Work vehicle

Abstract

To solve such a problem that, in conventional work vehicles such as carrot harvesting vehicles, the manual labor and effort required for stacking crop containers that store crops are often not small.SOLUTION: A carrot harvesting vehicle comprises: a carrot container dumping device 30 which is mounted near a conveyor outlet of a moving-up / down conveyor device 20 to which a first carrot container 80 is set; and a carrot container shooter device 40 which is mounted on the outer side in the vehicle body left-right direction of the carrot container dumping device 30 to which a second carrot container 90 is set. The carrot container dumping device 30 includes two parallel frame members 31 which are arranged at a front-rear spacing greater than the front-rear width of the first carrot container 80. As the moving-up / down conveyor device 20 moves up, the carrot container dumping device 30 moves up without interference with the set first carrot container 80.SELECTED DRAWING: Figure 11

Description

[Technical field]

[0001] The present invention relates to work vehicles, such as carrot harvesting vehicles. [Background technology]

[0002] A vegetable harvester has a harvesting and transporting device on one side of a vehicle body equipped with running crawlers that pulls out vegetables at the front and transports them to the rear, and the vegetables harvested by the harvesting and transporting device are sorted using a harvested vegetable processing device and packed into containers that are then loaded in multiple rows on a carrier attached to the other side of the vehicle body.Work vehicles similar to this vegetable harvester are known in which an auxiliary loading platform is attached to the side of the carrier so that it can be raised and lowered (see, for example, Patent Document 1). [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2018-164427 A Summary of the Invention [Problem to be solved by the invention]

[0004] Meanwhile, the present inventor believes that the trend of implementing convenient functions one after another in work vehicles such as carrot harvesting vehicles will continue to accelerate, taking into consideration the various needs of work vehicle users.

[0005] However, the present inventors have noticed that conventional work vehicles are not necessarily easy to use when using convenient functions.

[0006] More specifically, the inventors have realized that for work vehicles such as conventional carrot harvesting vehicles, the manpower and effort required to stack crop containers to house the crop is often not small.

[0007] SUMMARY OF THE PRESENT DISCLOSURE In consideration of the above-mentioned problems with the conventional technology, an object of the present invention is to provide a work vehicle that can improve usability. [Means for solving the problem]

[0008] The first aspect of the present invention is a lifting conveyor device that transports crops harvested by a crop harvesting device in a left-right direction of a vehicle body; a crop container dump device attached to the lifting conveyor device near a conveyor outlet, the crop container dump device having a first crop container for accommodating the crop transported by the lifting conveyor device; A crop container shooter device attached to an outer side in the left-right direction of the vehicle body of the crop container dump device, in which a second crop container for accommodating the crop transported by the lifting conveyor device is set; a crop container loading platform device disposed below the crop container dump device for loading the first crop container and the second crop container; Equipped with The crop container dump apparatus has two parallel frame members arranged at a front-to-rear distance greater than a front-to-rear width of the first crop container in a front-to-rear direction of the vehicle body, This is a work vehicle characterized in that, as the lifting conveyor device rises, the crop container dump device rises without interfering with the first crop container that has been set.

[0009] The second aspect of the present invention is a method for automatically or manually selecting a crop container receiving position or a crop container releasing position by using two parallel bar members attached to the underside of the two parallel frame members, When the crop container receiving position is selected, the two parallel bar members are closed by rotating inwardly, and support the first crop container or the second crop container from below; The first work vehicle of the present invention is characterized in that when the crop container escape position is selected, the two parallel bar members are opened by rotating downward and do not interfere with the first crop container or the second crop container.

[0010] The third invention is the work vehicle of the second invention, characterized in that the crop container receiving position is selected, and the two parallel bar members support the first crop container from below while the lifting conveyor device descends, so that the crop container dump device descends to near the upper surface of the crop container loading platform device, and then the crop container release position is automatically or manually selected, and the first crop container is loaded from the crop container dump device to the crop container loading platform device without the two parallel bar members interfering with the first crop container.

[0011] The fourth aspect of the present invention is a crop container platform device sensor attached near the parallel bar member for detecting the presence of the crop container platform device in a contact or non-contact manner, The third work vehicle of the present invention is characterized in that the crop container release posture is automatically selected based on the detection results of the crop container loading platform device sensor, and the first crop container is loaded from the crop container dump device to the crop container loading platform device.

[0012] The fifth invention is the work vehicle of the third invention, characterized in that after the first crop container is loaded onto the crop container loading platform device, the lifting conveyor device rises, so that the crop container dump device rises to near the upper surface of the first crop container without the two parallel bar members interfering with the first crop container, the crop container receiving position is automatically or manually selected again, and the second crop container is slid from the crop container shooter device to the crop container dump device so that the two parallel bar members support the second crop container from below.

[0013] The sixth aspect of the present invention includes a first crop container sensor attached near the parallel bar member for detecting the absence of the first crop container in a contact manner or a non-contact manner, The fifth work vehicle of the present invention is characterized in that the crop container receiving posture is automatically reselected based on the detection result of the first crop container sensor, and the second crop container is slid from the crop container shooter device to the crop container dump device.

[0014] The seventh aspect of the present invention is the work vehicle of the fifth aspect of the present invention, characterized in that after the second crop container is slid into the crop container dump device, the crop container escape position is automatically or manually selected again, and the second crop container is loaded from the crop container dump device into the first crop container. Effect of the Invention

[0015] According to the first aspect of the present invention, it is possible to improve usability.

[0016] According to the second aspect of the present invention, in addition to the effect of the first aspect of the present invention, it is possible to simplify the configuration.

[0017] According to the third aspect of the present invention, in addition to the effect of the second aspect of the present invention, it is possible to improve convenience.

[0018] According to the fourth aspect of the present invention, in addition to the effect of the third aspect of the present invention, it is possible to reduce the burden on the worker.

[0019] According to the fifth aspect of the present invention, in addition to the effect of the third aspect of the present invention, it is possible to further improve convenience.

[0020] According to the sixth aspect of the present invention, in addition to the effect of the fifth aspect of the present invention, it is possible to reduce the burden on the worker.

[0021] According to the seventh aspect of the present invention, in addition to the effects of the fifth aspect of the present invention, it is possible to further improve usability. [Brief description of the drawings]

[0022] [Figure 1] FIG. 1A is a plan view (part 1) of a carrot harvesting vehicle according to an embodiment of the present invention; FIG. 1B is a right side view of the carrot harvesting vehicle according to an embodiment of the present invention; [Diagram 2] (a) Plan view (part 2) of a carrot harvesting vehicle according to an embodiment of the present invention, (b) Plan view (part 1) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to an embodiment of the present invention, (c) Plan view (part 2) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to an embodiment of the present invention, (d) Rear view (part 1) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to an embodiment of the present invention [Diagram 3] (a) Plan view (part 3) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to the embodiment of the present invention, (b) Plan view (part 4) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to the embodiment of the present invention, (c) Rear view (part 2) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to the embodiment of the present invention [Figure 4] FIG. 1A is a front view of a carrot harvesting vehicle according to an embodiment of the present invention; FIG. 1B is a rear view (part 1) of a carrot harvesting vehicle according to an embodiment of the present invention; [Diagram 5] (a) A plan view (part 5) of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to the embodiment of the present invention, (b) a plan view of the vicinity of the carrot container dump device of the carrot harvesting vehicle according to the embodiment of the present invention, (c) a schematic perspective view of the vicinity of the carrot container dump device and the carrot container shooter device of the carrot harvesting vehicle according to the embodiment of the present invention [Figure 6] FIG. 2 is a rear view of a carrot harvesting vehicle according to an embodiment of the present invention. [Figure 7] FIG. 3 is a rear view of a carrot harvesting vehicle according to an embodiment of the present invention. [Figure 8] FIG. 1 is an explanatory diagram of the operation transition of a carrot harvesting vehicle according to an embodiment of the present invention (part 1); [Figure 9] FIG. 2 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention (part 2); [Figure 10] FIG. 3 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention (part 3) [Figure 11] FIG. 4 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention. [Figure 12] FIG. 5 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention. [Figure 13] FIG. 6 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention; [Figure 14] FIG. 7 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention; [Figure 15] FIG. 8 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention. [Figure 16] FIG. 9 is an explanatory diagram of the operation transition of the carrot harvesting vehicle according to the embodiment of the present invention. [Figure 17] FIG. 1 is an explanatory diagram of the vicinity of a carrot container shooter device of a carrot harvesting vehicle according to a modified embodiment of the present invention; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0023] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS With reference to the drawings, an embodiment of the present invention will be described in detail.

[0024] The same applies below, but some components may not be shown in the drawings, or may be shown in a perspective or simplified manner.

[0025] While explaining the operation of the carrot harvesting vehicle of this embodiment, we will also explain a work vehicle operation control method of an invention related to the present invention, which is realized by a controller, etc.

[0026] The carrot harvesting vehicle of the present embodiment is a specific example of the work vehicle of the present invention. The carrot of the present embodiment is a specific example of the crop of the present invention.

[0027] (1) First, referring primarily to Figures 1(a) and 1(b), Figures 2(a), 2(b), 2(c) and 2(d), and Figures 3(a), 3(b) and 3(c), the configuration and operation of a carrot harvesting vehicle according to an embodiment of the present invention will be specifically described.

[0028] Here, Fig. 1(a) is a plan view (part 1) of a carrot harvesting vehicle according to an embodiment of the present invention, Fig. 1(b) is a right side view of the carrot harvesting vehicle according to an embodiment of the present invention, Fig. 2(a) is a plan view (part 2) of the carrot harvesting vehicle according to an embodiment of the present invention, Figs. 2(b) and 2(c) are plan views (parts 1 and 2) of the vicinity of the carrot container dump device 30 and the carrot container shooter device 40 of the carrot harvesting vehicle according to an embodiment of the present invention, and Fig. 2(d) is a plan view (part 3) of the carrot harvesting vehicle according to an embodiment of the present invention. Figures 3(a) and 3(b) are plan views (parts three and four) of the vicinity of the carrot container dump device 30 and the carrot container shooter device 40 of the carrot harvesting vehicle in an embodiment of the present invention, and Figure 3(c) is a rear view (part two) of the vicinity of the carrot container dump device 30 and the carrot container shooter device 40 of the carrot harvesting vehicle in an embodiment of the present invention.

[0029] The lifting conveyor device 20 is a device that transports the carrots harvested by the carrot harvesting device 10 in the left-right direction of the vehicle body.

[0030] In the layout of a so-called mini-container specification machine with a simple configuration, a lifting conveyor device 20 is implemented, and an arrangement is adopted in which the line of sight of the assistant worker seated in the assistant worker seat 101 faces forward of the vehicle body, in the direction of vehicle travel.

[0031] The conveyor outlet of the lifting conveyor device 20, which functions as a carrot sorting conveyor, is provided above and near the center of the carrot container main carrier 102.

[0032] The direction of transport of the carrot containers on the carrot container main carrier 102 can be freely selected between facing forward on the vehicle body and facing backward on the vehicle body.

[0033] The carrot container dump device 30 is a device attached near the conveyor exit of the lifting conveyor device 20, on which a first carrot container 80 for accommodating carrots transported by the lifting conveyor device 20 is set. The carrot container shooter device 40 is a device attached to the outer side in the left-right direction of the vehicle body of the carrot container dump device 30, on which a second carrot container 90 for accommodating carrots transported by the lifting conveyor device 20 is set. The carrot container loading platform device 50 is a device provided below the carrot container dump device 30, on which the first carrot container 80 and the second carrot container 90 are loaded.

[0034] In the high-performance specification in which the lifting conveyor device 20 is implemented, the assistant worker is not required to stand up from the assistant worker's seat 101 or descend to the field to move and stack containers, and double-stacking of carrot containers is realized in a user-friendly configuration that causes little trouble to the worker. Since large manpower and labor are not required, carrot harvesting work is easy and work efficiency is improved.

[0035] The ginseng container dumping device 30 has two parallel frame members 31 arranged at a longitudinal distance greater than the longitudinal width of the first ginseng container 80 in the longitudinal direction of the vehicle body. When the lifting conveyor device 20 rises, the ginseng container dumping device 30 rises without interfering with the first ginseng container 80 that has been set therein.

[0036] Since the so-called frame inner width of the parallel frame member 31 is larger than the front-rear width of the first ginseng container 80 and the second ginseng container 90, the ginseng containers can pass through smoothly in the ginseng container dump device 30. Even when the second ginseng container 90 is loaded onto the first ginseng container 80, resulting in a two-tiered ginseng container stacking state, the ginseng containers can pass through the ginseng container dump device 30 without being hindered.

[0037] Two parallel bar members 32, whose carrot container receiving position or carrot container releasing position can be selected automatically or manually, are attached to the underside of the two parallel frame members 31.

[0038] When normal carrot harvesting work is started and carrots are loaded into the first carrot container 80, the two parallel bar members 32 as carrot container supporting members are rotated toward the inside of the two parallel frame members 31 to support the first carrot container 80 from below. The carrot container dump device 30 realizes the passing of the carrot container and the support of the carrot container by switching the position of the two parallel bar members 32.

[0039] The structure of the two parallel bar members 32 is similar to a parallel link structure in which slide bar members, etc. are sometimes used. The carrot container supporting operation by the connecting rod part is stable, and the second carrot container 90, which is loaded as the next empty container by so-called quick change compensation, is also firmly supported.

[0040] When the carrot-container receiving position is selected, the two parallel bar members 32 are closed by rotating inward, and support the first ginseng container 80 or the second ginseng container 90 from below. When the carrot-container releasing position is selected, the two parallel bar members 32 are opened by rotating downward, and do not interfere with the first ginseng container 80 or the second ginseng container 90.

[0041] The two parallel frame members 31 are made of round pipe members so that the second ginseng container 90 can easily slide from the ginseng container shooter device 40 into the ginseng container dump device 30. The two parallel bar members 32 can also be made of round pipe members, so that the second ginseng container 90 can be smoothly slid into place without getting caught.

[0042] (2) Next, with primary reference to Figures 4(a) and 4(b), 5(a), 5(b) and 5(c), 6 and 7, and 8, 9, 10, 11, 12, 13, 14, 15 and 16, the configuration and operation of the carrot harvesting vehicle of an embodiment of the present invention will be described in more detail.

[0043] Here, Figure 4(a) is a front view of a carrot harvesting vehicle of an embodiment of the present invention, Figure 4(b) is a rear view (part 1) of a carrot harvesting vehicle of an embodiment of the present invention, Figure 5(a) is a plan view (part 5) of the vicinity of the carrot container dump device 30 and carrot container shooter device 40 of the carrot harvesting vehicle of an embodiment of the present invention, Figure 5(b) is a plan view of the vicinity of the carrot container dump device 30 of the carrot harvesting vehicle of an embodiment of the present invention, Figure 5(c) is a schematic oblique view of the vicinity of the carrot container dump device 30 and carrot container shooter device 40 of the carrot harvesting vehicle of an embodiment of the present invention, Figures 6 and 7 are rear views (parts 2 and 3) of a carrot harvesting vehicle of an embodiment of the present invention, and Figures 8 to 16 are explanatory diagrams (parts 1 to 9) of the operational transition of the carrot harvesting vehicle of an embodiment of the present invention.

[0044] The carrot container receiving position is selected, and the lifting conveyor device 20 descends while the two parallel bar members 32 support the first carrot container 80 from below, so that the carrot container dump device 30 descends to the vicinity of the upper surface of the carrot container loading platform device 50, and then the carrot container release position is automatically or manually selected, and the first carrot container 80 is loaded from the carrot container dump device 30 onto the carrot container loading platform device 50 without the two parallel bar members 32 interfering with the first carrot container 80.

[0045] A more specific explanation will be given below with reference to FIGS.

[0046] That is, if the lifting conveyor device 20 is lifted in association with the transport of the first carrot container 80 and the second carrot container 90 described later, it can be lowered as necessary (see FIG. 8). The carrot container receiving position is selected, the first carrot container 80 is set in the carrot container dump device 30, and the second carrot container 90 is set in the carrot container shooter device 40. The lifting conveyor device 20 is lowered by the weight of the carrots as the carrot harvesting work progresses while the two parallel bar members 32 support the first carrot container 80 from below (see FIG. 9). After the carrot container dump device 30 is lowered close to the upper surface of the carrot container loading platform device 50, the carrot container releasing position is automatically or manually selected, and the first carrot container 80 is loaded from the carrot container dump device 30 onto the carrot container loading platform device 50 without the two parallel bar members 32 interfering with the first carrot container 80 (see FIG. 10).

[0047] The driving roller device 108 provided on the ginseng container loading platform device 50, which is located near the center of the ginseng container main carrier 102, can move the first ginseng container 80 in the fore-and-aft direction of the vehicle body so that it is positioned precisely in the center of the ginseng container dump device 30.

[0048] When the first ginseng container 80 loaded on the ginseng container loading platform device 50 is in contact with the driving roller device 108, the highest roller part of the driving roller device 108 protrudes upward compared to the underside of the frame of the ginseng container dump device 30, and supports the container bottom of the first ginseng container 80 from below.

[0049] Just before the first ginseng container 80 touches the rollers, the two parallel bar members 32 are rotated inwardly to close and support the first ginseng container 80 from below, and support of the first ginseng container 80 is transferred from the ginseng container dump device 30 to the drive roller device 108.

[0050] The two parallel bar members 32 can be automatically opened and closed by electrically pushing and pulling the solenoid member 107.

[0051] The carrot container loading platform device sensor 60 is a sensor attached near the parallel bar member 32, which detects the presence of the carrot container loading platform device 50 in a contact manner or a non-contact manner. Based on the detection result of the carrot container loading platform device sensor 60, the carrot container release posture is automatically selected, and the first carrot container 80 is loaded from the carrot container dump device 30 onto the carrot container loading platform device 50.

[0052] The carrot container loading platform device sensor 60 is provided as a pressure-sensitive sensor, such as a load cell embedded in the parallel bar members 32. After the above-mentioned roller grounding caused by contact with the driving roller device 108 is detected, the two parallel bar members 32 are quickly opened by rotating downwards by the solenoid member 107.

[0053] In the configuration in which the carrot container placing platform device sensor 60 is embedded in the parallel bar members 32, the carrot container placing platform device sensor 60 is hardly damaged due to contact with the roller members of the driving roller device 108, which is the contact member of the carrot container placing platform device sensor 60. Of course, in order to further reduce the occurrence of such damage, it is also conceivable that the contact member of the carrot container placing platform device sensor 60 is provided in the carrot container placing platform device 50 as an elastic member that retracts when the sensor comes into contact with the sensor.

[0054] When pressure from below to above is detected by the ginseng container placing platform device sensor 60, the parallel bar member 32 rotates downward. However, when pressure from above to below is detected by the ginseng container placing platform device sensor 60, such rotation is not performed because there is a high possibility that the first ginseng container 80 or the second ginseng container 90 is present, or the ginseng container placing platform device 50 is not present.

[0055] The shape of the carrot container placement table device sensor 60 is a round bar, and a sensor surface shape that is less affected by the shape of the bottom of the carrot container is adopted.

[0056] After the first ginseng container 80 is loaded onto the ginseng container loading platform device 50, the lifting conveyor device 20 is raised, so that the ginseng container dumping device 30 is raised to near the upper surface of the first ginseng container 80 without the two parallel bar members 32 interfering with the first ginseng container 80, and the ginseng container receiving posture is automatically or manually selected again, and the second ginseng container 90 is slid from the ginseng container shooter device 40 to the ginseng container dumping device 30 so that the two parallel bar members 32 support the second ginseng container 90 from below.

[0057] A more specific explanation will be given below with reference to FIGS.

[0058] That is, after the first ginseng container 80 is loaded onto the ginseng container loading platform device 50, when the first ginseng container 80 becomes full as the ginseng harvesting operation progresses, the lifting conveyor device 20 rises, and the ginseng container dump device 30 rises to the vicinity of the upper surface of the first ginseng container 80 without the two parallel bar members 32 interfering with the first ginseng container 80 (see FIG. 11). The ginseng container receiving position is automatically or manually selected again (see FIG. 12). The second ginseng container 90 is slid from the ginseng container shooter device 40 to the ginseng container dump device 30 so that the two parallel bar members 32 support the second ginseng container 90 from below (see FIG. 13).

[0059] By operating a pedal on an assistant operator's seat pedal unit 103 provided in the vicinity of the assistant operator's seat 101, the parallel bar members 32 can be opened and closed via a linking structure using a wire member 106.

[0060] Of course, in order to allow the second carrot container 90 to smoothly slide from the carrot container shooter device 40 to the carrot container dump device 30, for example, the carrot container shooter device 40 may be tilted relative to the carrot container dump device 30. In addition, a configuration in which the carrot container dump device 30 is fixed to the lifting conveyor device 20 so as to be swingable may be further utilized, and a configuration in which the lifting conveyor device 20 is lifted up may also be considered.

[0061] Since the pedal operation timing of the pedal unit 103 at the assistant operator's seat is regarded as the same as the timing of changing the carrot container, the conveyor drive motor of the lifting conveyor device 20 is stopped at such pedal operation timing.

[0062] After the first ginseng container 80 passes through the ginseng container dump device 30, the empty container is loaded into the ginseng container shooter device 40 by the second ginseng container 90 set therein.

[0063] A free roller member 104 is attached to the outer surface of the parallel bar member 32, which is likely to come into contact with the side surface of the first ginseng container 80 or the second ginseng container 90, to prevent the container from getting caught.

[0064] The first ginseng container sensor 70 is a sensor attached near the parallel bar member 32, which detects the absence of the first ginseng container 80 in a contact manner or in a non-contact manner.

[0065] Based on the detection result of the first ginseng container sensor 70, the container inclination of the first ginseng container 80 or the second ginseng container 90 supported by the two parallel bar members 32 is measured, and when the occurrence of a large container inclination that may cause the carrots transported by the lifting conveyor device 20 to spill is recognized, an audio alert or the like may be output.

[0066] Based on the detection result of the first ginseng container sensor 70 , the carrot container receiving posture is automatically selected again, and the second ginseng container 90 is slid from the ginseng container shooter device 40 to the ginseng container dump device 30 .

[0067] One of the two parallel bar members 32 is configured to be shorter than the other parallel bar member 32, and a first ginseng container sensor 70 is provided on the shorter parallel bar member 32. The first ginseng container sensor 70 is provided as a pressure-sensitive sensor, such as a load cell, embedded in the parallel bar member 32.

[0068] In this manner, the opening and closing operation of the first ginseng container sensor 70 functioning as a container detection sensor may be performed in conjunction with the opening and closing operation of the parallel bar member 32 .

[0069] The first container sensor 70 may be embedded under the outer surface of the parallel bar member on the same side as the parallel frame member 31, or may be embedded under the outer surface of the parallel bar member on the opposite side as the parallel frame member 31.

[0070] A spacing β having a width of approximately 50 millimeters may be provided between the first carrot container sensor 70 and an adjacent carrot container so as to avoid interference with adjacent carrot containers that already contain carrots or that do not yet contain carrots.

[0071] A guard member 105 may be provided near the first ginseng container sensor 70 to prevent damage caused by contact with an adjacent ginseng container.

[0072] After the second ginseng container 90 has been slid into the ginseng container dump device 30, the ginseng container release position is automatically or manually selected again, and the second ginseng container 90 is loaded from the ginseng container dump device 30 onto the first ginseng container 80.

[0073] A more specific explanation will be given below with reference to FIGS.

[0074] That is, after the second ginseng container 90 is slid to the ginseng container dump device 30, the ginseng container release position is automatically or manually selected again (see FIG. 14). The second ginseng container 90 falls due to its own weight, etc., and is loaded from the ginseng container dump device 30 onto the first ginseng container 80 (see FIG. 15). When the second ginseng container 90 also becomes full as the ginseng harvesting work progresses, the lifting conveyor device 20 is lifted in order to transport the first ginseng container 80 and the second ginseng container 90 from the ginseng container placement table device 50 without interference with the lifting conveyor device 20 (see FIG. 16).

[0075] When the conveyor of the lifting conveyor device 20 is in the uppermost position in response to the pedal operation of the assistant operator's seat pedal unit 103, in which the two parallel bar members 32 are opened by rotating downwards, the first ginseng container 80 and the second ginseng container 90 can be moved on the ginseng container main carrier 102. The two-tiered ginseng container transportation on the ginseng container main carrier 102 is performed automatically, which realizes easy container movement and two-tier stacking without requiring a lot of manpower and effort.

[0076] When the conveyor of the lifting conveyor device 20 is in the highest position, the conveyor driving motor of the lifting conveyor device 20 automatically stops. When the carrot container is replaced or the container is moved in the carrot container main carrier 102, the conveying operation of the lifting conveyor device 20 stops, so that the carrots conveyed by the lifting conveyor device 20 do not spill.

[0077] In the absence of a carrot container in the carrot container main carrier 102, which is often treated as the default state, either the vehicle body facing forward or the vehicle body facing backward can be preferentially selected as the main carrier transport orientation. Since the front or rear side of the carrot container main carrier 102 can be changed as the carrot container placement side according to the field condition or work condition, it is expected to improve flexibility.

[0078] Even after the main carrier transport direction is selected once when no carrot container is present in the carrot container main carrier 102, the selected main carrier transport direction can be changed by using a manual switch or the like provided near the assistant operator's seat 101. Since the main carrier transport direction can be changed according to the work status, etc., it is expected that the efficiency of carrot digging work will be improved.

[0079] After the second carrot container 90 has completed setting the empty container below the conveyor exit of the lifting conveyor device 20, the conveyor drive motor of the lifting conveyor device 20 automatically starts again, and the transport of carrots by the lifting conveyor device 20 is resumed. The setting of the empty container is automatically recognized, and the transport of carrots from the lifting conveyor device 20 to the second carrot container 90 is quickly resumed. This eliminates the need for an operator to manually turn the conveyor drive motor on and off, and also reduces the likelihood of carrots becoming stuck in the lifting conveyor device 20.

[0080] Unless the height of the gap α between the upper end of the second carrot container 90 set in the carrot container dump device 30 and the lifting conveyor device 20 is approximately 50 millimeters or more, the conveyor drive motor of the lifting conveyor device 20 will not start automatically.

[0081] (3) Next, mainly with reference to FIG. 17, the configuration and operation of the carrot harvesting vehicle according to the embodiment of the present invention will be described in more detail.

[0082] FIG. 17 is an explanatory view of the vicinity of a carrot container shooter device 40 of a carrot harvesting vehicle according to a modified embodiment of the present invention.

[0083] A carrot container shooter device 40, a mini-container used in root vegetable harvesters, is attached to the tip of a swing arm 501 with crane specifications. The layout is not the same depending on the machine type, and specifications where an assistant worker sits sideways are sometimes not preferred. Since the work can be done directly in the direction of travel, the so-called slack removal mechanism also functions as a dump mechanism, so that carrots are less likely to be damaged, and the harvesting method can be selected by replacing the attachment without changing the machine body.

[0084] In addition, the program of the invention related to the present invention is a program for causing a computer to execute all or part of the steps (or processes, operations and actions, etc.) of the work vehicle operation control method of the invention related to the present invention described above, and is a program that operates in cooperation with a computer.

[0085] In addition, the recording medium of the invention related to the present invention is a recording medium having recorded thereon a program for causing a computer to execute all or part of the operations of all or part of the steps (or processes, operations and actions, etc.) of the work vehicle operation control method of the invention related to the present invention described above, and is a computer-readable recording medium in which the read program is used in cooperation with a computer.

[0086] In addition, the above-mentioned "some steps (or processes, operations, actions, etc.)" means one or some steps among the multiple steps.

[0087] Furthermore, the above-mentioned "operation of a step (or process, operation, action, etc.)" means the operation of all or a part of the above-mentioned steps.

[0088] Furthermore, one mode of use of the inventive program related to the present invention may be in the form of being transmitted through a transmission medium such as the Internet, light, radio waves, or sound waves, being read by a computer, and operating in cooperation with the computer.

[0089] Furthermore, the recording medium includes a ROM (Read Only Memory) and the like.

[0090] Furthermore, a computer is not limited to pure hardware such as a CPU (Central Processing Unit), and may also include firmware, an OS (Operating System), and even peripheral devices.

[0091] As described above, the configuration of the present invention may be realized in software or in hardware. [Industrial Applicability]

[0092] The work vehicle of the present invention can improve usability and is useful for use as a work vehicle such as a carrot harvesting vehicle. [Explanation of symbols]

[0093] 10 Carrot harvesting device 20 Lifting conveyor device 30 Carrot container dump device 31 Parallel frame members 32 Parallel bar member 40 Carrot container shooter device 50 Carrot container placement device 60 Carrot container mounting device sensor 70 First Container Sensor 80 First Carrot Container 90 Second Carrot Container 101 Assistant operator's seat 102 Carrot Container Main Carrier 103 Assistant operator's seat pedal unit 104 Free roller parts 105 Guard material 106 Wire material 107 Solenoid parts 108 Drive roller device 501 Swingarm α Gap β Spacing

Claims

1. a lifting conveyor device that transports the crops harvested by the crop harvesting device in a left-right direction of the vehicle body; a crop container dump device attached to the lifting conveyor device near a conveyor outlet, the crop container dump device having a first crop container for accommodating the crop transported by the lifting conveyor device; A crop container shooter device attached to an outer side in the left-right direction of the vehicle body of the crop container dump device, in which a second crop container for accommodating the crop transported by the lifting conveyor device is set; a crop container loading platform device disposed below the crop container dump device for loading the first crop container and the second crop container; Equipped with The crop container dump apparatus has two parallel frame members arranged at a front-to-rear distance greater than a front-to-rear width of the first crop container in a front-to-rear direction of the vehicle body, A work vehicle characterized in that, as the lifting conveyor device rises, the crop container dump device rises without interfering with the first crop container that has been set.

2. two parallel bar members for automatically or manually selecting a crop container receiving position or a crop container releasing position are attached to the undersides of the two parallel frame members; When the crop container receiving position is selected, the two parallel bar members are closed by rotating inwardly, and support the first crop container or the second crop container from below; The work vehicle according to claim 1, characterized in that, when the crop container escape position is selected, the two parallel bar members are opened by rotating downward and do not interfere with the first crop container or the second crop container.

3. The work vehicle described in claim 2, characterized in that the crop container receiving position is selected, and the two parallel bar members support the first crop container from below while the lifting conveyor device descends, so that the crop container dump device descends to near the upper surface of the crop container loading platform device, and then the crop container release position is automatically or manually selected, and the first crop container is loaded from the crop container dump device to the crop container loading platform device without the two parallel bar members interfering with the first crop container.

4. a crop container platform sensor attached near the parallel bar members for detecting the presence of the crop container platform in a contact or non-contact manner; The work vehicle of claim 3, characterized in that the crop container release posture is automatically selected based on the detection result of the crop container loading platform device sensor, and the first crop container is loaded from the crop container dump device to the crop container loading platform device.

5. The work vehicle described in claim 3, characterized in that after the first crop container is loaded onto the crop container loading platform device, the lifting conveyor device is raised, so that the crop container dump device is raised to near the upper surface of the first crop container without the two parallel bar members interfering with the first crop container, and the crop container receiving position is automatically or manually selected again, and the second crop container is slid from the crop container shooter device to the crop container dump device so that the two parallel bar members support the second crop container from below.

6. a first crop container sensor attached adjacent to the parallel bar member for detecting the absence of the first crop container in a contact or non-contact manner; The work vehicle of claim 5, wherein the crop container receiving position is automatically reselected based on the detection result of the first crop container sensor, and the second crop container is slid from the crop container shooter device to the crop container dump device.

7. 6. The work vehicle of claim 5, wherein after the second crop container is slid into the crop container dump apparatus, the crop container dump position is automatically or manually selected again and the second crop container is loaded from the crop container dump apparatus into the first crop container.

Images