CN201679504U - Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow - Google Patents
Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow Download PDFInfo
- Publication number
- CN201679504U CN201679504U CN2010201922653U CN201020192265U CN201679504U CN 201679504 U CN201679504 U CN 201679504U CN 2010201922653 U CN2010201922653 U CN 2010201922653U CN 201020192265 U CN201020192265 U CN 201020192265U CN 201679504 U CN201679504 U CN 201679504U
- Authority
- CN
- China
- Prior art keywords
- valve
- way
- solenoid operated
- operated directional
- flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002131 composite material Substances 0.000 claims abstract description 10
- 238000006073 displacement reaction Methods 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 12
- 239000002828 fuel tank Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 9
- 239000003921 oil Substances 0.000 description 14
- 239000000446 fuel Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 238000009412 basement excavation Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002689 soil Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000005381 potential energy Methods 0.000 description 2
- 230000001141 propulsive effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 238000004148 unit process Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000013316 zoning Methods 0.000 description 1
Images
Landscapes
- Fluid-Pressure Circuits (AREA)
Abstract
The utility model discloses an energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow which includes an oil source system formed by connecting a motor and a constant delivery pump through a coupler; and the oil source supplies oil to a duct piece jointing part simultaneously. The propulsion system adopts zone control and is divided into four zones; the inside of each zone is provided with a control part consisting of a proportional flow valve and a proportional relief valve, as well as a pressure-synchronous and flow-synchronous switching unit consisting of a flow divider, a two-position three-way valve and a group hydraulic cylinder. The main oil path of the energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow adopts an open type control system controlled by a constant delivery pump valve, which can realize propulsion mode selection during propulsion process, and can realize the composite control of pressure synchronization and flow synchronization; meanwhile, the duct piece jointing system and the propulsion system share one set of oil source, which can reduce the installing power; meanwhile, the arrangement of an accumulator absorbs shake and impact for one side, and can simultaneously serve as an auxiliary energy when a propulsion cylinder retracts or meets an impact load, thereby further reducing the installing power of the system.
Description
Technical field
The utility model relates to a kind of fluid pressure actuator, relates in particular to a kind of energy-saving type shield propelling system that adopts the control of pressure flow composite sync.
Background technology
Shield excavation machine is a kind of technology-intensive Important Project equipment that is exclusively used in the subterranean tunnel engineering excavation.It has that excavation speed is fast, quality is high, personnel labor intensity is little, safe, to advantage such as ground settlement and ambient influnence be little.Along with development in science and technology and social progress, shield driving will progressively replace conventional method.
Propulsion system has constituted complete shield machine shield construction system with cutterhead system, conveying worm, pipe sheet assembling system.Propulsion system is one of critical system of shield structure, and it is mainly bearing the jacking task of whole shield structure, and turning, the curve that requires to finish the shield structure advanced, attitude control, correction and Synchronization Control etc.The adjustment of propulsion system is mainly controlled attitude by adjusting hydraulic cylinder, and promotion is stretched action by the coordination top of the some hydraulic cylinders that circumferentially distribute along the shield structure usually and finished.The control of propulsion system not only is directly connected to the shield excavation attitude control that constructing tunnel correctness and integrality are played a decisive role, and is that surface deformable also produces great influence to the most key control object in the underground engineering construction.The property complicated and changeable of tunneling construction soil property stratum and water and soil pressure thereof, and all unpredictable elements of existing of shield structure the place ahead have proposed higher control requirement to the thrust output and the speed of propulsion system.Therefore, the necessary real-time continuous of the pressure of propulsion hydraulic system and flow is adjustable, guarantees rational propulsive force and fltting speed, keeps water and soil pressure balance in the tunneling process to cooperate other executing agency.
Shield driving is a kind of typically high-power, heavy load operating mode, so the installed power of system is huge.In the so big system of energy consumption, the reasonable distribution of operating efficiency and energy is an extremely important influence factor for systematic function.Pipe sheet assembling part and the independent fuel feeding of propulsive units in the tradition shield excavation machine must increase the installed power of system, and simultaneity factor is loaded down with trivial details; Hydraulic cylinder adopts directly parallel connection in the district, and when advancing load to change, direction of propulsion changes, and net synchronization capability is relatively poor, has increased the pressure of deviation-rectifying system to a certain extent.In order to increase work efficiency, traditional propelling flow process is divided into propelling and rewind down part, by using the interconnected form of high-low pump respectively to advancing and the rewind down fuel feeding, the cost of increase system and power loss, simultaneously, some potential energy of pipe sheet assembling part does not fully utilize, therefore all can increase the installed power and the energy loss of system, therefore how realize the Energy Saving Control of hydraulic system under the situation of driving task and realize advancing synchronism to be a key technical problem in the shield driving guaranteeing that the shield driving system correctly efficiently finishes.
The utility model content
Take into account the requirement of satisfying shield-tunneling construction in order to satisfy the problem that exists in the shield-tunneling construction process in the background technology, the purpose of this utility model is to provide a kind of energy-saving type shield propelling system of pressure flow composite sync control, the utility model both can have been realized the Synchronization Control between the propulsion cylinder and prevent inclined to one side, can reduce the installed power of system again greatly, also increase the flexibility of propulsion system coordination control simultaneously.
The purpose of this utility model is achieved through the following technical solutions: a kind of energy-saving type shield propelling system that adopts the control of pressure flow composite sync comprises: fuel tank, the inlet port strainer, electromagnetic relief valve, constant displacement pump, shaft coupling, motor, electricity liquid three position four-way directional control valve, the two-position three way cartridge valve, electromagnet cut off valve, the oil-out strainer, pressure switch, first one way valve, second one way valve, the 3rd one way valve, the 4th one way valve, gate valve, accumulator, the first two-position three way solenoid operated directional valve, the second two-position three way solenoid operated directional valve, the 3rd two-position three way solenoid operated directional valve, the 4th two-position three way solenoid operated directional valve, the 5th two-position three way solenoid operated directional valve, proportional flow control valve, proportional pressure control valve, first flow divider, second flow divider, first one-way throttle valve, second one-way throttle valve, the 3rd one-way throttle valve, first safety valve, second safety valve, the 3rd safety valve, first hydraulic cylinder, second hydraulic cylinder, the 3rd hydraulic cylinder, first shuttle valve, second shuttle valve, displacement transducer, pressure sensor.
Motor is rigidly connected by shaft coupling and constant displacement pump, the inlet port of constant displacement pump is communicated with the inlet port strainer, the oil-out of variable pump is connected with oil-out strainer oil-in with an end of electromagnetic relief valve, an end of electromagnet cut off valve, an end of second one way valve respectively, the oil drain out of oil-out strainer is connected with the P mouth of electric liquid three position four-way directional control valve, one end of the same respectively pressure switch of the other end of electromagnet cut off valve, first one way valve is connected with gate valve, and the other end of the other end of first one way valve and second one way valve is connected with the pipe sheet assembling system respectively.The other end of gate valve is connected with accumulator, and the T mouth of electric liquid three position four-way directional control valve links to each other with fuel tank, and the A mouth links to each other with the oil-in A of two-position three way cartridge valve and the input in each district respectively, and the B mouth of electric liquid three position four-way directional control valve and the output in each district link to each other.Because propulsion system is divided into four districts, arrange equally in each district, the example that is arranged as in Yi Yi district describes: the A of the first two-position three way solenoid operated directional valve, B mouth respectively in proportion an end of an end of flow valve, the 3rd one way valve be connected.One end of the other end of the other end of the other end of proportional flow control valve, the 3rd one way valve, the 4th one way valve, proportional pressure control valve is connected with the P mouth of the second two-position three way solenoid operated directional valve.The A mouth of the second two-position three way solenoid operated directional valve is connected with first one-way throttle valve, one end, second one-way throttle valve, one end and the 3rd one-way throttle valve one end respectively, and the B mouth of the second two-position three way solenoid operated directional valve is connected with the first flow divider oil-in.Two diffluence pass of first flow divider are connected with the B of the second flow divider oil-in, the 5th two-position three way solenoid operated directional valve respectively, the A of the 3rd two-position three way solenoid operated directional valve, B are connected with the other end, diffluence pass of second flow divider of first one-way throttle valve respectively, and the P mouth of the 3rd two-position three way solenoid operated directional valve is connected with second shuttle valve, one end with the rodless cavity of first safety valve, one end, first hydraulic cylinder respectively.The A of the 4th two-position three way solenoid operated directional valve, B are connected with the other end, another diffluence pass of second flow divider of second one-way throttle valve respectively, and the P mouth of the 4th two-position three way solenoid operated directional valve is connected with first shuttle valve, one end with second safety valve, one end, the second hydraulic cylinder rodless cavity respectively.The A of the 5th two-position three way solenoid operated directional valve, B are connected with the other end, another diffluence pass of first flow divider of the 3rd one-way throttle valve respectively, and the P mouth of the 5th two-position three way solenoid operated directional valve is connected with the first shuttle valve other end with the 3rd safety valve one end, the 3rd hydraulic cylinder rodless cavity respectively.The other end of the other end of the other end of first safety valve, second safety valve, the 3rd safety valve is connected with fuel tank.The output of first shuttle valve is connected with the other end of second shuttle valve, and the output of second shuttle valve is connected with pressure sensor.The first hydraulic cylinder other end, the second hydraulic cylinder other end and the 3rd hydraulic cylinder other end are as the output in this district, and the P mouth of the first two-position three way solenoid operated directional valve is as the input in this district.
The utility model is compared with background technology, and the beneficial effect that has is:
1) the shared oil sources of propulsion system and pipe sheet assembling system, consider that pipe sheet assembling and propulsion system all have certain priority on room and time, so this measure is feasible, can reduce the installed power of system greatly, this point particularly has remarkable advantages in large-scale shield driving equipment.
2) adopt pressure and the synchronous two kinds of control modes of flow in each subregion of propulsion system, in shield structure linear advancement process, adopt the flow Synchronization Control can satisfy the direction of propulsion correctness, when deflecting, propulsion system adopt pressure synchronous, regulate by the pressure of regulating each subregion, regulating effect is good.
3) propulsion system propelling and fallback procedures are interior only with a constant displacement pump fuel feeding, be different from traditional two constant displacement pump fuel feeding, increased ganged accumulators in this system, thereby this accumulator fully absorbs in the assembly unit process gravitional force in the pipe sheet assembling process oil-filled to accumulator, accumulator and constant displacement pump one propulsion system fuel feeding in the same way satisfies the requirement that rapidity is return by system when back off procedure.
4) propulsion system can realize average subregion, has overcome the inconvenience that control brings to system of traditional inhomogeneous subregion.
Description of drawings
Fig. 1 is the propulsion system hydraulic schematic diagram of flow pressure composite sync control;
Fig. 2 is a PF cylinder pressure zoning plan;
Among the figure: fuel tank 1, inlet port strainer 2, electromagnetic relief valve 3, constant displacement pump 4, shaft coupling 5, motor 6, electricity liquid three position four-way directional control valve 7, two-position three way cartridge valve 8, electromagnet cut off valve 9, oil-out strainer 10, pressure switch 11, first one way valve 12.1, second one way valve 12.2, the 3rd one way valve 12.3, the 4th one way valve 12.4, gate valve 13, accumulator 14, the first two-position three way solenoid operated directional valve 15.1, the second two-position three way solenoid operated directional valve 15.2, the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5, proportional flow control valve 16, proportional pressure control valve 17, first flow divider 18.1, second flow divider 18.2, first one-way throttle valve 19.1, second one-way throttle valve 19.2, the 3rd one-way throttle valve 19.3, first safety valve 20.1, second safety valve 20.2, the 3rd safety valve 20.3, first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the 3rd hydraulic cylinder 21.3, first shuttle valve 22.1, second shuttle valve 22.2, displacement transducer 23, pressure sensor 24.
The specific embodiment
Describe the utility model below with reference to the accompanying drawings in detail, it is more obvious that the purpose of this utility model and effect will become.
As shown in Figure 1, the energy-saving type shield propelling system of the utility model pressure flow composite sync control comprises: fuel tank 1, inlet port strainer 2, electromagnetic relief valve 3, constant displacement pump 4, shaft coupling 5, motor 6, electricity liquid three position four-way directional control valve 7, two-position three way cartridge valve 8, electromagnet cut off valve 9, oil-out strainer 10, pressure switch 11, first one way valve 12.1, second one way valve 12.2, the 3rd one way valve 12.3, the 4th one way valve 12.4, gate valve 13, accumulator 14, the first two-position three way solenoid operated directional valve 15.1, the second two-position three way solenoid operated directional valve 15.2, the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5, proportional flow control valve 16, proportional pressure control valve 17, first flow divider 18.1, second flow divider 18.2, first one-way throttle valve 19.1, second one-way throttle valve 19.2, the 3rd one-way throttle valve 19.3, first safety valve 20.1, second safety valve 20.2, the 3rd safety valve 20.3, first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the 3rd hydraulic cylinder 21.3, first shuttle valve 22.1, second shuttle valve 22.2, displacement transducer 23, pressure sensor 24.
The course of work of the present utility model is as follows:
At this, describe with the sequencing of shield structure work:
At first when process is pushed ahead in the propulsion system zero load, the pipe sheet assembling system stops action, motor 6 drives constant displacement pump 4 separately to the propulsion system fuel feeding, this moment, the control valve electromagnet left end of electric liquid three position four-way directional control valve 7 got, this moment, the hydraulicchange-over valve of its upper end was higher than right-hand member pressure owing to left end pressure, so be operated in position, a left side, the control valve dead electricity of two-position three way cartridge valve (8), under spring action, be operated in position, a left side, the while first two-position three way solenoid operated directional valve, 15.1 dead electricity, the 3rd one way valve 12.3 is with proportional flow control valve 16 short circuits, this moment the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5 whole dead electricity, so fluid is by the one way valve of first one-way throttle valve 19.1, the one way valve of second one-way throttle valve 19.2, the one way valve of the 3rd one-way throttle valve 19.3 enters into first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the rodless cavity of the 3rd hydraulic cylinder 21.3, the fluid of rod chamber flow into the P mouth of two-position three way cartridge valve 8 by the B mouth of electric liquid three position four-way directional control valve 7, flow into the A mouth of electric liquid three position four-way directional control valve 7 then, this moment, system adopted differential connection, and this moment, the flow system flow loss was very little, constant displacement pump 4 full flows carry out fuel feeding, and propulsion system is advanced fast.
When the propulsion system bringing onto load advances, the pipe sheet assembling system stops action, motor 6 drives constant displacement pump 4 separately to the propulsion system fuel feeding, this moment, the electromagnet left end of electric liquid three position four-way directional control valve 7 got, this moment, the hydraulicchange-over valve of its upper end was operated in position, a left side because the left end oil pressure is higher than the right-hand member oil pressure, the control valve of two-position three way cartridge valve 8 gets, the first two-position three way solenoid operated directional valve 15.1 gets simultaneously, the second two-position three way solenoid operated directional valve 15.2, the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5, this moment, system adopted the control of ratio pressure flow composite sync on working connection, adopt the flow Synchronization Control of flow divider control in the district between the hydraulic cylinder, this control method shunting effect is good, when running into impact load, because the feedback effect of flow divider makes the flow sync response fast, synchronous effect is good.The installation of first shuttle valve 22.1, second shuttle valve 22.2 mainly is for the hydraulic oil of drawing first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the 3rd hydraulic cylinder 21.3 and detects, comes the signal of real-time control ratio overflow valve 17 by controller.The installation of displacement transducer 23 for the position of real-time detection propulsion cylinder and and ratio flow-control formation closed-loop control, make the Position Control of propulsion system more accurate.
When propulsion system will be turned, this moment the second two-position three way solenoid operated directional valve 15.2, the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5 whole dead electricity, the interval hydraulic cylinder pressure Synchronization Control directly in parallel that adopts of propulsion system this moment is come deflection, there is not restriction loss this moment, the same pressure correlation of result of deflection is simultaneously controlled effective.
When propulsion cylinder arrives extreme limit of travel, the pipe sheet assembling system starts working, motor 6 drives constant displacement pump 4 separately to pipe sheet assembling system fuel feeding, the section of jurisdiction is in course of adjustment, with electromagnet cut off valve 9 energisings, constant displacement pump 4 is oily for part to accumulator 14, when the pipe sheet assembling process finishes, because the gravitational potential loss of energy that the deadweight of hydraulic cylinder produces can be converted into the energy of 14 li of accumulators, this moment is when detecting pressure above limit value when pressure sensor (24), electromagnet cut off valve 9 outages, accumulator 14 pressurizes this moment.
After the pipe sheet assembling process finishes, propulsion cylinder is realized the function of rewind down, this moment, the control valve right-hand member of electric liquid three position four-way directional control valve 7 got, the left end dead electricity, the left end oil pressure of pilot operated valve device is less than the right-hand member oil pressure, so it is operated in right position, this moment accumulator 14 and constant displacement pump 4 one in the same way system carry out fuel feeding, fluid enters into the rod chamber of first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the 3rd hydraulic cylinder 21.3.This moment the first two-position three way solenoid operated directional valve 15.1, the second two-position three way solenoid operated directional valve 15.2, the 3rd two-position three way solenoid operated directional valve 15.3, the 4th two-position three way solenoid operated directional valve 15.4, the 5th two-position three way solenoid operated directional valve 15.5 is dead electricity all, first hydraulic cylinder 21.1, second hydraulic cylinder 21.2, the fluid of the rodless cavity of the 3rd hydraulic cylinder 21.3 is through first one-way throttle valve 19.1, second one-way throttle valve 19.2, converge behind the 3rd one-way throttle valve 19.3 is one the tunnel through the second two-position three way solenoid operated directional valve 15.2, the 3rd one way valve 12.3, the oil return of electricity liquid three position four-way directional control valve 7T mouth has realized returning fast of propulsion cylinder.
The effect of first safety valve 20.1, second safety valve 20.2, the 3rd safety valve 20.3 mainly is in order to prevent that hydraulic cylinder rod chamber oil pressure is excessive in the progradation, and first one way valve 12.1 mainly is that the hydraulic pressure that in the pipe sheet assembling process gravitional force is converted in the accumulator can be prevented the backflow effect simultaneously.
The above-mentioned specific embodiment is used for the utility model of explaining; rather than the utility model limited; in the protection domain of spirit of the present utility model and claim, any modification and change to the utility model is made all fall into protection domain of the present utility model.
Claims (2)
1. the energy-saving type shield propelling system of pressure flow composite sync control, it is characterized in that, comprise fuel tank (1), inlet port strainer (2), electromagnetic relief valve (3), constant displacement pump (4), shaft coupling (5), motor (6), electric liquid three position four-way directional control valve (7), two-position three way cartridge valve (8), electromagnet cut off valve (9), oil-out strainer (10), pressure switch (11), gate valve (13), accumulator (14) and four districts;
Wherein, motor (6) is rigidly connected by shaft coupling (5) and constant displacement pump (4), the inlet port of constant displacement pump (4) is communicated with inlet port strainer (2), the oil-out of variable pump (6) respectively with an end of electromagnetic relief valve (3), one end of electromagnet cut off valve (9), one end (12.2) of second one way valve is connected with oil-out strainer (10) oil-in, the oil drain out of oil-out strainer (10) is connected with the P mouth of electric liquid three position four-way directional control valve (7), the same respectively pressure switch of the other end of electromagnet cut off valve (9) (11), one end of first one way valve is connected with gate valve (13), and the other end of the other end of first one way valve (12.1) and second one way valve (12.2) is connected with the pipe sheet assembling system respectively; The other end of gate valve (13) is connected with accumulator (14), the T mouth of electricity liquid three position four-way directional control valve (7) links to each other with fuel tank, the A mouth links to each other with the oil-in A of two-position three way cartridge valve (8) and the input in each district respectively, and the B mouth of electric liquid three position four-way directional control valve (7) and the output in each district link to each other.
2. according to the energy-saving type shield propelling system of the described pressure flow composite sync of claim 1 control, it is characterized in that each district comprises: first one way valve (12.1), second one way valve (12.2), the 3rd one way valve (12.3), the 4th one way valve (12.4), the first two-position three way solenoid operated directional valve (15.1), the second two-position three way solenoid operated directional valve (15.2), the 3rd two-position three way solenoid operated directional valve (15.3), the 4th two-position three way solenoid operated directional valve (15.4), the 5th two-position three way solenoid operated directional valve (15.5), proportional flow control valve (16), proportional pressure control valve (17), first flow divider (18.1), second flow divider (18.2), first one-way throttle valve (19.1), second one-way throttle valve (19.2), the 3rd one-way throttle valve (19.3), first safety valve (20.1), second safety valve (20.2), the 3rd safety valve (20.3), first hydraulic cylinder (21.1), second hydraulic cylinder (21.2), the 3rd hydraulic cylinder (21.3), first shuttle valve (22.1), second shuttle valve (22.2), displacement transducer (23), pressure sensor (24); Wherein, an end of flow valve (16), an end of the 3rd one way valve (12.3) are connected in proportion respectively for the A of the first two-position three way solenoid operated directional valve (15.1), B mouth; One end of the other end of the other end of the other end of proportional flow control valve (16), the 3rd one way valve (12.3), the 4th one way valve (12.4), proportional pressure control valve (17) is connected with the P mouth of the second two-position three way solenoid operated directional valve (15.2); The A mouth of the second two-position three way solenoid operated directional valve (15.2) is connected with first one-way throttle valve (19.1) one ends, second one-way throttle valve (19.2) one ends and the 3rd one-way throttle valve (19.3) one ends respectively, and the B mouth of the second two-position three way solenoid operated directional valve (15.2) is connected with first flow divider (18.1) oil-in; Two diffluence pass of first flow divider (18.1) are connected with the B of second flow divider (18.2) oil-in, the 5th two-position three way solenoid operated directional valve (15.5) respectively, A, the B of the 3rd two-position three way solenoid operated directional valve (15.3) is connected with the other end, (18.2) diffluence pass of second flow divider of first one-way throttle valve (19.1) respectively, and the P mouth of the 3rd two-position three way solenoid operated directional valve (15.3) is connected with second shuttle valve (22.2) one ends with the rodless cavity of first safety valve (20.1) one ends, first hydraulic cylinder (21.1) respectively; A, the B of the 4th two-position three way solenoid operated directional valve (15.4) is connected with the other end, another diffluence pass of second flow divider (18.2) of second one-way throttle valve (19.2) respectively, and the P mouth of the 4th two-position three way solenoid operated directional valve (15.4) is connected with first shuttle valve (22.1) one ends with second safety valve (20.2) one ends, second hydraulic cylinder (21.2) rodless cavity respectively; A, the B of the 5th two-position three way solenoid operated directional valve (15.5) is connected with the other end, another diffluence pass of first flow divider (18.1) of the 3rd one-way throttle valve (19.3) respectively, and the P mouth of the 5th two-position three way solenoid operated directional valve (15.5) is connected with first shuttle valve (22.1) other end with the 3rd safety valve (20.3) one ends, the 3rd hydraulic cylinder (21.3) rodless cavity respectively; The other end of the other end of the other end of first safety valve (20.1), second safety valve (20.2), the 3rd safety valve (20.3) is connected with fuel tank; The output of first shuttle valve (22.1) is connected with the other end of second shuttle valve (22.2), and the output of second shuttle valve (22.2) is connected with pressure sensor (24); First hydraulic cylinder (21.1) other end, second hydraulic cylinder (21.2) other end and the 3rd hydraulic cylinder (21.3) other end are as the output in this district, and the P mouth of the first two-position three way solenoid operated directional valve (15.1) is as the input in this district.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201922653U CN201679504U (en) | 2010-05-17 | 2010-05-17 | Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201922653U CN201679504U (en) | 2010-05-17 | 2010-05-17 | Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201679504U true CN201679504U (en) | 2010-12-22 |
Family
ID=43344552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201922653U Expired - Lifetime CN201679504U (en) | 2010-05-17 | 2010-05-17 | Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201679504U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864965A (en) * | 2010-05-17 | 2010-10-20 | 浙江大学 | Pressure flow rate composite synchronization control energy-saving type shield propelling system |
| CN102425426A (en) * | 2011-12-14 | 2012-04-25 | 浙江大学 | Energy-saving shield hydraulic feeding system for energy accumulator mounted on side of feeding oil inlet |
| CN103671294A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | System and method for controlling synchronous rising and falling of suspension oil cylinders and engineering vehicle |
| CN104196540A (en) * | 2014-05-04 | 2014-12-10 | 中铁工程装备集团有限公司 | Automatic and random grouping push control system of shield tunneling machine |
| TWI497248B (en) * | 2012-02-29 | 2015-08-21 | Fujikin Kk | A gas split supply device and a gas diversion supply method using the same |
| CN107842529A (en) * | 2017-09-21 | 2018-03-27 | 太原科技大学 | A kind of loop for improving pump control cylinder system response time |
| CN108331794A (en) * | 2018-02-09 | 2018-07-27 | 安徽工程大学 | A kind of hydraulic shunting system of arbitrary distribution pressure ratio |
| PL423195A1 (en) * | 2016-07-11 | 2019-03-11 | Politechnika Lubelska | Hydraulic system of the bale self-loading trailer |
| CN110500100A (en) * | 2019-08-31 | 2019-11-26 | 盾构及掘进技术国家重点实验室 | A kind of electrohydraulic control system promoting load automatic adjusument for shield machine |
-
2010
- 2010-05-17 CN CN2010201922653U patent/CN201679504U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864965A (en) * | 2010-05-17 | 2010-10-20 | 浙江大学 | Pressure flow rate composite synchronization control energy-saving type shield propelling system |
| CN102425426A (en) * | 2011-12-14 | 2012-04-25 | 浙江大学 | Energy-saving shield hydraulic feeding system for energy accumulator mounted on side of feeding oil inlet |
| CN102425426B (en) * | 2011-12-14 | 2013-09-18 | 浙江大学 | Energy-saving shield hydraulic feeding system for energy accumulator mounted on side of feeding oil inlet |
| TWI497248B (en) * | 2012-02-29 | 2015-08-21 | Fujikin Kk | A gas split supply device and a gas diversion supply method using the same |
| CN103671294A (en) * | 2013-12-12 | 2014-03-26 | 中联重科股份有限公司 | System and method for controlling synchronous rising and falling of suspension oil cylinders and engineering vehicle |
| CN103671294B (en) * | 2013-12-12 | 2016-02-03 | 中联重科股份有限公司 | Hanging oil cylinder synchronous lifting control system, controlling method and engineering vehicle |
| CN104196540A (en) * | 2014-05-04 | 2014-12-10 | 中铁工程装备集团有限公司 | Automatic and random grouping push control system of shield tunneling machine |
| PL423195A1 (en) * | 2016-07-11 | 2019-03-11 | Politechnika Lubelska | Hydraulic system of the bale self-loading trailer |
| CN107842529A (en) * | 2017-09-21 | 2018-03-27 | 太原科技大学 | A kind of loop for improving pump control cylinder system response time |
| CN108331794A (en) * | 2018-02-09 | 2018-07-27 | 安徽工程大学 | A kind of hydraulic shunting system of arbitrary distribution pressure ratio |
| CN110500100A (en) * | 2019-08-31 | 2019-11-26 | 盾构及掘进技术国家重点实验室 | A kind of electrohydraulic control system promoting load automatic adjusument for shield machine |
| CN110500100B (en) * | 2019-08-31 | 2020-11-17 | 盾构及掘进技术国家重点实验室 | Electro-hydraulic control system for self-adaptive adjustment of propelling load of shield tunneling machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101864965B (en) | Pressure flow rate composite synchronization control energy-saving type shield propelling system | |
| CN201679504U (en) | Energy-saving type shield propulsion system compositely and synchronously controlling pressure and flow | |
| CN102425426B (en) | Energy-saving shield hydraulic feeding system for energy accumulator mounted on side of feeding oil inlet | |
| CN101408107B (en) | Energy-saving type shield propulsion hydraulic system by using zone control | |
| CN102278124B (en) | Energy-saving hydraulic shield propulsion system | |
| CN100575717C (en) | A kind of energy-saving type shield hydraulic control system that adopts hydraulic transformer | |
| CN201288566Y (en) | Energy-saving shield advance hydraulic system employing zone control | |
| CN203655795U (en) | TBM thrust hydraulic system with adequate pressure flow in overall process | |
| CN202707069U (en) | Shield tunneling machine and thrust hydraulic system thereof | |
| CN101967980B (en) | Cutterhead closed type hydraulic drive system adopting revolving speed-variable and displacement-variable compound control | |
| CN103470557A (en) | Hydraulic rotary braking energy-saving control system | |
| CN104033154A (en) | TBM dual-mode switching pushing hydraulic system | |
| CN105351293B (en) | A kind of energy-recuperation system of passive volume synchronization system | |
| CN204163138U (en) | Super-tonnage excavator straight line moving hydraulic system | |
| CN203834553U (en) | Energy-saving rotary table driving system for electrically-driven hydraulic excavator | |
| CN201696054U (en) | Closed-type hydraulic driving system with variable-speed variable-displacement combined control of shield cutter head | |
| CN103291314A (en) | Flow-saturation resistant zone-control energy-saving type shield thrust hydraulic system | |
| CN201407049Y (en) | Energy-saving shield cutterhead closed-loop hydraulic control system adopting grouped energy accumulator | |
| CN203050723U (en) | Variable frequency driving shield thrust hydraulic system | |
| CN203383824U (en) | Flow saturation resistant partitioned controlled energy saving type shield thrust hydraulic system | |
| CN203939503U (en) | A kind of TBM propulsion hydraulic system of double mode switching | |
| CN201372799Y (en) | Hydraulic device for shield cutterhead | |
| CN103835214A (en) | Hydraulic loop for tail door mechanism of road milling machine | |
| CN203743101U (en) | Multi-torque hydraulic system of power head of rotary drilling rig | |
| CN202370534U (en) | Energy-saving shield hydraulic propelling system with energy storage device mounted at propelling oil inlet side |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20101222 Effective date of abandoning: 20120808 |