Novel double-superposition oil cooler

Abstract

The utility model belongs to the technical field of hydraulic equipment, and particularly relates to a novel double-superposition oil cooler. A novel double-superposition oil cooler comprises an air cooling box body, an air cooling assembly and a circulation assembly, the air cooling assembly is installed on the air cooling box body, the circulation assembly is installed on the air cooling assembly, the air cooling assembly comprises a first assembly and a second assembly, and the first assembly is communicated with the second assembly through the circulation assembly; the first assembly and the second assembly are used for jointly cooling hydraulic oil from the circulation assembly, and the circulation assembly is used for pumping the hydraulic oil from external oil supply equipment and controlling the hydraulic oil to flow to the air cooling assembly for cooling; the utility model provides a novel double-superposition oil cooler, and aims to solve the problems that in the prior art, new cooling equipment cannot be directly and additionally arranged on the plane of an electrolysis multifunctional traveling crane to meet the heat dissipation requirement, and existing air cooling equipment cannot meet the normal heat dissipation requirement of a hydraulic system of the electrolysis multifunctional traveling crane.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of hydraulic equipment, and particularly relates to a new double superposition oil cooler. BACKGROUND

[0002] Under the background of the vigorous development of the aluminum electrolysis industry, the continuous expansion of the production scale has higher requirements for production efficiency, and traditional manual operation and single-function equipment cannot meet the rhythm of large-scale production, so the electrolytic multifunctional trolley emerges as the times require, which integrates anode replacement, aluminum liquid lifting, alumina feeding and other functions, greatly reduces equipment switching and manual operation time, and greatly improves production efficiency, and meanwhile, the high-temperature, strong magnetic field and high-dust harsh environment of the aluminum electrolysis workshop poses a severe challenge to the reliability and safety of the equipment.

[0003] In particular, the high-temperature environment of the aluminum electrolysis workshop, the existing aluminum electrolysis workshop is in an environment temperature of 50-70 degrees all the year round, and the conventional air-cooled equipment cannot meet the normal heat dissipation of the electrolytic multifunctional trolley hydraulic system, and the position of the electrolytic multifunctional trolley is very limited, so it is impossible to directly install a new cooling device on the plane of the electrolytic multifunctional trolley, and at present, there is an urgent need for an air-cooled equipment which does not increase the area occupied by the equipment and can meet the normal heat dissipation of the electrolytic multifunctional trolley hydraulic system. UTILITY MODEL CONTENTS

[0004] In order to overcome the shortcomings of the prior art, the utility model provides a new double superposition oil cooler to solve the problems that the existing technology cannot directly install a new cooling device on the plane of the electrolytic multifunctional trolley to meet the heat dissipation requirement, and the existing air-cooled equipment cannot meet the normal heat dissipation of the electrolytic multifunctional trolley hydraulic system.

[0005] One scheme of the utility model provides a new double superposition oil cooler, which comprises an air-cooled box body, an air-cooled assembly and a circulating assembly, the air-cooled assembly is installed on the air-cooled box body, the circulating assembly is installed on the air-cooled assembly, the air-cooled assembly comprises a first assembly and a second assembly, and the first assembly is communicated with the second assembly through the circulating assembly;

[0006] The first assembly and the second assembly are used for cooling the hydraulic oil from the circulating assembly together, the circulating assembly is used for pumping the hydraulic oil from an external oil supply equipment and controlling the flow direction of the hydraulic oil to the air-cooled assembly for cooling;

[0007] It should be noted that the external oil supply equipment is specifically the hydraulic system of the electrolytic multifunctional trolley, and the oil with a higher temperature in the hydraulic system is pumped from the circulating assembly and flows through the first assembly and the second assembly, in the process, the first assembly and the second assembly act together to cool and lower the temperature of the high-temperature oil flowing through the first assembly and the second assembly, so that good cooling effect is realized.

[0008] It needs to be additionally explained that the second assembly can be directly installed on the first assembly to avoid increasing the equipment plane occupation area.

[0009] It needs to be additionally explained that the circulating assembly further comprises an external pipeline for conveying the oil flowing through the first assembly and the second assembly back to the hydraulic system, and the external pipeline is specifically connected to the first assembly or the second assembly through which the oil finally flows.

[0010] In the scheme, by communicating the first assembly and the second assembly and directly arranging the first assembly and the second assembly on the air-cooled box body, cooperating with the hydraulic oil pumped from the external oil supply equipment by the circulating assembly, on the one hand, the hydraulic oil flowing into the air-cooled assembly can flow through the first assembly and the second assembly to achieve good cooling effect, and on the other hand, the normal heat dissipation demand of the electrolytic multifunctional trolley hydraulic system can be met without increasing the equipment plane occupation area, and the equipment cost of purchasing new equipment is saved.

[0011] Compared with the existing air-cooled equipment, the utility model has the following obvious advantages:

[0012] 1. The utility model has good universality and adaptability, does not need to replace the electrolytic multifunctional trolley or the air-cooled equipment, can directly reform the existing electrolytic multifunctional trolley or air-cooled equipment, and also saves the equipment cost of purchasing new equipment.

[0013] 2. The air-cooled device structure is compact, the first assembly and the second assembly are directly communicated and installed on the air-cooled box body, the equipment plane occupation area is saved, and the way that the circulating assembly connects the external oil supply equipment is also relatively simple, so that the technical personnel can quickly complete the installation and debugging of the device without complex operation process and professional tools in the working site of the electrolytic multifunctional trolley, the time period of equipment reform is greatly shortened, and the production loss caused by equipment reform is reduced.

[0014] 3. The utility model can cool the hydraulic oil multiple times through the synergistic effect of the first assembly and the second assembly, compared with the traditional air-cooled equipment, the temperature drop of the hydraulic oil is larger, the hydraulic system of the electrolytic multifunctional trolley is ensured to be always in the appropriate working temperature range, thereby effectively prolonging the service life of each part in the hydraulic system, reducing the equipment failure rate caused by the excessively high oil temperature, and reducing the equipment maintenance cost.

[0015] 4. The utility model has low maintenance difficulty, because the structure is relatively simple, each assembly is easy to disassemble and install, when the equipment appears a fault or needs to be periodically maintained, the maintenance personnel can quickly locate the problem and replace or repair, the equipment downtime is reduced, and the continuous and stable operation of the electrolytic multifunctional trolley is ensured.

[0016] In one of the schemes, the first component and the second component each include a heat sink, a motor and a turbine fan blade, the turbine fan blade is installed on the output end of the motor close to the heat sink, the top and bottom of the heat sink are provided with a pipeline connection port, and the two pipeline connection ports are communicated with a forced air cooling pipeline.

[0017] In one of the schemes, the two heat sinks are communicated through the circulating assembly.

[0018] In one of the schemes, the circulating assembly includes a circulating pump and a circulating oil pipeline, the circulating pump is installed on the rear end bearing, and the circulating oil pipeline includes a pump oil pipeline and an oil delivery pipeline, and the oil delivery pipeline communicates the two heat sinks through the connecting flange.

[0019] In one of the schemes, the forced air cooling pipeline is a serpentine pipe, the two pipeline connection ports are located at the two ends of the serpentine pipe, the two ends of the serpentine pipe are provided with a connecting flange, and the connecting flange is used to connect the circulating assembly.

[0020] It should be noted that the serpentine pipe can increase the contact area of the high-temperature hydraulic oil flowing through the forced air cooling pipeline with the cooling air inside the heat sink when the high-temperature hydraulic oil flows through the forced air cooling pipeline, so as to fully exchange heat with the cooling air flow generated by the motor-driven turbine fan blade, thereby significantly improving the cooling efficiency of the hydraulic oil.

[0021] It should be additionally noted that the pipeline connection port is used to connect the circulating assembly to communicate the first component and the second component, thereby realizing the effect that the hydraulic oil flows from the first component to the second component or from the second component to the first component, so as to ensure that the hydraulic oil can flow through the first component and the second component.

[0022] It should be additionally noted that the circulating assembly can cooperate with the pipeline connection port to communicate the first component and the second component, thereby realizing the flow of the hydraulic oil between the first component and the second component. Specifically, the oil delivery pipeline can be connected to one of the pipeline connection ports of the first component and one of the pipeline connection ports of the second component, and the aforementioned external pipeline is connected to any remaining pipeline connection port, and finally the aforementioned pump oil pipeline is connected to the last pipeline connection port, thereby realizing the flow of the hydraulic oil between the first component and the second component.

[0023] In this scheme, by designing the forced air cooling pipeline as a serpentine pipe, the contact time and area of the high-temperature hydraulic oil with the pipeline wall and the cooling air can be increased, the cooling efficiency can be greatly improved, and the temperature of the hydraulic oil can be effectively reduced. The pipeline connection port can cooperate with the circulating assembly to communicate the first component and the second component, thereby realizing the flow of the hydraulic oil between the first component and the second component.

[0024] In one of the schemes, the motor comprises a motor body, a front end bearing and a rear end bearing, and the turbine fan blade is mounted on the front end bearing;

[0025] It should be noted that in actual use, the output shaft of the motor penetrates the front end bearing and the rear end bearing, and can drive the turbine fan blade and the circulating pump mounted on the rear end bearing at the same time when the motor is working.

[0026] In one of the schemes, the circulating pump is mounted on the rear end bearing of the first assembly, and the circulating pump is in communication with the heat sink of the first assembly through the pump oil pipeline.

[0027] In this scheme, such arrangement can control the circulating pump to make the high-temperature hydraulic oil from the external oil supply device flow from the motor of the first assembly, sequentially flow through the first assembly and the second assembly, and complete the cooling of the high-temperature hydraulic oil at the second assembly, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump and the external pipeline.

[0028] In one of the schemes, the circulating pump is mounted on the rear end bearing of the first assembly, and the circulating pump is in communication with the heat sink of the second assembly through the pump oil pipeline.

[0029] In this scheme, such arrangement can control the circulating pump to make the high-temperature hydraulic oil from the external oil supply device flow from the motor of the first assembly, sequentially flow through the second assembly and the first assembly, and complete the cooling of the high-temperature hydraulic oil at the first assembly, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump and the external pipeline.

[0030] In one of the schemes, the circulating pump is mounted on the rear end bearing of the second assembly, and the circulating pump is in communication with the heat sink of the first assembly through the pump oil pipeline.

[0031] In this scheme, such arrangement can control the circulating pump to make the high-temperature hydraulic oil from the external oil supply device flow from the motor of the second assembly, sequentially flow through the first assembly and the second assembly, and complete the cooling of the high-temperature hydraulic oil at the second assembly, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump and the external pipeline.

[0032] In one of the schemes, the circulating pump is mounted on the rear end bearing of the second assembly, and the circulating pump is in communication with the heat sink of the second assembly through the pump oil pipeline.

[0033] In the scheme, the arrangement can control the circulating pump to sequentially flow the high-temperature hydraulic oil from the external oil supply device from the motor of the second assembly, through the second assembly and the first assembly, and complete the cooling of the high-temperature hydraulic oil at the first assembly, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump and the external pipeline. BRIEF DESCRIPTION OF DRAWINGS

[0034] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0035] Figure 1 It is an overall structure schematic diagram of one embodiment of the present application.

[0036] Figure 2 It is an overall structure schematic diagram of one embodiment of the present application. Figure 1 It is an overall structure schematic diagram of one embodiment of the present application.

[0037] Figure 3 It is a component schematic diagram of the present application when assembled.

[0038] 1, air-cooled box; 2, air-cooled assembly; 21, first assembly; 22, second assembly; 23, cooling fin; 231, pipeline connection port; 232, connection flange; 24, motor; 25, turbine vane; 3, circulating assembly; 31, circulating pump; 32, circulating oil pipe; 321, pump oil pipeline; 322, oil delivery pipeline. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0040] It should be noted that if the embodiments of the present application involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture, and if the certain posture changes, the directional indications also change accordingly.

[0041] In addition, if the description of "first", "second" and the like is involved in the embodiments of the utility model, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, if "and / or" or "and / or" appears throughout the text, it means that the three parallel schemes are included, for example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, also not in the protection scope required by the utility model.

[0042] Please refer to Figures 1-3 One of the embodiments of the utility model provides a new double superimposed oil cooler, including air cooling box body 1, air cooling assembly 2 and circulating assembly 3, air cooling assembly 2 is installed on air cooling box body 1, circulating assembly 3 is installed on air cooling assembly 2, air cooling assembly 2 includes first component 21 and second component 22, first component 21 is communicated second component 22 through circulating assembly 3;

[0043] First component 21 and second component 22 are used to cool hydraulic oil from circulating assembly 3 together, circulating assembly 3 is used to pump hydraulic oil from external oil supply equipment and control the flow of hydraulic oil to air cooling assembly 2 for cooling;

[0044] It should be noted that the external oil supply equipment is specifically the hydraulic system of electrolytic multifunctional travelling crane, the oil with high temperature in the hydraulic system is pumped from circulating assembly 3 and flows through first component 21 and second component 22, in the process, first component 21 and second component 22 act together to cool the high-temperature oil flowing through first component 21 and second component 22, so that good cooling effect is realized;

[0045] It should be additionally explained that second component 22 can be directly installed on first component 21 to avoid increasing the area occupied by the equipment plane;

[0046] It should be additionally explained that circulating assembly 3 further includes external pipeline for conveying the oil flowing through first component 21 and second component 22 back to the hydraulic system, and the external pipeline is specifically connected to first component 21 or second component 22 through which the oil finally flows.

[0047] In this embodiment, by communicating the first assembly 21 with the second assembly 22 and directly arranging on the air-cooled box body 1, cooperating with the hydraulic oil pumped from the external oil supply equipment, on the one hand, the hydraulic oil flowing into the air-cooled assembly 2 can flow through the first assembly 21 and the second assembly 22 to achieve good cooling effect, on the other hand, without increasing the equipment plane occupation area, the normal heat dissipation demand of the electrolytic multifunctional trolley hydraulic system can be met, and the equipment cost of purchasing new equipment is saved;

[0048] Compared with the existing air-cooled equipment, the utility model has the following obvious advantages:

[0049] 1. The utility model has good versatility and adaptability, without replacing the electrolytic multifunctional trolley or air-cooled equipment, the existing electrolytic multifunctional trolley or air-cooled equipment can be directly modified, and the equipment cost of purchasing new equipment is also saved;

[0050] 2. The air-cooled device structure is compact, and the first assembly 21 and the second assembly 22 are directly communicated and arranged on the air-cooled box body 1, the equipment plane occupation area is saved, and the way that the circulating assembly 3 is connected with the external oil supply equipment is also relatively simple, in the working site of the electrolytic multifunctional trolley, the technical personnel can quickly complete the installation and debugging of the device without complex operation process and professional tools, the time period of equipment modification is greatly shortened, and the production loss caused by equipment modification is reduced;

[0051] 3. The utility model can cool the hydraulic oil multiple times through the cooperation of the first assembly 21 and the second assembly 22, compared with the traditional air-cooled equipment, the temperature drop of the hydraulic oil is greater, the hydraulic system of the electrolytic multifunctional trolley is ensured to be always in the appropriate working temperature range, thereby effectively prolonging the service life of each part in the hydraulic system, reducing the equipment failure rate caused by high oil temperature and reducing the equipment maintenance cost;

[0052] 4. The utility model has low maintenance difficulty, because the structure is relatively simple, each assembly is easy to disassemble and install, when the equipment fails or needs to be maintained regularly, the maintenance personnel can quickly locate the problem and replace or repair, the equipment downtime is reduced, and the continuous and stable operation of the electrolytic multifunctional trolley is ensured.

[0053] In one of the embodiments, the first assembly 21 and the second assembly 22 each include a heat sink 23, a motor 24 and a turbine fan 25, the turbine fan 25 is installed on the output end of the motor 24 close to the heat sink 23, the top and bottom of the heat sink 23 are provided with a pipeline connection port 231, and the pipeline connection ports 231 are communicated with an air-cooled pipeline (not shown).

[0054] In one embodiment, two said radiating fins 23 are connected by said circulating assembly 3.

[0055] In one embodiment, said circulating assembly 3 comprises a circulating pump 31 and a circulating oil pipe 32, said circulating pump 31 is installed on said rear end bearing (not shown), said circulating oil pipe 32 comprises a pump oil pipe 321 and an oil delivery pipe 322, said oil delivery pipe 322 connects two said radiating fins 23 through said connecting flange 232.

[0056] In one embodiment, said air-cooled pipe (not shown) is a serpentine pipe, two said pipe connecting ports 231 are located at two ends of said serpentine pipe, said two ends of said serpentine pipe are provided with connecting flanges 232, said connecting flanges 232 are used to connect said circulating assembly 3.

[0057] It should be noted that the serpentine pipe can increase the contact area of the high-temperature hydraulic oil flowing through the air-cooled pipe (not shown) with the cooling air inside the radiating fin 23 through the wall of the air-cooled pipe (not shown), so as to fully exchange heat with the cooling air flow generated by the motor 24 driving the turbine fan blade 25, thereby significantly improving the cooling efficiency of the hydraulic oil;

[0058] It should be additionally noted that the pipe connecting port 231 is used to connect with the circulating assembly 3 to connect the first assembly 21 and the second assembly 22, thereby realizing the effect of the hydraulic oil flowing from the first assembly 21 to the second assembly 22 or from the second assembly 22 to the first assembly 21, so as to ensure that the hydraulic oil can flow through the first assembly 21 and the second assembly 22;

[0059] It should be additionally noted that the circulating assembly 3 can cooperate with the pipe connecting port 231 to connect the first assembly 21 and the second assembly 22, thereby realizing the flow of the hydraulic oil between the first assembly 21 and the second assembly 22. Specifically, the oil delivery pipe 322 can connect one pipe connecting port 231 of the first assembly 21 and one pipe connecting port 231 of the second assembly 22, and connect the aforementioned external pipe at any remaining pipe connecting port 231, and finally connect the aforementioned pump oil pipe 321 to the last pipe connecting port, thereby realizing the flow of the hydraulic oil between the first assembly 21 and the second assembly 22.

[0060] In this embodiment, by designing the air-cooled pipe (not shown) as a serpentine pipe, the contact time and area of the high-temperature hydraulic oil with the pipe wall and the cooling air can be increased, and the cooling efficiency can be greatly improved, thereby effectively reducing the temperature of the hydraulic oil. The pipe connecting port 231 can cooperate with the circulating assembly 3 to connect the first assembly 21 and the second assembly 22, thereby realizing the flow of the hydraulic oil between the first assembly 21 and the second assembly 22.

[0061] In one embodiment, the motor 24 comprises a motor 24 body, a front end bearing (not shown) and a rear end bearing (not shown), and the turbine fan blade 25 is installed on the front end bearing (not shown);

[0062] It should be noted that in actual use, the output shaft of the motor 24 penetrates the front end bearing (not shown) and the rear end bearing (not shown), and when the motor 24 is working, it can simultaneously drive the turbine fan blade 25 and the circulating pump 31 installed at the rear end bearing (not shown).

[0063] In one embodiment, the circulating pump 31 is installed on the rear end bearing (not shown) of the first assembly 21, and the circulating pump 31 communicates with the heat sink 23 of the first assembly 21 through the pump oil pipeline 321.

[0064] In this embodiment, such arrangement can control the circulating pump 31 to make the high-temperature hydraulic oil from the external oil supply device flow from the motor 24 of the first assembly 21, sequentially flow through the first assembly 21 and the second assembly 22, and complete the cooling of the high-temperature hydraulic oil at the second assembly 22, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump 31 and the external pipeline.

[0065] In one embodiment, the circulating pump 31 is installed on the rear end bearing (not shown) of the first assembly 21, and the circulating pump 31 communicates with the heat sink 23 of the second assembly 22 through the pump oil pipeline 321.

[0066] In this embodiment, such arrangement can control the circulating pump 31 to make the high-temperature hydraulic oil from the external oil supply device flow from the motor 24 of the first assembly 21, sequentially flow through the second assembly 22 and the first assembly 21, and complete the cooling of the high-temperature hydraulic oil at the first assembly 21, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump 31 and the external pipeline.

[0067] In one embodiment, the circulating pump 31 is installed on the rear end bearing (not shown) of the second assembly 22, and the circulating pump 31 communicates with the heat sink 23 of the first assembly 21 through the pump oil pipeline 321.

[0068] In this embodiment, such arrangement can control the circulating pump 31 to make the high-temperature hydraulic oil from the external oil supply device flow from the motor 24 of the second assembly 22, sequentially flow through the first assembly 21 and the second assembly 22, and complete the cooling of the high-temperature hydraulic oil at the second assembly 22, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one of the installable schemes of the circulating pump 31 and the external pipeline.

[0069] In one embodiment, the circulating pump 31 is installed on the rear end bearing (not shown) of the second assembly 22, and the circulating pump 31 is communicated with the heat sink 23 of the second assembly 22 through the pump oil pipeline 321.

[0070] In this embodiment, the arrangement can control the circulating pump 31 to flow the high-temperature hydraulic oil from the external oil supply device from the motor 24 of the second assembly 22, sequentially through the second assembly 22 and the first assembly 21, and complete the cooling of the high-temperature hydraulic oil at the first assembly 21, and finally flow to the external pipeline to deliver the cooled hydraulic oil back to the hydraulic system, thereby providing one kind of installation scheme of the circulating pump 31 and the external pipeline.

[0071] The following describes one preferred assembly scheme and working process of the utility model:

[0072] Please refer to Figure 3 , the staff first installs the turbine fan blade 25 of the first assembly 21 on the front end bearing (not shown) of the motor 24 of the first assembly 21, and installs the motor 24 of the first assembly 21 to the air-cooled box body 1, then installs the heat sink 23 to the side of the air-cooled box body 1 opposite to the first assembly 21, and then repeats the above steps to complete the installation of the second assembly 22, thereby completing the installation of the air-cooled assembly 2;

[0073] According to the actual production needs, the staff first installs the oil pipeline 322 on the two pipeline connection ports 231 of the first assembly 21 and the second assembly 22 closest to each other, that is, the two connection flanges 232 of the heat sink 23 in the first assembly 21 and the heat sink 23 of the second assembly 22 closest to each other, then connects the pump oil pipeline 321 to the pipeline connection port 231 at the bottom of the first assembly 21, then connects the external pipeline to the remaining pipeline connection port 231 at the top of the second assembly 22, and finally installs the circulating pump 31 to the rear end bearing (not shown) of the motor 24 of the first assembly 21, thereby completing the installation of the circulating assembly 3;

[0074] In the actual production process, the staff starts the motor 24, and the motor 24 drives the turbine fan blade 25 and the circulating pump 31. The high-temperature hydraulic oil is drawn from the external oil supply device under the action of the circulating pump 31, and flows into the heat sink 23 of the first assembly 21 through the pump oil pipeline 321, and then flows from the first assembly 21 into the heat sink 23 of the second assembly 22 through the oil pipeline 322, and finally flows back to the hydraulic system through the external pipeline;

[0075] In the process, when the high-temperature hydraulic oil flows into the fins 23 of the first assembly 21 and the second assembly 22, due to the continuous rotation of the turbine fan blades 25, the cooling air flow generated by the turbine fan blades 25 is in sufficient heat exchange with the serpentine tube walls in the first assembly 21 and the second assembly 22, the high-temperature hydraulic oil is in sufficient heat exchange with the serpentine tube walls, and thus the cooling effect of the high-temperature hydraulic oil is achieved.

[0076] The above merely describes the preferred embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structural transformation made by using the content of the present application specification and drawings, or direct / indirect application in other related technical fields under the utility model concept of the present application is included in the patent protection scope of the present application.

Claims

1. A novel double-layered oil cooler, characterized in that, It includes an air-cooled housing, an air-cooled assembly, and a circulation assembly. The air-cooled assembly is mounted on the air-cooled housing, and the circulation assembly is mounted on the air-cooled assembly. The air-cooled assembly includes a first assembly and a second assembly, and the first assembly is connected to the second assembly through the circulation assembly. The first component and the second component are used together to cool the hydraulic oil from the circulation component, which is used to pump hydraulic oil from an external oil supply device and control the flow of hydraulic oil to the air-cooling component for cooling.

2. The novel double-layered oil cooler as described in claim 1, characterized in that, Both the first component and the second component include a heat sink, a motor, and a turbine fan. The turbine fan is installed on the output end of the motor near the heat sink. The top and bottom of the heat sink are provided with pipe connection ports, and a cooling pipe is connected between the two pipe connection ports.

3. A novel double-layered oil cooler as described in claim 2, characterized in that, The motor includes a motor body, a front bearing, and a rear bearing, with the turbine blades mounted on the front bearing.

4. A novel double-layered oil cooler as described in claim 3, characterized in that, The air-cooled pipe is a serpentine pipe, with two pipe connection ports located at both ends of the serpentine pipe. Both ends of the serpentine pipe are provided with connecting flanges, which are used to connect the circulation assembly.

5. A novel double-layered oil cooler as described in claim 4, characterized in that, The two heat sinks are connected by the circulation assembly.

6. A novel double-layered oil cooler as described in claim 5, characterized in that, The circulation assembly includes a circulation pump and a circulation oil pipe. The circulation pump is mounted on the rear bearing, and the circulation oil pipe includes a pump oil pipe and an oil delivery pipe. The oil delivery pipe connects the two heat sinks through the connecting flange.

7. A novel double-layered oil cooler as described in claim 6, characterized in that, The circulating pump is mounted on the rear bearing of the first component, and the circulating pump is connected to the heat sink of the first component through the pump oil pipe.

8. A novel double-layered oil cooler as described in claim 6, characterized in that, The circulating pump is mounted on the rear bearing of the first component, and the circulating pump is connected to the heat sink of the second component through the pump oil pipe.

9. A novel double-layered oil cooler as described in claim 6, characterized in that, The circulating pump is mounted on the rear bearing of the second component, and the circulating pump is connected to the heat sink of the first component through the pump oil pipe.

10. A novel double-layered oil cooler as described in claim 6, characterized in that, The circulating pump is mounted on the rear bearing of the second component, and the circulating pump is connected to the heat sink of the second component through the pump oil pipe.

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