JP3236764B2 - Heat exchange equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a heat exchanger such as a radiator and an oil cooler in a construction machine.

[0002]

2. Description of the Related Art FIG. 5 shows an example of a mounting structure of a radiator and an oil cooler mounted on a conventional construction machine. In FIG. 5, reference numeral 1 denotes a radiator which is fixed to the vehicle body 5. The oil cooler 2 is rotatably supported by a vehicle body 5 via a hinge 4. In addition, 3 is a packing and 6 is a cover.

When cleaning the cores of the radiator 1 and the oil cooler 2, as shown in FIG. 5 (B), the oil cooler 2 is pivoted around the pin 4a of the hinge 4 to open the upper part, and the opening is opened. Cleaning was done manually from the department.

[0004]

In the above-mentioned conventional mounting structure, as shown in FIG.
, The sufficient cleaning work space cannot be taken in the lower half (Z part in FIG. 5B), and therefore the cleaning of the lower portions of the radiator 1 and the oil cooler 2 becomes incomplete, and the radiator 1 and the oil cooler There was a possibility that the heat transfer performance of No. 2 might be reduced.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and the gist of the first invention is that two flat plate heat exchangers are adjacent to each other. In a heat exchange device that is disposed so as to be parallel to each other, and air that has flowed through one heat exchanger flows through the other heat exchanger, one of the heat exchangers is fixed, and the other end of one of said side plates of the heat exchanger with connecting one end of the side plates to each other to <br/> opposite to each other at one end portion of the opposite side plate and the other heat exchanger through the first connecting mechanism And the other end of the side plate of the other heat exchanger are connected via a second connection mechanism, and the first connection mechanism and the second connection mechanism are connected to each other.
One end is pivotally supported at each of the heat exchangers, and the other end is
Are pinned to each other and these two links
Bias the link around its pin joint
Constituted by that biasing means, said two heat exchanger by moving the heat exchanger of the hand in a direction away from the heat exchanger of the other side while extending the first and second coupling mechanisms A heat exchange device characterized in that a predetermined interval can be formed between the vessels over the entire surface thereof.

The gist of the second invention is that a flat plate
The two heat exchangers are arranged adjacent and parallel to each other
The air that has flowed through one heat exchanger is
Heat exchange device
One end of the side plate facing this heat exchanger
One end of the side plate of the heat exchanger and the other heat exchanger
And one of the heat exchangers connected through the connecting mechanism
The other end of the side plate and the other end of the side plate of the other heat exchanger
Are connected via a second connection mechanism, and the first connection is performed.
One of the connecting mechanism and the second connecting mechanism
One link, both ends of which are pivotally supported by the heat exchanger,
Between the heat exchangers and urges these heat exchangers closer together
Of the heat exchanger
While extending the first and second coupling mechanisms, the other
By moving it away from the heat exchanger
A predetermined interval is provided over the entire surface between the two heat exchangers.
A heat exchange device characterized in that it can be formed .

[0007] It is a another feature, one end of the bi-how of the first connecting mechanism and the second coupling mechanism is pivotally supported on each of the heat exchangers and the other end two that are pin-connected to each other links and there these two links that constituted by biasing means for biasing to bent around the pin joint.

[0008]

Another feature is that the first connection
A mechanism and a second guide rail which is supported either other hand to one of the heat exchanger of the coupling mechanism, is attached to the other of the heat exchanger is constituted by a pin to be fitted into the guide groove of the guide rail It is in.

With this configuration, the positioning of each heat exchanger is ensured by the guide rails, and after cleaning each heat exchanger, one of the heat exchangers is easily and along the guide rails. Return to the correct position.

[0011]

Still another feature is that a fixing means for fixing the two heat exchangers adjacent to each other is provided. In this way, after cleaning, the heat exchanger can be fixed firmly adjacent to each other by the fixing means.

Still another feature is that a packing is provided for sealing the outer circumference of the opposing surfaces of the two heat exchangers. In this way, it is possible to prevent solids such as dust and rainwater from entering between the heat exchangers by packing.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention is shown in FIG. In FIG. 1, reference numeral 1 denotes a flat radiator which is fixed to a vehicle body 5 by a bolt (not shown). Reference numeral 2 denotes a plate-shaped oil cooler, which is locked to the oil cooler 1 by fixing means 30 in a normal state, and the radiator 1 and the oil cooler 2 are erected substantially vertically so as to be adjacent and parallel to each other. After flowing through the radiator 2, the radiator 1 is passed.

The front of the radiator 1 and the oil cooler 2
Packing 31 is interposed between the rear surface and the outer surface of the radiator 1 so as to prevent dust and water from entering the gap between the radiator 1 and the oil cooler 2 by the packing 31. .

Numeral 10 denotes a side plate 1b of the radiator 1 which faces each other.
And a second connecting mechanism 20 for connecting the lower part of the side plate 1b and the lower part of the side plate 2b to each other.

The first connecting mechanism 10 is a side plate 1b of the radiator 1.
A link 12 pivotally supported by a support pin 14 via a support pin 15, and a link 11 pivotally supported by a side plate 2 b of the oil cooler 2 via a support pin 15.
And a spring 13 supported on a side plate 2b of the radiator 1 via a fulcrum 16, and these are connected to each other by connecting pins 17.

The second connecting mechanism 20 is a side plate 1b of the radiator 1.
A link 22 pivotally supported by a support pin 24 via a support pin 24, and a link 21 pivotally supported by a side surface 2b of the oil cooler 2 via a support pin 25.
And a spring 23 supported on a side plate 1b of the radiator 1 via a fulcrum 26, and these are connected to each other via a connecting pin 27.

The radiator 1 and the oil cooler 2 are fixed means.
In the normal state fixed by the link 30, the links 11, 12 and the links 21, 22 are connected to the connecting pin 1 as shown in FIG.
It bends into an L-shape at 7, 27, and springs 13, 23
These dimensions and mounting positions are set so that the links are located substantially on the same line as the links 12 and 22, respectively, and are in a shortened state.

The first connecting mechanism 10 and the second connecting mechanism 20 are also mounted on opposite side surfaces (not shown) of the radiator 1 and the oil cooler 2.

When cleaning the front surface of the radiator 1 and the rear surface of the oil cooler 2, first, the fixing means 30
Release the lock by.

Next, if the oil cooler 2 is pulled forward,
As shown in FIGS. 1B and 1C, an L-shaped link 11,
12 rotates around the connecting pin 17 and gradually becomes linear,
Further, when the L-shaped links 21 and 22 rotate around the connecting pin 27 and become linear, the link 22 comes into contact with the stopper 32. During this time, the springs 13 and 23 also extend as the connecting pins 17 and 27 move.

As a result, as shown in FIG. 1 (C), a predetermined space is formed between the front surface of the radiator 1 and the rear surface of the oil cooler 2 over the entire surface, and the front surface of the radiator 1 and the oil cooler 2 are formed. 2 and the core can be easily cleaned therefrom.

In this state, the oil cooler 2 is temporarily locked by a locking mechanism (not shown), and the cores of the radiator 1 and the oil cooler 2 are cleaned and inspected.

After the cleaning and inspection, if the locking mechanism is released, the oil cooler 2 returns to the original position shown in FIG. 1A by the elasticity of the springs 13 and 23. Is fixed.

FIG. 2 shows a second embodiment of the present invention. In this embodiment, the first connecting mechanism 10 includes links 41 and 42 and a spring 43, and the second connecting mechanism 20 includes a guide rail 51 and a slide pin 52.

One link 42 of the first connecting mechanism 10 is pivotally supported by a support pin 45 on the side plate 2b of the oil cooler 2, and the other link 41 is pivotally supported by a support pin 44 on the side plate 1b of the radiator 1. Links 42 and 41 are pivotally connected to each other by a connecting pin 46. Radiator 1 and oil cooler 2
The two links 41 and 42 are attached so that they are in an L-shaped state as shown in FIG.
A spring 43 is provided between the intermediate portions of 41 and 42.

One end of the guide rail 51 of the second connecting mechanism 20 is fixed to a lower portion of the side plate 1b of the radiator 1 and extends substantially horizontally, and its tip is bent downward. The guide rail 51 has a guide pin 52 fixed to the oil cooler 2.
Are fitted.

[0029] Thus, the fixing means 30 from the state shown in FIG. 2 (A)
Then, when the oil cooler 2 is opened forward, the links 41 and 42 become linear as shown in FIG. 2 (B), and the guide pin 52 is moved forward along the guide rail 51 as shown in FIG. Go to Thereby, a sufficient space required for cleaning and inspection is formed between the front surface of the radiator 1 and the rear surface of the oil cooler 2.

[0030] After cleaning and inspection termination is fixed by the fixing unit 30 is returned to its original position shown along the oil cooler 2 to the guide rail 51 in FIG. 2 (A) to the radiator 1. In this case, the oil cooler 2 is guided by the guide rail 51 and returns to the original position, so that the joining with the packing 31 does not shift.

A third embodiment of the present invention is shown in FIG. In the third embodiment, a first coupling mechanism
Reference numeral 10 comprises two links 61 and 62 and a spring 63 provided substantially at the center of the links 61 and 62. Second coupling mechanism
20 comprises a guide rail 51 and a slide pin 52 as in the second embodiment.

One link 61 of the first connecting mechanism 10 has one end pivotally supported by the side plate 1b of the radiator 1 via a support pin 64, and the other link 62 has one end supported by the side plate 2b of the oil cooler 2. Pivoted through pins 65, these links 61,
The other ends of 62 are pivotally connected to each other by connecting pins 66.
In the state shown in FIG. 4A in which the oil cooler 2 and the radiator 1 are fixed, the two links 61 and 62 are V-shaped, and the spring 63 is shortened.

When the radiator 1 and the oil cooler 2 are cleaned and inspected, the fixing means 30 is moved from the state shown in FIG.
Is released and the oil cooler 2 is pulled forward. Then, the links 61 and 62 become linear, and the slide pin 52 can be opened to a position where the slide pin 52 reaches the front end of the guide rail 51. As a result, a sufficiently large cleaning or inspection space Z is formed between the radiator 1 and the oil cooler 2, as shown in FIG. After the cleaning and inspection, the oil cooler 2 is guided by the guide rail 51 and returns to the original position.

A fourth embodiment of the present invention is shown in FIG. In the fourth embodiment, a first coupling mechanism
Reference numeral 10 denotes the other end of the link 71 pivotally supported at one end to the side plate 1b of the radiator 1 via a support pin 74, and the other end of the link 71 to the side plate 2b of the oil cooler 2 via a support pin 75, similarly to the first embodiment. The other end of the supported link 72 is connected by a connecting pin 76, and a spring is provided between the connecting pin 76 and the upper part of the side plate 1b of the radiator 1.
73 are erected.

The second connecting mechanism 20 is connected to the side plate 2b of the oil cooler 2 by connecting the other end of a link 81, which is swingably supported below the radiator side plate 1b via a support pin 83, to a support pin 84.
Pivoted through the support pin 84 and the radiator side plate 1b
And a spring 82 is provided between them.

When the radiator 1 and the oil cooler 2 are to be cleaned and inspected, the oil cooler 2 is released from the fixed state shown in FIG. 4A and the fixing means 30 is released, as shown in FIGS. 4B and 4C. When opened, the links 71 and 72 extend in a straight line while extending the spring 73, and the link 81 swings while extending the spring 82 with the movement of the oil cooler 2 with the support pin 83 as a fulcrum, and the link 81 in FIG. Link 81 abuts against stopper 85 as described above.

As a result, as shown in FIG.
A cleaning and inspection space X having a sufficient space from the upper part to the lower part between the radiator 1 and the oil cooler 2.
Is formed. The fourth embodiment requires only one link of the second connecting mechanism 20 as compared with the first embodiment shown in FIG. 1, so that the number of parts is small and the structure is simple.

In each of the above embodiments, an air damper may be used instead of a spring, or an air damper and a spring may be used in combination.

The heat exchanger is not limited to a radiator and an oil cooler, but may be any heat exchanger such as a condenser or an intercooler.

Furthermore, the two heat exchangers can be arranged obliquely or horizontally as long as they are adjacent and parallel to each other. In this case, if the side plates are opposed to each other, they are vertically opposed. May be opposed back and forth, and it is sufficient that the first and second connecting mechanisms are connected to both ends of the side plate.

[0041] In the first invention, any fixing one of the heat exchanger, one end portion of the side plates facing each other in each other end portion of the opposite side plate and the other heat exchanger of the heat exchanger the And the other end of the side plate of one heat exchanger and the other end of the side plate of the other heat exchanger are connected via a second connection mechanism . 1
One end of one of the connection mechanism and the second connection mechanism
It is pivotally supported by each of the above heat exchangers, and the other ends are pinned to each other.
Two links and these two links
Constructed by urging means that urges to bend around the part
Since the, heat exchanger of the hand of the two heat exchangers the by moving in a direction away from the other side heat exchanger while extending the first and second coupling mechanisms
Cleaning over its entire surface while, it is possible to form a space required for inspection, the results, cleaning, heat exchangers with inspection is facilitated can be cleaned throughout over the entire surface of that and Become.

[0042] Then, the first connecting mechanism and the second connecting mechanism Neu shift or end one is pivotally supported on each of the heat exchangers, and two link whose other end is pin-connected to each other, these since the two links is constituted by a biasing means for biasing to bent around the pin coupling part, cleaning of the heat exchanger, after the inspection ends facilitates one heat exchanger by a biasing means
Can be restored to the original position, and the efficiency of cleaning and maintenance work is improved.

In the second invention, any one of the heat
The heat exchanger is fixed and the heat exchangers
One end of one end and the other side plate of the other heat exchanger facing each other
Are connected via the first connecting mechanism and one of the heat exchange
The other end of the side plate of the heat exchanger and the side plate of the other heat exchanger.
The other ends are connected via a second connection mechanism, and the first
One of the connection mechanism and the second connection mechanism
One link with both ends pivoted to the heat exchanger
Installed between the heat exchangers so that these heat exchangers are close to each other.
Because of the biasing means for biasing,
While exchanging the exchanger with the first and second coupling mechanisms,
Moving in a direction away from the other heat exchanger
Between the two heat exchangers,
The space required for cleaning and inspection can be formed.
As a result, cleaning and inspection work becomes easier and the heat exchanger
It is possible to clean the entire surface.

[0044] Then, the above and one of the links either pivotally supported at both ends to the respective heat exchangers of the first connection mechanism and a second coupling mechanism, it is installed between the respective heat exchangers Since the heat exchanger is constituted by the urging means for urging the heat exchanger to be close to the heat exchanger, after the cleaning and the inspection of the heat exchanger are completed , the urging means is operated.
The step allows one heat exchanger to be easily restored to its original position,
Not only the efficiency of cleaning and maintenance work is improved, but also the connection mechanism
The number of parts is reduced and the structure is simplified. In addition,
Disconnect one of the first connection mechanism and the second connection mechanism
Guide rail supported by one heat exchanger and the other
To the guide groove of the above guide rail.
If configured with mated pins, guide rails
Positioning of each heat exchanger is ensured, and heat exchanger cleaning
After cleaning and inspection, place one heat exchanger along the guide rail.
Easily and correctly return to the original position.
Wear.

If a fixing means for fixing the two heat exchangers adjacent to each other is provided, the two heat exchangers can be firmly fixed to the adjacent state by the fixing means after cleaning and inspection of the heat exchangers.

By providing a packing for sealing the outer periphery of the opposing surfaces of the two heat exchangers, it is possible to prevent dust and rainwater from entering between the heat exchangers.

[Brief description of the drawings]

FIG. 1 shows a first embodiment of the present invention, wherein (A), (B),
(C) is a side view of a different state.

FIG. 2 shows a second embodiment of the present invention, wherein (A) and (B) are side views in different states.

FIG. 3 shows a third embodiment of the present invention, wherein (A) and (B) are side views in different states.

FIG. 4 shows a fourth embodiment of the present invention, wherein (A), (B),
(C) is a side view of a different state.

5A and 5B show a conventional heat exchange device, and FIGS. 5A and 5B are side views showing different states.

[Explanation of symbols]

 Reference Signs List 1 radiator 1b side plate 2 oil cooler 2b side plate 10 upper connection mechanism 11, 12 link 13 urging means 14, 15 support pin 16 fulcrum 17 connection pin 20 lower connection mechanism 21, 22 link 23 urging means 24, 25 support pin 26 fulcrum 27 Connecting pin 30 Fixing means 31 Packing 32 Stopper

Claims (6)

(57) [Claims] 1. A heat exchanger in which two flat heat exchangers are arranged adjacent to and parallel to each other, and air flowing through one heat exchanger flows through the other heat exchanger. ,
Either fixing one of the heat exchangers, as well as connecting the end portion of the side plates facing each other in each other end portion of the opposite side plate and the other heat exchanger of the heat exchanger via the first connecting mechanism The other end of the side plate of one heat exchanger and the other end of the side plate of the other heat exchanger are connected via a second connection mechanism, and the first connection mechanism and the second connection mechanism are provided. Nozomi
One end is pivotally supported by each of the above heat exchangers, and the other end is
Two pins that are pin-connected, and these two links
Biasing the pin to bend around its pin joint
Constituted by means, between the two heat exchangers the by moving the heat exchanger of the hand in a direction away from the heat exchanger of the other side while extending the first and second coupling mechanisms A heat exchange device characterized in that a predetermined interval can be formed over the entire surface. 2. The two flat heat exchangers are adjacent to each other.
Are arranged in parallel with each other and flow through one heat exchanger
In a heat exchange device in which air flows through the other heat exchanger,
Fix one of the heat exchangers and
One end of the side plate facing the other and the other heat exchanger facing each other
When one end of the side plate is connected via the first connection mechanism
In both cases, the other end of the side plate of one heat exchanger and the other heat exchanger
The other ends of the side plates of the exchanger are connected to each other via a second connecting mechanism.
Connecting the first and second connecting mechanisms.
One of the two heat exchangers, one of which is pivotally supported at both ends,
Between the heat exchangers and the heat exchangers
Is constituted by urging means for urging the
Extend one of the heat exchangers by extending the first and second coupling mechanisms.
While moving away from the other heat exchanger
So that the entire surface between the two heat exchangers
A predetermined interval can be formed over
And heat exchanger. 3. The first connection mechanism and the second connection mechanism.
One end is pivotally supported by each of the above heat exchangers, and the other end is
Links that are pin-connected to
Forcing the connector to bend around its pin joint
2. The heat exchange device according to claim 1, wherein the heat exchange device is constituted by stages . 4. The first connecting mechanism and the second connecting mechanism.
Guide rail supported by one of the heat exchangers
And the guide rail attached to the other heat exchanger.
3. The heat exchange device according to claim 1, wherein the heat exchange device is constituted by a pin fitted into a guide groove of the tool . 5. The heat exchanger according to claim 1, further comprising fixing means for fixing the two heat exchangers adjacent to each other. 6. The heat exchange device according to claim 1, further comprising a packing for sealing an outer periphery of a facing surface of the two heat exchangers.