CN109720972B - Elevator cage door machine device - Google Patents
Elevator cage door machine device Download PDFInfo
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- CN109720972B CN109720972B CN201711029437.8A CN201711029437A CN109720972B CN 109720972 B CN109720972 B CN 109720972B CN 201711029437 A CN201711029437 A CN 201711029437A CN 109720972 B CN109720972 B CN 109720972B
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- door
- movable blade
- car door
- landing
- roller
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- 230000001360 synchronised effect Effects 0.000 claims description 35
- 230000000903 blocking effect Effects 0.000 claims description 29
- 238000003825 pressing Methods 0.000 claims description 29
- 239000000725 suspension Substances 0.000 claims description 23
- 230000033001 locomotion Effects 0.000 claims description 11
- 230000005484 gravity Effects 0.000 claims description 9
- 238000006073 displacement reaction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 230000003068 static effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000004888 barrier function Effects 0.000 abstract 3
- 230000001133 acceleration Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/12—Arrangements for effecting simultaneous opening or closing of cage and landing doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
- B66B13/16—Door or gate locking devices controlled or primarily controlled by condition of cage, e.g. movement or position
- B66B13/18—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
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses an elevator car door machine device. Including elevator door machine crossbeam, door sword subassembly and door sword mount pad, the door sword subassembly includes first movable blade, the movable blade of second, first movable blade drive arrangement, bellying, barrier portion, this barrier portion (9) can with bellying (13) looks butt, the swing range and the slew velocity of first movable blade (2) of restriction when the sedan-chair door is opened the door of barrier portion (9) to make first movable blade (2) toward the direction swing of keeping away from the movable blade of second (27) when the sedan-chair door is closed the door. The invention can prevent the rotating hook of the landing door lock from contacting the fixed hook of the landing door lock too early, and effectively keep the kinetic energy of the landing door.
Description
Technical Field
The invention relates to an elevator component, in particular to an elevator car door machine device.
Background
In the process of up-and-down operation of the elevator, when the elevator car and the landing are on the same floor, the door knife of the door machine on the elevator car side drives the landing door linkage roller on the landing door side to be linked together, so that the action of opening and closing the elevator door is realized.
Commonly used door knives include both synchronous and asynchronous door knives. The synchronous door knife firstly realizes the action of clamping the landing door linkage roller by the door knife, and then the car door and the landing door are linked together; the asynchronous door knife moves simultaneously with the car door, the car door generally walks a certain travel before the car door is linked with the landing door, and the asynchronous door knife can release the pushing force of the landing door in the door closing direction in advance when the car door is closed.
Fig. 1 shows a state of a landing door lock under the control of a conventional door operator apparatus. Because asynchronous door sword can release the thrust to the landing door in the direction of closing the door in advance when closing the door, when landing door closing speed is less than the sedan-chair door, the too early lock that falls of landing door couple meeting out of control, can early striking landing door fixed hook when closing the door, the initial kinetic energy loss when the landing door out of control is too fast, when the landing has the wind pressure, landing door bottom slider extrudees the sill lateral wall under the wind pressure, make the increase of bottom frictional force, when the force of closing the door is less than frictional force in the force of forcing, will lead to the landing door can not normally close the door.
Disclosure of Invention
The invention aims to provide an elevator car door machine device which can prevent a landing door hook from being locked prematurely when the door closing speed of the landing door is lower than that of a car door.
In order to solve the technical problem, the invention discloses an elevator car door machine device, which comprises an elevator door machine crossbeam, a door vane assembly and a door vane mounting seat, wherein the door vane mounting seat is fixedly arranged on a car door at a driving side, and the door vane assembly comprises: the first movable blade is movably connected to the door vane mounting seat through a connecting piece; the second movable blade is movably connected to the door vane mounting seat through a connecting piece and is matched with the first movable blade to clamp or loosen the landing door unlocking roller so as to drive the landing door to move; a first movable blade driving device which is rotatably connected to the first movable blade and drives the first movable blade to swing in a direction approaching the second movable blade by gravity; a projection portion provided on the first movable blade driving device; and the blocking part is fixedly arranged on a static part of a cross beam of the elevator door motor, can be abutted against the bulge part, limits the swing range and the swing speed of the first movable blade when the car door is opened, and enables the first movable blade to swing in the direction away from the second movable blade when the car door is closed.
Preferably, the first movable blade driving means includes a first swing link and a second swing link, wherein the first swing link includes: a rotation center rotatably connected to the vane mount, a first end connection point rotatably connected to an upper portion of the first movable blade, and a second end on which the boss is provided; the second swing link includes: a first end connection point rotatably connected to a lower portion of the first movable blade, and a second end connection point rotatably connected to the vane mount; and a connecting line of a first end connecting point of the first swing rod and a second end connecting point of the second swing rod is always kept vertical, and a connecting line of a rotating center of the first swing rod and the second end connecting point is always kept vertical.
Preferably, a first limiting device is arranged on the door vane mounting seat and used for limiting the moving distance of the first movable blade towards the car closing door direction.
Preferably, the first movable blade driving device drives the first movable blade to swing in a direction approaching the second movable blade by its own weight.
Preferably, an elastic element pressing plate device is arranged on the second swing rod, an elastic element guiding device is arranged on the door knife mounting seat, the elastic element guiding device is sleeved with one end of an elastic element, the other end of the elastic element is sleeved with the elastic element pressing plate device, the elastic element applies pressure to the first movable blade through the elastic element pressing plate device to push the first movable blade to swing towards the direction close to the second movable blade, and the elastic element guiding device is matched with the elastic element pressing plate device to ensure that the first movable blade is always sleeved between the elastic element guiding device and the elastic element pressing plate device in the whole swinging process.
Preferably, the projection is a roller.
Preferably, the protruding part is a fixed shaft.
Preferably, the blocking part is a cam, and the roller is abutted against the starting end of a cam curve by the cam when the car door is fully closed; when the car door is opened, the first swing rod rotates, the cam curve of the cam is in contact with the roller, and the roller is controlled by the cam curve to rotate at a speed; when the first swing rod stops rotating, the roller is far away from the cam.
Preferably, the first limiting device is at least one limiting screw rod, and the contact surface of the limiting screw rod and the door knife is wrapped with rubber.
Preferably, the elastic element pressing plate device comprises an elastic element pressing plate mounting plate, a pressure spring base and a conical shaft, the pressing plate mounting plate is fixedly connected to the second swing rod, the pressure spring base is rotatably connected to the pressing plate mounting plate, and the conical shaft is arranged on the pressing plate mounting plate; the elastic element guide device is a screw and is fixedly connected to the door vane mounting seat; the elastic element is a pressure spring, one end of the pressure spring is sleeved in the screw, and the other end of the pressure spring is sleeved on the conical shaft.
Preferably, when the car door is opened, the direction of horizontal displacement of the projection generated during rotation of the first movable blade driving device is the door closing direction.
Preferably, the door vane assembly further comprises a second movable vane motion control device, which drives the second movable vane to swing, and when the car is normally opened in the unlocking area, the horizontal swing displacement of the second movable vane in the door closing direction after the car door is opened is obtained by the following formula: s2 ═ S1-D; wherein S2 is the horizontal swing displacement of the second movable blade in the door closing direction after the door is opened, S1 is the distance from the first movable blade operating surface to the second movable blade operating surface when the door is fully closed, and D is the outer width of the landing door unlocking roller and the landing door linking roller in the horizontal direction.
Preferably, the door vane assembly further comprises a second movable vane motion control device, which drives the second movable vane to swing, when the car is opened after emergency rescue in the unlocking area, the lower roller of the landing door lock contacts the second movable vane first, the second movable vane pushes the car door to open, the first swing rod rotates anticlockwise, the first movable vane swings towards the door opening direction, and when the first movable vane swings until the first movable vane contacts the landing door linkage roller, the swing horizontal stroke amount of the first movable vane towards the door opening direction is S4 ═ S1-D; in the above equation, S4 represents the horizontal swing stroke of the first movable blade in the door opening direction, S1 represents the distance from the first movable blade operating surface to the second movable blade operating surface when the door is fully closed, and D represents the outer width of the landing door unlocking roller and the landing door interlocking roller in the horizontal direction.
Preferably, the elevator car door apparatus further comprises: the device comprises a controller, a motor, a door in-place switch trigger, a position switch trigger, a door switch synchronous belt, a synchronous belt wheel, a synchronous belt tensioning device, a driving side belt suspension arm, a driving side door hanging plate, a driven side belt suspension arm, a driven side door hanging plate, a door guide rail, a door opening limiting device and a door closing limiting device; the gantry crane driving part, the gantry crane guide rail, the synchronous belt pulley and the synchronous belt tensioning device are arranged on a gantry crane beam, and the synchronous belt is wound in a pulley groove of a motor output pulley and the synchronous belt pulley positioned at the other end and is tensioned by the synchronous belt tensioning device; a driving side belt suspension arm and a driven side belt suspension arm are respectively arranged at the upper position and the lower position on the synchronous belt at the left end and the right end of the center of the door, and the moving directions of the driving side belt suspension arm and the driven side belt suspension arm are opposite; the driving side belt suspension arm is connected with the upper part of the driving side door hanging plate, the driven side belt suspension arm is connected with the upper part of the driven side door hanging plate, and pulleys of the driving side door hanging plate and the driven side door hanging plate roll on the door guide rail; arranging a door in-place switch at each door in-place position of a gantry crane beam, and arranging a door in-place switch trigger on each door; the controller controls the motor to enable the motor output belt wheel to rotate, 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 door in-place switch is connected to the safety loop to judge whether the car door is in the closed position, and the position switch is connected to the door control loop.
Preferably, when the car door drives the landing door to be linked and the car door is closed to move, the second movable blade swings in the door opening direction under the control of the second movable blade action driving device to release thrust to the landing door linkage roller, the landing door is closed under the action of forced door closing force and initial kinetic energy, when the landing door closing speed is greater than or equal to the car door closing speed, the unlocking roller of the landing door finally contacts the first movable blade and applies thrust to the first movable blade, when the first movable blade is limited by the first limiting device, the landing door and the car door are consistent in speed, the unlocking roller is always in an unlocking state at the moment, and the first movable blade of the car door is far away from the unlocking roller until the landing door is closed, and the landing door unlocking roller rotates in the locking direction under the action of self spring force and gravity and finally locks the landing door; when the car door is closed and the first movable blade and the second movable blade clamp the landing door roller to enable the landing door and the car door to be linked, when the landing door speed is lower than the car door speed, the first movable blade driving device drives the first movable blade to move towards the door opening direction, the driving force of the first movable blade driving device is larger than the horizontal force of the landing door unlocking roller rotating towards the locking direction to prevent the landing door unlocking roller from rotating towards the locking direction, and until the blocking portion is contacted with the protruding portion, the first movable blade driving device drives the first movable blade to move towards the door closing direction under the action of the blocking portion to enable the landing door unlocking roller to rotate towards the locking direction.
Preferably, at the moment of linkage of the car door and the landing door, the stroke of the car door is S + P5; wherein S is the travel of the car door, P is the horizontal clearance between the first movable blade and the landing door unlocking roller when the car door is fully closed, and S5 is the horizontal travel of the landing door unlocking roller for unlocking; when the car door is closed, when the roller of the first swing rod contacts the cam, the car door stroke left by the car door from the full-closed position of the car door is less than or equal to the car door stroke S.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
fig. 1 is a schematic view of a landing door lock controlled by a conventional door operator device in a state where the landing door lock moves in a door closing direction in an unlocked state and the landing door speed is slower than that of a car door.
Fig. 2 is a front schematic view of the elevator car door apparatus of the present invention (fully closed state of the car door).
Fig. 3 is a schematic perspective view of the elevator car door apparatus of the present invention (fully closed state of the car door).
Fig. 4 is a perspective front view schematically showing the vane structure in the elevator car door apparatus of the present invention.
Fig. 5 is a schematic perspective view of a blocking portion in the first embodiment of the elevator car door apparatus of the present invention.
Fig. 6 is a perspective view of a resilient member presser device in a second embodiment of the elevator car door device of the present invention.
Fig. 7 is a schematic view showing the case where the vane of the elevator car door apparatus of the present invention moves in the door closing direction in the unlocked state, the landing door speed is slower than the car door, and the car door is 20mm before the car door is closed.
Fig. 8 is a schematic view of the landing door lock controlled by the elevator car door apparatus of the present invention moving in the door closing direction in the unlocked state, the landing door speed being slower than the car door, 20mm before the car door is closed.
The reference numbers in the figures illustrate:
1 door knife mounting seat 2 first movable blade
3 first swing link 4 second swing link
6 first swing link shaft 7 second swing link shaft
9 stop 12 door switch synchronous belts
13 axle for convex part 14 roller
18 first limiting device 23 third swing link shaft
24 shaft for fourth swing link 25 third swing link
26 fourth swing link 27 second movable blade
28-layer door unlocking roller and 29-layer door linkage roller
30 drive side door 32 drive side door link plate
33 driven side belt suspension arm of driven side door hanging plate 34
35 second movable blade motion control means 36 first swing link rotation center
39 second swing link second end connection point 48 blocking part bending surface
50 stop cam line 51 stop mounting surface
53 first end connection point of first pendulum rod 54 first end connection point of second pendulum rod
57 second end of the first rocker 60 bolt (elastic element guide)
61 elastic element pressing plate device 62 elastic element pressing plate mounting plate
63 pressure spring (elastic element) 64 pressure spring base
65 conical shaft 125 door guide rail
131 gantry crane beam 132 gantry crane motor
133 controller 134 door in-place switch
135 door in-place switch trigger 136 position switch
137 synchronous pulley 138 door opening limiting device
139 door closing limiting device 143 synchronous belt tensioning device
144 position switch trigger
Detailed Description
As shown in fig. 2 to 4, the elevator car door apparatus of the present invention includes a vane mount 1, a first swing link 3, a second swing link 4, a third swing link 25, a fourth swing link 26, a first movable vane 2, a second movable vane 27, a first stopper 18, a second stopper 20, an elastic element guide, an elastic element presser 61, a boss 13, a stopper 9, a second movable vane operation control means 35.
The vane mount 1 is mounted on the driving side car door 30. The door knife mounting seat 1 is in high-speed spinning riveting with a first swing rod shaft 6, a second swing rod shaft 7, a third swing rod shaft 23 and a fourth swing rod shaft 24. The axis center connecting line of the first swing link shaft 6 and the second swing link shaft 7 is vertical, and the first swing link shaft 6 is right above the second swing link shaft 7. The axis center connecting line of the third swing link shaft 23 and the fourth swing link shaft 24 is vertical, and the third swing link shaft 23 is positioned right above the fourth swing link shaft 24. The first swing link shaft 6 and the third swing link shaft 23 have a certain horizontal distance therebetween.
The first swing link 3 is provided with a rotating center 36, and a bearing is riveted at the position of the rotating center 36. The rivet bearing at the end of one side of the rotation center 36 is hinged with the upper part of the first movable blade 2, the upper part of the first movable blade 2 is provided with a hole at the matching position, and a hexagon bolt can be used as a shaft to be in bearing matching with the hinge point of one side of the rotation center 36 of the first swing link 3. The first swing link 3 is provided with a protrusion 13, preferably a roller. The first swing rod 3 is provided with a shaft 14 for a roller wheel in a high-speed spinning riveting mode, a bearing is riveted inside the roller wheel of the first swing rod, and the roller wheel is hinged to the shaft 14 for the roller wheel. A second tail end connecting point 39 is arranged on the second swing rod 4, a bearing is riveted on the connecting point 39 and used as a rotating center of the second swing rod 4, the second swing rod is hinged with the second swing rod of the door knife installation seat 1 through a shaft 7, the other end of the second swing rod 4 is hinged with the lower portion of the first movable blade 2 through the bearing, a hole is formed in the hinged portion of the lower portion of the first movable blade 2, and a hexagonal bolt is used as a shaft. The first movable blade 2 uses a hexagon bolt as a shaft, the hexagon bolt penetrates through the back surface of the first swing rod, penetrates through bearings of the first swing rod 3 and the first swing rod 4 and the first movable blade 2, and is fixed on the front surface of the first movable blade by a nut.
As shown in fig. 5, the blocking part 9 on the static part of the elevator door motor beam is a steel plate which is bent for 2 times, and the steel plate is bent for 2 times at 90 degrees, and the blocking part 9 is provided with a blocking part mounting surface 51 which is mounted with the static part of the elevator door motor beam, a blocking part bending surface 48 which is vertical to the blocking part mounting surface 51, and a third surface which is vertical to the blocking part bending surface 48 and parallel to the blocking part mounting surface 51, wherein the blocking part mounting surface 51 and the third surface are not on the same plane but are parallel to each other. Preferably, the side of the third face is the cam line 50 of the cam. When the car door is opened, the first swing link 3 rotates, the convex part 13 is in line contact with the cam, the rotation speed is controlled by the cam, and when the first swing link 3 stops rotating, the convex part 13 is far away from the blocking part 9.
As shown in fig. 4, the door vane mount 1 is a 90-degree bent plate, the front surface of which is parallel to the surface of the door panel, and the side surface perpendicular to the front surface formed by bending is provided on the door closing side. The upper end and the lower end of the side surface are respectively provided with a round hole with the diameter of 9mm, the center of the upper hole of the round hole is aligned with a welding nut welded with M8, and the welding nut is arranged on the outer side of the door knife mounting seat. The bolt was mounted on the aforementioned weld nut of M8 using a rubber-covered M8 bolt with a bolt length of 25mm, the bolt being located inside the door vane mount. The upper and lower bolts are first stop means 18. The first movable blade 2 is provided with mutually vertical surfaces, after the front surface is hinged with the first swing rod 3 and the second swing rod 4, the first movable blade 2 is vertical, when the door is completely closed, the first limiting device is adjusted, and when the side surface of the first movable blade is contacted with the first limiting device 18, the horizontal clearance between the first movable blade 2 and the excircle of the upper unlocking roller of the layer door lock is set to be C1 which can be generally 9 mm.
As shown in fig. 2-4, the first swing link 3, the second swing link 4, and the first movable blade 2 form a double swing link mechanism, and the gravity of the mechanism causes the first movable blade 2 to swing in the door opening direction. The pressure of the blocking portion 9 on the protrusion 13 always makes the first swing link 3 rotate clockwise around the rotation center 36, and at this time, the first movable blade 2 swings in the door closing direction. When the door is fully closed, the protruding portion 13 is abutted by the blocking portion 9, and the position is the starting end of the cam curve 50 of the blocking portion 9, and at this time, the first movable blade 2 is limited by the first limiting device 18 and cannot swing continuously.
As shown in fig. 6, 1M 5 threaded hole is processed on the second swing link 4, and the elastic element pressing plate device 61 is mounted on the threaded hole. The elastic element pressing plate device 61 comprises an elastic element pressing plate mounting plate 62, a pressure spring base 64 and a conical shaft 65. The elastic element pressing plate mounting plate 62 is a 90-degree bent steel plate and comprises a front face and a side face, the front face is provided with 1 round hole, an M5 threaded hole of the second swing rod 4 is formed in the round hole, the side face of the elastic element pressing plate mounting plate 62 is provided with a round hole with the diameter of 5, the pressure spring base 64 is riveted on the round hole at a high speed, the pressure spring base 64 is a round face, the round face is parallel to the side face of the elastic element pressing plate mounting plate 62, the pressure spring base 64 is provided with a conical shaft 65, the axis of the conical shaft is concentric with the circle center of the pressure spring base 64, and the length of the conical shaft. The side of the door vane mounting seat horizontally opposite to the elastic element pressure plate mounting plate 62 is provided with an M5 threaded hole, and a M5 screw is mounted on the threaded hole on the side of the door vane mounting seat, and the length of the screw can be within 12 to 16 mm. When the door is completely closed, the angle between the side surface of the elastic element pressure plate mounting plate 62 and the side surface of the door knife mounting base 1 is adjusted to be 10 degrees, one end of the pressure spring 63 is sleeved on the screw of the M5, and the other end of the pressure spring is sleeved on the conical shaft, so that the pressure spring 63 is ensured not to be separated from the conical shaft 65 and the screw 60 of the M5 in the whole maximum swinging process of the first movable blade 2. In the operational swing stroke of the first movable blade 2, the surface of the pressure spring base 64 of the elastic element pressure plate is always in contact with the pressure spring 63 to store or release energy by deformation of the pressure spring 63, and when the pressure spring 63 releases energy, the first movable blade 2 is pushed to swing in the door opening direction, and the first movable blade 2 swings in the door closing direction to store energy in the pressure spring 63.
The car door has full-closed holding force, which can be provided by motor force or other mechanical devices. When the door is completely closed, even if the first movable blade 2 is pushed towards the opening direction by the pressure spring 63 or the gravity of the mechanism, the first swing rod bulge 13 is abutted by the lower end of the blocking part 9 under the action of the completely closed retaining force of the car door, and the first movable blade 2 cannot swing towards the opening direction.
As shown in fig. 7-8, when the car is normally opened in the unlocking area, there are landing door unlocking roller 28 and landing door linkage roller 29 between the first movable blade 2 and the second movable blade 27, and the outer diameters of the landing door unlocking roller 28 and the landing door linkage roller 29 are generally the same, and after the landing door unlocking roller 28 swings for a certain unlocking stroke, the landing door unlocking roller cannot swing, and the centers of the landing door unlocking roller 28 and the landing door linkage roller 29 are on a vertical line. When the sedan-chair door is opened, as before, first movable blade 2 is toward the swing of the direction of opening the door, and the sedan-chair door is opened simultaneously, and first movable blade 2 swings and contacts layer door unblock gyro wheel 28 behind one section horizontal distance K, continues to open the sedan-chair door, and first movable blade 2 continues the swing and makes layer door unblock gyro wheel 28 to the swing of the door lock direction of opening the layer, and the gyro wheel of unblanking of layer door is unable to swing up to this moment, and layer door unblock gyro wheel 28 and layer door linkage gyro wheel 29's center is on a vertical line this moment. At this time, the acceleration force to push 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-rocker mechanism of the first movable blade 2, and may be the thrust of the pressure spring 63. When the car door is opened, the first movable blade 2 swings in the door closing direction against the driving force under the action of the acceleration reaction force for pushing the landing door. When the car door continues to move, the first movable blade 2 contacts the first limiting device 18 under the swinging action of the reverse thrust of the landing door, the car door cannot swing continuously, the door opening stroke can be defined as S, the acceleration force for pushing the landing door is provided by the first limiting device 18, and the car door and the landing door start to be linked.
When the door is opened, the second movable blade 27 starts to swing in the door closing direction by the second movable blade movement driving device 35, and the horizontal displacement of the second movable blade 27 in the door closing direction after the door is opened by the second movable blade movement driving device 35 is S2: s2 ═ S1-D.
In the above formula, S1 represents 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 represents the outer width of the landing door unlocking roller 28 and the landing door interlocking roller 29 in the horizontal direction, and D represents the outer diameter of the landing door unlocking roller or the landing door interlocking roller according to the conventional technique.
In actual design, according to the setting, when the car door is fully closed, the horizontal clearance P between the working surface of the first movable blade 2 and the outer circle of the roller at the upper part of the landing door lock is 9 mm. Through the design of the blocking part 9, the design of the first swing rod 3, the position relation between the first rotary center 36 and the first movable blade 2 on the first swing rod 3, the position relation between the boss 13 and the first swing rod rotary center 36 on the first swing rod 3, and the position relation between the blocking part 9 and the first swing rod rotary center 36, the unlocking linkage process of the car door to the landing door in the unlocking area is as follows:
when the car door stroke is 4mm, the horizontal swinging horizontal stroke of the first movable blade 2 is 5mm, and the working surface of the first movable blade 2 just contacts with the excircle of the landing door unlocking roller 28.
When the car door stroke is 7mm, the horizontal swinging horizontal stroke of the first movable blade 2 is 9mm, the first movable blade 2 enables the excircle of the landing door unlocking roller 28 to rotate to the position with the maximum unlocking stroke, the landing door unlocking roller 28 and the center of the lower landing door lock roller 29 are on the same vertical line, and the upper landing door lock roller cannot rotate continuously. At this time, the reaction force of the landing door acceleration force is larger than the sum of the first movable blade mechanism gravity and the horizontal direction force of the pressing spring 63. When the car door continues to open, the first movable blade 2 starts to swing in the opposite direction to the door closing direction.
When the car door stroke is 16mm, the first movable blade 2 rotates towards the door closing direction and contacts the first limiting device 18, the horizontal displacement of the first movable blade 2 compared with the initial time is also 16mm, and then the car door and the landing door are opened and closed in a linkage mode. During the opening of the car door, the second movable blade 27 is continuously swung in the door closing direction under the control of the second movable blade motion control device 35, and the final swing horizontal stroke is S1-D, and the upper and lower rollers of the landing door are clamped.
When the lift car is in an unlocking area and in emergency rescue, the landing door is opened by using the triangular key, when the landing door is opened, the lower roller 29 of the landing door lock firstly contacts the second movable blade 27, the second movable blade 27 pushes the lift car door to be opened, when the lift car door is opened, the first swing rod 3 rotates anticlockwise, the first movable blade 2 swings towards the door opening direction, and when the first movable blade 2 swings until the first movable blade 2 contacts the landing door linkage roller 29
The amount of horizontal swinging stroke of the first movable blade 2 in the door opening direction is S4: s4 ═ S1-D.
In the above formula, S1 represents 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, where D represents the outer width of the landing door unlocking roller and the landing door interlocking roller in the horizontal direction, and D represents the outer diameter of the landing door unlocking roller or the landing door interlocking roller, where D represents 46 mm.
When the car is in the unlocking area, the car door drives the landing door to be linked, and when the car door moves in a closing mode, 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 on the landing door linkage roller. In the prior art, the second movable blade 27 releases the thrust to the landing door linkage roller when the car door is closed by about 90mm, and the landing door is closed under the action of forced door closing force and initial kinetic energy. Two situations can occur after the door is closed:
in the first situation, the door closing speed of the landing door is always greater than or equal to the door closing speed of the car door, the unlocking roller 28 of the landing door finally contacts the first movable blade 2 to apply thrust to the first movable blade 2, when the first movable blade 2 is limited by the first limiting device 18, the landing door and the car door are consistent in speed, the unlocking roller is always in an unlocking state at the moment, the first movable blade 2 of the car door machine is far away from the unlocking roller 28 until the landing door is closed, and the landing door unlocking roller rotates in the locking direction under the action of self spring force and gravity and finally locks the landing door.
In the second case, the door closing speed of the landing door is less than the door closing speed of the car door, at this time, the landing door unlocking roller tends to be away from the first movable blade 2, at this time, the first movable blade 2 rotates in the door opening direction under the action of the gravity of the double-swing-rod mechanism or the pressure spring 63, and the horizontal thrust of the first movable blade 2 in the door opening direction, generated by the pressure spring 63, should be greater than the horizontal force generated by the landing door unlocking roller 28 rotating in the locking direction. The landing door unlocking roller 28 cannot rotate in the locking direction under the pushing of the first movable blade 2. Until the convex portion 13 of the first swing link 3 contacts the blocking portion 9, the first swing link 3 rotates the first movable blade 2 in the door closing direction under the reverse thrust of the blocking portion 9, and at this time, the landing door unlocking roller 28 starts to rotate in the locking direction.
According to the linkage moment of the car door opening and the landing door, the stroke of the car door is S + P5-16 mm
And P is a horizontal gap 9mm between the first movable blade 2 and the landing door unlocking roller when the car door is fully closed.
S5 is the horizontal travel 7mm that the layer door unblock gyro wheel unblanked.
When the car door is closed, when the boss 13 of the first swing link 3 contacts the stop part 9, the remaining car door stroke of the car door from the car door full-closing position is less than or equal to S, which is obtained by the following design:
(1) the cam line profile of the stopper 9 and the positional relationship of the stopper 9 and the first rocker 3.
(2) The lever ratio of the first swing link 3 itself and the outer diameter of the boss 13. 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 with the first movable blade 2 to the center of rotation.
(3) The relationship between the horizontal stroke of the swing of the second movable blade 2 and the door stroke.
The present case is through above design, controls the state of unblanking of layer lock, when keeping sedan-chair door stroke S or the front stroke S of closing the door, and layer lock all is the state of unblanking, avoids the couple of layer lock to fall prematurely and the fixed hook of layer lock strikes prematurely.
As shown in fig. 1 to 7, the elevator car door apparatus of the present invention further includes a controller 133, a door motor 132, a door-in-place switch 134, a door-in-place switch trigger 135, a position switch 136, a position switch trigger 144, a door switch synchronous belt 12, a synchronous pulley 137, a synchronous belt tensioner 143, a driving-side belt hanger, a driving-side door hanger 32, a driven-side belt hanger 34, a driven-side door hanger 33, a door guide rail 125, a door opening limit device 138, a door closing limit device 139; the gantry crane driving part, the gantry crane guide rail 125, the synchronous pulley 137 and the synchronous belt tensioning device 143 are arranged on a gantry crane beam 131, and the synchronous belt 12 is wound in pulley grooves of the motor output pulley and the synchronous pulley 137 positioned at the other end and tensioned by the synchronous belt tensioning device 143; a driving side belt suspension arm and a driven side belt suspension arm 34 are respectively arranged on the synchronous belt 12 at the upper and lower positions at the left and right ends of the center of the door, and the movement directions of the driving side belt suspension arm and the driven side belt suspension arm 34 are opposite; the driving side belt suspension arm is connected with the upper part of the driving side door hanging plate 32, the driven side belt suspension arm 34 is connected with the upper part of the driven side door hanging plate 33, and pulleys of the driving side door hanging plate 32 and the driven side door hanging plate 33 roll on the door guide rail 125; a door-in-place switch 134 is provided at each door-in-place position of the gantry crane cross beam 131, and a door-in-place switch trigger 144 is provided on each door; the controller 133 controls the motor 132 to rotate an output belt wheel of the motor 132 to drive the side door hanging plate 32 and the driven side door hanging plate 33 to open and close the door under the transmission of the synchronous belt 12; the door-in-place switch 134 is connected to the safety circuit to determine whether the car door is in the closed position, and the position switch 136 is connected to the control circuit.
Claims (16)
1. The utility model provides an elevator car door machine device, includes elevator door machine crossbeam (131), door sword subassembly and door sword mount pad (1), its characterized in that, door sword mount pad (1) is fixed to be set up on drive side sedan-chair door, the door sword subassembly includes:
the first movable blade (2) is movably connected to the door vane mounting seat (1) through a connecting piece;
the second movable blade (27) is movably connected to the door vane mounting seat (1) through a connecting piece and is matched with the first movable blade to clamp or loosen the landing door unlocking roller so as to drive the landing door to move;
a first movable blade driving device which is rotatably connected to the first movable blade (2) and which drives the first movable blade (2) to swing in a direction approaching the second movable blade (27);
a projection (13) provided on the first movable blade drive device;
a blocking part (9) which is fixedly arranged on a static component of a cross beam of an elevator door motor;
when the car door is opened, the blocking part (9) is matched with the bulge part (13) to limit the swing range and the swing speed of the first movable blade (2), and when the car door is closed, the blocking part (9) is matched with the bulge part (13) to enable the first movable blade (2) to swing in the direction away from the second movable blade (27).
2. Elevator car door device according to claim 1, characterized in that said first movable blade drive means comprise a first rocker (3) and a second rocker (4), wherein,
the first swing link (3) comprises:
a rotation center (36) rotatably connected to the door vane mount (1);
a first end connection point (53) rotatably connected to the first movable blade upper portion;
a second end (57) on which the boss (13) is disposed;
the second swing link includes:
a first end attachment point (54) rotatably connected to a lower portion of the first movable blade;
a second end connection point (39) rotatably connected to the vane mount (1); and a connecting line of a first tail end connecting point of the first swing rod and a second tail end connecting point of the second swing rod is always kept vertical, and a connecting line of a rotating center (36) of the first swing rod and the second tail end connecting point is always kept vertical.
3. The elevator car door apparatus according to claim 2, wherein the vane mount (1) is provided with a first stopper for limiting a distance of movement of the first movable blade (2) in the direction of closing the car door.
4. The elevator car door apparatus according to claim 3, wherein said first movable blade driving means drives the first movable blade to swing in a direction approaching the second movable blade by its own weight.
5. The elevator car door apparatus according to claim 3, wherein said second swing link is provided with an elastic member pressing plate means (61), said vane mount (1) is provided with an elastic member guide means, said elastic member guide means is fitted with one end of an elastic member, and the other end of said elastic member is fitted with an elastic member pressing plate means (61);
the elastic element applies pressure to the first movable blade (2) through an elastic element pressing plate device (61) to push the first movable blade (2) to swing towards the direction close to the second movable blade (27);
the elastic element guide device and the elastic element pressing plate device are matched to ensure that the first movable blade (2) is always sleeved between the elastic element guide device and the elastic element pressing plate device (61) in the whole swinging process.
6. Elevator car door unit according to claim 4, characterized in that said projection (13) is a roller.
7. Elevator car door unit according to claim 4, characterized in that said projection (13) is a fixed shaft.
8. Elevator car door unit according to claim 6, characterized in that said blocking part (9) is a cam against which the roller rests against the beginning of the cam curve when the door is fully closed; when the car door is opened, the first swing rod rotates, the cam curve of the cam is in contact with the roller, and the roller is controlled by the cam curve to rotate at a speed; when the first swing rod stops rotating, the roller is far away from the cam.
9. Elevator car door unit according to claim 4, characterized in that said first stop means are at least one stop screw, which is rubber-coated on the contact surface with the vane.
10. Elevator car door device according to claim 5,
the elastic element pressing plate device (61) comprises an elastic element pressing plate mounting plate (62), a pressure spring base (64) and a conical shaft (65), the pressing plate mounting plate (62) is fixedly connected to the second swing rod (4), the pressure spring base (64) is rotatably connected to the pressing plate mounting plate (62), and the conical shaft (65) is arranged on the pressing plate mounting plate (62);
the elastic element guiding device is a screw (60) which is fixedly connected to the door vane mounting seat (1);
the elastic element is a pressure spring (63), one end of the pressure spring (63) is sleeved in the screw (60), and the other end of the pressure spring is sleeved on the conical shaft (65).
11. Elevator car door apparatus according to any of claims 4-9, characterized in that the direction of horizontal displacement of said projection (13) during rotation of the first movable blade drive when the car door is open is the door closing direction.
12. The elevator car door apparatus according to any of claims 4 to 9, wherein said vane assembly further comprises a second movable vane motion control means (35) for driving the second movable vane (27) to swing, and when the car is normally opened in the unlocked region, the horizontal displacement of the swing of said second movable vane (27) in the door closing direction after the door is opened is given by the following equation:
S2＝S1-D；
wherein S2 represents the horizontal displacement of the second movable blade (27) in the swinging direction of the car door in the closing direction after the car door is opened, S1 represents 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 D represents the horizontal outer width of the landing door unlocking roller and the landing door linkage roller.
13. The elevator car door apparatus according to any one of claims 4 to 9, wherein the vane assembly further comprises a second movable vane motion control means (35) for driving the second movable vane (27) to swing, the lower roller (29) of the landing door lock first contacts the second movable vane (27) when the landing door is opened after the emergency rescue of the car in the unlocked area, the second movable vane (27) is pushed to open the car door, the first swing link (3) rotates counterclockwise, the first movable vane (2) swings in the door opening direction, and when the first movable vane (2) swings until it contacts the landing door interlocking roller (29), the horizontal swinging stroke amount of the first movable vane (2) in the door opening direction is set to be equal to the horizontal swinging stroke amount of the first movable vane (2) in the door opening direction
S4＝S1-D；
In the above formula, S4 represents the horizontal swing stroke of the first movable blade (2) in the door opening direction, S1 represents 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 D represents the outer width of the landing door unlocking roller and the landing door interlocking roller in the horizontal direction.
14. Elevator car door apparatus according to one of claims 4-9, characterized in that: the elevator car door device further comprises a controller (133), a motor (132), a door in-place switch (134), a door in-place switch trigger (135), a position switch (136), a position switch trigger (144), a door switch synchronous belt (12), a synchronous pulley (137), a synchronous belt tensioning device (143), a driving side belt suspension arm, a driving side door hanging plate (32), a driven side belt suspension arm (34), a driven side door hanging plate (33), a door guide rail (125), a door opening limiting device (138) and a door closing limiting device (139);
the gantry crane driving part, the gantry crane guide rail (125), the synchronous pulley (137) and the synchronous belt tensioning device (143) are arranged on a gantry crane beam (131), and the synchronous belt (12) is wound in pulley grooves of the motor output pulley and the synchronous pulley (137) positioned at the other end and tensioned by the synchronous belt tensioning device (143);
a driving side belt suspension arm and a driven side belt suspension arm (34) are respectively arranged at the upper position and the lower position of the synchronous belt (12) at the left end and the right end of the center of the door, and the movement directions of the driving side belt suspension arm and the driven side belt suspension arm (34) are opposite;
the driving side belt suspension arm is connected with the upper part of the driving side door hanging plate (32), the driven side belt suspension arm (34) is connected with the upper part of the driven side door hanging plate (33), and pulleys of the driving side door hanging plate (32) and the driven side door hanging plate (33) roll on a door guide rail (125); a door in-place switch (134) is arranged at each door in-place position of a gantry crane cross beam (131), and a door in-place switch trigger (144) is arranged on each door;
the controller (133) controls the motor (132) to enable the motor (132) to rotate through an output belt wheel, and drives the side door hanging plate (32) and the driven side door hanging plate (33) to open and close the door under the transmission of the synchronous belt (12);
the door-in-place switch (134) is connected to the safety loop to judge whether the car door is in the closed position, and the position switch (136) is connected to the door control loop.
15. Elevator car door apparatus according to one of claims 4-9, characterized in that: when the car door drives the landing door to be linked and the car door is closed to move, the second movable blade (27) swings towards 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 landing door is closed under the action of forced door closing force and initial kinetic energy, when the door closing speed of the landing door is greater than or equal to the door closing speed of the car door, the unlocking roller (28) of the landing door finally contacts the first movable blade (2) and applies thrust to the first movable blade (2), when the first movable blade (2) is limited by the first limiting device (18), the landing door and the car door are consistent in speed, the unlocking roller is always in an unlocking state at the moment, until the landing door is closed, the first movable blade (2) of the car door machine is far away from the unlocking roller (28), and the landing door unlocking roller rotates in the locking direction under the action of self spring force and gravity and finally locks the landing door;
when the car door is closed and the first movable blade (2) and the second movable blade (27) clamp the landing door roller to enable the landing door and the car door to be linked, when the landing door speed is lower than the car door speed, the first movable blade driving device drives the first movable blade (2) to move towards the door opening direction, the driving force of the first movable blade driving device is larger than the horizontal force of the landing door unlocking roller rotating towards the locking direction to prevent the landing door unlocking roller from rotating towards the locking direction, and when the blocking portion (9) is contacted with the protruding portion (13), the first movable blade driving device drives the first movable blade (2) to move towards the door closing direction under the action of the blocking portion (9) to enable the landing door unlocking roller to rotate towards the locking direction.
16. Elevator car door apparatus according to one of claims 4 to 9, characterized in that at the moment of the coupling of the car door opening and landing door, the travel of the car door is S + P5;
wherein S is the travel of the car door, P is the horizontal clearance between the first movable blade (2) and the landing door unlocking roller when the car door is fully closed, and S5 is the horizontal travel for unlocking the landing door unlocking roller;
when the car door is closed, when the roller (13) of the first swing rod (3) contacts the cam (9), the left car door stroke of the car door from the car door full-closing position is less than or equal to the car door stroke S.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029437.8A CN109720972B (en) | 2017-10-27 | 2017-10-27 | Elevator cage door machine device |
| JP2020514996A JP7027533B2 (en) | 2017-10-27 | 2018-08-03 | Elevator door machine equipment |
| PCT/CN2018/098652 WO2019080583A1 (en) | 2017-10-27 | 2018-08-03 | Elevator car door machine device |
| EP18871254.1A EP3659957B1 (en) | 2017-10-27 | 2018-08-03 | Elevator car door operator device |
| KR1020207000094A KR102321041B1 (en) | 2017-10-27 | 2018-08-03 | elevator car door opener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711029437.8A CN109720972B (en) | 2017-10-27 | 2017-10-27 | Elevator cage door machine device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109720972A CN109720972A (en) | 2019-05-07 |
| CN109720972B true CN109720972B (en) | 2020-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711029437.8A Active CN109720972B (en) | 2017-10-27 | 2017-10-27 | Elevator cage door machine device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3659957B1 (en) |
| JP (1) | JP7027533B2 (en) |
| KR (1) | KR102321041B1 (en) |
| CN (1) | CN109720972B (en) |
| WO (1) | WO2019080583A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113860126B (en) * | 2021-09-28 | 2023-10-31 | 苏州富士精工电梯有限公司 | Umbrella-shaped principle round door machine |
| DE102021134388A1 (en) | 2021-12-22 | 2023-06-22 | Meiller Aufzugtüren GmbH | carrier system |
| CN114608858B (en) * | 2022-05-12 | 2022-08-12 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Elevator door strength inspection equipment |
| CN116081436B (en) * | 2023-04-07 | 2023-06-16 | 沈阳华彩机械制造有限公司 | Locking and dragging device of arc door machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2019080583A1 (en) | 2019-05-02 |
| EP3659957A4 (en) | 2021-04-21 |
| EP3659957B1 (en) | 2023-11-15 |
| JP2020533251A (en) | 2020-11-19 |
| KR20200016329A (en) | 2020-02-14 |
| KR102321041B1 (en) | 2021-11-04 |
| CN109720972A (en) | 2019-05-07 |
| EP3659957A1 (en) | 2020-06-03 |
| JP7027533B2 (en) | 2022-03-01 |
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