Impulse yield measuring device for combine harvester and harvester

Abstract

The utility model relates to the technical field of harvesting amount measurement of harvesters, in particular to an impulse yield measuring device for a combine harvester and a harvester. The impulse yield measuring device comprises a detection panel, a cantilever, an elastic piece, a detection circuit and a shell. The detection circuit is arranged in the shell and is used for detecting the deformation of the elastic piece; a mounting part is arranged on the shell and is used for mounting the impulse yield measuring device in the grain elevator; the elastic piece is suspended on the shell; one side, facing the coming direction of the grains, of the detection panel is an arc-shaped surface and is used for bearing the impact of the grains; the back of the detection panel is connected with one end of the cantilever, and the other end of the cantilever is connected with the surface of the elastic member. The detection panel adopts an arc-shaped surface, so that the impact of grains can be comprehensively received as much as possible; the cantilever is located on the back face of the detection panel and does not occupy the space of the bearing face of the detection panel, the space utilization rate of the detection panel is improved, impact force of grains can be better transmitted, and therefore the detection result is more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of harvester yield measurement, in particular to an impulse yield measurement device for a combine harvester and a harvester. Background Art

[0002] With the continuous development of agricultural mechanization, the way of agricultural production and harvesting has gradually changed from manual to mechanized, which has greatly improved agricultural production efficiency, and the number of various sensors on combine harvesters has also been increasing.

[0003] When a combine harvester harvests crops, it is equipped with an impulse type yield sensor, which can detect the yield trend of the harvested grain crop area. When obtaining this data, it can automatically control the harvesting operation of the harvester and reduce the driver's intensity.

[0004] Due to the limitations of the structure itself or the installation position of the existing impulse type yield sensor, the detection surface is small or the utilization rate is insufficient, resulting in a large detection error. Summary of the Utility Model

[0005] The utility model aims to improve the problem of large detection error in the background art, and provides an impulse yield measurement device for a combine harvester.

[0006] The implementation manner of the impulse yield measurement device is as follows: it includes a detection panel, a cantilever, an elastic member, a detection circuit and a housing;

[0007] The detection circuit is arranged in the housing and is used for detecting the deformation of the elastic member;

[0008] The housing is provided with an installation part for installing the impulse yield measurement device in the grain elevator;

[0009] The elastic member is suspended on the housing;

[0010] One side of the detection panel facing the direction of the incoming grain is an arc surface for receiving the impact of the grain; the back surface of the detection panel is connected to one end of the cantilever, and the other end of the cantilever is connected to the surface of the elastic member.

[0011] In a preferred implementation manner, one side of the detection panel close to the inner wall of the grain elevator is a straight plate, and from the direction close to the inner wall of the grain elevator to the direction away from the inner wall of the grain elevator, the surface of the detection panel gradually bends towards the direction of the incoming grain.

[0012] In a preferred implementation manner, the detection panel is a nylon plate.

[0013] In a preferred implementation manner, the cantilever is a straight plate, and the width of the cantilever is not less than 1 / 3 of the width of the detection panel.

[0014] In a preferred embodiment, a U-shaped base is provided on the housing, and the elastic member is in a plate structure or a beam structure and is suspended at the open end of the base.

[0015] In a preferred embodiment, the cantilever is connected to the central region of the elastic member by a plurality of first pressing plates with nuts.

[0016] In a preferred embodiment, one side edge of the elastic member is mounted on the base by a second pressing plate with a nut, and the mounting position of the other side edge is close to the detection circuit.

[0017] In a preferred embodiment, the housing is made of ABS plastic material.

[0018] The present utility model also provides a harvester, and the implementation manner is: an impulse yield measuring device as described in any one of the above is provided at the top turning position of the grain elevator, and the detection panel of the impulse yield measuring device faces the direction of the incoming grain.

[0019] In a preferred embodiment, when the scraper of the grain elevator is at the position closest to the edge of the detection panel, the gap between the scraper and the edge of the detection panel does not exceed 5 cm.

[0020] Compared with the prior art, the present utility model has the following beneficial effects:

[0021] When the combine harvester harvests crops, the impulse yield measuring device can detect the grain conveyed from the grain elevator. The grain is thrown onto the detection panel along a parabolic line and causes the elastic member to deform, so that the detection circuit outputs a corresponding voltage value. The detection panel adopts an arc surface, which can receive the impact of the grain as much as possible and comprehensively; the cantilever is located on the back of the detection panel, does not occupy the space of the receiving surface of the detection panel, improves the space utilization rate of the detection panel, and the cantilever located on the back of the detection panel can better transmit the impact force of the grain, so that the detection result is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 It is a schematic diagram of the position when the impulse yield measuring device provided by the present utility model is installed on the harvester;

[0024] Figure 2Schematic diagram of the first perspective of the impulse production measurement device provided by the present utility model;

[0025] Figure 3 Schematic diagram of the second perspective of the impulse production measurement device provided by the present utility model;

[0026] Reference numerals in the figure:

[0027] 1 - Impulse production measurement device; 2 - Grain elevator; 3 - Scraper;

[0028] 11 - Detection panel; 12 - Cantilever; 13 - First pressing plate;

[0029] 14 - Elastic member; 15 - Second pressing plate; 16 - Base;

[0030] 17 - Housing; 18 - Fixed plate. Detailed implementation manners

[0031] To make the objectives, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some but not all of the embodiments of the present utility model. The components of the embodiments of the present utility model described and labeled in the accompanying drawings can be arranged and designed in various different configurations.

[0032] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0033] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0034] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the utility model product is customarily placed during use. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions and cannot be understood as indicating or implying relative importance.

[0035] In addition, terms such as "horizontal", "vertical", "overhanging", etc. do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0036] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "coupled" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0037] The following will describe in detail some embodiments of the present utility model with reference to the drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0038] As Figures 1 to 3 shown, this embodiment provides an impulse yield measuring device 1 for a combine harvester, including a detection panel 11, a cantilever 12, an elastic member 14, a detection circuit (not shown), and a housing 17;

[0039] The detection circuit is arranged in the housing 17 and is used to detect the deformation of the elastic member 14, convert it into a voltage signal, and then process it into a digital signal by a processor and display it to the driver as a reference for the actual harvesting amount.

[0040] The housing 17 is provided with a mounting portion for mounting the impulse yield measuring device 1 in the grain elevator 2; the mounting portion usually adopts a fixing plate 18, and the impulse yield measuring device 1 is mounted on the inner wall of the grain elevator 2 through a plurality of bolts.

[0041] On one side of the housing 17 facing the direction from which the grains come, a U-shaped base 16 is provided. The elastic member 14 is in the form of a plate structure or a beam structure and is suspended at the open end of the base 16.

[0042] In this embodiment, the elastic member 14 preferably adopts a beam structure. One side edge of the elastic member 14 is mounted on the base 16 through a second pressing plate 15 with a nut, and the other side edge is arranged on one side of the base 16 close to the fixing plate 18 and close to the detection circuit, so as to transmit the deformation information of the elastic member 14 to the detection circuit.

[0043] The side of the detection panel 11 facing the direction from which the grains come is an arc surface for receiving the impact of the grains. Specifically, the side of the detection panel 11 close to the inner wall of the grain elevator 2 is a straight plate, and from the direction close to the inner wall of the grain elevator 2 to the direction away from the inner wall of the grain elevator 2, the surface of the detection panel 11 gradually bends towards the direction from which the grains come.

[0044] The detection panel 11 adopts an arc surface, which can receive the impact of the grains as much and as comprehensively as possible, thereby improving the accuracy of detection.

[0045] The back surface of the detection panel 11 is connected to one end of the cantilever 12, and the other end of the cantilever 12 is connected to the surface of the elastic member 14 in a substantially perpendicular relationship, so as to transmit the impact from the grains with the highest efficiency.

[0046] In this embodiment, the cantilever 12 is a straight plate, and the width of the cantilever 12 is not less than 1 / 3 of the width of the detection panel 11, so it has good rigidity, can provide sufficient support force for the detection panel 11, and can accurately and quickly transmit the impact force received by the detection panel 11 to the elastic member 14.

[0047] In a preferred embodiment, the detection panel 11 is a nylon plate, which has good hardness and wear resistance, can improve the accuracy of the measurement result, and can extend the service life of the impulse yield measuring device 1.

[0048] In this embodiment, the width of the detection panel 11 is about 15 cm, the arc edge length is also about 15 cm, and the thickness of the detection panel 11 is about 1 cm. This size can meet the installation requirements and the need to receive the impact of the grains, making the detection result more accurate.

[0049] In a preferred embodiment, the cantilever 12 is connected to the central region of the elastic member 14 through a plurality of first pressing plates 13 with nuts, which can make the deformation amount of the elastic member 14 proportional to the impact force received by the detection panel 11, thereby improving the accuracy of the measurement.

[0050] In this embodiment, the length of the cantilever 12 is about 8 cm and the thickness is about 1 cm, which can ensure the accuracy of the force transmission.

[0051] In a preferred embodiment, the housing 17 is made of ABS plastic material, which has good wear resistance and insulation properties.

[0052] In this embodiment, a harvester is also provided. Specifically, the impulse yield measuring device 1 is arranged at the top turning point of the grain elevator 2. The detection panel 11 of the impulse yield measuring device 1 faces the direction from which the grains come. The scraper 3 of the grain elevator 2 can transport the grain kernels to the top of the grain elevator 2 and throw them onto the detection panel 11, so that the impulse yield measuring device 1 can measure the grain quantity in real time.

[0053] In order to throw as many grains as possible onto the detection panel 11, when the scraper 3 of the grain elevator 2 is at the position closest to the edge of the detection panel 11, the gap between the scraper 3 and the edge of the detection panel 11 should be as small as possible, generally not exceeding 5 cm.

[0054] When the combine harvester harvests crops, the impulse yield measuring device 1 can detect the grains conveyed from the grain elevator 2. The grains are thrown onto the detection panel 11 along a parabolic path and cause the elastic member 14 to deform, so that the detection circuit outputs a corresponding voltage value. The detection panel 11 adopts an arc-shaped surface, which can receive the impacts of grains as much as possible and comprehensively. The cantilever 12 is located on the back of the detection panel 11, does not occupy the space of the receiving surface of the detection panel 11, improves the space utilization rate of the detection panel 11, and the cantilever 12 located on the back of the detection panel 11 can better transmit the impact force of the grains, thereby making the detection result more accurate.

[0055] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, various changes and modifications can be made to the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An impulse yield measuring device for a combine harvester, characterized in that: It includes a detection panel, a cantilever, an elastic member, a detection circuit and a housing; The detection circuit is arranged in the housing and is used to detect the deformation of the elastic member; The housing is provided with a mounting portion for mounting the impulse yield measuring device in the grain elevator; The elastic member is suspended on the housing; The side of the detection panel facing the direction of the grains is an arc-shaped surface for receiving the impact of the grains; the back side of the detection panel is connected to one end of the cantilever, and the other end of the cantilever is connected to the surface of the elastic member.

2. The impulse production measurement device according to claim 1, characterized in that: The side of the detection panel close to the inner wall of the grain elevator is a straight plate, and the surface of the detection panel gradually bends toward the direction of the grains from the direction close to the inner wall of the grain elevator to the direction away from the inner wall of the grain elevator.

3. The impulse production measurement device according to claim 1, characterized in that: The detection panel is a nylon plate.

4. The impulse production measurement device according to claim 1, characterized in that: The cantilever is a straight plate, and the width of the cantilever is not less than 1 / 3 of the width of the detection panel.

5. The impulse production measurement device according to claim 1, characterized in that: A U-shaped base is arranged on the shell, and the elastic member is a plate-shaped structure or a beam structure, and is suspended at the opening of the base.

6. The impulse production measurement device according to claim 5, characterized in that: The cantilever is connected to the central area of ​​the elastic member through a plurality of first pressing plates with nuts.

7. The impulse production measurement device according to claim 5, characterized in that: One side edge of the elastic member is installed on the base through a second pressing plate with a nut, and the installation position of the other side edge is close to the detection circuit.

8. The impulse production measurement device according to claim 1, characterized in that: The shell is made of ABS plastic.

9. A harvester, characterized in that: An impulse yield measuring device according to any one of claims 1 to 8 is arranged at the top rotation point of the grain elevator, and a detection panel of the impulse yield measuring device faces the direction of the grains.

10. The harvester according to claim 9, characterized in that: When the scraper of the grain elevator is at the position closest to the edge of the detection panel, the gap between the scraper and the edge of the detection panel does not exceed 5 cm.

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