CN106429702B - A kind of elevator and its dividing wall safety implementation method - Google Patents
A kind of elevator and its dividing wall safety implementation method Download PDFInfo
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- CN106429702B CN106429702B CN201611044304.3A CN201611044304A CN106429702B CN 106429702 B CN106429702 B CN 106429702B CN 201611044304 A CN201611044304 A CN 201611044304A CN 106429702 B CN106429702 B CN 106429702B
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- carriage
- elevator
- well
- wall construction
- air hole
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
- B66B11/0226—Constructional features, e.g. walls assembly, decorative panels, comfort equipment, thermal or sound insulation
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Abstract
The invention discloses a kind of elevator and its dividing wall safety implementation methods, the elevator includes: an isolation wall construction, it is set between the carriage and the balance weight, forms carriage well and balance weight well for being isolated, and form the vapour lock below the carriage in the carriage well；Distribution is provided with the air hole for controlling the cage descending vapour lock dynamics on the isolation wall construction.Elevator and its dividing wall safety implementation method provided by the present invention, due to using the air hole for wall construction being isolated and be arranged on isolation wall construction between carriage well and clump weight well, it realizes when rapidly dropping caused by control failure occurs in carriage, wall construction is isolated by being set between carriage and balance weight, formed precalculate control to carriage vapour lock, to slow down the decrease speed of carriage, control carriage is landed with safe speed, fundamentally improves the safety of elevator.
Description
Technical field
The present invention relates to a kind of elevator and its dividing wall safety implementation methods more particularly to a kind of elevator and utilization to match
The method that wall construction realizes safety is isolated between weight well and carriage well to improve.
Background technique
The presence of elevator brings great convenience to people's lives, especially towers in building, mine gradually deep the present
It, security performance is always people's important indicator of interest, it might even be possible to say it is most important index.Elevator is giving people
While bringing convenience, security risk can be also brought, especially with the extension of elevator service life, and safeguard
It is incapable not in time, and the carelessness of maintenance, the elevator accident frequently occurred on present society allow people to feel elevator accident
" eating " people is suddenly in tiger.
In order to reduce elevator accident bring injures and deaths event, many staff are pre-job to will receive that " elevator accident is saved oneself
The suchlike course of knowledge learning ", but this belongs to palliative method after all, is only capable of guidance learning and crosses in knowledge of saving oneself
A minority self saved when suffering from the elevator accident that manpower can save oneself, and when elevator accident occurs, is often uncontrolled
System.
Existing elevator generally include carrying carriage, drive carriage move up and down drag running wheel, for balancing carriage
Balance weight, that is, clump weight, and the buffer immediately below carriage on the ground is set.The carriage of the prior art and clump weight are usual
It is arranged in same elevator.Although the prior art is provided with buffer, but its effect be it is very little, still have every year a large amount of
Personnel because accident occurs for elevator faults, the reason is that because carriage occur accident for example hoist cable be broken in the case where, carriage
The excessive velocities of decline lead to the self-locking possible failure of stagnant speed variator on buffer and car walls, what buffer can play
Buffer function is very little, can not achieve the effect that in anticipation, or even the buffer in load-carrying excessively high carriage dramatic decrease
Damage directly may be rolled by the carriage of high-speed motion.It can thus be seen that existing elevator car safety cannot achieve from root
The appearance for preventing accident from damaging in sheet, and can not be fallen according to the decrease speed and load-carrying number of elevator in Lift out of order
It self-control and is protected when falling.
Therefore, the existing technology needs to be improved and developed.
Summary of the invention
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of elevator and its dividing wall application solutions
Method can fundamentally slow down carriage when elevator faults especially electric system and mechanical stagnant speed system are failed, so that
The speed decline for keeping carriage to operate normally usually, fundamentally improves the safety of elevator.
Technical scheme is as follows:
A kind of elevator is provided with the carriage for carrying passenger, is connect by flexible connecting member for band with the carriage
The running wheel of dragging that the carriage moves up and down is moved, and drags running wheel connection, the balance weight for balancing the carriage by described,
In, the elevator further include:
One isolation wall construction is set between the carriage and the balance weight, forms carriage well and balance for being isolated
Block well, and form in the carriage well vapour lock below the carriage；
Distribution is provided with for controlling the ventilative of cage descending vapour lock dynamics described in each interval on the isolation wall construction
Hole.
In preferred embodiment, the elevator, wherein be additionally provided in the carriage for as carriage load-bearing adjusts institute
State the sealing planker of spacing between carriage and the carriage borehole wall.
In preferred embodiment, the elevator, wherein the air hole is set as product shape and is staggered.
In preferred embodiment, the elevator, wherein a wedge-shaped pushing block, the pushing block are fixed in the carriage
The push wheel being fixedly mounted on the sealing planker with an axis matches, for adjusting the sealing according to the load-carrying of the carriage
The transverse shifting degree of planker, to adjust the gap between the carriage and the carriage borehole wall.
In preferred embodiment, the elevator is held sign and is, the setting of the rotation axis of the push wheel is from the sealing planker
On the vertical bar upwardly extended.
In preferred embodiment, the elevator, wherein the sealing planker is installed on a fixation mutually fixed with the carriage
On plate, and one first elastic component is provided in the fixed plate, when rising for floating bottom plate in the carriage described in drive
Planker is sealed to reset.
A kind of safety implementation method of any one of the as above elevator, wherein pass through and be distributed on the isolation wall construction
Air hole, which is realized, controls the cage descending vapour lock dynamics.
Elevator and its dividing wall safety implementation method provided by the present invention, due to using in carriage well and clump weight well
Between isolation wall construction and the air hole that is arranged on isolation wall construction, realize and occur caused by control failure in carriage
In the case of rapidly dropping, by the wall construction of being isolated being set between carriage and balance weight, formation precalculates each interval of control
To carriage vapour lock, to slow down the decrease speed of carriage, control carriage is landed with safe speed, fundamentally improves elevator
Safety.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of elevator preferred embodiment in the present invention.
Fig. 2 is the structural schematic diagram that wall construction preferred embodiment is isolated in the present invention.
Fig. 3 is the structural schematic diagram of elevator another preferred embodiment in the present invention.
Fig. 4 is the structural schematic diagram of diaphragm seal preferred embodiment in elevator in the present invention.
Fig. 5 is the structural schematic diagram of carriage in elevator preferred embodiment in the present invention.
Specific embodiment
The present invention provides a kind of elevator and its dividing wall safety implementation methods, to make the purpose of the present invention, technical solution
And effect is clearer, clear, referring to the drawings and gives an actual example that the present invention is described in more detail.It should be appreciated that herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of elevator preferred embodiment in the present invention, elevator provided by the present invention
Include: the carriage 100 being arranged for carrying passenger, is connect by flexible connecting member for driving the sedan-chair with the carriage 100
What compartment 100 moved up and down drag running wheel 200, and balance weight for balancing the carriage 100 is connect with the running wheel 200 of dragging
300, the isolation wall construction 400 being set between the carriage 100 and the balance weight 300, which will be original
Elevator part (lower section) be separated into carriage well and counterweight well, and be provided on the isolation wall construction by being pre-designed
The air hole 410 of distribution, and between carriage and carriage well setting have can by control adjusting size air gap (in certain implementations
In example, the air gap of fixed size also can be set or even be not provided with air gap to guarantee the spy of the sealing between the carriage and carriage well
Property), so as to control the carriage 100 after entering carriage well, vapour lock is formed from the bottom of the carriage 100, to prevent
The decline of carriage excess speed in free falling.
It is of the present invention to guarantee that the decrease speed of the carriage 100 in the event of a failure can be buffered to safe speed
The height that elevator device can be run according to elevator, the dead weight of elevator, to know the maximum machine of elevator on earth
Kinetic energy, while to consider to need the vapour lock ability by isolation wall construction and its air hole, design the depth of carriage well.It is described
The setting distribution mode of stomata can be designed using that can reach above-mentioned purpose as design object by simulated experiment, can also
Ensure the reasonability designed to verify by calculations incorporated actual experiment.In a specific embodiment of the invention, Ke Yishe
The mode thought includes that pore-size distribution from top to bottom can be different, can also use identical aperture, but distributed quantity is more down
It is less and less.
Air hole on isolation wall construction of the present invention had better not be set as the mode of layering, because will cause like that
Elevator decline process is trembled, and is on the one hand made the seating people in carriage uneasy, on the other hand may also be led to carriage because of trembling
Structure is damaged, such as is disintegrated, and may cause bigger accident casualty.
It is removable to be connected to 100 lower end of carriage in elevator of the present invention, it is additionally provided with for carriage
100 load-bearing conditions adjust the carriage 100 and the sealing planker 500 that spacing between wall construction 400 is isolated, specifically such as Fig. 5 institute
Show.
The side that balance weight, that is, clump weight of elevator in the prior art is arranged with well for the setting of the isolation wall construction 400
Formula, be changed to carriage well 600 described in isolated carriage well 600 and balance weight well 700(is set as crucial), such as Fig. 1 and Fig. 3 institute
Show；And the specific distribution mode of the air hole 410 is configured according to the mode for precalculating design.(because of every kind of elevator
Carriage specification, section, weight etc. is different)
The setting of the isolation wall construction can be very high, for example, with the much the same height of original elevator, but preferable scheme
Setting in lower part, though the setting of depth and air hole be sufficient to carriage that it falls from highest point still being capable of reduction of speed
To safe speed；Specifically, the air hole can be, but not limited to be arranged are as follows: be set to 7-8 layers of the isolation wall construction
Air hole below, for control the cage descending vapour lock so that its at four layers or less decrease speed to being not more than
1.905m/s；And be set to 4 layers of air hole below on the isolation wall construction, for control carriage lifting vapour lock with
Its travel speed at the end of 4 layers is set to be not more than 1m/s.Certainly the technology of the present invention design under the elevator in, it is described every
From the air hole set-up mode on wall construction obviously can there are many kinds of, as long as safety requirements can be reached: i.e. elevator car
Speed is slow enough when compartment reaches carriage bottom, even completely stopping.
In elevator of the present invention, the multiple air holes 410 being arranged on the isolation wall construction be can be set to
Product shape, as shown in Fig. 2, such set-up mode can guarantee that the carriage 100 can be more stable in decline, without as passing through
Cross such when several rows of hole, the vapour lock ability in several rows of hole, which is interrupted, to be increased, and leads to carriage excessively severe tremor, to elevator system
System be easy to cause serious damage, while will also result in serious fear to the passenger in carriage.
The carriage 100 drags normal running speed in gravisphere and meets national regulation in the general of running wheel 200 of dragging
Subject to, generally 1.75m/s, and lift appliance of the present invention isolation wall construction on according to the air hole for being pre-designed distribution
Afterwards, the size and distributed quantity of air hole can be set, so that when 100 dramatic decrease out of control of carriage bottom speed per hour can be reached
Degree, which is reduced to zero or is higher than regular descent speed, to be no more than subject to 10%, with volume safety.It in a preferred embodiment of the present invention, can be with
Be arranged but be not limited to, when carriage is drop to from 4 layer height of the bottom, the decrease speed of carriage 100 be no more than 1.75 meters/
S, maximum speed 1.905m/s, analogizes below, and 4 to 3 layers are that 1.31 meter per seconds are reduced to by 1.75 meter per seconds, 3 to 2 layers be then by
1.31 meter per seconds reduce to 0.87 meter per second, and 2 to 1 layers are then that 0.43 meter per second is reduced to by 0.87 meter per second, lowermost layer be then by 0.43 meter/
Second reduces to 0m/s.This slowing down in advance to reach stable speed to terminal that be also originally lift car regular descent, it is described every
It, can be by precalculating or testing repeatedly, in conjunction with the airtightness of carriage and carriage well from the air hole being arranged on wall construction
Cooperation, so that safety still may be implemented in the case where any other no resistance in the decline for realizing carriage.
In the embodiment of the present invention, the carriage 100 can be square type or cylindrical type, and drag running wheel 200 and balance weight 300
It is preferred that being connected by wirerope, the balance weight 300 is clump weight for balancing the carriage 100, and weight is generally carriage 100
Own wt adds the weight of its 50% maximum load.When the carriage 100 moves up and down, 300 opposite direction of balance weight is
Lower upper movement.The running wheel 200 of dragging is by wirerope pulling carriage 100, and the movement for dragging running wheel 200 then relies on and it
The motor of connection drives, and the control that drives upside down of carriage is the prior art in elevator technology, and details are not described herein.It should be noted that
, when the carriage is cylindrical type, place carriage well can be cylindrical type, and it is empty to form annular gas permeable with cylindrical type carriage
Between, the sealing planker carries out adaptability setting according to different situations.
One unidirectional distinguished and admirable valve 800 can also be set on the isolation wall construction 400, as shown in Fig. 2, its position can be set
Setting in the elevator, that is, carriage well bottom, i.e., it is lower than the carriage extreme lower position on the isolation wall construction 400
Lower section.The unidirectional distinguished and admirable valve 800 is really the unidirectional vent passages being arranged between carriage well and counterweight well, in the isolation
Air duct on wall construction can be set to one or two or more, and be opened to the side overthe openings of the carriage well in air duct
Be provided with a closing cap, the air duct can be closed by gravity and be open, especially carriage normally fall or failure freedom under
During falling, the closing cap should have certain thickness and intensity, to resist the maximum vapour lock punching when carriage falls
Power is hit, and guarantees to be punched through, to play the role of the vapour lock to carriage.And when the carriage rises, since carriage is to sedan-chair
Carriage well space below compartment will form certain negative pressure, be the reduction carriage jacking system because overcoming negative pressure due to surcharge function,
The closing cap can be opened because of negative pressure, with the draught head between rapid equalisation carriage well and counterweight well.
One seal assembly 490 can also be set on the air hole 410, as shown in figure 3, the seal assembly includes one
Diaphragm seal 440, as shown in figure 4, it forms the structure for covering the air hole 410, institute when the value that is under pressure is greater than preset value
It states diaphragm seal 440 to be normally rotatably kept open, only be worked by air hole 410；The branch of the diaphragm seal 440
Wall construction hinge can be isolated with described by the sliding connection block 461 being set on the diaphragm seal 440 and one end in support and closure
The rotation connecting rod 462 connect is completed, and the setting of sliding connection block 461 can be slided on the inside of the diaphragm seal 440, together
When, the hinged sliding connection block 461 of the other end of the rotation connecting rod 462.It can be set on the diaphragm seal 440
For the sliding slot or guide rail for 461 slide-and-guide of sliding connection block, when the carriage 100 or under sealing planker 500 rapidly
When air flow pressure brought by dropping is excessive, the clossing pressure of diaphragm seal 440 causes the sliding connection block 461 along the cunning
Slot or guide rail move up, described rotation 462 one end of connecting rod under the drive of the sliding connection block 461 with moving with it,
To change original opening degree, or even closure air hole.
The setting purpose of the above-mentioned diaphragm seal 440 of the present invention, is the carriage 100 when the carriage 100 is declined with normal speed
Or sealing planker 500 declines driven air pressure and diaphragm seal 440 is insufficient to allow to be closed, air is passed through by air hole 410
Between carriage well 600 and balance well 700.And in 100 dramatic decrease of carriage, carriage 100 or sealing planker 500
Outside is formed by air pressure of the air flow pressure by much larger than normal lifting when, the then gas for forcing diaphragm seal 440 to be subject to
It flowing motive force to drive, be posted by the isolation wall construction 400, diaphragm seal 440 directly covers the air hole 410, thus
The air outflow being further reduced under carriage 100 increases the air drag under carriage 100.
Lift appliance provided by the present invention is set to the carriage and described due to using above-mentioned isolation wall construction
Carriage well and balance weight well are formed between balance weight, for being isolated, and forms the gas below the carriage in the carriage well
Resistance；The air hole 410 for controlling the cage descending vapour lock is provided on the isolation wall construction；So that elevator is by tradition
Carriage and balance weight with well be partitioned into carriage well and balance weight well.
In further embodiment, the invention enables elevators can normally be discharged sedan-chair by air hole 410 when operating normally
Gas under compartment guarantees the normal lifting of carriage；And the setting in carriage dramatic decrease due to isolation wall construction is so that be in sedan-chair
Bulk gas below compartment has little time to be discharged by air hole 410, so that the elevator can fail in electric system, especially
It is in the case of carriage loses and rapidly drops caused by dragging running wheel constraint and other safety measure failures, by being set to carriage
Wall construction is isolated between balance weight, by the tightness between carriage well and carriage, by carriage lower air vapour lock,
Increase air drag under carriage and improves the safety of elevator to slow down and finally close to the speed of normal cage descending.
In elevator device of the present invention, further, it is additionally provided with a loading plate 120 in 100 bottom of carriage, such as
Shown in Fig. 5, opposite carriage can be moved up and down, depending on the load capacity in carriage；The sealing planker 500 is relatively described
Fixed plate 110 can transverse shifting, being fixed with a wedge shape pushing block 121(with the loading plate 120 can be fixed by connection guide,
So that the amount of load metamorphism is transferred to outside carriage out of carriage), the inclined-plane of the wedge shape pushing block 121 is arranged inwardly downward,
It is matched with the inclined-plane of the pushing block 121 and is provided with a push wheel 510, the rotation axis of the push wheel 510 is vertically set by a guide rod
It sets on the sealing planker 500, the sealing planker 500 relatively transverse can be movably disposed in a fixed plate 110,
It is provided with the second elastic component 650, between the fixed plate 110 and the loading plate 120 so as to according to the carrying weight in carriage
Amount adjusts the spacing between the fixed plate 110 and the loading plate 120, and the adjustment of the spacing passes through pushing block 121 and institute
The sealing planker 500 is pushed outwardly by the cooperation for stating push wheel 510.To guarantee that the pushing block 121 and the holding of push wheel 510 are matched
Conjunction state is provided with the first elastic component 640 between the sealing planker 500 and fixed plate 110.
When being carried when varying in weight in the carriage, such as when people is more, the carriage is together with the wedge-shaped pushing block 121
It can decline, the push wheel 510 can be pushed out by the inclined-plane on pushing block 121, to drive 500 phase of sealing planker
It should be displaced outwardly, so as to change the gap size between carriage and the carriage borehole wall, such as people is more when becomes smaller, to produce
Raw biggish vapour lock enables carriage to be decelerated to safe range when falling to provide carriage bigger vapour lock dynamics
It is interior.
To guarantee that the sealing planker 500 can reset in time, between the sealing planker 500 and fixed plate 110 also
It is provided with the first elastic component 640, as shown in Figure 5.
The present invention also provides a kind of safety implementation methods applied to elevator as described above, and wall construction is isolated by setting
400, elevator is divided into carriage well and counterweight well, and by between carriage and carriage well can controlled change gap in the way of
Change vapour lock suffered by carriage, can decelerate in safe range to carriage when encountering failure free falling.
Elevator and its dividing wall safety implementation method of the present invention loses in carriage and drags running wheel constraint and other serious events
In the case of barrier, wall construction can be isolated by being set between carriage and balance weight, by reducing isolation wall construction and carriage
Between gap by the vapour lock below carriage realize that the safety of carriage is fallen.
Dividing wall structure setting of the present invention between the carriage and the balance weight, for being isolated and forming carriage
Well and balance weight well, and the vapour lock below the carriage is formed in the carriage well, slow down to carriage；By described
Be provided on isolation wall construction for catering to the air hole for control the cage descending vapour lock so that elevator by traditional carriage and
Balance weight has been divided into carriage well and balance weight well with well.Further, so that elevator can pass through air hole when operating normally
Gas under discharge carriage required for normal discharge cage descending to every interval, guarantees the normal lifting of carriage；And encountering failure
When carriage dramatic decrease, since the setting of isolation wall construction is so that the large quantity of air below carriage forms the vapour lock to carriage
It resists, is designed by distribution to air hole, regularly its discharge measurement of control limited to the gas of carriage underground, it can be with
The speed for making carriage drop drops to stopping when setting reaches the bottom in safe range, so that the elevator can be accomplished more
Safety.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, such as ventilative hole shape or quantity etc., all these modifications and variations should all belong to
In the protection scope of appended claims of the present invention.
Claims (6)
1. a kind of elevator is provided with the carriage for carrying passenger, it is connect by flexible connecting member for driving with the carriage
What the carriage moved up and down drags running wheel, and drags running wheel connection, the balance weight for balancing the carriage, spy by described
Sign is, the elevator further include:
One isolation wall construction is set between the carriage and the balance weight, forms carriage well and balance weight well for being isolated,
And the vapour lock below the carriage is formed in the carriage well；
Distribution is provided with the air hole for controlling cage descending vapour lock dynamics described in each interval on the isolation wall construction；
The sealing for adjusting spacing between the carriage and the carriage borehole wall with carriage load-bearing is additionally provided in the carriage
Planker, the sealing planker are installed in the fixed plate that one mutually fixes with the carriage, and can opposing fixed plate transverse shifting；
A seal assembly is additionally provided on the air hole, the seal assembly includes a diaphragm seal, sliding connection block and rotation
The sliding slot or guide rail of the promising sliding connection block slide-and-guide, the sliding connection block are arranged on the diaphragm seal for connecting rod
It is moved along the sliding slot and guide rail, the hinged sliding connection block in rotation connecting rod one end, the hinged dividing wall knot in one end
Structure.
2. elevator according to claim 1, which is characterized in that the air hole is set as product shape and is staggered.
3. elevator according to claim 2, which is characterized in that a wedge-shaped pushing block is fixed in the carriage, it is described
Pushing block is matched with the push wheel that an axis is fixedly mounted on the sealing planker, for adjusting institute according to the load-carrying of the carriage
The transverse shifting degree of sealing planker is stated, to adjust the gap between the carriage and the carriage borehole wall.
4. elevator according to claim 3 is held sign and is, the rotation axis setting of the push wheel is from the sealing planker
On the vertical bar upwardly extended.
5. elevator according to claim 4, which is characterized in that be provided with one first elastic component in the fixed plate, be used for
Multiplying when loading capacity mitigates the rising of floating bottom plate in the carriage drives the sealing planker to reset.
6. a kind of safety implementation method of the elevator as described in any one of claim 1 to 5, which is characterized in that pass through the isolation
The air hole being distributed on wall construction, which is realized, controls the cage descending vapour lock dynamics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201611044304.3A CN106429702B (en) | 2016-11-24 | 2016-11-24 | A kind of elevator and its dividing wall safety implementation method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611044304.3A CN106429702B (en) | 2016-11-24 | 2016-11-24 | A kind of elevator and its dividing wall safety implementation method |
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| CN106429702B true CN106429702B (en) | 2018-12-14 |
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| CN112623653B (en) * | 2020-11-10 | 2022-07-08 | 东风汽车有限公司 | Steering mechanism for workpiece conveying |
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| JP2014065589A (en) * | 2012-09-26 | 2014-04-17 | Toshiba Corp | Elevator |
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|---|---|---|---|---|
| CN101249920A (en) * | 2008-04-11 | 2008-08-27 | 李轩 | Elevator automatic falling-proof series unit |
| CN102674104A (en) * | 2011-12-12 | 2012-09-19 | 杨茂亮 | Pressure safety device of elevator |
| CN202379556U (en) * | 2011-12-14 | 2012-08-15 | 东华大学 | Air-pressure type automatic safety protection device for lift |
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| CN106429702A (en) | 2017-02-22 |
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