Lightweight header body welding and corn header

Abstract

The utility model provides a light-weight header body welding part and a corn header, and relates to the technical field of agricultural machinery, the light-weight header body welding part comprises a rear wall welding part and a beam bottom; the beam bottom and the rear wall welding part are arranged at an angle, one side of the beam bottom is connected with the bottom of the rear wall welding part, the rear wall welding part comprises an upper cross beam, a lower bent plate and supporting frames, the upper cross beam and the lower bent plate are arranged in parallel, the two ends of each supporting frame are connected with the upper cross beam and the lower bent plate respectively, and the multiple supporting frames are arranged between the upper cross beam and the lower bent plate at intervals. The light-weight header body welding part is divided into the rear wall welding part and the beam bottom, the rear wall welding part is arranged to be supported by the upper cross beam, the lower bent plate and the supporting frame in a spliced mode, the overall strength of the header body welding part is guaranteed, meanwhile, the structure of the header body welding part is simplified, the weight of the header body welding part is reduced, and cost is reduced. The technical problems that in the prior art, a header body welding structure is heavy, the overall load of the corn harvester is large, and the corn harvester is difficult to adapt to a header with a large line number are solved, and the overall efficiency of the corn harvester is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to a lightweight welding combination of a cutting table body and a corn cutting table. Background Art

[0002] A corn harvester is an agricultural machinery used to complete the operation of harvesting corn straw according to agronomic requirements when the corn is mature or nearly mature. The corn cutting table is an important part of the corn harvester, mainly responsible for cutting and conveying corn plants. The cutting table of the corn harvester consists of several groups of ear picking units arranged at the front part thereof and a transverse conveyor located behind the ear picking units for collecting and conveying the ears harvested by the ear picking units. The ear picking units are arranged on the cutting table brackets, and each group of ear picking units is composed of a dividing device, a reel device and an ear picking device arranged on the adjacent side of the adjacent cutting table brackets.

[0003] The welding combination of the cutting table body is an important component for supporting and fixing the ear picking unit, the conveying unit and the supporting unit in the corn cutting table. Generally, an integral long strip-shaped frame body is adopted. Within the allowable power range of the whole machine, the more rows the cutting table harvests, the higher the operation efficiency. However, with the increase in the number of rows, the weight of the welding combination of the cutting table body becomes heavier.

[0004] The existing welding combination structure of the cutting table body is heavy, which causes a large load on the whole corn harvester and is difficult to adapt to a large-row cutting table. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a lightweight welding combination of a cutting table body and a corn cutting table, so as to solve the technical problems in the prior art that the welding combination structure of the cutting table body is heavy, causes a large load on the whole corn harvester, and is difficult to adapt to a large-row cutting table.

[0006] In the first aspect, a lightweight welding combination of a cutting table body provided by the utility model includes a rear wall welding combination and a bottom beam;

[0007] The bottom beam is arranged at an angle with the rear wall welding combination, and one side of the bottom beam is connected to the bottom of the rear wall welding combination;

[0008] The rear wall welding combination includes an upper cross beam, a lower bent plate and a support frame. The upper cross beam is arranged parallel to the lower bent plate. The two ends of the support frame are respectively connected to the upper cross beam and the lower bent plate. A plurality of the support frames are arranged at intervals between the upper cross beam and the lower bent plate along the extending direction of the upper cross beam.

[0009] Further, the rear wall welding combination further includes a lower bottom beam, the lower bottom beam is arranged parallel to the lower bent plate, and the lower bottom beam is connected to the bottom of the support frame.

[0010] Further, the rear wall welding combination further includes a reinforcing plate;

[0011] The reinforcing plate is arranged parallel to the upper cross beam, and is disposed between two adjacent and centered support frames and connected to the support frames.

[0012] Further, the bottom of the beam includes a bottom plate and a front bottom beam;

[0013] The front bottom beam and the lower bent plate are arranged in parallel, and two sides of the bottom plate are respectively connected to the front bottom beam and the lower bent plate.

[0014] Further, the bottom of the beam further includes a reinforcing frame, and a plurality of the reinforcing frames are connected to the bottom of the bottom plate.

[0015] Further, a feeding groove is arranged in the middle of the bottom plate.

[0016] Further, the welded rear wall further includes a reinforcing beam, the reinforcing beam is connected to the bottom of the support frame, the reinforcing beam is arranged in parallel with the lower bent plate, and the reinforcing beam is arranged close to the feeding groove.

[0017] Further, the welded rear wall further includes a reinforcing angle steel, the reinforcing angle steel is arranged between two adjacent support frames and connected to the support frames, and the reinforcing angle steel is arranged at the bottom of the support frames.

[0018] Further, the lightweight cutter bar body weldment further includes side walls, the two side walls are respectively arranged at two ends of the welded rear wall, and the side walls are connected to the welded rear wall and the bottom of the beam.

[0019] In a second aspect, the present invention further provides a corn cutter bar, including the above-mentioned lightweight cutter bar body weldment.

[0020] Compared with the prior art, the lightweight cutter bar body weldment provided by the present invention includes a welded rear wall and a bottom of the beam; the bottom of the beam is arranged at an angle with the welded rear wall, one side of the bottom of the beam is connected to the bottom of the welded rear wall, the welded rear wall includes an upper cross beam, a lower bent plate and support frames, the upper cross beam and the lower bent plate are arranged in parallel, two ends of the support frames are respectively connected to the upper cross beam and the lower bent plate, and a plurality of support frames are arranged at intervals between the upper cross beam and the lower bent plate along the extending direction of the upper cross beam; by separating the lightweight cutter bar body weldment into a welded rear wall and a bottom of the beam, and arranging the welded rear wall to be spliced and supported by an upper cross beam, a lower bent plate and support frames, while ensuring the overall strength of the cutter bar body weldment, the structure of the cutter bar body weldment is simplified, the weight of the cutter bar body weldment is reduced, the technical problems in the prior art that the cutter bar body weldment has a bulky structure, a large load on the whole corn harvester, and it is difficult to adapt to a large-row cutter bar are solved, and the overall efficiency of the corn harvester is improved. Description of the Drawings

[0021] To more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0022] Figure 1 Schematic diagram of the overall structure of the lightweight cutter bar body welding provided by the embodiment of the present utility model;

[0023] Figure 2 Exploded view of the overall structure of the lightweight cutter bar body welding provided by the embodiment of the present utility model.

[0024] Reference numerals:

[0025] 100, rear wall welding;

[0026] 110, upper crossbeam; 120, lower bent plate; 130, support frame; 140, lower bottom beam; 150, reinforcing plate; 160, reinforcing beam; 170, reinforcing angle steel;

[0027] 200, beam bottom; 210, bottom plate; 211, feeding trough; 220, front bottom beam; 230, reinforcing frame;

[0028] 300, side wall. Specific embodiments

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. Usually, the components of the embodiments of the present utility model described and illustrated in the drawings here can be arranged and designed in various different configurations.

[0030] Therefore, the following detailed description of the embodiments of the present utility model provided in the drawings is not intended to limit the scope of the present utility model to be protected, but merely represents the selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0031] It should be noted that: similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0032] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of this application is usually placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present utility model. In addition, terms such as "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0033] In addition, terms such as "horizontal", "vertical", "suspended" do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly inclined. For example, "horizontal" only 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 inclined.

[0034] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it 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 directly connected, or indirectly connected through an intermediate medium, and can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0035] The following will describe in detail some embodiments of the present utility model with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0036] As Figure 1 and Figure 2 shown, an embodiment of the present utility model provides a lightweight cutter bar body weldment, including a rear wall weldment 100 and a beam bottom 200; the beam bottom 200 is arranged at an angle with the rear wall weldment 100, one side of the beam bottom 200 is connected to the bottom of the rear wall weldment 100, the rear wall weldment 100 includes an upper cross beam 110, a lower bent plate 120 and a support frame 130, the upper cross beam 110 and the lower bent plate 120 are arranged in parallel, both ends of the support frame 130 are respectively connected to the upper cross beam 110 and the lower bent plate 120, and a plurality of support frames 130 are arranged at intervals between the upper cross beam 110 and the lower bent plate 120 along the extending direction of the upper cross beam 110.

[0037] That is, a lightweight cutter bar welded body provided by an embodiment of the present utility model divides the lightweight cutter bar body welding into a rear wall welding 100 and a beam bottom 200. The rear wall welding 100 is set to be spliced and supported by an upper cross beam 110, a lower bent plate 120, and a support frame 130. While ensuring the overall strength of the cutter bar body welding, the structure of the cutter bar body welding is simplified, the weight of the cutter bar body welding is reduced, and the technical problems in the prior art that the cutter bar body welding structure is bulky, the load on the whole corn harvester is large, and it is difficult to adapt to a large-row cutter bar are solved, improving the overall efficiency of the corn harvester.

[0038] Specifically, the upper cross beam 110 is specifically made of square tubes, and the lower bent plate 120 is supported by bending a metal plate. The upper cross beam 110 is fixed to the top of the support frame 130 by welding. And a groove for installing the lower bent plate 120 is provided on the support frame 130. The lower bent plate 120 can be connected to the support frame 130 by bolts or by welding. The beam bottom 200 is integrally long strip-shaped, and its cross section is set to be arc-shaped. The beam bottom 200 and the rear wall welding 100 are set at an angle of 100°, and one end of it is connected to the rear wall welding 100 by welding or bolt connection.

[0039] Further, the rear wall welding 100 further includes a lower bottom beam 140. The lower bottom beam 140 is arranged in parallel with the lower bent plate 120, and the lower bottom beam 140 is connected to the bottom of the support frame 130.

[0040] Specifically, the lower beam bottom 200 is specifically made of round steel pipes. A semi-circular groove is provided on the support frame 130. The lower bottom beam 140 and the lower bent plate 120 are arranged in parallel in the circular groove and are connected to the support frame 130 by welding. Thus, by setting the lower beam bottom 200, the strength of the rear wall welding 100 can be further improved.

[0041] Further, the beam bottom 200 includes a bottom plate 210 and a front bottom beam 220; the front bottom beam 220 is arranged in parallel with the lower bent plate 120, and both sides of the bottom plate 210 are respectively connected to the front bottom beam 220 and the lower bent plate 120.

[0042] Specifically, the bottom plate 210 is made by bending a metal material by sheet metal, and is integrally long strip-shaped, and its cross section is set to be arc-shaped. The front bottom beam 220 is set as a rectangular tube and is welded to one side of the bottom plate 210 along the extending direction of the bottom plate 210. And the other side of the bottom plate 210 is fixed to the lower bent plate 120 by bolt connection or by welding. By setting the front bottom beam 220, the strength of the beam bottom 200 can be enhanced, and by making the bottom plate 210 by sheet metal bending, both the strength of the cutter bar body welding is ensured and the lightweight of the cutter bar body is realized.

[0043] Preferably, a feeding groove 211 is provided in the middle of the bottom plate 210.

[0044] Specifically, the feeding chute 211 is arranged in the middle of the bottom plate 210 and is square in shape, so that the overall bottom plate 210 is in a "concave" shape. When the bottom plate 210 is jointly connected with the rear wall welding 100 and the front beam bottom 200, a feeding port will be formed in the welding of the cutting table body, so as to allow the harvested straw or corn to pass through.

[0045] Preferably, the beam bottom 200 further includes a reinforcing frame 230, and a plurality of reinforcing frames 230 are connected to the bottom of the bottom plate 210.

[0046] Specifically, the reinforcing frame 230 is supported by two arc-shaped steel plates and is fixed to the bottom of the bottom plate 210 by welding. Through the reinforcing frame 230, the strength of the bottom plate 210 can be further ensured, and the relatively thin bottom plate 210 can be prevented from deforming or being damaged under stress.

[0047] Preferably, the rear wall welding 100 further includes a reinforcing plate 150; the reinforcing plate 150 is arranged parallel to the upper cross beam 110, the reinforcing plate 150 is arranged between two adjacent and centered support frames 130, and is connected to the support frames 130.

[0048] Specifically, the reinforcing plate 150 is made of metal sheet metal and is in the shape of a long strip plate as a whole. Its two ends are respectively connected to two adjacent and centered support frames 130, and the connection method can be set as welding or bolt connection. A plurality of mounting holes are arranged on the reinforcing plate 150, so as to facilitate the connection of other components of the cutting table to the welding of the cutting table body. At the same time, through the reinforcing plate 150, support can be provided for the two centered support frames 130, and the strength of the rear wall welding 100 can be further improved.

[0049] Furthermore, the rear wall welding 100 further includes a reinforcing beam 160, the reinforcing beam 160 is connected to the bottom of the support frame 130, the reinforcing beam 160 is arranged parallel to the lower bent plate 120, and the reinforcing beam 160 is arranged close to the feeding chute 211.

[0050] Specifically, the reinforcing beam 160 is set as a metal rod and is arranged at the bottom of the support frame 130 by welding. The reinforcing beam 160 is arranged corresponding to the feeding chute 211, and can be welded or bolt-connected to the bottom plate 210 on both sides of the feeding chute 211, so as to support the bottom plate 210 and improve the strength of the beam bottom 200.

[0051] Furthermore, the rear wall welding 100 further includes a reinforcing angle steel 170, the reinforcing angle steel 170 is arranged between two adjacent support frames 130 and is connected to the support frames 130, and the reinforcing angle steel 170 is arranged at the bottom of the support frames 130.

[0052] Specifically, the reinforcing angle steel 170 is made of angle steel material and is welded between two adjacent support frames 130. By arranging the reinforcing angle steel 170, the strength of the rear wall welding 100 can be further improved.

[0053] Further, the lightweight cutter bar body welding assembly further includes side walls 300. The two side walls 300 are respectively arranged at both ends of the rear wall welding assembly 100, and the side walls 300 are connected to the rear wall welding assembly 100 and the beam bottom 200.

[0054] Specifically, the two side walls 300 are arranged on both sides of the rear wall welding assembly 100 and the beam bottom 200. They are made of metal plate parts and are connected to the rear wall welding assembly 100 and the beam bottom 200 by means of bolt connection or welding.

[0055] The present utility model also provides a corn cutter bar, which includes the above-mentioned lightweight cutter bar body welding assembly, and thus has all the technical features of the above-mentioned lightweight cutter bar body welding assembly, and further can achieve all the technical effects of the above-mentioned lightweight cutter bar body welding assembly. The details are not described again in this embodiment.

[0056] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model, rather than to limit them; although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A lightweight header body welding, characterized in that: It includes a rear wall weld (100) and a beam bottom (200); The beam bottom (200) and the rear wall weld (100) are arranged at an angle, and one side of the beam bottom (200) is connected to the bottom of the rear wall weld (100). The rear wall welding (100) comprises an upper crossbeam (110), a lower curved plate (120) and a support frame (130); the upper crossbeam (110) and the lower curved plate (120) are arranged in parallel; two ends of the support frame (130) are respectively connected to the upper crossbeam (110) and the lower curved plate (120); a plurality of support frames (130) are arranged between the upper crossbeam (110) and the lower curved plate (120) at intervals along the extension direction of the upper crossbeam (110).

2. The lightweight header body welding according to claim 1, characterized in that: The rear wall welding (100) further comprises a lower bottom beam (140), wherein the lower bottom beam (140) is arranged in parallel with the lower curved plate (120), and the lower bottom beam (140) is connected to the bottom of the support frame (130).

3. The lightweight header body welding according to claim 2, characterized in that: The rear wall welding (100) further includes a reinforcing plate (150); The reinforcing plate (150) is arranged parallel to the upper crossbeam (110), and the reinforcing plate (150) is arranged between two centrally adjacent supporting frames (130) and is connected to the supporting frames (130).

4. The lightweight header body welding according to claim 2, characterized in that: The beam bottom (200) comprises a bottom plate (210) and a front bottom beam (220); The front bottom beam (220) and the lower curved plate (120) are arranged in parallel, and two sides of the bottom plate (210) are respectively connected to the front bottom beam (220) and the lower curved plate (120).

5. The lightweight header body welding according to claim 4, characterized in that: The beam bottom (200) further comprises a reinforcement frame (230), and a plurality of the reinforcement frames (230) are connected to the bottom of the base plate (210).

6. The lightweight header body welding according to claim 4, characterized in that: A feeding trough (211) is provided in the middle of the bottom plate (210).

7. The lightweight header body welding according to claim 6, characterized in that: The rear wall welding (100) further comprises a reinforcing beam (160), wherein the reinforcing beam (160) is connected to the bottom of the support frame (130), the reinforcing beam (160) is arranged parallel to the lower curved plate (120), and the reinforcing beam (160) is arranged close to the feeding trough (211).

8. The lightweight header body welding according to any one of claims 1 to 7, characterized in that: The rear wall welding (100) further comprises a reinforcing angle steel (170), wherein the reinforcing angle steel (170) is arranged between two adjacent support frames (130) and connected to the support frames (130), and the reinforcing angle steel (170) is arranged at the bottom of the support frames (130).

9. The lightweight header body welding according to any one of claims 1 to 7, characterized in that: The lightweight header body weld also includes side walls (300), and the two side walls (300) are respectively arranged at the two ends of the rear wall weld (100), and the side walls (300) are connected to the rear wall weld (100) and the beam bottom (200).

10. A corn cutting platform, characterized in that: The lightweight header body welding method comprises the welding of any one of claims 1 to 9.

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