CN202216781U - Soil pressure and grouting pressure sensor of shield tunneling machine - Google Patents
Soil pressure and grouting pressure sensor of shield tunneling machine Download PDFInfo
- Publication number
- CN202216781U CN202216781U CN 201120363826 CN201120363826U CN202216781U CN 202216781 U CN202216781 U CN 202216781U CN 201120363826 CN201120363826 CN 201120363826 CN 201120363826 U CN201120363826 U CN 201120363826U CN 202216781 U CN202216781 U CN 202216781U
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- force
- pressure sensor
- pressure
- grouting
- outer tube
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Abstract
The utility model discloses a soil pressure and grouting pressure sensor of a shield tunneling machine. The soil pressure and grouting pressure sensor comprises a housing 12, an outer tube 16 connected with the housing 12 and an electrical connector 21 connected with the outer tube 16, wherein a main force bearing body 11 transfers force to a force bearing element 24, the force bearing element 24 transfers the force to a second pressure detection unit 25, the second pressure detection unit 25 is connected with a second circuit board 17 through a sensor lead wire 19, the circuit board is connected with a signal output unit 10, and the signal output unit 10 is connected with the electrical connector 21 through a circuit connecting wire 20. According to the utility model, a novel pressure sensitive material is adopted to form a new circuit, and the main force bearing element, the force transfer part and a main elastic body are in rigid connection (actually connected into a whole), so that the soil pressure and grouting pressure sensor of the shield tunneling machine is good force bearing and resetting, is pollution-free and has long service life.
Description
Technical field
The utility model belongs to the sensor of measuring complex dielectrics pressure such as earth, mortar in the confined space, is specially a kind of native storehouse earth pressure in the rock tunnel(ling) machine construction, measuring equipment of grouting pressure of applying to.
Background technology
Shield machine (development machine) utilizes pressure equilibrium (medium has soil pressure, air pressure, mud hydraulic pressure) to prevent that face from caving in; Sedimentation after the anterior land subsidence of control shield machine, control are annotated synchronously pressure controlled shield machine and pass through is so soil pressure sensor, grouting pressure sensor are the basic security guarantees of shield construction.Early stage, the shield structure was mainly constructed at shaly formation, and the soil of cutting medium as balance in native storehouse mainly is a silt particle, impacted with abrasion less relatively.Along with the development of shield construction, the rock stratum of Fu Shui, sandy gravel stratum also adopts shield construction.
As shown in Figure 1; Traditional soil pressure, grouting pressure sensor are displacement backward behind main stress element 1 pressurized in the cylindrical shell 2; Pressure is passed to the liquid medium (silicone oil) 3 of power transmission, and silicone oil passes to first flexible member, 4, the first elastic elements 4 with pressure and is connected with first pressure sensing cell 5; First pressure sensing cell 5 passes to first circuit board 6 through circuit with pressure, and first circuit board 6 converts current signal output to.
The subject matter that traditional soil pressure, grouting pressure sensor run in the construction of the stratum of complicated geology is: after 1, the main stress element is being impacted, can not return to original position, sensor failure; 2, the liquid medium of power transmission is revealed, and contaminated environment causes measuring inaccurate.
Therefore, provide a kind of and can be good at stressed resetting, and do not pollute the environment, the shield machine soil pressure of long service life, grouting pressure sensor, be a urgent problem.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art; It is a kind of that the utility model provides; New soil pressure case adopts new pressure sensitive to form new circuit; The transmitting portions and the elastic body of main stress element, power are adopted rigid attachment (real is one), fundamentally solve the above two kinds of failure modes of traditional sensors.In order better to adapt to the operating mode of various complicacies; Force-summing element is adopted different cross sections with the transmitting portions of power; Both guaranteed the precision of sensor; Guarantee that again the main stress element that sensor contacts with measuring media has enough thickness, the sensor that effectively guarantees is worked in different media can both be arranged very long serviceable life.
The purpose of the utility model is achieved in that
Shield machine soil pressure, grouting pressure sensor comprise shell 12, the outer tube 16 that is connected with shell 12; And the electrical connector 21 that is connected with outer tube 16; It is characterized in that: stressed main body 11 is connected with force-summing element 24, and force-summing element 24 is connected with second pressure sensing cell 25, and second pressure sensing cell 25 connects second circuit board 17 through sensor lead 19; Circuit board 17 is connected with signal output unit 10, and signal output unit 10 connects electrical connector 21 through circuit connection 20.
Stressed main body 11 has realized rigid attachment with force-summing element 24 through the sectional area variation, and is promptly as a whole.
Described stressed main body 11 is provided with first O-ring seals 14 with the junction of shell 12;
Described shell 12 is provided with second O-ring seals 18 with the junction of outer tube 16;
Described second circuit board 17 is connected with the insulating support that is positioned at outer tube 16 15.
Positive beneficial effect: the utility model adopts new pressure sensitive to form new circuit, and transmitting portions and elastic body employing rigid attachment (real is one) with main stress element, power fundamentally solve two kinds of failure modes more than the traditional sensors.In order better to adapt to the operating mode of various complicacies; Force-summing element is adopted different cross sections with the transmitting portions of power; Both guaranteed the precision of sensor; Guarantee that again the main stress element that sensor contacts with measuring media has enough thickness, the sensor that effectively guarantees is worked in different media can both be arranged very high serviceable life.
Description of drawings
Fig. 1 is the prior art structural representation;
Fig. 2 is the structural representation of the utility model;
Among the figure be: main stress element 1; Cylindrical shell 2; Power is transmitted medium (silicone oil) 3; First flexible member 4; First pressure sensing cell 5; First circuit board 6; Signal output unit 10; Stressed main body 11; Shell 12; Casting glue 13; First O-ring seals 14; Insulating support 15; Outer tube 16; Second circuit board 17; Second O-ring seals 18; Sensor lead 19; Circuit connection 20; Electrical connector 21; Casting glue is built seal 23; Force-summing element 24; Second pressure sensing cell 25.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described:
As shown in Figure 2; Shield machine soil pressure, grouting pressure sensor comprise shell 12, the outer tube 16 that is connected with shell 12; And the electrical connector 21 that is connected with outer tube 16; It is characterized in that: stressed main body 11 passes to force-summing element 24 with power, and force-summing element 24 passes to second pressure sensing cell, 25, the second pressure sensing cells 25 with power and connects second circuit board 17 through sensor lead 19; Circuit board 17 is connected with signal output unit 10, and signal output unit 10 connects electrical connector 21 through circuit connection 20.
Stressed main body 11 has realized rigid attachment, the integral body of ascending the throne with force-summing element 24 through the sectional area variation.
Described stressed main body 11 is provided with first O-ring seals 14 with the junction of shell 12;
Described shell 12 is provided with second O-ring seals 18 with the junction of outer tube 16;
Described second circuit board 17 is connected with the insulating support that is positioned at outer tube 16 15.
The utility model adopts new pressure sensitive to form new circuit, and transmitting portions and elastic body employing rigid attachment (real is one) with main stress element, power fundamentally solve the above two kinds of failure modes of traditional sensors.In order better to adapt to the operating mode of various complicacies; Force-summing element is adopted different cross sections with the transmitting portions of power; Both guaranteed the precision of sensor; Guarantee that again the main stress element that sensor contacts with measuring media has enough thickness, the sensor that effectively guarantees is worked in different media can both be arranged very high serviceable life.
Above embodiment only is used to explain the preferred implementation of the utility model; But the utility model is not limited to above-mentioned embodiment; In the ken that said field those of ordinary skill is possessed; Any modification of being done within spirit of the utility model and the principle, be equal to and substitute and improvement etc., it all should be encompassed within the technical scheme scope that the utility model asks for protection.
Claims (6)
1. shield machine soil pressure, grouting pressure sensor; Comprise shell (12); The outer tube (16) that is connected with shell (12), and the electrical connector (21) that is connected with outer tube (16) is characterized in that: stressed main body (11) is connected with force-summing element (24); Force-summing element (24) is connected with second pressure sensing cell (25); Second pressure sensing cell (25) connects second circuit board (17) through sensor lead (19), and circuit board (17) is connected with signal output unit (10), and signal output unit (10) connects electrical connector (21) through circuit connection (20).
2. shield machine soil pressure according to claim 1, grouting pressure sensor is characterized in that: built casting glue (13) sealing between described stressed main body (11) force-summing element (24); Shell (12) is provided with the casting glue that is used to build casting glue (13) and builds seal (23).
3. shield machine soil pressure according to claim 1, grouting pressure sensor is characterized in that: stressed main body (11) has realized rigid attachment with force-summing element (24) through the sectional area variation, and is promptly as a whole.
4. shield machine soil pressure according to claim 1, grouting pressure sensor is characterized in that: described stressed main body (11) is provided with first O-ring seals (14) with the junction of shell (12).
5. shield machine soil pressure according to claim 1, grouting pressure sensor is characterized in that: described shell (12) is provided with second O-ring seals (18) with the junction of outer tube (16).
6. shield machine soil pressure according to claim 1, grouting pressure sensor is characterized in that: described second circuit board (17) is connected with the insulating support that is positioned at outer tube (16) (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120363826 CN202216781U (en) | 2011-09-27 | 2011-09-27 | Soil pressure and grouting pressure sensor of shield tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120363826 CN202216781U (en) | 2011-09-27 | 2011-09-27 | Soil pressure and grouting pressure sensor of shield tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202216781U true CN202216781U (en) | 2012-05-09 |
Family
ID=46016030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120363826 Expired - Lifetime CN202216781U (en) | 2011-09-27 | 2011-09-27 | Soil pressure and grouting pressure sensor of shield tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202216781U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359835A (en) * | 2011-09-27 | 2012-02-22 | 中铁隧道装备制造有限公司 | Soil pressure and grouting pressure sensor for shield tunnelling machine |
-
2011
- 2011-09-27 CN CN 201120363826 patent/CN202216781U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359835A (en) * | 2011-09-27 | 2012-02-22 | 中铁隧道装备制造有限公司 | Soil pressure and grouting pressure sensor for shield tunnelling machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA RAILWAY MANUFACTURING EQUIPMENT GROUP CO., L Free format text: FORMER NAME: CHINA RAILWAY TUNNELING EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 450000 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee after: China Railway Manufacturing Equipment Group Co., Ltd. Address before: 450000 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee before: China Railway Tunneling Equipment Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP TECHNOLOGY SERVICE CO., LTD. Assignor: China Railway Manufacturing Equipment Group Co., Ltd. Contract record no.: 2015410000104 Denomination of utility model: Soil pressure and grouting pressure sensor for shield tunnelling machine Granted publication date: 20120509 License type: Exclusive License Record date: 20151124 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP TECHNOLOGY SERVICE CO., LTD. Assignor: China Railway Manufacturing Equipment Group Co., Ltd. Contract record no.: 2015410000104 Date of cancellation: 20160105 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160122 Address after: 450016 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee after: CHINA RAILWAY ENGINEERING EQUIPMENT GROUP TECHNOLOGY SERVICE CO., LTD. Address before: 450000 Zhengzhou economic and Technological Development Zone, Henan, No. Sixth Street, No. 99 Patentee before: China Railway Manufacturing Equipment Group Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |