CN205154795U - Controllable TBM of high -efficient high accuracy flow supports hydraulic system - Google Patents

Controllable TBM of high -efficient high accuracy flow supports hydraulic system Download PDF

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Publication number
CN205154795U
CN205154795U CN201520798684.4U CN201520798684U CN205154795U CN 205154795 U CN205154795 U CN 205154795U CN 201520798684 U CN201520798684 U CN 201520798684U CN 205154795 U CN205154795 U CN 205154795U
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China
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valve
fluid port
hydraulic fluid
hydraulic
way
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CN201520798684.4U
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Chinese (zh)
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龚国芳
娄海洋
杨旭
彭佐
王超
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Zhejiang University ZJU
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Zhejiang University ZJU
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Abstract

The utility model discloses a controllable TBM of high -efficient high accuracy flow supports hydraulic system. Including high -pressure subregion, low pressure subregion, tribit cross electro -hydraulic proportional switching -over valve, four hydraulically controlled check valves, two relief valves, two tee bend magenetic exchange valve, two nonocultures with supporting jar, two displacement sensor, two for two magenetic exchange valve, proportion overflow valve, pressure sensor and control module, the high pressure subregion includes high -pressure oil sources, two check valves, energy storage ware, two stop valves, relief valve, one -way throttle valve, tribit cross electro -hydraulic reversing valve and choke valves, the low pressure subregion includes low pressure oil sources and tribit cross magenetic exchange valve. This system is stretching out the in -process fast, through the nonoculture with the back connection of supporting the jar, nonoculture stretching out with the support jar with higher speed, control the flow of high -pressure oil feed oil circuit and draining oil circuit, reduce fluid pressure line and hydraulic component's loss, improve horizontal posture adjustment precision of TBM and construction quality through tribit cross electro -hydraulic proportional switching -over valve control.

Description

The TBM support hydraulic pressure system that a kind of high-efficiency high-accuracy flow is controlled
Technical field
The utility model relates to a kind of TBM support hydraulic pressure system, particularly relates to the TBM support hydraulic pressure system that a kind of high-efficiency high-accuracy flow is controlled.
Background technique
TBM support hydraulic pressure system is one of key subsystem of hard rock heading equipment, carries the task of the support country rock of TBM, and it can complete stretches out fast, high pressure stretching, returns fast and the large function of posture adjustment four, thus is that the promotion of TBM is ready.The high tension loop of existing TBM support hydraulic pressure system can because large discharge fluctuation and impact and damage hydraulic pipe line in the process of high pressure oil-feed and pressure release; In low tension loop, the speed of stretching out of single-acting shoring is not high; The mode of the rod chamber flow of single-acting shoring is regulated to have degree of regulation in posture adjustment module by three-position four-way electromagnetic directional valve and adjustable restrictive valve low and bear the weak shortcoming of hydraulic shock ability.
Model utility content
In order to overcome, existing TBM support hydraulic pressure system high pressure loop flow is uncontrollable, single-acting shoring stretches out the deficiency that speed is not high and posture adjustment precision is low fast, the purpose of this utility model is the TBM support hydraulic pressure system providing a kind of high-efficiency high-accuracy flow controlled, this system adopts installs one-way throttle valve and throttle valve controls flow at high pressure in-line and draining oil circuit, adopt two position, three-way electromagnetic change valve to realize the differential working method of single-acting shoring, and adopt 3-position 4-way electro-hydraulic proportion reversing valve to realize highi degree of accuracy posture adjustment.
The utility model solves the technological scheme that its technical problem adopts:
The utility model comprises high pressure subregion, low pressure subregion and posture adjustment module, the 9A oil outlet of the 3-position 4-way electro-hydraulic reversing valve in high pressure subregion is connected with the forward hydraulic fluid port of the second Pilot operated check valve, the left side single-acting shoring that left lateral position displacement sensor is housed is connected with the reverse hydraulic fluid port of the second Pilot operated check valve with the hydraulic fluid port of the rodless cavity of the right side single-acting shoring that right lateral position displacement sensor is housed simultaneously, the 16A hydraulic fluid port of left side two-bit triplet solenoid directional control valve is connected with the hydraulic fluid port of the rod chamber of left side single-acting shoring with the reverse hydraulic fluid port of the second Pilot operated check valve respectively with 16B hydraulic fluid port, the 21A hydraulic fluid port of right side two-bit triplet solenoid directional control valve is connected with the hydraulic fluid port of the rod chamber of right side single-acting shoring with the reverse hydraulic fluid port of 21B hydraulic fluid port respectively with the second Pilot operated check valve, filler opening and the oil outlet of 2/2-way solenoid directional control valve are connected the reverse hydraulic fluid port of the second Pilot operated check valve and the filler opening of proportional pressure control valve respectively, the oil outlet of proportional pressure control valve connects fuel tank, thus form high pressure oil-feed oil circuit, the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve is connected with the filler opening of the second safety valve with the 3rd safety valve respectively with the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve, second safety valve is connected with the oil outlet of the 3rd safety valve, and be connected with the forward hydraulic fluid port of the second one-way valve in high pressure subregion, thus form high pressure oil return circuit, low pressure oil sources in low pressure subregion is connected with the 29P hydraulic fluid port of three-position four-way electromagnetic directional valve, the 29B hydraulic fluid port of three-position four-way electromagnetic directional valve is connected with the forward hydraulic fluid port of the 3rd Pilot operated check valve, the reverse hydraulic fluid port of the 3rd Pilot operated check valve is connected with the reverse hydraulic fluid port of the second Pilot operated check valve, forms low pressure oil way, the 11P hydraulic fluid port of the 3-position 4-way electro-hydraulic proportion reversing valve in posture adjustment module is connected with high pressure fuel source, the 11A hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve is connected with the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve, the 11B hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve is connected with the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve, thus be connected with the hydraulic fluid port of single-acting shoring in left side with the rod chamber of right side single-acting shoring with the 21B hydraulic fluid port of right side two-bit triplet solenoid directional control valve by the 16B hydraulic fluid port of left side two-bit triplet solenoid directional control valve, the 11T hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve is connected with fuel tank, left lateral position displacement sensor is connected with the inlet opening of respective control module respectively with the signal port of right lateral position displacement sensor, and the delivery outlet of control module is connected with the signal input of 3-position 4-way electro-hydraulic proportion reversing valve.
High pressure fuel source in described high pressure subregion is connected with the forward hydraulic fluid port of the first one-way valve, the reverse hydraulic fluid port of the first one-way valve is connected with the filler opening of the second stop valve, the oil outlet of the second stop valve simultaneously be connected the filler opening of accumulator with the first safety valve and be connected, first stop valve is parallel to filler opening and the oil outlet of the first safety valve, first stop valve is connected fuel tank with the oil outlet of the first safety valve, the filler opening of one-way throttle valve is connected with the reverse hydraulic fluid port of the first one-way valve, the oil outlet of one-way throttle valve is connected with the 9P hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve, the reverse hydraulic fluid port of the second one-way valve is connected with the 9B hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve, the 9T hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve is connected with the filler opening of throttle valve, the oil outlet of throttle valve connects fuel tank.
The signal of two input ends input of described control module through the first comparator relatively after be connected with an input end of the second comparator, another input end of second comparator is connected with setting value module, the output terminal of the second comparator is connected with the input end of PID controller, and the output terminal of PID controller is the output terminal of controller module.
The two position, three-way electromagnetic change valve action simultaneously on left side two position, three-way electromagnetic change valve and right side, signal all derives from pressure transducer; In low pressure oil-feed oil circuit, the equal dead electricity of two position, three-way electromagnetic change valve on left side two position, three-way electromagnetic change valve and right side, during high pressure oil-feed oil circuit, the two position, three-way electromagnetic change valve on left side two position, three-way electromagnetic change valve and right side all electric.
The beneficial effect that the utility model has is:
TBM support system of the present utility model is being stretched out in process fast, by the differential connection of single-acting shoring, accelerates stretching out of single-acting shoring, increases work efficiency; By controlling the flow of high pressure oil-feed oil circuit and draining oil circuit, reduce the loss of hydraulic pipe line and hydraulic element; Control by the highi degree of accuracy of 3-position 4-way electro-hydraulic proportion reversing valve the Adjustment precision improving TBM horizontal attitude, improve the construction quality of TBM.
Accompanying drawing explanation
Fig. 1 is hydraulic system principle figure of the present utility model.
In figure: 1, high pressure fuel source, 2, first one-way valve, 3, fuel tank, 4, first stop valve, 5, second stop valve, 6, first safety valve, 7, accumulator, 8, one-way throttle valve, 9, 3-position 4-way electro-hydraulic reversing valve, 10, throttle valve, 11, 3-position 4-way electro-hydraulic proportion reversing valve, 12, second one-way valve, 13, first Pilot operated check valve, 14, second safety valve, 15, second Pilot operated check valve, 16, left side two position, three-way electromagnetic change valve, 17, left side single-acting shoring, 18, left lateral position displacement sensor, 19, right lateral position displacement sensor, 20, right side single-acting shoring, 21, right side two position, three-way electromagnetic change valve, 22, bi-bit bi-pass solenoid directional control valve, 23, proportional pressure control valve, 24, control module, 25, pressure transducer, 26, 3rd Pilot operated check valve, 27, 4th Pilot operated check valve, 28, 3rd safety valve, 29, three-position four-way electromagnetic directional valve, 30, low pressure oil sources, 31, setting value module, I, high pressure subregion, II, low pressure subregion, III, posture adjustment module.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
As shown in Figure 1, the utility model comprises high pressure subregion I, low pressure subregion II and posture adjustment module III, the 9A oil outlet of the 3-position 4-way electro-hydraulic reversing valve 9 in high pressure subregion I is connected with the forward hydraulic fluid port of the second Pilot operated check valve 15, the left side single-acting shoring 17 that left lateral position displacement sensor 18 is housed is connected with the reverse hydraulic fluid port of the second Pilot operated check valve 15 with the hydraulic fluid port of the rodless cavity of the right side single-acting shoring 20 that right lateral position displacement sensor 19 is housed simultaneously, the 16A hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 is connected with the hydraulic fluid port of the rod chamber of left side single-acting shoring 17 with the reverse hydraulic fluid port of the second Pilot operated check valve 15 respectively with 16B hydraulic fluid port, the 21A hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21 is connected with the hydraulic fluid port of the rod chamber of right side single-acting shoring 20 with the reverse hydraulic fluid port of 21B hydraulic fluid port respectively with the second Pilot operated check valve 15, filler opening and the oil outlet of 2/2-way solenoid directional control valve 22 are connected the reverse hydraulic fluid port of the second Pilot operated check valve 15 and the filler opening of proportional pressure control valve 23 respectively, the oil outlet of proportional pressure control valve 23 connects fuel tank 3, thus form high pressure oil-feed oil circuit, the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 is connected with the filler opening of the second safety valve 14 with the 3rd safety valve 28 respectively with the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, second safety valve 14 is connected with the oil outlet of the 3rd safety valve 28, and be connected with the forward hydraulic fluid port of the second one-way valve 12 in high pressure subregion I, thus form high pressure oil return circuit, low pressure oil sources 30 in low pressure subregion II is connected with the 29P hydraulic fluid port of three-position four-way electromagnetic directional valve 29, the 29B hydraulic fluid port of three-position four-way electromagnetic directional valve 29 is connected with the forward hydraulic fluid port of the 3rd Pilot operated check valve 26, the reverse hydraulic fluid port of the 3rd Pilot operated check valve 26 is connected with the reverse hydraulic fluid port of the second Pilot operated check valve 15, forms low pressure oil way, the 11P hydraulic fluid port of the 3-position 4-way electro-hydraulic proportion reversing valve 11 in posture adjustment module III is connected with high pressure fuel source 1, the 11A hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11 is connected with the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16, the 11B hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11 is connected with the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, thus be connected with the hydraulic fluid port of left side single-acting shoring 17 with the rod chamber of right side single-acting shoring 20 with the 21B hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21 by the 16B hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16, the 11T hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11 is connected with fuel tank 3, left lateral position displacement sensor 18 is connected with the inlet opening of respective control module 24 respectively with the signal port of right lateral position displacement sensor 19, and the delivery outlet of control module 24 is connected with the signal input of 3-position 4-way electro-hydraulic proportion reversing valve 11.
High pressure fuel source 1 in described high pressure subregion I is connected with the forward hydraulic fluid port of the first one-way valve 2, the reverse hydraulic fluid port of the first one-way valve 2 is connected with the filler opening of the second stop valve 5, the oil outlet of the second stop valve 5 simultaneously be connected the filler opening of accumulator 7 with the first safety valve 6 and be connected, first stop valve 4 is parallel to filler opening and the oil outlet of the first safety valve 6, first stop valve 4 is connected fuel tank 3 with the oil outlet of the first safety valve 6, the filler opening of one-way throttle valve 8 is connected with the reverse hydraulic fluid port of the first one-way valve 2, the oil outlet of one-way throttle valve 8 is connected with the 9P hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9, the reverse hydraulic fluid port of the second one-way valve 12 is connected with the 9B hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9, the 9T hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9 is connected with the filler opening of throttle valve 10, the oil outlet of throttle valve 10 connects fuel tank 3.
The signal of two input ends input of described control module 24 through the first comparator relatively after be connected with an input end of the second comparator, another input end of second comparator is connected with setting value module 31, the output terminal of the second comparator is connected with the input end of PID controller, and the output terminal of PID controller is the output terminal of controller module 24.
Two position, three-way electromagnetic change valve 21 action simultaneously on left side two position, three-way electromagnetic change valve 16 and right side, signal all derives from pressure transducer 25; In low pressure oil-feed oil circuit, the two position, three-way electromagnetic change valve 21 on left side two position, three-way electromagnetic change valve 16 and right side is dead electricity all, during high pressure oil-feed oil circuit, the two position, three-way electromagnetic change valve 21 on left side two position, three-way electromagnetic change valve 16 and right side all electric.
working principle of the present utility model is as follows:
The first, the execution work of low pressure subregion, realizes stretching out fast of left side single-acting shoring 17 and right side single-acting shoring 20; The second, the execution work of high pressure subregion, realizes the pressure flow hybrid control of in-line; 3rd, the execution work of posture adjustment module, the highi degree of accuracy realizing the rod chamber flow of left side single-acting shoring 17 and right side single-acting shoring 20 regulates; 4th, high pressure subregion performs draining work, realizes the flow control on draining road; 5th, the execution work of low pressure subregion, realizes the rollback of left side single-acting shoring 17 and right side single-acting shoring 20.
In TBM support process, the working principle of low pressure subregion: left side two-bit triplet solenoid directional control valve 16 and right side two-bit triplet solenoid directional control valve 21 dead electricity, low pressure oil sources 30 fuel feeding, the left position of three-position four-way electromagnetic directional valve 29 obtains electric, and by the forward hydraulic fluid port fuel feeding of three-position four-way electromagnetic directional valve 29B hydraulic fluid port to the 3rd Pilot operated check valve 26, now because the oil circuit control of the 3rd Pilot operated check valve 26 leads to fuel tank 3, so oppositely end, fluid flows to the rodless cavity hydraulic fluid port of left side single-acting shoring 17 and the rodless cavity hydraulic fluid port of right side single-acting shoring 20 respectively from the reverse hydraulic fluid port of the 3rd Pilot operated check valve 26, fluid in fluid in the rod chamber of left side single-acting shoring 17 and the rod chamber of right side single-acting shoring 20 flows into the 16B hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 and the 21B hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21 respectively, then the rod chamber hydraulic fluid port of left side single-acting shoring 17 and the rod chamber hydraulic fluid port of right side single-acting shoring 20 is flowed into from the 16A hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 and the 21A hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, thus make left side single-acting shoring 17 and right side single-acting shoring 20 in differential working state, stretch out fast.
In TBM support process, the oil-feed working principle of high pressure subregion: when pressure transducer 25 reaches certain numerical value, left side two-bit triplet solenoid directional control valve 16 and right side two-bit triplet solenoid directional control valve 21 obtain electric, the right position of 3-position 4-way electro-hydraulic reversing valve 9 obtains electric, high pressure fuel source 1 is by the filler opening fuel feeding of the first one-way valve 2 to one-way throttle valve 8, the flow of control flow check to the 9P hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9 is carried out by regulating the opening of one-way throttle valve 8, thus control the size of high pressure subregion oil-feed flow, fluid flows to the rodless cavity hydraulic fluid port of left side single-acting shoring 17 and the rodless cavity hydraulic fluid port of right side single-acting shoring 20 from the 9A hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9 through the second Pilot operated check valve 15, start high pressure stretching, fluid flows out from the rod chamber hydraulic fluid port of left side single-acting shoring 17 and the rod chamber hydraulic fluid port of right side single-acting shoring 20 simultaneously, through the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16, the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, second safety valve 14, 3rd safety valve 28 and the second common one-way valve 12 flow to the 29A hydraulic fluid port of three-position four-way electromagnetic directional valve 29, finally flow to fuel tank 3 from the 29T hydraulic fluid port of three-position four-way electromagnetic directional valve 29, bi-bit bi-pass solenoid directional control valve 22 and proportional pressure control valve 23 can regulate the maximum pressure in oil circuit automatically simultaneously.
In TBM support process, the working principle of posture adjustment module: after high pressure stretching terminates, left side two-bit triplet solenoid directional control valve 16 and right side two-bit triplet solenoid directional control valve 21 are still in obtain electricity condition, if TBM level is to the left, the voltage signal that the signal difference of left lateral position displacement sensor 18 and right lateral position displacement sensor 19 exports after the controlling calculation of control module 24 is transferred to 3-position 4-way electro-hydraulic proportion reversing valve 11, the spool of 3-position 4-way electro-hydraulic proportion reversing valve 11 is made to be moved to the left corresponding displacement amount with highi degree of accuracy, the flow of the 11P hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11 is flowed to by after the highi degree of accuracy control of 3-position 4-way electro-hydraulic proportion reversing valve 11 from high pressure fuel source 1, the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 is flowed to from the 11A hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11, then the rod chamber of left side single-acting shoring 17 is flowed into from the 16B hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16, fluid in the rod chamber of simultaneously right side single-acting shoring 20 flows into the 21B hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, and the 11B hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11 is flowed to from the 21A hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, then fluid flows back to fuel tank 3 from the 11T hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve 11, complete level posture adjustment to the right, otherwise, then level posture adjustment left.
In TBM support process, the draining working principle of high pressure subregion: left side two-bit triplet solenoid directional control valve 16 and right side two-bit triplet solenoid directional control valve 21 are still in obtain electricity condition, the left position of 3-position 4-way electro-hydraulic reversing valve 9 obtains electric, high pressure fuel source 1 is after the first one-way valve 2 and one-way throttle valve 8, the reverse hydraulic fluid port of the second one-way valve 12 is flowed to from the 9B hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9, liquid chunnel is cut off, now, the control port of the second Pilot operated check valve 15 is connected to the reverse hydraulic fluid port of the second one-way valve 12, second Pilot operated check valve 15 reverse opening, fluid in the rodless cavity of left side single-acting shoring 17 and right side single-acting shoring 20 all flows to the reverse hydraulic fluid port of the second Pilot operated check valve 15, then the 9A hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9 is flowed to from the forward hydraulic fluid port of the second Pilot operated check valve 15, then fluid flows to the filler opening of throttle valve 10 from the 9T hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve 9, throttling action through throttle valve 10 flows into fuel tank 3, throttle valve 10 makes flow during high pressure draining be controlled.
In TBM support process, the shoring backoff operation principle of low pressure subregion: left side two-bit triplet solenoid directional control valve 16 and right side two-bit triplet solenoid directional control valve 21 obtain electric, low pressure oil sources 30 fuel feeding, the right position of three-position four-way electromagnetic directional valve 29 obtains electric, and by the forward hydraulic fluid port fuel feeding of three-position four-way electromagnetic directional valve 29A hydraulic fluid port to the first Pilot operated check valve 13 and the 3rd Pilot operated check valve 27, fluid flows to the 16P hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 and the 21P hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21 respectively from the reverse hydraulic fluid port of the first Pilot operated check valve 13 and the 3rd Pilot operated check valve 27, then the hydraulic fluid port of the rod chamber of left side single-acting shoring 17 and right side single-acting shoring 20 is flowed to from the 16B hydraulic fluid port of left side two-bit triplet solenoid directional control valve 16 and the 21B hydraulic fluid port of right side two-bit triplet solenoid directional control valve 21, fluid in the rodless cavity of left side single-acting shoring 17 and right side single-acting shoring 20 all flows to the reverse hydraulic fluid port of the 3rd Pilot operated check valve 26 from the hydraulic fluid port of rodless cavity, now, the control port of the 3rd Pilot operated check valve 26 is connected and reverse opening with the 29A hydraulic fluid port of three-position four-way electromagnetic directional valve 29, fluid flows to the 29B hydraulic fluid port of three-position four-way electromagnetic directional valve 29 from the forward hydraulic fluid port of the 3rd Pilot operated check valve 26, finally flows to fuel tank 3 from the 29T hydraulic fluid port of three-position four-way electromagnetic directional valve 29.

Claims (4)

1. the TBM support hydraulic pressure system that high-efficiency high-accuracy flow is controlled, is characterized in that: comprise high pressure subregion (I), low pressure subregion (II) and posture adjustment module (III), the 9A oil outlet of the 3-position 4-way electro-hydraulic reversing valve (9) in high pressure subregion (I) is connected with the forward hydraulic fluid port of the second Pilot operated check valve (15), the left side single-acting shoring (17) that left lateral position displacement sensor (18) is housed is connected with the reverse hydraulic fluid port of the second Pilot operated check valve (15) with the hydraulic fluid port of the rodless cavity of the right side single-acting shoring (20) that right lateral position displacement sensor (19) is housed simultaneously, the 16A hydraulic fluid port in left side two-bit triplet solenoid directional control valve (16) is connected with the hydraulic fluid port of the rod chamber of left side single-acting shoring (17) with the reverse hydraulic fluid port of the second Pilot operated check valve (15) respectively with 16B hydraulic fluid port, the 21A hydraulic fluid port on right side two-bit triplet solenoid directional control valve (21) is connected with the hydraulic fluid port of the rod chamber of right side single-acting shoring (20) with the reverse hydraulic fluid port of 21B hydraulic fluid port respectively with the second Pilot operated check valve (15), filler opening and the oil outlet of 2/2-way solenoid directional control valve (22) are connected the reverse hydraulic fluid port of the second Pilot operated check valve (15) and the filler opening of proportional pressure control valve (23) respectively, the oil outlet of proportional pressure control valve (23) connects fuel tank (3), thus form high pressure oil-feed oil circuit, the 16P hydraulic fluid port in left side two-bit triplet solenoid directional control valve (16) is connected with the filler opening of the second safety valve (14) with the 3rd safety valve (28) respectively with the 21P hydraulic fluid port on right side two-bit triplet solenoid directional control valve (21), second safety valve (14) is connected with the oil outlet of the 3rd safety valve (28), and be connected with the forward hydraulic fluid port of the second one-way valve (12) in high pressure subregion (I), thus form high pressure oil return circuit, low pressure oil sources (30) in low pressure subregion (II) is connected with the 29P hydraulic fluid port of three-position four-way electromagnetic directional valve (29), the 29B hydraulic fluid port of three-position four-way electromagnetic directional valve (29) is connected with the forward hydraulic fluid port of the 3rd Pilot operated check valve (26), the reverse hydraulic fluid port of the 3rd Pilot operated check valve (26) is connected with the reverse hydraulic fluid port of the second Pilot operated check valve (15), forms low pressure oil way, the 11P hydraulic fluid port of the 3-position 4-way electro-hydraulic proportion reversing valve (11) in posture adjustment module (III) is connected with high pressure fuel source (1), the 11A hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve (11) is connected with the 16P hydraulic fluid port in left side two-bit triplet solenoid directional control valve (16), the 11B hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve (11) is connected with the 21P hydraulic fluid port on right side two-bit triplet solenoid directional control valve (21), thus be connected with the hydraulic fluid port of left side single-acting shoring (17) with the rod chamber of right side single-acting shoring (20) with the 21B hydraulic fluid port on right side two-bit triplet solenoid directional control valve (21) by the 16B hydraulic fluid port in left side two-bit triplet solenoid directional control valve (16), the 11T hydraulic fluid port of 3-position 4-way electro-hydraulic proportion reversing valve (11) is connected with fuel tank (3), left lateral position displacement sensor (18) is connected with the inlet opening of respective control module (24) respectively with the signal port of right lateral position displacement sensor (19), and the delivery outlet of control module (24) is connected with the signal input of 3-position 4-way electro-hydraulic proportion reversing valve (11).
2. the TBM support hydraulic pressure system that a kind of high-efficiency high-accuracy flow according to claim 1 is controlled, it is characterized in that: the high pressure fuel source (1) in described high pressure subregion (I) is connected with the forward hydraulic fluid port of the first one-way valve (2), the reverse hydraulic fluid port of the first one-way valve (2) is connected with the filler opening of the second stop valve (5), the oil outlet of the second stop valve (5) simultaneously be connected the filler opening of accumulator (7) with the first safety valve (6) and be connected, first stop valve (4) is parallel to filler opening and the oil outlet of the first safety valve (6), first stop valve (4) is connected fuel tank (3) with the oil outlet of the first safety valve (6), the filler opening of one-way throttle valve (8) is connected with the reverse hydraulic fluid port of the first one-way valve (2), the oil outlet of one-way throttle valve (8) is connected with the 9P hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (9), the reverse hydraulic fluid port of the second one-way valve (12) is connected with the 9B hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (9), the 9T hydraulic fluid port of 3-position 4-way electro-hydraulic reversing valve (9) is connected with the filler opening of throttle valve (10), the oil outlet of throttle valve (10) connects fuel tank (3).
3. the TBM support hydraulic pressure system that a kind of high-efficiency high-accuracy flow according to claim 1 is controlled, it is characterized in that: the signal of two input ends input of described control module (24) through the first comparator relatively after be connected with an input end of the second comparator, another input end of second comparator is connected with setting value module (31), the output terminal of the second comparator is connected with the input end of PID controller, and the output terminal of PID controller is the output terminal of controller module (24).
4. the TBM support hydraulic pressure system that a kind of high-efficiency high-accuracy flow according to claim 1 is controlled, it is characterized in that: two position, three-way electromagnetic change valve (21) action simultaneously on left side two position, three-way electromagnetic change valve (16) and right side, signal all derives from pressure transducer (25); In low pressure oil-feed oil circuit, two position, three-way electromagnetic change valve (21) all dead electricity on left side two position, three-way electromagnetic change valve (16) and right side, during high pressure oil-feed oil circuit, the two position, three-way electromagnetic change valve (21) on left side two position, three-way electromagnetic change valve (16) and right side all electric.
CN201520798684.4U 2015-10-16 2015-10-16 Controllable TBM of high -efficient high accuracy flow supports hydraulic system Withdrawn - After Issue CN205154795U (en)

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Application Number Priority Date Filing Date Title
CN201520798684.4U CN205154795U (en) 2015-10-16 2015-10-16 Controllable TBM of high -efficient high accuracy flow supports hydraulic system

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Application Number Priority Date Filing Date Title
CN201520798684.4U CN205154795U (en) 2015-10-16 2015-10-16 Controllable TBM of high -efficient high accuracy flow supports hydraulic system

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201951A (en) * 2015-10-16 2015-12-30 浙江大学 High-efficiency high-precision controllable-flow TBM (tunnel boring machine) support hydraulic system
CN107477306A (en) * 2017-08-17 2017-12-15 西南石油大学 A kind of electrohydraulic control system of coiled tubing traction robot
CN109477445A (en) * 2016-07-25 2019-03-15 罗伯特·博世有限公司 Method for the fuel delivery means of internal combustion engine and for conveying fuel in fuel delivery means

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105201951A (en) * 2015-10-16 2015-12-30 浙江大学 High-efficiency high-precision controllable-flow TBM (tunnel boring machine) support hydraulic system
CN109477445A (en) * 2016-07-25 2019-03-15 罗伯特·博世有限公司 Method for the fuel delivery means of internal combustion engine and for conveying fuel in fuel delivery means
CN109477445B (en) * 2016-07-25 2021-05-28 罗伯特·博世有限公司 Fuel delivery device and method for delivering fuel in a fuel delivery device
CN107477306A (en) * 2017-08-17 2017-12-15 西南石油大学 A kind of electrohydraulic control system of coiled tubing traction robot

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