JP6640681B2 - Tractor - Google Patents

Description

  The present invention relates to a tractor including a radiator support member that supports a radiator in an engine room.

  2. Description of the Related Art There is known a tractor including a radiator support member for supporting a radiator in an engine room, and a battery or an air filter arranged in a space in front of a radiator bracket provided on the radiator support member. For example, Patent Literatures 1 and 2 disclose a base member having a battery mounting portion along a bottom portion of an engine room, a radiator bracket erected on the base member behind the battery mounting portion and having a radiator mounted thereon, and a radiator bracket. And an air filter support stay having an air filter attachment portion disposed in front of the air filter support stay.

JP 2010-258006 A JP 2014-212123 A

  However, the air filter support stays disclosed in Patent Literatures 1 and 2 extend in the left-right direction in front of the radiator bracket, and extend downward from a horizontal support portion provided with an air filter attachment portion and both ends of the horizontal support portion. The left and right columns are connected to the base member, and are formed in the shape of a Japanese character when viewed from the front. There was a fear.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances and has been made with a view to solving these problems, and the invention of Patent Document 1 is a tractor having a radiator support member for supporting a radiator in an engine room. The radiator support member, along the bottom of the engine compartment, a base member having a battery mounting portion, a radiator bracket that is erected on the base member behind the battery mounting portion, the radiator is mounted, An air filter supporting stay disposed in front of the radiator bracket and having an air filter mounting portion. The air filter supporting stay is provided with the air filter mounting portion along the left and right direction in front of the radiator bracket. A horizontal support, extending downward from one end of the horizontal support, A vertical post portion connected to the over scan member, characterized in that it comprises a transverse strut is connected to the radiator bracket extending rearward from the other end of the horizontal support.
According to a second aspect of the present invention, there is provided the tractor according to the first aspect, wherein the vertical support portion is offset from the horizontal support portion toward the radiator bracket.
According to a third aspect of the present invention, there is provided the tractor according to the first or second aspect, wherein the radiator support member is provided with a fuel filter mounting column which is erected on the base member and to which a fuel filter is mounted. At least the lower side of the filter mounting column is formed in a U-shape in plan view, and the upper side is connected to the air filter supporting stay.

According to the first aspect of the present invention, since the other end of the horizontal support portion extends rearward and is connected to the radiator bracket, access to the space above the base member from the other side is facilitated, and the base member can be easily accessed. The maintainability of a battery or the like arranged in the upper space can be improved. Further, since the base member and the radiator bracket are connected via the air filter support stay, the strength of the radiator support member can be increased. In addition, since the connecting point of the air filter supporting stay is one for each of the base member and the radiator bracket, it is possible to avoid a complicated structure and an increase in the number of assembling steps.
According to the second aspect of the present invention, since the vertical support supporting one end of the horizontal support is offset toward the radiator bracket, access to the space above the base member from one side is also facilitated, The maintainability of a battery or the like arranged in the space above the base member can be further improved.
According to the third aspect of the present invention, the radiator support member is provided on the base member and includes a fuel filter mounting column on which a fuel filter is mounted. At least the lower side of the fuel filter mounting column has a U-shape in plan view. And the upper part is connected to the air filter support stay, so not only can the strength of the fuel filter mounting column be increased by the lower part of the U-shape in plan view, but also the upper part can be connected to the air filter support stay. By being connected, the strength of the air filter support stay can be increased.

It is a side view of a tractor. It is a perspective view which shows the fuselage front part (bonnet closed) of a tractor. It is a perspective view which shows the fuselage front part (bonnet open) of a tractor. It is a perspective view which shows the fuselage front part (bonnet removal) of a tractor. It is a perspective view of a radiator support member. (A) is a plan view of the radiator support member, (B) is a front view of the radiator support member, and (C) is a side view of the radiator support member. It is the perspective view which looked at the attachment state of the radiator support member from the fuselage right front. It is the perspective view which looked at the attachment state of the radiator support member from the fuselage left front. FIG. 2 is an exploded perspective view of a main part showing a mounting structure of a fuel filter.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In FIG. 1, reference numeral 1 denotes a traveling body of a tractor. The traveling body 1 includes an engine mounting portion 3 on which an engine 2 is mounted, a transmission 4 for shifting engine power, and a traveling power output from the transmission 4. The vehicle includes a front wheel 5 and a rear wheel 6 to be driven, a working machine connecting unit 7 to which various working machines are connected, and a driving unit 8 on which an operator gets on.

  As shown in FIGS. 1 to 4, the engine mounting section 3 is provided with an engine room 9 for housing the engine 2 and a hood 10 that covers the engine room 9 so that the engine room 9 can be opened and closed. In the engine room 9, in addition to the engine 2, a radiator 11, a cooling water tank 12, a battery 13, an air filter 14, a fuel filter 15, and the like are arranged.

  A cooling fan (not shown) is provided on the front surface of the engine 2, and engine cooling air is introduced into the engine room 9 from the front of the fuselage via the front grill 10 a in accordance with the rotational driving of the cooling fan.

  The radiator 11 is provided upright in front of the engine 2. A cooling water circulation path for circulating engine cooling water is formed between the radiator 11 and the engine 2, and the engine cooling water discharged from the engine 2 is sent to the radiator 11. The engine cooling water sent to the radiator 11 is cooled by heat exchange with the engine cooling air in the radiator 11 and returned to the engine 2.

  Between the radiator 11 and the cooling water tank 12, a cooling water supply passage through which refilling engine cooling water flows is formed, and the radiator 11 and the cooling water are expanded and contracted in accordance with the expansion and contraction of the engine cooling water in the radiator 11. The engine coolant flows to and from the water tank 12.

  The battery 13 is charged by an alternator (not shown) that generates power by the power of the engine 2 and supplies power to electrical components such as a starter (not shown). The air filter 14 is interposed in the intake path of the engine 2, filters the drawn outside air, and supplies the filtered outside air to the engine 2. Further, the fuel filter 15 is interposed in the fuel supply path between the fuel tank T and the engine 2, filters the sucked fuel and supplies the filtered fuel to the engine 2. The fuel filter 15 includes a main body 15a and a filter 15b detachable from the main body 15a, and the filter 15b is periodically replaced or cleaned.

  The cooling water tank 12, the battery 13, the air filter 14, and the fuel filter 15 are arranged in front of the radiator 11, which is an engine cooling air introduction path, in order to avoid performance deterioration due to temperature rise. The proper temperature is maintained by heat exchange.

  In the present embodiment, when arranging the cooling water tank 12, the battery 13, the air filter 14, and the fuel filter 15 in front of the radiator 11, these members 12 to 15 are attached to a radiator support member 16 that supports the radiator 11, The wiring and piping of these members 12 to 15 are supported by a radiator support member 16. Hereinafter, the radiator support member 16 which is a main part of the present invention will be described with reference to FIGS.

  The radiator support member 16 extends along the bottom of the engine compartment 9, a base member 18 having a battery mounting portion 17, a radiator bracket 19 erected on the base member 18 behind the battery mounting portion 17, and to which the radiator 11 is mounted. An air filter support stay 21 disposed in front of the radiator bracket 19 and having an air filter mounting portion 20; a fuel filter mounting support column 22 erected on the base member 18 in front of the radiator bracket 19 and on which the fuel filter 15 is mounted; Is provided.

  The battery mounting portion 17 includes a plurality of protruding pieces 17a erected on the base member 18, and the battery 13 is mounted on the battery mounting portion 17 via a battery support member 23 mounted on these protruding pieces 17a. The battery supporting member 23 of the present embodiment has a cooling water tank supporting portion 23a for supporting the cooling water tank 12 on one side, and is also used as a supporting member for the battery 13 and the cooling water tank 12. The radiator bracket 19 has a rectangular frame shape in a front view, and the radiator 11 is attached so as to cover a space in the frame.

  The air filter support stay 21 is formed of a rod-shaped member that is bent a plurality of times. The air filter support stay 21 extends in the left-right direction in front of the radiator bracket 19, and has a horizontal support portion 21a provided with an air filter mounting portion 20; A vertical support 21b extending downward from the base member 18 and connected to the base member 18, and a horizontal support 21c extending rearward from the other end of the horizontal support 21a and connected to the radiator bracket 19. As shown in FIG. 6A, the vertical support portion 21b is offset from the horizontal support portion 21a toward the radiator bracket 19 side.

  The fuel filter mounting column 22 has a U-shaped column portion 24 erected on the base member 18 and a fuel filter mounting portion provided at the upper end of the column portion 24 and to which the main body 15a of the fuel filter 15 is mounted. 25, and a connecting portion 26 for connecting the upper end portion of the fuel filter mounting portion 25 and the horizontal support portion 21c of the air filter supporting stay 21.

  According to the tractor of the present embodiment configured as described above, the tractor includes the radiator support member 16 that supports the radiator 11 in the engine room 9, and the radiator support member 16 extends along the bottom of the engine room 9. A base member 18 having a battery mounting portion 17; a radiator bracket 19 that stands on the base member 18 behind the battery mounting portion 17 and to which the radiator 11 is mounted; and an air filter mounting portion 20 that is disposed in front of the radiator bracket 19 An air filter support stay 21 having a horizontal support portion 21a provided with an air filter mounting portion 20 in front of the radiator bracket 19 in the left-right direction, and one end of the horizontal support portion 21a. Vertical support extending downward from the portion and connected to the base member 18 A horizontal support portion 21a and a horizontal support portion 21c extending rearward from the other end portion of the horizontal support portion 21a and connected to the radiator bracket 19, so that the other end portion of the horizontal support portion 21a extends rearward to provide a radiator. By being connected to the bracket 19, access to the space above the base member 18 from the other side is facilitated, and maintenance of the battery 13 and the like arranged in the space above the base member 18 can be improved. Further, since the base member 18 and the radiator bracket 19 are connected via the air filter support stay 21, the strength of the radiator support member 16 can be increased. In addition, since the connecting point of the air filter supporting stay 21 is one for each of the base member 18 and the radiator bracket 19, it is possible to avoid a complicated structure and an increase in the number of assembling steps.

  Further, since the vertical support portion 21b of the air filter support stay 21 is offset closer to the radiator bracket 19 side than the horizontal support portion 21a, access to the space above the base member 18 from one side is facilitated, and The maintainability of the battery 13 and the like arranged in the space above the member 18 can be further improved.

  Further, the radiator support member 16 includes a fuel filter mounting support 22 on which the fuel filter 15 is mounted, and the fuel filter mounting support 22 has a support portion 24 that constitutes a lower side of the fuel filter mounting support 22 in a plan view. Since the fuel filter mounting portion 25 formed in a U-shape and constituting the upper side is connected to the horizontal support portion 21c of the air filter support stay 21 via the connecting portion 26, the U-shaped support portion 24 in a plan view is provided. Not only can the strength of the fuel filter mounting column 22 be increased, but also the strength of the air filter support stay 21 can be increased by connecting the upper side to the air filter support stay 21.

DESCRIPTION OF SYMBOLS 1 Running body 2 Engine 3 Engine mounting part 9 Engine room 10 Bonnet 11 Radiator 12 Cooling water tank 13 Battery 14 Air filter 15 Fuel filter 16 Radiator support member 17 Battery mounting part 18 Base member 19 Radiator bracket 20 Air filter mounting part 21 Air filter Support stay 21a Horizontal support 21b Vertical support 21c Horizontal support 22 Fuel filter mounting support 24 Support 25 Support 25 Fuel filter mounting 26 Connecting part

Claims (3)

A tractor including a radiator support member that supports a radiator in an engine room,
The radiator support member,
A base member having a battery mounting portion along a bottom of the engine room,
A radiator bracket that is erected on the base member behind the battery mounting portion and to which the radiator is mounted;
An air filter supporting stay disposed in front of the radiator bracket and having an air filter mounting portion,
The air filter support stay,
A horizontal support portion provided with the air filter mounting portion along the left and right direction in front of the radiator bracket,
A vertical support portion extending downward from one end of the horizontal support portion and connected to the base member;
A traverse post extending rearward from the other end of the horizontal support and connected to the radiator bracket.   The tractor according to claim 1, wherein the vertical support portion is offset from the horizontal support portion toward the radiator bracket.   The radiator support member is provided on the base member and includes a fuel filter mounting column to which a fuel filter is mounted. At least the lower side of the fuel filter mounting column is formed in a U-shape in plan view, and the upper side is formed of the air filter. The tractor according to claim 1, wherein the tractor is connected to a filter support stay.

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