Frame structure of micro bending semi-feeding combine harvester based on beam

Abstract

The present invention discloses a frame structure of a micro-bending semi-feeding combine harvester based on a beam, comprising a beam arranged parallel to the longitudinal direction of the combine harvester, wherein the beam is a rectangular tubular structure; a frame height adjustment mechanism connected to a travel gearbox is arranged in the middle of the beam, main support vertical plates are arranged on both sides of the middle of the beam, an engine support plate is arranged at the rear of the beam, and a grass discharge device support plate and a cutter frame column are arranged at the front of the beam; the part above the beam except the engine and the grass discharge device is supported by the main support vertical plate. The present invention uses the beam as the supporting body, and the beam is the installation base of all structures above the travel mechanism, such as the grass support and cutter device, the separation device, the grass discharge device and the engine, which are all supported by the beam, which greatly simplifies the frame structure and makes the frame structure more compact. In addition, the beam is composed of a rectangular steel pipe, which is convenient for drilling holes and attaching the installation structure thereon, and the rectangular steel pipe has high strength and good structural reliability.

Description

Technical Field

[0001] The invention relates to the technical field of miniature combine harvesters, and in particular to a frame structure of a miniature combine harvester. Background Art

[0002] In the prior art, the frame of the mini combine harvester is composed of a large number of plates and steel beam structures, which has the disadvantages of complex structure and large volume. How to optimize the frame structure of the mini combine harvester to make it compact, simple, easy to manufacture, and high in strength is the goal that the frame design of the mini combine harvester constantly pursues. Summary of the invention

[0003] In view of this, the purpose of the present invention is to provide a miniature bending semi-feeding combine harvester frame structure based on a beam to solve the technical problems of the existing miniature combine harvester frame having a complex structure and large volume.

[0004] The present invention discloses a frame structure of a micro-bending semi-feeding combine harvester based on a beam, comprising a beam arranged parallel to the longitudinal direction of the combine harvester, wherein the beam is a rectangular tubular structure; a frame height adjustment mechanism connected to a travel gearbox is arranged in the middle of the beam, main support vertical plates are arranged on both sides of the middle of the beam, an engine support plate is arranged at the rear of the beam, a grass discharge device support plate and a cutter frame column are arranged at the front of the beam; and the portion above the beam except for the engine and the grass discharge device is supported by the main support vertical plates.

[0005] Furthermore, the frame height adjustment mechanism includes a sliding adjustment sleeve vertically connected to the middle of the beam, a worm gear mounting plate arranged at the upper end of the sliding adjustment sleeve, a worm gear and a worm arranged on the worm gear mounting plate, a screw rod vertically arranged in the middle of the worm gear, a height adjustment guide frame vertically connected to the travel gearbox housing and a screw rod connecting plate arranged on the height adjustment guide frame, the sliding adjustment sleeve is sleeved on the outside of the height adjustment guide frame, and the screw rod connecting plate is provided with a threaded hole connected to the screw rod.

[0006] Beneficial effects of the present invention:

[0007] 1. The frame structure of the micro-bending semi-feeding combine harvester based on the beam of the present invention uses the beam as the main support body. The beam is the installation basis of all structures above the walking mechanism, such as the straw support and cutter device, the separation device, the grass discharge device and the engine, which are all supported by the beam, which greatly simplifies the frame structure and makes the frame structure more compact. In addition, the beam is composed of a rectangular steel pipe, which is convenient for drilling holes and attaching the installation structure. At the same time, the rectangular steel pipe has high strength and good structural reliability.

[0008] 2. The frame structure of the micro-bending semi-feeding combine harvester based on the beam of the present invention is provided with a frame height adjustment mechanism connected to the travel gearbox in the middle of the beam, so that the beam and various devices installed thereon can be adjusted up and down as a whole, thereby conveniently adjusting the height of the micro-bending semi-feeding combine harvester to meet the harvesting requirements of rice at different heights. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional structural schematic diagram of the beam part;

[0010] Figure 2 It is a schematic diagram of the three-dimensional structure in which the beam is arranged on the traveling mechanism;

[0011] Figure 3 It is a three-dimensional structural schematic diagram of a part of the height adjustment mechanism being arranged on the travel gearbox of the travel mechanism;

[0012] Figure 4 It is a schematic diagram of the three-dimensional structure of the connection between various parts of the miniature bending and semi-feeding combine harvester and the beam;

[0013] Figure 5 This is a three-dimensional structural schematic diagram from another perspective showing the connection between the various parts of the miniature bending semi-feed combine harvester and the beam. DETAILED DESCRIPTION

[0014] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0015] As shown in the figure, the frame structure of a micro-bending semi-feeding combine harvester based on a beam in this embodiment includes a beam 1 arranged parallel to the longitudinal direction of the combine harvester, and the beam is a rectangular tubular structure; a frame height adjustment mechanism 3 connected to a travel gearbox 2 is provided in the middle of the beam, main support uprights 4 are provided on both sides of the middle of the beam, an engine support plate 5 is provided at the rear of the beam, and a grass discharge device support plate 6 and a cutter frame column 7 are provided at the front of the beam; the portion above the beam except for the engine and the grass discharge device is supported by the main support uprights.

[0016] Specifically, a shell 8 of a threshing device is provided on the main supporting plate, a grain supporting device 9 is connected to the shell of the shell 8 of the threshing device, a cutting knife device 10 is connected to the front part of the beam through a cutting knife frame column 7, and the cutting knife device 10 is also connected to the shell of the grain supporting device 9 through another column, and a main gearbox 11 connected to the engine 12 is provided on the main supporting plate 4.

[0017] In this embodiment, the frame height adjustment mechanism 3 includes a sliding adjustment sleeve 31 vertically connected to the middle of the beam, a worm gear mounting plate 32 arranged at the upper end of the sliding adjustment sleeve, a worm wheel 33 and a worm 34 arranged on the worm gear mounting plate, a screw rod 35 vertically arranged in the middle of the worm wheel, a height adjustment guide frame 36 vertically connected to the travel gearbox housing and a screw rod connecting plate 37 arranged on the height adjustment guide frame. The sliding adjustment sleeve is sleeved outside the height adjustment guide frame, and a threaded hole 38 connected to the screw rod is arranged on the screw rod connecting plate.

[0018] The frame structure of the micro-bending semi-feeding combine harvester based on the beam in this embodiment uses the beam as the main support body. The beam is the installation base of all structures above the walking mechanism, such as the straw support and cutter device, the separation device, the grass discharge device and the engine, which are all supported by the beam, which greatly simplifies the frame structure and makes the frame structure more compact. In addition, the beam is composed of a rectangular steel pipe, which is convenient for drilling holes and attaching the installation structure. At the same time, the rectangular steel pipe has high strength and good structural reliability.

[0019] The present embodiment is based on the frame structure of the micro-bending semi-feeding combine harvester with a beam. A frame height adjustment mechanism connected to a travel gearbox is arranged in the middle of the beam, so that the beam and various devices installed thereon can be adjusted up and down as a whole, thereby conveniently adjusting the height of the micro-bending semi-feeding combine harvester to meet the harvesting requirements of rice at different heights.

[0020] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A frame structure of a miniature bending half-feeding combine harvester based on a beam, characterized in that: The utility model comprises a beam arranged parallel to the longitudinal direction of the whole combine harvester, the beam is a rectangular tubular structure, a frame height adjustment mechanism connected to a travel gearbox is arranged in the middle of the beam, main support uprights are arranged on both sides of the middle of the beam, an engine support plate is arranged at the rear of the beam, and a grass discharge device support plate and a cutting knife frame column are arranged at the front of the beam; the part above the beam except the engine and the grass discharge device is supported by the main support uprights, specifically comprising a shell of a threshing device arranged on the main support uprights, a rice grain supporting device connected to the shell of the threshing device, a cutting knife device connected to the front of the beam through a cutting knife frame column, and the cutting knife device is also connected to the shell of the rice grain supporting device through another column, and a main gearbox connected to the engine is arranged on the main support plate.

2. The frame structure of the miniature bending half-feeding combine harvester based on the beam according to claim 1 is characterized in that: The frame height adjustment mechanism includes a sliding adjustment sleeve vertically connected to the middle of the beam, a worm gear mounting plate arranged at the upper end of the sliding adjustment sleeve, a worm gear and a worm arranged on the worm gear mounting plate, a lead screw vertically arranged in the middle of the worm gear, a height adjustment guide frame vertically connected to the travel gearbox housing and a lead screw connecting plate arranged on the height adjustment guide frame, the sliding adjustment sleeve is sleeved outside the height adjustment guide frame, and a threaded hole connected to the lead screw is arranged on the lead screw connecting plate.

Images