JP2010274894A - Working vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To solve a problem that alignment of a lower end of a bonnet hood and an upper end of left/right side cover is troublesome since the bonnet hood and the left/right side cover are engaged/mounted to separate members respectively. <P>SOLUTION: One mounting plate 21 is mounted to left and right radiator support frames 20, i.e., fixing members. A catch 25 is mounted to the mounting plate 21, and the bonnet hood is engaged with it in the closed state. Brackets 30 are mounted to left and right sides of the mounting plate 21, and front upper parts of the side covers 10 at both left and right ends are assembled to these brackets 30. The lower end of the bonnet hood and the upper end of the left/right side cover are positioned and aligned making the same mounting plate 21 as reference. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a working vehicle such as a tractor in which an engine is disposed in a front part of an airframe, and more particularly to a hood hood and a side cover mounting structure that covers the engine and the like.

  Generally, a bonnet device that forms an engine room in a tractor includes a front grill that covers a front portion, left and right side covers that cover left and right sides, and a hood hood that covers an upper portion. Are attached to different members. For example, the left and right side covers have lower portions engaged with stays attached to the front frame, and upper front portions are respectively engaged with left and right support frames that support a radiator. The rear of the bonnet is pivotally supported by the portal frame so that the front of the bonnet is locked to a front grill or a bracket of another member (for example, Patent Document 1).

Japanese Patent No. 3676009

  The bonnet device is mounted on separate members to position the front grille, left and right side covers, and the hood hood, so that the upper end of the left and right side covers and the lower end of the bonnet hood are aligned with each other to align the line. Although it is preferable, the line tends to be difficult to fit, the assembly is troublesome, and there is a risk that an uneven product will appear.

  Accordingly, an object of the present invention is to provide a working vehicle that solves the above-described problems by positioning the upper part of the left and right side covers and the hood hood with reference to a common mounting plate.

In the present invention, an engine and an auxiliary machine are arranged at the front part of the traveling machine body (5), and the front grille (9) covering the front part, the left and right side covers (10, 10) covering the left and right sides, and the upper part A hood device (7) having a hood hood (11) for covering, a frame (13) is integrally fixed to the engine to form a fixing member (20), and the left and right side covers (10, 10) are In the working vehicle (1), which is detachable and the hood hood (11) can be opened and closed with the rear part as a pivot shaft,
One mounting plate (21) extending in the width direction is fixed to the fixing member (20), a catch (25) is attached to the center in the width direction of the mounting plate, and brackets ( 30, 30),
The hood hood (11) is detachably locked to the catch (25), and the upper front portions of the left and right side covers (10, 10) are attached to the left and right brackets (30, 30), respectively. Is a working vehicle.

  The left and right brackets (30, 30) are fixed to the mounting plate (21) through a long hole (30a) so as to be adjustable in the width direction.

The fixing member to which the mounting plate (21) is fixed is a radiator support frame (20) for fixing the radiator (12) as the auxiliary machine to the frame (13),
The mounting plate (21) is fixed to the radiator support frame (20) so as to be adjustable in the vertical direction.

  In addition, although the code | symbol in the said parenthesis is for contrast with drawing, it does not have any influence on the structure as described in a claim by this.

  According to the first aspect of the present invention, when the hood hood is closed and when both the left and right side covers are assembled, both are positioned with reference to the same mounting plate. Both lines with the upper end of the cover are aligned so that the bonnet device has a clean appearance. In addition, the hood hood is held in the closed position by the catch attached to the mounting plate, and the left and right side covers are assembled in contact with the brackets attached to the mounting plate. It can be easily assembled in a state where the lines are aligned.

  According to the second aspect of the present invention, since the left and right brackets are attached to the mounting plate so as to be adjustable in the width direction by the long holes, the above lines are easily formed even if the left and right side covers vary due to manufacturing errors or the like. It can be adjusted and assembled to match.

  According to the third aspect of the present invention, the mounting plate is fixed to the radiator support frame, which is a fixing member, in an up-and-down direction adjustment.

The perspective view which shows the tractor which is a working vehicle which can apply this invention. The perspective view which shows the bonnet apparatus. The perspective view which shows the engine room. The disassembled perspective view which shows the attachment plate of a bonnet apparatus. The perspective view which shows the latching | locking part of a bonnet hood. The perspective view which shows the attachment part of a side cover. The longitudinal cross-sectional view of a bonnet apparatus. The enlarged side view which shows the edge part of an attachment plate.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. As shown in FIG. 1, the tractor 1 has a traveling machine body 5 supported by the front wheels 2 and the rear wheels 3. The traveling machine body 5 is configured by integrally combining an engine, a clutch housing, and a transmission case. The auxiliary machine is mounted in front of the engine, and the cabin 6 is placed behind the engine so as to surround the driver's seat.

  As shown in FIG. 2, a bonnet device 7 is disposed at the front portion of the traveling machine body 5 so as to surround the engine and the like, and the bonnet device 7 includes a front grill 9 that covers the front portion of the engine and the like, It consists of left and right side covers 10 and 10 that cover the left and right side surfaces, and a bonnet hood 11 that covers the top. As shown in FIG. 3, the auxiliary machine such as the radiator 12 is integrally fixed to a front frame 13 fixed to the engine to constitute a fixing member. The rear part (driver's seat side) of the bonnet device 7 is a rear support frame 15 that is a fixing member, and a seal frame 16 that restricts the movement of hot air is fixed to the rear part of the radiator 12. . A gate-shaped front grille mounting frame 17 is fixed to the front frame 13 at the front portion of the radiator 12.

  The radiator 12 has a support frame 20 fixed to both left and right side surfaces thereof, and a lower end portion of the support frame 20 is fixed to the front frame 13. As described above, the support frame 20 and the support frame 20 constitute a fixing member. is doing.

  The bonnet hood 11 is pivotally supported at the rear part thereof by the rear support frame 15 so as to be freely opened and closed, and the left and right side covers 10 and 10 are detachably attached to fixing members. The front grill 9 is detachably attached to the mounting frame 17.

  As shown in FIGS. 3 and 4, the mounting plate 21 according to the present invention includes a central plate member 21 a extending in the width direction of the traveling machine body 5 and end plate members 21 b welded to the left and right ends of the plate member. The end plate member has notches a and b formed at two orthogonal end surfaces. A plurality of bolts 20a are implanted in the support frame 20 as a fixing member, and the mounting plate 21 is fixed by engaging the notches a and b with these bolts and tightening the nuts. At this time, as shown in FIG. 8, the mounting plate 21 is mainly mounted so that the vertical position can be adjusted by a predetermined amount.

  A catch 25 is attached to the central portion of the central plate member 21 a of the attachment plate 21. The catch 25 includes a base 26 that is integrally fixed to the central plate member 21 a, a fixed claw portion 26 a that is bent on the base 26, and a movable side that is rotatably connected to the base 26. The movable side claw portion 27 is biased in the locking direction by a spring 28, and the Bowden wire 29 is connected to the front operation portion and is engaged / disengaged at the operation portion. Can be manipulated. Brackets 30 are fixed to the left and right ends of the central plate member 21a of the mounting plate 21 with bolts. At this time, a long hole 30a is formed in the left and right brackets 30 so that the position in the width direction can be adjusted by a predetermined amount. Further, stays 34 and 34 for fixing the lower portion of the front end of the side cover 10 are fixed to the front frame 13 which is a fixing member.

  As shown in FIGS. 5 and 7, catch bars 32 are integrally fixed to the bonnet hood 11 via mounting brackets 31, and springs 33 and 33 are provided on the left and right sides of the bars 32 of the mounting bracket 31. Is fixed. These springs 33 abut against the mounting plate 21 to keep the cushioning action when the hood hood 11 is closed, and prevent the hood hood 11 from rattling after the bar 32 is locked to the catch 25.

  As shown in FIGS. 3 and 5, the left and right side covers 10 are integrally fixed with engaging members 35 and 36 at their rear upper and lower parts, and mounting stays 37 and 39 at their front upper and lower parts. Are fixed together. The side covers 10 engage the rear engaging members 35 and 36 with the engaging portions formed on the rear support frame 15, and the fixing stay 34 is provided with a mounting stay 39 at the lower front portion thereof. As shown in FIG. 6 and FIG. 7, the mounting stay 37 is engaged with the member (pin) and positioned in contact with the bracket 30 to position the knob bolt 38 (see FIG. 3). The nut 30b fixed to the bracket 30 is fixed by tightening.

  The bonnet hood 11 is locked by a catch 25 attached to the attachment plate 21 at the closed position, and upper portions of the left and right side covers 10 and 10 abut against brackets 30 and 30 integral with the same attachment plate 21. Are positioned and assembled. At this time, the hood hood 11 has its bar 32 dropped into the groove portion of the fixed claw portion 26 a of the catch 25, so that the left and right (width direction) position is regulated, and the bar 32 is hooked to the movable claw portion 27. Engagement restricts the vertical position. Therefore, the line at the lower end of the hood hood 11 in the closed state and the line at the upper end of the left and right side covers 10 and 10 in the assembled state are all positioned with the same mounting plate 21 as a reference. A consistent and clean state.

  At this time, as shown in FIG. 8, the mounting plate 21 is adjusted in the vertical position by the margins of the notches a and b with respect to the support frame 20 which is a fixing member, and also on the upper end surface of the front grill 9. The left and right side covers 10 and 10 are adjusted in position in the width direction by the long holes 30a and 30a so that the brackets 30 and 30 are adjusted in variation due to manufacturing errors and the like. Direction lines are aligned.

  In addition, although embodiment mentioned above was applied to the tractor as a working vehicle, it is applicable not only to this but the bonnet apparatus of another working vehicle similarly.

1 Working vehicle (tractor)
5 traveling machine body 7 bonnet device 9 front grill 10 side cover 11 bonnet hood 12 auxiliary machine (radiator)
13 Fixing member (front frame)
20 Fixing member (radiator support frame)
21 Mounting plate 25 Catch 30 Bracket

Claims (3)

An engine and an auxiliary machine are arranged in the front part of the traveling machine body, and a bonnet device having a front grille covering the front part, left and right side covers covering the left and right side surfaces, and a bonnet hood covering the upper part is provided, In a working vehicle in which a fixed member is configured by being integrally fixed, and the left and right side covers are detachable, and the bonnet hood is openable and closable with a rear portion as a pivot shaft.
One fixing plate extending in the width direction is fixed to the fixing member, a catch is attached to the center in the width direction of the mounting plate, and brackets are attached to the left and right ends of the mounting plate,
The hood hood is detachably locked to the catch, and the front upper portions of the left and right side covers are attached to the left and right brackets, respectively.
A working vehicle characterized by that. The left and right brackets are each fixed to the mounting plate so as to be adjustable in the width direction through a long hole.
The working vehicle according to claim 1. The fixing member to which the mounting plate is fixed is a radiator support frame that fixes the radiator as the auxiliary machine to the frame,
The mounting plate is fixed to the radiator support frame so as to be adjustable in the vertical direction.
The work vehicle according to claim 1 or 2.

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