CN102435431B - Comprehensive test platform for valve used for mining hydraulic bracket - Google Patents
Comprehensive test platform for valve used for mining hydraulic bracket Download PDFInfo
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- CN102435431B CN102435431B CN201110364092.8A CN201110364092A CN102435431B CN 102435431 B CN102435431 B CN 102435431B CN 201110364092 A CN201110364092 A CN 201110364092A CN 102435431 B CN102435431 B CN 102435431B
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Abstract
The invention discloses a comprehensive test platform for a valve used for a mining hydraulic bracket, which comprises a programmable controller, an oil tank, a main pump set, an electric hydraulic commutator set, a safety valve test module, a hydraulic control one-way valve test module and a solenoid directional valve test module, wherein the main pump set is communicated with the oil tank; the main pump set is communicated with the electric hydraulic commutator set; the electric hydraulic commutator set is connected to the programmable controller; the electric hydraulic commutator set is connected to the safety valve test module; the electric hydraulic commutator set is connected to the hydraulic control one-way valve test module; and the electric hydraulic commutator set is connected to the solenoid directional valve test module. The comprehensive test platform has the advantages that the programmable controller is respectively connected to the safety valve test module, the hydraulic control one-way valve test module and the solenoid directional valve test module through the electric hydraulic commutator set, and the switch-on/off of an oil path is controlled by the electric hydraulic commutator set so as to test various properties of a safety valve, a hydraulic control one-way valve and a solenoid directional valve, such as the tightness of a hydraulic valve under a state of a standard pressure, lowest pressure or highest pressure.
Description
Technical field
The present invention relates to a kind of hydraulic valve integral test system, relate in particular to a kind of comprehensive test platform for valve used for mining hydraulic bracket.
Background technology
Coal mining need to be used a large amount of hydraulic top board mounts, needs to use various valves on hydraulic top board mount.Different with role according to principle of work, hydraulic valve can be divided into safety valve, hydraulic control one-way valve, reversal valve, pilot valve and stop valve.In the performance of above-mentioned various hydraulic valves, comprise following several requirement: minimum pressure requires, top pressure requires and normal pressure requirement.While being less than 2MPa as the minimum pressurized when hydraulic valve, can not there is seepage in hydraulic valve; When the highest pressurized of hydraulic valve is greater than 60 MPa, can not there is seepage in hydraulic valve; Need to test the situation that its standard is depressed in addition.Current hydraulic valve test board, is a certain test request of planting valve for single mostly, and it is relatively simple for structure, test function is single.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multi-functional comprehensive test platform for valve used for mining hydraulic bracket.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of comprehensive test platform for valve used for mining hydraulic bracket, comprise Programmable Logic Controller, oil groove, main pump group, electricity liquid commutator group, safety valve testing module, hydraulic control one-way valve test module and solenoid directional control valve test module, described main pump group is communicated with described oil groove, described main pump group is communicated with described electric liquid commutator group, described electric liquid commutator group is connected with described Programmable Logic Controller, described electric liquid commutator group is connected with safety valve testing module, described electric liquid commutator group is connected with hydraulic control one-way valve test module, described electric liquid commutator group is connected with solenoid directional control valve test module.
Described main pump group comprises the first main pump and the second main pump, the first main pump is communicated with oil groove by the first oil absorption filter, the second main pump is communicated with oil groove by the second oil absorption filter, described electric liquid commutator group comprises pilot valves and reversal valve group, described pilot valves is connected with described reversal valve group, described pilot valves is connected with described Programmable Logic Controller, described reversal valve group is communicated with the first main pump and the second main pump respectively by working connection, described pilot valves is communicated with the first main pump and the second main pump respectively by working connection, described reversal valve group is communicated with described oil groove by return line, described reversal valve group respectively with safety valve testing module, hydraulic control one-way valve test module and solenoid directional control valve test module.
On described return line, be provided with flow control valve, between described working connection and described return line, be provided with voltage regulating module.
Described safety valve testing module comprises the first pressure piping, the first pressure relief pipeline and the first pressure regulation pipeline, described hydraulic control one-way valve test module comprises the second pressure piping, the second pressure relief pipeline and the second pressure regulation pipeline and rate of pressure rise adjustment module, described solenoid directional control valve test module comprises the 3rd pressure regulation pipeline, the 3rd pressure relief pipeline and the 3rd pressure piping, described reversal valve group is connected with tested safety valve by the first described pressure piping, described reversal valve group is connected with tested safety valve by the first described pressure relief pipeline, described reversal valve group is connected with tested safety valve by the first described pressure regulation pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure piping, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure relief pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure regulation pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by described rate of pressure rise adjustment module, described reversal valve group is connected with tested solenoid directional control valve by the 3rd described pressure regulation pipeline, described reversal valve group is connected with tested solenoid directional control valve by the 3rd described pressure relief pipeline, described reversal valve group is connected with survey solenoid directional control valve by the 3rd described pressure piping.
Described Programmable Logic Controller comprises that model is chip and the peripheral circuit of FX2N-128MR, and described pilot valves comprises the first pilot valve, the second pilot valve, the 3rd pilot valve, the 4th pilot valve, the 5th pilot valve, the 6th pilot valve, the 7th pilot valve, the 8th pilot valve, the 9th pilot valve, the tenth pilot valve, the 11 pilot valve, the 12 pilot valve, the 13 pilot valve, the 14 pilot valve, the 15 pilot valve, the 16 pilot valve, the 17 pilot valve, the 18 pilot valve, the 19 pilot valve, the 20 pilot valve, the 21 pilot valve, the 22 pilot valve, the 23 pilot valve and the 24 pilot valve, reversal valve group comprises the first reversal valve, the second reversal valve, the 3rd reversal valve, the 4th reversal valve, the 5th reversal valve, the 6th reversal valve, the 7th reversal valve, the 8th reversal valve, the 9th reversal valve, the tenth reversal valve, the 11 reversal valve, the 12 reversal valve, the 13 reversal valve, the 14 reversal valve, the 15 reversal valve, the 16 reversal valve, the 17 reversal valve, the 18 reversal valve, the 19 reversal valve, the 20 reversal valve, the 21 reversal valve, the 22 reversal valve, the 23 reversal valve and the 24 reversal valve,
The electromagnetism end of the first pilot valve is connected with the first control end of chip, the electromagnetism end of the second pilot valve is connected with the second control end of chip, the electromagnetism end of the 3rd pilot valve is connected with the 3rd control end of chip, the electromagnetism end of the 4th pilot valve is connected with the 4th control end of chip, the electromagnetism end of the 5th pilot valve is connected with the 5th control end of chip, the electromagnetism end of the 6th pilot valve is connected with the 6th control end of chip, the electromagnetism end of the 7th pilot valve is connected with the 7th control end of chip, the electromagnetism end of the 8th pilot valve is connected with the 8th control end of chip, the electromagnetism end of the 9th pilot valve is connected with the 9th control end of chip, the electromagnetism end of the tenth pilot valve is connected with the tenth control end of chip, the electromagnetism end of the 11 pilot valve is connected with the 11 control end of chip, the electromagnetism end of the 12 pilot valve is connected with the 12 control end of chip, the electromagnetism end of the 13 pilot valve is connected with the 13 control end of chip, the electromagnetism end of the 14 pilot valve is connected with the 14 control end of chip, the electromagnetism end of the 15 pilot valve is connected with the 15 control end of chip, the electromagnetism end of the 16 pilot valve is connected with the 16 control end of chip, the electromagnetism end of the 17 pilot valve is connected with the 17 control end of chip, the electromagnetism end of the 18 pilot valve is connected with the 18 control end of chip, the electromagnetism end of the 19 pilot valve is connected with the 19 control end of chip, the electromagnetism end of the 20 pilot valve is connected with the 20 control end of chip, the electromagnetism end of the 21 pilot valve is connected with the 21 control end of chip, the electromagnetism end of the 22 pilot valve is connected with the 22 control end of chip, the electromagnetism end of the 23 pilot valve is connected with the 23 control end of chip, and the electromagnetism end of the 24 pilot valve is connected with the 24 control end of chip,
The oil-in of the first pilot valve, the oil-in of the second pilot valve, the oil-in of the 3rd pilot valve, the oil-in of the 4th pilot valve, the oil-in of the 5th pilot valve, the oil-in of the 6th pilot valve, the oil-in of the 7th pilot valve, the oil-in of the 8th pilot valve, the oil-in of the 9th pilot valve, the oil-in of the tenth pilot valve, the oil-in of the 11 pilot valve, the oil-in of the 12 pilot valve, the oil-in of the 13 pilot valve, the oil-in of the 14 pilot valve, the oil-in of the 15 pilot valve, the oil-in of the 16 pilot valve, the oil-in of the 17 pilot valve, the oil-in of the 18 pilot valve, the oil-in of the 19 pilot valve, the oil-in of the 20 pilot valve, the oil-in of the 21 pilot valve, the oil-in of the 22 pilot valve, the 23 oil-in of pilot valve and the oil-in of the 24 pilot valve are communicated with working connection respectively,
The oil-in of the first reversal valve, the oil-in of the second reversal valve, the oil-in of the 3rd reversal valve, the oil-in of the 4th reversal valve, the oil-in of the 5th reversal valve, the oil-in of the 6th reversal valve, the oil-in of the 7th reversal valve, the oil-in of the 8th reversal valve, the oil-in of the 9th reversal valve, the oil-in of the tenth reversal valve, the oil-in of the 11 reversal valve, the oil-in of the 12 reversal valve, the oil-in of the 13 reversal valve, the oil-in of the 14 reversal valve, the oil-in of the 15 reversal valve, the oil-in of the 16 reversal valve, the oil-in of the 17 reversal valve, the oil-in of the 18 reversal valve, the oil-in of the 19 reversal valve, the oil-in of the 20 reversal valve, the oil-in of the 21 reversal valve, the oil-in of the 22 reversal valve, the 23 oil-in of reversal valve and the oil-in of the 24 reversal valve are communicated with working connection respectively,
The oil-out of the first pilot valve, the oil-out of the second pilot valve, the oil-out of the 3rd pilot valve, the oil-out of the 4th pilot valve, the oil-out of the 5th pilot valve, the oil-out of the 6th pilot valve, the oil-out of the 7th pilot valve, the oil-out of the 8th pilot valve, the oil-out of the 9th pilot valve, the oil-out of the tenth pilot valve, the oil-out of the 11 pilot valve, the oil-out of the 12 pilot valve, the oil-out of the 13 pilot valve, the oil-out of the 14 pilot valve, the oil-out of the 15 pilot valve, the oil-out of the 16 pilot valve, the oil-out of the 17 pilot valve, the oil-out of the 18 pilot valve, the oil-out of the 19 pilot valve, the oil-out of the 20 pilot valve, the oil-out of the 21 pilot valve, the oil-out of the 22 pilot valve, the 23 oil-out of pilot valve and the oil-out of the 24 pilot valve are communicated with return line respectively,
The oil-out of the first reversal valve, the oil-out of the second reversal valve, the oil-out of the 3rd reversal valve, the oil-out of the 4th reversal valve, the oil-out of the 5th reversal valve, the oil-out of the 6th reversal valve, the oil-out of the 7th reversal valve, the oil-out of the 8th reversal valve, the oil-out of the 9th reversal valve, the oil-out of the tenth reversal valve, the oil-out of the 11 reversal valve, the oil-out of the 12 reversal valve, the oil-out of the 13 reversal valve, the oil-out of the 14 reversal valve, the oil-out of the 15 reversal valve, the oil-out of the 16 reversal valve, the oil-out of the 17 reversal valve, the oil-out of the 18 reversal valve, the oil-out of the 19 reversal valve, the oil-out of the 20 reversal valve, the oil-out of the 21 reversal valve, the oil-out of the 22 reversal valve, the 23 oil-out of reversal valve and the oil-out of the 24 reversal valve are communicated with return line respectively,
The control end of the first pilot valve is connected with the electromagnetism end of the first reversal valve, the control end of the second pilot valve is connected with the electromagnetism end of the second reversal valve, the control end of the 3rd pilot valve is connected with the electromagnetism end of the 3rd reversal valve, the control end of the 4th pilot valve is connected with the electromagnetism end of the 4th reversal valve, the control end of the 5th pilot valve is connected with the electromagnetism end of the 5th reversal valve, the control end of the 6th pilot valve is connected with the electromagnetism end of the 6th reversal valve, the control end of the 7th pilot valve is connected with the electromagnetism end of the 7th reversal valve, the control end of the 8th pilot valve is connected with the electromagnetism end of the 8th reversal valve, the control end of the 9th pilot valve is connected with the electromagnetism end of the 9th reversal valve, the control end of the tenth pilot valve is connected with the electromagnetism end of the tenth reversal valve, the control end of the 11 pilot valve is connected with the electromagnetism end of the 11 reversal valve, the control end of the 12 pilot valve is connected with the electromagnetism end of the 12 reversal valve, the control end of the 13 pilot valve is connected with the electromagnetism end of the 13 reversal valve, the control end of the 14 pilot valve is connected with the electromagnetism end of the 14 reversal valve, the control end of the 15 pilot valve is connected with the electromagnetism end of the 15 reversal valve, the control end of the 16 pilot valve is connected with the electromagnetism end of the 16 reversal valve, the control end of the 17 pilot valve is connected with the electromagnetism end of the 17 reversal valve, the control end of the 18 pilot valve is connected with the electromagnetism end of the 18 reversal valve, the control end of the 19 pilot valve is connected with the electromagnetism end of the 19 reversal valve, the control end of the 20 pilot valve is connected with the electromagnetism end of the 20 reversal valve, the control end of the 21 pilot valve is connected with the electromagnetism end of the 21 reversal valve, the control end of the 22 pilot valve is connected with the electromagnetism end of the 22 reversal valve, the control end of the 23 pilot valve is connected with the electromagnetism end of the 23 reversal valve, and the control end of the 24 pilot valve is connected with the electromagnetism end of the 24 reversal valve.
The first described pressure piping comprises the first one-way throttle stop valve, the first pressurized cylinder and the second tubular type retaining valve, the control end of the first reversal valve is connected with the first pressurized cylinder by the first described one-way throttle stop valve, the first pressurized cylinder is communicated with tested safety valve by the first tubular type retaining valve, the control end of the second reversal valve is communicated with tested safety valve by the second tubular type retaining valve and the first tubular type retaining valve successively
The first pressure relief pipeline comprises the first hydraulic control one-way valve, and the control end of the 3rd reversal valve is communicated with tested safety valve by the first described hydraulic control one-way valve,
The first pressure regulation pipeline comprises the first adjustable throttling, the first reduction valve and three-tube type retaining valve, and the control end of the 4th reversal valve is communicated with the first reduction valve by the first adjustable throttling, and the first reduction valve is communicated with tested safety valve by three-tube type retaining valve;
The second pressure piping comprises the second one-way throttle stop valve, the second pressurized cylinder and the 5th tubular type retaining valve, the control end of the 5th reversal valve is connected with the second pressurized cylinder by the second one-way throttle stop valve, the second pressurized cylinder is communicated with one end of tested hydraulic control one-way valve by the 4th tubular type retaining valve, the control end of the 6th reversal valve is communicated with one end of tested hydraulic control one-way valve by the 5th tubular type retaining valve and the 4th tubular type retaining valve successively
The second pressure relief pipeline comprises the second hydraulic control one-way valve, and the control end of the 7th reversal valve is communicated with one end of tested hydraulic control one-way valve by the second described hydraulic control one-way valve,
The second pressure regulation pipeline comprises the second adjustable throttling, two position, three-way electromagnetic change valve, the second reduction valve and the 6th tubular type retaining valve, the control end of the 8th reversal valve is communicated with two position, three-way electromagnetic change valve by the second adjustable throttling, two position, three-way electromagnetic change valve is communicated with one end of tested hydraulic control one-way valve by the second reduction valve and the 6th tubular type retaining valve successively
The control end of the 12 reversal valve is communicated with one end of tested hydraulic control one-way valve by quantitative cylinder and the first high-pressure ball valve successively,
The tenth control end of reversal valve and the other end of tested hydraulic control one-way valve are communicated with,
The control end of the 13 reversal valve is communicated with the control end of switch solenoid directional control valve;
The 3rd pressure piping comprises the 3rd one-way throttle stop valve, the 3rd pressurized cylinder, the 8th tubular type retaining valve and the 9th tubular type retaining valve, the control end of the 14 reversal valve is communicated with the 3rd pressurized cylinder by the 3rd one-way throttle stop valve, the 3rd pressurized cylinder is communicated with the liquid feeding end end of tested solenoid directional control valve by the 8th tubular type retaining valve, and the control end of the 15 reversal valve is communicated with the liquid feeding end of tested solenoid directional control valve by the 9th tubular type retaining valve;
The 3rd pressure relief pipeline comprises the 3rd hydraulic control one-way valve, and the control end of the 17 reversal valve is communicated with the liquid feeding end end of tested solenoid directional control valve by the 3rd hydraulic control one-way valve, forms relief circuit.
The second pressure regulation pipeline comprises the 3rd adjustable throttling, the 3rd reduction valve and the 7th tubular type retaining valve, the control end of the 18 reversal valve is communicated with the 3rd reduction valve by the 3rd adjustable throttling, the 3rd reduction valve is communicated with the liquid feeding end of tested solenoid directional control valve by the 7th tubular type retaining valve, form intensity loop, detect solenoid valve intensity.
The control end of the 19 reversal valve is connected with the electromagnetism end of the 3rd hydraulic control one-way valve;
The control end of the 20 reversal valve is connected with the electromagnetism end of the first high-pressure ball valve;
The control end of the 22 reversal valve is connected with the electromagnetism end of the second hydraulic control one-way valve;
The control end of the 24 reversal valve is connected with the electromagnetism end of the first hydraulic control one-way valve;
Twoly go out the quantitative cylinder of thick stick one end and be communicated with the oil-in of tested solenoid directional control valve by third high pressure ball valve, twoly go out the quantitative cylinder other end of thick stick and be communicated with the oil return opening of tested solenoid directional control valve by the 5th high-pressure ball valve.
Compared with prior art, the invention has the advantages that Programmable Logic Controller by electric liquid commutator group respectively with safety valve testing module, hydraulic control one-way valve test module, solenoid directional control valve test module connects, by electric liquid commutator group being carried out to the break-make of oil circuit control, carry out test safety valve, hydraulic control one-way valve, the various performances of solenoid directional control valve, as the sealing of hydraulic valve under normal pressure or minimum pressure or maximum pressure state, pressure flow characteristics auto, endurance quality and strength character etc., and automatically record the test data of each valve, all valves only need one-step installation, all tests complete automatically.Solenoid directional control valve test module can also be tested the hydraulic performance of electromagnetic priority valve and stop valve.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 A is some work schematic diagram of the present invention;
Fig. 2 B is some work schematic diagram of the present invention;
Fig. 3 is the structural drawing of electric liquid commutator group of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
A kind of comprehensive test platform for valve used for mining hydraulic bracket, comprise Programmable Logic Controller A1, oil groove A2, main pump group A3, electricity liquid commutator group A4, safety valve testing modules A 5, hydraulic control one-way valve test module A6 and solenoid directional control valve test module A7, main pump group A3 is communicated with oil groove A2, main pump group A3 is communicated with electric liquid commutator group A4, electricity liquid commutator group A4 is connected with Programmable Logic Controller A1, electricity liquid commutator group A4 is connected with safety valve testing modules A 5, electricity liquid commutator group A4 is connected with hydraulic control one-way valve test module A6, electricity liquid commutator group A4 is connected with solenoid directional control valve test module A7.
Main pump group A3 comprises the first main pump A11 and the second main pump A12, the first main pump A11 is communicated with oil groove A2 by the first oil absorption filter 11.3, the second main pump A12 is communicated with oil groove A2 by the second oil absorption filter 11.1, electricity liquid commutator group A4 comprises pilot valves and reversal valve group, pilot valves is connected with reversal valve group, pilot valves is connected with Programmable Logic Controller PLC, reversal valve group is communicated with the first main pump A11 and the second main pump A12 respectively by working connection L, pilot valves is communicated with the first main pump A11 and the second main pump A12 respectively by working connection L, reversal valve group is communicated with oil groove A2 by return line H, reversal valve group respectively with safety valve testing modules A 5, hydraulic control one-way valve test module A6 and solenoid directional control valve test module A7.
On return line H, be provided with flow control valve A8, between working connection L and return line H, be provided with voltage regulating module A9.
Safety valve testing modules A 5 comprises the first pressure piping A51, the first pressure relief pipeline A52 and the first pressure regulation pipeline A53, hydraulic control one-way valve test module A6 comprises the second pressure piping A61, the second pressure relief pipeline A62 and the second pressure regulation pipeline A63 and rate of pressure rise adjustment module A64, solenoid directional control valve test module A7 comprises the 3rd pressure regulation pipeline A71, the 3rd pressure relief pipeline A72 and the 3rd pressure piping A73, reversal valve group is connected with tested safety valve B1 by the first pressure piping A51, reversal valve group is connected with tested safety valve B1 by the first pressure relief pipeline A52, reversal valve group is connected with tested safety valve B1 by the first pressure regulation pipeline A53, reversal valve group is connected with tested hydraulic control one-way valve B2 by the second pressure piping A61, reversal valve group is connected with tested hydraulic control one-way valve B2 by the second pressure relief pipeline A62, reversal valve group is connected with tested hydraulic control one-way valve B2 by the second pressure regulation pipeline A63, reversal valve group is connected with tested hydraulic control one-way valve B2 by rate of pressure rise adjustment module A64, reversal valve group is connected with tested solenoid directional control valve B3 by the 3rd pressure regulation pipeline A71, reversal valve group is connected with tested solenoid directional control valve B3 by the 3rd pressure relief pipeline A72, reversal valve group is connected with survey solenoid directional control valve B3 by the 3rd pressure piping A73.
Programmable Logic Controller PLC comprises that model is chip and the peripheral circuit of FX2N-128MR, and pilot valves comprises the first pilot valve X1, the second pilot valve X2, the 3rd pilot valve X3, the 4th pilot valve X4, the 5th pilot valve X5, the 6th pilot valve X6, the 7th pilot valve X7, the 8th pilot valve X8, the 9th pilot valve X9, the tenth pilot valve X10, the 11 pilot valve X11, the 12 pilot valve X12, the 13 pilot valve X13, the 14 pilot valve X14, the 15 pilot valve X15, the 16 pilot valve X16, the 17 pilot valve X17, the 18 pilot valve X18, the 19 pilot valve X19, the 20 pilot valve X20, the 21 pilot valve X21, the 22 pilot valve X22, the 23 pilot valve X23 and the 24 pilot valve X24, reversal valve group comprises the first reversal valve F1, the second reversal valve F2, the 3rd reversal valve F3, the 4th reversal valve F4, the 5th reversal valve F5, the 6th reversal valve F6, the 7th reversal valve F7, the 8th reversal valve F8, the 9th reversal valve F9, the tenth reversal valve F10, the 11 reversal valve F11, the 12 reversal valve F12, the 13 reversal valve F13, the 14 reversal valve F14, the 15 reversal valve F15, the 16 reversal valve F16, the 17 reversal valve F17, the 18 reversal valve F18, the 19 reversal valve F19, the 20 reversal valve F20, the 21 reversal valve F21, the 22 reversal valve F22, the 23 reversal valve F23 and the 24 reversal valve F24,
The electromagnetism end of the first pilot valve X1 is connected with the first control end of chip, the electromagnetism end of the second pilot valve X2 is connected with the second control end of chip, the electromagnetism end of the 3rd pilot valve X3 is connected with the 3rd control end of chip, the electromagnetism end of the 4th pilot valve X4 is connected with the 4th control end of chip, the electromagnetism end of the 5th pilot valve X5 is connected with the 5th control end of chip, the electromagnetism end of the 6th pilot valve X6 is connected with the 6th control end of chip, the electromagnetism end of the 7th pilot valve X7 is connected with the 7th control end of chip, the electromagnetism end of the 8th pilot valve X8 is connected with the 8th control end of chip, the electromagnetism end of the 9th pilot valve X9 is connected with the 9th control end of chip, the electromagnetism end of the tenth pilot valve X10 is connected with the tenth control end of chip, the electromagnetism end of the 11 pilot valve X11 is connected with the 11 control end of chip, the electromagnetism end of the 12 pilot valve X12 is connected with the 12 control end of chip, the electromagnetism end of the 13 pilot valve X13 is connected with the 13 control end of chip, the electromagnetism end of the 14 pilot valve X14 is connected with the 14 control end of chip, the electromagnetism end of the 15 pilot valve X15 is connected with the 15 control end of chip, the electromagnetism end of the 16 pilot valve X16 is connected with the 16 control end of chip, the electromagnetism end of the 17 pilot valve X17 is connected with the 17 control end of chip, the electromagnetism end of the 18 pilot valve X18 is connected with the 18 control end of chip, the electromagnetism end of the 19 pilot valve X19 is connected with the 19 control end of chip, the electromagnetism end of the 20 pilot valve X20 is connected with the 20 control end of chip, the electromagnetism end of the 21 pilot valve X21 is connected with the 21 control end of chip, the electromagnetism end of the 22 pilot valve X22 is connected with the 22 control end of chip, the electromagnetism end of the 23 pilot valve X23 is connected with the 23 control end of chip, and the electromagnetism end of the 24 pilot valve X24 is connected with the 24 control end of chip,
The oil-in of the first pilot valve X1, the oil-in of the second pilot valve X2, the oil-in of the 3rd pilot valve X3, the oil-in of the 4th pilot valve X4, the oil-in of the 5th pilot valve X5, the oil-in of the 6th pilot valve X6, the oil-in of the 7th pilot valve X7, the oil-in of the 8th pilot valve X8, the oil-in of the 9th pilot valve X9, the oil-in of the tenth pilot valve X10, the oil-in of the 11 pilot valve X11, the oil-in of the 12 pilot valve X12, the oil-in of the 13 pilot valve X13, the oil-in of the 14 pilot valve X14, the oil-in of the 15 pilot valve X15, the oil-in of the 16 pilot valve X16, the oil-in of the 17 pilot valve X17, the oil-in of the 18 pilot valve X18, the oil-in of the 19 pilot valve X19, the oil-in of the 20 pilot valve X20, the oil-in of the 21 pilot valve X21, the oil-in of the 22 pilot valve X22, the 23 oil-in of pilot valve X23 and the oil-in of the 24 pilot valve X24 are communicated with working connection L respectively,
The oil-in of the first reversal valve F1, the oil-in of the second reversal valve F2, the oil-in of the 3rd reversal valve F3, the oil-in of the 4th reversal valve F4, the oil-in of the 5th reversal valve F5, the oil-in of the 6th reversal valve F6, the oil-in of the 7th reversal valve F7, the oil-in of the 8th reversal valve F8, the oil-in of the 9th reversal valve F9, the oil-in of the tenth reversal valve F10, the oil-in of the 11 reversal valve F11, the oil-in of the 12 reversal valve F12, the oil-in of the 13 reversal valve F13, the oil-in of the 14 reversal valve F14, the oil-in of the 15 reversal valve F15, the oil-in of the 16 reversal valve F16, the oil-in of the 17 reversal valve F17, the oil-in of the 18 reversal valve F18, the oil-in of the 19 reversal valve F19, the oil-in of the 20 reversal valve F20, the oil-in of the 21 reversal valve F21, the oil-in of the 22 reversal valve F22, the 23 oil-in of reversal valve F23 and the oil-in of the 24 reversal valve F24 are communicated with working connection L respectively,
The oil-out of the first pilot valve X1, the oil-out of the second pilot valve X2, the oil-out of the 3rd pilot valve X3, the oil-out of the 4th pilot valve X4, the oil-out of the 5th pilot valve X5, the oil-out of the 6th pilot valve X6, the oil-out of the 7th pilot valve X7, the oil-out of the 8th pilot valve X8, the oil-out of the 9th pilot valve X9, the oil-out of the tenth pilot valve X10, the oil-out of the 11 pilot valve X11, the oil-out of the 12 pilot valve X12, the oil-out of the 13 pilot valve X13, the oil-out of the 14 pilot valve X14, the oil-out of the 15 pilot valve X15, the oil-out of the 16 pilot valve X16, the oil-out of the 17 pilot valve X17, the oil-out of the 18 pilot valve X18, the oil-out of the 19 pilot valve X19, the oil-out of the 20 pilot valve X20, the oil-out of the 21 pilot valve X21, the oil-out of the 22 pilot valve X22, the 23 oil-out of pilot valve X23 and the oil-out of the 24 pilot valve X24 are communicated with return line H respectively,
The oil-out of the first reversal valve F1, the oil-out of the second reversal valve F2, the oil-out of the 3rd reversal valve F3, the oil-out of the 4th reversal valve F4, the oil-out of the 5th reversal valve F5, the oil-out of the 6th reversal valve F6, the oil-out of the 7th reversal valve F7, the oil-out of the 8th reversal valve F8, the oil-out of the 9th reversal valve F9, the oil-out of the tenth reversal valve F10, the oil-out of the 11 reversal valve F11, the oil-out of the 12 reversal valve F12, the oil-out of the 13 reversal valve F13, the oil-out of the 14 reversal valve F14, the oil-out of the 15 reversal valve F15, the oil-out of the 16 reversal valve F16, the oil-out of the 17 reversal valve F17, the oil-out of the 18 reversal valve F18, the oil-out of the 19 reversal valve F19, the oil-out of the 20 reversal valve F20, the oil-out of the 21 reversal valve F21, the oil-out of the 22 reversal valve F22, the 23 oil-out of reversal valve F23 and the oil-out of the 24 reversal valve F24 are communicated with return line H respectively,
The control end of the first pilot valve X1 is connected with the electromagnetism end of the first reversal valve F1, the control end of the second pilot valve X2 is connected with the electromagnetism end of the second reversal valve F2, the control end of the 3rd pilot valve X3 is connected with the electromagnetism end of the 3rd reversal valve F3, the control end of the 4th pilot valve X4 is connected with the electromagnetism end of the 4th reversal valve F4, the control end of the 5th pilot valve X5 is connected with the electromagnetism end of the 5th reversal valve F5, the control end of the 6th pilot valve X6 is connected with the electromagnetism end of the 6th reversal valve F6, the control end of the 7th pilot valve X7 is connected with the electromagnetism end of the 7th reversal valve F7, the control end of the 8th pilot valve X8 is connected with the electromagnetism end of the 8th reversal valve F8, the control end of the 9th pilot valve X9 is connected with the electromagnetism end of the 9th reversal valve F9, the control end of the tenth pilot valve X10 is connected with the electromagnetism end of the tenth reversal valve F10, the control end of the 11 pilot valve X11 is connected with the electromagnetism end of the 11 reversal valve F11, the control end of the 12 pilot valve X12 is connected with the electromagnetism end of the 12 reversal valve F12, the control end of the 13 pilot valve X13 is connected with the electromagnetism end of the 13 reversal valve F13, the control end of the 14 pilot valve X14 is connected with the electromagnetism end of the 14 reversal valve F14, the control end of the 15 pilot valve X15 is connected with the electromagnetism end of the 15 reversal valve F15, the control end of the 16 pilot valve X16 is connected with the electromagnetism end of the 16 reversal valve F16, the control end of the 17 pilot valve X17 is connected with the electromagnetism end of the 17 reversal valve F17, the control end of the 18 pilot valve X18 is connected with the electromagnetism end of the 18 reversal valve F18, the control end of the 19 pilot valve X19 is connected with the electromagnetism end of the 19 reversal valve F19, the control end of the 20 pilot valve X20 is connected with the electromagnetism end of the 20 reversal valve F20, the control end of the 21 pilot valve X21 is connected with the electromagnetism end of the 21 reversal valve F21, the control end of the 22 pilot valve X22 is connected with the electromagnetism end of the 22 reversal valve F22, the control end of the 23 pilot valve X23 is connected with the electromagnetism end of the 23 reversal valve F23, and the control end of the 24 pilot valve X24 is connected with the electromagnetism end of the 24 reversal valve F24.
The first pressure piping A51 comprises the first one-way throttle stop valve 28.1, the first pressurized cylinder 23.1 and the second tubular type retaining valve 6.2, the control end of the first reversal valve F1 is connected with the first pressurized cylinder 23.1 by the first one-way throttle stop valve 28.1, the first pressurized cylinder 23.1 is communicated with tested safety valve B1 by the first tubular type retaining valve 6.1, the control end of the second reversal valve F2 is communicated with tested safety valve B1 by the second tubular type retaining valve 6.2 and the first tubular type retaining valve 6.1 successively
The first pressure relief pipeline A52 comprises that the control end of the first hydraulic control one-way valve 5.1, the three reversal valve F3 is communicated with tested safety valve B1 by the first hydraulic control one-way valve 5.1,
The first pressure regulation pipeline A53 comprises the first adjustable throttling 17.1, the first reduction valve 16.1 and three-tube type retaining valve 6.3, the control end of the 4th reversal valve F4 is communicated with the first reduction valve 16.1 by the first adjustable throttling 17.1, and the first reduction valve 16.1 is communicated with tested safety valve B1 by three-tube type retaining valve 6.3;
The second pressure piping A61 comprises the second one-way throttle stop valve 28.2, the second pressurized cylinder 23.2 and the 5th tubular type retaining valve 6.5, the control end of the 5th reversal valve F5 is connected with the second pressurized cylinder 23.2 by the second one-way throttle stop valve 28.2, the second pressurized cylinder 23.2 is communicated with one end of tested hydraulic control one-way valve B2 by the 4th tubular type retaining valve 6.4, the control end of the 6th reversal valve F6 is communicated with one end of tested hydraulic control one-way valve B2 by the 5th tubular type retaining valve 6.5 and the 4th tubular type retaining valve 6.4 successively
The second pressure relief pipeline A62 comprises that the control end of the second hydraulic control one-way valve 5.2, the seven reversal valve F7 is communicated with one end of tested hydraulic control one-way valve B2 by the second hydraulic control one-way valve 5.2,
The second pressure regulation pipeline A63 comprises the second adjustable throttling 17.2, two position, three-way electromagnetic change valve 7.1, the second reduction valve 16.2 and the 6th tubular type retaining valve 6.6, the control end of the 8th reversal valve F8 is communicated with two position, three-way electromagnetic change valve 7.1 by the second adjustable throttling 17.2, two position, three-way electromagnetic change valve 7.1 is communicated with one end of tested hydraulic control one-way valve B2 by the second reduction valve 16.2 and the 6th tubular type retaining valve 6.6 successively
The control end of the 12 reversal valve F12 is communicated with one end of tested hydraulic control one-way valve B2 by quantitative cylinder 38 and the first high-pressure ball valve 49.1 successively,
The control end of the tenth reversal valve F10 is communicated with the other end of tested hydraulic control one-way valve B2,
The control end of the 13 reversal valve F13 is communicated with the control end of tested solenoid directional control valve B3;
The 3rd pressurized cylinder reset loop A73 comprises the 3rd one-way throttle stop valve 28.3, the 3rd pressurized cylinder 23.3, the 8th tubular type retaining valve 6.8 and the 9th tubular type retaining valve 6.9, the control end of the 14 reversal valve F14 is communicated with the 3rd pressurized cylinder 23.3 by the 3rd one-way throttle stop valve 28.3, the 3rd pressurized cylinder 23.3 is communicated with the liquid feeding end of tested solenoid directional control valve B3 by the 8th tubular type retaining valve 6.8, and the control end of the 15 reversal valve F15 is communicated with the liquid feeding end of tested solenoid directional control valve B3 by the 9th tubular type retaining valve 6.9;
The 3rd pressure relief pipeline A72 comprises that the control end of the 3rd hydraulic control one-way valve 5.3, the 17 reversal valve F17 is communicated with the liquid feeding end of tested solenoid directional control valve B3 by the 3rd hydraulic control one-way valve 5.3,
The 3rd pressure regulation pipeline A73 comprises the 3rd adjustable throttling 17.3, the 3rd reduction valve 16.3 and the 7th tubular type retaining valve 6.7, the control end of the 18 reversal valve F18 is communicated with the 3rd reduction valve 16.3 by the 3rd adjustable throttling 17.3, the 3rd reduction valve 16.3 is communicated with the liquid feeding end of tested solenoid directional control valve B3 by the 7th tubular type retaining valve 6.7
The control end P6 of the 19 reversal valve F19 is connected with the electromagnetism end of the 3rd hydraulic control one-way valve 5.3;
The control end P7 of the 20 reversal valve F20 is connected with the electromagnetism end of the first high-pressure ball valve 49.1;
The control end P8 of the 22 reversal valve F22 is connected with the electromagnetism end of the second hydraulic control one-way valve 5.2;
The control end P9 of the 24 reversal valve F24 is connected with the electromagnetism end of the first hydraulic control one-way valve 5.1;
Twoly go out the quantitative cylinder of thick stick 39 one end and be communicated with the oil-in of tested solenoid directional control valve B3 by third high pressure ball valve 49.3, twoly go out quantitative cylinder 39 other ends of thick stick and be communicated with the oil return opening of tested solenoid directional control valve B3 by the 5th high-pressure ball valve 49.5.
Each test module of combined test stand is provided with many pressure transducers and display, is used for showing the hydraulic pressure value of fluid pressure line.
Claims (1)
1. a comprehensive test platform for valve used for mining hydraulic bracket, comprise Programmable Logic Controller, oil groove, main pump group, electricity liquid commutator group, safety valve testing module, hydraulic control one-way valve test module and solenoid directional control valve test module, described main pump group is communicated with described oil groove, described main pump group is communicated with described electric liquid commutator group, described electric liquid commutator group is connected with described Programmable Logic Controller, described electric liquid commutator group is connected with safety valve testing module, described electric liquid commutator group is connected with hydraulic control one-way valve test module, described electric liquid commutator group is connected with solenoid directional control valve test module,
Described main pump group comprises the first main pump and the second main pump, the first main pump is communicated with oil groove by the first oil absorption filter, the second main pump is communicated with oil groove by the second oil absorption filter, described electric liquid commutator group comprises pilot valves and reversal valve group, described pilot valves is connected with described reversal valve group, described pilot valves is connected with described Programmable Logic Controller, described reversal valve group is communicated with the first main pump and the second main pump respectively by working connection, described pilot valves is communicated with the first main pump and the second main pump respectively by working connection, described reversal valve group is communicated with described oil groove by return line, described reversal valve group respectively with safety valve testing module, hydraulic control one-way valve test module and solenoid directional control valve test module,
On described return line, be provided with flow control valve, between described working connection and described return line, be provided with voltage regulating module;
Described safety valve testing module comprises the first pressure piping, the first pressure relief pipeline and the first pressure regulation pipeline, described hydraulic control one-way valve test module comprises the second pressure piping, the second pressure relief pipeline and the second pressure regulation pipeline and rate of pressure rise adjustment module, described solenoid directional control valve test module comprises the 3rd pressure regulation pipeline, the 3rd pressure relief pipeline and the 3rd pressure piping, described reversal valve group is connected with tested safety valve by the first described pressure piping, described reversal valve group is connected with tested safety valve by the first described pressure relief pipeline, described reversal valve group is connected with tested safety valve by the first described pressure regulation pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure piping, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure relief pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by the second described pressure regulation pipeline, described reversal valve group is connected with tested hydraulic control one-way valve by described rate of pressure rise adjustment module, described reversal valve group is connected with tested solenoid directional control valve by the 3rd described pressure regulation pipeline, described reversal valve group is connected with tested solenoid directional control valve by the 3rd described pressure relief pipeline, described reversal valve group is connected with survey solenoid directional control valve by the 3rd described pressure piping,
Described Programmable Logic Controller comprises that model is chip and the peripheral circuit of FX2N-128MR, and described pilot valves comprises the first pilot valve, the second pilot valve, the 3rd pilot valve, the 4th pilot valve, the 5th pilot valve, the 6th pilot valve, the 7th pilot valve, the 8th pilot valve, the 9th pilot valve, the tenth pilot valve, the 11 pilot valve, the 12 pilot valve, the 13 pilot valve, the 14 pilot valve, the 15 pilot valve, the 16 pilot valve, the 17 pilot valve, the 18 pilot valve, the 19 pilot valve, the 20 pilot valve, the 21 pilot valve, the 22 pilot valve, the 23 pilot valve and the 24 pilot valve, reversal valve group comprises the first reversal valve, the second reversal valve, the 3rd reversal valve, the 4th reversal valve, the 5th reversal valve, the 6th reversal valve, the 7th reversal valve, the 8th reversal valve, the 9th reversal valve, the tenth reversal valve, the 11 reversal valve, the 12 reversal valve, the 13 reversal valve, the 14 reversal valve, the 15 reversal valve, the 16 reversal valve, the 17 reversal valve, the 18 reversal valve, the 19 reversal valve, the 20 reversal valve, the 21 reversal valve, the 22 reversal valve, the 23 reversal valve and the 24 reversal valve,
The electromagnetism end of the first pilot valve is connected with the first control end of chip, the electromagnetism end of the second pilot valve is connected with the second control end of chip, the electromagnetism end of the 3rd pilot valve is connected with the 3rd control end of chip, the electromagnetism end of the 4th pilot valve is connected with the 4th control end of chip, the electromagnetism end of the 5th pilot valve is connected with the 5th control end of chip, the electromagnetism end of the 6th pilot valve is connected with the 6th control end of chip, the electromagnetism end of the 7th pilot valve is connected with the 7th control end of chip, the electromagnetism end of the 8th pilot valve is connected with the 8th control end of chip, the electromagnetism end of the 9th pilot valve is connected with the 9th control end of chip, the electromagnetism end of the tenth pilot valve is connected with the tenth control end of chip, the electromagnetism end of the 11 pilot valve is connected with the 11 control end of chip, the electromagnetism end of the 12 pilot valve is connected with the 12 control end of chip, the electromagnetism end of the 13 pilot valve is connected with the 13 control end of chip, the electromagnetism end of the 14 pilot valve is connected with the 14 control end of chip, the electromagnetism end of the 15 pilot valve is connected with the 15 control end of chip, the electromagnetism end of the 16 pilot valve is connected with the 16 control end of chip, the electromagnetism end of the 17 pilot valve is connected with the 17 control end of chip, the electromagnetism end of the 18 pilot valve is connected with the 18 control end of chip, the electromagnetism end of the 19 pilot valve is connected with the 19 control end of chip, the electromagnetism end of the 20 pilot valve is connected with the 20 control end of chip, the electromagnetism end of the 21 pilot valve is connected with the 21 control end of chip, the electromagnetism end of the 22 pilot valve is connected with the 22 control end of chip, the electromagnetism end of the 23 pilot valve is connected with the 23 control end of chip, and the electromagnetism end of the 24 pilot valve is connected with the 24 control end of chip,
The oil-in of the first pilot valve, the oil-in of the second pilot valve, the oil-in of the 3rd pilot valve, the oil-in of the 4th pilot valve, the oil-in of the 5th pilot valve, the oil-in of the 6th pilot valve, the oil-in of the 7th pilot valve, the oil-in of the 8th pilot valve, the oil-in of the 9th pilot valve, the oil-in of the tenth pilot valve, the oil-in of the 11 pilot valve, the oil-in of the 12 pilot valve, the oil-in of the 13 pilot valve, the oil-in of the 14 pilot valve, the oil-in of the 15 pilot valve, the oil-in of the 16 pilot valve, the oil-in of the 17 pilot valve, the oil-in of the 18 pilot valve, the oil-in of the 19 pilot valve, the oil-in of the 20 pilot valve, the oil-in of the 21 pilot valve, the oil-in of the 22 pilot valve, the 23 oil-in of pilot valve and the oil-in of the 24 pilot valve are communicated with working connection respectively,
The oil-in of the first reversal valve, the oil-in of the second reversal valve, the oil-in of the 3rd reversal valve, the oil-in of the 4th reversal valve, the oil-in of the 5th reversal valve, the oil-in of the 6th reversal valve, the oil-in of the 7th reversal valve, the oil-in of the 8th reversal valve, the oil-in of the 9th reversal valve, the oil-in of the tenth reversal valve, the oil-in of the 11 reversal valve, the oil-in of the 12 reversal valve, the oil-in of the 13 reversal valve, the oil-in of the 14 reversal valve, the oil-in of the 15 reversal valve, the oil-in of the 16 reversal valve, the oil-in of the 17 reversal valve, the oil-in of the 18 reversal valve, the oil-in of the 19 reversal valve, the oil-in of the 20 reversal valve, the oil-in of the 21 reversal valve, the oil-in of the 22 reversal valve, the 23 oil-in of reversal valve and the oil-in of the 24 reversal valve are communicated with working connection respectively,
The oil-out of the first pilot valve, the oil-out of the second pilot valve, the oil-out of the 3rd pilot valve, the oil-out of the 4th pilot valve, the oil-out of the 5th pilot valve, the oil-out of the 6th pilot valve, the oil-out of the 7th pilot valve, the oil-out of the 8th pilot valve, the oil-out of the 9th pilot valve, the oil-out of the tenth pilot valve, the oil-out of the 11 pilot valve, the oil-out of the 12 pilot valve, the oil-out of the 13 pilot valve, the oil-out of the 14 pilot valve, the oil-out of the 15 pilot valve, the oil-out of the 16 pilot valve, the oil-out of the 17 pilot valve, the oil-out of the 18 pilot valve, the oil-out of the 19 pilot valve, the oil-out of the 20 pilot valve, the oil-out of the 21 pilot valve, the oil-out of the 22 pilot valve, the 23 oil-out of pilot valve and the oil-out of the 24 pilot valve are communicated with return line respectively,
The oil-out of the first reversal valve, the oil-out of the second reversal valve, the oil-out of the 3rd reversal valve, the oil-out of the 4th reversal valve, the oil-out of the 5th reversal valve, the oil-out of the 6th reversal valve, the oil-out of the 7th reversal valve, the oil-out of the 8th reversal valve, the oil-out of the 9th reversal valve, the oil-out of the tenth reversal valve, the oil-out of the 11 reversal valve, the oil-out of the 12 reversal valve, the oil-out of the 13 reversal valve, the oil-out of the 14 reversal valve, the oil-out of the 15 reversal valve, the oil-out of the 16 reversal valve, the oil-out of the 17 reversal valve, the oil-out of the 18 reversal valve, the oil-out of the 19 reversal valve, the oil-out of the 20 reversal valve, the oil-out of the 21 reversal valve, the oil-out of the 22 reversal valve, the 23 oil-out of reversal valve and the oil-out of the 24 reversal valve are communicated with return line respectively,
The control end of the first pilot valve is connected with the electromagnetism end of the first reversal valve, the control end of the second pilot valve is connected with the electromagnetism end of the second reversal valve, the control end of the 3rd pilot valve is connected with the electromagnetism end of the 3rd reversal valve, the control end of the 4th pilot valve is connected with the electromagnetism end of the 4th reversal valve, the control end of the 5th pilot valve is connected with the electromagnetism end of the 5th reversal valve, the control end of the 6th pilot valve is connected with the electromagnetism end of the 6th reversal valve, the control end of the 7th pilot valve is connected with the electromagnetism end of the 7th reversal valve, the control end of the 8th pilot valve is connected with the electromagnetism end of the 8th reversal valve, the control end of the 9th pilot valve is connected with the electromagnetism end of the 9th reversal valve, the control end of the tenth pilot valve is connected with the electromagnetism end of the tenth reversal valve, the control end of the 11 pilot valve is connected with the electromagnetism end of the 11 reversal valve, the control end of the 12 pilot valve is connected with the electromagnetism end of the 12 reversal valve, the control end of the 13 pilot valve is connected with the electromagnetism end of the 13 reversal valve, the control end of the 14 pilot valve is connected with the electromagnetism end of the 14 reversal valve, the control end of the 15 pilot valve is connected with the electromagnetism end of the 15 reversal valve, the control end of the 16 pilot valve is connected with the electromagnetism end of the 16 reversal valve, the control end of the 17 pilot valve is connected with the electromagnetism end of the 17 reversal valve, the control end of the 18 pilot valve is connected with the electromagnetism end of the 18 reversal valve, the control end of the 19 pilot valve is connected with the electromagnetism end of the 19 reversal valve, the control end of the 20 pilot valve is connected with the electromagnetism end of the 20 reversal valve, the control end of the 21 pilot valve is connected with the electromagnetism end of the 21 reversal valve, the control end of the 22 pilot valve is connected with the electromagnetism end of the 22 reversal valve, the control end of the 23 pilot valve is connected with the electromagnetism end of the 23 reversal valve, and the control end of the 24 pilot valve is connected with the electromagnetism end of the 24 reversal valve,
It is characterized in that the first described pressure piping comprises the first one-way throttle stop valve, the first pressurized cylinder and the second tubular type retaining valve, the control end of the first reversal valve is connected with the first pressurized cylinder by the first described one-way throttle stop valve, the first pressurized cylinder is communicated with tested safety valve by the first tubular type retaining valve, the control end of the second reversal valve is communicated with tested safety valve by the second tubular type retaining valve and the first tubular type retaining valve successively
The first pressure relief pipeline comprises the first hydraulic control one-way valve, and the control end of the 3rd reversal valve is communicated with tested safety valve by the first described hydraulic control one-way valve,
The first pressure regulation pipeline comprises the first adjustable throttling, the first reduction valve and three-tube type retaining valve, and the control end of the 4th reversal valve is communicated with the first reduction valve by the first adjustable throttling, and the first reduction valve is communicated with tested safety valve by three-tube type retaining valve; The second pressure piping comprises the second one-way throttle stop valve, the second pressurized cylinder and the 5th tubular type retaining valve, the control end of the 5th reversal valve is connected with the second pressurized cylinder by the second one-way throttle stop valve, the second pressurized cylinder is communicated with one end of tested hydraulic control one-way valve by the 4th tubular type retaining valve, the control end of the 6th reversal valve is communicated with one end of tested hydraulic control one-way valve by the 5th tubular type retaining valve and the 4th tubular type retaining valve successively
The second pressure relief pipeline comprises the second hydraulic control one-way valve, and the control end of the 7th reversal valve is communicated with one end of tested hydraulic control one-way valve by the second described hydraulic control one-way valve,
The second pressure regulation pipeline comprises the second adjustable throttling, two position, three-way electromagnetic change valve, the second reduction valve and the 6th tubular type retaining valve, the control end of the 8th reversal valve is communicated with two position, three-way electromagnetic change valve by the second adjustable throttling, two position, three-way electromagnetic change valve is communicated with one end of tested hydraulic control one-way valve by the second reduction valve and the 6th tubular type retaining valve successively
The control end of the 12 reversal valve is communicated with one end of tested hydraulic control one-way valve by quantitative cylinder and the first high-pressure ball valve successively,
The tenth control end of reversal valve and the other end of tested hydraulic control one-way valve are communicated with,
The 13 control end of reversal valve and the control end of tested solenoid directional control valve are communicated with;
The 3rd pressure piping comprises the 3rd one-way throttle stop valve, the 3rd pressurized cylinder, the 8th tubular type retaining valve and the 9th tubular type retaining valve, the control end of the 14 reversal valve is communicated with the 3rd pressurized cylinder by the 3rd one-way throttle stop valve, the 3rd pressurized cylinder is communicated with the liquid feeding end of tested solenoid directional control valve by the 8th tubular type retaining valve, and the control end of the 15 reversal valve is communicated with the liquid feeding end of tested solenoid directional control valve by the 9th tubular type retaining valve;
The 3rd pressure relief pipeline comprises the 3rd hydraulic control one-way valve, and the control end of the 17 reversal valve is communicated with the liquid feeding end of tested solenoid directional control valve by the 3rd hydraulic control one-way valve,
The 3rd pressure regulation pipeline comprises the 3rd adjustable throttling, the 3rd reduction valve and the 7th tubular type retaining valve, the control end of the 18 reversal valve is communicated with the 3rd reduction valve by the 3rd adjustable throttling, the 3rd reduction valve is communicated with the liquid feeding end of tested solenoid directional control valve by the 7th tubular type retaining valve
The control end of the 19 reversal valve is connected with the electromagnetism end of the 3rd hydraulic control one-way valve;
The control end of the 20 reversal valve is connected with the electromagnetism end of the first high-pressure ball valve;
The control end of the 22 reversal valve is connected with the electromagnetism end of the second hydraulic control one-way valve;
The control end of the 24 reversal valve is connected with the electromagnetism end of the first hydraulic control one-way valve;
Twoly go out the quantitative cylinder of thick stick one end and be communicated with the oil-in of tested solenoid directional control valve by third high pressure ball valve, twoly go out the quantitative cylinder other end of thick stick and be communicated with the oil return opening of tested solenoid directional control valve by the 5th high-pressure ball valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364092.8A CN102435431B (en) | 2011-11-16 | 2011-11-16 | Comprehensive test platform for valve used for mining hydraulic bracket |
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| CN201110364092.8A CN102435431B (en) | 2011-11-16 | 2011-11-16 | Comprehensive test platform for valve used for mining hydraulic bracket |
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| CN102435431A CN102435431A (en) | 2012-05-02 |
| CN102435431B true CN102435431B (en) | 2014-04-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103057947B (en) * | 2012-12-26 | 2015-12-09 | 柳州日高过滤器有限责任公司 | A kind of fluid control conveyer detecting machine for vibration valve |
| CN105178991B (en) * | 2015-09-18 | 2017-05-17 | 安徽宸瑞节能环保科技工程有限公司 | Mining hydraulic supporting device |
| CN107727374B (en) * | 2017-05-05 | 2020-01-14 | 太原理工大学 | Simulation test bed for liquid conveying water valve of mine pipeline |
| CN109655256B (en) * | 2018-12-29 | 2021-02-26 | 盛瑞传动股份有限公司 | Test bench and test device |
| CN110749350B (en) * | 2019-10-29 | 2021-11-12 | 雪龙集团股份有限公司 | General tool for testing performance of electromagnetic valve |
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| CN101566530A (en) * | 2009-05-08 | 2009-10-28 | 华南理工大学 | Test system for electro-hydraulic proportional valve of variable nozzle ring cross-sectional turbocharger |
| CN201449325U (en) * | 2009-06-19 | 2010-05-05 | 江苏神通阀门股份有限公司 | Life test device for back valve |
| CN102072219A (en) * | 2009-11-19 | 2011-05-25 | 煤炭科学研究总院 | Quickly loading booster cylinder and high-flow safety valve test device using same |
| CN202351028U (en) * | 2011-11-16 | 2012-07-25 | 宁波长壁流体动力科技有限公司 | Comprehensive valve testing bench for mine hydraulic bracket |
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| CN102435431A (en) | 2012-05-02 |
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