CN210130144U

CN210130144U - Fruit picking device

Info

Publication number: CN210130144U
Application number: CN201920797859.8U
Authority: CN
Inventors: 张孝林; 赵鹏程
Original assignee: Xian Aeronautical University
Current assignee: Xian Aeronautical University
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-10
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a fruit picker, which comprises a grabbing component, a main rod component and a control component for controlling the grabbing component to open and close; the grabbing component comprises a claw head, a net bag, a claw seat, a plane chuck and a chuck seat; the main rod assembly comprises a first main rod, a second main rod, a third main rod, a fourth main rod, a telescopic rod, a locking device, a first fixed pulley block and a second fixed pulley block; the control assembly comprises a handle, a handle seat, a first pull wire, a second pull wire, a ratchet wheel and a turnbuckle. The utility model discloses a pure mechanical structure, low cost can be according to fruit size adjustment claw head, can be according to the length of the ware is picked in the position adjustment of fruit moreover, easy operation not only, protection fruit that again can be better.

Description

Fruit picking device

Technical Field

The utility model belongs to the technical field of fruit is picked, specifically relate to a fruit picking device.

Background

The fruit picker is a device designed aiming at the problems of insufficient labor force and large labor capacity in the fruit planting industry nowadays, improves the picking efficiency and is convenient to use. For traditional manual picking, the picking difficulty can be greatly increased by too high fruit positions on fruit trees, the safety of pickers can be threatened even, and the fruit picker can be transported as soon as possible.

However, the claw head of the fruit picker in the prior art is not adjustable, so that a user is inconvenient to pick fruits with different volumes. If the fruits with larger fruit diameters are forcibly used, the surfaces of the fruits are often damaged in the picking process, and unnecessary economic loss is brought; moreover, the length and the angle of the picking rod can not be adjusted according to actual needs in the existing picking device, so that the use effect is not good in practical application, and the picking rod is inconvenient to popularize and use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the above-mentioned prior art, provide a fruit picker, it adopts pure mechanical type structure, and low cost can be according to the size adjustment claw head size of fruit, can adjust the length and the angle of picking rod moreover according to the position of fruit, and easy operation simultaneously, protection fruit that can be better.

In order to achieve the above object, the utility model adopts the following technical scheme: a fruit picker which is characterized in that: the fruit picking device comprises a picking assembly, a main rod assembly and a control assembly, wherein the picking assembly is arranged at one end of the main rod assembly and is used for picking fruits, and the control assembly is arranged at the other end of the main rod assembly and is used for controlling the opening and closing of the picking assembly; the grabbing component comprises claw heads, net bags, claw seats, a plane chuck and a chuck seat, wherein the number of the claw heads is at least two, the number of the claw heads is equal to that of the net bags, every two adjacent net bags are hung between the side parts of the claw heads, the lower part of each claw head is hinged with the upper part of each claw seat, springs are arranged between the lower ends of the claw heads and the corresponding claw seats, the upper ends and the lower ends of the springs are respectively connected with the claw heads and the claw seats, a plurality of protruding parts are arranged at the bottoms of the claw seats, plane threads with spiral line structures are arranged on the upper surfaces of the plane chucks, the protruding parts are meshed with the plane threads, guide plates are radially arranged on the two sides of each claw seat along the plane chuck, clamping grooves are formed in the inner sides of the guide plates along the horizontal direction, first sliding blocks are respectively arranged on the two sides of the claw seats along the horizontal direction, and are slidably arranged in the, the top center of chuck seat sets up first boss, the deflector is close to the one end of first boss and the top fixed connection of first boss, the center of plane chuck is provided with the round hole, the plane chuck cover is established outside first boss and the chuck seat rotation relatively of plane chuck.

The above-mentioned mobile jib subassembly includes first mobile jib, second mobile jib, third mobile jib, fourth mobile jib, telescopic link, latch device, first crown block and second crown block, the one end of first mobile jib is provided with the screw thread, the one end of first mobile jib is passed through the screw thread and is connected with the one end of second mobile jib, the other end of second mobile jib is articulated through first bolt with the one end of third mobile jib, the other end of third mobile jib passes through second bolt with the one end of fourth mobile jib and articulates, the other end of fourth mobile jib stretches into in the one end of telescopic link, latch device sets up on the telescopic link and is used for locking telescopic link and fourth mobile jib, the middle part at first bolt is installed to first crown block, the middle part at the second bolt is installed to the second crown block, the other end of first mobile jib and the bottom fixed connection of chuck seat.

The second fixed pulley block and the first fixed pulley block are identical in structure and equal in size, the first fixed pulley block comprises a shell, the shell is of a hollow cylindrical structure, two openings are symmetrically formed in the side portion of the shell, two pulley shafts are symmetrically arranged at the openings, fixed pulleys are rotatably mounted on the pulley shafts, and gaps are reserved between the two fixed pulleys at the openings.

Four threading holes which are equal in size and are symmetrically arranged in pairs are formed in the middle of the first bolt, and the second bolt and the first bolt are identical in structure.

Above-mentioned locking device includes set bar, hasp, mount pad, first round pin axle and locking axle, mount pad fixed mounting is on the lateral wall of telescopic link, the rotation end of hasp is the font structure of falling U, the rotation end of hasp rotates through first round pin axle and mount pad to be connected, the locking axle sets up in the rotation end of hasp, the both ends of locking axle respectively with the rotation of hasp end two inboard fixed connection, the upper end of set bar and the middle part fixed connection of locking axle, the fourth mobile jib is hollow rod and top and is provided with the spout along the axial, the top of telescopic link is provided with the through-hole that supplies the set bar to pass, the lower extreme of set bar passes through-hole and spout and tip in proper order and is provided with locking portion, locking portion joint is in spout department.

The control component comprises a handle, a handle seat, a first pull wire, a second pull wire, a winder and a turnbuckle, wherein one end of the handle is hinged with the middle part of the handle seat, the bottom of the handle seat is fixedly connected with the outer wall of the telescopic rod, one end of the first pull wire is connected with the handle, the other end of the first pull wire sequentially passes through a gap between two fixed pulleys at an opening at one side of the second fixed pulley block, two opposite threading holes on the second bolt, a gap between two fixed pulleys at an opening at the other side of the second fixed pulley block, the inside of the third main rod, a gap between two fixed pulleys at an opening at one side of the first fixed pulley block, two opposite threading holes on the first bolt, a gap between two fixed pulleys at an opening at the other side of the first fixed pulley block and one end of the turnbuckle after the inside of the second main rod are wound for a plurality of circles, the other end of the turn-buckle is connected with one end of a second stay wire, the other end of the second stay wire penetrates through the center of the chuck seat and then is divided into wire ends with the same number as the claw heads, each wire end is connected with one claw head, and the turn-buckle is arranged inside the first main rod.

The winder comprises a winding reel, a ratchet wheel, a pawl, two sliding blocks, a first supporting rod, a second supporting rod, a third supporting rod and a second pin shaft, wherein the first supporting rod and the second supporting rod are arranged in parallel, two ends of the third supporting rod are fixedly connected with one end of the first supporting rod and one end of the second supporting rod respectively, the third supporting rod is perpendicular to the first supporting rod and the second supporting rod, the middle part of the third supporting rod is fixedly connected with a handle seat, the middle part of the first supporting rod is provided with a square hole along the length direction of the first supporting rod, the upper side and the lower side of the square hole are provided with square grooves along the length direction of the first supporting rod, the second supporting rod and the first supporting rod are equal in size and same in structure, the number of the second sliding blocks is two, each second sliding block is a square sliding block, the upper side and the lower side of the second sliding block are provided with second bosses, the two second sliding blocks are arranged in the square grooves of the first supporting rod and, every the lateral part of second slider all is provided with the spiral shaft hole, the both ends of hank pass two spiral shaft holes respectively and rotate and set up downthehole at the hank, ratchet quantity is two ratchet and respectively fixed mounting at the both ends of hank, pawl quantity is two and two pawls articulate the outside at two second sliders and the ratchet cooperation that corresponds through second round pin axle respectively, first acting as go-between twines on the hank.

The claw heads are rubber claw heads, and the net bag is a flexible fiber net bag.

The number of the claw heads and the net bags is three.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses all adopt pure mechanical type structure, low cost easily uses widely.

2. The utility model discloses a string bag is hung in two adjacent claw head clearances to many claw head, the design of string bag, string bag and claw head quantity phase-match, but the user withdraws after stretching out and filling fruit with a plurality of string bags behind the picker, save time raises the efficiency.

3. The utility model discloses a design with adjustable claw head, the user can rotate the adjustable claw head size of plane chuck that snatchs on the subassembly according to the size of fruit, avoids causing the damage because of the claw head is too little to fruit, more can satisfy the actual need of picking the in-process.

4. The utility model discloses a mobile jib subassembly structure of multi-rod combination, it is articulated through first bolt between second mobile jib and the third mobile jib, it is articulated through the second bolt between third mobile jib and the fourth mobile jib, the user can utilize the angle of first bolt and second bolt mobile jib according to the position of fruit.

5. The utility model discloses a mobile jib subassembly with flexible function, the user can stretch out and draw back to the mobile jib spare according to the height of fruit.

6. The utility model discloses the claw head adopts rubber materials to make, can guarantee to pick high efficiency, also can prevent to bring the loss to the fruit surface at the picking in-process to avoid economic loss.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the installation relationship of the plane chuck, the claw seat, the claw head and the net bag of the present invention.

Fig. 3 is a schematic view of the installation relationship of the first main rod, the chuck base, the plane chuck, the claw base, the claw head and the guide plate of the present invention.

Fig. 4 is a perspective view of the first fixed pulley block and the second fixed pulley block of the present invention.

Fig. 5 is a sectional view of the first and second fixed pulley blocks of the present invention.

Fig. 6 is a perspective view of the first bolt and the second bolt of the present invention.

Fig. 7 is a perspective view of the locking device, the fourth main rod and the telescopic rod of the present invention.

Fig. 8 is a front view of the installation relationship of the locking device, the fourth main rod and the telescopic rod of the present invention.

Fig. 9 is a sectional view a-a of fig. 8.

Fig. 10 is a front view showing the installation relationship between the reel and the handle holder according to the present invention.

Fig. 11 is a perspective view showing the vertical installation relationship between the reel and the handle holder according to the present invention.

Description of reference numerals:

1-paw head; 1-2-tuck net; 1-3-jaw seat;

1-4-plane chuck; 1-5-chuck base; 1-6-spring;

1-7-a boss; 1-8-plane threads; 1-9-a guide plate;

1-10-card slot; 1-11 — a first slider; 1-12 — a first boss;

1-13-round hole; 2-1 — a first boom; 2-second main rod;

2-3-third main pole; 2-4-the fourth main rod; 2-5, a telescopic rod;

2-6-locking device; 2-7-a first fixed pulley group; 2-8-a second fixed pulley group;

2-9 — first bolt; 2-10-second bolt; 2-11-threads;

2-12-latches; 2-13-locking; 2-14-mounting seat;

2-15-first pin; 2-16-locking shaft; 2-17-runner;

2-18-locking part; 2-19-pulley shaft; 2-20-fixed pulley;

2-21-housing; 2-22-opening; 2-23-threading hole;

2-24-clearance; 2-25-through holes; 3-1-handle;

3-2-handle seat; 3-a first pull wire; 3-4-a second pull wire;

3-5-reel; 3-6-turnbuckle; 3-7-a spool;

3-8-ratchet wheel; 3-9-pawl; 3-10-winding shaft hole;

3-11 — second slider; 3-12-a second pin shaft; 3-13-a first strut;

3-14-second strut; 3-15-third strut; 3-16-square hole;

3-17-square groove; 3-18-second boss.

Detailed Description

As shown in fig. 1 to 3, the utility model comprises a gripping assembly, a main rod assembly and a control assembly, wherein the gripping assembly is installed at one end of the main rod assembly and is used for gripping fruits, and the control assembly is installed at the other end of the main rod assembly and is used for controlling the gripping assembly to open and close; the grabbing component comprises three claw heads 1-1, three net bags 1-2, three claw seats 1-3, a plane chuck 1-4 and chuck seats 1-5, wherein one net bag 1-2 is hung between the side parts of every two adjacent claw heads 1-1, the lower part of each claw head 1-1 is hinged with the upper part of the corresponding claw seat 1-3, a spring 1-6 is arranged between the lower end of each claw head 1-1 and the corresponding claw seat 1-3, the upper end and the lower end of the spring 1-6 are respectively connected with the claw head 1-1 and the claw seat 1-3, a plurality of bulges 1-7 are arranged at the bottom of each claw seat 1-3, plane threads 1-8 with a spiral line structure are arranged on the upper surface of the plane chuck 1-4, the bulges 1-7 are meshed with the plane threads 1-8, two sides of each claw seat 1-3 are provided with guide plates 1-9 along the radial direction of the plane chuck 1-4, the inner sides of the guide plates 1-9 are provided with clamping grooves 1-10 along the horizontal direction, the two sides of the claw seat 1-3 are respectively provided with a first sliding block 1-11 along the horizontal direction, the first sliding block 1-11 is arranged in the clamping groove 1-10 in a sliding manner, the center of the top of the chuck seat 1-5 is provided with a first boss 1-12, one end of the guide plate 1-9 close to the first boss 1-12 is fixedly connected with the top of the first boss 1-12, the center of the plane chuck 1-4 is provided with a round hole 1-13, the plane chuck 1-4 is sleeved outside the first boss 1-12, and the plane chuck 1-4 can rotate relative to the chuck seat 1-5.

A user rotates the plane chuck 1-4 to enable the protrusions 1-7 to drive the claw seats 1-3 to move along the plane threads 1-8, meanwhile, the guide plates 1-9 limit the claw seats 1-3 to move only along the radial direction of the plane chuck 1-4, so that the three claw seats 1-3 drive the three claw heads 1-1 to move away from or towards each other at the same time, and the purpose of adjusting the sizes of the claw heads 1-1 can be achieved.

As shown in fig. 1, the main rod assembly includes a first main rod 2-1, a second main rod 2-2, a third main rod 2-3, a fourth main rod 2-4, an expansion link 2-5, a locking device 2-6, a first fixed pulley block 2-7 and a second fixed pulley block 2-8, one end of the first main rod 2-1 is provided with a thread 2-11, one end of the first main rod 2-1 is connected with one end of the second main rod 2-2 through the thread 2-11, the other end of the second main rod 2-2 is hinged with one end of the third main rod 2-3 through a first bolt 2-9, the other end of the third main rod 2-3 is hinged with one end of the fourth main rod 2-4 through a second bolt 2-10, and the other end of the fourth main rod 2-4 extends into one end of the expansion link 2-5, the locking device 2-6 is installed on the outer side wall of the telescopic rod 2-5 and used for locking the telescopic rod 2-5 and the fourth main rod 2-4, the first fixed pulley block 2-7 is installed in the middle of the first bolt 2-9, the second fixed pulley block 2-8 is installed in the middle of the second bolt 2-10, and the first main rod 2-1 is fixedly connected with the chuck seat 1-5.

As shown in fig. 7 to 9, the locking device 2-6 includes a lock bolt 2-12, a lock catch 2-13, an installation seat 2-14, a first pin shaft 2-15 and a locking shaft 2-16, the installation seat 2-14 is fixedly installed on the outer side wall of the telescopic rod 2-5, the rotating end of the lock catch 2-13 is in an inverted U-shaped structure, the rotating end of the lock catch 2-13 is rotatably connected with the installation seat 2-14 through the first pin shaft 2-15, the locking shaft 2-16 is arranged in the rotating end of the lock catch 2-13, two ends of the locking shaft 2-16 are respectively fixedly connected with two inner sides of the rotating end of the lock catch 2-13, the upper end of the lock bolt 2-12 is fixedly connected with the middle part of the locking shaft 2-16, the fourth main rod 2-4 is a hollow rod, and the top of the fourth main rod is provided with a sliding groove 2-17 along, the top of the telescopic rod 2-5 is provided with a through hole 2-25 for the lock bolt 2-12 to pass through, the lower end of the lock bolt 2-12 sequentially passes through the through hole 2-25 and the sliding groove 2-17, the end part of the lock bolt is provided with a locking part 2-18, and the locking part 2-18 is clamped at the sliding groove 2-17.

A user lifts the lock catch 2-13 upwards to enable the locking shaft 2-16 to rotate around the first pin shaft 2-15, meanwhile, the locking shaft 2-16 drives the lock bolt 2-12 to move downwards to enable the locking part 2-18 to be separated from the inner wall of the fourth main rod 2-4, and the fourth main rod 2-4 and the telescopic rod 2-5 can slide relatively to achieve the purpose of telescopic extension of the main rod assembly; on the contrary, after the user takes a proper rod length, the fourth main rod 2-4 and the telescopic rod 2-5 can be fixed at the relative positions by pressing the lock catch 2-13.

As shown in fig. 4 and 5, the second fixed pulley block 2-8 and the first fixed pulley block 2-7 have the same structure and the same size, the first fixed pulley block 2-7 includes a housing 2-21, the housing 2-21 is a hollow cylindrical structure, two openings 2-22 are symmetrically formed on the side of the housing 2-21, two pulley shafts 2-19 are symmetrically formed at each opening 2-22, fixed pulleys 2-20 are rotatably mounted on the pulley shafts 2-19, and a gap 2-24 is left between the two fixed pulleys 2-20 at each opening 2-22.

As shown in fig. 6, four wire passing holes 2-23 which are equal in size and are symmetrically arranged in pairs are formed in the middle of the first bolt 2-9, and the second bolt 2-10 and the first bolt 2-9 have the same structure.

As shown in fig. 1, 3, 10 and 11, the control assembly includes a handle 3-1, a handle holder 3-2, a first pull wire 3-3, a second pull wire 3-4, a reel 3-5 and a turnbuckle 3-6, the reel 3-5 includes a spool 3-7, a ratchet 3-8, a pawl 3-9, a second slider 3-11, a first rod 3-13, a second rod 3-14, a third rod 3-15 and a second pin 3-12, the first rod 3-13 and the second rod 3-14 are arranged in parallel, two ends of the third rod 3-15 are respectively fixedly connected with one end of the first rod 3-13 and one end of the second rod 3-14, and the third rod 3-15 is perpendicular to both the first rod 3-13 and the second rod 3-14, the middle part of the third support rod 3-15 is fixedly connected with the handle seat 3-2, the middle part of the first support rod 3-13 is provided with a square hole 3-16 along the length direction, the upper side and the lower side of the inside of the square hole 3-16 are respectively provided with a square groove 3-17 along the length direction of the first support rod 3-13, the second support rod 3-14 and the first support rod 3-13 have the same size and structure, the number of the second sliding blocks 3-11 is two, each second sliding block 3-11 is a square sliding block, the upper side and the lower side of each second sliding block are provided with second bosses 3-18, the two second sliding blocks 3-11 are respectively arranged in the square grooves 3-17 of the first support rod 3-13 and the second support rod 3-14 in a sliding manner through the second bosses 3-18, the side part of each second sliding block 3-11 is provided with a winding shaft hole 3-10, two ends of the winding shaft 3-7 respectively penetrate through the two winding shaft holes 3-10 and are rotatably arranged in the winding shaft holes 3-10, the number of the ratchet wheels 3-8 is two, the ratchet wheels are respectively and fixedly arranged at two ends of the winding shaft 3-7, the number of the pawls 3-9 is two, the pawls are respectively hinged to the outer sides of the two second sliding blocks 3-11 through second pin shafts 3-12 and are matched with the corresponding ratchet wheels 3-8, and the first pull wire 3-3 is wound on the winding shaft 3-7.

One end of the handle 3-1 is hinged with the middle of the handle seat 3-2, the bottom of the handle seat 3-2 is fixedly connected with the outer side of the telescopic rod 2-5, one end of the first pull wire 3-3 is connected with the handle 3-1, the other end of the first pull wire 3-3 is wound on the winding shaft 3-7 for a plurality of circles and then sequentially penetrates through a gap 2-24 between two fixed pulleys 2-20 at an opening 2-22 at one side of the second fixed pulley group 2-8, two opposite threading holes 2-23 on the second bolt 2-10, a gap 2-24 between two fixed pulleys 2-20 at the opening 2-22 at the other side of the second fixed pulley group 2-8, the inside of the third main rod 2-3, a gap 2-24 between two fixed pulleys 2-20 at an opening 2-22 at one side of the first fixed pulley group 2-7, and a thread, Two opposite threading holes 2-23 on the first bolt 2-9, a gap 2-24 between two fixed pulleys 2-20 at the position of the other side opening 2-22 of the first fixed pulley group 2-7, and the inside of the second main rod 2-2 are connected with one end of a turnbuckle 3-6, the other end of the turnbuckle 3-6 is connected with one end of a second pull wire 3-4, the other end of the second pull wire 3-4 passes through the chuck seat 1-5 and then is divided into 3 wire ends, each wire end is respectively connected with one claw head 1-1, and the turnbuckle 3-6 is arranged inside the first main rod 2-1.

A user presses a handle 3-1 to link a first pull wire 3-3 and a winding shaft 3-7, the winding shaft 3-7 pulls two second sliding blocks 3-11 to slide in square grooves 3-17 of a first supporting rod 3-13 and a second supporting rod 3-14 to link a basket screw 3-6, a second pull wire 3-4 and three claw heads 1-1, so that the three claw heads 1-1 are simultaneously tightened to realize fruit picking; the user loosens the handle 3-1, the three claw heads 1-1 are opened simultaneously under the action of the springs 1-6, the second pull wire 3-4, the basket threads 3-6, the winding shaft 3-7 and the first pull wire 3-3 are linked to enable the handle 3-1 to return to the original position, the fruit enters the net bag 1-2 under the action of gravity by slightly inclining the grabbing assembly, and the fruit placing is finished.

When the relative position of the fourth main rod 2-4 and the telescopic rod 2-5 is changed, the length of the first pull wire 3-3 needs to be adjusted at the same time, so that the first pull wire 3-3 is ensured to be in a tight state. Specifically, when the telescopic rod 2-5 extends into the fourth main rod 2-4, the two pawls 3-9 are opened simultaneously, the winding shaft 3-7 is rotated to wind the redundant first pull wire 3-3 on the winding shaft 3-7, so that the first pull wire 3-3 is in a tight state, and then the two pawls 3-9 are respectively clamped on the corresponding ratchet wheels 3-8 to prevent the winding shaft 3-7 from rotating relatively; conversely, when the telescopic rod 2-5 is pulled out from the fourth main rod 2-4, the pawl 3-9 is opened, the winding shaft 3-7 is rotated in the opposite direction, and the pawl 3-9 is clamped on the ratchet wheel 3-8 after the length of the first pull wire 3-3 is properly adjusted.

The utility model discloses a theory of operation is: first, the user rotates the flat chuck 1-4 according to the size of the fruit to be picked by visual observation to adjust the size of the claw head 1-1. Specifically, a user rotates the plane chuck 1-4 to enable the claw seat 1-3 to move radially along the surface of the plane chuck 1-4, and drives the three claw heads 1-1 to move away from or towards each other at the same time to adjust the size of the claw head 1-1.

Secondly, the angle between the second main boom 2-2 and the third main boom 2-3 is adjusted by the first bolt 2-9 or the angle between the third main boom 2-3 and the fourth main boom 2-4 is adjusted by the second bolt 2-10 according to the position and angle of the specific fruit to be picked to achieve a better picking position and angle.

Finally, the lengths of the main rod assembly and the first pull wire 3-3 are adjusted according to the height of fruits to be picked, the lock catch 2-13 is lifted, the telescopic rod 2-5 is moved to a proper position, the pawl 3-9 is opened at the same time, the winding shaft 3-7 is rotated to collect and release the first pull wire 3-3 to enable the first pull wire 3-3 to be in a tight state, then the pawl 3-9 is clamped on the ratchet wheel 3-8, and the lock catch 2-13 is pressed down to lock the fourth main rod 2-4 and the telescopic rod 2-5.

A user holds the adjusted picking device to be close to fruits to be picked, presses down the handle 3-1, the linkage claw heads 1-1 are closed to pick the fruits, the handle 3-1 is loosened, the three claw heads 1-1 are simultaneously opened and are linked with the handle 3-1 to return under the action of the springs 1-6, the user inclines the grabbing component, and the fruits naturally fall into a net bag 1-2 under the action of gravity. The user can directly pick the next fruit, and the picked fruit can fall into the other net bags 1-2 only by slightly rotating the grabbing component until the three net bags 1-2 are filled, and then the picking device is withdrawn.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent structure transform that the above embodiment was done the utility model discloses technical scheme's within the scope of protection.

Claims

1. A fruit picker which is characterized in that: the fruit picking device comprises a picking assembly, a main rod assembly and a control assembly, wherein the picking assembly is arranged at one end of the main rod assembly and is used for picking fruits, and the control assembly is arranged at the other end of the main rod assembly and is used for controlling the opening and closing of the picking assembly; the grabbing component comprises claw heads (1-1), net bags (1-2), claw seats (1-3), plane chucks (1-4) and chuck seats (1-5), the number of the claw heads (1-1) is at least two, the number of the claw heads (1-1) is equal to that of the net bags (1-2), one net bag (1-2) is hung between the side parts of every two adjacent claw heads (1-1), the lower parts of the claw heads (1-1) are hinged with the upper parts of the claw seats (1-3), springs (1-6) are arranged between the lower ends of the claw heads (1-1) and the claw seats (1-3), the upper ends and the lower ends of the springs (1-6) are respectively connected with the claw heads (1-1) and the claw seats (1-3), a plurality of bulges (1-7) are arranged at the bottoms of the claw seats (1-3), the upper surface of the plane chuck (1-4) is provided with plane threads (1-8) with a spiral line structure, the protrusions (1-7) are meshed with the plane threads (1-8), two sides of the claw seat (1-3) are both provided with guide plates (1-9) along the radial direction of the plane chuck (1-4), the inner side of each guide plate (1-9) is provided with a clamping groove (1-10) along the horizontal direction, two sides of the claw seat (1-3) are respectively provided with first sliding blocks (1-11) along the horizontal direction, the first sliding blocks (1-11) are arranged in the clamping grooves (1-10) in a sliding manner, the center of the top of the chuck seat (1-5) is provided with first bosses (1-12), one ends of the guide plates (1-9) close to the first bosses (1-12) are fixedly connected with the tops of the first bosses (1-12), the center of the plane chuck (1-4) is provided with a round hole (1-13), the plane chuck (1-4) is sleeved outside the first boss (1-12), and the plane chuck (1-4) can rotate relative to the chuck seat (1-5).

2. A fruit picker according to claim 1, wherein: the main rod assembly comprises a first main rod (2-1), a second main rod (2-2), a third main rod (2-3), a fourth main rod (2-4), an expansion rod (2-5), a locking device (2-6), a first fixed pulley block (2-7) and a second fixed pulley block (2-8), wherein one end of the first main rod (2-1) is provided with a thread (2-11), one end of the first main rod (2-1) is connected with one end of the second main rod (2-2) through the thread (2-11), the other end of the second main rod (2-2) is hinged with one end of the third main rod (2-3) through a first bolt (2-9), the other end of the third main rod (2-3) is hinged with one end of the fourth main rod (2-4) through a second bolt (2-10), the other end of the fourth main rod (2-4) extends into one end of the telescopic rod (2-5), the locking device (2-6) is arranged on the telescopic rod (2-5) and used for locking the telescopic rod (2-5) and the fourth main rod (2-4), the first fixed pulley block (2-7) is installed in the middle of the first bolt (2-9), the second fixed pulley block (2-8) is installed in the middle of the second bolt (2-10), and the other end of the first main rod (2-1) is fixedly connected with the bottom of the chuck seat (1-5).

3. A fruit picker according to claim 2, wherein: the structure of the second fixed pulley block (2-8) is the same as that of the first fixed pulley block (2-7) and the size of the second fixed pulley block is the same as that of the first fixed pulley block (2-7), the first fixed pulley block (2-7) comprises a shell (2-21), the shell (2-21) is of a hollow cylindrical structure, two openings (2-22) are symmetrically formed in the side portion of the shell (2-21), two pulley shafts (2-19) are symmetrically arranged at the positions of the openings (2-22), fixed pulleys (2-20) are rotatably mounted on the pulley shafts (2-19), and gaps (2-24) are reserved between the two fixed pulleys (2-20) at the positions of the openings (2-22).

4. A fruit picker according to claim 2 or 3, wherein: four threading holes (2-23) which are equal in size and are symmetrically arranged in pairs are formed in the middle of the first bolt (2-9), and the second bolt (2-10) and the first bolt (2-9) are identical in structure.

5. A fruit picker according to claim 2, wherein: the locking device (2-6) comprises a lock bolt (2-12), a lock catch (2-13), a mounting seat (2-14), a first pin shaft (2-15) and a locking shaft (2-16), the mounting seat (2-14) is fixedly mounted on the outer side wall of the telescopic rod (2-5), the rotating end of the lock catch (2-13) is of an inverted U-shaped structure, the rotating end of the lock catch (2-13) is rotatably connected with the mounting seat (2-14) through the first pin shaft (2-15), the locking shaft (2-16) is arranged in the rotating end of the lock catch (2-13), two ends of the locking shaft (2-16) are respectively and fixedly connected with the inner sides of two rotating ends of the lock catch (2-13), the upper end of the lock bolt (2-12) is fixedly connected with the middle part of the locking shaft (2-16), the fourth main rod (2-4) is a hollow rod, the top of the fourth main rod is provided with sliding grooves (2-17) along the axial direction, the top of the telescopic rod (2-5) is provided with through holes (2-25) for the lock bolts (2-12) to pass through, the lower ends of the lock bolts (2-12) sequentially pass through the through holes (2-25) and the sliding grooves (2-17), the end parts of the lock bolts are provided with locking parts (2-18), and the locking parts (2-18) are clamped at the sliding grooves (2-17).

6. A fruit picker according to claim 2, wherein: the control assembly comprises a handle (3-1), a handle seat (3-2), a first pull wire (3-3), a second pull wire (3-4), a wire winder (3-5) and a turnbuckle (3-6), one end of the handle (3-1) is hinged with the middle of the handle seat (3-2), the bottom of the handle seat (3-2) is fixedly connected with the outer wall of the telescopic rod (2-5), one end of the first pull wire (3-3) is connected with the handle (3-1), the other end of the first pull wire (3-3) is wound on the wire winder (3-5) for a plurality of circles and then sequentially penetrates through a gap (2-24) between two fixed pulleys (2-20) at an opening (2-22) at one side of the second fixed pulley block (2-8), Two opposite threading holes (2-23) on the second bolt (2-10), a gap (2-24) between two fixed pulleys (2-20) at the other side opening (2-22) of the second fixed pulley group (2-8), the inside of the third main rod (2-3), a gap (2-24) between two fixed pulleys (2-20) at one side opening (2-22) of the first fixed pulley group (2-7), two opposite threading holes (2-23) on the first bolt (2-9), a gap (2-24) between two fixed pulleys (2-20) at the other side opening (2-22) of the first fixed pulley group (2-7) and the inside of the second main rod (2-2) are connected with one end of a turnbuckle (3-6), the other end of the turnbuckle (3-6) is connected with one end of a second pull wire (3-4), the other end of the second pull wire (3-4) penetrates through the center of the chuck seat (1-5) and then is divided into wire heads with the same number as the claw heads (1-1), each wire head is connected with one claw head (1-1), and the turnbuckle (3-6) is arranged inside the first main rod (2-1).

7. A fruit picker according to claim 6, wherein: the winder (3-5) comprises a winding reel (3-7), a ratchet wheel (3-8), a pawl (3-9), a second sliding block (3-11), a first supporting rod (3-13), a second supporting rod (3-14), a third supporting rod (3-15) and a second pin shaft (3-12), wherein the first supporting rod (3-13) and the second supporting rod (3-14) are arranged in parallel, two ends of the third supporting rod (3-15) are fixedly connected with one ends of the first supporting rod (3-13) and the second supporting rod (3-14) respectively, the third supporting rod (3-15) is perpendicular to the first supporting rod (3-13) and the second supporting rod (3-14), the middle of the third supporting rod (3-15) is fixedly connected with a handle seat (3-2), and a square hole (3-16) is formed in the middle of the first supporting rod (3-13) in the length direction of the first supporting rod (3-13) ) The upper side and the lower side of each square hole (3-16) are provided with square grooves (3-17) along the length direction of the first support rod (3-13), the second support rod (3-14) and the first support rod (3-13) have the same size and the same structure, the number of the second sliding blocks (3-11) is two, each second sliding block (3-11) is a square sliding block, the upper side and the lower side of each second sliding block (3-11) are provided with second bosses (3-18), the two second sliding blocks (3-11) are respectively arranged in the square grooves (3-17) of the first support rod (3-13) and the second support rod (3-14) in a sliding manner through the second bosses (3-18), the side part of each second sliding block (3-11) is provided with a winding shaft hole (3-10), two ends of the winding shaft (3-7) respectively penetrate through the two winding shaft holes (3-10) and are rotatably arranged in the winding shaft holes (3-10), the number of the ratchet wheels (3-8) is two, the ratchet wheels (3-8) are respectively and fixedly arranged at two ends of the winding shaft (3-7), the number of the pawls (3-9) is two, the two pawls (3-9) are respectively hinged to the outer sides of the two second sliding blocks (3-11) through second pin shafts (3-12) and are matched with the corresponding ratchet wheels (3-8), and the first pull wire (3-3) is wound on the winding shaft (3-7).

8. A fruit picker according to claim 1, 2 or 3, wherein: the claw heads (1-1) are rubber claw heads, and the net bag (1-2) is a flexible fiber net bag.

9. A fruit picker according to claim 1, 2 or 3, wherein: the number of the claw heads (1-1) and the number of the net bags (1-2) are three.