CN202468557U - Hydraulic cooling system - Google Patents
Hydraulic cooling system Download PDFInfo
- Publication number
- CN202468557U CN202468557U CN2012201113889U CN201220111388U CN202468557U CN 202468557 U CN202468557 U CN 202468557U CN 2012201113889 U CN2012201113889 U CN 2012201113889U CN 201220111388 U CN201220111388 U CN 201220111388U CN 202468557 U CN202468557 U CN 202468557U
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- Prior art keywords
- cooling system
- hydraulic
- oil
- hydraulic motor
- pressure cooling
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000000945 filler Substances 0.000 claims description 15
- 239000002828 fuel tank Substances 0.000 claims description 12
- 238000005265 energy consumption Methods 0.000 abstract description 3
- 238000004146 energy storage Methods 0.000 abstract 2
- 239000003921 oil Substances 0.000 description 66
- 230000035939 shock Effects 0.000 description 12
- 239000007788 liquid Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses a hydraulic cooling system, this hydraulic cooling system include back oil pipe way (1) and oil tank (2), wherein, this hydraulic cooling system still include check valve (7), energy storage ware (3), hydraulic motor (4), fan (5) and with radiator (6) that fan (5) correspond, hydraulic motor (4) with check valve (7) other joint back on oil pipe way (1), just hydraulic motor (4) set up in check valve (7) with between oil tank (2), in order to allow fluid to follow it flows back oil pipe way (1) in hydraulic motor (4), energy storage ware (3) are connected check valve (7) with between hydraulic motor (4), hydraulic motor (4) are connected with fan (5) to drive fan (5) and rotate. This hydraulic cooling system utilizes the fluid of backward flow to cool off hydraulic system to reduce hydraulic system and strike, reduce energy consumption, simple structure.
Description
Technical field
The utility model relates to Hydraulic Field, particularly, relates to a kind of hydraulic pressure cooling system.
Background technique
Hydraulic system is when work, and the pressure loss, volumetric loss and mechanical loss cause the energy loss of system, and these energy losses will be converted into heat energy and make oily temperature rise.When the oil temperature is too high; Can have a strong impact on the stability of hydraulic oil, thereby have influence on sealing, life-span and the transmission efficiency of whole hydraulic system, cause each executive component phenomenons such as slow in one's movements, unable to occur; Cause system normally not move, even even more serious consequence takes place.Therefore, being provided with that cooling unit cools to hydraulic system is the hydraulic system necessary part.
Usually, the existing type of cooling has two kinds: 1, on the return line of hydraulic system, radiator is set, utilizes the power of motor to drive fan running, cold wind and radiator carry out heat exchange, carry out wind-cooling heat dissipating.This cooling means structure is simple with control, but needs to consume bigger electric energy.2, be provided with independently that the hydraulic pressure cooling system cools off fluid, promptly gear pump and motor constitute independently hydraulic system.This hydraulic pressure cooling system comprises that independently oil hydraulic pump is that cooling system provides power, and coupling control corresponding element and oil hydraulic motor work can increase the oil consumption of system like this, and complex structure.
Therefore, need a kind of good cooling results, simple in structure, energy consumption is low, the cooling system that hydraulic system is cooled off of energy-conserving and environment-protective.
The model utility content
The purpose of the utility model provides a kind of hydraulic pressure cooling system, and the fluid that this hydraulic pressure cooling system utilization refluxes cools to hydraulic system, and reduces the hydraulic system impact, reduces energy consumption, and is simple in structure.
To achieve these goals, the utility model provides a kind of hydraulic pressure cooling system, and this hydraulic pressure cooling system comprises return line and fuel tank; Wherein, This hydraulic pressure cooling system also comprises one-way valve, accumulator, oil hydraulic motor, fan and the radiator corresponding with said fan, and said oil hydraulic motor and said one-way valve are other to be connected on the said return line, and said oil hydraulic motor is arranged between said one-way valve and the said fuel tank; To allow fluid to flow in the said oil hydraulic motor from said return line; Said accumulator is connected between said one-way valve and the said oil hydraulic motor, and said oil hydraulic motor is connected with said fan, rotates to drive said fan.
Preferably, this hydraulic pressure cooling system also comprises damper, and this damper is arranged on the said return line, and between the oil outlet of the filler opening of said one-way valve and said oil hydraulic motor.
Preferably, the back pressure of said one-way valve is less than the back pressure of said damper.
Preferably, this hydraulic pressure cooling system also comprises selector valve, and this selector valve is connected between the filler opening of filler opening and said oil hydraulic motor of said damper.
Preferably, when said hydraulic pressure cooling system was in normal working, said selector valve cut out.
Preferably, said selector valve is a solenoid directional control valve.
Preferably, said accumulator is the gas-filled type accumulator.
Preferably; The filler opening of said one-way valve is connected with said return line; The oil outlet of said one-way valve is connected with the oil pocket of said accumulator, and the oil pocket of said accumulator is connected with the filler opening of said oil hydraulic motor, and the oil outlet of said oil hydraulic motor is connected with said fuel tank.
Through technique scheme, because hydraulic system is in when work, the hydraulic element action can produce hydraulic shock, and particularly in the hydraulic system of big flow large impact, variation in pressure is bigger in the hydraulic system, and frequency is also bigger.When the oil liquid pressure of return line is higher, promptly greater than the cracking pressure of one-way valve, one-way valve opens, it is inner that fluid gets into accumulator, to absorb the energy of hydraulic shock, prevents that hydraulic shock from producing heat and making oily temperature rise.In addition, the higher fluid of pressure drives oil hydraulic motor and rotates, to drive the fan rotation and to dry to radiator, to cool.When the oil liquid pressure of return line is low, promptly less than the cracking pressure of one-way valve, closed check valve; The fluid of accumulator internal reservoir flows out; With energy stored in the release accumulator, rotate thereby continue to drive oil hydraulic motor, to drive the fan rotation and to dry to radiator; Quicken the heat radiation of radiator, so that fluid is cooled.
Whole hydraulic pressure cooling system utilizes the pressure of hydraulic shock and the oil return of hydraulic system can be as the power source of oil hydraulic motor; Both reduce system's heating that hydraulic shock brings, reduced energy loss, stable system; Again hydraulic system is cooled off, and simple in structure.
Other feature and advantage of the utility model will partly specify in embodiment subsequently.
Description of drawings
Accompanying drawing is the further understanding that is used to provide the utility model, and constitutes the part of specification, is used to explain the utility model with following embodiment, but does not constitute the restriction to the utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram of hydraulic pressure cooling system of the mode of execution of the utility model.
Description of reference numerals
1 return line, 2 fuel tanks
3 accumulators, 4 oil hydraulic motors
5 fans, 6 radiators
7 one-way valves, 8 dampers
9 selector valves
Embodiment
Be elaborated below in conjunction with the embodiment of accompanying drawing to the utility model.Should be understood that embodiment described herein only is used for explanation and explains the utility model, is not limited to the utility model.
As shown in Figure 1; The embodiment of the utility model provides a kind of hydraulic pressure cooling system; This hydraulic pressure cooling system comprises return line 1 and fuel tank 2, and wherein, this hydraulic pressure cooling system also comprises one-way valve 7, accumulator 3, oil hydraulic motor 4, fan 5 and the radiator 6 corresponding with said fan 5; Said oil hydraulic motor 4 and said one-way valve 7 other being connected on the said return line 1; And said oil hydraulic motor 4 is arranged between said one-way valve 7 and the said fuel tank 2, flows in the said oil hydraulic motor 4 from said return line 1 to allow fluid, and said accumulator 3 is connected between said one-way valve 7 and the said oil hydraulic motor 4; Said oil hydraulic motor 4 is connected with said fan 5, rotates to drive said fan 5.
Wherein, The filler opening of one-way valve 7 is connected with return line 1; The oil outlet of one-way valve 7 is connected with the oil pocket of accumulator 3, and the oil pocket of accumulator 3 is connected with the filler opening of oil hydraulic motor 4, and the oil outlet of oil hydraulic motor 4 is connected with fuel tank 2; Make the energy more than needed of compression shock of fluid of oil return to make full use of main hydraulic system is cooled, and stable system pressure.
Because hydraulic system is when work, the hydraulic element action can produce hydraulic shock, and particularly in the hydraulic system of big flow large impact, variation in pressure is bigger in the hydraulic system, and frequency is also bigger.When the oil liquid pressure of return line 1 was higher, promptly greater than the cracking pressure of one-way valve 7, one-way valve 7 was opened, and fluid gets into accumulator 3 inside, to absorb the energy of hydraulic shock, prevented that hydraulic shock from producing heat and making oily temperature rise.In addition, the higher fluid of pressure drives oil hydraulic motor 4 and rotates, to drive fan 5 rotations and to dry to radiator 6, to cool.When the oil liquid pressure of return line 1 hanged down, promptly less than the cracking pressure of one-way valve 7, one-way valve 7 was closed; The fluid of accumulator 3 internal reservoir flows out; With energy stored in the release accumulator, rotate thereby continue to drive oil hydraulic motor 4, with 5 rotations of drive fan and to radiator 6 blowings; Quicken the heat radiation of radiator 6, so that fluid is cooled.
Whole hydraulic pressure cooling system utilizes the pressure of hydraulic shock and the oil return of hydraulic system can be as the power source of oil hydraulic motor 4; Both reduce system's heating that hydraulic shock brings, reduced energy loss, stable system; Again hydraulic system is cooled off, and simple in structure.In traditional cooling system, the power of motor-driven cooling system is 660W, and the power of the cooling system of gear pump and motor driven is 825W, and both power consumpitons are all very big.The hydraulic pressure cooling system of the utility model is owing to the energy more than needed that has utilized hydraulic shock to bring, and its power is-660W to have practiced thrift system's power consumption.
Especially, one-way valve 7 adopts the less one-way valve of back pressure, usually less than 0.02MPa, makes fluid can get into accumulator 3 inside.Oil hydraulic motor 4 adopts the oil hydraulic motor of the big rotating speed of little moment of torsion, and for example rotating speed is that 2500r/min～3000r/min, moment of torsion are the oil hydraulic motor of 0.2NM～0.4NM, so that oil hydraulic motor 4 can turn round relatively reposefully.Can direct coaxial the connection between oil hydraulic motor 4 and the fan 5, also can pass through driving mechanisms such as retarder, coupling and connect, with guarantee oil hydraulic motor 4 better drive fan 5 rotate.
As shown in Figure 1; In order to guarantee the proper functioning of hydraulic pressure cooling system, preferably, this hydraulic pressure cooling system also comprises damper 8; This damper 8 is arranged on the said return line 1, and between the oil outlet of the filler opening of said one-way valve 7 and said oil hydraulic motor 4.Damper 8 can adopt damping hole or have the filter etc. of damping, and to produce certain back pressure, preferably, the back pressure of said one-way valve 7 is less than the back pressure of said damper 8.For example; The back pressure of damper 8 is about 0.2MPa; Make that the fluid of return line 1 is most of through one-way valve 7 entering accumulators 3 and oil hydraulic motor 4 inside; After driving oil hydraulic motor 4 work, flow back to fuel tank 2, thereby oil hydraulic motor 4 can utilize the hydraulic pressure of oil return finally to make fan 5 work cool as power source.
As shown in Figure 1, for the oil temperature that guarantees hydraulic system is normal, stable, preferably, this hydraulic pressure cooling system also comprises selector valve 9, and this selector valve 9 is connected between the filler opening of filler opening and said oil hydraulic motor 4 of said damper 8.Usually, the oily temperature of hydraulic system remains on 20 ℃～60 ℃ and is normal working, and 40 ℃ of oily temperature states for suiting.Preferably, when the hydraulic pressure cooling system was in normal working, said selector valve 9 cut out, and promptly return line 1 directly is not communicated with oil hydraulic motor 4; When the oil temperature was too high, promptly greater than 60 ℃, selector valve 9 was opened; The fluid of return line 1 directly flows to oil hydraulic motor 4 inside through selector valve 9, directly is back in the fuel tank 2 then, thereby makes the back-flow velocity of fluid accelerate; With rapid reduction oil liquid temperature, make the oil temperature recover normal.
To the control of hydraulic pressure cooling system, preferably, said selector valve 9 is a solenoid directional control valve for ease.Adopt solenoid directional control valve hydraulic system to be carried out automation control with convenient, thus control unit can carry out efficiently hydraulic system, succinctly, control accurately.
In order to guarantee that the hydraulic pressure cooling system works reposefully, preferably, said accumulator 3 is the gas-filled type accumulator.Gas-filled type accumulator volume is little, and is in light weight, is quick on the draw, and can absorb fluid impact and pulsation, to guarantee the stable of hydraulic system, works thereby release stored energy drives oil hydraulic motor 4.Especially, the volume of accumulator 3 is 1.2L～2L, thereby energy stored can more easily drive oil hydraulic motor 4 rotations in the accumulator 3.
More than combine accompanying drawing to describe the preferred implementation of the utility model in detail; But; The utility model is not limited to the detail in the above-mentioned mode of execution; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technological scheme of the utility model, these simple variant all belong to the protection domain of the utility model.
Need to prove in addition; Each concrete technical characteristics described in above-mentioned embodiment under reconcilable situation, can make up through any suitable manner; For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible compound modes.
In addition, also can carry out combination in any between the various mode of execution of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.
Claims (8)
1. hydraulic pressure cooling system; This hydraulic pressure cooling system comprises return line (1) and fuel tank (2); It is characterized in that; This hydraulic pressure cooling system also comprises one-way valve (7), accumulator (3), oil hydraulic motor (4), fan (5) and the radiator (6) corresponding with said fan (5), and said oil hydraulic motor (4) and said one-way valve (7) are other to be connected on the said return line (1), and said oil hydraulic motor (4) is arranged between said one-way valve (7) and the said fuel tank (2); To allow fluid to flow in the said oil hydraulic motor (4) from said return line (1); Said accumulator (3) is connected between said one-way valve (7) and the said oil hydraulic motor (4), and said oil hydraulic motor (4) is connected with said fan (5), rotates to drive said fan (5).
2. hydraulic pressure cooling system according to claim 1; It is characterized in that; This hydraulic pressure cooling system also comprises damper (8), and this damper (8) is arranged on the said return line (1), and is positioned between the oil outlet of filler opening and said oil hydraulic motor (4) of said one-way valve (7).
3. hydraulic pressure cooling system according to claim 2 is characterized in that, the back pressure of said one-way valve (7) is less than the back pressure of said damper (8).
4. hydraulic pressure cooling system according to claim 2 is characterized in that, this hydraulic pressure cooling system also comprises selector valve (9), and this selector valve (9) is connected between the filler opening of filler opening and said oil hydraulic motor (6) of said damper (8).
5. hydraulic pressure cooling system according to claim 4 is characterized in that, when this hydraulic pressure cooling system was in normal working, said selector valve (9) cut out.
6. hydraulic pressure cooling system according to claim 5 is characterized in that, said selector valve (9) is a solenoid directional control valve.
7. hydraulic pressure cooling system according to claim 1 is characterized in that, said accumulator (3) is the gas-filled type accumulator.
8. according to any described hydraulic pressure cooling system among the claim 1-6; It is characterized in that; The filler opening of said one-way valve (7) is connected with said return line (1); The oil outlet of said one-way valve (7) is connected with the oil pocket of said accumulator (3), and the oil pocket of said accumulator (3) is connected with the filler opening of said oil hydraulic motor (4), and the oil outlet of said oil hydraulic motor (4) is connected with said fuel tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201113889U CN202468557U (en) | 2012-03-22 | 2012-03-22 | Hydraulic cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201113889U CN202468557U (en) | 2012-03-22 | 2012-03-22 | Hydraulic cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202468557U true CN202468557U (en) | 2012-10-03 |
Family
ID=46916716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201113889U Expired - Fee Related CN202468557U (en) | 2012-03-22 | 2012-03-22 | Hydraulic cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202468557U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317097A (en) * | 2014-05-27 | 2016-02-10 | 武汉电力设备厂 | Amphibious emergency flood drainage pump truck |
| CN110594349A (en) * | 2019-09-20 | 2019-12-20 | 三一汽车制造有限公司 | Suspension hydraulic system and vehicle |
| CN114110072A (en) * | 2021-10-29 | 2022-03-01 | 浙江吉利控股集团有限公司 | Vibration damper |
-
2012
- 2012-03-22 CN CN2012201113889U patent/CN202468557U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105317097A (en) * | 2014-05-27 | 2016-02-10 | 武汉电力设备厂 | Amphibious emergency flood drainage pump truck |
| CN110594349A (en) * | 2019-09-20 | 2019-12-20 | 三一汽车制造有限公司 | Suspension hydraulic system and vehicle |
| CN114110072A (en) * | 2021-10-29 | 2022-03-01 | 浙江吉利控股集团有限公司 | Vibration damper |
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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 |
Granted publication date: 20121003 Termination date: 20160322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |