CN219938985U - Pepper picking mechanism with adjustable row spacing and small hand-held pepper harvester - Google Patents

Abstract

The utility model provides a row spacing adjustable pepper picking device and a hand-held pepper harvester, wherein a rack, a picking mechanism and a row spacing adjusting device are arranged on the rack; the picking mechanism and the row spacing adjusting device are arranged on the frame; the picking mechanism comprises a hexagonal transmission shaft and at least two picking units, wherein the hexagonal transmission shaft is connected with the picking units in an infinitely variable manner, and the hexagonal transmission shaft is perpendicular to the picking units; the picking unit comprises a picking roller; the picking roller of the picking mechanism is arranged on a row spacing adjusting device, the row spacing adjusting device is arranged on a frame, a slotted hole perpendicular to the picking roller is arranged at the mounting position of the row spacing adjusting device of the frame, and the row spacing adjusting device is matched with the slotted hole. The utility model can adjust the space between the picking rollers by only adjusting the slotted hole installation position of the row spacing adjusting device on the frame, is suitable for harvesting peppers with different planting row spacing, improves the harvest rate, and has the advantages of simple structure, high stability, convenient operation and easy maintenance.

Description

Pepper picking mechanism with adjustable row spacing and small hand-held pepper harvester

Technical Field

The utility model belongs to the field of pepper harvesters, and particularly relates to a row spacing adjustable pepper picking mechanism and a small hand-held pepper harvester.

Background

The capsicum is popular with people by virtue of the unique flavor, and the capsicum contains abundant vitamin C, wherein the vitamin C content is 14.81-18.28 mg/100 g, and the vitamin C can promote the synthesis of collagen, has the effects of maintaining beauty and keeping young, and is beneficial to improving the body immunity. In addition to processed foods of capsicum, capsanthin and capsaicin contained in capsicum are also commonly used in the production of other products, and are relatively common in industries such as cosmetics, medicines and health care due to high nutritive value and utilization value.

At present, 28 provinces of China are used for planting the peppers, but other areas mainly rely on manual picking except that mechanical harvesting of the peppers is realized in part of areas such as Xinjiang, shaanxi, guizhou and the like; and because the planting row spacing of the peppers in different areas is slightly different, when the peppers in two or more rows are harvested, the row spacing is changed, so that the pepper picking rate is reduced, and the harvesting of the peppers planted in small fields faces an 'inorganic usability' embarrassing situation. The cost of manually picking the peppers is high, the efficiency is low, the optimal picking period of the peppers is easily delayed, and the quality of the peppers is influenced. With the continuous increase of the manual picking cost, if the problems in the chilli harvesting are not solved, the development of the chilli industry in China is hindered to a certain extent.

Therefore, the two-row hand-held pepper harvester which is suitable for small-field operation and has high net picking rate, low breakage rate and adjustable row spacing is developed, and is a key technical problem to be solved urgently in China.

Disclosure of Invention

Aiming at the technical problems, one of the purposes of one mode of the utility model is to provide a row spacing adjustable pepper picking device, which can adjust the spacing between picking rollers, is suitable for harvesting peppers with different planting row spacing, and realizes high net picking rate and low breakage rate.

One of the purposes of one mode of the utility model is to provide a small-sized hand-held hot pepper harvester, which comprises a frame, a picking mechanism, a row spacing adjusting device, a material conveying device, a material collecting device, a power device and a chassis; the utility model can adjust the slot installation position of the row spacing adjusting device on the frame, thereby adjusting the spacing between the picking rollers and being suitable for harvesting peppers with different planting row spacing.

Note that the description of these objects does not prevent the existence of other objects. Not all of the above objects need be achieved in one embodiment of the present utility model. Other objects than the above objects can be extracted from the description of the specification, drawings, and claims.

The present utility model achieves the above technical object by the following means.

A row spacing adjustable pepper picking device comprises a frame, a picking mechanism and a row spacing adjusting device;

the picking mechanism and the row spacing adjusting device are arranged on the frame; the picking mechanism comprises a hexagonal transmission shaft and at least two picking units, wherein the hexagonal transmission shaft is connected with the picking units in an infinitely variable manner, and the hexagonal transmission shaft is perpendicular to the picking units; the picking unit comprises a picking roller; the picking roller of the picking mechanism is arranged on a row spacing adjusting device, the row spacing adjusting device is arranged on a frame, a slotted hole perpendicular to the picking roller is arranged at the mounting position of the row spacing adjusting device, the row spacing adjusting device is matched with the slotted hole, the position of the row spacing adjusting device in the slotted hole is changed, and the hexagonal transmission shaft and the picking unit are subjected to stepless adjustment, so that the distance between the picking roller is adjusted.

In the above scheme, the row spacing adjusting device comprises a first bearing seat, a second bearing seat mounting frame and a second bearing seat;

the first bearing seat and the second bearing seat mounting frame are respectively arranged on the frame, and one end of the picking roller is arranged on the first bearing seat; the frame is provided with a slotted hole perpendicular to the picking roller at the mounting position of the first bearing seat; the second bearing mounting frame is provided with a gasket parallel to the picking roller; the second bearing is arranged on the second bearing mounting frame; the other end of the picking roller is arranged on the second bearing seat.

Further, the picking unit further comprises a universal joint coupler and a right-angle gear box; the gear of the right-angle gear box is connected with the hexagonal transmission shaft in a stepless adjustment manner; one end of the universal joint coupler is connected with the right-angle gear box, and the other end of the universal joint coupler is connected with the picking roller.

In the scheme, the picking roller is a comb-type spiral picking roller or a hollow spiral picking roller.

In the above scheme, the comb finger type spiral picking roller comprises a central shaft and comb fingers, wherein two rows of comb fingers which are spirally distributed are arranged on the central shaft, and the comb finger distance between the comb fingers is 20mm.

The small hand-held pepper harvester comprises a row spacing adjustable pepper picking device, and further comprises a conveying device, a collecting device, a power device and a chassis;

the chassis is arranged at the bottom of the frame; the material conveying devices are arranged on two sides of the picking mechanism; the collecting device is arranged at the rear of the picking mechanism; the power device is arranged at the rear end of the frame and is connected with the chassis; the rear part of the frame is provided with a handrail.

In the scheme, the material conveying device comprises an unpowered roller, a transmission belt, an intermediate roller, a tensioning wheel mounting plate, a powered roller, a conveying device coupler and a conveying device transmission shaft; the unpowered roller is arranged at the bottom of the front end of the frame; the middle roller is arranged on the frame; the power roller is arranged at the top of the frame and connected with the power device; the conveyer belt is arranged on the frame through the unpowered roller, the middle roller and the powered roller, the tensioning wheel mounting plate is arranged on the frame, and the tensioning wheel is arranged on the tensioning wheel mounting plate and is in contact with the conveyer belt.

In the scheme, the material collecting device comprises a material collecting box body, a spiral auger and a material supporting plate, wherein the spiral auger is arranged at the rear of the material conveying device, and spiral blades with opposite directions are arranged on two sides of the spiral auger; the material collecting box body is arranged below the spiral auger; the material backup pad is located the discharge gate below of collection box, the box discharge gate that gathers materials goes out to be provided with a plurality of material bag fixing device.

In the scheme, the power device comprises an engine, a driven sprocket, a feeding device sprocket, a collecting device sprocket, a driving sprocket, a driven pulley, a driving pulley, a feeding device driving sprocket and a V-shaped belt;

the engine output shaft is connected with a driving belt pulley, and the driving belt pulley is connected with a driven belt pulley through a V-shaped belt; the driven belt wheel is connected with a driving chain wheel, the driving chain wheel is connected with a driven chain wheel, and the driven chain wheel is connected with the picking mechanism;

the driven sprocket is also connected with a material conveying device driving sprocket, the material conveying device driving sprocket is connected with a material conveying device sprocket and a material collecting device sprocket, the material conveying device sprocket is connected with the material conveying device, and the material collecting device sprocket is connected with the material collecting device.

In the scheme, the bottom of the front end of the frame is provided with the auxiliary wheel, and the auxiliary wheel is connected with the chassis through the three-point suspension device.

Compared with the prior art, the utility model has the beneficial effects that:

the picking rollers of the row spacing adjustable pepper picking mechanism are arranged on the bearing seats on the slotted holes of the machine frame, which are vertical to the picking rollers, and the spacing between the picking rollers can be adjusted only by adjusting the slotted hole installation positions of the row spacing adjusting device on the machine frame, so that the pepper picking mechanism is suitable for harvesting peppers with different planting row spacing and improves the harvest rate. The row spacing adjusting device provided by the utility model has the advantages of simple structure, high stability, convenience in operation, high reliability and easiness in maintenance on the frame.

The small-sized hand-held pepper harvester can harvest peppers with different planting row spacing, improves the harvest rate by adjusting the picking widths of the pair of picking rollers, has a simple structure and high stability, and meets the harvesting operation under different planting environments.

Note that the description of these effects does not hinder the existence of other effects. One embodiment of the present utility model does not necessarily have to have

Has an upper part

The effect is as follows. Effects other than the above are obvious and can be extracted from the description of the specification, drawings, claims, and the like.

Drawings

Fig. 1 is a schematic structural view of a row spacing adjustable pepper picking device according to an embodiment of the present utility model.

Fig. 2 is a schematic view of a row spacing adjustment device and picking mechanism according to an embodiment of the utility model.

Fig. 3 is a schematic view of a comb-type spiral picker roll in accordance with one embodiment of the present utility model.

Fig. 4 is a schematic view of a hollow spiral picker roll in accordance with one embodiment of the present utility model.

Fig. 5 is a left side view of a small hand-held pepper harvester according to an embodiment of the utility model.

Fig. 6 is a top view of a small walk behind pepper harvester according to an embodiment of the utility model.

Fig. 7 is a right side view of a small hand-held pepper harvester according to an embodiment of the utility model.

Fig. 8 is a block diagram of a hexagonal propeller shaft and right angle gearbox according to an embodiment of the present utility model.

In the figure: 1. a frame; 2. a picking mechanism; 3. a row spacing adjusting device; 4. a material conveying device; 401. an unpowered roller; 402. a transfer bag; 403. an intermediate drum; 404. a tensioning wheel mounting plate; 405. a tensioning wheel; 406. a power roller; 407. a third bearing seat; 5. a collecting device; 6. a power device; 7. a material support frame; 8. a three-point suspension device; 9. an auxiliary wheel; 10. a chassis; 11. comb finger type spiral picking rollers; 12. a first bearing seat; 13. a universal joint coupling; 14. a right angle gearbox; 15. hexagonal transmission shaft; 17. a second bearing mount; 18. a second bearing seat; 19. an intermediate conveyor belt; 20. a side conveyor belt; 21. a conveyor coupling; 22. a transmission shaft of the conveying device; 23. a spiral auger; 24. a material collecting box body; 25. a material bag fixing device; 26. a driven sprocket; 27. sprocket of material conveying device; 28. a sprocket of a material collecting device; 29. a drive sprocket; 30. a driven pulley; 31. a driving pulley; 32. a driving sprocket of the material conveying device; 33. a V-shaped bag; 34. a chain; 35. a conveyor chain; 36. a crop divider; 37. picking breadth; 38. picking row spacing; 39. hollow spiral picking roller.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "front", "rear", "left", "right", "upper", "lower", "axial", "radial", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Example 1

Fig. 1 shows a preferred embodiment of the row spacing adjustable pepper picking device, which comprises a frame 1, a picking mechanism 2 and a row spacing adjusting device 3;

the picking mechanism 2 and the row spacing adjusting device 3 are arranged on the frame 1;

the picking roller of the picking mechanism 2 is arranged on the row spacing adjusting device 3, the row spacing adjusting device 3 is arranged on the frame 1, and slotted holes perpendicular to the picking roller are formed in the mounting position of the row spacing adjusting device 3 of the frame 1.

As shown in fig. 3 and 4, according to the present embodiment, it is preferable that the picking roller is a comb-type spiral picking roller 11 or a hollow spiral picking roller 39. Comb-finger type spiral picking roller 11 is mainly used for harvesting dry peppers such as pod peppers, wire peppers, plate peppers. The hollow screw type picking roller 39 is mainly used for harvesting fresh peppers.

As shown in fig. 3, according to this embodiment, preferably, the comb-finger type spiral picking roller 11 includes a central shaft 1101 and comb fingers 1102, two rows of comb fingers 1102 that are spirally distributed are disposed on the central shaft 1101, and a comb finger pitch 1103 between the comb fingers 1102 is 20mm, so that the comb finger type spiral picking roller is suitable for most pepper fruits, and can improve the pepper fruit picking rate and reduce the impurity content.

As shown in fig. 2, the row spacing adjustment device 3 comprises a first bearing seat 12, a second bearing seat mounting frame 17 and a second bearing seat 18;

the first bearing seat 12 and the second bearing seat mounting frame 17 are arranged on the frame 1, and the direction from the first bearing seat 12 to the second bearing seat mounting frame 17 is parallel to the picking roller; the frame 1 is provided with slotted holes perpendicular to the picking roller at the installation position of the first bearing seat 12; the second bearing mounting frame 17 is provided with gaskets parallel to the picking rollers; the second bearing 18 is provided on the second bearing mount 17.

According to this embodiment, preferably, the second bearing seat 18 is a narrow-foot outer spherical bearing seat, which is connected with the second bearing mounting frame 17 by a screw, and a vertical gasket parallel to the picking roller is provided at the connection position.

The picking mechanism 2 comprises a hexagonal transmission shaft 15 and at least two picking units, wherein the hexagonal transmission shaft 15 is connected with the picking units, and the hexagonal transmission shaft 15 is perpendicular to the picking units;

the picking unit comprises a picking roller, a universal joint coupling 13 and a right-angle gear box 14; the right-angle gearbox 14 is connected with the hexagonal transmission shaft 15 in an infinitely variable manner; one end of the universal joint coupling 13 is connected with the right-angle gear box 14, and the other end of the universal joint coupling is connected with the picking roller; the picker roll is mounted at one end by a first bearing housing 12 and at the other end by a second bearing housing 18.

According to the present embodiment, it is preferable to include four picking units, which are divided into two left and two right picking units, and the hexagonal transmission shafts 15 of the two left picking units and the hexagonal transmission shafts 15 of the two right picking units are connected by a universal joint coupling.

As shown in fig. 8, the hexagonal transmission shaft 15 is connected with the right angle gear box 14 of the picking unit, and the hexagonal transmission shaft 15 is perpendicular to the picking roller, and the hexagonal transmission shaft 15 can pass through the input shaft hole of the right angle gear box 14 and move in the axial direction in the through hole thereof, and power the output shaft of the right angle gear box 14.

According to the present embodiment, the picking mechanism 2 is preferably provided with a crop divider 36 in front of it.

When harvesting the capsicum in opposite rows, the center distance of one pair of picking rollers 11 is the picking width 37, and the centers of two adjacent pairs of comb-finger type spiral picking rollers 11 are the picking row spacing 38.

As shown in fig. 2, an embodiment of the line spacing adjustment is: under the condition that the left hexagonal transmission shaft 15 and the right hexagonal transmission shaft 15 are fixed, four right-angle gear boxes 14 can be adjusted on the frame 1 provided with slotted holes, first bearing seats 12 arranged at the upper ends of picking rollers 11 connected with the right-angle gear boxes 14 can be adjusted on the slotted holes of the corresponding frame 1, adjusting gaskets are arranged between narrow-foot outer spherical bearing seats arranged at the lower ends of the picking rollers and second bearing mounting frames 17, and corresponding distance adjustment is realized through the adjusting gaskets. The picking breadth 37 and picking row spacing 38 can be adjusted by movement of the first bearing housing 12 and second bearing housing 18 at the upper and lower ends of the picking roller in the direction of the hexagonal drive shaft 15. According to this embodiment, preferably, each picking unit moves in the direction of the hexagonal drive shaft by-20 to 20mm.

The picking width 37 and the picking row spacing 38 can be adjusted only by adjusting the slotted hole installation position of the row spacing adjusting device 3 on the frame 1, so that the harvesting machine is suitable for harvesting peppers with different planting row spacing, and the harvesting rate is improved. The row spacing adjusting device provided by the utility model has the advantages of simple structure, high stability, convenience in operation, high reliability and easiness in maintenance on the frame.

Example 2

As shown in fig. 1, the small hand-held pepper harvester comprises a row spacing adjustable pepper picking device, a material conveying device 4, a material collecting device 5, a power device 6 and a chassis 10;

the chassis 10 is arranged at the bottom of the frame 1; the material conveying devices 4 are arranged on two sides of the picking mechanism 2; the collecting device 5 is arranged below the rear end of the picking mechanism 2; the power device 6 is arranged at the rear end of the frame 1 and is connected with the chassis 10; the rear part of the frame 1 is provided with armrests.

As shown in fig. 5 and 6, the feeding device 4 includes an unpowered roller 401, a conveying belt 402, an intermediate roller 403, a tensioning wheel 405, a tensioning wheel mounting plate 404, a powered roller 406, a conveying device coupling 21, and a conveying device transmission shaft 22; the unpowered roller 401 is arranged at the bottom of the front end of the frame 1; the middle roller 403 is arranged on the frame 1; the power roller 406 is arranged at the top of the frame 1 and is connected with the power device 6 through the transmission shaft 22 of the conveying device; the conveyor belt 402 is arranged on the frame 1 through an unpowered roller 401, an intermediate roller 403 and a powered roller 406, the tensioning wheel mounting plate 404 is arranged on the frame 1, and the tensioning wheel 405 is arranged on the tensioning wheel mounting plate 404 and is in contact with the conveyor belt 402.

According to the present embodiment, the conveyor belt 402 preferably includes a middle conveyor belt 19 and a side conveyor belt 20, and a baffle is provided outside the side conveyor belt 20 to prevent capsicum from being thrown outside the conveyor belt. The power rollers 406 on adjacent conveyor belts 402 are connected by conveyor couplings 21.

According to the embodiment, preferably, the tensioning wheel 405 is arranged on a key slot of the tensioning wheel mounting plate 404, tensioning of the transmission belt can be achieved by moving the tensioning wheel 405 on the key slot of the tensioning wheel mounting plate 404, the power roller 406 is arranged on an adjusting hole site on the frame 1 through a third bearing seat 407, and the throwing angle in the pepper conveying process can be adjusted by moving the third bearing seat 407 on the adjusting hole site, so that the loss rate of the peppers in the conveying process can be effectively reduced; the power rollers 406 of adjacent conveyor belts 402 are connected by conveyor couplings 21.

The material collecting device 5 comprises a material collecting box 24, a spiral auger 23 and a material supporting plate 7, wherein the spiral auger 23 is arranged at the rear of the material conveying device 4, spiral blades with opposite directions are arranged at two sides of the spiral auger 23, according to the embodiment, preferably, left spiral blades and right spiral blades are arranged at two sides of the spiral auger 23, the material is conveyed to material conveying openings at two sides of the spiral auger through the rotation of a shaft of the spiral auger 23, and the problem of conveying blockage of peppers in the spiral auger can be effectively reduced due to the design of the spiral auger; the aggregate box 24 is arranged below the spiral auger 23; the material backup pad 7 is located the discharge gate below of collection box 24, the discharge gate of collection box 24 goes out to be provided with a plurality of material bag fixing device 25, material support frame 7 and material bag fixing device 25 are fixed the chilli of results together, and material bag below is connected with material bag support frame 7, has guaranteed the stability of material bag in the chilli harvester operation in-process.

As shown in fig. 7, the power unit 6 includes an engine, a driven sprocket 26, a feeding unit sprocket 27, a collecting unit sprocket 28, a driving sprocket 29, a driven sprocket 30, a driving sprocket 31, a feeding unit driving sprocket 32, and a V-belt 33;

the engine output shaft is connected with a driving pulley 31, and the driving pulley 31 is connected with a driven pulley 30 through a V-shaped belt 33; the driven belt wheel 30 is connected with a driving chain wheel 29, the driving chain wheel 29 is connected with a driven chain wheel 26, and the driven chain wheel 26 is connected with the picking mechanism 2;

the driven sprocket 26 is also connected with a material conveying device driving sprocket 32, the material conveying device driving sprocket 32 is connected with a material conveying device sprocket 27 and a material collecting device sprocket 28, the material conveying device sprocket 27 is connected with the material conveying device 4, and the material collecting device sprocket 28 is connected with the material collecting device 5.

The sprocket 27 of the feeding device can realize small-range tensioning of the chain 35 by adjusting the adjusting hole position of the power roller mounting bearing seat 407.

An auxiliary wheel 9 is arranged at the bottom of the front end of the frame 1, and the auxiliary wheel 9 is connected with a chassis 10 through a three-point suspension device 8. According to the present embodiment, preferably, the connection between the three-point suspension device 8 and the frame 1 is fixed by a pin.

The working process of the small hand-held pepper harvester provided by the utility model is as follows: before beginning the harvesting of the peppers, the row spacing 38 and the picking breadth 37 of the peppers are adjusted by the row spacing adjusting device 3 so as to adapt to the planting condition of the peppers to be harvested; in the process of harvesting the peppers, the bottom power device 6 transmits power to the picking mechanism 2, the material conveying device 4 and the material collecting device 5 through the transmission device, pepper plants enter the picking rollers through the dividing device 36, a pair of picking rollers rotate outwards at the same speed, the comb fingers on the picking rollers start to comb the pepper plants along with the running of the pepper harvester, the peppers which are combed down are thrown onto the middle conveying belt 19 and the side conveying belt 20 along with the rotation of the picking rollers, the outer side of the side conveying belt 20 is provided with a baffle plate for preventing the peppers from being thrown onto the outer side of the conveying belt, picked pepper fruits are conveyed to the material collecting device 5 through the middle conveying belt 19 and the side conveying belt 20, the pepper fruits are conveyed to the material conveying openings on two sides through the rotation of the spiral auger 23, the pepper fruits fall into the material bags through the material conveying openings, the material bags are filled with peppers after a period of time, the pepper fruits are taken down from the material bag fixing device 25 and the support frame 7, and new material bags are sleeved.

It should be understood that although the present disclosure has been described in terms of various embodiments, not every embodiment is provided with a separate technical solution, and this description is for clarity only, and those skilled in the art should consider the disclosure as a whole, and the technical solutions in the various embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The capsicum picking mechanism with adjustable row spacing is characterized by comprising a frame (1), a picking mechanism (2) and a row spacing adjusting device (3);

the picking mechanism (2) and the row spacing adjusting device (3) are arranged on the frame (1); the picking mechanism (2) comprises a hexagonal transmission shaft (15) and at least two picking units, wherein the hexagonal transmission shaft (15) is connected with the picking units in a stepless adjustment manner, and the hexagonal transmission shaft (15) is perpendicular to the picking units; the picking unit comprises a picking roller, the picking roller of the picking mechanism (2) is arranged on a row spacing adjusting device (3), the row spacing adjusting device (3) is arranged on a frame (1), a slotted hole perpendicular to the picking roller is arranged at the mounting position of the row spacing adjusting device (3) of the frame (1), and the row spacing adjusting device (3) is arranged in cooperation with the slotted hole.

2. Row-spacing adjustable pepper picking mechanism as claimed in claim 1, characterized in that said row-spacing adjustment means (3) comprises a first bearing seat (12), a second bearing mounting bracket (17) and a second bearing seat (18);

the first bearing seat (12) and the second bearing seat mounting frame (17) are respectively arranged on the frame (1), and one end of the picking roller is arranged on the first bearing seat (12); the frame (1) is provided with slotted holes perpendicular to the picking roller at the installation position of the first bearing seat (12); the second bearing mounting frame (17) is provided with gaskets parallel to the picking roller; the second bearing mounting frame (17) is arranged on the second bearing mounting frame (18); the other end of the picking roller is mounted on a second bearing seat (18).

3. Row spacing adjustable chilli picking mechanism according to claim 2, wherein the picking unit further comprises a universal joint coupling (13) and a right angle gearbox (14); the gear of the right-angle gear box (14) is connected with the hexagonal transmission shaft (15) in a stepless adjustment manner; one end of the universal joint coupler (13) is connected with the right-angle gear box (14), and the other end of the universal joint coupler is connected with the picking roller.

4. Row spacing adjustable chilli picking mechanism of claim 1, wherein the picking roller is a comb finger type screw picking roller (11) or a hollow screw picking roller (39).

5. The row spacing adjustable pepper picking mechanism as claimed in claim 4, characterized in that said comb finger type spiral picking roller (11) comprises a central shaft (1101) and comb fingers (1102), said central shaft (1101) is provided with two rows of comb fingers (1102) spirally distributed, and the comb finger spacing (1103) between the comb fingers (1102) is 20mm.

6. A small hand-held hot pepper harvester comprising the row spacing adjustable hot pepper picking mechanism as claimed in any one of the claims 1-5, characterized in that it further comprises a feeding device (4), a collecting device (5), a power device (6) and a chassis (10);

the chassis (10) is arranged at the bottom of the frame (1); the material conveying devices (4) are arranged at two sides of the picking mechanism (2); the collecting device (5) is arranged at the rear of the picking mechanism (2); the power device (6) is arranged at the rear end of the frame (1) and is connected with the chassis (10); the rear part of the frame (1) is provided with a handrail.

7. A small hand-held hot pepper harvester as in claim 6, characterized in that said feeding means (4) comprises an unpowered roller (401), a conveyor belt (402), an intermediate roller (403), a tensioning wheel (405), a tensioning wheel mounting plate (404), a powered roller (406), a conveyor coupling (21) and a conveyor transmission shaft (22); the unpowered roller (401) is arranged at the bottom of the front end of the frame (1); the middle roller (403) is arranged on the frame (1); the power roller (406) is arranged at the top of the frame (1) and is connected with the power device (6) through a transmission shaft (22) of the conveying device; the conveyor belt (402) is arranged on the frame (1) through the unpowered roller (401), the middle roller (403) and the power roller (406), the tensioning wheel mounting plate (404) is arranged on the frame (1), and the tensioning wheel (405) is arranged on the tensioning wheel mounting plate (404) and is in contact with the conveyor belt (402).

8. The small hand-held hot pepper harvester as in claim 6, characterized in that said aggregate device (5) comprises an aggregate box (24), a spiral auger (23) and a material support plate (7), said spiral auger (23) is disposed at the rear of the material conveying device (4), and spiral blades with opposite directions are disposed at both sides of the spiral auger (23); the aggregate box body (24) is arranged below the spiral auger (23); the material supporting plate (7) is arranged below a discharge hole of the material collecting box body (24), and a plurality of material bag fixing devices (25) are arranged at the discharge hole of the material collecting box body (24).

9. The small hand-held hot pepper harvester as in claim 6, characterized in that said power means (6) comprises an engine, a driven sprocket (26), a conveyor sprocket (27), a collection means sprocket (28), a drive sprocket (29), a driven sprocket (30), a drive pulley (31), a conveyor drive sprocket (32) and a V-belt (33);

the engine output shaft is connected with a driving belt pulley (31), and the driving belt pulley (31) is connected with a driven belt pulley (30) through a V-shaped belt (33); the driven belt wheel (30) is connected with the driving chain wheel (29), the driving chain wheel (29) is connected with the driven chain wheel (26), and the driven chain wheel (26) is connected with the picking mechanism (2);

the driven sprocket (26) is also connected with a material conveying device driving sprocket (32), the material conveying device driving sprocket (32) is connected with a material conveying device sprocket (27) and a material collecting device sprocket (28), the material conveying device sprocket (27) is connected with a material conveying device (4), and the material collecting device sprocket (28) is connected with a material collecting device (5).

10. The small hand-held hot pepper harvester as claimed in claim 6, characterized in that the bottom of the front end of the frame (1) is provided with an auxiliary wheel (9), said auxiliary wheel (9) being connected to the chassis (10) by means of a three-point suspension (8).