dismountable crank handle 7 is arranged on connector, to make crank handle that can transmit torque to worm shaft.When needing rescue, External rescue personnel can directly rotate crank handle, to drive rescue spool turns by worm type of reduction gearing, to realize Manual rescue.And elevator is in normal operation, we can remove crank handle, be driven to avoid motor is rescued when electronic rescue mode Crank handle rotates.

Further, as shown in Fig. 2, helicla flute 35 can be arranged in we on the periphery of rescue reel, helicla flute includes The identical winding slot 351 of coaxially arranged and screw pitch and spacing slot 352, hoist ropes with rescue reel connect one end connection and wound on It winds in slot, and is located at rescue reel side on mounting platform and one spacing pin 36 is set, the end adapter of spacing pin is being rescued It helps in the spacing slot of reel.It rescues reel planted agent and rotation axis is set, rescue spline between reel and rotation axis and connect.When rescue is rolled up When cylinder rotates and car is made to be moved to level position, spacing pin can move in spacing slot, and rescue reel is while rotation It axially moves along rotation axis, point of penetration of the hoist ropes on rescue reel is made to be always positioned at same position in the horizontal plane, Hoist ropes is avoided to generate displacement, and hoist ropes can accurately be wound back in the winding slot of rescue reel.

The accurate flat bed of car when in order to ensure saving oneself, telescopic spacer pin can be also arranged in we on the outside of car, should Spacer pin is connected with an electromagnet, which is a self-replaced type electromagnet with resetting spring.Work as electromagnet When obtaining electric generation suction, you can drive spacer pin to retreat retraction, to make spacer pin be in retracted state；When electromagnet dead electricity is lost When removing suction, spacer pin forward extends out under the action of reset spring of electromagnet, to make spacer pin be in stretching state.Separately Outside, need to also set one respectively with each layer door corresponding position of elevator in the hoistway of elevator and can stop that spacer pin moves down Limited block.

When elevator is in normal operation, electromagnet obtain it is electric work, to make spacer pin bounce back and be in retracted state, this Limited block in Shi Jingdao does not play position-limiting action to spacer pin and car, it can be ensured that the normal lifting of car.Work as elevator power failure Or when there are abnormal conditions and shutting down, can Self-resetting electromagnet dead electricity, at this time the resetting spring on electromagnet work, to It drives spacer pin protruding and is in stretching state.In this way, when passenger drives car slowly to move down by Manual drive mechanism When to level position, spacer pin is stopped by corresponding limited block in hoistway, to make car be accurately located at flat bed position It sets.

As a preferred embodiment, also a limit hole being adapted to spacer pin can be arranged in the side of limited block in we. In this way, when elevator is in normal operation, the control system of elevator can easily control spacer pin by controlling the action of electromagnet Action, to making spacer pin be converted to stretching state by retracted state in elevator normal operation to level position, this time limit The end of position pin can enter in the limit hole of limited block, to make car reliably position in the up-down direction, avoid occurring Car crouching bottom or the accident rushed to summit.For example, when passenger presses 2 buildings buttons on the control panel, the control system of elevator can The action that electromagnet is controlled when car reaches 2 buildings positions, makes spacer pin become stretching state from retracted state, at this time spacer pin End can enter limited block limit hole in, to make car reliably position in the up-down direction, avoid occur car Crouching bottom or the accident rushed to summit.

Claims (8)

1. Facilitating the elevator device of passenger self-rescue 1. a kind of, including be arranged well headroom mounting platform, be arranged in mounting platform On traction sheave and winding hoist ropes on the traction sheave, the traction sheave with can the traction machine of power-off brake it is associated, It is characterized in, car fixed pulley is equipped in car top, rescue reel is equipped on mounting platform, the rescue reel and one can be certainly The backup power source of lock is associated, and one end of the hoist ropes is associated with a pair of of heavy phase, and the other end of hoist ropes is fixed around car It is connected after pulley and on rescue reel.
2. 2. a kind of elevator device facilitating passenger self-rescue according to claim 1, characterized in that be equipped with gate in car Interior unlock actuator is equipped in layer door on the inside of the doorframe in entrance hall and unlocks actuator, unlock actuator and setting in the gate Gate lockable mechanism on car is associated, unlock actuator and the layer door lock locking mechanism being arranged on doorframe in the layer door It is associated.
3. 3. a kind of elevator device facilitating passenger self-rescue according to claim 1, characterized in that be equipped in the upper end of counterweight Counterweight fixed pulley, one end far from rescue reel on hoist ropes after counterweight fixed pulley around being connected on mounting platform.
4. 4. a kind of elevator device facilitating passenger self-rescue according to claim 1, characterized in that the backup power source packet Rescue motor and worm type of reduction gearing are included, one end with the worm shaft in the motor shaft and worm type of reduction gearing of rescue motor It is connected, the worm gear shaft in the worm type of reduction gearing is connected with rescue reel, the rescue motor and accumulator electricity Connection.
5. 5. a kind of elevator device facilitating passenger self-rescue according to claim 4, characterized in that subtract in the worm and gear The other end of worm shaft in fast device is equipped with dismountable crank handle.
6. 6. a kind of elevator device facilitating passenger self-rescue according to claim 1, characterized in that the circle of the rescue reel Circumferential surface is equipped with helicla flute, and the helicla flute includes the identical winding slot of screw pitch and spacing slot, the hoist ropes with rescue reel It connects one end connection and in winding slot, the spacing pin for being located at rescue reel side is equipped on mounting platform, it is described fixed End adapter away from pin is equipped with rotation axis in the spacing slot of rescue reel in the rescue reel, rescue reel and rotation axis Between spline connect.
7. 7. a kind of elevator device facilitating passenger self-rescue according to claim 1, characterized in that being arranged on car can stretch The spacer pin of contracting, the spacer pin with one can the electromagnet of Self-resetting be connected, when electromagnet obtains it is electric when, spacer pin is in back Contracting state；When electromagnet dead electricity, spacer pin is in stretching state, divides with the layer door corresponding position of elevator in the hoistway of elevator It She You not can stop the limited block that spacer pin moves down.
8. 8. a kind of elevator device facilitating passenger self-rescue according to claim 7, characterized in that the side of the limited block Equipped with the limit hole being adapted to spacer pin.