CN113519267A

CN113519267A - Hand self-propelled small-size hot pepper harvester

Info

Publication number: CN113519267A
Application number: CN202110785500.0A
Authority: CN
Inventors: 陈学庚; 杜传兴; 韩佃雷; 宋志强; 杨钧杰; 陈永成; 王新忠
Original assignee: Jiangsu University
Current assignee: Jiangsu University
Priority date: 2021-07-12
Filing date: 2021-07-12
Publication date: 2021-10-22
Anticipated expiration: 2041-07-12
Also published as: CN113519267B

Abstract

The invention provides a hand-held self-propelled small-sized pepper harvester which comprises a picking unit, a material collecting and discharging unit, a transmission unit and a chassis walking unit, wherein the picking unit is arranged on the chassis walking unit; the picking unit is arranged in front of the chassis walking unit, the collecting and discharging unit is arranged on the chassis walking unit and behind the picking unit, and the transmission unit is arranged on the chassis walking unit and connected with the picking unit to drive the picking unit to pick. The pepper harvester can harvest peppers directly in the field, greatly saves manpower and material resources, has reasonable structure, convenience and practicability, high clean picking rate and good picking effect in the actual working process, is particularly suitable for pepper harvesting operation in small-area planting areas, effectively improves the labor efficiency and reduces the pepper harvesting cost.

Description

Hand self-propelled small-size hot pepper harvester

Technical Field

The invention belongs to the technical field of agricultural machinery, and particularly relates to a hand-held self-propelled small pepper harvester which can harvest single-row peppers at one time.

Background

The hot pepper is rich in nutritive value, is not only an important vegetable, but also an important industrial raw material, and is widely applied to the industries of chemical industry, pharmacy and the like. The traditional hot pepper harvesting operation relies on manual picking, the labor intensity is high, the working efficiency is low, and the development of the hot pepper industry is severely restricted. Until now, a plurality of large pepper harvesting machines have been successfully developed at home and abroad, and are only suitable for pepper harvesting operation on large farms or large fields with the area of more than 1 hectare. In view of the fact that provincial terrains such as Jiangsu, Henan, Hubei, Yunnan and Guizhou in China are mainly hills, mountains and plains, the pepper planting is mainly performed on small field blocks or greenhouse plastic tents, the pepper planting area is mostly smaller than 1 hectare, and a large pepper harvester obviously cannot meet the working requirements. Therefore, the development of a small pepper harvesting machine suitable for operation under the conditions of small fields or greenhouses is an urgent problem to be solved. The walking self-propelled small-sized pepper harvester can be well adapted to the agricultural characteristics of pepper planting in the east region of China, and can harvest peppers.

Disclosure of Invention

Aiming at the technical problems, the invention provides a hand-held self-propelled small-sized pepper harvester which integrates picking, collecting and discharging, and has the advantages of high operating efficiency, high harvesting rate, good harvesting quality, economy and practicability.

The technical scheme of the invention is as follows: a hand-held self-propelled small-sized pepper harvester comprises a picking unit, a material collecting and discharging unit, a transmission unit and a chassis walking unit;

the picking unit is arranged in front of the chassis walking unit, the collecting and discharging unit is arranged on the chassis walking unit and behind the picking unit, and the transmission unit is arranged on the chassis walking unit and connected with the picking unit to drive the picking unit to pick.

In the above scheme, the picking unit comprises a picking frame, a picking screw fixing frame and a divider;

the picking frame comprises a picking pressure rod height adjuster, a picking pressure rod and a picking frame rack; a picking pressure rod height adjuster is arranged on the picking frame, and a picking pressure rod is arranged on the picking pressure rod height adjuster; the front end of the picking screw is connected with the picking screw fixing frame and is arranged on the frame of the chassis walking unit; a pair of trumpet-shaped dividers are arranged in front of the picking helix, and the dividers are arranged at the front end of the frame of the chassis walking unit and on the picking frame.

Furthermore, the periphery of the frame of the picking frame is coated with a plastic film.

Furthermore, a plurality of height gradient holes are formed in the picking pressure rod height adjuster and used for adjusting the mounting height of the picking pressure rod, so that hot peppers at high positions are pressed down to smoothly enter the middle of the high-speed rotating picking spiral to be picked.

In the scheme, the material collecting and discharging unit comprises a material box and a front baffle of the material box; the workbin is located the rear of picking the unit, and the symmetry slope has installed a pair of workbin front baffle in the frame of picking unit front lower place chassis walking unit, baffle before the workbin is used for blockking splashing of low position hot pepper and drops, makes the hot pepper roll along the inclined plane of workbin front baffle and falls back the workbin.

In the scheme, the transmission unit comprises a flywheel, a belt transmission mechanism and a two-stage conical cylindrical gear reduction box; an engine output shaft of the chassis walking unit is connected with the secondary conical cylindrical gear reduction box through a belt transmission mechanism; the flywheel is mounted on the engine output shaft.

In the scheme, the two-stage conical cylindrical gear reduction box comprises a small bevel gear, a large bevel gear, a small helical gear, a large helical gear, a left helical meshing gear, a right helical meshing gear, a left picking helical shaft, a reduction box output shaft and a reduction box intermediate shaft; the power of the input shaft of the reduction gearbox is transmitted to the intermediate shaft of the reduction gearbox after first-stage speed reduction and reversing by the engagement of the small bevel gear and the large bevel gear, the engagement of the small bevel gear on the intermediate shaft of the reduction gearbox and the large bevel gear on the output shaft of the reduction gearbox forms second-stage speed reduction, then the power is transmitted to the right spiral engaging gear on the output shaft of the reduction gearbox, and the left picking spiral shaft and the picking spiral connected on the output shaft of the reduction gearbox are enabled to obtain opposite rotating speeds through the synchronous engagement of the right spiral engaging gear and the left spiral engaging gear.

In the scheme, the two-stage conical cylindrical gear reduction box comprises a small bevel gear, a large bevel gear, a small helical gear, a large helical gear, a left helical meshing gear, a right helical meshing gear, a left picking helical shaft, a reduction box output shaft and a reduction box intermediate shaft; the power of the input shaft of the reduction gearbox is transmitted to the large helical gear on the intermediate shaft of the reduction gearbox through the small helical gear, so that the small helical gear on the intermediate shaft of the reduction gearbox drives the large helical gear, the left helical meshing gear and the right helical meshing gear on the output shaft of the reduction gearbox are meshed synchronously, and the left picking helical shaft and the picking helix connected to the output shaft of the reduction gearbox obtain opposite rotating speeds.

In the scheme, the chassis walking unit comprises a rear wheel of a pepper harvester, an engine, a hand-held handle, a rack height adjuster, a front guide wheel and a rack; the hot pepper harvester is characterized in that the engine drives the rear wheel of the hot pepper harvester to walk, the hand-held handle is arranged above the engine, the front guide wheel is arranged at the front part of the rack through the rack height adjuster, and the height between the rack and the ground is adjusted through the rack height adjuster.

In the above scheme, the picking helix comprises a left picking helix and a right picking helix arranged in pairs; two spiral lines which are distributed in an angle of 180 degrees are seamlessly wound on the spiral shafts of the left picking spiral and the right picking spiral.

In the scheme, the transmission unit comprises a hydraulic motor and a two-stage conical cylindrical gear reduction box; the hydraulic motor is connected with the two-stage conical cylindrical gear reduction box to drive the picking spiral to rotate.

Compared with the prior art, the invention has the beneficial effects that: the pepper harvester can harvest peppers directly in the field, greatly saves manpower and material resources, has reasonable structure, convenience and practicability, high clean picking rate and good picking effect in the actual working process, is particularly suitable for pepper harvesting operation in small-area planting areas, effectively improves the labor efficiency and reduces the pepper harvesting cost.

Drawings

Fig. 1 is a perspective view of a walking self-propelled small pepper harvester according to an embodiment of the invention.

Fig. 2 is a front view of a walking self-propelled small pepper harvester according to an embodiment of the present invention.

Fig. 3 is a left side view of a walking self-propelled small pepper harvester according to an embodiment of the invention.

Fig. 4 is a top view of a walking self-propelled small pepper harvester according to an embodiment of the invention.

FIG. 5 is a schematic sectional view of a two-stage conical-cylindrical gear reduction box in the A-A direction according to an embodiment of the present invention.

FIG. 6 is a schematic structural diagram of a two-stage conical-cylindrical gear reduction gearbox according to a second embodiment of the invention.

Fig. 7 is a schematic view of a picking helix according to an embodiment of the present invention.

Wherein: 1-picking unit, 101-picking frame, 1011-picking pressure bar height adjuster, 1012-picking pressure bar, 1013-picking frame, 102-picking screw, 1021-left picking screw, 1022-right picking screw, 10211-screw shaft, 10212-screw line, 103-picking screw fixing frame, 104-divider, 2-collecting and discharging unit, 201-bin, 2011-left bin, 2012-right bin, 202 bin front baffle, 203-bin handle, 3-transmission unit, 301-flywheel, 302-belt transmission mechanism, 3021-reduction box input shaft, 303-two-stage conical cylindrical gear reduction box, 3031-small bevel gear, 3032-large bevel gear, 3033-small bevel gear, 3034-large bevel gear, 3035-left screw meshing gear, 3036-right screw meshing gear, 3037-left picking screw shaft, 3038-reduction gearbox output shaft, 3039-reduction gearbox intermediate shaft, 4-chassis walking unit, 401-pepper harvester rear wheel, 402-engine, 403-hand handle, 404-frame height adjuster, 405-front guide wheel and 406-frame.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "axial," "radial," "vertical," "horizontal," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Fig. 1 and 2 show a preferred embodiment of the walking and self-propelled small pepper harvester of the present invention, which comprises a picking unit 1, a material collecting and discharging unit 2, a transmission unit 3 and a chassis walking unit 4; picking unit 1 installs in the front of chassis walking unit 4, and collection unloading unit 2 installs on chassis walking unit 4, and is located the back of picking unit 1, drive unit 3 installs on chassis walking unit 4, is connected with picking unit 1, drives and picks unit 1 and picks.

As shown in fig. 3, picking unit 1 comprises picking frame 101, picking screw 102, picking screw mount 103 and crop divider 104; picking frame 101 comprises picking pressure bar height adjuster 1011, picking pressure bar 1012 and picking frame 1013; the picking frame 1013 is formed by welding square steel and is welded and fixed on the frame 406, the picking pressure rod height adjuster 1011 is arranged on the picking frame 1013, and the picking pressure rod 1012 is arranged on the picking pressure rod height adjuster 1011; the front end of the picking screw 102 is connected with the picking screw fixing frame 103 and is arranged on the frame 406 of the chassis walking unit 4; a pair of flared crop dividers 104 are arranged in front of the picking screw 102, and the bottom ends and the top ends of the crop dividers 104 are respectively welded and installed on the front end of the frame 406 of the chassis walking unit 4 and the picking frame 1013 by square steel. The plastic film is coated on the periphery of the frame of the picking frame 101, so that splashing and falling loss of the hot peppers at high positions in the picking process can be effectively limited. The picking pressure rod height adjuster 1011 is provided with a plurality of height gradient holes for adjusting the installation height of the picking pressure rod 1012, so that hot peppers at high positions are pressed down to smoothly enter the middle of the high-speed rotating picking screw 102 to be picked.

As shown in fig. 4 and 7, the picking helix 102 comprises a left picking helix 1021 and a right picking helix 1022 arranged in pairs of double helices; two spiral lines 10212 distributed in 180 degrees are seamlessly wound on the spiral shafts 10211 of the left picking spiral 1021 and the right picking spiral 1022, the picking spirals 102 are arranged in pairs in a double-spiral mode, and in the advancing process of the hand-held self-propelled small pepper harvester, peppers in one row enter a gap between the pair of picking spirals 102 and are picked under the friction, combing and beating effects of the rotating picking spirals 102.

The material collecting and discharging unit 2 comprises a material box 201, a front baffle plate 202 of the material box and a handle 203 of the material box; the bin 201 is located behind the picking unit 1, a pair of bin front baffles 202 are symmetrically and obliquely arranged on the frame 406 of the chassis walking unit 4 below the picking frame 101 of the picking unit 1, and the obliquely arranged bin front baffles 202 are used for effectively preventing hot peppers from splashing and falling off from the lower part, so that the hot peppers roll down along the inclined surface of the bin front baffles 202 to return to the bin 201.

Preferably, a left bin 2011 and a right bin 2012 are symmetrically arranged at the left and the right below the picking helix 102, and the two bins 201 are installed at the bottom position of the frame 406; the bin 201 is provided with a bin handle 203, so that the bin 201 can be conveniently taken out from the left side and the right side respectively for discharging.

As shown in FIG. 5, the sectional structure of the two-stage conical-cylindrical gear reduction box 303A-A is shown, and the reduction box performs two-stage gear reduction on the power reduced by the belt wheel transmission mechanism. As shown in fig. 2 and 5, the transmission unit 3 includes a flywheel 301, a belt transmission mechanism 302 and a two-stage conical-cylindrical gear reduction box 303; the secondary conical cylindrical gear reduction box 303 is positioned at the upper part of the picking unit 1, and an output shaft of an engine 402 of the chassis walking unit 4 is connected with the secondary conical cylindrical gear reduction box 303 through a belt transmission mechanism 302; the flywheel 301 is mounted on the output shaft of the engine 402; the two-stage conical cylindrical gear reduction box 303 comprises a small conical gear 3031, a large conical gear 3032, a small helical gear 3033, a large helical gear 3034, a left helical meshing gear 3035, a right helical meshing gear 3036, a left picking helical shaft 3037, a reduction box output shaft 3038 and a reduction box intermediate shaft 3039; the power of the input shaft 3021 of the reduction gearbox is transmitted to the intermediate shaft 3039 of the reduction gearbox after the first-stage speed reduction and reversing by the meshing of the small bevel gear 3031 and the large bevel gear 3032, the second-stage speed reduction is formed by the meshing of the small bevel gear 3033 on the intermediate shaft 3039 of the reduction gearbox and the large bevel gear 3034 on the output shaft 3038 of the reduction gearbox, and then the power is transmitted to the right spiral meshing gear 3036 on the output shaft 3038 of the reduction gearbox, and the picking spirals 102 connected on the left picking spiral shaft 3037 and the output shaft 3038 of the reduction gearbox obtain opposite rotating speeds through the synchronous meshing of the right spiral meshing gear 3036 and the left spiral meshing gear 3035.

Preferably, the tail part of the frame 406 is provided with a second-stage conical-cylindrical gear reduction box 303 through a bolt, and a part of the power of the engine 402 on the tail end of the frame 406 is transmitted to the picking screw 102 after being reduced by the belt transmission mechanism 302 and the second-stage conical-cylindrical gear reduction box 303, so that the picking screw 102 obtains a working rotation speed of 500 plus 700 rpm, and then the picking of the pepper is completed. The belt transmission mechanism 302 is fixedly provided with the flywheel 301 through bolts, so that the stabilizing and speed regulating effects can be achieved; the other part of the power of the engine 402 is transmitted to the rear wheel 401 of the pepper harvester after being decelerated, preferably, the pepper harvester keeps the working walking speed of about 0.3m/s, and then the pepper is reasonably picked.

The chassis walking unit 4 comprises a pepper harvester rear wheel 401, an engine 402, a hand grip 403, a frame height adjuster 404, a front guide wheel 405 and a frame 406; the pepper harvester is characterized in that the engine 402 drives the rear wheel 401 of the pepper harvester to walk, the hand-held handle 403 is installed above the engine 402, the frame 406 is formed by welding square steel, channel steel or round steel, the front guide wheel 405 can rotate 360 degrees and is installed in the front of the frame 406 through the frame height adjuster 404, the height between the frame 406 and the ground is adjusted through the frame height adjuster 404, the installation inclination angle and the minimum picking height of the picking helix 102 are changed, picking parameters can be reasonably adjusted according to peppers with different heights to obtain the optimal picking effect, the good picking rate is finally guaranteed, and the impurity containing rate is reduced. Preferably, the engine 402 is a diesel engine.

The pepper harvester can directly harvest peppers in the field, realizes harvesting of single row peppers at one time, greatly saves manpower and material resources, has compact and reasonable structure, good picking effect and high picking rate in the actual working process, is convenient and practical, is particularly suitable for small field operation in small planting areas, effectively improves the labor efficiency and reduces the pepper harvesting cost.

The working process of the hand-held self-propelled small pepper harvester is as follows: when pepper picking operation is carried out, the whole machine is mainly driven by the power of the engine 402 on the frame 406 to realize walking and driving. On one hand, a part of power of the engine 402 drives the rear wheel 401 of the pepper harvester to rotate through an internal speed reducer, so that the pepper harvester is ensured to obtain a slow and stable working and traveling speed. An operator can adjust the advancing direction of the pepper harvester by controlling the hand-held handle 403 at the tail of the pepper harvester, so that the pepper harvester can be ensured to advance straightly. On the other hand, the other part of the power of the motor 402 is transmitted to the front picking screws 102 after being decelerated by the belt wheel transmission mechanism 302 and the two-stage conical-cylindrical gear reduction box 303, so that the pair of picking screws 102 which are arranged in an inclined way obtain the rotating speeds in opposite directions, for example, the left picking screw 1021 rotates anticlockwise, and the right picking screw 1022 rotates clockwise. As the pepper harvester advances, a row of peppers is continuously fed between the left picking screw 1021 and the right picking screw 1022 through the front pair of hopper-shaped dividers 104. The pepper fruits on the pepper plants are successfully picked and fall into the left bin 2011 and the right bin 2012 which are symmetrically distributed at two sides under the actions of friction, combing and beating of the picking spiral 102 rotating at a high speed. The picking frame 101 is arranged above the picking spiral, the picking pressure rod 1012 with adjustable height is arranged on the picking frame 101, and hot pepper fruits at higher positions on hot pepper plants can be pressed down by the picking pressure rod 1012 to enter the middle of the picking spiral 102, so that the hot pepper plants can be picked without leakage. In addition, the front guide wheel 405 of the pepper harvester is also provided with a frame height adjuster 404, so that the height between the frame 406 and the ground can be adjusted, and further the installation inclination angle and the lowest picking height of the picking screw 102 are changed, wherein the installation inclination angle is an acute angle between the picking screw 102 and the ground, and the lowest picking height is the height of the lowest position on the picking screw 102, at which pepper can be successfully picked. When the peppers with different heights are picked, the optimum picking effect is obtained by reasonably adjusting picking parameters, so that the good picking rate is finally ensured, and the impurity rate is reduced.

Example 2

As shown in fig. 6, the difference between this embodiment and embodiment 1 is that the walking self-propelled small pepper harvester puts the engagement of two bevel gears to the second stage of speed reduction, and the engagement of two bevel gears to the first stage of speed reduction, and after the change, the output shaft of the reduction gearbox where the large bevel gear is located is arranged with a left spiral engaging gear, so as to be synchronously engaged with a right spiral engaging gear, and the same picking spiral rotating effect as embodiment 1 is achieved. Specifically, the transmission unit 3 comprises a flywheel 301, a belt transmission mechanism 302 and a secondary conical-cylindrical gear reduction box 303; an output shaft of an engine 402 of the disk walking unit 4 is connected with the secondary conical cylindrical gear reduction box 303 through a belt transmission mechanism 302; the flywheel 301 is mounted on the output shaft of the engine 402; the two-stage conical cylindrical gear reduction box 303 comprises a small conical gear 3031, a large conical gear 3032, a small helical gear 3033, a large helical gear 3034, a left helical meshing gear 3035, a right helical meshing gear 3036, a left picking helical shaft 3037, a reduction box output shaft 3038 and a reduction box intermediate shaft 3039; the power of the input shaft 3021 of the reduction gearbox is transmitted to the large helical gear 3034 on the intermediate shaft 3039 of the reduction gearbox through the small helical gear 3033, so that the small helical gear 3031 on the intermediate shaft 3039 of the reduction gearbox drives the large helical gear 3032, the left helical meshing gear 3035 and the right helical meshing gear 3036 on the output shaft 3038 of the reduction gearbox are synchronously meshed, and the left picking helical shaft 3037 and the picking helical 102 connected on the output shaft 3038 of the reduction gearbox are enabled to obtain opposite rotating speeds. In the embodiment, the reduction device in the two-stage conical-cylindrical gear reduction box 303 in the embodiment 1 is rearranged, the engagement of the pair of bevel gears is put into the second-stage reduction, the engagement of the pair of bevel gears is put into the first-stage reduction, and the left spiral engaging gear 3035 is arranged on the reduction box output shaft 3038 where the large bevel gear 3032 is arranged after the change, so that the left spiral engaging gear 3035 is synchronously engaged with the right spiral engaging gear 3036, and the same picking spiral rotating effect as the embodiment 1 is realized.

Example 3

The difference between the embodiment and the embodiment 1 is that the transmission unit 3 comprises a hydraulic motor and a two-stage conical-cylindrical gear reduction box 303; the hydraulic motor is connected with a two-stage conical-cylindrical gear reduction box 303 to drive the picking screw 102 to rotate. This embodiment compares embodiment 1 and adjusts picking spiral rotational speed more easily, is favorable to improving picking efficiency. But adds extra weight to the whole machine, improves the production cost and is not beneficial to the operation of operators.

It should be understood that although the present description has been described in terms of various embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and those skilled in the art will recognize that the embodiments described herein may be combined as suitable to form other embodiments, as will be appreciated by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A hand-held self-propelled small-sized pepper harvester is characterized by comprising a picking unit (1), a material collecting and discharging unit (2), a transmission unit (3) and a chassis walking unit (4);

picking unit (1) is installed in front of chassis walking unit (4), and collection unloading unit (2) is installed on chassis walking unit (4) and is located the back of picking unit (1), transmission unit (3) is installed on chassis walking unit (4), is connected with picking unit (1), and the drive is picked unit (1) and is picked.

2. A hand-held self-propelled small capsicum harvester according to claim 1 wherein the picking unit (1) comprises a picking frame (101), a picking screw (102), a picking screw holder (103) and a crop divider (104);

the picking frame (101) comprises a picking pressure rod height adjuster (1011), a picking pressure rod (1012) and a picking frame rack (1013); a picking pressure rod height adjuster (1011) is arranged on the picking frame rack (1013), and a picking pressure rod (1012) is arranged on the picking pressure rod height adjuster (1011); the front end of the picking spiral (102) is connected with a picking spiral fixing frame (103) and is arranged on a frame (406) of the chassis walking unit (4); a pair of straw dividers (104) arranged in a trumpet shape are arranged in front of the picking spiral (102), and the straw dividers (104) are arranged at the front end of a frame (406) of the chassis walking unit (4) and on a picking frame (1013).

3. The walking self-propelled small capsicum harvester according to claim 2, wherein the frame periphery of the picking frame (101) is coated with plastic film.

4. The walking self-propelled small-sized pepper harvester as claimed in claim 2, wherein the height adjuster (1011) of the picking pressure bar is provided with a plurality of height gradient holes for adjusting the installation height of the picking pressure bar (1012) so that the pepper at a high position is pressed down to smoothly enter the middle of the high-speed rotating picking screw (102) for picking.

5. A hand-held self-propelled small pepper harvester according to claim 1, wherein the collecting and discharging unit (2) comprises a hopper (201), a front baffle (202) of the hopper; the feed box (201) is located behind the picking unit (1), a pair of front feed box baffles (202) are symmetrically and obliquely arranged on a rack (406) of the bottom plate walking unit (4) below the front of the picking unit (1), and the front feed box baffles (202) are used for preventing hot peppers at a lower position from splashing and falling off, so that the hot peppers roll down along the inclined surface of the front feed box baffles (202) to return to the feed box (201).

6. A walking self-propelled small-sized pepper harvester according to claim 1, wherein the transmission unit (3) comprises a flywheel (301), a belt transmission mechanism (302) and a secondary conical-cylindrical gear reduction box (303);

an output shaft of an engine (402) of the disk walking unit (4) is connected with the secondary conical cylindrical gear reduction box (303) through a belt transmission mechanism (302); the flywheel (301) is mounted on an output shaft of the engine (402).

7. The hand-propelled small-sized pepper harvester according to claim 6, wherein the secondary conical cylindrical gear reduction box (303) comprises a small conical gear (3031), a large conical gear (3032), a small helical gear (3033), a large helical gear (3034), a left helical meshing gear (3035), a right helical meshing gear (3036), a left picking helical shaft (3037), a reduction box output shaft (3038) and a reduction box intermediate shaft (3039); the power of the input shaft (3021) of the reduction gearbox is transmitted to the intermediate shaft (3039) of the reduction gearbox after first-stage speed reduction and reversing through the meshing of the small bevel gear (3031) and the large bevel gear (3032), the small bevel gear (3033) on the intermediate shaft (3039) of the reduction gearbox and the large bevel gear (3034) on the output shaft (3038) of the reduction gearbox form second-stage speed reduction through meshing, then the power is transmitted to the right spiral meshing gear (3036) on the output shaft (3038) of the reduction gearbox, and the left picking spiral shaft (3037) and the picking spiral (102) connected with the output shaft (3038) of the reduction gearbox are enabled to obtain opposite rotating speeds through synchronous meshing of the right spiral meshing gear (3036) and the left spiral meshing gear (3035).

8. The hand-propelled small-sized pepper harvester according to claim 6, wherein the secondary conical cylindrical gear reduction box (303) comprises a small conical gear (3031), a large conical gear (3032), a small helical gear (3033), a large helical gear (3034), a left helical meshing gear (3035), a right helical meshing gear (3036), a left picking helical shaft (3037), a reduction box output shaft (3038) and a reduction box intermediate shaft (3039); the power of the input shaft (3021) of the reduction gearbox is transmitted to the large helical gear (3034) on the intermediate shaft (3039) of the reduction gearbox through the small helical gear (3033), so that the small helical gear (3031) on the intermediate shaft (3039) of the reduction gearbox drives the large helical gear (3032), the left helical meshing gear (3035) and the right helical meshing gear (3036) on the output shaft (3038) of the reduction gearbox are synchronously meshed, and the left picking helical shaft (3037) and the picking helical shaft (102) connected with the output shaft (3038) of the reduction gearbox are enabled to obtain opposite rotating speeds.

9. The walking self-propelled small capsicum harvester according to the claim 1, wherein the chassis walking unit (4) comprises capsicum harvester rear wheel (401), engine (402), walking handle (403), frame height adjuster (404), front guide wheel (405) and frame (406); the pepper harvester is characterized in that the engine (402) drives the rear wheel (401) of the pepper harvester to walk, the hand-held handle (403) is installed above the engine (402), the front guide wheel (405) is installed on the front portion of the rack (406) through the rack height adjuster (404), and the height between the rack (406) and the ground is adjusted through the rack height adjuster (404).

10. A walking self-propelled small capsicum harvester according to claim 1 wherein the picking screw (102) comprises a left picking screw (1021) and a right picking screw (1022) arranged in pairs of double screws; two spiral lines (10212) distributed in 180 degrees are seamlessly wound on the spiral shaft (10211) of the left picking spiral (1021) and the right picking spiral (1022).