CN111201893A

CN111201893A - Portable cherry picking device

Info

Publication number: CN111201893A
Application number: CN202010061512.4A
Authority: CN
Inventors: 张彩丽; 桓源
Original assignee: Shaanxi University of Science and Technology
Current assignee: Shaanxi University of Science and Technology
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-05-29

Abstract

The invention discloses a portable cherry picking device. The bracket includes an adjustment handle hinged in the middle, the front end of the cross bar of the L-shaped bracket is hinged with a picking head, the slider, the crank slider structure is formed between the connecting rod and the fixed seat, and the L-shaped bracket is hand-held. The vertical rod presses the adjustment handle, and the slider moves on the bracket to adjust the angle of the picking head, and the bevel gear drives the upper and lower blades to rotate to achieve fruit picking. The fruit is collected, the picking effect is good, the fruit is not damaged in large quantities during the picking process, the overall structure of the collecting device is simple, and the work is safe and reliable.

Description

Portable cherry picking device

Technical Field

The invention relates to the technical field of agricultural machinery, in particular to a portable cherry picking device.

Background

The cherry is a fruit with delicious taste and high nutritional value, and is deeply favored by people in recent years, but the cherry has thin skin and is easily damaged in the picking and transportation processes, so that the appearance color and luster and the taste are influenced, the selling price is influenced, and the loss is caused to fruit growers.

The picking of cherry is mainly carried out manually at present, because weather is hot, artifical operating condition is poor, intensity of labour is big, the cherry of eminence is difficult for picking, need the fruit grower to climb a height such as ladder and so on and just can pick, lead to picking efficiency lower, manual work is picked in addition, if the experience is not enough the problem that often appears ruining the fruit, the bad fruit rate that the picking process leads to is very high, the cherry is planted by a large scale of restriction, fruit grower's income receives very big influence, consequently, the device of conveniently picking is needed urgently.

Disclosure of Invention

In order to solve the problems in the prior art, the invention aims to provide a portable cherry picking device which has the advantages of good picking effect, high picking efficiency and simple and reliable device structure.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a portable cherry picking device comprises a support with an L-shaped structure, wherein the middle part of an adjusting handle is hinged below a cross rod of the support, and the front end of the cross rod of the L-shaped support is hinged with a picking head;

a sliding block capable of sliding along the cross rod is arranged on the cross rod of the support, a second fixed shaft and a second connecting hole are respectively arranged on the two sides, close to the sliding block, and a spring is arranged between one end of the sliding block and a first fixed boss arranged at the tail end, close to the cross rod of the support, of the sliding block; the upper part of the adjusting handle is provided with a sliding chute, and a second fixed shaft on the sliding block is arranged in the sliding chute and can move in the sliding chute;

the picking head comprises a fixed seat with a C-shaped structure, the front end of a cross rod of the L-shaped support is hinged with the lower part of the rear side of the fixed seat, the upper part of the rear side of the fixed seat is hinged with one end of a connecting rod, and the other end of the connecting rod is hinged with a second connecting hole in the sliding block; a crank-slider structure is formed between the connecting rod and the fixed seat, and the angle of the picking head is adjusted by moving the slider on the bracket;

a motor is transversely arranged in the fixed seat of the C-shaped structure, a rotating shaft of the motor is connected with a first bevel gear, a shaft is vertically arranged in the fixed seat through a bearing, a second bevel gear is fixedly connected in the middle of the shaft, and a lower blade which is horizontally arranged is connected at the lower end of the shaft; a hollow shaft is sleeved outside the shaft through a bearing, a third bevel gear is connected to the middle of the hollow shaft, an upper blade is connected to the lower end of the hollow shaft, the upper blade and the lower blade are arranged in a fit manner, and a second bevel gear and the third bevel gear are respectively positioned on the upper side and the lower side of a first bevel gear and are simultaneously meshed with the first bevel gear;

the motor drives the first bevel gear to rotate, the first bevel gear drives the second bevel gear and the third bevel gear to rotate, and then the upper blade and the lower blade are driven to rotate reversely to pick cherries.

Furthermore, the upper portion of the adjusting handle is grooved along the extending direction to divide the handle into two supporting arms, the two supporting arms are located on two sides of the cross rod of the L-shaped support, and sliding grooves are formed in the two supporting arms.

Furthermore, the upper portion and the lower portion of the rear side of the fixing seat are provided with support rods extending horizontally outwards, the motor is fixedly installed through the two support rods, one end of the connecting rod is hinged to the upper support rod, and the lower support rod is hinged to the front end of the cross rod of the support.

Furthermore, the two support rods and the fixed seat are of an integrated structure.

Furthermore, the upper blade and the lower blade are circular blades, and the edges of the blades are provided with saw-toothed cutting edges.

Furthermore, a protective cage is arranged outside the upper blade and the lower blade.

Further, the protective cages are rigidly connected with the fixed seat, and the gap between the protective cages is smaller than the size of the cherry.

Further, a rubber sleeve is arranged on the vertical rod of the L-shaped support.

Further, the adjusting handle is of an S-shaped structure.

The invention has the beneficial effects that:

the support of L type structure includes middle part articulated adjustment handle, the horizontal pole front end of L type support articulates there is the picking head, the slider, constitute slider-crank structure between connecting rod and the fixing base, the adjustment handle is pressed to the montant of handheld L type support, move the regulation that realizes the picking head angle on the support through the slider, blade direction rotates realization fruit picking about realizing through the bevel gear transmission, it is high to compare artifical manual picking work efficiency, the staff can be gathered the fruit without contacting the cherry, it is effectual to pick, avoid picking the process and damage the fruit in a large number, collection system overall structure is simple, work safety and reliability.

The upper portion and the lower portion of the rear side of the fixing seat are provided with the supporting rods which horizontally extend outwards, the motor is fixedly installed through the two supporting rods, the installation is reliable, the overall structure layout is compact, tools are small and exquisite, and the use is convenient.

Go up blade and bottom knife and be circular blade, the edge takes the cockscomb structure cutting edge, is rotatory by motor drive direction, and cutting efficiency is high, moreover, is equipped with the cage in last blade and bottom knife outside, avoids the blade to hinder people or touch hard thing and lead to damaging.

The gap between the protective cages is smaller than the size of the cherry, so that the cherry is prevented from being damaged while the stem is cut rapidly.

Drawings

FIG. 1 is a schematic view of the structure of the present invention

FIG. 2 is a schematic structural diagram of the present invention

FIG. 3 is a schematic view of the connection structure of the adjustment handle and the bracket of the present invention

FIG. 4 is a schematic view of a picking head structure according to the present invention

FIG. 5 is a schematic view of the transmission structure of the lower blade of the present invention

FIG. 6 is a schematic view of the upper blade transmission structure of the present invention

FIG. 7 is a schematic view of a partial fitting structure of the present invention

FIG. 8 is a schematic view of the slider of the present invention

FIG. 9 is a schematic view of an adjusting handle structure according to the present invention

FIG. 10 is a schematic view of the structure of the stent of the present invention

In the figure: the cutting tool comprises a support 1, a rubber sleeve 1-1, a first fixing boss 1-2, a first fixing shaft 1-3, a connecting shaft 1-4, an adjusting handle 2, a sliding groove 2-1, a connecting hole I2-2, a spring 3, a sliding block 4, a connecting hole II 4-1, a second fixing shaft 4-2, a second fixing boss 4-3, a connecting rod 5, a fixing seat 6, a motor 7, a motor base 8, a second bevel gear 9, a lower blade 10, a protective cage 11, a shaft 12, a first bevel gear 13, a hollow shaft 14, a third bevel gear 15, a bearing 16 and an upper blade 17.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are not intended to limit the invention thereto.

As shown in figures 1-3, the portable cherry picking device comprises a support 1, wherein the support 1 is of an L-shaped structure, a rubber sleeve 1-1 is arranged on a vertical rod of the L-shaped support, a first fixing boss 1-2 and a first fixing shaft 1-3 are arranged in the middle of a cross rod of the L-shaped support, a connecting hole I2-2 is formed in the middle of an adjusting handle 2, the adjusting handle 2 is installed on the support 1 through the connecting hole I2-2 and the first fixing shaft 1-3 and is hinged to the first fixing shaft 1-3 through the connecting hole I2-2, and a bearing is arranged at the matching position. The adjusting handle 2 is of an S-shaped structure, and the front end of the L-shaped support is hinged with a picking head.

As shown in fig. 3, 8 and 10, a sliding block 4 is matched on a support 1, the sliding block 4 is of a C-shaped structure sleeved on a cross bar of an L-shaped support, a second fixing shaft 4-2 and a connecting hole two 4-1 are respectively arranged at two sides, close to the sliding block 4, of the sliding block 4, a second fixing boss 4-3 is arranged at one end of the sliding block 4, and a spring 3 is arranged between the second fixing boss 4-3 on the sliding block 4 and the first fixing boss 1-2 on the support 1. The adjusting handle 2 is provided with a sliding groove 2-1, a second fixed shaft 4-2 on the sliding block 4 is arranged in the sliding groove 2-1, the second fixed shaft 4-2 is matched with the sliding groove 2-1 and can move in the sliding groove 2-1, and a bearing is arranged at the matching position.

As shown in FIG. 9, the upper portion of the adjusting handle 2 is grooved along the extending direction to divide the handle into two supporting arms, the adjusting handle 2 is disposed below the cross bar of the L-shaped bracket and hinged to the adjusting handle 2 through a first fixing shaft 1-3, the two supporting arms are disposed on two sides of the cross bar of the L-shaped bracket, and the two supporting arms are provided with sliding grooves 2-1.

As shown in fig. 2, the picking head comprises a fixed seat 6 with a C-shaped structure, a connecting shaft 1-4 is arranged on a cross bar of an L-shaped bracket near the front end, the bracket 1 is hinged with the lower part of the rear side of the fixed seat 6 through the connecting shaft 1-4, the upper part of the rear side of the fixed seat 6 is hinged with one end of a connecting rod 5, and the other end of the connecting rod 5 is matched with a connecting hole II 4-1 on a sliding block 4 to form a hinge joint; slider 4 constitutes the slider-crank structure between connecting rod 5 and the fixing base 6, moves on support 1 through slider 4, realizes the regulation of picking head angle.

As shown in fig. 1 and 2, a motor base 8 is rigidly connected to the middle of a fixing base 6 of a C-shaped structure, a motor 7 is transversely arranged on the motor base 8, a first bevel gear 13 is connected to a rotating shaft of the motor 7, a bearing is arranged at a matching position of an output shaft of the motor 7 and the fixing base 6, a shaft 12 is vertically arranged in the fixing base 6, a bearing is arranged at the matching position, a second bevel gear 9 is fixedly connected to the middle of the shaft 12, a lower blade 10 is connected to the lower end of the shaft 12, a hollow shaft 14 is sleeved outside the shaft 12, a bearing 16 is arranged at the matching position, a third bevel gear 15 is connected to the middle of the hollow shaft 14, and the second bevel gear 9 and the third bevel gear 15 are respectively positioned on the upper side and the lower; the lower end of the hollow shaft 14 is connected with an upper blade 17, and a bearing is arranged at the matching position of the hollow shaft 14 and the fixed seat 6. The motor 7 drives the first bevel gear 13 to rotate, the first bevel gear 13 drives the second bevel gear 9 and the third bevel gear 15 to rotate, and then the upper blade and the lower blade are driven to rotate reversely to achieve the effect of picking cherries.

The upper portion and the lower portion of the rear side of the C-shaped structure fixing seat 6 are provided with supporting rods which horizontally extend outwards, the motor 7 is fixedly installed through the two supporting rods, one end of the connecting rod 5 is hinged to the upper supporting rod, the support 1 is hinged to the lower supporting rod through a connecting shaft 1-4, and the two supporting rods and the fixing seat 6 are of an integral structure.

4-7, the upper blade 17 and the lower blade 10 are circular blades, a through hole for the shaft 12 to pass through is formed in the middle of the upper blade 17, the upper blade 17 and the lower blade 10 are arranged in a fitting manner, the edges of the blades are provided with saw-toothed edges, a protective cage 11 is arranged outside the upper blade 17 and the lower blade 10, the protective cage 11 is rigidly connected with the fixed seat 6, and the gap between the protective cages 11 is smaller than that of the cherry, so that the cherry can be prevented from being damaged while the stem of the cherry is cut off.

The working principle of the invention is as follows:

when the cherries need to be picked, the power supply is turned on, the motor rotates, the upper blade and the lower blade are driven to rotate in the opposite directions through the transmission of the bevel gear set, the effect of cutting off the cherry stalks is achieved, the gaps among the protective cages arranged on the outer sides of the blades are smaller than the cherries, and the cherries can be prevented from being damaged while the cherry stalks are cut off. The adjustable cherry picker has the advantages that the slider can be driven to move by matching the adjusting handle with the spring, the picking angle of the picking head can be adjusted by using the slider-crank structure, the device can be operated by one hand, and cherries can fall into the net bag below under the action of gravity after being cut off from the fruit stems, so that picking is completed.

The present invention has been described in detail with reference to the above examples, and it will be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.

Claims

1. A portable cherry picking device, characterized in that: it comprises a bracket (1) with an L-shaped structure, the middle part of the adjustment handle (2) is hinged below the cross bar of the bracket (1), and the front end of the cross bar of the L-shaped bracket is hinged with a picking head ;

A sliding block (4) capable of sliding along the transverse rod is arranged on the cross bar of the bracket (1), and a second fixing shaft (4-2) and two connecting holes (4-2) are respectively provided on both sides of the sliding block (4). 1), a spring (3) is provided between one end of the slider (4) and the first fixed boss (1-2) provided near the end of the crossbar of the bracket (1); the upper part of the adjustment handle (2) is provided with a spring (3); There is a chute (2-1), and the second fixed shaft (4-2) on the slider (4) is placed in the chute (2-1) and can move in the chute (2-1);

The picking head comprises a fixed seat (6) of a C-shaped structure, the front end of the cross bar of the L-shaped bracket is hinged with the lower part of the rear side of the fixed seat (6), and the upper part of the rear side of the fixed seat (6) is hinged with one end of the connecting rod (5), The other end of the connecting rod (5) is hinged with the connecting hole two (4-1) on the slider (4); the slider (4), the connecting rod (5) and the fixed seat (6) form a crank sliding The block structure is used to adjust the angle of the picking head by moving the slider (4) on the bracket (1);

A motor (7) is arranged horizontally in the fixed seat (6) of the C-shaped structure, a first bevel gear (13) is connected to the rotating shaft of the motor (7), and a vertical bearing is provided in the fixed seat (6) through a bearing. A shaft (12), a second bevel gear (9) is fixedly connected to the middle of the shaft (12), a lower blade (10) arranged horizontally is connected to the lower end of the shaft (12); A hollow shaft (14) is provided, a third bevel gear (15) is connected in the middle of the hollow shaft (14), an upper blade (17), an upper blade (17) and a lower blade (10) are connected to the lower end of the hollow shaft (14) ) are fitted, the second bevel gear (9) and the third bevel gear (15) are respectively located on the upper and lower sides of the first bevel gear (13) and mesh with the first bevel gear (13) at the same time;

The motor (7) drives the first bevel gear (13) to rotate, and the first bevel gear (13) drives the second bevel gear (9) and the third bevel gear (15) to rotate, thereby driving the upper and lower blades to rotate in the opposite direction to pick cherries.

2. The portable cherry picking device according to claim 1, characterized in that: the upper part of the adjustment handle (2) is notched along the extending direction to divide the handle into two support arms, and the two support arms are located on the two sides of the L-shaped bracket crossbar. A chute (2-1) is set on the two support arms.

3. The portable cherry picking device according to claim 2, characterized in that: the upper and lower parts of the rear side of the fixing seat (6) are provided with support rods extending horizontally outward, and the motor (7) is installed and fixed by two support rods One end of the connecting rod (5) is hinged with the upper support rod, and the front end of the cross rod of the bracket (1) is hinged with the lower support rod.

4 . The portable cherry picking device according to claim 3 , wherein the two support rods and the fixing seat ( 6 ) are integral structures. 5 .

5. The portable cherry picking device according to any one of claims 1-4, wherein the upper blade (17) and the lower blade (10) are circular blades with serrated edges.

6. The portable cherry picking device according to claim 5, characterized in that a cage (11) is provided outside the upper blade (17) and the lower blade (10).

7. The portable cherry picking device according to claim 6, characterized in that: the cage (11) is rigidly connected to the fixing seat (6), and the gap between the cages (11) is smaller than the size of the cherry.

8. The portable cherry picking device according to claim 7, characterized in that a rubber sleeve (1-1) is provided on the vertical rod of the L-shaped bracket.

9 . The portable cherry picking device according to claim 7 , wherein the adjustment handle ( 2 ) is of an S-like structure. 10 .