JPH1059172A - Radiator unit for rail-car - Google Patents

Abstract

PROBLEM TO BE SOLVED: To effectively utilize running wind generated by run of a vehicle relating to a radiator unit for a rail-car disposed on the rail-car such as a diesel engine. SOLUTION: A first and a second shutters 25, 27 which are inclined from a center front part of a core part 21b of a radiator 21 horizontally toward both sides of the core part 21b are disposed in front of the core part 21b to be freely opened/closed, a space formed between the first and the second shutter 25, 27 and the core part 21b is shielded by a shielding plate to form a running wind introducing duct space 37, and a fan 43 driven by a motor 41 is disposed on the back of the core part 21b of the radiator 21.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radiator unit for a diesel locomotive, such as a diesel locomotive.

[0002]

2. Description of the Related Art Generally, a diesel locomotive such as a diesel locomotive is equipped with a radiator unit for a diesel locomotive in which a plurality of radiators are combined to cool a diesel engine. FIG. 4 shows this type of radiator unit for a railroad vehicle. In this radiator unit for a railroad vehicle, a plurality of radiators 11 are arranged in a U-shape.
By covering the upper and lower portions of the radiator 11 with the plate 13, the duct space 15 is provided between the radiators 11.
Are formed.

[0003] An engine fan 17 driven by the engine is arranged on the opening side of the duct space 15.
By driving the engine fan 17, external air is guided from the core 11 a of the radiator 11 into the duct space 15, and the cooling water of the radiator 11 is cooled.

[0004]

However, in such a conventional radiator unit for a diesel car, the external air is supplied only by the engine fan 17 driven by the engine without using the traveling wind generated by the traveling of the vehicle. Because it is introduced into the core portion 11a of
There is a problem that the engine fan 17 becomes large and the total weight of the vehicle increases.

[0005] That is, in general, a diesel car is different from a normal car in that forward and backward travel is ascending and descending of a railway, and the direction of traveling wind with respect to the vehicle is inverted by 180 degrees between ascending and descending. Therefore, the cooling system is very large compared with a vehicle such as a truck of the same output utilizing the traveling wind. The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a radiator unit for a railcar that can effectively use a traveling wind generated by traveling of a vehicle.

[0006]

According to a first aspect of the present invention, there is provided a radiator unit for a diesel vehicle, wherein a first and a second radiator are inclined forward from the center of the core toward both sides in the horizontal direction of the core from the center of the core. A second shutter is openably and closably disposed, and a space formed between the first and second shutters and the core portion is covered with a shielding plate to form a traveling wind introduction duct space, and a core portion of the radiator is provided. , A fan driven by a motor is arranged behind the motor.

A radiator unit for a diesel vehicle according to a second aspect of the present invention is the radiator unit for a diesel vehicle according to the first aspect, further comprising:
A guide member for guiding a traveling wind is disposed on the first shutter and the second shutter. According to a third aspect of the present invention, there is provided a radiator unit for a diesel vehicle according to the first or second aspect, wherein the shutter has a plurality of louvers arranged in a vertical direction.

(Function) The radiator unit for a diesel vehicle according to the first aspect is disposed on the lower surface of the floor of the vehicle such that the radiator extends along the longitudinal direction of the vehicle and the traveling wind introduction duct space is located outside. Used. When the vehicle is moving forward, the first shutter is opened and the second shutter is closed, and the traveling wind is guided from the first shutter to the traveling wind introduction duct space, and the guided traveling wind passes through the core portion. After that, it is discharged through a fan driven by a motor.

On the other hand, when the vehicle is moving backward, the second shutter is opened and the first shutter is closed, and the traveling wind is guided from the second shutter to the traveling wind introduction duct space. After passing through the section, it is discharged through a fan driven by a motor. In the radiator unit for a diesel vehicle according to the second aspect, a guide member is disposed on the top side of the first shutter and the second shutter, and the guide member guides the traveling wind to the first shutter and the second shutter.

In the radiator unit for a diesel vehicle according to a third aspect, a plurality of louvers of a shutter are arranged in a vertical direction.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 to FIG. 3 show an embodiment of a radiator unit for a diesel vehicle according to the present invention. In FIG. 1, reference numeral 21 denotes a radiator arranged along the longitudinal direction of the vehicle. The radiator 21 is formed by arranging a core portion 21b between a pair of tanks 21a arranged at intervals in the horizontal direction.

The core portion 21b is formed by alternately stacking tubes 21c and corrugated fins 21d.
An inlet pipe 21e or an outlet pipe 21f is opened in the tank 21a. The pair of tanks 21a are housed in the frame 23.

A first shutter 25 and a second shutter 27 are provided in front of the core portion 21b of the radiator 21.
It is arranged to protrude toward the outside of the vehicle. The first shutter 25 and the second shutter 27 are connected to the core 21b.
From the center front of the core portion 21b toward both sides in the horizontal direction of the core portion 21b. The first shutter 25 and the second shutter 27 are configured such that a plurality of louvers 29 are arranged in a vertical direction, and these louvers 29 can be opened and closed by a shutter opening and closing mechanism described later.

A dustproof net 30 is disposed in front of the first shutter 25 and the second shutter 27. First shutter 25, second shutter 27, and core unit 2
The space formed between 1b is covered with a shielding plate composed of an upper plate 31, a lower plate 33 and a side plate 35, and a traveling wind introduction duct space 37 is formed.

First shutter 25 and second shutter 27
A pair of guide members 39 for guiding the traveling wind to the first shutter 25 and the second shutter 27 is disposed on the top side of the shutter. The pair of guide members 39 have a U shape, and are formed so as to protrude in the opposite direction from the side plate 35 located at the top.

A fan 43 driven by a motor 41 is disposed behind the core 21b of the radiator 21. The fan 43 is housed in a fan shroud 45. On the other hand, the frame 23 of the radiator 21
At the rear, a radiator shroud 47 is arranged, and the radiator shroud 47 and the fan shroud 45 are connected via a bellows 49.

A rear portion of the fan shroud 45 is fixed to a bracket 51, and the motor 41 is fixed to the bracket 51. Then, the bracket 51 is fixed to the lower surface of the floor plate 53 of the vehicle as shown in FIG. An upper plate 31 forming a traveling wind introduction duct space 37, and
The frame 23 of the radiator 21 includes brackets 55, 5
7 and is fixed to the lower surface of the floor plate 53 of the vehicle.

In FIG. 1, first and second hydraulic cylinders 61 and 63 constituting a shutter opening / closing mechanism are arranged inside the top of the side plate 35. On the other hand, a wire 65 is connected to each end of the louver 29 of the first shutter 25 and the second shutter 27, and the end of the wire 65 is connected to the first and second hydraulic cylinders 61, 63 are connected to the piston rods 61a, 63a.

In FIG. 2, a pressure tank 69 constituting a shutter opening / closing mechanism is arranged outside the top of the side plate 35. The pressure tank 69 is supplied with air pressure for opening and closing the door of the vehicle.
And the second hydraulic cylinders 61 and 63.

That is, when the switching valve 71 is moved forward, the piston rod 61a of the first air cylinder 61 is moved rightward in FIG. 1, and the louver 29 of the first shutter 25 is opened by the wire 65, At the same time, the piston rod 63a of the second air cylinder 63 is moved toward the left side in FIG.
Of the louver 29 is closed.

On the other hand, when the switching valve 71 is moved backward, the piston rod 63a of the second air cylinder 63 is moved rightward in FIG. 1, and the louver 29 of the second shutter 27 is opened by the wire 65, At the same time, the piston rod 61a of the first air cylinder 61 is moved leftward in FIG. 1, and the louver 29 of the first shutter 25 is closed by the wire 65.

The above-mentioned radiator unit for a diesel car has
The radiator 21 is arranged and used on the lower surface of the floor plate 53 of the vehicle so as to extend along the longitudinal direction of the vehicle and the traveling wind introduction duct space 37 is positioned outward. When the vehicle is moving forward, the first shutter 25 is opened and the second shutter 27 is closed, and the traveling wind is guided from the first shutter 25 to the traveling wind introduction duct space 37. After passing through the core portion 21b, it is discharged through a fan 43 driven by a motor 41.

On the other hand, when the vehicle is moving backward, the second shutter 27 is opened and the first shutter 25 is closed, and the traveling wind is guided from the second shutter 27 to the traveling wind introduction duct space 37 and is guided. After passing through the core portion 21b, the traveling wind is discharged through a fan 43 driven by a motor 41. In the radiator unit for a diesel car configured as described above, the first shutter 25 is opened when the vehicle moves forward.
The second shutter 27 is closed, and the traveling wind is guided from the first shutter 25 to the traveling wind introduction duct space 37.
When the vehicle moves backward, the second shutter 27 is opened, the first shutter 25 is closed, and the traveling wind is guided from the second shutter 27 to the traveling wind introduction duct space 37, so that the traveling wind generated by the traveling of the vehicle is generated. In addition, the first and second shutters 25 and 27 can be effectively used from the center front of the core portion 21b toward both sides in the horizontal direction of the core portion 21b.
Are arranged obliquely, the structure can be made very simple.

In the above-described radiator unit for a diesel vehicle, a guide member 39 for guiding the traveling wind to the first shutter 25 and the second shutter 27 is disposed on the top side of the first shutter 25 and the second shutter 27. Therefore, the traveling wind can be reliably guided to the first shutter 25 and the second shutter 27. Furthermore, since the plurality of louvers 29 of the first and second shutters 25 and 27 are arranged in the vertical direction, traveling wind can be reliably introduced into the traveling wind introduction duct space 37.

In the above-described embodiment, an example has been described in which the air cylinders 61 and 63 are used as actuators of the shutter opening / closing mechanism. However, actuators such as hydraulic cylinders and motors may be used. In the above-described embodiment, the first shutter 25 or the second shutter 2
7 has been described, but the first shutter and the second shutter 27 when the vehicle is stopped are described.
May be configured to open both.

[0027]

As described above, in the radiator unit for a diesel vehicle according to the first aspect, when the vehicle is moving forward, the first shutter is opened and the second shutter is closed, and the traveling wind is introduced from the first shutter. The traveling wind is guided into the duct space,
When the vehicle moves backward, the second shutter is opened and the first shutter is closed, and the traveling wind is guided from the second shutter to the traveling wind introduction duct space, so that the traveling wind generated by the traveling of the vehicle is effectively used. Further, since the first and second shutters are arranged obliquely from the center front of the core portion toward both sides in the horizontal direction of the core portion, the structure can be made very simple. it can.

In the radiator unit for a diesel vehicle according to the second aspect, since the guide member for guiding the traveling wind to the first shutter and the second shutter is disposed on the top side of the first shutter and the second shutter, the first shutter is provided. The traveling wind can be reliably guided to the shutter and the second shutter. Claim 3
In the radiator unit for a diesel car described above, since the plurality of louvers of the shutter are arranged in the vertical direction, the traveling wind can be reliably introduced into the traveling wind introduction duct space.

[Brief description of the drawings]

FIG. 1 is a cross-sectional view showing an embodiment of a radiator unit for a diesel vehicle according to the present invention.

FIG. 2 is a front view of FIG.

FIG. 3 is a side view of FIG. 1;

FIG. 4 is a perspective view showing a conventional radiator unit for a diesel vehicle.

[Explanation of symbols]

 Reference Signs List 21 radiator 21b core part 25 first shutter 27 second shutter 29 louver 37 running air introduction duct space 39 guide member 41 motor 43 fan

Claims (3)

[Claims] 1. A core part (21b) of a radiator (21).
A first portion inclined from the center front of the core portion (21b) toward both sides in the horizontal direction of the core portion (21b).
And the second shutter (25, 27) are arranged to be openable and closable, and the first and second shutters (25, 27) are arranged.
27) and the space formed between the core portion (21b) is covered with a shielding plate to form a traveling wind introduction duct space (37), and a motor (41) is provided behind the core portion (21b) of the radiator (21). ). A radiator unit for a diesel vehicle, comprising a fan (43) driven by the radiator unit. 2. The radiator unit for a diesel vehicle according to claim 1, wherein the first shutter (25) and the second shutter (27).
A radiator unit for a diesel vehicle, wherein a guide member (39) for guiding a running wind to the first shutter and the second shutter (25, 27) is disposed on the top side of the radiator unit. 3. The radiator unit for a diesel vehicle according to claim 1, wherein the first and second shutters (25, 27) have a plurality of louvers (29) arranged vertically. Radiator unit for railcars.