JP2016137800A - Dustproof structure for work vehicle engine part - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a dustproof structure for work vehicle engine part that can take cooling air therein from a front lateral face of a radiator while securing dustproof property of radiator front.SOLUTION: In the dustproof structure for work vehicle engine part, an engine E is mounted in an engine room 3 in a work vehicle front part, a radiator bracket 12 for fixedly support the radiator 10 is erected forward of a cooling fan 11 mounted to the engine, and a ventilation part 13 capable of taking ambient air therein is provided in a lateral face part of the radiator bracket 12.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a dustproof structure for a driving part of a work vehicle such as a tractor.

  Conventionally, a dust-proof structure for a working vehicle driving part in which a dust-proof body such as a net is installed in front of the radiator and the side surface in front of the radiator is covered with a plate material to prevent clogging of the radiator that cools the cooling water of the engine with dust. Yes (for example, see Patent Document 1)

JP 2012-1045 A

  However, in the above-described conventional technology, the side surface is covered with a plate material, and intake of cooling air is limited to the front.

  An object of the present invention is to provide a dustproof structure for a working vehicle driving section that can take in cooling air from the front side of the radiator while ensuring dustproofness in front of the radiator.

  The present invention has taken the following technical means to solve the above problems.

  That is, according to the present invention, the engine (E) is mounted in the engine room (3) in front of the work vehicle, and the radiator (10) is supported in front of the cooling fan (11) attached to the engine. A radiator bracket (12) to be fixed is erected, and a ventilation portion (13) capable of taking in outside air is provided on a side surface portion of the radiator bracket (12).

  According to the said structure, by providing a ventilation part (13) in the side part of a radiator bracket (12), cooling air can be taken in not only from the front of a radiator bracket but from a side.

  According to a second aspect of the present invention, in the first aspect of the present invention, at least two ventilation portions (13) are provided on one side surface of the radiator bracket (12), and the ventilation portion (13) is provided. ) Is characterized by being covered with punching metal.

  The larger the area of the ventilation part (13), the better the air permeability. However, if it is formed by one large hole, the rigidity of the side surface of the radiator bracket is greatly reduced, but the ventilation part is formed by two or more holes. By doing so, it is possible to secure a ventilation area while securing rigidity. Further, by covering the ventilation portion with punching metal, it is possible to prevent the intrusion of dust and to enhance the rigidity.

  According to a third aspect of the present invention, in the first or second aspect of the present invention, a side surface on one side of the gap between the radiator bracket (12) and the radiator (10) is formed by a punching metal plate (15 ).

  According to the said structure, in addition to the side part of a radiator bracket (12), cooling air can be taken in from between a radiator (10) and a radiator bracket (12).

  According to a fourth aspect of the present invention, in the first or second aspect of the present invention, a side surface on one side of the gap between the radiator bracket (12) and the radiator (10) is formed by a punching metal plate (15 ), And the other side is the insertion port for the dustproof body (16) that covers the radiator front surface. The dustproof body (16) that covers the radiator front surface is inserted through the insertion port, and the dustproof body insertion port side A bent portion (16a) that covers the gap between the dustproof body and the radiator is provided on the side, and the bent portion (16a) is formed of a punching metal.

  According to the above configuration, one side of the space between the radiator bracket (12) and the radiator (10) is covered with the punching metal plate (15), so that cooling air can be taken in while preventing dust. On the other side, cooling air can be taken in while preventing inflow of dust into the radiator at the bent portion (16a) on the side of the dustproof body (16) made of punching metal.

  According to a fifth aspect of the present invention, in the invention according to the fourth aspect, the outer end surface of the bent portion (16a) protrudes outward from the end surface of the radiator bracket (13).

  According to the said structure, insertion and removal of a dustproof body can be easily performed because the outer side end surface of a bending part protrudes the outer side of a radiator bracket.

  According to a sixth aspect of the present invention, there is provided a punching metal plate according to the fourth or fifth aspect, wherein the punching metal plate covers a side surface of one side of the gap between the radiator bracket (12) and the radiator (10). 15) has a shape with a step (H) in the left-right direction of the vehicle, and the dust-proof body (16) is configured so that its end abuts against the innermost surface of the plate (15). Features.

  According to the said structure, rigidity can be improved by providing a level | step difference in the plate body (15) of a punching metal, and it can contact | abut also to the radiator bracket and radiator with which widths differ. Furthermore, if the dustproof body is brought into contact with the step on the outside of the plate body, the meshes overlap and the air suction efficiency is lowered. Not invited.

  In short, according to the first aspect of the present invention, by providing the ventilation portion on the side surface of the radiator bracket, the cooling air can be taken not only from the front of the radiator bracket but also from the side. Can be increased.

  According to the second aspect of the present invention, in addition to the effect of the first aspect of the invention, the ventilation portion on the side surface of the radiator bracket is formed by two or more holes, while ensuring rigidity, A ventilation area can be secured. Further, by covering the ventilation portion with punching metal, it is possible to prevent the intrusion of dust and to enhance the rigidity.

  According to the third aspect of the present invention, in addition to the effect of the first or second aspect of the present invention, cooling air can be taken in between the radiator and the radiator bracket, further enhancing the cooling effect. be able to.

  According to the fourth aspect of the present invention, in addition to the effect of the first or second aspect of the present invention, one side of the space between the radiator bracket and the radiator is covered with a punching metal plate. Therefore, cooling air can be taken in while preventing dust, and cooling air can be taken in on the other side while preventing the inflow of dust to the radiator at the bent side of the dustproof body made of punching metal. it can.

  According to the fifth aspect of the present invention, in addition to the effect of the fourth aspect of the invention, the outer end surface of the bent portion of the dustproof body protrudes outside the radiator bracket, so that the dustproof body can be easily inserted and removed. Can be done.

  According to the present invention described in claim 6, in addition to the effects of the invention described in claim 4 or claim 5, by providing a step in the plate of the punching metal, the rigidity can be increased and the width is different. The radiator bracket and the radiator can be brought into contact with no gap. Furthermore, if the dustproof body is brought into contact with the step on the outside of the plate body, the mesh overlaps and the air suction efficiency is reduced. Can be prevented.

Side view of tractor Side view of equipment dustproof part in engine room Left perspective view of equipment dustproof part in engine room Perspective view of the main part Right side perspective view of the dustproof part in the engine room Perspective view of the main part Top view of the main part Side view of equipment in engine room Same perspective view Bonnet side view Left side net side view Right side net side view Front view showing fuel pump mounting configuration

  An embodiment of the present invention will be described with reference to the drawings.

  FIG. 1 shows a riding tractor as an example of a work vehicle. An engine room 3 covered with a bonnet 2 is arranged at the front of the traveling vehicle body 1 and an engine E is mounted therein. . The rotational power of the engine E is transmitted to the transmission in the transmission case 4, and the rotational power decelerated by the transmission is transmitted to the front wheels 5 and the rear wheels 6. A driver's seat 8 is installed in the cabin 7 at the rear of the vehicle body, and a steering handle 9 for steering the front wheels 5 and 5 is provided in front of the driver's seat 8.

  In the engine room 3, a cooling fan 11 is disposed between the engine E and the radiator 10, and the inside of the fan shroud is rotated by the driving force of the engine. A radiator bracket 12 for supporting and fixing the radiator 10 is erected in front of the cooling fan 11, and the left and right side surface portions 12L and 12R are provided with at least two ventilation holes 13, which are formed of punched holes. 13 is provided and covered with punching metal.

  The sides of the gaps 14L, 14R between the radiator bracket 12 and the radiator 10 are covered with plate members 15, 15 made of punching metal and capable of sucking air.

  The punching metal plate 15 covering the side surface of the gap 14R on one side between the radiator bracket 12 and the radiator 10 has a shape having a step H in the left-right direction with respect to the traveling direction of the vehicle, and maintains rigidity and bolts. It is set as the structure fastened and fixed detachably via.

  The plate 15 on the side of the other gap 14 </ b> L is a bent portion 16 a formed on one side of the dustproof body 16 with a dustproof net that covers the front surface of the radiator 10. The gap 14L is used as an insertion port for the dustproof body 16, and a bent portion 16a that covers the gap between the dustproof body 16 and the radiator 10 is formed on the side of the dustproof body on the insertion port side. The bent portion 16a is sucked by punching metal. It has a possible configuration. In addition, the bent portion 16a extends longer than the outer end portion of the radiator bracket 12 so that the dustproof body can be easily inserted and removed. Therefore, the dustproof body can be inserted and removed by sliding the left and right sides with the bent portion 16a at the outer end.

  In addition, by configuring the other end of the inserted dustproof body 16 to contact the innermost surface of the stepped plate 15, the intake area can be increased.

  In the embodiment shown in FIGS. 8 and 9, an air cleaner 18 disposed at the upper front portion of the radiator 10 is disposed so as to rise about 7 degrees from the side, and a space is provided on the lower side. By arranging, the equipment configuration can be simplified and the parts can be shared, and the intake area can be increased.

  A battery 20 is disposed on the front side of the fuel cooler 19, and a condenser 21, an oil cooler 22, and the like are disposed on the rear side of the fuel cooler.

  In the embodiment shown in FIG. 10, a vent 23 for taking in outside air is provided on the side surface of the bonnet 2 so as to cool the engine room.

  Further, as shown in FIG. 11, a safety cover 25 is formed below the left side net 24L of the bonnet, and this has a function of guarding the hydraulic hose and fuel hose on the side of the axle bracket 26 at the same time as the function of the cover. It has become. This side net is attached to the same type of mounting stay even in models with different hood shapes, but the mounting stay 27 at the rear of the left side net 24L is fixed to the engine rear plate.

  FIG. 12 shows the right side net 24R, but the radiator bracket 12 is also provided with an attachment portion so that it can be attached. In addition, it is good to provide a pin in this attaching part, and to be removable with a spring. Further, a frame may be provided between the shroud side surface and the rear plate bracket, and the side net may be fixed with bolts.

  Conventionally, in an electrical harness of a tractor, a slow blow fuse and a relay are fixed to a battery set plate or arranged in a vacant space near the starter. For this reason, when the battery is disposed in front of the battery, a rust problem occurs when the vehicle travels on a road where anti-freezing agent or the like is applied. Even when placed near the starter, the ventilation near the starter deteriorated, causing not only an increase in temperature but also a poor appearance and a decrease in commercial value. In this example, the above-mentioned conventional problems can be solved by arranging such a slow blow fuse and relay relationship on the left and right of the support member of the air cleaner. Moreover, in the electrical harness of a tractor, the structure which arrange | positions a slow blow fuse and a relay directly right and left behind an air cleaner may be taken. According to this, the relay relationship can be arranged neatly, the product value can be increased neatly, an extra stay is not required, and the cost can be reduced.

  In the embodiment shown in FIG. 13, the fuel pump 29 is attached to the side net attaching member 28 while being inclined, and the protective cover 31 of the engine rotation pickup sensor 30 is attached to the opposite side of the attaching member 28. The attachment bolt 32 is made long and attached together with the protective cover 31. According to this configuration, the conventional fuel pump is attached to the engine with a dedicated bracket set together with the fuel filter. However, the fuel pump can be disposed by letting the fuel pump escape from the filter and piping on the engine side. The entire layout, including routing with filters, can be done smoothly. Further, the sensor cover can be attached after the harness is installed.

E Engine 3 Engine room
DESCRIPTION OF SYMBOLS 10 Radiator 11 Cooling fan 12 Radiator bracket 13 Ventilation part 14 Crevice 15 Plate body 16 Dust-proof body 16a Bending part

Claims (6)

  The engine (E) is mounted in the engine room (3) at the front of the work vehicle, and a radiator bracket (12) for supporting and fixing the radiator (10) is erected in front of a cooling fan (11) attached to the engine. A dustproof structure for a work vehicle driving section, characterized in that a ventilation section (13) capable of taking in outside air is provided on a side surface of the radiator bracket (12).   2. The work vehicle prime mover according to claim 1, wherein at least two ventilation portions (13) are provided on one side surface of the radiator bracket (12), and the ventilation portions are covered with a punching metal. 3. Dust-proof structure of the part.   The work vehicle according to claim 1 or 2, wherein a side surface of one side of the gap between the radiator bracket (12) and the radiator (10) is covered with a punching metal plate (15). Dust-proof structure of the driving part.   Inserting a dustproof body (16) covering one side surface of the gap between the radiator bracket (12) and the radiator (10) with a punching metal plate (15) and covering the other side surface of the radiator front surface A dust-proof body (16) that covers the front surface of the radiator from the insertion port, and a bent portion (16a) that covers a gap between the dust-proof body and the radiator is provided on the side of the dust-proof body on the insertion port side, The dust-proof structure for the work vehicle driving section according to claim 1 or 2, wherein (16a) is made of a punching metal.   The dustproof structure for a work vehicle driving portion according to claim 4, wherein an outer end surface of the bent portion (16a) protrudes outward from an end surface of the radiator bracket (13).   A punching metal plate (15) covering one side surface of the gap between the radiator bracket (12) and the radiator (10) has a step (H) in the lateral direction of the vehicle, and the dustproof body ( The dust-proof structure of the work vehicle driving part according to claim 4 or 5, characterized in that 16) is configured such that its end part comes into contact with the innermost surface of the plate body (15).

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