High-speed harvesting roller of rice and wheat combine harvester

Abstract

The utility model discloses a high-speed harvesting roller of a rice and wheat combine harvester, which belongs to the technical field of harvesting rollers, and comprises a main rotating shaft, a mounting rod and a pair of fixing discs, a plurality of comb tooth components which are annularly distributed at equal intervals are arranged between the pair of fixing discs, and the main rotating shaft penetrates through the pair of fixing discs. According to the scheme, the multiple grain lifting assemblies are arranged below the roller, the grain lifting assemblies are installed through the installation rods, every two of the grain lifting assemblies are combined to form an outwards-expanding included angle, and therefore the lodging straw can be straightened before the roller makes contact with the straw; the roots of the straws are perpendicular to the ground, so that the straws are more easily cut by a roller of the harvester, the cutting efficiency can be improved, the conditions of jamming or missing in the cutting process can be reduced, meanwhile, the occurrence of roller blockage and faults can be reduced, and the reliability and the stability of the harvester are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of harvesting rollers, and more specifically to a high-speed harvesting roller for a rice and wheat combine harvester. Background Art

[0002] The harvester drum is an important component of the harvester, used to cut crops and transport them to the harvester for subsequent processing. The drum is usually located at the front of the harvester, installed under the header. It consists of a series of metal teeth or racks to form a cylindrical structure. When operating, the drum cuts the crops horizontally through rotation and transports them to the inside of the harvester.

[0003] China Patent Authorization Announcement No.: CN217336519U provides a horizontal axis harvester drum, which is provided with teeth radially distributed with the drum axis as the axis on the tooth bar, and the drum is provided with a feeding area, a separation area and a discharging area, and the ends of the teeth are in an arc shape, and the ends of the teeth have no sharp edges. The horizontal axis harvester drum has an arc-shaped end of the teeth on the tooth bar on the drum, which not only increases the strength of the teeth, but also greatly reduces the crushing rate of grains, thereby improving the harvesting quality of the harvester.

[0004] When rice and wheat crops grow, the straw may tilt or fall over due to factors such as wind and water flow. The drum in the above scheme does not have a straw support device. At this time, the drum of the harvester is likely to directly cut or damage the crops, causing them to be damaged before being transported to the harvesting platform, causing the straw to be entangled on the drum, thereby reducing the harvesting efficiency.

[0005] Therefore, in view of the above problems, a high-speed harvesting drum for a rice-wheat combine harvester is proposed. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the problems existing in the prior art, the purpose of the utility model is to provide a high-speed harvesting drum for a rice-wheat combine harvester. In this scheme, a plurality of straw-supporting assemblies are arranged under the drum. The straw-supporting assemblies are installed by means of mounting rods. The plurality of straw-supporting assemblies are combined in pairs to form an outwardly expanding angle, so that the fallen straw can be straightened before the drum contacts the straw. The root of the straw is perpendicular to the ground, making it easier for the drum of the harvester to cut it, thereby improving the cutting efficiency and reducing the situations where it gets stuck or missed during the cutting process. At the same time, it can also reduce the occurrence of drum blockage and failure, and improve the reliability and stability of the harvester.

[0008] 2. Technical solution

[0009] To solve the above problems, the utility model adopts the following technical solutions.

[0010] A high-speed harvesting drum of a rice-wheat combine harvester comprises a main rotating shaft, a mounting rod and a pair of fixed disks, a plurality of comb tooth assemblies equidistantly distributed in a ring shape are arranged between the pair of fixed disks, the main rotating shaft passes through the pair of fixed disks, the mounting rod is located below the fixed disks, and a plurality of rice-supporting assemblies are arranged at the outer end of the mounting rod.

[0011] Furthermore, a plurality of equidistantly distributed support blocks are fixedly connected to the outer end of the main shaft, the support blocks are arranged in a hexagonal shape, and mounting shells are installed at both ends of the main shaft, and a pair of the mounting shells are symmetrically distributed.

[0012] Furthermore, a pair of bottom ends of the mounting shells are fixedly connected with fixing blocks, and the mounting rod is fixedly mounted between the pair of fixing blocks.

[0013] Furthermore, the comb tooth assembly includes a connecting rod, both ends of which are connected to a pair of fixed plates by bolts, and the outer end of the connecting rod is fixedly connected to a baffle, which is arranged in a U shape.

[0014] Furthermore, the outer end of the baffle is fixedly connected to a plurality of teeth distributed at equal intervals, the teeth are arranged in a cone shape, and the outer end of the support block is fixedly connected to the connecting rod.

[0015] Furthermore, the Fuhe assembly includes a mounting block, which is fixedly connected to the outer end of the mounting rod, and a guide block is installed on the outer end of the mounting block by bolts. A mounting groove is opened on the outer end of the guide block, and a plurality of equally distributed guide wheels are rotatably connected to the inner wall of the mounting groove, and the outer periphery of the guide wheel is provided with anti-slip grooves.

[0016] 3. Beneficial effects

[0017] Compared with the prior art, the advantages of the present invention are:

[0018] In this solution, multiple straw supporting assemblies are arranged under the drum. The straw supporting assemblies are installed through mounting rods. Multiple straw supporting assemblies are combined in pairs to form an outward-expanding angle, so that the fallen straw can be straightened before the drum contacts the straw. The root of the straw is perpendicular to the ground, making it easier for the drum of the harvester to cut it, which can improve the cutting efficiency and reduce the occurrence of sticking or missing during the cutting process. At the same time, it can also reduce the occurrence of drum blockage and failure, and improve the reliability and stability of the harvester. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the partial explosion structure of the utility model;

[0021] Figure 3 It is a partial three-dimensional structural schematic diagram of the utility model;

[0022] Figure 4 It is a schematic diagram of the structure of the Fuhe component of the utility model.

[0023] Description of the numbers in the figure:

[0024] 1. Fixed plate;

[0025] 2. Comb tooth assembly; 21. Teeth; 22. Baffle; 23. Connecting rod;

[0026] 3. Support block;

[0027] 4. Install the housing;

[0028] 5. Fixed block;

[0029] 6. Install the rod;

[0030] 7. Supporting assembly; 71. Mounting block; 72. Guide block; 73. Guide wheel;

[0031] 8. Main shaft. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0033] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "set / connected", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] Example:

[0036] See also Figure 1-Figure 4 A high-speed harvesting drum for a rice and wheat combine harvester comprises a main rotating shaft 8, a mounting rod 6 and a pair of fixed disks 1, a plurality of comb tooth assemblies 2 which are equidistantly distributed in a circular shape are arranged between the pair of fixed disks 1, the main rotating shaft 8 passes through the pair of fixed disks 1, the mounting rod 6 is located below the fixed disks 1, and a plurality of rice supporting assemblies 7 are arranged at the outer end of the mounting rod 6.

[0037] A plurality of equally spaced support blocks 3 are fixedly connected to the outer end of the main shaft 8 , and the support blocks 3 are arranged in a hexagonal shape. Both ends of the main shaft 8 are installed with mounting shells 4 , and a pair of mounting shells 4 are symmetrically distributed.

[0038] The bottom ends of a pair of mounting shells 4 are both fixedly connected with fixing blocks 5 , and the mounting rod 6 is fixedly installed between the pair of fixing blocks 5 .

[0039] The device in this scheme is mainly used for harvesting rice or wheat. It is used to harvest crops and transport them to the inside of the harvester for subsequent cutting, separation and threshing, etc. It is an important component for achieving efficient harvesting. The main shaft 8 runs through the entire drum, and the two ends of the main shaft 8 are used to be installed on the harvester to rotate the drum. A plurality of comb tooth assemblies 2 distributed in an annular shape are installed between the two fixed disks 1. The comb tooth assemblies 2 are mainly used to comb the crop straw and press it onto the harvesting platform transported to the harvester for cutting. A plurality of support blocks 3 are installed inside the comb tooth assemblies 2 distributed in an annular shape. The support blocks 3 mainly play the role of a stable supporting structure. The support blocks 3 are hexagonal, and the protruding corners are fixedly connected to the connecting rod 23.

[0040] A mounting shell 4 is also provided at both ends of the main rotating shaft 8. The main rotating shaft 8 passes through the mounting shell 4 and can rotate. The mounting shell 4 will also be fixedly installed with the harvester. A fixing block 5 is fixedly installed at the bottom end of the mounting shell 4. The fixing block 5 is mainly used to install the mounting rod 6, so that the straw supporting component 7 on the mounting rod 6 can be installed under the drum. The straw supporting component 7 extends forward at the same time to straighten the crop straw to be contacted by the drum, so that the root of the crop straw is perpendicular to the ground, making it easier for the drum of the harvester to cut it, which can improve the cutting efficiency and reduce the situation of sticking or missing during the cutting process. At the same time, it can also reduce the occurrence of drum blockage and failure, and improve the reliability and stability of the harvester.

[0041] See also Figure 1 and Figure 2 The comb tooth assembly 2 includes a connecting rod 23, both ends of which are connected to a pair of fixed plates 1 by bolts, and the outer end of the connecting rod 23 is fixedly connected to a baffle 22, which is arranged in a U shape.

[0042] The outer end of the baffle 22 is fixedly connected with a plurality of teeth 21 distributed at equal intervals, and the teeth 21 are arranged in a cone shape. The outer end of the support block 3 is fixedly connected with the connecting rod 23 .

[0043] The connecting rod 23 in the present embodiment is connected to the outer end of the fixed plate 1 by bolts, and can be easily removed for replacement or repair, thereby improving the convenience of maintenance. A baffle 22 is installed at the outer end of the connecting rod 23. The baffle 22 mainly plays a protective role and can reduce the probability of straw being entangled on the connecting rod 23. A plurality of teeth 21 are fixed at the outer end of the baffle 22. The teeth 21 are mainly used to comb and press down the crop straw, thereby sending it to the harvesting platform.

[0044] See also Figure 3 and Figure 4 The supporting component 7 includes a mounting block 71, which is fixedly connected to the outer end of the mounting rod 6. A guide block 72 is installed on the outer end of the mounting block 71 by bolts. A mounting groove is opened on the outer end of the guide block 72. A plurality of equally spaced guide wheels 73 are rotatably connected to the inner wall of the mounting groove. The outer periphery of the guide wheel 73 is surrounded by anti-slip grooves.

[0045] In this scheme, the two straw-supporting assemblies 7 are matched as a group, and the mounting block 71 is fixed on the mounting rod 6. The outer end of the mounting block 71 is connected with a guide block 72 by bolts, which can facilitate installation and disassembly, and can also fine-tune the angle of the guide block 72 so that it can adapt to different work requirements. A mounting groove is provided on the outer side of the mounting block 71, and a plurality of guide wheels 73 are rotatably connected to the inner wall of the mounting groove. The guide block 72 is expanded outward and matched with the plurality of guide wheels 73 installed thereon. When working, the guide block 72 is inserted into the middle of the straw to guide the straw to be straightened to the bottom of the roll. By straightening and then harvesting, the cutting loss rate can be reduced and the operation quality of the harvester can be improved.

[0046] Working principle: When only the device in this scheme is used, it needs to be installed on the harvester first. The main shaft 8 runs through the entire drum. The two ends of the main shaft 8 are used to be installed on the harvester. A plurality of comb tooth assemblies 2 distributed in a ring are installed between the two fixed disks 1. The connecting rod 23 is connected to the outer end of the fixed disk 1 by bolts. A baffle 22 is installed at the outer end of the connecting rod 23. The baffle 22 mainly plays a protective role and can reduce the probability of straw being entangled on the connecting rod 23. The teeth 21 mainly comb the straw of crops and press it downward, so as to send it to the harvesting platform below. The straw supporting assembly 7 is installed under the drum and extends forward at the same time. When working, the guide block 72 will first be inserted into the middle of the straw to guide it to the bottom of the drum. By straightening it and then cutting it, the cutting loss rate can be reduced and the operation quality of the harvester can be improved.

[0047] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A high-speed harvesting drum for a rice and wheat combine harvester, comprising a main rotating shaft (8), a mounting rod (6) and a pair of fixed disks (1), characterized in that: A plurality of comb tooth assemblies (2) equidistantly distributed in a ring shape are arranged between the pair of fixed disks (1); the main rotating shaft (8) passes through the pair of fixed disks (1); the mounting rod (6) is located below the fixed disks (1); and a plurality of grass-supporting assemblies (7) are arranged at the outer end of the mounting rod (6).

2. The high-speed harvesting drum of a rice-wheat combine harvester according to claim 1, characterized in that: The outer end of the main rotating shaft (8) is fixedly connected to a plurality of support blocks (3) distributed at equal distances, the support blocks (3) are arranged in a hexagonal shape, and mounting shells (4) are installed at both ends of the main rotating shaft (8), and a pair of the mounting shells (4) are symmetrically distributed.

3. The high-speed harvesting drum of a rice-wheat combine harvester according to claim 2, characterized in that: A pair of the mounting shells (4) are both fixedly connected to a fixing block (5) at their bottom ends, and the mounting rod (6) is fixedly mounted between the pair of the fixing blocks (5).

4. The high-speed harvesting drum of a rice-wheat combine harvester according to claim 2, characterized in that: The comb tooth assembly (2) comprises a connecting rod (23), both ends of which are connected to a pair of fixed plates (1) via bolts, and the outer end of the connecting rod (23) is fixedly connected to a baffle (22), and the baffle (22) is arranged in a U shape.

5. The high-speed harvesting drum of a rice-wheat combine harvester according to claim 4, characterized in that: The outer end of the baffle (22) is fixedly connected to a plurality of teeth (21) distributed at equal intervals, and the teeth (21) are arranged in a conical shape. The outer end of the support block (3) is fixedly connected to a connecting rod (23).

6. The high-speed harvesting drum of a rice-wheat combine harvester according to claim 1, characterized in that: The supporting component (7) includes a mounting block (71), the mounting block (71) is fixedly connected to the outer end of the mounting rod (6), the outer end of the mounting block (71) is mounted with a guide block (72) by means of bolts, the outer end of the guide block (72) is provided with a mounting groove, the inner wall of the mounting groove is rotatably connected with a plurality of equally spaced guide wheels (73), and the outer periphery of the guide wheel (73) is provided with anti-slip grooves.

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