CN203515763U - Hydraulic drive cooling fan - Google Patents
Hydraulic drive cooling fan Download PDFInfo
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- CN203515763U CN203515763U CN201320689935.6U CN201320689935U CN203515763U CN 203515763 U CN203515763 U CN 203515763U CN 201320689935 U CN201320689935 U CN 201320689935U CN 203515763 U CN203515763 U CN 203515763U
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- cooling fan
- quantitative gear
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Abstract
The utility model provides a hydraulic drive cooling fan. A transmission shaft of a quantitative gear pump is connected with a power take port of an internal combustion engine, an inlet of the quantitative gear pump is communicated with a hydraulic oil tank, an outlet of the quantitative gear pump is communicated with an inlet of a quantitative gear motor, a transmission shaft of the quantitative gear motor is connected a cooling fan, a tee is arranged between the outlet of the quantitative gear pump and the inlet of the quantitative gear motor and is communicated with an inlet of a multistage pressure regulating electromagnetic overflow valve, an outlet of the quantitative gear motor is communicated with an inlet of a hydraulic oil cooling radiator, a tee is arranged between the outlet of the quantitative gear pump and the inlet of the hydraulic oil cooling radiator and is communicated with an outer of the multistage pressure regulating electromagnetic overflow valve, and an outlet of the hydraulic oil cooling radiator is communicated with the hydraulic oil tank. A low-price multistage speed regulating hydraulic drive cooling fan system for the internal combustion engine is provided, multistage rotation speeds can be matched according to different working conditions and environment temperatures of the internal combustion engine, so that the internal combustion engine can obtain the optimal cooling water temperature under different working conditions and at different environment temperatures, fault-free operation time of the internal combustion engine is effectively prolonged, and pollutant discharge is reduced.
Description
Technical field
The utility model relates to a kind of hydraulic driving cooling fan, particularly multistep speed regulation hydraulic driving cooling fan system for a kind of internal-combustion engine.
Background technique
Existing internal-combustion engine has with cooling fan drive form: belt directly drives, belt+silicon oil clutch or magnetic clutch driving, the transmission+magnetic clutch driving of belt+angle, hydraulic driving, motor driving etc.; Wherein belt directly drives, belt+silicon oil clutch or magnetic clutch drive, belt+angle transmission+magnetic clutch drives application more, these several drivings are except belt directly drives, all the other two kinds of drivings all can realize 2 to 3 speed control systems, cooling water of internal combustion engine temperature is substantially controlled, but because velocity variations is less, need constantly between high low speed, to switch, internal-combustion engine is difficult to turn round at the temperature of reasonably stability, and mounting point is limit by the kind of drive, arbitrarily layout is had relatively high expectations to installation precision; Part high-grade bus and import engineering vehicle adopt hydraulic driving cooling fan, arbitrarily layout stepless change, can accurately control cooling water temperature, can make internal-combustion engine turn round at the temperature of reasonably stability, effects of energy saving and emission reduction is obvious, is the very good cooling scheme of internal-combustion engine cooling system; This type of hydraulically driven fan mostly consists of core components such as Variable plunger pump, proportional electromagnetic valve, quantitative gear motor, ECU controllers; These core component prices are very expensive, be that belt directly drives, belt+silicon oil clutch or magnetic clutch drives, belt+angle transmission+magnetic clutch drives price 8 to more than 20 times.From known cooling water of internal combustion engine optimum water temperature region: 88 degrees Celsius-98 degrees Celsius, internal-combustion engine mates the hydraulic driving cooling fan of 10 grades of rotating speeds under different operating modes and ambient temperature, can coolant-temperature gage be realized accurately and being controlled; After coupling multistep speed regulation hydraulic driving cooling fan system, Variable plunger pump, proportional electromagnetic valve, ECU controller can not fill, and so just can significantly reduce system cost, are conducive to applying of hydraulic driving cooling fan system.
Summary of the invention
The purpose of this utility model is to provide multistep speed regulation hydraulic driving cooling fan system for a kind of cheap internal-combustion engine, this system can be mated according to internal-combustion engine 10 grades of rotating speeds under different operating modes and ambient temperature, make internal-combustion engine under different operating modes and ambient temperature, obtain best cooling water temperature, effectively extend internal-combustion engine and reduce pollutant emission Mean time to failure.
The purpose of this utility model is achieved in that the transmission shaft of a quantitative gear pump is connected with internal-combustion engine power taking mouth, the import of quantitative gear pump communicates with hydraulic oil container, the outlet of quantitative gear pump communicates with a quantitative gear motor import, quantitatively the transmission shaft of gear motor is connected with cooling fan, between quantitative gear pump outlet and quantitative gear motor import, there is a threeway to communicate with the import of multi-stage pressure regulating electromagnetic relief valve, quantitatively gear motor outlet communicates with the import of hydraulic oil cold heat sink, quantitatively between gear motor outlet and the import of hydraulic oil cold heat sink, there is a threeway to export and communicate with multi-stage pressure regulating electromagnetic relief valve, the outlet of hydraulic oil cold heat sink communicates with hydraulic oil container, above-mentioned hydraulic element form multistep speed regulation oil hydraulic circuit, it is adjustable that wherein multi-stage pressure regulating electromagnetic relief valve has 10 stage pressures, every stage pressure joins with 10 corresponding temperature-sensitive magnetic-control switchs from low to high, temperature-sensitive magnetic-control switch is arranged between water-filled radiator import and cooling water of internal combustion engine outlet, when cooling water of internal combustion engine temperature from low to high, reach the minimum temperature in optimum water temperature region, while being the temperature control point of first temperature-sensitive magnetic-control switch, temperature-sensitive magnetic-control switch is connected the first order pressure solenoid valve in 10 stage pressures, by solenoid valve, connect the first order pressure in relief valve, make quantitative gear motor drive cooling fan to reach first order rotating speed, until internal-combustion engine water temperature from low to high, reach the maximum temperature in optimum temperature region, correspondingly connect every first class pressure in 10 stage pressures from low to high until maximum pressure, make quantitative gear motor drive cooling fan to reach maximum speed, when system is during due to fault power-off, quantitatively gear motor turns round with maximum speed.
The utility model compared with prior art, there is following apparent substantive features and advantage: owing to having cancelled Variable plunger pump, proportional electromagnetic valve, ECU controller, thereby significantly reduced the cost of whole cooling system, and then simplified the complexity of whole cooling system, increased the reliability of whole cooling system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of multistep speed regulation hydraulic driving cooling fan system for internal-combustion engine.
Embodiment
Below in conjunction with accompanying drawing, mode of execution of the present utility model is described further.
In Fig. 1: 1. inlet oil filter, 2. quantitative gear pump, 3. internal-combustion engine, 4. the 10th stage pressure relief valve, 5. the 9th stage pressure relief valve, 6. the 8th stage pressure relief valve, 7. the 7th stage pressure relief valve, 8. the 1st stage pressure relief valve, 9. the 6th stage pressure relief valve, 10. the 5th stage pressure relief valve, 11. the 4th stage pressure relief valves, 12. 3rd level Pressure relief valves, 13. the 2nd stage pressure relief valves, 14. quantitative gear motors, 15. oil cooling radiators, 16. fuel tanks, yv1. a solenoid valve, yv2. No. two solenoid valves, yv3. No. three solenoid valves, yv4. No. four solenoid valves, yv5. No. five solenoid valves.
In Fig. 1, internal-combustion engine 3 starts, drive quantitative gear pump 2, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, enter the 10th stage pressure relief valve 4, bleed off circuit through the 10th stage pressure relief valve 4 enters solenoid valve yv1 No. one, the right position oil circuit of a solenoid valve yv1 is connected, hydraulic oil enters solenoid valve yv2 No. two through the right position of a solenoid valve yv1 oil circuit, through No. two solenoid valve yv2 meta oil circuits and oil cooling radiator 15, flow back to fuel tank 16, now the main valve plug of the 10th stage pressure relief valve 4 is opened completely, hydraulic system does not have pressure, quantitatively gear motor 14 does not rotate.
When engine cycle water temperature from low to high, while reaching the minimum one-level temperature control point in optimum water temperature region, the right position oil circuit of No. three solenoid valve yv3 is connected, a solenoid valve yv1 gets back to meta oil circuit simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of No. three solenoid valve yv3, the meta oil circuit of No. four solenoid valves, enter the 1st stage pressure relief valve 8, set pressure by the 1st stage pressure relief valve 8, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 1st stage pressure, quantitatively gear motor 14 drives cooling fan with first order rotation speed operation.
When engine cycle water temperature reaches the second level temperature control point in optimum water temperature region, the left position oil circuit of No. five solenoid valve yv5 is connected, No. three solenoid valve yv3 get back to meta oil circuit simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the left position oil circuit of No. five solenoid valve yv5, enter the 2nd stage pressure relief valve 13, set pressure by the 2nd stage pressure relief valve 13, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 2nd stage pressure, quantitatively gear motor 14 drives cooling fan with second level rotation speed operation.
When engine cycle water temperature reaches the third level temperature control point in optimum water temperature region, the right position oil circuit of No. five solenoid valve yv5 is connected, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of No. five solenoid valve yv5, enter 3rd level Pressure relief valve 12, set pressure by 3rd level Pressure relief valve 12, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains 3rd level pressure, and quantitatively gear motor 14 drives cooling fan with third level rotation speed operation.
When engine cycle water temperature reaches the fourth stage temperature control point in optimum water temperature region, the left position oil circuit of No. three solenoid valve yv3 is connected, No. five solenoid valve yv5 get back to meta oil circuit simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the left position oil circuit of No. three solenoid valve yv3, enter the 4th stage pressure relief valve 11, set pressure by the 4th stage pressure relief valve 11, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 4th stage pressure, quantitatively gear motor 14 drives cooling fan with fourth stage rotation speed operation.
When engine cycle water temperature reaches the level V temperature control point in optimum water temperature region, the right position oil circuit of No. three solenoid valve yv3 is connected, the left position oil circuit of No. four solenoid valve yv4 is connected simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of No. three solenoid valve yv3, the left position oil circuit of No. four solenoid valve yv4, enter the 5th stage pressure relief valve 10, set pressure by the 5th stage pressure relief valve 10, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 5th stage pressure, quantitatively gear motor 14 drives cooling fan with level V rotation speed operation.
When engine cycle water temperature reaches the 6th grade of temperature control point in optimum water temperature region, the right position oil circuit of No. three solenoid valve yv3 is connected, the right position oil circuit of No. four solenoid valve yv4 is connected simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of No. three solenoid valve yv3, the right position oil circuit of No. four solenoid valve yv4, enter the 6th stage pressure relief valve 9, set pressure by the 6th stage pressure relief valve 9, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 6th stage pressure, quantitatively gear motor 14 drives cooling fan with the 6th grade of rotation speed operation.
When engine cycle water temperature reaches the 7th grade of temperature control point in optimum water temperature region, the left position oil circuit of a solenoid valve yv1 is connected, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the left position oil circuit of a solenoid valve yv1, enter the 7th stage pressure relief valve 7, set pressure by the 7th stage pressure relief valve 7, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 7th stage pressure, and quantitatively gear motor 14 drives cooling fan with the 7th grade of rotation speed operation.
When engine cycle water temperature reaches the 8th grade of temperature control point in optimum water temperature region, the right position oil circuit of a solenoid valve yv1 is connected, the left position oil circuit of No. two solenoid valve yv2 is connected simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of a solenoid valve yv1, the left position oil circuit of No. two solenoid valve yv2, enter the 8th stage pressure relief valve 6, set pressure by the 8th stage pressure relief valve 6, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 8th stage pressure, quantitatively gear motor 14 drives cooling fan with the 8th grade of rotation speed operation.
When engine cycle water temperature reaches the 9th grade of temperature control point in optimum water temperature region, the right position oil circuit of a solenoid valve yv1 is connected, the right position oil circuit of No. two solenoid valve yv2 is connected simultaneously, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, the bleed off circuit of the 10th stage pressure relief valve 4, the right position oil circuit of a solenoid valve yv1, the right position oil circuit of No. two solenoid valve yv2, enter the 9th stage pressure relief valve 5, set pressure by the 9th stage pressure relief valve 5, the main valve plug aperture of controlling the 10th stage pressure relief valve 4 obtains the 9th stage pressure, quantitatively gear motor 14 drives cooling fan with the 9th grade of rotation speed operation.
When engine cycle water temperature reaches the temperature control point at the highest level in optimum water temperature region, a solenoid valve yv1, No. three solenoid valve yv3, No. five solenoid valve yv5 are in meta, hydraulic oil from fuel tank 16 through inlet oil filter 1 quantitative gear pump 2, directly act on the 10th stage pressure relief valve 4, hydraulic system reaches maximum pressure, and quantitatively gear motor 14 drives cooling fan with rotation speed operation at the highest level.
Claims (4)
1. a hydraulic driving cooling fan, in existing hydraulic driving cooling fan system, the transmission shaft of Variable plunger pump is connected with internal-combustion engine power taking mouth, the import of Variable plunger pump communicates with hydraulic oil container, the import of variable piston delivery side of pump oil hydraulic motor directly connects, the transmission shaft of oil hydraulic motor is connected with cooling fan, oil hydraulic motor outlet is directly connected with the import of hydraulic oil cold heat sink, the outlet of hydraulic oil cold heat sink communicates with hydraulic oil container, it is characterized in that: the transmission shaft of a quantitative gear pump is connected with internal-combustion engine power taking mouth, the outlet of quantitative gear pump communicates with a quantitative gear motor import, between quantitative gear pump outlet and quantitative gear motor import, there is a threeway to communicate with the import of multi-stage pressure regulating electromagnetic relief valve, quantitatively gear motor outlet communicates with the import of hydraulic oil cold heat sink, quantitatively between gear motor outlet and the import of hydraulic oil cold heat sink, there is a threeway to export and communicate with multi-stage pressure regulating electromagnetic relief valve.
2. hydraulic driving cooling fan according to claim 1, is characterized in that: each pressure regulator valve of multi-stage pressure regulating electromagnetic relief valve, is all integrated in a whole valve piece.
3. hydraulic driving cooling fan according to claim 1, is characterized in that: multi-stage pressure regulating electromagnetic relief valve has 10 stage pressures.
4. hydraulic driving cooling fan according to claim 1, it is characterized in that: multi-stage pressure regulating electromagnetic relief valve can be according to different applying working conditions and the ambient temperature of internal-combustion engine, different pressure progression is set, as being set to 3 stage pressures, 4 stage pressures, 5 stage pressures, 6 stage pressures, 7 stage pressures, 8 stage pressures, 9 stage pressures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689935.6U CN203515763U (en) | 2013-11-05 | 2013-11-05 | Hydraulic drive cooling fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320689935.6U CN203515763U (en) | 2013-11-05 | 2013-11-05 | Hydraulic drive cooling fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203515763U true CN203515763U (en) | 2014-04-02 |
Family
ID=50374707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320689935.6U Expired - Fee Related CN203515763U (en) | 2013-11-05 | 2013-11-05 | Hydraulic drive cooling fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203515763U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202163A (en) * | 2015-08-31 | 2015-12-30 | 三一重型能源装备有限公司 | Wind power gear box lubrication cooling system and wind turbine generator set |
| CN108506240A (en) * | 2018-04-27 | 2018-09-07 | 泰豪科技股份有限公司 | Hydraulic blower mechanism and blast regulation system |
-
2013
- 2013-11-05 CN CN201320689935.6U patent/CN203515763U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202163A (en) * | 2015-08-31 | 2015-12-30 | 三一重型能源装备有限公司 | Wind power gear box lubrication cooling system and wind turbine generator set |
| CN108506240A (en) * | 2018-04-27 | 2018-09-07 | 泰豪科技股份有限公司 | Hydraulic blower mechanism and blast regulation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140402 Termination date: 20161105 |