CN218443958U - Tunnel distributed deformation multi-parameter monitoring device - Google Patents
Tunnel distributed deformation multi-parameter monitoring device Download PDFInfo
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- CN218443958U CN218443958U CN202221157797.2U CN202221157797U CN218443958U CN 218443958 U CN218443958 U CN 218443958U CN 202221157797 U CN202221157797 U CN 202221157797U CN 218443958 U CN218443958 U CN 218443958U
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Abstract
The utility model provides a tunnel distributed warp many parameter monitoring devices, including meeting an emergency sensing optical cable, the temperature sensing optical cable, vibration sensing optical cable and be used for horizontal location meeting an emergency sensing optical cable, the temperature sensing optical cable, the solid fixed splint of vibration sensing optical cable, gu fixed splint includes punch holder and lower plate, the punch holder is fixed on tunnel wall side, the lower plate can be dismantled the lid and close and connect on the punch holder, and still be provided with three groups between punch holder and the lower plate and be used for the spacing sensing optical cable that meets an emergency of level, the temperature sensing optical cable, the spacing notch of vibration sensing optical cable, and meet an emergency sensing optical cable, the temperature sensing optical cable, the tail end of vibration sensing optical cable is connected with a fixed counter weight through a set of transition ring transition back after crossing, the utility model discloses can assist the realization to carry out distributed monitoring to the tunnel, can record simultaneously and meet an emergency, the temperature, vibrate three parameter, and lay fast, the convenient efficient of installation, the stability of installation is also better simultaneously.
Description
Technical Field
The utility model relates to a many parameters monitoring devices, especially a tunnel distributing type warp many parameters monitoring devices.
Background
In recent years, with the gradual increase of engineering construction, in the development of the civil engineering monitoring field, the traditional monitoring method mainly based on manual monitoring has more and more defects, short monitoring period, limited monitoring range, larger error, incapability of comprehensively monitoring the safety condition of tunnel engineering, and rapid development of an optical fiber sensing technology, and brings a new technical method for long-distance tunnel monitoring. In recent years, optical fiber sensing technology is widely applied to tunnel engineering.
The optical fiber sensing technology takes light as a carrier, can realize long-distance real-time safety monitoring, and as a non-metal and insulating material, the optical fiber can avoid the interference of electromagnetism, thunder and lightning and the like and has good durability. The optical fiber is used as a sensing medium, and the optical fiber is light, thin, flexible and tough, so that the problem of matching with a measured object is solved, the optical fiber is convenient to install and bury, and long-distance monitoring can be realized. The optical fiber has various types and wide application. Parameters such as strain, temperature, vibration, humidity and the like can be monitored according to the engineering requirements.
At present, the common optical fiber monitoring tunnel is laid in a fixed-point strain optical cable, the optical cable is laid on the tunnel to measure the strain, the strain optical cable can only measure the strain but cannot measure the parameters of the tunnel, such as temperature, vibration and the like, and the parameters measured by the optical cable are single and not comprehensive enough, so that the defects in the prior art are overcome, a monitoring device which can monitor a plurality of parameters of tunnel engineering through the sensing optical cable is developed, is safe and reliable, and becomes one of important problems in the technical field of optical fiber monitoring of tunnel engineering.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a tunnel distributing type warp many parameter monitoring devices can assist the realization and carry out the distributed monitoring to the tunnel, can record simultaneously and meet an emergency, temperature, the three parameter of vibration, and lay fast, installs convenient efficient, and the stability of installing simultaneously is also better.
The utility model provides a following technical scheme:
the utility model provides a tunnel distributed warp many parameter monitoring devices, including meeting an emergency sensing optical cable, the temperature sensing optical cable, vibration sensing optical cable and be used for horizontal location meeting an emergency sensing optical cable, the temperature sensing optical cable, the solid fixed splint of vibration sensing optical cable, gu fixed splint includes punch holder and lower plate, the punch holder is fixed on tunnel wall side, the lower plate can be dismantled the lid and close and connect on the punch holder, and still be provided with three groups between punch holder and the lower plate and be used for the spacing sensing optical cable that meets an emergency of level, the temperature sensing optical cable, the spacing notch of vibration sensing optical cable, and meet an emergency sensing optical cable, the temperature sensing optical cable, the tail end of vibration sensing optical cable is connected with a fixed counter weight after passing through a set of transition ring transition after crossing.
Preferably, the upper plate is connected to the tunnel through three groups of thread drilling holes which are distributed triangularly, three groups of connecting holes are further formed in the upper plate, triangles formed by the three groups of connecting holes and triangles formed by the three groups of thread drilling holes are distributed in a crossed mode, the lower plate covers the upper plate, and the lower plate is fixed to the upper plate through screws aligned in the connecting holes.
Preferably, be provided with three group's rectangle post pieces on the punch holder, set up the rectangle post hole that supplies the rectangle post piece to pass through on the lower plate, and one side in every group rectangle post hole still is provided with a set of position sleeve, there is a set of locating lever through piston connection in the position sleeve, one side that the locating lever was kept away from to the piston is provided with a stopper, the stopper passes the lower plate and stretches into in the rectangle post hole, and be used for spacing in the spacing draw-in groove of rectangle post piece, one side that the punch holder was kept away from to spacing draw-in groove is provided with the slope sliding surface, the slope sliding surface leans out towards the one side that deviates from the punch holder, the locating lever overcoat is equipped with one and is used for extruding piston towards the propulsive compression spring of lower plate, and under compression spring's thrust, cooperation sliding surface and slope sliding surface butt on the stopper and close the lower plate on the punch holder with the pull-up lid.
Preferably, the end of the rectangular column block is provided with an inwardly cut chamfered section.
Preferably, the top side of the transition ring is flush with the vibration sensing optical cable, and one side of the transition ring is further provided with two sets of intermediate rings for transferring the strain sensing optical cable and the temperature sensing optical cable onto the transition ring to meet the vibration sensing optical cable, and the top sides of the two sets of intermediate rings are flush with the strain sensing optical cable and the temperature sensing optical cable respectively.
Preferably, one end of the upper clamping plate is provided with a laser sensor, and the other end of the upper clamping plate is provided with a sensing block corresponding to the laser sensor on the other upper clamping plate.
The utility model has the advantages that:
first, the utility model discloses can fix on the device strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable simultaneously, carry out the distributed monitoring to the tunnel, can record simultaneously and meet an emergency, temperature, the three parameter of vibration, realized the simultaneous measurement of a plurality of parameters in tunnel, improved monitoring efficiency.
Secondly, the strain sensing optical cable and the vibration sensing optical cable clamped by the fixed clamping plate of the utility model can adopt an optical cable inner core and an optical cable sheath wrapped outside the optical cable inner core to form a structure; the temperature sensing optical cable is a plastic package armored optical cable and can be composed of a tightly packaged optical cable, a spiral belt armor and a high heat conduction sheath, the fixed clamping plate takes a metal material as a substrate, the arranged sensing optical cables can be randomly set to be arranged at fixed point intervals, and the arranged fixed counter weights ensure that each optical cable can ensure the same stretching length and can keep the same initial strain of the strain sensing optical cable.
The third, strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable and the embedded matching of solid fixed splint, and constitute solid fixed splint's punch holder and the removable lid of lower plate and close the connection to not only guaranteed that both do not have relative slip each other, improved the accuracy of monitoring, and made the installation more convenient with the dismantlement.
Fourth, the utility model discloses easy operation is dismantled in the installation, and it is convenient to install, lays fast, and is efficient, saves time, and constructor can operate through simple training back.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a sectional view of the structure of the present invention in embodiment 1;
FIG. 2 is a schematic view showing the structure of a lower plate in embodiment 1;
FIG. 3 is a schematic view showing the construction of an upper splint according to embodiment 2;
FIG. 4 is a schematic view showing a structure of a lower splint in embodiment 2;
fig. 5 is a side view of the present invention in embodiment 2;
fig. 6 is a sectional view of the structure of the present invention in embodiment 3;
labeling in the figure: 1 is strain sensing optical cable, 2 is temperature sensing optical cable, 3 is vibration sensing optical cable, 4 is the punch holder, 5 is the lower plate, 6 is spacing notch, 7 is the transition ring, 8 is fixed counter weight, 9 is the screw drilling, 10 is the connecting hole, 11 is the rectangle post piece, 12 is the rectangle post hole, 13 is the position sleeve, 14 is the locating lever, 15 is the stopper, 16 is spacing draw-in groove, 17 is the slope spigot surface, 18 is compression spring, 19 is the chamfer tangent plane, 20 is the screw thread arch, 21 is the screw hole, 22 is the intermediate ring, 23 is laser sensor, 24 is the response piece.
Detailed Description
Example 1
Referring to fig. 1 to 2, a tunnel distributed deformation multi-parameter monitoring device is shown, in this embodiment, including strain sensing optical cable 1, temperature sensing optical cable 2, vibration sensing optical cable 3 and the fixed splint that is used for horizontal positioning strain sensing optical cable 1, temperature sensing optical cable 2, vibration sensing optical cable 3, the fixed splint includes punch holder 4 and lower splint 5, punch holder 4 fixes on tunnel wall side, lower splint 5 can dismantle the lid closes and connects on punch holder 4, and still be provided with three groups between punch holder 4 and the lower splint 5 and be used for horizontal spacing strain sensing optical cable 1, temperature sensing optical cable 2, spacing notch 6 of vibration sensing optical cable 3, and strain sensing optical cable 1, temperature sensing optical cable 2, the tail end of vibration sensing optical cable 3 is crossed and is connected with a fixed counterweight 8 through a group of transition ring 7 after the transition.
The upper clamping plate 4 is connected to the tunnel through three groups of thread drilling holes 9 which are distributed triangularly, three groups of connecting holes 10 are further formed in the upper clamping plate, triangles formed by the three groups of connecting holes 10 and triangles formed by the three groups of thread drilling holes 9 are distributed in a crossed mode, the lower clamping plate 5 covers the upper clamping plate 4, and the lower clamping plate is fixed to the upper clamping plate 4 through screws aligned in the connecting holes 10.
Based on the tunnel distributed deformation multi-parameter monitoring device, a tunnel distributed deformation multi-parameter monitoring method comprises the following steps:
s1, leveling alignment: the lines of the sensing optical cables which are arranged and installed are kept at the same horizontal height as much as possible, a horizontal laser instrument is adopted, and the height of the lines is marked by the aid of the laser.
S2, point location marking: the optical cable adopts strain sensing optical cable 1 to carry out strain measurement, adopts temperature sensing optical cable 2 to carry out temperature measurement, adopts vibration sensing optical cable 3 to carry out vibration measurement, and three optical cables are fixed in unison to a pair of solid fixed splint, on the circuit that the mark is good, adopts the marker pen, marks solid fixed splint mounted position and drilling hole site.
S3, punching: adopting the percussion drill to punch on the four walls of the tunnel, corresponding to the marked punching hole positions, adopting the percussion drill to drill holes, wherein each pair of fixed clamping plates corresponds to 3 drilling holes, and fixing a transition ring 7 at the tail end of the optical cable.
S4, optical cable locking: the strain sensing optical cable 1, the temperature sensing optical cable 2 and the vibration sensing optical cable 3 are sequentially and vertically placed in a bending groove of an upper clamping plate 4, the tail end of the optical cable is connected with a fixed counterweight 8 through a transition ring 7, the optical cable is kept in a certain pre-tension state, the upper part of the fixed clamping plate is covered, then a cross screwdriver is adopted, a screw is screwed, and a lower clamping plate 5 is pressed tightly on the optical cable, so that the optical cable fixing work is completed.
S5, detection: after the strain sensing optical cable 1, the temperature sensing optical cable 2 and the vibration sensing optical cable 3 are laid, a distributed optical fiber demodulator is adopted to acquire data of strain, temperature and vibration of the tunnel.
Example 2
Combine a tunnel distributed deformation many parameter monitoring devices shown in fig. 3 to 5, in this embodiment, with embodiment 1's difference lies in, in order to more quick nimble dismantlement between realization punch holder 4 and the lower plate 5, so be provided with three group rectangle post pieces 11 on the punch holder 4, set up the rectangle post hole 12 that supplies rectangle post piece 11 to pass through on the lower plate 5, and one side of every group rectangle post hole 12 still is provided with a set of position sleeve 13, be connected with a set of locating lever 14 through the piston in the position sleeve 13, one side that the piston kept away from locating lever 14 is provided with a stopper 15, stopper 15 passes in lower plate 5 stretches into rectangle post hole 12, and be used for spacing in the spacing draw-in groove 16 of rectangle post piece 11, one side that upper plate 4 was kept away from to spacing draw-in groove 16 is provided with slope sliding surface 17, slope sliding surface 17 is towards the one side that deviates from upper plate 4, locating lever 14 overcoat is equipped with one and is used for extruding piston towards lower plate 5 propulsive compression spring 18, and under compression spring 18's thrust, cooperation sliding surface on the stopper 15 butt and slope sliding surface 17 draw close 4 and close to the upper plate 5.
Therefore, the upper clamping plate 4 and the lower clamping plate 5 can be compressed and fixed through the pressing force of the compression spring 18, the range of the pressing force is relatively fixed, and when the diameters of the strain sensing optical cable 1, the temperature sensing optical cable 2 and the vibration sensing optical cable 3 are relatively larger than those of the limiting notch 6 and the upper clamping plate 4 and the lower clamping plate 5 are connected through screws, the pressing force cannot be accurately controlled, and the outer sheath of the optical cable is damaged.
In order to further improve the alignment convenience of the upper clamping plate 4 and the lower clamping plate 5, an inward-cutting chamfer tangent plane 19 can be arranged at the end part of the rectangular column block 11;
and the accessible is provided with the protruding 20 of a round of screw thread at the middle part of locating lever 14, and sets for locating lever 14 to rotate with the piston and know, and set up on the position sleeve 13 can with the screw hole 21 of the protruding 20 threaded connection of screw thread, so the accessible is outwards carried and is drawn locating lever 14, and then rotatory locating lever 14 for screw thread protruding 20 is connected the back with screw hole 21, can fix a position locating lever 14, makes things convenient for the split between punch holder 4 and the lower plate 5, and when the installation, only need through with punch holder 4 and the lower plate 5 after counterpointing, with the screw hole 21 of the protruding 20 of screw thread of rotating away from position sleeve 13, then the piston rod can be under compression spring 18's pressure automatic towards lower plate 5 impels.
Example 3
Fig. 6 shows a tunnel distributed deformation multi-parameter monitoring device, which is different from embodiment 2 in that, in order to further ensure the levelness of the optical cable, the top side of the transition ring 7 may be disposed flush with the vibration sensing optical cable 3, and one side of the transition ring 7 is further provided with two sets of intermediate rings 22 for transitioning the strain sensing optical cable 1 and the temperature sensing optical cable 2 to the transition ring 7 to meet the vibration sensing optical cable 3, and the top sides of the two sets of intermediate rings 22 are respectively flush with the strain sensing optical cable 1 and the temperature sensing optical cable 2.
Meanwhile, in order to further improve the rapid detection of the levelness of the two sets of upper clamping plates 4, a laser sensor 23 can be arranged at one end of each upper clamping plate 4, and a sensing block 24 corresponding to the laser sensor 23 on the other upper clamping plate 4 is arranged at the other end of each upper clamping plate 4.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a tunnel distributed warp many parameter monitoring devices, its characterized in that, includes strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable and is used for the fixed splint of horizontal location strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable, fixed splint include punch holder and lower plate, the punch holder is fixed on tunnel wall side, the lower plate can be dismantled the lid and close the connection and be in on the punch holder, just the punch holder with still be provided with three spacing notches that are used for horizontal spacing strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable between the lower plate, just the tail end of strain sensing optical cable, temperature sensing optical cable, vibration sensing optical cable is connected with a fixed counter weight after passing through a set of transition ring transition after crossing.
2. The distributed multi-parameter monitoring device for tunnel deformation according to claim 1, wherein the upper clamping plate is connected to the tunnel through three sets of triangular threaded drilling holes, and three sets of connecting holes are further formed in the upper clamping plate, the three sets of connecting holes are distributed in a triangular shape and are intersected with the three sets of threaded drilling holes, and the lower clamping plate covers the upper clamping plate and is fixed on the upper clamping plate through screws aligned in the connecting holes.
3. The multi-parameter monitoring device is warp to tunnel distributed, according to claim 1, characterized in that, be provided with three groups of rectangle post pieces on the punch holder, set up the confession on the punch holder rectangle post hole that the rectangle post piece passes through, and one side in every group rectangle post hole still is provided with a set of position sleeve, there is a set of locating lever through piston connection in the position sleeve, the piston is kept away from one side of locating lever is provided with a stopper, the stopper passes the punch holder and stretches into in the rectangle post hole, and is used for spacing in the spacing draw-in groove of rectangle post piece, spacing draw-in groove is kept away from one side of punch holder is provided with the slope sliding surface, the slope sliding surface orientation deviates from one side of punch holder leans out, the locating lever overcoat is equipped with one and is used for extruding piston towards the propulsive compression spring of punch holder, and under compression spring's thrust, cooperation sliding surface and slope sliding surface butt on the stopper and draw the punch holder near the lid to close on the punch holder.
4. The distributed deformation multi-parameter monitoring device for the tunnel according to claim 3, wherein the end of the rectangular column block is provided with an inward-cutting chamfer section.
5. The tunnel distributed deformation multi-parameter monitoring device according to claim 1, wherein the top side of the transition ring is flush with the vibration sensing optical cable, and two sets of intermediate rings for transferring the strain sensing optical cable and the temperature sensing optical cable to the transition ring to meet the vibration sensing optical cable are further disposed on one side of the transition ring, and the top sides of the two sets of intermediate rings are flush with the strain sensing optical cable and the temperature sensing optical cable respectively.
6. The tunnel distributed deformation multi-parameter monitoring device as claimed in claim 1, wherein one end of the upper clamping plate is provided with a laser sensor, and the other end is provided with a sensing block corresponding to the laser sensor on the other upper clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157797.2U CN218443958U (en) | 2022-05-12 | 2022-05-12 | Tunnel distributed deformation multi-parameter monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221157797.2U CN218443958U (en) | 2022-05-12 | 2022-05-12 | Tunnel distributed deformation multi-parameter monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN218443958U true CN218443958U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221157797.2U Active CN218443958U (en) | 2022-05-12 | 2022-05-12 | Tunnel distributed deformation multi-parameter monitoring device |
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| Country | Link |
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| CN (1) | CN218443958U (en) |
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2022
- 2022-05-12 CN CN202221157797.2U patent/CN218443958U/en active Active
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