CN202833429U - Energy accumulator inflation pressure online testing device of hydraulic system - Google Patents
Energy accumulator inflation pressure online testing device of hydraulic system Download PDFInfo
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- CN202833429U CN202833429U CN 201220420242 CN201220420242U CN202833429U CN 202833429 U CN202833429 U CN 202833429U CN 201220420242 CN201220420242 CN 201220420242 CN 201220420242 U CN201220420242 U CN 201220420242U CN 202833429 U CN202833429 U CN 202833429U
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- control valve
- hydraulic system
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Abstract
The utility model provides an energy accumulator inflation pressure online testing device of a hydraulic system and relates to the technical field of the hydraulic system. The energy accumulator inflation pressure online testing device of the hydraulic system solves the technical problem of test of inflation pressure of a hydraulic energy accumulator. The utility model relates to the hydraulic system with the hydraulic energy accumulator. The energy accumulator inflation pressure online testing device of the hydraulic system comprises an oil inlet and outlet control valve, an oil drainage control valve, an oil inlet and outlet motion valve and an oil drainage motion valve. The hydraulic energy accumulator is provided with a pressure sensor. The oil inlet and outlet control valve and the oil drainage control valve are hydraulic controlled safe valves, and the oil inlet and outlet motion valve and the oil drainage motion valve are electromagnetic valves. Opening and closing of the oil inlet and outlet control valve are controlled by the oil inlet and outlet motion valve, and opening and closing of the oil drainage control valve is controlled by the oil drainage motion valve. Opening and closing between a high-pressure oil source and the hydraulic energy accumulator of the hydraulic system are controlled by the oil inlet and outlet control valve. Oil drainage of the hydraulic energy accumulator is controlled by the oil drainage control valve. The inflation pressure of the hydraulic energy accumulator is output by the pressure sensor. The energy accumulator inflation pressure online testing device of the hydraulic system conducts inflation pressure long-distance online test of the hydraulic energy accumulator.
Description
Technical field
The utility model relates to the hydraulic system technology, particularly relates to a kind of technology of charging pressure of accumulator on-line measuring device of hydraulic system.
Background technique
Hydraulic accumulator is the conventional device in the hydraulic system, because the variation of ambient temperature and the quality problems of accumulator self, hydraulic system needs often accumulator to be carried out the inflation pressure inspection.
As shown in Figure 2, conventional hydraulic accumulator inflation pressure detection mode is: manually close oil-feed stop valve SH1, open the stop valve SH2 that drains the oil, after discharging Deng the oil in the hydraulic accumulator NXQ2, detect the mode of table M2 reading by the artificial observation inflation pressure, know the inflation pressure in the hydraulic accumulator NXQ2, if the inflation pressure of hydraulic accumulator NXQ2 less than setting valve with regard to tonifying Qi, greater than just venting of setting valve, until the inflation pressure of hydraulic accumulator NXQ2 meets the setting valve scope of hydraulic system regulation.
The mode of conventional employing manual detection hydraulic accumulator inflation pressure exists unhandy defective, is not suitable for especially in the high-altitude, small space, dangerous occasion detect operation.
The model utility content
For the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provides a kind of charging pressure of accumulator on-line measuring device that can carry out to the hydraulic accumulator that moves in the hydraulic system hydraulic system of inflation pressure remote online detection.
In order to solve the problems of the technologies described above, the charging pressure of accumulator on-line measuring device of a kind of hydraulic system provided by the utility model, relate to hydraulic system, described hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise the turnover oil control valve, the control valve of draining the oil, pass in and out oily operating valve, the operating valve of draining the oil;
Described hydraulic accumulator is provided with the pressure transducer for detection of its inflation pressure;
Described turnover oil control valve, the control valve of draining the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged;
The oily operating valve of described turnover, the operating valve of draining the oil are solenoid valve;
The filler opening of described turnover oil control valve is received the high pressure fuel source of hydraulic system, and the hydraulic oil that the oil outlet of turnover oil control valve is received hydraulic accumulator charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve of draining the oil through the control throttle valve of draining the oil;
The hydraulic oil that the filler opening of the described control valve of draining the oil is received hydraulic accumulator charges and discharge mouth, and the oil outlet of the control valve of draining the oil is received the fuel tank of hydraulic system;
The oily operating valve of described turnover has a pressure hydraulic fluid port, a return opening, an actuator port, the pressure hydraulic fluid port that passes in and out oily operating valve is received the high pressure fuel source of hydraulic system, the return opening that passes in and out oily operating valve is received the fuel tank of hydraulic system, and the actuator port that passes in and out oily operating valve is received the hydraulic control hydraulic fluid port of turnover oil control valve through a turnover oil control throttle valve;
The described operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of the operating valve of draining the oil is received the hydraulic control hydraulic fluid port of the control valve of draining the oil, and the oil outlet of the operating valve of draining the oil is received the fuel tank of hydraulic system.
The charging pressure of accumulator on-line measuring device of the hydraulic system that the utility model provides, utilize the oily operating valve of turnover, the work of the operating valve telecontrol of draining the oil hydraulic accumulator, and the inflation pressure by pressure transducer output hydraulic pressure accumulator, can carry out to the hydraulic accumulator that moves in the hydraulic system inflation pressure remote online and detect, be particularly suitable for the high-altitude, underground, measurement space is narrow and small, manual operation is inconvenient or unsafe environment.
Description of drawings
Fig. 1 is the hydraulic diagram of charging pressure of accumulator on-line measuring device of the utility model embodiment's hydraulic system;
Fig. 2 is conventional hydraulic accumulator inflation pressure detection mode schematic representation.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
As shown in Figure 1, the charging pressure of accumulator on-line measuring device of a kind of hydraulic system that the utility model embodiment provides, relate to hydraulic system, described hydraulic system is provided with hydraulic accumulator NXQ1, fuel tank T and high pressure fuel source P, it is characterized in that: this device comprises turnover oil control valve CTV1, the control valve CTV2 that drains the oil, the oily operating valve CCF1 of turnover, operating valve CCF2 drains the oil;
Described hydraulic accumulator NXQ1 is provided with an inflation pressure detection table M1, and a pressure transducer IPA1 for detection of its inflation pressure;
Described turnover oil control valve CTV1, the control valve CTV2 that drains the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged;
The oily operating valve CCF1 of described turnover, the operating valve CCF2 that drains the oil are solenoid valve;
The filler opening of described turnover oil control valve CTV1 is received the high pressure fuel source P of hydraulic system, the hydraulic oil that the oil outlet of turnover oil control valve CTV1 is received hydraulic accumulator NXQ1 charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil through the control throttle valve ORI2 that drains the oil;
The hydraulic oil that described filler opening of draining the oil control valve CTV2 is received hydraulic accumulator NXQ1 charges and discharge mouth, and the oil outlet of the control valve CTV2 that drains the oil is received the fuel tank T of hydraulic system;
The oily operating valve CCF1 of described turnover has a pressure hydraulic fluid port, a return opening, an actuator port, the pressure hydraulic fluid port that passes in and out oily operating valve CCF1 is received the high pressure fuel source P of hydraulic system, the return opening that passes in and out oily operating valve CCF1 is received the fuel tank T of hydraulic system, and the actuator port that passes in and out oily operating valve CCF1 is received the hydraulic control hydraulic fluid port of turnover oil control valve CTV1 through a turnover oil control throttle valve ORI1;
The described operating valve CCF2 that drains the oil has a filler opening, an oil outlet, and the filler opening of the operating valve CCF2 that drains the oil is received the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil, and the oil outlet of the operating valve CCF2 that drains the oil is received the fuel tank T of hydraulic system.
The utility model embodiment's working principle is as follows:
During the normal oil-filled oil extraction of hydraulic accumulator NXQ1, pass in and out oily operating valve CCF1, the equal dead electricity of operating valve CCF2 of draining the oil, the actuator port that pass in and out oily operating valve CCF1 this moment is communicated with return opening, the operating valve CCF2 that drains the oil cut-off, pass in and out the hydraulic control hydraulic fluid port decompression of oil control valve CTV1 this moment, so that the controlled conducting of turnover oil control valve CTV1, the hydraulic oil of high pressure fuel source P is by turnover oil control valve CTV1, the control throttle valve ORI2 that drains the oil flows into the hydraulic control hydraulic fluid port of the control valve CTV2 that drains the oil, the controlled cut-off of control valve CTV2 so that drain the oil, this moment, the hydraulic oil of high pressure fuel source P entered hydraulic accumulator NXQ1 by turnover oil control valve CTV1, NXQ1 is oil-filled for hydraulic accumulator, when needs hydraulic accumulator NXQ1 fuel feeding, high pressure oil in the hydraulic accumulator NXQ1 is by turnover oil control valve CTV1 output, thus the normal function of realization accumulator.
When needing to detect the inflation pressure of hydraulic accumulator NXQ1, make first the oily operating valve CCF1 of turnover get electric, be communicated with the pressure hydraulic fluid port so that pass in and out the actuator port of oily operating valve CCF1, the hydraulic oil of high pressure fuel source P namely flows into the hydraulic control hydraulic fluid port of turnover oil control valve CTV1 by the oily operating valve CCF1 of turnover, so that the controlled cut-off of turnover oil control valve CTV1, and then the operating valve CCF2 that drains the oil must be conducted, the hydraulic control hydraulic fluid port decompression of control valve CTV2 so that drain the oil, the also immediately controlled conducting of control valve CTV2 of draining the oil, this moment, hydraulic accumulator NXQ1 was by the fuel tank T of control valve CTV2 oil extraction to hydraulic system that drain the oil, after oily drained in the hydraulic accumulator NXQ1, pressure transducer IPA1 on the hydraulic accumulator NXQ1 is that the inflation pressure signal of output hydraulic pressure accumulator NXQ1 is to external measurement devices, thereby the remote online of realizing charging pressure of accumulator detects, detect and make the oily operating valve CCF1 of turnover after complete, the equal dead electricity of operating valve CCF2 of draining the oil can make hydraulic accumulator NXQ1 return to normal working state.
The utility model embodiment can carry out to the hydraulic accumulator that moves in the hydraulic system inflation pressure remote online and detect, and on not impact of the normal operation of hydraulic system, accomplished zero internal leakage, the control solenoid valve is only charged when measuring inflation pressure, long-time running is not charged, be particularly suitable for the high-altitude, underground, measurement space is narrow and small, manual operation is inconvenient or unsafe environment.
Claims (1)
1. the charging pressure of accumulator on-line measuring device of a hydraulic system, relate to hydraulic system, described hydraulic system is provided with hydraulic accumulator, fuel tank and high pressure fuel source, it is characterized in that: this device comprise the turnover oil control valve, the control valve of draining the oil, pass in and out oily operating valve, the operating valve of draining the oil; Described hydraulic accumulator is provided with the pressure transducer for detection of its inflation pressure; Described turnover oil control valve, the control valve of draining the oil are pilot safety valve, and a filler opening, an oil outlet, a hydraulic control hydraulic fluid port are respectively arranged; The oily operating valve of described turnover, the operating valve of draining the oil are solenoid valve; The filler opening of described turnover oil control valve is received the high pressure fuel source of hydraulic system, and the hydraulic oil that the oil outlet of turnover oil control valve is received hydraulic accumulator charges and discharge mouth, and receives the hydraulic control hydraulic fluid port of the control valve of draining the oil through the control throttle valve of draining the oil; The hydraulic oil that the filler opening of the described control valve of draining the oil is received hydraulic accumulator charges and discharge mouth, and the oil outlet of the control valve of draining the oil is received the fuel tank of hydraulic system; The oily operating valve of described turnover has a pressure hydraulic fluid port, a return opening, an actuator port, the pressure hydraulic fluid port that passes in and out oily operating valve is received the high pressure fuel source of hydraulic system, the return opening that passes in and out oily operating valve is received the fuel tank of hydraulic system, and the actuator port that passes in and out oily operating valve is received the hydraulic control hydraulic fluid port of turnover oil control valve through a turnover oil control throttle valve; The described operating valve of draining the oil has a filler opening, an oil outlet, and the filler opening of the operating valve of draining the oil is received the hydraulic control hydraulic fluid port of the control valve of draining the oil, and the oil outlet of the operating valve of draining the oil is received the fuel tank of hydraulic system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420242 CN202833429U (en) | 2012-08-23 | 2012-08-23 | Energy accumulator inflation pressure online testing device of hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220420242 CN202833429U (en) | 2012-08-23 | 2012-08-23 | Energy accumulator inflation pressure online testing device of hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833429U true CN202833429U (en) | 2013-03-27 |
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ID=47945144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220420242 Withdrawn - After Issue CN202833429U (en) | 2012-08-23 | 2012-08-23 | Energy accumulator inflation pressure online testing device of hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833429U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808814A (en) * | 2012-08-23 | 2012-12-05 | 上海汇益控制系统股份有限公司 | Device for detecting inflation pressure of energy accumulator of hydraulic system on line |
| CN103233945A (en) * | 2013-05-08 | 2013-08-07 | 布柯玛蓄能器（天津）有限公司 | Oil pressure test bed of energy accumulator |
-
2012
- 2012-08-23 CN CN 201220420242 patent/CN202833429U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102808814A (en) * | 2012-08-23 | 2012-12-05 | 上海汇益控制系统股份有限公司 | Device for detecting inflation pressure of energy accumulator of hydraulic system on line |
| CN102808814B (en) * | 2012-08-23 | 2015-10-21 | 上海汇益控制系统股份有限公司 | The charging pressure of accumulator on-line measuring device of hydraulic system |
| CN103233945A (en) * | 2013-05-08 | 2013-08-07 | 布柯玛蓄能器（天津）有限公司 | Oil pressure test bed of energy accumulator |
| CN103233945B (en) * | 2013-05-08 | 2015-12-02 | 布柯玛蓄能器（天津）有限公司 | A kind of accumulator oil test platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130327 Effective date of abandoning: 20151021 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |