CN107631873A - A kind of clamping testing stand for being used for 2 2.5t fork truck bridge box assemblies - Google Patents
A kind of clamping testing stand for being used for 2 2.5t fork truck bridge box assemblies Download PDFInfo
- Publication number
- CN107631873A CN107631873A CN201711071885.4A CN201711071885A CN107631873A CN 107631873 A CN107631873 A CN 107631873A CN 201711071885 A CN201711071885 A CN 201711071885A CN 107631873 A CN107631873 A CN 107631873A
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- Prior art keywords
- bearing
- fork truck
- clamping
- bridge box
- stand
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
Abstract
The present invention provides a kind of clamping testing stand for being used for 2 2.5t fork truck bridge box assemblies, including stand and the motor that is fixedly arranged on stand, the output shaft of the motor connects by power transmission shaft with bearing, and the other end of the bearing is by universal joint with being connected spline connection；Support is installed with the stand of the connection spline other end, the pedestal upper end face is installed with the support column and case shell pressing device of support and fixed bridge box assembly case shell；Parallel on the stand of motor opposite side to be installed with a pair of support bases, the support base upper surface is installed with the clamping device positioned to fork truck bridge box assembly.This testing stand adapts to the positioning of the fork truck bridge box assembly of different model, installation, and can realize Quick-clamped and release, and strong adaptability, cost are low.
Description
The application be for December 9 in 2015 identified patent applications number be " 201510915599.6 ", patent name for " one kind
The divisional application of clamping testing stand for fork truck bridge box assembly ".
Technical field
The invention belongs to four pivot electric forklift transmission parts testing fields, and in particular to one kind is used for 2-2.5t fork truck bridges
The clamping testing stand of box assembly.
Background technology：
With the development of auto industry, the level of vehicle manufacture industry is also improving constantly, and low noiseization also just becomes vehicle
One of important performance.The noise of vehicle drive system is only second to motor, therefore the noise for reducing transmission assembly is also vehicle drop
The part made an uproar.Due to the continuous improvement of gear drive work quality, the noise of transmission assembly turns into and intensity, tired longevity
One of life important indicator mutually arranged side by side with transfer efficiency.That is, the noise level of transmission assembly turns into gearbox quality
One of important symbol of quality.
And for current existing four pivot electric forklift, a gearbox and driving axis need to be developed（Abbreviation bridge case
Assembly）Detecting data be used for test the noise of gearbox and driving axis under high-speed cruising.The testing stand is used to give birth to
On-line checking in producing line, and energy quick despatch subject part is needed, to improve the testing efficiency of testing stand.Folder on testing stand
Tool frock can realize this function, because electronic four fulcrum forklift of different tonnages has the bridge box assembly of different structure, testing stand
Frock can easily switch over needs, meet different bridge box assembly experiment needs.So the testing stand must meet different folders
Tool frock quickly can switch over and be tested part can be promptly by the two requirements of clamping on test-bed.
The content of the invention
In order to solve above-mentioned problem, the present invention provides a kind of clamping for 2-2.5t fork truck bridge box assemblies and tested
Platform.
The technical scheme is that：A kind of clamping testing stand for fork truck bridge box assembly, including stand and be fixedly arranged on
Motor on stand, the output shaft of the motor are connected by power transmission shaft with bearing, and the other end of the bearing passes through universal joint
With being connected spline connection；Support is installed with the stand of the connection spline other end, the pedestal upper end face is installed with support
With the support column and case shell pressing device of fixed bridge box assembly case shell；It is parallel on the stand of motor opposite side to be installed with a pair
Support base, the support base upper surface are installed with the clamping device positioned to fork truck bridge box assembly.
Further scheme, the clamping device include the axle housing clamping that positioning and clamping is carried out to 2-2.5t fork truck bridges box assembly
Device or the bearing pin clamping device that positioning and clamping is carried out to 3-3.5t fork truck bridges box assembly.
Further scheme, the bearing pin clamping device are included for fixed bearing pin pedestal, the top of the bearing pin pedestal
End face is the groove being engaged with the bearing pin of 3-3.5t fork truck bridge box assemblies；The rear end of the bearing pin pedestal is connected with bearing, institute
State bearing and be provided with clamp system；The clamp system top is installed with handle, and the clamping head of clamp system front end passes through installation
Pin is connected with rebound, and the rebound front end sleeve is provided with movable ram, and movable ram was fixed in by locking nut
On cab apron.
The axle housing clamping device includes the bearing of the V-shaped opening of top end face, and the lid for the opening of falling V is provided with above the bearing
Plate, one end of the bearing and cover plate are flexibly connected by the first bearing pin, and the other end of the bearing connects provided with the second bearing pin,
The second bearing pin intermediate sleeve is provided with gib-headed bolt, and the other end of gib-headed bolt is connected into cover plate and bearing by band shoulder nut
One.
The inner side of the cover plate and bearing is installed with snubber block.
The case shell pressing device includes mounting seat, and the mounting seat is provided with clamping element, consolidated on the clamping element
Provided with handle, the front end of clamping element is connected with pressure head by U-clamp head, and the pressure head is fixed on U-clamp head by fixing nut
On；The U bolt groove for installation bolt is offered in the mounting seat.
The support includes bottom plate and top plate, offered on the top plate for installs case shell pressing device screwed hole and
At least two mounting holes for installing support column.
The support base includes bottom plate and top plate, and locating slot and screwed hole are offered on the top plate.
The testing stand of the present invention can be used for the electronic four pivot counterweight motor-drivens fork truck bridge box assemblies of 2-2.5t and 3-3.5t electronic four
The Set and Positioning of pivot counterweight motor-driven fork truck bridge box assembly, its raising middle flask shell pressing device and bearing pin clamping device or axle housing clamping device
It is fast fixture, energy quick-clamping is by test specimen.Axle housing clamping device and bearing pin clamping device all design for module, pass through support
Locating slot is offered on the top plate of seat and screwed hole carries out location and installation, it is convenient to change, and without adjustment, directly changes.
Motor, power transmission shaft, bearing, universal joint and connection spline are to link into an integrated entity to constitute input driving-chain, in them
Heart concentricity requirement is less than 0.05mm；For providing the power run by test specimen.
Support column is inserted into the mounting hole on support, can select different size of branch according to different fork truck bridge box assemblies
Dagger is inserted in corresponding mounting hole, the technique step surface for the case shell of stay fork vehicle bridge box assembly.In addition, case shell compresses dress
It is located at U bolt groove in the mounting seat put, the screwed hole on its top plate with support is corresponding, adjustable FCL shell pressing device
Installation site, the fork truck bridge box assembly different for Set and Positioning tested.
In addition, offering locating slot and screwed hole on the top plate of support base, fixed pin shaft clamping device or bridge are respectively used to
Shell clamping device, so as to realize the experiment of two kinds of different model fork truck bridge box assemblies of Set and Positioning.
The clamp system on clamping element and bearing pin clamping device in case shell pressing device is existing product purchased in market, and it is
A kind of quick-speed jigs of linkage, mainly make use of the self-lock mechanism of linkage to realize self-locking.During locking, pushed away by handle
Dynamic clamping element or clamp system, after being pushed into the dead point of mechanism, and linkage is under equilibrant force effect, does not have loosening
Phenomenon.And when absent-mindedness is by test specimen, pull clamping element or clamp system with handle, its raised together with pressure head and from fork truck bridge
Unclamped at the compression of box assembly.
Damping stock material on axle housing clamping device is brass, and its role is to can not only absorb a part because installing reason
And cause vibrations, and the contact area between fork truck bridge box assembly and axle housing clamping device can be reduced, so as to increase positioning accurate
Degree.Snubber block totally three, it is to be triangularly arranged on screw on cover plate and bearing respectively.
One end of bearing and cover plate in axle housing clamping device is flexibly connected by the first bearing pin, the other end passes through the second pin
Axle, gib-headed bolt and it is attached integrally with shoulder nut, centre is just being used on assembling fork vehicle bridge box assembly.When needing to dismantle
When, after unclamping band shoulder nut, gib-headed bolt is rotated around the second bearing pin and flipped out from the neck on cover plate, so that will
Cover plate separates with bearing, cover plate then is carried out into rotating separation around the first bearing pin, you can will be taken out or dismantled by test specimen.
So the invention has the advantages that：
1st, testing stand of the invention adapts to the positioning of the fork truck bridge box assembly of different model, installation；Strong adaptability, cost are low；
2nd, the case shell pressing device in this testing stand and bearing pin clamping device or axle housing clamping device can realize Quick-clamped
And unclamp, it is easy to operate；
3rd, this testing stand realizes clamping and is positioned at one, realizes function modoularization, is conveniently replaceable, adjusts.
Brief description of the drawings
The present invention is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the first structural representation of the invention；
Fig. 2 is second of structural representation of the invention；
Fig. 3 is raising middle flask shell pressing device structural representation of the present invention；
Fig. 4 is medium-height trestle structural representation of the present invention；
Fig. 5 is bearing pin clamping device structural representation in the present invention；
Fig. 6 is clamping support schematic diagram in the present invention；
Fig. 7 is intermediate axle shell clamping device structural representation of the present invention；
Fig. 8 is intermediate axle shell clamping device open mode figure of the present invention；
Fig. 9 is to be used to install 2-2.5t fork truck bridge box assembly schematic diagrames；
Figure 10 is to be used to install 3-3.5t fork truck bridge box assembly schematic diagrames.
In figure：1- motors 1,2- power transmission shafts, 3- bearings, 4- stands, 5- universal joints, 6- connection splines, 7- support columns, 8- casees
Shell pressing device, 9- supports, 10- bearing pin clamping devices, 11- support bases, 12-2-2.5t fork truck bridge box assemblies, 13- axle housing clampings
Device, 14-3-3.5t fork truck bridge box assemblies；
8-1 mounting seats, 8-2 U-clamp heads, 8-3 pressure heads, 8-4 fixing nuts, 8-5 handles, 8-6 clamping elements, 8-7U shape bolts
Groove；
9-1 top plates, 9-2 mounting holes, 9-3 screwed holes, 9-4 bottom plates；
10-1 movable rams, 10-2 locking nuts, 10-3 rebounds, 10-4 mounting pins, 10-5 clamping heads, 10-6 handles, 10-7
Clamp system, 10-8 bearings, 10-9 bearing pins pedestal, 10-10 grooves；
11-1 top plates, 11-2 screwed holes, 11-3 locating slots, 11-4 bottom plates；
13-1 cover plates, 13-2 snubber blocks, the bearing pins of 13-3 first, 13-4 bearings, the bearing pins of 13-5 second, 13-6 gib-headed bolts, 13-7
Band shoulder nut.
Embodiment
As shown in Figure 1, 2, a kind of clamping testing stand for fork truck bridge box assembly, including stand 4 and be fixedly arranged on stand 4
Motor 1, the output shaft of the motor 1 connected by power transmission shaft 2 and bearing 3, and the other end of the bearing 3 passes through universal joint 5
Connected with being connected spline 6；Support 9 is installed with the stand 4 of the connection other end of spline 6, the upper surface of support 9 is installed with
Support and the support column 7 and case shell pressing device 8 of fixed bridge box assembly case shell；It is parallel solid on the stand 4 of the opposite side of motor 1
Provided with a pair of support bases 11, the upper surface of support base 11 is installed with the clamping device positioned to fork truck bridge box assembly.
Further scheme, the clamping device include the axle housing clamping that positioning and clamping is carried out to 2-2.5t fork truck bridges box assembly
Device 13 or the bearing pin clamping device 10 that positioning and clamping is carried out to 3-3.5t fork truck bridges box assembly.
As shown in Figure 1,5, bearing pin clamping device 10 is included for fixed bearing pin pedestal 10-9, the bearing pin pedestal 10-9
Top end face be the groove 10-10 that is engaged with the bearing pin of 3-3.5t fork truck bridge box assemblies；The rear end of the bearing pin pedestal 10-9
It is connected with bearing 10-8, the bearing 10-8 and is provided with clamp system 10-7；The clamp system 10-7 tops are installed with handle
The clamping head 10-5 of 10-6, clamp system 10-7 front end is connected by mounting pin 10-4 with rebound 10-3, the rebound 10-
3 front end sleeves are provided with movable ram 10-1, and movable ram 10-1 is fixed on rebound 10-3 by locking nut 10-2.
As shown in Fig. 2,7,8, axle housing clamping device 13 includes the bearing 13-4, the bearing 13- of the V-shaped opening of top end face
One end that 4 tops are provided with the cover plate 13-1, the bearing 13-4 and cover plate 13-1 for the opening of falling V is connected by the first bearing pin 13-3 activities
Connect, the other end of the bearing 13-4 is provided with the second bearing pin 13-5 connections, and the second bearing pin 13-5 intermediate sleeves are provided with homalocephalus spiral shell
Bolt 13-6, gib-headed bolt the 13-6 other end are linked into an integrated entity cover plate 13-1 and bearing 13-4 by band shoulder nut 13-7.
Preferably, the inner side of the cover plate 13-1 and bearing 13-4 are installed with snubber block 13-2.
One end of bearing 13-4 and cover plate 13-1 in axle housing clamping device 13 are flexibly connected by the first bearing pin 13-3, are another
One end is attached integrally by the second bearing pin 13-5, gib-headed bolt 13-6 and with shoulder nut 13-7, and centre is just being used on peace
Fill fork truck bridge box assembly.When disassembly is desired, band shoulder nut 13-7 is first unclamped, by gib-headed bolt 13-6 around the second bearing pin 13-5
Rotate and flipped out from the neck on cover plate 13-1, so as to which cover plate 13-1 be separated with bearing 13-4, then by cover plate 13-
1 is rotated and is separated around the first bearing pin 13-3, then can will be taken out or be dismantled by test specimen.
As shown in figure 3, case shell pressing device 8 is provided with clamping element 8- including mounting seat 8-1, the mounting seat 8-1
Handle 8-5 is installed with 6, the clamping element 8-6, clamping element 8-6 front end is connected with pressure head 8-3, institute by U-clamp head 8-2
Pressure head 8-3 is stated to be fixed on U-clamp head 8-2 by fixing nut 8-4；Offered on the mounting seat 8-1 for installing spiral shell
The U bolt groove 8-7 of bolt.
As shown in figure 4, support 9 includes offering for installs case shell pressure on bottom plate 9-4 and top plate 9-1, the top plate 9-1
The screwed hole 9-3 and at least two of tight device 8 is used for the mounting hole 9-2 for installing support column 7.
U bolt groove 8-7 on the mounting seat 8-1 of case shell pressing device 8 and the screwed hole on the top plate 9-1 of support 9
9-3 is corresponding, the installation site of adjustable FCL shell pressing device 8, and the fork truck bridge box assembly different for Set and Positioning is tried
Test.In addition, support column 7 is inserted into the mounting hole 9-2 on support 9, can be selected according to different fork truck bridge box assemblies different big
Small support column 7 is inserted in corresponding installation 9-2 holes, the technique step surface for the case shell of stay fork vehicle bridge box assembly.
As shown in fig. 6, support base 11 includes offering locating slot on bottom plate 11-4 and top plate 11-1, the top plate 11-1
11-3 and screwed hole 11-2.Locating slot 11-3 and screwed hole 11-2 is respectively used to fixed pin shaft clamping device 10 and axle housing clamping dress
13 are put, so as to realize two kinds of different model fork truck bridge box assemblies of Set and Positioning.
As shown in figure 9, it is the schematic diagram for Set and Positioning 2-2.5t fork truck bridge box assemblies：First connection spline 6 is inserted
By the input of test specimen 2-2.5t fork truck bridges box assembly 12, then the axle housing setting circle of 2-2.5t fork truck bridge box assemblies is placed on
Between the bearing 13-4 and cover plate 13-1 of axle housing clamping device 13, tighten band shoulder nut 13-7 and enter bearing 13-4 and cover plate 13-1
Row is fixedly connected, so as to which the axle housing setting circle of bridge box assembly be fixed；The case casing tech step surface of bridge box assembly is put again
Put on support column 7, while with the compaction case casing tech step surface of case shell pressing device 8；Finally will connection spline 6 and universal joint 5
Between be connected with.
During experiment, open motor 1, power by by power transmission shaft 2 and bearing 3, universal joint 5 be connected spline 6 form it is defeated
Enter driving-chain to be passed to by the casing of test specimen, drive and rotated by test specimen, operating personnel, which can be listened with ear or be detected with noise instrument, to be tested
The noise of part, for judging by the quality of test specimen.
When off-test is dismantled, band shoulder nut 13-7 is first unclamped, by gib-headed bolt 13-6 around the second bearing pin 13-5
Rotate and flipped out from the neck on cover plate 13-1, so as to which cover plate 13-1 be separated with bearing 13-4, then by cover plate 13-
1 is rotated and is separated around the first bearing pin 13-3；Then clamping element is promoted by the handle 8-5 on case shell pressing device 8
On 8-6, unclamped so as to be raised together with pressure head 8-3 at the compression of fork truck bridge box assembly；Universal joint 5 finally dismantle with connecting
Connect the bolt between spline 6.It can then lift by crane by test specimen.
It is the schematic diagram for Set and Positioning 3-3.5t fork truck bridge box assemblies as shown in Figure 10：First by 3-3.5t fork truck bridge casees
The bearing pin of assembly 14 is placed in the groove 10-10 on bearing pin clamping device 10, driving handle 10-6, clamp system 10-7 is locked
Tightly, it drives a pair of movable ram 10-1 to compress the bearing pin of 3-3.5t fork truck bridges box assembly 14.Simultaneously by 3-3.5t fork truck bridges
The case casing tech step surface of box assembly 14 is placed on support column 7, and the compaction case casing tech step of control box shell pressing device 8
Face.
During experiment, open motor 1, power by by power transmission shaft 2 and bearing 3, universal joint 5 be connected spline 6 form it is defeated
Enter driving-chain to be passed to by the casing of test specimen, drive and rotated by test specimen, operating personnel, which can be listened with ear or be detected with noise instrument, to be tested
The noise of part, for judging by the quality of test specimen.
When off-test is dismantled, bearing pin clamping device 10 and case shell pressing device 8 are unclamped respectively, is then dismantled universal
Bolt between section 5 and connection spline 6.It can then lift by crane by test specimen.
Above example is not limited only to protection scope of the present invention, all to be repaiied based on basic thoughts of the invention
Change or what is changed belongs to protection scope of the present invention.
Claims (5)
1. a kind of clamping testing stand for 2-2.5t fork truck bridge box assemblies, including stand（4）Be fixedly arranged on stand（4）On electricity
Machine（1）, it is characterised in that：The motor（1）Output shaft pass through power transmission shaft（2）And bearing（3）Connection, the bearing（3）'s
The other end passes through universal joint（5）With being connected spline（6）Connection；Positioned at connection spline（6）The stand of the other end（4）On be installed with branch
Frame（9）, the support（9）Upper surface is installed with the support column of support and fixed bridge box assembly case shell（7）With case shell pressing device
（8）；Positioned at motor（1）The stand of opposite side（4）It is above parallel to be installed with a pair of support bases（11）, the support base（11）Upper surface
It is installed with the axle housing clamping device that positioning and clamping is carried out to 2-2.5t fork truck bridges box assembly（13）；The axle housing clamping device（13）
Include the bearing of the V-shaped opening of top end face（13-4）, the bearing（13-4）Top is provided with the cover plate for the opening of falling V（13-1）, institute
State bearing（13-4）And cover plate（13-1）One end pass through the first bearing pin（13-3）It is flexibly connected, the bearing（13-4）It is another
End is provided with the second bearing pin（13-5）Connection, second bearing pin（13-5）Intermediate sleeve is provided with gib-headed bolt（13-6）, gib-headed bolt
（13-6）The other end pass through band shoulder nut（13-7）By cover plate（13-1）And bearing（13-4）Link into an integrated entity.
A kind of 2. clamping testing stand for 2-2.5t fork truck bridge box assemblies according to claim 1, it is characterised in that：Institute
State cover plate（13-1）And bearing（13-4）Inner side be installed with snubber block（13-2）.
A kind of 3. clamping testing stand for 2-2.5t fork truck bridge box assemblies according to claim 1, it is characterised in that：Institute
State case shell pressing device（8）Including mounting seat（8-1）, the mounting seat（8-1）It is provided with clamping element（8-6）, the folder
Tight part（8-6）On be installed with handle（8-5）, clamping element（8-6）Front end pass through U-clamp head（8-2）It is connected with pressure head（8-3）,
The pressure head（8-3）Pass through fixing nut（8-4）It is fixed on U-clamp head（8-2）On；The mounting seat（8-1）On offer
U bolt groove for installation bolt（8-7）.
A kind of 4. clamping testing stand for 2-2.5t fork truck bridge box assemblies according to claim 1, it is characterised in that：Institute
State support（9）Including bottom plate（9-4）And top plate（9-1）, the top plate（9-1）On offer for installs case shell pressing device
（8）Screwed hole（9-3）It is used to support column be installed with least two（7）Mounting hole（9-2）.
A kind of 5. clamping testing stand for 2-2.5t fork truck bridge box assemblies according to claim 1, it is characterised in that：Institute
State support base（11）Including bottom plate（11-4）And top plate（11-1）, the top plate（11-1）On offer locating slot（11-3）And spiral shell
Pit（11-2）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071885.4A CN107631873B (en) | 2015-12-09 | 2015-12-09 | Clamping test bed for 2-2.5t forklift axle box assembly |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510915599.6A CN105403394B (en) | 2015-12-09 | 2015-12-09 | A kind of clamping testing stand for fork truck bridge box assembly |
| CN201711071885.4A CN107631873B (en) | 2015-12-09 | 2015-12-09 | Clamping test bed for 2-2.5t forklift axle box assembly |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915599.6A Division CN105403394B (en) | 2015-12-09 | 2015-12-09 | A kind of clamping testing stand for fork truck bridge box assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107631873A true CN107631873A (en) | 2018-01-26 |
| CN107631873B CN107631873B (en) | 2020-07-03 |
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ID=55469019
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711071885.4A Active CN107631873B (en) | 2015-12-09 | 2015-12-09 | Clamping test bed for 2-2.5t forklift axle box assembly |
| CN201510915599.6A Active CN105403394B (en) | 2015-12-09 | 2015-12-09 | A kind of clamping testing stand for fork truck bridge box assembly |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510915599.6A Active CN105403394B (en) | 2015-12-09 | 2015-12-09 | A kind of clamping testing stand for fork truck bridge box assembly |
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| CN (2) | CN107631873B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109540540A (en) * | 2018-11-09 | 2019-03-29 | 安徽合力股份有限公司 | A kind of the run-in test system and test method of electric traction railway carriage axle assembly |
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Also Published As
| Publication number | Publication date |
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| CN107631873B (en) | 2020-07-03 |
| CN105403394A (en) | 2016-03-16 |
| CN105403394B (en) | 2018-01-12 |
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