Grain pulling device of combine harvester

Abstract

The utility model relates to a grain pulling device of a combine harvester. The grain pulling device comprises two side plates, two rotating shafts are arranged between the two side plates, rotating shaft sleeves are fixedly installed outside the two ends of each rotating shaft, a plurality of supporting rods are fixedly installed outside the rotating shaft sleeves, and transverse rods are fixedly installed among the supporting rods. According to the grain pulling device of the combine harvester, the transmission adjusting mechanism is arranged, two sets of rotating shafts are arranged before harvesting, when a driving motor drives one rotating shaft to rotate, the two rotating shafts can be driven to rotate at the same time under the cooperation of a first belt wheel, a second belt wheel, a belt and an adjusting rod, and grain is collected and pre-pulled through a grain pulling rod on the front side; the grain pulling rod on the rear side conveys all grains below the grain pulling rod on the front side to a subsequent harvester, the grain pulling efficiency is improved, meanwhile, the height of the rotating shaft on the front side can be adjusted through the hydraulic cylinder to adapt to the growth height of the grains, and therefore more comprehensive harvesting is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of harvester, concretely is a kind of combined harvester's weeding device. BACKGROUND

[0002] Harvester is the mechanical integration of harvesting crops, one-time completion of harvesting, threshing, and grain is concentrated to storage bin, then in through the conveyer belt grain is transported to transport car;It can also be harvested by hand, and the straw of rice, wheat and other crops is laid in the field, and then the grain harvesting machinery is used to pick up and thresh, to harvest rice, wheat and other grain crops and straw crop harvesting machinery;Including harvester, cutting and drying machine, cutting and bundling machine, grain combine harvester and grain threshing machine etc.;Grain harvesting machinery is developed on the basis of various harvesting and threshing tools.

[0003] The existing weeding device is usually provided with only one group of weeding rollers, which cannot fully move the corn straw during use, so that part of the grain cannot enter the harvesting device for harvesting, affecting the harvesting efficiency of the harvester, and therefore a weeding device for combined harvester is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a weeding device for combined harvester, which has the advantages of two groups of weeding devices that can simultaneously process grain, and is convenient to adjust the height of one group of weeding devices, solves the problem of small harvesting quantity of one group of weeding devices.

[0006] (II) Technical scheme

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a weeding device for combined harvester, comprising two side plates, two shafts are arranged between the two side plates, shaft sleeves are fixedly installed on the outer ends of the shafts, a plurality of supporting rods are fixedly installed on the outer sides of the shaft sleeves, a horizontal rod is fixedly installed between the supporting rods, a weeding rod is installed on the outer side of the horizontal rod, and a transmission adjusting mechanism is arranged between the two shafts.

[0008] The transmission adjusting mechanism comprises a driving motor, the outer side of one of the side plates is fixedly provided with the driving motor, the outer side of one of the side plates is fixedly provided with an electric telescopic rod, the free end of the electric telescopic rod is fixedly provided with a mounting seat, the mounting seat is rotationally connected with an adjusting rod, the outer side of the rotating shaft is fixedly provided with a first belt pulley, the outer side of the adjusting rod is fixedly provided with a second belt pulley, the first belt pulley and the second belt pulley are transmissionally connected with a belt, the outer wall of the side plate is provided with a sliding hole, the sliding hole is slidingly connected with a sliding block, and the opposite side walls of the two side plates are fixedly provided with hydraulic cylinders and connecting plates.

[0009] Further, the left and right ends of the front rotating shaft penetrate the side plate through the sliding hole and are rotationally connected with the connecting plate.

[0010] Further, the left and right ends of the rear rotating shaft are rotationally connected with the two side plates, one side of the rear rotating shaft is fixedly connected with the output shaft of the driving motor, and the end of the rear rotating shaft away from the driving motor penetrates the side plate and extends to the outside of the side plate.

[0011] Further, the two rotating shafts are arranged in a triangular shape with the adjusting rod, and the two rotating shafts are arranged in a front-rear direction.

[0012] Further, the number of the weeding rods exceeds ten, and the end of the weeding rod away from the horizontal rod is arranged in a curved shape.

[0013] Further, the number of the horizontal rods exceeds five.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0016] The weeding device of the combine harvester is provided with two groups of rotating shafts before harvesting through the transmission adjusting mechanism, when one rotating shaft is driven to rotate by the driving motor, the two rotating shafts can be simultaneously driven to rotate through the cooperation of the first belt pulley, the second belt pulley, the belt and the adjusting rod, the weeding rods on the front side collect and pre-weed the grains, and the weeding rods on the rear side transport all the grains below the weeding rods on the front side to the subsequent combine harvester, thereby improving the weeding efficiency of the grains, the height of the rotating shaft on the front side can be adjusted through the hydraulic cylinder, so as to adapt to the growth height of the grains, thereby more comprehensively harvesting the grains, and the tension of the belt can be adjusted through the control of the electric telescopic rod during adjustment, so as to adapt to the height of the rotating shaft on the front side. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic view of the present application;

[0018] Figure 2 For the utility model Figure 1 The structure of A in the middle is enlarged view;

[0019] Figure 3 For the utility model local structure overhead view sectional view;

[0020] Figure 4 For the utility model local structure side view sectional view.

[0021] In the figure: 1 side plate, 2 rotating shaft, 3 rotating shaft sleeve, 4 support rod, 5 cross bar, 6 weeding rod, 7 transmission adjusting mechanism, 701 drive motor, 702 electric telescopic rod, 703 mounting seat, 704 adjusting rod, 705 first belt pulley, 706 second belt pulley, 707 belt, 708 sliding hole, 709 sliding block, 710 hydraulic cylinder, 711 connecting plate. Specific implementation

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-4 The weeding device of the combine harvester in the embodiment comprises two side plates 1, two rotating shafts 2 are arranged between the two side plates 1, rotating shaft sleeves 3 are fixedly installed at the outer portions of the two ends of the rotating shafts 2, a plurality of support rods 4 are fixedly installed at the outer portions of the rotating shaft sleeves 3, a cross bar 5 is fixedly installed between the plurality of support rods 4, a weeding rod 6 is installed at the outer portion of the cross bar 5, a transmission adjusting mechanism 7 is arranged between the two rotating shafts 2, and the rotating shafts 2, the support rods 4, the cross bar 5 and the weeding rod 6 can be combined into a weeding assembly.

[0024] Specifically, the transmission adjusting mechanism 7 comprises a drive motor 701, the outer portion of the one side plate 1 is fixedly provided with the drive motor 701, the outer portion of the one side plate 1 is fixedly provided with an electric telescopic rod 702, the free end of the electric telescopic rod 702 is fixedly provided with a mounting seat 703, the mounting seat 703 is rotatably connected with an adjusting rod 704, the outer portion of the rotating shaft 2 is fixedly provided with a first belt pulley 705, the outer portion of the adjusting rod 704 is fixedly provided with a second belt pulley 706, the first belt pulley 705 and the second belt pulley 706 are drivingly connected with a belt 707, the outer wall of the side plate 1 is provided with a sliding hole 708, the sliding hole 708 is slidingly connected with a sliding block 709, the opposite side walls of the two side plates 1 are both fixedly provided with a hydraulic cylinder 710, the opposite side walls of the two sliding blocks 709 are both fixedly provided with a connecting plate 711, by arranging the transmission adjusting mechanism 7, two rotating shafts 2 are arranged before harvesting, when the drive motor 701 drives one rotating shaft 2 to rotate, the first belt pulley 705, the second belt pulley 706, the belt 707 and the adjusting rod 704 can drive two rotating shafts 2 to rotate at the same time, the front side of the weeding rod 6 collects and pre-pulls the grains, the rear side of the weeding rod 6 completely transports the grains below the front side of the weeding rod 6 to the subsequent harvester, improves the weeding efficiency of the grains, and the height of the front side of the rotating shaft 2 can be adjusted by the hydraulic cylinder 710, so that the height of the front side of the rotating shaft 2 is adapted to the growth height of the grains, so that the grains are more comprehensively harvested, and the tension of the belt 707 can be adjusted by controlling the electric telescopic rod 702 during adjustment, so that the height of the front side of the rotating shaft 2 is adapted to the height of the front side of the rotating shaft 2, thereby solving the problem that the existing weeding device is usually provided with only one group of weeding rollers, and the weeding efficiency of the grains is affected.

[0025] The two rotating shafts 2 and the adjusting rod 704 are triangularly arranged, the two rotating shafts 2 are arranged in front and back, the front side of the weeding rod 6 collects and pre-pulls the grains, and the rear side of the weeding rod 6 completely transports the grains below the front side of the weeding rod 6 to the subsequent harvester, thereby improving the weeding efficiency of the grains.

[0026] Specifically, the number of weeding rods 6 is more than ten, and the end of the weeding rod 6 away from the horizontal rod 5 is curvedly arranged, so that the weeding rod 6 is conveniently curvedly arranged to more comprehensively pull up the grains.

[0027] The electrical components appearing in the text are all electrically connected with the main control device and 220V mains or storage battery, and the main control device can be a conventional known device such as a computer.

[0028] In implementation, the following steps are performed:

[0029] 1) First, the side plate 1 is installed on the side of the harvester, and the driving motor 701 drives the rotation of the shaft 2 on one side, thereby driving the rotation of the shaft 2 on the front side at the same time, and the straw picker 6 is driven to rotate and collect the grains;

[0030] 2) Then, when the height of the front straw picker 6 needs to be adjusted, the hydraulic cylinder 710 is controlled to drive the connecting plate 711 to move up and down, and the sliding block 709 slides in the sliding hole 708;

[0031] 3) Finally, the electric telescopic rod 702 is controlled to drive the adjusting rod 704 to move during adjustment, so as to adjust the tension of the belt 707, so as to adapt to the height of the front shaft 2.

[0032] As described above, the straw picker of the combined harvester is provided with a transmission adjusting mechanism 7, two shafts 2 are arranged before harvesting, when the driving motor 701 drives the rotation of one shaft 2, the first pulley 705, the second pulley 706, the belt 707 and the adjusting rod 704 can drive the rotation of the two shafts 2 at the same time, the front straw picker 6 collects and pre-picks the grains, and the rear straw picker 6 transports all the grains below the front straw picker 6 to the subsequent harvester, thereby improving the straw picking efficiency of the grains, and the height of the front shaft 2 can be adjusted by the hydraulic cylinder 710, so as to adapt to the growth height of the grains, thereby more comprehensively harvesting the grains. During adjustment, the electric telescopic rod 702 is controlled to adjust the tension of the belt 707, so as to adapt to the height of the front shaft 2, thereby solving the problem that the existing straw picker usually only has one group of straw picker rollers, which cannot fully move the corn stalks during use, so that part of the grains cannot enter the harvesting device for harvesting, thereby affecting the harvesting efficiency of the harvester.

[0033] It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0034] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A straw extractor of a combine harvester comprising two side plates (1), characterized in that: Two rotating shafts (2) are arranged between the two side plates (1), outer ends of the rotating shafts (2) are fixedly installed with rotating shaft sleeves (3), outer sides of the rotating shaft sleeves (3) are fixedly installed with a plurality of supporting rods (4), a horizontal rod (5) is fixedly installed between the supporting rods (4), the horizontal rod (5) is externally installed with a weeding rod (6), and a transmission adjusting mechanism (7) is arranged between the two rotating shafts (2). The transmission adjusting mechanism (7) comprises a driving motor (701), the driving motor (701) is fixedly installed on the outer side of the side plate (1), an electric telescopic rod (702) is fixedly installed on the outer side of the side plate (1), a free end of the electric telescopic rod (702) is fixedly installed with a mounting seat (703), the mounting seat (703) is rotatably connected with an adjusting rod (704), a first belt pulley (705) is fixedly installed on the outer side of the rotating shaft (2), a second belt pulley (706) is fixedly installed on the outer side of the adjusting rod (704), the first belt pulley (705) and the second belt pulley (706) are transmissionally connected with a belt (707), a sliding hole (708) is formed in the outer wall of the side plate (1), a sliding block (709) is slidably connected in the sliding hole (708), a hydraulic cylinder (710) is fixedly installed on the opposite side wall of each of the two side plates (1), and a connecting plate (711) is fixedly installed on the opposite side wall of each of the two sliding blocks (709).

2. A beater for a combine harvester according to claim 1, wherein: The left and right ends of the front rotating shaft (2) penetrate the side plate (1) through the sliding hole (708) and are rotatably connected with the connecting plate (711).

3. A beater for a combine harvester according to claim 1, wherein: The left and right ends of the rear rotating shaft (2) are rotatably connected with the two side plates (1), one side of the rear rotating shaft (2) is fixedly connected with an output shaft of the driving motor (701), and the end of the rear rotating shaft (2) away from the driving motor (701) penetrates the side plate (1) and extends to the outside of the side plate (1).

4. A snoot for a combine harvester according to claim 1, wherein: The two rotating shafts (2) are arranged in a triangular manner with the adjusting rod (704), and the two rotating shafts (2) are arranged in a front-rear manner.

5. A beater assembly for a combine harvester as claimed in claim 1, wherein: The number of the weeding rods (6) is more than ten, and the end of the weeding rod (6) away from the horizontal rod (5) is arranged in a curved manner.

6. A beater for a combine harvester according to claim 1, wherein: The supporting rods (4) are evenly distributed on the outer side of the rotating shaft sleeve (3), and the number of the horizontal rods (5) is more than five.

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