CN116513706B

CN116513706B - Remove harvesting car

Info

Publication number: CN116513706B
Application number: CN202310371359.9A
Authority: CN
Inventors: 刘元军; 马铁民; 王刚; 王盼; 魏军昌; 赵新宇
Original assignee: Haofeng Shanghai Agricultural Technology Co ltd; Haofeng Zhangjiakou Agricultural Technology Co ltd; Kaisheng Haofeng Agricultural Group Co ltd
Current assignee: Haofeng Shanghai Agricultural Technology Co ltd; Haofeng Zhangjiakou Agricultural Technology Co ltd; Kaisheng Haofeng Agricultural Group Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2024-03-29
Anticipated expiration: 2043-04-10
Also published as: CN116513706A

Abstract

The invention discloses a mobile harvesting vehicle, which relates to the technical field of mobile harvesting and comprises a mobile platform, wherein the mobile platform is pulled by a tractor head and further comprises: the two conveying assemblies are respectively arranged at two sides of the mobile platform; the conveying assembly comprises a mounting frame which is arranged on the side part of the mobile platform and can be rotationally adjusted to be parallel or perpendicular to the mobile platform, a plurality of conveying rollers are rotationally arranged in the mounting frame, a plurality of conveying belts which can rotationally convey to the mobile platform are arranged between the conveying rollers in a transmission mode, and partition plates are arranged on the surface of the conveying belts at intervals. The invention realizes the purpose of semi-automatic and rapid lettuce harvesting, improves the picking speed, reduces the labor cost, and can rapidly, automatically and cost-effectively harvest lettuce, thereby improving the picking efficiency of vegetable lettuce, and a plurality of workers can pick the lettuce at the same time due to the extending effect of the conveyor belt, thereby further improving the working efficiency.

Description

Remove harvesting car

Technical Field

The invention relates to the technical field of mobile picking, in particular to a mobile picking vehicle.

Background

At present, the production and consumption of vegetables in the world in China are large, the production and consumption level of lettuce is improved year by year, and along with the advancing development of economy and society, the demand of vegetables in China is continuously increased, wherein the growth of lettuce is greatly affected by factors such as soil, weather, fertilizer and the like; and lettuce dishes She Dengxiang are fragile; therefore, lettuce harvesting has the characteristics of complexity, periodicity, harvest professionality and the like.

At present, the harvesting work of leaf vegetables is basically completed by manpower, the manual harvesting is time-consuming, low in efficiency, high in cost, low in speed and efficiency, and the dilemma of rising vegetable prices caused by rising of labor cost is also faced.

Disclosure of Invention

The invention aims to provide a mobile harvesting vehicle so as to solve at least one technical problem existing in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: a mobile harvesting vehicle comprising a mobile platform, and the mobile platform is pulled by a tractor head, further comprising:

the two conveying assemblies are respectively arranged at two sides of the mobile platform;

the conveying assembly comprises a mounting frame which is arranged on the side part of the mobile platform and can be rotationally adjusted to be parallel or perpendicular to the mobile platform, a plurality of conveying rollers are rotationally arranged in the mounting frame, a plurality of conveying belts which can rotationally convey to the mobile platform are arranged between the conveying rollers in a transmission mode, and partition plates are arranged on the surface of the conveying belts at intervals.

Preferably, a rotatable rotating shaft is vertically arranged at the top of the moving platform, a fixed seat is fixed at the top end of the rotating shaft, a round hole is formed in the outer wall of the fixed seat, a round tube is fixed on the side wall of the mounting frame, the round tube is inserted into and rotatably arranged in the round hole, an extension plate is further fixed on the outer wall of the rotating shaft, and an elastic telescopic rod is arranged between the extension plate and the mounting frame;

the top of moving platform still is fixed with spacing seat, the mounting bracket is kept away from the outer wall of pipe and is fixed with the circle axle, just the circle axle is coaxial setting with the pipe, the draw-in groove that can supply the circle axle card to go into is seted up to the outer wall of spacing seat.

Preferably, an extension shaft is fixed at the axis of one of the conveying rollers, extends out of the outer wall of the mounting frame and extends into the circular tube, the extension shaft and the circular tube are coaxially arranged, a groove is formed in the outer wall of the circular tube, a fixing plate is fixedly arranged at the position of the groove, an intermediate shaft is rotatably arranged on the outer wall of the fixing plate through a shaft seat, the intermediate shaft is vertically arranged with the extension shaft, the intermediate shaft is in transmission connection with the extension shaft through two mutually meshed bevel gears, and a friction wheel is fixed at one end of the intermediate shaft far away from the extension shaft;

the top that the mobile platform is close to the rotation axis is fixed with the vertical axis, is located the rotatable drive wheel is installed to the vertical axis outer wall of friction pulley top, the cambered surface is seted up to the outer wall of drive wheel, just friction pulley and the cambered surface friction transmission of drive wheel, install the spring between the protruding at drive wheel and vertical axis top.

Preferably, the bottom of the extension plate is provided with a roller, and the roller is rollingly supported at the top of the mobile platform.

Preferably, an elastic air bag is installed between two adjacent partition boards, the elastic air bag is attached to the surface of the conveying belt, a foam-rubber cushion is fixed between two adjacent partition boards, the foam-rubber cushion is attached to the elastic air bag, an air outlet hole is formed in the outer wall of the elastic air bag, which is close to the foam-rubber cushion, and when the elastic air bag is bent by more than 90 degrees, air in the elastic air bag is extruded from the air outlet hole, the conveying belt is 180 degrees when the tail end far away from the moving platform is bent in a rotating mode, and the rest bent positions are smaller than or equal to 90 degrees.

Preferably, the conveying roller is driven by a motor arranged on the outer wall of the mounting frame, a pressure sensor is arranged in the elastic telescopic rod, and the pressure sensed by the pressure sensor is arranged in direct proportion to the rotation speed of the control motor.

Preferably, a ceiling is mounted on the top of the mobile platform, and the ceiling is obliquely arranged towards two sides.

Preferably, a protective shell capable of covering the vertical shaft and the rotating shaft is arranged on the top of the mobile platform.

Preferably, the conveyor belt assembly is arranged on the moving platform and positioned between the two groups of conveying assemblies, and the conveyor belt assembly is used for containing and conveying goods falling on the conveyor belt.

Preferably, detachable extension platforms are arranged on two sides of the sweep plate of the mobile platform.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the purpose of semi-automatically and rapidly harvesting lettuce can be realized by unfolding the conveying component, the harvesting speed is improved, the labor cost is reduced, and the lettuce can be harvested rapidly, automatically and cost-effectively, so that the harvesting efficiency of the vegetable lettuce is improved, a plurality of workers can be simultaneously arrayed for harvesting due to the extending effect of the conveying belt, and the working efficiency is further improved.

Drawings

FIGS. 1-3 are schematic perspective views of a mobile platform according to the present invention;

FIG. 4 is a front view of the mobile platform of the present invention;

FIG. 5 is a cross-sectional perspective view taken along line A-A of FIG. 4 in accordance with the present invention;

FIG. 6 is a cross-sectional perspective view taken along line B-B of FIG. 4 in accordance with the present invention;

FIG. 7 is a schematic view of the internal structure of the present invention with the protective casing removed;

FIG. 8 is a cross-sectional perspective view taken along line C-C of FIG. 4 in accordance with the present invention;

FIG. 9 is a schematic view of the conveyor belt of the present invention and the resilient bladder and foam pad thereon;

FIG. 10 is a schematic view of the structure of the vent hole on the elastic air bag of the present invention.

In the figure: 1. a mobile platform; 2. a mounting frame; 3. a conveyor belt; 4. a conveying roller; 5. a partition plate; 6. a ceiling; 7. a protective shell; 8. a rotation shaft; 9. a fixing seat; 10. a round tube; 11. an extension plate; 12. an elastic telescopic rod; 13. a circular shaft; 14. a limit seat; 15. a vertical axis; 16. a driving wheel; 17. a spring; 18. an extension shaft; 19. a fixing plate; 20. an intermediate shaft; 21. a friction wheel; 22. a bevel gear; 23. an elastic air bag; 24. a sponge cushion; 25. and an air outlet hole.

Description of the embodiments

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples

Referring to fig. 1 to 10, the present invention provides a technical solution: a mobile harvesting vehicle, comprising a mobile platform 1, and the mobile platform 1 is pulled by a tractor head, further comprising:

the two groups of conveying components are respectively arranged at two sides of the mobile platform 1;

the conveying assembly comprises a mounting frame 2 which is arranged on the side part of the mobile platform 1 and can be rotationally adjusted to be parallel or perpendicular to the mobile platform 1, a plurality of conveying rollers 4 are rotationally arranged in the mounting frame 2, a conveying belt 3 which can rotationally convey to the mobile platform 1 is arranged between the conveying rollers 4 in a transmission mode, and a partition plate 5 is arranged on the surface of the conveying belt 3 at intervals.

This remove harvesting car is when using, be connected it with the tractor aircraft nose, then rotate mounting bracket 2 adjust to the state with mobile platform 1 looks vertically, like the state of fig. 1-3, pull mobile platform 1 through the tractor aircraft nose and advance at a slow speed at the uniform velocity, the workman of both sides is through picking lettuce and put on conveyer belt 3, utilize conveyer belt 3 to carry lettuce to mobile platform 1 on, workman on mobile platform 1 can directly pack lettuce and pack this moment, realize semi-automaticly the purpose of harvesting lettuce fast, improve the speed of picking, reduce the cost of labor, can be to the lettuce harvesting fast, automatic, save the cost, thereby improve the efficiency of picking vegetables lettuce, moreover because the extension effect of conveyer belt 3 can make a plurality of workman arrange and pick simultaneously, further improved work efficiency.

It is worth mentioning that the mobile harvesting vehicle is not only limited to the picking of lettuce, but also suitable for the picking of other vegetables, such as the picking and harvesting of crops such as cabbages, cabbages and the like.

In one of the preferred embodiments described above, a means of rotational adjustment of the mounting frame 2 is provided;

the top of the mobile platform 1 is vertically provided with a rotatable rotating shaft 8, the top end of the rotating shaft 8 is fixed with a fixed seat 9, the outer wall of the fixed seat 9 is provided with a round hole, the side wall of the mounting frame 2 is fixed with a round tube 10, the round tube 10 is inserted into and rotatably arranged in the round hole, the outer wall of the rotating shaft 8 is also fixed with an extension plate 11, and an elastic telescopic rod 12 is arranged between the extension plate 11 and the mounting frame 2;

the top of the mobile platform 1 is also fixed with a limit seat 14, the outer wall of the mounting frame 2 far away from the circular tube 10 is fixed with a circular shaft 13, the circular shaft 13 and the circular tube 10 are coaxially arranged, and the outer wall of the limit seat 14 is provided with a clamping groove for clamping the circular shaft 13.

Referring to fig. 5 and 6, the rotary shaft 8 is driven to rotate by an external mechanism, so that the rotary shaft is driven to rotate by the fixed seat 9, and the integral mounting frame 2 is driven to rotate by the round tube 10 by taking the rotary shaft 8 as a circle center, so that the mounting frame 2 is conveniently rotated and retracted to two sides of the mobile platform 1, and is convenient to store when in idle.

In addition, when the device is unfolded, in order to improve the stability of the mounting frame 2, the circular shaft 13 can be rotated and clamped into the clamping groove on the limiting seat 14 when the mounting frame 2 rotates, and the supporting point of the mounting frame 2 is increased, so that the device is more stable;

meanwhile, the rotating shaft 8 drives the extension plate 11 to synchronously rotate when rotating, and the elastic telescopic rod 12 on the extension plate can play a supporting role on the mounting frame 2, so that the mounting frame is more stable.

In one of the preferred embodiments, a drive means for driving the belt 3 drive is provided;

an extension shaft 18 is fixed at the axle center of one of the conveying rollers 4, the extension shaft 18 extends out of the outer wall of the mounting frame 2 and extends into the circular tube 10, the extension shaft 18 and the circular tube 10 are coaxially arranged, a groove is formed in the outer wall of the circular tube 10, a fixing plate 19 is fixed at the position of the groove, an intermediate shaft 20 is rotatably arranged on the outer wall of the fixing plate 19 through an axle seat, the intermediate shaft 20 is vertically arranged with the extension shaft 18, the intermediate shaft 20 is in transmission connection with the extension shaft 18 through two conical gears 22 meshed with each other, and a friction wheel 21 is fixed at one end of the intermediate shaft 20 far away from the extension shaft 18;

the top that the mobile platform 1 is close to rotation axis 8 is fixed with vertical axis 15, and rotatable drive wheel 16 is installed to the vertical axis 15 outer wall that is located friction wheel 21 top, and the cambered surface is seted up to the outer wall of drive wheel 16, and friction wheel 21 and the cambered surface friction transmission of drive wheel 16, installs spring 17 between the protruding at drive wheel 16 and vertical axis 15 top.

Referring to fig. 5-8, when the mounting frame 2 rotates to be perpendicular to the moving platform 1, the friction wheel 21 and the driving wheel 16 are in friction contact, and the driving wheel 16 is driven to rotate by an external structure, the driving wheel 16 drives the friction wheel 21 to rotate by friction transmission, so as to drive the intermediate shaft 20 to rotate, and the extending shaft 18 is driven to rotate under the transmission action of the two bevel gears 22, so that the purposes of driving the conveying roller 4 to rotate and the conveying belt 3 to convey are achieved;

because the speed of manual picking is different, when the speed is fast, if the speed of the conveyer belt 3 is constant, the phenomenon of insufficient conveying capacity can possibly appear, the phenomenon of material accumulation on the conveyer belt 3 is caused, and the whole working efficiency is influenced, therefore, in order to solve the defect, when the picking speed is fast, the materials on the conveyer belt 3 are increased, the weight of the whole installation frame 2 is increased along with the increase, at the moment, the whole installation frame 2 can rotate downwards by taking the axis of the round tube 10 as a rotating point, and the friction wheel 21 can rotate upwards while driving the round tube 10 to rotate, so that the contact point of the friction wheel 21 and the driving wheel 16 moves upwards, and referring to fig. 7, when the contact point of the friction wheel 21 moves upwards, the transmission ratio of the driving wheel 16 and the friction wheel 21 is increased, so that the rotating speed of the friction wheel 21 is accelerated, the conveying speed of the conveyer belt 3 is further improved, the conveying capacity is improved, the phenomenon of material accumulation is avoided, and most importantly, the picking speed of workers and the packing speed of the workers on the moving platform 1 can be synchronized, and the whole working efficiency is further ensured.

On the contrary, when the picking speed of the worker is slowed down, the mounting frame 2 can keep a horizontal state under the supporting action of the elastic telescopic rod 12, and the conveying speed of the conveying belt 3 is the lowest at the moment, so that the conveying capacity of the conveying belt 3 can be automatically adjusted according to the picking speed of the worker, and the synchronous proceeding of the picking and packing procedures is ensured.

It should be noted that the spring 17 can ensure the friction transmission between the driving wheel 16 and the friction wheel 21, and the driving wheel 16 can be connected with an external motor by a spline shaft or the like, so that the driving wheel 16 can be driven to rotate and also can have a certain movement space.

In one of the preferred embodiments, the bottom of the extension plate 11 is mounted with rollers, and the rollers are rollably supported on the top of the mobile platform 1.

Referring specifically to fig. 6, the roller is provided to support the extension board 11, so that the stability of the extension board 11 is improved, and the stability of the mounting frame 2 is further improved.

In one preferred embodiment, an elastic air bag 23 is installed between two adjacent partition boards 5, the elastic air bag 23 is attached to the surface of the conveyor belt 3, a foam cushion 24 is fixed between two adjacent partition boards 5, the foam cushion 24 is attached to the elastic air bag 23, an air outlet hole 25 is formed in the outer wall of the elastic air bag 23, which is close to the foam cushion 24, when the elastic air bag 23 is bent by more than 90 degrees, air in the elastic air bag 23 is extruded from the air outlet hole 25, the conveyor belt 3 is bent by 180 degrees in a rotating way only at the tail end far away from the moving platform 1, and the rest bending positions are smaller than or equal to 90 degrees.

Because vegetables such as lettuce can be damaged and stored when being collided, and the vegetables are directly thrown onto the conveyor belt 3 when being picked manually, the elastic air bags 23 and the sponge cushions 24 can play a role in buffering and damping in order to reduce the damage degree caused by collision;

in the picking process, soil or dew is inevitably stained on vegetable leaves, the soil or dew is adhered to the sponge cushion 24, for cleaning the vegetable leaves, the elastic air bags 23 are folded together when the conveyor belt 3 is bent in the conveying process, and referring to fig. 9-10, when the elastic air bags 23 are bent over 90 degrees, the elastic air bags 23 are extruded enough to enable internal air to be extruded through the air outlet holes 25, namely, the air extruded by the air outlet holes 25 is extruded at the position a in fig. 9, and the air extruded by the air outlet holes 25 can be discharged from the gaps of the sponge cushion 24, so that a certain cleaning effect is achieved on the soil adhered on the sponge cushion 24;

then, when the elastic air bag 23 is moved again to the horizontal state, air is again sucked in under its own elastic force to repeatedly clean the sponge pad 24.

The side of the elastic air bag 23 can be provided with a unidirectional air inlet hole, so that the air can be prevented from entering from the air outlet hole 25 to cause the blocking of holes by soil on the foam cushion 24 during air suction.

The second embodiment is basically the same as the first embodiment, except that a second embodiment for adjusting the transmission speed of the conveyor belt 3 is provided;

in one preferred embodiment, the conveying roller 4 is driven by a motor arranged on the outer wall of the mounting frame 2, a pressure sensor is arranged in the elastic telescopic rod 12, and the pressure sensed by the pressure sensor is arranged in proportion to the rotation speed of the control motor.

The transmission roller 4 is directly driven to rotate by an external motor, the weight of the installation frame 2 is sensed by a pressure sensor in the elastic telescopic rod 12, and the rotation speed of the motor is electrically controlled by the change of the weight, so that the aim of adjusting the transmission speed of the transmission belt 3 can be fulfilled.

In one preferred embodiment, the top of the mobile platform 1 is provided with a ceiling 6, and the ceiling 6 is inclined to two sides.

In one of the preferred embodiments, the top of the mobile platform 1 is fitted with a protective shell 7 that encloses the vertical axis 15 and the rotation axis 8.

The vertical shaft 15 and the rotating shaft 8 can be protected to a certain extent through the protective shell 7, and the influence of external impurities such as vegetable leaves on the vertical shaft 15 and the rotating shaft 8 is avoided.

In one of the preferred embodiments, the device further comprises a conveyor belt assembly mounted on the mobile platform 1 and located between the two sets of conveyor assemblies, the conveyor belt assembly being used for receiving and conveying the goods falling on the conveyor belt 3.

The conveyer belt subassembly in this embodiment is the same with current conveyer belt, and its purpose is that lettuce that can carry the subassembly to carry is carried backward on moving platform 1 and is packed again, both can increase the packing staff on this basis, also can reduce the removal pile up neatly distance of packing case simultaneously.

In one preferred embodiment, two sides of the sweep of the mobile platform 1 are provided with detachable extension platforms, and the number of stacking boxes can be increased by additionally installing the extension platforms.

The standard components used in the present embodiment may be purchased directly from the market, and the nonstandard structural components according to the descriptions of the specification and the drawings may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that the specific description will not be made here.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mobile harvesting vehicle comprising a mobile platform (1), and the mobile platform (1) is pulled by a tractor head, characterized in that it further comprises:

the two groups of conveying components are respectively arranged at two sides of the mobile platform (1);

the conveying assembly comprises a mounting frame (2) which is arranged at the side part of the mobile platform (1) and can be rotationally adjusted to be parallel or perpendicular to the mobile platform (1), a plurality of conveying rollers (4) are rotationally arranged in the mounting frame (2), a conveying belt (3) which can rotationally convey to the mobile platform (1) is arranged between the conveying rollers (4) in a transmission manner, and partition plates (5) are arranged on the surface of the conveying belt (3) at intervals;

the top of the mobile platform (1) is vertically provided with a rotatable rotating shaft (8), the top end of the rotating shaft (8) is fixedly provided with a fixed seat (9), the outer wall of the fixed seat (9) is provided with a round hole, the side wall of the mounting frame (2) is fixedly provided with a round tube (10), the round tube (10) is inserted into and rotatably arranged in the round hole, the outer wall of the rotating shaft (8) is also fixedly provided with an extension plate (11), and an elastic telescopic rod (12) is arranged between the extension plate (11) and the mounting frame (2);

the top of the mobile platform (1) is also fixed with a limit seat (14), the outer wall of the mounting frame (2) far away from the round tube (10) is fixed with a round shaft (13), the round shaft (13) and the round tube (10) are coaxially arranged, and the outer wall of the limit seat (14) is provided with a clamping groove into which the round shaft (13) can be clamped;

an extending shaft (18) is fixed at the axis of one conveying roller (4), the extending shaft (18) extends out of the outer wall of the mounting frame (2) and stretches into the circular tube (10), the extending shaft (18) and the circular tube (10) are coaxially arranged, a groove is formed in the outer wall of the circular tube (10), a fixing plate (19) is fixed at the position of the groove, an intermediate shaft (20) is rotatably arranged on the outer wall of the fixing plate (19) through a shaft seat, the intermediate shaft (20) is vertically arranged with the extending shaft (18), the intermediate shaft (20) is in transmission connection with the extending shaft (18) through two mutually meshed bevel gears (22), and a friction wheel (21) is fixed at one end, far away from the extending shaft (18), of the intermediate shaft (20).

The top that mobile platform (1) is close to rotation axis (8) is fixed with vertical axis (15), is located vertical axis (15) outer wall above friction wheel (21) is installed rotatable drive wheel (16), the outer wall of drive wheel (16) is seted up to the cambered surface, just friction wheel (21) and the cambered surface friction transmission of drive wheel (16), install spring (17) between the arch at drive wheel (16) and vertical axis (15) top.

2. The mobile harvesting vehicle of claim 1, wherein: the bottom of the extension plate (11) is provided with a roller, and the roller is supported at the top of the mobile platform (1) in a rolling way.

3. The mobile harvesting vehicle of claim 1, wherein: install elasticity gasbag (23) between two adjacent baffle (5), just elasticity gasbag (23) are laminated with the surface of conveyer belt (3), and two adjacent still be fixed with foam-rubber cushion (24) between baffle (5), just foam-rubber cushion (24) laminate mutually with elasticity gasbag (23), venthole (25) have been seted up to the outer wall that elasticity gasbag (23) are close to foam-rubber cushion (24), and when elasticity gasbag (23) bend more than 90 degrees, air in elasticity gasbag (23) just can extrude from venthole (25), conveyer belt (3) only keep away from the end of moving platform (1) and be 180 degrees when rotating the bending, and all are less than or equal to 90 degrees in other bending departments.

4. The mobile harvesting vehicle of any of claims 1-3, wherein: the top of the mobile platform (1) is provided with a ceiling (6), and the ceiling (6) is obliquely arranged towards two sides.

5. The mobile harvesting vehicle of claim 1, wherein: the top of the mobile platform (1) is provided with a protective shell (7) which can cover the vertical shaft (15) and the rotating shaft (8).

6. The mobile harvesting vehicle of claim 1, wherein: the conveyor belt assembly is arranged on the mobile platform (1) and positioned between the two groups of conveying assemblies, and is used for containing and conveying goods falling on the conveyor belt (3).

7. The mobile harvesting vehicle of claim 1, wherein: the detachable extension platforms are arranged on two sides of the sweep of the mobile platform (1).