CN112253326A - Diesel engine cooling system for engineering machinery - Google Patents
Diesel engine cooling system for engineering machinery Download PDFInfo
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- CN112253326A CN112253326A CN202011129424.XA CN202011129424A CN112253326A CN 112253326 A CN112253326 A CN 112253326A CN 202011129424 A CN202011129424 A CN 202011129424A CN 112253326 A CN112253326 A CN 112253326A
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- heat
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- cylinder
- heat dissipation
- diesel engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/004—Cylinder liners
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/24—Cylinder heads
- F02F1/26—Cylinder heads having cooling means
- F02F1/36—Cylinder heads having cooling means for liquid cooling
- F02F1/40—Cylinder heads having cooling means for liquid cooling cylinder heads with means for directing, guiding, or distributing liquid stream
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a diesel engine cooling system for engineering machinery, which comprises a cylinder sleeve and a cylinder cover, wherein a first heat absorption pipe is spirally wound on the outer wall of the cylinder sleeve, a second heat absorption pipe is fixedly embedded in the cylinder cover, one end of each of the first heat absorption pipe and the second heat absorption pipe is connected with the output end of a first water pump, and the other end of each of the first heat absorption pipe and the second heat absorption pipe is connected with the input end of a filter box. Has the advantages that: can heat up the conduction oil by the electrical heating piece when external environment temperature is lower, thereby can make the cylinder liner heat up fast, make the diesel engine can very fast start, and the freezing point of conduction oil is lower, difficult freezing, can monitor the temperature of conduction oil and cylinder liner moreover, thereby can be according to the radiating efficiency of time temperature control of cylinder liner, make the radiating efficiency can with the actual temperature phase-match of cylinder liner.
Description
Technical Field
The invention relates to the field of diesel engine cooling systems, in particular to a diesel engine cooling system for engineering machinery.
Background
The existing diesel engine cooling system almost adopts cooling water for circulating cooling, the temperature of inlet and outlet water is maintained between 80-95 ℃, and the cooling water is in a non-boiling state. The system mainly comprises a water pump, an oil cooler (cooling oil), an air compressor, a supercharger, a cylinder body (or cylinder sleeve), a cylinder cover, a thermostat, a radiator, a water tank, a connecting pipeline and the like according to the circulating parts of cooling water. The water pump is a circulating power source, the thermostat controls the circulation, and the radiator gives off heat to cooling water from the oil cooler (cooling engine oil), the air compressor, the supercharger, the cylinder body (or the cylinder sleeve) and the cylinder cover to maintain the temperature stability of the system.
However, the existing diesel engine cooling system has several disadvantages as follows:
1. when the external environment is low in winter, the temperature of the cylinder sleeve is slowly increased, so that the diesel engine is difficult to normally start;
2. when the external environment is lower than 0 ℃ in winter, cooling water in the cooling system is easy to condense into ice, so that the whole cooling system is paralyzed and is difficult to recover;
3. the existing cooling system has poor cooling effect and cannot automatically adjust the cooling effect according to the real-time temperature of the cylinder sleeve.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
The invention aims to provide a cooling system of a diesel engine for engineering machinery, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cooling system of a diesel engine for engineering machinery comprises a cylinder sleeve and a cylinder cover, wherein a first heat absorption pipe is spirally wound on the outer wall of the cylinder sleeve, a second heat absorption pipe is fixedly embedded in the cylinder cover, one end of the first heat absorption pipe and one end of the second heat absorption pipe are both connected with the output end of a first water pump, the other end of the first heat absorption pipe and the other end of the second heat absorption pipe are both connected with the input end of a filter box, the input end of the first water pump is connected with a heat dissipation pipe through a first guide pipe, a heat dissipation device is arranged below the heat dissipation pipe, one end, away from the first water pump, of the heat dissipation pipe is connected with a heat conduction oil tank through a second guide pipe, the output end of the filter box is connected with the heat conduction oil tank through a third guide pipe, a plurality of heat dissipation fins are fixedly embedded in the middle of the upper wall of the heat conduction, the improved oil-water separator is characterized in that a first sealing cover is in threaded connection with the upper end of the liquid adding opening, a first heat dissipation fan is fixedly arranged in the rectangular frame through a first connecting rod, a plurality of first atomizing nozzles are fixedly embedded in the upper wall of the rectangular frame, the first atomizing nozzles are connected with the output end of a second water pump through a water pipe, the input end of the second water pump is connected with a water tank, a water adding opening is formed in the water tank, a second sealing cover is in threaded connection with the water adding opening, a plurality of electric heating blocks are fixedly arranged at the bottom end of the heat transfer oil tank, a first temperature sensor is fixedly arranged on the inner wall of one side of the heat transfer oil tank, a second temperature sensor is fixedly arranged on the inner wall of the first guide pipe, a third temperature sensor is fixedly arranged on the outer wall of the cylinder sleeve, a display screen, a processor and a temperature adjusting, The electric heating block, the first heat dissipation fan, the display screen and the temperature adjustment knob are electrically connected with the processor.
Furthermore, the number of the second heat absorption pipes is three and the second heat absorption pipes are arranged in parallel.
Further, heat abstractor includes the drum, the cooling tube is fixed drum upper end inner wall, the cooling tube is snakelike setting, drum lower extreme inner wall is through the fixed second heat dissipation fan that is equipped with of a plurality of second connecting rods, the second heat dissipation fan with treater electric connection.
Furthermore, the cylinder middle part is fixedly embedded with four second atomizer nozzles at equal intervals along the circumferential direction, and the second atomizer nozzles are connected with the output end of the second water pump through water pipes.
Further, the drum is fixed with the socle that quantity is four along circumferencial direction equidistant down, all fixed mounting panel that is equipped with under the socle, the mounting hole has all been seted up at four angles of mounting panel.
Furthermore, a first valve is arranged in the middle of the third guide pipe, one end, close to the filter box, of the third guide pipe is connected with a liquid discharge pipe, and a second valve is arranged in the middle of the liquid discharge pipe.
Furthermore, the water tank with the heat conduction oil tank openly all is equipped with visual window.
Further, the heat radiating fins and the heat radiating pipe are both made of pure copper materials.
Furthermore, the filter box is fixedly provided with a cover plate through bolts, a sealing gasket is fixedly arranged below the cover plate, a filter screen is fixedly arranged in the filter box, and the filter screen is obliquely arranged.
Furthermore, the first atomizer with the second atomizer with the water pipe between the second water pump is close to second water pump one end mid-mounting has the electromagnetism choke valve, the electromagnetism choke valve with treater electric connection.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, by arranging the cylinder sleeve, the cylinder cover, the first heat absorption pipe, the second heat absorption pipe, the heat dissipation pipe, the heat conduction oil tank, the heat dissipation plate, the first heat dissipation fan, the first atomization nozzle, the water tank, the first water pump, the second water pump, the electric heating block, the first temperature sensor, the second temperature sensor, the third temperature sensor, the display screen, the processor and the temperature adjustment knob, when the external environment temperature is lower, the heat conduction oil can be heated by the electric heating block, so that the cylinder sleeve can be quickly heated, the diesel engine can be quickly started, the freezing point of the heat conduction oil is lower, the freezing is difficult, the temperatures of the heat conduction oil and the cylinder sleeve can be monitored, the heat dissipation efficiency can be adjusted according to the time temperature of the cylinder sleeve, and the heat dissipation efficiency can be matched with.
(2) According to the invention, by arranging the cylinder, the heat dissipation fan and the second atomization nozzle, water can be sprayed to the surface of the heat dissipation pipe, and the air flow is accelerated by using the second heat dissipation fan, so that the heat of the heat dissipation pipe can be taken away by accelerating the evaporation of water, and the heat dissipation efficiency of the heat dissipation pipe can be greatly increased.
(3) The cylinder can be erected by arranging the socles, the mounting plate and the mounting holes, so that air can enter the cylinder from the lower end of the cylinder, and the mounting plate and the mounting holes can be used for mounting and fixing the socles.
(4) According to the invention, through arranging the first valve, the drain pipe and the second valve, when the heat conduction oil is replaced, the second valve is opened and the first valve is closed, the first water pump is started to discharge the heat conduction oil in the heat conduction oil tank from the drain pipe, and thus, new heat conduction oil can be added from the liquid feeding port.
(5) The visual window is arranged, so that the liquid level in the water tank and the liquid level in the heat-conducting oil tank can be conveniently and visually observed.
(6) According to the invention, the cover plate, the sealing gasket and the filter screen are arranged, so that particle type impurities in the heat conduction oil can be filtered by the filter screen, and the sealing performance between the cover plate and the filter box can be improved by the sealing gasket.
(7) According to the invention, the electromagnetic throttle valve is arranged, so that the processor can automatically adjust the flow of the first atomizing nozzle and the flow of the second atomizing nozzle according to the real-time temperature of the hydraulic oil in the first guide pipe, the temperature of the heat conduction oil after heat dissipation can be adjusted, and the heat dissipation efficiency of the heat dissipation pipe and the heat dissipation fins can be adjusted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a diesel engine cooling system for construction machinery according to an embodiment of the invention;
fig. 2 is a sectional view of a heat transfer oil tank in a cooling system of a diesel engine for construction machinery according to an embodiment of the present invention;
fig. 3 is a sectional view of a cylinder head in a cooling system of a diesel engine for construction machinery according to an embodiment of the present invention;
fig. 4 is a sectional view of a cylinder in a cooling system of a diesel engine for construction machinery according to an embodiment of the present invention;
fig. 5 is a plan view of a cylinder and a radiating pipe in a diesel engine cooling system for construction machinery according to an embodiment of the present invention;
fig. 6 is a sectional view of a filter box in a cooling system of a diesel engine for construction machinery according to an embodiment of the present invention.
Reference numerals:
1. a cylinder liner; 2. a cylinder cover; 3. a first heat absorption pipe; 4. a second heat absorption pipe; 5. a first water pump; 6. a filter box; 7. a first conduit; 8. a radiating pipe; 9. a second conduit; 10. a heat-conducting oil tank; 11. a third conduit; 12. a heat sink; 13. a rectangular frame; 14. a liquid filling port; 15. a first sealing cover; 16. a first connecting rod; 17. a first heat dissipation fan; 18. a first atomizer; 19. a second water pump; 20. a water tank; 21. a water filling port; 22. a second sealing cover; 23. an electrical heating block; 24. a first temperature sensor; 25. a second temperature sensor; 26. a third temperature sensor; 27. a display screen; 28. a processor; 29. a temperature adjusting knob; 30. a cylinder; 31. a second connecting rod; 32. a second heat dissipation fan; 33. a second atomizer; 34. a socle; 35. mounting a plate; 36. a first valve; 37. a liquid discharge pipe; 38. a second valve; 39. a visible window; 40. a cover plate; 41. a gasket; 42. a filter screen; 43. an electromagnetic throttle valve.
Detailed Description
The invention is further described with reference to the following drawings and detailed description:
the first embodiment is as follows:
referring to fig. 1-6, a diesel engine cooling system for engineering machinery according to an embodiment of the present invention includes a cylinder sleeve 1 and a cylinder cover 2, a first heat absorption pipe 3 is spirally wound on an outer wall of the cylinder sleeve 1, a second heat absorption pipe 4 is fixedly embedded in the cylinder cover 2, one end of each of the first heat absorption pipe 3 and the second heat absorption pipe 4 is connected to an output end of a first water pump 5, the other end of each of the first heat absorption pipe 3 and the second heat absorption pipe 4 is connected to an input end of a filter box 6, the input end of the first water pump 5 is connected to a heat dissipation pipe 8 through a first conduit 7, a heat dissipation device is disposed under the heat dissipation pipe 8, one end of the heat dissipation pipe 8, which is far away from the first water pump 5, is connected to a heat conduction oil tank 10 through a second conduit 9, the output end of the filter box 6 is connected to the heat conduction oil tank 10 through a third conduit 11, a plurality of heat dissipation fins 12 are fixedly, a rectangular frame 13 is fixedly arranged on one side of the upper end of the heat-conducting oil tank 10, a liquid filling opening 14 is fixedly arranged on the other side of the upper end of the heat-conducting oil tank 10, a first sealing cover 15 is connected to the upper end of the liquid filling opening 14 through threads, a first heat dissipation fan 17 is fixedly arranged in the rectangular frame 13 through a first connecting rod 16, a plurality of first atomizing nozzles 18 are fixedly embedded on the upper wall of the rectangular frame 13, the first atomizing nozzles 18 are connected with the output end of a second water pump 19 through water pipes, the input end of the second water pump 19 is connected with a water tank 20, a water filling opening 21 is arranged on the water tank 20, a second sealing cover 22 is fixedly connected to the water filling opening 21 through threads, a plurality of electric heating blocks 23 are fixedly arranged at the bottom end of the heat-conducting oil tank 10, a first temperature sensor 24 is fixedly arranged on the inner wall of one side of the heat-conducting oil tank 10, a second, the fixed display screen 27, treater 28 and the adjust the temperature knob 29 that is equipped with of heat conduction oil tank 10 outer wall, first temperature sensor 24 second temperature sensor 25 third temperature sensor 26 the electrical heating piece 23 first heat dissipation fan 17 the display screen 27 with adjust the temperature knob 29 all with treater 28 electric connection.
According to the scheme of the invention, when the external environment temperature is low, the electric heating block 23 is used for heating up the heat conduction oil, so that the cylinder sleeve 1 can be quickly heated up, the diesel engine can be quickly started, the freezing point of the heat conduction oil is lower, the heat conduction oil is not easy to freeze, the temperature of the heat conduction oil and the temperature of the cylinder sleeve 1 can be monitored, the heat dissipation efficiency can be adjusted according to the time temperature of the cylinder sleeve 1, and the heat dissipation efficiency can be matched with the actual temperature of the cylinder sleeve 1.
Example two:
referring to fig. 1, 3, 4 and 5, for the second heat absorbing pipes 4, the number of the second heat absorbing pipes 4 is three and the second heat absorbing pipes are arranged in parallel; for the heat dissipation device, the heat dissipation device includes a cylinder 30, the heat dissipation tube 8 is fixed on the inner wall of the upper end of the cylinder 30, the heat dissipation tube 8 is arranged in a serpentine shape, the inner wall of the lower end of the cylinder 30 is fixedly provided with a second heat dissipation fan 32 through a plurality of second connecting rods 31, and the second heat dissipation fan 32 is electrically connected with the processor 28; for the cylinder 30, four second atomizer nozzles 33 are fixedly embedded in the middle of the cylinder 30 at equal intervals along the circumferential direction, and the second atomizer nozzles 33 are connected with the output end of the second water pump 19 through water pipes; for the cylinder 30, four foot posts 34 are fixedly arranged at equal intervals along the circumferential direction under the cylinder 30, mounting plates 35 are fixedly arranged under the foot posts 34, and mounting holes are formed in four corners of each mounting plate 35.
Through the above-mentioned solution of the present invention, water can be sprayed onto the surface of the heat pipe 8, and the second heat dissipation fan 32 is used to accelerate the air flow, so that the evaporation of water can be accelerated to take away the heat of the heat pipe 8, and the heat dissipation efficiency of the heat pipe 8 can be greatly increased, the column 34 can make the cylinder 30 overhead, so that air can enter the cylinder 30 from the lower end of the cylinder 30, and the mounting plate 35 and the mounting hole can be used for mounting and fixing the column 34.
Example three:
referring to fig. 1 and 5, for the third conduit 11, a first valve 36 is installed in the middle of the third conduit 11, a drain pipe 37 is connected to one end of the third conduit 11 close to the filter tank 6, and a second valve 38 is installed in the middle of the drain pipe 37; for the water tank 20, the front surfaces of the water tank 20 and the heat-conducting oil tank 10 are provided with visible windows 39; as for the radiating fin 12, both the radiating fin 12 and the radiating pipe 8 are made of pure copper material.
Through the scheme of the invention, when the heat conduction oil is replaced, the second valve 38 is opened, the first valve 36 is closed, the first water pump 5 is started, the heat conduction oil in the heat conduction oil tank 10 can be discharged from the liquid discharge pipe 37, so that new heat conduction oil can be added from the liquid filling opening 14, and the visible window 39 can be used for conveniently and visually observing the liquid levels in the water tank 20 and the heat conduction oil tank 10.
Example four:
referring to fig. 1 and 6, for the filter box 6, a cover plate 40 is fixedly arranged on the filter box 6 through bolts, a sealing gasket 41 is fixedly arranged below the cover plate 40, a filter screen 42 is fixedly arranged in the filter box 6, and the filter screen 42 is obliquely arranged; for the water pipe, an electromagnetic throttle valve 43 is installed in the middle of one end of the water pipe between the first atomizer 18 and the second atomizer 33 and the second water pump 19, which is close to the second water pump 19, and the electromagnetic throttle valve 43 is electrically connected with the processor 28.
Through the scheme of the invention, the filter screen 42 can be used for filtering particle type impurities in the heat conduction oil, and the sealing gasket 41 can increase the sealing performance between the cover plate 40 and the filter box 6, so that the processor 28 can automatically adjust the flow rates of the first atomizing nozzle 18 and the second atomizing nozzle 33 according to the real-time temperature of the hydraulic oil in the first guide pipe 7, the temperature of the heat conduction oil after heat dissipation can be adjusted, and the heat dissipation efficiency of the heat dissipation pipe 8 and the heat dissipation fins 12 can be adjusted.
For the convenience of understanding the technical solutions of the present invention, the following detailed description will be made on the working principle or the operation mode of the present invention in the practical process.
In practical application, the heat conduction oil is alkyl diphenyl ether type heat conduction oil, the first temperature sensor 24 can detect the temperature of the heat conduction oil in the heat conduction oil tank 10, the second temperature sensor 25 can insist on the temperature of the heat conduction oil in the first guide pipe 7, the third temperature sensor 26 can detect the temperature of the outer wall of the cylinder sleeve 1, when the external environment temperature is lower in winter, the heating power of the electric heating block 23 can be adjusted through the temperature adjusting knob 29, so that the heat conduction oil in the heat conduction oil tank 10 can be heated, then the first water pump 5 is started, the heated heat conduction oil can be sent into the first heat absorption pipe 3 and the second heat absorption pipe 4 to preheat the cylinder sleeve 1 and the cylinder cover 2, the temperature of the cylinder sleeve 1 and the cylinder cover 2 can be rapidly increased, so that the diesel engine can be rapidly started when the external environment is lower, the freezing point of the heat conduction oil is lower, after the diesel engine is started, the electric heating block 23 can be closed, the first heat dissipation fan 17, the second heat dissipation fan 32 and the second water pump 19 are started, the first water pump 5 can enable heat conduction oil to continue to circulate, the heat of the cylinder sleeve 1 and the cylinder cover 2 can be absorbed by the heat conduction oil, the heat conduction oil in the heat conduction oil tank 10 can be absorbed by the heat dissipation fins 12, the air flow near the upper ends of the heat dissipation fins 12 can be accelerated by the first heat dissipation fan 17, water can be sprayed onto the heat dissipation fins 12 by the first atomizing nozzle 18, the heat dissipation of the heat dissipation fins 12 can be accelerated by the evaporation of the water, the water can be sprayed onto the surfaces of the heat dissipation tubes 8, the air flow can be accelerated by the second heat dissipation fan 32, the heat of the heat dissipation tubes 8 can be accelerated by the evaporation of the water, the heat dissipation efficiency of the heat dissipation tubes 8 can be greatly increased, and the processor 28 can adjust the rotating speed of the first cooling fan 17 and the second cooling fan 32 in real time according to the temperature of the cylinder sleeve 1, so as to adjust the cooling efficiency according to the time temperature of the cylinder sleeve 1, so that the cooling efficiency can be matched with the actual temperature of the cylinder sleeve 1, the pillars 34 can make the cylinder 30 overhead, so that the air can enter the cylinder 30 from the lower end of the cylinder 30, the mounting plate 35 and the mounting holes can be used for mounting and fixing the pillars 34, when the heat conduction oil is replaced, the second valve 38 is opened and the first valve 36 is closed, the first water pump 5 is started to discharge the heat conduction oil in the heat conduction oil tank 10 from the liquid discharge pipe 37, so that new heat conduction oil can be added from the liquid filling opening 14, the visible window 39 can facilitate visual observation of the liquid level in the water tank 20 and the heat conduction oil tank 10, and can filter particle type impurities in the heat conduction oil by using the, and the sealing gasket 41 can increase the sealing performance between the cover plate 40 and the filter box 6, so that the processor 28 can automatically adjust the flow rate of the first atomizer 18 and the second atomizer 33 according to the real-time temperature of the hydraulic oil in the first conduit 7, thereby adjusting the temperature of the heat-conducting oil after heat dissipation, and adjusting the heat dissipation efficiency of the heat dissipation pipe 8 and the heat dissipation fins 12.
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 (10)
1. The diesel engine cooling system for the engineering machinery is characterized by comprising a cylinder sleeve (1) and a cylinder cover (2), wherein a first heat absorption pipe (3) is spirally wound on the outer wall of the cylinder sleeve (1), a second heat absorption pipe (4) is fixedly embedded in the cylinder cover (2), one end of the first heat absorption pipe (3) and one end of the second heat absorption pipe (4) are both connected with the output end of a first water pump (5), the other end of the first heat absorption pipe (3) and the other end of the second heat absorption pipe (4) are both connected with the input end of a filter box (6), the input end of the first water pump (5) is connected with a heat dissipation pipe (8) through a first guide pipe (7), a heat dissipation device is arranged below the heat dissipation pipe (8), one end, far away from the first water pump (5), of the heat dissipation pipe (8) is connected with a heat conduction oil tank (10) through a second guide pipe (9), and the output end of the filter box (6) is connected with the heat conduction oil tank, the heat-conducting oil tank is characterized in that a plurality of radiating fins (12) are fixedly embedded in the middle of the upper wall of the heat-conducting oil tank (10), the radiating fins (12) are arranged in parallel, a rectangular frame (13) is fixedly arranged on one side of the upper end of the heat-conducting oil tank (10), a liquid filling opening (14) is fixedly arranged on the other side of the upper end of the heat-conducting oil tank (10), a first sealing cover (15) is in threaded connection with the upper end of the liquid filling opening (14), a first radiating fan (17) is fixedly arranged in the rectangular frame (13) through a first connecting rod (16), a plurality of first atomizing nozzles (18) are fixedly embedded in the upper wall of the rectangular frame (13), the first atomizing nozzles (18) are connected with the output end of a second water pump (19) through water pipes, the input end of the second water pump (19) is connected with a water tank (20), a water filling opening (21, heat-conducting oil tank (10) bottom mounting is equipped with a plurality of electrical heating piece (23), heat-conducting oil tank (10) one side inner wall is fixed and is equipped with first temperature sensor (24), first pipe (7) inner wall is fixed and is equipped with second temperature sensor (25), cylinder liner (1) outer wall is fixed and is equipped with third temperature sensor (26), heat-conducting oil tank (10) outer wall is fixed and is equipped with display screen (27), treater (28) and adjust the temperature knob (29), first temperature sensor (24) second temperature sensor (25) third temperature sensor (26) electrical heating piece (23) first heat dissipation fan (17) display screen (27) with adjust the temperature knob (29) all with treater (28) electric connection.
2. The cooling system of a diesel engine for construction machinery according to claim 1, wherein the number of the second heat absorbing pipes (4) is three and the pipes are arranged in parallel.
3. The diesel engine cooling system for construction machinery as claimed in claim 1, wherein the heat dissipation device comprises a cylinder (30), the heat dissipation pipe (8) is fixed on the inner wall of the upper end of the cylinder (30), the heat dissipation pipe (8) is disposed in a serpentine shape, a second heat dissipation fan (32) is fixed on the inner wall of the lower end of the cylinder (30) through a plurality of second connection rods (31), and the second heat dissipation fan (32) is electrically connected with the processor (28).
4. The diesel engine cooling system for engineering machinery as set forth in claim 3, wherein four second atomizer nozzles (33) are fixedly embedded in the middle of the cylinder (30) at equal intervals along the circumferential direction, and the second atomizer nozzles (33) are connected with the output end of the second water pump (19) through water pipes.
5. The cooling system of the diesel engine for the engineering machinery, according to claim 4, is characterized in that four legs (34) are fixedly arranged under the cylinder (30) at equal intervals along the circumferential direction, mounting plates (35) are fixedly arranged under the legs (34), and mounting holes are formed in four corners of each mounting plate (35).
6. The cooling system of the diesel engine for the engineering machinery is characterized in that a first valve (36) is arranged in the middle of the third guide pipe (11), a drain pipe (37) is connected to one end, close to the filter box (6), of the third guide pipe (11), and a second valve (38) is arranged in the middle of the drain pipe (37).
7. The cooling system of the diesel engine for the engineering machinery is characterized in that the front faces of the water tank (20) and the heat-conducting oil tank (10) are provided with visual windows (39).
8. The cooling system of a diesel engine for construction machinery according to claim 1, wherein said heat radiating fins (12) and said heat radiating pipes (8) are made of pure copper material.
9. The diesel engine cooling system for engineering machinery according to claim 1, wherein a cover plate (40) is fixedly arranged on the filter box (6) through bolts, a sealing gasket (41) is fixedly arranged below the cover plate (40), a filter screen (42) is fixedly arranged in the filter box (6), and the filter screen (42) is obliquely arranged.
10. The diesel engine cooling system for engineering machinery as set forth in claim 4, characterized in that an electromagnetic throttle valve (43) is installed in the middle of one end of the water pipe between the first atomizer (18) and the second atomizer (33) and the second water pump (19) close to the second water pump (19), and the electromagnetic throttle valve (43) is electrically connected with the processor (28).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011129424.XA CN112253326A (en) | 2020-10-21 | 2020-10-21 | Diesel engine cooling system for engineering machinery |
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|---|---|---|---|
| CN202011129424.XA CN112253326A (en) | 2020-10-21 | 2020-10-21 | Diesel engine cooling system for engineering machinery |
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| CN112253326A true CN112253326A (en) | 2021-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606052A (en) * | 2021-08-23 | 2021-11-05 | 许玉金 | Ventilation and heat dissipation structure for heat dissipation of motorcycle cylinder head and heat dissipation method thereof |
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| CN203685363U (en) * | 2014-01-24 | 2014-07-02 | 河南省树民动力机械制造有限公司 | Liquid dual cycle cooling system of motorcycle engine |
| CN207920731U (en) * | 2018-02-27 | 2018-09-28 | 佛山市众益联汽车零部件有限公司 | A kind of valve-chamber cover being easily installed |
| CN208778075U (en) * | 2018-07-16 | 2019-04-23 | 河北工业大学 | Use the intelligent cylinder sleeve heat management system of lubricating oil |
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| CN210003352U (en) * | 2019-03-25 | 2020-01-31 | 潍柴动力股份有限公司 | Auxiliary supply device for engine |
| CN210317461U (en) * | 2019-05-30 | 2020-04-14 | 李明珠 | Novel fuel cooling and heat dissipating system of engine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113606052A (en) * | 2021-08-23 | 2021-11-05 | 许玉金 | Ventilation and heat dissipation structure for heat dissipation of motorcycle cylinder head and heat dissipation method thereof |
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