JP2003252062A - Sun visor of spray working vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve problem that a chemical tank used for a spraying work is generally formed of a resin, and easily degraded if exposed to the sunshine for a long time, and dust and refuse are excessively deposited in the tank, and a pump or a nozzle is clogged to cause troubles because a lid of the tank is left open for a long time and the tank is filled with water through a hose or the like when water is filled in the chemical tank. <P>SOLUTION: A roof part 3a of a sun visor 3 is turnably provided to a support arm 3b, and an operation unit 3c to adjust the angle of erection of the support arm 3b is provided on an upper part of the chemical tank 2. When the support arm 3b is erected, the roof part 3a covers an upper part of a driver's seat 1. When the support arm 3b is collapsed, the roof part 3a covers an upper part of the chemical tank 2. <P>COPYRIGHT: (C)2003,JPO

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a configuration of a sun visor of a spraying vehicle equipped with a chemical solution tank. 2. Description of the Related Art Conventionally, a vehicle that performs a spraying operation uses a tractor provided with a rear wheel having a diameter larger than a front wheel mainly for towing work, or mainly uses a ridge in a field. It is known to use a so-called riding management machine having front and rear wheels of the same diameter for the purpose of work. Some tractors have a sun visor at the top of the tractor using a retractable safety frame. [0004] However, the sun visor of the above-mentioned conventional spraying work vehicle is provided detachably with respect to the safety frame, or adjusts the angle of the frame even if the sun visor is pivotally supported. Since the operation unit (lock mechanism of the safety frame) and the like are provided at a low position, there is a problem that the safety frame cannot be stored when the chemical liquid tank is mounted on the vehicle body. On the other hand, the chemical tank used for the spraying operation is usually formed of a resin and has a problem that it is easily deteriorated when exposed to sunlight for a long time, or when the chemical tank is filled with water. Since the tank lid is opened for a long time and water is filled with a hose or the like, excessive dust and debris enter the tank at this time, causing problems such as clogging of pumps and nozzles, causing malfunctions. . SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention provides a sun visor for a spraying vehicle as follows. That is, a chemical liquid tank (2) is provided behind the cockpit (1).
And a roof arm (3b) for attaching the roof part (3a) of the sun visor (3) to the sun visor (3) in the spraying vehicle. And an operation unit (3c) for adjusting the standing angle of the support arm (3b) is provided higher than the chemical liquid tank (2), and when the support arm (3b) is standing, The roof part (3a) covers the upper part of the cockpit (1), and the roof part (3a) covers the upper part of the chemical liquid tank (2) when the support arm (3b) is lowered. It is a sun visor of a spraying work vehicle that is a feature. (Operation) In the sun visor of the spraying work vehicle configured as described above, when the sun visor (3) is used, the support frame (3b) is erected to cover the upper part of the cockpit (1), and the sun visor ( When 3) is not used, the support frame (3b) is folded down to cover the upper part of the chemical tank (2). According to the present invention, during the spraying operation, the roof part (3a) covers the overhead of the operator and blocks sunlight or rainwater, while the spraying operation vehicle is not used for a long time or the chemical solution tank (2) is used. When the lid is opened and the liquid is filled, the support frame (3b) is folded down to cover the upper part of the chemical tank (2) to prevent the chemical tank (2) from deteriorating and to prevent dust and dirt from entering. It is possible to prevent failure of various spraying devices. Embodiments of the present invention will be described below with reference to the drawings. Ride control machine 1 to be a spraying work vehicle
0, an engine mounting frame 12 is provided below the hood 11 at the front of the vehicle as shown in FIG.
The main frame 15 for supporting the cockpit 1 and the floor 14 is provided at the rear of the frame 12. At the front of the engine mounting frame 12, a detachable parallel link mechanism 15 is provided. By driving an electric cylinder 19A, a boom 18 provided with a spray nozzle 17, a pipe, and a boom 18 are further expanded. The spraying device 6 including an electric cylinder 19B and the like to be moved up and down is integrally configured. Below the front part of the main frame 15,
A front axle case 21 for supporting left and right front wheels 20 is provided, and a rear axle case 2 for supporting a rear wheel 22 having the same diameter as the left and right front wheels 20 is provided at a rear portion of the main frame 15.
The front and rear wheels 20 and 22 are steered left and right by operating a steering handle 24. In the middle part of the main frame 15, a side step 25 is provided to project right and left.
5 is provided with various operation pedals at the front,
5 is provided with a concave chemical solution tank 2 having an open front in plan view. A seat support frame 30 for supporting the cockpit 1 is erected from the upper surface of the main frame 15, and the cockpit 1 is mounted above the seat support frame 30. Reference numeral 31 in the drawing indicates a cover that covers the seat support frame 30. In the passenger management machine 10 configured as described above, the boom 18 is expanded right and left as shown in FIG.
The chemical liquid in the chemical liquid tank 2 is sprayed from the nozzles 17 to perform the spraying operation. Next, the configuration of the sun visor 3 attached to the passenger management machine 10 will be described with reference to FIGS. The seat supporting frame 30 for supporting the cockpit 1 is a trapezoidal frame with the main frame 15 as a lower side, and the left and right rear corners C
Plate member 32 covering the upper surface, the rear surface, and a part of the side surface
At the same time, and on the upper surface of the plate member 32,
Two columns 4 and 4 serving as fixing members for a sun visor unit (hereinafter, sun visor unit U) are provided upright. When the chemical liquid tank 2 is mounted, the column 4 is erected rearward so as to extend along the front surface of the tank 2. The height of the column 4 is higher than the height of the backrest of the cockpit 1. Are set equal or slightly lower. Here, the height of the chemical liquid tank 2 is also substantially the same as the height of the cockpit 1. In addition, right and left support 4,4
Is set to be narrower than the left and right width of the backrest portion of the cockpit 1. Accordingly, even when the chemical solution tank 2 is not mounted, the front of the support 4 is covered by the backrest of the cockpit 1, so that the support member can be installed wide left and right, for example, as in a tractor safety frame. Compared to a configuration in which it is installed higher than the cockpit 1, it is less likely to be caught by plants and clothes of the operator and does not hinder driving or getting on and off. Also, the visibility of the operator is not obstructed and the operability of the vehicle is not impaired. As shown in FIG. 5, when the chemical liquid tank 2 is mounted, the column 4 is entirely covered with the upright surface of the concave portion of the chemical liquid tank 2 in a side view. It is set to be performed. Thereby, the chemical solution tank 2
Even if the vehicle is mounted, as described above, it does not hinder driving or getting on and off, so that the operability of the vehicle is not impaired. In particular, the case of opening and closing the lid 2a on the upper part of the chemical liquid tank 2 and the inspection of the tank 2 are performed. In this case, even if the user leans on the tank 2 side, the support column 4 does not hinder the operation, so that the operability is not impaired. Inside the support column 4, there are provided an internal stopper pin 36 for preventing the mounting frame 35 on the sun visor unit U side from entering a predetermined depth or more, and a knob bolt 37 for fastening the mounting frame 35. Provided. On the other hand, the sun visor unit U attached to the column 4 includes a roof portion 3a, a support frame 3b for supporting the roof portion 3a at an upper portion, and an operation portion provided at a lower portion of the frame 3b and operating an angle of the frame 3b. 3c and the like. More specifically, the roof portion 3a is
It is composed of a resin roof member 40 and a support frame 41 for supporting the roof member. A hand catcher 42 is attached to the front frame of the support frame 41, and the left and right sides of the support frame 41 are inwardly and downwardly. A support frame mounting plate 43 bent toward the center is provided. The support frame mounting plate 4
The support frame 3b is pivotally attached to both left and right sides of the frame 3 and 43, and a link rod 45 is attached to only one side (the left side in FIG. 2) along the frame 3b, and is provided below the frame 3b. A parallel link mechanism R is configured between the control unit 3c and the operation unit 3c, and a gas damper 46 is provided on the same side. The left and right support frames 3b, 3b
The upper part is set to be wider than the left and right width of the cockpit 1, and the lower part is set to be substantially the same width as between the columns 4 and 4. Thus, even when the sun visor 3 is used, the visibility behind the cockpit 1, particularly the visibility on the side of the chemical liquid tank 2, is not obstructed, and the operability of the vehicle can be improved. As shown in FIGS. 8 and 9, an operation section 3c for positioning the support frame 3b at an upright angle is provided.
It is provided between a plate member 47 below the support frame and a connecting plate 48 connecting the left and right mounting frames 35, 35. Specifically, the rotation shaft 44 of the link rod 45 is provided inside the left and right side surfaces of the connection plate 48.
a, and a rotating shaft 44b of the plate member 47 is projected outside the left and right side surfaces of the connecting plate 48, and the plate member 47 at the lower part of the support frame is connected with the rotating shaft 44b as a center. When the link rod 45 is rotated while sliding with the plate 48, the link rod 45 is simultaneously rotated about the shaft 44a, and the roof 40 is changed from the used state to the stored state (indicated by a dashed line in FIG. 8) or from the stored state to the used state. Has become. In the figure, reference numeral 53 denotes a reinforcing frame for connecting the left and right support frames 3b, and reference numeral 54 denotes a roof for stopping the sun visor 3 at intervals on the tank 2 when the sun visor 3 is stored. 6 shows a stopper pin for stopping rotation of the support arm 3b. A plate member 47 for rotatably supporting the support frame 3b is provided with a lock hole 52A for erecting the support frame and a lock hole 52B for falling down. A lock pin 50 urged by 55 and an opening 51 through which the lock pin 50 passes are provided. Thus, when the sun visor 3 is used, the lock pin 50 is pulled out to the inside of the vehicle body, and penetrates through the opening hole 51 and the lock hole 52A for erection, whereby the support frame 3b is erected. Can be fixed. When the roof 40 is stored at a low position, the support frame 3b can be laid down and fixed by pulling out the lock pin 50 to the inside of the vehicle body and penetrating the opening 50 and the lock hole 52B for laying down. it can. At this time, the roof 40 is automatically changed to a horizontal posture by the parallel link mechanism R, and the roof 40 covers the upper part of the chemical tank 2 when the support frame 3b is laid down. Has become. The mounting frame 35 is provided below the connecting plate 48 of the operation portion 3c, and is inserted into and fixed to the pipe-shaped columns 4 and 4. In the sun visor of the passenger management machine 10 configured as described above, when the sun visor 3 is attached to and detached from the vehicle body, the roof 3a, the support frame 3b, the operation portion 3c of the support frame 3b, and the parallel link mechanism Since the R can be integrally attached and detached, as compared with a configuration in which each is separately removed, particularly a configuration in which the operation unit 3c is disassembled and removed,
It can be easily attached and detached. In addition, the sun visor unit U is attached, and at the time of the spraying operation, the support frame 3b is erected, and the roof of the operator is covered by the roof portion 3a.
If you do not use the passenger management machine for a long time,
When the lid is opened and liquid is filled, the support frame 3b
By lying down, it is possible to cover the upper part of the chemical liquid tank 2 to prevent the chemical liquid tank 2 from deteriorating due to sunlight, to prevent dust and dirt from entering, and to prevent breakdown of various spraying devices. The present invention may be provided by using a so-called tractor having a rear wheel having a diameter larger than that of the front wheel, or a turf management device for spraying turf, as another form of the traveling vehicle.

[Brief description of the drawings] FIG. 1 is a side view of a rear portion of a vehicle body. FIG. 2 is a rear view of the vehicle body. FIG. 3 is an overall side view of the passenger management machine. FIG. 4 is a front view showing a working state of the passenger management machine. FIG. 5 is a side view showing the sun visor when the roof is stored. FIG. 6 is a rear view showing the sun visor in a roof housed state. FIG. 7 is a plan view showing the arrangement of the columns. FIG. 8 is a side view showing an angle operation unit of the support frame. FIG. 9 is a rear view showing an angle operation unit of the support frame. [Explanation of symbols] 1 cockpit 2 Chemical tank 2a Tank lid 3 Sun visor 3a Roof 3b Support frame 3c Angle control section of support frame 4 props 10 Passenger management machine

Claims (1)

Claims: 1. A spraying vehicle having a chemical liquid tank (2) mounted behind a cockpit (1), wherein the spraying vehicle includes a sun visor (3). Replace the roof part (3a) of the visor (3) with the roof part (3
a) is provided rotatably with respect to the support arm (3b) to which the a) is attached, and an operation unit (3c) for adjusting the standing angle of the support arm (3b) is provided higher than the chemical liquid tank (2). When the support arm (3b) is erected, the roof (3a) covers above the cockpit (1),
When the support arm (3b) falls down, the roof portion (3
a) a sun visor for a spraying vehicle, wherein a) covers an upper portion of the chemical solution tank (2).