CN105144939A - Big seedling rice transplanting robotic hand - Google Patents

Big seedling rice transplanting robotic hand Download PDF

Info

Publication number
CN105144939A
CN105144939A CN201510392082.3A CN201510392082A CN105144939A CN 105144939 A CN105144939 A CN 105144939A CN 201510392082 A CN201510392082 A CN 201510392082A CN 105144939 A CN105144939 A CN 105144939A
Authority
CN
China
Prior art keywords
robotic arm
mechanical hand
joint
fixed
mechanical
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.)
Granted
Application number
CN201510392082.3A
Other languages
Chinese (zh)
Other versions
CN105144939B (en
Inventor
闫国琦
廖思聪
周伟隆
陈英志
阮易强
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.)
South China Agricultural University
Original Assignee
South China 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 South China Agricultural University filed Critical South China Agricultural University
Priority to CN201510392082.3A priority Critical patent/CN105144939B/en
Publication of CN105144939A publication Critical patent/CN105144939A/en
Application granted granted Critical
Publication of CN105144939B publication Critical patent/CN105144939B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Manipulator (AREA)

Abstract

The invention discloses a big seedling rice transplanting robotic hand, which comprises a motion mechanism and a robotic hand. The motion mechanism includes machine arms, joints and buffering limit blocks. The robotic hand consists of a robotic hand frame, a robotic hand lever and a robotic hand joint. Through motor drive and steel cable traction, planar multi-joint machine arm motion control can be realized, two fixed actions of machine arm starting points and end points can be achieved by means of joint angle limit, and through coordination action of the robotic hand at the machine arm terminal, big seedling rice transplanting operation can be realized. The robotic hand has the advantages of few variable, simple structure, low making cost, and easy popularization and application.

Description

A kind of seedlings rice transplanting machine hand
Technical field
The present invention relates to agricultural mechanical field, particularly a kind of seedlings rice transplanting machine hand.
Background technology
Current rice transplanter is mainly used in the middle or small rice shoot of blanket, but this kind of rice transplanter is not suitable for the do mechanization operation in Small burden or extreme terrain paddy field, is also not suitable for large rice shoot, and Er Qiezhong, little seedling growth cycle are longer, and nursery link cost is higher.Seedlings rice transplanting is the planting patterns of China's Yangtze river basin double cropping late rice regional requirements, and double cropping rice plantation is also based on seedlings rice transplanting.But, seedlings rice transplanting mainly adopts Traditional Man Transplanting pattern, and do mechanization operation is of low quality, and the rice transplanting engineering goods being applicable to large rice shoot are at present less, existing rolling type straight operated rice transplanter and reciprocal type straight operated rice transplanter, all because the restriction of point slotting wheel diameter, are difficult to replace artificial slotting large rice shoot.
Summary of the invention
The object of the invention is to overcome the shortcoming existed in prior art, the seedlings rice transplanting machine hand that a kind of structure is simple, volume is little, quality is light, cost is low is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of seedlings rice transplanting machine hand, comprises motion and mechanical hand 5; Motion comprises robotic arm, joint and buffering limited block; Mechanical hand 5 comprises mechanical hand framework 19, mechanical hand lever 20 and mechanical hand joint 21; The shape of mechanical hand framework 19 is U-shaped, the both sides of its U-shaped are fixed on the end of last robotic arm, the top of its U-shaped is provided with mechanical hand regulating tank 22, and mechanical hand joint 21 can translation or fixing in mechanical hand regulating tank 22, for regulating the folding width of mechanical hand; Mechanical hand lever 20 comprises front-end and back-end, and its front end is connected by mechanical hand joint 21 with rear end; The front end of mechanical hand lever 20 is positioned at the outside of mechanical hand framework 19, and the leading inside of mechanical hand lever 20 is bonded with flexible machine hand buffer 23, plays a protective role when clamping rice shoot; The rear end of mechanical hand lever 20 is positioned at the inside of mechanical hand framework 19, is connected outside the rear end of mechanical hand lever 20 by mechanical hand back-moving spring 17 with mechanical hand framework 19, and under the tension of mechanical hand back-moving spring 17, mechanical hand is generally in closure state; Survey in the rear end of mechanical hand lever 20 and drive wirerope 18 to be connected with mechanical hand drive motors 16 by mechanical hand, mechanical hand drive motors 16 is fixed on the middle part of last robotic arm, mechanical hand can be tightened up when mechanical hand drive motors 16 starts and drive wirerope 18, make the open-shaped state of mechanical hand.
Described motion is plane spacing joint robotic arm, comprise plural robotic arm, be connected by joint between robotic arm with robotic arm, the left and right sides in each joint is configured with buffer limit block, when articulation, the buffer limit block corresponding by joint and its contacts spacing, makes mechanical arm be level or vertical configuration; First robotic arm is fixed on ship board for rice transplanter or fuselage, and the end of last robotic arm is fixed with mechanical hand 5.
Described motion has 4 robotic arms and 3 joints; The left and right sides in joint 6, joint 7 and joint 8 is all configured with buffer limit block 9; First robotic arm and robotic arm 1 are fixed on ship board for rice transplanter or fuselage, be connected by joint 6 between robotic arm 1 with robotic arm 2, when joint 6 is rotated counterclockwise, contact spacing by buffer limit block 9, robotic arm 1 and robotic arm 2 linear state, when joint 6 turns clockwise, contact spacing by buffer limit block 9, robotic arm 1 and robotic arm 2 are in vertical state; Be connected by joint 7 between robotic arm 2 with robotic arm 3, when being rotated counterclockwise in vertical state, linear state when turning clockwise; Robotic arm 3 is connected by joint 8 with between last robotic arm and robotic arm 4, when being rotated counterclockwise linearly, in vertical when turning clockwise.
The left and right sides of robotic arm 1, robotic arm 2 and robotic arm 3 is all fixed with more than one pulley 14; Directive wheel 13 is fixed on ship board for rice transplanter or fuselage, and directive wheel 13 is positioned in the middle part of the line of driving wheel 12 to robotic arm 1 base, and with two side rollers on mechanical arm 1 on same vertical curve; The two ends of wirerope 15 are separately fixed at the left and right sides of robotic arm 4, and pulley 14 through robotic arm 1, robotic arm 2 and robotic arm 3 both sides and directive wheel 13 are sleeved on driving wheel 12; Driving wheel 12 is fixed on the output shaft of drive motors 11, and with the pulley of mechanical arm 1 on same vertical plane; Drive motors 11 is arranged on the below of robotic arm 1, and is fixed on ship board for rice transplanter or fuselage by back-moving spring 10, for keeping the rate of tension of wirerope 15, and has enough frictional force between wirerope 15 and driving wheel 12.
Pulley 14 is Double-wheel structure, can increase moment.
During seedling taking seedling, joint 6, joint 7 and joint 8 move to spacing counterclockwise, namely robotic arm 2 rotate counterclockwise to robotic arm 1 in vertical shape, robotic arm 3 rotates counterclockwise to perpendicular to robotic arm 2, and robotic arm 4 rotates counterclockwise and is the level of state to robotic arm 3; Mechanical hand 5 changes closure state into by open configuration, is clamped by the rice shoot of some; Then joint 6, joint 7 and joint 8 move to spacing clockwise, namely robotic arm 4 is clockwise to robotic arm 3 in vertical configuration, robotic arm 3 is clockwise to horizontal with robotic arm 2 one-tenth, robotic arm 2 is clockwise to vertical with robotic arm 1, kept by rice shoot the downward attitude of root to insert mud Tanaka, mechanical hand 5 changes open configuration into by closure state; Repeat above action, seedlings rice transplanting machine hand completes continuous rice transplanting operation.By controlling drive motors 11 rotating, realize the motion of control machine arm: when drive motors 11 rotates counterclockwise, on the left of robotic arm, wirerope 15 is strained, right side wirerope 15 loosens, robotic arm counterclockwise movement; When drive motors 11 rotates clockwise, on the right side of robotic arm, wirerope 15 is strained, left side wirerope 15 loosens, robotic arm clockwise movement.By controlling the rotating of drive motors 11 and mechanical hand drive motors 16, can the action of control machine arm and mechanical hand; By the cooperation of robotic arm and mechanical hand, the rice shoot that will be horizontally placed on rice transplanter inside takes out, and inserts mud Tanaka, complete rice transplanting action with vertical attitude.
The present invention compared with prior art has the following advantages and effect:
1, device drive motors quantity of the present invention is few, and can realize the many planar degrees of freedom motions of robotic arm, reduce the cost of mechanical hand largely, applicable agricultural mechanical field is applied.
2, device of the present invention is applicable to substituting artificial seedlings rice transplanting, and more existing seedlings seedling-transplanting device structure is advanced, and function is strong.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention.
Fig. 2 is the concrete structure schematic diagram of mechanical hand 5.
Fig. 3 is the annexation schematic diagram of wirerope and pulley.
Fig. 4 is seedling taking action schematic diagram of the present invention.
Fig. 5 is rice transplanting action schematic diagram of the present invention.
Wherein: 1, robotic arm; 2, robotic arm; 3, robotic arm; 4, robotic arm; 5, mechanical hand; 6, joint; 7, joint; 8, joint; 9, buffer limit block; 10, back-moving spring; 11, drive motors; 12, driving wheel; 13, directive wheel; 14, pulley; 15, wirerope; 16, mechanical hand drive motors; 17, mechanical hand back-moving spring; 18, mechanical hand drives wirerope; 19, mechanical hand framework; 20, mechanical hand lever; 21, mechanical hand joint; 22, mechanical hand regulating tank; 23, mechanical hand buffer.
Embodiment
Below in conjunction with embodiment, further detailed description is done to the present invention, but embodiments of the present invention are not limited thereto.
Embodiment 1
Seedlings rice transplanting machine hand, comprises motion and mechanical hand 5.
As shown in Figure 1, motion has 4 robotic arms and 3 joints.Robotic arm 1 is fixed on rice transplanter fuselage, and the end of robotic arm 4 is fixed with mechanical hand 5.The left and right sides in joint 6, joint 7 and joint 8 is all configured with buffer limit block 9.Be connected by joint 6 between robotic arm 1 with robotic arm 2, when joint 6 is rotated counterclockwise, contact spacing by buffer limit block 9, robotic arm 1 and robotic arm 2 linear state, when joint 6 turns clockwise, contact spacing by buffer limit block 9, robotic arm 1 and robotic arm 2 are in vertical state; Be connected by joint 7 between robotic arm 2 with robotic arm 3, when being rotated counterclockwise in vertical state, linear state when turning clockwise; Be connected by joint 8 between robotic arm 3 with robotic arm 4, when being rotated counterclockwise linearly, in vertical when turning clockwise.The left and right sides of robotic arm 1, robotic arm 2 and robotic arm 3 is all fixed with two pulleys 14, and pulley 14 is Double-wheel structure; Directive wheel 13 is fixed on rice transplanter body, and directive wheel 13 is positioned in the middle part of the line of driving wheel 12 to robotic arm 1 base, and with two side rollers on mechanical arm 1 on same vertical curve; The two ends of wirerope 15 are separately fixed at the left and right sides of robotic arm 4, and pulley 14 through robotic arm 1, robotic arm 2 and robotic arm 3 both sides and directive wheel 13 are sleeved on driving wheel 12, as shown in Figure 3; Driving wheel 12 is fixed on the output shaft of drive motors 11, and with the pulley of mechanical arm 1 on same vertical plane; Drive motors 11 is arranged on the below of robotic arm 1, and is fixed on rice transplanter body by back-moving spring 10, for keeping the rate of tension of wirerope 15, and has enough frictional force between wirerope 15 and driving wheel 12.
As shown in Figure 2, mechanical hand 5 comprises mechanical hand framework 19, mechanical hand lever 20 and mechanical hand joint 21; The shape of mechanical hand framework 19 is U-shaped, and the both sides of its U-shaped are fixed on the end of robotic arm 4, and the top of its U-shaped is provided with mechanical hand regulating tank 22, and mechanical hand joint 21 can translation or fixing in mechanical hand regulating tank 22, for regulating the folding width of mechanical hand; Mechanical hand lever 20 comprises front-end and back-end, and its front end is connected by mechanical hand joint 21 with rear end; The front end of mechanical hand lever 20 is positioned at the outside of mechanical hand framework 19, and the leading inside of mechanical hand lever 20 bonds one deck flexible machine hand buffer 23, plays a protective role when clamping rice shoot; The rear end of mechanical hand lever 20 is positioned at the inside of mechanical hand framework 19, is connected outside the rear end of mechanical hand lever 20 by mechanical hand back-moving spring 17 with mechanical hand framework 19, and under the tension of mechanical hand back-moving spring 17, mechanical hand is generally in closure state; Survey in the rear end of mechanical hand lever 20 and drive wirerope 18 to be connected with mechanical hand drive motors 16 by mechanical hand, mechanical hand drive motors 16 is fixed on the middle part of last robotic arm, mechanical hand can be tightened up when mechanical hand drive motors 16 starts and drive wirerope 18, make the open-shaped state of mechanical hand.
During seedling taking seedling, joint 6, joint 7 and joint 8 move to spacing counterclockwise, namely robotic arm 2 rotate counterclockwise to robotic arm 1 in vertical shape, robotic arm 3 rotates counterclockwise to perpendicular to robotic arm 2, and robotic arm 4 rotates counterclockwise and is the level of state to robotic arm 3; Mechanical hand 5 changes closure state into by open configuration, is clamped by the rice shoot of some, as shown in Figure 4; Then joint 6, joint 7 and joint 8 move to spacing clockwise, namely robotic arm 4 is clockwise to robotic arm 3 in vertical configuration, robotic arm 3 is clockwise to horizontal with robotic arm 2 one-tenth, robotic arm 2 is clockwise to vertical with robotic arm 1, the downward attitude of root is kept by rice shoot to insert mud Tanaka, mechanical hand 5 changes open configuration into by closure state, as shown in Figure 5; Repeat above action, seedlings rice transplanting machine hand completes continuous rice transplanting operation.By controlling drive motors 11 rotating, realize the motion of control machine arm: when drive motors 11 rotates counterclockwise, on the left of robotic arm, wirerope 15 is strained, right side wirerope 15 loosens, robotic arm counterclockwise movement; When drive motors 11 rotates clockwise, on the right side of robotic arm, wirerope 15 is strained, left side wirerope 15 loosens, robotic arm clockwise movement.By controlling the rotating of drive motors 11 and mechanical hand drive motors 16, can the action of control machine arm and mechanical hand; By the cooperation of robotic arm and mechanical hand, the rice shoot that will be horizontally placed on rice transplanter inside takes out, and inserts mud Tanaka, complete rice transplanting action with vertical attitude.

Claims (5)

1. a seedlings rice transplanting machine hand, is characterized in that: comprise motion and mechanical hand; Motion comprises robotic arm, joint and buffering limited block; Mechanical hand comprises mechanical hand framework, mechanical hand lever and mechanical hand joint; The shape of mechanical hand framework is U-shaped, and the both sides of its U-shaped are fixed on the end of last robotic arm, and the top of its U-shaped is provided with mechanical hand regulating tank, and mechanical hand joint is translation or fixing in mechanical hand regulating tank, for regulating the folding width of mechanical hand; Mechanical hand lever comprises front-end and back-end, and its front end is connected by mechanical hand joint with rear end; The front end of mechanical hand lever is positioned at the outside of mechanical hand framework, and the leading inside of mechanical hand lever is bonded with flexible machine hand buffer; The rear end of mechanical hand lever is positioned at the inside of mechanical hand framework, is connected outside the rear end of mechanical hand lever by mechanical hand back-moving spring with mechanical hand framework; Survey in the rear end of mechanical hand lever and drive wirerope to be connected with mechanical hand drive motors by mechanical hand, mechanical hand drive motors is fixed on the middle part of last robotic arm.
2. seedlings rice transplanting machine hand according to claim 1, it is characterized in that: described motion is plane spacing joint robotic arm, comprise plural robotic arm, be connected by joint between robotic arm with robotic arm, the left and right sides in each joint is configured with buffer limit block, when articulation, the buffer limit block corresponding by joint and its contacts spacing, makes mechanical arm be level or vertical configuration; First robotic arm is fixed on ship board for rice transplanter or fuselage, and the end of last robotic arm is fixed with mechanical hand.
3. seedlings rice transplanting machine hand according to claim 2, is characterized in that: described motion has 4 robotic arms and 3 joints; The left and right sides of joint (6), joint (7) and joint (8) is all configured with buffer limit block; First robotic arm and robotic arm (1) are fixed on ship board for rice transplanter or fuselage, be connected by joint (6) between robotic arm (1) with robotic arm (2), when joint (6) are rotated counterclockwise, contact spacing by buffer limit block, robotic arm (1) and robotic arm (2) linear state, when joint (6) turn clockwise, contact spacing by buffer limit block, robotic arm (1) and robotic arm (2) are in vertical state; Be connected by joint (7) between robotic arm (2) with robotic arm (3), when being rotated counterclockwise in vertical state, linear state when turning clockwise; Robotic arm (3) is connected by joint (8) with between last robotic arm and robotic arm (4), when being rotated counterclockwise linearly, in vertical when turning clockwise.
4. seedlings rice transplanting machine hand according to claim 2, is characterized in that: the left and right sides of robotic arm (1), robotic arm (2) and robotic arm (3) is all fixed with more than one pulley; Directive wheel is fixed on ship board for rice transplanter or fuselage, and directive wheel is positioned in the middle part of driving wheel to the line of robotic arm (1) base, and with upper two side rollers of mechanical arm (1) on same vertical curve; The two ends of wirerope are separately fixed at the left and right sides of robotic arm (4), and pulley through robotic arm (1), robotic arm (2) and robotic arm (3) both sides and directive wheel suit are on the drive wheel; Driving wheel is fixed on the output shaft of drive motors, and with the pulley of mechanical arm (1) on same vertical plane; Drive motors is arranged on the below of robotic arm (1), and is fixed on ship board for rice transplanter or fuselage by back-moving spring.
5. seedlings rice transplanting machine hand according to claim 4, is characterized in that: pulley is Double-wheel structure.
CN201510392082.3A 2015-07-03 2015-07-03 Big seedling rice transplanting robotic hand Active CN105144939B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510392082.3A CN105144939B (en) 2015-07-03 2015-07-03 Big seedling rice transplanting robotic hand

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510392082.3A CN105144939B (en) 2015-07-03 2015-07-03 Big seedling rice transplanting robotic hand

Publications (2)

Publication Number Publication Date
CN105144939A true CN105144939A (en) 2015-12-16
CN105144939B CN105144939B (en) 2017-04-12

Family

ID=54786345

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510392082.3A Active CN105144939B (en) 2015-07-03 2015-07-03 Big seedling rice transplanting robotic hand

Country Status (1)

Country Link
CN (1) CN105144939B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1189329A (en) * 1997-09-17 1999-04-06 Yanmar Agricult Equip Co Ltd Transplanter
CN101306532A (en) * 2008-07-03 2008-11-19 南京农业大学 Plug seedlings transplanting device and transplanting manipulator thereof
CN201198136Y (en) * 2008-05-19 2009-02-25 昆明理工大学 Joint type convey robot
CN101524020A (en) * 2009-04-20 2009-09-09 浙江理工大学 Potted seedling clamper
CN103004348A (en) * 2012-12-28 2013-04-03 江苏大学 Seedling-taking tail-end electromagnetic actuator for automatic transplanting of plug seedlings
CN203112153U (en) * 2013-03-20 2013-08-07 浙江大北农农牧科技有限公司 Stacking mechanical arm
CN204733573U (en) * 2015-07-03 2015-11-04 华南农业大学 Da miao rice transplanter ware hand

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1189329A (en) * 1997-09-17 1999-04-06 Yanmar Agricult Equip Co Ltd Transplanter
CN201198136Y (en) * 2008-05-19 2009-02-25 昆明理工大学 Joint type convey robot
CN101306532A (en) * 2008-07-03 2008-11-19 南京农业大学 Plug seedlings transplanting device and transplanting manipulator thereof
CN101524020A (en) * 2009-04-20 2009-09-09 浙江理工大学 Potted seedling clamper
CN103004348A (en) * 2012-12-28 2013-04-03 江苏大学 Seedling-taking tail-end electromagnetic actuator for automatic transplanting of plug seedlings
CN203112153U (en) * 2013-03-20 2013-08-07 浙江大北农农牧科技有限公司 Stacking mechanical arm
CN204733573U (en) * 2015-07-03 2015-11-04 华南农业大学 Da miao rice transplanter ware hand

Also Published As

Publication number Publication date
CN105144939B (en) 2017-04-12

Similar Documents

Publication Publication Date Title
CN204640239U (en) A kind of flexible adaptive manipulator
CN107199573A (en) A kind of production line clamping workpiece manipulator
CN203245300U (en) Hydraulic cylinder up-and-down motion feeding mechanism driven by gear and rack
CN205526379U (en) Full automatization panel haulage equipment
CN107877534A (en) A kind of robot chela
CN204276727U (en) A kind of pot courage roll extrusion loading and unloading manipulator
CN102742408B (en) Vision-based cotyledon direction-adjustable seedling-grafting end actuator
CN105460090A (en) Track deformable robot mobile platform
CN204733573U (en) Da miao rice transplanter ware hand
CN205168674U (en) But track shape shifting robot moving platform based on slider -crank structure
CN205166918U (en) Portable pneumatic manipulator
CN110050566A (en) A kind of pulling mechanism of radish harvesting robot
CN106914889B (en) A kind of flexible arm bio-robot
CN105144939A (en) Big seedling rice transplanting robotic hand
CN206047985U (en) A kind of Jia Guan mechanisms
CN104025916A (en) Four-bar linkage driving green fence shaping and trimming mechanism
CN104842363A (en) Under-actuated three-joint finger with gear and rack transmission
CN202713940U (en) Cotyledon direction adjustable type seedling feeding end effector based on vision
CN107856016A (en) A kind of transfer robot
CN205699322U (en) A kind of shuttlecock automatic kicking apparatus
CN203675699U (en) Scion feeding, clamping and cutting device for grafting
CN205129889U (en) Novel welding robot's wrist drive mechanism
CN208716347U (en) A kind of automated machine clamping jaw
CN207927251U (en) A kind of fruit string picking mechanical arm end effector
CN202617672U (en) Movable seedling taking arm for seedling taking mechanism of potted seedling transplanter

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant