CN205052181U - Handheld field harvester - Google Patents

Abstract

The utility model discloses a hand-held field seed harvester, which comprises a threshing device, a walking wheel, a miscellaneous outlet, a handrail, a reducer, a header, a blade collector, a grain outlet, a pocket, a pulley, a threshing shaft, a rolling bearing, and a first sieve. Disc, second sieve tray, saturated grain separation port, flat grain separation port, blade separation port, grain puller, conveying upper chain, grain pulling star wheel, cutter, intermediate conveying lower chain and lifting upper connecting rod, the utility model The beneficial effects are: the harvester is simple in structure, light in weight, portable for people to hold, low in manufacturing cost, high in work efficiency, safe and reliable, and the first sieve plate and the second sieve plate pass through the sieve holes to screen saturated grains and flat grains Come out and put the saturated grains into the seed bag for harvesting; suitable for harvesting in different fields, the saturated grain separation port, the flat grain separation port and the leaf separation port can separate the harvested saturated grains and flat grains, and transport them into the seed bag separately after separation , suitable for harvesting and saving seeds in the field. Partially complete leaves need to be put into the seed bag at the leaf separation port so that the laboratory can be used for molecular experiments. The rest of the weeds are expelled from the tail.

Description

handheld field harvester

technical field

The utility model relates to a harvester, in particular to a hand-held field harvester, which belongs to the harvesting machinery for agricultural seed production.

Background technique

The development trend of harvesters is to use new materials to further reduce weight; to adopt low-vibration engines and advanced vibration-reducing and vibration-isolating devices and rationally configure parts to reduce the harm of vibration to the human body; to improve the processing and assembly accuracy of machinery, and to improve the absorption Exhaust system to reduce noise; various safety protection devices are added to improve operation safety; shrub cutting devices are added to the suspended brush cutter to simplify the cleaning process of cutting shrubs. The weight of the machine is supported by walking wheels and pushed by people. The machine moves forward, and the engine drives the working parts to perform field cutting operations. Its structure and working principle are similar to portable field machines. The mounted harvester is hung behind the tractor, and the power take-off shaft drives the working parts to rotate, which is suitable for large-area field operations. It is mainly composed of frame, saw blade, transmission device, suspension device and push plate.

At present, there are some deficiencies in my country's harvesters. The whole machine is large in size, heavy in weight, inconvenient to operate, and consumes a lot of oil; these large harvesters cannot be applied to smaller fields; Hand-held harvesting equipment used by agricultural workers to harvest seeds in the field. Agricultural workers can only go to the field to harvest separately and complete seed production and bagging indoors. The process is cumbersome and complicated.

Utility model content

The purpose of this utility model is to provide a handheld field harvester in order to solve the above problems.

The utility model achieves the above object through the following technical solutions. A hand-held field harvester includes a threshing device, a walking wheel, a miscellaneous outlet, a handrail, a reducer, a header, a blade collector, a grain outlet, a pocket, a pulley, Threshing shaft, rolling bearing, first sieve plate, second sieve plate, saturated grain separation port, flat grain separation port, leaf separation port, grain puller, conveying upper chain, grain pulling star wheel, cutter, middle conveying lower chain and Lift the upper connecting rod; the threshing device is installed between the two road wheels and one end of the threshing device is equipped with a miscellaneous discharge port; the threshing device is connected to the header side wall by lifting the upper connecting rod, and the threshing device The surface is provided with a reducer; one end of the threshing device is provided with a handrail on the side of the miscellaneous discharge port and a leaf collector is provided on one side of the threshing device; one side of the threshing device is provided with a grain outlet and a pocket, and the The pocket is located on one side of the grain outlet; a threshing shaft is arranged inside the threshing device, and a pulley is installed at one end of the threshing shaft; rolling bearings are installed at both ends of the threshing shaft, and the pulley is located at one side of the rolling bearing; the threshing One side of the shaft is provided with a first sieve tray and a second sieve tray, and the first sieve tray is located at the top of the second sieve tray; the bottom of the second sieve tray is provided with a saturated particle separation port, a flat particle separation port and blades Separation port, and the flat grain separation port is located between the saturated grain separation port and the blade separation port; a straw puller is installed inside the header and the straw puller is closely connected with the grass star wheel; One side of the plucking star wheel is equipped with an intermediate conveying lower chain, and one side of the intermediate conveying lower chain is equipped with a cutting knife positioned at the inner side wall of the header; Convey on the chain.

Preferably, the traveling wheel is fixedly connected to both ends of the bearing through bolts.

Preferably, the miscellaneous discharge port has an arc-shaped structure, and one end of the miscellaneous discharge port is lower than the bottom end of the threshing device.

Preferably, several control mechanisms are provided on the surface of the armrest and a rubber handle is provided at one end of the armrest.

Preferably, the reducer is installed on the surface of the threshing device, and the reducer is closely connected with the pulley inside the threshing device through a belt.

Preferably, several protrusions are provided on the surface of the threshing shaft, and a slot is provided at the connection between the threshing shaft and the rolling bearing.

Preferably, the first sieve tray and the second sieve tray are provided with several evenly distributed meshes inside, and the meshes of the first sieve tray are larger than those of the second sieve tray.

Preferably, several linked small cutters are arranged inside the cutter.

Preferably, one end of the lifting upper connecting rod is installed inside the header and the other end of the lifting upper connecting rod is installed inside the hydraulic cylinder inside the threshing device.

The beneficial effects of the utility model are: the harvester is simple in structure, light in weight, portable for people to hold, low in manufacturing cost, high in work efficiency, safe and reliable, and the first sieve plate and the second sieve plate pass through the difference between the meshes of the saturated grains. Screened out; suitable for harvesting in different fields, the saturated grain separation port, the flat grain separation port and the leaf separation port can separate the harvested saturated grains and flat grains, and after separation, they are transported and bagged separately, which is suitable for popularization and use.

Description of drawings

Fig. 1 is the overall structure schematic diagram described in the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is a schematic diagram of the internal structure of the threshing device described in the utility model;

Fig. 4 is the schematic diagram of the header structure of the utility model;

In the figure: 1. Threshing device, 2. Walking wheel, 3. Miscellaneous discharge port, 4. Handrail, 5. Reducer, 6. Header, 7. Blade collector, 8. Grain outlet, 9. Pocket, 10 , belt pulley, 11, threshing shaft, 12, rolling bearing, 13, first sieve tray, 14, second sieve tray, 15, saturated grain separation port, 16, flat grain separation port, 17, blade separation port, 61, pulling grass Device, 62, transport upper chain, 63, pull grain star wheel, 64, cutter, 65, convey lower chain in the middle, 66, promote upper link.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1-4, the hand-held field harvester, including threshing device 1, walking wheel 2, miscellaneous discharge port 3, handrail 4, reducer 5, header 6, blade collector 7, grain outlet 8, pocket 9, Belt pulley 10, threshing shaft 11, rolling bearing 12, first sieve tray 13, second sieve tray 14, saturated grain separation port 15, flat grain separation port 16, blade separation port 17, straw puller 61, conveying chain 62, puller Grass star wheel 63, cutter 64, intermediate conveying lower chain 65 and lifting upper connecting rod 66; described threshing device 1 is installed between two walking wheels 2 and described threshing device 1 one end is equipped with miscellaneous outlet 3; The threshing device 1 is connected to the side wall of the header 6 by lifting the upper connecting rod 66, and the surface of the threshing device 1 is provided with a speed reducer 5; One side of the threshing device 1 is provided with a blade collector 7; one side of the threshing device 1 is provided with a grain outlet 8 and a pocket 9, and the pocket 9 is located at one side of the grain outlet 8; A threshing shaft 11 is provided, and a belt pulley 10 is installed at one end of the threshing shaft 11; a rolling bearing 12 is installed at both ends of the threshing shaft 11 and the belt pulley 10 is located at one side of the rolling bearing 12; one side of the threshing shaft 11 is provided with a second A sieve tray 13 and a second sieve tray 14, and the first sieve tray 13 is positioned at the top of the second sieve tray 14; the bottom end of the second sieve tray 14 is provided with a saturated particle separation port 15, a flat grain separation port 16 and The blade separation port 17, and the flat grain separation port 16 is located between the saturated grain separation port 15 and the blade separation port 17; Tightly connected with pulling grain star wheel 63; Described pulling grain star wheel 63 one side is equipped with middle conveying lower chain 65, and described middle conveying lower chain 65 one side is equipped with the cutting knife 64 that is positioned at header 6 inner side walls; The inside of the header 6 is equipped with the conveying upper chain 62 positioned at the middle conveying the lower chain 65 side.

As a technical optimization scheme of the present utility model: the walking wheel 2 is fixedly connected to both ends of the bearing by bolts; the miscellaneous discharge port 3 has an arc-shaped structure, and one end of the miscellaneous discharge port 3 is lower than the threshing device 1 Bottom; the surface of the handrail 4 is provided with several control mechanisms and one end of the handrail 4 is provided with a rubber handle; the reducer 5 is installed on the surface of the threshing device 1 and the reducer 5 is connected with the threshing device 1. The internal pulley 10 is closely connected; the surface of the threshing shaft 11 is provided with several protrusions, and the connection between the threshing shaft 11 and the rolling bearing 12 is provided with a slot; the first sieve tray 13 and the second sieve tray 14 The inside is provided with several evenly distributed meshes and the meshes of the first sieve tray 13 are larger than the meshes of the second sieve tray 14; the inside of the cutter 6 is provided with several interlocking small cutters; One end of the rod 66 is installed inside the header 6 and the other end of the lifting upper link 66 is installed inside the hydraulic cylinder inside the threshing device 1 .

When the utility model is in use, the harvester opens the switch on one side of the handrail to make the harvester run, the walking wheels start to walk under the control of the harvester, and the header starts to harvest in normal operation. Lifting the upper link can adjust the height of the header through the hydraulic system inside the threshing device. The crop puller at the front of the header will pull the crops into the header, and the cutting knife inside the header will cut the crops. The crops will be transported into the threshing device through the upper chain and the lower chain. As soon as the crops enter the threshing device and contact the threshing shaft, the threshing shaft will thresh the crops; when threshing, the first sieve plate and the second sieve plate start to work, and the first sieve plate screens out some weed leaves , the second sieve tray separates the saturated grains and flat grains, so that the saturated grains and flat grains are discharged from the saturated grain separation port and the flat grain separation port, and the saturated grains are discharged and the flat grains are discharged from the left side of the threshing device. The granulation device is inside the pocket on the side wall of the threshing device; the blades are discharged from the blade separation port on the right under the action of the fan; and enter the blade collector. The fan inside the threshing device can transport some debris to the miscellaneous discharge port, and the miscellaneous discharge port will directly discharge the debris to the tail of the harvester to complete the harvest.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (9)

1. A hand-held field harvester, including a threshing device (1), a walking wheel (2), a miscellaneous discharge port (3), a handrail (4), a reducer (5), a header (6), and a leaf collector ( 7), grain outlet (8), pocket (9), pulley (10), threshing shaft (11), rolling bearing (12), first sieve tray (13), second sieve tray (14), saturated grain separation Port (15), flat grain separation port (16), leaf separation port (17), grain puller (61), conveying chain (62), grain pulling star wheel (63), cutter (64), intermediate conveying The lower chain (65) and the lifting upper link (66); it is characterized in that: the threshing device (1) is installed between two walking wheels (2) and one end of the threshing device (1) is equipped with a miscellaneous discharge port (3); the threshing device (1) is connected to the side wall of the header (6) by lifting the upper link (66), and the surface of the threshing device (1) is provided with a reducer (5); the threshing device (1) One end is provided with a handrail (4) on one side of the miscellaneous discharge port (3) and a leaf collector (7) is provided on one side of the threshing device (1); one side of the threshing device (1) is provided with The grain outlet (8) and the pocket (9), and the pocket (9) is located on the side of the grain outlet (8); the threshing device (1) is provided with a threshing shaft (11), and the threshing shaft (11) A pulley (10) is installed at one end; rolling bearings (12) are installed at both ends of the threshing shaft (11), and the pulley (10) is located on one side of the rolling bearing (12); one side of the threshing shaft (11) A first sieve tray (13) and a second sieve tray (14) are provided, and the first sieve tray (13) is located at the top of the second sieve tray (14); the bottom end of the second sieve tray (14) is set There are saturated grain separation port (15), flat grain separation port (16) and leaf separation port (17), and the flat grain separation port (16) is located at the saturated grain separation port (15) and the leaf separation port (17); the harvester (6) is equipped with a grain puller (61) inside and the grain puller (61) is closely connected with the grain puller (63); the grain puller (63) ) is equipped with an intermediate conveying chain (65) on one side, and a cutting knife (64) located on the inner wall of the header (6) is installed on one side of the intermediate conveying lower chain (65); the interior of the header (6) The conveying upper chain (62) that is positioned at the middle conveying lower chain (65) side is installed. 2. The hand-held field harvester according to claim 1, characterized in that: the traveling wheel (2) is fixedly connected to both ends of the bearing by bolts. 3. The hand-held field harvester according to claim 1 or 2, characterized in that: the miscellaneous discharge port (3) has a circular arc structure, and one end of the miscellaneous discharge port (3) is lower than the threshing device (1 ) bottom end. 4. The handheld field harvester according to claim 3, characterized in that: the surface of the armrest (4) is provided with several control mechanisms and one end of the armrest (4) is provided with a rubber handle. 5. The hand-held field harvester according to claim 1 or 4, characterized in that: the reducer (5) is installed on the surface of the threshing device (1) and the reducer (5) is connected to the threshing device through a belt (1) The inner pulley (10) is tightly connected. 6. The hand-held field harvester according to claim 5, characterized in that: the surface of the threshing shaft (11) is provided with several protrusions, and the connection between the threshing shaft (11) and the rolling bearing (12) is provided with card slot. 7. The hand-held field harvester according to claim 6, characterized in that: the first sieve tray (13) and the second sieve tray (14) are provided with several evenly distributed meshes and the first The mesh of the sieve tray (13) is larger than that of the second sieve tray (14). 8. The hand-held field harvester according to claim 1 or 7, characterized in that: several linked small cutters are arranged inside the cutter (6). 9. The hand-held field harvester according to claim 8, characterized in that: one end of the lifting upper link (66) is installed inside the header (6) and the other end of the lifting upper link (66) is installed on the Inside the hydraulic cylinder inside the threshing unit (1).