CN203891890U - Water pressure and air pressure balance control system of shield tunneling machine in water-rich stratum - Google Patents
Water pressure and air pressure balance control system of shield tunneling machine in water-rich stratum Download PDFInfo
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- CN203891890U CN203891890U CN201420274777.2U CN201420274777U CN203891890U CN 203891890 U CN203891890 U CN 203891890U CN 201420274777 U CN201420274777 U CN 201420274777U CN 203891890 U CN203891890 U CN 203891890U
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Abstract
The utility model discloses a water pressure and air pressure balance control system of a shield tunneling machine in a water-rich stratum and solves the problem that normal tunneling of an existing shield tunneling machine is affected due to the fact that muck of the existing shield tunneling machine in a water-rich stratum cannot be discharged normally. The water pressure and air pressure balance control system is characterized in that a muck pressure sensor (8) is arranged on a screw machine muck outlet (3), a muck-cabin muck upper limiting sensor (9) is arranged on the muck-cabin inner wall at a height where volume is one third of that of a shield tunneling machine muck cabin (2), a muck-cabin water accumulation pressure sensor (10) is arranged on the muck-cabin inner wall 1m above the muck-cabin muck upper limiting sensor (9), an air pressure sensor (11) is arranged on the inner wall of the top of the muck cabin, an industrial personal computer (12) is arranged in a control chamber of the shield tunneling machine, and a compressed air output port of an air compressor (13) is communicated with the shield tunneling machine muck cabin (2) through a compressed air incoming pipe (14). By the water pressure and air pressure balance control system, construction efficiency of the shield tunneling machine in the water-rich stratum is improved, and shield tunneling quality is guaranteed.
Description
Technical field
The present invention relates to a kind of control system of shield machine, particularly a kind of native cabin control pressurer system of the shield machine tunneling in Fu Shui stratum.
Background technology
The excavation of subway tunnel has two kinds of modes, is respectively Mining Method and shield method.When geological conditions more complicated, above ground structure during again than comparatively dense, is generally to adopt shield construction tunnel.Shield method (Shield Method) is a kind of Fully-mechanized construction method in hidden construction process construction, and it is that shield machine is advanced in ground, by the country rock of shield structure shell and section of jurisdiction supporting surrounding, prevents that country rock from caving in tunnel.Meanwhile, in excavation face front, carry out soil excavation with topping machanism, by the machinery that is unearthed, the dregs excavating out is transported outside hole, by the jack jacking of pressurizeing at rear portion, and assembled precast concrete section of jurisdiction, form a kind of mechanized construction method of tunnel structure.The native freight space of shield machine is in cutter head of shield machine rear, is the seal cavity that carrying collects face and peel off rock mass and dregs.In the normal progradation of shield machine, the dregs that face peels off is buried and mouthful is entered into screw machine by screw machine, by belt conveyor, is discharged in the slag case of the battery truck of slagging tap.In shield machine soil cabin, operated by rotary motion has pressure sensor, for monitoring the pressure of cabin dregs, and signal is passed to shield machine control room, and for operating personnel provide reference, operating personnel regulate the fltting speed that the quantity of slag and shield machine of shield machine according to pressure.In rich water compound stratum, underground water has larger head pressure, underground water can enter into by rock fracture the native cabin of shield machine, cause the excessive problem of hydraulic pressure in the native cabin of shield machine, and then cause slagging tap and gush, dregs is slipped in tunnel from conveyor, has badly influenced the normal tunneling construction of shield machine.
Summary of the invention
The invention provides the shield machine hydraulic pressure air pressure balance control system in a kind of Fu Shui stratum, solved shield machine dregs in Fu Shui stratum and can not normally discharge the technical problem that affects the normal driving of shield machine.
The present invention solves above technical problem by the following technical programs:
Shield machine hydraulic pressure air pressure balance control system in a kind of Fu Shui stratum, comprise cutter head of shield machine 1, be provided with shield machine soil cabin 2 at the rear side of cutter head of shield machine 1, lower end in shield machine soil cabin 2 is provided with screw machine soil outlet 3, on screw machine soil outlet 3, be connected with screw machine 4, on screw machine soil outlet 3, be provided with soil pressure of soil pressure sensor 8, on the native cabin inwall of the At The Height of 1/3rd capacity in shield machine soil cabin 2, be provided with native cabin dregs upper limit sensor 9, on the native cabin inwall at 1 meter of above native cabin dregs upper limit sensor 9, be provided with native cabin ponding pressure sensing 10, on the inwall at top, native cabin, be provided with baroceptor 11, in the control room of shield machine, be provided with Industrial Personal Computer (IPC) 12, soil pressure of soil pressure sensor 8, soil cabin dregs upper limit sensor 9, soil cabin ponding pressure sensing 10 and baroceptor 11 are electrically connected with Industrial Personal Computer (IPC) 12 respectively, the control output end of Industrial Personal Computer (IPC) 12 is electrically connected by control circuit 15 and air compressor 13, the compressed air delivery outlet of air compressor 13 is connected together by compressed air inlet pipe 14 and shield machine soil cabin 2, in native cabin, be disposed with from top to bottom native cabin dregs 5, pneumatosis 7 in soil cabin internal water accumulation 6 and native cabin.
Shield machine hydraulic pressure air pressure balance control method in a kind of Fu Shui stratum, it is characterized in that: Industrial Personal Computer (IPC) 12 is that the soil pressure of soil pressure sensor 8 arranging by screw machine soil outlet 3 places transmits the pressure signal of coming, judge whether screw machine soil outlet 3 places in native cabin are sealed by dregs, if screw machine soil outlet 3 is sealed by dregs, keep the quantity of slag that of screw machine 4, if screw machine soil outlet 3 does not seal, reduce the quantity of slag that of screw machine 4 by shield machine control room; Industrial Personal Computer (IPC) 12 is to transmit by native cabin dregs upper limit sensor 9 the pressure signal of coming, judge that dregs position in native cabin is whether higher than 1/3rd of the total capacity in shield machine soil cabin 2, if not higher than 1/3rd of the total capacity in shield machine soil cabin 2, keep the quantity of slag that of screw machine 4, if higher than 1/3rd of the total capacity in shield machine soil cabin 2, increase the quantity of slag that of screw machine 4 by shield machine control room; Industrial Personal Computer (IPC) 12 is the ponding pressure sensing 10 in shield machine soil cabin 2 to be transmitted to the pressure signal coming and the pressure signal that baroceptor 11 transmits compare, if when the pneumatosis pressure in the ponding pressure in shield machine soil cabin 2 and shield machine soil cabin 2 is unequal, Industrial Personal Computer (IPC) 12 is by regulating the air demand of air compressor 13, the ponding pressure in shield machine soil cabin 2 is equated with the pneumatosis pressure in shield machine soil cabin 2, thereby reach hydraulic pressure and the air pressure balance in shield machine soil cabin 2.
The invention solves a difficult problem for Fu Shui stratum shield-tunneling construction, by making hydraulic pressure and the air pressure balance in shield machine soil cabin, the dregs that has effectively ensured shield machine is discharged smoothly, has improved the efficiency of construction of the shield machine in Fu Shui stratum, has ensured the quality of shield-tunneling construction.
Brief description of the drawings
Fig. 1 is structural representation of the present invention.
Detailed description of the invention
Shield machine hydraulic pressure air pressure balance control system in a kind of Fu Shui stratum, comprise cutter head of shield machine 1, be provided with shield machine soil cabin 2 at the rear side of cutter head of shield machine 1, lower end in shield machine soil cabin 2 is provided with screw machine soil outlet 3, on screw machine soil outlet 3, be connected with screw machine 4, on screw machine soil outlet 3, be provided with soil pressure of soil pressure sensor 8, on the native cabin inwall of the At The Height of 1/3rd capacity in shield machine soil cabin 2, be provided with native cabin dregs upper limit sensor 9, on the native cabin inwall at 1 meter of above native cabin dregs upper limit sensor 9, be provided with native cabin ponding pressure sensing 10, on the inwall at top, native cabin, be provided with baroceptor 11, in the control room of shield machine, be provided with Industrial Personal Computer (IPC) 12, soil pressure of soil pressure sensor 8, soil cabin dregs upper limit sensor 9, soil cabin ponding pressure sensing 10 and baroceptor 11 are electrically connected with Industrial Personal Computer (IPC) 12 respectively, the control output end of Industrial Personal Computer (IPC) 12 is electrically connected by control circuit 15 and air compressor 13, the compressed air delivery outlet of air compressor 13 is connected together by compressed air inlet pipe 14 and shield machine soil cabin 2, in native cabin, be disposed with from top to bottom native cabin dregs 5, pneumatosis 7 in soil cabin internal water accumulation 6 and native cabin.
Shield machine hydraulic pressure air pressure balance control method in a kind of Fu Shui stratum, it is characterized in that: Industrial Personal Computer (IPC) 12 is that the soil pressure of soil pressure sensor 8 arranging by screw machine soil outlet 3 places transmits the pressure signal of coming, judge whether screw machine soil outlet 3 places in native cabin are sealed by dregs, if screw machine soil outlet 3 is sealed by dregs, keep the quantity of slag that of screw machine 4, if screw machine soil outlet 3 does not seal, reduce the quantity of slag that of screw machine 4 by shield machine control room; Industrial Personal Computer (IPC) 12 is to transmit by native cabin dregs upper limit sensor 9 the pressure signal of coming, judge that dregs position in native cabin is whether higher than 1/3rd of the total capacity in shield machine soil cabin 2, if not higher than 1/3rd of the total capacity in shield machine soil cabin 2, keep the quantity of slag that of screw machine 4, if higher than 1/3rd of the total capacity in shield machine soil cabin 2, increase the quantity of slag that of screw machine 4 by shield machine control room; Industrial Personal Computer (IPC) 12 is the ponding pressure sensing 10 in shield machine soil cabin 2 to be transmitted to the pressure signal coming and the pressure signal that baroceptor 11 transmits compare, if when the pneumatosis pressure in the ponding pressure in shield machine soil cabin 2 and shield machine soil cabin 2 is unequal, Industrial Personal Computer (IPC) 12 is by regulating the air demand of air compressor 13, the ponding pressure in shield machine soil cabin 2 is equated with the pneumatosis pressure in shield machine soil cabin 2, thereby reach hydraulic pressure and the air pressure balance in shield machine soil cabin 2.
Specific embodiment of the invention is divided into following step: in the progradation of shield machine, feed back to the pressure signal of Industrial Personal Computer (IPC) 12 by soil pressure of soil pressure sensor 8, judge whether the dregs in shield machine soil cabin 2 can seal screw machine soil outlet 3 completely, thereby ensure that shield machine soil cabin 2 is by completely airtight, to set up air pressure.By being limited to sensor 9 on the dregs of native cabin, ensure dregs position be no more than shield machine soil cabin 2 volume 1/3rd, if the dregs position in shield machine soil cabin 2 is greater than 1/3rd, will affect shield driving speed, improve the quantity of slag that of screw machine 4.The pressure signal that finally passes to Industrial Personal Computer (IPC) 12 by native cabin ponding pressure sensing 10 and baroceptor 11 is controlled the charge flow rate of air compressor 13, if pass to the pressure information of Industrial Personal Computer (IPC) 12 by native cabin ponding pressure sensing 10 and baroceptor 11 not identical, Industrial Personal Computer (IPC) 12, to air compressor 13 transmission of signals, improves air compressor 13 air demands.The present invention is mainly the gas-water pressure balance of controlling in shield machine soil cabin 2, and ensures that the ponding depth of water in shield machine soil cabin 2 is no more than 1 meter, thereby makes dregs workability meet continuous excavation condition, and shield-tunneling construction can normally be advanced continuously.
Claims (1)
1. the shield machine hydraulic pressure air pressure balance control system in a Fu Shui stratum, comprise cutter head of shield machine (1), be provided with shield machine soil cabin (2) at the rear side of cutter head of shield machine (1), lower end in shield machine soil cabin (2) is provided with screw machine soil outlet (3), on screw machine soil outlet (3), be connected with screw machine (4), it is characterized in that, on screw machine soil outlet (3), be provided with soil pressure of soil pressure sensor (8), on the native cabin inwall of the At The Height of 1/3rd capacity in shield machine soil cabin (2), be provided with native cabin dregs upper limit sensor (9), on the native cabin inwall at 1 meter of, top of native cabin dregs upper limit sensor (9), be provided with native cabin ponding pressure sensing (10), on the inwall at top, native cabin, be provided with baroceptor (11), in the control room of shield machine, be provided with Industrial Personal Computer (IPC) (12), soil pressure of soil pressure sensor (8), soil cabin dregs upper limit sensor (9), soil cabin ponding pressure sensing (10) and baroceptor (11) are electrically connected with Industrial Personal Computer (IPC) (12) respectively, the control output end of Industrial Personal Computer (IPC) (12) is electrically connected by control circuit (15) and air compressor (13), the compressed air delivery outlet of air compressor (13) is connected together by compressed air inlet pipe (14) and shield machine soil cabin (2), in shield machine soil cabin (2), be disposed with from top to bottom native cabin dregs (5), pneumatosis (7) in soil cabin internal water accumulation (6) and native cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274777.2U CN203891890U (en) | 2014-05-27 | 2014-05-27 | Water pressure and air pressure balance control system of shield tunneling machine in water-rich stratum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274777.2U CN203891890U (en) | 2014-05-27 | 2014-05-27 | Water pressure and air pressure balance control system of shield tunneling machine in water-rich stratum |
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| Publication Number | Publication Date |
|---|---|
| CN203891890U true CN203891890U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274777.2U Expired - Fee Related CN203891890U (en) | 2014-05-27 | 2014-05-27 | Water pressure and air pressure balance control system of shield tunneling machine in water-rich stratum |
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| CN (1) | CN203891890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018844A (en) * | 2014-05-27 | 2014-09-03 | 中铁十九局集团轨道交通工程有限公司 | Shield tunneling machine water-pressure and gas-pressure balance control system and method in water-rich stratum |
| CN105221159A (en) * | 2015-10-10 | 2016-01-06 | 银川英奥特自控有限公司 | Electrically jointly control type shield structure pressure-retaining system |
| CN108678766A (en) * | 2018-07-03 | 2018-10-19 | 中国铁建重工集团有限公司 | A kind of development machine slag-tapping system and driving machine equipment |
-
2014
- 2014-05-27 CN CN201420274777.2U patent/CN203891890U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104018844A (en) * | 2014-05-27 | 2014-09-03 | 中铁十九局集团轨道交通工程有限公司 | Shield tunneling machine water-pressure and gas-pressure balance control system and method in water-rich stratum |
| CN104018844B (en) * | 2014-05-27 | 2016-03-02 | 中铁十九局集团轨道交通工程有限公司 | Shield machine hydraulic pressure air pressure balance control system in water rich strata and control method thereof |
| CN105221159A (en) * | 2015-10-10 | 2016-01-06 | 银川英奥特自控有限公司 | Electrically jointly control type shield structure pressure-retaining system |
| CN105221159B (en) * | 2015-10-10 | 2017-05-24 | 银川英奥特自控有限公司 | Electric-pneumatic combined control type shield pressure maintaining system |
| CN108678766A (en) * | 2018-07-03 | 2018-10-19 | 中国铁建重工集团有限公司 | A kind of development machine slag-tapping system and driving machine equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20180527 |
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| CF01 | Termination of patent right due to non-payment of annual fee |