CN211378855U

CN211378855U - Threshing device for long-stem crops

Info

Publication number: CN211378855U
Application number: CN201922290943.3U
Authority: CN
Inventors: 张军; 于世强; 胡建良; 王伟; 冯伟; 朱国梁; 赵沛义; 王朴; 廖结安; 任德志; 候俊铭; 王国峰
Original assignee: Shenyang Agricultural University
Current assignee: Shenyang Agricultural University
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-01
Anticipated expiration: 2029-12-18

Abstract

The utility model relates to the field of agricultural machinery, and provides a threshing device for long-stem crops, which comprises a threshing component, a screening component and a collecting component; the threshing component comprises a roller and a shell, the roller is rotatably arranged in the shell, a first threshing device is arranged on the outer circular surface of the roller, and a second threshing device matched with the first threshing device is arranged on the inner wall of the shell; a blanking hole is formed in the lower side plate of the shell; the screening component is arranged below the threshing component and at a position corresponding to the blanking hole and is used for filtering impurities in the particles; the aggregate assembly is disposed below the screening assembly and is used for collecting the particles. The utility model provides a thresher can effectively improve smooth desorption, edulcoration, the collection to the granule of the isometric stem crop of hair vetch, has reduced the granule desorption degree of difficulty to the isometric stem crop of hair vetch, has improved the efficiency of desorption, collection. The threshing device is suitable for large-scale agricultural machinery and is beneficial to development towards the direction of rapidness, high efficiency and mechanization.

Description

Threshing device for long-stem crops

Technical Field

The utility model relates to the field of agricultural machinery, in particular to a threshing device for long-stem crops.

Background

The hair vetch is an important grass species for the production and development of farming and animal husbandry, has more than two thousand and ten thousand mu in China, and can be used for raising livestock and improving soil and fertilizing fields.

At present, the threshing and screening device for the hair vetch is rarely used in the market, the hair vetch is a long-stem crop, the creeping stem length can reach two to three meters, most of the hair vetch is manually harvested, the harvesting difficulty is high, and the efficiency is low.

Disclosure of Invention

Technical problem to be solved

The utility model aims at providing a thresher for long stem class crop to solve among the prior art to the problem that the granule desorption difficulty of long stem class crop, collection efficiency are low.

(II) technical scheme

In order to solve the technical problem, the utility model provides a threshing device for long-stem crops, which comprises a threshing component, a screening component and a material collecting component; the threshing component comprises a roller and a shell, the roller is rotatably arranged in the shell, a first threshing device is arranged on the outer circular surface of the roller, and a second threshing device matched with the first threshing device is arranged on the inner wall of the shell; a blanking hole is formed in the lower side plate of the shell; the screening component is arranged at the position below the threshing component corresponding to the blanking hole and is used for filtering impurities in the particles; the aggregate assembly is disposed below the screening assembly and is used to collect the particles.

Further, the first threshing device at least comprises a U-shaped shifting tooth and an L-shaped shifting tooth, and the U-shaped shifting tooth and the L-shaped shifting tooth are arranged on the outer circular surface of the roller at intervals.

Further, along the feeding direction of cylinder, the contained angle between U type group tooth and the axis of cylinder increases gradually.

Further, the second threshing device is provided with an arc-shaped section which is bent towards the discharging direction of the roller, and the radian of the arc-shaped section is gradually increased along the discharging direction of the roller.

Furthermore, the first end of the roller extends out of the shell, the second end of the roller extends into the shell, the first end of the roller is provided with a conical protruding section, and the peripheral surface of the conical protruding section is provided with a spiral feeding piece.

Furthermore, the screening assembly comprises a screening hopper, a first vibrating plate, a second vibrating plate and a screening net, the first vibrating plate and the second vibrating plate are respectively arranged at two ends of the screening hopper, a top plate of the screening hopper is provided with a plurality of first screening holes, the screening net is arranged below the top plate and fixedly connected with the second vibrating plate, the screening net is provided with a plurality of second screening holes, and the hole stems of the second screening holes are smaller than the hole stems of the first screening holes; and a material collecting hopper is arranged below the screening hopper.

Further, a plurality of step surfaces are provided along a length direction of the first vibration plate; and at least one sawtooth surface inclined towards the plate surface far away from the second vibrating plate is arranged on the second vibrating plate from the connecting position of the second vibrating plate and the screen material net to the direction of the connecting position of the second vibrating plate and the screen hopper.

Further, the screening hopper is connected with a power device through a crankshaft.

The sieve hopper is arranged on the bottom of the first vibrating plate, and the sieve hopper is arranged on the bottom of the first vibrating plate; the crusher is arranged at one end of the screening hopper close to the second vibrating plate and corresponds to the discharging position of the roller; the fan is connected with the pulverizer and the power device.

Further, the subassembly that gathers materials includes first lifting bucket and second lifting bucket, the first end of first lifting bucket stretches into the collecting bucket, the second end of first lifting bucket with the first end of second lifting bucket is connected, the second end orientation of second lifting bucket the outside of the thresher for long stem class crop.

(III) advantageous effects

The utility model provides a thresher for long stem class crop through set up first thresher and second thresher respectively on cylinder and casing, when the cylinder rotates, first thresher and second thresher mutually support and can carry out the desorption to the granule of long stem crops such as hair vetch. Through set up blanking hole on the lower plate of casing can guarantee that the granule falls into the screening subassembly that is located the cylinder below smoothly, can get rid of the impurity in the granule through the edulcoration of screening subassembly, can accomplish the collection to the granule through the subassembly that gathers materials at last. Therefore, the method can effectively improve the smooth removal, impurity removal and collection of the particles of the long-stem crops such as the vetch, reduce the difficulty of removing the particles of the long-stem crops such as the vetch, and improve the removal and collection efficiency. The threshing device for long-stem crops is suitable for large-scale agricultural machinery, and is beneficial to development of the threshing device for long-stem crops to a direction of rapidness, high efficiency and mechanization.

Drawings

FIG. 1 is a schematic structural view of a threshing apparatus for long-stem crops according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a drum and a shell according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a sieve hopper provided by an embodiment of the present invention;

fig. 4 is a schematic top view of an arrangement manner of the U-shaped shifting teeth and the L-shaped shifting teeth provided by the embodiment of the present invention;

fig. 5 is a schematic structural diagram of a U-shaped shifting tooth according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an L-shaped shifting tooth according to an embodiment of the present invention.

The reference numbers illustrate:

100. a drum; 102. a housing; 104. a second threshing device; 106. u-shaped shifting teeth; 108. l-shaped shifting teeth; 110. a conical convex section; 112. a helical feeding member; 114. screening the hopper; 116. a first vibrating plate; 118. a second vibration plate; 120. a material screening net; 122. a collection hopper; 124. a fan; 126. a pulverizer; 128. a first material lifting hopper; 130. a second material lifting hopper.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

With combined reference to fig. 1-6, a threshing apparatus for long-stem crops includes a threshing assembly, a screening assembly, and a material collecting assembly; the threshing assembly comprises a roller 100 and a shell 102, the roller 100 is rotatably arranged in the shell 102, a first threshing device is arranged on the outer circular surface of the roller 100, and a second threshing device 104 matched with the first threshing device is arranged on the inner wall of the shell 102; a blanking hole is formed in the lower side plate of the shell 102; the screening component is arranged below the threshing component and at a position corresponding to the blanking hole and is used for filtering impurities in the particles; the aggregate assembly is disposed below the screening assembly and is used for collecting the particles.

The utility model provides a thresher for long stem class crop through set up first thresher and second thresher 104 on cylinder 100 and casing 102 respectively, and when cylinder 100 rotated, first thresher and second thresher 104 mutually supported and can carry out the desorption to the granule of long stem crops such as hair vetch. The blanking holes are formed in the lower side plate of the shell 102, so that particles can be guaranteed to smoothly fall into the screening assembly located below the roller 100, impurities in the particles can be removed through impurity removal of the screening assembly, and finally collection of the particles can be completed through the aggregate assembly. Therefore, the method can effectively improve the smooth removal, impurity removal and collection of the particles of the long-stem crops such as the vetch, reduce the difficulty of removing the particles of the long-stem crops such as the vetch, and improve the removal and collection efficiency. The threshing device for long-stem crops is suitable for large-scale agricultural machinery, and is beneficial to development of the threshing device for long-stem crops to a direction of rapidness, high efficiency and mechanization.

Specifically, the embodiment of the utility model provides a thresher for long stem class crop mainly includes three major parts, is threshing component, screening subassembly and collecting component respectively. The following description will discuss a threshing device for long-stem crops according to an embodiment of the present invention, taking as an example the application of the threshing device for long-stem crops to the threshing of hair vetches.

Wherein the separation component is used for removing the particles of the hair vetch; the screening component is used for screening and removing impurities of the particles threshed by the threshing component; the aggregate component is used for collecting particles which are screened and purified by the screening component.

In the present embodiment, the threshing assembly mainly comprises a drum 100 and a housing 102, wherein the drum 100 is rotatably arranged inside the housing 102. For example, a shaft head may be fixedly connected to each end of the drum 100, and a corresponding frame may be provided, on which two bearing seats are provided to be engaged with the shaft heads, respectively. The shaft head and the roller 100 can be matched in a welding mode, an interference fit mode and the like. The housing 102 is then fixedly supported on the frame, such as by welding or by fixedly attaching the housing 102 to the frame via a support structure. This achieves the object that the drum 100 is rotatably disposed inside the casing 102.

A first threshing device is arranged on the outer circumferential surface of the drum 100, and a second threshing device 104 matched with the first threshing device is arranged on the inner wall of the shell 102. Wherein, when the roller 100 rotates, the first threshing device can cooperate with the second threshing device 104 to remove the particles on the hair vetch.

Specifically, the first threshing device and the second threshing device 104 remove the particles of the furrows through mutual friction, shearing and other actions, that is, when the furrows are put on the roller 100, the furrows are brought into the shell 102 along with the rotation of the roller 100, and the particles of the furrows are removed through mutual friction, shearing and other actions of the first threshing device and the second threshing device 104. In addition, the threshing time can be prolonged and the threshing rate can be improved by adopting the feeding mode.

Further, the first threshing device at least comprises a U-shaped shifting tooth 106 and an L-shaped shifting tooth 108, and the U-shaped shifting tooth 106 and the L-shaped shifting tooth 108 are arranged on the outer circumferential surface of the drum 100 at intervals.

In the present embodiment, the first threshing device includes two types of shifting teeth, one of which is a U-shaped shifting tooth 106, and the other is an L-shaped shifting tooth 108, and in order to ensure the threshing efficiency, the U-shaped shifting tooth 106 and the L-shaped shifting tooth 108 are arranged on the outer circumferential surface of the drum 100 at intervals. For example, one U-shaped set tooth 106 may be provided, two L-shaped set teeth 108 may be provided, one U-shaped set tooth 106 may be provided, and so on. The embodiment of the present invention does not limit the specific arrangement of the U-shaped shifting teeth 106 and the L-shaped shifting teeth 108, and can be flexibly set according to actual conditions.

In this embodiment, the drum 100 may be made of a metal material, a plurality of threaded holes are formed in the outer circumferential surface of the drum 100, and threaded ends are formed at the lower ends of the U-shaped dialing tooth 106 and the L-shaped dialing tooth 108, so that the U-shaped dialing tooth 106 and the L-shaped dialing tooth 108 can be detachably connected to the outer circumferential surface of the drum 100 in a threaded connection manner.

Further, the angle between the U-shaped teeth 106 and the central axis of the drum 100 increases gradually along the feeding direction of the drum 100.

As shown in fig. 4, the included angle between the U-shaped poking teeth 106 and the central axis of the roller 100 is set to be gradually increased along the feeding direction of the roller 100, so that the travelling speed of the hair vetches can be effectively slowed down in the early stage of threshing, and the particles of the hair vetches are fully removed through the cooperation of the first threshing device and the second threshing device 104; in the later stage of threshing, the particles of the hair vetch are basically and completely removed, so that the speed of the hair vetch can be increased, and the straws of the hair vetch are quickly discharged to the outside of the shell 102.

Further, as shown in fig. 1 and 2, in order to complete the change of the travelling speed of the hair vetch inside the housing 102 by cooperating with the U-shaped poking teeth 106, the second threshing device 104 in this embodiment has an arc-shaped section which is bent towards the discharging direction of the roller 100, and the arc degree of the arc-shaped section is gradually increased along the discharging direction of the roller 100. Therefore, in the early stage of threshing, the travelling speed of the hair vetch can be well limited between the arc-shaped section on the second threshing device 104 and the U-shaped poking teeth 106, and the threshing device for the long-stem crops has enough time to thresh the hair vetch.

Further, a first end of the drum 100 extends out of the housing 102, a second end of the drum 100 extends into the housing 102, the first end of the drum 100 has a conical convex section 110, and a spiral feeding member 112 is disposed on an outer circumferential surface of the conical convex section 110.

The first end of the drum 100 specifically refers to the left end of the drum 100 as shown in fig. 2, and the second end of the drum 100 refers to the right end of the drum 100 as shown in fig. 2. The arrangement of the first end of the roller 100 with the conical raised section 110 ensures that the brooch can be smoothly fed into the housing 102. Furthermore, the provision of the helical feed member 112 on the conical convex section 110 ensures that the brooch can be wound around the conical convex section 110 without falling off the conical convex section 110.

As mentioned above, the screening component is used for screening and removing impurities from the particles threshed by the threshing component; therefore, in order to ensure that the granules of the sweet potatoes in the shell 102 can smoothly fall into the screening assembly, the lower side plate of the shell 102 is also provided with a blanking hole. Through threshing of the threshing component, particles can fall into the screening component through the blanking hole.

The screening subassembly sets up in threshing component's below and the position that blanking hole corresponds and is arranged in filtering the impurity in the granule.

In this embodiment, the screening assembly includes a screening hopper 114, a first vibrating plate 116, a second vibrating plate 118 and a screening net 120, the first vibrating plate 116 and the second vibrating plate 118 are respectively disposed at two ends of the screening hopper 114, a top plate of the screening hopper 114 is provided with a plurality of first screening holes, the screening net 120 is disposed below the top plate and is fixedly connected with the second vibrating plate 118, the screening net 120 is provided with a plurality of second screening holes, and the hole stems of the second screening holes are smaller than the hole stems of the first screening holes; a collection hopper 122 is disposed below the screen hopper 114.

As shown in fig. 3, the screen hopper 114 has a structure with side plates on the periphery, a top plate on the top, and an open bottom. It should be noted that, in order to ensure that the screening hopper 114 can screen out impurities in particles for multiple times, a top plate of the screening hopper 114 is provided with a plurality of first screening holes, and the plurality of first screening holes are used for primarily screening the impurities in the particles.

A first vibrating plate 116 and a second vibrating plate 118 are respectively arranged at two ends of the screening hopper 114, wherein the first vibrating plate 116 is used for sending particles falling from the blanking holes onto a screening net 120 through vibration; a second vibration plate 118 provided at the other end of the sieve hopper 114 serves to prevent impurities from falling back onto the sieve screen 120. Thus, the screen mesh 120 is disposed between the first vibrating plate 116 and the second vibrating plate 118, and the position of the screen mesh 120 corresponds to the position of the top plate.

In the present embodiment, the screen mesh 120 is fixedly connected to the second vibrating plate 118, for example, the two may be connected by welding or the like. A plurality of second material sieving holes are further formed in the material sieving net 120, and the hole stems of the second material sieving holes are smaller than the hole stems of the first material sieving holes. Thus, particles falling from the sieve hopper 114 can pass through the secondary sieve of the sieve mesh 120 to remove some fine impurities.

Further, a collecting hopper 122 is provided below the sieve hopper 114, and particles after secondary sieving of impurities through the sieve mesh 120 fall into the sieve hopper 114 for collection.

Still further, as shown in fig. 3, a plurality of step surfaces are provided along the longitudinal direction of the first vibration plate 116. This allows the particles screened by the top plate of the screen hopper 114 to be smoothly fed onto the screen.

Further, as shown in fig. 3, at least one serrated surface inclined away from the plate surface of the second vibrating plate 118 is provided on the second vibrating plate 118 in a direction from the connecting position of the second vibrating plate 118 and the mesh screen 120 to the connecting position of the second vibrating plate 118 and the sieve hopper 114. This prevents impurities in the particles from falling back to the screen mesh 120, that is, when the impurities fall to the second vibration plate 118, the impurities are blocked by the saw teeth and thus do not fall back to the screen mesh 120.

Further, the sieve hopper 114 is connected to the power plant via a crankshaft. The power device described herein may be any device capable of outputting power, such as a motor. The sieving hopper 114 passes through a crankshaft and a power device, so that when the power device outputs power, corresponding amplitude can be generated on the sieving hopper 114 through the rotation of the crankshaft, and the sieving hopper 114 can sieve out impurities in particles through vibration; in addition, the vibration of the sieve hopper 114 can also drive the first vibration plate 116 and the second vibration plate 118 to vibrate simultaneously, so that the particles are respectively sent to the sieve mesh 120 through the first vibration plate 116 and impurities are discharged through the second vibration plate 118.

Further, the threshing device for long-stem crops further comprises a fan 124 and a crusher 126, wherein the fan 124 is arranged at one end, close to the first vibrating plate 116, of the screening hopper 114; the crusher 126 is arranged at one end of the sieve hopper 114 close to the second vibrating plate 118 and corresponds to the discharging position of the roller 100; the fan 124 and the crusher 126 are connected to a power plant.

The blower 124 is used for blowing out the fine impurities screened by the screen 120 to remove the fine impurities, wherein the blower 124 is connected with a power device and provides power for the blower 124 through the power device. The fan 124 is provided at one end of the sieve hopper 114 near the first vibrating plate 116, i.e., at the left end as viewed in fig. 1.

The crusher 126 crushes the straw of the sweet potato discharged from the housing 102 and the drum 100, and thus the crusher 126 is disposed at one end of the sieve hopper 114 near the second vibration plate 118, and the position of the crusher 126 corresponds to the discharge position of the drum 100. Thus, the straw of the sweet potato discharged from the roller 100 can fall into the crusher 126 from the discharge position of the roller 100, and is crushed into powder by the crusher 126, so that the powder can be applied as fertilizer to soil. Wherein the crusher 126 is also connected to the power plant.

As mentioned earlier, the subassembly that gathers materials is used for collecting the granule after screening, edulcoration through the screening subassembly, and the subassembly that gathers materials sets up in the below of screening subassembly and is used for to the granule is collected.

Still further, the aggregate assembly comprises a first lifting hopper 128 and a second lifting hopper 130, a first end of the first lifting hopper 128 extending into the aggregate hopper 122, a second end of the first lifting hopper 128 being connected to a first end of the second lifting hopper 130, a second end of the second lifting hopper 130 facing the outside of the threshing device for long-stem crops.

Wherein, the first end of the first material lifting bucket 128 extends into the material collecting bucket 122, and the first material lifting bucket 128 can be a spiral reamer or a bucket lifting device, etc.; the second lifting hopper 130 is connected to the first lifting hopper 128 to transfer the particles in the first lifting hopper 128 to the outside of the threshing device for long-stem crops, so that the particles in the collecting hopper 122 can be smoothly discharged to the outside of the threshing device for long-stem crops.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A threshing device for long-stem crops is characterized by comprising a threshing component, a screening component and a material collecting component;

the threshing assembly comprises a roller (100) and a shell (102), the roller (100) is rotatably arranged in the shell (102), a first threshing device is arranged on the outer circular surface of the roller (100), and a second threshing device (104) matched with the first threshing device is arranged on the inner wall of the shell (102);

a blanking hole is formed in the lower side plate of the shell (102);

the screening component is arranged at the position below the threshing component corresponding to the blanking hole and is used for filtering impurities in the particles;

the aggregate assembly is disposed below the screening assembly and is used to collect the particles.

2. Threshing apparatus for long-stem crops according to claim 1, characterized in that the first threshing apparatus comprises at least a U-shaped shifting tooth (106) and an L-shaped shifting tooth (108), the U-shaped shifting tooth (106) and the L-shaped shifting tooth (108) being arranged on the outer circumferential surface of the drum (100) at intervals.

3. Threshing apparatus for long-stem crops according to claim 2, wherein the angle between the U-shaped poke tooth (106) and the centre axis of the drum (100) increases gradually in the feeding direction of the drum (100).

4. Threshing apparatus for long-stem crops according to claim 1, characterized in that the second threshing device (104) has an arc-shaped section that is curved towards the discharge direction of the drum (100), the arc-shaped section having an increasing arc in the discharge direction of the drum (100).

5. Threshing apparatus for long stem crops according to claim 1, wherein a first end of the drum (100) protrudes out of the housing (102), a second end of the drum (100) protrudes into the housing (102), the first end of the drum (100) has a conical raised section (110), and a spiral feeding member (112) is provided on the outer circumferential surface of the conical raised section (110).

6. The threshing device for long-stem crops according to claim 1, wherein the screening component comprises a screening hopper (114), a first vibrating plate (116), a second vibrating plate (118) and a screening net (120), the first vibrating plate (116) and the second vibrating plate (118) are respectively arranged at two ends of the screening hopper (114), a top plate of the screening hopper (114) is provided with a plurality of first screening holes, the screening net (120) is arranged below the top plate and fixedly connected with the second vibrating plate (118), the screening net (120) is provided with a plurality of second screening holes, and the hole stems of the second screening holes are smaller than the hole stems of the first screening holes; a collecting hopper (122) is arranged below the screening hopper (114).

7. The threshing apparatus for long-stem crops according to claim 6, wherein a plurality of step surfaces are provided along the length direction of the first vibrating plate (116); from the connecting position of the second vibrating plate (118) and the screen mesh (120) to the direction of the connecting position of the second vibrating plate (118) and the screen hopper (114), at least one sawtooth surface inclined towards the plate surface far away from the second vibrating plate (118) is arranged on the second vibrating plate (118).

8. Threshing apparatus for long stem crops according to claim 6, wherein the sieve hopper (114) is connected to a power plant by a crankshaft.

9. The threshing apparatus for long stem crops of claim 8, further comprising a fan (124) and a crusher (126), wherein the fan (124) is disposed on the sieve hopper (114) at an end adjacent to the first vibrating plate (116); the crusher (126) is arranged at one end of the screening hopper (114) close to the second vibrating plate (118) and corresponds to the discharging position of the roller (100); the fan (124) and the pulverizer (126) are connected with the power device.

10. The threshing apparatus for long stem crops of claim 8, wherein the aggregate assembly includes a first lifting hopper (128) and a second lifting hopper (130), a first end of the first lifting hopper (128) extends into the collection hopper (122), a second end of the first lifting hopper (128) is connected with a first end of the second lifting hopper (130), and a second end of the second lifting hopper (130) faces the outside of the threshing apparatus for long stem crops.