CN110821595A - Oil cooler for engineering machinery - Google Patents
Oil cooler for engineering machinery Download PDFInfo
- Publication number
- CN110821595A CN110821595A CN201911111726.1A CN201911111726A CN110821595A CN 110821595 A CN110821595 A CN 110821595A CN 201911111726 A CN201911111726 A CN 201911111726A CN 110821595 A CN110821595 A CN 110821595A
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- China
- Prior art keywords
- oil
- oil inlet
- pipe
- pipes
- flat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses an oil cooler for engineering machinery, which comprises an oil inlet chamber, wherein a plurality of oil inlet pipes are fixed on the oil inlet chamber, fixing plates are fixed on the side walls of the oil inlet pipes, one ends of the oil inlet pipes, which are far away from the oil inlet chamber, are connected with flat pipes, limiting cavities are arranged at two ends of the interior of each flat pipe, jacks are arranged at one ends, which are close to the oil inlet pipes, of the limiting cavities, and sealing gaskets are arranged between the jacks and the oil inlet pipes; the original mode that the heat engine oil in the flat tubes is radiated by arranging the radiating fins between the flat tubes in the oil cooler for the engineering machinery is replaced by a mode that the cooling tubes are sleeved on the peripheries of the flat tubes, cold water is injected into the cooling tubes for water cooling radiation, and the radiating fans are additionally arranged above the flat tubes for air cooling radiation, so that dust can be prevented from falling onto the radiating fins and being inconvenient to clean, and the radiating effect is influenced when the dust on the radiating fins is accumulated excessively.
Description
Technical Field
The invention belongs to the technical field of engineering machinery, and particularly relates to an oil cooler for engineering machinery.
Background
Construction machines are an important component of the equipment industry. In general, mechanical equipment necessary for comprehensive mechanized construction works required for earth and stone construction works, road surface construction and maintenance, mobile lifting, loading and unloading operations, and various construction works is called as construction machinery.
The prior art has the following problems: 1. in the existing oil cooler for engineering machinery, radiating fins are fixed between flat tubes, heat of hot oil entering the flat tubes is diffused to outside air through the radiating fins, but the radiating fins are exposed in the air, and impurities such as dust enter the radiating fins, so that the radiating fins are inconvenient to clean, and excessive dust is accumulated on the radiating fins to influence the radiating effect of the radiating fins; 2. the existing oil cooler for engineering machinery is fixedly provided with flat pipes between an oil inlet chamber and an oil outlet chamber in a welding mode, hot oil is conveyed through the flat pipes, the flat pipes are fixed between the oil inlet chamber and the oil outlet chamber, and after the operation of cooling the hot oil is completed, the flat pipes are inconvenient to clean.
Disclosure of Invention
To solve the problems set forth in the background art described above. The invention provides an oil cooler for engineering machinery, which has the characteristic of convenient cleaning.
In order to achieve the purpose, the invention provides the following technical scheme: an oil cooler for engineering machinery comprises an oil inlet chamber, wherein a plurality of oil inlet pipes are fixed on the oil inlet chamber, a fixed plate is fixed on the side wall of each oil inlet pipe, one ends of the oil inlet pipes, which are far away from the oil inlet chamber, are connected with flat pipes, two ends of the interior of each flat pipe are respectively provided with a limiting cavity, one ends of the limiting cavities, which are close to the oil inlet pipes, are provided with jacks, sealing gaskets are arranged between the jacks and the oil inlet pipes, cooling pipes are sleeved on the peripheries of the flat pipes, one ends of the flat pipes, which are far away from the oil inlet pipes, are connected with oil outlet pipes, one ends of the oil outlet pipes, which are far away from the flat pipes, are provided with oil outlet chambers, U-shaped plates are fixed between the oil inlet chambers and the oil outlet chambers and above the flat pipes, the U-shaped plates are fixedly connected with the oil inlet chambers, install the cold water machine between inlet tube and the outlet pipe, one side of U-shaped plate is fixed with the supporting seat, radiator fan is installed to the opposite side of U-shaped plate, the limiting plate is installed to one side that goes out the grease chamber and keep away from out the oil pipe, through mounting fixed connection between limiting plate and the outlet pipe, the below that just is located flat pipe between grease chamber and the grease chamber of advancing is fixed with the base.
Preferably, the U-shaped plate and the oil inlet chamber and the oil outlet chamber are provided with threaded holes at positions corresponding to the bolts.
Preferably, the U-shaped plate and the supporting seat and the oil outlet chamber and the limiting plate are fixedly installed in a welding mode.
Preferably, the cooling pipe is arranged in a spiral structure.
Preferably, the installation mode between the oil outlet pipe and the flat pipe is the same as the installation mode between the oil inlet pipe and the flat pipe.
Preferably, the fixed plate and the oil inlet pipe are of an integrated structure.
Preferably, the depth of the limiting cavity is greater than the distance from the fixing plate to the bottom of the oil inlet pipe.
Preferably, a dust cover is disposed on the periphery of the heat dissipation fan.
Compared with the prior art, the invention has the beneficial effects that:
1. the original mode that the heat engine oil in the flat tubes is radiated by arranging the radiating fins between the flat tubes in the oil cooler for the engineering machinery is replaced by a mode that the cooling tubes are sleeved on the peripheries of the flat tubes, cold water is injected into the cooling tubes for water cooling radiation, and the radiating fans are additionally arranged above the flat tubes for air cooling radiation, so that dust can be prevented from falling onto the radiating fins and being inconvenient to clean, and the radiating effect is influenced when the dust on the radiating fins is accumulated excessively.
2. The invention replaces the flat pipe fixedly arranged between the oil inlet chamber and the oil outlet chamber in the original oil cooler for the engineering machinery in a welding mode with the flat pipe which can be taken down from the position between the oil inlet chamber and the oil outlet chamber, and when the cooling of the heat engine oil is finished, the flat pipe is convenient to take down for cleaning.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the oil inlet pipe and the flat pipe according to the present invention;
FIG. 3 is an enlarged view of FIG. 2A of the present invention.
In the figure: 1. a U-shaped plate; 2. a supporting seat; 3. a heat radiation fan; 4. a limiting plate; 5. an oil outlet chamber; 6. flat tubes; 7. a water outlet pipe; 8. a fixing member; 9. a water chiller; 10. an oil outlet pipe; 11. a water inlet pipe; 12. a base; 13. a cooling tube; 14. an oil inlet pipe; 15. an oil inlet chamber; 16. a limiting cavity; 17. a bolt; 18. a fixing plate; 19. a gasket; 20. and (4) inserting the jack.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides the following technical solutions: an oil cooler for engineering machinery comprises an oil inlet chamber 15, wherein a plurality of oil inlet pipes 14 are fixed on the oil inlet chamber 15, a fixing plate 18 is fixed on the side wall of each oil inlet pipe 14, one ends, far away from the oil inlet chamber 15, of the oil inlet pipes 14 are connected with flat pipes 6, two ends inside the flat pipes 6 are respectively provided with a limiting cavity 16, one ends, near to the oil inlet pipes 14, of the limiting cavities 16 are provided with jacks 20, sealing gaskets 19 are arranged between the jacks 20 and the oil inlet pipes 14, the peripheries of the flat pipes 6 are sleeved with cooling pipes 13, one ends, far away from the oil inlet pipes 14, of the flat pipes 6 are connected with oil outlet pipes 10, one ends, far away from the flat pipes 6, of the oil outlet pipes 10 are provided with oil outlet chambers 5, U-shaped plates 1 are fixed between the oil inlet chamber 15 and the oil outlet chambers 5 and above the flat pipes 6, the U-shaped plates 1 and the oil outlet chambers 5 are fixedly connected, the other end of cooling tube 13 is connected with inlet tube 11, installs cold water machine 9 between inlet tube 11 and the outlet pipe 7, and one side of U-shaped plate 1 is fixed with supporting seat 2, and radiator fan 3 is installed to the opposite side of U-shaped plate 1, and the limiting plate 4 is installed to the one side that goes out oil pipe 10 is kept away from to oil chamber 5, through 8 fixed connection of mounting between limiting plate 4 and the outlet pipe 7, and the below that just is located flat pipe 6 between oil inlet chamber 15 and the oil outlet chamber 5 is fixed with base 12.
In order to facilitate the fixing and installation of the U-shaped plate 1 between the oil inlet chamber 15 and the oil outlet chamber 5 by the bolt 17, in the present embodiment, it is preferable that threaded holes are provided on the U-shaped plate 1, the oil inlet chamber 15 and the oil outlet chamber 5 at positions corresponding to the bolt 17.
In order to fixedly mount the support seat 2 and the limit plate 4 on the U-shaped plate 1 and the oil outlet chamber 5, in the present embodiment, preferably, the U-shaped plate 1 and the support seat 2 and the oil outlet chamber 5 and the limit plate 4 are fixedly mounted by welding.
In order to prolong the cooling time of the cooling pipe 13, in the present embodiment, it is preferable that the cooling pipe 13 is provided in a spiral structure.
In order to facilitate the detachment of the flat tube 6, in the present embodiment, it is preferable that the oil outlet tube 10 is mounted on the flat tube 6 in the same manner as the oil inlet tube 14 is mounted on the flat tube 6.
In order to conveniently and fixedly connect the oil inlet pipe 14 and the flat pipe 6, in this embodiment, preferably, the fixing plate 18 and the oil inlet pipe 14 are in an integrated structure.
In order to facilitate the removal of the flat tube 6, in the present embodiment, it is preferable that the depth of the limiting cavity 16 is greater than the distance from the fixing plate 18 to the bottom of the oil inlet tube 14.
In order to prevent impurities such as dust from falling onto the heat dissipation fan 3, in the present embodiment, it is preferable that a dust cover is provided on the periphery of the heat dissipation fan 3.
The water chiller 9 of the invention is a known technology which is widely applied and used in daily life and has been disclosed, and the working principle is as follows: the refrigeration working medium (i.e. refrigerant) absorbs the heat of the cooled object in the evaporator and is vaporized into steam, the compressor continuously extracts the generated steam from the evaporator and compresses the steam, the compressed high-temperature and high-pressure steam is sent to the condenser and then releases heat to a cooling medium (such as water, air and the like) to be condensed into high-pressure liquid, the high-pressure liquid enters the evaporator after being decompressed by the throttling mechanism and is vaporized again to absorb the heat of the cooled object, and the circulation is repeated in this way, wherein the model of the refrigeration working medium (i.e. refrigerant) is TF-LS-5 HP.
The working principle and the using process of the invention are as follows: the invention inserts the oil inlet pipe 14 into the limit cavity 16 in the flat pipe 6, and fills the sealing gasket 19 between the oil inlet pipe 14 and the jack 20, so as to prevent engine oil from entering the limit cavity 16 from a gap between the jack 20 and the oil inlet pipe 14, when the fixed plate 18 on the oil inlet pipe 14 contacts with the flat pipe 6, the insertion is stopped, the fixed plate 18 is fixedly connected with the flat pipe 6 through the bolt 17, then the device is started, the cold water machine 9 and the radiating fan 3 enter the working state, then the hot engine oil in the external pipeline is injected into the core body in the oil inlet chamber 15, and then the hot engine oil is conveyed into the flat pipe 6 through the horizontally arranged oil inlet pipe 14, the radiating fan 3 on the U-shaped plate 1 carries out air cooling radiation on the hot engine oil in the flat pipe 6, the cold water in the cold water machine 9 is injected into the cooling pipe 13 from the water outlet pipe 7, the hot engine oil in the flat pipe 6 carries out water cooling radiation, the engine oil enters the water cooler 9 through the water inlet pipe 11, is cooled by the water cooler 9, then enters the cooling pipe 13 through the water outlet pipe 7 for water cooling and heat dissipation, and is collected to the inner core body of the oil outlet chamber 5 from the oil outlet pipe 10 after being cooled, and then enters the external pipeline.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. An oil cooler for construction machinery, comprising an oil inlet chamber (15), characterized in that: the oil inlet chamber is characterized in that a plurality of oil inlet pipes (14) are fixed on the oil inlet chamber (15), a fixing plate (18) is fixed on the side wall of each oil inlet pipe (14), one ends, far away from the oil inlet chamber (15), of the oil inlet pipes (14) are connected with flat pipes (6), the two ends of the inner portion of each flat pipe (6) are provided with limiting cavities (16), one ends, close to the oil inlet pipes (14), of the limiting cavities (16) are provided with jacks (20), sealing gaskets (19) are arranged between the jacks (20) and the oil inlet pipes (14), cooling pipes (13) are sleeved on the peripheries of the flat pipes (6), one ends, far away from the oil inlet pipes (14), of the flat pipes (6) are connected with oil outlet pipes (10), one ends, far away from the flat pipes (6), of the oil outlet pipes (10) are provided with oil outlet chambers (5), U-shaped plates (1) are fixed above the oil, the U-shaped plate (1) is fixedly connected with the oil inlet chamber (15), the U-shaped plate (1) is fixedly connected with the oil outlet chamber (5), and the fixing plate (18) is fixedly connected with the flat pipe (6) through bolts (17), one end of the cooling pipe (13) is connected with a water outlet pipe (7), the other end of the cooling pipe (13) is connected with a water inlet pipe (11), a water cooler (9) is arranged between the water inlet pipe (11) and the water outlet pipe (7), a supporting seat (2) is fixed on one side of the U-shaped plate (1), a heat radiation fan (3) is arranged on the other side of the U-shaped plate (1), a limiting plate (4) is arranged on one side of the oil outlet chamber (5) far away from the oil outlet pipe (10), the limiting plate (4) is fixedly connected with the water outlet pipe (7) through a fixing piece (8), and a base (12) is fixed between the oil inlet chamber (15) and the oil outlet chamber (5) and below the flat pipe (6).
2. The oil cooler for a construction machine according to claim 1, wherein: threaded holes are formed in the positions, corresponding to the bolts (17), on the U-shaped plate (1), the oil inlet chamber (15) and the oil outlet chamber (5).
3. The oil cooler for a construction machine according to claim 1, wherein: the U-shaped plate (1) and the supporting seat (2) and the oil outlet chamber (5) and the limiting plate (4) are fixedly installed in a welding mode.
4. The oil cooler for a construction machine according to claim 1, wherein: the cooling pipe (13) is arranged in a spiral structure.
5. The oil cooler for a construction machine according to claim 1, wherein: the mounting mode between the oil outlet pipe (10) and the flat pipe (6) is the same as that between the oil inlet pipe (14) and the flat pipe (6).
6. The oil cooler for a construction machine according to claim 1, wherein: the fixing plate (18) and the oil inlet pipe (14) are of an integrated structure.
7. The oil cooler for a construction machine according to claim 1, wherein: the depth of the limiting cavity (16) is larger than the distance from the fixing plate (18) to the bottom of the oil inlet pipe (14).
8. The oil cooler for a construction machine according to claim 1, wherein: and a dust cover is arranged on the periphery of the heat radiation fan (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111726.1A CN110821595B (en) | 2019-11-14 | 2019-11-14 | Oil cooler for engineering machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911111726.1A CN110821595B (en) | 2019-11-14 | 2019-11-14 | Oil cooler for engineering machinery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110821595A true CN110821595A (en) | 2020-02-21 |
| CN110821595B CN110821595B (en) | 2020-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911111726.1A Active CN110821595B (en) | 2019-11-14 | 2019-11-14 | Oil cooler for engineering machinery |
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| Country | Link |
|---|---|
| CN (1) | CN110821595B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688439A (en) * | 2020-12-31 | 2022-07-01 | 沈平 | Light air compressor machine radiator |
| CN115467737A (en) * | 2022-09-23 | 2022-12-13 | 安徽金三环金属科技有限公司 | High-heat-dissipation automobile oil-cooling aluminum flat tube fixing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292903Y (en) * | 1996-11-22 | 1998-09-30 | 孙金权 | Oil cooler |
| CN101655295A (en) * | 2008-08-18 | 2010-02-24 | 海尔集团公司 | Refrigerant heat exchanger |
| CN103850714A (en) * | 2012-12-06 | 2014-06-11 | 武汉新世界制冷工业有限公司 | Thermal siphon oil cooling system for screw expander |
| CN104236339A (en) * | 2013-06-14 | 2014-12-24 | 三菱电机株式会社 | Twisted tube heat exchanger and method for manufacturing twisted tube heat exchanger |
| CN105202350A (en) * | 2014-06-17 | 2015-12-30 | 上海世德子汽车零部件有限公司 | Engine oil cooler |
| CN106440508A (en) * | 2015-06-19 | 2017-02-22 | 布莱克曼两合公司 | Heat exchanging device and method therefor |
-
2019
- 2019-11-14 CN CN201911111726.1A patent/CN110821595B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2292903Y (en) * | 1996-11-22 | 1998-09-30 | 孙金权 | Oil cooler |
| CN101655295A (en) * | 2008-08-18 | 2010-02-24 | 海尔集团公司 | Refrigerant heat exchanger |
| CN103850714A (en) * | 2012-12-06 | 2014-06-11 | 武汉新世界制冷工业有限公司 | Thermal siphon oil cooling system for screw expander |
| CN104236339A (en) * | 2013-06-14 | 2014-12-24 | 三菱电机株式会社 | Twisted tube heat exchanger and method for manufacturing twisted tube heat exchanger |
| CN105202350A (en) * | 2014-06-17 | 2015-12-30 | 上海世德子汽车零部件有限公司 | Engine oil cooler |
| CN106440508A (en) * | 2015-06-19 | 2017-02-22 | 布莱克曼两合公司 | Heat exchanging device and method therefor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114688439A (en) * | 2020-12-31 | 2022-07-01 | 沈平 | Light air compressor machine radiator |
| CN115467737A (en) * | 2022-09-23 | 2022-12-13 | 安徽金三环金属科技有限公司 | High-heat-dissipation automobile oil-cooling aluminum flat tube fixing device |
| CN115467737B (en) * | 2022-09-23 | 2024-07-09 | 安徽金三环金属科技有限公司 | High heat dissipation car oil cooling aluminum flat tube fixing device |
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| Publication number | Publication date |
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| CN110821595B (en) | 2020-12-15 |
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