CN216410149U - Underground pipeline connects department with deformation detection structure - Google Patents
Underground pipeline connects department with deformation detection structure Download PDFInfo
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- CN216410149U CN216410149U CN202122819602.8U CN202122819602U CN216410149U CN 216410149 U CN216410149 U CN 216410149U CN 202122819602 U CN202122819602 U CN 202122819602U CN 216410149 U CN216410149 U CN 216410149U
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Abstract
The utility model discloses a deformation detection structure for an underground pipeline joint, which comprises a connecting assembly, a strain gauge mounting assembly and a plurality of strain gauges, wherein the connecting assembly comprises two arc-shaped hoop plates symmetrically arranged on two sides of an underground pipeline, and the arc-shaped hoop plates are arranged at the joint of the underground pipeline. According to the utility model, the deformation and stress conditions of the underground pipeline joint can be better monitored by arranging the strain gauges in two directions, qualitative analysis is further carried out according to the change of data in one time, and corresponding processing is carried out according to the analysis result, so that the problem that gas inside the pipeline leaks due to cracks at the pipeline joint caused by deformation and overlarge deformation of the underground pipeline when the shield passes through the underground pipeline joint is avoided, meanwhile, the construction progress is also ensured, and the method is worthy of popularization and use.
Description
Technical Field
The utility model relates to the technical field of tunnel construction, in particular to a deformation detection structure for an underground pipeline joint.
Background
The tunnel excavation changes the rock-soil environment of the surrounding stratum, thereby influencing the original balance state of the underground pipelines around the tunnel, and changing the stress form of the underground pipelines to a great extent. When the deformation of the underground pipeline exceeds a certain limit, the pipeline strength or the structure is damaged and cannot be used, so that the urban production and the daily life of residents are seriously influenced.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: how to solve the problem that the deformation of the underground pipeline caused when the shield passes through the joint of the underground pipeline and the crack at the joint of the pipeline caused by overlarge deformation cause the gas leakage in the pipeline, and provides a deformation detection structure for the joint of the underground pipeline.
The utility model solves the technical problems through the following technical scheme, and the strain gauge comprises a connecting assembly, a strain gauge mounting assembly and a plurality of strain gauges, wherein the connecting assembly comprises two arc hoop plates which are symmetrically arranged, the arc hoop plates are arranged at the joint of an underground pipeline, the strain gauge mounting assembly comprises two side plates which are symmetrically arranged and a filling block between the two side plates, the side plates are correspondingly connected with the arc hoop plates, the filling block is detachably connected with the two ends of the two side plates respectively, the plurality of strain gauges are divided into two groups which are respectively a first strain gauge group and a second strain gauge group, each group is provided with a plurality of strain gauges, and the first strain gauge group and the second strain gauge group are respectively arranged inside the side plates and the filling block along the axial direction of the underground pipeline.
Preferably, the tunneling axis and the axis of the underground pipeline are parallel to each other in a straight line during shield, and an included angle exists between the plane where the tunneling axis and the axis of the underground pipeline are located and the vertical direction.
Preferably, the first strain gauge group is arranged on a plane where the tunneling axis and the underground pipeline axis are located, and the second strain gauge group is arranged on a plane which passes through the underground pipeline axis and is perpendicular to the plane where the tunneling axis and the underground pipeline axis are located.
Preferably, the side plates, the filling blocks and the arc hoop plates are all elastic pieces.
Preferably, the deformation detection structure further comprises a buffer protection assembly, the buffer protection assembly comprises a buffer plate and a spring array, the spring array comprises a plurality of spring columns, one ends of the spring columns are connected with the side plates, and the other ends of the spring columns are connected with the buffer plate.
Preferably, the plurality of spring posts are arranged parallel to each other and to the plane in which the tunnelling axis and the underground pipeline axis lie.
Preferably, the both sides of filling block all are provided with T shape sand grip, all be provided with on the both ends of curb plate with T shape sand grip assorted T shape recess, the filling block pass through T shape sand grip, T shape recess with the curb plate is realized dismantling the connection.
Preferably, the two sides of the arc-shaped hoop plate are provided with connecting strips, and the two arc-shaped hoop plates are connected through the connecting strips.
Preferably, the inner surface of the arc hoop plate is provided with an anti-slip layer.
Preferably, the deformation detection structure further comprises a main control box, wherein the main control box is arranged in a soil body above the underground pipeline and is in communication connection with each strain gauge through a communication line.
Compared with the prior art, the utility model has the following advantages: through a plurality of ascending foil gages in two directions that set up, can monitor the deformation and the atress condition of pipeline joint department better, and then carry out qualitative analysis according to the change of data in an end time, carry out corresponding processing according to the analysis result, avoid the shield to pass through the pipeline joint department when the underground pipeline that causes warp and warp too big the problem that the pipeline joint department appears the crack and leads to pipeline inside gas to reveal, also guaranteed the construction progress simultaneously, be worth using widely.
Drawings
FIG. 1 is a schematic radial cross-sectional view of a deformation sensing structure of the present invention;
fig. 2 is a cross-sectional view taken at a-a in fig. 1.
Detailed Description
The following examples are given for the detailed implementation and specific operation of the present invention, but the scope of the present invention is not limited to the following examples.
As shown in fig. 1 and 2, the present embodiment provides a technical solution: the utility model provides an underground pipeline connects department with deformation detection structure, includes coupling assembling, foil gage installation component, a plurality of foil gage, coupling assembling includes the arc hoop board 21 that two symmetries set up, arc hoop board 21 sets up the joint department at underground pipeline 6 for play the effect of the deformation power of transmission underground pipeline joint department and connection foil gage installation component position, foil gage installation component includes curb plate 31, two that two symmetries set up filling block 32 between the curb plate 31, curb plate 31 with arc hoop board 21 one-to-one is connected, adopts the connected mode of powerful cementing between the two, filling block 32 can be dismantled with the both ends of two curb plates 31 respectively and be connected, and a plurality of foil gages divide into two sets ofly, are first foil gage group 41, second foil gage group 42 respectively, and every group has a plurality ofly, first foil gage group 41, second foil gage group 42 set respectively along underground pipeline 6 axial setting curb plate 31, Inside the filling block 32, deformation and stress information of a plurality of positions at the joint of the underground pipeline 6 can be collected.
In the embodiment, the tunneling axis and the axis of the underground pipeline 6 are in parallel with each other in a straight line during shield tunneling, and the included angle between the plane where the tunneling axis and the axis of the underground pipeline 6 are located and the vertical direction is 45-60 degrees.
In this embodiment, the first strain gauge group 41 is disposed on a plane where the tunneling axis and the axis of the underground pipeline 6 are located, and the second strain gauge group 42 is disposed on a plane which passes through the axis of the underground pipeline 6 and is perpendicular to the plane where the tunneling axis and the axis of the underground pipeline 6 are located, so as to better monitor deformation at the joint of the underground pipeline 6 from two directions.
In this embodiment, the side plates 31, the filling blocks 32 and the arc-shaped hoop plates 21 have certain elastic deformation capacity, so that the deformation force can be better transmitted.
In this embodiment, the deformation detection structure still includes buffering protection component, buffering protection component includes buffer board 51, spring array 52 includes a plurality of spring posts, the one end of spring post is connected curb plate 31 surface, and the other end is connected the inboard surface of buffer board 51 plays the buffering guard action to subassemblies such as curb plate 31, arc hoop board 21 when the shield structure is tunneled.
In this embodiment, the plurality of spring posts are arranged in parallel with each other and with the plane where the tunneling axis and the axis of the underground pipeline 6 are located, so as to play a better role in buffering.
In the present embodiment, the filling block 32 not only serves to mount the strain gauge, but also serves to cushion and protect the arc-shaped hoop plate 21 and other components in the other direction.
In this embodiment, the both sides of filling block 32 all are provided with T shape sand grip 321, all be provided with on the both ends of curb plate 31 with T shape sand grip 321 assorted T shape recess, filling block 32 through T shape sand grip 321, T shape recess with curb plate 31 realizes dismantling the connection.
In this embodiment, the two sides of the arc-shaped hoop plate 21 are provided with the connection strip 211, the connection strip 211 is provided with a plurality of insertion holes, a plurality of positioning bolts are inserted into the insertion holes, and the two arc-shaped hoop plates 21 are installed outside the underground pipeline 6.
In this embodiment, the inner surface of the arc-shaped hoop plate 21 is provided with an anti-slip layer for greatly increasing the static friction force with the outer surface of the underground pipeline 6 and ensuring the position stability of the whole deformation detection structure.
In this embodiment, the deformation detection structure further comprises a main control box, wherein the main control box is arranged in a soil body above the underground pipeline 6, is in communication connection with each strain gauge through a communication line, is in communication connection with an external control center through a built-in wireless communication module, and transmits acquired strain data to the control center in real time for a manager to check and process.
In this embodiment, the embedding work of each component of the deformation detecting structure is performed by manual excavation.
The working principle is as follows: before using, install each foil gage earlier in curb plate 31, in the filling block 32, when using, carry out artifical excavation with pipeline 6's the joint department top soil body, excavate the near soil body of pipeline 6's joint department again, with arc hoop 21, curb plate 31 etc. install in pipeline 6's joint department outside, install the main control box in the soil body of pipeline 6 top again, carry out communication connection through communication line and each foil gage, and carry out communication connection through wherein built-in wireless communication module and external control center, transmit the strain data who gathers to control center in real time, supply managers to look over the processing, and is comparatively practical.
In conclusion, the deformation detection structure for the underground pipeline joint can better monitor deformation and stress conditions of the underground pipeline joint through the plurality of strain gauges in the two directions, further perform qualitative analysis according to the change of data in one end time, perform corresponding processing according to an analysis result, avoid the problem that the deformation and deformation of the underground pipeline caused when the shield penetrates through the underground pipeline joint cause the crack at the pipeline joint to cause the leakage of gas inside the pipeline, simultaneously ensure the construction progress, and is worthy of being popularized and used.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. The utility model provides a pipeline connects department detects structure with deformation which characterized in that: including coupling assembling, foil gage installation component, a plurality of foil gage, coupling assembling includes the arc hoop board that two symmetries set up, arc hoop board sets up the joint department at the pipeline, foil gage installation component includes curb plate, two that two symmetries set up stuff block between the curb plate, the curb plate with arc hoop board corresponds the connection, the stuff block can be dismantled with the both ends of two curb plates respectively and be connected, and a plurality of foil gages divide into two sets ofly, are first foil gage group, second foil gage group respectively, and every group has a plurality ofly, first foil gage group, second foil gage group are in along pipeline axial setting respectively the inside of curb plate, stuff block.
2. The deformation detecting structure for an underground pipeline joint according to claim 1, wherein: when the shield is used, the tunneling axis is in parallel with the axis line of the underground pipeline, and an included angle exists between the plane where the tunneling axis is located and the axis line of the underground pipeline and the vertical direction.
3. The deformation detecting structure for an underground pipeline joint according to claim 2, wherein: the first strain gauge group is arranged on a plane where the tunneling axis and the underground pipeline axis are located, and the second strain gauge group is arranged on a plane which passes through the underground pipeline axis and is perpendicular to the plane where the tunneling axis and the underground pipeline axis are located.
4. The deformation detecting structure for an underground pipeline joint according to claim 1, wherein: the side plates, the filling blocks and the arc hoop plates are all elastic pieces.
5. The structure of claim 3, wherein: the deformation detection structure further comprises a buffer protection assembly, the buffer protection assembly comprises a buffer plate and a spring array, the spring array comprises a plurality of spring columns, one ends of the spring columns are connected with the side plates, and the other ends of the spring columns are connected with the buffer plate.
6. The structure of claim 5, wherein: the spring columns are arranged in parallel with each other and are parallel to the plane where the tunneling axis and the underground pipeline axis are located.
7. The underground utility joint deformation detecting structure according to claim 6, wherein: the both sides of filling the piece all are provided with T shape sand grip, all be provided with on the both ends of curb plate with T shape sand grip assorted T shape recess, the filling piece pass through T shape sand grip, T shape recess with the curb plate is realized dismantling the connection.
8. The structure according to claim 7, wherein: the two sides of the arc hoop plate are provided with connecting strips, and the two arc hoop plates are connected through the connecting strips.
9. The deformation detecting structure for an underground pipeline joint according to claim 1, wherein: and an anti-skid layer is arranged on the inner surface of the arc hoop plate.
10. The deformation detecting structure for an underground pipeline joint according to claim 1, wherein: the deformation detection structure further comprises a main control box, wherein the main control box is arranged in a soil body above the underground pipeline and is in communication connection with each strain gauge through a communication line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819602.8U CN216410149U (en) | 2021-11-17 | 2021-11-17 | Underground pipeline connects department with deformation detection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122819602.8U CN216410149U (en) | 2021-11-17 | 2021-11-17 | Underground pipeline connects department with deformation detection structure |
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| Publication Number | Publication Date |
|---|---|
| CN216410149U true CN216410149U (en) | 2022-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122819602.8U Active CN216410149U (en) | 2021-11-17 | 2021-11-17 | Underground pipeline connects department with deformation detection structure |
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|---|---|
| CN (1) | CN216410149U (en) |
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2021
- 2021-11-17 CN CN202122819602.8U patent/CN216410149U/en active Active
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