Rear flail knife box for grain harvester header and grain harvester header

Abstract

The utility model relates to a grain harvester header and a rear flail knife box for the grain harvester header, the rear flail knife box comprises a flail knife box, a first bevel gear, a flail knife transmission shaft, a power output shaft and a flail knife, the two ends of the flail knife transmission shaft respectively penetrate out of the flail knife box and are rotatably connected with the flail knife box; the first bevel gear is coaxially fixed to the flail knife transmission shaft and located in the flail knife box, the flail knife transmission shaft is coaxially provided with a power transmission channel for a header main transmission shaft to penetrate through, one part of the power output shaft is rotationally installed in the flail knife box, and one end of the power output shaft extends out of the flail knife box and is connected with the flail knife. The other end of the power output shaft is in transmission connection with the first bevel gear. The flail knife transmission shaft is arranged, and the power transmission channel for the header main transmission shaft to penetrate through is formed in the flail knife transmission shaft, so that the whole flail knife box can be mounted on the rear side of the header, and the problem that the front flail knife box of the header of the grain harvester cannot be far away from the ground can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of agricultural machinery, concretely relates to a rear flail box for a grain harvester header and a grain harvester header. BACKGROUND

[0002] The flail box of the grain harvester header on the market is all front flail box, due to the limitation of structure, the grain harvester header cannot be too low from the ground during work, leading to the corn with low ear position cannot be harvested. The front flail cuts and crushes the straw before the stem roller pulls the stem, which leads to the bad breaking rate of the straw, the too long straw crushing section, and the straw is also easy to be cut off before the stem roller pulls the stem, leading to the stem roller cannot pull the straw, causing the ear and stalk accumulation of the header, and further causing the blockage of the grain harvester header. The blocked grain harvester must be stopped, the power is cut off, and the artificial unblocking is carried out, which directly affects the overall harvesting efficiency of the grain harvester, prolongs the operation time, and reduces the income of the farmers. CONTENT OF THE UTILITY MODEL

[0003] The utility model solves the technical problems that the front flail cuts and crushes the straw before the stem roller pulls the stem, which leads to the bad breaking rate of the straw, the too long straw crushing section, and the straw is also easy to be cut off before the stem roller pulls the stem, leading to the stem roller cannot pull the straw, causing the ear and stalk accumulation of the header, and further causing the blockage of the grain harvester header.

[0004] The utility model solves the technical problems that the front flail cuts and crushes the straw before the stem roller pulls the stem, which leads to the bad breaking rate of the straw, the too long straw crushing section, and the straw is also easy to be cut off before the stem roller pulls the stem, leading to the stem roller cannot pull the straw, causing the ear and stalk accumulation of the header, and further causing the blockage of the grain harvester header.

[0005] The utility model discloses beneficial effect is: the utility model discloses the rear thrower box, through setting up thrower drive shaft, and the power transmission passageway for cutting table main drive shaft is passed on thrower drive shaft is set up, can install entire thrower box at the rear side of cutting table, can solve the problem that seed grain harvester cutting table front thrower box can not be too low from ground, can effectively harvest the corn of ear position bottom. The rear thrower box can carry out the crushing after the stemmer to the corn straw, and the crushing effect is good, and the straw section is even, and the stubble is short. The rear thrower box of the utility model also can not produce because the seed grain corn harvester cutting table front thrower, first crushes straw, causes the jam of cutting table and other problems, improves the harvesting efficiency of seed grain harvester whole, saves the operation time, also increases the income of the peasant household.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0007] Further, the cross section of the power transmission passageway is a polygon structure.

[0008] The beneficial effect of the above further scheme is that the cross section of the power transmission passageway is set as a polygon structure, facilitating the adaptation with the cutting table main drive shaft and the power transmission.

[0009] Further, the cross section of the power transmission passageway is a regular hexagon structure.

[0010] Further, the other end of the power output shaft is coaxially fixed with a second bevel gear, and the second bevel gear is engaged with the first bevel gear.

[0011] The beneficial effect of the above further scheme is that the second bevel gear can be engaged with the first bevel gear for power reversing transmission.

[0012] Further, the thrower drive shaft is arranged perpendicularly to the power output shaft.

[0013] Further, the two ends of the thrower drive shaft are rotatably connected to the thrower box through first deep groove ball bearings, and the two ends of the thrower drive shaft are sleeved with first end covers, and the first end covers are fixed on the thrower box and are sealingly connected to the thrower drive shaft through first sealing members.

[0014] The beneficial effect of the above further scheme is that the thrower drive shaft can be stably rotatably connected in the thrower box through the first deep groove ball bearings, the first sealing members, and the first end covers.

[0015] Further, the power output shaft is rotatably connected with the flail box through a second deep groove ball bearing, and a second end cover is sleeved on an end of the power output shaft extending out of the flail box, the second end cover is fixed on the flail box and is sealingly connected with the power output shaft through a second sealing element.

[0016] The beneficial effect of the further scheme is that the power output shaft and the flail box are stably rotatably connected through the second deep groove ball bearing, the second sealing element and the second end cover.

[0017] Further, the other end of the power output shaft is fixed with a flail seat welding, and a flail is rotatably connected on the flail seat welding.

[0018] The utility model also provides a seed grain harvester header, including a rear flail box for seed grain harvester header as above, still include header body, the rear side of puller of the header body is installed with header main drive shaft, the flail drive shaft is fixed on the header main drive shaft through the power transmission channel sleeve, the flail is located below the flail drive shaft.

[0019] The utility model has the advantages that the utility model installs the flail box in the rear side of puller, can solve the problem that the front flail box of seed grain harvester header cannot be too low from ground, can effectively harvest the corn of ear position bottom.

[0020] Further, the rear side of each puller of the header body is provided with a rear flail box. ACCURATE DRAWINGS

[0021] Figure 1 It is the front structure schematic diagram of rear flail box for seed grain harvester header of the utility model;

[0022] Figure 2 It is the front structure schematic diagram of rear flail box for seed grain harvester header of the utility model; Figure 1 It is the section structure schematic diagram of A-A;

[0023] Figure 3 It is the section structure schematic diagram of B-B; Figure 1 It is the section structure schematic diagram of B-B;

[0024] Figure 4 It is the bottom structure schematic diagram of rear flail box for seed grain harvester header of the utility model;

[0025] Figure 5 It is the top structure schematic diagram of rear flail box for seed grain harvester header of the utility model;

[0026] Figure 6This is a side structural diagram of a rear-mounted flinger box for a grain harvester header according to the present invention;

[0027] Figure 7 This is a schematic diagram of the structure of the cutting platform of the grain harvester of the present invention when viewed from above;

[0028] Figure 8 The figure is a side structural schematic diagram of the cutting platform of the grain harvester of the present invention.

[0029] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0030] 100. Rear-mounted flinger housing; 101. Flinger housing; 102. First bevel gear; 103. Flinger drive shaft; 104. Power take-off shaft; 105. Flinger; 106. Bolt; 107. Power transmission channel; 108. Second bevel gear; 109. First deep groove ball bearing; 110. First end cap; 111. Second deep groove ball bearing; 112. Second end cap; 113. Flinger seat weld; 114. Breathing filter valve; 115. Limiting cylinder.

[0031] 200. Cutting platform body; 201. Stalk pulling roller; 202. Cutting platform main drive shaft; 203. Straw divider. DETAILED DESCRIPTION

[0032] The principles and features of the present invention are described below. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0033] Example 1

[0034] like Figures 1-6 As shown, this embodiment provides a rear-mounted blade box 100 for a grain harvester cutting table, comprising a blade box 101, a first bevel gear 102, a blade transmission shaft 103, a power output shaft 104 and a blade 105, both ends of the blade transmission shaft 103 respectively pass through the blade box 101 and are rotatably connected to the blade box 101, the first bevel gear 102 is coaxially fixed on the blade transmission shaft 103 and is located in the blade box 101, a power transmission channel 107 for the cutting table main transmission shaft 202 to pass through is coaxially opened on the blade transmission shaft 103, a part of the power output shaft 104 is rotatably installed in the blade box 101, one end of the power output shaft 104 extends out of the blade box 101 and is connected to the blade 105, and the other end of the power output shaft 104 is transmission-connected to the first bevel gear 102.

[0035] like Figures 2-4As shown, specifically, the cross section of the power transmission channel 107 is a polygonal structure. The cross section of the power transmission channel is set as a polygonal structure, which facilitates the adaptation with the header main transmission shaft and the power transmission. Preferably, the cross section of the power transmission channel is a regular hexagonal structure.

[0036] As shown in the drawings, Figure 2 and Figure 3 As shown in the drawings, one specific scheme of the embodiment is that the other end of the power output shaft 104 is coaxially fixed with a second bevel gear 108, and the second bevel gear 108 is engaged with the first bevel gear 102. By setting the second bevel gear, the power can be transmitted by the engagement with the first bevel gear.

[0037] As shown in the drawings, Figure 2 and Figure 3 As shown in the drawings, one specific scheme of the embodiment is that the flail transmission shaft 103 is arranged perpendicularly to the power output shaft 104.

[0038] As shown in the drawings, Figure 3 Specifically, both ends of the flail transmission shaft 103 are rotatably connected to the flail box 101 through first deep groove ball bearings 109, and both ends of the flail transmission shaft 103 are sleeved with first end covers 110, which are fixed on the flail box 101 and are sealingly connected to the flail transmission shaft 103 through first sealing members. By setting the first deep groove ball bearings, the first sealing members and the first end covers, the flail transmission shaft can be stably rotatably connected in the flail box.

[0039] As shown in the drawings, Figure 2 Specifically, the power output shaft 104 is rotatably connected to the flail box 101 through a second deep groove ball bearing 111, and one end of the power output shaft 104 extending out of the flail box 101 is sleeved with a second end cover 112, which is fixed on the flail box 101 and is sealingly connected to the power output shaft 104 through a second sealing member. By setting the second deep groove ball bearing, the second sealing member and the second end cover, the power output shaft can be stably rotatably connected to the flail box.

[0040] Further specifically, as shown in the drawings, Figure 2As shown, in order to ensure the stable rotation of the power output shaft 104 and carry out power output, the connecting barrel is formed on the flail box 101 of the embodiment, the power output shaft 104 is coaxially installed in the connecting barrel, the two ends of the connecting barrel are rotatably connected with the power output shaft 104 through the second deep groove ball bearings 111, and the second end cover 112 is fixed on the end face of one end of the connecting barrel of the flail box 101 through the bolts 106. The limiting barrel 115 is supported between the two second deep groove ball bearings 111, and the limiting barrel 115 is sleeved on the power output shaft 104 and abuts on the inner rings of the two second deep groove ball bearings 111 at both ends.

[0041] As shown in Figure 1 , Figure 2 and Figure 4 , the other end of the power output shaft 104 of the embodiment is fixed with the flail seat welding 113, and the flail 105 is rotatably connected on the flail seat welding 113.

[0042] As shown in Figure 1 , the flail box 101 of the embodiment is provided with the air vent hole, and the air vent filter valve 114 is installed in the air vent hole.

[0043] The connection between the flail seat welding 113 and the flail 105 of the embodiment can be connected by using the spline or flat key structure, and the specific connection mode is the commonly used connection mode of the agricultural flail. The first sealing member and the second sealing member of the embodiment can be selected as the lip-shaped sealing ring.

[0044] The rear flail box of the embodiment can be installed on the rear side of the header by arranging the flail transmission shaft and arranging the power transmission channel for the header main transmission shaft to pass through on the flail transmission shaft, which can solve the problem that the front flail box of the grain harvester header cannot be too low from the ground, and can effectively harvest the corn at the ear bottom. The rear flail box can crush the corn stalks after the stalks are pulled by the stalk roller, and the crushing effect is good, the stalk segments are uniform, and the stubble is short. The rear flail box of the embodiment also does not have the problems of the front flail of the grain corn harvester header, such as crushing the stalks first, causing the header to be blocked, and the like, improves the overall harvesting efficiency of the grain harvester, saves the operation time, and also increases the income of the farmers.

[0045] Embodiment 2

[0046] The embodiment provides a grain harvester header, which comprises a rear flail box 100 for a grain harvester header as described in the above embodiment 1, as shown in Figure 7 and Figure 8As shown, the cutting platform body 200 is provided with a cutting platform main transmission shaft 202 behind the stalk pulling roller 201, the flail transmission shaft 103 is sleeved and fixed on the cutting platform main transmission shaft 202 through the power transmission channel 107, and the flail 105 is located below the flail transmission shaft 103.

[0047] As Figure 7 As shown, the rear side of each stalk pulling roller 201 of the cutting platform body 200 is provided with a rear flail box 100.

[0048] The flail box is installed at the rear side of the stalk pulling roller in the embodiment, the problem that the front flail box of the cutting platform of the grain harvester cannot be too low from the ground can be solved, and the corn at the bottom of the ear position can be effectively harvested.

[0049] In the description of the present application, it should be understood that the terms "front", "rear", "inner" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0050] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0051] In the present application, unless otherwise specifically defined and limited, the terms "installation", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrated; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0052] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0053] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or features of different embodiments or examples described in the present application without contradiction.

[0054] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limiting the present application, and those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A rear-mounted blade box for a grain harvester header, characterized in that: It includes a blade-fling box, a first bevel gear, a blade-fling transmission shaft, a power output shaft and a blade-fling box. Both ends of the blade-fling transmission shaft respectively pass through the blade-fling box and are rotatably connected to the blade-fling box. The first bevel gear is coaxially fixed on the blade-fling transmission shaft and is located in the blade-fling box. A power transmission channel for the main transmission shaft of the cutting platform to pass through is coaxially opened on the blade-fling transmission shaft. A part of the power output shaft is rotatably installed in the blade-fling box. One end of the power output shaft extends out of the blade-fling box and is connected to the blade, and the other end of the power output shaft is transmission-connected to the first bevel gear.

2. A rear-mounted blade box for a grain harvester header according to claim 1, characterized in that: The cross section of the power transmission channel is a polygonal structure.

3. The rear-mounted blade box for a grain harvester header according to claim 2, characterized in that: The cross section of the power transmission channel is a regular hexagonal structure.

4. The rear-mounted blade box for a grain harvester header according to claim 1, characterized in that: A second bevel gear is coaxially fixed to the other end of the power output shaft, and the second bevel gear is meshed with the first bevel gear.

5. The rear-mounted blade box for a grain harvester header according to claim 1, characterized in that: The blade-fling transmission shaft is arranged perpendicular to the power output shaft.

6. The rear-mounted flinger box for a grain harvester header according to claim 1, characterized in that: The two ends of the knife-fling transmission shaft are rotatably connected to the knife-fling box through first deep groove ball bearings respectively. The two ends of the knife-fling transmission shaft are respectively provided with first end covers, which are fixed on the knife-fling box and sealed to the knife-fling transmission shaft through a first seal.

7. The rear-mounted blade box for a grain harvester header according to claim 1, characterized in that: The power output shaft is rotatably connected to the blade-flinging box through a second deep groove ball bearing. One end of the power output shaft extending out of the blade-flinging box is sleeved with a second end cover. The second end cover is fixed on the blade-flinging box and is sealed to the power output shaft through a second seal.

8. The rear-mounted flinger box for a grain harvester header according to claim 1, characterized in that: The other end of the power output shaft is fixed with a knife-flinging seat welded together, and the knife-flinging seat welded together is rotatably connected with a knife-flinging seat.

9. A grain harvester header, characterized in that: It comprises a rear-mounted blade-flinging box for a grain harvester's cutting table as described in any one of claims 1 to 8, and also comprises a cutting table body, a cutting table main transmission shaft is installed on the rear side of the stem pulling roller of the cutting table body, the blade-flinging transmission shaft is sleeved through the power transmission channel and fixed on the cutting table main transmission shaft, and the blade-flinging knife is located below the blade-flinging transmission shaft.

10. A grain harvester header according to claim 9, characterized in that: A rear blade-flinging box is provided on one side behind each stem-pulling roller of the cutting platform body.

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