CN106218742B - The load-switch automobile and its application process built are bypassed for agriculture distribution line - Google Patents
The load-switch automobile and its application process built are bypassed for agriculture distribution line Download PDFInfo
- Publication number
- CN106218742B CN106218742B CN201610679891.7A CN201610679891A CN106218742B CN 106218742 B CN106218742 B CN 106218742B CN 201610679891 A CN201610679891 A CN 201610679891A CN 106218742 B CN106218742 B CN 106218742B
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- Prior art keywords
- load
- switch
- load switch
- seat
- support
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 240000002853 Nelumbo nucifera Species 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 3
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/06—Endless track vehicles with tracks without ground wheels
- B62D55/065—Multi-track vehicles, i.e. more than two tracks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The invention discloses a kind of load-switch automobile and its application process built for the bypass of agriculture distribution line, load-switch automobile includes crawler body and on-load switch, crawler body includes support frame, chassis power set and two crawler belts, the bottom of on-load switch is connected with walking mechanism, walking mechanism is connected with drive device, transition frame is connected with above support frame, transition frame includes longitudinal rail, drive device, which is fixed in transition frame, drives walking mechanism to be moved along longitudinal rail, and on-load switch can rotate around walking mechanism；On-load switch is also associated with supporting member, and the lower end of supporting member is fixed in transition frame by mounting seat, and the two ends of supporting member are hinged by mounting seat respectively, supporting member and on-load switch is rotated around hinged place.In use, making on-load switch moving back and forth the cooperation with supporting member and realize the upright and lying status of on-load switch along longitudinal rail by drive device, walking mechanism.
Description
Technical field
The present invention relates to a kind of agriculture distribution line, and in particular to a kind of to bypass the on-load switch built for agriculture distribution line
Car and its application method.
Background technology
As rural economy is developed rapidly and resident's household electrical appliance increase year by year, various circles of society are reliable to agriculture supplying power allocation
Property require more and more higher, the maintenance way of power grid enterprises " one draw a line, one stops a sheet of " can not meet rural electricity consumption need
Ask, livewire work also begins to progressively extend to agriculture distribution.But because agriculture distribution line multidigit is on mountain area, hills and rice field, road
Faciostenosis, has inconvenient traffic, and bypass operation cable car, aerial lift device with insulated arm etc. cannot be introduced into agriculture distribution work-yard so that conventional other
There is the problem of on-load switch hardly possible is carried and installs fixed when operation is carried out in agriculture distribution in road working system.
The content of the invention
It is an object of the invention to provide it is a kind of can automatic moving load-switch automobile and its application method, on-load switch exists
Che Shangke is upright and lies low, upright to ensure normally to use, the security lain low when ensureing mobile.
This load-switch automobile built for the bypass of agriculture distribution line that the present invention is provided, including crawler body and load
Switch, crawler body includes support frame, chassis power set and two crawler belts, and the bottom of on-load switch is connected with walking mechanism,
Walking mechanism, which is connected with above drive device, support frame, is connected with transition frame, and transition frame includes longitudinal rail, and drive device is solid
Due to driving walking mechanism to be moved along longitudinal rail in transition frame, on-load switch can rotate around walking mechanism；On-load switch also connects
Supporting member is connected to, the lower end of supporting member is fixed in transition frame by mounting seat, the two ends of supporting member pass through peace respectively
Dress seat is hinged, and supporting member and on-load switch is rotated around hinged place.
Some transverse directions that support frame as described above includes longitudinal support body of two crawler belts of support and two longitudinal support bodys are connected as a single entity
Buttress brace is connected between tie-beam, lateral connection beam.The setting of buttress brace can strengthen the stress-bearing capability of support frame.
The transition frame also includes the rectangle support body for supporting the longitudinal rail, and rectangle support body includes longitudinal support beam and company
The cross-brace beam between longitudinal support beam is connected to, the downside of longitudinal support beam is connected to the lateral connection beam by U-shaped frame
On.Realize that the installation of guide rail and the installation of on-load switch bottom are fixed by transition frame.
Longitudinal support body, lateral connection beam and rectangle support body and U-shaped frame are made using rectangular tube, the longitudinal rail
Using channel-section steel, two longitudinal rails are positioned opposite on the longitudinal support beam with opening.The use of section bar is ensureing stress performance
While reduce difficulty of processing.
The walking mechanism includes connecting seat, walking seat, roller and its wheel shaft, the upper end of connecting seat and the on-load switch
Bottom connection, lower end is connected on wheel shaft rotate around wheel shaft, two-wheeled axial symmetry is connected to the both sides of walking seat, and seat of walking has
Axial center hole, roller is located in the notch of the longitudinal rail.Walking mechanism is by T-nut seat by the rotary motion of screw mandrel
Walk around and turn to the linear motion of walking seat, seat drives roller to be moved along longitudinal rail by walking.
The connecting seat includes T-shaped plate and the U-shaped seat of its upper end, and the lower end of T-shaped plate is connected on the wheel shaft can be around wheel
Axle is rotated, upper end is connected by bolt with the bottom plate of U-shaped seat, and the openend of U-shaped seat is welded on the bottom plate of the on-load switch.
The lower end of T-shaped plate can rotate to ensure that on-load switch can realize lying status around wheel shaft.
The drive device includes reducing motor, screw mandrel and T-nut seat, and reducing motor and screw mandrel are horizontally disposed in described
On median plane between longitudinal rail, the output shaft of reducing motor is connected by shaft coupling with screw mandrel, and T-nut seat is connected to silk
On bar, the two ends of screw mandrel are connected on the lateral support beam by fixed seat.The aforementioned structure configuration of drive device is simple again
It can be linear motion by convert rotational motion, compact conformation is got well arrangement.
The walking seat is connected on the screw mandrel by its axial center hole, and its end and T-nut seat are removable
Unload and be connected as a single entity.Walking seat is driven to be moved along screw mandrel by T-nut seat, so as to realize the movement of roller.
The supporting member is the support bar that there is hinge hole at two ends respectively.
The bottom of the on-load switch is provided with support feet and plays scaffold.
The present invention enables on-load switch to keep lying low and directly by the cooperation of walking mechanism and drive device and supporting member
Vertical two states, are transported on-load switch to the correct position for building bypass by crawler body.Make to bear in vehicle moving process
Lotus switch is in lying status, and lower the center of gravity the stability improved in moving process, reaches after correct position, makes at on-load switch
It is operated in erectility.
The invention also discloses a kind of above-mentioned application method that the load-switch automobile built is bypassed for agriculture distribution line, bag
Include following steps：
（1）Romote-controlled driving device motion makes the lower end of on-load switch support structure along longitudinal rail toward remote by walking mechanism
Part end is moved, until on-load switch is in lying status；
（2）Select solution space remote control crawler body that load-switch automobile is moved into operating location according to site environment；
（3）Romote-controlled driving device motion makes the lower end of on-load switch support structure along longitudinal rail toward close by walking mechanism
Part end is moved, and supporting member is reversely rotated, until romote-controlled driving device stop motion when on-load switch is in erectility, support
Component is from lateral support on-load switch；
（4）Bypass cable is docked with the corresponding interface of on-load switch, makes on-load switch in running order；
（5）Bypass cable, repeat step are removed after the completion of operation（1）Operation；
（6）Remote control load-switch automobile exits operation field.
The operation principle of the present invention is as follows：Because supporting member and on-load switch can rotate around hinged place, so vehicle
Before movement, controllable drive device motion makes the lower end of on-load switch past away from supporting member along longitudinal rail by walking mechanism
End movement, until on-load switch is in lying status.Vehicle is moved to after correct position, and control drive device counter motion makes to bear
The lower end of lotus switch is moved by walking mechanism along longitudinal rail toward close to supporting member end, until on-load switch is in vertical
Romote-controlled driving device stop motion during state, finally works on-load switch and cable connection.Pan Lu is realized by on-load switch
Switching.
Brief description of the drawings
Fig. 1 is the main structure diagram of one embodiment of the invention.
Fig. 2 is Fig. 1 elevational schematic view.
Fig. 3 is Fig. 1 schematic top plan view.
Fig. 4 regards schematic diagram for Fig. 1 right side.
Fig. 5 is Fig. 1 left view schematic diagram.
Fig. 6 is the dimensional structure diagram of the present embodiment.
Embodiment
As shown in Figures 1 to 6, present embodiment discloses a kind of load-switch automobile built for the bypass of agriculture distribution line,
Including crawler body 1, on-load switch 2, walking mechanism 3, drive device 4, transition frame 5, supporting member 6.
Crawler body 1 includes two crawler belts 11, support frame 12 and chassis power set 13, the front and back end difference of support frame 12
There are crawler driving whell 14 and directive wheel 15, the upside of support frame 12 has carrier wheel 17, downside to have thrust wheel 16.
If support frame 12 includes longitudinal support body 121 of two crawler belts 11 of support and two longitudinal support bodys 121 is connected as a single entity
Buttress brace 123 is connected between dry lateral connection beam 122, lateral connection beam 122.The setting of buttress brace 123 can strengthen support frame
12 stress-bearing capability.
Transition frame 5 includes the rectangle support body of longitudinal rail 51 and supporting longitudinal rail 51, and rectangle support body includes longitudinal supporting
Beam 52 and the cross-brace beam 53 being connected between longitudinal support beam 52, the downside of longitudinal support beam 53 are connected by U-shaped frame 54
In on lateral connection beam 122.Realize that the installation of longitudinal rail 51 and the installation of the bottom of on-load switch 2 are fixed by transition frame 5.
Longitudinal support body 121, lateral connection beam 122, longitudinal support beam 52, cross-brace beam 53 and U-shaped frame 54 use square
Shape pipe makes, and longitudinal rail 51 uses channel-section steel, and two longitudinal rails 51 are positioned opposite on longitudinal support beam 52 with opening.Section bar
Difficulty of processing is reduced using while stress performance is ensured.
Drive device 4 includes reducing motor 41, screw mandrel 42 and T-nut seat 43, reducing motor 41 and the horizontal cloth of screw mandrel 42
It is placed on the median plane between longitudinal rail 51, the output shaft of reducing motor 41 is connected by shaft coupling with screw mandrel 42, T-nut
Seat 43 is connected on screw mandrel 42, and the two ends of screw mandrel 42 are connected on lateral support beam 53 by fixed seat 44.Before drive device
It by the convert rotational motion of screw mandrel can be again linear motion by nut seat to state structure configuration simple, compact conformation is got well arrangement.
Walking mechanism 3 includes connecting seat 31, walking seat 32, roller 33, roller shaft 34.
Connecting seat 31 includes T-shaped plate 311 and the U-shaped seat 312 of its upper end, and the lower end of T-shaped plate 311 is connected to roller shaft 34
Upper, upper end is connected by bolt with the bottom plate of U-shaped seat 312, and the openend of U-shaped seat 312 is welded on the bottom plate of on-load switch 2.T
The lower end of template 311 can rotate to ensure that on-load switch can realize lying status around roller shaft 34.
Two roller shafts 34 are symmetrically connected to the both sides of walking seat 32, and walking seat 32 has axial center hole, and roller 33 is located at vertical
In the notch of direction guiding rail 51.Walking seat 32 is connected on screw mandrel 42 by its axial center hole, and its end and T-nut seat 43 can
Dismounting is connected as a single entity.Walking seat 32 is driven to be moved along screw mandrel 42 by T-nut seat 43, so as to realize the movement of roller 33.I.e.
The rotary motion of screw mandrel 42 is walked around and turns to the linear motion of walking seat 32 by walking mechanism 3 by T-nut seat 43, passes through walking
Seat 32 drives roller 33 to be moved along longitudinal rail 51.
Supporting member 6 is the support bar that there is hinge hole at two ends respectively.
On-load switch 2 be configured with nuclear phase, powered instruction, self-inspection, misphase locking and alarm, ammeter, baroceptor etc.
Function.For the ease of placing and lifting installation, the bottom of on-load switch 2 is provided with support feet 21 and plays scaffold 22.
The operating procedure of the present embodiment is as follows：
（1）The reducing motor of romote-controlled driving device drives screw mandrel to rotate, and is transported the rotation of screw mandrel by nut seat
The dynamic linear motion for being converted into nut seat, nut seat drives the walking seat being integrally connected along screw mandrel toward away from supporting member end
Mobile, walking seat drives roller to be moved in the notch of longitudinal rail, until on-load switch is in lying status；
（2）Solution space remote control crawler body is selected to move load-switch automobile with being moved to operation according to site environment
Point；
（3）Romote-controlled driving device motion makes the lower end of on-load switch by the roller of walking mechanism along longitudinal rail toward close
Supporting member end is moved, and supporting member is reversely rotated, until romote-controlled driving device stops fortune when on-load switch is in erectility
Dynamic, supporting member is from lateral support on-load switch；
（4）Bypass cable is docked with the corresponding interface of on-load switch using fast insert-pull joint, on-load switch is in
Working condition；
（5）Bypass cable, repeat step are removed after the completion of operation（1）Operation；
（6）Remote control load-switch automobile exits operation field.
The present invention enables on-load switch to keep lying low and directly by the cooperation of walking mechanism and drive device and supporting member
Vertical two states, are transported on-load switch to the correct position for building bypass by crawler body.Make to bear in vehicle moving process
Lotus switch is in lying status, and lower the center of gravity the stability improved in moving process, reaches after correct position, makes at on-load switch
It is operated in erectility.
The operation principle of the present invention is as follows：Because supporting member and on-load switch can rotate around hinged place, so vehicle
Before movement, controllable drive device motion makes the lower end of on-load switch past away from supporting member along longitudinal rail by walking mechanism
End movement, until on-load switch is in lying status.It is moved to after correct position, control drive device counter motion opens load
The lower end of pass is moved by walking mechanism along longitudinal rail toward close to supporting member end, until when on-load switch is in erectility
Romote-controlled driving device stop motion, supporting member is from lateral support on-load switch.Finally on-load switch and cable connection are worked.
Pan Lu switching is realized by on-load switch.
Claims (10)
1. a kind of bypass the load-switch automobile built for agriculture distribution line, it is characterised in that：It includes crawler body and load
Switch, crawler body includes support frame, chassis power set and two crawler belts, and the bottom of on-load switch is connected with walking mechanism,
Walking mechanism, which is connected with above drive device, support frame, is connected with transition frame, and transition frame includes longitudinal rail, and drive device is solid
Due to driving walking mechanism to be moved along longitudinal rail in transition frame, on-load switch can rotate around walking mechanism；On-load switch also connects
Supporting member is connected to, the two ends of supporting member are hinged by mounting seat respectively, makes supporting member and on-load switch can be around being hinged
Place's rotation.
2. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 1, it is characterised in that：The support
Some lateral connection beams that frame includes longitudinal support body of two crawler belts of support and two longitudinal support bodys are connected as a single entity, lateral connection beam
Between be connected with buttress brace.
3. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 2, it is characterised in that：The transition
Frame also includes the rectangle support body for supporting the longitudinal rail, rectangle support body include longitudinal support beam and be connected to longitudinal support beam it
Between cross-brace beam, the downside of longitudinal support beam is connected on the lateral connection beam by U-shaped frame.
4. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 3, it is characterised in that：The longitudinal direction
Support body, lateral connection beam and rectangle support body and U-shaped frame are made using rectangular tube, and the longitudinal rail uses channel-section steel, two longitudinal directions
Guide rail is positioned opposite on the longitudinal support beam with opening.
5. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 4, it is characterised in that：The walking
Mechanism includes connecting seat, walking seat, roller and its wheel shaft, and the upper end of connecting seat is connected with the bottom of the on-load switch, lower end
Being connected on wheel shaft can rotate around wheel shaft, and two-wheeled axial symmetry is connected to the both sides of walking seat, and walking seat has axial center hole, roller
In the notch of the longitudinal rail.
6. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 5, it is characterised in that：The connection
Seat includes T-shaped plate and the U-shaped seat of its upper end, and the lower end of T-shaped plate, which is connected on the wheel shaft, to be rotated around wheel shaft, upper end passes through spiral shell
Bolt is connected with the bottom plate of U-shaped seat, and the openend of U-shaped seat is welded on the bottom plate of the on-load switch.
7. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 5, it is characterised in that：The driving
Device include reducing motor, screw mandrel and T-nut seat, reducing motor and screw mandrel it is horizontally disposed between the longitudinal rail in
On heart face, the output shaft of reducing motor is connected by shaft coupling with screw mandrel, and T-nut seat is connected on screw mandrel, the two ends of screw mandrel
It is connected to by fixed seat on the lateral support beam.
8. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 7, it is characterised in that：The walking
Seat is connected on the screw mandrel by its axial center hole, and its end and T-nut seat are detachably connected as a single entity.
9. bypass the load-switch automobile built for agriculture distribution line as claimed in claim 8, it is characterised in that：The support
Component is the support bar that there is hinge hole at two ends；The bottom of the on-load switch is provided with support feet and plays scaffold.
10. a kind of application process as claimed in claim 1 that the load-switch automobile built is bypassed for agriculture distribution line, including
Following steps：
（1）Romote-controlled driving device motion makes the lower end of on-load switch past away from supporting member end along longitudinal rail by walking mechanism
It is mobile, until on-load switch is in lying status；
（2）Select solution space remote control crawler body that load-switch automobile is moved into operating location according to site environment；
（3）Romote-controlled driving device motion makes the lower end of on-load switch past close to supporting member end along longitudinal rail by walking mechanism
Mobile, supporting member is reversely rotated, until romote-controlled driving device stop motion, supporting member when on-load switch is in erectility
From lateral support on-load switch；
（4）Bypass cable is docked with the corresponding interface of on-load switch, makes on-load switch in running order；
（5）Bypass cable, repeat step are removed after the completion of operation（1）Operation；
（6）Remote control load-switch automobile exits operation field.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679891.7A CN106218742B (en) | 2016-08-18 | 2016-08-18 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
| PCT/CN2017/097902 WO2018033123A1 (en) | 2016-08-18 | 2017-08-17 | Load switch vehicle utilized in constructing power distribution network diversion circuit for rural area, and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679891.7A CN106218742B (en) | 2016-08-18 | 2016-08-18 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106218742A CN106218742A (en) | 2016-12-14 |
| CN106218742B true CN106218742B (en) | 2017-08-11 |
Family
ID=57553029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610679891.7A Active CN106218742B (en) | 2016-08-18 | 2016-08-18 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106218742B (en) |
| WO (1) | WO2018033123A1 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106218742B (en) * | 2016-08-18 | 2017-08-11 | 国网湖南省电力公司带电作业中心 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
| CN107804382B (en) * | 2017-11-27 | 2024-04-16 | 陕西宝鸡专用汽车有限公司 | Vehicle chassis capable of surmounting obstacle |
| CN109301750B (en) * | 2018-10-19 | 2024-01-26 | 国网河南省电力公司新安县供电公司 | 10KV distribution line corridor electrified cleaning equipment |
| CN109533053A (en) * | 2018-12-29 | 2019-03-29 | 北京史河科技有限公司 | Clear up robot |
| CN110112026A (en) * | 2019-05-20 | 2019-08-09 | 云南电网有限责任公司红河供电局 | A kind of self-propelled bypass load-switch |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5373909A (en) * | 1993-10-26 | 1994-12-20 | Byron Enterprises, Inc. | Tracked vehicles and power drive apparatus for motivating tracked vehicles |
| DE102005060633A1 (en) * | 2005-12-13 | 2007-06-14 | Siemens Ag | Switch-disconnector for an enclosed switchgear |
| US7654348B2 (en) * | 2006-10-06 | 2010-02-02 | Irobot Corporation | Maneuvering robotic vehicles having a positionable sensor head |
| CN201181272Y (en) * | 2008-04-18 | 2009-01-14 | 华南理工大学 | Rubber cutting-resistant performance test equipment |
| CN201607194U (en) * | 2010-01-12 | 2010-10-13 | 宝山钢铁股份有限公司 | Wear detector for engineering machinery |
| CN203800474U (en) * | 2014-02-21 | 2014-08-27 | 国网湖南省电力公司带电作业中心 | Electric mobile platform used for 10kV power distribution line bypass operation |
| CN104477263A (en) * | 2014-11-28 | 2015-04-01 | 重庆华世丹机械制造有限公司 | Manual tipping-bucket transfer vehicle |
| CN205034201U (en) * | 2015-10-23 | 2016-02-17 | 山东科技大学 | Semi -automatic construction of pay -off appearance |
| CN205344656U (en) * | 2016-03-02 | 2016-06-29 | 武汉里得电力科技股份有限公司 | Formula the bypass switch car can shift out |
| CN106218742B (en) * | 2016-08-18 | 2017-08-11 | 国网湖南省电力公司带电作业中心 | The load-switch automobile and its application process built are bypassed for agriculture distribution line |
| CN205872224U (en) * | 2016-08-18 | 2017-01-11 | 国网湖南省电力公司带电作业中心 | Load switch car suitable for farming is joined in marriage wayside way of net twine and is built |
-
2016
- 2016-08-18 CN CN201610679891.7A patent/CN106218742B/en active Active
-
2017
- 2017-08-17 WO PCT/CN2017/097902 patent/WO2018033123A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018033123A1 (en) | 2018-02-22 |
| CN106218742A (en) | 2016-12-14 |
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