JPS6236648Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to an intake system for a working vehicle, and its purpose is to provide a low cost, simple structure, and to support a main air cleaner and a pre-air cleaner in communication with each other.

Embodiments of the present invention will be described in detail below based on illustrative drawings.

As shown in FIG. 1, a front engine 1, a clutch housing 2, and a transmission case 3 are connected to form a machine frame, and the lower part of the engine 1 supports left and right front wheels 4, 4, which can be operated to change direction. The transmission case 3
A driver's seat 6 is provided on the upper part of the transmission case 3, and a power take-off shaft 7 is supported on the rear wall of the transmission case 3. The construction is such that work is carried out as the machine advances while driving a connected working device such as a tilling device with the output of the power take-off shaft 7.

As shown in FIGS. 2 and 3, an element-internal main air cleaner 8 connected to the engine 1 is provided inside the bonnet 9, and a cyclone-type pre-air cleaner 10 is provided in communication with the main air cleaner 8. The engine 1 is provided outside the bonnet 9 and is configured so that the engine 1 takes in combustion air through the pre-air cleaner 10 and the main air cleaner 8.

In order to support the main air cleaner 8 and the pre-air cleaner 10 in a communicating state, the upper parts of a pair of vertical frames 12a, 12a, which are erected from both lateral sides of the mounting table 15 for the battery 11, are connected by a pipe 12b. A support frame 12 for the air cleaner 8 is configured, and the main air cleaner 8 is attached to a bracket 16 extending downward from the pipe 12b using a tightening band 13, and the intake pipe 8a of the main air cleaner 8 is attached to a bracket 16 extending downward from the pipe 12b. Said pipe 1
The exhaust pipe 10a of the pre-air cleaner 10 is connected to the pipe 1 by fitting it in communication with the exhaust pipe 14 attached to the pipe 2b and fixing it with a tightening band.
It is fitted and supported in communication with the end of 2b and fixed with a tightening band.

In addition, in implementing the present invention, the form of the support frame 12 may be changed in various ways, such as forming the vertical frame 12b of the support frame 12 in the embodiment into a pipe shape.

Furthermore, the intake device of the present invention can be applied to various work vehicles such as civil engineering machines, transport vehicles, and combine harvesters in addition to agricultural tractors.

In summary, the intake system for a work vehicle according to the present invention includes a pipe 12b that forms a part of the support frame 12 for the main air cleaner 8, and the pipe 12b.
b and the main air cleaner 8 are connected in communication,
It is characterized in that the pre-air cleaner 10 is fitted and supported in communication with the end of the pipe 12b.

That is, while the pipe 12b forming a part of the support frame 12 for the main air cleaner 8 is used as a pipe structure that communicates the main air cleaner 8 and the pre-air cleaner 10, the pre-air cleaner 10 is fitted to the end of the pipe 12b. Since the support frame 12 for the main air cleaner 8 is used both as a pipe structure for communicating the main air cleaner 8 and the pre-air cleaner 10 and as a support frame for the pre-air cleaner 10, the main air cleaner can be provided with an inexpensive and simple structure. 8
The pre-air cleaner 10 can be supported in communication with the pre-air cleaner 10.

As a result, we have achieved an intake system for work vehicles that has great advantages in terms of implementation and production.

[Brief explanation of the drawing]

The drawings illustrate an embodiment of the intake system for a working vehicle according to the present invention, and FIG. 1 is a side view of an agricultural tractor;
FIG. 2 is a partially cutaway front view of the air cleaner mounting portion, and FIG. 3 is a partially cutaway side view of the same portion. 8... Main air cleaner, 10... Pre-air cleaner, 12... Support frame, 12a, 12a...
Vertical frame, 12b...Pipe, 13...Tightening band.

Claims (1)

[Claims for Utility Model Registration] A part of the support frame 12 for the main air cleaner 8 is formed by a pipe 12b, and the pipe 1
2b and the main air cleaner 8, and the pre-air cleaner 10 is connected to the pipe 12.
An air intake device for a work vehicle, characterized in that the intake device is fitted and supported in communication with an end portion of b. The support frame 12 is formed by a pair of vertical frames 12a, 12
The utility model registration claim is characterized in that the upper part of a is connected with the pipe 12b, and the main air cleaner 8 is attached to a member connected to the pipe 12b with a tightening band 13. Intake system for work vehicles as described in Scope.