CN203860064U - Rigid and flexible mixed tail end actuator for picking strawberry - Google Patents

Rigid and flexible mixed tail end actuator for picking strawberry Download PDF

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Publication number
CN203860064U
CN203860064U CN201420244102.3U CN201420244102U CN203860064U CN 203860064 U CN203860064 U CN 203860064U CN 201420244102 U CN201420244102 U CN 201420244102U CN 203860064 U CN203860064 U CN 203860064U
Authority
CN
China
Prior art keywords
fingers
finger
flexible
rigid
strawberry
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.)
Expired - Fee Related
Application number
CN201420244102.3U
Other languages
Chinese (zh)
Inventor
张建宝
杜新颖
李娜
韩翠
张志军
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.)
Hebei Agricultural University
Original Assignee
Hebei Agricultural University
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 Hebei Agricultural University filed Critical Hebei Agricultural University
Priority to CN201420244102.3U priority Critical patent/CN203860064U/en
Application granted granted Critical
Publication of CN203860064U publication Critical patent/CN203860064U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

A rigid and flexible mixed tail end actuator for picking a strawberry comprises a palm, a wrist and two pairs of fingers with the same structure, wherein each pair of fingers comprises a flexible finger and a rigid finger, the two pairs of fingers are symmetrically mounted on the palm, the joint position of each finger is connected with one side of the palm through a toothed gear, profiling curved surfaces are arranged on the fingers, force sensors are arranged on the inner sides of the flexible fingers, and profiling shears are arranged on the rigid fingers; and the wrist is mounted on the other side of the palm. When the rigid and flexible mixed tail end actuator works, the rigid fingers and the flexible fingers are closed to the palm under the drive of the toothed gears of the fingers, the rigid fingers press a strawberry stem while the flexible fingers grab the tip end of the strawberry, at the moment, the profiling shears on the rigid fingers shear the stem off, and after the flexible fingers contact the strawberry, a signal is fed back to the toothed gears of the fingers when the force sensors on the surface of the flexible fingers detect preset grabbing force, so that the toothed gears stop rotation, and the strawberry is picked.

Description

A kind of hard and soft mixing strawberry picking end actuating unit
Technical field
The utility model relates to a kind of picking end actuating unit, especially relates to a kind of hard and soft mixing strawberry picking end actuating unit.
Background technology
China's strawberry cultivating area in recent years rapidly increases, and occupies first place in the world.In strawberry harvest time, hand labor intensity and workload are very large, in addition in greenhouse, environment is damp and hot, operating environment is very severe, and because the appearance of strawberry is comparatively fragile, and its shape and upgrowth situation complexity, the top priority that therefore project organization is simple, motion is flexible, many finger-types end effector flexible job becomes strawberry picking robot development.
Utility model content
The purpose of this utility model is to provide a kind of hard and soft mixing picking mechanical arm end actuating unit, is a set of mechanical paw of plucking for strawberry, and designs taking the flexible harvesting of strawberry operation as target.
In order to achieve the above object, the technical solution adopted in the utility model is: the utility model comprises palm, wrist, two pairs of fingers that structure is identical; Described every pair of finger comprises a flexible finger and a rigidity finger, two pairs of finger symmetries are arranged on palm, and each finger-joint place is all connected with palm one side by toothed wheel, on described finger, be equipped with profiling curved surface, described flexible finger inner side is provided with power sensor, and described rigidity finger is provided with profiling and cuts; Described wrist is arranged on the opposite side of palm.
The beneficial effect the utlity model has is: toothed wheel drives four fingers, finger rotates around joint under the effect of toothed wheel, and two flexible fingers close up, parcel strawberry tip, two rigidity finger profilings in the process of parcel strawberry are cut engagement and are cut off carpopodium, realize strawberry and pluck operation.The utility model is simple in structure, processing ease, and motion flexibly, can be used for the flexible harvesting of strawberry operation, coordinates other device of robot to realize the harvesting operation of efficient high reliability.
Brief description of the drawings
Fig. 1 is arm end effector device installation diagram.
Fig. 2 is manipulator rigidity finger schematic diagram.
Fig. 3 is manipulator flexible finger schematic diagram.
In figure: 1. rigidity finger; 2. flexible finger; 3. finger cradle head; 4. wrist; 5. palm; 6. bull stick; 7. toothed wheel; 8. power sensor; 9. profiling is cut.
Embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model comprises palm (5), wrist (4), two pairs of fingers that structure is identical; Described every pair of finger comprises a flexible finger (2) and a rigidity finger (1), two pairs of finger symmetries are arranged on palm (5), and each finger-joint place is all connected with palm (5) one sides by toothed wheel (7), on described finger, be equipped with profiling curved surface, described flexible finger inner side is provided with power sensor (8), and described rigidity finger (1) is provided with profiling and cuts (9); Described wrist (4) is arranged on the opposite side of palm (5).
When the utility model work, under the driving of finger toothed wheel (7), make rigidity finger (1) and flexible finger (2) closed to palm (5), flexible finger (2) is embraced the most advanced and sophisticated rigidity finger (1) simultaneously of strawberry and is pushed down strawberry carpopodium, the now profiling on rigidity finger (1) is cut (9) carpopodium is cut off, after submissive finger (2) touches strawberry, in the time that its surperficial power sensor (8) detects predetermined grasp force, give finger toothed wheel (7) by signal feedback, toothed wheel (7) stops operating, realize strawberry harvesting.

Claims (2)

1. a hard and soft mixing strawberry picking end actuating unit, is characterized in that: comprise palm, wrist, two pairs of fingers that structure is identical; Described every pair of finger comprises a flexible finger and a rigidity finger, and two pairs of finger symmetries are arranged on palm, and each finger-joint place is all connected with palm one side by toothed wheel; Described wrist is arranged on the opposite side of palm.
2. the hard and soft mixing of one according to claim 1 strawberry picking end actuating unit, is characterized in that: on described finger, be equipped with profiling curved surface, described flexible finger inner side is provided with power sensor, and described rigidity finger is provided with profiling and cuts.
CN201420244102.3U 2014-05-14 2014-05-14 Rigid and flexible mixed tail end actuator for picking strawberry Expired - Fee Related CN203860064U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420244102.3U CN203860064U (en) 2014-05-14 2014-05-14 Rigid and flexible mixed tail end actuator for picking strawberry

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420244102.3U CN203860064U (en) 2014-05-14 2014-05-14 Rigid and flexible mixed tail end actuator for picking strawberry

Publications (1)

Publication Number Publication Date
CN203860064U true CN203860064U (en) 2014-10-08

Family

ID=51641061

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420244102.3U Expired - Fee Related CN203860064U (en) 2014-05-14 2014-05-14 Rigid and flexible mixed tail end actuator for picking strawberry

Country Status (1)

Country Link
CN (1) CN203860064U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104396446A (en) * 2014-12-09 2015-03-11 广西大学 Torsional spring type fruit picking device
CN107696047A (en) * 2017-10-12 2018-02-16 谷新运 A kind of cucumber flexibility picking mechanical arm end effector and picking method
CN114916317A (en) * 2022-05-09 2022-08-19 华南理工大学 Multi-connecting-rod fruit picking manipulator
US11445663B2 (en) 2018-02-13 2022-09-20 Saga Robotics As Device for picking fruit comprising overlapping locating members

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104396446A (en) * 2014-12-09 2015-03-11 广西大学 Torsional spring type fruit picking device
CN107696047A (en) * 2017-10-12 2018-02-16 谷新运 A kind of cucumber flexibility picking mechanical arm end effector and picking method
CN107696047B (en) * 2017-10-12 2020-11-03 新昌县大菠萝农业发展有限公司 End effector of cucumber flexible picking manipulator and picking method
US11445663B2 (en) 2018-02-13 2022-09-20 Saga Robotics As Device for picking fruit comprising overlapping locating members
CN114916317A (en) * 2022-05-09 2022-08-19 华南理工大学 Multi-connecting-rod fruit picking manipulator

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141008

Termination date: 20150514

EXPY Termination of patent right or utility model