JPS581087Y2 - tractor - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a working machine mounting member for a tractor, which serves both of reinforcing the tractor body and mounting the working machine.

Conventionally, various management equipment such as weeding equipment, mowers, and medical records have been directly attached to the transmission case, clutch housing, etc. that make up the tractor body.

However, due to the demand for lighter and more compact tractors, and the opposite demand for improved performance and larger work equipment, the above-mentioned structure that is directly attached to the machine body may cause damage to the tractor body. Furthermore, it has become necessary to attach various types of work machines, and as the work machines have become more diverse, problems have arisen in which attachment and installation are difficult in terms of strength and space.

The present invention aims to solve these problems in view of these problems, and the feature of the present invention is that the cross section U that covers the lower abdomen and side wall of the tractor body.
A letter-shaped work machine mounting member is attached along the longitudinal direction of the machine body.

Hereinafter, the present invention will be explained based on the illustrated embodiments.

1 and 2, 1 is a tractor body, 2 is a front wheel, 3 is a rear wheel, and 4 is a bonnet. An engine 5 is installed near the front end of the tractor body 1, and above it is a bonnet 4. covered.

The tractor body 1 uses a separate frame.
The clutch housing 6, the transmission case 1, and the differential case 8 are sequentially connected by flange bolts or the like to form an integral structure.

A hydraulic case 9 is attached to the upper surface of the differential case 8, and a seat 10 is attached to the hydraulic case 9.A main gear shift lever 11 is attached near the center of the tractor body 1.
A PTO gear shift lever 12 is provided upright, and a steering wheel 13 is provided upright above and in front of it.

The reference numeral 14 indicates a working machine, which is a variety of working machines such as a management working machine for weeding or inter-tilling, or a pasture working machine,
It is arranged between the front wheel 2 and the rear wheel 3.

A reinforcing member having a U-shaped cross section is provided adjacent to the lower abdomen 15 and side wall portion 16 of the tractor body 1, and this reinforcing member not only reinforces the tractor body 1 but also
The work implement 14 is fixed to the work implement attachment member 17 by bolts, welding, or other means (not shown).

Further, in the example of FIG. 1, this work machine mounting member 17 is
It is relatively elongated in the longitudinal direction and is located close to the lower abdomen 15 and side wall portion 16 of the engine 5, clutch housing 6, transmission case T, and a portion of the differential case 8, and
In the example shown in FIG. 2, a boss portion 18 is provided protruding from the lower abdomen 15, and the working machine mounting member 17 is fixed to the boss portion 18 with a bolt or the like (not shown).

Note that a similar boss portion may also be provided protruding from the side wall portion 16 and fixed thereto.

It should be noted that the work equipment mounting portion 11 disposed along the longitudinal direction of the tractor body 1 may be brought into contact with the lower abdomen 15 and the side wall portion 16VC, or may be placed close to each other at a predetermined interval. It is necessary to be able to reinforce the tractor body 1 by increasing the length in the longitudinal direction, and in particular, it is necessary to arrange it near the center of the tractor body 1 where bending stress is large.

Next, as shown in FIG. 2, a rear wheel fender 20 is removably fixed to the working machine mounting member 17 with bolts 21, thereby making it easy to attach the fender 20.

Furthermore, although not shown, if the legs of the gate-shaped safety frame are fixed to this member 17, the structure of the attachment part can be simplified and the attachment work can be facilitated.

3 is a comparative example of the present invention, and the work implement mounting member 17' is a pair of parallel plates fixed only to the side wall 16 of the tractor body 1. In the example, it is fixed to a boss portion 18 protruding from the side wall portion 16 by a pole N9.

Reference numeral 22 shows a front loader having a packet 23 that projects in front of the tractor and is movable up and down. After the connecting and fixing member is once fixed to 17', the swing arm 24 is fixed.

If the plate-shaped work equipment mounting member 17' is provided only on the side wall 16 shown in FIG.
Its range of use is limited, and its function as a reinforcing member is also insufficient.

In contrast, according to the embodiment of the present invention described above, in order to dispose a management work machine, a pasture work machine, etc. between the front wheels 2 and the rear wheels 3, the lower part 15 side of the tractor body 1 or the side wall Not only can the rear wheel fender 20 and safety frame be fixed to the part 16 side via the work equipment mounting member 1γ, but also the rear wheel fender 20 and safety frame can be attached to the rear part of this member 11, and furthermore, the front work equipment such as the front loader 22 can be fixed to the work equipment mounting member 1γ. can be fixed to the front part of this member 17, and it is possible to avoid forming a large number of mounting holes and bolt holes in the tractor body 1 itself, which would result in a large notch factor and damage to the body 1. This makes it possible to effectively prevent the above-mentioned work equipment 14, etc., and to firmly mount the work equipment 14 and the like with sufficient strength.

Further, the work machine mounting member 11 serves to sufficiently reinforce the tractor body 1 against bending stress.

Note that inside the mission case 7 and the like, a main shaft 26, a PTO shaft 210 and a travel system shaft 28 are disposed below and above with the main shaft 26 in between, and a lubricating oil 29 is contained therein.

Next, in FIGS. 4 and 5, only the mission case 7 that constitutes the tractor body 1 has a length that changes depending on the tractor model, but the length of the engine 5 and the clutch housing 6 vary depending on the tractor model.
, when the length L of the transmission case 7 increases from Ll to L2 in the case where the differential case 8 etc. are shared and the length L is constant, only this work equipment mounting member 11 should be replaced with a stronger one. For example, the mission case 1 may be lightweight.

In this way, when the tractor body 1 becomes elongated due to the wheelbase or the like, this member 11 serves as an effective reinforcement.

Although not shown, the tractor body 1 is divided into front and rear parts, for example, the clutch housing 6 and the transmission case T are separated, and power is transmitted using a telescoping universal joint, etc. It is also possible to obtain a tractor whose wheelbase can be freely changed by sliding the front half and the rear half of the tractor body 10, which are divided into 10, on the mounting member 17.

As described in detail above, the work equipment attachment member of the present invention has a simple structure in which it has a U-shaped cross section and is fixed in close proximity to or in contact with the tractor body in the longitudinal direction so as to cover the lower abdomen and side wall of the tractor body. In addition to being cheap and easy to manufacture, the overall strength of the tractor can be sufficiently improved.
Even when installing a large number of various types of work equipment, front loaders, safety frames, etc., bolt holes that reduce the strength of the tractor body can be formed in the work equipment attachment member, which is advantageous in terms of strength and also reduces the size. Even if a working machine with improved performance is installed, this mounting member can provide sufficient strength.

By providing both measuring parts of the housing and the work equipment mounting member having a U-shaped cross section apart from the side wall of the machine body, the mounting member can
It can also be used as a step.

As a result, the overall weight of the tractor can be reduced.

The practical effects of this invention are significant, as it can now be easily installed not only on various working machines, but also on safety frames, fenders, etc., without having to worry about where to install it.

[Brief explanation of drawings]

FIG. 1 is a side view of the entire tractor showing an embodiment of the present invention, FIG. 2 is a cross-sectional front view, FIG. 3 is a cross-sectional front view showing a comparative example of the present invention, and FIGS. 4 and 5 are: It is a simplified side view for explanation. 1...Tractor body, 14...Work machine, 15...Lower abdomen, 16...Side wall part,
1T...Work machine attachment component.

Claims (1)

[Scope of utility model registration request] A tractor characterized in that a work equipment mounting member 17 having a U-shaped cross section and covering a lower abdomen 15 and a side wall portion 16 of the tractor body 1 is attached along the longitudinal direction of the tractor body 1.