JP2007014264A5 - - Google Patents

Description

Multi-strip application machine

  This invention relates to the form of the application visor which covers the upper side of the granular material hopper which accommodates the fertilizer of a granular material form, a seed grain, etc. in multi-strip application machines, such as a fertilizer application machine or a seeding machine.

A technique (see, for example, Patent Document 1) having a hopper lid that can be opened and closed on the upper side of a wide hopper that stores fertilizer that is a granular material is known. A technique for providing a sun visor above a driver's seat is well known.
JP 2004-81099 A (3rd page, FIGS. 1 to 4)

  In a multi-spindle applicator with a wide range of powder hoppers on the back side of the driver's seat, the sun visor provided on the driver's seat and above has a large vertical distance from the powder hopper on the lower back. The breadth of the particle hopper is wide, and the sun visor is greatly exposed in the lateral direction, which makes it difficult to prevent rainwater from falling.

According to the first aspect of the present invention, a horizontally wide powder hopper (2) and a feeding device (3) which accommodates and feeds powder particles along the left and right lateral direction on the rear side of the driver's seat (1). ) Provided with a hopper lid (57) that pivots up and down around the rear hinge (56) on the upper side of the powder hopper (2) and opens and closes the powder hopper (2 And a visor (4) having a downward slope that covers the upper part of the granular hopper (2) at a height at which the hopper lid (57) can be opened and closed above the hopper lid (57). The configuration is as follows. The powder hopper (2) of the multi-spindle applicator is formed in the lateral direction on the rear side of the driver's seat (1) so as to extend widely from the vehicle body width to the outside and accommodates the powder. The powder and granular material fed by the feeding device (3) is jetted through an application pipe or the like with a blast pressure or the like. Working in the rain, operating the upper side of the hopper (2) is appropriate height, and size, etc., because they are covered after the formation of the visor to the downward slope (4), rainwater by the visor (4) or it is reflected toward the rear relative to the seat (1), is falling, to prevent the penetration of the granular material hopper (2).

According to the first aspect of the present invention, the visor (4) provided along the upper side of the granular hopper (2) is appropriately configured according to the form of the granular hopper (2), such as height and width. order to Kiru de, relatively low, it is possible to effectively prevent the Furikakari to rainwater granular material hopper as narrow form (2), smooth feeding of the granular material, to maintain the application. Also, the visor (4) is made narrow and low so that it is difficult to receive resistance due to wind pressure. When the hopper lid on the granular material hopper (2) is opened and closed to supply the granular material, the driver's seat of the visor (4) can be reduced. (1) Since the side is formed high, it is possible to facilitate the work operation.

  Based on the example of illustration, the form which provides the fertilizer fertilizer 7 which fertilizes the fertilizer of a granular material form to the seedling transplanter of a multi-row planting form as a multi-row application machine is illustrated. The seedling plant body 8 has a front wheel 11 that is steered by a steering handle 10 on a front dashboard 9, and a rear wheel 13 that is mounted on a rear axle housing 12 behind the driver's seat 1. A four-wheel drive tractor is configured to travel by driving the front wheels 11 and the rear wheels 13 by an engine 15 mounted in an engine room formed under the seat cover 14 of the seat 1. The fertilizer application device 7 includes a powder hopper 2 covered with an upper visor 4, a feeding device 3 that feeds the powder of the hopper 2, a blower 16 that jets the fed powder, and The sprayed granular material is composed of an application hose 18 or the like that is applied to each seedling planting line position of the seedling planting device 17 and is provided on a rear frame 19 standing on the rear portion of the vehicle body 8. . The seedling planting device 17 has a seedling planting transmission case 20 as a vehicle body, and on the upper side, a multi-row seedling tank 21 is placed in parallel, and the mat seedlings grown in a mat shape are placed on the rear side and fed downward. Holding the mat seedlings fed from each seedling tank 21 in a predetermined number while holding the seedling planting claws 22 to be planted on the soil surface by drawing a planting locus line D in the form of a double crank, Arranged in an eight-row planting form, a center float 23, a side float 24, and the like are arranged in the lower part, swinging up and down while grounding on the soil surface, and leveling the operating position of each seedling planting claw 22. The seedling planting transmission case 20 is attached to the rear link 26 via the rolling shaft 25 at the front center. A pair of upper and lower parallel lift links 27 are connected to the rear frame 19 of the vehicle body 8 so as to be able to be lifted and lowered by expansion and contraction of a lift cylinder 28. A rear link 26 is provided at the rear end of the lift link 27. A seedling planting device 17 is provided so as to be able to be lifted and lowered. An auxiliary seedling mounting frame 30 is disposed outside the step floor 29 on the vehicle body 8, and a center pole 31 is provided at the center front end of the vehicle body 8.

  The fertilizer applicator 7 is mounted and supported along a support frame 38 on the rear frame 19 in parallel with a feed case 37 that rotates a feed roller 35 corresponding to the number of seedling planting lines around a feed shaft 36 in the horizontal direction. . A hopper port 39 through which the granular material hopper 2 is looked up is formed on the upper side of each feeding case 37, and a feeding port 40 is formed on the lower side. By rotating the feeding roller 35, the granular fertilizer flowing down from the upper hopper 2 and the hopper port 39 can be fed from the feeding port 40 to the lower fertilizing pipe 41. On the front side of each feeding case 37, a brush 42 that is in sliding contact with the peripheral surface of the feeding roller 35 and a shutter 43 that opens and closes the upper side of the feeding roller 35 are provided. Further, a discharge port 44 communicating with the supply chamber 45 on the upper side of the supply roller 35 is provided on the rear side portion of the supply case 37, and remains in the supply chamber 45 by opening and closing a discharge valve 46 provided in the middle of the discharge port 44. The granular fertilizer can be discharged and recovered to a recovery pipe 47 communicating with each of the discharge ports 44. Each discharge valve 46 is attached to a valve shaft 48 along the lateral direction, and is rotated by opening and closing of the pinion gears 49 and 50 to be opened and closed. Further, when the residual fertilizer in the feeding chamber 45 is discharged and collected, the feeding case 37 can be rotated rearward around the rear tilt rotation shaft 51 so as to be inclined rearward. The inclined rotation shaft 51 is provided to be supported by the bracket 52 and the base 53 on the rear frame 19, and is supported around the inclined rotation shaft 51 with the feeding case 37 as shown in FIGS. 6 and 7. A frame 38 and a support bracket 55 that integrates the fertilizer pipe 41 and the blower pipe 54 are provided so as to be vertically rotatable.

  The powder hopper 2 may be formed widely in the lateral direction over the upper side of each feeding case 37, and a partition plate may be formed for each case 37. On the upper side, a hopper lid 57 that can be opened and closed by rotating up and down around the rear hinge 56 is provided. By this opening and closing, the granular fertilizer can be supplied into the hopper 2. A plate-shaped or sheet-shaped visor 4 is supported and configured above the powder hopper 5 at a height position where the hopper lid 57 can be opened and closed. The visor 4 is provided so as to be vertically rotatable around a horizontal support shaft 59 on a support column 58 projecting upward from the support frame 38 extending on both the left and right sides, and is formed to be inclined rearward, with a rising edge 60 at the front end. And the rainwater to be reflected does not scatter to the front driver's seat 1 part, and each of the feeding case 37 part arranged at the lower part of the hopper 2 and the blower 61 from the lateral end through the blower pipe 54. The blower 16 that blows air to the application pipe 41, the recovery pipe 47, and the like are configured to cover the upper part. When the driver supplies the granular fertilizer to the hopper 2, the lid 57 on the lower side of the visor 4 is rotated around the hinge 56 and opened. At this time, when the visor 4 is too low, the visor 4 can be appropriately opened by rotating the visor 4 so as to open upward around the support shaft 59. In addition, a holder or a hook for holding the hopper lid 57 open can be provided between the lower surface of the visor 4. It is possible to stabilize the holding of the hopper lid 57, stabilize the open holding of the fertilizer supply lid 57, and easily supply the fertilizer.

  Further, the visor 4 may be configured to incline to the left and right down from the central portion in the lateral width direction along with the rearward downward inclination or separately from the rearward downward inclination. In this embodiment, the rising edge 60 is formed along the front edge and the rear edge of the visor 4 to reduce the reflection of rainwater in the front-rear direction and to accurately guide the flow down to the left and right outer sides. It can be.

  In the fertilizer 7, the fertilizer fed to the lower fertilization pipe 41 of each feeding case 37 receives the compressed air sent from the blower 61 through the blower pipe 54 and is jetted to each application hose 18. It is applied to the seedling planting soil surface that is leveled by the floats 23 and 24 of the seedling planting device 17. Further, when the fertilizer remaining in the feeding chamber 45, the hopper 2 or the like after the fertilization operation is taken out and collected outside the machine, the discharge valve 46 is opened, and the feeding case 37 is moved together with the hopper 2 around the inclined rotation shaft 51. Rotate to the rear and tilt. At this time, the air blown from the blower 61 is switched to the recovery pipe 47 side by the switching valve 62, and the fertilizer is conveyed by wind pressure through the recovery pipe 47 and recovered outside the apparatus. In conjunction with such tilt rotation of the hopper 2, it is possible to increase the rotational speed of the blower 61 so that the residual fertilizer can be collected quickly. In conjunction with the blower 61, the engine speed for driving the blower 61, the transmission mechanism, and the like are switched. Further, in the air blowing pipe 54, a weir for guiding air flow to the air blowing pipe 41 so as to increase the wind speed at the branching portion of the application pipe 41 at a specific clogging portion disposed therein. Plates can be provided at several locations within the blower pipe 54. Further, the barrier plate can be provided so as to be adjustable in insertion into the blower pipe 54, or can be provided so as to be adjustable in movement along the blower pipe 54 so as to increase the wind pressure at the clogging portion. Furthermore, it can be set as the form which distributes and distributes the granular material fertilizer to each application pipe 41 equally by related adjustment with the shutter etc. which adjust opening and closing of the branch part to each application pipe 41.

  The steering handle 10 is provided with an operation unit 70 at the center as shown in FIGS. 9 to 11, and a display unit 72 is provided at the front edge of the instrument panel 71 on the dashboard 9, The feed amount can be set. Further, a fertilization switching lever 73 that can be manually operated is provided between the operation unit 70 and the instrument panel 71. The operation unit 70 is provided with a fertilization setting switch 74 for switching between specific gravity and fertilization mode, increase / decrease switches 75 and 76, a cumulative reset switch 77, a variable switch 78, and the like. While the specific gravity mode and the facility mode are switched with the variable switch 74, the fertilizer setting switch 74, etc., the specific gravity and the fertilizer amount are changed and set by operating the increase / decrease switches 75 and 76. Further, the display unit 72 is provided with a liquid crystal display panel 79 that displays the specific gravity, fertilizer application amount, and the like, and a display changeover switch 80 that switches these displays. The fertilization switching lever 73 can be operated by being guided by the upper and lower lever guides 81, 82 on the steering post 80. When the vertical lever guide 81 is operated, the specific gravity and fertilization amount are increased or decreased. If the lever guide 82 in the front-rear direction is operated, the mode can be switched between a change in specific gravity and a change in fertilizer amount. The operation unit 70 has substantially the same operation as the switches 74, 75, 76, 78, etc. The operation can be performed. Since such a fertilization switching lever 73 is operated in a driving posture while traveling while holding the handle 10, operability and workability can be improved.

  Next, mainly based on FIG. 12, the operation unit 70 is arranged together with the display unit 72 on the instrument panel 71 of the dashboard 9 so that it can be easily seen from the inner periphery of the steering handle 10. Further, the fertilizer switching lever 73 can be used to raise and lower the seedling planting device 17 and to switch between the hydraulic pressure for transmitting the planting claws 22 and the planting operation, thereby improving operability. The fertilizer switching lever 73 is operated by a finger lever, and is set to a switching position for switching the fertilizer amount and specific gravity at the upper position, and at the lower position, the seedling planting device 17 can be hydraulically raised and lowered and switched to the planting operation position. Electrically linked configuration.

  Next, mainly based on FIG. 13, an adjusting device 81 of a remote control operation mode for inputting a fertilizer amount and specific gravity is provided in the central portion of the steering handle 10 in substantially the same form as the display portion 72, and the center pole 31 is provided. Utilizing this, an antenna 82 is provided at the upper end. The controller 82 on the dashboard 9 can be command-controlled via the antenna 82. Further, a planting stop switch 86 in the form of a push switch is provided on the rear part of the seedling planting transmission case 20 of the seedling planting device 17 or on the seedling planting frame component member, and the planting stop switch 86 is provided near the seedling planting unit. By operating, the power transmission clutch of the seedling planting claw 22 can be cut by electromagnetic interlocking or the like to stop the planting operation. Since planting can be stopped by one person in the vicinity of seedling planting, safety and operability can be improved and maintainability can be improved.

  Further, a switch 87 similar to the planting stop switch 86 can be turned on and off by a stepping operation with a foot in a driving posture, and is provided on the step floor 29 portion under the dashboard 9 for easy operation. .

The side view of a seedling transplanter. The plan view. The top view of the fertilizer application part. The rear view. The side view of the fertilizer application part. The side view which shows the one part action state. The side view which shows the one part action state. The sectional side view of the feeding case part. The top view and side view of a steering handle part. The some enlarged plan view. The enlarged plan view of the display part. The top view of the steering handle part which shows a part another example. The side view of the seedling transplanter which shows some other examples, and the top view of a steering handle part.

Explanation of symbols

1 Driver's seat 2 Granule hopper 3 Feeding device 4 Visor

Claims (1)

In a multi-strip applicator provided with a laterally wide powder hopper (2) and a feeding device (3) for storing and feeding powder particles along the left and right lateral directions on the rear side of the driver seat (1) A hopper lid (57) that opens and closes around the rear hinge (56) is provided on the upper side of the granular hopper (2), and the hopper lid (57) is provided above the granular hopper (2). the openable height, multi-start application machine, characterized in that a downward slope of the visor (4) after covering the upper portion of the powder or granular material hopper (2).