阅读说明：本技术 脱出物自适应均布的收割机及其调节方法 (Harvester with self-adaptive and uniformly distributed threshed objects and adjusting method thereof ) 是由 谢方平 康家鑫 李旭 钟嘉雄 李奇 王修善 陈志刚 于 2021-06-22 设计创作，主要内容包括：本发明提出一种脱出物自适应均布的收割机及其调节方法,所述收割机包括第一压力检测件和控制单元；第一压力检测件检测喂入收割机内的物料对过桥产生的第一压力值；控制单元与第一压力检测件连接并接收第一压力值,控制单元与凹板筛调节组件信号连接并根据第一压力值控制凹板筛调节组件以调节脱粒室内多处的脱粒间隙。本发明中,由于脱粒室内各处的脱粒间隙大小不同时,脱粒室内各处的脱出率不同,进而使脱粒室内各处脱出的脱出物质量不同,因此,通过第一压力检测件检测喂入的物料的第一压力值,控制单元根据第一压力值调节脱粒室内多处的脱粒间隙,能使脱出物的质量分布规律与气流场的强度分布规律相同,具有操作简单、快捷且工作效率高的优点。(The invention provides a harvester with self-adaptive and uniform-distributed threshed objects and an adjusting method thereof, wherein the harvester comprises a first pressure detection piece and a control unit; the first pressure detection piece detects a first pressure value of a material fed into the harvester to the gap bridge; the control unit is connected with the first pressure detection part and receives the first pressure value, and the control unit is in signal connection with the concave screen adjusting component and controls the concave screen adjusting component according to the first pressure value so as to adjust threshing gaps at multiple positions in the threshing chamber. According to the invention, because the threshing gaps at different positions in the threshing chamber are different in size, the threshing rates at different positions in the threshing chamber are different, and further the qualities of the threshed materials at different positions in the threshing chamber are different, the first pressure value of the fed material is detected by the first pressure detecting piece, the control unit adjusts the threshing gaps at multiple positions in the threshing chamber according to the first pressure value, so that the quality distribution rule of the threshed materials is the same as the strength distribution rule of the airflow field, and the threshing device has the advantages of simplicity in operation, quickness and high working efficiency.)

1. A reaper with self-adaptive and uniform distribution of threshed objects is characterized by comprising a first pressure detection piece (1) and a control unit; the first pressure detection piece (1) is arranged on a gap bridge (2) of the harvester and is used for detecting a first pressure value of a material fed into the harvester on the gap bridge (2); the control unit is in signal connection with the first pressure detection piece (1) and used for receiving the first pressure value, and the control unit is further in signal connection with a concave screen adjusting assembly (3) of the harvester and controls the concave screen adjusting assembly (3) according to the first pressure value so as to adjust threshing gaps at multiple positions in the threshing chamber.

2. The adaptive, even-distributed thresher harvester according to claim 1, characterized in that said first pressure detecting member (1) comprises a parallel beam sensor (101) and a loading member (102); the parallel beam sensor (101) is connected to one side, deviating from the inner space of the harvester, of the gap bridge (2), the loading piece (102) is arranged on one side, facing the inner space of the harvester, of the gap bridge (2), and the loading piece (102) is connected with the parallel beam sensor (101) and used for transmitting pressure, generated by materials on the gap bridge (2), to the elastic body of the parallel beam sensor (101) so that the elastic body can be elastically deformed.

3. The adaptive and uniform thresher harvester according to claim 2, characterized in that said loading member (102) is a hood with a housing space facing said parallel beam sensor (101).

4. The adaptive, stand-off harvester according to claim 1, characterized in that the concave screens (4) of the harvester comprise a left concave screen (401) and a right concave screen (402); the left concave screen (401) is positioned at the left side of a threshing cylinder (5) of the harvester, and the right concave screen (402) is positioned at the right side of the threshing cylinder (5); the concave plate sieve adjusting component (3) is arranged on a frame (6) of the harvester and is used for respectively adjusting a threshing gap between the left concave plate sieve (401) and the threshing cylinder (5) and a threshing gap between the right concave plate sieve (402).

5. A harvester with adaptive and uniform thresher, according to claim 4, characterized in that one end of the left concave sieve (401) is hinged to the left side of the frame (6), one end of the right concave sieve (402) is hinged to the right side of the frame (6), and the other end of the left concave sieve (401) and the other end of the right concave sieve (402) both extend below the threshing cylinder (5).

6. A harvester with adaptive and uniform cuttings according to claim 5, characterised in that said pit sieve conditioning assembly (3) comprises a pair of pit sieve drives (301); one of the deck screen driving members (301) is connected to the left side of the frame (6) and is used for driving the left deck screen (401) to rotate around the hinge point thereof; the other concave screen driving member (301) is connected to the right side of the frame (6) and is used for driving the right concave screen (402) to rotate around a hinge point of the right concave screen driving member.

7. A harvester with adaptive and uniform threshing according to claim 6, characterised in that the sieve concave drive (301) is an electric cylinder and the driving direction of the electric cylinder coincides with the radial direction of the threshing cylinder (5).

8. The adaptive and uniform thresher harvester according to claim 7, characterized in that a second pressure detector (7) for detecting a second pressure value of the thresher on the left concave screen (401) is connected between the electric cylinder connected to the left side of the frame (6) and the left concave screen (401); a third pressure detection piece (8) for detecting a third pressure value generated by the stripping to the right concave screen (402) is connected between the electric cylinder connected to the right side of the frame (6) and the right concave screen (402); the second pressure detection piece (7) and the third pressure detection piece (8) are in signal connection with the control unit.

9. The self-adaptive equispaced harvester for the threshed objects according to any one of the claims 4 to 8, characterized in that a baffle (9) for preventing the materials from entering the cleaning device is connected between the left concave sieve (401) and the right concave sieve (402); the baffle plate (9) comprises a first plate body (901) and a second plate body (902) which are hinged, the first plate body (901) is hinged with the left concave sieve (401), and the second plate body (902) is hinged with the right concave sieve (402).

10. A method for adjusting a harvester with self-adaptive and uniform-distributed threshed objects, which is characterized by being applied to the harvester with self-adaptive and uniform-distributed threshed objects as claimed in any one of claims 1 to 9; the method comprises the following steps:

s1: feeding materials into the harvester, wherein a first pressure detection piece (1) detects a first pressure value generated by the fed materials to a gap bridge (2);

s2: the control unit receives the first pressure value and controls the concave screen adjusting component (3) according to the first pressure value so that the concave screen (4) is located at a first position corresponding to the first pressure value, and therefore adjustment of multiple threshing gaps in the threshing chamber and adjustment of the distribution state of threshed objects in the concave screen (4) are completed.

Technical Field

The invention relates to the technical field of harvesters, in particular to a harvester with self-adaptive and uniform distributed threshed objects and an adjusting method of the harvester with self-adaptive and uniform distributed threshed objects.

Background

In the prior art, under the combined action of a concave sieve and a threshing cylinder, materials are threshed to obtain threshed materials, and an airflow field is introduced into a threshing chamber, so that sundries in the threshed materials can be blown out, and the subsequent cleaning effect can be further ensured. The mass distribution rule of the threshed objects in the concave plate sieve is the same as the intensity distribution rule of the airflow field, so that the phenomenon that seeds and sundries are blown out of the threshing chamber by the airflow field with high intensity can be avoided, the waste of the seeds is reduced, and in addition, the subsequent cleaning effect and cleaning efficiency can be improved.

Because the quality distribution rules of the threshed objects of different crops are different, the subsequent cleaning effect and cleaning efficiency can be improved by changing the intensity distribution rule of the airflow field when different crops are harvested. However, before crops different from the crops harvested last time are harvested, the shape of the fan blade needs to be changed to change the intensity distribution rule of the airflow field, and the mode has the defects of complex operation process and low working efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a harvester with simple operation and high work efficiency and a regulating method thereof, wherein the harvester is used for self-adaptively and uniformly distributing threshed objects.

In order to solve the technical problems, the invention adopts the following technical scheme:

a reaper with self-adaptive and uniform distribution of threshed objects comprises a first pressure detection piece and a control unit; the first pressure detection piece is arranged on a gap bridge of the harvester and is used for detecting a first pressure value of a material fed into the harvester on the gap bridge; the control unit is in signal connection with the first pressure detection piece and used for receiving the first pressure value, and the control unit is further in signal connection with a concave plate sieve adjusting assembly of the harvester and controls the concave plate sieve adjusting assembly to adjust threshing gaps at multiple positions in the threshing chamber according to the first pressure value.

The first pressure detection part comprises a parallel beam sensor and a loading part; the parallel beam sensor is connected with one side of the gap bridge, which deviates from the inner space of the harvester, the loading piece is arranged on one side of the gap bridge, which faces the inner space of the harvester, and the loading piece is connected with the parallel beam sensor and used for transmitting the pressure generated by the material to the gap bridge to the elastomer of the parallel beam sensor so as to enable the elastomer to generate elastic deformation.

The loading piece is a cover body, and the accommodating space of the cover body faces the parallel beam sensor.

The concave plate sieve of the harvester comprises a left concave plate sieve and a right concave plate sieve; the left concave sieve is positioned on the left side of a threshing cylinder of the harvester, and the right concave sieve is positioned on the right side of the threshing cylinder; the concave plate sieve adjusting component is arranged on a frame of the harvester and is used for respectively adjusting a threshing gap between the left concave plate sieve and the threshing cylinder and a threshing gap between the right concave plate sieve and the threshing cylinder.

One end of the left concave plate sieve is hinged to the left side of the rack, one end of the right concave plate sieve is hinged to the right side of the rack, and the other end of the left concave plate sieve and the other end of the right concave plate sieve both extend to the lower side of the threshing cylinder.

The pocket screen adjustment assembly includes a pair of pocket screen drives; the concave screen driving part is connected to the left side of the frame and used for driving the left concave screen to rotate around a hinge point of the left concave screen driving part; and the other concave screen driving part is connected to the right side of the frame and is used for driving the right concave screen to rotate around a hinge point of the right concave screen driving part.

The concave sieve driving piece is an electric cylinder, and the driving direction of the electric cylinder is coincided with the radial direction of the threshing cylinder.

A second pressure detection piece for detecting a second pressure value of the stripping to the left concave plate sieve is connected between the electric cylinder connected to the left side of the frame and the left concave plate sieve; a third pressure detection piece for detecting a third pressure value generated by the educt on the right concave plate sieve is connected between the electric cylinder connected to the right side of the frame and the right concave plate sieve; the second pressure detection piece and the third pressure detection piece are in signal connection with the control unit.

A baffle plate used for preventing materials from entering the cleaning device is connected between the left concave plate sieve and the right concave plate sieve; the baffle includes articulated first plate body and second plate body, and first plate body with left recess sieve is articulated, the second plate body with right recess sieve is articulated.

A regulating method of a harvester with self-adaptive and uniform distribution of threshed objects is applied to the harvester with self-adaptive and uniform distribution of threshed objects; the method comprises the following steps:

s1: feeding materials into the harvester, wherein a first pressure detection piece detects a first pressure value generated by the fed materials to a gap bridge;

s2: the control unit receives the first pressure value and controls the concave screen adjusting component according to the first pressure value so that the concave screen is located at a first position corresponding to the first pressure value, and therefore adjustment of multiple threshing gaps in the threshing chamber and adjustment of the distribution state of threshed objects in the concave screen are completed.

Compared with the prior art, the invention has the advantages that: because the threshing gaps at different positions in the threshing chamber are different in size, the threshing rates at different positions in the threshing chamber are different, and the qualities of the threshed materials at different positions in the threshing chamber are different, the first pressure value of the fed material is detected by the first pressure detecting piece, the control unit adjusts the threshing gaps at multiple positions in the threshing chamber according to the first pressure value, so that the quality distribution law of the threshed materials is the same as the strength distribution law of the airflow field, and the threshing device has the advantages of simplicity and quickness in operation and high working efficiency; in addition, the invention is not limited to the harvesting of single crops, not only has the advantage of high universality, but also can further improve the working efficiency.

Drawings

FIG. 1 is a schematic view of the installation of a first pressure sensing member according to the present invention;

FIG. 2 is a schematic view showing the installation of a second pressure detecting member and a third pressure detecting member in the present invention;

FIG. 3 is an enlarged partial schematic view of FIG. 2 at A;

FIG. 4 is a schematic view of a portion of the enlarged structure at B in FIG. 2;

fig. 5 is a flow chart of the adjustment method of the present invention.

The reference numerals in the figures denote: 1. a first pressure detecting member; 101. a parallel beam sensor; 102. a loading member; 2. bridging; 3. a concave screen adjustment assembly; 301. a concave screen drive; 4. a concave plate sieve; 401. a left concave screen; 402. a right concave plate sieve; 5. a threshing cylinder; 6. a frame; 7. a second pressure detecting member; 8. a third pressure detecting member; 9. a baffle plate; 901. a first plate body; 902. a second plate body.

Detailed Description

The invention will be described in further detail below with reference to the drawings and specific examples.

Harvester embodiment with self-adaptive and uniformly distributed threshed objects

Referring to fig. 1-4, the harvester with self-adaptive and uniform-distributed threshed objects comprises a first pressure detection part 1 and a control unit; the first pressure detection piece 1 is arranged on a gap bridge 2 of the harvester and is used for detecting a first pressure value of a material fed into the harvester on the gap bridge 2; the control unit is in signal connection with the first pressure detection piece 1 and used for receiving the first pressure value, and the control unit is further in signal connection with a concave plate sieve adjusting assembly 3 of the harvester and controls the concave plate sieve adjusting assembly 3 according to the first pressure value so as to adjust threshing gaps at multiple positions in the threshing chamber. Because the threshing gaps at different positions in the threshing chamber are different in size, the threshing rates at different positions in the threshing chamber are different, and the qualities of threshed objects at different positions in the threshing chamber are different, the first pressure value of fed materials is detected by the first pressure detecting piece 1, the control unit adjusts the threshing gaps at multiple positions in the threshing chamber according to the first pressure value, so that the quality distribution law of the threshed objects is the same as the strength distribution law of the airflow field, and the threshing device has the advantages of simplicity and quickness in operation and high working efficiency; in addition, the invention is not limited to the harvesting of single crops, not only has the advantage of high universality, but also can further improve the working efficiency.

Specifically, the first pressure detecting member 1 includes a parallel beam sensor 101 and a loading member 102; the parallel beam sensor 101 is connected to one side of the gap bridge 2 departing from the inner space of the harvester, the loading piece 102 is arranged on one side of the gap bridge 2 facing the inner space of the harvester, and the loading piece 102 is connected with the parallel beam sensor 101 and used for transmitting the pressure of the material on the gap bridge 2 to the elastic body of the parallel beam sensor 101 so as to enable the elastic body to generate elastic deformation. Further, both ends of the parallel beam sensor 101 are connected to the bridge 2, and the loading member 102 is connected to the elastic body. The detection principle of the first pressure detection piece 1 is as follows: the material on the gap bridge 2 generates pressure to the loading part 102, the loading part 102 transmits the pressure to the elastic body, the elastic body generates elastic deformation, and the conversion element arranged on the elastic body also generates deformation along with the elastic deformation, after the conversion element deforms, the resistance value of the conversion element changes (increases or decreases), and then the resistance change is converted into an electric signal (voltage or current) through a corresponding measuring circuit, so that the process of converting the external force into the electric signal is completed. Preferably, the loading member 102 is a cover, and the accommodating space of the cover faces the parallel beam sensor 101. The loading part 102 adopts a cover body structure, so that materials, water or other impurities on the gap bridge 2 can be prevented from contacting the parallel beam sensor 101, the parallel beam sensor 101 can be protected, and the service life of the parallel beam sensor 101 is prolonged.

Specifically, the concave sieve 4 of the harvester includes a left concave sieve 401 and a right concave sieve 402; the left concave sieve 401 is positioned at the left side of a threshing cylinder 5 of the harvester, and the right concave sieve 402 is positioned at the right side of the threshing cylinder 5; the concave screen adjusting component 3 is arranged on a frame 6 of the harvester and is used for respectively adjusting the threshing gaps between the left concave screen 401 and the threshing cylinder 5 and between the right concave screen 402 and the threshing cylinder 5. Further, one end of the left concave sieve 401 is hinged to the left side of the frame 6, one end of the right concave sieve 402 is hinged to the right side of the frame 6, and the other end of the left concave sieve 401 and the other end of the right concave sieve 402 both extend to the lower side of the threshing cylinder 5. The pocket screen adjustment assembly 3 includes a pair of pocket screen drives 301; one of the deck screen drives 301 is connected to the left side of the frame 6 and is used to drive the left deck screen 401 to rotate about its own hinge point; another of the deck screen drives 301 is connected to the right side of the frame 6 and is used to drive the right deck screen 402 to rotate about its own hinge point. The left concave sieve 401 and the right concave sieve 402 are adopted to replace the traditional integrated concave sieve, and then the relative positions of the left concave sieve and the right concave sieve and the threshing cylinder 5 are respectively adjusted through the concave sieve adjusting assembly 3 so as to adjust the threshing gaps at the left side, the right side and the bottom of the threshing cylinder 5, thereby being convenient for achieving the purpose of enabling the size distribution rule of the threshing gaps at each position in the threshing chamber to be the same as the strength distribution rule of the airflow field; in addition, the threshing gap between the left concave sieve 401 and the threshing cylinder 5 and the threshing gap between the right concave sieve 402 have a wide range of variation, so the invention has the advantage of wide application range.

In particular, the recess screen drive 301 is an electric cylinder, and the driving direction of the electric cylinder coincides with the radial direction of the threshing cylinder 5. Further, a second pressure detecting part 7 for detecting a second pressure value of the escapement on the left concave screen 401 is connected between the electric cylinder connected to the left side of the frame 6 and the left concave screen 401; a third pressure detecting part 8 for detecting a third pressure value of the escapement on the right concave screen 402 is connected between the electric cylinder connected to the right side of the frame 6 and the right concave screen 402; the second pressure detection part 7 and the third pressure detection part 8 are in signal connection with the control unit. Through the effect of second pressure detection spare 7 with third pressure detection spare 8, can also be respectively right left side concave sieve 401 with right side concave sieve 402 carries out the secondary and detects, the rethread the control unit with concave sieve driving piece 301 realizes the fine setting, and then can improve the precision.

Specifically, a baffle 9 for preventing materials from entering the cleaning device is connected between the left concave plate sieve 401 and the right concave plate sieve 402; the baffle 9 comprises a first plate body 901 and a second plate body 902 which are hinged, the first plate body 901 is hinged to the left concave screen 401, the second plate body 902 is hinged to the right concave screen 402, and the hinged baffle 9 is applicable to asymmetric adjustment of the left concave screen and the right concave screen.

Embodiment of adjusting method of harvester with self-adaptive and uniformly distributed threshed objects

Referring to fig. 5, the adjusting method of the harvester with the self-adaptive and uniform distribution of the threshed objects is applied to the harvester with the self-adaptive and uniform distribution of the threshed objects; the method comprises the following steps:

s1: the material is fed into the harvester, and the first pressure detection part 1 detects a first pressure value generated by the fed material to the gap bridge 2.

S2: the control unit receives the first pressure value and controls the concave screen adjusting component 3 according to the first pressure value so as to enable the concave screen 4 to be located at a first position corresponding to the first pressure value, and therefore adjustment of multiple threshing gaps in the threshing chamber and adjustment of the distribution state of threshed objects in the concave screen 4 are completed.

Although the present invention has been described with reference to the preferred embodiments, it is not intended to be limited thereto. Those skilled in the art can make numerous possible variations and modifications to the present invention, or modify equivalent embodiments to equivalent variations, without departing from the scope of the invention, using the teachings disclosed above. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.