CN103821527A - Covering earth prevention system of rectangular shield tunneling machine and control method of covering earth prevention system - Google Patents
Covering earth prevention system of rectangular shield tunneling machine and control method of covering earth prevention system Download PDFInfo
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- CN103821527A CN103821527A CN201410090198.7A CN201410090198A CN103821527A CN 103821527 A CN103821527 A CN 103821527A CN 201410090198 A CN201410090198 A CN 201410090198A CN 103821527 A CN103821527 A CN 103821527A
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Abstract
The invention provides a covering earth prevention system of a rectangular shield tunneling machine and a control method. The system comprises a plurality of covering earth prevention plates arranged above the shield tunneling machine enclosure, a plurality of groups of oil cylinders, a hydraulic pump station for driving the oil cylinders and a control system; each group of oil cylinders is used for driving one covering earth prevention plate to move above the shield tunneling machine enclosure; the control system comprises interaction operation equipment, a computer PLC (programmable logic controller) master station, an electric control cabinet and a hydraulic valve bank. The large volume covering earth above the rectangular shield tunneling machine is cut into a plurality of small blocks by the moving the covering earth prevention plates, so the large volume covering earth effect above the shield tunneling machine in the prior art is converted to be shorn small block earth bodies front and back by continuously shearing the covering soil and the covering earth phenomenon is reduced. The combined use of the computer PLC master station, the electric control cabinet, the hydraulic valve bank and the hydraulic pump station is introduced, so the control on the covering earth prevention plates is more sensible, faster and more reliable.
Description
Technical field
The present invention relates to the innovation of rectangular shield machine, relate in particular to the anti-back of the body soil series system of rectangular shield machine and control method thereof.
Background technology
In construction, all there is back of the body soil phenomenon in various degree in the various tunnel machines (comprising shield machine and push-bench) that use at present, both at home and abroad.Due under the viscosity of earth and huge pressure, earth is tightly bonded at the outside of shield machine, and earth and machine cannot be departed from, and together advances and follow machine, can cause the serious disturbance of soil layer around, causes surface uplift or subsides, and has a strong impact on surrounding environment.
Due to shape reason, circular shield machine is also not easy to produce the native effect of the back of the body, but heavy in section rectangular shield machine or similarly rectangle development machine, because the shield shell back side is amassed large and is flat shape, are easy to produce the native effect of the back of the body at the back of shield shell.
In existing construction technology, generally all adopt the method for note antifriction slurries to reduce the native effect of the back of the body, its shortcoming is to work as in the increasing situation in square-section, due to the mobile unreliability of slurries, cause the back of shield machine and cannot form the lubricated barrier film of slurries around, produce thereby cause carrying on the back native phenomenon.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of anti-back of the body soil series system of rectangular shield machine and control method thereof of the rectangular shield machine that can effectively solve the native phenomenon of the back of the body.
In order to solve this technical problem, the invention provides the anti-back of the body soil series system of a kind of rectangular shield machine, comprise the some native plate of the anti-back of the body, some group oil cylinders, the hydraulic power unit that drives described oil cylinder and control systems of being located at shield machine housing top;
Described in every group, oil cylinder is all in order to drive a native plate of the described anti-back of the body mobile along surface, shield machine housing top;
Described control system has comprised interactive operation equipment, computer PLC main website, electrical control cabinet and hydraulic valve bank, described interactive operation equipment is connected with described computer PLC main website, described computer PLC main website connects by hydraulic power unit described in described electrical control cabinet control, and described hydraulic power unit is connected with described oil cylinder by described hydraulic valve bank.
Described control system also comprises computer PLC slave station, in order to detecting the flexible stroke of described oil cylinder and the stroke sensor of stretching speed, in order to detect the sedimentation detecting system of surface settlement situation and to be located in described hydraulic valve bank in order to detect the pressure sensor of hydraulic pressure, described stroke sensor and pressure sensor are all connected with described computer PLC main website by described computer PLC slave station, and described sedimentation detecting system is connected with described computer PLC main website.
Described interactive operation equipment comprises touch-screen and operating desk, and described touch-screen and operating desk are all connected with described computer PLC main website.
Described interactive operation equipment, computer PLC main website, electrical control cabinet and hydraulic power unit are all located on the chassis of shield machine.
The present invention also provides the control method of the anti-back of the body soil series of a kind of rectangular shield machine system, has adopted the anti-back of the body soil series system of rectangular shield machine provided by the invention, and flexible stroke in order to detect described oil cylinder and the stroke sensor of stretching speed are also provided;
The data output control instruction of described computer PLC the main website operation on interactive operation equipment and described stroke sensor Real-time Feedback according to operating personnel, and then driving described hydraulic power unit work by described electrical control cabinet, described hydraulic power unit drives described oil cylinder flexible by described hydraulic valve bank.
Optionally, the target stroke that operating personnel first stretch by quantity, the described oil cylinder of the native plate of the anti-back of the body described in described interactive operation equipment input selection or the direction of action that contracts and described oil cylinder are stretched or contracted, then, operating personnel are by described interactive operation equipment implementation and operation, control the expanding-contracting action of described oil cylinder, and according to the run-length data of described stroke sensor feedback, the deviation of oil cylinder stroke is adjusted, until reach default target stroke.
Optionally, the anti-back of the body soil series system of described rectangular shield machine also provides and has been located in described hydraulic valve bank in order to detect the pressure sensor of hydraulic pressure;
The target stroke that operating personnel first stretch by quantity, the described oil cylinder of the native plate of the anti-back of the body described in described interactive operation equipment input selection or the direction of action contracting, described oil cylinder are stretched or contract and the pressure control range of hydraulic pressure, then automatically control described oil cylinder by described computer PLC main website and realize the action of stretching or contracting;
Automatically control that described oil cylinder is stretched or the process that contracts in, described stroke sensor feeds back to run-length data described computer PLC main website in real time, described pressure sensor is given described computer PLC main website by hydraulic pressure data feedback in real time, described computer PLC main website generates control instruction according to the data of receiving, thereby automatically control the action of stretching or contract of described oil cylinder, make in the pressure control range of hydraulic pressure in default hydraulic pressure on the one hand, on the other hand, deviation to oil cylinder stroke is adjusted, until reach default target stroke.
Optionally, run-length data and speed data that described computer PLC main website comes according to each described stroke sensor transmission generate control instruction, thereby the stroke of each oil cylinder is synchronizeed with speed maintenance.
Optionally, a target stroke is selected in the operation of described operating personnel by interactive operation equipment, described computer PLC main website complete a goal-selling stroke stretch or contract after automatically stop expanding-contracting action.
Optionally, described operating personnel are by the operation select target stroke on interactive operation equipment and flexible cycle-index n, and described computer PLC main website, after the flexible circulation that completes n target stroke, stops expanding-contracting action automatically.
One aspect of the present invention is by the movement of the native plate of the anti-back of the body, make the large volume back of the body soil of rectangular shield engine housing top be cut into some fritters, in the time that shield machine advances, the large volume back of the body soil of top is constantly divided into several tomographies, thereby make the large volume that in prior art, shield machine top entirety is subject to carry on the back native effect by ceaselessly back of the body soil being cut off, be converted to the fritter soil body of 2 parts before and after cutting off, must reduce the native phenomenon of the back of the body.On the other hand, the present invention has introduced being used in combination of computer PLC main website, electrical control cabinet, hydraulic valve bank and hydraulic power unit, uses the technology of hydraulic driving proportional valve control variables pump, make the control of the native plate of the anti-back of the body sensitiveer, more fast, more reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the anti-back of the body soil series system of the rectangular shield machine that provides of the embodiment of the present invention 1;
Fig. 2 is the partial structurtes schematic diagram of the anti-back of the body soil series system of rectangular shield machine in the embodiment of the present invention 1;
Fig. 3 is the system schematic of the anti-back of the body soil series system of the rectangular shield machine that provides of the embodiment of the present invention 1;
Fig. 4 is the schematic flow sheet of the control method under the automatic mode that in the embodiment of the present invention 1 and embodiment 2, the anti-back of the body soil series of rectangular shield machine is united and the control method under manual mode;
Fig. 5 is the schematic flow sheet of the control method under the synchronous mode that in the embodiment of the present invention 3, the anti-back of the body soil series of rectangular shield machine is united;
Fig. 6 is the schematic flow sheet of the control method under step mode and the circulation mode that in the embodiment of the present invention 4 and embodiment 5, the anti-back of the body soil series of rectangular shield machine is united;
Fig. 7 is all demonstration schematic diagrames of optional touch-screen of 5 embodiment of the present invention;
In figure, the native plate of the anti-back of the body of 1-; 2-oil cylinder; 3-stroke sensor; 4-carries on the back soil; 5-computer PLC main website; 6-interactive operation equipment; 601-touch-screen; 602-operating desk; 7-electrical control cabinet; 8-hydraulic power unit; 9-hydraulic valve bank; 10-computer PLC slave station; 11-chassis; 12-measures total powerstation; 13-connector; 14-track body.
The specific embodiment
Below with reference to Fig. 1 to Fig. 7, the anti-back of the body soil series system of rectangular shield machine provided by the invention and control method thereof are described in detail, it is five optional embodiments of the present invention, can think that those skilled in the art, not changing in the scope of the present invention's spirit and content, can modify and polish it.
Please refer to Fig. 1 to Fig. 3, the present embodiment provides the anti-back of the body soil series of a kind of rectangular shield machine system, has comprised the some native plate 1 of the anti-back of the body, some group oil cylinders 2 of being located at shield machine housing top, has driven hydraulic power unit 8 and the control system of described oil cylinder 2;
Described in every group, oil cylinder 2 is all in order to drive a native plate 1 of the described anti-back of the body mobile along surface, shield machine housing top; The number of every group can be any amount, has comprised 1,2, and the present embodiment drives a native plate 1 of the anti-back of the body to set forth as example take an oil cylinder 2.
In the present embodiment, please refer to Fig. 2, anti-back of the body soil plate 1 is also connected with oil cylinder 2 by connector 13, specifically, is to be fixedly connected with the piston of oil cylinder 2, and connector 13 is realized mobile along track body 14, and described track body 14 is fixedly connected with shield machine shell.
Please refer to Fig. 1, and interactive operation equipment 6, computer PLC main website 5, electrical control cabinet 7 and hydraulic valve bank 9 are comprised in conjunction with control system described in Fig. 2 and Fig. 3, described interactive operation equipment 6 is connected with described computer PLC main website 5, described computer PLC main website 5 controls described hydraulic power unit 8 by described electrical control cabinet 7 and connects, and described hydraulic power unit 8 is connected with described oil cylinder 2 by described hydraulic valve bank 9.Described control system also comprises computer PLC slave station 10, in order to detecting the flexible stroke of described oil cylinder 2 and the stroke sensor 3 of stretching speed, in order to detect the sedimentation detecting system of surface settlement situation and to be located in described hydraulic valve bank 9 in order to detect the pressure sensor of hydraulic pressure, described stroke sensor 3 and pressure sensor are all connected with described computer PLC main website 5 by described computer PLC slave station 10, and described sedimentation detecting system is connected with described computer PLC main website.
Pressure sensor in the present embodiment, is located in hydraulic valve bank, can detect in real time the native plate 1 telescopic drive oil cylinder working-pressure of the anti-back of the body, has that precision is high, strong interference immunity, can detect exactly the flexible pressure of the native plate 1 of the anti-back of the body, avoids occurring hypertonia and occurs fortuitous event.Stroke sensor in the present embodiment, has that precision is high, reliability is strong, can detect exactly the stroke of the flexible position of oil cylinder.And can be by these data feedbacks to computer PLC main website 5, be the flexible operating basis that provides of oil cylinder 2.The present embodiment has been settled measurement total powerstation on the ground, can accurately measure surface settlement situation, for anti-back of the body soil contracting control operation control surface settlement, provides control data.
For the setting of details, in the present embodiment, described interactive operation equipment 6 comprises touch-screen 601 and operating desk 602, and described touch-screen 601 and operating desk 602 are all connected with described computer PLC main website 5.Described interactive operation equipment 6, computer PLC main website 5, electrical control cabinet 7 and hydraulic power unit 8 are all located on the chassis 11 of shield machine.Hydraulic valve bank 9 connects described hydraulic power unit 8 and oil cylinder 2 by hydraulic-driven oil pipe respectively, between computer PLC main website 5 and computer PLC slave station 10, be connected by MITSUBISHI NET network service cable, between computer PLC slave station 10 and hydraulic valve bank 9, be connected by control cables, electrical control cabinet 7 is connected with described computer PLC main website 5 and hydraulic power unit 8 by driving cable respectively, stroke sensor 3 is connected described sedimentation detecting system and has at least comprised the ground target of being located at of being located at ground measurement total powerstation 12 and the use that matches with described computer PLC slave station 10 by sensor cable.
The present embodiment is on the one hand by the movement of the native plate of the anti-back of the body, make the large volume back of the body soil of rectangular shield engine housing top be cut into some fritters, in the time that shield machine advances, the large volume back of the body soil of top is constantly divided into several tomographies, thereby make the large volume that in prior art, shield machine top entirety is subject to carry on the back native effect by ceaselessly back of the body soil being cut off, be converted to the fritter soil body of 2 parts before and after cutting off, must reduce the native phenomenon of the back of the body.On the other hand, the present embodiment has been introduced being used in combination of computer PLC main website, electrical control cabinet, hydraulic valve bank and hydraulic power unit, uses the technology of hydraulic driving proportional valve control variables pump, make the control of the native plate of the anti-back of the body sensitiveer, more fast, more reliable.
The present embodiment also provides the control method of the anti-back of the body soil series system of a kind of rectangular shield machine, the anti-back of the body soil series system of rectangular shield machine that has adopted the present embodiment to provide, it is envisioned for substantially, the information of described computer PLC main website 5 input on interactive operation equipment 6 according to operating personnel and the data of described stroke sensor 3 Real-time Feedbacks output control instruction, and then driving described hydraulic power unit 8 to work by described electrical control cabinet 7, described hydraulic power unit 8 drives described oil cylinder 2 flexible by described hydraulic valve bank 9.
Under this imagines substantially, the present embodiment has also done concrete restriction, it can be considered as the control method under manual mode, in other embodiment that enumerate below the present invention, also describe the control method under control method, the synchronous mode under automatic mode in detail, the control method under control method and circulation mode under step mode, it all can adopt touch-screen 601 as shown in Figure 7 to operate, first the pattern of control method is selected, and then carried out the concrete enforcement of control operation.
In the present embodiment, please refer to Fig. 4, operating personnel are first by the quantity of the native plate 1 of the anti-back of the body described in described interactive operation equipment 6 input selections, the target stroke that described oil cylinder 2 is stretched or the direction of action that contracts and described oil cylinder 2 are stretched or contracted, wherein, the selection of native plate 1 quantity of the anti-back of the body can also be further defined to the native plate 1 of the anti-back of the body that selection is moved, then, operating personnel are by described interactive operation equipment implementation and operation, control the expanding-contracting action of described oil cylinder 2, and the run-length data feeding back according to described stroke sensor 3 is adjusted the deviation of oil cylinder stroke, until reach default target stroke.
Further specifically, stroke sensor 3 transfers to computer control PLC main website 5 by run-length data by computer PLC slave station 10, and then feed back on touch-screen 601, operating personnel are flexible by the button control oil cylinder 2 on touch-screen 601, comprise expanding-contracting action and flexible speed, when oil cylinder 2 stroke miss the mark strokes, manual actuation its stretch action, in the time that oil cylinder 2 exceedes target stroke, its action of contracting of manual actuation, until oil cylinder 2 stroke zero deflection, releases.
Manual mode is for the starting stage of the native operation of the anti-back of the body and the processing of emergency condition.According to job requirements, on touch-screen 601, select the quantity of the native plate 1 of the anti-back of the body, the direction of action of stretching or contracting by operator, input the desired value of each stroke, operate flexible stroke, the speed of the native plate 1 of the anti-back of the body by touch-screen 601 manual adjustments, the situation of monitoring task.In the time that the native plate 1 of the anti-back of the body arrives desired value position, manually stop operation.
In addition, in the present embodiment, artificial by measuring total powerstation to the flexible operation of surface settlement situation control.
The anti-back of the body soil series system of rectangular shield machine that the present embodiment adopts with embodiment 1 is identical, the present embodiment can be considered as the control method under automatic mode, adopt touch-screen 601 as shown in Figure 7 to operate, first the pattern of control method is selected, and then carried out the concrete enforcement of control operation.
In the present embodiment, the target stroke that operating personnel first stretch by quantity, the described oil cylinder 2 of the native plate 1 of the anti-back of the body described in described interactive operation equipment 6 input selections or the direction of action, the described oil cylinder 2 that contract are stretched or contract and the pressure control range of hydraulic pressure, wherein, the selection of native plate 1 quantity of the anti-back of the body can also be further defined to the native plate 1 of the anti-back of the body that selection is moved, and then realizes the action of stretching or contracting by the described oil cylinder 2 of described computer PLC main website 5 automatic control;
Automatically control that described oil cylinder 2 is stretched or the process that contracts in, described stroke sensor 3 feeds back to run-length data described computer PLC main website 5 in real time, described pressure sensor is given described computer PLC main website 5 by hydraulic pressure data feedback in real time, described computer PLC main website 5 generates control instruction according to the data of receiving, thereby automatically control the action of stretching or contract of described oil cylinder 2, make in the pressure control range of hydraulic pressure in default hydraulic pressure on the one hand, on the other hand, deviation to oil cylinder 2 strokes is adjusted, until reach default target stroke.
In telescopic process, system constantly detects the situations such as flexible stroke, pressure and the speed of the native plate 1 of the anti-back of the body, makes in time flexible adjustment control.In the time arriving desired value, automatically stop operation.Automatic mode has improved the accuracy of system manipulation system, reduces artificial disturbance and labour intensity.
In addition, in the present embodiment, the also automatic flexible operation of surface settlement situation control recording according to measurement total powerstation of described computer PLC main website.
The anti-back of the body soil series system of rectangular shield machine that the present embodiment adopts with embodiment 1 is identical, the present embodiment can be considered as the control method under synchronous mode, adopt touch-screen 601 as shown in Figure 7 to operate, first the pattern of control method is selected, and then carried out the concrete enforcement of control operation.
In the present embodiment, please refer to Fig. 5, the native plate of two or more anti-back ofs the body 1 synchronization action simultaneously, described computer PLC main website 5 transmits according to each described stroke sensor 3 run-length data and the speed data come and generates control instruction, thereby the stroke of each oil cylinder 2 is synchronizeed with speed maintenance.It also can be applied in automatic mode, combination with it, that is in its implementation process, also can implement the operating procedure under automatic mode simultaneously.
In the time that the native plate 1 of the anti-back of the body occurs that flexible stroke has deviation, system is carried out adjusted in concert automatically, until the flexible stroke of selected oil cylinder 2 all keeps synchronizeing with speed.In the time arriving target setting value, automatically stop operation.In Fig. 4 concrete example occur how deviation reaches synchronous flow process by the flexible control of oil cylinder when synchronized stroke, the present embodiment no longer does tired stating, it is the predictable means of technician in field.Synchronous mode control can make system manipulation have more unity and controllability, can tackle better the native demand of the anti-back of the body of different soil properties.
The anti-back of the body soil series system of rectangular shield machine that the present embodiment adopts with embodiment 1 is identical, the present embodiment can be considered as the control method under step mode, adopt touch-screen 601 as shown in Figure 7 to operate, first the pattern of control method is selected, and then carried out the concrete enforcement of control operation.
Please refer to Fig. 6, a target stroke is selected in the operation of described operating personnel by interactive operation equipment 6, described computer PLC main website 5 complete a goal-selling stroke stretch or contract after automatically stop expanding-contracting action.It also can be applied in automatic mode, combination with it, that is in its implementation process, also can implement the operating procedure under automatic mode simultaneously, certainly, it also can carry out with synchronous mode simultaneously.
Operator often presses button No. one time, and the native plate 1 of the anti-back of the body stops after will carrying out the flexible stroke that target stroke sets automatically, and then operator can optionally do next step operation again, and action is relatively more directly perceived, reliable.
The anti-back of the body soil series system of rectangular shield machine that the present embodiment adopts with embodiment 1 is identical, the present embodiment can be considered as the control method under circulation mode, adopt touch-screen 601 as shown in Figure 7 to operate, first the pattern of control method is selected, and then carried out the concrete enforcement of control operation.
Please refer to Fig. 6, described operating personnel are by the operation select target stroke on interactive operation equipment 6 and flexible cycle-index n, and described computer PLC main website 5, after the flexible circulation that completes n target stroke, stops expanding-contracting action automatically.It also can be applied in automatic mode, combination with it, that is in its implementation process, also can implement the operating procedure under automatic mode simultaneously, certainly, it also can carry out with synchronous mode simultaneously.
Under circulation mode, operating personnel can first arrange flexible cycle-index and the stroke etc. of the native plate 1 of the anti-back of the body, and operator often presses button No. one time, and the native plate 1 of the anti-back of the body will be carried out the flexible operation of circulation of a target stroke, then automatically stops.Operator regards industry situation as and does next step operation.Can meet the native demand of the anti-back of the body of different operations, so also can remove operator from and manually go the trouble of closing down, operation is selected more convenient, flexible.
In sum, the present invention is in the time coming into effect control, by the operation interface of operating desk human-computer dialogue touch-screen, select operation interface, determine control model, input initial parameter, then set the native plate of the anti-back of the body of required flexible work, start pumping source, provide the flexible power of oil cylinder to deliver to hydraulic valve bank by hydraulic-driven oil pipe by hydraulic power unit, on operating desk human-computer dialogue touch-screen, carry out the operation of stretching speed and action.By computer PLC slave station control hydraulic valve bank, the native plate of the anti-back of the body is driven to the flexible control that commutates of oil cylinder.When work, anti-back of the body soil plate drives the stroke sensor of oil cylinder end just to start to detect stroke changing value, starts detected pressures variation by the pressure sensor being arranged in hydraulic valve bank.System feeds back to computer PLC main website by PLC slave station through MITSUBISHI NET network 4 by these data-signals, information and date by it by collection is analyzed relatively, through calculation process, draw and the difference of Action Target value (management stroke value), make and accelerating or the control instruction of the oil cylinder stretching speed that slows down.
Claims (10)
1. the anti-back of the body soil series system of rectangular shield machine, is characterized in that: comprised the some native plate of the anti-back of the body, some group oil cylinders, the hydraulic power unit that drives described oil cylinder and control systems of being located at shield machine housing top;
Described in every group, oil cylinder is all in order to drive a native plate of the described anti-back of the body mobile along surface, shield machine housing top;
Described control system has comprised interactive operation equipment, computer PLC main website, electrical control cabinet and hydraulic valve bank, described interactive operation equipment is connected with described computer PLC main website, described computer PLC main website connects by hydraulic power unit described in described electrical control cabinet control, and described hydraulic power unit is connected with described oil cylinder by described hydraulic valve bank.
2. the anti-back of the body soil series system of rectangular shield machine as claimed in claim 1, it is characterized in that: described control system also comprises computer PLC slave station, in order to detecting the flexible stroke of described oil cylinder and the stroke sensor of stretching speed, in order to detect the sedimentation detecting system of surface settlement situation and to be located in described hydraulic valve bank in order to detect the pressure sensor of hydraulic pressure, described stroke sensor and pressure sensor are all connected with described computer PLC main website by described computer PLC slave station, and described sedimentation detecting system is connected with described computer PLC main website.
3. the anti-back of the body soil series of rectangular shield machine as claimed in claim 1 system, is characterized in that: described interactive operation equipment comprises touch-screen and operating desk, and described touch-screen and operating desk are all connected with described computer PLC main website.
4. the anti-back of the body soil series system of rectangular shield machine as claimed in claim 1, is characterized in that: described interactive operation equipment, computer PLC main website, electrical control cabinet and hydraulic power unit are all located on the chassis of shield machine.
5. a control method for the anti-back of the body soil series of rectangular shield machine system, is characterized in that: adopted the anti-back of the body soil series system of rectangular shield machine as claimed in claim 1, flexible stroke in order to detect described oil cylinder and the stroke sensor of stretching speed are also provided;
The information of described computer PLC main website input on interactive operation equipment according to operating personnel and the data of described stroke sensor Real-time Feedback output control instruction, and then driving described hydraulic power unit work by described electrical control cabinet, described hydraulic power unit drives described oil cylinder flexible by described hydraulic valve bank.
6. the control method of the anti-back of the body soil series system of rectangular shield machine as claimed in claim 5, it is characterized in that: the target stroke that operating personnel first stretch by quantity, the described oil cylinder of the native plate of the anti-back of the body described in described interactive operation equipment input selection or the direction of action that contracts and described oil cylinder are stretched or contracted, then, operating personnel are by described interactive operation equipment implementation and operation, control the expanding-contracting action of described oil cylinder, and according to the run-length data of described stroke sensor feedback, the deviation of oil cylinder stroke is adjusted, until reach default target stroke.
7. the control method of the anti-back of the body soil series system of rectangular shield machine as claimed in claim 5, is characterized in that: also provide and be located in described hydraulic valve bank in order to detect the pressure sensor of hydraulic pressure;
The target stroke that operating personnel first stretch by quantity, the described oil cylinder of the native plate of the anti-back of the body described in described interactive operation equipment input selection or the direction of action contracting, described oil cylinder are stretched or contract and the pressure control range of hydraulic pressure, then automatically control described oil cylinder by described computer PLC main website and realize the action of stretching or contracting;
Automatically control that described oil cylinder is stretched or the process that contracts in, described stroke sensor feeds back to run-length data described computer PLC main website in real time, described pressure sensor is given described computer PLC main website by hydraulic pressure data feedback in real time, described computer PLC main website generates control instruction according to the data of receiving, thereby automatically control the action of stretching or contract of described oil cylinder, make in the pressure control range of hydraulic pressure in default hydraulic pressure on the one hand, on the other hand, deviation to oil cylinder stroke is adjusted, until reach default target stroke.
8. the control method of the anti-back of the body soil series system of rectangular shield machine as described in one of as any in claim 5 to 7, it is characterized in that: run-length data and speed data that described computer PLC main website comes according to each described stroke sensor transmission generate control instruction, thereby the stroke of each oil cylinder is synchronizeed with speed maintenance.
9. the control method of the anti-back of the body soil series system of rectangular shield machine as described in one of as any in claim 5 to 7, it is characterized in that: a target stroke is selected in the operation of described operating personnel by interactive operation equipment, described computer PLC main website complete a goal-selling stroke stretch or contract after automatically stop expanding-contracting action.
10. the control method of the anti-back of the body soil series system of rectangular shield machine as described in one of as any in claim 5 to 7, it is characterized in that: described operating personnel are by the operation select target stroke on interactive operation equipment and flexible cycle-index n, described computer PLC main website, after the flexible circulation that completes n target stroke, stops expanding-contracting action automatically.
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| CN201410090198.7A CN103821527B (en) | 2014-03-12 | 2014-03-12 | The anti-back of the body soil series system of rectangular shield machine and control method thereof |
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| CN105300721A (en) * | 2015-11-18 | 2016-02-03 | 上海隧道工程有限公司 | Anti-earth-bearing test device of quasi-rectangular shield heading machine and test method thereof |
| CN105914630A (en) * | 2016-06-12 | 2016-08-31 | 河南森源电气股份有限公司 | Shield-tunneling-machine machine-mounted transformer substation and shield tunneling machine |
| CN106121663A (en) * | 2016-06-27 | 2016-11-16 | 湖北扬子江泵业有限责任公司 | A kind of shield control system |
| CN109098725A (en) * | 2018-08-25 | 2018-12-28 | 许明 | A kind of rectangular shield machine with the native device of anti-back |
| CN109989758A (en) * | 2017-12-29 | 2019-07-09 | 中铁隧道集团二处有限公司 | One kind is for the native Drag reduction devices of the anti-back of the thin earthing of Rectangular Tunnel |
| CN111927478A (en) * | 2020-07-08 | 2020-11-13 | 中交天和机械设备制造有限公司 | Shield tunneling machine cutter head sliding and swinging control system, shield tunneling machine cutter head system and shield tunneling machine |
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| CN105300721B (en) * | 2015-11-18 | 2018-02-23 | 上海隧道工程有限公司 | The native testing equipment of the anti-back of the body of class rectangle shield excavation machine and its test method |
| CN105914630A (en) * | 2016-06-12 | 2016-08-31 | 河南森源电气股份有限公司 | Shield-tunneling-machine machine-mounted transformer substation and shield tunneling machine |
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| CN109989758B (en) * | 2017-12-29 | 2020-08-11 | 中铁隧道集团二处有限公司 | Thin earth covering, back soil preventing and resistance reducing measures for rectangular tunnel |
| CN109098725A (en) * | 2018-08-25 | 2018-12-28 | 许明 | A kind of rectangular shield machine with the native device of anti-back |
| CN109098725B (en) * | 2018-08-25 | 2020-05-19 | 浙江中铁工程装备有限公司 | Rectangular shield constructs machine with prevent back of body native device |
| CN111927478A (en) * | 2020-07-08 | 2020-11-13 | 中交天和机械设备制造有限公司 | Shield tunneling machine cutter head sliding and swinging control system, shield tunneling machine cutter head system and shield tunneling machine |
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