JPH055538U - Mounting structure of engine cooling device in industrial vehicle - Google Patents

Abstract

(57) [Summary] [Structure] In an industrial vehicle, a radiator 4 which is an engine cooling device and a shroud 7 fixed to the radiator 4.
And are held directly by the engine 1 via the radiator holding member 5. [Effect] When vibration occurs due to the vehicle body or engine,
The fan and shroud will vibrate in the same way, and even if the gap between the outer peripheral end of the fan and the inner peripheral surface of the shroud is smaller than the conventional gap, there is no risk of contact, and by making the gap small, When the fan blows air to the radiator, it is possible to reduce the occurrence of turbulent air flow, prevent a reduction in the blowing ability, and improve the cooling performance of the radiator itself.

Description

[Detailed description of the device]

[0001]

[Industrial application]

 The present invention relates to a mounting structure for an engine cooling device in an industrial vehicle such as a forklift truck and a shovel loader.

[0002]

[Prior Art]

 Conventionally, the body structure of an industrial vehicle such as a forklift truck has a backbone structure in which a front wheel 9, a mission 10 and an engine 1 are integrally configured as shown in FIG. 4, or a mission structure as shown in FIG. Most of them have a full float structure in which the engine 10 and the engine 1 are connected to the front wheels 9 via a propeller shaft 11. The engine 1 is arranged between the left and right main frames 2 of the vehicle body and the main frame 2 Is fixed via an engine support member 3. In an industrial vehicle having such a structure, a radiator 4 for cooling the engine 1 is arranged behind the engine 1, and is fixed to the main frame 2 via a radiator support member 12, so that the engine 1 and the radiator 4 can be fixed. In between, a fan 6 for cooling the radiator 4 is mounted on the engine 1 side, and a shroud 7 covering the outer periphery of the fan 6 is installed in the radiator to enhance the blowing ability of the fan 6. It is fixed to the 4 side.

[0003]

[Problems to be solved by the device]

 In conventional industrial vehicles, the engine and radiator are independently fixed to the main frame.Therefore, the fan mounted on the engine side and the shroud fixed to the radiator side cause vibrations of the vehicle body during running and the engine. When the vibration of itself occurred, the vibration was different between the fan and the shroud, and there was a risk that the outer peripheral edge of the fan and the inner peripheral surface of the shroud would come into contact with each other. For this reason, the gap between the outer peripheral edge of the fan and the inner peripheral surface of the shroud was made large, but the large gap disrupted the air flow, reducing the fan's ability to blow air into the radiator, and the radiator itself. There was a problem that the cooling performance of the machine was also lowered. The present invention aims to solve these problems.

[0004]

[Means for solving the problem]

 In order to solve the above problems, the present invention allows an engine cooling device, a radiator, and a shroud fixed to the radiator to be directly held by the engine via a radiator holding member, and the inner periphery of the fan and the shroud Even if the gap with the peripheral surface was made smaller than before, there was no risk of the outer peripheral edge of the fan contacting the inner peripheral surface of the shroud when vibration occurred.

[0005]

【Example】

 An embodiment of the present invention will be described with reference to FIGS. 1, 2, and 3. The engine 1 is arranged between the left and right main frames 2 of the vehicle body, and is fixed to the left and right main frames 2 via an engine support member 3. The radiator 4, which is a cooling device, is disposed behind the engine 1 and is held by the engine 1 via left and right radiator holding members 5 that are generally L-shaped in side view. Between the engine 1 and the radiator 4, a fan 6 driven by the engine 1 is mounted on the rear surface of the engine 1 to cool the radiator 4, and a shroud 7 covering the outer periphery of the fan 6 is installed. Is fixed to the front surface of the radiator 4. Further, a hose 8 for circulating cooling water is attached to the engine 1 and the radiator 4 at the upper side and the lower side.

With such a configuration, when the fan 6 is driven by the engine 1, the air satisfactorily flows through the inside covered with the shroud 7 and is blown to the radiator 4 to cool the radiator 4. Then, the cooling water cooled in the radiator 4 cools the engine 1.

The shroud 7 may be fixed to the radiator holding member 5 instead of being fixed to the radiator 4.

[0008]

[Effect of the device]

 In the present invention, the radiator 4 which is the engine cooling device and the shroud 7 fixed to the radiator 4 are held by the engine 1 through the radiator holding member 5, so that when vibration due to the vehicle body or the engine 1 is generated, The fan 6 and the shroud 7 vibrate in the same manner, and even if the gap S between the outer peripheral end of the fan 6 and the inner peripheral surface of the shroud 7 is smaller than the conventional gap, there is no risk of contact, By reducing the gap S, it is possible to reduce the generation of turbulent air in the air blown to the radiator 4 by the fan 6, prevent the air blown capacity from decreasing, and improve the cooling performance of the radiator 4 itself. it can. Further, in the work of assembling the engine 1, the radiator 4, etc. to the vehicle body, the radiator 4 can be fixed to the engine 1 before the engine 1 is fixed to the main frame 2 of the vehicle body, and the engine 1 and the radiator 4 The hose 8 connected to the vehicle can also be installed before fixing the engine 1 to the main frame 2 of the vehicle body. Therefore, the work between the narrow left and right main frames 2 can be reduced, the work can be facilitated, and the work efficiency at the time of assembly can be improved.

[Brief description of drawings]

FIG. 1 is a side view of an engine cooling device according to an embodiment of the present invention.

FIG. 2 is a top view of FIG.

FIG. 3 is a detailed cross-sectional view of part A in FIG.

FIG. 4 is an explanatory diagram of a conventional example.

FIG. 5 is an explanatory diagram of another conventional example.

[Explanation of symbols]

1 engine, 2 main frame, 3 engine support member, 4 radiator, 5 radiator holding member,
6 fans, 7 shrouds, 8 hoses, 9 front wheels, 10 missions, 11 propeller shafts, 12
Radiator support member.

Claims (1)

Claims for utility model registration 1. In an industrial vehicle, a radiator 4 which is an engine cooling device and a shroud 7 fixed to the radiator 4 are directly held by the engine 1 via a radiator holding member 5. A mounting structure for an engine cooling device in an industrial vehicle, characterized by: