CN214090087U - Large-scale excavator power compartment heat dissipation heat sink and large-scale excavator - Google Patents
Large-scale excavator power compartment heat dissipation heat sink and large-scale excavator Download PDFInfo
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- CN214090087U CN214090087U CN202023122246.6U CN202023122246U CN214090087U CN 214090087 U CN214090087 U CN 214090087U CN 202023122246 U CN202023122246 U CN 202023122246U CN 214090087 U CN214090087 U CN 214090087U
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Abstract
The utility model discloses a large-scale excavator power cabin heat dissipation and cooling device and a large-scale excavator, wherein the heat dissipation and cooling device comprises a radiator, an air guide cover I, a heat insulation plate, heat insulation cotton and an air guide cover II; a fan shield is arranged outside the fan protecting net of the radiator and used for blowing cold air to the surface of the front engine; the heat insulation board is arranged on the upper surface of the engine, and the heat insulation cotton is arranged on the heat insulation board; the air guide cover I is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover I is opposite to the fan air outlet of the radiator; the air guide cover II is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover II is opposite to the air outlet shutter. The heat insulation board and the heat insulation cotton not only form an air duct, but also can effectively prevent heat generated by the work of the engine from diffusing in the power cabin, so that more heat can be taken out of the power cabin as far as possible. Meanwhile, the temperature of the power cabin is reduced, so that electric parts, hydraulic parts and the like in the cabin work within a proper temperature range, and the service life of the parts in the cabin is greatly prolonged.
Description
Technical Field
The utility model belongs to the excavator field, concretely relates to large-scale excavator power compartment heat dissipation heat sink.
Background
Large excavators in engineering machinery have low advancing speed and high power due to the influence of factors such as working property, working condition and the like, a large amount of heat can be generated during working, and elements in a power cabin are dense, so that the heat dissipation effect is poor; the heat dissipation in the power compartment is particularly important in order to enable the engine to operate at normal temperatures.
The invention provides a power cabin temperature control method in the patent of CN110588328A, the invention is characterized in that two fans are highlighted, are respectively positioned at the top and the bottom of the power cabin, are respectively driven by an engine and an independent power source and are used for radiating the power cabin, and the method has the advantages that the heat can be radiated in different directions, and the heat can be continuously radiated to the power cabin after the power cabin is stopped; but the defects are obvious, no effective air duct is formed, fans are arranged in different directions, vortex is easy to occur, and hot air is difficult to discharge out of the power cabin.
Propose a power compartment cooling system and vehicle mounted pump in the CN204488477U patent, this utility model discloses with hydraulic oil heat dissipation and engine heat dissipation integrated as an organic whole, compact structure has increased the induced draft fan simultaneously, can effectively improve the amount of wind, reduces the calm zone, and the amount of wind distributes evenly, has also increased the return air baffle, can reduce hot-blast backward flow. However, after the heat dissipation system is integrated, the heat dissipation load is increased, the heat dissipation is more difficult, cold air blown by the fan is in a divergent shape, the cold air cannot be concentrated to dissipate heat of the engine, and the heat dissipation effect is reduced.
The prior art has the following disadvantages:
1. an effective air channel is not formed in the power cabin for heat dissipation, air blown out by the fan easily forms vortex in the power cabin, the temperature is increased, hot air is difficult to discharge in the power cabin, the working efficiency of an engine is reduced, hydraulic parts, electric parts, rubber parts and the like are easy to age, and the service life is shortened;
2. the cold air blown out by the radiator fan is divergently blown out, the heat of the engine is difficult to be dissipated intensively, most of the cold air flows out of the power cabin channel, and the heat dissipation effect is greatly reduced.
Disclosure of Invention
The utility model provides a large-scale excavator power compartment heat dissipation heat sink for solve the not enough of prior art existence.
The utility model discloses realize according to following technical scheme:
a heat dissipation and cooling device for a power cabin of a large excavator comprises a radiator, an air guide cover I, a heat insulation plate, heat insulation cotton and an air guide cover II; a fan shield is arranged on the outer side of the fan protecting net of the radiator and used for blowing cold air to the surface of the front engine; the heat insulation board is arranged on the upper surface of the engine, and the heat insulation cotton is arranged on the heat insulation board;
the air guide cover I is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover I is opposite to the fan air outlet of the radiator; the air guide cover II is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover II is opposite to the exhaust port shutter.
Further, the fan guard shield is of a flat plate structure and is arranged on the outer side of the top of the fan guard net, and the shape of the fan guard shield is matched with that of the top of the fan guard net.
Furthermore, the fan protecting net is of an arched structure and is composed of a grid structure consisting of an installation bottom plate, a plurality of supporting bars and a plurality of strip bars.
Furthermore, the opening of the air guide cover I is in a chamfered large-caliber horn shape.
Furthermore, the opening of the wind guide cover II is an oblique cut.
Furthermore, the heat insulating board is bent, so that an air outlet channel can be formed between the heat insulating board and the upper surface of the engine.
Further, the shape of the heat insulation cotton is the same as that of the heat insulation plate, so that the heat insulation cotton can be completely paved on the heat insulation plate.
Furthermore, the heat insulation cotton is made of high-temperature resistant fiber cloth.
Further, the air guide cover I, the air guide cover II and the heat insulation cotton are fixed on the heat insulation plate through bolts; the heat insulation plate is fixed on the upper surface of the engine through bolts.
A large excavator is provided with the heat dissipation and cooling device for the power cabin of the large excavator.
The utility model discloses beneficial effect:
the fan shield of the radiator can ensure that cold air blown out by the fan is blown out to the surface of the front engine, so that the cold air is prevented from being blown out in a divergent manner, the heat dissipation and cooling effects are effectively improved, and enough cold air in the air duct can be ensured to flow through to take away more heat; the heat shield, the heat insulation cotton and the air guide cover form an air duct, hot air generated by the working of the engine can be discharged out of the power cabin to a great extent, the temperature in the power cabin of the large excavator can be effectively reduced, the engine can work at normal temperature, meanwhile, the temperature of the power cabin is reduced, so that electric parts, hydraulic parts and the like in the cabin work within a proper temperature range, the service life of the parts in the cabin is greatly prolonged, and the reliability of products is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In the drawings:
FIG. 1 is a structural view of a fan guard net and a fan guard of the heat sink of the present invention;
fig. 2 is the schematic view of the air duct structure and principle of the present invention.
The labels in the figure are: the method comprises the following steps of 1-wind scooper I, 2-heat insulation cotton, 3-heat insulation board, 4-wind scooper II, 5-engine, 6-radiator, 7-fan protecting net and 8-fan protecting cover.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments, and the following embodiments are used for illustrating the present invention, but do not limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 and 2, the heat dissipation and cooling device for the power cabin of the large excavator comprises a radiator 6, an air guide cover I1, a heat insulation plate 3, heat insulation cotton 2 and an air guide cover II 4; a fan shroud 8 for blowing out cold air toward the front engine 5 is provided outside the fan guard 7 of the radiator 6; the heat insulation board 3 is arranged on the upper surface of the engine 5, and the heat insulation cotton 2 is arranged on the heat insulation board 3; the air guide cover I1 is arranged on a heat insulation plate 3 on an engine 5, and the opening direction of the air guide cover I1 is over against a fan air outlet of the radiator 6; the air guide cover II 4 is arranged on the heat insulation plate 3 on the engine 5, and the opening direction of the air guide cover II 4 is opposite to the air outlet shutter.
It should be noted that, a fan protecting net is installed outside the fan of the conventional radiator, the wind blown by the fan is divergently blown out, and the amount of cold air actually flowing through the surface of the engine is only a small part. The utility model discloses a fan guard shield installs in the fan protecting wire net outside, has effectively changed the cold wind flow direction that the fan blew out for the cold wind blows off to the dead ahead, flows through the engine surface, can effectually be engine surface cooling.
With continued reference to fig. 1, the fan guard 7 is an arch-shaped structure, which is composed of a grid structure consisting of a mounting base plate, a plurality of support bars and a plurality of elongated bars. The fan guard 8 arc-shaped plate is welded on the outer side of the top of the fan guard net 7, so that the problem that cold air in the existing structure is blown out in a diverging mode is solved, and the cold air blown out by the fan flows to the front engine surface.
With continued reference to fig. 2, further, in order to form an effective heat dissipation air duct, the heat insulation board 3 is bent, and in some embodiments, the heat insulation board 3 is bent at least once according to the surface of the engine 5, so as to ensure that an air outlet channel can be formed between the heat insulation board 3 and the upper surface of the engine 5. The heat insulation cotton 2 is arranged on the heat insulation plate 3; similarly, in order to provide thermal insulation, the heat generated by the operation of the engine 5 is not directly diffused into the power compartment, in some embodiments, the thermal insulation cotton 2 is completely designed according to the shape of the thermal insulation board 3 and completely covers the thermal insulation board 3, so that the thermal insulation effect can be ensured. Further, in some embodiments, in order to achieve a good heat insulation effect, the material of the heat insulation cotton 2 is selected from high temperature resistant fiber cloth.
With continued reference to FIG. 2, the air guide shroud I1 is bolted to the heat shield 3 on the engine 5. The opening direction of the air guide cover I1 is opposite to the air outlet of the radiator fan, and in order to enable cold air blown out by the radiator fan to enter an air channel through the air guide cover I1 as far as possible, the opening of the air guide cover I1 is designed to be in a chamfered large-caliber horn shape. Further, in some embodiments, the air inlet design of the air guiding cover i 1 may be different according to different positions and shapes of the air outlet of the radiator fan, and the installation opening direction is adjusted according to the air outlet of the radiator fan. The air guide cover II 4 is also fixed on the heat insulation plate 3 on the engine 5 through a bolt, the air outlet of the air guide cover II 4 is designed to be an oblique notch, and meanwhile, the air outlet of the air guide cover II 4 is opposite to the air outlet shutter. Further, in some embodiments, in order to achieve a good air outlet guiding effect, the air guide cover ii 4 may be configured with an air outlet shape and a fixing position of the air guide cover ii 4 according to a position of the exhaust louver.
Therefore, the fan shroud 8, which is designed outside the fan guard 7 of the radiator 6 shown in fig. 1, can effectively change the flow direction of the cool air blown by the fan and blow the cool air blown by the fan directly forward. As shown in fig. 2, in the present embodiment, an air duct is formed by the air guiding cover i 1, the heat insulating plate 3, the heat insulating cotton 2 and the air guiding cover ii 4, and cold air blown by the radiator fan is introduced into the air duct by the air guiding cover i 1 to cool the engine 5, and then the hot air flows out of the air duct through the air outlet of the air guiding cover ii 4 and is exhausted out of the power compartment through the exhaust louver, so as to cool the engine 5 and the power compartment.
In summary, the fan guard of the radiator can blow cold air blown by the fan out to the surface of the front engine, so as to avoid the cold air from being blown out in a divergent manner, effectively improve the heat dissipation and cooling effects, and ensure that enough cold air flows through the air duct to take away more heat; the heat shield, the heat insulation cotton and the air guide cover form an air duct, hot air generated by the working of the engine can be discharged out of the power cabin to a great extent, the temperature in the power cabin of the large excavator can be effectively reduced, the engine can work at normal temperature, meanwhile, the temperature of the power cabin is reduced, so that electric parts, hydraulic parts and the like in the cabin work within a proper temperature range, the service life of the parts in the cabin is greatly prolonged, and the reliability of products is improved.
The utility model discloses a large-scale excavator installs foretell large-scale excavator power compartment heat dissipation heat sink.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Furthermore, those skilled in the art will appreciate that although some embodiments described herein include some features included in other embodiments instead of others, combinations of features of different embodiments are also meant to be within the scope of the invention and form different embodiments. For example, in the above embodiments, those skilled in the art can use the combination according to the known technical solutions and technical problems to be solved by the present application.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments by utilizing the above technical contents without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical matters of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a large-scale excavator nacelle heat dissipation heat sink which characterized in that:
the heat-insulation air-guide cover comprises a radiator, an air-guide cover I, a heat-insulation plate, heat-insulation cotton and an air-guide cover II;
a fan shield is arranged on the outer side of the fan protecting net of the radiator and used for blowing cold air to the surface of the front engine;
the heat insulation board is arranged on the upper surface of the engine, and the heat insulation cotton is arranged on the heat insulation board;
the air guide cover I is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover I is opposite to the fan air outlet of the radiator;
the air guide cover II is arranged on a heat insulation plate on the engine, and the opening direction of the air guide cover II is opposite to the exhaust port shutter.
2. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the fan guard shield is of a flat plate structure and is arranged on the outer side of the top of the fan guard net, and the shape of the fan guard shield is matched with that of the top of the fan guard net.
3. The large-scale excavator power compartment heat dissipation and cooling device of claim 2, characterized in that:
the fan protecting net is of an arch structure and is formed by a grid structure consisting of an installation bottom plate, a plurality of supporting bars and a plurality of strip bars.
4. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the opening of the wind scooper I is in a chamfered large-caliber horn shape.
5. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
and the opening of the wind guide cover II is an oblique cut.
6. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the heat insulating board is bent, and an air outlet channel can be formed between the heat insulating board and the upper surface of the engine.
7. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the shape of the heat insulation cotton is the same as that of the heat insulation board, so that the heat insulation cotton can be completely paved on the heat insulation board.
8. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the heat insulation cotton is made of high-temperature resistant fiber cloth.
9. The large-scale excavator power compartment heat dissipation and cooling device of claim 1, characterized in that:
the air guide cover I, the air guide cover II and the heat insulation cotton are fixed on the heat insulation plate through bolts;
the heat insulation plate is fixed on the upper surface of the engine through bolts.
10. A large excavator is characterized in that:
the large-scale excavator power cabin heat dissipation and cooling device of any one of claims 1 to 9 is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122246.6U CN214090087U (en) | 2020-12-23 | 2020-12-23 | Large-scale excavator power compartment heat dissipation heat sink and large-scale excavator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023122246.6U CN214090087U (en) | 2020-12-23 | 2020-12-23 | Large-scale excavator power compartment heat dissipation heat sink and large-scale excavator |
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| CN214090087U true CN214090087U (en) | 2021-08-31 |
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| CN202023122246.6U Active CN214090087U (en) | 2020-12-23 | 2020-12-23 | Large-scale excavator power compartment heat dissipation heat sink and large-scale excavator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117286025A (en) * | 2023-09-13 | 2023-12-26 | 艾普拜生物科技(苏州)有限公司 | Temperature control unit for PCR instrument |
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2020
- 2020-12-23 CN CN202023122246.6U patent/CN214090087U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117286025A (en) * | 2023-09-13 | 2023-12-26 | 艾普拜生物科技(苏州)有限公司 | Temperature control unit for PCR instrument |
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