CN217107698U - Integrated valve of hydraulic power braking liquid-filled fan driving system - Google Patents
Integrated valve of hydraulic power braking liquid-filled fan driving system Download PDFInfo
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- CN217107698U CN217107698U CN202221014717.8U CN202221014717U CN217107698U CN 217107698 U CN217107698 U CN 217107698U CN 202221014717 U CN202221014717 U CN 202221014717U CN 217107698 U CN217107698 U CN 217107698U
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Abstract
The utility model relates to a hydraulic power braking liquid filling fan actuating system integrated valve, be formed with the pressure hydraulic fluid port on the valve body, fan drive hydraulic fluid port, first energy storage ware hydraulic fluid port and second energy storage ware hydraulic fluid port, the preferential shuttle valve of pilot operated flow and the preferential shuttle valve fixed mounting of low pressure are inside the valve body, the pressure hydraulic fluid port is linked together with the oil inlet of the preferential shuttle valve of low pressure, two oil-outs of the preferential shuttle valve of low pressure are linked together with first energy storage ware hydraulic fluid port and second energy storage ware hydraulic fluid port respectively, the pressure hydraulic fluid port is linked together with the oil inlet of pilot operated flow priority valve, the oil-out and the fan drive hydraulic fluid port of pilot operated flow priority valve are linked together. The utility model discloses reduced the no-load cyclic loss of hydraulic pump, had very high energy-conserving benefit, reduced system component quantity, simplified the system, the cost is reduced, solved energy storage ware prefill valve and the problem that two sets of systems of fan drive cooling system independently caused waste energy, increase quantity and tube coupling are complicated mutually.
Description
Technical Field
The utility model belongs to the technical field of the prefill valve and specifically relates to a hydraulic braking prefill fan actuating system integrated valve.
Background
The accumulator charging valve and the fan-driven cooling system of the hydraulic power braking system of the current engineering machinery are mutually independent, and the two systems respectively use different hydraulic pumps. However, the accumulator charging valve of the hydraulic power braking system intermittently works in the working process of the whole machine, and a hydraulic pump in the system is not fully utilized, so that energy is wasted. Moreover, the two systems are independent, the number of elements is increased undoubtedly, the cost is increased, and the system arrangement and the pipeline connection are complicated. Therefore, it is desirable to develop an accumulator charging valve and a fan-driven heat dissipation system of a hydraulic brake system that can share component resources.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above problem, a hydraulic braking liquid filling fan actuating system pile-up valve is provided, the problem of energy waste, increase quantity and the pipe connection complicacy that two sets of systems of energy storage ware liquid filling valve and fan drive cooling system independently caused each other has been solved.
A hydraulic power brake charging fan drive system integration valve, comprising: the hydraulic control flow priority valve and the low-pressure priority shuttle valve are fixedly installed inside the valve body, the pressure oil port is communicated with an oil inlet of the low-pressure priority shuttle valve, two oil outlets of the low-pressure priority shuttle valve are respectively communicated with the first energy accumulator oil port and the second energy accumulator oil port, the pressure oil port is communicated with an oil inlet of the hydraulic control flow priority valve, and an oil outlet of the hydraulic control flow priority valve is communicated with the fan driving oil port.
The high-low pressure setting valve is fixedly installed inside the valve body, an oil inlet and a control oil port of the high-low pressure setting valve are respectively communicated with the pressure oil port, an oil tank oil port is formed in the valve body, an oil outlet of the high-low pressure setting valve is communicated with the oil tank oil port, a first oil port of the high-low pressure setting valve is communicated with the liquid filling load sensitive oil way, and the liquid filling load sensitive oil way is communicated with the control oil port of the hydraulic control flow priority valve.
Further, the system also comprises a hydraulic control flow valve, a reverse electromagnetic proportional overflow valve and a shuttle valve, wherein an oil inlet of the hydraulic control flow valve is communicated with an oil outlet of the hydraulic control flow priority valve, an oil outlet of the hydraulic control flow valve is respectively communicated with a fan driving oil port, an oil inlet of the reverse electromagnetic proportional overflow valve and a control oil port of the reverse electromagnetic proportional overflow valve, an oil outlet of the reverse electromagnetic proportional overflow valve is communicated with an oil tank oil port,
the valve body is provided with a load sensitive oil port, two oil inlets of the shuttle valve are respectively communicated with a fan driving load sensitive oil path and a liquid charging load sensitive oil path, an oil outlet of the shuttle valve is communicated with the load sensitive oil port, the shuttle valve selects an oil path with large pressure to output hydraulic oil to the load sensitive oil port by comparing the pressure of the fan driving load sensitive oil path and the pressure of the liquid charging load sensitive oil path;
the fan driving load sensitive oil way is communicated with a control oil port of the hydraulic control flow valve, and the liquid charging load sensitive oil way is respectively communicated with a control oil port of the hydraulic control flow priority valve and a first oil port of the high-low pressure setting valve;
the reverse electromagnetic proportional overflow valve is used for adjusting the pressure value of a fan driving load sensitive oil way;
and the hydraulic control flow valve, the reverse electromagnetic proportional overflow valve and the shuttle valve are fixedly arranged inside the valve body.
The high-low pressure setting valve further comprises a throttling sheet, a filter element and a one-way valve, wherein the throttling sheet, the filter element and the one-way valve are fixedly installed inside the valve body, a pressure monitoring oil port is formed in the valve body, an oil inlet of the filter element is communicated with the pressure oil port, two ends of the throttling sheet are respectively communicated with an oil outlet of the filter element and an oil inlet of the one-way valve, and an oil outlet of the one-way valve is communicated with the high-low pressure setting valve, the low-pressure priority shuttle valve and the pressure monitoring oil port.
The pressure measuring valve further comprises a pressure measuring joint, a first pressure measuring oil port, a second pressure measuring oil port, a third pressure measuring oil port, a fourth pressure measuring oil port and a fifth pressure measuring oil port are formed in the valve body, the first pressure measuring oil port, the second pressure measuring oil port, the third pressure measuring oil port, the fourth pressure measuring oil port and the fifth pressure measuring oil port are respectively communicated with the pressure measuring joint, and the pressure measuring joint is fixedly connected with the valve body; the first pressure measuring oil port is communicated with the pressure oil port, the second pressure measuring oil port is communicated with an oil inlet of the low-pressure priority shuttle valve, the third pressure measuring oil port is communicated with the liquid filling load sensitive oil path, the fourth pressure measuring oil port is communicated with the fan driving load sensitive oil path, and the fifth pressure measuring oil port is communicated with the fan driving oil port.
And the two ends of the damping hole are respectively communicated with an oil outlet of the flow control valve and an oil inlet of the reverse electromagnetic proportional overflow valve.
The utility model has the advantages of as follows: the utility model discloses make a load variable pump of energy storage ware and fan drive hydraulic motor sharing, utilize the shuttle valve to control load variable pump, cooperation pilot operated flow priority valve and pilot operated flow valve, automatic distribution flow to hydraulic power braking system and fan actuating system, compare with current hydraulic power braking and fan drive hydraulic system technique, the utility model discloses reduced the no-load circulation loss of hydraulic pump, had very high energy-conserving benefit, reduced system component quantity, simplified the system, the cost is reduced, solved the energy waste that two sets of systems of energy storage ware prefill valve and fan drive cooling system independently caused each other, increase quantity and the complicated problem of tube coupling.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.
FIG. 1: the oil circuit principle schematic diagram of the utility model;
FIG. 2: the utility model has one of the three-dimensional structure schematic diagrams;
FIG. 3: the utility model discloses a spatial structure schematic diagram its two.
Detailed Description
The invention will be further described with reference to the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The first embodiment is as follows:
as shown in fig. 1 to 3, the present embodiment provides a hydraulic brake charging fan driving system integrated valve, including: the hydraulic control flow priority valve comprises a valve body 1, a hydraulic control flow priority valve 3 and a low-pressure priority shuttle valve 10, wherein a pressure oil port P, a fan driving oil port F, a first energy accumulator oil port B1 and a second energy accumulator oil port B2 are formed on the valve body 1, the hydraulic control flow priority valve 3 and the low-pressure priority shuttle valve 10 are fixedly installed inside the valve body 1, the pressure oil port P is communicated with an oil inlet of the low-pressure priority shuttle valve 10, two oil outlets of the low-pressure priority shuttle valve 10 are respectively communicated with a first energy accumulator oil port B1 and a second energy accumulator oil port B2, the pressure oil port P is communicated with an oil inlet of the hydraulic control flow priority valve 3, and an oil outlet of the hydraulic control flow priority valve 3 is communicated with the fan driving oil port F.
Further, the high-low pressure setting valve 9 is further included, the high-low pressure setting valve 9 is fixedly installed inside the valve body 1, an oil inlet and a control oil port of the high-low pressure setting valve 9 are respectively communicated with the pressure oil port P, an oil tank oil port T is formed on the valve body 1, an oil outlet of the high-low pressure setting valve 9 is communicated with the oil tank oil port T, a first oil port of the high-low pressure setting valve 9 is communicated with a liquid filling load sensitive oil path LSC, and the liquid filling load sensitive oil path LSC is communicated with the control oil port of the hydraulic control flow priority valve 3. The high-low pressure setting valve 9 is used for setting the high-pressure and low-pressure values of the accumulator charging liquid.
Further, the system comprises a hydraulic control flow valve 4, a reverse electromagnetic proportional overflow valve 7 and a shuttle valve 8, wherein an oil inlet of the hydraulic control flow valve 4 is communicated with an oil outlet of the hydraulic control flow priority valve 3, an oil outlet of the hydraulic control flow valve 4 is respectively communicated with a fan driving oil port F, an oil inlet of the reverse electromagnetic proportional overflow valve 7 and a control oil port of the reverse electromagnetic proportional overflow valve 7, an oil outlet of the reverse electromagnetic proportional overflow valve 7 is communicated with an oil tank oil port T,
a load sensitive oil port LS is formed in the valve body 1, two oil inlets of the shuttle valve 8 are respectively communicated with a fan driving load sensitive oil path LSF and a liquid charging load sensitive oil path LSC, an oil outlet of the shuttle valve 8 is communicated with the load sensitive oil port LS, the shuttle valve 8 selects an oil path with large pressure to output hydraulic oil to the load sensitive oil port LS by comparing the pressures of the fan driving load sensitive oil path LSF and the liquid charging load sensitive oil path LSC;
the fan driving load sensitive oil way LSF is communicated with a control oil port of the hydraulic control flow valve 4, and the liquid charging load sensitive oil way LSC is respectively communicated with the control oil port of the hydraulic control flow priority valve 3 and a first oil port of the high-low pressure setting valve 9;
the reverse electromagnetic proportional overflow valve 7 adjusts the pressure value of the fan-driven load-sensitive oil circuit LSF according to the temperature data collected by the temperature sensor (not belonging to the utility model) of the heat dissipation system;
and the hydraulic control flow valve 4, the reverse electromagnetic proportional overflow valve 7 and the shuttle valve 8 are fixedly arranged inside the valve body 1.
Further, the hydraulic control valve further comprises a throttling sheet 11, a filter element 12 and a one-way valve 13, wherein the throttling sheet 11, the filter element 12 and the one-way valve 13 are fixedly installed inside the valve body 1, a pressure monitoring oil port SW is formed in the valve body 1, an oil inlet of the filter element 12 is communicated with the pressure oil port P, two ends of the throttling sheet 11 are respectively communicated with an oil outlet of the filter element 12 and an oil inlet of the one-way valve 13, and an oil outlet of the one-way valve 13 is communicated with the high-low pressure setting valve 9, the low-pressure priority shuttle valve 10 and the pressure monitoring oil port SW.
The pressure measuring valve further comprises a pressure measuring joint 14, a first pressure measuring oil port MP, a second pressure measuring oil port MB, a third pressure measuring oil port ML, a fourth pressure measuring oil port MR and a fifth pressure measuring oil port MF are formed on the valve body 1, the first pressure measuring oil port MP, the second pressure measuring oil port MB, the third pressure measuring oil port ML, the fourth pressure measuring oil port MR and the fifth pressure measuring oil port MF are respectively communicated with the pressure measuring joint 14, and the pressure measuring joint 14 is fixedly connected with the valve body 1; the first pressure measuring port MP is communicated with the pressure port P, the second pressure measuring port MB is communicated with the oil inlet of the low-pressure priority shuttle valve 10, the third pressure measuring port ML is communicated with the liquid-filled load sensitive oil path LSC, the fourth pressure measuring port MR is communicated with the fan drive load sensitive oil path LSF, and the fifth pressure measuring port MF is communicated with the fan drive port F.
And furthermore, the device also comprises a damping hole 6, and two ends of the damping hole 6 are respectively communicated with an oil outlet of the flow control valve 4 and an oil inlet of the reverse electromagnetic proportional overflow valve 7.
The working principle is as follows:
the pressure oil port P is communicated with an oil outlet of the load variable pump 2, an oil inlet of the load variable pump 2 is communicated with an oil tank 16, and a control oil port of the load variable pump 2 is communicated with an oil outlet of the shuttle valve 8. The tank port T communicates with the tank 16. The fan driving oil port F is communicated with an oil inlet of the fan driving hydraulic motor 5, an oil outlet of the fan driving hydraulic motor 5 is communicated with the oil tank 16, and the fan driving hydraulic motor 5 drives the cooling fan to rotate. The pressure measuring joint 14 and the pressure monitoring oil port SW are respectively communicated with pressure measuring equipment. The first accumulator oil port B1 and the second accumulator oil port B2 are respectively communicated with different accumulators.
When the pressure in the accumulator is lower than the low pressure value in the high-low pressure setting valve 9, the liquid filling load sensitive oil port LSC is communicated with the low-pressure oil way LB of the accumulator. The pressure of the liquid-filled load sensitive oil line LSC acts on the shuttle valve 8, the shuttle valve 8 compares the pressure of the fan-driven load sensitive oil line LSF with the pressure of the liquid-filled load sensitive oil line LSC, and automatically transmits a larger load pressure signal to a load sensitive cavity of a load sensitive pump (namely the load variable pump 2) through a feedback oil line, so that the swing angle of the load variable pump 2 is controlled, and the pressure and the flow output by the load variable pump 2 are correspondingly changed.
When the pressure in the accumulator reaches the high pressure value in the high-low pressure setting valve 9, the liquid filling load sensitive oil way LSC is communicated with the oil tank port T on the valve body, and the pressure of the liquid filling load sensitive oil way LSC becomes zero. At this time, the pressure of the fan-driven load-sensitive oil path LSF acts on the load-sensitive cavity of the load-sensitive pump (i.e., the variable load pump 2) through the feedback oil path, so that the variable load pump 2 provides a flow according to the demand of the driving fan system.
The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.
Claims (6)
1. An integrated valve for a hydraulic power brake charging fan drive system, comprising: the hydraulic control flow priority valve comprises a valve body (1), a hydraulic control flow priority valve (3) and a low-pressure priority shuttle valve (10), wherein a pressure oil port (P), a fan driving oil port (F), a first energy accumulator oil port (B1) and a second energy accumulator oil port (B2) are formed on the valve body (1), the hydraulic control flow priority valve (3) and the low-pressure priority shuttle valve (10) are fixedly installed inside the valve body (1), the pressure oil port (P) is communicated with an oil inlet of the low-pressure priority shuttle valve (10), two oil outlets of the low-pressure priority shuttle valve (10) are respectively communicated with a first energy accumulator oil port (B1) and a second energy accumulator oil port (B2), the pressure oil port (P) is communicated with an oil inlet of the hydraulic control flow priority valve (3), and an oil outlet of the hydraulic control flow priority valve (3) is communicated with the fan driving oil port (F).
2. The integration valve of a hydraulically powered brake, charging fan drive system as set forth in claim 1, wherein: the high-pressure and low-pressure setting valve is characterized by further comprising a high-pressure and low-pressure setting valve (9), the high-pressure and low-pressure setting valve (9) is fixedly installed inside the valve body (1), an oil inlet and a control oil port of the high-pressure and low-pressure setting valve (9) are respectively communicated with a pressure oil port (P), an oil tank oil port (T) is formed in the valve body (1), an oil outlet of the high-pressure and low-pressure setting valve (9) is communicated with the oil tank oil port (T), a first oil port of the high-pressure and low-pressure setting valve (9) is communicated with a liquid filling load sensitive oil way (LSC), and the liquid filling load sensitive oil way (LSC) is communicated with the control oil port of the liquid control flow priority valve (3).
3. The integration valve of a hydraulically powered brake, charging fan drive system as set forth in claim 2, wherein: the hydraulic control flow valve is characterized by further comprising a hydraulic control flow valve (4), a reverse electromagnetic proportional overflow valve (7) and a shuttle valve (8), wherein an oil inlet of the hydraulic control flow valve (4) is communicated with an oil outlet of the hydraulic control flow priority valve (3), an oil outlet of the hydraulic control flow valve (4) is respectively communicated with a fan driving oil port (F), an oil inlet of the reverse electromagnetic proportional overflow valve (7) and a control oil port of the reverse electromagnetic proportional overflow valve (7), an oil outlet of the reverse electromagnetic proportional overflow valve (7) is communicated with an oil tank oil port (T),
a load sensitive oil port (LS) is formed in the valve body (1), two oil inlets of the shuttle valve (8) are respectively communicated with a fan driving load sensitive oil path (LSF) and a liquid charging load sensitive oil path (LSC), an oil outlet of the shuttle valve (8) is communicated with the load sensitive oil port (LS), the shuttle valve (8) selects an oil path with large pressure to output hydraulic oil of the shuttle valve to the load sensitive oil port (LS) by comparing the pressures of the fan driving load sensitive oil path (LSF) and the liquid charging load sensitive oil path (LSC);
the fan driving load sensitive oil way (LSF) is communicated with a control oil port of the hydraulic control flow valve (4), and the liquid charging load sensitive oil way (LSC) is respectively communicated with the control oil port of the hydraulic control flow priority valve (3) and a first oil port of the high-low pressure setting valve (9);
the reverse electromagnetic proportional overflow valve (7) is used for adjusting the pressure value of a fan driving load sensitive oil circuit (LSF);
and the hydraulic control flow valve (4), the reverse electromagnetic proportional overflow valve (7) and the shuttle valve (8) are fixedly arranged inside the valve body (1).
4. The integration valve of a hydraulically powered brake, charging fan drive system as set forth in claim 2, wherein: the novel oil-saving valve is characterized by further comprising a throttling sheet (11), a filter element (12) and a one-way valve (13), wherein the throttling sheet (11), the filter element (12) and the one-way valve (13) are fixedly installed inside the valve body (1), a pressure monitoring oil port (SW) is formed in the valve body (1), an oil inlet of the filter element (12) is communicated with the pressure oil port (P), two ends of the throttling sheet (11) are respectively communicated with an oil outlet of the filter element (12) and an oil inlet of the one-way valve (13), and an oil outlet of the one-way valve (13) is communicated with a high-low pressure setting valve (9), a low-pressure priority shuttle valve (10) and the pressure monitoring oil port (SW).
5. A hydraulic brake filled fan drive system integration valve as defined in claim 3 wherein: the pressure measuring valve is characterized by further comprising a pressure measuring connector (14), a first pressure measuring oil port (MP), a second pressure measuring oil port (MB), a third pressure measuring oil port (ML), a fourth pressure measuring oil port (MR) and a fifth pressure measuring oil port (MF) are formed in the valve body (1), the first pressure measuring oil port (MP), the second pressure measuring oil port (MB), the third pressure measuring oil port (ML), the fourth pressure measuring oil port (MR) and the fifth pressure measuring oil port (MF) are respectively communicated with the pressure measuring connector (14), and the pressure measuring connector (14) is fixedly connected with the valve body (1); the first pressure measuring oil port (MP) is communicated with the pressure oil port (P), the second pressure measuring oil port (MB) is communicated with an oil inlet of the low-pressure priority shuttle valve (10), the third pressure measuring oil port (ML) is communicated with the liquid-filled load sensitive oil path (LSC), the fourth pressure measuring oil port (MR) is communicated with the fan driving load sensitive oil path (LSF), and the fifth pressure measuring oil port (MF) is communicated with the fan driving oil port (F).
6. A hydraulic brake filled fan drive system integration valve as defined in claim 3 wherein: the hydraulic control flow valve further comprises a damping hole (6), and two ends of the damping hole (6) are respectively communicated with an oil outlet of the hydraulic control flow valve (4) and an oil inlet of the reverse electromagnetic proportional overflow valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014717.8U CN217107698U (en) | 2022-04-28 | 2022-04-28 | Integrated valve of hydraulic power braking liquid-filled fan driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221014717.8U CN217107698U (en) | 2022-04-28 | 2022-04-28 | Integrated valve of hydraulic power braking liquid-filled fan driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217107698U true CN217107698U (en) | 2022-08-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221014717.8U Active CN217107698U (en) | 2022-04-28 | 2022-04-28 | Integrated valve of hydraulic power braking liquid-filled fan driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217107698U (en) |
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2022
- 2022-04-28 CN CN202221014717.8U patent/CN217107698U/en active Active
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