Header frame and harvester

By designing a detachable left and right support rod connection method, the problem of high replacement cost caused by deformation of the cutting table frame is solved, realizing low-cost repair and efficient maintenance of the cutting table frame.

CN223730313UActive Publication Date: 2025-12-30LOVOL HEAVY IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520175152.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-26
Publication Date
2025-12-30
Estimated Expiration
2035-01-26

AI Technical Summary

Technical Problem

The header frame of existing semi-feed combine harvesters has left and right support rods welded together, which makes it impossible to repair individually after deformation, increasing the cost of replacing the header frame and downtime.

Method used

Design a cutting table frame, in which the left and right support rods are detachably connected to the left and right ends of the cutting table frame body. The detachable connection is achieved by connecting bolts, which supports the individual replacement of damaged or repaired support rods.

Benefits of technology

It reduces user operating costs, simplifies the maintenance process, reduces downtime, and improves the flexibility and adaptability of the cutting table.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223730313U_ABST
    Figure CN223730313U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of header frames, in particular to a header frame and a harvester, which comprise a header frame body, a left support rod and a right support rod, and the left support rod and the right support rod are detachably connected to the left end and the right end of the header frame body respectively; the left supporting rod and the right supporting rod are connected to the left end and the right end of the header frame body through connecting bolts respectively, and the header frame is a header frame of a semi-feeding combine harvester. The header frame can be used as the header frame of the semi-feeding combine harvester, the left supporting rod, the right supporting rod and the header frame body are detachable, the left supporting rod, the right supporting rod and the header frame body can be conveniently and independently replaced when repair or damage is needed, the whole header frame does not need to be replaced, and then the use cost of a user can be greatly reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of header frames, and more specifically, to a header frame and a harvester. Background Technology

[0002] Currently, the header frames of semi-feed combine harvesters on the market are all welded one-piece frames, with the left and right support rods welded to the header frame body and unable to be separated. In actual field operations, due to varying working conditions, the support rods on both sides often become deformed from impacts, affecting normal use. If the deformation is severe and cannot be corrected or repaired, the header frame must be replaced. However, brand new header frames are expensive and require a long replacement time, significantly increasing the user's operating costs. Utility Model Content

[0003] The purpose of this utility model is to provide a header frame that can be used as a header frame for a semi-feeding combine harvester. The left and right support rods are detachable from the header frame body, making it easy to replace them individually when repair or damage is needed, without having to replace the entire header frame, thereby greatly reducing the user's operating costs.

[0004] Another objective of this invention is to provide a harvester in which the support rod and right support rod of the header frame are detachable from the header frame body, making it easy to replace them individually when repair or damage is required, without having to replace the entire header frame, thereby greatly reducing the user's operating costs.

[0005] The technical solution of this utility model is implemented as follows:

[0006] A cutting table frame includes a cutting table frame body, a left support rod, and a right support rod, wherein the left support rod and the right support rod are detachably connected to the left and right ends of the cutting table frame body, respectively.

[0007] Furthermore, the left support rod and the right support rod are respectively connected to the left and right ends of the header frame by connecting bolts, and the header frame is the header frame of a semi-feeding combine harvester.

[0008] Furthermore, the header frame includes a main support rod, multiple supporting rods for supporting the grain, multiple inner dividing rods, a left support rod connecting plate, and a right support rod connecting plate. The main support rod is provided with multiple supporting rods for supporting the grain and multiple inner dividing rods. The left support rod connecting plate and the right support rod connecting plate are respectively provided at both ends of the main support rod. The left support rod is connected to the left support rod connecting plate, and the right support rod is connected to the right support rod by bolts.

[0009] Furthermore, the main support rod is made of 50*50 square tubing, and two connecting seats are respectively provided at both ends of the main support rod. The connecting seats are used to install crank arm mounting seats.

[0010] Furthermore, one end of the main support rod is also provided with a set of cutter mounting bushings, which serve as a rotary shaft for adjusting the installation position of the cutter.

[0011] Furthermore, the supporting rod of the rice-raising frame includes a first dividing rod, a first bracket and a rice-raising frame connecting plate, the rear end of the first dividing rod is connected and fixed to the main support rod, and the inner hole at the front end of the first dividing rod is used to install a dividing device;

[0012] The supporting frame connecting plate is installed on the first dividing bar via a bracket. Two positioning pins are provided on the supporting frame connecting plate for positioning the lower end of the supporting frame and the cutter frame.

[0013] Furthermore, the connecting plate of the rice-supporting frame forms an inclination angle of 68° to 72° with the rice-dividing rod.

[0014] Furthermore, the inner dividing bar includes a second dividing bar and a grass dividing frame mounting base. The rear end of the second dividing bar is connected and fixed to the main support rod, and the inner hole at the front end of the second dividing bar is used to install the grass divider. The grass dividing frame mounting base is provided on the inner dividing bar.

[0015] Furthermore, the left support rod includes a third dividing straw, a first front connecting groove plate, a second bracket, a first intermediate connecting plate, a first cutter body connecting plate, a first cutter fixing plate, a side dividing straw front connecting plate, and a first side reinforcing plate;

[0016] The front end of the third grass stalk is provided with a second bracket, and the first front connecting groove plate and the front connecting plate of the side grass stalk are respectively provided on the second bracket;

[0017] The third stalk is provided with the first side reinforcing plate, the first side reinforcing plate is provided with the first header body connecting plate and the first cutter fixing plate, and the first cutter fixing plate is provided with multiple sets of cutter connection holes;

[0018] The right support rod includes a fourth divider bar, and a second front connecting groove plate, a second intermediate connecting plate, a second header body connecting plate, a second cutter fixing plate, a second side reinforcing plate, a long connecting block, and a side plate lower seat rod disposed on the fourth divider bar. The long connecting block is used to install the adjustable divider and has multiple connecting holes.

[0019] A harvester, including the aforementioned header frame.

[0020] Compared with the prior art, the beneficial effects of this utility model are:

[0021] The header frame provided in this application is a header frame for a semi-feeding combine harvester. The left and right support rods are detachably connected to the left and right ends of the header frame body, respectively. When they need to be repaired or damaged, they can be replaced individually without replacing the entire header frame, thereby greatly reducing the user's operating costs. Attached Figure Description

[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is an exploded structural diagram of the left and right support rods and the cutting table frame of this utility model;

[0024] Figure 2 This is a schematic diagram of the structure of the cutting table frame of this utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the support rod for the rice-raising frame of this utility model;

[0026] Figure 4 This is an isometric view of the left support rod of this utility model;

[0027] Figure 5 This is a front view of the left support rod of this utility model;

[0028] Figure 6 This is an isometric view of the right support rod of this utility model;

[0029] Figure 7 This is a front view of the right support rod of this utility model.

[0030] In the picture:

[0031] 1-Cutter frame; 101-Main support rod; 1011-Connecting seat; 1012-Cutter mounting sleeve;

[0032] 102-Stalk support rod; 1021-First dividing rod; 1022-Stalk connecting plate; 1023-Positioning pin; 1024-First bracket;

[0033] 103 - Inner straw; 1031 - Second straw; 1032 - Straw divider mounting base;

[0034] 104-Left support rod connecting plate; 1041-Left long strip connecting plate; 1042-Left load-bearing frame connecting plate;

[0035] 105-Right support rod connecting plate; 1051-Right long strip connecting plate; 1052-Right rice frame connecting plate;

[0036] 2-Left support rod; 201-Third dividing rod; 202-First front connecting groove plate; 203-First intermediate connecting plate; 204-First cutter body connecting plate; 205-First cutter fixing plate; 206-Side dividing rod front connecting plate; 207-First side reinforcing plate; 208-Second bracket.

[0037] 3-Right support rod; 301-Fourth dividing rod; 302-Second front connecting groove plate; 303-Second intermediate connecting plate; 304-Second header body connecting plate; 305-Second cutter fixing plate; 306-Second side reinforcing plate; 307-Long connecting block; 308-Side plate lower seat rod;

[0038] 4-Connecting bolt; 5-Cutter connection hole. Detailed Implementation

[0039] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0040] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0041] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0042] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0043] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0044] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0045] The following detailed description, in conjunction with the accompanying drawings, outlines some embodiments of the present invention. Unless otherwise specified, the following embodiments and features can be combined with each other.

[0046] Example 1

[0047] Reference Figures 1-7 This embodiment provides a header frame, which is a header frame for a semi-feeding combine harvester. It includes a header frame body 1, a left support rod 2 and a right support rod 3. The left support rod 2 and the right support rod 3 are detachably connected to the left and right ends of the header frame body 1, respectively.

[0048] Preferably, the left support rod 2 and the right support rod 3 are connected to the left and right ends of the cutting table frame 1 by connecting bolts 4, and the left support rod 2 and the right support rod 3 have the same structure.

[0049] like Figure 2As shown, the header frame 1 includes a main support rod 101, multiple supporting rods 102, multiple inner dividing rods 103, a left support rod connecting plate 104, and a right support rod connecting plate 105. Multiple supporting rods 102 and multiple inner dividing rods 103 are installed on the main support rod 101. The left support rod connecting plate 104 and the right support rod connecting plate 105 are respectively installed at both ends of the main support rod 101. The left support rod 2 is connected to the left support rod connecting plate 104, and the right support rod 3 is connected to the right support rod 3 by bolts.

[0050] Preferably, the main support rod 101 is made of a 50*50 square tube, and two connecting seats 1011 are symmetrically arranged at the left and right ends of the main support rod 101. The connecting seats 1011 are arranged on the upper surface of the main support rod 101, and the two connecting seats 1011 are inclined for installing the crank arm mounting seat.

[0051] One end of the main support rod 101 is also provided with a set of cutter mounting bushings 1012, which serve as a rotary shaft for adjusting the installation position of the cutter.

[0052] The supporting rod 102 of the rice-raising frame includes a first dividing rod 1021, a first bracket 1024 and a rice-raising frame connecting plate 1022. The rear end of the first dividing rod 1021 is connected and fixed to the main support rod 101, and the inner hole at the front end of the first dividing rod 1021 is used to install the dividing device.

[0053] The first stalk, 1021, is made by bending a cold-drawn steel pipe with an outer diameter of Φ34.

[0054] The supporting frame connecting plate 1022 is installed on the first dividing stalk 1021 via the first bracket 1024, and the supporting frame connecting plate 1022 forms an inclination angle of 68° to 72° with the dividing stalk (e.g., Figure 3 Two cylindrical positioning pins 1023 are provided on the supporting frame connecting plate 1022 for positioning the lower end of the supporting frame and the cutting table frame, and are fixed with bolts at the same time. The supporting frame can be flipped up by unscrewing the fixing bolts.

[0055] The inner dividing stalk 103 includes a second dividing stalk 1031 and a grass dividing frame mounting base 1032. The rear end of the second dividing stalk 1031 is connected and fixed to the main support rod 101. The inner hole at the front end of the second dividing stalk 1031 is used to install the grass divider. The grass dividing frame mounting base 1032 is provided on the inner dividing stalk 103 for installing the grass dividing frame.

[0056] The main body of the left support rod connecting plate 104 is a left long strip connecting plate 1041. The left long strip connecting plate 1041 is bent and flanged to improve rigidity. The left long strip connecting plate 1041 has mounting holes for connecting the left support rod 2. The left long strip connecting plate 1041 has a left supporting frame connecting plate 1042 at the front end. The left supporting frame connecting plate 1042 is parallel to the supporting frame connecting plate 1022. The left supporting frame and the left supporting frame connecting plate 1042 are connected and fixed with bolts. The main body of the right support rod connecting plate 105 is a right long strip connecting plate 1051. The right long strip connecting plate 1051 is bent and flanged to improve rigidity. The right long strip connecting plate 1051 has mounting holes for connecting the right support rod 3. The front end of the right long strip connecting plate 1051 is provided with a right supporting frame connecting plate 1052. The right supporting frame connecting plate 1052 is parallel to the supporting frame connecting plate 1022. The right supporting frame and the right supporting frame connecting plate 1052 are connected and fixed with bolts.

[0057] The left support rod 2 includes a third dividing rod 201, a first front connecting groove plate 202, a second bracket 208, a first intermediate connecting plate 203, a first cutter body connecting plate 204, a first cutter fixing plate 205, a side dividing rod front connecting plate 206, and a first side reinforcing plate 207.

[0058] The top front end of the third straw 201 is provided with a second bracket 208, and the first front connecting groove plate 202 and the side straw front connecting plate 206 are respectively provided on the second bracket 208.

[0059] The third stalk 201 has a first side reinforcing plate 207 on its side. The first side reinforcing plate 207 has a first header body connecting plate 204 and a first cutter fixing plate 205. The first cutter fixing plate 205 has multiple sets of cutter connection holes 5. The third stalk 201, the first front connecting groove plate 202, the second bracket 208, the first intermediate connecting plate 203, the first header body connecting plate 204, the first cutter fixing plate 205, the side stalk front connecting plate 206, and the side reinforcing plate are connected and fixed to each other by welding. The inner hole at the front end of the third stalk 201 is used to install the divider. The first cutter fixing plate 205 of the left support rod 2 has multiple sets of cutter connection holes 5 along the vertical direction. The harvesting performance for lodging and close-to-the-ground harvesting can be improved by changing the connection position of the cutter in any set of cutter connection holes. Preferably, the first cutter fixing plate 205 of the left support rod 2 has two sets of cutter connection holes 5 along the vertical direction, such as... Figure 4 and Figure 5 As shown.

[0060] like Figure 6 and Figure 7As shown, the right support rod 3 includes a fourth dividing rod 301, and a second front connecting groove plate 302, a second intermediate connecting plate 303, a second header body connecting plate 304, a second cutter fixing plate 305, a second side reinforcing plate 306, a long connecting block 307, and a side plate lower seat rod 308 disposed on the fourth dividing rod 301. The long connecting block 307 is used to install an adjustable divider, and multiple connecting holes are provided on the long connecting block 307. The inner hole at the front end of the fourth dividing rod 301 is used to install the divider; the second cutter fixing plate 305 of the right support rod 3 has multiple sets of cutter connecting holes 5 along the vertical direction, which can improve the harvesting performance of lodging and close-to-the-ground harvesting by changing the connection position of the cutter in any set of cutter connecting holes. Preferably, the cutter fixing plate of the right support rod 3 has two sets of cutter connecting holes 5 along the vertical direction, such as... Figure 7 As shown. The long connecting block 307 of the right support rod 3 is used to install the adjustable divider, and it has three connecting holes. The width of the right side can be increased or decreased by changing the position of the divider connecting holes.

[0061] This solution has the following main advantages:

[0062] 1. Reduce costs: When damaged, only the left support rod 2 or the right support rod 3 needs to be replaced, reducing the cost of replacing the entire rod.

[0063] 2. Improved efficiency: Maintenance is simpler and faster, reducing downtime.

[0064] 3. Enhanced flexibility: The number of supporting rods 102 and inner dividing rods 103 can be configured according to different crop rows to adapt to more scenarios.

[0065] Example 2

[0066] A harvester, including the aforementioned header frame.

[0067] The cutting table frame is an assembled structure. The left support rod 2 and the right support rod 3 are bolted to the cutting table frame 1 and can be replaced individually.

[0068] 2. The header frame 1 consists of a main support rod 101, multiple supporting rods 102, multiple inner dividing rods 103, a left support rod connecting plate 104, and a right support rod connecting plate 105. The number of supporting rods 102 and inner dividing rods 103 varies depending on the number of rows.

[0069] The main body of the 3-rice-raising frame support rod 102 is the first dividing rod 1021, which is formed by bending a cold-drawn steel pipe with an outer diameter of Φ34. The inner hole at the front of the first dividing rod 1021 is used to install the divider. The rice-raising frame support rod 102 is provided with a rice-raising frame connecting plate 1022. The rice-raising frame connecting plate 1022 is inclined at an angle of 68° to 72° with the first dividing rod 1021. Two positioning pins 1023 on the rice-raising frame connecting plate 1022 are used for positioning the lower end of the rice-raising frame and the cutter frame, and are fixed with bolts. The rice-raising frame can be flipped up by unscrewing the fixing bolts.

[0070] The four applications cover header frames for 4-7 row semi-feed combine harvesters.

[0071] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

[0072] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A header characterized by, The left support rod (2) and the right support rod (3) are respectively connected to the left and right ends of the header frame body (1) through connecting bolts (4), and the header frame is a header frame of a half-feeding combine harvester.

2. The header according to claim 1, characterized in that The header frame body (1) comprises a main support rod (101), a plurality of straw support rods (102), a plurality of inner straw rods (103), a left support rod connecting plate (104) and a right support rod connecting plate (105), a plurality of the straw support rods (102) and a plurality of the inner straw rods (103) are arranged on the main support rod (101), and the left support rod connecting plate (104) and the right support rod connecting plate (105) are arranged at the two ends of the main support rod (101) respectively, and the left support rod (2) and the left support rod connecting plate (104) and the right support rod (3) and the right support rod connecting plate (3) are connected through bolts respectively.

3. The header according to claim 1, characterized in that, The main support rod (101) adopts a square tube with a size of 50*50, and two connecting seats (1011) are further arranged at the two ends of the main support rod (101) respectively, and the connecting seats (1011) are used for installing crank arm mounting seats.

4. The header according to claim 3, characterized in that, One end of the main support rod (101) is further provided with a group of cutter mounting shaft sleeves (1012), and the cutter mounting shaft sleeves (1012) serve as rotary shafts for adjusting and mounting positions of cutters.

5. The header according to claim 3, wherein, The straw support rod (102) comprises a first straw rod (1021), a first support (1024) and a straw support connecting plate (1022), the rear end of the first straw rod (1021) is connected and fixed with the main support rod (101), and the front end inner hole of the first straw rod (1021) is used for installing a straw divider; 6. The header according to claim 3, wherein, The straw support connecting plate (1022) is mounted on the first straw rod (1021) through a support, and two positioning pins (1023) are arranged on the straw support connecting plate (1022) and used for positioning the straw support and the lower end of the header frame. The straw support connecting plate (1022) and the straw rod form an inclination angle of 68°-72°.

7. The header according to claim 6, characterized in that The inner straw rod (103) comprises a second straw rod (1031) and a grass support mounting seat (1032), the rear end of the second straw rod (1031) is connected and fixed with the main support rod (101), the front end inner hole of the second straw rod (1031) is used for installing a straw divider, and the grass support mounting seat (1032) is arranged on the inner straw rod (103).

8. The header according to claim 3, wherein, The left support rod (2) comprises a third straw rod (201), a first front connecting groove plate (202), a second support (208), a first intermediate connecting plate (203), a first header body connecting plate (204), a first cutter fixing plate (205), a side grass rod front connecting plate (206) and a first side reinforcing plate (207).

9. The header according to claim 1, wherein, ​ The front end top of the third divider (201) is provided with a second support (208), and the first front connecting groove plate (202) and the side divider front connecting plate (206) are arranged on the second support (208) respectively; The side of the third divider (201) is provided with the first side reinforcing plate (207), the first side reinforcing plate (207) is provided with the first cutter body connecting plate (204) and the first cutter fixing plate (205), and a plurality of cutter connecting hole positions (5) are arranged on the first cutter fixing plate (205); The right supporting rod (3) comprises a fourth divider (301), a second front connecting groove plate (302), a second intermediate connecting plate (303), a second cutter body connecting plate (304), a second cutter fixing plate (305), a second side reinforcing plate (306), a long connecting block (307) and a side plate lower seat rod (308) arranged on the fourth divider (301), the long connecting block (307) is used for mounting an adjustable divider, and a plurality of connecting holes are arranged on the long connecting block (307).

10. A harvester characterized by The header frame comprises the header frame according to any one of claims 1-9.