Self-propelled corn harvester capable of harvesting both seeds and stems

Abstract

The invention relates to the field of agricultural machinery, and provides a self-propelled corn harvester capable of harvesting both seeds and stems, which comprises an ear picking rack mounted at the front position of a corn harvester body; the seedling pulling assembly is mounted in the ear picking rack and used for clamping, pulling and separating stalks and ears of the corn; the assembling component is mounted at the top of the ear picking rack and is used as a mounting base point; the multiple positioning sleeves are installed on the assembling assembly at equal intervals, and through holes are formed in the middles of the positioning sleeves; the number of the trapezoid opening frames is equal to that of the positioning sleeves, and the trapezoid opening frames are installed in the middles of the front ends of the positioning sleeves; the spring columns are slidably mounted on the left and right sides of the front part of the trapezoidal opening frame respectively; the number of the inclined clamping plates is two, and the inclined clamping plates are installed at the inward ends of the spring columns. When the corn stalk straightening device is used, straightening treatment on corn stalks bent in different directions is achieved, the harvesting smoothness and the overall efficiency are improved, and it is ensured that the stalks can stably pass through cutting operation.

Description

Technical Field

[0001] The invention relates to the field of agricultural machinery, and more particularly to a self-propelled corn harvester for harvesting both seeds and stalks. Background Art

[0002] A corn harvester is a type of agricultural machinery used when corn is ripe. It can complete multiple operations such as picking corn ears, stacking corn, and returning the stalks to the field in one go. Among them, the self-propelled seed-stalk and stalk corn harvester is a type of machinery that integrates the two major functions of stalk harvesting and ear harvesting. It can efficiently complete the stalk and ear harvesting operations in one go, significantly improving the efficiency of corn harvesting.

[0003] At present, corn harvesters use corn ear picking devices for corn collection, which are generally roller-type corn ear picking devices. The working principle of the ear picking device is mainly to clamp and pull the corn stalks through ear picking rollers rotating in opposite directions to separate the corn ears from the stalks.

[0004] In the actual corn harvesting process, there are often bent corn stalks in the corn fields, and the bending directions are different. Under the clamping and pulling action of the ear picking device, these stalks are more likely to break at the bent parts, causing the stalks to break before being completely removed. Together with the pulled corn ears, the stalks enter the subsequent processing flow of the harvester, increasing the impurity content and increasing the burden of the subsequent processing steps.

[0005] To this end, the present application proposes a self-propelled corn harvester for harvesting both seeds and stalks to solve the above problems. Summary of the invention

[0006] Technical problem to be solved: In view of the problems existing in the prior art, the purpose of the present invention is to provide a self-propelled corn harvester for harvesting both seeds and stalks, which solves the problem that during the corn harvesting process, corn stalks bent in different directions are easily broken by the action of the ear picking device, resulting in an increase in impurities and an increase in the burden of subsequent processing steps.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a self-propelled seed and stalk corn harvester, comprising: an ear picking stand, installed at the front position of the corn harvester body; a rice pulling assembly, installed in the ear picking stand, and used to clamp, pull and separate the stalks and ears of corn; an assembly assembly, installed on the top of the ear picking stand and used as an installation base point; a plurality of positioning sleeves, which are equidistantly installed on the assembly assembly, and the middle part of the positioning sleeves are all provided with through holes; a trapezoidal opening frame, the number of which is equal to that of the positioning sleeves, and all are installed in the middle part of the front end of the positioning sleeve; spring columns, which are respectively slidably installed on the trapezoidal opening The left and right sides of the front of the opening frame; there are two oblique splints, both installed at the inward end of the spring column, and the oblique angle of the oblique splint is 25 to 30 degrees; a plurality of mounting columns are equidistantly installed on the inward side of the oblique splint, and a plurality of displacement rollers are rotatably connected to the middle parts of the plurality of mounting columns, and the outer layers of the displacement rollers are provided with wear-resistant layers; a front stroking component is vertically installed at the top of the oblique splint, and the front stroking component is triggered when it contacts the bent part of the corn stalk in the front range, and a rear stroking component is installed at the rear of the top of the trapezoidal opening frame, and the rear stroking component is triggered when it contacts the bent part of the corn stalk in the rear range.

[0008] In a new embodiment, the rice pulling component includes: a plurality of ear pulling middle leak plates, which are equidistantly installed in the middle of the ear pulling platform frame, and adjacent ear pulling middle leak plates are installed mutually; a rice pulling chain, which is installed on the left and right sides of the top of the ear pulling middle leak plate; an ear pulling roller, which is rotatably installed on the left and right sides of the bottom end of the ear pulling middle leak plate, and the rotation direction of the ear pulling rollers on the left and right sides is inward; a cutting knife is arranged at the lower part of the ear pulling roller and installed on one side of the bottom of the ear pulling middle leak plate; a rice pulling platform is installed between two adjacent ear pulling middle leak plates.

[0009] In a new embodiment, the assembly components include: two mounting plates, which are respectively installed on the left and right sides of the top of the ear picking stand; a long connecting rod, which is arranged between the two mounting plates, and both ends of the long connecting rod are connected to the mounting plates by bolts; and a plurality of groups of threaded holes, each group has two holes, which are equidistantly opened on the long connecting rod.

[0010] In a new embodiment, the assembly components include: two mounting plates, which are respectively installed on the left and right sides of the top of the ear picking stand; a long connecting rod, which is arranged between the two mounting plates, and both ends of the long connecting rod are connected to the mounting plates by bolts; and a plurality of groups of threaded holes, each group has two holes, which are equidistantly opened on the long connecting rod.

[0011] In a new embodiment, the rear-pushing assembly includes: a positioning plate installed at the rear middle part of the top end of the trapezoidal opening frame; a movable column slidably installed in the middle part of the positioning plate; an unfolding plate installed at the front end of the movable column and located at the top position of the oblique clamping plate; an extrusion spring sleeved on the outside of the movable column, one end of which is connected to the front end of the positioning plate and the other end is connected to the rear part of the unfolding plate; two oblique wheels are provided, which are rotatably installed on the left and right sides of the middle part of the unfolding plate respectively.

[0012] In a new embodiment, a shielding plate is fixedly installed on the top of the positioning plate, and a metal plate is installed on the top of the shielding plate.

[0013] In a new embodiment, a transverse straight plate is fixedly mounted on the front end of the oblique clamping plate, and a guide wheel is rotatably connected to the front top of the transverse straight plate.

[0014] In a new embodiment, the trapezoidal opening frame is arranged at the middle and rear part of the top end of the ear-pulling middle leakage plate, and the trapezoidal opening frame and the ear-pulling middle leakage plate are arranged with their axis centers aligned.

[0015] Beneficial effect: Compared with the prior art, the advantage of the present invention is that the corn stalks are firstly clamped and conveyed by the ear pulling middle leakage plate and the grain pulling chain, and then enter the displacement roller area between the oblique clamping plates on both sides through the guide wheel for elastic clamping. In the process of the ear pulling roller pulling the stalks backward, the displacement rollers in the oblique clamping plates not only provide long-distance stable clamping, but also straighten the bent parts on the left and right sides of the stalks. The application of the wear-resistant layer thereon reduces the risk of friction fracture and reduces the generation of impurities.

[0016] The assembly components use a mounting plate to ensure stable installation on the ear picking stand. The flexible adjustment capability of the long connecting rod provides the trapezoidal open frame with an installation point that can adapt to a variety of environments. The setting of the threaded holes further enhances the convenience of installation and enables quick fixation. The overall design simplifies the installation process, allowing the trapezoidal open frame to be quickly and accurately installed to the designated position.

[0017] By setting up an inclined plate, a vertical shaft, a rolling wheel and a front guide wheel, the corn stalks can be effectively guided to smoothly enter the rear clamping area of ​​the inclined clamping plate. The rolling combing effect of the rolling wheel can straighten the bent stalks at the front, reduce breakage and damage, improve combing efficiency, reduce blockage and entanglement problems, and improve overall harvesting efficiency.

[0018] Through the cooperation of the movable column, extrusion spring, expansion plate and oblique wheel with the front straightening assembly, the straightening operation of the bent part at the rear of the corn stalk is achieved. The rolling straightening effect of the oblique wheel reduces the damage to the stalk. The movable column and extrusion spring are flexibly adjusted according to the diameter of the stalk, making it suitable for stalks of different diameters, thereby improving the smoothness and overall efficiency of harvesting and ensuring that the stalks can pass through the cutting operation smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the corn harvester of the present invention without installing the assembly components.

[0020] Figure 2 This is a three-dimensional structural schematic diagram from another perspective of the corn harvester of the present invention without installing the assembly components.

[0021] Figure 3 This is a front view of the corn harvester of the present invention without installing the assembly components.

[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the ear picking stand of the present invention.

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the ear picking stand of the present invention from another viewing angle.

[0024] Figure 6 It is a schematic diagram of the internal structure of the straw-pulling platform of the present invention.

[0025] Figure 7 It is a schematic diagram of the structure of the rice pulling component of the present invention.

[0026] Figure 8 It is a schematic diagram of the position structure of the ear pulling roller of the present invention.

[0027] Fig. 9 It is a schematic diagram of the position structure of the rice pulling assembly and the trapezoidal opening frame of the present invention.

[0028] Fig.10 It is a schematic diagram of the assembly component structure of the present invention.

[0029] Fig.11 It is a schematic diagram of the long connecting rod structure of the present invention.

[0030] Fig.12 It is a schematic diagram of the structure of the trapezoidal open frame of the present invention.

[0031] Fig.13 It is a schematic diagram of the structure of the front stroking component of the present invention.

[0032] Fig.14 It is a schematic diagram of the structure of the rear-stroking component of the present invention.

[0033] Fig.15 It is a schematic diagram of the structure of the front stroking component and the rear stroking component in the operating state of the present invention.

[0034] Fig.16 It is a schematic diagram of the working state of the front stroking component of the present invention.

[0035] Fig.17 It is a schematic diagram of the working state of the rear-stroking component of the present invention.

[0036] The accompanying drawings are marked as follows: 1. ear picking stand; 2. rice pulling assembly; 201. ear pulling middle leakage plate; 202. rice pulling chain; 203. ear pulling roller; 204. cutting knife; 205. rice pulling stand; 3. assembly assembly; 301. matching plate; 302. long connecting rod; 303. threaded hole; 4. positioning sleeve; 5. through hole; 6. trapezoidal opening frame; 7. spring column; 8. oblique splint; 9. matching column; 10. displacement roller Column; 11. wear-resistant layer; 12. front stroking assembly; 1201. oblique plate; 1202. vertical shaft; 1203. rolling wheel; 1204. front guide wheel; 13. rear stroking assembly; 1301. positioning plate; 1302. movable column; 1303. unfolding plate; 1304. extrusion spring; 1305. oblique wheel; 1306. shielding plate; 1307. metal plate; 14. horizontal straight plate; 15. guide wheel. DETAILED DESCRIPTION

[0037] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention; it is obvious that the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making creative work are within the scope of protection of the present invention.

[0038] The embodiment of the present application provides a self-propelled corn harvester for both seeds and stalks, which solves the problem that during the corn harvesting process, corn stalks bent in different directions are easily broken by the action of the ear picking device, resulting in an increase in impurities and an increase in the burden of subsequent processing steps. When in use, the corn stalks bent in different directions can be straightened, thereby improving the smoothness and overall efficiency of the harvest and ensuring that the stalks can pass through the cutting operation smoothly.

[0039] The technical solution in the embodiments of the present application is to solve the above technical problems, and the overall idea is as follows.

[0040] Example 1: Please refer to Figure 4-Figure 17A self-propelled corn harvester for harvesting both seeds and stalks comprises: an ear picking frame 1, which is installed at the front position of the corn harvester body; a rice pulling assembly 2, which is installed in the ear picking frame 1 and is used to clamp, pull and separate the stalks and ears of corn; an assembly assembly 3, which is installed on the top of the ear picking frame 1 and is used as an installation base point; a plurality of positioning sleeves 4 are provided, which are equidistantly installed on the assembly assembly 3, and the middle part of the positioning sleeves 4 is provided with a through hole 5; a trapezoidal opening frame 6, which is equal to the number of the positioning sleeves 4 and is installed at the middle part of the front end of the positioning sleeve 4; a spring column 7, which is slidably installed on the left and right sides of the front of the trapezoidal opening frame 6 ; There are two oblique splints 8, both of which are installed at the inward end of the spring column 7, and the oblique angle of the oblique splint 8 is 25 to 30 degrees; a plurality of mounting columns 9 are equidistantly installed on the inward side of the oblique splint 8, and a plurality of displacement rollers 10 are rotatably connected to the middle parts of the plurality of mounting columns 9, and the outer layers of the displacement rollers 10 are provided with wear-resistant layers 11; a front stroking component 12 is vertically installed at the top end of the oblique splint 8, and the front stroking component 12 is triggered when it contacts the curved part of the corn stalk in the front range, and a rear stroking component 13 is installed at the rear part of the top end of the trapezoidal opening frame 6, and the rear stroking component 13 is triggered when it contacts the curved part of the corn stalk in the rear range.

[0041] In this example, see Figure 4-Figure 17 As shown, firstly, the assembly component 3 is installed on the top of the ear picking stand 1, and the multiple trapezoidal opening frames 6 are fixed by the assembly component 3, and are aligned with the center of the ear pulling middle leakage plate 201 in the rice pulling component 2. When the corn harvester starts to work, it will drive the ear picking stand 1 and the rice pulling component 2 to harvest from the bottom of the corn stalks upward in sequence. During the harvesting process, the machine will encounter corn stalks bent on the left and right sides. In order to cope with this situation, by setting the positioning sleeve 4, the through hole 5, the trapezoidal opening frame 6, the spring column 7, the oblique splint 8, the matching column 9 and the displacement roller 10 and the wear-resistant layer 11, the specific working process is as follows: first, the corn stalks enter the ear pulling middle leakage plate The middle part of the corn stalk is clamped and pulled for transportation by 201. When the lower middle position of the stalk reaches the position of the guide wheel 15, it will squeeze the guide wheels 15 on both sides and enter between the left and right oblique clamps 8. The oblique clamps 8 elastically clamp the lower part of the corn stalk through the spring column 7 connected to it. As the corn stalk is continuously pulled backward by the ear pulling roller 203 in the straw pulling component 2, the left and right bent parts of the middle and upper part of the corn stalk will enter the oblique clamps 8 on both sides for clamping and straightening correction, so that the corn stalk always moves downward in a straight line and completes the subsequent cutting, providing a more stable clamping effect of the corn stalk and reducing the problem of direct breakage during traction due to the bending of the left and right sides of the stalk.

[0042] Secondly, the arrangement of the mounting column 9 and the displacement roller 10 on the inner side of the oblique clamp 8, on the one hand, the displacement rollers 10 equidistantly arranged from front to back provide a long-distance elastic clamping effect for the backward movement of the corn stalks, and the wear-resistant layer 11 arranged on the outer layer of the displacement roller 10 greatly reduces the friction with the stalks during the clamping process, and reduces the risk of the stalks breaking due to friction overheating or excessive squeezing. At the same time, it helps to reduce the generation of stalk fragments and other impurities, making the corn ears entering the subsequent processing flow purer, and combined with the arrangement of the front and rear stroking components 12 and 13, the trigger correction is performed on the curved parts of the corn stalks in the front and rear ranges respectively, which helps to better comb and guide the stalks during the pulling process, which not only improves the pulling efficiency of the stalks, but also reduces machine failures caused by stalk entanglement or blockage.

[0043] Therefore, the self-propelled corn harvester for both seeds and stalks can better adapt to the complex and changeable corn field environment, improve the efficiency and quality of stalk and ear harvesting, and at the same time, reduce the burden of subsequent processing procedures caused by the increase in impurity content due to the breakage of the bent part of the corn stalks, thereby reducing production costs and energy consumption.

[0044] See also Figure 4-Figure 9 The rice pulling component 2 includes: a plurality of ear pulling middle leakage plates 201, which are equidistantly installed in the middle of the ear pulling platform frame 1, and adjacent ear pulling middle leakage plates 201 are installed mutually; a rice pulling chain 202, which is installed on the left and right sides of the top of the ear pulling middle leakage plate 201; an ear pulling roller 203, which is rotatably installed on the left and right sides of the bottom end of the ear pulling middle leakage plate 201, and the rotation direction of the left and right ear pulling rollers 203 is both inward; a cutting knife 204, which is arranged at the lower part of the ear pulling roller 203 and installed on one side of the bottom of the ear pulling middle leakage plate 201; a rice pulling platform 205, which is installed between two adjacent ear pulling middle leakage plates 201.

[0045] When the corn harvester is working by setting the ear pulling middle leakage plate 201, the pulling chain 202, the ear pulling roller 203, the cutting knife 204 and the pulling platform 205, the pulling chains 202 on both sides first clamp the corn stalks, and pull them to the middle of the ear pulling middle leakage plate 201 through the transmission action of the chain. During the pulling process, the ear pulling roller 203 rotates inward to gather the stalks to the center and promote the separation of the ears and the stalks. At the same time, the cutting knife 204 cuts off the excess stalks at an appropriate time to ensure that the harvested ears are purer. The pulling platform 205 plays a role in stabilizing and supporting the stalks in the whole process, reduces the bouncing and shaking of the stalks, and improves the stability and efficiency of the harvest. Secondly, a auger conveyor is also installed at the rear of the ear picking platform 1 for subsequent conveying and processing of the corn fruits.

[0046] Secondly, refer to Figure 1-Figure 3 As shown, the overall harvesting process of a self-propelled corn harvester for harvesting both seeds and stalks is as follows: During the forward harvesting process of the self-propelled corn harvester for harvesting both seeds and stalks, the corn stalks and corn cobs are separated by the pulling component 2 on the ear picking stand 1, and the squeezed corn cobs fall onto the horizontal conveyor belt A below. The corn with husks is sent to the entrance of the elevator B through the horizontal conveyor belt A. The corn cobs are lifted to the peeling machine assembly center C after passing through the elevator B. After the corn with husks is peeled by the peeling roller, the corn cobs enter the fruit box D at the rear, and the husks fall into the husk auger at the lower layer along the peeling roller. After the rotation of the husk auger, the husk is sent to the chopper and chopped and then returned to the field. The straw separated by the ear picking stand 1 enters the bridge mechanism E, and is transported into the spreading cylinder F through the bridge mechanism E. The bottom of the spreading cylinder F is composed of a grass cutter and a spreading cylinder. The straw enters the grass cutter and is chopped and then enters the spreading cylinder F, and enters the grass box G from the front of the spreading cylinder F. The roots of the corn stalks harvested by the ear picking stand 1 are broken and returned to the field by the field return machine assembled under the harvester chassis, thus realizing the corn harvesting process.

[0047] Example 2: Please refer to Figure 10-11 The assembly component 3 includes: two mounting plates 301, which are respectively installed on the left and right sides of the top of the ear picking stand 1; a long connecting rod 302, which is arranged between the two mounting plates 301, and both ends of the long connecting rod 302 are connected to the mounting plates 301 by bolts; a plurality of threaded holes 303 are arranged, each group has two threads, and are equidistantly opened on the long connecting rod 302.

[0048] By setting the mounting plate 301, the long connecting rod 302 and the threaded hole 303, the mounting plate 301 ensures the installation stability of the assembly component 3 and the ear picking stand 1, and the long connecting rod 302 installed between the two mounting plates 301 provides an installation position for the trapezoidal opening frame 6, and its length and position can be flexibly adjusted according to actual needs to adapt to various installation environments and requirements. In addition, the application of the threaded hole 303 further enhances the flexibility and convenience of installation, and realizes quick connection and fixation through fasteners such as bolts. Therefore, the assembly component 3 provides multiple flexible installation points through the mounting plate 301 and the adjustable long connecting rod 302, so that the trapezoidal opening frame 6 can be quickly and accurately installed in the specified position without tedious adjustment and positioning steps.

[0049] Example 3: Please refer to Fig.12 , Fig.13 , Fig.15 and Fig.16 The front stroking assembly 12 includes: two inclined plates 1201, both of which are installed on the top of the two inclined clamping plates 8; a vertical shaft 1202, one end of which is fixedly installed on the upper part of the outward end of the inclined plate 1201; a rolling wheel 1203, which is rotatably installed in the middle of the vertical shaft 1202, and the left and right rolling wheels 1203 are in an inner octagonal state; a front guide wheel 1204, which is rotatably installed on the other end of the vertical shaft 1202.

[0050] The front-straightening assembly 12 is formed by setting an inclined plate 1201, a vertical shaft 1202, a rolling wheel 1203 and a front guide wheel 1204, and installed on the top of the inclined clamping plate 8. The assembly effectively guides the corn stalks into the rear clamping area of ​​the inclined clamping plate 8. When the corn stalks reach the rear position of the inclined clamping plates 8 on both sides, the rolling wheels 1203 on both sides will contact the front left and right sides of the corn stalks to provide necessary support and stability for the corn. When the bent corn stalks at the front reach the middle of the rolling wheels 1203 on both sides, the rolling wheels 1203 are used to roll, comb and straighten the corn stalks, thereby reducing the breakage and damage of the stalks and causing the stalks to gather toward the center for subsequent clamping and pulling.

[0051] Among them, the design of the vertical shaft 1202 not only enhances the overall stability and rigidity of the front-stroking component 12, but also enables it to withstand various external forces and vibrations generated during the harvesting operation. The function of the front guide wheel 1204 is to contact the stems in advance and guide them to smoothly enter the combing area of ​​the rolling wheel 1203, ensuring that the stems pass through the front-stroking component 12 smoothly and orderly.

[0052] Therefore, the front-stroking component 12, by virtue of the rolling combing of its roller wheel 1203 and the guiding effect of the front guide wheel 1204, significantly improves the combing efficiency of the corn stalks, ensures that the stalks enter the subsequent clamping and pulling links smoothly and orderly, effectively reduces the blockage and entanglement problems of the stalks, and reduces the damage to the corn stalks. Compared with the traditional clamping and pulling methods, the front-stroking component 12 handles the stalks more gently, avoiding stalk breakage and impurities caused by excessive squeezing or friction. In addition, the front-stroking component 12 also enhances the overall stability of the corn harvester, and reduces vibration and shaking during the harvesting process by accurately guiding the stalks into the correct position, thereby improving the stability and efficiency of the harvest. The spring column 7 can adapt to corn stalks of different shapes and sizes, and can play a good role in various complex harvesting environments, thereby broadening the scope of application of the corn harvester and improving the overall efficiency.

[0053] See also Fig.14 and Fig.17 The rear-pushing assembly 13 includes: a positioning plate 1301, installed at the rear middle part of the top end of the trapezoidal opening frame 6; a movable column 1302, slidably installed in the middle part of the positioning plate 1301; an unfolding plate 1303, installed at the front end of the movable column 1302, and located at the top position of the oblique clamping plate 8; an extrusion spring 1304, sleeved on the outside of the movable column 1302, one end of which is connected to the front end of the positioning plate 1301, and the other end is connected to the rear part of the unfolding plate 1303; two oblique wheels 1305 are provided, which are rotatably installed on the left and right sides of the middle part of the unfolding plate 1303 respectively.

[0054] By setting the rear stroking component 13 composed of the positioning plate 1301, the movable column 1302, the unfolding plate 1303, the extrusion spring 1304 and the inclined wheel 1305, when encountering a corn stalk with a bent rear part, the corn stalk first passes through the guide wheel 15 and the front stroking component 12 in turn to reach the rear position of the inclined clamping plate 8, and the movable column 1302, the unfolding plate 1303 and the extrusion spring 1304 are used to support the rear part of the entering stalk. As the pulling component 2 continues to move, the corn stalk continues to descend. When it reaches the rear curved part, the inclined wheel 1305 in an angled state is used to contact the left and right sides of the rear of the stalk, and with the support of the front stroking component 12 at the front, the rear curved part of the stalk is straightened to ensure that the stalk is effectively combed and clamped, thereby stably fixing the stalk on the harvesting path and reducing the shaking and falling of the stalk during the harvesting process.

[0055] Among them, the movable column 1302 and the extrusion spring 1304 give the rear-smoothing component 13 the ability of adaptive adjustment, so that it can be flexibly adjusted according to the diameter of the corn stalks, and the extrusion spring 1304 provides elastic resistance force for the movable column 1302 and the unfolding plate 1303, so that they can cling to the stalks without causing excessive extrusion, which not only ensures the stability of clamping, but also reduces the damage to the stalks. In addition, the angle setting of the oblique wheels 1305 on both sides enables it to roll along the stalks and straighten the rear bent part, reducing the friction and damage of the stalks while guiding the stalks into the correct harvesting path, ensuring the efficiency and stability of the harvesting process.

[0056] Therefore, the rear stroking assembly 13 can be applied to the rear bending and straightening operation of corn stalks of different diameters through the adaptive adjustment design of the movable column 1302 and the extrusion spring 1304, and the close cooperation of the unfolding plate 1303, the oblique clamping plate 8 and the front stroking assembly 12, which can reduce the damage to the stalks and ensure that the stalks can be smoothly and orderly cut by the pulling assembly 2 to complete the removal of the stalks, thereby improving the fluency and overall efficiency of the harvesting process. Secondly, the front stroking assembly 12 and the rear stroking assembly 13 are not limited to the curved corn stalks just in the front and back direction. The front and rear curved stalks can be used with a slight deflection to the left or right side or a large deflection.

[0057] For further information, see Fig.14 As shown, a shielding plate 1306 is fixedly installed on the top of the positioning plate 1301, and a metal plate 1307 is installed on the top of the shielding plate 1306. By setting the shielding plate 1306 and the more rigid metal plate 1307, the movable column 1302 and the extrusion spring 1304 can be effectively protected to prevent them from being damaged by the impact of falling corn.

[0058] For further information, see Fig.13As shown, the front ends of the inclined clamps 8 are fixedly installed with transverse straight plates 14, and the front ends of the top ends of the transverse straight plates 14 are rotatably connected with guide wheels 15. By setting the transverse straight plates 14 and the guide wheels 15, the corn stalks entering between the inclined clamps 8 on both sides can be guided to ensure that they enter the interior between the inclined clamps 8 on both sides more stably, so as to better carry out the subsequent stalk straightening processing.

[0059] For further information, see Fig. 9 As shown, the trapezoidal opening frame 6 is arranged at the middle and rear part of the top end of the ear-pulling middle leakage plate 201, and the trapezoidal opening frame 6 and the ear-pulling middle leakage plate 201 are arranged with the axis center aligned. By using the middle position of the ear-pulling middle leakage plate 201 to determine the installation position of the trapezoidal opening frame 6, it can be ensured that during the corn harvesting stage, the two can more accurately guide and straighten the corn stalks, providing the necessary prerequisite guarantee for the subsequent straightening operation.

[0060] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-propelled corn harvester for harvesting both seeds and stalks, characterized in that: include: An ear picking stand (1) is installed at the front of the corn harvester body; A corn pulling component (2) is installed in the ear picking stand (1) and is used to clamp, pull and separate the corn stalks and ears; An assembly component (3) is installed on the top of the ear picking stand (1) and is used as an installation base point; A plurality of positioning sleeves (4) are provided and are equidistantly mounted on the assembly component (3), and a through hole (5) is formed in the middle of each positioning sleeve (4); The number of trapezoidal opening frames (6) is equal to that of the positioning sleeve (4), and they are all installed at the front middle part of the positioning sleeve (4); Spring columns (7) are slidably mounted on the left and right sides of the front of the trapezoidal opening frame (6); Two oblique clamping plates (8) are provided, both of which are installed at the inward end of the spring column (7), and the oblique angle of the oblique clamping plates (8) is 25 to 30 degrees; A plurality of mounting columns (9) are equidistantly mounted on one side of the oblique clamping plate (8) facing inward, a plurality of displacement rollers (10) are rotatably connected to the middle portions of the plurality of mounting columns (9), and the outer layers of the displacement rollers (10) are provided with wear-resistant layers (11); A front stroking assembly (12) is vertically mounted on the top end of each of the oblique clamps (8), and is triggered when the front stroking assembly (12) contacts a bent portion of a corn stalk within a front range. A rear stroking assembly (13) is mounted on the rear end of each of the top ends of each of the trapezoidal opening frames (6), and is triggered when the rear stroking assembly (13) contacts a bent portion of a corn stalk within a rear range.

2. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 1, characterized in that: The pulling out component (2) comprises: A plurality of ear-picking middle leakage plates (201) are provided and are installed at equal intervals in the middle of the ear-picking stand (1), and adjacent ear-picking middle leakage plates (201) are installed mutually; The pulling chain (202) is installed on the left and right sides of the top of the ear pulling middle leakage plate (201); Ear pulling rollers (203) are rotatably mounted on the left and right sides of the bottom end of the ear pulling middle leakage plate (201), and the rotation direction of the ear pulling rollers (203) on the left and right sides is both inward; A cutting knife (204) is arranged at the lower part of the ear pulling roller (203) and installed at one side of the bottom of the ear pulling middle leakage plate (201); The pulling platform (205) is installed between two adjacent pulling middle drain plates (201).

3. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 1, characterized in that: The assembly component (3) comprises: Two mounting plates (301) are provided and are respectively mounted on the left and right sides of the top of the ear picking stand (1); A long connecting rod (302) is arranged between the two mounting plates (301), and both ends of the long connecting rod (302) are connected to the mounting plates (301) by bolts; The threaded holes (303) are provided in a plurality of groups, each group having two threads, and are equidistantly disposed on the long connecting rod (302).

4. The self-propelled corn harvester for harvesting both seeds and stalks according to claim 1, characterized in that: The front stroking component (12) comprises: Two inclined plates (1201) are provided and are both installed on the top of the two inclined clamping plates (8); One end of the vertical shaft (1202) is fixedly mounted on the upper part of the outward end of the inclined plate (1201); The rolling wheel (1203) is rotatably mounted on the middle part of the vertical shaft (1202), and the rolling wheels (1203) on the left and right sides are in an inner octagonal state; The front guide wheel (1204) is rotatably mounted on the other end of the vertical shaft (1202).

5. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 1, characterized in that: The rear stroking component (13) comprises: A positioning plate (1301) is mounted at the rear middle portion of the top end of the trapezoidal opening frame (6); A movable column (1302) is slidably mounted on the middle portion of the positioning plate (1301); An unfolding plate (1303) is mounted on the front end of the movable column (1302) and is located at the top of the oblique clamping plate (8); The extrusion spring (1304) is sleeved on the outside of the movable column (1302), one end of which is connected to the front end of the positioning plate (1301) and the other end of which is connected to the rear of the unfolding plate (1303); Two oblique wheels (1305) are provided, which are rotatably mounted on the left and right sides of the middle of the unfolding plate (1303) respectively.

6. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 5, characterized in that: A shielding plate (1306) is fixedly mounted on the top of the positioning plate (1301), and a metal plate (1307) is mounted on the top of the shielding plate (1306).

7. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 1, characterized in that: A transverse straight plate (14) is fixedly mounted on the front end of each of the oblique clamping plates (8), and a guide wheel (15) is rotatably connected to the front top of each of the transverse straight plates (14).

8. The self-propelled corn harvester for harvesting both seeds and stalks as claimed in claim 1, characterized in that: The trapezoidal opening frame (6) is arranged at the middle and rear part of the top end of the ear-pulling middle leakage plate (201), and the trapezoidal opening frame (6) and the ear-pulling middle leakage plate (201) are arranged with their axis centers aligned.

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