CN216592917U - Cooler for national five-diesel engine of aluminum plate-fin excavating machinery - Google Patents
Cooler for national five-diesel engine of aluminum plate-fin excavating machinery Download PDFInfo
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- CN216592917U CN216592917U CN202122323259.8U CN202122323259U CN216592917U CN 216592917 U CN216592917 U CN 216592917U CN 202122323259 U CN202122323259 U CN 202122323259U CN 216592917 U CN216592917 U CN 216592917U
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- oil cooler
- intercooler
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Abstract
The utility model discloses a cooler of a national fifth diesel engine of aluminum plate-fin excavating machinery, which comprises a cooler, wherein the cooler comprises a base, a hydraulic oil cooler, a water cooler, an intercooler, a sheet metal part housing, a first fastener, a sheet metal part protective net, a fixed condenser support, a maintenance discharge port, a frame supporting block and a second fastener. The hydraulic oil cooler belongs to a lubricating system cooling device, the temperature of the cooled intercooler is lower, the air entering an engine is more sufficiently combusted, the quantity of products with insufficient emission of engine tail gas is reduced, and the requirements of new standards are met. The cooling system is required to meet the performance curve of the fan under the working condition that the engine has the worst rotating speed, and the performance requirement of the cooling system can be met.
Description
Technical Field
The utility model belongs to the technical field of diesel engine coolers, and particularly relates to a cooler of a national fifth diesel engine of an aluminum plate-fin excavating machine.
Background
The utility model relates to a cooler of a national fifth diesel engine of excavating machinery, in particular to a cooler of a national fifth diesel engine of aluminum plate-fin excavating machinery, which is applied to a cooling hydraulic system of the national fifth diesel engine of excavating machinery, a lubricating system of a cooling diesel engine, a water tank of the cooling engine and gas before an engine supercharger enters an engine to be combusted.
National fifth standard, the fifth stage national vehicle emission standard has been implemented nationwide by 1 month and 1 day of 2017; the national fifth-stage vehicle pollutant emission standard is called the national fifth standard for short, and the national fifth-stage emission control level is equivalent to the 5-stage emission standard which is implemented in Europe. The european union has been executing since 2009, which places more stringent restrictions on automotive emissions, such as nitrogen oxides, hydrocarbons, carbon monoxide and suspended particles. And when the standard is increased once from the state I to the state IV, the pollution of the single vehicle is reduced by 30 to 50 percent. At present, the five national standards of cities such as Beijing, Shanghai, Nanjing and Guangdong part of cities are already implemented.
According to the emission standard of the fifth nation, the requirement on the exhaust temperature of the intercooler is lower, so that the exhaust gas is discharged and combusted more fully, and the generated nitrogen oxides, hydrocarbons and carbon monoxide are less; the water cooler still can meet the performance requirement under the conditions of the most unfavorable engine speed and harsher performance curve of the fan; the oil cooler needs to be cooled by a lubricating system and a hydraulic system to meet the requirements of longer combustion time, more sufficient cooling and the like.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a cooler for a national five-diesel engine of an aluminum plate-fin excavating machine, which has the advantages of compact structure, capability of adapting to limited space, high heat exchange efficiency, light weight, low noise, simple, quick and convenient installation, small occupied area, no pollution in the production process, extremely high cleanliness and capability of reducing one-time investment and operation cost; the combined cooler of the aluminum plate-fin type mine scraping equipment has remarkable economic benefit.
In order to achieve the purpose, the utility model provides the following technical scheme: a cooler of a national fifth diesel engine of aluminum plate-fin excavating machinery comprises a cooler, wherein the cooler comprises a base, a hydraulic oil cooler, a water cooler, an intercooler, a sheet metal part housing, first fasteners, a sheet metal part protective screen, a fixed condenser support, a maintenance discharge port, a frame supporting block and second fasteners, the hydraulic oil cooler is arranged at the top of the base, the hydraulic oil cooler is arranged at the top of the hydraulic oil cooler, the water cooler is arranged at the top of the hydraulic oil cooler, the intercooler is arranged at the top of the water cooler, the sheet metal part housing is arranged on the front end face of the hydraulic oil cooler, the water cooler and the intercooler, the two first fasteners are arranged on the front end face of the sheet metal part housing, and the sheet metal part protective screen is fixedly connected between the outer surfaces of the two first fasteners, the fixed condenser support of surface fixed mounting of intercooler, the preceding terminal surface of water cooler is provided with the maintenance discharge port, the both sides of hydraulic oil cooler, water cooler, intercooler all are provided with the frame supporting shoe, the bottom of base is provided with the second fastener, the inside of hydraulic oil cooler, water cooler and intercooler all is provided with the core, the core part is formed by vacuum brazing.
Through the technical scheme, the cooler of the national five-diesel engine of the aluminum plate-fin excavating machinery is a cooling device composed of a hydraulic oil cooler, a water cooler, a intercooler and the like. The hydraulic oil cooler belongs to a lubricating system cooling device; the hydraulic oil cooler belongs to a hydraulic system cooling device; the water cooler is a cooling device for cooling the water tank of the engine, the intercooler is used for cooling the pressurized gas before the supercharger enters the engine for combustion, the temperature of the intercooler after cooling is lower, insufficient combustion products are generated for more sufficient combustion of the air entering the engine, the amount of the products with insufficient exhaust of the tail gas of the engine is reduced, and the requirements of new standards are met. For the national fifth discharge standard, the water cooler requires that the cooling system can meet the fan performance curve under the condition that the engine is at the worst rotating speed, and can also meet the performance requirement of the cooling system.
Preferably, the core body comprises side plates at two ends, the side plates are uniformly arranged with inner channels, outer channels and partition plates arranged between the inner channels and the outer channels at intervals, the inner channels are composed of inner fins and long sealing strips at two sides of the inner channels, and the outer channels are composed of outer fins and short sealing strips at two sides of the outer fins.
Through the technical scheme, the inner fins and the outer fins are of the cross-flow structure, the inner fins and the outer fins adopted by the channel continuously destroy the fluid boundary layer, the inner fins and the outer fins are provided with secondary heat transfer surfaces, the heat exchange efficiency is high, and the defects that the existing heat exchanger is low in heat exchange efficiency and occupies space are overcome. The utility model has the advantages of firm structure, beautiful and elegant appearance, pressure resistance of more than 0.3MPa, full aluminum production, no pollution in the production process, extremely high cleanliness, capability of reducing one-time investment and operation cost and remarkable economic benefit.
Preferably, the inner fins and the outer fins are arranged in a 90-degree crossed manner.
Through the technical scheme, the inner fins and the outer fins are arranged in an angle cross mode, and the heat dissipation effect is improved in the cross arrangement mode.
Preferably, the core body is respectively connected with a sealing head body, and an inlet and outlet pipe orifice is arranged on the sealing head body.
Through the technical scheme, the aluminum plate-fin type excavating machinery national five-discharge cooler is formed by respectively assembling and welding the core body, the sealing head body and the inlet and outlet pipe orifices.
Preferably, the number of the fixed condenser brackets is four, and the fixed condenser brackets are all located on the outer surface of the intercooler.
Through the technical scheme, the four fixed condenser brackets are used for fixing the air conditioner condenser.
Preferably, the number of frame support blocks is ten.
Through above-mentioned technical scheme, ten frame supporting shoes for support the frame.
Preferably, the shock absorption pads are arranged on two sides of the bottom of the base.
Through above-mentioned technical scheme, prevent through the shock pad that the cooler shakes too big, influence the product and use.
Compared with the prior art, the utility model has the beneficial effects that:
1. the cooler of the national five diesel engine of the aluminum plate-fin excavating machinery is a cooling device which consists of a hydraulic oil cooler, a water cooler, a intercooler and the like. The hydraulic oil cooler belongs to a lubricating system cooling device; the hydraulic oil cooler belongs to a hydraulic system cooling device; the water cooler is a cooling device for cooling the water tank of the engine, the intercooler is used for cooling the pressurized gas before the supercharger enters the engine for combustion, the temperature of the intercooler after cooling is lower, insufficient combustion products are generated for more sufficient combustion of the air entering the engine, the amount of the products with insufficient exhaust of the tail gas of the engine is reduced, and the requirements of new standards are met. For the national fifth discharge standard, the water cooler requires that the cooling system can meet the fan performance curve under the condition that the engine is at the worst rotating speed, and can also meet the performance requirement of the cooling system.
2. The inner fins and the outer fins are of cross-flow structures, the fluid boundary layers are continuously damaged by the inner fins and the outer fins adopted by the channels, the inner fins and the outer fins are provided with secondary heat transfer surfaces, the heat exchange efficiency is high, and the defects that the existing heat exchanger is low in heat exchange efficiency and occupies space are overcome. The utility model has the advantages of firm structure, beautiful and elegant appearance, pressure resistance of more than 0.M3Pa, full aluminum production, no pollution in the production process, extremely high cleanliness, capability of reducing one-time investment and operation cost and remarkable economic benefit.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a rear view of the present invention;
FIG. 4 is a schematic bottom view of the present invention;
FIG. 5 is a schematic diagram of the composition of the core of the present invention;
FIG. 6 is an assembled schematic view of the inner channel of FIG. 1 of the present invention;
fig. 7 is an assembly structure view of the outer channel of fig. 1 according to the present invention.
In the figure: 1. a base; 2. a hydraulic oil cooler; 3. a hydraulic oil cooler; 3-1, long seal; 3-2, inner fins; 3-3, a partition board; 3-4, short seal; 3-5, outer fins; 3-8, side plates; 3-9, inner channel; 3-10, outer channel; 4. a water cooler; 5. an intercooler; 6. a sheet metal part housing; 7. a first fastener; 8. a sheet metal part protective net; 9. fixing a condenser bracket; 10. maintaining the discharge port; 11. a frame support block; 12. a second fastener.
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.
The first embodiment is as follows:
referring to fig. 1-4, the present invention provides a technical solution: a cooler of a national fifth diesel engine of aluminum plate-fin excavating machinery comprises a cooler, the cooler comprises a base 1, a hydraulic oil cooler 2, a hydraulic oil cooler 3, a water cooler 4, an intercooler 5, a sheet metal part housing 6, first fasteners 7, a sheet metal part protective net 8, a fixed condenser support 9, a maintenance discharge port 10, a frame supporting block 11 and second fasteners 12, the top of the base 1 is provided with the hydraulic oil cooler 2, the top of the hydraulic oil cooler 2 is provided with the hydraulic oil cooler 3, the top of the hydraulic oil cooler 3 is provided with the water cooler 4, the top of the water cooler 4 is provided with the intercooler 5, the hydraulic oil cooler 2, the hydraulic oil cooler 3, the water cooler 4 and the front end face of the intercooler 5 are provided with the sheet metal part housing 6, the front end face of the sheet metal part housing 6 is provided with the two first fasteners 7, the sheet metal part protective net 8 is fixedly connected between the outer surfaces of the two first fasteners 7, the fixed condenser support 9 of surface fixed mounting of intercooler 5, the preceding terminal surface of water cooler 4 is provided with maintenance discharge port 10, hydraulic oil cooler 2, hydraulic oil cooler 3, water cooler 4, the both sides of intercooler 5 all are provided with frame supporting shoe 11, the bottom of base 1 is provided with second fastener 12, hydraulic oil cooler 2, hydraulic oil cooler 3, water cooler 4 and the inside of intercooler 5 all are provided with the core, the core part is formed by vacuum brazing.
In the present embodiment, the hydraulic oil cooler 2 belongs to a lubricating system cooling device, and the hydraulic oil cooler 3 belongs to a hydraulic system cooling device; the water cooler 4 is a cooling device for cooling a water tank of the engine, the intercooler 5 is used for cooling the pressurized air of the supercharger before the pressurized air enters the engine for combustion, the temperature of the cooled intercooler 5 is lower, insufficient combustion products are generated for more sufficient combustion of the air entering the engine, the quantity of the insufficient products discharged from the tail gas of the engine is reduced, and the requirements of new standards are met. For the national fifth discharge standard, the water cooler 4 requires that the cooling system can meet the fan performance curve under the condition that the engine can not rotate at the most favorable rotating speed, and can also meet the performance requirement of the cooling system
Example two:
referring to fig. 5-7, on the basis of the first embodiment, the present invention provides a technical solution: the core body comprises side plates 3-8 at two ends, inner channels 3-9 and outer channels 3-10 are uniformly arranged between the side plates 3-8 at intervals, partition plates 3-3 are arranged between the inner channels 3-9 and the outer channels 3-10, the inner channels 3-9 are composed of inner fins 3-2 and long sealing strips 3-1 at two sides, and the outer channels 3-10 are composed of outer fins 3-5 and short sealing strips 3-4 at two sides.
In the embodiment, the inner fins 3-2 and the outer fins 3-5 are in a cross-flow structure, the fluid boundary layer is continuously damaged by the inner fins 3-2 and the outer fins 3-5 adopted by the channel, the inner fins 3-2 and the outer fins 3-5 are provided with secondary heat transfer surfaces, the heat exchange efficiency is high, and the defects that the existing heat exchanger is low in heat exchange efficiency and occupies a large space are overcome. The utility model has the advantages of firm structure, beautiful and elegant appearance, pressure resistance of more than 0.3MPa, full aluminum production, no pollution in the production process, extremely high cleanliness, capability of reducing one-time investment and operation cost and remarkable economic benefit.
Example three:
referring to fig. 1-7, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the inner fins 3-2 and the outer fins 3-5 are arranged in a 90-degree crossed mode, the core body is connected with a head sealing body respectively, inlet and outlet pipe openings are formed in the head sealing body, the number of the fixed condenser supports 9 is four, the four fixed condenser supports 9 are located on the outer surface of the intercooler 5, the number of the frame supporting blocks 11 is ten, and shock absorption pads are arranged on two sides of the bottom of the base 1.
In the embodiment, the inner fins 3-2 and the outer fins 3-5 are arranged in a 90-degree crossed manner to improve the heat dissipation effect, four parts of the national five-discharge cooler of the aluminum plate-fin excavating machine are respectively formed by assembling and welding a core body, a sealing head body and an inlet and outlet pipe opening, four fixed condenser brackets 9 are used for fixing an air conditioner condenser, and ten frame supporting blocks 11 are used for supporting a vehicle frame and are used for preventing the use of a product from being influenced by overlarge vibration of the cooler through shock absorption pads.
The working principle and the using process of the utility model are as follows: the utility model relates to a cooler of a national five-diesel engine of an aluminum plate-fin excavating machine, which is a cooling device consisting of a hydraulic oil cooler 2, a hydraulic oil cooler 3, a water cooler 4, a intercooler 5 and the like. The hydraulic oil cooler 2 belongs to a lubricating system cooling device; the hydraulic oil cooler 3 belongs to a hydraulic system cooling device, the water cooler 4 is a cooling device for cooling a water tank of an engine, and heat generated by friction of lubricating oil is taken away by the lubricating system cooler; the heat of the main pump is taken away through the hydraulic system; 50% of antifreezing solution passes through a medium of an engine cylinder, and 50% of water takes away part of heat combusted in the cylinder; the hot air passing through the supercharger carries out forced convection on heat generated by compression and friction through cold air in the outer channel, takes away the heat and improves the power of the engine. The fins in the channel not only increase the secondary heat exchange area, but also promote turbulent flow and improve the heat exchange coefficient. Therefore, the heat exchanger has the characteristics of high heat transfer efficiency, compact structure, light weight and tightness, but is not suitable for the medium occasions of water or steam containing acid and alkali substances, the charge air cooler 5 cools the charge air of the section before the supercharger enters the engine for combustion, the temperature of the charge air cooler 5 after cooling is lower, in order to ensure that the air entering the engine is more fully combusted, less insufficient combustion products are generated, the quantity of the products with insufficient exhaust of the tail gas of the engine is reduced, and the heat exchanger is suitable for the requirements of new standards. For the national fifth discharge standard, the water cooler 4 requires that a cooling system can still meet the fan performance curve under the condition that the engine is at the worst rotating speed, and can still meet the performance requirement of the cooling system, the inner fins 3-2 and the outer fins 3-5 adopt cross flow structures, the fluid boundary layer is continuously damaged by the inner fins 3-2 and the outer fins 3-5 adopted by a channel, the inner fins 3-2 and the outer fins 3-5 have secondary heat transfer surfaces, the heat exchange efficiency is high, and the defects of low heat exchange efficiency and space occupation of the existing heat exchanger are overcome. The core body is formed by brazing the partition plate, the side plates, the fins and the seal strip in a brazing furnace at high temperature in vacuum, is completely made of No. 21 antirust aluminum alloy (3A 21), and has extremely light weight; the adaptive temperature range is-200 ℃ to 200 ℃, and the static pressure can be borne by 0.3 Mpa.
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 utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an aluminium system plate-fin formula excavating machinery state five diesel engine coolers, includes the cooler, its characterized in that: the cooler comprises a base (1), a hydraulic oil cooler (2), a hydraulic oil cooler (3), a water cooler (4), an intercooler (5), a sheet metal part housing (6), a first fastener (7), a sheet metal part protective net (8), a fixed condenser bracket (9), a maintenance discharge port (10), a frame supporting block (11) and a second fastener (12), wherein the hydraulic oil cooler (2) is arranged at the top of the base (1), the hydraulic oil cooler (3) is arranged at the top of the hydraulic oil cooler (2), the water cooler (4) is arranged at the top of the hydraulic oil cooler (3), the intercooler (5) is arranged at the top of the water cooler (4), the sheet metal part housing (6) is arranged on the front end face of the hydraulic oil cooler (2), the hydraulic oil cooler (3), the water cooler (4) and the intercooler (5), the utility model discloses a cooling device, including base (1), sheet metal component housing (6), preceding terminal surface of sheet metal component housing (6) is provided with two first fasteners (7), two fixedly connected with sheet metal component protection network (8) between the surface of first fastener (7), the fixed condenser support of surface fixed mounting (9) of intercooler (5), the preceding terminal surface of water cooler (4) is provided with maintenance discharge port (10), the both sides of hydraulic oil cooler (2), hydraulic oil cooler (3), water cooler (4), intercooler (5) all are provided with frame supporting shoe (11), the bottom of base (1) is provided with second fastener (12), the inside of hydraulic oil cooler (2), hydraulic oil cooler (3), water cooler (4) and intercooler (5) all is provided with the core, the core part forms by vacuum brazing.
2. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 1, wherein: the core body comprises side plates (3-8) at two ends, partition plates (3-3) are arranged between the side plates (3-8) at intervals, the inner channels (3-9), the outer channels (3-10), the inner channels (3-9) and the outer channels (3-10), the inner channels (3-9) are composed of inner fins (3-2) and long sealing strips (3-1) on two sides of the inner fins, and the outer channels (3-10) are composed of outer fins (3-5) and short sealing strips (3-4) on two sides of the outer fins.
3. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 2, wherein: the inner fins (3-2) and the outer fins (3-5) are arranged in a 90-degree crossed manner.
4. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 2, wherein: the core body is respectively connected with a sealing head body, and an inlet and outlet pipe orifice is arranged on the sealing head body.
5. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 1, wherein: the fixed condenser brackets (9) are four in number, and the fixed condenser brackets (9) are all located on the outer surface of the intercooler (5).
6. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 1, wherein: the number of the frame supporting blocks (11) is ten.
7. The cooler of the aluminum plate-fin excavating machine national five-diesel engine as claimed in claim 1, wherein: shock pads are arranged on two sides of the bottom of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122323259.8U CN216592917U (en) | 2021-09-26 | 2021-09-26 | Cooler for national five-diesel engine of aluminum plate-fin excavating machinery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122323259.8U CN216592917U (en) | 2021-09-26 | 2021-09-26 | Cooler for national five-diesel engine of aluminum plate-fin excavating machinery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216592917U true CN216592917U (en) | 2022-05-24 |
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ID=81637668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122323259.8U Active CN216592917U (en) | 2021-09-26 | 2021-09-26 | Cooler for national five-diesel engine of aluminum plate-fin excavating machinery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216592917U (en) |
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2021
- 2021-09-26 CN CN202122323259.8U patent/CN216592917U/en active Active
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