CN214251370U - Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor - Google Patents
Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor Download PDFInfo
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- CN214251370U CN214251370U CN202023089011.1U CN202023089011U CN214251370U CN 214251370 U CN214251370 U CN 214251370U CN 202023089011 U CN202023089011 U CN 202023089011U CN 214251370 U CN214251370 U CN 214251370U
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- air bag
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Abstract
The utility model discloses a detection device of a disassembly-free shield machine soil pressure sensor, which comprises a sealing sleeve, wherein the sealing sleeve is connected with a soil pressure sensor mounting seat positioned on the shield machine; a sealing air bag is arranged in the sealing sleeve, the sealing air bag is filled with air, an inflation inlet is arranged on the sealing air bag, and the inflation inlet penetrates through the sealing sleeve and is connected with an air compression mechanism through a pipeline; the pipeline is provided with a gas pressure gauge, a gas pressure reducing valve and a stop valve. The utility model provides a fine completion detection operation under the prerequisite of not dismantling the shield structure machine soil pressure sensor, solved the actual engineering operation, because of the time cost and the economic benefits problem of soil pressure sensor's examination of tearing open and influence.
Description
Technical Field
The utility model relates to a shield constructs quick-witted technical field, concretely relates to exempt from to tear open shield and construct detection device of quick-witted soil pressure sensor.
Background
The shield machine is a large comprehensive construction machine integrating mechanical, hydraulic, electrical and automatic control, and is widely applied to urban subway tunnel construction. The earth pressure sensor of the earth pressure balance shield machine is used for detecting the pressure value of an earth bin in real time, shield machine operators adopt corresponding measures to adjust the pressure of the earth bin according to data fed back by the earth pressure sensor until the pressure reaches a set range, so that earth pressure balance is realized, earth surface settlement is effectively controlled, and earth pressure judgment is more difficult if the phenomena of large fluctuation of output data of individual earth pressure sensors or irregular data change and the like occur in construction. After the shield machine finishes the tunneling task of each mark section, the soil pressure sensor must be checked, and the pressure display is accurate. In the past, the earth pressure sensor must be disassembled from the shield body and then sent to a special detection instrument for inspection, and the detection result is not problematic and then is installed on the shield body again. Although the detection method can complete the verification of the soil pressure sensor, the soil pressure sensor needs to be disassembled and installed, the secondary disassembling and assembling process can cause certain influence on the sealing performance of the soil pressure sensor, the time span of delivery inspection is large, the original soil pressure sensor is an inlet piece, if the delivery inspection has problems, the purchase is needed again, the time period of purchase is increased, and therefore the tunneling task of the next mark section of the shield machine can be influenced.
SUMMERY OF THE UTILITY MODEL
The not enough to prior art, the utility model aims at providing an exempt from to tear open shield structure machine soil pressure sensor's detection device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a detection apparatus for exempt from to tear open shield structure machine soil pressure sensor for to installing the soil pressure sensor who constructs on the machine and detect, detection apparatus includes: the sealing sleeve is connected with an earth pressure sensor mounting seat on the shield tunneling machine;
a sealing air bag is arranged in the sealing sleeve, an inflation inlet is arranged on the sealing air bag, and the inflation inlet penetrates through the sealing sleeve and is connected with an air compression mechanism through a pipeline;
the pipeline is provided with a gas pressure gauge, a gas pressure reducing valve and a stop valve, the gas pressure gauge is used for reading the real-time pressure value of the detection device, the gas pressure reducing valve is used for adjusting the set pressure of the disassembly-free device in advance, and the stop valve is used for controlling the conduction and the stop of gas in the pipeline.
Further, sealed sleeve one end is equipped with the flange board, be equipped with the bolt hole on the flange board, the flange board pass through the bolt with the soil pressure sensor mount pad is connected, sealed sleeve with the surface of soil pressure sensor and soil pressure sensor mount pad forms sealed gasbag's closed work space, sealed sleeve is kept away from the one end of flange board is equipped with the aperture, sealed gasbag the inflation inlet is followed the aperture exposes.
Further, the sealed air bag is filled with gas, and the sealed air bag is in pressing contact with the working surface of the soil pressure sensor and the inner wall of the sealing sleeve through the filled gas;
further, the air compression mechanism is an air cylinder, and the air cylinder is used for compressing air to pressurize the sealed air bag through the pipeline.
Furthermore, one end of the soil pressure sensor, which is far away from the detection device, is connected with a simple detection circuit, and a power supply and an ammeter are connected in series on the simple detection circuit.
The beneficial effects of the utility model reside in that:
this exempt from to tear open shield structure machine soil pressure sensor's detection device simple structure, convenient operation can install detection device on the shield structure machine under the state that does not need to dismantle soil pressure sensor, directly simulate soil pressure effect and carry out soil pressure sensor detection work, really reflect soil pressure sensor operating condition, be convenient for directly perceivedly read signal of telecommunication data, detect accurate, the reliability is high, has solved the problem that needs to dismantle soil pressure sensor and send for inspection again.
Drawings
FIG. 1 is a schematic structural view of the present invention;
figure 2 the installation of the present invention is schematically illustrated.
Reference numerals:
1. sealing the air bag; 2. a sealing sleeve; 3. a gas pressure gauge; 4. a gas pressure reducing valve; 5. a stop valve; 6, an air cylinder; 7. an inflation inlet; 8. a pipeline; 9. a soil pressure sensor; 10. soil pressure sensor mount pad.
Detailed Description
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 2, an earth pressure sensor 9 and an earth pressure sensor mounting seat 10 are arranged in a shield machine, the earth pressure sensor 9 is fixed on the earth pressure sensor mounting seat 10 through screws, the earth pressure sensor mounting seat 10 is fixed around the earth pressure sensor 9, and an earth bin partition is fixed around the earth pressure sensor mounting seat 10. One end of the soil pressure sensor 9, which is far away from the detection device, is connected with a simple detection circuit, and a power supply and an ammeter are connected in series on the simple detection circuit. The soil pressure sensor 9 is used for detecting the pressure value of the soil bin in real time, and shield machine operators adopt corresponding measures to adjust the pressure of the soil bin according to data fed back by the soil pressure sensor until the pressure reaches a set range, so that soil pressure balance can be realized, the ground surface settlement is effectively controlled, and soil pressure judgment is more difficult if the output data fluctuation of individual soil pressure sensors is large or data change is frequent and the like in construction. The shield constructs the machine and must use after the tunnelling task of every mark section of accomplishing the utility model provides a pair of exempt from to tear open shield and construct detection device of machine soil pressure sensor and carry out the check-up to soil pressure sensor, guarantee that pressure display is accurate.
As shown in fig. 1, the utility model provides a pair of exempt from to tear open shield structure machine soil pressure sensor's detection device for to installing soil pressure sensor 9 on the shield structure machine and detecting, detection device includes: the sealing sleeve 2 is connected with an earth pressure sensor mounting seat 10 on the shield tunneling machine; the sealed air bag 1 is arranged in the sealed sleeve 2, an inflation inlet 7 is arranged on the sealed air bag 1, and the inflation inlet 7 penetrates through the sealed sleeve 2 and is connected with an air compression mechanism 6 through a pipeline 8; be provided with gas pressure table 3, gas relief pressure valve 4, stop valve 5 on the pipeline 8, gas pressure table 3 is used for reading detection device's real-time pressure value size, and gas relief pressure valve 4 is used for adjusting the settlement pressure of exempting from to tear open the device in advance, and stop valve 5 is used for switching on and ending of the interior gas of control pipeline 8.
The sealed air bag 1 is used for simulating the pressure of the soil bin, the sealed air bag 1 is filled with gas, and the sealed air bag 1 is in extrusion contact with the working surface of the soil pressure sensor 9 and the inner wall of the sealing sleeve 2 through the filled gas. Through aerifing sealed gasbag 1, can form the effect of simulation soil storehouse pressure in sealed sleeve 2, this analog pressure can extrude soil pressure sensor 9's working face, then shows the current value or directly utilize the shield structure machine operation screen to show the pressure reading through the simple and easy detection circuitry of soil pressure sensor 9 rear end. And then the reading of the gas pressure gauge of the detection device is compared with the current value or the pressure reading, so that the aim of checking can be fulfilled without disassembling the soil pressure sensor.
The sealing air bag 1 is placed in the sealing sleeve 2 in an uninflated state, an inflation inlet 7 of the sealing air bag 1 penetrates through a small round hole in the back of the sealing sleeve 2 and is exposed at the outer end, the sealing air bag 1 is inflated through a pipeline 8 by an air compression mechanism, the inflated sealing air bag 1 simultaneously acts on the inner wall of the sealing sleeve 2 and the working surface of the soil pressure sensor 9 on the soil bin wall, and the effect similar to soil pressure is formed by extruding the working surface of the soil pressure sensor 9 on the soil bin wall.
The one end of sealing sleeve 2 is equipped with the flange board, is equipped with the bolt hole on the flange board, and the flange board passes through the bolt to be connected with soil pressure sensor mount pad 10, and sealing sleeve 2 forms sealed gasbag 1's closed work space with the surface of soil pressure sensor 9 and soil pressure sensor mount pad 10, and the one end that sealing sleeve 2 kept away from the flange board is equipped with the aperture, and the inflation inlet 7 of sealing gasbag 1 exposes from the aperture. The sealed air bag 1 after air filling can be filled in the whole sealed sleeve 2, because the inner space of the sealed sleeve 2 is unchanged, the pressure can be controlled by the air filling amount, and the pressure value in the sealed air bag 1 can be adjusted.
The air compression mechanism, the gas pressure gauge 3, the gas pressure reducing valve 4 and the stop valve 5 are connected together through a pipeline 8, and then the pipeline 8 is connected with the inflating port 8 of the sealed air bag 1, so that the sealed air bag 1 can be pressurized. The air compressing mechanism is an air cylinder 6, and the air cylinder 6 is used for compressing air and pressurizing the sealed air bag 1 through a pipeline 8. The gas cylinder 6 can be manually pressurized by the gas cylinder 6 under the condition of lacking a compressed gas source, so that the compressed gas source is ensured to be available under the condition of limited working conditions; the gas pressure gauge 3 is arranged on the pipeline 8 and used for reading the real-time pressure value; the gas pressure reducing valve 4 is arranged on the pipeline 8 and used for adjusting the set pressure in advance, and when the pressure of the sealed air bag 1 reaches the required pressure, the pressure can not rise any more; a shut-off valve 5 is mounted on the conduit 8 for conducting and shutting off gas in the conduit 8 to the sealed envelope 1, thereby controlling the pressure of the sealed envelope 1. When the pressure in the sealed air bag 1 reaches the required pressure, the stop valve is closed, and the pressure in the sealed air bag 1 is locked.
The working method of the detection device for the soil pressure sensor of the shield tunneling machine provided by the embodiment comprises the following steps:
s01: the soil pressure sensor detection device of the embodiment is arranged on a soil pressure sensor mounting seat 10 of a shield machine;
s02: starting the gas pressure reducing valve 4, and adjusting the set pressure in advance;
s03: opening the stop valve 5, and pressing the sealed air bag 1 through an air compression mechanism;
s04: when the pressure value of the sealed air bag 1 reaches the set pressure, the cut-off 5 is closed;
s05: checking whether the pressure value displayed by the gas pressure gauge 3 reaches the required pressure value;
s06: a simple detection circuit for detecting the rear end of the soil pressure sensor 9 displays a current value or directly displays a pressure reading by using an operation screen of the shield machine.
S07: and (4) comparing the reading of the gas pressure gauge 3 in the step (S05) with the current value or the pressure reading in the step (S06) to check the soil pressure sensor, so that the aim of detecting without disassembling the soil pressure sensor 9 is fulfilled.
S08: and after the detection work of the soil pressure sensor 9 is finished, the detection device is detached.
The utility model has the advantages that: the utility model provides a pair of exempt from to tear open shield structure machine soil pressure sensor's detection device simple structure, convenient operation can install detection device on the shield structure machine under the state that does not need to dismantle soil pressure sensor, directly simulate soil pressure effect and carry out soil pressure sensor detection work, really reflect soil pressure sensor operating condition, be convenient for read signal of telecommunication data directly perceived, detect accurate, the reliability is high, have solved the problem that needs dismantle soil pressure sensor and send for inspection again.
In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a detection apparatus for exempt from to tear open shield structure machine soil pressure sensor for to installing soil pressure sensor (9) on the shield structure machine and detect, its characterized in that, detection apparatus includes: the sealing sleeve (2), the sealing sleeve (2) is connected with an earth pressure sensor mounting seat (10) on the shield machine;
a sealing air bag (1) is arranged in the sealing sleeve (2), an inflation inlet (7) is arranged on the sealing air bag (1), and the inflation inlet (7) penetrates through the sealing sleeve (2) and is connected with an air compression mechanism through a pipeline (8);
be provided with gas pressure table (3), gas relief pressure valve (4), stop valve (5) on pipeline (8), gas pressure table (3) are used for reading detection device's real-time pressure value size, gas relief pressure valve (4) are used for adjusting the settlement pressure of exempting from to tear open the device in advance, stop valve (5) are used for controlling gaseous switching on and ending in pipeline (8).
2. The detection device of the disassembly-free shield tunneling machine soil pressure sensor according to claim 1, wherein: sealed sleeve (2) one end is equipped with the flange board, be equipped with the bolt hole on the flange board, the flange board pass through the bolt with soil pressure sensor mount pad (10) are connected, sealed sleeve (2) with the working face of soil pressure sensor (9) and the surface formation of soil pressure sensor mount pad (10) the closed work space of sealed gasbag (1), sealed sleeve (2) are kept away from the one end of flange board is equipped with the aperture, sealed gasbag (1) inflation inlet (7) are followed the aperture exposes.
3. The detection device of the disassembly-free shield tunneling machine soil pressure sensor according to claim 1, wherein: the sealing air bag (1) is filled with gas, and the sealing air bag (1) is in extrusion contact with the working surface of the soil pressure sensor (9) and the inner wall of the sealing sleeve (2) through the filled gas.
4. The detection device of the disassembly-free shield tunneling machine soil pressure sensor according to claim 1, wherein: the air compression mechanism is an air cylinder (6), the air cylinder (6) is used for compressing air, and the sealing air bag (1) is pressurized through the pipeline (8).
5. The detection device of the disassembly-free shield tunneling machine soil pressure sensor according to claim 1, wherein: one end, far away from the detection device, of the soil pressure sensor (9) is connected with a simple detection circuit, and a power supply and an ammeter are connected to the simple detection circuit in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089011.1U CN214251370U (en) | 2020-12-18 | 2020-12-18 | Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023089011.1U CN214251370U (en) | 2020-12-18 | 2020-12-18 | Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor |
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| Publication Number | Publication Date |
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| CN214251370U true CN214251370U (en) | 2021-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023089011.1U Active CN214251370U (en) | 2020-12-18 | 2020-12-18 | Detection apparatus for exempt from to tear open shield structure machine soil pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922633A (en) * | 2022-05-25 | 2022-08-19 | 中建交通建设集团有限公司 | Soil pressure detection device for shield tunneling machine and using method thereof |
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2020
- 2020-12-18 CN CN202023089011.1U patent/CN214251370U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922633A (en) * | 2022-05-25 | 2022-08-19 | 中建交通建设集团有限公司 | Soil pressure detection device for shield tunneling machine and using method thereof |
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