CN105191564A - Smashing type lawn mower - Google Patents

Smashing type lawn mower Download PDF

Info

Publication number
CN105191564A
CN105191564A CN201510708789.0A CN201510708789A CN105191564A CN 105191564 A CN105191564 A CN 105191564A CN 201510708789 A CN201510708789 A CN 201510708789A CN 105191564 A CN105191564 A CN 105191564A
Authority
CN
China
Prior art keywords
storehouse
power supply
mowing
functional warehouse
bin
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.)
Pending
Application number
CN201510708789.0A
Other languages
Chinese (zh)
Inventor
董炜铭
金士正
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Supoman Intelligent Technology Co Ltd
Original Assignee
Hangzhou Supoman Intelligent Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hangzhou Supoman Intelligent Technology Co Ltd filed Critical Hangzhou Supoman Intelligent Technology Co Ltd
Priority to CN201510708789.0A priority Critical patent/CN105191564A/en
Publication of CN105191564A publication Critical patent/CN105191564A/en
Pending legal-status Critical Current

Links

Abstract

The invention relates to a smashing type lawn mower which comprises a vehicle body bottom casing, a bin cover, rear walking wheels, front universal walking wheels, a power supply, a smashing mowing mechanism and a main controller, wherein the vehicle body bottom casing is covered with the bin cover, a control bin, a function bin and a power supply bin are arranged in the vehicle body bottom casing, the function bin is arranged between the control bin and the power supply bin, the smashing mowing mechanism comprises mowing motors, cutter discs and a plurality of mowing blades, at least one group of mowing motors are arranged in the function bin, transmission through holes are formed in the lower bin wall of the function bin, power output ends of the mowing motors face downwards and are in transmission connection with the cutter disc centers arranged on the lower side of the vehicle body bottom casing through the transmission holes, mowing blades are connected with the radial peripheries of the cutter discs, the power supply is arranged in the power supply bin, and the main controller is arranged in the control bin. Two rear walking wheels are arranged on the outside of the vehicle body bottom casing and on two sides of the power supply bin, two front universal walking wheels are connected to the lower parts of two sides of the control bin, and the two rear walking wheels comprise walking motors.

Description

Crush type mower
Technical field
The present invention relates to a kind of mower, particularly a kind of crush type mower.
Background technology
Traditional mower is that underbelly installs scroll wheel mostly, at fuselage afterbody, handspike and grass bits collecting bag are installed, by artificial promote to advance to mow or backpack is mowed, cuts off grass bits and manually regather, mowing power is mostly gasoline engine, energy consumption is high, pollution is heavy, noise is large.The power-operated mower of prior art, intelligent electric mower, mowing can not synchronously be pulverized, grass bits need on rear side of mower or below arrange grass bits collecting bag, not only increase the energy consumption of deadweight and the resistance that moves ahead, but also the grass bits inspiration grass bits collecting bag that mechanical facility will be cut off need be adopted, and increase a large amount of energy consumption; Or manually regather, add human cost.Further, fence and navigation system are share, and robot is homeward need take a round along hedge wire-wound lawn, increases homeward difficulty, are difficult to walk out rotary island when meeting rotary island wiring; Keep away barrier anti-collision structure unreasonable, be easily stuck inefficacy.In a word, a variety of causes causes existing mower high energy consumption, heavily contaminated, security protection is poor, operating efficiency is very low.
Summary of the invention
Object of the present invention is exactly in order to avoid the problem in background technology, provides a kind of crush type mower.
For achieving the above object, the present invention adopts following technical scheme: a kind of crush type mower, comprises car body drain pan, Cang Gai, walking trailing wheel, universal walking front-wheel, power supply, grinding mower structure, master controller, car body drain pan is covered with Cang Gai, is provided with and controls storehouse in car body drain pan, functional warehouse, power supply storehouse, described functional warehouse is placed in and controls between storehouse and power supply storehouse, and described grinding mower structure comprises mowing motor, cutterhead, some mowing blades, at least one group of mowing motor is placed in functional warehouse, under functional warehouse, bulkhead is provided with the transmission through hole corresponding with each mowing motor, the clutch end of each mowing motor down and be in transmission connection by transmission through hole and the cutter head center be arranged on the downside of the outer functional warehouse of car body drain pan, the radial direction week side of cutterhead is connected with mowing blade, in the power supply storehouse that described power supply is placed in, described master controller is placed in and controls in storehouse, two walking trailing wheels are placed in outside the both sides in the outer power supply storehouse of car body drain pan, two universal walking front-wheels are connected to two side lower parts controlling storehouse, two walking trailing wheels comprise the movable motor impelling walking rear wheel, and described power supply is powered and is electrically connected on movable motor, master controller, mowing motor.
One of the present invention is optimized, height adjustment bracket is provided with in functional warehouse, height adjustment bracket is formed by rotating screwed pipe and being distributed in the mowing motor link rotating screwed pipe week side, described each mowing motor is all connected with mowing motor link, rotate screwed pipe radial outside and be provided with the external spiral ordering about and guide mowing motor link up-down adjustment position, storehouse on the upside of functional warehouse covers and offers port, and the upper end of described rotation screwed pipe is connected with the interlock knob being arranged at storehouse and covering side through port.
Optimize for one of the present invention, be provided with centralized positioning convex edge or shrinkage pool bottom functional warehouse, the lower end of described rotation screwed pipe is positioned at centralized positioning convex edge or shrinkage pool.
One of the present invention is optimized, two groups of mowing motors are provided with in described functional warehouse, the lower wall of functional warehouse is provided with two connection for transmission through holes, and described transmission through hole is distributed on the left of bulkhead and right side under functional warehouse respectively, be provided with two panels cutterhead outside side body drain pan under functional warehouse, and two panels cutterhead is all relative and non-interference with two transmission through hole centers.
Optimize for one of the present invention, the storehouse on the upside of described power supply storehouse covers the control button, the display screen that are provided with and connect with master controller.
One of the present invention is optimized, control storehouse on the upside of storehouse cover be provided with connect with master controller raise sensor.
One of the present invention is optimized, controls to be provided with the crash sensor connected with master controller on front side of storehouse.
Optimize for one of the present invention, the storehouse side of covering is covered with fixed protection lid, and fixed protection covers above functional warehouse, power supply storehouse and offers openable movable protective lid.
One of the present invention is optimized, movable protective lid one side is hinged by rotating shaft with the upside controlling storehouse, on the upside of its another side and power storehouse, storehouse cover buckle connects, and be provided with electrode slice with power storehouse snapping place, the side of corresponding movable protective lid is provided with conducting sheet, after electrode slice and conducting oblique cut grafting all with master controller and or power supply formation control loop.
One of the present invention is optimized, on the downside of the outer functional warehouse of car body drain pan, both sides outer rim is provided with grass bits stop deck, under car body drain pan, both sides grass bits stop before and after deck penetrating, at both sides grass bits, described cutterhead all stops that between deck, mowing blade stationary plane is lower than cutterhead lower surface.
The present invention compared with prior art, has following beneficial effect:
A) mowing blade stationary plane is lower than cutterhead lower surface, grass bits blade more fully being contacted wave, increases the probability repeating to cut, and improves crushing effect;
B) security performance is more reliable, the top perimeter of the comprehensive covering body in security protection deck of grass-removing robot and four sides, and can effectively detect identification by crash sensor when running into barrier, difference barrier direction, reasonable automatic barrier of keeping away; When being mentioned by people or raising, detect by raising sensor and send signal to control assembly, assigning hard stop instruction, guaranteeing people, storing and inherently safe; Security protection deck is installed and is adopted inverted pendulum principle, also can not be stuck and cause robot misjudgment phenomenon generation;
C) when mowing driven by motor mowing cutterhead, when rotating mowing with 2000-6000 rotating speed per minute, produce centrifugal flow, the sidewall stopping deck is stopped air-flow, and grass bits are not directly trickled down to surrounding, along with air-flow drifts about in the little space of pulverizing cutting cover limitation, be in completely in the effective working region of mowing blade, reach the cutting repeatedly that mowing blade is considered to be worth doing grass, grass-removing robot is mowed and synchronously grass bits is ground into thin Hairdressing-salon shape, trickle down between the root gap to lawn, reach and exempt from collecting effect; Eliminate and install grass bits collecting bag additional and absorb grass bits device, alleviate robot self and bear a heavy burden, reduce energy consumption and consumables cost, also eliminate the power consumption that machinery absorbs grass bits simultaneously, save energy consumption and reach about 50%;
D) the design power supply used in combination of solar electrical energy generation and civil power can be adopted, facilitate different occasion to use, economize energy;
E) automatic intelligent is mowed, and mows without the need to manual intervention, without the need to artificially collecting grass bits, saves cost of labor;
Accompanying drawing explanation
Fig. 1 is the perspective view of crush type mower.
Fig. 2 be crush type mower look up perspective view.
Fig. 3 is the interior schematic diagram after crush type mower removal Cang Gai, fixed protection lid.
Fig. 4 is the assembling schematic diagram of grinding mower structure, height adjustment bracket in crush type mower functional warehouse.
Fig. 5 is the connection diagram that crush type mowing cabin covers fixed protection lid and movable protective lid.
1 universal walking front-wheel, 2 power supplies, 3 car body drain pans, 4 walking trailing wheels, 5 functional warehouses, 6 power supply storehouses, 7 mowing motors, 8 mowing blades, 9 cutterheads, 10 transmission through holes, 11 control storehouse, 111 master controllers, 12 movable motors, 13 Cang Gai, 131 display screens, 132 control button, 133 crash sensors, 134 raise sensor, 14 grass bits stop deck, 15 mowing motor links, 16 rotate screwed pipe, 161 external spirals, 17 height adjustment bracket, 18 interlock knobs, 19 fixed protection lids, 20 movable protective lids, 21 electrode slices, 22 conducting sheets
Embodiment
Embodiment 1: with reference to Fig. 1-5.A kind of crush type mower, comprise car body drain pan 3, storehouse lid 13, walking trailing wheel 4, universal walking front-wheel 1, power supply 2, grinding mower structure, master controller 100, car body drain pan 3 is covered with Cang Gai, be provided with in car body drain pan 3 and control storehouse 11, functional warehouse 5, power supply storehouse 6, described functional warehouse 5 is placed in and controls between storehouse 11 and power supply storehouse 6, described grinding mower structure comprises mowing motor 7, cutterhead 9, some mowing blades 8, at least one group of mowing motor 7 is placed in functional warehouse 5, functional warehouse 5 times bulkheads are provided with the transmission through hole 10 corresponding with each mowing motor 7, the clutch end of each mowing motor 7 down and be connected with cutterhead 9 center driving be arranged on the downside of the outer functional warehouse 5 of car body drain pan 3 by transmission through hole 10, the radial direction week side of cutterhead 9 is connected with mowing blade 8, in the power supply storehouse 6 that described power supply 2 is placed in, described master controller 100 is placed in and controls in storehouse 11, two walking trailing wheels 4 are placed in outside the both sides in the outer power supply storehouse 6 of car body drain pan 3, two universal walking front-wheels 1 are connected to two side lower parts controlling storehouse 11, two walking trailing wheels 4 comprise the movable motor 12 impelling walking rear wheel, described power supply 2 is electrically connected on movable motor 12, master controller 100, mowing motor 7.
Embodiment 2: with reference to Fig. 1, Fig. 5.Storehouse lid 13 on the upside of described power supply storehouse 6 is provided with the control button 132, the display screen 131 that connect with master controller.Control storehouse lid 13 on the upside of storehouse 11 be provided with connect with master controller 100 raise sensor 134.Control to be provided with the crash sensor 133 connected with master controller 100 on front side of storehouse 11.
Embodiment 3: with reference to Fig. 1-3.On the downside of the outer functional warehouse 5 of car body drain pan 3, both sides outer rim is provided with grass bits stop deck 14, and car body drain pan 3 times both sides grass bits stop before and after deck 14 penetrating, and described cutterhead 9 is all considered to be worth doing at both sides grass and stopped that between deck 14, mowing blade 8 stationary plane is lower than cutterhead 9 lower surface.
Embodiment 4: with reference to Fig. 3, Fig. 4.Height adjustment bracket 17 is provided with in functional warehouse 5, height adjustment bracket 17 is formed by rotating screwed pipe 16 and being distributed in the mowing motor link 15 rotating screwed pipe 16 weeks sides, described each mowing motor 7 is all connected with mowing motor link 15, rotate screwed pipe 16 radial outside and be provided with the external spiral 161 ordering about and guide mowing motor link up-down adjustment position, storehouse lid 13 on the upside of functional warehouse 5 offers port, the upper end of described rotation screwed pipe 16 through port be arranged at the interlock knob 18 covered on the upside of in the of 13 in storehouse and be connected.Be provided with centralized positioning convex edge or shrinkage pool 111 bottom functional warehouse 5, the lower end of described rotation screwed pipe 16 is positioned at centralized positioning convex edge or shrinkage pool 111.
Embodiment 5: with reference to Fig. 1-4.Two groups of mowing motors 7 are provided with in described functional warehouse 5, the lower wall of functional warehouse 5 is provided with two connection for transmission through holes 10, and described transmission through hole 10 is distributed on the left of functional warehouse 5 times bulkheads and right side respectively, be provided with two panels cutterhead 9 outside functional warehouse 5 times side body drain pans, and two panels cutterhead 9 is all relative and non-interference with two transmission through hole 10 centers.
Embodiment 6: with reference to Fig. 1, Fig. 5.Be covered with fixed protection lid 19 above storehouse lid 13, in the middle part of fixed protection lid 19, above functional warehouse 5, power supply storehouse 6, offer openable movable protective lid 20.Movable protective lid 20 1 side is hinged by rotating shaft with the upside controlling storehouse 11, on the upside of its another side and power storehouse 6,13 snappings are covered in storehouse, and cover 13 snapping places with storehouse and be provided with electrode slice 21, the side of corresponding movable protective lid 20 is provided with conducting sheet 22, electrode slice 21 and conducting sheet 22 overlap rear all with master controller 111 with or power supply 2 formation control loop.
It is to be understood that: although the present embodiment to be contrasted detailed description to the present invention; but these explanations; just to simple declaration of the present invention instead of limitation of the present invention, any innovation and creation do not exceeded in connotation of the present invention, all fall within the scope of protection of the present invention.

Claims (10)

1. a crush type mower, is characterized in that comprising car body drain pan, Cang Gai, walking trailing wheel, universal walking front-wheel, power supply, grinding mower structure, master controller, car body drain pan is covered with Cang Gai, is provided with and controls storehouse in car body drain pan, functional warehouse, power supply storehouse, described functional warehouse is placed in and controls between storehouse and power supply storehouse, and described grinding mower structure comprises mowing motor, cutterhead, some mowing blades, at least one group of mowing motor is placed in functional warehouse, under functional warehouse, bulkhead is provided with the transmission through hole corresponding with each mowing motor, the clutch end of each mowing motor down and be in transmission connection by transmission through hole and the cutter head center be arranged on the downside of the outer functional warehouse of car body drain pan, the radial direction week side of cutterhead is connected with mowing blade, in the power supply storehouse that described power supply is placed in, described master controller is placed in and controls in storehouse, two walking trailing wheels are placed in outside the both sides in the outer power supply storehouse of car body drain pan, two universal walking front-wheels are connected to two side lower parts controlling storehouse, two walking trailing wheels comprise the movable motor impelling walking rear wheel, and described power supply is powered and is electrically connected on movable motor, master controller, mowing motor.
2. crush type mower according to claim 1, it is characterized in that: in functional warehouse, be provided with height adjustment bracket, height adjustment bracket is formed by rotating screwed pipe and being distributed in the mowing motor link rotating screwed pipe week side, described each mowing motor is all connected with mowing motor link, rotate screwed pipe radial outside and be provided with the external spiral ordering about and guide mowing motor link up-down adjustment position, storehouse on the upside of functional warehouse covers and offers port, and the upper end of described rotation screwed pipe is connected with the interlock knob being arranged at storehouse and covering side through port.
3. crush type mower according to claim 2, is characterized in that: be provided with centralized positioning convex edge or shrinkage pool bottom functional warehouse, the lower end of described rotation screwed pipe is positioned at centralized positioning convex edge or shrinkage pool.
4. crush type mower according to claim 1, it is characterized in that: in described functional warehouse, be provided with two groups of mowing motors, the lower wall of functional warehouse is provided with two connection for transmission through holes, and described transmission through hole is distributed on the left of bulkhead and right side under functional warehouse, be provided with two panels cutterhead outside side body drain pan under functional warehouse, and two panels cutterhead is all relative and non-interference with two transmission through hole centers.
5. crush type mower according to claim 1, is characterized in that: the storehouse on the upside of described power supply storehouse covers the control button, the display screen that are provided with and connect with master controller.
6. crush type mower according to claim 1, is characterized in that: control storehouse on the upside of storehouse cover be provided with connect with master controller raise sensor.
7. crush type mower according to claim 1, is characterized in that: control to be provided with the crash sensor connected with master controller on front side of storehouse.
8. crush type mower according to claim 1, is characterized in that: the storehouse side of covering is covered with fixed protection lid, and fixed protection covers above functional warehouse, power supply storehouse and offers openable movable protective lid.
9. crush type mower according to claim 8, it is characterized in that: movable protective lid one side is hinged by rotating shaft with the upside controlling storehouse, on the upside of its another side and power storehouse, storehouse cover buckle connects, and be provided with electrode slice with power storehouse snapping place, the side of corresponding movable protective lid is provided with conducting sheet, after electrode slice and conducting oblique cut grafting all with master controller and or power supply formation control loop.
10. crush type mower according to claim 1, it is characterized in that: on the downside of the outer functional warehouse of car body drain pan, both sides outer rim is provided with grass bits stop deck, under car body drain pan, both sides grass bits stop before and after deck penetrating, and described cutterhead all stops between deck at both sides grass bits.
CN201510708789.0A 2015-10-27 2015-10-27 Smashing type lawn mower Pending CN105191564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510708789.0A CN105191564A (en) 2015-10-27 2015-10-27 Smashing type lawn mower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510708789.0A CN105191564A (en) 2015-10-27 2015-10-27 Smashing type lawn mower

Publications (1)

Publication Number Publication Date
CN105191564A true CN105191564A (en) 2015-12-30

Family

ID=54939857

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510708789.0A Pending CN105191564A (en) 2015-10-27 2015-10-27 Smashing type lawn mower

Country Status (1)

Country Link
CN (1) CN105191564A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017186149A1 (en) * 2016-04-27 2017-11-02 苏州宝时得电动工具有限公司 Smart crawler belt moving device
CN107750585A (en) * 2017-11-07 2018-03-06 重庆宝红农业开发有限公司 Hilly and mountainous land hay mover based on mini-tiller chassis
CN109005874A (en) * 2017-06-09 2018-12-18 安德烈·斯蒂尔股份两合公司 Autonomous afforested areas maintaining robot
CN110996651A (en) * 2017-07-26 2020-04-10 格兰集团凯特明讷公司 Electric disc type mower
WO2020192173A1 (en) * 2019-03-28 2020-10-01 宝时得科技(中国)有限公司 Protection member, blade assembly, and mower

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003106A1 (en) * 1980-04-28 1981-11-12 Emerson Electric Co Apparatus for cutting vegetation
JP2643101B2 (en) * 1988-10-13 1997-08-20 川崎重工業株式会社 Unmanned traveling equipment
CN201248261Y (en) * 2008-05-04 2009-06-03 上海创绘机器人科技有限公司 Intelligent lawn maintenance robot
CN202958189U (en) * 2012-11-27 2013-06-05 上海大学 Intelligent mowing robot
CN103733801A (en) * 2014-01-02 2014-04-23 上海大学 Combined intelligent mowing robot
CN204697519U (en) * 2015-06-08 2015-10-14 浙江广厦建设职业技术学院 A kind of solar energy mower
CN205093164U (en) * 2015-10-27 2016-03-23 杭州苏珀曼智能科技有限公司 Smash type lawn mower

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1981003106A1 (en) * 1980-04-28 1981-11-12 Emerson Electric Co Apparatus for cutting vegetation
JP2643101B2 (en) * 1988-10-13 1997-08-20 川崎重工業株式会社 Unmanned traveling equipment
CN201248261Y (en) * 2008-05-04 2009-06-03 上海创绘机器人科技有限公司 Intelligent lawn maintenance robot
CN202958189U (en) * 2012-11-27 2013-06-05 上海大学 Intelligent mowing robot
CN103733801A (en) * 2014-01-02 2014-04-23 上海大学 Combined intelligent mowing robot
CN204697519U (en) * 2015-06-08 2015-10-14 浙江广厦建设职业技术学院 A kind of solar energy mower
CN205093164U (en) * 2015-10-27 2016-03-23 杭州苏珀曼智能科技有限公司 Smash type lawn mower

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017186149A1 (en) * 2016-04-27 2017-11-02 苏州宝时得电动工具有限公司 Smart crawler belt moving device
CN109068588A (en) * 2016-04-27 2018-12-21 苏州宝时得电动工具有限公司 Intelligent crawler-type mobile equipment
US11180204B2 (en) 2016-04-27 2021-11-23 Positec Power Tools (Suzhou) Co., Ltd. Autonomous track-type moving device
CN109005874A (en) * 2017-06-09 2018-12-18 安德烈·斯蒂尔股份两合公司 Autonomous afforested areas maintaining robot
CN109005874B (en) * 2017-06-09 2022-09-13 安德烈·斯蒂尔股份两合公司 Autonomous mobile greening area maintenance robot
CN110996651A (en) * 2017-07-26 2020-04-10 格兰集团凯特明讷公司 Electric disc type mower
CN110996651B (en) * 2017-07-26 2022-07-22 格兰集团凯特明讷公司 Electric disc type mower
CN107750585A (en) * 2017-11-07 2018-03-06 重庆宝红农业开发有限公司 Hilly and mountainous land hay mover based on mini-tiller chassis
WO2020192173A1 (en) * 2019-03-28 2020-10-01 宝时得科技(中国)有限公司 Protection member, blade assembly, and mower

Similar Documents

Publication Publication Date Title
CN105191564A (en) Smashing type lawn mower
CN112135513B (en) Automatic mower and control method thereof
EP2547193A1 (en) Robotic lawn mower with edge cutting
CA2774012C (en) A mower
CN203735069U (en) Intelligent hay mower
CN104067768B (en) Mower guard and hay mover
CN211378828U (en) Based on weeding device for campus
CN205093164U (en) Smash type lawn mower
CN207284229U (en) New energy intelligent grass-removing
CN114424703A (en) New forms of energy robot of mowing
JP2020528275A (en) Electric disc mower
CN218784104U (en) Mowing robot and mowing and collecting equipment
CN216960804U (en) New forms of energy robot of mowing
CN207219443U (en) Electronic riding type mower
CN207054114U (en) A kind of gardens mowing machine equipment of novel high-efficiency environment friendly
CN212367922U (en) Grass smashing device of mowing robot
CN215223150U (en) Remote control lawn mower convenient to use
CN209403058U (en) A kind of unmanned grass-cutting vehicle
CN114467532A (en) Multifunctional integrated hedge trimmer
WO2021088553A1 (en) Intelligent mower
CN210868784U (en) Self-propelled stubble-cutting and collecting mower
CN111386837A (en) A high-efficient safe weeding part for intelligent weeding equipment
CN208359916U (en) A kind of walking mechanism of grass-removing robot
CN206698720U (en) Grass mower
CN111567212A (en) Novel multifunctional remote control mowing and pesticide applying machine

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20151230