Rice harvesting and sample cleaning vehicle

Abstract

The utility model belongs to the technical field of agricultural machinery, and particularly relates to a rice harvesting and sample cleaning vehicle which comprises a harvesting machine body and further comprises a header shell fixed to the front side of the harvesting machine body, and a feeding port is formed in the position, corresponding to a gap bridge mechanism, of the header shell. The feeding structure is arranged at the feeding port and comprises a lower groove body, an angle adjusting structure and an upper groove body, the lower groove body rotates at the lower side of the feeding port, the angle adjusting structure is arranged between the lower groove body and the header shell, the upper groove body is fixed at the upper side of the feeding port, and a feeding channel is defined between the upper groove body and the lower groove body; the grain conveying auger cylindrical shell is rotationally mounted on the harvesting machine body, and a suspension structure is arranged at the end part of the grain conveying auger cylindrical shell; the grain outlet channel is arranged on the side portion of the harvesting machine body, a grain conveying auger is arranged between the screening mechanism and the grain outlet channel, and a guide structure is connected to the grain outlet channel. The rice harvesting sample cleaning vehicle solves the problems that manual sample cleaning efficiency is low, and sample cleaning results are prone to deviation.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of agricultural machinery, especially relates to a rice harvesting sample cleaning vehicle. BACKGROUND

[0002] Rice is an important food crop, after the maturity of rice, need to carry out the sample cleaning operation to the rice field, in order to understand the harvesting condition of whole rice field, such as yield expectation, the quality of grain etc.. At present, mainly by manual sample cleaning, time-consuming and labor-consuming, the efficiency is relatively low, and the sample result can appear larger deviation due to improper handling in the middle process. CONTENT

[0003] The utility model discloses a rice harvesting sample cleaning vehicle, which aims to solve the problems of low efficiency of manual sample cleaning and deviation of sample result.

[0004] The utility model discloses a rice harvesting sample cleaning vehicle, which includes a harvester body, a bridge passing mechanism, a threshing mechanism connected to the bridge passing mechanism and a screening mechanism connected to the threshing mechanism.

[0005] A cutter housing is fixed to the front side of the harvester body, and a feed inlet is arranged on the cutter housing corresponding to the bridge passing mechanism.

[0006] A feeding structure is arranged at the feed inlet, which includes a lower trough body rotating at the lower side of the feed inlet, an angle adjusting structure arranged between the lower trough body and the cutter housing, and an upper trough body fixed at the upper side of the feed inlet. The upper trough body is fitted above the lower trough body, and a feeding channel is formed between the upper trough body and the lower trough body.

[0007] A grain conveying auger cylindrical shell is rotatably installed on the harvester body, and a suspension structure is arranged at the end of the grain conveying auger cylindrical shell.

[0008] A grain outlet channel is arranged at the side of the harvester body, a grain conveying auger is arranged between the screening mechanism and the grain outlet channel, and a guide structure is connected to the grain outlet channel.

[0009] As an improvement, the angle adjusting structure includes an upper connecting arm, the upper end of the upper connecting arm is hinged to the lower trough body, a lower connecting arm is slidably connected to the upper connecting arm, the lower end of the lower connecting arm is hinged to the cutter housing, and a locking structure is arranged between the upper connecting arm and the lower connecting arm.

[0010] As a kind of improvement, the guide structure includes the sleeve ring fixed to the grain outlet channel, the end cover rotatably mounted to the sleeve ring, and the end cover is provided with the flow guide channel communicated with the grain outlet channel.

[0011] As a kind of improvement, fastening structure is respectively arranged between the two side walls of the lower groove body and the corresponding side walls of the upper groove body.

[0012] As a kind of improvement, the two side walls of the upper groove body are arranged between the two side walls of the lower groove body, and the arc-shaped groove is arranged around the rotation axis of the lower groove body on the side wall of the lower groove body; the fastening structure includes the threaded rod fixed to the side wall of the upper groove body and penetrating the arc-shaped groove, and the fastening nut mounted to the threaded rod.

[0013] As a kind of improvement, the rice harvesting and sample cleaning vehicle further comprises a tipping bucket rotatably mounted to the upper part of the front side of the cutting table housing, the upper tipping connection structure is arranged between the upper part of the cutting table housing and the corresponding side of the tipping bucket, the lower tipping connection structure is arranged between the front side of the cutting table housing and the corresponding side of the tipping bucket, and the accommodation cavity is formed between the cutting table housing and the tipping bucket after the tipping bucket is tipped downward.

[0014] As a kind of improvement, the cylinder is inserted at the end of the grain conveying and stirring auger cylindrical housing, the end of the cylinder located outside the grain conveying and stirring auger cylindrical housing is arranged as a closed end, the limiting structure is arranged between the grain outlet cylinder port at the lower side of the grain conveying and stirring auger cylindrical housing and the cylinder, and the suspension structure is fixed to the closed end of the cylinder.

[0015] As a kind of improvement, the limiting structure includes the telescopic insertion structure fixed to the inner side wall of the grain outlet cylinder port, and a plurality of limiting holes are arranged on the cylinder along the axial direction of the grain conveying and stirring auger cylindrical housing.

[0016] As a kind of improvement, the telescopic insertion structure is respectively arranged on the two inner side walls of the grain outlet cylinder port along the axial direction of the grain conveying and stirring auger cylindrical housing.

[0017] As a kind of improvement, the top block is respectively arranged on the opposite sides of the telescopic insertion structure and abuts against the outer side wall of the cylinder.

[0018] Due to the adoption of the above technical scheme, the following beneficial effects are achieved:

[0019] The utility model discloses a rice harvesting sample car, which comprises a harvester body, a bridging mechanism, a threshing mechanism connected to the bridging mechanism and a screening mechanism connected to the threshing mechanism.

[0020] During sample collection, the rice harvesting sample car is driven to a rice field, and the collected rice sample is placed into the feeding structure. The rice sample is transported to the threshing mechanism by the bridging mechanism for threshing. The grains enter the screening mechanism and are screened by the screening mechanism. The screened grains are output through the grain outlet channel, and the collection of grains is facilitated under the guidance of the guide structure. The weighing device is hung on the end of the grain conveying auger cylindrical shell provided with a hanging structure, and the harvested grains are weighed. The operation is convenient. Only the collected rice sample needs to be placed into the feeding structure, and the intermediate processing process is completed by the rice harvesting sample car. The manual operation steps are reduced. The sample collection efficiency is improved, and the problem of low sample collection efficiency and deviation of sample collection results is solved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is a side view structural schematic diagram of the rice harvesting sample car of the utility model;

[0022] Figure 2 is a front view structural schematic diagram of the rice harvesting sample car of the utility model;

[0023] Figure 3 is a sectional view structural schematic diagram of the weighing adjustment structure of the rice harvesting sample car of the utility model;

[0024] Figure 4 is a side view structural schematic diagram of the feeding structure of the rice harvesting sample car of the utility model;

[0025] Figure 5 is a three-dimensional structural schematic diagram of the guide structure of the rice harvesting sample car of the utility model;

[0026] Among them, 11. Harvester body; 12. Header shell; 121. Upper header connecting lug; 13. Grain conveying auger cylindrical shell; 14. Grain outlet; 20. Feeding structure; 21. Upper trough; 22. Lower trough; 221. Arc-shaped trough; 23. Upper connecting arm; 24. Lower connecting arm; 25. Pin; 26. Threaded rod; 27. Fastening nut; 30. Grain discharge channel; 40. Guide structure; 41. Collar; 42. End cover; 50. Cylinder; 60. Hanging ring; 70. Spring pin; 81. Top block; 82. Mounting shaft; 83. Locking nut; 90. Tipping bucket; 91. Upper tipping bucket connecting lug. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0028] Figures 1 to 5 This is a schematic diagram of the structure of the rice harvesting and cleaning vehicle of this utility model, wherein, Figure 1 This is a side view of the rice harvesting and cleaning vehicle of this utility model. Figure 2 This is a front view structural schematic diagram of the rice harvesting and cleaning vehicle of this utility model. Figure 3 This diagram shows a cross-sectional view of the weighing adjustment structure of the rice harvesting and cleaning vehicle of this invention. Figure 4 This is a side view schematic diagram of the feeding structure of the rice harvesting and cleaning vehicle of this utility model. Figure 5 This diagram shows a three-dimensional structural schematic of the guide structure of the rice harvesting and cleaning vehicle of this invention. For ease of understanding, only the parts relevant to this invention are shown in the diagram.

[0029] It should be noted that if the directional indicators (such as up, down, forward, backward, etc.) involved in this utility model are only used to explain the relative positional relationship between the components in a certain specific posture, the directional indicators will also change accordingly if the specific posture changes.

[0030] Depend on Figures 1 to 5 As can be seen, the rice harvesting and cleaning vehicle of this utility model includes a harvesting body 11, which is provided with a bridge mechanism, a threshing mechanism connected to the bridge mechanism, and a screening mechanism connected to the threshing mechanism; it also includes:

[0031] The header shell 12 is fixed to the front side of the harvester body 11, and a feed inlet is provided on the header shell 12 corresponding to the bridge mechanism;

[0032] The feeding structure 20 is arranged at the feeding port, and the feeding structure 20 comprises a lower trough body 22 rotating at the lower side of the feeding port, an angle adjusting structure arranged between the lower trough body 22 and the header shell 12, and an upper trough body 21 fixed at the upper side of the feeding port, the upper trough body 21 is buckled above the lower trough body 22, and a feeding channel is formed between the upper trough body 21 and the lower trough body 22, generally, the upper trough body 21 is fixed to the header shell 12 by welding or bolt fixing;

[0033] The grain conveying auger cylindrical shell 13 is rotatably arranged on the harvester body 11, and the grain conveying auger cylindrical shell 13 is provided with a suspension structure at the end portion, so that the weighing device can be suspended, and the grains of the collected rice sample are weighed;

[0034] The grain conveying auger cylindrical shell 13 is rotatably arranged on the harvester body 11, and the grain conveying auger cylindrical shell 13 is provided with a suspension structure at the end portion, so that the weighing device can be suspended, and the grains of the collected rice sample are weighed;

[0035] Specifically, the rice harvesting and sample cleaning vehicle is modified and manufactured from a rice harvester, and the structures of the bridge mechanism, the screening mechanism, the grain conveying auger, the header and the grain conveying auger are known technologies, and the specific structures will not be described here. The grain conveying auger cylindrical shell 13 is the shell after the internal structure of the grain conveying auger is removed, and the header shell 12 is the shell after the internal structure of the header is removed.

[0036] During sample cleaning, the rice harvesting and sample cleaning vehicle is driven to the rice field, the collected rice sample is put into the feeding structure 20, the rice sample is conveyed to the threshing mechanism by the bridge mechanism for threshing, the grains enter the screening mechanism and are screened by the screening mechanism, the screened grains are output through the grain outlet channel 30, and the collected grains are conveniently collected under the guidance of the guide structure 40. The weighing device is suspended on the end portion of the grain conveying auger cylindrical shell 13 through the suspension structure, and the harvested grains are weighed, which is convenient to operate. Only the collected rice sample needs to be manually put into the feeding structure 20, and the intermediate processing process is completed by the rice harvesting and sample cleaning vehicle, so that the manual operation steps are reduced. The sample cleaning efficiency is improved, and the deviation of the sample cleaning result caused by improper manual processing is avoided. The rice harvesting and sample cleaning vehicle solves the problems of low manual sample cleaning efficiency and deviation of the sample cleaning result.

[0037] In the utility model, as shown in Figure 4 The angle adjusting structure comprises an upper connecting arm 23, a lower connecting arm 24 in sliding connection with the upper connecting arm 23, and a locking structure arranged between the upper connecting arm 23 and the lower connecting arm 24.

[0038] Specifically, the upper connecting arm 23 is provided as a pipe body, the upper end of the lower connecting arm 24 is inserted into the interior of the upper connecting arm 23 from the lower end of the upper connecting arm 23; the upper connecting arm 23 is provided with at least two groups of insertion holes which are arranged along the axial direction, the portion of the lower connecting arm 24 inserted into the interior of the upper connecting arm 23 is provided with a through hole, the locking structure is a bolt 25 which passes through one group of insertion holes and the through hole, of course, the locking structure can also be a bolt and nut assembly.

[0039] Further, fastening structures are respectively arranged between the two side walls of the lower trough body 22 and the corresponding side walls of the upper trough body 21, for enhancing the connecting performance between the lower trough body 22 and the upper trough body 21. The two side walls of the upper trough body 21 are arranged between the two side walls of the lower trough body 22, and the side walls of the lower trough body 22 are provided with arc-shaped grooves 221 which are arranged around the rotation axis of the lower trough body 22; the fastening structure comprises a threaded rod 26 which is fixed to the side walls of the upper trough body 21 and passes through the arc-shaped grooves 221, and a fastening nut 27 which is mounted to the threaded rod 26. In order to facilitate installation, the side walls of the upper trough body 21 are provided with connecting holes, and the fastening structure is provided as a bolt and nut assembly, the bolt passes through the connecting holes and the arc-shaped grooves 221 in sequence from the interior of the feeding channel, and the nut is mounted to the bolt from the outside.

[0040] In some other embodiments, the angle adjusting structure comprises a support arm, the upper end of the support arm is hinged to the lower trough body 22, and the upper cutting platform shell 12 is correspondingly provided with at least two hinged seats which are arranged along the front-rear direction or arranged along the vertical direction, and the lower end of the support arm is hinged to one of the hinged seats.

[0041] In the utility model, the pipe body 50 is inserted at the end of the grain conveying and stirring drum-shaped shell 13, the end of the pipe body 50 located outside the grain conveying and stirring drum-shaped shell 13 is provided as a closed end, the suspension structure is fixed to the closed end of the pipe body, generally, the suspension structure is a hanging ring 60; the limiting structure is arranged between the grain discharging barrel 14 at the lower side of the grain conveying and stirring drum-shaped shell 13 and the pipe body 50, the length of the pipe body 50 extending outside the grain conveying and stirring drum-shaped shell 13 can be adjusted, so that the suspension height is adjusted, and the weighing is facilitated.

[0042] Specifically, the limiting structure comprises a telescopic insertion structure fixed to the inner side wall of the grain discharging barrel 14, and a plurality of limiting holes are arranged on the pipe body 50 along the axial direction of the grain conveying and stirring drum-shaped shell 13, generally, the telescopic insertion structure is provided as a spring bolt 70.

[0043] As Figure 3As shown, in order to avoid the cylinder 50 from shaking, top blocks 81 are arranged on opposite sides of the telescopic plug-in structure and abut against the outer sidewall of the cylinder 50, and the top blocks 81 are usually plastic blocks. In order to facilitate the installation and replacement of the top blocks 81, an installation shaft 82 is fixed on the inner sidewall of the grain outlet 14, the installation shaft 82 is provided with a threaded portion, the top blocks 81 are provided with installation holes, and the shaft body portion of the installation shaft 82 penetrating through the installation holes is provided with a locking nut 83, and the side portion of the top blocks 81 abuts against the outer sidewall of the cylinder 50.

[0044] Further, in order to enhance the limiting performance, the telescopic plug-in structures are arranged on the inner sidewalls of the two sides of the grain outlet 14 along the axial direction of the grain conveying auger cylinder-shaped shell 13, the two groups of telescopic plug-in structures are respectively plugged into the corresponding limiting holes, the connecting performance of the cylinder 50 can be enhanced, and the top blocks 81 are arranged on the opposite sides of each telescopic plug-in structure, which can further avoid the shaking of the cylinder 50.

[0045] In the utility model, the rice harvesting and sample cleaning vehicle further comprises a tipping bucket 90 rotatably installed at the upper portion of the front side of the header shell 12, an upper tipping connecting structure is arranged between the upper portion of the header shell 12 and the corresponding side of the tipping bucket 90, a lower tipping connecting structure is arranged between the front side of the header shell 12 and the corresponding side of the tipping bucket 90, and a containing cavity is formed between the header shell 12 and the tipping bucket 90 after the tipping bucket 90 is downwardly tipped, which is used for the harvested grains, the metering scale, tools and the like.

[0046] In order to facilitate understanding, the use of the tipping bucket 90 is described as follows:

[0047] After the tipping bucket 90 is upwardly tipped, the upper tipping connecting structure between the upper portion of the header shell 12 and the corresponding side of the tipping bucket 90 is connected together, the tipping bucket 90 can be fixed to the upper portion of the header shell 12, after the upper tipping connecting structure is disassembled, the tipping bucket 90 is downwardly tipped, and the lower tipping connecting structure between the front side of the header shell 12 and the corresponding side of the tipping bucket 90 is connected together, the tipping bucket 90 can be fixed to the front side of the header shell 12, and the containing cavity is formed between the header shell 12 and the tipping bucket 90.

[0048] Specifically, the upper tipping connecting structure comprises an upper header connecting lug 121 fixed to the upper portion of the header shell 12 and a corresponding upper tipping bucket connecting lug 91 fixed to the tipping bucket 90, the lower tipping connecting structure comprises a front header connecting lug (not shown in the figure) fixed to the front side of the header shell 12 and a corresponding lower tipping bucket connecting lug (not shown in the figure) fixed to the tipping bucket 90, and the utility model further comprises a connecting pin shaft, the connecting pin shaft is plugged into the upper header connecting lug 121 and the upper tipping bucket connecting lug 91 when the tipping bucket 90 is upwardly tipped, and the connecting pin shaft is plugged into the front header connecting lug and the lower tipping bucket connecting lug when the tipping bucket 90 is downwardly tipped.

[0049] Generally, the upper turning connecting structure and the lower turning connecting structure are respectively arranged between the left side of the tipping bucket 90 and the left side of the header shell 12 and between the right side of the tipping bucket 90 and the right side of the header shell 12, so that the connecting performance is enhanced.

[0050] In the utility model, by Figure 1 and Figure 5 It can be known that the guide structure 40 comprises a sleeve ring 41 fixed to the grain outlet channel 30 and an end cover 42 rotatably installed on the sleeve ring 41, and the end cover 42 is provided with a flow guide channel communicated with the grain outlet channel 30.

[0051] Specifically, the flow guide channel is provided with a plug-in ring for connecting with the grain outlet channel 30 on the side corresponding to the grain outlet channel 30, so that the connecting performance between the end cover 42 and the grain outlet channel 30 is enhanced, the end cover 42 is prevented from being separated from the grain outlet channel 30 when the grains are output from the grain outlet channel 30, and the flow of the grains between the grain outlet channel 30 and the guide structure 40 is smoother.

[0052] The above merely describes some embodiments of the utility model and is not used to limit the utility model, and any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A rice harvesting and cleaning vehicle comprising a harvesting body provided with a bridge mechanism, a threshing mechanism connected to the bridge mechanism, and a screening mechanism connected to the threshing mechanism, characterized in that, Also comprising: a header housing fixed to the front side of the harvester body, a feeding inlet is arranged on the header housing corresponding to the bridge mechanism; a feeding structure arranged at the feeding inlet, the feeding structure comprises a lower trough body rotating at the lower side of the feeding inlet, an angle adjusting structure arranged between the lower trough body and the header housing, and an upper trough body fixed at the upper side of the feeding inlet, the upper trough body is buckled above the lower trough body, and a feeding channel is formed between the upper trough body and the lower trough body; a grain conveying auger cylindrical housing rotatably mounted on the harvester body, a suspension structure is arranged at the end of the grain conveying auger cylindrical housing; and a grain outlet channel arranged at the side of the harvester body, a grain conveying auger is arranged between the screening mechanism and the grain outlet channel, and a guide structure is connected to the grain outlet channel.

2. The rice combine harvester according to claim 1, characterized by The angle adjusting structure comprises an upper connecting arm, the upper end of the upper connecting arm is hinged to the lower trough body; a lower connecting arm is slidingly connected to the upper connecting arm, the lower end of the lower connecting arm is hinged to the header housing; and a locking structure is arranged between the upper connecting arm and the lower connecting arm.

3. The rice combine harvester according to claim 1, wherein The guide structure comprises a sleeve ring fixed to the grain outlet channel, and an end cover rotatably mounted on the sleeve ring, the end cover is provided with a flow guide channel in communication with the grain outlet channel.

4. The rice combine harvester according to claim 1, wherein Fastening structures are respectively arranged between the two side trough walls of the lower trough body and the corresponding side trough walls of the upper trough body.

5. The rice combine harvester according to claim 4, wherein The two trough walls of the upper trough body are arranged between the two side trough walls of the lower trough body, an arc-shaped groove is arranged on the trough wall of the lower trough body around the rotation axis of the lower trough body; the fastening structure comprises a threaded rod fixed to the trough wall of the upper trough body and penetrating through the arc-shaped groove, and a fastening nut mounted on the threaded rod.

6. The rice combine harvester according to claim 1, wherein The rice harvesting and sample cleaning vehicle further comprises a tipping bucket rotatably mounted at the upper part of the front side of the header housing, an upper tipping connecting structure is arranged between the upper part of the header housing and the corresponding side of the tipping bucket, a lower tipping connecting structure is arranged between the front side of the header housing and the corresponding side of the tipping bucket, and a containing cavity is formed between the header housing and the tipping bucket after the tipping bucket is tipped downward.

7. The rice combine harvester according to any one of claims 1 to 6, characterized in that, A cylinder is inserted at the end of the grain conveying auger cylindrical housing, the end of the cylinder located outside the grain conveying auger cylindrical housing is arranged as a closed end, a limiting structure is arranged between the grain outlet cylinder port at the lower side of the grain conveying auger cylindrical housing and the cylinder, and the suspension structure is fixed to the closed end of the cylinder.

8. The rice combine harvester according to claim 7, characterized by The limiting structure comprises a telescopic insertion structure fixed to the inner side wall of the grain outlet cylinder port, and a plurality of limiting holes are arranged on the cylinder along the axis direction of the grain conveying auger cylindrical housing.

9. The rice combine harvester according to claim 8, characterized by The telescopic insertion structures are respectively arranged on the two inner side walls of the grain outlet cylinder port along the axis direction of the grain conveying auger cylindrical housing.

10. The rice combine harvester according to claim 8, wherein A top block is arranged on the outer side wall of the cylinder at the opposite sides of the telescopic insertion structure.

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