JP2007228845A - Water-feeding device for controlling tank - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To enable water to be fed to a controlling tank of a working vehicle for agriculture while removing foreign particles or the like from the water of a river or the like. <P>SOLUTION: The working vehicle 1 for the agriculture, equipped with the controlling tank 9, a controlling pump 10 and a controlling spraying device 33L, 33C and 33R has a foreign particle-removing water-feeding device 36 for separating the foreign particles such as heavy sand by settling them at the lower side while rotating the water flowed in from a water-feeding port 36d at the upper part of a sealed conical case 36a having a smaller diameter at the lower side, and is constituted so that the water passing the foreign particles-removing water-feeding device 36 may be fed to the controlling tank 9. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a water supply device for a control tank mounted on an agricultural work vehicle.

2. Description of the Related Art In a control tank of an agricultural work vehicle, it is known that a chemical liquid in a control tank is sent to a boom via a filter and a control pump to spray the chemical liquid (Patent Document 1).
JP 2002-273294 A

  Water is often supplied from the river to the control tanks of agricultural work vehicles such as passenger management machines, and when water is supplied, sand is often mixed in the water of the river, which can easily cause clogging of the filter. There was a problem that the valve of the pump was worn and damaged. Therefore, the present invention is intended to solve such a problem.

  According to the first aspect of the present invention, the agricultural work vehicle (1) is provided with a control tank (9), a control pump (10) and a control spraying device (33L, 33C, 33R), and a sealed cone with a small diameter on the lower side. A dust removal water supply device (36) is provided for separating and separating heavy debris such as heavy sand while the water flowing in from the upper water supply port (36d) of the cylindrical case (36a) swirls. The water supply device for the control tank of the agricultural work vehicle is characterized in that water passed through 36) is supplied to the control tank (9).

  According to the above configuration, when water is fed from the upper water supply port (36d) to the conical case (36a) whose lower side of the dust removal / water supply device (36) is small, the water is supplied to the conical case (36a). Turning around 36a), garbage such as heavy sand sinks to the lower side, and clean water remains on the upper side and is separated from garbage. Thus, the water removed by the dust removal water supply device (36) is supplied to the prevention tank (9).

  According to the first aspect of the present invention, since the water passing through the dust removal water supply device (36) is supplied to the control tank (9), foreign matter such as sand can be removed even if the river water is supplied. The main filter of 9) can be used for a long time, and damage to the control pump (10) can be prevented.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an overall side view of a passenger management machine equipped with the present invention.
In the passenger management machine 1, the left and right front wheels 2, 2 and the left and right rear wheels 3, 3 are configured to have substantially the same diameter, the front wheels 2, 2 and the rear wheels 3, 3 are independently driven, and the front wheels 2, 2, and The four-wheel steering of the rear wheels 3 and 3 is configured. The driver's seat includes a steering handle 5, an instrument panel 6, and a seat 8. On the right side of the driver's seat, for example, an operation unit 7 when a boom sprayer is connected is provided.

  Also, a boom sprayer control tank 9 having a “U” shape in a plan view with the front opened so as to surround the rear from both the left and right sides of the seat 8 is disposed on the floor, and on the floor surface below the seat 8. A control pump 10 is provided in the case. An engine 12 is mounted in the bonnet 4 on the front side of the machine body, and a mission unit 11 and the like are disposed at the lower part of the floor.

  A hitch 16 for connecting a rear working machine such as a rotary tiller or a plow is provided at the rear part of the machine body. The front end portion of the hitch 16 is pivotally supported so that it can be rotated up and down. In the state shown in the figure, the rear work machine is not connected, so that the hitch 16 is supported by the pin 17 while being rotated upward. 16 supports the bottom of the control tank 9. Reference numeral 13 is a battery, and 14 is a main power switch.

  Next, the flow of the chemical solution will be described based on FIG. The chemical liquid sent out from the control tank 9 containing the chemical liquid through the filter 21 by the control pump 10 passes through the pipe 22 and the pipe 23 and is branched into the three pipes 24L, 24C, and 24R along the way. Are sent to the left boom 33L, the central boom 33C, and the right boom 33R, respectively. Each piping 24L, 24C, 24R is provided with spray cocks 26L, 26C, 26R operated by open / close levers 25a, 25b, 25c, and flow rate sensors 27L, 27C, 27R.

The flow rate adjustment actuator 28 adjusts the flow rate of the chemical solution supplied to each boom 33L, 33C, 33R. Further, a part of the chemical solution in the 22 parts of the pipe discharged from the control pump 10 is reduced to the bottom of the control tank 9 as agitation water by the agitation pipe 29 and the nozzle 29a, and the chemical that sinks to the bottom of the aqueous solution is agitated and mixed. The pressure in the pipe 22 is maintained at, for example, about 30 kg / cm ² by the safety valve 30. Reference numeral 31 denotes a relief pipe which returns the chemical liquid overflowed from the safety valve 30 to the control tank 9. Reference numeral 32 denotes an air chamber that reduces the internal pressure pulsation in the pipe 22. Reference numeral 12 denotes a control motor.

Next, another embodiment of the liquid spraying device will be described with reference to FIG.
An air supply pipe 42 is connected to the lower side of the flow rate sensor 27 of the pipe 23 and to the upper side of the spray cocks 26L, 26C, 26R via a backflow prevention valve 41, and an air pump is connected to the start end side of the air supply pipe 42. 43 is arranged.

  According to the said structure, compressed air is sent into the piping 23 via the air supply piping 42 from the air pump 43 at the time of small amount spraying. Then, air is mixed into the chemical liquid to increase the volume of the chemical liquid, increase the spray speed from the nozzles of the booms 33L, 33C, 33R during low-pressure spraying, prevent the chemical liquid from dripping from the nozzles, and optimize the spraying Can be planned.

Next, the dust removal water supply apparatus 36 provided in the bottom part of the prevention tank 9 is demonstrated based on FIG.
The dust-removing water supply device 36 has a conical case 36a having a small diameter at the lower side, a dust box 36b that is detachably attached to the bottom of the case 36a, and a plan view that detachably closes the upper opening of the conical case 36a. A circular lid 36c, a water supply port 36d provided on the top of the lid 36c along the circumferential direction, a guide cylinder 36e suspended from the inner peripheral portion of the water supply port 36d of the lid 36c, and a guide cylinder The flow-down interval portion 36f formed between the lower end portion of 36e and the upper inner peripheral surface of the conical case 36a, the upper end portion approaches the lower surface of the central portion of the lid 36c, and the lower end portion is outside the case 36a. It is comprised by the water supply pipe | tube 36g extended to.

  The control tank 9 of the passenger management machine 1 is often supplied with water from the river, and when water is supplied, the water is often mixed with sand and the like, and there is a problem that the valve of the control pump 10 is worn and damaged. .

  According to the above configuration, when water from the river is fed from the water supply port 36d above the lid 36c by a pump (not shown), the water flows down while turning between the inner peripheral surfaces of the guide cylinder 36e and the lid 36c, such as heavy sand. The dust flows downward while turning and is stored in the dust box 36b from the bottom of the conical case 36a. Further, the water flowing down while turning between the inner peripheral surfaces of the guide cylinder 36e and the lid 36c is filled in the conical case 36a and the lid 36c. Then, the clear water on the upper side flows into the upper start end side of the water supply cylinder 36g, flows to the lower end side, and is supplied by pressure to the prevention tank 9.

  As described above, by supplying water to the prevention tank 9 through the dust removal water supply device 36, foreign substances such as sand can be preliminarily removed from the river water, preventing damage to the prevention pump 10, and the prevention tank 9 side. The main filter (not shown) can be used for a long time.

  As shown in FIG. 4, a part of the bottom surface of the tank 9 is depressed, and the dust removing water supply device 36 is configured in the depressed portion 9 a. And the water supply pipe | tube 36g is set upwards rather than the lowest level position. With this configuration, when the suction position of the chemical tank is configured to be the same as that of the bottom surface of the dunk 9, there is a risk of sucking in heavy debris, but the above disadvantage is eliminated by placing it at a position higher than the bottom surface. it can.

Next, another embodiment of the dust removal / water supply apparatus will be described with reference to FIG.
The dust removal water supply device 36A includes a conical case 36a having a small diameter at the lower side, a dust box 36b that is detachably attached to the bottom of the case 36a, and a circular view in plan view that detachably closes the upper opening of the conical case 36a. A lid 36c having a shape, a water supply port 36d provided on the top of the cover 36c along the circumferential direction, a guide cylinder 36e hanging from the inner periphery of the water supply port 36d of the cover 36c, and a guide cylinder 36e , And a water supply cylinder 36g (the upper end side approaches the lower surface of the central part of the lid 36c, and the lower start side is the lower end part of the conical case 36a). A second water supply cylinder 36h (the lower start end faces the upper end of the water supply cylinder 36g, and the upper end side communicates with the control tank 9), and a conical case 3 It is constituted by mesh member 36i which covers a and lid 36c.

  According to the above configuration, the entire net body 36i of the dust removal / water supply device 36A is immersed in river water, and a pump (not shown) is driven to supply water from the water supply cylinder 36g. Then, the water in the conical case 36a and the lid 36c is taken out by the water pumped from the water supply cylinder 36g and supplied to the control tank 9 through the second water supply cylinder 36h. Further, water is sucked in from the water supply port 36d at the top of the lid 36c due to water supply to the control tank 9, and the sucked water flows while turning between the guide cylinder 36e and the lid 36c, and dust such as heavy sand sinks. And it is accommodated in the dust box 36b from the bottom of the conical case 36a. Further, when the water supply operation is completed and the net body 36i of the dust removal water supply device 36A is pulled up, the valve 36j closed by the grounding of the dust box 36b is automatically opened, and dust is discharged.

Thus, the same effect as that of the above-described embodiment can be obtained.
Next, another embodiment of the rear working machine connected to the hitch 16 will be described with reference to FIG.

  A front elevating link device 46 composed of upper and lower elevating links 46a and 46b is provided on the front side of the machine body so as to be able to move up and down. Further, a rotary tiller 47 is attached to the hitch 16 that can be raised and lowered at the rear of the machine body. A lift cylinder 48 for lifting the hitch 16 is detachably connected to a hydraulic circuit (not shown) via couplers 48a and 48a.

  In the above configuration, a case will be described in which the rotary tiller 47 is replaced with the front elevating link device 46 and the tillage work is performed while the riding management machine 1 travels forward. First, the boom (not shown) is removed from the front lifting link device 46, the rear rotary tilling device 47 is removed, and the front lifting link device 46 is replaced with the power transmission state from the front PTO shaft (not shown). To do. Then, the couplers 48a and 48a of the lift cylinder 48 are removed, the lift cylinder 48 is replaced with the front side of the machine body, the front lift link device 46 is lifted and the rotary tiller 47 is lifted.

According to the said structure, the rotary tiller 47 is attached to the front part of the body, and the operator can easily perform the weeding operation of soybeans while traveling along the fence.
As shown in FIG. 7, the transmission box 47a of the rotary tiller 47 is provided with a front power intake shaft 49a and a rear power intake shaft 49b so that power can be transmitted from any of the front and rear PTO shafts. It is composed.

Next, the bumper weight 51 attached to the front and rear of the airframe will be described with reference to FIG.
The mounting plate 52 in the left-right direction on the front and rear sides of the machine body includes a narrow insertion portion 52a whose front and rear surfaces are perpendicular to the left and right side ends, and is adjacent to the left and right sides of the insertion portion 52a over the entire left and right sides. The fixed insertion part 52b which consists of an inclined surface which becomes narrow as the vertical surface and the inner lower side are comprised. In addition, the bumper weight 51 is configured with a gripping portion 51a in which a hand can be placed at the upper portion, and a hook 51b at the upper front side portion. A narrow opening 51c into which the insertion part 52a is fitted is formed at the lower end of the hook 51b, and an inclined opening 51d that is wider toward the upper side adjacent to the upper side of the opening 51c. Thus, the inclined opening 51d of the bumper weight 51 is in contact with the inclined fixed insertion portion 52b of the mounting plate 52, and the bumper weight 51 is supported.

  According to the above configuration, the hook 51b of the bumper weight 51 is fitted into the insertion portion 52a of the mounting plate 52 and moved toward the fixed insertion portion 52b having an inclined shape in the left-right direction, whereby the inclined opening 51d of the bumper weight 51 is formed. The mounting plate 52 is supported by contact with the inclined fixed insertion portion 52b. Therefore, it is easy to attach and remove the bumper weight 51, and it is difficult to come off and the safety can be improved.

Next, another embodiment of the mounting apparatus for the bumper weight 51 will be described with reference to FIG.
Front and rear mounting plates 52 for mounting bumper weights 51 are provided on the front and rear of the machine body. A bumper weight 51 has a grip 51a in which a hand can be placed, and a hook 51b in the upper front side. The spacing portion of the hook 51b is configured to have the same width in the vertical direction so as to be fitted in contact with both front and rear side surfaces of the mounting plate 52. Then, a locking portion 51c protruding from the upper left and right side surfaces of the bumper weight 51 is formed, and a retracting engagement support portion 51d is formed on the upper left and right side surfaces, and the locking portions 51c of the adjacent bumper weights 51, 51 are formed. And the engagement support portion 51d are engaged with each other, and both are contact-engaged in a state of receiving a load so as to restrict movement in the left-right direction. When a large number of bumper weights 51 are mounted, the farthest bumper weight 51 is fixed to the mounting plate 52 with bolts, for example.

  According to the above configuration, the hooks 51b of the bumper weights 51,... Are fitted and supported on the mounting plate 52, and the engaging portions 51c and the engaging support portions 51d of the adjacent bumper weights 51, 51 are engaged, The movement is limited, and the bumper weights 51,... Can be locked to the mounting plate 52 only at the extreme end, and attachment and removal can be simplified.

The same effect can be expected even when the protruding locking portion 51c of the bumper weight 51 and the engaged support portion 51d retracted are configured as shown in FIG.
Next, the component search device of the passenger management machine 1 will be described with reference to FIG.

  An IC card 56 that records the component information and display software of the riding management machine 1 and the rotary tiller 47 that is the working machine is an instruction manual that describes the operation and handling instructions of the riding management machine 1 and the rotary tiller 47. Attached to 57, packed in the passenger management machine 1 and shipped. In addition, in the information of the IC card 56, the model name, the machine number, the part name, the part code number, the design change execution date, and the like are also described for the part design change information.

  Therefore, when consumable parts or faulty parts are maintained, the IC card 56 is read into the personal computer 58, and a list of parts information and the like is displayed on the screen using the display software. At the same time, information such as the parts ordering address and telephone number is also displayed. According to the above-described configuration, it is possible to easily retrieve necessary part information, and it is possible to quickly replenish consumable parts and faulty parts.

Moreover, you may comprise the failure diagnosis system of the passenger management machine 1 grade | etc., As follows.
An IC card (not shown) for failure diagnosis of the passenger management machine 1 is built in the control unit (not shown) of the passenger management machine 1, and when a failure occurs, the failure location and its contents, the failure date, etc. Is recorded on the IC card. The IC card also records a countermeasure against the failure.

  At the time of failure maintenance, this IC card is read by a non-contact type IC card reader of a cellular phone (not shown), and the location of the failure and a countermeasure method for the failure are displayed together on the screen of the cellular phone.

  According to the said structure, a failure location and its coping method can be known quickly, and a maintenance becomes easy. Note that a failure handling method may be recorded on the mobile phone and displayed in accordance with the failure information.

Side view of the passenger management machine Block diagram of chemical spraying device Block diagram of chemical spraying device Top view and side view of dustproof water supply system Top view and side view of dustproof water supply system Side view of the passenger management machine Side view of rotary tiller Bumper weight perspective view, side view Bumper weight perspective view Bumper weight perspective view Perspective view of parts search device

Explanation of symbols

1 Agricultural work vehicle (passenger management machine)
9 Control tank 10 Control pump 33L, 33C, 33R Control spraying device 36, 36A Dust removal water supply device 36a Conical case 36d Water supply port

Claims (1)

  The agricultural work vehicle (1) is provided with a control tank (9), a control pump (10) and a control spraying device (33L, 33C, 33R), and an upper part of a sealed conical case (36a) having a small diameter on the lower side. A dust removal water supply device (36) is provided to separate and separate heavy garbage such as sand while the water flowing in from the water supply port (36d) swivels to the lower side, and water passing through the dust removal water supply device (36) is supplied. A water supply device for a control tank of an agricultural work vehicle, which is supplied to the control tank (9).

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