JP3481291B2 - Automatic traveling control type chemical sprayer - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic traveling control type chemical sprayer used for spraying chemicals in an orchard where apples, grapes, pears and the like are cultivated. 2. Description of the Related Art Conventionally, as an embodiment of an automatic traveling control type chemical sprayer, there is one disclosed in Japanese Patent Publication No. 62-2856. [0003] That is, in the above-mentioned automatic traveling control type chemical sprayer, a driver's seat is provided on a left front portion of a body frame, a prime mover portion is provided on a right front portion, and a chemical solution tank is disposed immediately behind these components. The spraying part is arranged at the position immediately behind the spraying part, so that the medicine can be sprayed around from the spraying part, and a plurality of abutments protruding laterally at the front left and right positions of the body frame are projected. The armature can be guided in a desired direction by detecting a stake erected in the field by the abutment. As described above, in the above-described automatic running control type chemical sprayer, the operator can sit on the driver's seat and perform the steering operation, and the operator can sit unattended without sitting on the driver's seat. It is also possible to guide and steer in the state described above. [0005] However, in the above-described automatic traveling control type medicine spraying machine, since the upper part and the outside of the driver's seat are open, the medicine spraying operation is difficult. There is a possibility that a tree branch or the like hits switches or the like in the driver's seat and causes erroneous operation or malfunction. [0006] During the spraying operation of the medicine, the medicine sprayed from the spraying portion adheres to the operation lever and the driver's seat of the driver's seat and becomes wet or dirty. However, there is a trouble that the adhered medicine must be wiped off. In addition, there is another problem that during operation of spraying a medicine, an overhanging tree branch or the like hits an operation lever or the like provided on a driver's seat, and the branch or the like is easily damaged. [0008] Therefore, in the automatic running control type chemical sprayer of the present invention, a motor unit covered with a bonnet is provided at the front of a self-propelled running machine, and An automatic traveling control-type medicine spraying machine provided with a driver's seat portion on the right side immediately behind and a medicine spraying work section on the rear portion of the driver's seat portion. Forming a stepped recess extending in the direction, a rectangular box-shaped cover body storage case is arranged in the stepped recess in a front-low-back-high inclination,
A take-up roll extending in the front-rear direction is rotatably mounted between the front and rear walls of the case. The base end of the sheet-like cover is wound around the take-up roll, and the free end of the cover is provided. On the side, a locking body is attached, the cover body can be freely inserted and removed through the cover body opening formed in the cover body storage case, and a spring is attached to the winding roll,
The take-up roll is urged in the cover body take-up rotation direction to wind the cover around the take-up roll, and the cover body is used at a position where the driver seat portion is covered and a storage position where the driver seat portion is opened. And the position can be changed. In particular, a step is provided between the peripheral wall of the operation panel provided at the front part of the driver's seat and the rear edge of the right half of the bonnet, and the chemical liquid tank is formed to form the rear wall of the driver's seat. A stepped recess is provided in the peripheral edge of the right half of the front wall, and the front and rear side edges of the cover body are slidable along the peripheral wall of the operation panel and the peripheral wall of the stepped recess of the chemical solution tank, respectively. The peripheral wall of the operation panel and the stepped concave portion of the chemical liquid tank are formed so that the surface of the liquid container is substantially flush with the surface of the bonnet and the surface of the chemical liquid tank. The take-up roll, which has a high inclination, is cut obliquely in advance only at the inclination angle that becomes the downward inclination, and extends in the front-rear direction formed in the bonnet and the chemical solution tank in the middle of the cover body. Align with ridge Were placed 支骨 material that position. When the medicine spraying operation is performed while the automatic running control type medicine spraying machine is running unattended, the driver's seat is closed by setting the cover body to the use position for covering the driver's seat. In this state, it is possible to prevent tree branches and the like from hitting switches and the like in the driver's seat, and to prevent chemicals sprayed from the spray unit from adhering to the operation lever and the driver's seat. it can. Further, since the overhanging tree branch or the like does not directly hit the lever or the like in the driver's seat, damage to the branch or the like can be prevented. Then, the take-up roll is mounted with its axis oriented in the front-rear direction of the machine body, a sheet-like cover body is wound around the take-up roll, and the take-up roll is urged in the cover body take-up rotation direction. In this case, by pulling out and locking the free end side of the cover body against the rotational bias of the take-up roll, the position can be easily changed to the use position for covering the driver's seat, and the cover can be changed. When the lock on the free end side of the body is released, the cover body is automatically wound up by the urging force of the winding roll in the winding rotation direction and can be moved to the storage position. When a suitable number of aggregates are attached to the cover at predetermined intervals in parallel with the axis of the take-up roll, the intermediate portions of the sheet-shaped cover hang down due to the aggregates. Can be prevented, the work of pulling out and winding the cover body can be performed smoothly, and the cover function can be ensured well. Embodiments of the present invention will be described below with reference to the drawings. A shown in FIGS. 1 to 5 is an automatic traveling control type medicine sprayer according to the present invention. The automatic traveling control type medicine spreader A has a driver's seat 2 attached to a self-propelled traveling body 1. And a medicine spraying operation unit 3, and the operator can perform the medicine spraying operation by operating the medicine spraying operation unit 3 while steering the traveling machine while sitting on the driver's seat portion 2. The medicine spraying operation unit 3 can also perform the medicine spraying operation while guiding the traveling machine 1 in an unmanned state without the operator getting on the seat 2. The traveling body 1 is, as shown in FIGS.
A prime mover section 5 such as an engine is provided at the front of the body frame 4, and a traveling speed change mechanism 6 is provided at the left side immediately behind the prime mover section 5,
A PTO output speed change transmission mechanism 7 and a water suction pump 61 and a chemical liquid pump 64 which form a part of the medicine spraying operation section 3 described later are arranged, while the driver's seat section 2 is arranged on the right side immediately after the motor unit 5. A medicine spraying work unit 3 is disposed at the rear, and left and right front wheels 8, 8 and left and right rear wheels 9, 9 are attached to the left and right front and rear portions of the body frame 4, respectively, to provide a mechanical or hydraulic system. The four-wheel steering is enabled by a power steering mechanism (not shown) including The motor unit 5 on the body frame 1
Is covered by a hood 10, and the traveling speed change mechanism 6 and the like disposed on the left side of the driver's seat 2 are covered by an opening / closing cover body 11. In FIGS. 1 to 5, G is a field, and K is the field G.
Is a pair of left and right magnetic sensors attached to the traveling machine body 1. For example, both magnetic sensors S, S are arranged in the hood 10 in a left-right facing state, and the two magnetic sensors S S, S detect the strength of the magnetic field generated around the guide cable K, and can guide the traveling body 1 along the guide cable K. P
Is a receiving antenna, which is capable of receiving command signals on a plurality of channels from a remote control transmitter. R is an abnormal alarm display lamp, C is a display lamp protective cover for protecting the abnormal alarm display lamp R, and is formed in a streamline shape gradually swelling backward from the front end. The receiving antenna P is disposed immediately behind the rear wall, and the base of the receiving antenna P is protected by the display lamp protection cover C. In other words, the overhanging tree branches and the like are the indicator lamp protective cover C
When the surface slides from the front end side to the rear end side, the branches and the like are guided rearward and upward, and the branches and the like collide with the base of the receiving antenna P to damage the receiving antenna P. And so on. FIG. 3, FIG. 4 and FIG.
As shown in FIG. 5, a water absorption pump 61 that absorbs water through a water absorption hose 60, a chemical solution tank 62 to which the water absorbed by the water absorption pump 61 is supplied, and a chemical solution that sucks the chemical solution in the chemical solution tank 62 through a chemical solution hose 63. The pump includes a pump 64, a plurality of spray nozzles 66 for spraying a chemical solution pumped from the chemical solution pump 64 through a pressure feeding hose 65, and a fan 67 for scattering the chemical solution sprayed from the spray nozzle 66. 60a
Is a water absorption strainer attached to the tip of the water absorption hose 60,
68 is an on-off valve, 69 is a strainer, 70 is a pressure regulating valve, 71 is an on-off valve for spraying, and 75 is a water source. The water suction pump 61, the chemical pump 64, and the fan 67 are connected to the PTO output transmission mechanism 7 in an interlocked manner. 74 is a fan case. The water-absorbing hose 60 is housed in a water-absorbing hose accommodating concave portion 72 formed at the lower portion of the left side wall of the chemical solution tank 62 through hose holding pieces 73, 73 so as to be freely taken out. The portion 60b is fitted and accommodated in a water-absorbing hose accommodating groove 74a formed on the peripheral wall of the fan case 74. As described above, in the medicine spraying work section 3,
Connect the water absorption strainer 60a to the water source 75, and
By performing the suction operation of 61, a water absorbing operation of supplying the water from the water source 75 to the chemical liquid tank 62 through the water absorbing hose 60 is enabled. After the on-off valve 68 and the on-off valve 71 for spraying are opened, the chemical solution pump 64 is operated to suck the chemical solution in the chemical solution tank 62 through the chemical solution hose 63, and a plurality of pressure chemical hoses through the pressure feeding hose 65. Each of the spray nozzles 66 is pressure-fed to spray the medicine from each of the spray nozzles 66, and the fan 67 is rotated so that the medicine can be scattered outward and sprayed. The driver's seat section 2 has an operation panel section 20 at a front portion, a handle column 21 standing upright from a lower portion of the operation panel section 20 toward the rear and upward, and a handle 22 at an upper end of the handle column 21. Installed via handle shaft 23, handle 22
The driver's seat support 24 is disposed immediately behind the driver's seat, the driver's seat 26 is placed on the driver's seat support 24, and the floor located between the driver's seat 26 and the handle 22 is defined as a step 32. None, an operation lever column 27 is arranged on the left side of the step portion 32, and the operation lever column 27 has a fan transmission lever 28 and a main transmission lever 29.
And a sub-transmission lever 30 and a four-wheel drive / two-wheel switch lever 31. In the above configuration, the gist of the present invention is that the driver's seat 2 is provided with a cover 35 for covering the driver's seat 2.
And the cover 35 can be repositioned between a use position for covering the driver's seat portion 2 and a storage position for opening the driver's seat portion 2. It will be described with reference to FIG. That is, as shown in FIGS. 7 to 9, a stepped concave portion 36a extending in the front-rear direction is formed at the upper end of the inner side wall 36 of the driver's seat portion 2, and extends in the front-rear direction in the stepped concave portion 36a. A cover body storage case 37 formed in the shape of a rectangular box having a narrow width on the right and left is placed, and a take-up roll 38 extending in the front-rear direction is rotatably suspended between front and rear walls 37a, 37a of the case 37, and The base end side of a sheet-shaped cover body 35 formed of a flexible synthetic resin sheet is wound around a take-up roll 38, and the free end side of the cover body 35 is placed on the upper right side wall of the cover body storage case 37. The cover body can be freely inserted and removed through the formed cover body access port 39. As shown in FIG. 8, a mainspring 40 as a rotation urging member is attached between the winding roll 38 and the rear wall 37a of the cover housing case 37, and the winding roll 38 is mounted on the cover. It is urged in the winding direction. As shown in FIGS. 2, 7 and 8, the cover body 35 has a free edge 35a formed in a band shape and a free edge 35a.
Along with the rod-shaped support members 41 having substantially the same length as the front-rear width of 35a, a plurality of rod-shaped support members 42, 42, 42 are also provided in the middle of the cover body 35 at intervals in the drawing direction. In this embodiment, as shown in FIG.
The supporting aggregates 42, 42, 42 are arranged at positions matching the ridge lines 10a, 10b, 10c, 62a, 62b, 62c formed in the front-rear direction formed on the chemical solution tank 62 and the free edge of the cover body 35, respectively. Attach a rectangular ring-shaped stopper 43 to the center of 35a
a stopper member 4 for preventing the entanglement formed on the front and rear sides of
4,44 are installed. Reference numeral 45 denotes a locking hook attached to the driver's seat support 24, and the locking body 43 can be locked to the locking hook 45. Here, the rod-like supporting aggregates 41 and 42 are respectively connected to cover cover insertion / removal openings 39 formed in the cover housing case 37.
It is formed to have a diameter that allows it to pass through the inside, and has a strength that allows the cover body 35 to be stretched. As shown in FIGS. 7 to 10, the peripheral wall 20a of the operation panel unit 20 and the right rear half edge 10 of the bonnet 10 are provided.
d, while a stepped recess 62 is formed in the periphery of the right half of the front wall of the chemical solution tank 62 forming the rear wall of the driver's seat 2.
d, the front and rear side edges 35b and 35c of the cover body 35 are slidable along the peripheral wall 20a of the operation panel section 20 and the peripheral wall of the stepped recess 62d of the chemical solution tank 62, respectively. 20 peripheral wall 20a and stepped recess 62d of chemical solution tank 62
8 and 10, the surface of the cover 35 is formed so as to be substantially flush with the surface of the bonnet 10 and the surface of the chemical solution tank 62, and at least the cover 35 is expanded outward. I am trying not to go out. As shown in FIG. 11, even when the take-up roll 38 extending in the front-rear direction is laid in a slanted manner with a low front-rear height as shown in FIG. The take-up roll 38 is cut obliquely in advance by an inclination angle θ that is a downward inclination with respect to the virtual horizontal line so that 35c can be pulled out in the vertical direction. With the above-described configuration, when the automatic spraying-controlled medicine spraying machine A travels unattended to perform the medicine spraying operation, the cover body 35 is changed to the use position, whereby the same cover body 35 is used. Thereby, the upper side and the right side of the driver's seat portion 2 can be covered. That is, when the cover 35 is set to the use position, as shown in FIGS. 1 and 8, the free edge 35a of the cover 35 in the storage position is gripped and the spring 40 is moved outward. The locking member 43 attached to the free edge 35a is pulled out against the rotational urging force and is locked to a locking hook 45 mounted on the driver's seat support base 24. At this time, the cover body 35 has front and rear side edges 35b, 35
c and the peripheral wall 20a of the operation panel section 20 and the chemical solution tank 62, respectively.
By sliding along the peripheral wall of the stepped concave portion 62d, it can be pulled out smoothly, and
35 free edges 35a and four supporting aggregates 41, 42, 42, 4 in the middle
2 prevents hanging of the cover body 35 in the middle, so that the pull-out operation can be performed smoothly from this point, and the cover body 35 is held in the used position. Satisfactorily, the cover body 35 can be prevented from catching on a tree branch or the like, and the cover body 35 can be prevented from being turned up. Moreover, the surface of the cover 35 is
10 and the surface of the chemical solution tank 62, so that it is possible to prevent the overhanging tree branch or the like from being caught on the cover body 35, and the cover body 35 It is possible to prevent rolling up and the like. Further, the respective aggregates 41, 42, 42, 42 are aligned with the ridge lines 10a, 10b, 10c, 62a, 62b, 62c extending in the front-rear direction formed on the bonnet 10 and the chemical tank 62, respectively. , A continuous ridge pattern in the front-rear direction can be formed, and the aesthetic appearance of the automatic traveling control type medicine sprayer A can be improved. The cover body 35 is also provided with the front and rear side edges 35b, 35b in advance even when the axis of the take-up roll 38 is attached to the imaginary horizontal line at a tilt angle θ from front to back and back to back. Since the cover 35c is formed so as to be able to be drawn out along the vertical direction, the aesthetic appearance of the machine when the cover 35 is set at the use position can be ensured well. When the cover body 35 is set to the storage position, if the locking body 43 is unlocked from the locking hook 45, the winding roll 38 is urged in the cover body winding rotation direction. The cover body 35 is freely wound around the winding roll 38 by the rotational urging force of the mainspring 40, and the free edge of the cover body 35
The stopper members 44, 44 for preventing entanglement attached to the cover 35a are abutted and locked on the cover body insertion / reception port 39, so that the storage state can be maintained. At this time, the cover 35 can be compactly stored in a state of being wound in the cover storage case 37. When the cover body 35 is set at the use position, a tensile force can be applied to the cover body 35 by the rotation urging force of the mainspring 40, and the cover body 35 is held in a stretched state while the cover body 35 is stretched. Therefore, it is possible to prevent the cover body 35 from hanging down, prevent a tree branch or the like from being caught on the cover body 35, and prevent the cover body from turning up. Next, another characteristic configuration of the present embodiment will be described. As shown in FIGS. 1 to 4, a traveling emergency stop switch 50 and a water absorption switch 51 for driving a water absorption pump are provided on the left side wall of the bonnet 10. And a front emergency stop switch on the right side wall of the hood 10.
52 and a display 53 for displaying the operation state of the apparatus and the like. Then, by pressing the travel emergency stop switches 50 and 52, a fuel cut solenoid (not shown) provided in the machine is operated, and the engine is stopped to thereby stop the machine in an emergency. It is possible. The display 53 is provided with, for example, an engine speed suitable / inappropriate display unit, a guidance signal detection state display unit, an obstacle detection display unit, and a radio control use state display unit. This allows the operating state of the machine to be visually recognized. As described above, when it is necessary to urgently stop the machine during the medicine spraying operation while the automatic running control type medicine sprayer A is unmanned, the left and right By pressing one of the traveling emergency stop switches 50, 52 attached to the side walls, the machine can be stopped urgently. At this time, since the driver's seat 2 is covered with the cover 35 set at the use position, the driver's seat 2 is covered.
In order to operate the switches provided in the above, it is necessary to take time to change the position of the cover body 35 to the storage position, but the operator presses one of the nearest travel emergency stop switches 50, 52. This makes it possible to immediately stop the machine. When the suction pump 61 is operated to suck water into the chemical liquid tank 62, the water suction switch 51 attached to the left side wall of the bonnet 10 on which the water absorption hose is provided is depressed. In addition, the water absorption work can be performed easily. Further, the operator can easily check the state of the unattended spraying of the medicine without changing the position of the cover body 35 to the storage position by visually recognizing the indicator 53 attached to the right side wall of the bonnet 10. can do. According to the present invention, the following effects can be obtained. Since the driver's seat can be covered by the cover body, the driver's seat can be closed so as not to be affected by external influences. Medicine spraying operation can be performed safely and efficiently, and the medicine sprayed from the medicine spraying work section is prevented from adhering to the operation lever, the driver's seat, etc. of the driver's seat. Thus, it is possible to save labor for wiping off the adhered medicine. By sliding the cover body while the front and rear side edges of the cover body are respectively along the peripheral wall of the operation panel and the peripheral wall of the stepped recess of the chemical solution tank, the cover body can be pulled out smoothly. By attaching a locking body to the free edge of the cover body and attaching a support to the middle part of the cover body, it is possible to prevent the middle part of the cover body from hanging down. Also, the work of drawing out the cover body can be smoothly performed, and the cover body can be properly held and held in the use position. The surface of the cover body is made substantially flush with the surface of the bonnet and the surface of the chemical solution tank, thereby preventing the overhanging tree branches and the like from being caught on the cover body. As a result, the cover body can be prevented from being turned up. Further, the support body is arranged on the cover at a position matching the ridge extending in the front-rear direction formed on the bonnet and the chemical solution tank, thereby forming a ridge pattern continuous in the front-rear direction. Thus, the aesthetic appearance of the automatic traveling control type drug sprayer can be improved. Further, the cover body is formed by being cut obliquely in advance in accordance with the inclination angle of the take-up roll which is inclined from front to back and then back, so that the cover body can be smoothly drawn out along the vertical direction. In addition to the above, the aesthetic appearance of the automatic traveling control type medicine spreader when the cover body is set at the use position can be secured well.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a right side view (cover body storage position) of an automatic traveling control type chemical sprayer according to the present invention. FIG. 2 is a right side view of the automatic traveling control type medicine sprayer (cover use position). FIG. 3 is a plan view of the automatic traveling control type medicine sprayer. FIG. 4 is a left side view of the automatic traveling control type medicine spreader. FIG. 5 is a front view of the automatic traveling control type medicine spraying machine. FIG. 6 is an explanatory block diagram of a medicine spraying operation unit. FIG. 7 is a perspective view of a cover body at a use position. FIG. 8 is an explanatory view of use of the cover body. FIG. 9 is an explanatory longitudinal sectional view of the cover body. FIG. 10 is an explanatory sectional view of the cover body. FIG. 11 is an explanatory diagram of a shape of the cover body. [Description of Signs] A Automatic running control type medicine spraying machine 1 Running machine 2 Driver's seat section 3 Medicine spraying work section 4 Body frame 5 Motor unit 35 Cover body 38 Take-up roll

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Yushi Kinoshita 1-7-2 Suehirocho, Ome-shi, Tokyo 2 shares Inside Kyoritsu (72) Inventor Yoshio Fukumuro 1-7-2 Suehiro-cho 2-7 shares, Ome-shi, Tokyo Shikisha Kyoritsunai (56) References JP-A 57-152964 (JP, U) JP-A 62-54816 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B05B 17 / 00-17/08 A01M 7/00

Claims (1)

(57) [Claims] [Claim 1] A self-propelled traveling body (1) has a front
A motor unit (5) covered with a net (10) is provided.
The driver's seat (2) is provided on the right side immediately after (5), and the driver's seat is
(2) Automatic travel control type with a chemical spraying work section (3) at the rear
A medicine sprayer, wherein the upper end of an inner wall (36) located on the left side of the driver's seat (2) has a front end.
A stepped recess (36a) extending rearward is formed, and a rectangular box-shaped cover housing case (3 ) is formed in the stepped recess (36a).
7) is arranged in a slanted shape with low front and rear, and extends between the front and rear walls (37a) and (37a) of the case (37) in the front-rear direction.
The take-up roll (38) is rotatably mounted horizontally, and the take-up roll (38) has a base end of a sheet-shaped cover (35).
Side and wrap it around the free end of the cover body (35).
A stopper (43) was attached and formed on the cover storage case (37).
Insert and remove the cover (35) through the cover entry and exit (39)
The winding roll (38) has a spring (40) attached to it.
The take-up roll (38) in the cover take-up rotation direction.
The cover body (35) is wrapped around the take-up roll (38), and the cover body (35) is used to cover the driver's seat (2).
And the storage position to open the driver's seat (2)
In the automatic spraying control type sprayer, the peripheral wall (20a) of the operation panel (20) provided in front of the driver's seat (2)
Between the rear edge (10d) of the right half of the hood (10)
And a chemical that forms the rear wall of the driver's seat (2)
A stepped recess (62d) is formed in the peripheral edge of the right half of the front wall of the tank (62).
Provide the front and rear side edges (35b) and (35c) of the cover body (35) respectively.
Stepping of the peripheral wall (20a) of the operation panel (20) and the chemical tank (62)
If it is slidable along the peripheral wall of the recess (62d),
In addition, the surface of the cover body (35) is
Operation panel so that it is almost flush with the surface of the liquid tank (62)
The peripheral wall (20a) of (20) and the stepped recess (62d) of the chemical solution tank (62)
Formed, further, the cover body (35) is co cover member storage case (37)
The take-up roll (38), which is inclined forward and backward
Cut in advance to form only the slant angle
In the middle of the cover (35), the bonnet (10) and
(62) and the ridges (1
0a, 10b, 10c) (62a, 62b, 62c)
An automatic traveling control-type medicine sprayer characterized by having an arrangement (42, 42) .