JP2008283941A - Working machine - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve the safety of operation by solving the problems wherein when attaching procedure is mistaken at the attachment of a working machine to a vehicle body, unexpected accident may occur by docking miss or the like, and a normal operation cannot be carried out by the change of the posture of the working machine, by guiding and informing the attaching and detaching procedure of the working machine by voice as a step by step guide. <P>SOLUTION: The working machine is constituted as follows. A working device is detachably attached to a traveling vehicle through an attaching and detaching hitch, and has a plurality of linking parts requiring the attachment or detachment when attaching and detaching the working device. A voice-outputting means 37 for outputting voice guides for urging the attachment or detachment of each linking part in order of necessity of the attachment or detachment of each linking parts. <P>COPYRIGHT: (C)2009,JPO&amp;INPIT

Description

  The present invention relates to a working machine such as a tractor or a rice transplanter.

Patent Document 1 discloses a technique in which a plurality of types of work machines such as a planting work machine and a fertilizer / chemical spreader can be selectively mounted on a traveling vehicle body, and the work machine can be easily attached and detached. ing.
JP 7-312931 A

  When attaching / detaching the work implement to / from the vehicle body, for example, if the installation procedure is incorrect, an accident may occur due to a docking error, or normal work cannot be performed due to a change in the posture of the work implement. .

  An object of the present invention is to notify the operator of the work order of attaching and detaching work implements by voice one step at a time, thereby solving the above problems and making the work safe.

In order to solve the above problems, the present invention has taken the following technical means.
That is, according to the present invention, the working device (10) is configured to be detachably provided on the traveling vehicle via the detachable hitch (63, 71), and it is necessary to attach and detach the working device (10). A plurality of connecting portions (63a, 71a, 63b, 71b) are provided, and voice output means (37) is provided for sequentially outputting voice guidance for prompting attachment / detachment of each connecting portion in the order in which the attaching / detaching work is necessary. .

  When the work device (10) is attached / detached, the order of the attachment / detachment work is guided by voice. For example, when the voice guidance button (30) is pressed at the start of the attachment / detachment work, a voice guide for one stroke flows by the voice output means (37), and the worker works according to the voice guide. When the work for one stroke is completed and the guidance button is pressed again, a voice guide for the next stroke flows.

  In short, according to the present invention, since the work device attaching / detaching work sequence is voice-guided step by step, erroneous work in the attaching / detaching operation of the working device can be prevented, and attachment / detachment can be optimized and work safety can be achieved.

An embodiment of the present invention will be described with reference to the drawings.
FIG. 1 shows a riding type rice transplanter equipped with a seedling planting work machine as an example of a farm work machine. An engine E as a drive source is mounted in the approximate center of the vehicle body 1, and the rotational power of the engine E is shown. Is transmitted to the transmission in the mission case 2, and the rotational power decelerated by the transmission is transmitted to the front wheels 4 and the rear wheels 5. A driver's seat 6 is installed above the engine E, a steering handle 7 for steering the operation box 3 and the front wheels 4 and 4 is provided in front of the driver's seat 6, and a work device 10 is provided at the rear of the vehicle body 1. A seedling planting work machine is mounted via an elevating link mechanism composed of an upper link 8 and a lower link 9, and hydraulic lifting is performed between the planting work machine 10 and the vehicle body 1 to raise and lower the planting work machine 10 up and down. A cylinder 11 is provided.

  The seedling planting work machine 10 is a seedling mounting tank 12 on which a mat-like seedling with soil is placed on a seedling mounting surface divided into a number of planting strips, and planting for seedlings on the seedling mounting tank in a field. It consists of a number of planting devices 13 and a center float 14a, a side float 14b, etc. that slide on the field and level up and down by the expansion and contraction of the hydraulic lifting cylinder 11 to rise to a non-working position, The work position (ground planting position) can be lowered. The power transmission to the seedling planting work machine 10 is performed from the engine E through the planting transmission shaft 15, and the planting operation in the planting clutch case 16 that turns on and off the transmission of the planting transmission shaft 15. This is done via a clutch.

The raising / lowering operation of the seedling planting work machine 10 is configured such that it can be manually operated based on the operation of the raising / lowering lever 17 provided on the right side of the operation box 3.
Further, in FIG. 1, a fertilizer application device 60 is provided on the rear side of the driver's seat 6, and fertilizer is applied through the fertilization hose 61 and the fertilization guide 67 near the side of the seedling planted at the same time as planting the seedling. . 68 denotes a fertilizer blower, and 69 denotes a blower driving motor.

  The front wheel axle 4a is eccentric from the rotation center axis 20a, and the vertical position of the front wheel 4 relative to the fuselage can be adjusted by rotating the front wheel final case 20 around the rotation center axis 20a. Yes. Further, the rear wheel final case 21 that supports the rear wheel axle 5a is swingable and displaceable about the shaft 21a, and the angle of the rear wheel lifting cylinder 22 can be adjusted to arbitrarily adjust the lifting position of the rear wheel 5. It is said.

  Further, if the front / rear horizontal control of the airframe is made to function, the rear elevating cylinder 22 is controlled so that the detection value of the horizontal sensor 24 is maintained horizontal to the airframe, and according to the rotation of the front wheel final case 20. The rear wheel final case 21 also pivots up and down with the shaft 21a as a pivot, and the vertical position of the rear wheel 5 with respect to the body changes, whereby the vehicle height can be adjusted while keeping the body horizontal.

  The lifting / lowering link mechanisms 8 and 9 of the work implement have a parallel link configuration, and the base ends of the upper link 8 and the lower link 9 are rotatably attached to a link base frame 62 erected at the rear end portion of the main frame 23. The traveling vehicle body side hitch 63 is connected to the front end side.

  An upper engagement member 63a and lower engagement members 63b, 63b for engaging engagement pins 71a, 71b, 71b of the work implement side hitch 71 are fixed to the upper end portion and the rear surface portion of the traveling vehicle body hitch 63, respectively. ing. The upper engaging member 63a has a concave shape that opens upward, and the upper engaging member 63a and the engaging pin 71a are engaged and disengaged in the vertical direction. Further, the lower engagement members 63b and 63b have a concave shape opened rearward, and the lower engagement members 63b and 63b and the engagement pins 71b and 71b are engaged and disengaged in the front-rear direction. The engaging pins 71b and 71b engaged with the lower engaging members 63b and 63b are fixed so as not to deviate backward by the fixing hooks 63d and 63d operated by the detachable levers 63c and 63c. Yes. Further, a rolling lock release arm 63e having a tip formed in a horizontal bar shape is provided at the lower end portion of the traveling vehicle body hitch 63.

  The work machine side hitch 71 is provided with engagement pins 71a, 71b, 71b that engage with the engagement members 63a, 63b, 63b of the traveling vehicle body side hitch 63, a rolling lock device, and a link push-down device. Yes.

  The rolling lock device has a configuration in which round bars 71d and 71d attached to a rotating shaft 71c and a rolling lock release lever 71c are urged around an axis by a spring 71f. When the work machine side hitch 71 is detached from the traveling vehicle body side hitch 63, the round bars 71d, 71d abut the planting work machine 10 against the fixed rolling stoppers 71g, 71g, and the seedling tank 12 is moved from the neutral position. The planting work machine 10 does not roll with respect to the hitch 71 even when stopped at the shifted position. When the work implement side hitch 71 is connected to the traveling vehicle body side hitch 63, the rolling lock release arm 63c pushes the rolling release lever 71c, so that the round bars 71d and 71d are disengaged from the rolling stoppers 71g and 71g. The hitch 71 can be rolled.

  The link pressing device urges a pressing plate 71h projecting forward by a spring 71i downward, and when the work implement side hitch 71 is removed from the traveling vehicle body side hitch 63, at least the upper engaging member The traveling vehicle body side hitch 63 is pushed down until 63a becomes lower than the upper engaging pin 71a.

  As shown in FIG. 4, on the input side of the control unit (controller) 28, the voice guidance button switch 30 of the voice guidance button 29 installed on the upper part of the link base frame 62, the detachment switch for detecting the detachment state of the work implement 31, Lock for detecting whether the hose detection switch 32 for detecting the set state of the fertilizer hose 61 of the fertilizer application apparatus 60, the coupler 33 of the electrical equipment section, and the connecting part that requires attachment / detachment of the work implement is in the locked state or the unlocked state A detection switch 34, a stand detection switch 35 for detecting whether or not the work implement is held horizontally on the stand 65, a lift link sensor 36 for detecting whether the work implement is raised or lowered, and the like are connected. The output side is provided with a voice output device 37 that provides voice guidance for attaching and detaching work implements.

  Each time the voice guidance button 29 is pressed, the order of attaching / detaching work implements is guided by voice one step at a time. For example, when the guidance button is pressed at the start of attachment / detachment work, the voice output device 37 is output via the attachment / detachment switch 31 and the lock detection switch 34 of the work implement, and the voice guide for one stroke (for example, “lifting the lifting link” Engage the engagement member of the vehicle body side hitch with the engagement pin of the work implement side hitch. ”) Flows. When the work for one stroke is completed and the guidance button is pressed again, a voice guide for the next stroke flows.

  The planting work machine 10 is mounted on the traveling vehicle body in the following work sequence. At this time, each time the voice guidance button 29 is pressed, a voice guide for one stroke flows, so that it is possible to prevent erroneous work in the work machine attachment / detachment work, to accurately attach the work machine, and to ensure work safety. Can be achieved.

  When the work machine is mounted, the traveling vehicle body 1 is in a state of being lowered after raising the left and right front wheels 4 and 4 and lowering the left and right rear wheels 5 and 5. The planting work machine 10 is in a state where the stand 65 is erected and held in contact with the ground horizontally. The traveling vehicle body 1 is moved back toward the planting work machine 10, and the traveling vehicle body is stopped at a position where the traveling vehicle body hitch 63 is below the work machine side hitch 71. And the raising / lowering link mechanisms 8 and 9 are rotated up, and the upper engaging member 63a is engaged with the upper engaging pin 71a. (At this time, since the traveling vehicle body 1 is rearwardly lowered, the traveling vehicle body side hitch 63 moves upward while drawing an oblique trajectory positioned rearward as the upper side, and the traveling vehicle body side hitch 63 and the work implement side hitch are moved upward. Then, when the elevating link mechanisms 8 and 9 are rotated upward, the lower part of the work implement side hitch 71 is moved to the traveling vehicle body side hitch 63 as the planting work implement 10 is lifted upward. The lower engaging members 63b and 63b are engaged with the lower engaging pins 71b and 71b. Thereafter, the detachable levers 63c and 63c are rotated forward, and the lower engaging members 63b and 63b and the engaging pins 71b and 71b are fixed by the fixing hooks 63d and 63d.

  In the embodiment shown in FIG. 5, in a farming machine such as a rice transplanter or a tractor provided with a voice recognition device (set in the operation box 3) 40 having a voice recognition function, the operator's voice recognition microphone 41 is placed on the steering in front of the operator. The structural example provided in the center part of the handle | steering-wheel 7 is shown. As a result, even when the steering wheel is turned during the work, the voice emitted from the operator can be accurately recognized.

  In addition, if the rice transplanter with a voice recognition function is configured so that numbers can be recognized by voice, for example, when rewriting a controller reference value or the like, the number can be recognized by voice to facilitate rewriting work. it can. Moreover, the sensitivity adjustment of raising / lowering control, planting depth, seedling amount adjustment, inter-strain adjustment, fertilizer feed amount adjustment, etc. can be easily changed by numerical voice recognition. Furthermore, the scissors with the heel clutch can be operated by numerical voice recognition, and can be easily operated by numerical voice recognition even at the planting speed.

  The embodiment shown in FIG. 6 is configured such that the seedling tank 12 swings up and down with the support shaft 43 on the upper end side as a fulcrum and is locked by the engagement of the lock claw 45 with the lock pin 44. And a lock release state in which the lock is released by releasing the engagement of the lock claw with respect to the lock pin. A handle 46 for lifting is provided. The handle 46 is provided with a lock release lever 47 for releasing the lock.

  Conventionally, when performing rice transplanting work on a large field, it is necessary to supply a large amount of seedlings to the planting part, and sometimes it is necessary to supply seedlings even during straight planting. When a spare seedling is mounted, there is a problem that the weight of the entire body increases and the planting work performance deteriorates.

  Therefore, separately from the rice transplanter, a seedling feeder that can run in the field can be provided, and seedlings can be replenished from the seedling feeder to the rice transplanter even during straight planting. For example, as shown in FIG. 7, the seedling feeder 51 including the preliminary seedling stand 50 is configured to follow the unplanted side of the rice transplanter 1 while keeping a certain distance from the rice transplanter. As a traveling pattern of the seedling feeder, a remote control type or an automatic GPS traveling method can be considered. Further, as shown in FIG. 8, when the seedling supply button 52 installed on the operation box 3 is pressed, the seedling supply machine can be stopped at a position where the seedling supply is easy on the side of the rice transplanter. . Furthermore, when the seedling replenishment button is pressed, the operation of the seedling feeder can be operated using the steering handle 7 of the rice transplanter.

Side view of rice transplanter Side view showing a state where the traveling vehicle body side hitch and the work equipment side hitch are engaged. Rear view of the main part Control block circuit diagram Rear view of the main part showing the relationship between the steering handle and the operation box Side view of seedling loading tank of seedling planting machine Plan view showing the working conditions of rice transplanter and seedling feeder Plan view of the operation section of rice transplanter

Explanation of symbols

1 Traveling body 10 Working device (seed planting work machine)
30 Voice guidance button switch 31 Detachable switch 34 Lock detection switch
37 Audio output device 63 Traveling vehicle body side hitch 63a Upper engagement member 63b Lower engagement member 71 Work implement side hitch 71a Upper engagement pin 71b Lower engagement pin

Claims (1)

  The working device (10) is configured to be detachably provided on the traveling vehicle via a detachable hitch (63, 71), and a plurality of connecting portions (63a, 71a, 63b, 71b), and is provided with voice output means (37) for sequentially outputting voice guidance for prompting attachment / detachment of each connecting portion in the order of attaching / detaching work.

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