CN219478559U - Yield measuring device, yield measuring system and combine harvester - Google Patents

Abstract

The utility model provides a yield measuring device, a yield measuring system and a combine harvester, wherein the yield measuring device comprises a weighing sensor component, a shaft pin sensor component and an auxiliary correction sensor, wherein the weighing sensor component is arranged at the bottom side of a granary component of the combine harvester so as to measure the vertical stress of the granary component, the shaft pin sensor component is arranged at the periphery side of the granary component of the combine harvester, when the harvester is in a dynamic state, the granary component can shake due to vibration of the harvester, and then the shaft pin sensor component at the periphery side of the granary component can be extruded, so that the weight of grains in the granary component can be calculated through the measured value of the shaft pin sensor component and the measured value of the weighing sensor component.

Description

Yield measuring device, yield measuring system and combine harvester

Technical Field

The utility model relates to the technical field of agricultural equipment, in particular to a yield measuring device, a yield measuring system and a combine harvester.

Background

With the development of artificial intelligence technology, unmanned technology is developed rapidly under the addition of the technology of the Internet, big data and the like at present; under the guidance of policies, the agricultural machinery industry regulates and integrates plots through planning, performs all-purpose operations such as tillage, planting, pipe harvesting and the like on unmanned agricultural machinery at a plurality of agricultural provinces, fully promotes the whole process mechanization and intellectualization of agricultural production, ensures grain yield increase, agricultural efficiency increase and farmer income increase, and improves the land utilization rate.

In order to realize unmanned accurate effect, various measuring instruments and detection equipment are required to be added to agricultural machinery, and the required detection can be realized through externally-added equipment on the basis of not changing the mechanical structure of each part, so that the main problem to be solved at present.

At present, crawler-type grain combine harvesters in domestic and foreign markets are mainly divided into a longitudinal axial flow combine harvester and a transverse axial flow combine harvester, which are both composed of a header for conveying, threshing, a granary, a chassis, an operating part, a hydraulic electric appliance and the like; crop is cut off from the cutting table and then fed into the conveying trough, the conveying trough conveying chain harrows directly convey the crop into the roller, the crop is threshed and separated by the roller and then discharged out of the machine body and enters the chopper at the tail of the machine, and the chopper chops the threshed long straw and then evenly spreads the chopped long straw into the field.

The common methods for real-time online measurement of yield of the harvester in the prior art are as follows:

first kind: real-time flow measurement and production of seeds: the strain device is arranged at the grain inlet of the granary, strain conversion is carried out into electric signal conversion to estimate grain flow when the strain sensing device is impacted by grains, and further algorithm calculation and yield measurement are carried out.

Second kind: capacitive level sensor yields: the capacitive material level sensor measuring electrode is vertically stretched into the granary and is parallel to the side wall of the granary, the grain volume is calculated according to the grain height measured by the capacitive sensor, and the yield is obtained according to the preset density.

Third kind: the weighing sensor senses yield: and (3) installing weighing sensors according to the structural design mechanical parts of the grain bin of the harvester, and obtaining the weight value of grain in the grain bin according to a certain algorithm by using data obtained by each weighing sensor.

The weight can be directly obtained by comprehensively comparing and analyzing the three methods, the weight is not indirectly measured through flow or volume, the three methods are more direct and simple, but most of the harvester in the prior art is used for measuring the yield, the weighing sensor is arranged at the bottom of a grain bin of the harvester so as to realize real-time measurement of the weight of grains in the grain bin, and the method has larger numerical error measured when the harvester is in static state and dynamic state and can not accurately measure the weight of grains in the grain bin when the harvester is in dynamic state.

Disclosure of Invention

Therefore, the technical problem to be solved by the utility model is that the weight sensor is arranged at the bottom of the grain bin of the harvester in the majority of harvester yield measurement in the prior art so as to realize real-time measurement of the weight of grains in the grain bin.

After a large number of experiments by the applicant, the weighing sensor is arranged at the bottom of the grain bin of the harvester in the prior art, when the harvester is in a static state, the weighing sensor can accurately measure the weight of grains in the grain bin, but when the harvester is in a dynamic state, the grain bin can shake due to vibration of the harvester, at the moment, the deviation between the measured value of the weighing sensor and the measured value of the harvester is large when the harvester is in the static state, namely, when the harvester is in the dynamic state, the weighing sensor arranged at the bottom of the grain bin of the harvester cannot accurately measure the weight of grains in the grain bin.

To this end, the present utility model provides a labor measuring apparatus comprising:

the weighing sensor assembly is arranged at the bottom side of the granary assembly of the combine harvester so as to measure the stress of the granary assembly in the vertical direction;

the shaft pin sensor assembly is arranged on the periphery of the granary assembly of the combine harvester so as to measure the horizontal stress of the granary assembly.

Optionally, the axle pin sensor assembly includes:

the first shaft pin sensor is arranged at one side of the granary component of the combine harvester;

the second shaft pin sensor is arranged on the other side of the granary component of the combine harvester, and the first shaft pin sensor and the second shaft pin sensor are arranged on the two opposite sides of the granary component of the combine harvester.

Optionally, a line between the first pin sensor and the second pin sensor passes through the center of gravity of the grain bin assembly.

Optionally, the first pin sensor and the second pin sensor are diagonally disposed with respect to the grain bin assembly.

Optionally, the weighing sensor assembly comprises:

the first weighing sensor is arranged on one side of the granary component, which is close to the front part of the combine harvester;

the second weighing sensor and the third weighing sensor are arranged on one side of the granary component, which is close to the rear part of the combine harvester, and are arranged in parallel.

Optionally, the device further comprises an auxiliary correction sensor, wherein the auxiliary correction sensor is arranged on a gun barrel bracket of the combine harvester so as to assist in correcting the measurement data of the weighing sensor assembly and the shaft pin sensor assembly.

The utility model provides a survey system of producing, includes survey and produce device, processing apparatus and display device, processing apparatus with survey and produce the device and be connected, in order to handle survey and produce the data that the device measured, display device with processing apparatus is connected, in order to show the data that processing apparatus obtained, survey and produce the device and be the aforesaid survey and produce the device.

A combine harvester comprises a yield measuring system, a granary component, a header conveying part, a chassis, a threshing part, a barrel support and a rear support, wherein the yield measuring system is the yield measuring system.

Alternatively, the process may be carried out in a single-stage,

a first shaft pin sensor in a yield measuring device of the yield measuring system is arranged between the granary component and the threshing part;

and a second shaft pin sensor in the yield measuring device of the yield measuring system is arranged between the granary component and the rear bracket of the combine harvester.

Optionally, the combine further comprises;

the first sensor fixing pipe is connected between a first weighing sensor and the chassis in the yield measuring device of the yield measuring system so as to fix the first weighing sensor;

the second sensor fixing tube is connected between a second weighing sensor and the chassis in the yield measuring device of the yield measuring system;

the third sensor fixing tube is connected between a third weighing sensor and the chassis in the yield measuring device of the yield measuring system;

the front fixed reinforcing plate and the rear fixed reinforcing plate are connected with the harvester chassis, and the second sensor fixing pipe and the third sensor fixing pipe are connected between the front fixed reinforcing plate and the rear fixed reinforcing plate.

The utility model provides a yield measuring device, a yield measuring system and a combine harvester, which have the following advantages:

1. the utility model provides a yield measuring device which is used for online yield measurement of a combine harvester and comprises a weighing sensor assembly, a shaft pin sensor assembly and an auxiliary correction sensor, wherein the weighing sensor assembly is arranged at the bottom side of a granary assembly of the combine harvester so as to measure the stress of the granary assembly in the vertical direction, and the shaft pin sensor assembly is arranged at the periphery side of the granary assembly of the combine harvester so as to measure the stress of the granary assembly in the horizontal direction.

According to the yield measuring device with the structure, when the harvester is in a static state, the weighing sensor arranged at the bottom side of the granary component can accurately measure the weight of grains in the granary component, when the harvester is in a dynamic state, for example, the harvester accelerates or decelerates or spans obstacles, the granary component can shake due to vibration of the harvester, the shaft pin sensor component at the periphery of the granary component can be extruded, and then the weight of the grains in the granary component can be calculated through the measured value of the shaft pin sensor component and the measured value of the weighing sensor component.

2. The utility model provides a yield measuring device, which also comprises an auxiliary correction sensor, wherein the auxiliary correction sensor is arranged on a gun barrel bracket of a combine harvester so as to carry out auxiliary correction on measurement data of a weighing sensor assembly and a shaft pin sensor assembly.

The product measuring device with the structure can measure the weight of the barrel part at the upper end of the barrel support by arranging the auxiliary correction sensor on the barrel support, and is used for carrying out auxiliary correction on the measurement data of the weighing sensor assembly and the shaft pin sensor assembly so as to reduce the influence of the barrel part on the weight measurement of grains in the granary assembly.

3. The utility model provides a yield measuring device, wherein a first shaft pin sensor and a second shaft pin sensor are arranged diagonally relative to a granary component.

According to the yield measuring device with the structure, the first shaft pin sensor and the second shaft pin sensor are arranged diagonally relative to the granary component, so that the measuring accuracy of the shaft pin sensor component to the force of the granary component in the horizontal direction can be improved.

4. The utility model provides a yield measuring system which comprises a yield measuring device, a processing device and a display device, wherein the processing device is connected with the yield measuring device to process data measured by the yield measuring device, the display device is connected with the processing device to display the data obtained by the processing device, and the yield measuring device is the yield measuring device.

The yield measuring system with the structure has all the advantages of the yield measuring device because the yield measuring device is provided.

5. The utility model provides a combine harvester which comprises a first sensor fixing pipe, a second sensor fixing pipe, a third sensor fixing pipe, a front fixing reinforcing plate and a rear fixing reinforcing plate, wherein the first sensor fixing pipe is connected between a first weighing sensor and a chassis in a yield measuring device of a yield measuring system so as to fix the first weighing sensor, the second sensor fixing pipe is connected between a second weighing sensor and the chassis in the yield measuring device of the yield measuring system, the third sensor fixing pipe is connected between a third weighing sensor and the chassis in the yield measuring device of the yield measuring system, the front fixing reinforcing plate and the rear fixing reinforcing plate are connected with the chassis of the harvester, and the second sensor fixing pipe and the third sensor fixing pipe are connected between the front fixing reinforcing plate and the rear fixing reinforcing plate.

The combine harvester of this structure through setting up first sensor fixed pipe, second sensor fixed pipe, third sensor fixed pipe, preceding fixed reinforcing plate and the fixed reinforcing plate of back, can set up first weighing sensor, second weighing sensor and third weighing sensor in the design position of granary subassembly bottom for first weighing sensor, second weighing sensor and third weighing sensor need not to carry out position determination according to chassis structure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a position of a yield measuring device in a combine harvester according to an embodiment of the utility model;

FIG. 2 is a schematic view of the position of the other side of the yield measuring device in the combine harvester according to the embodiment of the utility model;

FIG. 3 is a view of the position of a weighing sensor assembly in a labor measurement device provided in an embodiment of the utility model;

FIG. 4 is a top plan view of the position of the weighing sensor assembly in the labor measuring device provided in an embodiment of the utility model;

FIG. 5 is a diagram of a weighing sensor assembly versus a granary assembly in a yield measurement device according to an embodiment of the present utility model;

FIG. 6 is a view showing the position of a first pin sensor in a labor measuring device according to an embodiment of the present utility model;

FIG. 7 is another directional position view of a first pin sensor in a labor measuring device according to an embodiment of the present utility model;

FIG. 8 is a view of the position of the second pin sensor in the labor measuring device provided in an embodiment of the present utility model;

FIG. 9 is a view of the position of the second pin sensor in another orientation of the yield device provided in an embodiment of the present utility model;

FIG. 10 is a view showing the position of an auxiliary calibration sensor in a labor measuring device according to an embodiment of the present utility model;

reference numerals illustrate:

11-a first pin sensor; 12-a second pin sensor;

21-a first load cell; 22-a second load cell; 23-a third load cell;

3-auxiliary correction sensor;

41-granary; 42-a header conveying part; 43-chassis; 44-threshing part; 45-gun barrel; 46-a barrel holder; 47-swivel tube; 48-a rear bracket;

51-a first sensor fixing tube; 52-a second sensor mounting tube; 53-a third sensor fixing tube; 54-front fixed reinforcement plate; 55-fixing a reinforcing plate;

6-clamping plates;

7-connecting seat.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. 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 addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Example 1

After a large number of experiments by the applicant, the weighing sensor is arranged at the bottom of the grain bin of the harvester in the prior art, when the harvester is in a static state, the weighing sensor can accurately measure the weight of grains in the grain bin, but when the harvester is in a dynamic state, the grain bin can shake due to vibration of the harvester, at the moment, the deviation between the measured value of the weighing sensor and the measured value of the harvester is large when the harvester is in the static state, namely, when the harvester is in the dynamic state, the weighing sensor arranged at the bottom of the grain bin of the harvester cannot accurately measure the weight of grains in the grain bin.

Therefore, the present embodiment provides a yield measuring device for online yield measurement of a combine harvester, where the yield measuring device includes a weighing sensor assembly, a shaft pin sensor assembly and an auxiliary correction sensor 3, the weighing sensor assembly is disposed at the bottom side of a granary assembly of the combine harvester to measure the vertical stress of the granary assembly, and the shaft pin sensor assembly is disposed at the periphery of the granary assembly of the combine harvester to measure the horizontal stress of the granary assembly.

As shown in fig. 1 to 3, in this embodiment, weighing sensor assemblies are disposed at the bottom side a and the bottom side B of the barn assembly of the combine harvester, and the weighing sensor assemblies can directly measure the weight of the barn assembly in the vertical direction, which is more direct and simple, especially when the harvester is in a static state, the weighing sensor disposed at the bottom side of the barn assembly can accurately measure the weight of grains in the barn assembly.

As shown in fig. 1 and 2, in this embodiment, the pivot sensor assemblies are disposed at the C and D positions of the barn assembly of the combine harvester, when the combine harvester is in a dynamic state, the barn assembly may shake due to vibration of the combine harvester, and further the pivot sensor assemblies at the C and D positions may be extruded, and further the weight of grains in the barn assembly may be calculated through the measured values of the pivot sensor assemblies and the measured values of the weighing sensor assemblies. The pin sensor assembly and the weighing sensor assembly are sensors in the prior art, and a method for calculating data through a processor is also in the prior art, so that redundant description is omitted herein.

Wherein, supplementary correction sensor 3 sets up on barrel support 46 in fig. 1, barrel support 46 bottom mounting is in threshing part 44 top, and barrel support 46 top is used for supporting barrel spare 45, and barrel spare 45 one end is located on the granary subassembly in the harvester, and barrel spare 45 other end is taken on barrel support 46 in the harvester, through setting up supplementary correction sensor 3 on barrel support 46, can survey barrel support 46 upper end barrel spare 45's weight, be used for right weighing sensor subassembly with the supplementary correction of pivot sensor subassembly measurement data to reduce barrel spare 45 to grain weight measurement's in the granary subassembly influence. The auxiliary calibration sensor 3 is a gravity sensor, which is the prior art, and the calculation method is the prior art, so the description thereof will not be repeated here.

In this embodiment, the axle pin sensor assembly comprises a first axle pin sensor 11 and a second axle pin sensor 12, wherein the first axle pin sensor 11 is arranged between the barn 41 in the barn assembly of the combine harvester and the threshing part 44 of the combine harvester, namely at C in fig. 1; the second pin sensor 12 is arranged between the rotary member 47 in the granary assembly of the combine and the rear bracket 48 of the combine, namely, is arranged at the position D in fig. 2, so that the first pin sensor 11 and the second pin sensor 12 are arranged on two opposite sides of the granary assembly of the combine, and when the harvester is in a dynamic state, such as acceleration or deceleration of the harvester or crossing an obstacle, the granary assembly can shake due to vibration of the harvester, so that pressure is applied to the first pin sensor 11 or the second pin sensor 12 arranged on two sides of the granary assembly, the force in the horizontal direction of the granary assembly is measured through the first pin sensor 11 or the second pin sensor 12, and then the weight of grains in the granary assembly can be calculated through the measurement value of the pin sensor assembly and the measurement value of the weighing sensor assembly in a combined way, so that the error of grain weight measurement in the granary assembly when the harvester is in a dynamic state can be reduced.

In this embodiment, the first pin sensor 11 and the second pin sensor 12 are diagonally disposed with respect to the grain bin assembly.

In other embodiments, the line between the first pin sensor 11 and the second pin sensor 12 passes through the center of gravity of the grain bin assembly.

In other embodiments, the first pin sensor 11 and the second pin sensor 12 may be disposed in the middle of two opposite sides of the grain bin assembly, or the first pin sensor 11 and the second pin sensor 12 may be disposed on the same side of two opposite sides of the grain bin assembly, which may be specifically configured according to the specific structure of the grain bin assembly of the harvester.

As shown in fig. 4, in the present embodiment, the load cell assembly includes a first load cell 21, a second load cell 22 and a third load cell 23, the first load cell 21 is disposed on a side of the barn assembly near the front of the combine, the second load cell 22 and the third load cell 23 are disposed on a side of the barn assembly near the rear of the combine, and the second load cell 22 and the third load cell 23 are disposed in parallel.

The first weighing sensor 21, the second weighing sensor 22 and the third weighing sensor 23 are respectively arranged on the front side and the rear side of the granary assembly, so that the weighing sensor assembly can more accurately measure the gravity of the granary assembly in the vertical direction.

According to the yield measuring device, the maximum value and the minimum value of the grain weight in the granary component when the harvester is in a dynamic state are measured, and the value of the grain weight in the granary component when the harvester is in a static state is measured, so that the deviation rate of the grain weight in the granary component when the harvester is in a dynamic state and the grain weight in the granary component when the harvester is in a static state is calculated, and it can be understood that the grain weight in the granary component is relatively close to the actual grain weight when the harvester is in a static state, so that the lower the deviation rate is, the more accurate the yield measuring device measures data.

The calculation formula of the deviation rate is as follows:

wherein:

w is the deviation rate of the weight of grains in the granary component when the harvester is in a dynamic state and the weight of grains in the granary component when the harvester is in a static state;

gmax is the maximum value of grain weight in the granary component which is dynamically measured by the harvester;

gmi n is the minimum value of grain weight in the granary component which is dynamically measured by the harvester;

gj is the value of the grain weight in the granary component measured when the harvester is in a static state;

the test data for each group obtained from the above formula of deviation ratio calculation are shown in table 1 below:

TABLE 1 parameters of the Productivity measuring device experiments and the measured deviation rates

In table 1, the rest value Gj, the maximum value Gmax, and the minimum value Gmi n are independent variables, and the deviation ratio W is an independent variable. The smaller the deviation ratio W, the more accurate the measurement of the yield measuring device.

Table 1 summarizes test results of experimental data, it can be seen that the yield measuring device of this embodiment sets up the pivot sensor subassembly at the granary subassembly week side, sets up weighing sensor subassembly in granary subassembly bottom, sets up supplementary correction sensor 3 on barrel support 46, and the weight of grain in the granary subassembly when the harvester of measuring is in the developments, only sets up weighing sensor in the granary subassembly bottom for prior art, and the yield measuring device measurement accuracy that this embodiment provided is higher, can measure the weight of grain in the granary subassembly comparatively accurately.

Example 2

The embodiment provides a system for measuring yield, which comprises a yield measuring device, a processing device and a display device, wherein the processing device is connected with the yield measuring device to process data measured by the yield measuring device, the display device is connected with the processing device to display the data obtained by the processing device, and the yield measuring device is the yield measuring device in embodiment 1.

According to the yield measuring system, as the yield measuring device is provided with the weighing sensor assembly, the shaft pin sensor assembly and the auxiliary correction sensor 3, when the weight of grains in the granary assembly is measured when the harvester is in a dynamic state, the weight of the grains in the granary assembly can be calculated through the measured value of the shaft pin sensor assembly and the measured value of the weighing sensor assembly; by arranging the auxiliary correction sensor 3 on the gun barrel support 46, the weight of the gun barrel piece 45 at the upper end of the gun barrel support 46 can be measured, and the auxiliary correction sensor is used for carrying out auxiliary correction on the measurement data of the weighing sensor assembly and the shaft pin sensor assembly so as to reduce the influence of the gun barrel piece 45 on the grain weight measurement in the granary assembly.

Example 3

The present embodiment provides a combine harvester, as shown in fig. 1 and 2, including a yield measuring system, a grain bin assembly, a header conveying part 42, a chassis 43, a threshing part 44, a barrel part 45, a barrel support 46 and a rear support 48, wherein the grain bin assembly includes a grain bin 41 and a rotary pipe 47 arranged at one side thereof, and the yield measuring system is the yield measuring system described in embodiment 2.

The first shaft pin sensor 11 in the yield measuring device of the yield measuring system is arranged between the barn 41 and the threshing part 44 in the barn component, the second shaft pin sensor 12 in the yield measuring device of the yield measuring system is arranged between the rotary pipe 47 and the rear bracket 48 of the combine harvester in the barn component, the first weighing sensor 21 in the yield measuring device of the yield measuring system is arranged between the barn 41 and the bottom plate 43 at the bottom of the barn 41, the second weighing sensor 22 and the third weighing sensor 23 are arranged between the bottom of the rotary pipe 47 and the bottom plate 43 which are fixedly connected at one side of the barn 41, and the change of mechanical structural parts can be reduced to the greatest extent by arranging the rotary pipe 47 at the bottom of the rotary pipe 47 due to the mechanical structural connection of the barn 41 and the rotary pipe 47. The original rotation mode of the rotary body of the rotary pipe 47 is maintained, the granary 41 and the chassis 43 can be completely isolated, and the auxiliary correction sensor 3 is arranged on a gun barrel bracket 46 of the combine harvester. Wherein, because the rotary pipe 47 is cylindrical, the second weighing sensor 22 and the third weighing sensor 23 are arranged in parallel, so that the stress is balanced.

When the combine harvester is in a dynamic state, for example, the harvester accelerates or decelerates or spans obstacles, the granary component can shake due to vibration of the harvester, pressure is further applied to the first shaft pin sensors 11 or the second shaft pin sensors 12 arranged on two sides of the granary component, the force in the horizontal direction of the granary component is measured through the first shaft pin sensors 11 or the second shaft pin sensors 12, and then the weight of grains in the granary component can be calculated through the combination of the measured value of the shaft pin sensors and the measured value of the weighing sensor component, so that errors of grain weight measurement in the granary component when the harvester is in a dynamic state can be reduced. By arranging the auxiliary correction sensor 3 on the gun barrel support 46, the weight of the gun barrel piece 45 at the upper end of the gun barrel support 46 can be measured, and the auxiliary correction sensor is used for carrying out auxiliary correction on the measurement data of the weighing sensor assembly and the shaft pin sensor assembly so as to reduce the influence of the gun barrel piece 45 on the grain weight measurement in the granary assembly.

As shown in fig. 3 to 5, in the present embodiment, the combine further includes a first sensor fixing tube 51, a second sensor fixing tube 52, a third sensor fixing tube 53, a front fixing reinforcement plate 54, and a rear fixing reinforcement plate 55. As shown in fig. 4, the first sensor fixing tube 51 is connected between brackets inside the chassis 43 for mounting the first load cell 21 to provide stable supporting force to the first load cell 21; the front fixing reinforcing plate 54 and the rear fixing reinforcing plate 55 are respectively arranged on two brackets on the right side inside the chassis 43, the second sensor fixing tube 52 and the third sensor fixing tube 53 are respectively and fixedly connected between the front fixing reinforcing plate 54 and the rear fixing reinforcing plate 55, the second sensor fixing tube 52 and the third sensor fixing tube 53 are arranged in parallel, the second sensor fixing tube 52 is used for fixing the second weighing sensor 22, the third sensor fixing tube 53 is used for fixing the third weighing sensor 23, and the first weighing sensor 21, the second weighing sensor 22 and the third weighing sensor 23 can be arranged at the design position of the bottom of the grain bin assembly by arranging the first sensor fixing tube 51, the second sensor fixing tube 52, the third sensor fixing tube 53, the front fixing reinforcing plate 54 and the rear fixing reinforcing plate 55, so that the first weighing sensor 21, the second weighing sensor 22 and the third weighing sensor 23 do not need to be position-determined according to the structure of the chassis 43.

As shown in fig. 6 and 7, a clamping plate 6 is arranged between the first shaft pin sensor 11 and the barn 41, the first shaft pin sensor 11 and the threshing part 44 are fixedly connected through fasteners such as bolts, and one side of the first shaft pin sensor 11 close to the barn 41 is sleeved on the shaft pin sensor body in a cylindrical shape, so that when the barn 41 is acted by force to move along the arrow direction in the drawing, the first shaft pin sensor 11 between the barn 41 and the threshing part 44 is stressed, and then the stress value of the barn 41 in the horizontal direction is measured.

As shown in fig. 8 and 9, one end of the second pin sensor 12 is fixedly connected with the rear bracket 48 through a fastener such as a bolt, the other end of the second pin sensor 12 is fixedly connected with the rotary pipe 47 in the granary assembly through the connecting seat 7, the connecting seat 7 is W-shaped, two ends of the connecting seat 7 protruding upwards can be connected with two ends of the second pin sensor 12, the part of the bottom of the connecting seat 7 protruding upwards can be fixedly connected with the surface of the rotary pipe 47, and when the granary 41 is acted on and moves along the arrow direction in fig. 8, the second pin sensor 12 between the granary 41 and the rear bracket 48 is stressed, so that the stress value of the granary assembly in the horizontal direction can be measured. The first shaft pin sensor 11 and the second shaft pin sensor 12 are arranged at two opposite angle positions of the granary assembly, so that the horizontal stress value of the granary 41 can be measured more accurately.

As shown in fig. 10, the auxiliary calibration sensor 3 is fixedly connected between a support portion at the top end of the barrel support 46 and a support rod at the lower end of the barrel support 46 by a fastener such as a bolt, and when the harvester is in a dynamic state, the barrel 45 is mounted on the support portion of the barrel support 46, so that the auxiliary calibration sensor 3 can measure the stress of the barrel support 46.

It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.

Claims (10)

1. A survey device for combine harvester on-line survey is produced, characterized in that includes:

the weighing sensor assembly is arranged at the bottom side of the granary assembly of the combine harvester so as to measure the stress of the granary assembly in the vertical direction;

the shaft pin sensor assembly is arranged on the periphery of the granary assembly of the combine harvester so as to measure the horizontal stress of the granary assembly.

2. The labor measuring device of claim 1, wherein the axle pin sensor assembly comprises:

the first shaft pin sensor (11) is arranged at one side of the granary component of the combine harvester;

the second shaft pin sensor (12) is arranged on the other side of the granary component of the combine harvester, and the first shaft pin sensor (11) and the second shaft pin sensor (12) are arranged on the two opposite sides of the granary component of the combine harvester.

3. The yield measuring device according to claim 2, wherein a line between the first pin sensor (11) and the second pin sensor (12) passes through the centre of gravity of the grain bin assembly.

4. A device according to claim 3, wherein the first pin sensor (11) and the second pin sensor (12) are diagonally arranged with respect to the grain bin assembly.

5. The labor measuring device of claim 4, wherein the weighing sensor assembly comprises:

the first weighing sensor (21) is arranged on one side of the granary component close to the front part of the combine harvester;

the second weighing sensor (22) and the third weighing sensor (23) are arranged on one side of the granary component, which is close to the rear part of the combine harvester, and the second weighing sensor (22) and the third weighing sensor (23) are arranged in parallel.

6. The yield measuring device according to any one of claims 1-5, further comprising an auxiliary calibration sensor (3), the auxiliary calibration sensor (3) being provided on a barrel support (46) of a combine harvester to assist in calibrating the weighing sensor assembly and the axle pin sensor assembly measurement data.

7. A system for measuring the production, comprising a device for measuring the production, a processing device and a display device, wherein the processing device is connected with the device for measuring the production to process the data measured by the device for measuring the production, and the display device is connected with the processing device to display the data obtained by the processing device, and the device for measuring the production is the device for measuring the production according to any one of claims 1 to 6.

8. A combine harvester characterized by comprising a yield measuring system, a granary assembly, a header conveying part (42), a chassis (43), a threshing part (44), a barrel part (45), a barrel support (46) and a rear support (48), wherein the granary assembly comprises a granary (41) and a rotary pipe (47), and the yield measuring system is the yield measuring system in claim 7.

9. A combine harvester according to claim 8, characterized in that,

a first shaft pin sensor (11) in a yield measuring device of the yield measuring system is arranged between the granary component and the threshing part (44);

and a second shaft pin sensor (12) in the yield measuring device of the yield measuring system is arranged between the granary component and a rear bracket (48) of the combine harvester.

10. The combine of claim 9, further comprising;

a first sensor fixing tube (51) connected between a first weighing sensor (21) and the chassis (43) in a labor measuring device of the labor measuring system to fix the first weighing sensor (21);

a second sensor fixing tube (52) connected between a second weighing sensor (22) and the chassis (43) in a labor measuring device of the labor measuring system;

a third sensor fixing tube (53) connected between a third weighing sensor (23) and the chassis (43) in the yield measuring device of the yield measuring system;

the front fixing reinforcing plate (54) and the rear fixing reinforcing plate (55) are connected with the harvester chassis (43), and the second sensor fixing tube (52) and the third sensor fixing tube (53) are connected between the front fixing reinforcing plate (54) and the rear fixing reinforcing plate (55).