CN209877694U

CN209877694U - Heat dissipation device for engineering machinery

Info

Publication number: CN209877694U
Application number: CN201920702330.3U
Authority: CN
Inventors: 郭涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2019-12-31
Anticipated expiration: 2029-05-16

Abstract

The utility model relates to a heat abstractor for engineering machine tool, including first room assembly, core assembly and second room assembly, first room assembly, second room assembly set up respectively in the upper and lower both sides of core assembly, and first room assembly passes through core assembly and second room assembly intercommunication, be equipped with the medium entry on the first room assembly, be equipped with the medium export on the second room assembly, the core assembly includes a plurality of parallel finned tubes that set up, the upper and lower end of finned tube respectively through the main leaf with first room assembly, second room assembly are connected, the finned tube includes porous pipe and evenly sets up a plurality of fins on porous pipe both sides face, be equipped with a plurality of medium flow path on the porous pipe. The utility model discloses simple structure is compact, and the equipment is convenient, and processing and maintenance cost are low, and production efficiency is high, has not only improved the mechanical strength of product, has improved the heat dispersion of product moreover, is fit for the batch production of mill, uses more extensively.

Description

Heat dissipation device for engineering machinery

Technical Field

The utility model relates to a heat abstractor for engineering machine tool belongs to cooling system technical field.

Background

The radiator is a core component of the cooling system of the engineering machinery and is formed by combining an inner channel and an outer channel. The cooling medium flowing through the inner channel and the cold air flowing through the outer channel cool the medium of the inner channel through the cold air, the resistance and the streaming effect of the outside of the cooling system depend on the outer fins, and the fin type of the outer channel is changed, so that the heat dissipation performance is improved.

At present, oil radiators used on various domestic engineering machines such as forklifts, excavators and loaders are mainly aluminum plate-fin radiators, and the aluminum plate-fin oil radiators have the following defects: the structure is complex, the weight is heavy, the requirement on the production process is high, and the manufacturing cost is high; the inner channel of the plate-fin oil radiator is manufactured by stacking a partition plate, a seal and an inner fin, and has high requirement on the height deviation of each part; the welding surface is more, and the leakage points are more possibly; the efficiency of the assembly and vacuum brazing links is low, and the manufacturing period is long. The pipe-belt type radiator has low cost, but low mechanical strength, is easy to crack under the condition of bearing larger pressure, and is not popularized and used in the field of oil dispersion.

SUMMERY OF THE UTILITY MODEL

The utility model discloses not enough to prior art exists, provide a low in manufacturing cost, production efficiency is high, is convenient for maintain, and bearing pressure is high, can be in low pressure and high-pressure field all applicable heat abstractor.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a heat abstractor for engineering machine tool, includes first room assembly, core assembly and second room assembly, first room assembly, second room assembly set up respectively the upper and lower both sides of core assembly, first room assembly passes through the core assembly with second room assembly intercommunication, be equipped with the medium entry on the first room assembly, be equipped with the medium export on the second room assembly, the core assembly includes a plurality of finned tubes that set up in parallel, the upper and lower end of finned tube respectively through the main leaf with first room assembly, second room assembly are connected, the finned tube includes porous pipe and evenly sets up a plurality of fins on porous pipe both sides face, be equipped with a plurality of medium flow channel on the porous pipe.

The utility model has the advantages that: the cooling medium flows in the inner channel, specifically enters from the first chamber assembly, enters the second chamber assembly through the medium flow channel in the porous tube and is output, the cold air flows in the outer channel, the fins of the finned tube are positioned in the outer channel, and the cold air flows between the fins to cool the cooling medium in the finned tube. The finned tube among a plurality of parallel arrangement passes through the main leaf and supports between the medium room, has realized being connected of core assembly and medium room promptly, the flow of the cooling medium of also being convenient for simultaneously in the assembly, the utility model discloses simple structure assembles convenient and fast, reduces the processing cost, and processing and maintenance cost are low, and production efficiency is high, has not only improved the mechanical strength of product, has improved the heat dispersion of product moreover, is fit for the batch production of mill, and this product can the wide application in engineering machinery such as various fork truck, excavator and loader and the well in fields such as special vehicles, water and oil cooling system.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the cross section of the first chamber assembly and the cross section of the second chamber assembly are square or circular, and the main sheet is U-shaped, circular or semicircular and is matched with the first chamber assembly and the second chamber assembly in shape.

The square chamber assembly is convenient to process, has good mechanical strength and heat dissipation performance, and can be widely applied to water and oil cooling systems in the fields of engineering machinery such as various forklifts, excavators and loaders, special vehicles and the like; the circular chamber assembly not only improves the mechanical strength and the bearing capacity of the oil chamber, but also can be widely applied to high-pressure oil cooling systems in the fields of engineering machinery such as various forklifts, excavators and loaders, special vehicles and the like.

Furthermore, a plurality of positioning holes for inserting the finned tubes are formed in the main sheet, and the main sheet is welded with the first chamber assembly and the second chamber assembly respectively.

The main sheet is provided with the positioning holes correspondingly inserted with the plurality of finned tubes, and the tube ends of the finned tubes are inserted on the main sheet to realize the positioning and connection of the finned tubes; and the outer side of the main sheet is connected with the chamber assembly in a welding mode, so that the cooling medium flows between the chamber assembly and the core assembly, and the core assembly is connected with the chamber assembly.

Further, the fins are corrugated.

The further scheme has the advantages that the distance between the adjacent fins can be designed according to the heat dissipation requirement, and the corrugated fins increase the heat dissipation area of the heat dissipation device.

Further, a plurality of protrusions are provided on an inner wall of the medium flow passage.

The medium flow channel has the beneficial effects that the plurality of small bulges are arranged on the inner wall of the medium flow channel, so that the mechanical strength of the product is improved, the internal heat dissipation area is increased, and the heat dissipation performance of the product is improved.

Further, the perforated pipe and the fins are of an integral structure.

The finned tube has the beneficial effects that the finned tube is integrally processed, the finned tube is convenient to process and high in production efficiency, is suitable for batch production, can reduce the leakage rate, ensures the stability of the heat dissipation inner channel, and improves the mechanical strength of the heat dissipation channel.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention;

fig. 2 is a schematic right-view structural diagram of embodiment 1 of the present invention;

fig. 3 is a schematic perspective view of embodiment 1 of the present invention;

FIG. 4 is a schematic front view of the finned tube of the present invention;

FIG. 5 is a schematic top view of the finned tube of the present invention;

FIG. 6 is a schematic perspective view of the finned tube of the present invention;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a schematic front view of embodiment 2 of the present invention;

fig. 9 is a left side view structural schematic diagram of embodiment 2 of the present invention;

fig. 10 is a schematic perspective view of embodiment 2 of the present invention;

in the figure, 1, a first chamber assembly; 2. a second chamber assembly; 3. a media inlet; 4. a media outlet; 5. a finned tube; 51. a perforated pipe; 52. a fin; 53. a medium flow passage; 54. a protrusion; 6. and (7) a main sheet.

Detailed Description

The principles and features of the present invention are described below in conjunction with examples, which are set forth only to illustrate the present invention and are not intended to limit the scope of the present invention.

Embodiment 1, as shown in fig. 1 to 7, a heat dissipation device for construction machinery includes a first chamber assembly 1, a core assembly, and a second chamber assembly 2, where the first chamber assembly 1 and the second chamber assembly 2 are respectively disposed on upper and lower sides of the core assembly, the first chamber assembly communicates with the second chamber assembly through the core assembly, the first chamber assembly is provided with a medium inlet 3, the second chamber assembly is provided with a medium outlet 4, the core assembly includes a plurality of finned tubes 5 disposed in parallel, upper and lower ends of the finned tubes are respectively connected with the first chamber assembly and the second chamber assembly through main fins 6, the finned tubes include a porous tube 51 and a plurality of fins 52 uniformly disposed on two side surfaces of the porous tube, and the porous tube is provided with a plurality of medium flow channels 53.

The cross sections of the first chamber assembly and the second chamber assembly are square, and the main sheet is U-shaped and matched with the first chamber assembly and the second chamber assembly in shape. The square chamber assembly is convenient to process, has good mechanical strength and heat dissipation performance, and can be widely applied to medium, water and oil cooling systems in the fields of engineering machinery such as various forklifts, excavators and loaders, special vehicles and the like.

The main sheet is provided with a plurality of positioning holes for inserting the finned tubes, and the main sheet is welded with the first chamber assembly and the second chamber assembly respectively. The main sheet is provided with positioning holes correspondingly inserted with a plurality of finned tubes, and the ends of the finned tubes are inserted on the main sheet to realize the positioning and connection of the finned tubes; and the outer side of the main sheet is connected with the chamber assembly in a welding mode, so that the cooling medium flows between the chamber assembly and the core assembly, and the core assembly is connected with the chamber assembly.

The fins are corrugated. The distance between adjacent fins can be designed according to the heat dissipation requirement, and the corrugated fins increase the heat dissipation area of the heat dissipation device.

A plurality of protrusions 54 are provided on the inner wall of the medium flow passage. The small protrusions are arranged on the inner wall of the medium flow channel, so that the mechanical strength of the product is improved, the internal heat dissipation area is increased, and the heat dissipation performance of the product is improved.

The perforated tube and the fin are of an integral structure. The finned tubes are integrally processed, the processing is convenient, the production efficiency is high, the finned tubes are suitable for batch production, the leakage rate can be reduced, the stability of the heat dissipation inner channel is ensured, and the mechanical strength of the heat dissipation channel is improved.

Example 2, as shown in fig. 8 to 10, the cross-section of the first chamber assembly and the second chamber assembly is circular, and the main plate is circular or semicircular and is matched with the first chamber assembly and the second chamber assembly in shape. The circular chamber assembly not only improves the mechanical strength and the bearing capacity of the oil chamber, but also can be widely applied to high-pressure oil cooling systems in the fields of engineering machinery such as various forklifts, excavators and loaders, special vehicles and the like.

The cooling medium flows in the inner channel, specifically enters from the first chamber assembly, enters the second chamber assembly through the medium flow channel in the porous tube and is output, the cold air flows in the outer channel, the fins of the finned tube are positioned in the outer channel, and the cold air flows between the fins to cool the cooling medium in the finned tube. The product not only improves the mechanical strength of the product, but also improves the heat dissipation performance of the product, and the product can be widely applied to medium, water and oil cooling systems in the fields of engineering machinery such as various forklifts, excavators and loaders, special vehicles and the like.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a heat abstractor for engineering machine tool, includes first room assembly, core assembly and second room assembly, first room assembly, second room assembly set up respectively the upper and lower both sides of core assembly, first room assembly pass through the core assembly with second room assembly intercommunication, be equipped with the medium entry on the first room assembly, be equipped with the medium export on the second room assembly, its characterized in that, the core assembly includes a plurality of finned tubes that set up in parallel, the upper and lower end of finned tube respectively through the main leaf with first room assembly, second room assembly are connected, the finned tube includes porous pipe and evenly sets up a plurality of fins on porous pipe both sides face, be equipped with a plurality of medium flow channel on the porous pipe.

2. The heat sink for construction machinery according to claim 1, wherein the first and second chamber assemblies have a square or circular cross-section, and the main plate has a U-shape or a circular or semicircular shape corresponding to the shape of the first and second chamber assemblies.

3. The heat sink for construction machinery according to claim 1 or 2, wherein the main fin is provided with a plurality of positioning holes for inserting the finned tube, and the main fin is welded to the first chamber assembly and the second chamber assembly, respectively.

4. The heat sink for construction machinery according to claim 1, wherein the fin is corrugated.

5. The heat sink for construction machinery according to claim 1, wherein a plurality of protrusions are provided on an inner wall of the medium flow passage.

6. The heat dissipating device for construction machinery according to claim 1, wherein the perforated tube is of a unitary structure with the fin.