CN103089758A - Engineering machine and hydraulic oil cooling system thereof - Google Patents
Engineering machine and hydraulic oil cooling system thereof Download PDFInfo
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- CN103089758A CN103089758A CN2013100348903A CN201310034890A CN103089758A CN 103089758 A CN103089758 A CN 103089758A CN 2013100348903 A CN2013100348903 A CN 2013100348903A CN 201310034890 A CN201310034890 A CN 201310034890A CN 103089758 A CN103089758 A CN 103089758A
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Abstract
The invention discloses an engineering machine and a hydraulic oil cooling system of the engineering machine, wherein the hydraulic oil cooling system comprises a main radiator, a reversing valve and an auxiliary radiator. An oil outlet of the auxiliary radiator is connected with an oil returning oil box. An air inlet of the auxiliary radiator is connected with a cool air outlet of an air conditioning system of the engineering machine. A first end of the reversing valve is connected with an oil outlet of the main radiator. A second end of the reversing valve is connected with the oil returning oil box. A third end of the reversing valve is connected with an oil inlet of the auxiliary radiator. The first end of the reversing valve is communicated with the third end of the reversing valve when oil temperature of the oil outlet of the main radiator is higher than the preset temperature. The first end of the reversing valve is communicated with the second end of the reversing valve when oil temperature of the oil outlet of the main radiator is lower than the preset temperature. By means of the engineering machine and the hydraulic oil cooling system of the engineering machine, cold air of an air condition can exchange heat with oil liquid in the auxiliary radiator directly, thus hydraulic oil temperature falls rapidly. Cooling efficiency is high. The phenomenon of high-temperature and low efficiency of the engineering machine can be effectively avoided.
Description
Technical field
The present invention relates to engineering machinery field, particularly a kind of hydraulic oil cooling system, also relate to a kind of engineering machinery that comprises this hydraulic oil cooling system.
Background technique
At present, some engineering machinery adopt the form of single radiator that hydraulic oil is dispelled the heat.The power of its heat dissipation potential is subjected to the impact of operating ambient temperature and engine speed very large.Simultaneously, comprise the parts such as water-filled radiator, air intercooler, condenser due to radiator, its heat diffusion area is restricted, and then heat dispersion also has been subject to certain restriction.As for excavator, when ambient temperature was spent greater than 35, its work 1 can show the heat dissipation potential deficiency by 2 hours, caused occurring hydraulic fluid temperature and rose rapidly.Along with the rising of oil temperature, the working efficiency of excavator can descend, and also may cause the phenomenon of motor over-emitting black exhaust when serious, reduces the working life of complete machine.
Therefore, in the situation that how above-mentioned radiator performance deficiency effectively reduces the hydraulic oil oil temperature, be the problem that current those skilled in the art need to solve to improve complete machine working efficiency and working life.
Summary of the invention
Therefore, one object of the present invention is to provide a kind of simple and effective hydraulic oil cooling system.
Providing on the basis of above-mentioned hydraulic oil cooling system, the present invention also provides a kind of engineering machinery that comprises this hydraulic oil cooling system.
A kind of hydraulic oil cooling system of engineering machinery comprises main radiator, selector valve and additional cooler; The oil outlet of described additional cooler connects the oil return fuel tank; The intake grill of described additional cooler connects the cold air delivery outlet of the air-conditioning system of described engineering machinery; The first end of described selector valve connects the oil outlet of described main radiator, and the second end connects described oil return fuel tank, and the 3rd end connects the filler opening of described additional cooler; During higher than preset temperature, the first end of described selector valve is communicated with the 3rd end in the oil temperature of described main radiator oil outlet; During lower than described preset temperature, the first end of described selector valve is communicated with the second end in the oil temperature of described main radiator oil outlet.
Further, above-mentioned hydraulic oil cooling system also comprises the first flow modulating valve, and described first flow modulating valve is arranged on the cold air equipped at outlet port of described air-conditioning system.
Further, above-mentioned hydraulic oil cooling system also comprises the second adjustable valve, and described second adjustable valve is arranged on another cold air equipped at outlet port of described air-conditioning system.
Further, above-mentioned hydraulic oil cooling system also comprises: the temperature controlling device that is used for controlling according to the oil temperature of described main radiator oil outlet described selector valve commutation.
Further, described temperature controlling device is thermal switch; Perhaps
Described temperature controlling device comprises:
The temperature transducer that is used for the oil temperature of the described main radiator oil outlet of sensing; And
The oil temperature that is used for arriving according to described temperature sensor senses is controlled the controller of described selector valve commutation.
Further, above-mentioned hydraulic oil cooling system also comprises: motor ventilating fan, described motor ventilating fan is arranged on the hot-air outlet of described additional cooler.
Further, described thermal switch is connected with described motor ventilating fan, is used for controlling described motor ventilating fan according to the oil temperature of described main radiator oil outlet and gets electric or dead electricity.
Further, described controller is connected with described motor ventilating fan, is used for controlling described motor ventilating fan according to the oil temperature of described main radiator oil outlet and gets electric or dead electricity.
Hydraulic oil cooling system provided by the invention flows to additional cooler by utilizing selector valve to control hydraulic oil, and the cold air of the existing air-conditioning system of engineering machinery is inputed to additional cooler, so that cold air directly and the fluid in additional cooler carry out heat exchange, hydraulic fluid temperature is descended rapidly, cooling effectiveness is high, can effectively avoid the high temperature low effect phenomenon of engineering machinery.
Description of drawings
Fig. 1 is the structural representation of the hydraulic oil cooling system that provides of the embodiment of the present invention.
Embodiment
Describe the present invention below in conjunction with accompanying drawing, the description of this part is only exemplary and explanatory, should any restriction not arranged to protection scope of the present invention.In addition, those skilled in the art are according to the description of presents, can be to the respective combination mutually of the feature in embodiment in presents and different embodiment.
Please refer to Fig. 1, this figure is the structural representation of the hydraulic oil cooling system that provides of the embodiment of the present invention; This hydraulic oil cooling system comprises: selector valve 103 and additional cooler 105; The oil outlet of additional cooler 105 connects oil return fuel tank 107; The first end of selector valve 103 connects the oil outlet of main radiator 101, and the second end connects the filler opening that oil return fuel tank 107, the three ends connect additional cooler 105; During higher than preset temperature, the first end of selector valve 103 is communicated with the 3rd end in the oil temperature of main radiator 101 oil outlets; During lower than this preset temperature, the first end of selector valve 103 is communicated with the second end in the oil temperature of the oil outlet of main radiator 101.Be the situation of this preset temperature for oil temperature, its processing mode can arrange according to actual needs, and the first end that selector valve 103 namely can be set when this preset temperature is communicated with the 3rd end or first end that selector valve 103 is set is communicated with the second end.Simultaneously, for the cold air that effectively utilizes the existing air-conditioning system of engineering machinery dispels the heat, the intake grill of additional cooler 105 connects the cold air delivery outlet A of the air-conditioning system of engineering machinery.During specific operation, above-mentioned air-conditioning system can be for the various existing air-conditioning system in engineering machinery, as the air-conditioning system of operator cabin; The type of this selector valve 103 can arrange as required, as two position, three-way electromagnetic change valve.
By the auxiliary heat dissipation branch road that is made of above-mentioned selector valve 103 and additional cooler 105 is set, realized the high-temperature liquid force feed being carried out the secondary heat radiation in the situation that do not affect existing main radiator 101 work; Simultaneously, take full advantage of the air-conditioning system in engineering machinery, change littlely, cooling effectiveness is high.
Preferably, hydraulic oil cooling system also comprises first flow modulating valve 109a, and first flow modulating valve 109a is arranged at the cold air delivery outlet A of above-mentioned air-conditioning system.By the setting of first flow modulating valve 109a, the cold air that can regulate easily air-conditioning system leads to the flow of additional cooler 105, and then regulates the intensity of cooling of 105 pairs of hydraulic oil of additional cooler.During specific operation, vaporizer 201 in above-mentioned air-conditioning system may comprise a plurality of cold air delivery outlets, the cold air delivery outlet A that is used to additional cooler 105 output cold air as shown in Figure 1 and the cold air delivery outlet B that is used to operator cabin output cold air, in order to regulate better the cold air flow that is delivered to additional cooler 105 from vaporizer 201, can also second adjustable valve 109b be set at the above-mentioned cold air delivery outlet B place of vaporizer 201; Like this, for the cold air that enters, by regulating first flow modulating valve 109a and second adjustable valve 109b, can realize easily that cold air is in the assignment of traffic of delivery outlet A and B from cold air inlet opening C.During specific operation, above-mentioned first flow modulating valve 109a and second adjustable valve 109b can be manual or automatically controlled flow control valve.
Preferably, in order to realize the automatic control to selector valve 103, thereby realize automatically selecting additional cooler 105 to carry out reducing temperature twice according to the oil temperature of main radiator 101 oil outlets, above-mentioned hydraulic oil cooling system can also comprise temperature controlling device 111, is used for the oil temperature of sensing master radiator 101 oil outlets and controls selector valve 103 commutations according to oil temperature.During specific operation, this temperature controlling device 111 can have the multiple form that arranges, and as being the thermal switch (not shown), this thermal switch is controlled selector valve 103 according to the oil temperature of main radiator 101 oil outlets and got electric or dead electricity, and then controls selector valve 103 commutations; Perhaps temperature controlling device 111 adopts the temperature transducer (not shown) in conjunction with the form of controller (not shown), and wherein, temperature transducer is used for the oil temperature of sensing master radiator 101 oil outlets; The oil temperature that controller is used for arriving according to temperature sensor senses is controlled selector valve 103 commutations.Certainly, when above-mentioned first flow modulating valve 109a and second adjustable valve 109b adopt automatically controlled flow control valve, can be controlled by temperature controlling device 111 flow of two flow control valves according to the oil temperature of main radiator 101 oil outlets.
Preferably, in order further to strengthen the cooling effect of additional cooler 105, above-mentioned hydraulic oil cooling system also comprises: motor ventilating fan 113 is used for the cold air generation suction of air-conditioning system is flow in additional cooler 105 efficiently with cold air.This motor ventilating fan 113 is arranged on the hot-air outlet D place of additional cooler 105.More preferably, in order to realize according to the oil temperature of main radiator 101 oil outlets, intelligent control being carried out in the work of motor ventilating fan 113, thermal switch is connected with motor ventilating fan 113, is used for controlling motor ventilating fan 113 and gets electric or dead electricity; Perhaps controller is connected with motor ventilating fan 113, gets electric or dead electricity to control motor ventilating fan 113.
The working procedure of above-mentioned hydraulic oil cooling system is summarized as follows: when engineering machinery normal operation (the high temperature poor efficiency does not occur), when spending lower than 80 as oil temperature, thermal switch disconnects, cause selector valve 103 and motor ventilating fan 113 no electric circuits, hydraulic oil flows directly into oil return fuel tank 107 after main radiator 101, namely carry out the secondary heat radiation without additional cooler 105, at this moment, first flow modulating valve 109a closes, the cold air of air-conditioning system only leads to operator cabin, for reducing the temperature in operator cabin, the auxiliary cooling branch road that namely is made of additional cooler 105 is inoperative; When hydraulic oil temperature is spent higher than 80, during engineering machinery generation high temperature low effect phenomenon, thermal switch detects oil temperature and namely switches on power higher than 80 degree, selector valve 103 and motor ventilating fan 113 are switched on simultaneously, hydraulic oil flows to additional cooler 105 again and further dispels the heat after main radiator 101 heat radiations, and then flows back into oil return fuel tank 107, makes hydraulic oil cooling through twice, temperature reduces rapidly, to solve the high temperature inefficiency problem.meanwhile, the cold air of cab air conditioning system is delivered to additional cooler 105, to strengthen the cooling capacity of additional cooler 105, as shown in Figure 1, open first flow modulating valve 109a(aperture variable), suitably part is closed second adjustable valve 109b, most of Quilt with air conditioning is delivered in additional cooler 105, be used for carrying out cooling to the hydraulic oil in additional cooler 105, only have fraction cold air to be used for the operator cabin refrigeration, the motor ventilating fan 113 that is positioned at the hot-air outlet of additional cooler 105 drives the suction that fan rotates to produce cold air, accelerate the circulation of cold air, thereby further strengthen the cooling effectiveness of hydraulic oil, after hydraulic oil temperature was reduced to 80 degree, thermal switch was controlled selector valve 103 outages, and engineering machinery returns to again normal working, and namely hydraulic oil flows directly into oil return fuel tank 107 after main radiator 101.
Be understandable that, above-mentioned air-conditioning system also can be other the existing air-conditioning systems beyond operator cabin in engineering machinery.In above description take oil temperature 80 degree for the critical temperature of assisting cooling branch road and whether the working explanation that makes an explanation, should not do limited understanding, specifically can determine according to actual needs this critical temperature.
The present embodiment flows to additional cooler by utilizing selector valve to control hydraulic oil, and the cold air of the existing air-conditioning system of engineering machinery is inputed to additional cooler, so that the fluid in cold air and additional cooler directly carries out heat exchange, hydraulic oil temperature is descended rapidly, cooling effectiveness is high, can effectively avoid the high temperature low effect phenomenon of engineering machinery; Preferably, by the control of temperature controlling device to selector valve, automatically determine the keying of additional cooler place branch road, improved its degree of intelligence.
Providing on the basis of above-mentioned hydraulic oil cooling system, the embodiment of the present invention also provides a kind of engineering machinery, includes but not limited to excavator.
The above is only the preferred embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the hydraulic oil cooling system of an engineering machinery, comprise main radiator (101), it is characterized in that, also comprises: selector valve (103) and additional cooler (105); The oil outlet of described additional cooler (105) connects oil return fuel tank (107); The intake grill of described additional cooler (105) connects the cold air delivery outlet (A) of the air-conditioning system of described engineering machinery;
The first end of described selector valve (103) connects the oil outlet of described main radiator (101), and the second end connects described oil return fuel tank (107), and the 3rd end connects the filler opening of described additional cooler (105); During higher than preset temperature, the first end of described selector valve (103) is communicated with the 3rd end in the oil temperature of described main radiator (101) oil outlet; During lower than described preset temperature, the first end of described selector valve (103) is communicated with the second end in the oil temperature of described main radiator (101) oil outlet.
2. hydraulic oil cooling system according to claim 1, is characterized in that, also comprises first flow modulating valve (109a), and described first flow modulating valve (109a) is arranged on the cold air delivery outlet (A) of described air-conditioning system and locates.
3. hydraulic oil cooling system according to claim 2, is characterized in that, also comprises second adjustable valve (109b), and described second adjustable valve (109b) is arranged on another cold air delivery outlet (B) of described air-conditioning system and locates.
4. according to the described hydraulic oil cooling system of any one in the claims 1-3, it is characterized in that, also comprise: the temperature controlling device (111) that is used for controlling according to the oil temperature of described main radiator (101) oil outlet described selector valve (103) commutation.
5. hydraulic oil cooling system described according to the claims 4, is characterized in that,
Described temperature controlling device (111) is thermal switch; Perhaps
Described temperature controlling device (111) comprising:
The temperature transducer that is used for the oil temperature of the described main radiator of sensing (101) oil outlet; And
The oil temperature that is used for arriving according to described temperature sensor senses is controlled the controller of described selector valve (103) commutation.
6. hydraulic oil cooling system described according to the claims 5, is characterized in that, also comprises: motor ventilating fan (113), described motor ventilating fan (113) are arranged on the hot-air outlet (D) of described additional cooler (105).
7. hydraulic oil cooling system described according to the claims 6, it is characterized in that, described thermal switch is connected with described motor ventilating fan (113), is used for controlling described motor ventilating fan (113) according to the oil temperature of described main radiator (101) oil outlet and gets electric or dead electricity.
8. hydraulic oil cooling system described according to the claims 6, it is characterized in that, described controller is connected with described motor ventilating fan (113), is used for controlling described motor ventilating fan (113) according to the oil temperature of described main radiator (101) oil outlet and gets electric or dead electricity.
9. an engineering machinery, is characterized in that, is provided with the described hydraulic oil cooling system of any one in claim 1-8.
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| CN2013100348903A CN103089758A (en) | 2013-01-30 | 2013-01-30 | Engineering machine and hydraulic oil cooling system thereof |
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| CN2013100348903A CN103089758A (en) | 2013-01-30 | 2013-01-30 | Engineering machine and hydraulic oil cooling system thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105715623A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院沈阳自动化研究所 | Vacuumizing and bubble-discharging device of underwater hydraulic compensation system |
| CN104847745B (en) * | 2014-07-30 | 2017-07-11 | 北汽福田汽车股份有限公司 | A kind of hydraulic oil cooling system and the engineering machinery with it |
| CN109515111A (en) * | 2018-11-20 | 2019-03-26 | 山东临工工程机械有限公司 | The energy saving warm air heating system of electric excavator |
| CN112303064A (en) * | 2020-10-30 | 2021-02-02 | 中煤科工集团西安研究院有限公司 | Diesel engine and hydraulic system composite temperature control system and method |
| CN113931250A (en) * | 2021-10-21 | 2022-01-14 | 徐州徐工挖掘机械有限公司 | Excavator, hydraulic oil cooling fan control method and device thereof, and storage medium |
| CN114670247A (en) * | 2022-04-20 | 2022-06-28 | 江苏徐工工程机械研究院有限公司 | Cooling system of forcible entry robot and forcible entry robot |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257563A1 (en) * | 2004-05-20 | 2005-11-24 | Jun Hoshi | Cooling system and hybrid vehicle including cooling system |
| JP2006107969A (en) * | 2004-10-07 | 2006-04-20 | Toyota Motor Corp | Cooling system for fc vehicle |
| JP4520892B2 (en) * | 2005-04-08 | 2010-08-11 | キャタピラージャパン株式会社 | Work machine cooling structure |
| CN102104181A (en) * | 2009-12-18 | 2011-06-22 | 上海汽车集团股份有限公司 | Power accumulator heat management system and vehicle |
| CN202369895U (en) * | 2011-11-03 | 2012-08-08 | 三一重工股份有限公司 | Radiator system, control system and double-steel-wheel road roller |
| CN102720242A (en) * | 2012-06-14 | 2012-10-10 | 上海三一重机有限公司 | Hydraulic oil temperature control device and control method and excavator comprising same |
| JP5368422B2 (en) * | 2010-12-24 | 2013-12-18 | 株式会社小松製作所 | Construction vehicle |
-
2013
- 2013-01-30 CN CN2013100348903A patent/CN103089758A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050257563A1 (en) * | 2004-05-20 | 2005-11-24 | Jun Hoshi | Cooling system and hybrid vehicle including cooling system |
| JP2006107969A (en) * | 2004-10-07 | 2006-04-20 | Toyota Motor Corp | Cooling system for fc vehicle |
| JP4520892B2 (en) * | 2005-04-08 | 2010-08-11 | キャタピラージャパン株式会社 | Work machine cooling structure |
| CN102104181A (en) * | 2009-12-18 | 2011-06-22 | 上海汽车集团股份有限公司 | Power accumulator heat management system and vehicle |
| JP5368422B2 (en) * | 2010-12-24 | 2013-12-18 | 株式会社小松製作所 | Construction vehicle |
| CN202369895U (en) * | 2011-11-03 | 2012-08-08 | 三一重工股份有限公司 | Radiator system, control system and double-steel-wheel road roller |
| CN102720242A (en) * | 2012-06-14 | 2012-10-10 | 上海三一重机有限公司 | Hydraulic oil temperature control device and control method and excavator comprising same |
Non-Patent Citations (1)
| Title |
|---|
| 朱玉平等主编: "《最新夏利轿车实用维修与故障排除》", 30 April 2007 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104847745B (en) * | 2014-07-30 | 2017-07-11 | 北汽福田汽车股份有限公司 | A kind of hydraulic oil cooling system and the engineering machinery with it |
| CN105715623A (en) * | 2014-11-30 | 2016-06-29 | 中国科学院沈阳自动化研究所 | Vacuumizing and bubble-discharging device of underwater hydraulic compensation system |
| CN109515111A (en) * | 2018-11-20 | 2019-03-26 | 山东临工工程机械有限公司 | The energy saving warm air heating system of electric excavator |
| CN112303064A (en) * | 2020-10-30 | 2021-02-02 | 中煤科工集团西安研究院有限公司 | Diesel engine and hydraulic system composite temperature control system and method |
| CN113931250A (en) * | 2021-10-21 | 2022-01-14 | 徐州徐工挖掘机械有限公司 | Excavator, hydraulic oil cooling fan control method and device thereof, and storage medium |
| CN114670247A (en) * | 2022-04-20 | 2022-06-28 | 江苏徐工工程机械研究院有限公司 | Cooling system of forcible entry robot and forcible entry robot |
| CN114670247B (en) * | 2022-04-20 | 2023-12-08 | 江苏徐工工程机械研究院有限公司 | Broken cooling system who tears robot open and tear robot open |
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Application publication date: 20130508 |