Apparatus for inspecting working machine used in working by agricultural tractor

Abstract

The present invention relates to an inspection device for an agricultural work vehicle, comprising: a support member for supporting a work implement mounted on an agricultural work vehicle and used to perform snow removal work; a driving member for operating the work implement supported by the support member; a vibration measuring member for obtaining vibration data by measuring vibrations generated as the work implement supported by the support member is operated by the driving member; a noise measuring member for obtaining noise data by measuring noise generated as the work implement supported by the support member is operated by the driving member; and an inspection member for obtaining evaluation data for the work implement supported by the support member using at least one of the vibration data obtained by the vibration measuring member and the noise data measured by the noise measuring member.

Description

Technology Field

[0001] The present invention relates to an agricultural work vehicle work tool inspection device used to inspect a work tool mounted on an agricultural work vehicle. Background Technology

[0002] Agricultural work vehicles are used to cultivate crops necessary for human life by utilizing the land. For example, combines and tractors fall under the category of agricultural work vehicles. A combine performs the task of harvesting and threshing crops such as rice, barley, wheat, and soybeans. A tractor performs the tasks necessary for cultivating crops by utilizing traction.

[0003] These agricultural work vehicles can perform various tasks through implements. For example, agricultural work vehicles can be equipped with implements such as loaders, backhoes, plows, and rotavators. Loaders are used to perform transport operations, such as moving excavated soil, aggregates, and crushed rock. Backhoes are used to perform excavation operations, such as digging a work site. Plows and rotavators are used to perform tillage operations, such as turning over the soil in the work site.

[0004] Recently, agricultural work vehicles are also being utilized for snow removal operations. For this purpose, implements such as snow brooms and snow blowers are mounted on these vehicles to perform snow removal. A snow broom is mounted on the front of an agricultural work vehicle and used to sweep away snow. A snow blower is mounted on the front of an agricultural work vehicle and used to gather snow and then move the gathered snow to another location using blowing power.

[0005] These implements generate vibration and noise during operation. Excessive vibration and noise from these implements cause discomfort and fatigue to the driver riding in the agricultural work vehicle. Furthermore, excessive vibration from the implements leads to the failure of other components equipped in the agricultural work vehicle. Therefore, there is an urgent need for the development of a device capable of inspecting the vibration and noise generated by the implements. The problem to be solved

[0006] The present invention was devised to solve the problems described above and aims to provide an implement inspection device for an agricultural work vehicle capable of inspecting vibrations, noise, etc., generated from the implement. means of solving the problem

[0007] In order to solve the above problems, the present invention may include the following configuration.

[0008] The work tool inspection device for an agricultural work vehicle according to the present invention may include: a support member that supports a work tool mounted on an agricultural work vehicle and used to perform snow removal work; a driving member that operates the work tool supported by the support member; a vibration measuring member that obtains vibration data by measuring vibrations generated as the work tool supported by the support member is operated by the driving member; a noise measuring member that obtains noise data by measuring noise generated as the work tool supported by the support member is operated by the driving member; and an inspection member that obtains evaluation data for the work tool supported by the support member using at least one of the vibration data obtained by the vibration measuring member and the noise data measured by the noise measuring member.

[0009] In the implement inspection device of an agricultural work vehicle according to the present invention, the vibration measuring unit may include a plurality of vibration sensors attached to the implement supported on the support member to measure vibration, and a vibration generating module that generates vibration data using vibration values ​​measured by the vibration sensors. The vibration sensors may be attached to the implement supported on the support member at positions spaced apart from each other to measure vibrations generated from different parts of the implement supported on the support member. The noise measuring unit may include a noise sensor that measures noise generated from the implement supported on the support member, and a noise generating module that generates noise data using noise values ​​measured by the noise sensor. The inspection unit may include a vibration inspection module that generates vibration evaluation data regarding vibration by comparing the vibration data acquired by the vibration measuring unit with reference vibration data, and a noise inspection module that generates noise evaluation data regarding noise by comparing the noise data acquired by the noise measuring unit with reference noise data. Effects of the invention

[0010] According to the present invention, the following effects can be achieved.

[0011] The present invention is implemented to inspect vibrations, noise, etc., generated during the operation of an implement, thereby contributing to preventing discomfort and fatigue to the operator caused by excessive vibrations and noise from the implement. Furthermore, the present invention can contribute to preventing failures of other parts equipped in an agricultural work vehicle caused by vibrations generated from the implement.

[0012] The present invention is implemented to identify working machines generating excessive vibration using vibration data, thereby contributing to improving the ease of repair work and other operations to reduce vibration in working machines.

[0013] The present invention is implemented to identify working machines generating excessive noise using noise data, thereby contributing to improving the ease of repair work and other tasks to reduce the noise of working machines. Brief explanation of the drawing

[0014] FIG. 1 is a schematic perspective view showing an example of an agricultural work vehicle equipped with a work implement. Figure 2 is a photograph showing an agricultural work vehicle equipped with a snow blower. FIG. 3 is a schematic block diagram of a work implement inspection device for an agricultural work vehicle according to the present invention. FIG. 4 is a photograph showing a plurality of vibration sensors attached to a snow bloom in the implement inspection device of an agricultural work vehicle according to the present invention. FIG. 5 is a photograph showing a plurality of vibration sensors attached to a snow blower in the implement inspection device of an agricultural work vehicle according to the present invention. Specific details for implementing the invention

[0015] Hereinafter, an embodiment of the work tool inspection device for an agricultural work vehicle according to the present invention will be described in detail with reference to the attached drawings.

[0016] Referring to FIGS. 1 to 3, the work tool inspection device (100) of an agricultural work vehicle according to the present invention performs an inspection operation to inspect a work tool (200). The work tool (200) is mounted on an agricultural work vehicle (1). The work tool (200) can be mounted on the agricultural work vehicle (1) and used to perform snow removal operations. For example, the work tool (200) may be a snow broom, a snow blower, etc. The agricultural work vehicle (1) is used to cultivate crops necessary for human life using the land. The agricultural work vehicle (1) may be a tractor, a combine, etc.

[0017] Before describing the work tool inspection device (100) of the agricultural work vehicle according to the present invention, the agricultural work vehicle (1) is described as follows.

[0018] The above agricultural work vehicle (1) may include a vehicle body (2). The vehicle body (2) supports an engine. The vehicle body (2) may form the overall exterior of the agricultural work vehicle (1). The engine may be coupled to the vehicle body (2). A driver's seat (21) may be provided in the vehicle body (2). As a driver sits in the driver's seat (21) and operates a steering device, a control device, etc., the agricultural work vehicle (1) according to the present invention can perform a predetermined task. The agricultural work vehicle (1) according to the present invention may also perform a predetermined task in an autonomous driving manner by a control unit (not shown). In this case, the vehicle body (2) may be implemented without the driver's seat (21). A transmission (not shown), wheels (22), etc. may be coupled to the vehicle body (2). When the drive generated by the above engine is transmitted to the wheel (22) through the above transmission, the vehicle body (2) can travel forward and backward as the wheel (22) rotates.

[0019] A work device (200) may be mounted on the vehicle body (2). The work device (200) may be mounted on the front of the vehicle body (2). The work device (200') may also be mounted on the rear of the vehicle body (2). If the work device (200) is a snow broom, snow blower, etc., that performs snow removal work, the work device (200) may be mounted on the front of the vehicle body (2). If the work device (200) is a snow blower, the work device (200) may include a collection device (210, illustrated in FIG. 2) for collecting snow, and a blower device (220, illustrated in FIG. 2) for moving the snow collected by the collection device (210) to another location using blowing power.

[0020] To inspect a work implement (200) mounted on such an agricultural work vehicle (1), an agricultural work vehicle work implement inspection device (100) according to the present invention may be used. The agricultural work vehicle work implement inspection device (100) according to the present invention may include a support part (110), a driving part (120), a vibration measuring part (130), a noise measuring part (140), and an inspection part (150).

[0021] Referring to FIGS. 1 to 3, the support member (110) supports the implement (200). The implement (200) may be supported on the support member (110) while separated from the agricultural work vehicle (1). The support member (110) may support the bottom surface of the implement (200). The support member (110) may be installed on the floor of a workplace where an inspection of the implement (200) is performed.

[0022] Referring to FIGS. 1 to 3, the drive unit (120) operates the work implement (200). The drive unit (120) can operate the work implement (200) using hydraulics, electricity, etc. While the drive unit (120) operates the work implement (200), the work implement (200) may be supported by the support unit (110). The drive unit (120) can operate the work implement (200) by adjusting inspection conditions such as revolutions per minute (RPM), acceleration time, and deceleration time. Accordingly, the work implement inspection device (100) of an agricultural work vehicle according to the present invention can improve the accuracy of the inspection results of the work implement (200) by performing various inspections on the work implement (200) using the drive unit (120). In addition, the work tool inspection device (100) of an agricultural work vehicle according to the present invention can perform an inspection by operating the work tool (200) in a state corresponding to the actual environment in which the work tool (200) is used by utilizing the drive unit (120), thereby improving versatility for performing inspections on various work tools (200). The drive unit (120) may be installed on the floor of the work site. The drive unit (120) may also be installed on the support unit (110). The drive unit (120) may be implemented by including an inverter to control the inspection conditions.

[0023] Referring to FIGS. 1 to 5, the vibration measuring unit (130) acquires vibration data. The vibration measuring unit (130) can measure vibrations generated as the working machine (200) supported by the support unit (110) is operated by the driving unit (120), and acquire vibration data using the measured vibration values. The vibration data can be implemented as data in which vibration values ​​are matched according to inspection conditions, such as the rotational speed per minute (RPM), acceleration time, and deceleration time, when the driving unit (120) operates the working machine (200). The vibration measuring unit (130) can provide the acquired vibration data to the inspection unit (150). The vibration measuring unit (130) can transmit vibration data using wired communication, wireless communication, etc.

[0024] The above vibration measuring unit (130) may include a vibration sensor (131) and a vibration generating module (132).

[0025] The vibration sensor (131) measures vibration. The vibration sensor (131) may be attached to a workpiece (200) supported by the support member (110). Accordingly, the vibration sensor (131) can measure vibration while moving together with the vibration generated by the workpiece (200). In this case, the vibration sensor (131) may be implemented as an accelerometer. The vibration sensor (131) may measure the vibration of the workpiece (200) to generate a vibration value, and then provide the generated vibration value to the vibration generation module (132).

[0026] The vibration measuring unit (130) may include a plurality of vibration sensors (131). The vibration sensors (131a, 131b, 131c) may be attached to the work implement (200) supported by the support unit (110) at positions spaced apart from each other. Accordingly, the vibration sensors (131a, 131b, 131c) can measure vibrations occurring in different parts of the work implement (200) supported by the support unit (110). Therefore, the work implement inspection device (100) of an agricultural work vehicle according to the present invention can generate vibration data for each part of the work implement (200) using vibration values ​​measured for different parts of the work implement (200). Accordingly, the work tool inspection device (100) of an agricultural work vehicle according to the present invention is implemented to identify the part of the work tool (200) where excessive vibration occurs using vibration data, thereby contributing to improving the ease of repair work, etc., to reduce the vibration of the work tool (200).

[0027] FIG. 4 is illustrated with three vibration sensors (131a, 131b, 131c) attached spaced apart from each other on the snow bloom (200), but is not limited thereto, and one, two, or four or more vibration sensors (131) may be attached to the snow bloom (200).

[0028] FIG. 5 illustrates three vibration sensors (131a, 131b, 131c) attached spaced apart from each other to a snow blower (200), but is not limited thereto, and one, two, or four or more vibration sensors (131) may be attached to the snow blower (200). The vibration sensors (131) may be attached to a collection mechanism (210) having the snow blower (200).

[0029] The vibration generation module (132) generates vibration data using vibration values ​​measured by the vibration sensors (131). The vibration generation module (132) can generate vibration data implemented as data in which vibration values ​​are matched according to the inspection conditions. The vibration generation module (132) can also generate vibration data according to the measurement location where the vibration sensors (131) measured the vibration. The vibration generation module (132) can generate vibration data implemented in the form of a graph. The vibration generation module (132) can provide the generated vibration data to a display unit (not shown), such as a display device. The display unit can output the vibration data as an image.

[0030] Referring to FIGS. 1 to 5, the noise measuring unit (140) acquires noise data. The noise measuring unit (140) measures the noise generated as the working machine (200) supported by the support unit (110) is operated by the driving unit (120), and can acquire noise data using the measured noise values. The noise data can be implemented as data in which noise values ​​are matched according to inspection conditions such as the rotational speed per minute (RPM), acceleration time, and deceleration time when the driving unit (120) operates the working machine (200). The noise measuring unit (140) can provide the acquired noise data to the inspection unit (150). The noise measuring unit (140) can transmit the noise data using wired communication, wireless communication, etc.

[0031] The above noise measuring unit (140) may include a noise sensor (141) and a noise generating module (142).

[0032] The noise sensor (141) measures noise. The noise sensor (141) can measure noise generated from a work tool (200) supported by the support member (110). The noise sensor (141) may be positioned at a predetermined distance from the work tool (200) supported by the support member (110). The noise sensor (141) may also be installed on a support (not shown) positioned spaced apart from the support member (110). The noise sensor (141) may be implemented as a directional microphone. By positioning the noise sensor (141) to direct toward the work tool (200) supported by the support member (110), the influence of other noises generated in the surroundings can be reduced. After the noise sensor (141) measures the noise of the work tool (200) and generates a noise value, it can provide the generated noise value to the noise generation module (142).

[0033] The noise measuring unit (140) may include a plurality of noise sensors (141). The noise sensors (141) may be arranged to direct noise toward different parts of the implement (200) supported by the support member (110). Accordingly, the noise sensors (141) can measure noise generated from different parts of the implement (200) supported by the support member (110). Therefore, the implement inspection device (100) of an agricultural work vehicle according to the present invention can generate noise data for each part of the implement (200) using noise values ​​measured for different parts of the implement (200). Accordingly, the implement inspection device (100) of an agricultural work vehicle according to the present invention is implemented to identify parts of the implement (200) where excessive noise occurs using noise data, thereby contributing to improving the ease of repair work, such as reducing noise from the implement (200).

[0034] The noise generation module (142) generates noise data using noise values ​​measured by the noise sensors (141). The noise generation module (142) can generate noise data implemented as data in which noise values ​​are matched according to the inspection conditions. The noise generation module (142) can also generate noise data according to the measurement locations where the noise sensors (141) measured the noise. The noise generation module (142) can generate noise data implemented in the form of a graph. The noise generation module (142) can provide the generated noise data to the display unit. The display unit can output the noise data as an image.

[0035] Referring to FIGS. 1 to 5, the inspection unit (150) obtains evaluation data for a work tool (200) supported by the support unit (110) using at least one of the vibration data and the noise data. The vibration data is provided by the vibration measurement unit (130). The noise data is provided by the noise measurement unit (140). The evaluation data obtained by the inspection unit (150) can be used as data to determine the quality of the work tool (200) supported by the support unit (110). The inspection unit (150) may also provide the evaluation data to the display unit. The display unit can output the evaluation data as an image.

[0036] The inspection unit (150) can obtain evaluation data by comparing the vibration data and the noise data, respectively, with reference data. The reference data may be stored in the inspection unit (150) in advance by an operator. The reference data may be data accumulated by performing multiple inspection operations in advance. For example, if the inspection unit (150) compares the vibration data with the reference data and determines that the average value of the vibration value of the vibration data exceeds the reference vibration value of the reference data, it can generate evaluation data that determines the working machine (200) supported by the support unit (110) as defective. In this case, the inspection unit (150) may use the maximum value of the vibration value of the vibration data. For example, the inspection unit (150) may compare the noise data with the reference data and, if it is determined that the average value of the noise value of the noise data exceeds the reference noise value of the reference data, generate evaluation data that determines the working machine (200) supported by the support unit (110) as defective. In this case, the inspection unit (150) may also use the maximum value of the noise value of the noise data.

[0037] The above inspection unit (150) may include a vibration inspection module (151).

[0038] The vibration inspection module (151) generates vibration evaluation data regarding vibration. The vibration inspection module (151) can generate the vibration evaluation data by comparing the vibration data acquired by the vibration measurement unit (130) with reference vibration data. The reference vibration data is vibration data of a working machine (200) in which normal vibration occurs, and may be acquired and stored in advance by an operator. The reference vibration data can be implemented as data in which normal vibration values ​​are matched according to inspection conditions such as revolutions per minute (RPM), acceleration time, and deceleration time. The vibration inspection module (151) can generate vibration evaluation data in which vibration values ​​deviating from the reference vibration data are displayed by comparing the vibration data with the reference vibration data. The vibration inspection module (151) may provide the vibration evaluation data to the display unit. The display unit may display the vibration evaluation data as an image. The vibration inspection module (151) may generate vibration evaluation data that displays the result of determining good or bad quality based on the result of performing a vibration inspection operation. For example, the vibration inspection module (151) may determine the vibration evaluation result of the working machine (200) supported by the support member (110) as defective in cases such as when the vibration value deviating from the reference vibration data is greater than or equal to a preset number of times, or when the magnitude of the vibration value deviating from the reference vibration data is greater than or equal to a preset vibration value. The vibration inspection module (151) may determine the vibration evaluation result of the working machine (200) supported by the support member (110) as good quality in cases such as when the vibration value deviating from the reference vibration data is less than a preset number of times, or when the magnitude of the vibration value deviating from the reference vibration data is less than a preset vibration value.

[0039] The above inspection unit (150) may include a noise inspection module (152).

[0040] The noise inspection module (152) generates noise evaluation data regarding noise. The noise inspection module (152) can generate the noise evaluation data by comparing the noise data acquired by the noise measurement unit (140) with the reference noise data. The reference noise data is noise data of a working machine (200) that generates normal noise, and may be acquired and stored in advance by an operator. The reference noise data can be implemented as data in which normal noise values ​​are matched according to inspection conditions such as revolutions per minute (RPM), acceleration time, and deceleration time. The noise inspection module (152) can generate noise evaluation data that displays noise values ​​deviating from the reference noise data by comparing the noise data with the reference noise data. The noise inspection module (152) may provide the noise evaluation data to the display unit. The display unit may display the noise evaluation data as an image. The noise inspection module (152) may generate noise evaluation data that displays the result of determining good or bad based on the result of performing a noise inspection operation. For example, the noise inspection module (152) may determine the noise evaluation result of the working machine (200) supported by the support member (110) as defective in cases such as when the noise value deviating from the reference noise data is greater than or equal to a preset number of times, or when the magnitude of the noise value deviating from the reference noise data is greater than or equal to a preset noise value. The noise inspection module (152) may determine the noise evaluation result of the working machine (200) supported by the support member (110) as good in cases such as when the noise value deviating from the reference noise data is less than a preset number of times, or when the magnitude of the noise value deviating from the reference noise data is less than a preset noise value.

[0041] Referring to FIGS. 1 to 5, the inspection unit (150) may include a receiving module (153).

[0042] The receiving module (153) receives at least one of the vibration data and the noise data. The receiving module (153) may receive at least one of the vibration data and the noise data using wired communication, wireless communication, etc. When the receiving module (153) receives the vibration data, the receiving module (153) may provide the received vibration data to the vibration inspection module (151). When the receiving module (153) receives the noise data, the receiving module (153) may provide the received noise data to the noise inspection module (152). When the receiving module (153) receives the vibration data and the noise data simultaneously, the receiving module (153) may distribute the vibration data to be provided to the vibration inspection module (151) and the noise data to be provided to the noise inspection module (152).

[0043] It will be obvious to those skilled in the art that the invention described above is not limited to the aforementioned embodiments and attached drawings, and that various substitutions, modifications, and changes are possible within the scope of the technical concept of the invention. Explanation of the symbols

[0044] 100: Work implement inspection device for agricultural work vehicles 110 : Support part 120 : Driving part 130: Vibration measuring unit 131: Vibration sensor 132 : Vibration generation module 140 : Noise measurement unit 141: Noise sensor 142: Noise generation module 150 : Inspection Unit 151 : Vibration Inspection Module 152: Noise inspection module 153: Receiving module 1 : Agricultural work vehicle 2 : Vehicle body 21: Driver's seat 22: Wheels 200 : Working machine 210 : Collecting device 220 : Blower

Claims

Claim 1 An inspection device for inspecting a work implement used for the operation of an agricultural tractor, comprising: a support member installed on the floor of a workplace where an inspection of the work implement is performed, which supports the bottom surface of the work implement mounted on an agricultural tractor and used for performing snow removal work; a drive member that operates the work implement supported on the support member while separated from the agricultural tractor; a vibration measuring member that obtains vibration data by measuring vibrations generated as the work implement supported on the support member is operated by the drive member; and an inspection member that obtains vibration evaluation data for the work implement supported on the support member by comparing the vibration data obtained by the vibration measuring member with reference vibration data stored in advance; wherein the inspection member generates vibration evaluation data that determines the work implement supported on the support member as defective if it is determined that the average value of the vibration values ​​of the vibration data exceeds the reference vibration value of the reference data. Claim 2 An inspection device for inspecting a work implement used in the operation of an agricultural tractor, comprising: a plurality of vibration sensors attached to a work implement supported by a support member to measure vibrations; and a vibration generation module that generates vibration data using vibration values ​​measured by the plurality of vibration sensors; wherein the plurality of vibration sensors are attached to a work implement supported by a support member at positions spaced apart from each other to measure vibrations generated in different parts of the work implement supported by the support member; and wherein the inspection unit comprises a vibration inspection module that generates vibration evaluation data by comparing the vibration data obtained by the vibration measurement unit with the reference vibration data. Claim 3 In paragraph 2, the vibration inspection module is an inspection device for inspecting implements used in the operation of an agricultural tractor, which generates vibration data for each measurement location where the plurality of vibration sensors measure vibration. Claim 4 In claim 1, the driving unit can operate the implement by adjusting inspection conditions, and the vibration data acquired by the vibration measuring unit is data in which vibration values ​​are matched according to inspection conditions, an inspection device for inspecting an implement used in the operation of an agricultural tractor. Claim 5 An inspection device for inspecting a work implement used in the operation of an agricultural tractor according to claim 1, further comprising: a noise measuring unit that obtains noise data by measuring noise generated while the work implement supported by the support unit is operated by the driving unit; and the inspection unit that obtains noise evaluation data in which the work implement supported by the support unit is judged to be defective if the average value of the noise value of the noise data is determined to exceed the reference noise value of the reference data by comparing the noise data obtained by the noise measuring unit with reference data stored in advance. Claim 6 An inspection device for inspecting a work implement used for the operation of an agricultural tractor, comprising: a support member installed on the floor of a workplace where an inspection of the work implement is performed, which supports the bottom surface of the work implement mounted on the agricultural tractor and used for performing snow removal work; a drive member that operates the work implement supported on the support member while separated from the agricultural tractor; a noise measurement member that obtains noise data by measuring the noise generated as the work implement supported on the support member is operated by the drive member; and an inspection member that obtains noise evaluation data for the work implement supported on the support member by comparing the noise data obtained by the noise measurement member with reference data stored in advance; wherein the inspection member generates noise evaluation data that determines the work implement supported on the support member as defective if it is determined that the average value of the noise value of the noise data exceeds the reference noise value of the reference data. Claim 7 An inspection device for inspecting an implement used in the operation of an agricultural tractor, comprising: a noise measuring unit positioned at a predetermined distance from the implement supported by the support member and measuring noise generated from the implement supported by the support member; and a noise generating module that generates noise data using noise values ​​measured by the plurality of noise sensors; wherein the plurality of noise sensors measure noise generated from different parts of the implement supported by the support member at positions spaced apart from each other, and the inspection unit a noise inspection module that generates noise evaluation data by comparing the noise data obtained by the noise measuring unit with reference noise data. Claim 8 In claim 7, the noise inspection module is an inspection device for inspecting implements used in the operation of an agricultural tractor, which generates noise data for each measurement location where the plurality of noise sensors measure the noise. Claim 9 In claim 5 or 6, the driving unit can operate the implement by adjusting inspection conditions, and the noise data obtained by the noise measuring unit is data in which noise values ​​are matched according to inspection conditions, an inspection device for inspecting an implement used in the operation of an agricultural tractor.

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