JP2517390Y2 - ROPS device for traveling vehicle - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a lops device for a traveling vehicle such as a tractor.

(Prior Art) For example, in an agricultural tractor, a lops device is provided to improve safety in a fall. Since this LOPS device largely projects upward from the vehicle body, it is difficult to put it in a garage with a low roof.

Therefore, in the prior art, the ROPS device is divided into upper and lower parts, and the ROPS upper body is detachably connected to the ROPS leg body by a plurality of bolts, and the ROPS upper body is removed during storage.

(Problems to be Solved by the Invention) In the above-mentioned prior art, attachment / detachment of the LOPS upper body requires tightening and loosening work of a plurality of bolts, and the attachment / detachment work is very troublesome.

In the present invention, the LOPS leg body and the LOPS upper body are pivotally connected by a horizontal axis, and the nail engaging portions are provided on the opposing surfaces of both bodies to rotate the LOPS upper body from the working posture to one of the front and back, but to the other. In order to prevent the rotation, and to prevent the rotation by inserting a blocking body, it is possible to prevent the blocking body from being fitted and removed and lost when not in use. An object of the present invention is to provide a lops device for a traveling vehicle in which use / nonuse of a body can be easily changed.

(Means for Solving the Problem) A specific configuration for solving the problem in the present invention is as follows. The ROPS leg 2 is fixed to the traveling vehicle body 1, and the lower part of the ROPS upper body 3 is attached to the upper part of the ROPS leg 2 and the horizontal axis. The ROPS upper body 3 is pivotally connected to the upper one side surface 5 of the ROPS leg body 2 and the lower one side surface 6 of the ROPS upper body 3 facing the same by rotating the ROPS body 3 from the working posture A to one of the front and rear. A claw biting portion 7 having a gap B is formed to occlude movement and to allow rotation to the other side of the front and rear, and an elastic coupling body 8 is provided to either one of the ROPS leg body 2 or the ROPS upper body 3. And a blocking body 9 which is fitted into the gap B in the connecting body 8 to block the rotation of the ROPS upper body 3, and the blocking body 9 is interposed by the connecting body 8 to form the ROPS leg body 2 or the ROPS upper body 3. And a fixture 10 for fixing to either one of them.

(Operation) The LOPS upper body 3 is pivotally connected to the LOPS leg body 2 by the horizontal axis 4, and when the blocking body 9 is disengaged from the gap B of the nail engaging portion 7, the LOPS upper body 3 rotates about the horizontal axis 4. Rotate back and forth,
It can be stored in a garage with a low roof.

The blocking body 9 is connected to either one of the LOPS leg body 2 or the LOPS upper body 3 via the coupling body 8, and will not be lost even if it is separated from the gap B.

The claw biting part 7 prevents the LOPS upper body 3 from rotating from the working posture A to the front or rear one side with respect to the LOPS leg body 2 and allows the other body to rotate to the other side. When the blocking body 9 is fitted into the gap B formed in the, the rotation of the blocking body 9 is blocked, and the LOPS upper body 3 is held in the acting posture A.

The fixation and rotation of the ROPS upper body 3 can be changed simply by inserting and removing the blocking body 9. The blocking body 9 is connected to the ROPS leg body 2 or the ROPS upper body 3 via the elastic connecting body 8. One of them is fixed with a fixture 10 in a loosening prevention state.

(Example) Hereinafter, an example of the present invention will be described with reference to the drawings.

In FIGS. 1 to 6, reference numeral 12 denotes a lops that is erected from the tractor body 1, and although it may exist by itself, in this embodiment, a roof member 13 is provided on the upper portion to constitute a sunshade device. .

The LOPS 12 is divided into two parts, upper and lower, and has a pair of left and right LOPS legs 2 and a downward C-shaped LOPS upper body 3 connected on both LOPS legs 2, and the LOPS upper body 3 is rotatable. It has become.

The left and right LOPS legs 2 are formed of a rectangular tube, and brackets 14 and 15 are welded and fixed to the lower portions thereof. The brackets 14 and 15 are the transmission case 18 and the rear axle case of the tractor body 1.
It is fixed at 16 mag. Reference numeral 17 indicates a pair of left and right rear wheel fenders.

A lower connecting body 19 is bolted (or welded) to the upper portion of each LOPS leg 2, and a horizontal shaft through hole 20 is formed, and a pair of claw portions 21 are formed on one side surface 5 of the horizontal shaft. Through hole
It is symmetrically projected around 20.

The ROPS upper body 3 is formed by bending a rectangular tube into a substantially C shape, forming an upper portion in a straight shape, and welding (or bolting) an upper connecting body 23 to both lower ends. One side surface (outer surface) of each upper coupling body 23 opposes the lower coupling body 19, a horizontal axis through hole 24 is formed, and a pair of claw portions 25 are symmetrical about the horizontal axis through hole 24. Is projected on.

The horizontal axis 4 is formed by headed bolts,
A nut 26 is screwed through the horizontal shaft through-holes 20 and 24 of the horizontal shaft 4, and the horizontal shaft 4 that is horizontal in the left-right direction pivotally connects the LOPS upper body 3 with respect to the LOPS leg body 2. are doing.

As shown by the solid line in FIG. 6, the LOPS upper body 3 is in the working posture A when it is linearly arranged with respect to the LOPS leg 2, and functions as a safety frame to make the roof member 13 act as a shade. At the time of storage, the LOPS upper body 3 can be brought into, for example, a horizontal non-use posture C (shown by a chain line in FIG. 6) by rotating from the acting posture A to one of the front and rear. Although the LOPS upper body 3 is tilted rearward, it may be tilted forward.

The claw portions 21 and 25 of the upper and lower connecting bodies 19 and 23 constitute the claw engaging portion 7, and when the LOPS upper body 3 is in the working posture A, one side surface of the claw portion 21 facing in the circumferential direction of the horizontal axis 4. Is in contact with one side surface of the claw portion 25 and occludes, and the other side surface of the claw portion 21 forms a gap B between it and the claw portion 25 which is not occluded. This gap B is about 90
It is formed in the range of 0 °, and allows the ROPS upper body 3 to rotate about 90 °.

A pair of the gaps B are formed in the front and rear of the horizontal axis 4, and a wedge-shaped blocking body 9 is removably fitted into one of the gaps. When this blocking body 9 is fitted, the gap B is filled,
Since the claws 25 cannot move between the pair of claws 21, the rotation of the LOPS upper body 3 is prevented.

The blocking body 9 has a mounting portion 9a protruding laterally, and one end of the elastic connecting body 8 is fixed to the mounting portion 9a.
The connecting body 8 is preferably made of a flexible non-metallic material such as a rubber plate or an elastic synthetic resin plate, but may be a spring plate or the like, and the other end thereof is fitted to the horizontal shaft 4 and fixed by a nut 27. It is attached to the ROPS leg 2.

10 is a fixture, and its screw portion 10a is a mounting portion 9a of the blocking body 9.
And, it penetrates through the connecting body 8 and is retained by a retaining ring 28, and is screwed to the lower connecting body 19 of the LOPS leg body 2.
The head is the grip part 10b.

The blocking body 9 is retained in the gap B by the fixing tool 10, and when the fixing tool 10 is removed, the blocking body 9 is connected to the connecting body 8 as shown by the dashed line in FIG. Fixing device 10 and lower connecting body 19 without being separated from 2.
Since the elastic connecting body 8 is interposed between the fixing member 10 and the fixing member 10, the fixing tool 10 can be prevented from loosening. Particularly when the connecting body 8 is a rubber plate, the gap between the mounting portion 9a and the lower connecting body 19 is filled to prevent the blocking body 9 from loosening and rattling, and when it is a spring plate, it is bent. It acts as a spring washer by the repulsive force.

FIG. 7 shows a modification of the attachment structure of the blocking body 9 and the connecting body 8. One end of the connecting body 8 is screwed to the upper and lower connecting bodies 23 of the LOPS upper body 3, and the other end of the connecting body 8 is attached to the stopper 9a of the blocking body 9.
The screw portion 10a of the fixture 10 penetrates through these and is retained by the retaining ring 28, and the screw portion 10a is screwed to the lower connecting body 19 of the ROPS leg 2.

In this modified example, the connecting body 8 straddles the ROPS leg body 2 and the ROPS upper body 3, but when tilting the ROPS upper body 3, one end is detached, so there is no problem, and similar to the above-described embodiment. In addition, it is possible to prevent the blocking body 9 from being lost and prevent the fixing tool 10 from loosening.

Further, in FIG. 7, the horizontal shaft 4 has a small threaded portion and a double nut 26 is screwed therein. Even if the nut 26 is fastened, the upper and lower connecting bodies 19, 23 are not fastened, and the blocking body is blocked. When 9 is detached, the ROPS upper body 3 can be rotated without loosening the nut 26.

A support frame 31 is detachably fixed to the upper portion of the LOPS upper body 3, and a roof member 13 is attached to the support frame 31.

The support frame 31 is formed by welding three square pipes into a U-shape in a plan view, and a channel material 32 is welded to both ends of the support frame 31 to form a rectangular shape, and the channel material 32 is fitted onto the upper portion of the lops upper body 3 from above. They are fixed together with a plurality of bolts 33.

The roof member 13 is a synthetic resin vacuum-formed upper and lower covers 34, 3
5, the upper cover 34 is integral, while the lower cover 3
5 is formed by three divisions. The roof member 13 can be integrally attached to and detached from the lops 12 by loosening and loosening the bolts 33, and is removed from the lops 12 at the time of storage.

Figures 8 and 9 show the tractor headlight mounting structure 2
An example is shown.

In the first example shown in FIG. 8, 38 is a bonnet front body that is detachably attached to the front surface of the bonnet body, and has an upper cover 39, a grill cover 40, a lamp cover 41 and a lower cover 42, and the lamp cover 41 is It is detachably attached to the left and right plate portions 43 connecting the grill cover 40 and the lower cover 42.

The lamp cover 41 is formed of a transparent acrylic tube, and a pair of left and right headlamps 44A are provided inside thereof with an adjusting screw 45 for each body.
It is attached to the lamp support 46 through the lamp cover 41, and a light window 47 and an adjustment hole 48 are formed in the lamp cover 41 so as to face the headlamp 44A.

The lower portion of the lamp support 46 is screwed to the lower cover 42, and the upper portion thereof is screwed to a mounting member 49 mounted on the grill cover 40 or the left and right plate portions 43. The lamp support 46 has a lamp insertion hole 50A and a screw hole 51. The lamp insertion hole 50A is for domestic specification lamps.

The second example shown in FIG. 9 shows a mounting structure for a different type of lamp, for example, a foreign-specification headlamp 44B.
A head lamp 44B is attached to the lamp insertion hole 50B from the rear from the rear.

The lamp insertion hole 50B is larger than that of the first embodiment and has a shape in which the hatched portion D in FIG. 8 is cut out, and a through hole 52 is formed instead of the screw hole 51.

That is, as is clear from the first and second examples, the two types of headlamps 44A, 44B need only be modified by machining the lamp insertion holes 50A, 50B and the holes 51, 52 of the one type of lamp support 46. Basic processing such as material management, bending and drilling is easy. Further, the adjusting screw 45 can also be used in common, and the adjusting screw 45 can adjust the optical axes of the headlamps 44A and 44B by inserting a driver from the adjusting hole 48 and moving the screw forward and backward. Reference numeral 53 is a coil spring fitted to the adjusting screw 45.

(Effect of the Invention) According to the present invention described in detail above, only by inserting and removing the blocking body 9, the ROPS upper body 3 is changed to the working posture A and the non-use posture C rotated with respect to the ROPS leg body 2. Therefore, it becomes easy to store the low roof in the garage, and the holding strength of the LOPS upper body 3 in the working posture A can be secured.

In addition, the blocking body 9 is connected to the LOPS leg 2 via the connecting body 8.
Alternatively, since it is connected to either one of the LOPS upper body 3, it will not be lost even if it is detached from the gap B when not in use, and the blocking body 9 is fixed by the fixture 10 at the time of use.
Alternatively, it is fixed to either one of the LOPS upper body 3, but since the elastic connecting body 8 is interposed between it and the fixture 10, it is possible to prevent the fixture 10 from loosening.

[Brief description of drawings]

1 to 6 show an embodiment of the present invention. FIG. 1 is a sectional view of an essential part corresponding to a section taken along the line II of FIG. 2, FIG. 2 is a front view of the essential part, and FIG. Is a sectional view taken along the line III-III in FIG.
Figure is an exploded perspective view of the main part, Figure 5 is a partial cross-sectional whole rear view,
FIG. 6 is a partial cross-sectional side view, FIG. 7 is a cross-sectional view showing a modified example, and FIGS. 8 and 9 are exploded perspective views showing two examples of a headlight mounting structure for a tractor. 1 ... Running vehicle, 2 ... LOPS leg, 3 ... ROPS upper body, 4 ... Horizontal axis, 5,6 ... Side, 7 ... Claw biting part, 8 ...
... Connector, 9 ... Blocker, 10 ... Fixing tool, A ... Working posture, B ... Gap.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazutaka Mizusawa 250-2 Ueharacho, Kawachinagano City, Osaka Prefecture Daido Co., Ltd. (56) References JP-A-2-74438 (JP, A) 68269 (JP, U) Actual development 2-88868 (JP, U)

Claims (1)

(57) [Scope of utility model registration request] 1. A LOPS leg (2) is fixed to a traveling vehicle body (1), and a lower part of the LOPS leg (3) is pivotally connected to an upper part of the LOPS leg (2) via a horizontal axis (4). , Between the upper one side surface (5) of the LOPS leg (2) and the lower one side surface (6) of the ROPS upper body (3) facing the same, the ROPS upper body (3) from the working posture (A) A claw biting part (7) is formed which has a gap (B) so as to prevent rotation in one of the front and rear directions and to allow rotation in the other of the front and rear, and forms a lops leg (2) or a lops upper body ( An elastic connecting body (8) is attached to either one of 3), and a blocking body (9) for preventing the rotation of the LOPS upper body (3) by being fitted into the gap (B) in the connecting body (8). ) And a fixture (10) for fixing the blocking body (9) to either the LOPS leg body (2) or the ROPS upper body (3) via the connecting body (8). ROPS device traveling vehicle characterized by.