WO2019080583A1 - 电梯轿厢门机装置 - Google Patents

电梯轿厢门机装置

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Publication number
WO2019080583A1
WO2019080583A1 PCT/CN2018/098652 CN2018098652W WO2019080583A1 WO 2019080583 A1 WO2019080583 A1 WO 2019080583A1 CN 2018098652 W CN2018098652 W CN 2018098652W WO 2019080583 A1 WO2019080583 A1 WO 2019080583A1
Authority
WO
WIPO (PCT)
Prior art keywords
door
movable blade
car door
roller
landing
Prior art date
Application number
PCT/CN2018/098652
Other languages
English (en)
French (fr)
Inventor
王兴琪
江楫
Original Assignee
上海三菱电梯有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海三菱电梯有限公司 filed Critical 上海三菱电梯有限公司
Priority to KR1020207000094A priority Critical patent/KR102321041B1/ko
Priority to EP18871254.1A priority patent/EP3659957B1/en
Priority to JP2020514996A priority patent/JP7027533B2/ja
Publication of WO2019080583A1 publication Critical patent/WO2019080583A1/zh

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Classifications

    • 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
    • B66B13/18—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position without manually-operable devices for completing locking or unlocking of doors
    • B66B13/20—Lock mechanisms actuated mechanically by abutments or projections on the cages
    • 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
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/104—Application of doors, windows, wings or fittings thereof for buildings or parts thereof for elevators

Definitions

  • the invention relates to an elevator component, and in particular to an elevator car door machine device.
  • the door door of the car side door machine generally drives the landing door linkage rollers on the side of the landing door to interlock together to realize the action of opening and closing the elevator door.
  • Commonly used doorknobs include two types of synchronous doorknifes and asynchronous doorknifes. Synchronous doorknob is realized by the door cutter firstly, the action of the clamping layer door linkage roller, and then the car door and the landing door are linked together; the asynchronous door knife moves the door knife and the car door at the same time, before the car door and the landing door are linked, The car door generally has to travel a certain distance first, and the asynchronous door knife will release the driving force of the door in the closing direction in advance when the door is closed.
  • Figure 1 shows the state of the landing door lock under the control of a conventional door machine. Since the asynchronous doorknife releases the thrust of the landing door in the closing direction when the door is closed, when the door closing speed is lower than the car door, the landing door hook will lose control and lock out prematurely, and the landing door fixing hook will be hit prematurely when the door is closed. The initial kinetic energy loss when the landing door is out of control too quickly. When there is wind pressure at the landing, the bottom slider of the landing door presses the sidewall of the sill under the wind pressure, so that the bottom friction force increases, and when the forced closing force is less than the friction When the force is applied, the landing door will not close properly.
  • the technical problem to be solved by the present invention is to provide an elevator car door machine device which can prevent the landing door hook from being prematurely locked when the door closing speed is less than that of the car door.
  • an elevator car door machine device which comprises an elevator door beam, a door knife assembly and a door knife mounting seat, and the door knife mounting seat is fixedly disposed on the driving side car door.
  • the doorknob assembly includes: a first movable blade movably coupled to the doorknife mount by a connecting member; a second movable blade movably coupled to the doorknife mount by a connecting member and a movable blade cooperates with clamping or loosening the layer door unlocking roller to drive the layer door to move;
  • the first movable blade driving device is rotatably connected with the first movable blade and drives the first movable blade to be close by gravity a direction of the second movable blade swinging; a convex portion disposed on the first movable blade driving device; a blocking portion fixedly disposed on the stationary member of the elevator door beam, the blocking portion and the protrusion When the part abuts, the blocking portion limits the swing range and the swing speed
  • the first movable blade driving device includes a first swinging lever and a second swinging lever, wherein the first swinging lever includes: a rotating center rotatably connected to the doorknife mounting seat, An end attachment point rotatably coupled to the upper portion of the first movable blade, the second end, the boss portion being disposed on the second end; the second swing bar comprising: a first end connection point, Rotatablely coupled to a lower portion of the first movable blade, a second end connection point rotatably coupled to the door knife mount; a first end connection point of the first swing bar and a second swing bar second The connection of the end connection point is always vertical, and the connection between the center of rotation of the first swing lever and the connection point of the second end is always vertical.
  • the door cutter mount is provided with a first limiting device for limiting the distance that the first movable blade moves in the direction of closing the car door.
  • the first movable blade driving device drives the first movable blade to swing in a direction toward the second movable blade by its own gravity.
  • the second swinging bar is provided with an elastic component pressing device
  • the door cutter mounting seat is provided with an elastic component guiding device
  • the elastic component guiding device is sleeved with one end of an elastic component, the elastic component The other end is sleeved with the elastic component pressing device, and the elastic component applies pressure to the first movable blade by the elastic component pressing device to push the first movable blade to swing toward the second movable blade, and the elastic component is guided
  • the device cooperates with the elastic element pressing device to ensure that the first movable blade is always sleeved between the elastic member guiding device and the elastic member pressing device during the entire swinging process.
  • the raised portion is a roller.
  • the raised portion is a fixed axis.
  • the blocking portion is a cam
  • the roller is abutted against the starting end of the cam curve when the car door is fully closed; the first swing bar rotates when the car door is opened, and the cam curve of the cam is in contact with the roller
  • the roller is controlled by the cam curve to rotate the speed; when the first swing lever stops rotating, the roller is away from the cam.
  • the first limiting device is at least one limiting screw, and the contact surface of the limiting screw and the door knife wraps rubber.
  • the elastic component pressing device comprises an elastic component pressing plate mounting plate, a compression spring base, a conical shaft, the pressing plate mounting plate is fixedly connected to the second swinging bar, and the compression spring base is rotatably connected to the pressing plate mounting plate.
  • the tapered shaft is disposed on the pressure plate mounting plate;
  • the elastic component guiding device is a screw fixedly connected to the door knife mounting seat;
  • the elastic component is a compression spring, and the compression spring is inserted into the screw at one end. The other end is sleeved on the conical shaft.
  • the horizontal displacement direction of the convex portion generated during the rotation of the first movable blade driving device is the closing direction.
  • the doorknob assembly further includes a second movable blade motion control device that drives the second movable blade to swing.
  • a second movable blade motion control device that drives the second movable blade to swing.
  • S2 is the horizontal displacement of the second movable blade to the closing direction after the car door is opened
  • S1 is the first when the door is fully closed.
  • the distance from the movable blade working surface to the working surface of the second movable blade, D is the outer width of the landing door unlocking roller and the landing door linkage roller in the horizontal direction.
  • the doorknob assembly further includes a second movable blade motion control device that drives the second movable blade to swing.
  • a second movable blade motion control device that drives the second movable blade to swing.
  • the second movable blade, the second movable blade is driven by the thrust to open the car door, the first swing bar rotates counterclockwise, the first movable blade swings in the direction of opening the door, and the first movable blade swings until it contacts the landing door linkage roller.
  • the distance between the working surface of the first movable blade and the working surface of the second movable blade, D is the outer width of the horizontal direction of the landing door unlocking roller and the landing door linkage roller.
  • the elevator car door machine device further comprises: a controller, a motor, a door in position switch, a door in position switch trigger, a position switch, a position switch trigger, a door switch timing belt, a timing pulley, a timing belt tensioning Device, driving side belt boom, driving side door hanging plate, driven side belt hanging arm, driven side door hanging plate, door guide, door opening limit device, door closing limit device; door machine driving part, door guide rail, timing pulley
  • the timing belt tensioning device is disposed on the beam of the door machine, and the timing belt is wound around the motor output pulley and the wheel groove of the timing pulley at the other end, and is tensioned by the timing belt tensioning device; at the left and right ends of the center of the door
  • the driving belt belt boom and the driven side belt boom are respectively disposed at the upper and lower positions on the timing belt, and the driving side belt boom and the driven side belt boom are oppositely moved; the driving side belt boom is connected and driven.
  • the upper part of the side door hanging plate, the driven side belt boom is connected to the upper part of the driven side door hanging plate, the pulley for driving the side door hanging plate and the driven side door hanging plate is rolled on the door rail; each door in position of the door beam is in place a door-in-place switch is provided, and a door-to-position switch trigger is arranged on each door; the controller controls the motor to rotate the motor output pulley, and drives the side door hanging plate and the driven side door hanging plate to open and close the door under the transmission of the synchronous belt;
  • the in-position switch is connected to the safety circuit to determine whether the car door is in the closed position, and the position switch is connected to the door control circuit.
  • the second movable blade swings in the door opening direction under the control of the second movable blade action driving device to release the thrust of the landing door linkage roller, and the landing door is forced Closing force and initial kinetic energy to close the door.
  • the door closing speed is greater than or equal to the car door closing speed
  • the unlocking roller of the landing door will eventually contact the first movable blade and apply thrust to the first movable blade.
  • the moving blade is limited by the first limiting device, the speed of the landing door and the car door are the same. At this time, the unlocking roller is always unlocked, and the first movable blade of the car door machine is away from the unlocking roller after the landing door is closed.
  • the door unlocking roller rotates in the locking direction under the action of its own spring force and gravity and finally locks the layer door; when the car door closes the door and the first movable blade and the second movable blade clamp the layer door roller to make the layer
  • the first movable blade driving device drives the first movable blade to move in the door opening direction, and the driving force of the first movable blade driving device is greater than Floor
  • the door unlocks a horizontal force of the roller rotating in the locking direction to prevent the layer door unlocking roller from rotating in the locking direction until the blocking portion contacts the boss portion, and the first movable blade driving device acts at the blocking portion
  • the first movable blade is driven to move in the closing direction to rotate the landing door unlocking roller in the locking direction.
  • the horizontal clearance of the roller, S5 is the horizontal stroke of the unlocking roller of the landing door; when the car door is closed, when the roller of the first pendulum contacts the cam, the remaining car door distance from the fully closed position of the car door is less than or equal to The stroke S of the aforementioned car door.
  • Fig. 1 is a schematic view showing the state of the layer door lock when the layer door lock under the control of the conventional door machine device moves in the unlocking state to the door closing direction, and the door door speed is slower than the car door.
  • Figure 2 is a front elevational view of the elevator car door machine of the present invention (vehicle fully closed state).
  • Fig. 3 is a perspective view showing the elevator car door machine of the present invention (vehicle door fully closed state).
  • Figure 4 is a perspective front elevational view of the doorknob structure of the elevator car door machine of the present invention.
  • Fig. 5 is a perspective view showing the blocking portion of the first embodiment of the elevator car door machine of the present invention.
  • Figure 6 is a perspective view showing the elastic member pressing plate device of the second embodiment of the elevator car door machine of the present invention.
  • Fig. 7 is a schematic view showing the door knife of the elevator car door machine device of the present invention moving in the unlocking state to the door closing direction, the door door speed is slower than the car door, and the car door is 20 mm before the door closing.
  • Figure 8 is a schematic view of the landing door lock under the control of the elevator car door machine device of the present invention moving in the unlocking state to the closing direction, the landing door speed is slower than the car door, and the car door is 20 mm before the door closing.
  • Second movable blade motion control device 36 First pendulum rotation center
  • the elevator car door machine device of the present invention comprises a door knife mount 1, a first swing link 3, a second swing link 4, a third swing link 25, a fourth swing link 26, and a first The movable blade 2, the second movable blade 27, the first limiting device 18, the second limiting device 20, the elastic member, the elastic member guiding device, the elastic member pressing device 61, the convex portion 13, the blocking portion 9, and the Two movable blade motion control device 35.
  • the door cutter mount 1 is mounted on the drive side car door 30.
  • the first swing lever shaft 6, the second swing lever shaft 7, the third swing lever shaft 23, and the fourth swing lever shaft 24 are screwed at high speed on the door cutter mount 1.
  • the shaft center line of the first rocker shaft 6 and the second rocker shaft 7 is vertical, and the first rocker shaft 6 is directly above the second rocker shaft 7.
  • the shaft center line of the third swing lever shaft 23 and the fourth swing lever shaft 24 is vertical, and the third swing lever shaft 23 is directly above the fourth swing lever shaft 24.
  • the first rocker shaft 6 and the third rocker shaft 23 have a certain horizontal interval.
  • the first rocker 3 has a center of rotation 36 at which the bearing is riveted.
  • the end riveting bearing of one side of the rotating center 36 is hinged with the upper portion of the first movable blade 2, and the upper portion of the first movable blade 2 is opened at the mating position, and the hexagon bolt can be used as the shaft and the rotation of the first swinging rod 3.
  • the bearing is fitted at the hinge point on the side of the center 36.
  • the first swinging rod 3 is provided with a convex portion 13, preferably the convex portion is a roller.
  • the first swinging rod 3 is provided with a high-speed spinning riveting roller shaft 14, and the first swinging rod roller internally rives the bearing, and the roller is hingedly connected to the roller shaft 14.
  • the second swinging rod 4 is provided with a second end connecting point 39.
  • the connecting point 39 is riveted to the bearing as the center of rotation of the second swinging rod 4, and is hinged to the second swinging shaft 7 of the doorknob mounting seat 1
  • the other end of the second swinging rod 4 is hinged to the lower portion of the first movable blade 2, and the lower portion of the first movable blade 2 is hinged at the lower hinge, and a hexagonal bolt is used as the shaft.
  • the first movable blade 2 uses a hexagon bolt as a shaft, and the hexagon bolt passes through the back surface of the first swing rod, penetrates the bearing of the first swing rod 3 and the first swing rod 4, and the first movable blade 2, at the first movable
  • the front of the blade is fixed with a nut.
  • the blocking portion 9 on the stationary part of the elevator door beam is a steel plate that has been bent twice, and both times are 90 degree bends, which have a barrier to the installation of the stationary parts of the elevator door beam.
  • the side of the third face is the cam line 50 of the cam.
  • the door cutter mount 1 is a 90-degree bent plate having a front surface parallel to the surface of the door panel and a side surface of the vertical front surface formed by bending on the door closing side.
  • a circular hole with a diameter of 9 mm is respectively opened at the upper end and the lower end of the side surface, and the welding nut of the M8 is aligned at the center of the hole in the round hole, and the welding nut is outside the door cutter mount.
  • the bolt position is on the inside of the door cutter mount.
  • the upper and lower bolts are the first limiting device 18.
  • the first movable blade 2 has mutually perpendicular faces, and after the front face is hinged with the first swing bar 3 and the second swing bar 4, the first movable blade 2 is vertical, and the first limit device is adjusted when the door is fully closed.
  • the horizontal clearance of the outer circumference of the first movable blade 2 and the upper unlocking roller of the layer door lock is set to C1, which is generally 9 mm.
  • the first swinging lever 3, the second swinging lever 4, and the first movable blade 2 constitute a double swinging lever mechanism, and the gravity of the mechanism causes the first movable blade 2 to swing in the opening direction.
  • the pressure of the blocking portion 9 against the boss portion 13 always causes the first swing link 3 to rotate clockwise around the center of rotation 36, at which time the first movable blade 2 swings in the closing direction.
  • the boss 13 is abutted by the blocking portion 9 at the starting end of the cam curve 50 of the blocking portion 9, and the first movable blade 2 is limited by the first limiting device 18, and cannot continue. swing.
  • a threaded hole of M5 is machined in the second swinging rod 4, and an elastic member pressing plate device 61 is attached to the threaded hole.
  • the elastic member platen device 61 includes an elastic member platen mounting plate 62, a compression spring base 64, and a conical shaft 65.
  • the elastic member pressing plate mounting plate 62 is a 90-degree bent steel plate composed of a front surface and a side surface, and a circular hole is formed in the front surface, and the M5 threaded hole of the second swinging rod 4 is mounted through the circular hole in the elastic member pressing plate mounting plate 62.
  • the side surface is machined with a diameter of 5, and the compression spring base 64 is fastened to the circular hole at a high speed.
  • the compression spring base 64 is a round surface, and the circular surface is parallel to the side surface of the elastic component plate mounting plate 62, and the compression spring base 64 is There is a conical shaft 65, the axis of the conical shaft is concentric with the center of the compression spring base 64, and the length of the conical shaft is 5 mm.
  • the M5 threaded hole is machined on the side of the door cutter mount horizontally opposite to the elastic member press plate mounting plate 62, and the screw of the M5 is mounted on the threaded hole on the side of the door cutter mount, and the screw length may be within 12 to 16 mm.
  • the angle between the side surface of the elastic member pressing plate mounting plate 62 and the side surface of the doorknob mounting seat 1 can be set to 10 degrees, one end of the compression spring 63 is fitted over the screw of the aforementioned M5, and the other end is sleeved on the conical shaft.
  • the first movable blade 2 does not escape from the conical shaft 65 and the M5 screw 60 during the entire maximum swing.
  • the surface of the compression spring base 64 of the elastic member pressing plate is always in contact with the compression spring 63, so that the deformation of the compression spring 63 accumulates or releases energy, and the compression spring 63 pushes the first when the energy is released.
  • a movable blade 2 swings in the door opening direction, and the first movable blade 2 swings in the closing direction to cause the compression spring 63 to accumulate energy.
  • the car door machine has a full closing holding force, and the full closing holding force can be provided by the motor force, or can be provided by other mechanical devices.
  • the first movable blade 2 When the door is fully closed, the first movable blade 2 is pushed by the compression spring 63 or the mechanism gravity to the door opening direction, and the first swing bar protrusion 13 is abutted by the lower end of the blocking portion 9 under the action of the fully closed holding force. The first movable blade 2 cannot swing in the door opening direction.
  • the first movable blade 2 swings in the door opening direction, and the car door is opened, and the first movable blade 2 is swung by a horizontal distance K and then contacts the landing door unlocking roller 28 to continue to open.
  • the car door, the first movable blade 2 continues to swing, so that the door door layer unlocking roller 28 swings in the direction of the open door lock until the door unlocking roller cannot swing, and the landing door unlocking roller 28 and the landing door linkage roller 29 are The center is on a vertical line. At this time, the acceleration force of the landing door is much larger than the driving force of the first movable blade 2.
  • the driving force of the first movable blade 2 is the gravity of the double swing lever mechanism of the first movable blade 2, and may be the thrust of the compression spring 63.
  • the first movable blade 2 oscillates in the direction of closing the door against the driving force under the action of the acceleration reaction force of the push gate.
  • the first movable blade 2 contacts the first limiting device 18 under the action of the reverse thrust of the landing door, and cannot continue to swing.
  • the stroke of the car door opening can be defined as S, and then the pushing is performed.
  • the acceleration force of the landing door is provided by the first limiting device 18, and the car door and the landing door start to interlock.
  • the second movable blade 27 starts to swing in the closing direction by the second movable blade driving device 35 after the car door is opened, and the second movable blade action driving device 35 causes the second movable blade 27 to open in the car door.
  • S1 is the distance from the working surface of the first movable blade 2 to the working surface of the second movable blade 27 when the door is fully closed
  • D is the outer width in the horizontal direction of the landing door unlocking roller 28 and the landing door linkage roller 29, generally
  • D is the outer diameter of the landing door unlocking roller or the landing door linkage roller.
  • the horizontal swing horizontal stroke of the first movable blade 2 is 5 mm, and the working surface of the first movable blade 2 is just in contact with the outer circle of the landing door unlocking roller 28.
  • the horizontal swing horizontal stroke of the first movable blade 2 is 9 mm, and the first movable blade 2 rotates the outer circle of the landing door unlocking roller 28 to the maximum position of the unlocking stroke, at which time the landing door unlocking roller 28 and The center of the lower door lock roller 29 is on a vertical line, and the upper roller of the layer door lock cannot continue to rotate.
  • the reaction force of the landing door acceleration force is greater than the sum of the gravity of the first movable blade mechanism and the horizontal direction of the thrust of the compression spring 63.
  • the first movable blade 2 When the car door stroke is 16 mm, the first movable blade 2 is rotated in the closing direction and has contacted the first limiting device 18.
  • the horizontal displacement of the first movable blade 2 compared with the initial time is also 16 mm, and the rear car door and the layer are The door linkage opens and closes.
  • the second movable blade 27 continuously swings in the direction of closing the door under the control of the second movable blade motion control device 35, and finally the horizontal stroke is S1-D, and the upper and lower rollers of the landing door are clamped. live.
  • the door is opened by using the triangular key.
  • the lower door lock roller 29 first contacts the second movable blade 27, and the second movable blade 27 is pushed by the lift.
  • the first swinging lever 3 rotates counterclockwise, and the first movable blade 2 swings in the direction of opening the door, and the first movable blade 2 swings until it contacts the landing door linkage roller 29.
  • S1 is the distance from the working surface of the first movable blade 2 to the working surface of the second movable blade 27 when the door is fully closed, and 72 mm is taken here
  • D is the outer width of the landing door unlocking roller and the landing door linkage roller in the horizontal direction.
  • D is the outer diameter of the landing door unlocking roller or the landing door linkage roller, which is 46 mm.
  • the car door drives the landing door to interlock.
  • the second movable blade 27 swings in the door opening direction under the control of the second movable blade action driving device 35 to release the thrust of the landing door linkage roller.
  • the second movable blade 27 releases the thrust of the landing door linkage roller when the car door is closed about 90 mm, and the landing door closes under the action of the forced closing force and the initial kinetic energy.
  • the landing door closing speed is always greater than or equal to the car door closing speed, and the landing door unlocking roller 28 will eventually contact the first movable blade 2, applying a thrust to the first movable blade 2, when the first movable
  • the speed of the landing door and the car door are the same, and the unlocking roller is always unlocked until the landing door is closed, and the first movable blade 2 of the car door machine is away from the unlocking roller.
  • the layer door unlocking roller rotates in the locking direction under the action of its own spring force and gravity and finally locks the layer door.
  • the landing door closing speed is less than the car door closing speed
  • the landing door unlocking roller generates a tendency to move away from the first movable blade 2
  • the first movable blade 2 is in the gravity or compression spring of the double pendulum mechanism.
  • the horizontal movable force of the first movable blade 2 in the opening direction of the first movable blade 2 generated by the compression spring 63 should be greater than the horizontal force generated by the rotation of the landing door unlocking roller 28 in the locking direction.
  • the landing door unlocking roller 28 cannot be rotated in the locking direction by the pushing of the first movable blade 2. Until the raised portion 13 of the first swing rod 3 contacts the blocking portion 9, the first swing rod 3 rotates the first movable blade 2 in the closing direction under the reverse thrust of the blocking portion 9, at which time the landing door unlocking roller 28 Start to turn in the lock direction.
  • P is a horizontal gap of 9 mm between the first movable blade 2 and the landing door unlocking roller when the car door is fully closed.
  • S5 is the horizontal stroke of the door unlocking roller unlocking 7mm.
  • the lever ratio is the distance from the center of the boss 13 to the center of rotation and the distance from the hinge point of the first movable blade 2 to the center of rotation.
  • the unlocking state of the layer door lock is controlled.
  • the layer door locks are unlocked, and the hooks of the layer door lock are prevented from falling prematurely and the door locks are locked.
  • the fixed hook hits prematurely.
  • the elevator car door machine apparatus of the present invention further includes a controller 133, a door motor 132, a door in position switch 134, a door in position switch trigger 135, a position switch 136, a position switch trigger 144, and a door.
  • Timing belt 12 timing pulley 137, timing belt tensioning device 143, driving side belt boom, driving side door hanging plate 32, driven side belt hanging arm 34, driven side door hanging plate 33, door guide 125, opening threshold
  • the position device 138, the door closing device 139; the door machine driving member, the door guide 125, the timing pulley 137, and the timing belt tensioning device 143 are disposed on the door beam 131, and the timing belt 12 is wound around the motor output pulley and located at another
  • the timing belt pulley 137 of one end is inside the wheel groove and is tensioned by the timing belt tensioning device 143; at the left and right ends of the center of the door, the timing belt 12 is respectively provided with a driving side belt boom and a driven side belt at upper and lower positions.
  • the boom 34 is opposite to the moving direction of the driving side belt boom and the driven side belt boom 34; the driving side belt boom is connected to the upper portion of the driving side door hanger 32, and the driven side belt boom 34 is connected to the driven side door hanging.
  • Upper part of the plate 33, driving the side door hanging plate 32 and the slave The pulleys of the side door hangers 33 roll on the door rails 125; the door in position switches 134 are provided at each door in position of the door beam 131, and the door in position switch triggers 144 are provided on each of the doors; the controller 133 controls the motor 132, The output shaft of the motor 132 is rotated, and the driving side door hanging plate 32 and the driven side door hanging plate 33 are opened and closed under the transmission of the timing belt 12; the door in position switch 134 is connected to the safety circuit to determine whether the car door is in the closed position, and the position switch 136 Access door control loop.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

一种电梯轿厢门机装置，包括电梯门机横梁（131）、门刀组件和门刀安装座（1），门刀组件包括第一可动刀片（2）、第二可动刀片（27）、第一可动刀片驱动装置、凸起部（13）、阻挡部（9），所述阻挡部（9）可与所述凸起部（13）相抵接，所述阻挡部（9）在轿门开门时限制第一可动刀片（2）的摆动范围和摆动速度，并在轿门关门时使第一可动刀片（2）往远离第二可动刀片（27）的方向摆动。该电梯轿厢门机装置可以防止层门锁转动钩过早地接触层门锁的固定钩，有效保留层门的动能。

Description

电梯轿厢门机装置 技术领域
本发明涉及一种电梯部件，具体涉及一种电梯轿厢门机装置。
背景技术
在电梯上下运行的过程中，当轿厢与层站平层时，一般由轿厢侧门机的门刀带动层门侧的层门联动滚轮一起联动，实现开关电梯门的动作。
常用的门刀包括同步门刀和异步门刀两种类型。同步门刀是由门刀先实现夹紧层门联动滚轮的动作，然后轿门和层门再一起联动；异步门刀则是门刀与轿门同时移动，在轿门与层门联动前，轿门一般要先走一定的行程，异步门刀在关门时会提前释放对层门在关门方向的推动力。
图1示出了在传统门机装置控制下的层门锁的状态。由于异步门刀在关门时会提前释放对层门在关门方向的推力，层门关门速度小于轿门时，层门挂钩会失控过早落锁，在关门时会过早撞击层门固定钩，过快地将层门失控时的初动能损耗，当层站有风压时，层门底部滑块在风压下挤压地坎侧壁，使底部摩擦力增大，当强迫关门力小于摩擦力时，将导致层门不能正常关门。
发明内容
本发明所要解决的技术问题是提供一种电梯轿厢门机装置，它可以防止层门关门速度小于轿门时层门挂钩过早地落锁。
为解决上述技术问题，本发明公开了一种电梯轿厢门机装置，包括电梯门机横梁、门刀组件和门刀安装座，所述门刀安装座固定设置在驱动侧轿门上，所述门刀组件包括：第一可动刀片，其通过连接件活动连接在所述门刀安装座上；第二可动刀片，其通过连接件活动连接在所述门刀安装座上并与第一可动刀片配合夹紧或松开层门解锁滚轮以带动层门移动；第一可动刀片驱动装置，其与第一可动刀片可转动地连接并以重力驱动第一可动刀片向靠近第二可动刀片的方向摆动；凸起部，其设置在第一可动刀片驱动装置上；阻挡部，其固定设置在电梯门机横梁的静止部件上，该阻挡部可与所述凸起部相抵接，所述阻挡部在轿门开门时限制第一可动刀片的摆动范围和摆动速度，并在轿门关门时使第一可动刀片往远离第二可动刀片的方向摆动。
优选地，所述第一可动刀片驱动装置包括第一摆杆和第二摆杆，其中，所述第一摆杆包括：转动中心，其与所述门刀安装座可转动地连接，第一末端连接点，其与第一可动刀片上部可转动地连接，第二末端，所述凸起部设置在该第二末端上；所述第二摆杆包括：第一末端连接点，其与第一可动刀片下部可转动地连接,第二末端连接点，其与所述门刀安装座可转动地连接；所述第一摆杆的第一末端连接点与第二摆杆第二末端连接点的连线始终保持竖直，所述第一摆杆的转动中心与第二末端连接点的连线始终保持竖直。
优选地，所述门刀安装座上设有第一限位装置，所述第一限位装置用以限制第一可动刀片向关轿门方向移动的距离。
优选地，所述第一可动刀片驱动装置以自身重力驱动第一可动刀片向靠近第二可动刀片的方向摆动。
优选地，所述第二摆杆上设置有弹性元件压板装置，所述门刀安装座上设置弹性元件导向装置，所述弹性元件导向装置与一弹性元件的一端相套接，所述弹性元件的另一端与弹性元件压板装置相套接，所述弹性元件通过弹性元件压板装置向第一可动刀片施加压力推动第一可动刀片往靠近第二可动刀片方向摆动，所述弹性元件导向装置与弹性元件压板装置相配合保证第一可动刀片在整个摆动过程中始终套接在所述弹性元件导向装置以及弹性元件压板装置之间。
优选地，所述凸起部为一滚轮。
优选地，所述凸起部为一固定轴。
优选地，所述阻挡部为一凸轮，在轿门全闭时滚轮被凸轮抵靠在凸轮曲线的起始端；在轿门打开时第一摆杆转动，该凸轮的凸轮曲线与所述滚轮接触，所述滚轮受凸轮曲线控制转动速度；在第一摆杆停止转动时，所述滚轮远离凸轮。
优选地，所述第一限位装置为至少一个限位螺杆，该限位螺杆与门刀的接触面包裹橡胶。
优选地，所述弹性元件压板装置包括弹性元件压板安装板、压簧底座、圆锥轴，所述压板安装板固定连接在第二摆杆上，所述压簧底座可转动地连接在压板安装板上，所述圆锥轴设置在压板安装板上；所述弹性元件导向装置为一螺钉，其固定连接在门刀安装座上；所述弹性元件为压簧，压簧一端套入所述螺钉，另一端套在圆锥轴上。
优选地，轿门在打开时，所述凸起部在第一可动刀片驱动装置的转动过程中产生的水平位移方向是关门方向。
优选地，所述门刀组件还包括第二可动刀片动作控制装置，其驱动第二可动刀片摆动，当轿厢在开锁区域正常开门时，所述第二可动刀片在轿门开门后往关门方向的摆动水平位移由以下公式得出：S2＝S1-D；式中，S2是第二可动刀片在轿门开门后往关门方向的摆动水平位移，S1是门全闭时第一可动刀片工作面到第二可动刀片工作面距离，D是层门解锁滚轮及层门联动滚轮水平方向的外宽。
优选地，所述门刀组件还包括第二可动刀片动作控制装置，其驱动第二可动刀片摆动，当轿厢在开锁区域紧急救援后层门打开时层门锁下部滚轮先接触到第二可动刀片，第二可动刀片受推力后使轿门打开，第一摆杆逆时针转动，第一可动刀片往开门方向摆动，在第一可动刀片摆动直至接触到层门联动滚轮时，第一可动刀片的往开门方向的摆动水平行程量为S4＝S1-D；上述公式中，S4是第一可动刀片的往开门方向的摆动水平行程量，S1是门全闭时第一可动刀片工作面到第二可动刀片工作面距离，D是层门解锁滚轮及层门联动滚轮水平方向的外宽。
优选地，所述电梯轿厢门机装置还包括：控制器、电机、门到位开关、门到位开关触发器、位置开关、位置开关触发器、门开关同步带、同步带轮、同步带张紧装置、驱动侧皮带吊臂、驱动侧门挂板、从动侧皮带吊臂、从动侧门挂板、门导轨、开门限位装置、关门限位装置；门机驱动部件、门导轨、同步带轮、同步带张紧装置设置于门机横梁上，同步带绕在电机输出带轮和位于另一端的同步带轮的轮槽内，并用同步带张紧装置张紧；在门中心的左右两端，同步带上分别在上下位置各设置有驱动侧皮带吊臂和从动侧皮带吊臂，并使驱动侧皮带吊臂与从动侧皮带吊臂的运动方向相反；驱动侧皮带吊臂连接驱动侧门挂板的上部，从动侧皮带吊臂连接从动侧门挂板的上部，驱动侧门挂板和从动侧门挂板的滑轮在门导轨上滚动；在门机横梁的每个门到位位置设置门到位开关，在每个门上设置门到位开关触发器；控制器控制电机，使电机输出带轮转动，驱动侧门挂板和从动侧门挂板在同步带的传动下进行开关门；门到位开关接入安全回路判断轿门是否处于关闭位置，位置开关接入门控制回路。
优选地，当轿门带动层门联动且关轿门运动时，第二可动刀片在第二可动刀片动作驱动装置控制下往开门方向摆动释放对层门联动滚轮的推力，层门在强迫关门力和初动能作用下关门，当层门关门速度大于或等于轿门关门速度，层门的解锁滚轮最终 会接触到第一可动刀片并对第一可动刀片施加推力，当第一可动刀片被第一限位装置限位时，层门和轿门速度一致，此时解锁滚轮始终处于开锁状态，直到层门关闭后，轿厢门机的第一可动刀片远离解锁滚轮，层门解锁滚轮在自身弹簧力和重力作用下往锁合方向转动并最终锁合层门；当轿门关门时且所述第一可动刀片与第二可动刀片夹紧层门滚轮以使层门与轿门联动后，当层门速度小于轿门速度时，所述第一可动刀片驱动装置驱动第一可动刀片向开门方向运动，所述第一可动刀片驱动装置的驱动力大于层门解锁滚轮往锁合方向转动的水平力以防止层门解锁滚轮往锁合方向转动，直到所述阻挡部与凸起部相接触时，所述第一可动刀片驱动装置在阻挡部的作用下驱动第一可动刀片向关门方向运动以使层门解锁滚轮往锁合方向转动。
优选地，所述轿门开门和层门联动瞬间，轿门的行程是S＝P+S5；式中S是轿门的行程，P是轿门全闭时第一可动刀片与层门解锁滚轮的水平方向间隙，S5是层门解锁滚轮开锁的水平行程；轿门关门时，第一摆杆的滚轮接触到凸轮时，轿门距离轿门全闭位置剩下的轿门行程是小于等于前述轿门的行程S。
附图说明
下面结合附图和具体实施方式对本发明作进一步详细的说明：
图1是传统门机装置控制下的层门锁在开锁状态往关门方向运动，层门速度比轿门慢时，层门锁的状态示意图。
图2是本发明的电梯轿厢门机装置正面示意图(轿门全闭状态)。
图3是本发明的电梯轿厢门机装置立体示意图(轿门全闭状态)。
图4是本发明的电梯轿厢门机装置中的门刀结构立体正面示意图。
图5是本发明的电梯轿厢门机装置的第一实施例中阻挡部的立体示意图。
图6是本发明的电梯轿厢门机装置的第二实施例中弹性元件压板装置立体示意图。
图7是本发明的电梯轿厢门机装置的门刀在开锁状态往关门方向运动，层门速度比轿门慢，轿门关门前20mm时示意图。
图8是本发明的电梯轿厢门机装置控制下的层门锁在开锁状态往关门方向运动，层门速度比轿门慢，轿门关门前20mm时示意图。
图中附图标记说明：
1      门刀安装座                    2      第一可动刀片
3      第一摆杆                      4      第二摆杆
6      第一摆杆用轴                  7      第二摆杆用轴
9      阻挡部                        12     门开关同步带
13     凸起部                        14     滚轮用轴
18     第一限位装置                  23     第三摆杆用轴
24     第四摆杆用轴                  25     第三摆杆
26     第四摆杆                      27     第二可动刀片
28     层门解锁滚轮                  29     层门联动滚轮
30     驱动侧轿门                    32     驱动侧门挂板
33     从动侧门挂板                  34     从动侧皮带吊臂
35     第二可动刀片动作控制装置      36     第一摆杆转动中心
39     第二摆杆第二末端连接点        48     阻挡部折弯面
50     阻挡部凸轮线                  51     阻挡部安装面
53     第一摆杆的第一末端连接点      54     第二摆杆的第一末端连接点
57     第一摆杆的第二末端            60     螺栓(弹性元件导向装置)
61     弹性元件压板装置              62     弹性元件压板安装板
63     压簧(弹性元件)                64     压簧底座
65     圆锥轴                        125    门导轨
131    门机横梁                      132    门电机
133    控制器                        134    门到位开关
135    门到位开关触发器              136    位置开关
137    同步带轮                      138    开门限位装置
139    关门限位装置                  143    同步带张紧装置
144    位置开关触发器
具体实施方式
如图2-4所示，本发明的电梯轿厢门机装置包括门刀安装座1、第一摆杆3、第二摆杆4、第三摆杆25、第四摆杆26、第一可动刀片2、第二可动刀片27、第一限位 装置18、第二限位装置20、弹性元件、弹性元件导向装置、弹性元件压板装置61、凸起部13、阻挡部9、第二可动刀片动作控制装置35。
门刀安装座1安装在驱动侧轿门30上。门刀安装座1上高速旋压铆接了第一摆杆用轴6、第二摆杆用轴7、第三摆杆用轴23、第四摆杆用轴24。第一摆杆用轴6和第二摆杆用轴7的轴中心连线是竖直的，第一摆杆用轴6在第二摆杆用轴7的正上方。第三摆杆用轴23和第四摆杆用轴24的轴中心连线是竖直的，第三摆杆用轴23在第四摆杆用轴24的正上方。第一摆杆用轴6和第三摆杆用轴23具有一定的水平间距。
第一摆杆3具有转动中心36，转动中心36位置铆接了轴承。转动中心36的一侧的末端铆接轴承与第一可动刀片2的上部铰接，第一可动刀片2的上部在配合位置进行开孔，可以使用六角螺栓作为轴与第一摆杆3的转动中心36一侧的铰接点处轴承配合。第一摆杆3上设置有凸起部13，较佳地该凸起部为一滚轮。第一摆杆3上设置高速旋压铆接了滚轮用轴14，第一摆杆滚轮内部铆接了轴承，滚轮铰接连接在滚轮用轴14上。第二摆杆4上设置有第二末端连接点39，该连接点39上铆接轴承，作为第二摆杆4的转动中心，与门刀安装座1的第二摆杆用轴7铰接，第二摆杆4的另一端铆接轴承与第一可动刀片2的下部铰接，第一可动刀片2的下部铰接处开孔，使用六角螺栓作为轴。第一可动刀片2使用六角螺栓作为轴，六角螺栓穿过第一摆杆的背面，贯通第一摆杆3和第一摆杆4的轴承和第一可动刀片2，在第一可动刀片正面用螺母固定。
如图5所示，在电梯门机横梁的静止部件上的阻挡部9是折弯过2次的钢板，2次都是90度折弯，其具有与电梯门机横梁的静止部件安装的阻挡部安装面51、与阻挡部安装面51垂直的阻挡部折弯面48，以及与阻挡部折弯面48垂直与阻挡部安装面51平行的第三面，阻挡部安装面51与第三面不在一个平面上，但互相平行。较佳地，第三面的侧面是凸轮的凸轮线50。轿门打开时，第一摆杆3在转动时，凸起部13与凸轮线接触，受凸轮线控制转动速度，当第一摆杆3停止转动时，凸起部13将远离阻挡部9。
如图4所示，门刀安装座1是一块90度折弯板，正面与门板表面平行，在关门侧有折弯形成的垂直正面的侧面。侧面上上端和下端分别开直径9mm的圆孔，在圆孔上孔中心对准焊接M8的焊接螺母，焊接螺母在门刀安装座的外侧。使用顶端包裹橡胶的M8螺栓，螺栓长度25mm，将此螺栓安装在前述的M8的焊接螺母上，螺栓位置在 门刀安装座的内侧。上侧与下侧的螺栓是第一限位装置18。第一可动刀片2有互相垂直的面，正面与第一摆杆3和第二摆杆4铰接后，第一可动刀片2是竖直的，在门全闭时调整第一限位装置，使第一可动刀片的侧面与第一限位装置18接触时，第一可动刀片2与层门锁上部解锁滚轮外圆水平间隙设为C1，一般可为9mm。
如图2-4所示，第一摆杆3、第二摆杆4、第一可动刀片2组成了双摆杆机构，其机构的重力使第一可动刀片2往开门方向摆动。阻挡部9对凸起部13的压力始终使第一摆杆3以转动中心36为中心顺时针转动，此时第一可动刀片2往关门方向摆动。当门全闭时，凸起部13被阻挡部9抵靠，位置是阻挡部9的凸轮曲线50的起始端,此时第一可动刀片2受第一限位装置18限位，无法继续摆动。
如图6所示，第二摆杆4上加工1个M5的螺纹孔，在该螺纹孔上安装弹性元件压板装置61。弹性元件压板装置61包括了弹性元件压板安装板62，压簧底座64，圆锥轴65。弹性元件压板安装板62是90度折弯的钢板，由正面和侧面组成，正面加工1个圆孔，通过这个圆孔安装第二摆杆4的M5螺纹孔上，在弹性元件压板安装板62的侧面加工直径5的圆孔，将压簧底座64高速铆接在此圆孔上，压簧底座64是一圆面，且圆面与弹性元件压板安装板62的侧面平行，压簧底座64上有圆锥轴65，圆锥轴轴心与压簧底座64圆心同心，圆锥轴长度为5mm。与弹性元件压板安装板62水平相对的门刀安装座侧面上加工M5螺纹孔，并在门刀安装座侧面此螺纹孔上安装M5的螺钉，螺钉长度可以为12到16mm以内。门全闭时，调整弹性元件压板安装板62的侧面与门刀安装座1侧面的角度，可以设为10度，将压簧63一端套入在前述M5的螺钉上，另一端套在圆锥轴上，保证第一可动刀片2在整个最大摆动过程中，压簧63都不脱离圆锥轴65和M5螺钉60。第一可动刀片2的工作摆动行程中，弹性元件压板的压簧底座64的面始终与压簧63接触，使压簧63的变形积蓄或释放能量，压簧63在释放能量时，推动第一可动刀片2往开门方向摆动，第一可动刀片2往关门方向摆动使压簧63积蓄能量。
轿厢门机有全闭保持力，全闭保持力可以由电机力提供，也可以有其他机械装置提供。门全闭时，第一可动刀片2即使被压簧63或机构重力往开门方向推动，轿门在全闭保持力作用下，第一摆杆凸起部13被阻挡部9下端抵靠，第一可动刀片2无法往开门方向摆动。
如图7-8所示，当轿厢在开锁区域正常开门时，此时在第一可动刀片2和第二可 动刀片27之间有层门解锁滚轮28和层门层门联动滚轮29，一般层门解锁滚轮28和层门联动滚轮29的外径相同，层门层门解锁滚轮28要摆动一定距离的开锁行程后，层门开锁滚轮无法摆动，此时层门解锁滚轮28和层门联动滚轮29的中心在一条竖直线上。轿门打开时，同前所述，第一可动刀片2往开门方向摆动，轿门打开同时，第一可动刀片2摆动一段水平距离K后接触到层门层门解锁滚轮28，继续打开轿门，第一可动刀片2继续摆动使层门层门解锁滚轮28向开层门锁方向摆动，一直到层门开锁滚轮无法摆动，此时层门解锁滚轮28和层门联动滚轮29的中心在一条竖直线上。此时要推动层门的加速度力远大于第一可动刀片2的驱动力。第一可动刀片2的驱动力是第一可动刀片2的双摆杆机构的重力，也可以是压簧63的推力。轿门继续打开时，第一可动刀片2在推动层门的加速度反力作用下克服驱动力往关门方向摆动。当轿门继续移动时，第一可动刀片2在层门反向推力作用摆动下接触到第一限位装置18，无法继续摆动，此时可定义轿门开门的行程是S，此时推动层门的加速度力由第一限位装置18提供，轿门和层门开始联动。
第二可动刀片27在轿门开门后就在第二可动刀片动作驱动装置35作用下开始往关门方向摆动，第二可动刀片动作驱动装置35使第二可动刀片27在轿门开门后往关门方向的摆动水平位移是S2:S2＝S1-D。
上述公式中，S1是门全闭时第一可动刀片2工作面到第二可动刀片27工作面距离，D是层门解锁滚轮28及层门联动滚轮29水平方向的外宽，一般的现有技术D是层门解锁滚轮或层门联动滚轮的的外径。
在实际设计上，根据前述设定，轿门全闭时，第一可动刀片2工作面与层门锁上部滚轮的外圆水平间隙P是9mm。通过对阻挡部9的设计，第一摆杆3的设计，第一摆杆3上第一回转中心36和第一可动刀片2的位置关系，第一摆杆3上凸起部13与第一摆杆回转中心36的位置关系，阻挡部9与第一摆杆回转中心36的位置关系，使轿门在开锁区域对层门的解锁联动过程如下：
当轿门行程4mm时，第一可动刀片2的水平摆动水平行程是5mm，第一可动刀片2工作面刚与层门解锁滚轮28外圆接触。
当轿门行程7mm时，第一可动刀片2的水平摆动水平行程是9mm，第一可动刀片2使层门解锁滚轮28外圆转动到开锁行程最大处，此时层门解锁滚轮28与层门锁下部滚轮29的中心在一条竖直线上，层门锁上部滚轮无法继续转动。此时层门加速度 力的反力大于第一可动刀片机构重力和压簧63推力的水平方向的力的总和。当轿门继续开门，此时第一可动刀片2开始反向往关门方向摆动。
当轿门行程16mm时，第一可动刀片2向关门方向转动已经接触到第一限位装置18，第一可动刀片2的与最初时比较的水平位移也是16mm，其后轿门和层门联动打开和关闭。轿门在打开过程中，第二可动刀片27在第二可动刀片动作控制装置35的控制下持续往关门方向摆动，最终摆动水平行程是S1-D，将层门上部和下部滚轮夹持住。
当轿厢在开锁区域，紧急救援时，使用三角钥匙打开层门，层门打开时，层门锁下部滚轮29先接触到第二可动刀片27，第二可动刀片27受推力后使轿门打开，轿门打开时，第一摆杆3逆时针转动，第一可动刀片2往开门方向摆动，在第一可动刀片2摆动直至接触到层门联动滚轮29时
第一可动刀片2的往开门方向的摆动水平行程量为S4：S4＝S1-D。
上述公式中，S1是门全闭时第一可动刀片2工作面到第二可动刀片27工作面距离，这里取72mm，D是层门解锁滚轮及层门联动滚轮水平方向的外宽，D是层门解锁滚轮或层门联动滚轮的的外径这里取46mm。
当轿厢在开锁区域，轿门带动层门联动，当关门运动时，第二可动刀片27在第二可动刀片动作驱动装置35控制下往开门方向摆动释放对层门联动滚轮的推力。目前的技术，一般在轿门关门前约90mm时第二可动刀片27释放对层门联动滚轮的推力，层门在强迫关门力和初动能作用下关门。之后的关门会出现两种情况：
第一种情况，层门关门速度始终大于或等于轿门关门速度，层门的解锁滚轮28最终会接触到第一可动刀片2，对第一可动刀片2施加推力，当第一可动刀片2被第一限位装置18限位时，层门和轿门速度一致，此时解锁滚轮始终处于开锁状态，直到层门关闭后，轿厢门机的第一可动刀片2远离解锁滚轮28，层门解锁滚轮在自身弹簧力和重力作用下往锁合方向转动并最终锁合层门。
第二种情况，层门关门速度小于轿门关门速度，此时层门解锁滚轮产生远离第一可动刀片2的趋势，此时第一可动刀片2在双摆杆机构的重力或压簧63的作用下往开门方向转动，压簧63产生的第一可动刀片2在开门方向的水平推力应大于层门解锁滚轮28往锁合方向转动产生的水平力。层门解锁滚轮28在第一可动刀片2的推动下无法往锁合方向转动。直到第一摆杆3的凸起部13接触到阻挡部9，第一摆杆3在阻挡部9的反向推力下使第一可动刀片2往关门方向转动，此时层门解锁滚轮28 开始往锁合方向转动。
根据前述轿门开门和层门联动瞬间，轿门的行程是S＝P+S5＝16mm
P是轿门全闭时第一可动刀片2与层门解锁滚轮的水平方向间隙9mm。
S5是层门解锁滚轮开锁的水平行程7mm。
轿门关门时，第一摆杆3的凸起部13接触到阻挡部9时，轿门距离轿门全闭位置剩下的轿门行程是小于等于S，这通过以下设计获得：
(1)阻挡部9的凸轮线外形以及阻挡部9和第一摆杆3的位置关系。
(2)第一摆杆3自身的杠杆比和凸起部13的外径。杠杆比是凸起部13中心到转动中心距离与和第一可动刀片2铰接点到转动中心距离。
(3)第二可动刀片2的摆动的水平行程与轿门行程的关系。
本案通过以上设计，对层门锁的开锁状态进行控制，保持轿门开门行程S或关门前行程S时，层门锁都是开锁状态，避免层门锁的挂钩过早地落下和层门锁的固定钩过早地撞击。
如图1-7所示，本发明的电梯轿厢门机装置还包括控制器133、门电机132、门到位开关134、门到位开关触发器135、位置开关136、位置开关触发器144、门开关同步带12、同步带轮137、同步带张紧装置143、驱动侧皮带吊臂、驱动侧门挂板32、从动侧皮带吊臂34、从动侧门挂板33、门导轨125、开门限位装置138、关门限位装置139；门机驱动部件、门导轨125、同步带轮137、同步带张紧装置143设置于门机横梁131上，同步带12绕在电机输出带轮和位于另一端的同步带轮137的轮槽内，并用同步带张紧装置143张紧；在门中心的左右两端，同步带12上分别在上下位置各设置有驱动侧皮带吊臂和从动侧皮带吊臂34，并使驱动侧皮带吊臂与从动侧皮带吊臂34的运动方向相反；驱动侧皮带吊臂连接驱动侧门挂板32的上部，从动侧皮带吊臂34连接从动侧门挂板33的上部，驱动侧门挂板32和从动侧门挂板33的滑轮在门导轨125上滚动；在门机横梁131的每个门到位位置设置门到位开关134，在每个门上设置门到位开关触发器144；控制器133控制电机132，使电机132输出带轮转动，驱动侧门挂板32和从动侧门挂板33在同步带12的传动下进行开关门；门到位开关134接入安全回路判断轿门是否处于关闭位置，位置开关136接入门控制回路。

Claims (16)

  1. 一种电梯轿厢门机装置，包括电梯门机横梁(131)、门刀组件和门刀安装座(1)，其特征在于，所述门刀安装座(1)固定设置在驱动侧轿门上，所述门刀组件包括：
    第一可动刀片(2)，其通过连接件活动连接在所述门刀安装座(1)上；
    第二可动刀片(27)，其通过连接件活动连接在所述门刀安装座(1)上并与第一可动刀片配合夹紧或松开层门解锁滚轮以带动层门移动；
    第一可动刀片驱动装置，其与第一可动刀片(2)可转动地连接并驱动第一可动刀片(2)向靠近第二可动刀片(27)的方向摆动；
    凸起部(13)，其设置在第一可动刀片驱动装置上；
    阻挡部(9)，其固定设置在电梯门机横梁的静止部件上；
    在轿门开门时该阻挡部(9)与所述凸起部(13)相配合限制第一可动刀片(2)的摆动范围和摆动速度，在轿门关门时该阻挡部(9)与所述凸起部(13)相配合使第一可动刀片(2)往远离第二可动刀片(27)的方向摆动。
  2. 如权利要求1所述的电梯轿厢门机装置，其特征在于，所述第一可动刀片驱动装置包括第一摆杆(3)和第二摆杆(4)，其中，
    所述第一摆杆(3)包括：
    转动中心(36)，其与所述门刀安装座(1)可转动地连接；
    第一末端连接点(53)，其与第一可动刀片上部可转动地连接；
    第二末端(57)，所述凸起部(13)设置在该第二末端上；
    所述第二摆杆包括：
    第一末端连接点(54)，其与第一可动刀片下部可转动地连接；
    第二末端连接点(39)，其与所述门刀安装座(1)可转动地连接；所述第一摆杆的第一末端连接点与第二摆杆第二末端连接点的连线始终保持竖直，所述第一摆杆的转动中心(36)与第二末端连接点的连线始终保持竖直。
  3. 如权利要求2所述的电梯轿厢门机装置，其特征在于，所述门刀安装座(1)上设有第一限位装置，所述第一限位装置用以限制第一可动刀片(2)向关轿门方向移动的距离。
  4. 如权利要求3所述的电梯轿厢门机装置，其特征在于，所述第一可动刀片驱动装置以自身重力驱动第一可动刀片向靠近第二可动刀片的方向摆动。
  5. 如权利要求3所述的电梯轿厢门机装置，其特征在于，所述第二摆杆上设置有 弹性元件压板装置(61)，所述门刀安装座(1)上设置弹性元件导向装置，所述弹性元件导向装置与一弹性元件的一端相套接，所述弹性元件的另一端与弹性元件压板装置(61)相套接；
    所述弹性元件通过弹性元件压板装置(61)向第一可动刀片(2)施加压力推动第一可动刀片(2)往靠近第二可动刀片(27)方向摆动；
    所述弹性元件导向装置与弹性元件压板装置相配合保证第一可动刀片(2)在整个摆动过程中始终套接在所述弹性元件导向装置以及弹性元件压板装置(61)之间。
  6. 如权利要求4所述的电梯轿厢门机装置，其特征在于，所述凸起部(13)为一滚轮。
  7. 如权利要求4所述的电梯轿厢门机装置，其特征在于，所述凸起部(13)为一固定轴。
  8. 如权利要求6所述的电梯轿厢门机装置，其特征在于，所述阻挡部(9)为一凸轮，在轿门全闭时滚轮被凸轮抵靠在凸轮曲线的起始端；在轿门打开时第一摆杆转动，该凸轮的凸轮曲线与所述滚轮接触，所述滚轮受凸轮曲线控制转动速度；在第一摆杆停止转动时，所述滚轮远离凸轮。
  9. 如权利要求4所述的电梯轿厢门机装置，其特征在于，所述第一限位装置为至少一个限位螺杆，该限位螺杆与门刀的接触面包裹橡胶。
  10. 如权利要求4所述的电梯轿厢门机装置，其特征在于，
    所述弹性元件压板装置(61)包括弹性元件压板安装板(62)、压簧底座(64)、圆锥轴(65)，所述压板安装板(62)固定连接在第二摆杆(4)上，所述压簧底座(64)可转动地连接在压板安装板(62)上，所述圆锥轴(65)设置在压板安装板(62)上；
    所述弹性元件导向装置为一螺钉(60)，其固定连接在门刀安装座(1)上；
    所述弹性元件为压簧(63)，压簧(63)一端套入所述螺钉(60)，另一端套在圆锥轴(65)上。
  11. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于，轿门在打开时，所述凸起部(13)在第一可动刀片驱动装置的转动过程中产生的水平位移方向是关门方向。
  12. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于，所述门刀组件还包括第二可动刀片动作控制装置(35)，其驱动第二可动刀片(27)摆动，当轿 厢在开锁区域正常开门时，所述第二可动刀片(27)在轿门开门后往关门方向的摆动水平位移由以下公式得出：
    S2＝S1-D；
    式中，S2是第二可动刀片(27)在轿门开门后往关门方向的摆动水平位移，S1是门全闭时第一可动刀片(2)工作面到第二可动刀片(27)工作面距离，D是层门解锁滚轮及层门联动滚轮水平方向的外宽。
  13. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于，所述门刀组件还包括第二可动刀片动作控制装置(35)，其驱动第二可动刀片(27)摆动，当轿厢在开锁区域紧急救援后层门打开时层门锁下部滚轮(29)先接触到第二可动刀片(27)，第二可动刀片(27)受推力后使轿门打开，第一摆杆(3)逆时针转动，第一可动刀片(2)往开门方向摆动，在第一可动刀片(2)摆动直至接触到层门联动滚轮(29)时，第一可动刀片(2)的往开门方向的摆动水平行程量为
    S4＝S1-D；
    上述公式中，S4是第一可动刀片(2)的往开门方向的摆动水平行程量，S1是门全闭时第一可动刀片(2)工作面到第二可动刀片(27)工作面距离，D是层门解锁滚轮及层门联动滚轮水平方向的外宽。
  14. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于：所述电梯轿厢门机装置还包括控制器(133)、电机(132)、门到位开关(134)、门到位开关触发器(135)、位置开关(136)、位置开关触发器(144)、门开关同步带(12)、同步带轮(137)、同步带张紧装置(143)、驱动侧皮带吊臂、驱动侧门挂板(32)、从动侧皮带吊臂(34)、从动侧门挂板(33)、门导轨(125)、开门限位装置(138)、关门限位装置(139)；
    门机驱动部件、门导轨(125)、同步带轮(137)、同步带张紧装置(143)设置于门机横梁(131)上，同步带(12)绕在电机输出带轮和位于另一端的同步带轮(137)的轮槽内，并用同步带张紧装置(143)张紧；
    在门中心的左右两端，同步带(12)上分别在上下位置各设置有驱动侧皮带吊臂和从动侧皮带吊臂(34)，并使驱动侧皮带吊臂与从动侧皮带吊臂(34)的运动方向相反；
    驱动侧皮带吊臂连接驱动侧门挂板(32)的上部，从动侧皮带吊臂(34)连接从 动侧门挂板(33)的上部，驱动侧门挂板(32)和从动侧门挂板(33)的滑轮在门导轨(125)上滚动；在门机横梁(131)的每个门到位位置设置门到位开关(134)，在每个门上设置门到位开关触发器(144)；
    控制器(133)控制电机(132)，使电机(132)输出带轮转动，驱动侧门挂板(32)和从动侧门挂板(33)在同步带(12)的传动下进行开关门；
    门到位开关(134)接入安全回路判断轿门是否处于关闭位置，位置开关(136)接入门控制回路。
  15. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于：当轿门带动层门联动且关轿门运动时，第二可动刀片(27)在第二可动刀片动作驱动装置(35)控制下往开门方向摆动释放对层门联动滚轮的推力；
    层门在强迫关门力和初动能作用下关门，当层门关门速度大于或等于轿门关门速度，层门的解锁滚轮(28)最终会接触到第一可动刀片(2)并对第一可动刀片(2)施加推力，当第一可动刀片(2)被第一限位装置(18)限位时，层门和轿门速度一致，此时解锁滚轮始终处于开锁状态，直到层门关闭后，轿厢门机的第一可动刀片(2)远离解锁滚轮(28)，层门解锁滚轮在自身弹簧力和重力作用下往锁合方向转动并最终锁合层门；
    当轿门关门时且所述第一可动刀片(2)与第二可动刀片(27)夹紧层门滚轮以使层门与轿门联动后，当层门速度小于轿门速度时，所述第一可动刀片驱动装置驱动第一可动刀片(2)向开门方向运动，所述第一可动刀片驱动装置的驱动力大于层门解锁滚轮往锁合方向转动的水平力以防止层门解锁滚轮往锁合方向转动，直到所述阻挡部(9)与凸起部(13)相接触时，所述第一可动刀片驱动装置在阻挡部(9)的作用下驱动第一可动刀片(2)向关门方向运动以使层门解锁滚轮往锁合方向转动。
  16. 如权利要求4-9中之一所述的电梯轿厢门机装置，其特征在于，所述轿门开门和层门联动瞬间，轿门的行程是S＝P+S5；
    式中S是轿门的行程，P是轿门全闭时第一可动刀片(2)与层门解锁滚轮的水平方向间隙，S5是层门解锁滚轮开锁的水平行程；
    轿门关门时，第一摆杆(3)的滚轮(13)接触到凸轮(9)时，轿门距离轿门全闭位置剩下的轿门行程是小于等于前述轿门的行程S。
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