CN207167075U - A kind of mechanical device and system for plucking tealeaves - Google Patents

A kind of mechanical device and system for plucking tealeaves Download PDF

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Publication number
CN207167075U
CN207167075U CN201720994975.XU CN201720994975U CN207167075U CN 207167075 U CN207167075 U CN 207167075U CN 201720994975 U CN201720994975 U CN 201720994975U CN 207167075 U CN207167075 U CN 207167075U
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China
Prior art keywords
mechanical device
moving platform
executing agency
leading screw
plucking
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CN201720994975.XU
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Chinese (zh)
Inventor
张晴
孙帅
刘英奇
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Zhejiang University Kunshan Innovation Institute
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Zhejiang University Kunshan Innovation Institute
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Abstract

The utility model discloses a kind of mechanical device and system for plucking tealeaves, including：Including：Tea tree can be identified（5）Young sprout and the positioner for obtaining its space coordinates, mechanical device（2）, drive mechanism（2）Mobile running gear, and running gear and mechanical device are controlled according to space coordinates（2）Control device；Positioner, running gear and mechanical device（2）Electrically connected respectively with control device；Mechanical device（2）, it is characterised in that：Including：Fixed platform（6）, moving platform（10）, three are circumferentially uniformly arranged and are connected in fixed platform（6）And moving platform（10）Between movement branched chain, and be arranged at moving platform（10）The executing agency of bottom side（3）；Movement branched chain can drive moving platform（10）Moved with same posture in space any direction, executing agency（3）With two blades that can be close to each other and remote.The utility model has the advantage that：Automatic identification and And Development of Tea Shoot can be positioned so as to realize that tealeaves is efficiently plucked.

Description

A kind of mechanical device and system for plucking tealeaves
Technical field
The invention belongs to agriculture picking mechanical equipment technical field, and in particular to it is a kind of pluck tealeaves mechanical device and be System.
Background technology
Tea economy value is high, but harvesting is faced with very big problem.Due to picking tea-leaves, the time limit is shorter, and harvesting task is very Heavy, traditional artificial harvesting can not meet current tea picking requirement.Machine harvesting tea technology obtains necessarily in recent years Development, but machine is adopted and is not as artificial flexible like that, and the quality for plucking tealeaves has much room for improvement, and overall effect of plucking needs Further development.
China has been achieved for some achievements in terms of the research of picking robot, mainly makes in current domestic tea picking It is reciprocating cutting formula tea picking machine.This tea picking machine have it is clearly disadvantageous, pluck tealeaves when None- identified young sprout and Old leaf, often integrality and standard are poor for the tealeaves that success is plucked, and harvesting effect can not ensure.Therefore, rationally utilize The advantage of parallel institution, design tea picking machinery device is for promoting the development of tea industry to have great importance.
The content of the invention
It is an object of the invention to overcome deficiency of the prior art, there is provided it is a kind of pluck tealeaves mechanical device and be System, automatic identification and And Development of Tea Shoot can be positioned so as to realize that tealeaves is efficiently plucked.
To solve prior art problem, the invention discloses a kind of mechanical device for plucking tealeaves, including：
Fixed platform,
Moving platform,
Three are circumferentially uniformly arranged the movement branched chain being connected between fixed platform and moving platform, and
It is arranged at the executing agency of moving platform bottom side；
Movement branched chain can drive moving platform to be moved with same posture in space any direction, and executing agency has two energy Enough blades close to each other and remote.
Further, movement branched chain includes：
Three are circumferentially uniformly arranged on the servomotor on fixed platform,
Three master arms coupled respectively with the output shaft of corresponding servomotor, and
Three slave arms coupled respectively to moving platform and corresponding master arm ball pivot.
Further, each slave arm includes two connecting rods that are isometric and be arrangeding in parallel, the both ends of each connecting rod respectively with Master arm and the connection of moving platform ball pivot.
Further, executing agency includes：
Motor,
Couple the leading screw of the output shaft of motor,
The guide rod being be arranged in parallel with leading screw, and
A pair of clips for coupling with threads of lead screw and being slidably connected with guide rod；
Two blades are respectively arranged in a manner of face-to-face on corresponding clip, and leading screw has two sections of oppositely oriented spiral shells Line, each clip are engaged with corresponding screw thread.
Further, executing agency also includes：
A pair of limited blocks being arranged between two blades, each limited block can limit corresponding clip motion.
Further, the both ends of leading screw couple moving platform by bearing block respectively.
Further, executing agency includes：
Motor,
Couple the driving gear of the output shaft of motor,
The guide rod being be arranged in parallel with leading screw, and
A pair of racks for being meshed with driving gear and being slidably connected with guide rod；
Two blades are respectively arranged in a manner of face-to-face on corresponding rack, and two racks are respectively arranged at driving gear The cylindrical place in both sides.
Further, executing agency also includes：
A pair of limited blocks being arranged between two blades, each limited block can limit corresponding rack motion.
The invention also discloses a kind of system of the harvesting tealeaves using above-mentioned mechanical device, in addition to：
And Development of Tea Shoot can be identified and obtain the positioner of its space coordinates,
The running gear of drive mechanism movement, and
The control device of running gear and mechanical device is controlled according to space coordinates；
Positioner, running gear and mechanical device electrically connect with control device respectively.
Further, positioner includes：
It is capable of the video camera of tea tree canopy image,
It is capable of the projecting apparatus of projects images, and
According to image recognition And Development of Tea Shoot and obtain the image processor of its space coordinates.
The device have the advantages that：Compared to traditional picked by hand pattern, with the system of the harvesting tealeaves of the present invention Automatic identification can be realized and efficiently harvesting, the effect of harvesting tealeaves have very high integrality and standard than in general tea picking machine Property, have the function that for the development for promoting tea industry very positive.
Brief description of the drawings
Fig. 1 is the structural representation of a preferred embodiment of the invention；
Fig. 2 is the structural representation of mechanical device in embodiment illustrated in fig. 1；
Fig. 3 is a kind of structural representation of executing agency in embodiment illustrated in fig. 1；
Fig. 4 is the structural representation of another executing agency in embodiment illustrated in fig. 1.
Reference：
1 video camera；2 mechanical devices；3 executing agencies；4 projecting apparatus；5 tea trees；6 fixed platforms；7 servomotors；8 master arms；9 Slave arm；10 moving platforms；11 driving gears；12 guide rods；13 left limit blocks；14 right limit blocks；15 motors；16 motor cabinets； 17 left shaft holders；18 leading screws；19 left clips；20 holding screws；21 right clips；22 right axle bearings；23 first racks；24 second teeth Bar.
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.Following examples are only used for clearly illustrating the present invention Technical scheme, and can not be limited the scope of the invention with this.
As shown in Figures 1 to 4, a kind of system for plucking tealeaves, including：The young sprout of tea tree 5 can be identified and obtain its space seat Target positioner, the running gear that drive mechanism 2 moves, the mechanical device 2 of tealeaves can be plucked, and according to space The control device of coordinate control running gear and mechanical device 2.
Positioner, running gear and mechanical device 2 electrically connect with control device respectively.
Mechanical device 2, including：Fixed platform 6, moving platform 10, three movement branched chains, and executing agency 3.
Fixed platform 6 is installed on running gear, can play a part of reducing rotary inertia.Movement branched chain is circumferentially uniform Set, its upper end connection top is added, lower end ball pivot connection moving platform 10, so as to drive moving platform 10 with same posture in sky Between any direction move.Executing agency 3 is arranged at the bottom side of moving platform 10, and it has a left blade and a right blade.It is logical Cross left blade and right blade is constantly reciprocating close to and away from so as to efficiently pick the young sprout of tea tree 5.
Preferably, movement branched chain includes：Three servomotors 7, three master arms 8, and three slave arms 9. Servomotor 7 is circumferentially uniformly fixed on fixed platform 6 by motor deck, and one end connection of each master arm 8 is watched accordingly The output shaft of motor 7 is taken, other end ball pivot couples one end of corresponding slave arm 9, the other end ball pivot connection moving platform of slave arm 9 10。
As more specifically preferred scheme, each slave arm 9 includes two connecting rods that are isometric and be arrangeding in parallel, each connecting rod Both ends couple respectively with master arm 8 and the ball pivot of moving platform 10 so as to parallel―ordinal shift kinetic characteristic.Connecting rod is carbon Material, there is the intensity of lighter quality and Geng Gao.
Preferably, executing agency 3 includes：Motor 15, leading screw 18, guide rod 12, left clip 19 and right folder Son 21.Motor 15 is installed on the bottom side of moving platform 10 by motor cabinet 16, one end connection motor 15 of leading screw 18 Output shaft, guide rod 12 be arranged in parallel with leading screw 18, left clip 19 and right clip 21 with the thread connection of leading screw 18 and with guide rod 12 It is slidably connected.
Left blade is arranged on left clip 19, and right blade is arranged on right clip 21, and two blades are set in a manner of face-to-face Put.Leading screw 18 has two sections of oppositely oriented screw threads, each clip be engaged with corresponding screw thread so as to realize it is close to each other and It is remote.
As more specifically preferred scheme, executing agency 3 also includes：Left limit block 13 and right limit block 14, left limit block 13 are arranged at by holding screw 20 on the screw mandrel on the right side of left clip 19, and right limit block 14 is arranged at the right side by holding screw 20 On the screw mandrel in the left side of clip 21.Required to set the position of left limit block 13 and right limit block 14 according to harvesting, avoid the occurrence of knife The problem of piece is overlapping excessive, and fixed with holding screw 20, in the present embodiment between left limit block 13 and right limit block 14 most Big distance is 35mm.
As more specifically preferred scheme, the left end of leading screw 18 couples moving platform 10 by left shaft holder 17, and right-hand member passes through Right axle bearing 22 couples moving platform 10.Corresponding bearing is provided with left shaft holder 17 and right axle bearing 22, so that and leading screw 18 form rotational installation.
As another preferred scheme, executing agency 3 includes：Motor 15, driving gear 11, guide rod 12, the first tooth The rack 24 of bar 23 and second.Driving gear 11 couples the output shaft of motor 15, and guide rod 12 be arranged in parallel with leading screw 18.Left knife Piece is arranged on the first rack 23, and right blade is arranged on the second rack 24, and two blades are set in a manner of face-to-face.First tooth The cylindrical place in side that bar 23 is arranged at driving gear 11 is engaged, and the second rack 24 is arranged at outside the opposite side of driving gear 11 Engaged at circle.
As more specifically preferred scheme, executing agency 3 also includes：Left limit block 13 and right limit block 14, left limit block 13 are arranged at the right side of the first rack 23, and right limit block 14 is arranged at the left side of the second rack 24.
Preferably, positioner includes：It is capable of the video camera 1 of the canopy image of tea tree 5, is capable of the throwing of projects images Shadow instrument 4, and according to the young sprout of image recognition tea tree 5 and obtain the image processor of its space coordinates.
The operation principle and process of the present invention
Mechanical device is driven by running gear and moved in the top of tea bush, when the tea tree in a certain scope is adopted When plucking, first the canopy image taking of tea tree 5 is got off by video camera 1, carries out the differentiation of old leaf and young sprout by color characteristic afterwards, And the plane coordinates of young sprout is determined by image processor.Projecting apparatus 4 carries out the projection of image, intake with video camera 1 respectively, and Modulated image is handled through image processor, obtains the coordinate of young sprout height.Height coordinate is combined with plane coordinates, The space coordinates of young sprout is obtained with, is sent it in control device, it becomes possible to realizes the motion control of mechanical device 2.Most Afterwards, it is accurately positioned executing agency 3, it becomes possible to realize efficient tea picking.
Described above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art For member, without departing from the technical principles of the invention, some improvement and deformation can also be made, these are improved and deformation Also it should be regarded as protection scope of the present invention.

Claims (10)

  1. A kind of 1. mechanical device for plucking tealeaves（2）, it is characterised in that：Including：
    Fixed platform（6）,
    Moving platform（10）,
    Three are circumferentially uniformly arranged and are connected in the fixed platform（6）With the moving platform（10）Between movement branched chain, with And
    It is arranged at the moving platform（10）The executing agency of bottom side（3）；
    The movement branched chain can drive the moving platform（10）Moved with same posture in space any direction, the execution machine Structure（3）With two blades that can be close to each other and remote.
  2. A kind of 2. mechanical device for plucking tealeaves according to claim 1（2）, it is characterised in that：The movement branched chain bag Include：
    Three are circumferentially uniformly arranged on the fixed platform（6）On servomotor（7）,
    Three respectively with the corresponding servomotor（7）Output shaft connection master arm（8）, and
    Three respectively with the moving platform（10）With the corresponding master arm（8）The slave arm of ball pivot connection（9）.
  3. A kind of 3. mechanical device for plucking tealeaves according to claim 2（2）, it is characterised in that：Each slave arm （9）Including two connecting rods that are isometric and be arrangeding in parallel, the both ends of each connecting rod respectively with the master arm（8）Moved with described Platform（10）Ball pivot couples.
  4. A kind of 4. mechanical device for plucking tealeaves according to claim 1（2）, it is characterised in that：The executing agency（3） Including：
    Motor（15）,
    Couple the motor（15）Output shaft leading screw（18）,
    With the leading screw（18）The guide rod be arrangeding in parallel（12）, and
    A pair and the leading screw（18）Thread connection and with the guide rod（12）The clip being slidably connected；
    Two blades are respectively arranged in a manner of face-to-face on the corresponding clip, the leading screw（18）With two sections of rotations To opposite screw thread, each clip is engaged with corresponding screw thread.
  5. A kind of 5. mechanical device for plucking tealeaves according to claim 4（2）, it is characterised in that：The executing agency（3） Also include：
    A pair of limited blocks being arranged between two blades, each limited block can limit the corresponding clip fortune It is dynamic.
  6. A kind of 6. mechanical device for plucking tealeaves according to claim 4（2）, it is characterised in that：The leading screw（18）'s Both ends couple the moving platform by bearing block respectively（10）.
  7. A kind of 7. mechanical device for plucking tealeaves according to claim 6（2）, it is characterised in that：The executing agency（3） Including：
    Motor（15）,
    Couple the motor（15）Output shaft driving gear（11）,
    With the leading screw（18）The guide rod be arrangeding in parallel（12）, and
    A pair and the driving gear（11）Be meshed and with the guide rod（12）The rack being slidably connected；
    Two blades are respectively arranged in a manner of face-to-face on the corresponding rack, and two racks are respectively arranged at The driving gear（11）The cylindrical place in both sides.
  8. A kind of 8. mechanical device for plucking tealeaves according to claim 7（2）, it is characterised in that：The executing agency（3） Also include：
    A pair of limited blocks being arranged between two blades, each limited block can limit the corresponding rack fortune It is dynamic.
  9. A kind of 9. system for plucking tealeaves, it is characterised in that：Including：
    Tea tree can be identified（5）Young sprout and the positioner for obtaining its space coordinates,
    Mechanical device as described in claim 1 to 8 is any（2）,
    Drive the mechanical device（2）Mobile running gear, and
    The running gear and mechanical device are controlled according to the space coordinates（2）Control device；
    The positioner, running gear and the mechanical device（2）Electrically connected respectively with the control device.
  10. A kind of 10. system for plucking tealeaves according to claim 9, it is characterised in that：The positioner includes：
    Being capable of tea tree（5）The video camera of canopy image（1）,
    The projecting apparatus of described image can be projected（4）, and
    Tea tree is identified according to described image（5）Young sprout and the image processor for obtaining its space coordinates.
CN201720994975.XU 2017-08-10 2017-08-10 A kind of mechanical device and system for plucking tealeaves Active CN207167075U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720994975.XU CN207167075U (en) 2017-08-10 2017-08-10 A kind of mechanical device and system for plucking tealeaves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720994975.XU CN207167075U (en) 2017-08-10 2017-08-10 A kind of mechanical device and system for plucking tealeaves

Publications (1)

Publication Number Publication Date
CN207167075U true CN207167075U (en) 2018-04-03

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ID=61744471

Family Applications (1)

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CN (1) CN207167075U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107371600A (en) * 2017-08-10 2017-11-24 浙江大学昆山创新中心 A kind of mechanical device and system for plucking tealeaves
CN111567216A (en) * 2020-05-20 2020-08-25 湖州职业技术学院 Three-dimensional coordinate automatic tea picking robot
CN114619424A (en) * 2022-05-12 2022-06-14 浙江大学 Transmission mechanism of micro crawling robot and micro crawling robot

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107371600A (en) * 2017-08-10 2017-11-24 浙江大学昆山创新中心 A kind of mechanical device and system for plucking tealeaves
CN111567216A (en) * 2020-05-20 2020-08-25 湖州职业技术学院 Three-dimensional coordinate automatic tea picking robot
CN114619424A (en) * 2022-05-12 2022-06-14 浙江大学 Transmission mechanism of micro crawling robot and micro crawling robot
CN114619424B (en) * 2022-05-12 2022-08-30 浙江大学 Transmission mechanism of micro crawling robot and micro crawling robot

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