CN208669752U - A kind of oil cylinder control examining system - Google Patents

A kind of oil cylinder control examining system Download PDF

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Publication number
CN208669752U
CN208669752U CN201821157804.2U CN201821157804U CN208669752U CN 208669752 U CN208669752 U CN 208669752U CN 201821157804 U CN201821157804 U CN 201821157804U CN 208669752 U CN208669752 U CN 208669752U
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China
Prior art keywords
valve
pressure
oil
oil path
working oil
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Application number
CN201821157804.2U
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Chinese (zh)
Inventor
刘双全
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SHANGHAI ACC HYDRAU TECHNOLOGY CO LTD
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SHANGHAI ACC HYDRAU TECHNOLOGY CO LTD
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Abstract

The utility model discloses a kind of oil cylinder control examining system, realizes reciprocating continuous survey pressure, and survey pressure range and reached 50-70Mpa;A kind of technical solution of use are as follows: oil cylinder control examining system, one end of first working oil path and the second working oil path is provided with digital pressure transducer, the other end of first working oil path and the second working oil path is connected to the cavity of ram cylinder piston two sides in oil cylinder test platform respectively, first valve group and the second valve group are two position four-way valves, the oil return opening of first valve group and the second valve group, oil inlet, first actuator port and the second actuator port respectively corresponds and oil return line, oil inlet pipe, first working oil path is connected to the second working oil path, two actuator port ends of the first valve group are respectively connected with solenoid valve, two actuator port ends of the second valve group are respectively connected with pressure charging valve, the first valve group is controlled respectively by solenoid valve and pressure charging valve and the second valve group tests different pressure.

Description

A kind of oil cylinder control examining system
Technical field
A kind of oil cylinder control examining system of the utility model belongs to oil cylinder control survey technology field.
Background technique
Current oil cylinder observing and controlling there are problems that continuous measurement cannot be recycled, and the oil cylinder working-pressure tested is limited, and highest is only For 30MPa, it is unable to test the oil cylinder working-pressure more than 30MPa.
Utility model content
The utility model overcomes the shortcomings of the prior art, provides a kind of oil cylinder control examining system, realizes reciprocating It is continuous to survey pressure, and survey pressure range and reached 50-70MPa.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model are as follows: a kind of oil cylinder control examining system, including Fuel tank, surveys pressure ball valve, digital pressure transducer and oil cylinder test platform at Variable plunger pump, between the survey pressure ball valve and fuel tank It is connected to by Variable plunger pump, the Variable plunger pump is used to give survey pressure ball valve fuel feeding, the digital pressure transducer and oil cylinder Test platform is connected to survey pressure ball valve, and the oil cylinder test platform is the cylinder structure including ram cylinder, described The hydraulic fluid pressure that aobvious pressure transmitter is used to implement to show access into oil cylinder test platform;
The structure of the oil cylinder test platform are as follows: including the first valve group, the second valve group, oil return line, oil inlet pipe, first One end of working oil path and the second working oil path, first working oil path and the second working oil path is provided with the change of digital display pressure Send device, the other end of first working oil path and the second working oil path respectively with ram cylinder piston in oil cylinder test platform The cavitys of two sides is connected to, and first valve group and the second valve group are two position four-way valves, first valve group and the second valve group Oil return opening, oil inlet, the first actuator port and the second actuator port respectively correspond and oil return line, oil inlet pipe, the first work Oil circuit and the connection of the second working oil path, two actuator port ends of first valve group are respectively connected with solenoid valve, second valve Two actuator port ends of group are respectively connected with pressure charging valve, control the first valve group and the second valve group respectively by solenoid valve and pressure charging valve Test different pressure.
Remote control magnetic valve is provided between the survey pressure ball valve and Variable plunger pump.
The utility model has the beneficial effect that oil cylinder working-pressure that the utility model can be tested more compared with prior art The present 50-70MPa of height, originally 30MPa, automatic reciprocating, auto-programming (PLC the control)+solenoid directional control valve of use of energy, oil cylinder control Valve platform processed is connect with tested oil cylinder by hose, and testing stand hydraulic station provides power for ram control valve platform, is tested oil cylinder working-pressure Higher, booster realization is integrated on control valve platform, improves working efficiency.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the first valve group in the utility model.
Fig. 3 is the structural schematic diagram of the second valve group in the utility model.
In figure: 1 be fuel tank, 2 be Variable plunger pump, 3 be survey pressure ball valve, 31 be the first valve group, 32 be the second valve group, 33 be Oil return line, 34 be oil inlet pipe, 35 be the first working oil path, 36 be the second working oil path, 37 be solenoid valve, 38 be pressurization Valve, 4 be digital pressure transducer, 5 be oil cylinder test platform, 6 be remote control magnetic valve.
Specific embodiment
As shown in Figure 1, Figure 2 and Figure 3, a kind of oil cylinder control examining system of the utility model, including fuel tank 1, Variable plunger pump 2, Pressure ball valve 3, digital pressure transducer 4 and oil cylinder test platform 5 are surveyed, passes through variable piston between the survey pressure ball valve 3 and fuel tank 1 2 connection of pump, the Variable plunger pump 2 are used to give survey 3 fuel feeding of pressure ball valve, the digital pressure transducer 4 and oil cylinder test platform 5 It is connected to survey pressure ball valve 3, the oil cylinder test platform 5 is the cylinder structure including ram cylinder, the aobvious pressure Transmitter 4 is used for the hydraulic fluid pressure for implementing to show access into oil cylinder test platform 5;
The structure of the oil cylinder test platform 5 are as follows: including the first valve group 31, the second valve group 32, oil return line 33, oil inlet pipe Road 34, the first working oil path 35 and the second working oil path 36, one end of first working oil path 35 and the second working oil path 36 Be provided with digital pressure transducer 4, the other end of first working oil path 35 and the second working oil path 36 respectively with oil cylinder The cavity connection of ram cylinder piston two sides in test platform 5, first valve group 31 and the second valve group 32 are two four Oil return opening, oil inlet, the first actuator port and the second actuator port difference of port valve, first valve group 31 and the second valve group 32 Correspondence is connected to oil return line 33, oil inlet pipe 34, the first working oil path 35 and the second working oil path 36, first valve group 31 Two actuator port ends be respectively connected with solenoid valve 37, two actuator port ends of second valve group 32 are respectively connected with pressure charging valve 38, the first valve group 31 is controlled by solenoid valve 37 and pressure charging valve 38 respectively and the second valve group 32 tests different pressure.
Remote control magnetic valve 6 is provided between the survey pressure ball valve 3 and Variable plunger pump 2.
The course of work of the utility model:
1, starting pressure adjusts 0-Xbar by remote pressure regulating valve, and pressure value is observed by digital pressure transducer, unit bar。
2, mesolow test adjusts 0-220bar by remote pressure regulating valve, and the pressure maintaining of A/B chamber obtains electric guarantor by corresponding Solenoid ball valve Pressure.Pressure value is observed by digital pressure transducer.
3, by remote pressure regulating valve to > 150bar, pressure reducing valve is adjusted to 147bar, cuts for Hi-pot test (loading when Overstroke) It changes solenoid valve and corresponds to function position, booster work is pressurized to 500bar, and corresponding cavity Solenoid ball valve obtains electric pressure maintaining, and solenoid valve loses Electricity, system uninstallation, dwell pressure value are observed by digital pressure transducer.
4, B1 oil circuit is independent control oil circuit spare all the way, and pressure passes through decompression valve regulation.
5, also reserved P'T' in system, can use when testing valve block component.
6, the extra oil liquid of hydraulic cylinder test platform is got in system oil return filter preceding pipeline by filtering trolley, this circuit It is upper that check valve is housed, prevent the standby pressure of oil return from filtering trolley is impacted or being damaged, the extra oil liquid of test platform should be in every work of nature It is drawn back in fuel tank after work.
The embodiments of the utility model have been described in detail above with reference to the accompanying drawings, but the utility model is not limited to Embodiment is stated, within the knowledge of a person skilled in the art, the utility model aims can also not departed from Under the premise of various changes can be made.

Claims (2)

1. a kind of oil cylinder control examining system, which is characterized in that including fuel tank (1), Variable plunger pump (2), survey pressure ball valve (3), digital display Pressure transmitter (4) and oil cylinder test platform (5) pass through Variable plunger pump (2) between the survey pressure ball valve (3) and fuel tank (1) Connection, the Variable plunger pump (2) are used for pressure ball valve (3) fuel feeding is surveyed, and the digital pressure transducer (4) and oil cylinder test are flat Platform (5) is connected to survey pressure ball valve (3), and the oil cylinder test platform (5) is the cylinder structure including ram cylinder, institute Digital pressure transducer (4) are stated for implementing the hydraulic fluid pressure showed access into oil cylinder test platform (5);
The structure for surveying pressure ball valve (3) are as follows: including the first valve group (31), the second valve group (32), oil return line (33), oil inlet pipe Road (34), the first working oil path (35) and the second working oil path (36), first working oil path (35) and the second working oil path (36) one end is provided with digital pressure transducer (4), first working oil path (35) and the second working oil path (36) The other end is connected to the cavity of ram cylinder piston two sides in oil cylinder test platform (5) respectively, first valve group (31) and Second valve group (32) is two position four-way valves, oil return opening, the oil inlet, first of first valve group (31) and the second valve group (32) Actuator port and the second actuator port respectively correspond with oil return line (33), oil inlet pipe (34), the first working oil path (35) and Second working oil path (36) connection, two actuator port ends of first valve group (31) are respectively connected with solenoid valve (37), described Two actuator port ends of the second valve group (32) are respectively connected with pressure charging valve (38), pass through solenoid valve (37) and pressure charging valve (38) difference Control the first valve group (31) pressure different with the second valve group (32) test.
2. a kind of oil cylinder control examining system according to claim 1, which is characterized in that the survey pressure ball valve (3) and variable column Remote control magnetic valve (6) are provided between plug pump (2).
CN201821157804.2U 2018-07-20 2018-07-20 A kind of oil cylinder control examining system Active CN208669752U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821157804.2U CN208669752U (en) 2018-07-20 2018-07-20 A kind of oil cylinder control examining system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821157804.2U CN208669752U (en) 2018-07-20 2018-07-20 A kind of oil cylinder control examining system

Publications (1)

Publication Number Publication Date
CN208669752U true CN208669752U (en) 2019-03-29

Family

ID=65828790

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821157804.2U Active CN208669752U (en) 2018-07-20 2018-07-20 A kind of oil cylinder control examining system

Country Status (1)

Country Link
CN (1) CN208669752U (en)

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