Sensor assembly

Abstract

The utility model belongs to the technical field of geological monitoring of constructional engineering, and provides a sensor assembly which comprises a supporting structure rod, a limiting fixing disc, a stroke protection shell, a settlement anchor point suite and a pore water pressure gauge. The number of the limiting fixing discs is two, the supporting structure rod and the stroke protection shell are arranged between the two limiting fixing discs, the stroke protection shell is sleeved with the settlement anchor point sleeve piece, a linkage piece is arranged in the stroke protection shell, and one end of the linkage piece is connected with the settlement anchor point sleeve piece. A layered settlement magnetic ring is replaced by the settlement anchor point suite and the linkage piece, the settlement anchor point suite and the linkage piece are buried to different depths, and a physical movement distance is measured through the sensor assembly, so that measurement interruption caused by the fact that the original layered settlement magnetic ring descends and is separated from a measurement range of a magnetic sensor is avoided, and long-time continuous monitoring of layered settlement is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the geological monitoring technical field of construction engineering, and specifically relates to a sensor assembly. BACKGROUND

[0002] At present, the market generally uses a magnetic ring device measured by a magnetic inductor to measure software pore water pressure and layered settlement monitoring, for example, a kind of automatic monitoring device based on soft foundation treatment layered settlement is disclosed in application number 202221096321.2, including settlement reference tube and settlement detection component, the upper end of settlement reference tube is in the silt soft foundation of soft foundation treatment, the lower end of settlement reference tube passes through silt layer until stable layer, settlement detection component includes a plurality of movable magnetic rings and a plurality of magnetostrictive measuring mechanisms, a plurality of movable magnetic rings are set on the outside of settlement reference tube at a certain distance from top to bottom, a plurality of magnetostrictive measuring mechanisms are installed on the inside of settlement reference tube, and the position signal of movable magnetic ring is transmitted by cable line. But in continuous measurement, due to long time monitoring, settlement magnetic ring will drop to the area away from magnetic inductor, thereby causing the interruption of measurement. SUMMARY

[0003] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a kind of sensor assembly.

[0004] The technical scheme adopted by the utility model to solve its technical problems is:

[0005] A kind of sensor assembly, including support structure pole, limit fixed disc, stroke protection shell, settlement anchor point suite and pore water pressure gauge;

[0006] The number of limit fixed disc is two, the support structure pole, stroke protection shell are located between two limit fixed discs, the settlement anchor point suite is set in the stroke protection shell, the linkage is arranged in the stroke protection shell, and one end of the linkage is connected with the settlement anchor point suite;

[0007] First fixed hole for fixing the support structure pole, second fixed hole for installing the pore water pressure gauge and settlement stroke hole for installing the stroke protection shell are arranged on the limit fixed disc.

[0008] Preferably, the limit fixed disc is further provided with a wire routing hole for the wire of the pore water pressure gauge to pass through.

[0009] Preferably, the first fixed hole is arranged in the middle of the limit fixed disc, the settlement stroke holes are uniformly distributed along the periphery of the first fixed hole, and the wire routing hole is arranged between the first fixed hole and the settlement stroke hole.

[0010] Preferably, the sedimentation stroke hole is a semicircular structure, and the opening of the sedimentation stroke hole is located on the outer wall surface of the limiting fixing disc, and the outer wall surface of the stroke protection shell protrudes from the outer wall surface of the limiting fixing disc.

[0011] Preferably, an arc-shaped limiting convex edge is arranged along the hole wall surface of the sedimentation stroke hole, and two ends of the limiting convex edge form clamping grooves with the opening edges of the sedimentation stroke hole, respectively.

[0012] One end of the stroke protection shell is provided with an arc-shaped clamping convex edge, and two ends of the clamping convex edge are matched with the clamping grooves, respectively, and one end of the stroke protection shell abuts against the bottom of the limiting convex edge.

[0013] Preferably, the cross section of the supporting structure rod and the first fixing hole is a hexagon, and a connecting convex edge is arranged at one end of the supporting structure rod, and the cross section of the connecting convex edge is a trapezoid.

[0014] A connecting hole is arranged on the supporting structure rod and the connecting convex edge, and a connecting piece is arranged on the limiting fixing disc and matched with the connecting hole of the supporting structure rod.

[0015] Preferably, the number of the sensor assemblies is two or more than two, and two adjacent sensor assemblies are connected end to end.

[0016] Two adjacent connecting convex edges are matched, and the connecting holes of the two connecting convex edges are provided with the connecting piece.

[0017] Preferably, the sedimentation anchor point set comprises a sedimentation ring member and a sedimentation anchor point member, the inner wall surface of the sedimentation ring member is slidably matched with the outer wall surface of the stroke protection shell, and the sedimentation anchor point member is arranged on the outer wall surface of the sedimentation ring member and is uniformly distributed along the radial direction of the sedimentation ring member.

[0018] One end of the linkage member is connected with the sedimentation ring member.

[0019] Preferably, one end of the sedimentation anchor point member is in a bent shape.

[0020] Preferably, the linkage member is a steel wire member.

[0021] Compared with the prior art, the beneficial effects of the utility model include:

[0022] The sensor assembly of the application is lowered to the test ground below the monitoring depth, and the displacement of the settlement anchor point set is driven by the settlement change of the soil layer during the monitoring process, and the displacement information is fed back to the external collection assembly through the linkage, and the pore water pressure is monitored by the pore water pressure gauge, the settlement of the foundation soil at different depths and different soil layers can be monitored automatically at any time, and the settlement anchor point set and the linkage are used instead of the layered settlement magnetic ring, which is buried to different depths, and the physical movement distance is measured by the sensor assembly, so that the measurement interruption caused by the original layered settlement magnetic ring descending out of the measurement range of the magnetic inductor is avoided, and long-term continuous monitoring of the layered settlement is realized. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0024] Fig. 1 It is a structural schematic diagram of the present application.

[0025] Fig. 2 It is a structural exploded view of the cooperation between the limiting fixing disc and the supporting structure rod, and the travel protection shell of the present application.

[0026] Among them:

[0027] 1-sensor assembly;

[0028] 11-supporting structure rod, 111-connection convex edge, 112-first connection hole, 12-limiting fixing disc, 13-travel protection shell, 131-locating convex edge, 14-first fixing hole, 15-second fixing hole, 16-settlement travel hole, 161-limiting convex edge, 162-locating groove, 17-settlement ring member, 18-settlement anchor point member, 19-wiring hole. DETAILED DESCRIPTION

[0029] In order to more clearly illustrate the above-mentioned purposes, features and advantages of the present application, the present application will be described in detail below in combination with the drawings and specific embodiments. It should be noted that the embodiments and features in the embodiments can be combined with each other without conflict. In the following description, a lot of specific details are described in order to fully understand the present application, and the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.

[0031] Embodiment:

[0032] As shown in the figure, the sensor assembly provided in the embodiment includes a support structure rod 11, a limiting fixing disc 12, a stroke protection shell 13, a settlement anchor point set and a pore water pressure gauge; Figs. 1-2 The number of limiting fixing discs 12 is two, the support structure rod 11 and the stroke protection shell 13 are arranged between the two limiting fixing discs 12, the settlement anchor point set is sleeved on the stroke protection shell 13, and the stroke protection shell 13 is provided with a linkage member, one end of the linkage member is connected with the settlement anchor point set;

[0033] The limiting fixing disc 12 is provided with a first fixing hole 14 for fixing the support structure rod 11, a second fixing hole 15 for installing the pore water pressure gauge and a settlement stroke hole 16 for installing the stroke protection shell 13.

[0034] The specific structure of the sensor assembly 1 of the embodiment is as follows:

[0035] Specifically, the settlement anchor point set includes a settlement circular ring member 17 and a settlement anchor point member 18, the inner wall surface of the settlement circular ring member 17 is in sliding fit with the outer wall surface of the stroke protection shell 13, and the settlement anchor point member 18 is arranged on the outer wall surface of the settlement circular ring member 17 and is uniformly distributed along the radial direction of the settlement circular ring member 17.

[0036] One end of the linkage member is connected with the settlement circular ring member 17.

[0037] One end of the settlement anchor point member 18 is in a bent shape.

[0038] In the above structure, the displacement of the settlement anchor point set is driven by the settlement change of the soil layer to realize monitoring, specifically the displacement of the settlement circular ring member 17 is driven, the sliding fit between the stroke protection shell 13 and the settlement circular ring member 17 ensures the stability of the vertical movement (perpendicular to the ground) of the settlement circular ring member 17, and one end of the settlement anchor point member 18 is in a bent shape, which can increase the contact area between the settlement anchor point member 18 and the soil layer and ensure the accuracy of measuring the settlement change of the soil body at the corresponding depth.

[0039] The limiting fixing disc 12 is further provided with a wire arrangement hole 19 through which the wires of the pore water pressure gauge pass;

[0040]

[0041] ​The first fixing hole 14 is arranged in the middle of the limiting fixing disc 12, the sedimentation stroke hole 16 is uniformly distributed along the periphery of the first fixing hole 14, and the wire arranging hole 19 is arranged between the first fixing hole 14 and the sedimentation stroke hole 16.

[0042] The sedimentation stroke hole 16 is a semicircular structure, and the opening of the sedimentation stroke hole 16 is on the outer wall surface of the limiting fixing disc 12. The outer wall surface of the stroke protection shell 13 protrudes from the outer wall surface of the limiting fixing disc 12.

[0043] In the cooperation structure of the stroke protection shell 13 and the limiting fixing disc 12, the outer wall surface of the stroke protection shell 13 protrudes from the outer wall surface of the limiting fixing disc 12, which can prevent the problem of interference caused by the limiting fixing disc 12 during the movement of the sedimentation ring 17,

[0044] Meanwhile, the limiting convex edge 161 in an arc shape is arranged along the hole wall surface of the sedimentation stroke hole 16, and the two ends of the limiting convex edge 161 form clamping grooves 162 with the opening edges of the sedimentation stroke hole 16, respectively.

[0045] One end of the stroke protection shell 13 is provided with a clamping convex edge 131 in an arc shape, and the two ends of the clamping convex edge 131 are matched with the clamping grooves 162, respectively. One end of the stroke protection shell 13 abuts against the bottom of the limiting convex edge 161.

[0046] In the above structure, when the stroke protection shell 13 is installed between the two limiting fixing discs 12, the bottom of the limiting convex edge 161 abuts against one end of the stroke protection shell 13 and is limited, which ensures the stability of the fixed structure of the stroke protection shell 13 and the limiting fixing disc 12. Meanwhile, the cooperation structure of the clamping convex edge 131 of the stroke protection shell 13 and the clamping grooves 162 of the sedimentation stroke hole 16 can ensure the stability of the cooperation of the stroke protection shell 13 and the sedimentation stroke hole 16, and also ensure the sealing performance of the connection between the stroke protection shell 13 and the limiting fixing disc 12, so as to prevent the mud from entering the stroke protection shell 13 and affecting the movement of the linkage, improve the measurement accuracy and the service life of the overall structure.

[0047] The number of the sensor assemblies 1 in the embodiment is two or more, and the two adjacent sensor assemblies 1 are connected end to end;

[0048] The cross section of the supporting structure rod 11 and the first fixing hole 14 is hexagonal, and the connecting convex edge 111 is arranged at one end of the supporting structure rod 11, and the cross section of the connecting convex edge 111 is trapezoidal;

[0049] The first connecting hole 112 is arranged on the supporting structure rod 11 and the connecting convex edge 111, and the first connecting piece matched with the first connecting hole 112 of the supporting structure rod 11 is arranged on the limiting fixing disc 12;

[0050] The two connecting protrusions 111 at the beginning and the end are matched, and the first connecting hole 112 of the two connecting protrusions 111 at the beginning and the end is provided with a first connecting piece.

[0051] The sensor assembly 1 of the embodiment is spliced and combined according to the requirement of measuring depth, specifically, the connecting protrusions 111 of the two adjacent sensor assemblies 1 are matched, and the first connecting piece is arranged on the first connecting hole 112 of the two connecting protrusions 111 at the beginning and the end to be connected, because the cross section of the connecting protrusion 111 is trapezoidal, the cross section shape formed after the connecting protrusions 111 of the two adjacent sensor assemblies 1 are matched is also hexagonal, which can be matched with the first fixing hole 14.

[0052] The linkage member of the embodiment is a steel wire member.

[0053] In summary, the advantages of the application are as follows:

[0054] 1) Comprehensive uninterrupted measurement of pore water pressure and layered settlement

[0055] The application realizes the comprehensive measurement of pore water pressure and layered settlement by the comprehensive burying mode of the sensor assembly 1.

[0056] 2) Long-time continuous measurement of layered settlement

[0057] The settlement anchor point set and the linkage member are used to replace the layered settlement magnetic ring and are buried to different depths, and the physical movement distance is measured by the sensor assembly, so as to avoid the measurement interruption caused by the lowering of the original layered settlement magnetic ring out of the measurement range of the magnetic inductor, and realize the long-time continuous monitoring of the layered settlement.

[0058] 3) Segmented depth measurable component

[0059] The structure of quick splicing is adopted, the sensor assembly is designed as a 2-meter-long component which can be freely spliced, the requirements of different projects and different depths are solved, the combination installation of any meter depth is realized, the number of equipment storage is improved, and the work efficiency is improved.

[0060] The above is only a preferred embodiment of the application, and does not limit the application in any form, so any modification, equivalent change and modification of the above embodiment according to the technical essence of the application still belong to the scope of the technical scheme of the application.

Claims

1. A sensor assembly, characterized by The utility model relates to a kind of sensor assembly and the support structure of settlement monitoring, including: Support structure rod, limiting fixed disc, stroke protection shell, settlement anchor point kit and pore water pressure gauge; Two limiting fixed discs are provided, and the support structure rod and the stroke protection shell are arranged between the two limiting fixed discs, the settlement anchor point kit is sleeved on the stroke protection shell, and a linkage is arranged in the stroke protection shell, one end of the linkage is connected with the settlement anchor point kit; First fixing hole for fixing the support structure rod, second fixing hole for installing the pore water pressure gauge and settlement stroke hole for installing the stroke protection shell are arranged on the limiting fixed disc.

2. The sensor assembly of claim 1, wherein, The limiting fixed disc is further provided with a wire arrangement hole for the wire of the pore water pressure gauge to pass through.

3. The sensor assembly of claim 2, wherein, The first fixing hole is arranged in the middle of the limiting fixed disc, the settlement stroke holes are evenly distributed along the periphery of the first fixing hole, and the wire arrangement hole is arranged between the first fixing hole and the settlement stroke hole.

4. The sensor assembly of claim 3, wherein, The settlement stroke hole is semicircular structure, and the opening of the settlement stroke hole is on the outer wall surface of the limiting fixed disc, and the outer wall surface of the stroke protection shell protrudes from the outer wall surface of the limiting fixed disc.

5. The sensor assembly of claim 4, wherein, An arc-shaped limiting protruding edge is arranged along the hole wall surface of the settlement stroke hole, and the two ends of the limiting protruding edge form a clamping groove with the opening edge of the settlement stroke hole respectively. One end of the stroke protection shell is provided with an arc-shaped clamping protruding edge, the two ends of the clamping protruding edge are matched with the clamping grooves respectively, and one end of the stroke protection shell abuts with the bottom of the limiting protruding edge.

6. The sensor assembly of claim 1, wherein, The cross section of the support structure rod and the first fixing hole is hexagonal, and a connecting protruding edge is arranged at one end of the support structure rod, and the cross section of the connecting protruding edge is trapezoidal. A connecting hole is arranged on the support structure rod and the connecting protruding edge, and a connecting piece is arranged on the limiting fixed disc and matched with the connecting hole of the support structure rod.

7. The sensor assembly of claim 6, wherein, The number of the sensor assembly is more than two, and the two sensor assemblies adjacent to each other are connected end to end. The two connecting protruding edges adjacent to each other are matched, and the connecting holes of the two connecting protruding edges are provided with the connecting piece.

8. The sensor assembly of claim 1, wherein, The settlement anchor point kit includes a settlement ring and a settlement anchor, the inner wall surface of the settlement ring is slidably matched with the outer wall surface of the stroke protection shell, and the settlement anchor is arranged on the outer wall surface of the settlement ring and evenly distributed along the radial direction of the settlement ring. One end of the linkage is connected with the settlement ring.

9. The sensor assembly of claim 8, wherein, One end of the settlement anchor is bent.

10. The sensor assembly of claim 1, wherein, The linkage is a steel wire.

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