CN208285874U - A kind of fruit picking apparatus based on self-adapting flexible pawl - Google Patents

A kind of fruit picking apparatus based on self-adapting flexible pawl Download PDF

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Publication number
CN208285874U
CN208285874U CN201820975856.4U CN201820975856U CN208285874U CN 208285874 U CN208285874 U CN 208285874U CN 201820975856 U CN201820975856 U CN 201820975856U CN 208285874 U CN208285874 U CN 208285874U
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CN
China
Prior art keywords
flexible pawl
fruit
flexible
pawl
sliding block
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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
CN201820975856.4U
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Chinese (zh)
Inventor
牟泽辉
吴振宇
杨璐嘉
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Dalian University of Technology
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Dalian University of Technology
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Priority to CN201820975856.4U priority Critical patent/CN208285874U/en
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Publication of CN208285874U publication Critical patent/CN208285874U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model belongs to fruit picking apparatus technical field, it is related to a kind of fruit picking apparatus based on self-adapting flexible pawl, is mainly made of flexible pawl, flexible pawl mounting base, connecting rod, sliding block, flexible pawl pedestal, motor upper mounting seat, motor, motor lower mounting seat, sleeve block, axle sleeve, handle base, handle and picking telescopic rod.When pressing or unclamping handle, power is conducted to by sliding block by steel wire, slides up and down sliding block;It is connect by three connecting rods with attachment base on sliding block, the linear motion of sliding block is converted to the rotational motion of attachment base by connecting rod, and then is realized the tightening of gripper and loosened;When flexible pawl generates extruding to fruit when grabbing fruit, fruit outer surface generates active force for flexible pawl inner surface, due to the presence of fin ray effect, flexible pawl can curve inwardly, so that flexible gripper inner wall is fitted in fruit outer surface to the full extent, extruding force is uniformly distributed to the entire outer surface of fruit.The quality of the simple portable and certifiable pulp pericarp of the utility model.

Description

A kind of fruit picking apparatus based on self-adapting flexible pawl
Technical field
The invention belongs to fruit picking apparatus technical fields, are related to a kind of fruit picking apparatus based on self-adapting flexible pawl.
Background technique
China is the first big country of world's Fruits production.As reform and opening-up deepens continuously, Chinese fruit industry has been obtained rapidly Development, extensive planting fruit trees have become reality.China is vast in territory, and climate difference is very big, and the fruit of plantation is varied. It is very gentle hills, hillside that the growth characteristics of fruit tree, which determine that part kind fruit field has focused largely on topography not,.The above reason Result in large-scale mechanization, automation fruit picking is unable to get effective application.And it manually picks and generally requires by ladder The equipment such as son, picker cause picking efficiency often lower, the hidden danger also fallen with personnel.
Existing device for picking main problem has the following: large-scale mechanization, automation equipment do not meet the national conditions of China, Orchard worker is difficult to bear its high cost;Small-sized gripper structure generally uses rigid structure, it is difficult to ensure that not damaging fruit The picking to different size fruit is completed in the case where skin.
Summary of the invention
The present invention in view of the above technical problems, proposes a kind of fruit picking apparatus based on self-adapting flexible pawl, passes through uniqueness Self-adapting flexible pawl, can make to complete the picking to different size fruit in the case where orchard worker's not installation and debugging, and guarantee The pulp pericarp quality of fruit, orchard worker can complete the picking to fruit not receiving Special Training, single one hand, with solution Current fruit picking certainly described in background technology there are the problem of.
Technical solution of the present invention:
A kind of fruit picking apparatus based on self-adapting flexible pawl, mainly by flexible pawl 1, flexible pawl mounting base 2, connecting rod 3, cunning Block, spring 4, flexible pawl pedestal 5, motor upper mounting seat 6, motor 7, motor lower mounting seat 8, sleeve block 9, axle sleeve 14, handle base 15, handle 16 and picking telescopic rod 17 form;
Totally 3, the Λ type structure of more crossbeams is equipped with for centre for the flexible pawl 1, two grippers of flexible pawl 1 Bottom is equipped with attachment base, and gripper bottom is wedge-shaped projection inwardly, for gripper to be buckled in attachment base, prevents flexible pawl 1 It falls off;Two grippers of flexible pawl 1 are separately mounted on flexible pawl mounting base 2 and sliding block;The table of the flexible pawl 1 contacted with fruit Face is equipped with chevron shaped flexible raised, component direction phase of the projection direction with stress when fruit picking on the surface of flexible pawl 1 Instead, increase the frictional force during crawl;
The flexible pawl mounting base 2, upper surface are equipped with three groups of equally distributed protrusions, and every group there are two protrusions, use In the attachment base for connecting flexible pawl 1;One gripper of flexible pawl 1 is dashed forward by one group that attachment base is mounted on flexible pawl mounting base 2 On rising, to support and fix flexible pawl 1;Attachment base is connect with the protrusion of flexible pawl mounting base 2 by nut a10 and screw a11, Attachment base is rotated around the protrusion of flexible pawl mounting base 2;
The flexible pawl pedestal 5 is equipped with therebetween three uniformly distributed guide rails positioned at the lower section of flexible pawl mounting base 2, Uniformly distributed through-hole there are three setting on sliding block, is mounted on three guide rails by through-hole, makes sliding block in flexible pawl pedestal 5 and flexible pawl It is moved up and down between mounting base 2, flexible pawl pedestal 5 and flexible pawl mounting base 2 are connected as one by guide rail;The side periphery of sliding block Uniformly distributed 3 groups of protrusions, every group there are two protrusions, for fixing connecting rod 3;Another gripper of flexible pawl 1 through attachment base and passes through spiral shell Female a10, screw a11 are connect with one end of connecting rod 3, and the other end of connecting rod 3 passes through prominent on nut a10 and screw a11 and sliding block Play connection;The central axis of flexible pawl pedestal 5 is equipped with spring 4, spring 4 and sliding block following table face contact;Connecting rod 3 will be above and below sliding block Linear motion is changed into the rotational motion of gripper, realizes the crawl to fruit;
The motor upper mounting seat 6 is mounted on the lower surface of flexible pawl pedestal 5 by screw b12, under the motor Mounting base 8 is mounted on the upper surface of sleeve block 9 by screw c13, installs between motor upper mounting seat 6 and motor lower mounting seat 8 There is motor 7, motor 7 drives flexible pawl 1 to rotate around center axis;
The picking telescopic rod 17 is telescopic rod, is made of the bar of two different-diameters, fixes two by locking device The relative position of root bar;Described 9 sets of sleeve block are being picked the upper end of telescopic rod 17 and are being screwed;The handle base 15 are mounted on the lower end of picking telescopic rod 17 by screw d18 and nut b19, realize handle base 15 on picking telescopic rod 17 Rotation;The handle 16 is mounted on handle base 15 by pin, and handle 16 is connected by steel wire with sliding block, to control sliding block Up and down motion;It is cased with axle sleeve 14 outside steel wire, limits the movement of steel wire.
The axle sleeve 14 is fabricated from a flexible material.
The motor 7 is hollow shaft motor, and steel wire passes through motor from central axes and connect with sliding block.
The lower surface of the sliding block and the upper surface of flexible pawl pedestal 5 are equipped with spring groove, with fixed spring 4.
The spring 4, is replaced according to the size of fruit, to meet flexible pawl 1 to needed for different size of fruit The requirement of the permitted pressure of the fruit of the rotation angle and different hardness wanted.
In use, power is conducted to sliding block by steel wire, makes sliding block at three when user presses or unclamps handle 16 It is slided up and down under the effect of contraction of guide rail.It is connect by three connecting rods 3 with attachment base on sliding block, connecting rod 3 transports the straight line of sliding block Turn is changed to the rotational motion of attachment base, and then realizes the tightening of gripper and loosen;When flexible pawl 1 is when grabbing fruit pair Fruit generates extruding, and fruit outer surface generates active force, due to the presence of fin ray effect, flexible pawl 1 for flexible 1 inner surface of pawl It can curve inwardly, flexible gripper inner wall is made to be fitted in fruit outer surface to the full extent in this way, extruding force is uniformly dispersed To the entire outer surface of fruit.
Compared with prior art, the beneficial effects of the present invention are:
(1) relatively large-scale mechanical picking device, Telescopic rod structure of the invention is simply portable, convenient for users to taking with oneself Band.
(2) smaller fruit picking apparatus, adaptive flexible pawl can be fitted in fruit outer surface, by extruding force It is uniformly distributed to the entire outer surface of fruit, guarantees the quality of pulp pericarp.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is fin ray effect principle schematic diagram of the invention;
Fig. 3 is flexible pawl schematic diagram of the invention;
Fig. 4 is handle schematic diagram of the invention.
In figure: 1 flexible pawl;2 flexible pawl mounting bases;3 connecting rods;4 springs;5 flexible pawl pedestals;6 motor upper mounting seats;7 electricity Machine;8 motor lower mounting seats;9 sleeve blocks;10 nut a;11 screw a;12 screw b;13 screw c;14 axle sleeves;15 handle bases;16 Hand;17 picking telescopic rods;18 screw d;19 nut b.
Specific embodiment
Below in conjunction with attached drawing and technical solution, a specific embodiment of the invention is further illustrated.
As shown in Figure 1, a kind of fruit picking apparatus based on self-adapting flexible pawl, mainly by flexible pawl 1, flexible pawl mounting base 2, connecting rod 3, sliding block, flexible pawl pedestal 5, motor upper mounting seat 6, motor 7, motor lower mounting seat 8, sleeve block 9, axle sleeve 14, Hand seat 15, handle 16 and picking telescopic rod 17 form;
3 flexible pawls 1 are specifically included, an attachment base is respectively provided under each gripper, the attachment base of one of gripper connects It connects in the upper surface of flexible pawl mounting base 2;There are three pairs six protrusions for being used to be fixedly mounted attachment base in flexible pawl mounting base 2, It is mutually 120 degree to be uniformly distributed, be fixed by nut a10 and screw a11 with attachment base, each attachment base can be around flexible pawl mounting base Protrusion rotation on 2;The attachment base of another gripper is connect by connecting rod 3 with sliding block;Have on sliding block circumference be mutually 120 degree it is uniform 3 through-holes of distribution, inside pass through three guide rails;3 guide rails are connect with flexible pawl mounting base 2 and flexible pawl pedestal 5, for limiting Sliding block moves up and down;Flexible 5 central axis of pawl pedestal is equipped with spring 4, and 4 other end of spring is close to sliding block lower surface;Flexible pawl Motor 7 is equipped between pedestal 5 and sleeve block 9, motor 7 can drive flexible pawl 1 to rotate around center axis;Pass through screw at the top of motor 7 It is detachably connected in motor upper mounting seat 6, bottom is detachably connected in motor lower mounting seat 8 by screw;Motor installation Seat 6,8 is removably installed between flexible pawl pedestal 5 and sleeve block 9 by screw b12 and screw c13 respectively;9 sets of sleeve block exists It is fixed on picking 17 one end of telescopic rod and with screw, the other end of picking telescopic rod 17 is equipped with handle 16;Handle 16 passes through Pin is mounted on handle base 15, and handle 16 is connected by steel wire with sliding block, and handle 16 controls the upper and lower of sliding block by steel wire Movement;Handle base 15 is mounted on picking telescopic rod 17 by screw d18, nut b19;
Axle sleeve 14 made of flexible material is equipped with around the steel wire appearance;
The motor 7 is hollow shaft motor, can permit steel wire and passes through motor 7 from central axes and connect with sliding block;
The spring 4 is won according to the replaceable corresponding model of the types of fruits won with facilitating.
As shown in figure 3, flexible pawl 1 is deformation fin ray structure, flexible 1 bottom of pawl devises wedge-shaped projection, can be buckled in Inside attachment base, flexible pawl 1 is effectively avoided to fall off;The surface of the flexible pawl 1 contacted with fruit devise it is chevron shaped flexible raised, Component of its projection direction with stress when fruit picking on flexible 1 surface of pawl is contrary, can increase during grabbing Frictional force.
The structure of handle 16 is as shown in Figure 4.
When hand handle 16 is pressed, steel wire is pulled, and is moved downward under the constraint of guide rail with movable slider, sliding block passes through company Bar 3 drives flexible pawl 1 to rotate, so that 3 flexible pawls open, when hand handle 16 is unclamped, sliding block is gone to the bottom due to being located at sliding block Upper end position (close to flexibility pawl mounting base 2) under the action of the spring 4 in face in guide rail, 3 flexible pawls 1 are in closed state, Catch target fruit (such as Fig. 2);It is soft due to the presence of fin ray effect since flexible pawl 1 is when being given its a side force by fruit Property pawl 1 can curve inwardly, be bonded the outer surface of target fruit, reduce damage to target fruit body;The rotation of motor 7 simultaneously passes through band Dynamic flexibility pawl 1 rotates so that the rotation of target fruit, twists off carpopodium.When continuing squeeze grip 16, sliding block will be moved downward, and 3 soft Property pawl 1 restore open configuration, target fruit can be removed.

Claims (8)

1. a kind of fruit picking apparatus based on self-adapting flexible pawl, which is characterized in that mainly by flexible pawl (1), flexible pawl installation Seat (2), connecting rod (3), sliding block, spring (4), flexible pawl pedestal (5), motor upper mounting seat (6), motor (7), motor lower mounting seat (8), sleeve block (9), axle sleeve (14), handle base (15), handle (16) and picking telescopic rod (17) composition;
Totally 3, the Λ type structure of more crossbeams is equipped with for centre for the flexible pawl (1), two grippers of flexible pawl (1) Bottom is equipped with attachment base, and gripper bottom is wedge-shaped projection inwardly, for gripper to be buckled in attachment base, prevents flexible pawl (1) it falls off;Two grippers of flexible pawl (1) are separately mounted on flexible pawl mounting base (2) and sliding block;The flexibility contacted with fruit The surface of pawl (1) is equipped with chevron shaped flexible raised, and projection direction and stress when fruit picking are on the surface of flexible pawl (1) Component is contrary, increases the frictional force during crawl;
The flexible pawl mounting base (2), upper surface are equipped with three groups of equally distributed protrusions, and every group there are two protrusions, are used for Connect the attachment base of flexible pawl (1);One gripper of flexible pawl (1) is mounted on the one of flexible pawl mounting base (2) by attachment base In group protrusion, to support and fix flexible pawl (1);The protrusion of attachment base and flexible pawl mounting base (2) passes through nut a (10) and spiral shell Silk a (11) is connected, and attachment base is rotated around the protrusion of flexible pawl mounting base (2);
The flexible pawl pedestal (5) is located at the lower section of flexible pawl mounting base (2), is equipped with three uniformly distributed guide rails therebetween, Uniformly distributed through-hole there are three setting on sliding block, is mounted on three guide rails by through-hole, makes sliding block in flexible pawl pedestal (5) and flexibility Pawl mounting base moves up and down between (2), and flexible pawl pedestal (5) and flexible pawl mounting base (2) are connected as one by guide rail;Sliding block Side periphery is evenly distributed with 3 groups of protrusions, and every group there are two protrusions, for fixing connecting rod (3);Another gripper of flexible pawl (1) is through even Joint chair is simultaneously connect by nut a (10), screw a (11) with one end of connecting rod (3), and the other end of connecting rod (3) passes through nut a (10) It is connect with screw a (11) with the protrusion on sliding block;The central axis of flexible pawl pedestal (5) is equipped with spring (4), spring (4) and cunning Block following table face contact;The linear motion up and down of sliding block is changed into the rotational motion of gripper by connecting rod (3), and fruit is grabbed in realization It takes;
The motor upper mounting seat (6) is mounted on the lower surface of flexible pawl pedestal (5), the motor by screw b (12) Lower mounting seat (8) is mounted on the upper surface of sleeve block (9), motor upper mounting seat (6) and motor lower mounting seat by screw c (13) (8) it is equipped between motor (7), motor (7) drives flexible pawl (1) to rotate around center axis;
The picking telescopic rod (17) is telescopic rod, is made of the bar of two different-diameters, fixes two by locking device The relative position of bar;The sleeve block (9) covers the upper end in picking telescopic rod (17) and is screwed;The handle Seat (15) is mounted on the lower end of picking telescopic rod (17) by screw d (18) and nut b (19), realizes that handle base (15) are being picked Rotation on telescopic rod (17);The handle (16) is mounted on handle base (15) by pin, handle (16) by steel wire with Sliding block is connected, to control the up and down motion of sliding block;It is cased with axle sleeve (14) outside steel wire, limits the movement of steel wire.
2. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 1, which is characterized in that the axis Set (14) is fabricated from a flexible material.
3. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 1 or 2, which is characterized in that described Motor (7) be hollow shaft motor, steel wire passes through motor from central axes and connect with sliding block.
4. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 1 or 2, which is characterized in that described The lower surface of sliding block and the upper surface of flexible pawl pedestal (5) be equipped with spring groove, with fixed spring (4).
5. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 3, which is characterized in that the cunning The lower surface of block and the upper surface of flexible pawl pedestal (5) are equipped with spring groove, with fixed spring (4).
6. a kind of according to claim 1, fruit picking apparatus based on self-adapting flexible pawl described in 2 or 5, which is characterized in that institute The spring (4) stated is replaced according to the size of fruit, is rotated with meeting flexible pawl (1) to required for different size of fruit The requirement of the permitted pressure of the fruit of angle and different hardness.
7. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 3, which is characterized in that the bullet Spring (4) is replaced according to the size of fruit, with the flexible pawl (1) of satisfaction to rotation angle required for different size of fruit and not With the requirement of the permitted pressure of fruit of hard.
8. a kind of fruit picking apparatus based on self-adapting flexible pawl according to claim 4, which is characterized in that the bullet Spring (4) is replaced according to the size of fruit, with the flexible pawl (1) of satisfaction to rotation angle required for different size of fruit and not With the requirement of the permitted pressure of fruit of hard.
CN201820975856.4U 2018-06-19 2018-06-19 A kind of fruit picking apparatus based on self-adapting flexible pawl Expired - Fee Related CN208285874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820975856.4U CN208285874U (en) 2018-06-19 2018-06-19 A kind of fruit picking apparatus based on self-adapting flexible pawl

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Application Number Priority Date Filing Date Title
CN201820975856.4U CN208285874U (en) 2018-06-19 2018-06-19 A kind of fruit picking apparatus based on self-adapting flexible pawl

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108811743A (en) * 2018-06-19 2018-11-16 大连理工大学 A kind of fruit picking apparatus based on self-adapting flexible pawl
CN110663360A (en) * 2019-11-19 2020-01-10 北京林业大学 Fruit picking device
CN114916317A (en) * 2022-05-09 2022-08-19 华南理工大学 Multi-connecting-rod fruit picking manipulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108811743A (en) * 2018-06-19 2018-11-16 大连理工大学 A kind of fruit picking apparatus based on self-adapting flexible pawl
CN108811743B (en) * 2018-06-19 2023-12-15 大连理工大学 Fruit picker based on self-adaptive flexible claw
CN110663360A (en) * 2019-11-19 2020-01-10 北京林业大学 Fruit picking device
CN110663360B (en) * 2019-11-19 2022-07-12 北京林业大学 Fruit picking device
CN114916317A (en) * 2022-05-09 2022-08-19 华南理工大学 Multi-connecting-rod fruit picking manipulator

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20181228

Termination date: 20200619