CN111717767B - Door knife linkage device and working method of door knife formed by door knife linkage device - Google Patents
Door knife linkage device and working method of door knife formed by door knife linkage device Download PDFInfo
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- CN111717767B CN111717767B CN202010670832.XA CN202010670832A CN111717767B CN 111717767 B CN111717767 B CN 111717767B CN 202010670832 A CN202010670832 A CN 202010670832A CN 111717767 B CN111717767 B CN 111717767B
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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
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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Abstract
The invention discloses a door knife linkage device and a working method of a door knife formed by the door knife linkage device, wherein the door knife linkage device comprises a power plate, a shifting sheet, a first transmission shaft and a second transmission shaft, the power plate is provided with a first waist hole and a second waist hole, the shifting sheet is provided with a third waist hole, one end of the first transmission shaft and one end of the second transmission shaft are both fixed on a door knife swing arm, the first transmission shaft penetrates through the first waist hole, the second transmission shaft penetrates through the second waist hole and the third waist hole in sequence, and the first waist hole, the second waist hole and the third waist hole are in a strip shape Low failure rate, safety, reliability, low manufacturing cost and convenient popularization.
Description
Technical Field
The invention relates to the field of elevators, in particular to a door vane linkage device for linkage of an elevator door vane and a teaching lock and a working method for forming the door vane.
Background
11.2.1c) in GB7588-2003 specifies: "the horizontal distance of the inner surface of the elevator shaft from the nearest door opening edge of the car sill, car door frame or sliding door should not be greater than 0.15 m. Wherein it is further specified that: the above-mentioned spacing is not limited if the car is equipped with mechanically locked doors and can only be opened in the unlocking zone of the landing doors, except in special cases, the operation of the elevator automatically depends on the locking of the car doors, which must be verified by an electrical safety device. The general practice for the above specification is: a protective wall is added on the inner surface of a well or an independent car door lock is installed on the inner surface of the well, so that when the elevator breaks down, passengers do not know a correct escape method, open the car door to escape, and then danger is caused. But the cost for installing the protective wall is high and the installation period of the elevator is prolonged; installing individual car door locks requires the installation of unlocking blades at each floor, which requires the car door lock to be installed and precisely adjusted on site when the elevator is installed. Especially when the floor is too high, the car moves from top to bottom and has a deviation, which brings more difficulty to the installation of the unlocking blade and greatly increases the failure rate of the car door lock.
With the implementation of elevator type test rules (TSGT7007-2016) and GB7588-2003+ XG1-2015, stricter requirements are imposed on the opening of the car door, and corresponding terms are added. GB7588-2003+ XG1-2015 requires the car door to be opened as follows
8.11 opening of doors
8.11.1 if for any reason the elevator is stopped in the unlocked zone (see 7.7.1), the doors should be manually opened with no more than 300N at the following positions:
a) a landing where the car is located is unlocked by a triangular key or a landing door is unlocked through a car door;
b) inside the car.
8.11.2 in order to limit the opening of the car door by the personnel in the car, measures should be provided such that:
a) when the lift car runs, the force for opening the lift car door is more than 50N; and
b) when the car is outside the area defined in 7.7.1, the car door can not be opened more than 50mm by applying 1000N of force at the door opening limiting device.
8.11.3 at least when the car stops within 9.11.5 specified distance, the car door can be opened from the landing without tools, except with a triangular key or tools permanently set on site, after the corresponding landing door is opened.
The present requirements also apply to car doors having 8.9.3-compliant car door locks.
8.11.4 for an elevator according to 11.2.1c), the doors should only be opened from within the car when the car is within the unlocking zone.
For the implementation of standard requirements, two schemes are available on the market, namely 1, adding a car door opening limiting device and 2, configuring a car door lock. For the case that the scheme 1 can only meet the requirement of 8.11.2b) in GB7588-2003+ XG1-2015 and cannot meet the requirement of 11.2.1c), the scheme 2 is the preferable scheme.
In order to meet the requirements of 8.11.1 in GB7588-2003+ XG1-2015 in the prior art, in order to realize unlocking in a flat zone, a door vane blade is mostly contracted by cutting off power in an unlocking zone, and a layer door ball triggers a layer door lock and a car door lock latch hook to lift up so as to realize unlocking. The disadvantages of this solution are:
1. when the door machine is powered off, the door knife contracts, and if the lift car moves up and down at the moment, the door knife blade can impact a door ball;
2. when the door machine is powered off, the door knife contracts, if the lift car moves up and down at the moment, the door knife blade can impact a door ball, the floor door lock and the car door lock can be disconnected, and at the moment, the functions of electric brake release, emergency leveling and the like can be disconnected to cause that a safety loop is disconnected and cannot normally run because the floor door lock and the car door lock are disconnected;
3. if when the flat bed cuts off the power supply abnormally, all personnel can freely come in and go out the lift car because the floor door lock and the lift car door lock are disconnected, and there is the safety risk.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the door vane linkage device with reasonable structural design.
The technical scheme adopted by the invention for solving the problems is as follows: a door knife linkage device comprises a power plate, a shifting piece, a first transmission shaft and a second transmission shaft, wherein the power plate is provided with a first waist hole and a second waist hole, the shifting piece is provided with a third waist hole, one end of the first transmission shaft and one end of the second transmission shaft are both fixed on a door knife swing arm, the first waist hole is penetrated by the first transmission shaft, the second waist hole and the third waist hole are sequentially penetrated by the second transmission shaft, the first waist hole, the second waist hole and the third waist hole are in a strip shape, the power plate is hinged with a door knife bottom plate, the shifting piece is hinged with the power plate, the power plate is provided with a transmission shaft connected with a door knife driving mechanism, a hook lock arm of a door knife is provided with a pre-tightening force for driving the door knife to rotate anticlockwise, the hook lock arm has an outward transverse movement allowance after being spliced and locked with a hook lock frame of an adaptive, the hook lock arm is hinged with the door knife bottom plate, one end of the hook lock arm is contacted with the shifting piece to enable the shifting piece to give a pre-lifting force, the hook lock arm is connected with the hook lock frame in an inserting mode through a lock pin piece and a lock hole piece in an inserting and matching mode, the lock hole piece is connected with the hook lock frame through an elastic part, the hook lock arm and the hook lock frame of the matching are enabled to have outward lateral movement allowance after being inserted and locked, the elastic part comprises a guide post, a reset spring and a ferrule, the guide post is transversely fixed on the hook lock frame, the reset spring is sleeved on the guide post, the ferrule is fixed with a moving plate and sleeved on the guide post, the reset spring pushes the ferrule to be far away from one side of a door knife, the moving plate rotates to be provided with a grooved wheel, and the grooved wheel is matched and arranged on a guide groove of the hook lock frame.
Further: one side of hook lock frame be provided with the direction inclined plane, one side of hook lock arm rotate and be provided with the roller bearing, roller bearing and direction inclined plane adaptation for roller bearing contact hook lock frame lifts up with direction inclined plane adaptation hook lock arm to it is spacing to fall into the opposite side locked groove of hook lock frame, hook lock arm give by clamp plate mechanism and order about its anticlockwise rotation's pretightning force, clamp plate mechanism include clamp plate, pressure spring frame fix on door sword bottom plate, the pressure spring cover establish on pressure spring frame, one end is fixed with the spacing position of pressure spring frame, the clamp plate slip cap is established at pressure spring frame and is fixed with the other end of pressure spring, the one end setting of clamp plate is on the first draw-in groove of hook lock arm, give hook lock arm outside thrust by pressure spring effect and make it have anticlockwise rotation's pretightning force.
And further: the inner side of the hook lock arm is rotatably provided with a hook lock wheel, the shifting piece is matched with the wheel surface of the hook lock wheel in a fitting manner, the matching position of the hook lock wheel and the shifting piece is a circular arc section, and the arc center of the circular arc section is coincided with the rotating circle center of the power plate.
Further: the door knife mechanism is also provided with a manual unlocking mechanism, the power plate is provided with a main tension spring, one end of the main tension spring is fixed with the power plate, the other end of the main tension spring is fixed with the door knife bottom plate, the hook lock arm is in a closed state position, the main tension spring is positioned below the hinge point of the power plate, the door knife bottom plate is rotatably provided with a lifting arm, the other end of the compression spring frame is arranged on the second clamping groove of the lifting arm, one end of the lifting arm is provided with an engaging groove matched with the power plate, the manual unlocking mechanism comprises a pull spring, a pull cable and an unlocking plate, the unlocking plate is rotatably arranged on the bottom plate of the door vane, the one end of drawing the spring fixed with the door sword bottom plate, the other end of drawing the spring is fixed with the connector of cable, the connector of unlocking board and one side and cable is fixed, the third draw-in groove meshing of unlocking board and hook lock arm.
A working method of a door knife with the door knife linkage device is characterized in that the door knife linkage device is arranged between a door knife swing arm and a hook lock arm of a car door lock;
if the car is in the unlocking zone: left side blade and right blade are when contracting to touching layer door ball, left side blade and right blade receive the door ball resistance can not continue the shrink, and the power board continues anticlockwise swing under the power of a machine does, first transmission shaft and second transmission shaft will follow the first waist hole and the second waist hole continuation removal that correspond on the power board this moment, drive the plectrum and rotate when the time is against, this moment because left side blade and right blade press from both sides the spacing back of layer door ball, the plectrum then produces eccentric rotation, make the plectrum lift up with the cooperation of latch hook wheel latch hook, latch hook contact and attached hook contact are in the off-state this moment, realize the normal unblock of sedan-chair door lock latch hook in the unlocking zone territory.
If the lift car is outside the unlocking area, when the left blade and the right blade contract and do not touch the landing door ball, the left blade and the right blade continue to contract without resistance, the power plate continues to swing anticlockwise to limit under the action of the door machine force, the first force transmission shaft and the second force transmission shaft do not move along the corresponding first waist hole and second waist hole on the power plate, the shifting piece and the lock hook wheel are normally matched with the lock hook and do not lift, the lock pin piece and the lock hole piece are in an engaged state at the moment, the door blade integrally moves leftwards under the action of the door machine force, the lock hook contacts with the movable plate, and due to the action of the elastic component, after the lock hook firmly moves leftwards, the movable plate cannot move leftwards until the lock hook directly moves to be in contact with the wall surface of the lock groove of the lock hook plate, so that the lock cannot unlock outside the unlocking area of the lift car door lock is realized, and the lock hole piece is in an engaged state in the movement process, the lock hook of the car door lock can not be unlocked outside the unlocking area.
If the cage is in the unlocking area, the door vane is in an opening state. When the door machine is in an electrified or power-off state, a person takes off a door in a car, because the central line of the main tension spring is arranged below the center of the shaft rotating arm, the left blade and the right blade of the door knife cannot contract, the lock hook is contacted with the moving plate along with the opening of the car door, the right blade is contacted with a layer door ball after the moving plate is firmly hooked by the lock hook moves leftwards for a certain distance, the moving arm continues to move under the resistance, the rotating arm rotates clockwise under the action of the right blade, the power shaft triggers the driving piece to rotate anticlockwise, the driving piece is matched with the lock hook wheel to lift the lock hook, the lock pin piece and the lock hole piece are in a disconnected state, and the normal unlocking of the lock hook of the car door lock is realized.
If the cage is in the unlocking area, the door vane is in an opening state. When the door machine is in an electrified or power-off state, a person opens the door outwards at the landing door, because the central line of the main tension spring is below the center of the shaft rotating arm shaft, the left blade and the right blade of the door knife cannot contract, as the landing door is opened, the landing door ball contacts the left blade, the landing door continues to move under the resistance, the rotating arm rotates clockwise under the action of the left blade, the power transmission shaft is driven to trigger the shifting piece to rotate anticlockwise, the shifting piece is matched with the lock hook wheel to lift the lock hook, the lock pin piece and the lock hole piece are in a disconnected state, and the normal unlocking of the lock hook of the car door lock is realized.
If the cage is outside the unlocking area, the door knife is in an opening state in the rescue area. Under the electrified or outage state of door machine, the people is after the layer door is opened to the layer door triangle key, and manual unblock wire rope is drawn downwards to manual, holds manual unblock wire rope through manual drawing downwards and can make manual unblock board rotate, acts on simultaneously and on the hook lock arm, can go up the hook lock arm and lift, and the lockpin spare is in the off-state with the lockhole spare, realizes the normal unblock of sedan-chair door lock latch hook.
Compared with the prior art, the invention has the following advantages and effects: the car door lock synchronization door knife is reasonable in structure, low in failure rate, safe, reliable, low in manufacturing cost and convenient to popularize.
Drawings
Fig. 1 is an exploded view of a door vane with a door vane linkage according to a patented embodiment of the present invention.
Fig. 2 is a perspective view of a door vane with a door vane linkage according to an embodiment of the present invention.
Fig. 3 is a front view of a door vane with a door vane linkage according to a patented embodiment of the present invention.
Fig. 4 is a rear view of a door vane with a door vane linkage according to a patented embodiment of the present invention.
FIG. 5 is a schematic structural diagram of a power plate according to an embodiment of the present invention.
FIG. 6 is a schematic structural diagram of a pick according to an embodiment of the present invention.
The reference numbers: the door knife base plate 1, the door knife mechanism 2, the door knife linkage device 3, the hook lock arm mechanism 4, the left blade 21, the right blade 22, the rotating arm 23, the power plate 31, the first transmission shaft 32, the second transmission shaft 33, the first positioning hole 24, the second positioning hole 25, the shifting piece 34, the main tension spring 35, the main shaft 36, the power shaft 37, the first guide groove 38, the first waist hole 39, the second waist hole 310, the third waist hole 311, the hook lock arm 41, the hook lock wheel 42, the hook lock bracket 43, the circular arc-shaped section 44, the guide inclined plane 45, the lock groove 46, the moving plate 47, the roller 48, the pressing plate mechanism 5, the pressing plate 51, the lifting arm 52, the pressing spring 53, the pressure spring bracket 54, the first clamping groove 55, the second clamping groove 56, the engagement groove 57, the manual unlocking mechanism 6, the pull spring 61, the pull cable 62, the unlocking plate 63, the lock pin member 65, the lock hole member 66, the lifting arm shaft 58, the second guide groove 59, the stopper 313, the arc-shaped limiting groove 314, the return spring 49, guide column 410, ferrule 411, guide groove 412, grooved wheel 413.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1 to 6, in a door knife linkage device 3 according to this embodiment, the door knife linkage device 3 is disposed between a door knife swing arm and a hook lock arm 41 of a car door lock, so as to realize linkage of the door knife mechanism 2 with the hook lock arm mechanism 4 of the door knife, the door knife linkage device 3 includes a power plate 31, a paddle 34, a first transmission shaft 32, and a second transmission shaft 33, the power plate 31 is provided with a first waist hole 39 and a second waist hole 310, the paddle 34 is provided with a third waist hole 311, one end of each of the first transmission shaft 32 and the second transmission shaft 33 is fixed on the door knife rotation arm 23, wherein the door knife body in this embodiment includes a left blade 21, a right blade 22, and a rotation arm 23, two ends of the rotation arm 23 are respectively connected with the left blade 21 and the right blade 22 in a rotating manner, the specific first transmission shaft 32 and the second transmission shaft 33 are fixed on the first positioning hole 24 and the second positioning hole 25 of the rotation arm 23, first transmission shaft 32 wears to establish first waist hole 39, second waist hole 310 and third waist hole 311 are worn to establish in proper order by second transmission shaft 33, first waist hole 39, second waist hole 310 and third waist hole 311 be rectangular form, power plate 31 articulated with door sword bottom plate 1, plectrum 34 is articulated with power plate 31, power plate 31 is provided with the transmission shaft and is connected with door sword actuating mechanism, the hook lock arm 41 of door sword is provided with the pretightning force of ordering about its anticlockwise rotation, hook lock arm 41 has the outside lateral shifting surplus with the hook lock frame 43 grafting locking of adaptation after, hook lock arm and door sword bottom plate 1 articulated and one end and plectrum 34 contact make and give plectrum 34 pre-lift power.
In the embodiment, a guide slope 45 is provided at one side of the latch bracket 43, a roller 48 is rotatably provided at one side of the latch arm 41, the roller 48 is matched with the guide inclined plane 45, so that the roller 48 contacts the hook lock frame 43 and is matched with the guide inclined plane 45 to lift the hook lock arm 41, and falls into the locking groove 46 at the other side of the hook locking frame 43 for limiting, the hook locking arm is given a pretightening force for driving the hook locking arm to rotate anticlockwise by the pressing plate mechanism 5, the pressing plate mechanism 5 comprises a pressing plate 51, a pressing spring 53 and a pressure spring frame 54, the pressure spring frame 54 is fixed on the door knife bottom plate 1, the compression spring 53 is sleeved on the compression spring frame 54, one end of the compression spring is fixed with the limiting part of the compression spring frame 54, the pressing plate 51 is sleeved on the compression spring frame 54 in a sliding mode and is fixed with the other end of the compression spring 53, one end of the pressing plate 51 is arranged on the first clamping groove 55 of the hook locking arm 41, and the compression spring 53 acts on the outward thrust of the hook locking arm 41 to enable the hook locking arm to have the pre-tightening force of anticlockwise rotation.
In a specific embodiment, a hook wheel 42 is rotatably arranged on the inner side of the hook lock arm 41, the dial piece 34 is fitted with the wheel surface of the hook wheel 42, the fitting position of the hook wheel 42 and the dial piece 34 is an arc-shaped section 44, and the arc center of the arc-shaped section 44 coincides with the rotation circle center of the power plate 31.
In a specific embodiment, the hook lock arm 41 and the hook lock frame 43 are inserted and matched with each other through the lock pin member 65 and the lock hole member 66 which are correspondingly connected, and the lock hole member 66 is connected with the hook lock frame 43 through an elastic component, so that the hook lock arm 41 and the hook lock frame 43 which is adapted to be inserted and locked have outward lateral movement allowance, the elastic component comprises a guide post 410, a return spring 49 and a ferrule 411, the guide post 410 is transversely fixed on the hook lock frame 43, the return spring 49 is sleeved on the guide post 410, the ferrule 411 and the moving plate 47 are fixed and sleeved on the guide post 410, so that the return spring 49 pushes the ferrule 411 to be far away from the side where the door knife is arranged, the moving plate 47 is rotatably provided with a grooved wheel, and the grooved wheel is adapted to be arranged on the guide groove 412 of the hook lock frame 43.
The door knife mechanism 2 in this embodiment is further provided with a manual unlocking mechanism 6, the power plate 31 is provided with a main tension spring 35, one end of the main tension spring 35 is fixed with the power plate 31, the other end of the main tension spring 35 is fixed with the door knife base plate 1, the hook lock arm 41 is in a closed state position, the main tension spring 35 is located below a hinge point of the power plate 31, the door knife base plate 1 is rotatably provided with a lifting arm 52, the other end of the pressure spring frame 54 is arranged on a second clamping groove 56 of the lifting arm 52, one end of the lifting arm 52 is provided with an engaging groove 57 adapted to the power plate 31, the lifting arm 52 provided in this embodiment is adapted to a lifting knife block provided to the door knife base plate, so that the lifting arm is lifted when the door is closed in place, the door knife is opened, the manual unlocking mechanism 6 comprises a pulling spring 61, a pulling cable 62 and an unlocking plate 63, the unlocking plate 63 is rotatably provided to the door knife base plate 1, one end of the pull spring 61 is fixed with the door vane bottom plate 1, the other end of the pull spring 61 is fixed with a connector of the pull cable 62, the unlocking plate 63 is fixed with the connector of one side of the pull cable 62, and the unlocking plate 63 is meshed with the third clamping groove of the hook lock arm 41.
In order to ensure the stable operation of the power plate 31 in this embodiment, the power shaft 37 is disposed in the first guide groove 38, the lifting arm 52 is provided with a lifting arm shaft 58, the lifting arm shaft 58 is slidably disposed in the second guide groove 59 of the door vane bottom plate 1, the second guide groove 59 is adapted to the rotation direction of the lifting arm shaft 58, the two sides of the first guide groove 38 are provided with the limit blocks 313, the limit blocks 313 are disc-shaped, and the two sides of the power plate 31 are provided with arc-shaped limit grooves 314 adapted to the limit blocks 313.
The working principle of the door knife linkage device 3 is as follows: the said door knife linkage 3 is set between the swing arm of the door knife and the hook lock arm 41 of the car door lock, when the door machine is locked, the hook lock arm contacts with the guiding inclined plane 45 of the hook lock frame, after operating for a period of time, it falls into the lock slot 46 of the hook lock plate, and at this moment, the lock pin 65 and the lock hole 66 are in the engaged state, so as to realize the locking of the door machine after closing the door, when the door machine is unlocked, the driving part of the door machine acts on the power shaft 37, so that the power shaft 37 drives the power plate 31 and the rotating arm 23 to swing left, the power plate 31 drives the first transmission shaft 32 and the second transmission shaft 33 to make the rotating arm 23 rotate counterclockwise to drive the left blade 21 and the right blade 22 to contract, because of the function of the pressing plate mechanism 5, the hook lock arm has the pretightening force of clockwise rotation and contacts with the arc section of the shifting plate 34, so that the shifting plate 34 receives a certain upward thrust, therefore, when the power plate 31 swings, the first transmission shaft 32 will not move from one end of the first waist hole 39 to the other end, and the same second transmission shaft 33 will not move from one end of the second waist hole 310 to the other end, and in the specific embodiment, the arc center of the arc section 44 coincides with the rotation center of the power plate 31, so as to ensure the movement track of the pick 34 and improve the stability of the movement, when there is no contact layer gate ball between the left blade 21 and the right blade 22, the rotation arm 23 continues to rotate, the arc section 44 of the latch hook wheel pick 34 provided by the latch hook arm rolls, because the movement track of the pick 34 is consistent with the movement track of the power plate 31 and no eccentricity occurs, at this time, the latch hook has no lifting action, when there is a contact layer gate ball between the left blade 21 and the right blade 22, at this time, the rotation arm 23 cannot continue to rotate, and the pick 34 sends an eccentric movement relative to the power plate 31, at this time, because the acting force of the power part of the door machine is larger, the pretightening force of the shifting piece 34 given by the hook lock arm is overcome, so that the shifting piece 34 presses the hook lock arm downwards to enable the hook lock arm to rotate clockwise, the hook lock arm 41 is lifted, and the separation and unlocking with the hook lock frame 43 are realized.
The implementation of 2:
based on the door vane linkage device 3 disclosed above, the present embodiment relates to a working method of a door vane with the door vane linkage device 3, the door vane linkage device 3 is arranged between a door vane swing arm and a hook lock arm 41 of a car door lock;
if the car is in the unlocking zone: when the left blade 21 and the right blade 22 are contracted to touch the landing door ball, the left blade 21 and the right blade 22 cannot be contracted continuously due to the resistance of the door ball, the power plate 31 continues to swing anticlockwise under the action of the door power, at the moment, the first transmission shaft 32 and the second transmission shaft 33 continue to move along the corresponding first waist hole 39 and the second waist hole 310 on the power plate 31, and the shifting piece 34 is driven to rotate anticlockwise at the same time.
If the car is outside the unlocking area, when the left blade 21 and the right blade 22 are contracted and do not touch landing door balls, the left blade 21 and the right blade 22 continue to contract without resistance, the power plate 31 continues to swing anticlockwise to limit under the action of the door power, at this time, the first force transmission shaft 32 and the second force transmission shaft 33 do not move along the corresponding first waist hole 39 and the second waist hole 39 on the power plate 31, the pull piece 34 and the lock hook wheel are normally matched with the lock hook to prevent the lock hook from lifting, at this time, the lock pin member 65 and the lock hole member 66 are in an engaged state, the whole door knife moves leftwards under the action of the door power, the lock hook contacts the moving plate 47, due to the action of the elastic member, the lock hook firmly hooks the moving plate 47 leftwards for a certain distance until the lock hook straight moving plate 47 and the wall surface of the lock groove 46 of the lock hook plate coincide to contact the door knife and cannot move leftwards, so that the car door lock cannot be unlocked outside the unlocking area of the car door lock hook locking area is realized, and the lock pin member 65 and the lock hole member 66 are in an engaged state in the motion process, the lock hook of the car door lock can not be unlocked outside the unlocking area.
If the cage is in the unlocking area, the door vane is in an opening state. When the door machine is electrified or powered off, a person takes the door in the car, because the central line of the main tension spring 35 is below the center of the shaft rotating arm 23, the left blade 21 and the right blade 22 of the door knife cannot contract, the locking hook contacts with the moving plate 47 as the car door is opened, the locking hook firmly hooks the moving plate 47 to move leftwards for a certain distance, the right blade 22 contacts with a layer door ball, the door ball continues to move under the resistance, the rotating arm 23 rotates clockwise under the action of the right blade 22, the power shaft 37 triggers and drives the shifting piece 34 to rotate anticlockwise, the shifting piece 34 is matched with the locking hook wheel to lift the locking hook, the locking pin piece 65 and the locking hole piece 66 are in a disconnected state, and normal unlocking of the car door locking hook is realized.
If the cage is in the unlocking area, the door vane is in an opening state. When the door machine is in an electrified or power-off state, a person opens the door outwards at the landing door, because the central line of the main tension spring 35 is below the shaft center of the shaft rotating arm 23, the left blade 21 and the right blade 22 of the door knife cannot contract, as the landing door is opened, a landing door ball contacts the left blade 21, the landing door continues to move under the resistance, the rotating arm 23 rotates clockwise under the action of the left blade 21, the power transmission shaft is driven to trigger and drive the shifting piece 34 to rotate counterclockwise, the shifting piece 34 is matched with the locking hook wheel to lift the locking hook, and the locking pin piece 65 and the locking hole piece 66 are in a disconnected state, so that the normal unlocking of the locking hook of the car door lock is realized.
If the cage is outside the unlocking area and in the rescue area, the door knife is in an opening state. Under the electrified or outage state of door machine, the people is after the layer door is opened to the layer door triangle key, and manual unblock wire rope is drawn downwards to the manual, holds manual unblock wire rope through manual drawing downwards and can make manual unblock plate 63 rotate, acts on simultaneously and on the hook lock arm, can go up the hook lock arm and lift up, and lock pin piece 65 and lockhole piece 66 are in the off-state, realize the normal unblock of sedan-chair door lock latch hook.
To sum up, the door knife linkage device related by the invention can realize the unlocking of the cage in the unlocking area by realizing the linkage of the door knife mechanism and the hook lock arm, is convenient for the opening of the landing door and the cage door, can realize the unlocking in the cage and outside the cage under the charged or power-off state of the door machine, can realize the locking when the cage is outside the unlocking area, prevents the landing door and the cage door or the landing door from being opened, simultaneously adopts the manual handle to unlock the steel wire rope to realize the unlocking under the charged or power-off state of the door machine, is convenient for rescuing the cage outside the unlocking area under the charged or power-off state of the door machine, combines the cage door lock function and the synchronous door knife direction, realizes the functions of the synchronous door knife and the cage door lock, also solves various defects caused by the contraction of the door knife when the power-off is caused by various reasons, and meets various requirements of the national standard on the opening of the cage door, the synchronous door vane of the car door lock has the advantages of reasonable structure, low failure rate, safety, reliability, low manufacturing cost and convenience in popularization.
The above description of the present invention is intended to be illustrative. Various modifications, additions and substitutions for the specific embodiments described may occur to those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (6)
1. A door knife linkage device is characterized in that: the door knife comprises a power plate, a shifting piece, a first transmission shaft and a second transmission shaft, wherein the power plate is provided with a first waist hole and a second waist hole, the shifting piece is provided with a third waist hole, one end of the first transmission shaft and one end of the second transmission shaft are both fixed on a door knife swing arm, the first waist hole is penetrated by the first transmission shaft, the second waist hole and the third waist hole are sequentially penetrated by the second transmission shaft, the first waist hole, the second waist hole and the third waist hole are in strip shapes, the power plate is hinged with a door knife bottom plate, the shifting piece is hinged with the power plate, the power plate is provided with a transmission shaft connected with a door knife driving mechanism, a hook lock arm of the door knife is provided with a pre-tightening force for driving the door knife to rotate anticlockwise, the hook lock arm has an outward transverse movement allowance after being spliced and locked with a hook lock frame matched with the hook lock arm, the hook lock arm is hinged with the door knife bottom plate, one end of the hook lock arm is contacted with the shifting piece to enable the shifting piece to give a pre-lifting force to the shifting piece, the hook lock arm is connected with the hook lock frame in an inserting mode through a lock pin piece and a lock hole piece in an inserting and matching mode, the lock hole piece is connected with the hook lock frame through an elastic part, the hook lock arm and the hook lock frame of the matching are enabled to have outward lateral movement allowance after being inserted and locked, the elastic part comprises a guide post, a reset spring and a ferrule, the guide post is transversely fixed on the hook lock frame, the reset spring is sleeved on the guide post, the ferrule is fixed with a moving plate and sleeved on the guide post, the reset spring pushes the ferrule to be far away from one side of a door knife, the moving plate rotates to be provided with a grooved wheel, and the grooved wheel is matched and arranged on a guide groove of the hook lock frame.
2. The door vane linkage assembly according to claim 1, wherein: one side of hook lock frame be provided with the direction inclined plane, one side of hook lock arm rotate and be provided with the roller bearing, roller bearing and direction inclined plane adaptation for roller bearing contact hook lock frame lifts up with direction inclined plane adaptation hook lock arm to it is spacing to fall into the opposite side locked groove of hook lock frame, hook lock arm give by clamp plate mechanism and order about its anticlockwise rotation's pretightning force, clamp plate mechanism include clamp plate, pressure spring frame fix on door sword bottom plate, the pressure spring cover establish on pressure spring frame, one end is fixed with the spacing position of pressure spring frame, the clamp plate slip cap is established at pressure spring frame and is fixed with the other end of pressure spring, the one end setting of clamp plate is on the first draw-in groove of hook lock arm, give hook lock arm outside thrust by pressure spring effect and make it have anticlockwise rotation's pretightning force.
3. The door vane linkage assembly according to claim 1, wherein: the inner side of the hook lock arm is rotatably provided with a hook lock wheel, the shifting piece is matched with the wheel surface of the hook lock wheel in a fitting manner, the matching position of the hook lock wheel and the shifting piece is a circular arc section, and the arc center of the circular arc section is coincided with the rotating circle center of the power plate.
4. The door vane linkage assembly according to claim 2, wherein: the door knife mechanism is also provided with a manual unlocking mechanism, the power plate is provided with a main tension spring, one end of the main tension spring is fixed with the power plate, the other end of the main tension spring is fixed with the door knife bottom plate, the hook lock arm is in a closed state position, the main tension spring is positioned below the hinge point of the power plate, the door knife bottom plate is rotatably provided with a lifting arm, the other end of the compression spring frame is arranged on the second clamping groove of the lifting arm, one end of the lifting arm is provided with an engaging groove matched with the power plate, the manual unlocking mechanism comprises a pull spring, a pull cable and an unlocking plate, the unlocking plate is rotatably arranged on the bottom plate of the door vane, the one end of drawing the spring fixed with the door sword bottom plate, the other end of drawing the spring is fixed with the connector of cable, the connector of unlocking board and one side and cable is fixed, the third draw-in groove meshing of unlocking board and hook lock arm.
5. A method of operating a door vane comprising a door vane linkage according to any one of claims 1 to 4, wherein: the door knife linkage device is arranged between the door knife swing arm and the hook lock arm of the car door lock;
if the car is now within the unlocked zone: when the left blade and the right blade contract to touch the landing door ball, the left blade and the right blade cannot continue to contract under the resistance of the door ball, the power plate continues to swing anticlockwise under the action of the force of the door machine, at the moment, the first transmission shaft and the second transmission shaft continue to move along the corresponding first waist hole and the second waist hole on the power plate and simultaneously drive the shifting piece to rotate anticlockwise, at the moment, after the left blade and the right blade clamp the landing door ball for limiting, the shifting piece rotates eccentrically, so that the shifting piece is matched with the locking hook wheel to lift the locking hook, at the moment, the locking hook contact and the auxiliary hook contact are in a disconnected state, and the normal unlocking of the locking hook of the car door lock in the unlocking area is realized;
if the lift car is outside the unlocking area, when the left blade and the right blade contract and do not touch the landing door ball, the left blade and the right blade continue to contract without resistance, the power plate continues to swing anticlockwise to limit under the action of the door machine force, the first force transmission shaft and the second force transmission shaft do not move along the corresponding first waist hole and second waist hole on the power plate, the shifting piece and the lock hook wheel are normally matched with the lock hook and do not lift, the lock pin piece and the lock hole piece are in an engaged state at the moment, the door blade integrally moves leftwards under the action of the door machine force, the lock hook contacts with the movable plate, and due to the action of the elastic component, after the lock hook firmly moves leftwards, the movable plate cannot move leftwards until the lock hook directly moves to be in contact with the wall surface of the lock groove of the lock hook plate, so that the lock cannot unlock outside the unlocking area of the lift car door lock is realized, and the lock hole piece is in an engaged state in the movement process, the lock hook of the car door lock can not be unlocked outside an unlocking area;
if the lift car is in an unlocking area at the moment, the door knife is in an open state, and the door machine is in a charged or power-off state, a person takes the door in the lift car, because the central line of the main tension spring is below the center of the shaft rotating arm, the left blade and the right blade of the door knife cannot contract, the lock hook is contacted with the moving plate when the lift car door is opened, the right blade is contacted with the layer door ball after the moving plate is firmly hooked by the lock hook and moves leftwards for a certain distance, the right blade continues to move under the resistance, the rotating arm rotates clockwise under the action of the right blade, the power shaft triggers the driving piece to rotate anticlockwise, the driving piece is matched with the lock hook wheel to lift the lock hook, the lock pin piece and the lock hole piece are in a disconnected state, and the normal unlocking of the lock hook of the lift car door lock is realized;
if the lift car is in an unlocking area at the moment, the door knife is in an open state, and a door machine is electrified or in a power-off state, a person opens the door outwards at the landing door, because the central line of the main tension spring is below the center of the shaft rotating arm, the left blade and the right blade of the door knife cannot contract, as the landing door is opened, the landing door ball contacts the left blade, the landing door continues to move under the resistance, the rotating arm rotates clockwise under the action of the left blade, the power transmission shaft is driven to trigger the shifting piece to rotate in the reverse direction, the shifting piece is matched with the lock hook wheel to lift the lock hook, the lock pin piece and the lock hole piece are in a disconnected state, and the normal unlocking of the lock hook of the lift car door lock is realized.
6. A method of operating a door vane comprising the door vane linkage of claim 5, wherein: the door knife linkage device is arranged between the door knife swing arm and the hook lock arm of the car door lock;
if the lift car is outside the unlocking area at the moment, and the door knife is in an opening state in a rescue area, and the door machine is in a charged or power-off state, a person manually pulls the manual unlocking steel wire rope downwards after the landing door is opened by the triangular key of the landing door, the manual unlocking steel wire rope is manually pulled downwards, the manual unlocking plate can be rotated by manually pulling the manual unlocking steel wire rope downwards, meanwhile, the hook locking arm can be lifted up when the manual unlocking steel wire rope is acted on the hook locking arm, the lock pin piece and the lock hole piece are in a disconnection state, and normal unlocking of the lock hook of the lift car door lock is realized.
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| CN202010670832.XA CN111717767B (en) | 2020-07-13 | 2020-07-13 | Door knife linkage device and working method of door knife formed by door knife linkage device |
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| CN202010670832.XA CN111717767B (en) | 2020-07-13 | 2020-07-13 | Door knife linkage device and working method of door knife formed by door knife linkage device |
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| CN111717767B true CN111717767B (en) | 2022-06-10 |
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| CN114084761B (en) * | 2021-10-08 | 2023-03-10 | 浙江智菱科技有限公司 | Door machine driven elevator anti-falling method and door machine linkage protection anti-falling elevator |
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Denomination of invention: A door knife linkage device and its working method for forming a door knife Effective date of registration: 20230920 Granted publication date: 20220610 Pledgee: China Construction Bank Corporation Wuyi Sub-branch Pledgor: Zhejiang Zhiling Technology Co.,Ltd. Registration number: Y2023980057608 |