CN218673618U - Automatic monitoring devices of top layer subsides, layering subsides and water level integration - Google Patents

Abstract

The utility model relates to a monitoring devices technical field for the ground treatment engineering, in particular to top layer subsides, the layering subsides and the automatic monitoring devices of water level integration. The monitoring device comprises a fixed measuring rod, a layered settlement sleeve, a settlement sleeve plate, a layered settlement monitoring mechanism and a ground surface settlement monitoring mechanism; the fixed measuring rod is fixedly embedded in the foundation, the top end of the fixed measuring rod extends out of the surface of the foundation, the ground surface settlement monitoring mechanism is fixedly connected to the top of the settlement sleeve plate so as to drive the settlement sleeve plate to move after the settlement sleeve plate sinks, and the ground surface settlement monitoring mechanism is used for monitoring the relative displacement between the settlement sleeve plate and the fixed measuring rod; the layered settlement monitoring mechanism comprises a magnetic ring and a layered settlement sensor fixedly connected to the fixed measuring rod, the layered settlement sleeve is fixedly embedded in the foundation, the magnetic ring is sleeved outside the layered settlement sleeve, so that the inner part of the foundation sinks to drive the magnetic ring to move, and the layered settlement sensor is used for sensing the moving distance of the magnetic ring. The monitoring device has an integrated monitoring function, and cost can be saved while monitoring efficiency is improved.

Description

Automatic monitoring devices of top layer subsides, layering subsides and water level integration

Technical Field

The utility model relates to a monitoring devices technical field for the ground treatment engineering, in particular to top layer subsides, the layering subsides and the automatic monitoring devices of water level integration.

Background

The ground treatment engineering monitoring projects comprise surface layer settlement, layered settlement, underground water level, pore water pressure and the like, and various problems that manual monitoring is time-consuming and labor-consuming, low in efficiency, large in workload, complex and poor in observation precision and the like can be solved by adopting each project to perform automatic monitoring respectively.

In the surface layer settlement monitoring process, people need to drill holes and embed and fix measuring rods, and the measuring rods are embedded to the position of an immobile point to be used as a reference point; for monitoring the surface sedimentation, people need to drill a layered sedimentation pipe which is externally sleeved with a magnetic ring, bury the layered sedimentation pipe to the position of a fixed point, externally sleeved with the magnetic ring, and internally provided with an automatic sedimentation device, and measure the relative displacement of the magnetic ring and the automatic sedimentation device in the layered sedimentation pipe during sedimentation.

For the automatic monitoring of the underground water level, the underground water level is detected by burying a water level meter in a water level pipe, wherein the water level meter needs to be kept fixed in the monitoring process to reflect the real water level change, so the water level pipe needs to be buried after being drilled to the fixed position.

At present, the existing monitoring device and monitoring method for the items of surface layer settlement, layered settlement and underground water level have the following problems:

1) At present, the existing monitoring devices on the market can only adapt to certain index detection, surface layer settlement, layered settlement and underground water level automatic monitoring are required to be carried out independently, parts of the monitoring devices are required to be separately and independently embedded, each monitoring item is required to be drilled so as to embed and fix a measuring rod, a layered settlement pipe and a water level pipe respectively, each detecting item is required to be drilled to a fixed soil layer during drilling, and the drilling depth is large, so that the operation cost is high;

2) When the existing water level monitoring device is used, the water level gauge moves along with the sedimentation of the foundation, so that the water level is inaccurate to measure;

3) The requirement for each monitoring protection is very high in the foundation treatment process, and when each index needs to be monitored independently, the protection difficulty is high, the protection workload is large and tedious, and the cost of protection measures is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects in the prior art. The utility model provides an integrated automatic monitoring device for surface layer settlement, layered settlement and water level, which comprises a fixed measuring rod, a layered settlement sleeve sleeved outside the fixed measuring rod, a settlement sleeve plate embedded on the surface of a foundation, a layered settlement monitoring mechanism and a surface settlement monitoring mechanism;

the fixed measuring rod is fixedly embedded in the foundation, the top end of the fixed measuring rod extends out of the surface of the foundation, the ground surface settlement monitoring mechanism is fixedly connected to the top of the settlement sleeve plate so as to drive the settlement sleeve plate to move after the settlement sleeve plate sinks, and the ground surface settlement monitoring mechanism is used for monitoring the relative displacement between the settlement sleeve plate and the fixed measuring rod;

the layered settlement monitoring mechanism comprises a magnetic ring and a layered settlement sensor fixedly connected to the fixed measuring rod, the layered settlement sleeve is fixedly embedded in the foundation, the magnetic ring is sleeved outside the layered settlement sleeve so that the foundation sinks to drive the magnetic ring to move, and the layered settlement sensor is used for sensing the moving distance of the magnetic ring;

the top end of the fixed measuring rod extends out of the top end pipe orifice of the layered settlement sleeve, and the top end pipe orifice of the layered settlement sleeve is provided with a fixed protective cover for fixing the fixed measuring rod.

In one embodiment, the system further comprises an acquisition device; the layered settlement sensor and the ground surface settlement monitoring mechanism are electrically connected with the acquisition equipment.

In one embodiment, the ground surface settlement monitoring mechanism comprises a stay wire and a stay wire displacement sensor; a sedimentation sleeve rod is fixedly connected above the sedimentation sleeve plate, and the acquisition equipment and the pull line displacement sensor are fixedly arranged at the top end of the sedimentation sleeve rod; the fixed measuring rod extends into the inner hole of the sedimentation sleeve rod and the inner hole of the sedimentation sleeve plate from top to bottom, and the top end of the fixed measuring rod is connected with the stay wire displacement sensor through a tensioned stay wire, so that after the sedimentation sleeve plate is sunk to drive the stay wire displacement sensor to sink, the stay wire contracts.

In one embodiment, the water level meter is electrically connected with the acquisition equipment; the water level meter is fixedly connected to the fixed measuring rod and is positioned below the water level in the foundation; and the partial section of the layered settlement sleeve below the water level is provided with a circulation hole so that water flows into the layered settlement sleeve through the circulation hole.

In one embodiment, the layered sedimentation sleeve is coated with filter cloth on the outer part of the section of the layered sedimentation sleeve where the flow holes are located, so as to filter the water flow flowing into the layered sedimentation sleeve through the flow holes.

In one embodiment, the layered settlement sleeve is externally sleeved with a plurality of magnetic rings distributed at intervals.

In an embodiment, the layered settlement sleeve comprises a number of subsections, including a first subsection and a number of second subsections; the first subsection is provided with a circulation hole, and the plurality of magnetic rings are correspondingly arranged on the second subsections respectively.

In one embodiment, the layered settlement sleeve is formed by detachably and fixedly connecting the first subsegment and a plurality of second subsegments; the fixed measuring rod is formed by detachably and fixedly connecting a plurality of sections.

In one embodiment, the outer wall of the bottom end of the sedimentation sleeve rod is provided with a wire hole, so that cables of the water level gauge and the layered sedimentation sensor are led out from the wire hole and connected with the acquisition equipment.

In one embodiment, the bottom of the sedimentation sleeve plate is provided with an annular sleeve.

Based on the foregoing, compared with the prior art, the utility model provides a pair of top layer subsides, the layering subsides and water level integration automatic monitoring device has following beneficial effect:

1) The structure is simple, and the manufacturing cost is low; the operation is convenient and quick during burying, and the efficiency is high;

2) The system has an integrated monitoring function, can monitor both surface subsidence and layered subsidence, solves the problem that the surface subsidence and the layered subsidence need to be drilled and buried independently, improves the efficiency and saves the drilling cost;

3) When the existing monitoring device is independently buried in surface settlement, a fixed measuring rod needs to be sleeved with a protective tube so as to avoid the fixed measuring rod from being influenced by extrusion, holding, dragging and the like caused by soil body settlement and cause inaccurate measured value; the utility model directly utilizes the fixed measuring rod for the layered settlement test as the immovable fixed measuring rod for monitoring the surface settlement, the layered settlement sleeve is sleeved outside the fixed measuring rod, and no additional protective tube is needed, thereby saving materials and ensuring accurate and reliable measurement;

4) The method and the device have the advantages of multifunctional integrated monitoring, material saving, reduction of protection workload, and solution of the problems of high protection difficulty, high protection workload, complexity and high protection measure cost when each index needs to be monitored independently.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.

Fig. 1 is a first schematic structural diagram according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a second embodiment of the present invention;

fig. 3 is a partially enlarged view of a portion a in fig. 2.

Reference numerals:

10 ground surface 20 sand cushion layer 30 soft soil layer

40 bedrock 50 water level

100 collection equipment 200 earth's surface settlement monitoring mechanism 300 layering settlement monitoring mechanism

400 subside lagging 500 fixed measuring staff 600 layering and subside sleeve pipe

700 water level gauge 210 stay wire displacement sensor 220 stay wire

211 steel wire rope 221 extension line 310 magnetic ring

320 layered settlement sensor 410 annular casing 420 settlement loop bar

430 drawknot fixing structure 421 thread hole

610 first subsection 620 second subsection 630 securing a protective cover

611 flow holes

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that all terms (including technical terms and scientific terms) used in the present invention have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and cannot be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Please refer to the preferred embodiment of the integrated automatic monitoring device for surface layer sedimentation, layered sedimentation and water level shown in fig. 1-3; as shown in fig. 1, the foundation includes a foundation surface, a sand cushion, a soft soil layer, and bedrocks in sequence from top to bottom, wherein a stowage layer is formed by stowage on the sand cushion (on the foundation surface).

The utility model provides a surface layer settlement, layered settlement and water level integrated automatic monitoring device as shown in figures 1-3, which comprises a fixed measuring rod 500, a layered settlement sleeve 600 sleeved outside the fixed measuring rod 500, a settlement sleeve plate 400 embedded in the ground surface 10, a layered settlement monitoring mechanism 300 and a ground surface settlement monitoring mechanism 200; the fixed measuring rod 500 is fixedly embedded in the foundation, the top end of the fixed measuring rod extends out of the surface 10 of the foundation, the ground surface settlement monitoring mechanism 200 is fixedly connected to the top of the settlement sleeve plate 400, so that the settlement sleeve plate 400 is driven to move after sinking, and the ground surface settlement monitoring mechanism 200 is used for monitoring the relative displacement between the settlement sleeve plate 400 and the fixed measuring rod 500; the layered settlement monitoring mechanism 300 comprises a magnetic ring 310 and a layered settlement sensor 320 fixedly connected to the fixed measuring rod 500, the layered settlement sleeve 600 is fixedly embedded in the foundation, the magnetic ring 310 is sleeved outside the layered settlement sleeve 600 so that the magnetic ring 310 is driven to move by the inner portion of the foundation sinking, and the layered settlement sensor 320 is used for sensing the moving distance of the magnetic ring 310; the top end of the fixed measuring rod 500 extends out of the top end pipe orifice of the layered settlement sleeve 600, and the top end pipe orifice of the layered settlement sleeve 600 is provided with a fixed protective cover 630 for fixing the fixed measuring rod 500.

Specifically, during installation, a hole is drilled in the foundation to embed the layered settlement sleeve 600, and the drilling depth penetrates through the soft soil layer 30 to reach the position of the bedrock 40; the layered settlement sleeve 600 with the magnetic ring 310 is installed in the borehole inside the foundation, wherein it passes through the foundation surface 10, the sand cushion 20, the soft soil layer 30 and the bedrock 40 in sequence from top to bottom. Then, the fixed measuring rod 500 penetrates into the layered settlement sleeve 600 to be fixed, and the top end of the fixed measuring rod extends out of the foundation surface 10; the fixed measuring rod 500 and the layered settlement sleeve 600 are fixed without moving up and down no matter in the settlement and layered settlement processes of the foundation surface 10, and the installation position of the magnetic ring 310 outside the layered settlement sleeve 600 is selected so that the magnetic ring 310 is located in the soft soil layer 30, and the installation position of the layered settlement sensor 320 is selected so that the sensing area is located in the moving range of the magnetic ring 310, so as to ensure that the sufficient measuring range measures the settlement data of the magnetic ring 310 in the whole process. The settlement sleeve plate 400 is buried in the ground surface 10 and is sleeved outside the top end of the fixed measuring rod 500, so that the settlement sleeve plate 400 can move downwards along with the settlement of the ground surface 10. In addition, a fixing protection cover 630 for fixing the fixing measuring rod 500 is provided, so that the fixing measuring rod 500 can be prevented from shaking.

When the device is used, when the ground surface is settled in the stacking process, the settlement sleeve plate 400 is driven to settle, and because the fixed measuring rod 500 is fixed in position, the relative displacement between the settlement sleeve plate 400 and the top end of the fixed measuring rod 500 is the displacement of the settlement sleeve plate 400; the relative displacement between the settlement sleeve plate 400 and the fixed measuring rod 500 is monitored by the ground surface settlement monitoring mechanism 200, so that the settlement amount of the settlement sleeve plate 400 can be monitored, and the ground surface settlement value can be obtained. In the automatic monitoring of the layered settlement, the soil body (namely the soft soil layer 30) in the foundation settles to drive the magnetic ring 310 sleeved outside the layered settlement sleeve 600 to move, relative displacement is generated between the magnetic ring 310 and the layered settlement sensor 320, and the layered settlement sensor 320 senses the displacement in real time to obtain a layered settlement value.

By the structure and the use process of the automatic monitoring device of the integration of the surface layer settlement, the layered settlement and the water level, the following can be known:

1) The device provided by the utility model has simple structure and low manufacturing cost; the operation is convenient and quick during embedding, and the efficiency is high;

2) The system has an integrated monitoring function, can monitor both surface subsidence and layered subsidence, solves the problem that the surface subsidence and the layered subsidence need to be drilled and buried independently, improves the efficiency and saves the drilling cost;

3) When the existing monitoring device is buried separately in surface settlement, a protection pipe needs to be sleeved outside the fixed measuring rod 500 so as to avoid the fixed measuring rod 500 from being influenced by extrusion, clasping and the like caused by soil body settlement and cause inaccurate measured value; the utility model directly utilizes the fixed measuring rod 500 for the layered settlement test as the immovable fixed measuring rod 500 for monitoring the surface settlement, the layered settlement sleeve 600 is sleeved outside the fixed measuring rod 500, and a protective tube is not needed to be sleeved, thereby saving materials and ensuring the accuracy and reliability of the measurement;

4) The method and the device have the advantages of multifunctional integrated monitoring, material saving, reduction of protection workload, and solution of the problems of high protection difficulty, high protection workload, complexity and high protection measure cost when each index needs to be monitored independently.

It should be noted that the magnetic ring 310 and the layered settlement sensor 320 are conventional devices, and those skilled in the art can perform adaptive model selection according to the needs; the working process and principle of the layered settlement sensor 320 sensing the relative displacement between the two in real time by the cooperation of the two are also prior art, and will not be described herein again.

It should be noted that: in the preferred embodiment, the fixed protective cover 630 is a cover structure with a through hole at the middle, and the through hole is used for penetrating the fixed measuring rod 500; and the cover body is connected with the top end pipe orifice of the layered sedimentation sleeve 600 through a detachable connection structure (such as a threaded screwing or buckling clamping groove).

Preferably, also comprises a collecting device 100; the layered settlement sensor 320 and the ground surface settlement monitoring mechanism 200 are electrically connected with the acquisition equipment 100.

The layered settlement sensor 320 of the layered settlement monitoring mechanism 300 and the ground surface settlement monitoring mechanism 200 (i.e., the stay wire displacement sensor 210) are electrically connected with the acquisition device 100, and both perform data acquisition, calculation processing and analysis on the electric signals transmitted by the acquisition device 100, and remotely transmit the monitoring data to a cloud monitoring platform for data analysis and management.

It should be noted that, the acquisition device 100 is an existing device that has data acquisition, calculation processing analysis, and sends the monitoring data to the cloud monitoring platform remotely for data analysis and management, and those skilled in the art can perform adaptive type selection according to the needs, and the working principle of the device is not described repeatedly.

Preferably, the ground surface settlement monitoring mechanism 200 comprises a stay wire 220 and a stay wire displacement sensor 210; a sedimentation sleeve rod 420 is fixedly connected above the sedimentation sleeve plate 400, and the acquisition equipment 100 and the stay wire displacement sensor 210 are fixedly arranged at the top end of the sedimentation sleeve rod 420; the fixed measuring rod 500 extends into the inner hole of the sedimentation sleeve rod 420 and the inner hole of the sedimentation sleeve plate 400 from top to bottom, and the top end of the fixed measuring rod is connected with the stay wire displacement sensor 210 through the tensioned stay wire 220, so that after the sedimentation sleeve plate 400 sinks to drive the stay wire displacement sensor 210 to sink, the stay wire 220 contracts.

When the device is used, when the ground surface subsides in the stacking process, the settlement sleeve plate 400 is driven to subside together with the settlement sleeve rod 420, the collection device 100 fixed on the settlement sleeve rod 420 and the stay wire displacement sensor 210 subside together, because the fixed measuring rod 500 is fixed in position, relative displacement is generated between the stay wire displacement sensor 210 and the fixed measuring rod 500, the stay wire 220 of the settlement displacement sensor contracts during settlement, the contraction amount is the settlement amount of the soil body, the stay wire displacement sensor 210 senses the contraction amount of the stay wire 220 in real time, and the ground surface settlement value can be obtained by collecting and processing the electric signal of the stay wire displacement sensor 210 through the collection device 100.

It should be noted that: in the scheme of the preferred embodiment, the ground surface settlement monitoring mechanism 200 is formed by matching a stay wire 220 and a stay wire displacement sensor 210; other sensors can be used for replacement, for example, a laser displacement sensor is adopted to be matched with a reflector, the laser displacement sensor is fixedly arranged at the top end of the sedimentation sleeve rod 420 (together with the acquisition equipment 100), the fixed reflector is processed at the top end of the fixed measuring rod 500, the sedimentation sleeve plate 400 is driven to be sedimentated together with the sedimentation sleeve rod 420 when sedimentation occurs at the ground surface, the acquisition equipment 100 fixed on the sedimentation sleeve rod 420 and the laser displacement sensor are sedimentated together, and the sedimentation is calculated by measuring the distance difference between the laser displacement sensor and the reflector each time; for another example, if the sedimentation sleeve plate 400 is provided with the sedimentation sleeve plate 400 with the magnetic ring 310 and the top end of the fixed measuring rod 500 is provided with the layered sedimentation sensor 320, the purpose of monitoring the relative displacement between the sedimentation sleeve plate 400 and the fixed measuring rod 500 can also be achieved. In summary, the structure and structure of the surface subsidence monitoring mechanism 200 can be adjusted by those skilled in the art, including but not limited to the above solution;

for the water level 50 monitoring section:

preferably, a water level gauge 700 electrically connected with the collecting apparatus 100 is further included; the water level gauge 700 is fixedly connected to the fixed measuring rod 500 and is positioned below the water level 50 inside the foundation; and the partial section of the stratified settlement casing 600 below the water level 50 is provided with a flow hole 611, so that the water flows into the stratified settlement casing 600 through the flow hole 611.

Wherein, the water level gauge 700 is connected with collection equipment 100 electricity, can carry out data acquisition, calculation, processing, analysis to the signal of telecommunication that water level gauge 700 transmitted through collection equipment 100 to with monitoring data remote sending to the high in the clouds monitoring platform carry out data analysis and management.

When the water level meter is used, water flows into the layered sedimentation sleeve 600 through the flow holes 611, and the water level meter 700 senses the change of the water level 50 to obtain a water level 50 value; the skilled person knows that: the water level gauge 700 will settle with the ground resulting in inaccurate water level 50 measurements; through the utility model discloses above-mentioned structure sets up, and water level gauge 700 fixed connection is on fixed measuring staff 500, because fixed measuring staff 500 is whole fixed unmovable monitoring, guarantees water level gauge 700's measurement accuracy. The problem of inaccurate measurement caused by the fact that the water level pipe and the water level gauge 700 are settled together due to soil body settlement in the automatic monitoring of the underground water level 50 of the existing foundation treatment project is solved.

Preferably, the layered settling sleeve 600 is coated with a filter cloth on the outside of the section where the flow holes 611 are located, so as to filter the water flowing into the layered settling sleeve 600 through the flow holes 611. Further preferably, the filter cloth is a reverse filter geotextile. So set up, avoid impurity to flow into in the layering subsides sleeve pipe 600 along rivers to influence water level gauge 700 work.

For the stratified sedimentation monitoring section:

preferably, the layered settlement sleeve 600 is externally sleeved with a plurality of magnetic rings 310 distributed at intervals. So set up, the settlement volume between different soft soil layer 30 intervals can be monitored to the regional difference of a plurality of magnetic rings 310 distribution.

Preferably, the magnetic ring 310 is a claw type settlement magnetic ring 310.

Preferably, the stratified settlement sleeve 600 comprises a number of subsections, including a first subsection 610 and a number of second subsections 620; the first sub-segment 610 is provided with a flow hole 611, and the plurality of magnetic rings 310 are correspondingly disposed on the second sub-segments 620. Preferably, the layered settlement sleeve 600 is formed by detachably and fixedly connecting the first sub-section 610 and a plurality of second sub-sections 620; the fixed measuring rod 500 is formed by detachably and fixedly connecting a plurality of sections.

With the arrangement, the layered settlement sleeve 600 is composed of a plurality of subsections, so that an operator can conveniently adjust the length of the layered settlement sleeve 600 according to actual conditions, and can conveniently adjust the positions of the magnetic ring 310 and the flow holes 611; similarly, the fixed measuring rod 500 is composed of a plurality of segments, so that the operator can adjust the length of the fixed measuring rod 500 according to actual conditions, and can adjust the positions of the water level gauge 700 and the layered settlement sensor 320, and the installation and the use are convenient.

Preferably, the joints of the sub-segments of the layered settlement sleeve 600 are connected by adopting concave-convex grooves and are fixed by self-tapping screws. When the magnetic ring is installed, the magnetic rings 310 are correspondingly sleeved outside the subsections according to the layered settlement monitoring position, the subsections of the layered settlement sleeve 600 are spliced and lengthened, the subsections are sleeved with the pipe and then fixed by self-tapping screws, and the joints are sealed by self-adhesive tapes

For the surface subsidence monitoring section:

preferably, the pull line 220 is composed of a steel wire rope 211 carried by the pull line displacement sensor 210 and an extension line 221. Further preferably, the extension line 221 is a steel strand extension line 221

When the device is used, the top end of the fixed measuring rod 500 is connected with the extension line 221, and the extension line 221 is tensioned and connected with the steel wire rope 211 of the stay wire displacement sensor 210; wherein, according to the measuring range requirement, the steel wire rope 211 of the stay wire displacement sensor 210 is pulled out to estimate the length of the surface settlement amount.

Preferably, the outer wall of the bottom end of the sedimentation sleeve rod 420 is provided with a wire hole 421, so that cables of the water level gauge 700 and the layered sedimentation sensor 320 are led out from the wire hole 421 and connected with the collection device 100.

During the installation, draw out water level gauge 700, layered settlement sensor 320's cable from line hole 421 and be connected with collection equipment 100, so set up, even make cable fixed mounting on subsiding loop bar 420, and can avoid the cable to pass from subsiding loop bar 420 upper portion, cause the influence to extension line 221 and wire rope 211, influence measurement.

Preferably, the bottom of the settling plate 400 is provided with an annular sleeve 410. Further preferably, the settlement sleeve plate 400 is a customized square steel plate structure, an inner hole is formed in the middle of the settlement sleeve plate, a galvanized steel pipe annular sleeve 410 with a certain length is welded and reserved at the bottom of the settlement sleeve plate, and a welded joint galvanized pipe is reserved at the top of the settlement sleeve plate.

When the sedimentation sleeve plate 400 is installed and installed in an embedded mode, the sedimentation sleeve plate 400 and the bottom annular sleeve 410 are sleeved outside the layered sedimentation sleeve 600 and embedded on the ground surface 10, the layered sedimentation sleeve 600 is inserted into the annular sleeve 410, and the fixed measuring rod 500 sequentially penetrates through the annular sleeve rod and the inner hole of the sedimentation sleeve plate 400 to extend out. With this arrangement, the installation stability of the layered settlement sleeve 600 and the settlement sleeve 400 can be improved. The fixed measuring rod 500 is flush with the top of the sedimentation sleeve plate 400 or exposed for a certain length, so that the fixed measuring rod 500 is conveniently connected with the pull wire 220;

preferably, the pull wire displacement sensor 210 and the collection device 100 are an integrated structure of the intelligent collection device 100.

So set up, during the installation, will act as go-between displacement sensor 210, layered settlement sensor 320 and the 700 cable of fluviograph all insert collection equipment 100 after, only need with the collection equipment 100 fixed mounting who integrates displacement sensor 210 that acts as go-between at the top of subsiding loop bar 420 for the device is whole more integrated compact, and is convenient for install and use.

Preferably, the settling sleeve rod 420 is formed by detachably splicing a plurality of sub-rods. So set up, the operator of being convenient for is adjusted according to actual demand and is subsided loop bar 420 length, facilitates the use.

In conjunction with the preferred embodiment of an integrated automatic monitoring device for surface sedimentation, stratified sedimentation and water level shown in fig. 1-3: the preferred embodiment of the automatic monitoring device integrating surface layer settlement, layered settlement and water level is adopted for monitoring, and the specific process is as follows:

step 1: drilling holes (namely, settling holes) in the foundation to embed the layered settling casing 600, wherein the drilling depth penetrates through the soft soil layer 30 to reach the position of the bedrock 40;

step 2: splicing and lengthening a plurality of second subsections 620 of the layered settlement sleeve 600, and sleeving a magnetic ring 310 outside the layered settlement sleeve 600 according to the layered settlement monitoring position; according to the height of the water level 50 and the installation position of the magnetic ring 310, selecting partial sections of the layered settlement sleeve 600 below the water level 50 as first subsections 610 which are provided with circulation holes 611 and externally wrapped with filter cloth;

and step 3: burying the layered settlement sleeve 600 in the soil inside the foundation, extending the layered settlement sleeve 600 until the bottom end of the layered settlement sleeve reaches the bedrock 40, and backfilling the dense settlement holes with clean fine sand after burying;

and 4, step 4: according to the position of the pre-buried magnetic ring 310, the layered settlement sensor 320 is fixedly arranged on the fixed measuring rod 500, so that the sensing area is positioned in the moving range of the magnetic ring 310; the water level gauge 700 is then fixedly mounted on the fixed measuring bar 500,

and 5: splicing and lengthening a plurality of sub-sections of the fixed measuring rod 500, putting the sub-sections into the layered settlement casing 600, and leading out cables of the layered settlement sensor 320 and the water level gauge 700; wherein, the top end of the fixed measuring rod 500 extends out of the foundation surface 10 and the top end pipe orifice of the layered settlement sleeve 600, and the prefabricated fixed protective cover 630 is installed at the top end pipe orifice of the layered settlement sleeve 600 to fix the fixed measuring rod 500, so as to prevent the fixed measuring rod 500 from shaking;

step 6: embedding a settlement sleeve plate 400: the sedimentation sleeve plate 400 and the bottom annular sleeve 410 are sleeved outside the layered sedimentation sleeve 600 and are embedded at the position of the ground surface 10; the settling sleeve plate 400 and the bottom annular sleeve 410 are sleeved outside the top end of the fixed measuring rod 500, and the fixed measuring rod 500 is flush with the top of the settling sleeve plate 400 or exposed for a certain length, so that the fixed measuring rod 500 is conveniently connected with the extension line 221; after the settling sleeve plate 400 is placed, the settling sleeve plate 400 is compacted by a sand bag, so that the settling sleeve plate 400 is ensured to be stable;

and 7: the top end of the fixed measuring rod 500 is connected with an extension line 221, cables of the layered settlement sensor 320 and the water level gauge 700 are led out from a wire hole 421, then the extension line 221 is tensioned and penetrates through the interior of the settlement sleeve rod 420 to be connected with the stay wire displacement sensor 210, wherein the steel wire rope 211 of the stay wire displacement sensor 210 is pulled out to estimate the length of settlement according to the measuring range requirement;

and 8: cables of the stay wire displacement sensor 210, the water level gauge 700 and the layered settlement sensor 320 are all connected to the acquisition equipment 100; in the preferred embodiment, the collecting device 100 and the pull wire displacement sensor 210 are integrated, and the collecting device 100 integrated with the displacement sensor is fixedly mounted on the top of the sedimentation sleeve rod 420; after the installation is finished, the position of the fixing structure is firmly fixed through the pulling and connecting structure 430;

and step 9: carrying out data induction monitoring:

in the process of stacking (namely, stacking is carried out on the upper surface of the sand cushion layer to form a stacking layer), when the ground surface 10 is settled, the settlement sleeve plate 400 is settled to drive the settlement sleeve rod 420, the acquisition equipment 100 and the stay wire displacement sensor 210 to settle together, relative displacement is generated between the stay wire displacement sensor 210 and the top end of the fixed measuring rod 500 to contract the stay wire 220, and the stay wire displacement sensor 210 senses the contraction amount of the stay wire 220 in real time to obtain a ground surface settlement value;

in the layered settlement automatic monitoring, the soil body in the foundation settles to drive the magnetic ring 310 sleeved outside the layered settlement sleeve 600 to move, relative displacement is generated between the settlement magnetic ring 310 and the layered settlement sensor 320, and the layered settlement sensor 320 senses the displacement in real time to obtain a layered settlement value;

the water level gauge 700 senses the water level 50 variation in real time to obtain the water level 50 value. The electric signals of the stay wire displacement sensor 210, the layered settlement sensor 320 and the water level meter 700 are all transmitted to the acquisition equipment 100, data acquisition, calculation, processing and analysis are all performed through the acquisition equipment 100, and the monitoring data are remotely transmitted to the cloud monitoring platform for data analysis and management.

In the monitoring method, in the process of stacking, a protective pipe (stainless steel or PVC pipe) is preferably sleeved outside the layered settlement sleeve 600, the bottom of the protective pipe is inserted into a soil layer for at least 1m and is surrounded by a sand bag, and meanwhile, the pulling and fixing work of the protective pipe is well done; wherein, the cables and the protection pipes for fixing the measuring rod 500, the layered settlement sensor 320 and the water level gauge 700 are stacked and connected to the ground surface in sections.

In summary, the following steps: the utility model provides a pair of top layer subsides, the layering subsides and the automatic monitoring devices of water level integration, has following beneficial effect:

1) The structure is simple, and the manufacturing cost is low; the operation is convenient and quick during embedding, and the efficiency is high;

2) The system has an integrated monitoring function, can monitor earth surface settlement and layered settlement, can also monitor water level 50, solves the problem that the earth surface settlement, the layered settlement and the water level monitoring need to be drilled and buried independently, improves the efficiency and saves the drilling cost;

3) When the existing monitoring device is independently buried in surface settlement, the fixed measuring rod 500 needs to be sleeved with a protection pipe so as to avoid the fixed measuring rod 500 from being influenced by extrusion, holding, dragging and the like caused by soil body settlement, and inaccurate measured value is caused; and the utility model discloses directly utilize the fixed measuring staff 500 of layering settlement test usefulness as the motionless fixed measuring staff 500 of surperficial settlement monitoring, the outside cover of fixed measuring staff 500 has the layering to subside sleeve pipe 600, need not other overcoat protection tube, ensures to measure accurate reliable when save material.

4) The three-in-one multifunctional monitoring device reduces the protection workload while saving materials, and solves the problems of high protection difficulty, high protection workload, fussy operation and high cost of protection measures when each index needs to be monitored independently.

5) The water level gauge 700 is fixedly connected to the fixed measuring rod 500, and the fixed measuring rod 500 is fixed and immovable in the whole monitoring process, so that the measuring accuracy of the water level gauge 700 is guaranteed, and the problem that in the automatic monitoring of the underground water level 50 in the existing foundation treatment engineering, the water level pipe and the water level gauge 700 are settled together due to soil body settlement to cause inaccurate measurement is solved.

In addition, it will be appreciated by those skilled in the art that although a number of problems exist in the prior art, each embodiment or aspect of the present invention may be improved only in one or a few aspects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.

Although terms such as fixed measuring staff, layered settlement casings, settlement sleeve plates etc. are used more often in this text, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims (10)

1. The utility model provides a top layer subsides, layering subsides and water level integration automatic monitoring device which characterized in that: the device comprises a fixed measuring rod (500), a layered settlement sleeve (600) sleeved outside the fixed measuring rod (500), a settlement sleeve plate (400) embedded in the surface (10) of the foundation, a layered settlement monitoring mechanism (300) and a ground surface settlement monitoring mechanism (200);

the fixed measuring rod (500) is fixedly embedded in the foundation, the top end of the fixed measuring rod extends out of the surface of the foundation, the ground surface settlement monitoring mechanism (200) is fixedly connected to the top of the settlement sleeve plate (400) so as to drive the settlement sleeve plate (400) to move after the settlement sleeve plate sinks, and the ground surface settlement monitoring mechanism (200) is used for monitoring the relative displacement of the settlement sleeve plate (400) and the fixed measuring rod (500);

the layered settlement monitoring mechanism (300) comprises a magnetic ring (310) and a layered settlement sensor (320) fixedly connected to the fixed measuring rod (500), the layered settlement sleeve (600) is fixedly embedded in the foundation, the magnetic ring (310) is sleeved outside the layered settlement sleeve, so that the magnetic ring (310) is driven to move by the inner portion of the foundation sinking, and the layered settlement sensor (320) is used for sensing the moving distance of the magnetic ring (310);

the top end of the fixed measuring rod (500) extends out of the top end pipe orifice of the layered settlement sleeve (600), and the top end pipe orifice of the layered settlement sleeve (600) is provided with a fixed protective cover (630) for fixing the fixed measuring rod (500).

2. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 1, which is characterized in that: further comprising an acquisition device (100);

the layered settlement sensor (320) and the ground surface settlement monitoring mechanism (200) are electrically connected with the acquisition equipment (100).

3. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 2, wherein: the ground surface settlement monitoring mechanism (200) comprises a stay wire (220) and a stay wire displacement sensor (210);

a sedimentation sleeve rod (420) is fixedly connected above the sedimentation sleeve plate (400), and the acquisition equipment (100) and the stay wire displacement sensor (210) are fixedly arranged at the top end of the sedimentation sleeve rod (420);

fixed measuring staff (500) are followed and are stretched into down the hole that subsides loop bar (420) and subside in sleevelet (400) hole, and its top is connected through taut stay wire (220) with displacement sensor (210) of acting as go-between, so that subside sleevelet (400) and sink and drive stay wire displacement sensor (210) and sink the back, stay wire (220) produce the shrink.

4. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 2, wherein: the water level meter (700) is electrically connected with the acquisition equipment (100);

the water level gauge (700) is fixedly connected to the fixed measuring rod (500) and is positioned below the water level (50) in the foundation; and the partial section of the layered sedimentation sleeve (600) below the water level (50) is provided with a through hole (611), so that water flows into the layered sedimentation sleeve (600) through the through hole (611).

5. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 1, which is characterized in that: the layered settlement sleeve (600) is coated with filter cloth on the outer part of the partial section where the flow holes (611) are located, and is used for filtering water flow flowing into the layered settlement sleeve (600) through the flow holes (611).

6. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 1, which is characterized in that: the layered settlement sleeve (600) is externally sleeved with a plurality of magnetic rings (310) which are distributed at intervals.

7. The surface layer sedimentation, layered sedimentation and water level integrated automatic monitoring device according to claim 3, characterized in that: the layered sedimentation casing (600) comprising a number of sub-sections, the sub-sections comprising a first sub-section (610) and a number of second sub-sections (620); the first sub-segment (610) is provided with a circulation hole (611), and the plurality of magnetic rings (310) are correspondingly arranged on the second sub-segments (620) respectively.

8. The integrated automatic surface sedimentation, stratified sedimentation and water level monitoring device according to claim 7, wherein: the layered settlement sleeve (600) is formed by detachably and fixedly connecting the first sub-section (610) and a plurality of sections of second sub-sections (620);

the fixed measuring rod (500) is formed by detachably and fixedly connecting a plurality of sections.

9. The integrated automatic monitoring device for surface layer settlement, stratified settlement and water level of claim 3, wherein: and the outer wall of the bottom end of the sedimentation sleeve rod (420) is provided with a wire hole (421) for leading out cables of the water level meter (700) and the layered sedimentation sensor (320) from the wire hole (421) and connecting the cables with the acquisition equipment (100).

10. The surface layer sedimentation, layered sedimentation and water level integrated automatic monitoring device according to claim 1, characterized in that: the bottom of the sedimentation sleeve plate (400) is provided with an annular sleeve (410).

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