CN214200460U - Special mud pressure sensor for shield machine - Google Patents
Special mud pressure sensor for shield machine Download PDFInfo
- Publication number
- CN214200460U CN214200460U CN202023200233.6U CN202023200233U CN214200460U CN 214200460 U CN214200460 U CN 214200460U CN 202023200233 U CN202023200233 U CN 202023200233U CN 214200460 U CN214200460 U CN 214200460U
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- CN
- China
- Prior art keywords
- pressure sensor
- shell
- base
- mud pressure
- flange
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008719 thickening Effects 0.000 claims abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 7
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 7
- 239000010703 silicon Substances 0.000 claims abstract description 7
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005641 tunneling Effects 0.000 claims description 9
- 238000005266 casting Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000004382 potting Methods 0.000 description 3
- 229920002545 silicone oil Polymers 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Abstract
The utility model discloses a special mud pressure sensor of shield constructs machine, including base, pressure sensor, thickening diaphragm, seal gasket, silicon oil and shell, the lower extreme of shell is equipped with the opening, seal gasket installs the lower extreme opening part of shell, thickening diaphragm connects the lower extreme of base, pressure sensor installs on the base, be provided with the intercommunication in the base pressure sensor with the filling of thickening diaphragm has the inner chamber of silicon oil, just the pedestal mounting is in the shell, the outside of thickening diaphragm corresponds ground butt seal gasket. The mud pressure sensor special for the shield machine is firm and compact in structure, can accurately measure the mud pressure, can resist the abrasion generated by mud, and is good in use value.
Description
Technical Field
The utility model relates to a sensor technical field especially relates to a special mud pressure sensor of shield structure machine.
Background
The shield machine is a tunnel boring machine using a shield method, the modern shield boring machine integrates light, mechanical, electrical, hydraulic, sensing and information technologies, and relates to multiple subject technologies such as geology, civil engineering, machinery, mechanics, hydraulic pressure, electrical, control and measurement, the reliability requirement is extremely high, the muddy water type shield machine stabilizes an excavation surface by pressurizing muddy water or mud (usually bentonite suspension), if the mud pressure is insufficient, the excavation efficiency is low, the numerical degree is slow, the cutter head loss is increased, the shield body is pressed, and the like, and if the mud pressure is overhigh, the ground is raised, so the shield machine needs to use a sensor for measuring the mud to measure the mud pressure, while the common mud pressure sensor can accurately measure the pressure but cannot bear the abrasion of the sensor, particularly the pressure sensing part, caused by the mud in the underground by the shield machine, the existing pressure sensor has a plurality of principles, is required to be wear-resistant, cannot measure high-precision small-range pressure and is inconvenient.
SUMMERY OF THE UTILITY MODEL
The utility model aims at: the special mud pressure sensor for the shield machine can accurately measure pressure and bear the abrasion of underground mud to the mud pressure sensor.
In order to solve the technical problem, the utility model provides a special mud pressure sensor of shield structure machine.
The utility model provides a special mud pressure sensor of shield constructs machine, includes base, pressure sensor, thickening diaphragm, seal gasket, silicon oil and shell, the lower extreme of shell is equipped with the opening, seal gasket installs the lower extreme opening part of shell, the thickening diaphragm is connected the lower extreme of base, pressure sensor installs on the base, be provided with the intercommunication in the base pressure sensor with the filling of thickening diaphragm has the inner chamber of silicon oil, just the pedestal mounting is in the shell, the outside of thickening diaphragm corresponds ground butt seal gasket.
As the utility model discloses a preferred scheme, the special mud pressure sensor of shield constructs machine still includes temperature sensor, temperature sensor installs in a recess on the base.
As the utility model discloses a preferred scheme, the special mud pressure sensor of shield constructs machine still includes the circuit board, the circuit board is installed pressure sensor's top, the circuit board is connected with the wire electricity pressure sensor.
As the preferred scheme of the utility model, still be provided with the casting glue in the shell, the casting glue is located the upper end of base.
As the utility model discloses a preferred scheme, the shell includes upper tube shell, lower tube shell and flange, the lower extreme of upper tube shell with the upper end of lower tube shell is connected, the flange with the upper end of upper tube shell is connected, seal gasket installs the lower extreme mouth of pipe department of lower tube shell, the pedestal mounting is in the lower tube shell.
As the utility model discloses a preferred scheme, the shell still includes the plug connector, the flange be provided with extend to through-hole in the last tube, the plug connector is installed with dismantling on the through-hole of flange.
As the preferred scheme of the utility model, go up the tube and be provided with internal thread and external screw thread respectively with low tube shell, moreover go up and still be provided with the sealing washer between tube and the low tube shell.
As the utility model discloses a preferred scheme, the downside of flange is provided with the matching go up the ring channel of tube, go up the tube the upper end with the ring channel inner wall threaded connection of flange.
The embodiment of the utility model provides a shield constructs special mud pressure sensor of machine compares with prior art, and its beneficial effect lies in: the device has firm and compact structure, can accurately measure the pressure of the slurry, can resist the abrasion generated by the slurry, and has good use value.
Drawings
Fig. 1 is a sectional view of an installation structure according to an embodiment of the present invention;
in the figure, 1, a base; 2. the pressure sensor, 3, thicken the diaphragm, 4, seal gasket; 5. a silicone oil; 6. a temperature sensor; 7. a circuit board; 8. pouring a sealant; 91. a pipe shell is arranged; 92. an upper pipe shell; 93. a flange; 94. and (7) a plug connector.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are used in a generic sense, e.g., fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be further understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the machine or component in question must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
Referring to fig. 1, the mud pressure sensor specially used for the shield machine according to the preferred embodiment of the present invention comprises a base 1, a pressure sensor 2, a thickened diaphragm 3, a sealing gasket 4, silicone oil 5 and a housing, wherein the lower end of the housing is provided with an opening, the sealing gasket 4 is installed at the lower end opening of the housing, the thickened diaphragm 3 is connected at the lower end of the base 1, the pressure sensor 2 is installed on the base 1, the base 1 is internally provided with an inner cavity for communicating the pressure sensor 2 with the thickened diaphragm 3 and filled with the silicone oil 5, the base 1 is installed in the housing, the outer side of the thickened diaphragm 3 is correspondingly abutted against the sealing gasket 4, the sealing gasket 4 is arranged at the outer side of the lower end opening of the housing to protect the thickened diaphragm 3 from being directly contacted with mud, and meanwhile, the thickened diaphragm 3 is thicker than the common diaphragm of the conventional pressure sensor, the mud is at the lower extreme opening part of shell to the production pressure of seal gasket 4 to let thickening diaphragm 3 when receiving the effect of mud pressure, thickening diaphragm 3 passes through silicon oil 5 with pressure transfer to pressure sensor 2 is last, thereby surveys and measure mud pressure accurately, can stand the wearing and tearing of mud to shell and seal gasket 4 simultaneously, thereby can let the shield structure machine high-efficiently, accurately operate, base 1 can respectively with shell, pressure sensor 2 and thickening diaphragm 3 welded connection in addition.
Referring to fig. 1, exemplarily, the slurry pressure sensor specially used for the shield tunneling machine further includes a temperature sensor 6, the temperature sensor 6 is installed in a groove on the base 1, the temperature sensor 6 extends upwards to a connector at the upper end of the housing through a wire or penetrates out of the housing to be connected, so as to detect a temperature value through the temperature sensor 6 and output a temperature signal.
Referring to fig. 1, exemplarily, the special mud pressure sensor for the shield tunneling machine further includes a circuit board 7, the circuit board 7 is installed above the pressure sensor 2, the circuit board 7 is electrically connected to the pressure sensor 2 through a wire, the circuit board 7 also extends to the upper end connector of the housing through a wire or penetrates out of the housing for connection, the pressure value of the pressure sensor 2 passes through the circuit board 7 is processed into an electric signal, and the electric signal can be directly output.
Referring to fig. 1, exemplarily, a potting adhesive 8 is further disposed in the housing, the potting adhesive 8 is located at the upper end of the base 1, the base 1 and the pressure sensor 2 can be plugged by the potting adhesive 8, the temperature sensor 6 and the circuit board 7 can also be fixed, and a good buffering and shock-resistant effect is provided.
Referring to fig. 1, exemplarily, the housing includes an upper tube shell 92, a lower tube shell 91 and a flange 93, a lower end of the upper tube shell 92 is connected to an upper end of the lower tube shell 91, the flange 93 is connected to an upper end of the upper tube shell 92, the sealing gasket 4 is installed at a lower end pipe orifice of the lower tube shell 91, the base 1 is installed in the lower tube shell 91, the thickened diaphragm 3 and the pressure sensor 2 can be installed on the base 1 first during assembly, then the sealing gasket 4 and the base 1 are installed in the lower tube shell 91 respectively, and then the upper tube shell 92, the lower tube shell 91 and the flange 93 are assembled into the housing to form a sensor whole, so that the processing difficulty of the base 1 in installation in the tube body is greatly reduced, and the housing can be conveniently installed on the shield machine through the structure of the flange 93.
Referring to fig. 1, exemplarily, the housing further includes a plug connector 94, the flange 93 is provided with a through hole extending into the upper case 92, the plug connector 94 is detachably installed on the through hole of the flange 93, the plug connector 94 is further provided with a vent hole, the plug connector 94 has a four-core plug and is connected with the circuit board 7 and the temperature sensor 6 through a wire in the housing, the wire of the circuit board 7 and the temperature sensor 6 is firstly connected with the plug connector 94 during assembly, the wire is plugged into the housing and then the plug connector 94 is installed on the flange 93 to cover the through hole thereof, the plug connector 94 is connected through the four-core plug during installation and use, and the through holes of the plug connector 94 and the flange 93 can be connected through threads.
Referring to fig. 1, for example, the upper pipe shell 92 and the lower pipe shell 91 are respectively provided with an internal thread and an external thread, and a sealing ring is further disposed between the upper pipe shell 92 and the lower pipe shell 91, as shown in the figure, the lower inner wall of the upper pipe shell 92 is provided with the internal thread, and the upper outer wall of the lower pipe shell 91 is provided with the external thread, so that the lower end of the upper pipe shell 92 is sleeved on the upper end of the lower pipe shell 91 and is in threaded connection, the installation operation is convenient, and the pouring sealant 8 extends to form a convex edge which is in sealed abutting connection between the upper pipe shell 92 and the lower pipe shell 92, and the sealing effect is further improved.
Referring to fig. 1, for example, an annular groove matching the upper pipe case 92 is formed in the lower side of the flange 93, and the upper end of the upper pipe case 92 is in threaded connection with the inner wall of the annular groove of the flange 93, so that the assembly and disassembly operations are convenient, and the sealing effect is good.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a special mud pressure sensor of shield structure machine which characterized in that: including base, pressure sensor, thickening diaphragm, seal gasket, silicon oil and shell, the lower extreme of shell is equipped with the opening, seal gasket installs the lower extreme opening part of shell, thickening diaphragm connects the lower extreme of base, pressure sensor installs on the base, be provided with the intercommunication in the base pressure sensor with the filling of thickening diaphragm has the inner chamber of silicon oil, just the pedestal mounting is in the shell, the outside of thickening diaphragm corresponds ground butt seal gasket.
2. The special mud pressure sensor for the shield tunneling machine according to claim 1, wherein: the temperature sensor is arranged in a groove on the base.
3. The special mud pressure sensor for the shield tunneling machine according to claim 1, wherein: the pressure sensor is characterized by further comprising a circuit board, wherein the circuit board is arranged above the pressure sensor and is electrically connected with the pressure sensor through a lead.
4. The special mud pressure sensor for the shield tunneling machine according to claim 1, wherein: still be provided with the casting glue in the shell, the casting glue is located the upper end of base.
5. The mud pressure sensor special for the shield tunneling machine according to any one of claims 1 to 4, wherein: the shell comprises an upper tube shell, a lower tube shell and a flange, the lower end of the upper tube shell is connected with the upper end of the lower tube shell, the flange is connected with the upper end of the upper tube shell, the sealing gasket is installed at the lower end pipe orifice of the lower tube shell, and the base is installed in the lower tube shell.
6. The special mud pressure sensor for the shield tunneling machine according to claim 5, wherein: the shell further comprises a plug connector, the flange is provided with a through hole extending into the upper tube shell, and the plug connector is detachably mounted on the through hole of the flange.
7. The special mud pressure sensor for the shield tunneling machine according to claim 5, wherein: the upper pipe shell and the lower pipe shell are respectively provided with internal threads and external threads, and a sealing ring is further arranged between the upper pipe shell and the lower pipe shell.
8. The special mud pressure sensor for the shield tunneling machine according to claim 5, wherein: the lower side of the flange is provided with an annular groove matched with the upper pipe shell, and the upper end of the upper pipe shell is in threaded connection with the inner wall of the annular groove of the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200233.6U CN214200460U (en) | 2020-12-25 | 2020-12-25 | Special mud pressure sensor for shield machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023200233.6U CN214200460U (en) | 2020-12-25 | 2020-12-25 | Special mud pressure sensor for shield machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214200460U true CN214200460U (en) | 2021-09-14 |
Family
ID=77657362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023200233.6U Active CN214200460U (en) | 2020-12-25 | 2020-12-25 | Special mud pressure sensor for shield machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214200460U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324060A (en) * | 2022-01-13 | 2022-04-12 | 中铁四局集团第二工程有限公司 | Mud hydrometer for cast-in-situ bored pile |
-
2020
- 2020-12-25 CN CN202023200233.6U patent/CN214200460U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114324060A (en) * | 2022-01-13 | 2022-04-12 | 中铁四局集团第二工程有限公司 | Mud hydrometer for cast-in-situ bored pile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240408 Address after: 200000 3rd floor, No.1 Lane 127, Guotai Road, Yangpu District, Shanghai Patentee after: Shanghai Endless Sensor Co.,Ltd. Country or region after: China Address before: 529000 3rd floor, building 3, No. 11, Dongmu Road, Jianghai District, Jiangmen City, Guangdong Province Patentee before: Guangdong Sikai Industrial Automation Technology Co.,Ltd. Country or region before: China |