CN212835321U - Settlement plate connecting rod limiting and soil pressure cell wire leading-out device - Google Patents
Settlement plate connecting rod limiting and soil pressure cell wire leading-out device Download PDFInfo
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- CN212835321U CN212835321U CN202020887937.6U CN202020887937U CN212835321U CN 212835321 U CN212835321 U CN 212835321U CN 202020887937 U CN202020887937 U CN 202020887937U CN 212835321 U CN212835321 U CN 212835321U
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Abstract
The utility model provides a subside spacing and soil pressure cell wire extraction element of board connecting rod belongs to the relevant technical field of geotechnical engineering, solves how to be under construction and the accurate convenient problem of monitoring subsiding and stress to high filler depth level, multifaceted behind the worker. Including subsiding board and soil pressure cell, the central department of subsiding board is the head rod, the external sleeve pipe draw-in groove of head rod, adopt the muffjoint second connecting rod on the head rod, in the sleeve pipe draw-in groove, the first PVC outer tube of connecting rod peripheral installation, soil pressure cell buries underground in subsiding board one side, soil pressure cell wire penetrates the connecting rod inside and wears out from the connecting rod top from second wire guide and first wire guide, can dismantle the trip in the installation of first PVC outer tube top before the soil body is filled, the antifriction bearing inscription connecting rod of trip, can dismantle the chi pad and install in second connecting rod top. This device is rational in infrastructure, and simple manufacture when guaranteeing to fill the straightness that hangs down of in-process settlement plate connecting rod, can effectively protect soil pressure cell wire, reduces soil pressure cell's failure rate, provides the guarantee for the accurate monitoring of the layered settlement of high packing body and stress.
Description
Technical Field
The utility model belongs to the technical field of geotechnical engineering is relevant, a field test device is related to, especially a subside spacing and soil pressure cell wire draw-out device of board connecting rod.
Background
With the rapid development of national economy and the construction of large-scale infrastructure for expanding internal demand, the transportation industry has made great progress and development, and especially in western regions, the transportation industry is limited by the topographic conditions of hilly gullies, and a large number of high-fill airports, roadbeds and other projects are built successively. As is known, the settlement of high-fill bodies is always a technical problem which besets such engineering, corresponding engineering analogy cases are lacked in the design, and the in-situ monitoring is the most effective way for accumulating experiences and acquiring data.
At present, the monitoring of the settlement deformation of the high fill body at home and abroad is mostly concentrated on the settlement of the ground surface or shallow layer after construction, the settlement problem of the high fill engineering becomes more complicated due to the layering and the non-uniformity of the soil body in the filling process, and the development of the layered settlement and the layered stress monitoring is a main mode for solving the problem. At present, settlement and stress tests in filling engineering mostly adopt settlement plates and soil pressure cells, and how to ensure the perpendicularity of the connecting rods of the settlement plates in the filling construction process is the key point for ensuring the accuracy of settlement monitoring results. Meanwhile, in the process of testing the layered stress of the filled soil by adopting the soil pressure cell, how to lead out the lead of the soil pressure cell is ensured, the lead is not damaged, the damage rate of the soil pressure cell is reduced, and the method is an important link to be considered in the process of burying the soil pressure cell.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a subside spacing and soil pressure cell wire draw-off device of board connecting rod, the technical problem that the device will solve is: how to accurately and conveniently monitor the settlement and stress of deep layers and multiple layers of high-fill bodies in multiple stages after construction and construction.
The purpose of the utility model can be realized by the following technical proposal:
a device for limiting a connecting rod of a settlement plate and leading out a lead of a soil pressure cell comprises the settlement plate, wherein a first connecting rod is welded at the center of the settlement plate, a sleeve clamping groove is fixed at the periphery of the first connecting rod closely attached to the settlement plate, the first connecting rod is hollow, is provided with threads at the upper end, is reserved with a first lead hole structure in the middle, is connected with a second connecting rod through a sleeve, is hollow, is provided with threads at two ends, is used for installing a first PVC outer sleeve with the diameter larger than the diameter (at least 3cm) of the connecting rod in the sleeve clamping groove through the connecting rod, is reserved with a second lead hole which is flush with the first lead hole, is connected with a second PVC outer sleeve through a straight joint, is installed in sections, is repeatedly connected with the second connecting rod and the second PVC outer sleeve when a soil body is filled to be 20cm below the top of the PVC outer sleeve, and is provided with a detachable clamping tenon at the top of the PVC outer sleeve after each, demolish the trip during installation next time, until exceeding design elevation 50cm, when the measurement subsides after filling period and worker, will dismantle the chi pad and install on second connecting rod top, adopt the surveyor's level monitoring to subside and warp, can dismantle the chi pad and include the cross, increase weight section, backup pad, reserve the metallic channel in the backup pad, bury soil pressure cell underground in subsider one side, the soil pressure cell wire passes second wire hole, first wire hole and prolongs the connecting rod inside and wear out to the top, and the wire is drawn forth from the metallic channel that can dismantle reservation in the chi pad backup pad during measurement.
The utility model discloses a theory of operation: subside board, soil pressure cell are buried underground at the aspect of planning monitoring packing body subside and stress, and sleeve pipe draw-in groove can be reliable fixed connection pole again with can dismantling the trip when effective location PVC outer tube, wear out soil pressure cell wire from the connecting rod is inside, prevents that the soil body from filling, the compaction in-process from damaging the wire, and the PVC outer tube can eliminate the influence of soil body side frictional resistance to the connecting rod, guarantees that the board that subsides freely takes place the displacement. And the elevation of each layer of the second connecting rod is used as an initial elevation, the difference value between the initial elevation and the elevation in the next measurement is used as the settlement of the soil body, the settlement is accumulated until the monitoring task is finished, and the stress change of the soil body under each working condition and after work is monitored in real time through the soil pressure cell.
The settlement plate is a square steel plate; the sleeve clamp groove is closely welded with the settlement plate, and a clamp groove matched with the PVC outer sleeve in size is reserved in the middle; the clamping tenon is of a detachable structure and is divided into a rolling bearing and a clamping tenon groove, and the clamping tenon groove is matched with the PVC outer sleeve in size.
By adopting the structure, the steel settlement plate has high strength and rigidity and is not easy to be disturbed by construction; the PVC outer sleeve and the connecting rod can be effectively positioned by the sleeve clamping groove and the clamping tenon, the dislocation is prevented when soil is filled and compacted so as to be in contact with the internal connecting rod, the free displacement of the sedimentation plate is influenced, the rolling bearing in the clamping tenon is convenient to install and disassemble and easy to move up and down, and soil filling and sundries can be prevented from falling into the construction process.
The first connecting rod is hollow, is provided with threads at the upper end, is provided with a first wire hole structure in the middle part, and is welded in the sleeve clamping groove and in the center of the settlement plate; the second connecting rod is hollow, both ends are threaded, and head rod, second connecting rod pass through muffjoint, promote along with the filling height, and the second connecting rod of reconnection.
By adopting the structure, the lead of the soil pressure cell can penetrate out of the hollow connecting rod and at least exceeds the designed elevation by 2m, so that the lead waste caused by leading out of a filling body side slope in the conventional horizontal laying of the lead is avoided, the mechanical back-and-forth rolling can be prevented, the survival rate of the soil pressure cell is fully ensured, the time consumed by later-stage testing is reduced, and the safety is ensured; the connecting rod adopts the merogenesis installation form, can effectively avoid the integral type to be difficult to the operation when being convenient for measure, and occupation space is big shortcoming.
And a second wire hole which is flush with the first wire hole is reserved in the first PVC outer sleeve, the first PVC outer sleeve is connected with the second PVC outer sleeve through a straight-through joint, and the inner diameter of the PVC outer sleeve is at least 3cm larger than the outer diameter of the connecting rod.
By adopting the structure, a void structure is formed between the soil body and the connecting rod, and the phenomenon that the side friction generated by the direct action of the soil body and the connecting rod influences the free displacement of the sedimentation plate is avoided.
The detachable ruler pad comprises a cross wire, a weight increasing section and a supporting plate, wherein the diameter of the supporting plate is larger than the outer diameter of the connecting rod by 1cm, and a wire guide groove is reserved.
Structure more than adopting, the monitoring of the settlement of the filling body in the construction stage receives disturbance factor many, and hollow connecting rod can not directly found the chi, can dismantle the ruler pad and only need place it on the connecting rod top when measuring at every turn, and the section of increasing weight through inserting in the connecting rod remains stable, and the ruler pad direct placement in the connecting rod top can be dismantled in the great backup pad of diameter, and the soil pressure cell wire can be followed the wire casing and drawn forth and need not to remove.
The soil pressure cell is buried in one side of the settlement plate, and the wire penetrates through the second wire hole and the first wire hole in sequence and penetrates out of the first connecting rod and the second connecting rod.
By adopting the structure, the in-situ data is obtained by monitoring the stress change in the filled soil, and the accuracy is incomparable with other modes.
Compared with the prior art, the device for limiting the connecting rod of the settlement plate and leading out the lead of the soil pressure cell has the advantages that:
the device has reasonable structure, simple manufacture, economy, practicability and wide application; the method comprises the following steps of monitoring the deep-level and multi-level settlement and stress change of a high filling body in multiple stages by adopting a settlement plate and soil pressure cell composite structure after construction and construction, and acquiring in-situ and accurate data; the sleeve clamping groove, the clamping tenon fixed connecting rod and the PVC outer sleeve are adopted, so that the PVC sleeve is stable and reliable and is easy to install; the PVC outer sleeve is used for eliminating the side frictional resistance of the connecting rod, so that the settling plate is in a free state, and the lead of the soil pressure cell penetrates out of the connecting rod, thereby effectively avoiding construction disturbance, ensuring the survival rate and facilitating installation and data acquisition; the detachable ruler pad is convenient to detach and install and convenient to accurately measure.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a settling plate and a soil pressure cell of the present invention;
FIG. 3 is a schematic view of the connection between the first connecting rod and the second connecting rod of the present invention;
FIG. 4 is a schematic structural view of a first section of the present invention;
FIG. 5 is a schematic structural view of a middle sleeve clamping groove of the present invention;
FIG. 6 is a schematic view of the detachable blade pad of the present invention;
fig. 7 is a schematic view of the middle tenon structure of the present invention.
In the figure: 101-settling plate, 201-soil pressure cell, 301-sleeve groove, 302-groove, 303-opening hole, 401-first connecting rod, 402-first wire hole, 501-sleeve, 601-second connecting rod, 701-first PVC outer sleeve, 702-second wire hole, 703-second PVC outer sleeve, 704-straight joint, 801-trip, 802-trip groove, 803-rolling bearing, 901-detachable ruler pad, 902-supporting plate, 903-cross wire, 904-weight increasing section and 905-wire groove.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "horizontal," "top," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the patent and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the patent.
In the description of this patent, it is noted that the terms "mounted" and "connected," unless expressly specified or limited otherwise, are intended to be inclusive and mean, for example, that they may be fixedly connected, mounted, detachably connected, mounted, or integrally connected and mounted. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-7, the present embodiment provides a device for limiting a connection rod of a settlement plate and leading out a lead of a soil pressure cell, which includes a settlement plate (101), a soil pressure cell (201), a casing clamp groove (301), a tenon (801), a first connection rod (401), a second connection rod (601), a first PVC outer casing (701), a second PVC outer casing (703), and a detachable ruler pad (901). In the embodiment, a first connecting rod (401) and a sleeve clamping groove (301) externally connected with the first connecting rod (401) are arranged at the center of a settlement plate (101), the first connecting rod (401) is welded, a sleeve (501) is connected with a second connecting rod (601) on the first connecting rod (401), a first PVC outer sleeve (701) is arranged in the sleeve clamping groove (301) and on the periphery of the connecting rod, a soil pressure box (201) is buried at one side of the settlement plate (101), a lead penetrates into the connecting rod from a second lead hole (702) and a first lead hole (402) and penetrates out from the top end of the connecting rod, after the structure is installed, a detachable tenon (801) is arranged at the top end of the first PVC outer sleeve (701) before soil body filling, a rolling bearing (803) of the tenon (801) is internally connected with the connecting rod, a PVC outer sleeve is internally connected with a tenon groove (802), a detachable ruler pad (901) is, the method comprises the steps of collecting initial data of a soil pressure box (201), collecting data for the second time when soil is filled to 20cm below the top end of a first PVC outer sleeve (701), detaching a tenon (801) and a ruler pad (901), starting to connect a second connecting rod (601) and a second PVC outer sleeve (703), installing the tenon (801) and the ruler pad (901), and collecting data sequentially until the data exceed the designed elevation by 50 cm. In this embodiment, the soil pressure cell (201) is the prior art and can be purchased and used directly.
On the aspect of soil body settlement and stress to be monitored, the earth surface is cleaned after positioning, a leveling rod is adopted for leveling, a settlement plate (101) is installed, the levelness of the settlement plate (101) is checked again, the ground is ensured to be horizontally attached to the settlement plate (101), and no gap can be reserved. When the soil body subsides, the settlement plate (101) can be along with the displacement of soil body emergence simultaneously. The first connecting rod (401) and the sleeve clamping groove (301) are welded in the center of the settling plate (101) in a prefabricated mode.
Connect first connecting rod (401), second connecting rod (601) through sleeve (501), for guaranteeing to connect reliably between the connecting rod, should adopt breakout tongs or torque wrench, should inspect the straightness that hangs down of structure after connecting, guarantee that the connecting rod is perpendicular in order to avoid influencing measurement accuracy.
A first PVC outer sleeve (701) is installed in a clamping groove (302) of a sleeve clamping groove (301), a joint is brushed with sealant to prevent the joint from being disturbed and separated in construction, a second wire hole (702) reserved in the first PVC outer sleeve (701) is horizontally aligned with a first wire hole (402) in a first connecting rod (401), and a wire lead of a soil pressure cell (201) is facilitated. After the first PVC outer sleeve (701) is installed, the verticality of the first PVC outer sleeve (701) is checked, at least a 1.5cm gap is reserved between the inner wall of the first PVC outer sleeve and the outer wall of the connecting rod, and after the structure is ensured to be stably and reliably installed, the tenon (801) is installed at the top end of the first PVC outer sleeve (701).
Cleaning one side of the settlement plate (101), leveling and sanding, installing the soil pressure box (201), checking the performance of the soil pressure box (201) before installation to ensure normal use, penetrating a wire into the connecting rod through the second wire hole (702) and the first wire hole (402), penetrating the wire out from the top end and filling the wire into the waterproof containing bag; a lead with enough length is reserved outside the lead hole to ensure that the soil pressure box (201) is not dragged when the sedimentation plate (101) is sedimented; the total length of the lead wire should exceed the designed elevation of the filling body by at least 2m, and the lead wire is not suitable for midway wiring.
A detachable ruler pad (901) is installed at the top end of a first connecting rod, a leveling instrument is adopted to measure and record an initial elevation H1, and the initial reading of the soil pressure box (201) is collected; after measurement, the detachable ruler pad (901) is detached, and the pipe orifice of the connecting rod is sealed by an adhesive tape, so that filling soil and sundries are prevented from entering.
When the soil body is filled and the height of the structure is required to be closely paid attention to the perpendicularity in the filling process, when the soil body is filled and reaches 20cm below the top end of the first PVC outer sleeve (701), the tenon (801) is detached, the second connecting rod (601) and the second PVC outer sleeve (703) are connected, the tenon (801) and the detachable ruler pad (901) are installed again, and the initial elevation H2 is obtained; and setting soil body settlement and stress monitoring frequency according to the requirement of the test.
And repeating the operation processes in sequence until the filling height of the soil body reaches the designed elevation, wherein the PVC outer sleeve is at least 50cm higher than the ground.
The utility model discloses a theory of operation: burying a settlement plate (101) and a soil pressure box (201) at the surface of the filling body settlement and stress to be monitored, and connecting a first connecting rod (401), a second connecting rod (601), a first PVC outer sleeve (701) and a second PVC outer sleeve (703) until the soil body is filled to a designed elevation; when sleeve pipe draw-in groove (301) and can dismantle trip (801) can effective positioning PVC outer tube, can lean on fixed connection pole, wear out soil pressure cell (201) wire from the connecting rod is inside to prevent that the soil body from filling, the compaction in-process is damaged, the influence of soil body side frictional resistance to the connecting rod can be eliminated to the PVC outer tube, guarantee that settlement plate (101) freely takes place the displacement, the elevation of using every layer of installation second connecting rod (601) is initial elevation, the elevation difference when measuring next is the soil body settlement volume, the settlement volume is accumulated until the end of monitoring task, soil body stress variation monitors often through soil pressure cell (201) behind each operating mode and the worker.
In conclusion, the device has reasonable structure, simple manufacture, economy, practicability and wide application; monitoring the sedimentation and stress change of the high-filling body by adopting a composite structure of a sedimentation plate and a soil pressure box, and acquiring in-situ and accurate data; the sleeve clamping groove, the clamping tenon fixed connecting rod and the PVC outer sleeve are adopted, so that the PVC sleeve is stable and reliable and is easy to install; the side frictional resistance of the connecting rod is eliminated through the PVC outer sleeve, so that the settling plate is in a free state, and a wire of the soil pressure cell penetrates out of the connecting rod, thereby effectively avoiding construction disturbance and ensuring the survival rate; the detachable ruler pad is convenient to detach and install and convenient to accurately measure.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. A settlement plate connecting rod limiting and soil pressure box lead-out device comprises a settlement plate (101), a soil pressure box (201), a sleeve clamping groove (301), a tenon (801), a first connecting rod (401), a second connecting rod (601), a first PVC outer sleeve (701), a second PVC outer sleeve (703) and a detachable ruler pad (901), wherein the center of the settlement plate (101) is provided with the first connecting rod (401), the first connecting rod (401) penetrates through a hole (303) to be externally connected with the sleeve clamping groove (301), the first connecting rod (401) is connected with the second connecting rod (601) through a sleeve (501), the first PVC outer sleeve (701) is arranged in the sleeve clamping groove (301) and on the periphery of the connecting rod, the soil pressure box (201) is embedded at one side of the settlement plate (101), a lead penetrates into the connecting rod from a second lead hole (702) and a first lead hole (402) and penetrates out from the top end of the connecting rod, the tenon (801) is arranged at the top end of the first PVC outer sleeve (, the rolling bearing (803) of the clamping tenon (801) is internally connected with a connecting rod, and the detachable ruler pad (901) is installed at the top end of the second connecting rod.
2. The device for limiting the connecting rod of the settlement plate and leading out the lead of the soil pressure cell as claimed in claim 1, wherein the settlement plate (101) is a square steel plate; the sleeve clamping groove (301) is closely welded with the settlement plate (101), a clamping groove (302) matched with the PVC outer sleeve in size is reserved in the middle, and the clamping groove can penetrate through the opening (303) of the connecting rod; the clamping tenon (801) is of a detachable structure and is divided into a rolling bearing (803) and a clamping tenon groove (802), and the clamping tenon groove (802) is matched with the PVC outer sleeve in size.
3. The device for limiting the connecting rod of the settlement plate and leading out the lead of the soil pressure cell as claimed in claim 1, wherein the first connecting rod (401) is hollow, has a thread at the upper end and is provided with a first lead hole (402) at the middle part, and the first connecting rod (401) is in full-circle welding with the settlement plate (101) and the open hole (303) of the sleeve clamping groove (301); the second connecting rod (601) is hollow, two ends of the second connecting rod are provided with thread structures, the first connecting rod and the second connecting rod are connected through the sleeve (501), and the second connecting rod (601) is repeatedly connected along with the lifting of the filling height.
4. The device for limiting the connecting rod of the settlement plate and leading out the lead of the earth pressure cell as claimed in claim 1, wherein the first PVC outer sleeve (701) is reserved with a second lead hole (702) which is flush with the first lead hole (402), and is connected with the second PVC outer sleeve (703) through a through joint (704), and the inner diameter of the PVC outer sleeve is at least 3cm larger than the outer diameter of the connecting rod.
5. The device for limiting the connecting rod of the settlement plate and leading out the lead of the soil pressure cell as claimed in claim 1, wherein the detachable ruler pad (901) comprises a cross wire (903), a weight increasing section (904) and a supporting plate (902), the diameter of the supporting plate (902) is larger than the outer diameter of the connecting rod by 1cm, and a lead groove (905) is reserved.
6. The device for limiting the connecting rod of the settlement plate and leading out the lead of the soil pressure cell as claimed in claim 1, wherein the soil pressure cell (201) is buried at one side of the settlement plate (101), and the lead sequentially penetrates through the second lead hole (702) and the first lead hole (402) and penetrates out from the top ends of the first connecting rod (401) and the second connecting rod (601).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887937.6U CN212835321U (en) | 2020-05-25 | 2020-05-25 | Settlement plate connecting rod limiting and soil pressure cell wire leading-out device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020887937.6U CN212835321U (en) | 2020-05-25 | 2020-05-25 | Settlement plate connecting rod limiting and soil pressure cell wire leading-out device |
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| CN212835321U true CN212835321U (en) | 2021-03-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561924A (en) * | 2022-02-28 | 2022-05-31 | 烟台帝峰信息技术有限公司 | Sedimentation monitoring and mapping device and mapping method thereof |
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2020
- 2020-05-25 CN CN202020887937.6U patent/CN212835321U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561924A (en) * | 2022-02-28 | 2022-05-31 | 烟台帝峰信息技术有限公司 | Sedimentation monitoring and mapping device and mapping method thereof |
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