A new double-fan structure and a sugarcane harvester

Abstract

The present application relates to a new double-fan structure and a sugarcane harvester, which comprises a shell, a left fan, a right fan and a throwing and separating mechanism, the left end of the shell is provided with a left opening penetrating in and out, the right end of the shell is provided with a right opening penetrating in and out, and the left opening and the right opening are oppositely distributed; the shell is further provided with a material inlet and a material outlet at the bottom; the left fan is fixedly installed at the left opening and is provided with an impurity outlet at the upper side, the right fan is fixedly installed at the right opening, and the throwing and separating mechanism is installed at the part close to the material inlet in the shell. The present application has the advantages of simple structure, reasonable design, double-fan cooperation with the thrower and the separator, increased effective wind area, effectively reduced impurity rate and loss rate; at the same time, the fan shaft is transversely arranged, the left and right bearings are used for bearing, the rotation is more stable, and the cost is reduced; in addition, the sugarcane leaves can be recycled twice, the environmental pollution is reduced, one machine is used for multiple purposes, and the use is convenient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sugarcane harvesters, in particular to a novel double-fan structure and a sugarcane harvester. BACKGROUND

[0002] At present, with the development of agricultural mechanization, the segmented sugarcane combine harvester has been more widely used. As an important part of the segmented sugarcane harvester, the structure design of the impurity removal system plays a crucial role in the impurity content and loss rate of the harvested sugarcane. Each parameter such as the shell structure, fan speed, blade position, blade number, blade diameter and fan number can be studied separately.

[0003] The existing impurity removal system of the hopper type sugarcane harvester is a single longitudinal axial flow fan, and the fan cover is swung left and right through a motor and a chain. This structure has the following defects:

[0004] (1) Due to the influence of the air duct structure, vortex is easily formed in the air duct, and the sugarcane is thrown out in a concentrated manner, so the impurity removal effect is unstable. When the wind speed is too low, the impurity removal effect is poor and the impurity content is high. When the wind speed is high, the proportion of sugarcane thrown out is high, and the loss rate is high. Therefore, the driver needs to have excellent skills, and it is difficult for beginners to control the harvester.

[0005] (2) The traditional longitudinal axial flow fan is a cantilever structure, and the balance precision of the parts is high. The parts are difficult to process and expensive to manufacture. A slight imbalance will cause the fan to vibrate and make noise, the shell will vibrate and break, and the overall manufacturing and maintenance costs are high. SUMMARY

[0006] The technical problem to be solved by the present application is to provide a novel double-fan structure and a sugarcane harvester to solve the problems in the prior art.

[0007] The technical solution of the present application to solve the above technical problem is as follows:

[0008] A novel double-fan structure, comprising a shell, a left fan, a right fan and a throwing and separating mechanism, the left end of the shell is provided with a left opening penetrating inside and outside, the right end of the shell is provided with a right opening penetrating inside and outside, and the left opening and the right opening are oppositely distributed; the shell is further provided with a material inlet and a material outlet at the bottom thereof; the left fan is fixedly installed at the left opening, and is provided with an impurity outlet at the upper side thereof; the right fan is fixedly installed at the right opening; and the throwing and separating mechanism is installed in the shell close to the material inlet.

[0009] The beneficial effects of the present application are: during operation, firstly, the material is sent into the shell from the material inlet in a manner that can be thought of by those skilled in the art; then, the material is scattered and separated by the throwing mechanism; at the same time, the left fan and the right fan operate to separate the material and impurities, the material falls downward and is discharged through the material outlet, and the impurities are discharged through the impurity outlet, realizing rapid separation of the material and impurities and rapid harvesting of the material, and reducing the impurity content.

[0010] The present application has the advantages of simple structure, reasonable design, cooperation of the double fans with the thrower and the separator, increased effective wind area, effectively reduced impurity content and loss rate, and convenient use.

[0011] On the basis of the above technical solution, the present application can also be improved as follows.

[0012] Further, the throwing mechanism comprises a thrower and a separator, the thrower is fixedly installed in the shell near the material inlet, and the separator is fixedly installed in the shell and located on the side of the thrower away from the material inlet, for separating the material sent by the thrower.

[0013] The beneficial effects of the above further scheme are that during operation, after the material is sent into the shell, the material is first thrown by the thrower, and then scattered and separated by the separator, realizing separation of the material and avoiding the material sticking together, thereby improving the subsequent impurity removal effect.

[0014] Further, the thrower comprises a hydraulic motor, a rotating shaft and a plurality of throwing plates, the rotating shaft is installed in the shell and rotates horizontally along the left-right direction, the plurality of throwing plates are fixedly installed on the rotating shaft and uniformly spaced along the circumferential direction of the rotating shaft, and each of the throwing plates extends along the axial direction of the rotating shaft, and the hydraulic motor is fixedly installed on the shell, the driving end of the hydraulic motor extends along the axial direction of the rotating shaft and is fixedly connected with one end of the rotating shaft.

[0015] The beneficial effects of the above further scheme are that during operation, the material is sent into the shell through the material inlet, and at the same time, the hydraulic motor drives the rotating shaft to rotate, the rotating shaft drives the plurality of throwing plates to rotate, so as to throw the material to the separator, realizing conveying of the material and separating the material to a certain extent.

[0016] Further, the separator comprises a plurality of separation rod assemblies, the plurality of separation rod assemblies are installed in the shell and spaced along the direction of material throwing, each separation rod assembly comprises a plurality of separation rods, the plurality of separation rods are fixedly installed in the shell and uniformly spaced along the left-right direction and vertically, and the plurality of separation rods in the adjacent two separation rod assemblies are distributed in a staggered manner.

[0017] The beneficial effect of the further scheme is that when working, the material is sent into the shell through the material inlet, and the thrower is thrown to the separator, and the plurality of separation rods in the plurality of separation rod assemblies sequentially separate the material, achieving rapid separation of the material.

[0018] In addition, the plurality of separation rods in the plurality of separation rod assemblies are alternately distributed in sequence, which reasonably distributes the plurality of separation rods and improves the degree of material separation, so as to subsequently separate the material from the impurities and reduce the impurity content.

[0019] Meanwhile, the hydraulic motor drives the rotating shaft to rotate, and the rotating shaft drives the plurality of throwing plates thereon to rotate, so as to throw the material to the separator, achieving the conveying of the material and separating the material to a certain extent.

[0020] Further, the opposite ends of the central shaft of the left fan and the central shaft of the right fan respectively extend into the shell and are connected through bearings, and the central shaft of the left fan and the central shaft of the right fan are fixedly installed with screw rods at the positions extending into the shell.

[0021] The beneficial effect of the further scheme is that the structure is simple and reasonable, the central shaft of the left fan and the central shaft of the right fan are supported by bearings, the rotation is more stable, and the manufacturing and maintenance costs are reduced.

[0022] Further, the left fan is a centrifugal fan, and the right fan is an axial fan.

[0023] The beneficial effect of the further scheme is that when working, the right fan adopts a horizontal axial fan to provide lateral wind power to quickly separate the sugarcane and impurities, and the left fan is a horizontal centrifugal fan to quickly discharge and collect the shredded leaves separated above, serving as green storage for secondary use, which can increase user harvest, and the structure is simple and reasonable.

[0024] Further, the impurity outlet has a structure of being narrow at the lower side and wide at the upper side, and a cutter assembly for shredding the impurities is fixedly installed at the impurity outlet.

[0025] The beneficial effect of the further scheme is that the structure is simple and reasonable, the impurity outlet has a structure of being narrow at the lower side and wide at the upper side to facilitate the discharge of the shredded leaves, and the cutter assembly is used to shred the shredded leaves to quickly collect the shredded leaves for green storage for secondary use.

[0026] Further, the left opening is connected with the left fan through a left connecting ring, and / or the right opening is connected with the right fan through a right connecting ring, and the left connecting ring and the right connecting ring respectively have a structure of being thin at one end and thick at the other end, and the interiors thereof are inclined, and the thick ends thereof are connected with the left opening and the right opening respectively and the thin ends thereof are connected with the left fan and the right fan respectively.

[0027] The beneficial effect of the further scheme is that the structure design can make the sugarcane falling into the left fan and the right fan quickly fall back into the shell during the separation process, thereby reducing the loss rate of the sugarcane and increasing the harvesting rate.

[0028] Further, the air guide cylinder is installed at the impurity opening, one end of the air guide cylinder is rotatably connected with the impurity opening and is positioned, the other end of the air guide cylinder extends upwardly and is reversibly connected with the air guide cover, and the inner wall of the air guide cylinder is provided with a stone discharge outlet near the lower side of the other end.

[0029] The beneficial effect of the further scheme is that during the operation, the direction of the air guide cylinder can be adjusted according to the requirement, so as to meet different operation requirements; in addition, the stone discharge outlet is arranged at the other end of the air guide cylinder, so that the stones in the sugarcane leaves can be quickly removed when the sugarcane leaves are discharged, and the impurity removal is convenient.

[0030] The application discloses a sugarcane harvester comprising the novel double-fan structure.

[0031] The beneficial effect of the further scheme is that the application provides a sugarcane harvester, which has simple structure and reasonable design, and the double fans are matched with the thrower and the separator, so that the effective wind area is increased, the impurity rate and the loss rate are effectively reduced, the fan shaft is transversely arranged, the left and right bearings are used for bearing, the rotation is more stable, the cost is reduced, the sugarcane leaves can be recycled twice, the environmental pollution is reduced, one machine has multiple functions, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 Fig. 1 is a schematic view of the three-dimensional structure of the application;

[0033] Figure 2 Fig. 2 is another schematic view of the three-dimensional structure of the application;

[0034] Figure 3 Fig. 3 is a top view of the application;

[0035] Figure 4 Fig. 4 is a schematic view of the internal structure of the application;

[0036] Figure 5 Fig. 5 is another schematic view of the internal structure of the application;

[0037] Figure 6 Fig. 6 is a schematic view of the internal structure of the application;

[0038] Figure 7 Fig. 7 is a schematic view of the internal structure of the application;

[0039] Figure 8 Fig. 8 is a schematic view of the internal structure of the left fan and the air guide cylinder in the application.

[0040] The attached diagram lists the components represented by each number as follows:

[0041] 1. Casing; 2. Left fan; 3. Right fan; 4. Throwing plate; 5. Separating rod; 6. Spiral rod; 7. Cutter assembly; 8. Left connecting ring; 9. Right connecting ring; 10. Air guide tube; 11. Air guide cover; 12. Stone discharge port. Detailed Implementation

[0042] It should be noted that, unless otherwise specified, the embodiments and features described in the present invention can be combined with each other.

[0043] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the invention. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this invention, unless otherwise stated, "a plurality of" means two or more.

[0044] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art will understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0045] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0046] Example 1

[0047] like Figures 1 to 8As shown, the embodiment provides a new double-fan structure, which comprises a shell 1, a left fan 2, a right fan 3 and a throwing and separating mechanism. The left end of the shell 1 is provided with a left opening penetrating in and out, the right end of the shell 1 is provided with a right opening penetrating in and out, and the left opening and the right opening are oppositely distributed. The shell 1 is further provided with a material inlet, and the bottom of the shell 1 is provided with a material outlet. The left fan 2 is fixedly installed at the left opening, and the upper side of the left fan 2 is provided with an impurity outlet. The right fan 3 is fixedly installed at the right opening. The throwing and separating mechanism is installed in the shell 1 and close to the material inlet.

[0048] During operation, first, the material is sent into the shell 1 from the material inlet in a manner that can be thought of by those skilled in the art. Then, the material is thrown and separated by the throwing and separating mechanism. At the same time, the material is separated from the impurities by the operation of the left fan 2 and the right fan 3. The material falls downward and is discharged from the material outlet, and the impurities are discharged from the impurity outlet, so as to realize the rapid separation of the material and the impurities, realize the rapid harvesting of the material, and reduce the impurity rate.

[0049] Preferably, in the embodiment, the shell 1 is preferably a cylindrical shell.

[0050] Based on the above scheme, the left and right of the right fan 3 form axial (i.e. the above left and right directions) separation wind. The sugarcane with relatively heavy weight falls downward under the action of its own gravity, and the impurities with relatively light weight move to the left under the action of the wind force of the right fan 3. Then, the left fan 2 forms a centrifugal wind, which sends the impurities out from the impurity outlet. Therefore, the left fan 2 and the right fan 3 have different effects and cannot be interchanged.

[0051] It should be noted that the new double-fan structure provided by the embodiment is mainly used for harvesting sugarcane, but is not limited to harvesting sugarcane, and can also be applied to other suitable materials for harvesting.

[0052] The embodiment has simple structure and reasonable design. The double fans cooperate with the thrower and the separator, increase the effective wind area, effectively reduce the impurity rate and loss rate, and are easy to use.

[0053] Embodiment 2

[0054] Based on the embodiment 1, in the embodiment, the throwing and separating mechanism comprises a thrower and a separator. The thrower is fixedly installed in the shell 1 and close to the material inlet. The separator is fixedly installed in the shell 1 and is located on the side of the thrower away from the material inlet, and is used for separating the material sent by the thrower.

[0055] During operation, after the material is sent into the shell 1, the material is first thrown by the thrower, and then is thrown and separated by the separator, so as to realize the separation of the material and avoid the material sticking together, thereby improving the subsequent impurity removal effect.

[0056] Embodiment 3

[0057] In this embodiment, the thrower comprises a hydraulic motor, a rotating shaft and a plurality of

[0058] The thrower

[0059] The plate 4 is installed in the housing 1 horizontally along the left-right direction (the left-right direction here is adapted to the left-right direction in which the left fan 2 and the right fan 3 are distributed); the plurality of thrower plates 4 are fixedly installed on the rotating shaft uniformly and spaced apart along the circumferential direction of the rotating shaft, and respectively extend along the axial direction of the rotating shaft; the hydraulic motor is fixedly installed on the housing 1, and the driving end thereof extends along the axial direction of the rotating shaft and is fixedly connected to one end of the rotating shaft.

[0060] During operation, the material is fed into the housing 1 through the material inlet, and at the same time, the hydraulic motor drives the rotating shaft to rotate, so that the plurality of thrower plates 4 on the rotating shaft are rotated to throw the material to the separator, thereby achieving the conveying of the material and separating the material to a certain extent.

[0061] Preferably, each of the thrower plates 4 is preferably a long strip-shaped rectangular plate structure, one side of which is fixedly connected to the rotating shaft, and the other side thereof extends along the axial direction of the rotating shaft.

[0062] Embodiment 4

[0063] In this embodiment, the separator comprises a plurality of separation rod assemblies, and the plurality of separation rod assemblies are installed in the housing 1 spaced apart along the direction in which the material is thrown; each separation rod assembly comprises a plurality of separation rods 5, and the plurality of separation rods 5 are fixedly installed in the housing 1 uniformly and spaced apart along the left-right direction and vertically, and the plurality of separation rods 5 in adjacent two separation rod assemblies are distributed alternately.

[0064] During operation, the material is fed into the housing 1 through the material inlet, and the thrower is thrown to the separator, and the plurality of separation rods 5 in the plurality of separation rod assemblies sequentially separate the material, thereby achieving the rapid separation of the material.

[0065] In addition, the plurality of separation rods 5 in the plurality of separation rod assemblies are alternately distributed, the distribution is reasonable, the degree of separation of the material can be improved, so that the subsequent separation of the material and impurities can be achieved, and the impurity content can be reduced.

[0066] Preferably, in this embodiment, the separation rod assembly is preferably two groups, the separation rod assembly close to the thrower comprises three separation rods 5, and the separation rod assembly away from the thrower comprises two separation rods 5, and the two separation rods 5 are respectively opposite the region between the three separation rods 5 in the separation rod assembly close to the thrower.

[0067] It should be noted that the number of separation rods 5 in the plurality of separation rod assemblies can be the same or different.

[0068] Embodiment 5

[0069] On the basis of the above embodiments, in this embodiment, the opposite ends of the central shafts of the left fan 2 and the right fan 3 extend into the shell 1 and are connected through bearings, and the central shafts of the left fan 2 and the right fan 3 are fixedly installed on the parts extending into the shell 1.

[0070] This scheme has simple structure and reasonable design, the central shafts of the left fan 2 and the right fan 3 are supported through bearings, and rotation is more stable, thereby reducing manufacturing and maintenance costs.

[0071] Based on the above scheme, the left end of the central shaft of the left fan 2 and the right end of the central shaft of the right fan 3 are respectively connected with the fan housings through bearings, the right end of the central shaft of the left fan 2 is fixedly connected with the outer ring of the bearing of the bearing located in the middle, and the left end of the central shaft of the right fan 3 is fixedly connected with the inner ring of the bearing of the bearing located in the middle. During operation, the rotational speeds of the left fan 2 and the right fan 3 are different.

[0072] Embodiment 6

[0073] On the basis of the above embodiments, in this embodiment, the left fan 2 is a centrifugal fan, and the right fan 3 is an axial flow fan.

[0074] During operation, the right fan 3 adopts a horizontal axial flow fan to provide lateral wind force to quickly separate the sugarcane and impurities, and the left fan 2 is a horizontal centrifugal fan to quickly discharge and collect the separated sugarcane leaves, thereby serving as green storage for secondary utilization. The structure is simple and reasonable.

[0075] Preferably, in this embodiment, the left fan 2 and the right fan 3 are respectively arranged horizontally.

[0076] Embodiment 7

[0077] On the basis of the above embodiments, in this embodiment, the impurity outlet has a structure of being narrow at the lower side and wide at the upper side, and a cutter assembly 7 for cutting the chopped impurities is fixedly installed at the impurity outlet.

[0078] This scheme has simple structure and reasonable design, the impurity outlet has a structure of being narrow at the lower side and wide at the upper side, which facilitates the discharge of sugarcane leaves; at the same time, the cutter assembly 7 is used to cut the sugarcane leaves, so as to quickly collect the sugarcane leaves for serving as green storage for secondary utilization.

[0079] Preferably, in this embodiment, the cutter assembly 7 includes a plurality of cutter blades, and the plurality of cutter blades are uniformly and spacedly arranged along the axial direction of the left fan 2.

[0080] In addition, each cutter blade has a structure of thick at one end and thin at the other end, and the thick end is fixedly connected with the corresponding shell.

[0081] Embodiment 8

[0082] On the basis of the above embodiments, in the present embodiment, the left opening is connected with the left fan 2 through the left connecting ring 8 and / or the right opening is connected with the right fan 3 through the right connecting ring 9, and the left connecting ring 8 and the right connecting ring 9 respectively have a structure of thin at one end and thick at the other end, and the inside thereof is inclined, and the thick end thereof is respectively connected with the left opening and the right opening and the thin end thereof is respectively connected with the left fan 2 and the right fan 3.

[0083] The structure design can make the sugarcane falling into the left fan 2 and the right fan 3 during the separation process quickly fall back into the shell 1, reduce the loss rate of the sugarcane, and has a high harvesting rate.

[0084] Based on the above scheme, the left connecting ring 8 and the right connecting ring 9 are respectively integrally formed with the shell 1.

[0085] Embodiment 9

[0086] On the basis of the above embodiments, in the present embodiment, the impurity opening is provided with a wind guide cylinder 10, one end of the wind guide cylinder 10 is rotatably connected with the impurity opening and is positioned, the other end thereof extends upwardly and obliquely and is reversibly connected with a wind guide cover 11 which is positioned; a stone discharge port 12 is arranged on the inner wall of the wind guide cylinder 10 close to the lower side of the other end thereof.

[0087] During operation, the direction of the wind guide cylinder 10 can be adjusted according to the needs in order to meet different operation needs; in addition, the stone discharge port 12 is arranged at the other end of the wind guide cylinder 10, so that the stones in the sugarcane leaves can be quickly removed when the sugarcane leaves are discharged, and the impurity removal is convenient.

[0088] Preferably, in the present embodiment, the wind guide cylinder 10 has an arc-shaped cylindrical structure, so as to avoid the sugarcane leaves falling back into the shell 1.

[0089] Preferably, in the present embodiment, one end of the wind guide cylinder 10 is horizontally rotatably connected with the impurity opening through a rotating disc, and a gear one is fixedly arranged on the one end of the wind guide cylinder 10; a hydraulic motor is fixedly arranged on the shell 1, the driving end of the hydraulic motor is vertically upwardly, and a gear two is arranged thereon, and the gear two and the gear one are connected through chain transmission. During operation, the gear two is driven to rotate by the hydraulic motor, the gear two drives the gear one and the wind guide cylinder 10 to rotate through the chain, so as to adjust the position of the discharge port of the wind guide cylinder 10, i.e. the other end thereof, so as to directly discharge the sugarcane to the farmland or to the collection vehicle.

[0090] Preferably, in this embodiment, the two sides of one end of the wind scooper 11 are rotatably connected to the two sides of the other end of the wind scoop 10 through a pin shaft, and a bolt is threadedly connected thereon; in addition, any one side of the other end of the wind scoop 10 is provided with an opening matched with the rotating track of the wind scooper 11, and one end of the bolt passes through the opening and is threadedly provided with a nut.

[0091] It should be noted that under the action of wind force, the heavy stones fall downward and are discharged from the stone discharge port 12, and the light sugarcane leaves are discharged from the wind scooper 11.

[0092] In addition, the wind scoop 10 can rotate by itself, but will not affect the connection and sealing between the one end thereof and the impurity opening.

[0093] Embodiment 10

[0094] On the basis of the above-mentioned embodiments, the present embodiment further provides a sugarcane harvester comprising the novel double-fan structure as described above.

[0095] The present embodiment provides a sugarcane harvester, which has simple structure and reasonable design, and the double fans cooperate with the thrower and the separator to increase the effective wind area and effectively reduce the impurity content and loss rate; at the same time, the fan shaft is transversely arranged, and the left and right bearings bear, so that the rotation is more stable and the cost is reduced; in addition, the sugarcane leaves can be recycled twice to reduce environmental pollution, and one machine can be used for multiple purposes and is convenient to use.

[0096] The working principle of the present application is as follows:

[0097] Firstly, the cut section mechanism on the sugarcane harvester sends the cut sectioned sugarcane from the material inlet into the shell;

[0098] Secondly, the rotating shaft is driven to rotate by the hydraulic motor, and the rotating shaft drives the plurality of throw plates 4 thereon to rotate to throw the material to the separator to realize the conveying of the material;

[0099] Thirdly, the plurality of separation rods 5 in the plurality of separation rod assemblies sequentially separate the material to realize the rapid separation of the material, and then the spiral rod 6 further separates the sugarcane and impurities; at the same time, the left fan 2 and the right fan 3 simultaneously work, the right fan 3 adopts a transversely arranged axial flow fan to provide lateral wind force to rapidly separate the sugarcane and impurities, and the sugarcane is discharged from the material outlet; in addition, the sugarcane leaves are conveyed upward by the left fan 2 and are cut by the cutter assembly 7, and finally are discharged and collected by the wind scoop 10 to serve as green storage for secondary utilization.

[0100] The advantages of the present application are as follows:

[0101] 1. Dual fans, combined with spraying and separation devices, increase the effective windward area and effectively reduce impurity content and loss rate.

[0102] 2. The fan shaft is horizontally positioned, with dual bearings on the left and right sides for load bearing, resulting in more stable rotation and reduced manufacturing and maintenance costs.

[0103] 3. The secondary recycling of sugarcane leaves reduces environmental pollution, allows for multiple uses of the machine, and increases economic benefits.

[0104] It should be noted that all electronic components involved in this invention adopt existing technology, and all the above-mentioned components are electrically connected to the controller, and the control circuit between the controller and each component is existing technology.

[0105] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0106] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0107] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A new dual fan structure, characterized by: Including shell (1), left fan (2), right fan (3) and throw division mechanism, the left end of the shell (1) is equipped with inside and outside through left opening, the right end of the shell (1) is equipped with inside and outside through right opening, the left opening and the right opening are opposite distribution;The shell (1) is also provided with material inlet, and its bottom is provided with material outlet;The left fan (2) is fixedly installed at the left opening, and its upper side is provided with impurity outlet, the right fan (3) is fixedly installed at the right opening, the throw division mechanism is installed in the shell (1) and is close to the material inlet part; The throw division mechanism includes thrower and separator, the thrower is fixedly installed in the shell (1) and is close to the material inlet;The separator is fixedly installed in the shell (1), which is located on the side of the thrower away from the material inlet, for separating the material sent by the thrower; The separator includes a plurality of separation rod assemblies, a plurality of the separation rod assemblies are installed in the shell (1) along the direction of material throwing;Each of the separation rod assemblies includes a plurality of separation rods (5), a plurality of the separation rods (5) are uniformly spaced and vertically fixedly installed in the shell (1) along the left-right direction, and a plurality of the separation rods (5) in adjacent two separation rod assemblies are staggered distribution.

2. The new twin-fan structure according to claim 1, characterized in that: The thrower includes hydraulic motor, rotating shaft and a plurality of throw plates (4), the rotating shaft is installed in the shell (1) and rotates horizontally along the left-right direction of the shell (1);A plurality of the throw plates (4) are uniformly spaced and fixedly installed on the rotating shaft along the circumferential direction of the rotating shaft, and respectively extend along the axial direction of the rotating shaft;The hydraulic motor is fixedly installed on the shell (1), and the driving end thereof extends along the axial direction of the rotating shaft and is fixedly connected with one end of the rotating shaft.

3. The new twin-fan structure according to claim 1 or 2, characterized in that: The opposite ends of the central shaft of the left fan (2) and the central shaft of the right fan (3) respectively extend into the shell (1) and are connected through bearings, and a screw rod (6) is fixedly installed on the part of the central shaft of the left fan (2) and the central shaft of the right fan (3) extending into the shell (1).

4. The new twin-fan structure according to claim 1 or 2, characterized in that: The left fan (2) is a centrifugal fan, and the right fan (3) is an axial fan.

5. The new twin-fan structure according to claim 1 or 2, characterized in that: The impurity outlet has a structure of narrow lower side and wide upper side, and a cutter assembly (7) for cutting impurities is fixedly installed at the impurity outlet.

6. The new twin-fan structure according to claim 1 or 2, characterized in that: The left opening is connected with the left fan (2) through a left connecting ring (8), and / or the right opening is connected with the right fan (3) through a right connecting ring (9), and the left connecting ring (8) and the right connecting ring (9) respectively have a structure of thin one end and thick other end, are inclined inside, and the thick ends thereof are connected with the left opening and the right opening respectively and the thin ends thereof are connected with the left fan (2) and the right fan (3) respectively.

7. The new twin-fan structure according to claim 1 or 2, characterized in that: The impurity outlet is provided with a wind funnel (10), one end of the wind funnel (10) is rotatably connected with the impurity outlet and is positioned, the other end of the wind funnel (10) extends upwardly and is reversibly connected with a wind cover (11); the inner wall of the wind funnel (10) is provided with a stone discharge outlet (12) near the lower side of the other end of the wind funnel (10).

8. A sugar cane harvester characterised by: The new double-fan structure as claimed in any one of claims 1 to 7.

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