CN207420573U - A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine - Google Patents
A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine Download PDFInfo
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- CN207420573U CN207420573U CN201721007475.9U CN201721007475U CN207420573U CN 207420573 U CN207420573 U CN 207420573U CN 201721007475 U CN201721007475 U CN 201721007475U CN 207420573 U CN207420573 U CN 207420573U
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- 239000002002 slurry Substances 0.000 title claims abstract description 30
- 230000001105 regulatory effect Effects 0.000 claims abstract description 13
- 238000001727 in vivo Methods 0.000 claims abstract description 4
- 230000003993 interaction Effects 0.000 claims description 32
- 238000006243 chemical reaction Methods 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 abstract description 10
- 238000004880 explosion Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 42
- 230000000694 effects Effects 0.000 description 7
- 210000000664 rectum Anatomy 0.000 description 6
- 238000009412 basement excavation Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000012495 reaction gas Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000012407 engineering method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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Abstract
The utility model provides a kind of automatic pressure-maintaining system for slurry balance shield machine, including air cushion cabin, further include tele-control system, gas handling system and exhaust system, tele-control system can set the pressure in air cushion cabin, also, according to the pressure in the air cushion cabin of setting gas handling system and exhaust system is controlled to adjust the actual pressure in air cushion cabin and the pressure match in the air cushion cabin of above-mentioned setting.Shield machine according to the present utility model, including housing and mounted on the in vivo automatic pressure-maintaining system for slurry balance shield machine as described above of shell.It is automatically controlled using electrical hybrid remote, when running into pipe blocking when emergencies, the preset pressure of adjustment pressure-retaining system that can be quick, safe by tele-control system, regulating system the problem of pressure causes the failures such as wharf explosion cannot be set so as to avoid when there is pipe blocking when emergencies in time, and by remote control, production security can be improved.
Description
Technical field
The utility model belongs to shield machine technical field, and in particular to a kind of automatic pressure-maintaining for slurry balance shield machine
System and shield machine.
Background technology
Shield method is the major way of Urban Underground track traffic construction, the engineering method is by stablizing excavation face, shield machine excavates,
Three aspect compositions of lining cutting are installed.To ensure that big sedimentation or protuberance deformation do not occur for bottom, sealed compartment is necessary in front of shield
Guarantee has certain pressure that can keep dynamic equilibrium with stratum soil pressure and water pressure, can pass through soil pressure, hydraulic pressure or air pressure
Etc. realizing.Wherein, slurry balance shield pressure slurry ensures that digging face is stablized, and with pipeline track is replaced to be unearthed, added
Fast driving speed, improves working condition and construction environment, can preferably stablize excavation face and prevent that earth's surface is grand sunken, become mesh
The important shield technique of former.The mode of excavation face is balanced according to slurry balance shield, slurry balance shield can be subdivided into
Direct control type slurry balance shield and indirect control formula slurry balance shield.
Indirect control formula slurry balance shield utilizes automatic pressure-maintaining system using the mud film formed at mud and excavation face as medium
System adjusts the pressure of the compressed air in air cushion cabin, and excavation surface pressure is made to keep dynamic equilibrium.Compared with direct control type system, by
Presence in air cushion cabin, the interference free performance of indirect control formula system are preferable.It is applied to indirect control formula mud and water balance shield at present
The automatic air pressure maintaining system of structure, pressure setting means is local control mode, in addition controller is typically located at middle shield,
Pipe blocking occur regulating system cannot set pressure in time when emergencies, be susceptible to the failures such as wharf explosion.
The content of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide one kind for mud and water balance shield
The automatic pressure-maintaining system and shield machine of structure machine, it can be ensured that the remote auto control of indirect control formula slurry balance shield, so as to
It avoids the problem that regulating system setting pressure the failures such as wharf explosion cannot be caused in time when there is pipe blocking when emergencies.
In order to solve the above-mentioned technical problem, the utility model proposes technical solution be：
A kind of automatic pressure-maintaining system for slurry balance shield machine, including air cushion cabin, further include tele-control system, into
Gas system and exhaust system, tele-control system can set the pressure in air cushion cabin, also, the pressure in the air cushion cabin according to setting
Gas handling system and exhaust system is controlled to adjust the actual pressure in air cushion cabin and the pressure match in the air cushion cabin of above-mentioned setting.
Automatic pressure-maintaining system according to the present utility model for slurry balance shield machine, it is automatic using electrical hybrid remote
When running into pipe blocking when emergencies, quick, safety the pre- of pressure-retaining system can be adjusted by tele-control system for control
If pressure, regulating system setting pressure wharf explosion etc. cannot be caused in time so as to avoid when there is pipe blocking when emergencies
The problem of failure, and by remote control, production security can be improved.
For above-mentioned technical proposal, the further improvement that can be also discussed below.
Automatic pressure-maintaining system according to the present utility model for slurry balance shield machine, in a preferred embodiment
In, tele-control system includes control room, electrically-controlled controller, pneumatic-to-current converter, electropneumatic transducer, air motor, gas control control
Device, pressure transmitter, pressure sensor.After the pressure in control room setting air cushion cabin, transmission current signal to electrically-controlled controller,
Electrically-controlled controller transmits current signal and is converted to air pressure signal driving air motor setting gas control controller to electropneumatic transducer
Pressure, so as to control gas handling system and exhaust system by gas control controller and pressure transmitter, also, air pressure signal passes through
Pneumatic-to-current converter is converted into current signal transfer to electrically-controlled controller.The pressure value in air cushion cabin feeds back to control by pressure sensor
Room processed.
Specifically, electrically-controlled controller and gas control controller are PID controller.
The specific set-up mode of above-mentioned tele-control system can realize that the long-range of automatic pressure-maintaining system pressure accurately sets
It is fixed.Since the system has increased electrical PID control newly in existing control, setting pressure is adjusted by electrical hybrid mode, because
This can be in master control room remote setting system pressure, without as existing system, passing through the controller being arranged in shield body
It operates on the spot, also, PID controller can improve the response speed of system, reduce systematic error, so as to optimize remote control system
System.
In one preferred embodiment, gas handling system includes the Self-operated pressure reducing valve and and self-operated type that are connected with source of the gas
First positive interaction pneumatic control valve of pressure reducing valve connection, the first positive interaction pneumatic control valve connects with air cushion cabin, also, first just
Acting pneumatic regulating valve is connected with tele-control system.When tele-control system detects by pressure transmitter the reality in air cushion cabin
When border pressure is less than setting pressure, can the first positive interaction pneumatic control valve and operated pressure-reducing be opened by gas control controller
Valve inputs compressed air to improve the pressure in air cushion cabin and setting pressure match by gas handling system to air cushion cabin.At this point, pass through
Gas control controller closes gas handling system.
Further, gas handling system further includes the second positive interaction pneumatic control valve connected with Self-operated pressure reducing valve, and second
Positive interaction pneumatic control valve is connected with air cushion cabin, also, the second positive interaction pneumatic control valve is connected with tele-control system.Work as gas
When the actual pressure of dunnage and larger setting differing pressure, the first positive interaction can be opened simultaneously by gas control controller and pneumatically adjusted
Valve and the second positive interaction pneumatic control valve are saved, so as to improve the work efficiency under the heavy traffic condition of gas handling system, reaches fast
The effect of fast pressurize.The structure of combination one positive interaction pneumatic control valve of substitution of two positive interaction pneumatic control valves, Ke Yizeng
Add the applicability of pressure-retaining system, and it is possible to avoid making needs in the actual pressure in air cushion cabin and larger setting differing pressure
Using the positive interaction pneumatic control valve of a super-large diameter, the problem of causing cost increase.
In one preferred embodiment, the first reaction that exhaust system includes connecting with air cushion cabin is pneumatically adjusted
Valve, also, the first reaction pneumatic control valve is connected with tele-control system.When tele-control system is examined by pressure transmitter
When measuring the actual pressure in air cushion cabin more than setting pressure, can the first reaction be opened by gas control controller and pneumatically adjusted
Valve, air cushion cabin discharge compressed air to reduce the pressure in air cushion cabin and setting pressure match by exhaust system.It is at this point, logical
It crosses gas control controller and closes gas handling system.
Further, exhaust system further includes the second reaction pneumatic control valve connected with air cushion cabin, also, second is anti-
Acting pneumatic regulating valve is connected with tele-control system.It, can be with when setting pressure and differing larger with the actual pressure in air cushion cabin
First reaction pneumatic control valve and the second reaction pneumatic control valve are opened by gas control controller simultaneously, arranged so as to improve
Work efficiency under the heavy traffic condition of gas system achievees the effect that quick pressurize.The combination of two reaction pneumatic control valves
Substitute the structure of a reaction pneumatic control valve, the applicability of pressure-retaining system can be increased, and it is possible to avoid in air cushion cabin
Setting pressure make when differing larger with the actual pressure in air cushion cabin to need pneumatically to adjust using the reaction of a super-large diameter
Valve, the problem of causing cost increase.
Further, exhaust system further includes muffler.Muffler can reduce noise pollution during exhaust.
Shield machine according to a second aspect of the present invention, including housing and mounted on the in vivo use as described above of shell
In the automatic pressure-maintaining system of slurry balance shield machine.
Compared with prior art, the utility model has the advantage of：It can quick, safety adjustment guarantor by tele-control system
The preset pressure of pressure system regulating system cannot set pressure in time so as to avoid when there is pipe blocking when emergencies
The problem of causing the failures such as wharf explosion, and by remote control, production security can be improved.
Description of the drawings
The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：
Fig. 1 schematically illustrates the automatic pressure-maintaining system and work for slurry balance shield machine of the utility model embodiment
Make principle.
In the accompanying drawings, identical component uses identical reference numeral.Attached drawing is not drawn according to actual ratio.
Specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but is not therefore limited
The scope of protection of the utility model processed.
Fig. 1 schematically illustrates the automatic pressure-maintaining system and work for slurry balance shield machine of the utility model embodiment
Make principle.As shown in Figure 1, the automatic pressure-maintaining system for slurry balance shield machine of the utility model embodiment, including air cushion
Cabin 8 further includes tele-control system, gas handling system and exhaust system, and tele-control system can set the pressure in air cushion cabin 8,
Also, according to the pressure in the air cushion cabin 8 of setting control gas handling system and exhaust system adjust the actual pressure in air cushion cabin 8 with it is above-mentioned
The pressure match in the air cushion cabin 8 of setting.In one preferred embodiment, specifically, tele-control system includes control room
1st, electrically-controlled controller 2, pneumatic-to-current converter 3, electropneumatic transducer 4, air motor 5, gas control controller 6, pressure transmitter 7, pressure
Sensor 16.After control room 1 sets the pressure in air cushion cabin 8, to electrically-controlled controller 2, electrically-controlled controller 2 passes transmission current signal
Defeated current signal is converted to the pressure of the air pressure signal driving setting gas control of air motor 5 controller 6 to electropneumatic transducer 4, so as to
Gas handling system and exhaust system are controlled by gas control controller 6 and pressure transmitter 7, also, air pressure signal is turned by pneumoelectric
Parallel operation 3 is converted into current signal transfer to electrically-controlled controller 2.The pressure value in the air cushion cabin 8 is fed back by pressure sensor 16
To control room 1.Specifically, control room 1 is PLC control rooms, including potentiometric controller and display, electrically-controlled controller 2 and gas control
Controller 6 is PID controllers.It is automatically controlled using electrical hybrid remote, when running into pipe blocking when emergencies, led to
The preset pressure for the adjustment pressure-retaining system that tele-control system can be quick, safe is crossed, so as to avoid there is pipe blocking etc.
Regulating system the problem of pressure causes the failures such as wharf explosion cannot be set in time during emergency, and by remote control, it can
Improve production security.The specific set-up mode of this tele-control system, can realize the long-range of automatic pressure-maintaining system pressure
Accurate setting.Since the system has increased electrical PID control newly in existing control, setting pressure is adjusted by electrical hybrid mode
Power, therefore can be in master control room remote setting system pressure, without as existing system, passing through the control being arranged in shield body
Device processed operates on the spot, also, PID controller can improve the response speed of system, reduces systematic error, so as to optimize long-range control
System processed.
In one preferred embodiment, specifically, gas handling system includes the Self-operated pressure reducing valve 9 connected with source of the gas 15
The the first positive interaction pneumatic control valve 10 connected with Self-operated pressure reducing valve 9, the first positive interaction pneumatic control valve 10 and air cushion cabin 8
Connection, also, the first positive interaction pneumatic control valve 10 is connected with tele-control system.Further, gas handling system further include with
The second positive interaction pneumatic control valve 11 that Self-operated pressure reducing valve 9 connects, the second positive interaction pneumatic control valve 11 connect with air cushion cabin 8
It is logical, also, the second positive interaction pneumatic control valve 11 is connected with tele-control system.When tele-control system passes through pressure transmitter
7 detect air cushion cabin 8 actual pressure be less than setting pressure when, can by gas control controller 6 open the first positive interaction it is pneumatic
Regulating valve 10 and Self-operated pressure reducing valve 9, by gas handling system to air cushion cabin input compressed air with improve the pressure in air cushion cabin with
Set pressure match.At this point, gas handling system is closed by gas control controller 6.When the actual pressure in air cushion cabin 8 is with setting pressure phase
When difference is larger, can the first positive interaction pneumatic control valve 10 be opened simultaneously by gas control controller 6 and the second positive interaction is pneumatically adjusted
Valve 11 is saved, so as to improve the work efficiency under the heavy traffic condition of gas handling system, achievees the effect that quick pressurize.Two positive works
Substitute the structure of a positive interaction pneumatic control valve with the combination of pneumatic control valve, the applicability of pressure-retaining system can be increased, and
And it can make to need the positive work using a super-large diameter to avoid in the actual pressure in air cushion cabin and larger setting differing pressure
With pneumatic control valve, the problem of causing cost increase.In addition, specifically, the first positive interaction pneumatic control valve 10 and the second positive work
It is arranged to different latus rectums with pneumatic control valve 11, for example, the latus rectum of the first positive interaction pneumatic control valve 10 is arranged to be suitable for
The situation of small flow-rate adjustment, the latus rectum 11 of the second positive interaction pneumatic control valve are arranged to be suitable for the situation that big flow is adjusted, and
Two positive interaction pneumatic control valves combine and can be applicable in the situation of the king-sized flow-rate adjustment of flow, in this way, just into one
Step ensures the pressure holding effect of automatic pressure-maintaining system.
In one preferred embodiment, specifically, exhaust system includes the first reaction gas connected with air cushion cabin 8
Dynamic regulating valve 12, also, the first reaction pneumatic control valve 12 is connected with tele-control system.Further, exhaust system is also
Including the second reaction pneumatic control valve 13 connected with air cushion cabin 8, also, the second reaction pneumatic control valve 13 is controlled with long-range
System connection processed.When tele-control system detects that the actual pressure in air cushion cabin 8 is more than setting pressure by pressure transmitter 7
When, can the first reaction pneumatic control valve 12 be opened by gas control controller 6, air cushion cabin 8 is discharged by exhaust system
Compressed air with reduce the pressure in air cushion cabin 8 with setting pressure match.At this point, gas handling system is closed by gas control controller 6.When
When setting pressure differs larger with the actual pressure in air cushion cabin 8, can the first reaction gas be opened by gas control controller 6 simultaneously
12 and second reaction pneumatic control valve 13 of dynamic regulating valve, so as to improve the effect of the work under the heavy traffic condition of exhaust system
Rate achievees the effect that quick pressurize.The knot of combination one reaction pneumatic control valve of substitution of two reaction pneumatic control valves
Structure, can increase the applicability of pressure-retaining system, and it is possible to avoid the setting pressure in air cushion cabin and the actual pressure in air cushion cabin
The problem of making to need the reaction pneumatic control valve using a super-large diameter, cause cost increase when differing larger.In addition, tool
Body, the first reaction pneumatic control valve 12 and the second reaction pneumatic control valve 13 are arranged to different latus rectums, for example, first
The latus rectum of reaction pneumatic control valve 12 is arranged to suitable for the situation of small flow-rate adjustment, the second reaction pneumatic control valve 13
Latus rectum 11 is arranged to be suitable for the situation that big flow is adjusted, and two positive interaction pneumatic control valves combine can be applicable in stream
The situation of king-sized flow-rate adjustment is measured, in this way, just further ensuring the pressure holding effect of automatic pressure-maintaining system.
Further, exhaust system further includes muffler 14.Muffler 14 can reduce noise pollution during exhaust.
The shield machine of second aspect according to embodiments of the present invention, it is including housing and in vivo such as above-mentioned reality mounted on shell
Apply the automatic pressure-maintaining system for slurry balance shield machine described in example.
According to above-described embodiment, it is seen then that the utility model is related to the automatic pressure-maintaining system for slurry balance shield machine
The preset pressure of adjustment pressure-retaining system that can be quick, safe by tele-control system, so as to avoid there is pipe blocking
Regulating system the problem of pressure causes the failures such as wharf explosion cannot be set in time when emergencies, and pass through remote control, energy
Enough improve production security.
Although the present utility model has been described by reference to the preferred embodiments, but the model of the utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and component therein can be replaced with equivalent.Especially, as long as not depositing
In structural conflict, items technical characteristic mentioned in the various embodiments can be combined in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical solutions including falling within the scope of the appended claims.
Claims (8)
1. a kind of automatic pressure-maintaining system for slurry balance shield machine, including air cushion cabin, which is characterized in that further include long-range control
System processed, gas handling system and exhaust system；
The tele-control system can set the pressure in the air cushion cabin, also, according to the air cushion cabin of above-mentioned setting
Pressure controls the gas handling system and the exhaust system to adjust the actual pressure in the air cushion cabin and the air cushion cabin of above-mentioned setting
Pressure match；
The tele-control system includes control room, electrically-controlled controller, pneumatic-to-current converter, electropneumatic transducer, air motor, gas control
Controller, pressure transmitter, pressure sensor；
After the control room sets the pressure in the air cushion cabin, transmission current signal is described automatically controlled to the electrically-controlled controller
Controller transmits current signal and is converted to the air pressure signal driving air motor setting gas control to the electropneumatic transducer
The pressure of controller, so as to control the gas handling system and the row by the gas control controller and the pressure transmitter
Gas system, also, the air pressure signal is converted into current signal transfer to the electrically-controlled controller by the pneumatic-to-current converter；
The pressure value in the air cushion cabin feeds back to the control room by the pressure sensor.
2. the automatic pressure-maintaining system according to claim 1 for slurry balance shield machine, which is characterized in that described automatically controlled
Controller and the gas control controller are PID controller.
3. the automatic pressure-maintaining system according to claim 1 or 2 for slurry balance shield machine, which is characterized in that described
Gas handling system includes the Self-operated pressure reducing valve connected with source of the gas and the first positive interaction connected with the Self-operated pressure reducing valve is pneumatic
Regulating valve, the first positive interaction pneumatic control valve are connected with the air cushion cabin, also, the first positive interaction pneumatic control valve
It is connected with the tele-control system.
4. the automatic pressure-maintaining system according to claim 3 for slurry balance shield machine, which is characterized in that the air inlet
System further includes the second positive interaction pneumatic control valve connected with the Self-operated pressure reducing valve, and second positive interaction is pneumatically adjusted
Valve is connected with the air cushion cabin, also, the second positive interaction pneumatic control valve is connected with the tele-control system.
5. the automatic pressure-maintaining system according to claim 1 or 2 for slurry balance shield machine, which is characterized in that described
Exhaust system includes the first reaction pneumatic control valve connected with the air cushion cabin, also, first reaction is pneumatically adjusted
Section valve is connected with the tele-control system.
6. the automatic pressure-maintaining system according to claim 5 for slurry balance shield machine, which is characterized in that the exhaust
System further includes the second reaction pneumatic control valve connected with the air cushion cabin, also, second reaction is pneumatically adjusted
Valve is connected with the tele-control system.
7. the automatic pressure-maintaining system according to claim 5 for slurry balance shield machine, which is characterized in that the exhaust
System further includes muffler.
8. a kind of shield machine, it is used for including housing and mounted on shell is in vivo as any one of claim 1 to 7
The automatic pressure-maintaining system of slurry balance shield machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007475.9U CN207420573U (en) | 2017-08-11 | 2017-08-11 | A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721007475.9U CN207420573U (en) | 2017-08-11 | 2017-08-11 | A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine |
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| Publication Number | Publication Date |
|---|---|
| CN207420573U true CN207420573U (en) | 2018-05-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721007475.9U Active CN207420573U (en) | 2017-08-11 | 2017-08-11 | A kind of automatic pressure-maintaining system and shield machine for slurry balance shield machine |
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| CN (1) | CN207420573U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056993A1 (en) * | 2018-09-17 | 2020-03-26 | 中国铁建重工集团有限公司 | Main drive high-pressure sealing system for shield machine and slurry balance shield machine |
| CN113863943A (en) * | 2021-10-12 | 2021-12-31 | 中建八局轨道交通建设有限公司 | Pressure maintaining method for long-time halt of slurry balance shield after matched disassembly and assembly |
| RU2773342C1 (en) * | 2018-09-17 | 2022-06-02 | Чайна Рейлвэй Констракшен Хэви Индастри Корпорейшен Лимитед | High-pressure sealing system of the main drive of a tunnelling shield and slurry tunnelling shield |
-
2017
- 2017-08-11 CN CN201721007475.9U patent/CN207420573U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020056993A1 (en) * | 2018-09-17 | 2020-03-26 | 中国铁建重工集团有限公司 | Main drive high-pressure sealing system for shield machine and slurry balance shield machine |
| RU2773342C1 (en) * | 2018-09-17 | 2022-06-02 | Чайна Рейлвэй Констракшен Хэви Индастри Корпорейшен Лимитед | High-pressure sealing system of the main drive of a tunnelling shield and slurry tunnelling shield |
| CN113863943A (en) * | 2021-10-12 | 2021-12-31 | 中建八局轨道交通建设有限公司 | Pressure maintaining method for long-time halt of slurry balance shield after matched disassembly and assembly |
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Address after: 410100 No. 88 East 7 Line, Changsha Economic and Technological Development Zone, Hunan Province Patentee after: China Railway Construction Heavy Industry Co.,Ltd. Address before: 410100 No. 88 Dongqi Road, Jingkai District, Changsha City, Hunan Province Patentee before: China Railway Construction Heavy Industry Co.,Ltd. |