CN207161434U - Closed system heat-radiation loop applied to high-power operating mode - Google Patents
Closed system heat-radiation loop applied to high-power operating mode Download PDFInfo
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- CN207161434U CN207161434U CN201720912304.4U CN201720912304U CN207161434U CN 207161434 U CN207161434 U CN 207161434U CN 201720912304 U CN201720912304 U CN 201720912304U CN 207161434 U CN207161434 U CN 207161434U
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Abstract
A kind of closed system heat-radiation loop applied to high-power operating mode is the utility model is related to, it is characterized in that：Including hydraulic oil container, enclosed pump, hydraulic motor, cooler and flushing valve, inlet port S, the drain tap L of the enclosed pump are connected with hydraulic oil container respectively, the A mouths with hydraulic motor, B mouths are connected A mouths, the B mouths of enclosed pump respectively, first drain tap L1 of hydraulic motor is connected with hydraulic oil container, the A mouths with flushing valve, B mouths are connected A1 mouths, the B1 mouths of hydraulic motor respectively, the T mouths of flushing valve are connected with the oil inlet of cooler, and the oil-out of cooler is connected with the second drain tap L2 of hydraulic motor.The utility model uses simple in construction, ingenious, rational heat-radiation loop, can realize the temperature that hydraulic motor is effectively controlled in lasting high power operation, suppresses by the too high appearance for causing hydraulic motor damage phenomenon of temperature.
Description
Technical field
A kind of closed system heat-radiation loop applied to high-power operating mode is the utility model is related to, belongs to hydraulic test technology
Field.
Background technology
Closed system is made up of enclosed variable pump and hydraulic motor.Wherein enclosed variable pump is constructed using integrated form, repairing
Pump and repairing, overflow, holding and other effects valve group are integrated on hydraulic pump.Due to recycling for system fluid, caused temperature
It is not easy to distribute, so needing to configure flushing valve in system（It is built in motor or external）Deep fat in system is led out, mended
Oil pump inhales the cold oil come from hydraulic oil container and system is compensated, and the oil temperature in system is neutralized, cooled down.
Because the discharge capacity of slippage pump tends not to too greatly, the rinse flow of flushing valve is doomed in the secondly constraint of motor shell back pressure
Amount will not be too high.When motor continues high power operation, the cooling effect that flushing valve is brought tends not to meet demand.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, there is provided a kind of applied to high-power operating mode
Closed system heat-radiation loop, use heat-radiation loop simple in construction, ingenious, rational, can realize has in lasting high power operation
The temperature for controlling hydraulic motor of effect, suppress by the too high appearance for causing hydraulic motor damage phenomenon of temperature.
According to technical scheme provided by the utility model, the closed system heat-radiation loop applied to high-power operating mode,
It is characterized in that：Including hydraulic oil container, enclosed pump, hydraulic motor, cooler and flushing valve, the inlet port S of the enclosed pump, let out
Hydraulic fluid port L is connected with hydraulic oil container respectively, and the A mouths with hydraulic motor, B mouths are connected respectively for A mouths, the B mouths of enclosed pump, hydraulic motor
First drain tap L1 is connected with hydraulic oil container, and the A mouths with flushing valve, B mouths are connected respectively for A1 mouths, the B1 mouths of hydraulic motor, rinses
The T mouths of valve are connected with the oil inlet of cooler, and the oil-out of cooler is connected with the second drain tap L2 of hydraulic motor.
Further, the enclosed pump includes slippage pump, main pump, repairing overflow valve, the first repairing check valve, the second repairing
Check valve, the first high-pressure overflow valve and the second high-pressure overflow valve, A mouths, the B mouths of the A mouths, B mouths of the main pump as enclosed pump,
The outlet oil-feed with the oil inlet and the first repairing check valve and the second repairing check valve of repairing overflow valve respectively of slippage pump
Mouthful it is connected, the oil-out of the A mouths, B mouths of main pump respectively with the first repairing check valve and the second repairing check valve is connected, the A of main pump
Mouth, B mouths are connected with the oil inlet and oil-out of the first high-pressure overflow valve and the second high-pressure overflow valve respectively.
Further, the flushing valve includes rinsing overflow valve and deep fat shuttle valve, the A mouths of the deep fat shuttle valve, B mouth conducts
A mouths, the B mouths of flushing valve, T mouth of the oil-out as flushing valve of overflow valve is rinsed, the oil-out of deep fat shuttle valve is with rinsing overflow
The oil inlet of valve is connected.
Compared with prior art, advantage is the utility model：The utility model product structure is simple, reasonable, is continuing
The temperature for effectively reducing hydraulic motor can be realized during high-power operation, suppresses to cause hydraulic motor to damage by temperature is too high
The appearance of bad phenomenon.
Brief description of the drawings
Fig. 1 is the schematic diagram of the closed system heat-radiation loop described in the utility model applied to high-power operating mode.
Fig. 2 is the schematic diagram of closed circuit in the prior art（Built-in flushing valve）.
Fig. 3 is the schematic diagram of closed circuit in the prior art（External flushing valve）.
Description of reference numerals：1- hydraulic oil containers, 2- encloseds pump, 3- hydraulic motors, 4- coolers, 5- flushing valves, 6- repairings
Pump, 7- main pumps, 8- repairings overflow valve, the first repairings of 9- check valve, the second repairings of 10- check valve, the high-pressure overflow valves of 11- first,
The high-pressure overflow valves of 12- second, 13- rinse overflow valve, 14- deep fat shuttle valves.
Embodiment
With reference to specific accompanying drawing, the utility model is described in further detail.
As shown in figure 1, the closed system heat-radiation loop described in the utility model applied to high-power operating mode includes hydraulic oil
Case 1, enclosed pump 2, hydraulic motor 3, cooler 4 and flushing valve 5, inlet port S, the drain tap L of the enclosed pump 2 respectively with liquid
Press oil case 1 to be connected, the A mouths with hydraulic motor 3, B mouths are connected respectively for A mouths, the B mouths of enclosed pump 2, the first draining of hydraulic motor 3
Mouth L1 is connected with hydraulic oil container 1, and the A mouths with flushing valve 5, B mouths are connected respectively for A1 mouths, the B1 mouths of hydraulic motor 3, the T of flushing valve 5
Mouth is connected with the oil inlet of cooler 4, and the oil-out of cooler 4 is connected with the second drain tap L2 of hydraulic motor 3.
The enclosed pump 2 is unidirectional including slippage pump 6, main pump 7, repairing overflow valve 8, the first repairing check valve 9, the second repairing
Valve 10, the first high-pressure overflow valve 11 and the second high-pressure overflow valve 12, A mouths, the B mouths of the main pump 7 be the A mouths of enclosed pump 2,
B mouths, slippage pump 6 outlet respectively with the oil inlet of repairing overflow valve 8 and the first repairing check valve 9 and the second repairing check valve
10 oil inlet is connected, the A mouths of main pump 7, B mouths respectively with the first repairing check valve 9 and the oil-out of the second repairing check valve 10
Be connected, the A mouths of main pump 7, B mouths respectively with the first high-pressure overflow valve 11 and the oil inlet and oil-out phase of the second high-pressure overflow valve 12
Even.
The flushing valve 5 includes rinsing overflow valve 13 and deep fat shuttle valve 14, and A mouths, the B mouths of the deep fat shuttle valve 14 are to rush
A mouths, the B mouths of valve 5 are washed, the oil-out for rinsing overflow valve 13 is the T mouths of flushing valve 5, the oil-out of deep fat shuttle valve 14 and flushing
The oil inlet of overflow valve 13 is connected.
During using utility model works, slippage pump 6 carries out repairing, enclosed pump by repairing check valve 10 to closed system
2 A mouths output hydraulic oil enters the A mouths of hydraulic motor 3, then the B mouths of enclosed pump are returned to from the B mouths of hydraulic motor 3.Meanwhile liquid
The pressure oil of A1, B1 mouth of pressure motor 3 is respectively acting on the both ends of deep fat shuttle valve 14, by a part of deep fat in the presence of pressure difference
Lead to the oil inlet of cooler 4, deep fat is entering the housing of hydraulic motor 3 after supercooling by drain tap L2, finally again from
Drain tap L1 enters hydraulic oil container 1.
The utility model realizes a kind of closed circuit, adds cooler, to liquid when realizing lasting high power work
Pressure motor is effectively cooled, so as to avoid because temperature rise and caused by internal damage.
Claims (3)
1. a kind of closed system heat-radiation loop applied to high-power operating mode, it is characterized in that：Including hydraulic oil container（1）, enclosed pump
（2）, hydraulic motor（3）, cooler（4）And flushing valve（5）, the enclosed pump（2）Inlet port S, drain tap L respectively with liquid
Press oil case（1）It is connected, enclosed pump（2）A mouths, B mouths respectively with hydraulic motor（3）A mouths, B mouths be connected, hydraulic motor（3）'s
First drain tap L1 and hydraulic oil container（1）It is connected, hydraulic motor（3）A1 mouths, B1 mouths respectively with flushing valve（5）A mouths, B mouths
It is connected, flushing valve（5）T mouths and cooler（4）Oil inlet be connected, cooler（4）Oil-out and hydraulic motor（3）
Two drain tap L2 are connected.
2. it is applied to the closed system heat-radiation loop of high-power operating mode as claimed in claim 1, it is characterized in that：The enclosed pump
（2）Including slippage pump（6）, main pump（7）, repairing overflow valve（8）, the first repairing check valve（9）, the second repairing check valve（10）、
First high-pressure overflow valve（11）And second high-pressure overflow valve（12）, the main pump（7）A mouths, B mouths are as enclosed pump（2）A
Mouth, B mouths, slippage pump（6）Outlet respectively with repairing overflow valve（8）Oil inlet and the first repairing check valve（9）With second
Repairing check valve（10）Oil inlet be connected, main pump（7）A mouths, B mouths respectively with the first repairing check valve（9）With the second repairing
Check valve（10）Oil-out be connected, main pump（7）A mouths, B mouths respectively with the first high-pressure overflow valve（11）With the second high pressure kicks
Valve（12）Oil inlet and oil-out be connected.
3. it is applied to the closed system heat-radiation loop of high-power operating mode as claimed in claim 1, it is characterized in that：The flushing valve
（5）Including rinsing overflow valve（13）With deep fat shuttle valve（14）, the deep fat shuttle valve（14）A mouths, B mouths are as flushing valve（5）A
Mouth, B mouths, rinse overflow valve（13）Oil-out as flushing valve（5）T mouths, deep fat shuttle valve（14）Oil-out with rinse overflow
Flow valve（13）Oil inlet be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912304.4U CN207161434U (en) | 2017-07-26 | 2017-07-26 | Closed system heat-radiation loop applied to high-power operating mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720912304.4U CN207161434U (en) | 2017-07-26 | 2017-07-26 | Closed system heat-radiation loop applied to high-power operating mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207161434U true CN207161434U (en) | 2018-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720912304.4U Active CN207161434U (en) | 2017-07-26 | 2017-07-26 | Closed system heat-radiation loop applied to high-power operating mode |
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| Country | Link |
|---|---|
| CN (1) | CN207161434U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159618A (en) * | 2019-06-28 | 2019-08-23 | 无锡市钻通工程机械有限公司 | A kind of hydraulic closed flush loop |
-
2017
- 2017-07-26 CN CN201720912304.4U patent/CN207161434U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110159618A (en) * | 2019-06-28 | 2019-08-23 | 无锡市钻通工程机械有限公司 | A kind of hydraulic closed flush loop |
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