CN212539144U - Ground settlement measuring probe, probe assembly and device - Google Patents
Ground settlement measuring probe, probe assembly and device Download PDFInfo
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- CN212539144U CN212539144U CN202020922619.9U CN202020922619U CN212539144U CN 212539144 U CN212539144 U CN 212539144U CN 202020922619 U CN202020922619 U CN 202020922619U CN 212539144 U CN212539144 U CN 212539144U
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Abstract
The utility model discloses a ground settlement measuring probe, probe assembly, device, ground settlement measuring probe includes that the level is placed and horizontal migration's probe rod, is detected the slope detection part and the drive of the horizontal slope degree of probe rod horizontal migration's drive part. The utility model discloses a ground settlement measurement probe, probe unit, device can measure the settlement of ground along the horizontal direction fast and high-efficiently.
Description
Technical Field
The utility model relates to a ground body measures technical field, concretely relates to ground settlement measuring probe, probe assembly, device.
Background
At present, with the development of Chinese economy, road construction including rail transit is accelerated, and the conditions of large-scale cracking of a road surface and the like are more caused by uneven settlement of a roadbed due to poor filling soil quality of the roadbed of the road or poor construction control and the like. Therefore, monitoring the settlement of the roadbed is an urgent problem to be solved.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists now, the embodiment of the utility model provides an expectation provides a ground settlement measuring probe, probe assembly, device, can quick, high-efficient measurement ground subside.
In order to achieve the above object, the embodiment of the present invention provides a technical solution that:
in a first aspect, the embodiment of the utility model provides a ground settlement measuring probe, ground settlement measuring probe includes that the level is placed and horizontal migration's probe rod, is detected the slope detection part and the drive of the horizontal slope degree of probe rod horizontal migration's drive part.
In the above scheme, the driving part includes a horizontally disposed rotating shaft and a power part for driving the rotating shaft to rotate, the rotating shaft rotates relative to the power part, and the power part and the rotating shaft move in an axial direction in a correlated manner; the rotating shaft is sleeved with a stud, and the stud and the rotating shaft rotate in a circumferential direction in a correlation manner; the outer circular surface of the stud is provided with a transmission external thread; the probe rod is fixed to the power portion, and the inclination detection part is fixed to the probe rod.
In the above scheme, the driving part is a motor, the motor includes a motor body and an output shaft, the motor body is the power part, and the output shaft is the rotating shaft; one end of the motor body is connected with the output shaft, and the other end of the motor body is fixed with the probe rod.
In a second aspect, the present invention provides a rock-soil settlement measuring probe assembly, which includes a horizontally disposed conduit fixed in rock-soil and a measuring probe horizontally moving in the conduit, wherein the measuring probe is any one of the rock-soil settlement measuring probes described above; and the inner wall of the guide pipe is provided with a transmission internal thread matched with the transmission external thread.
In the above scheme, the probe is fixed with a guide wheel abutting against the inner wall of the guide tube, and the inner wall of the guide tube is provided with an axially extending guide groove matched with the guide wheel.
In the above scheme, the conduit comprises at least two conduit monomers connected end to end, and the conduit further comprises a connecting sleeve connecting two adjacent conduit monomers, and the connecting sleeve is sleeved on two adjacent conduit monomers; the inner wall of the connecting sleeve is provided with a positioning strip which extends axially, and the outer wall of the catheter monomer is provided with a positioning groove matched with the positioning strip.
In a third aspect, the embodiment of the present invention provides a rock-soil settlement measuring device, which includes any one of the above-mentioned rock-soil settlement measuring probe assemblies, a data processing component for processing data of the probe assembly, and a control component for controlling movement of the probe assembly; the data processing component and the control component are both electrically connected with the probe assembly.
The embodiment of the utility model provides a ground settlement measuring probe, probe subassembly, device, ground settlement measuring probe includes horizontal placement and horizontally moving probe rod, detects the slope detection part of the horizontal degree of slope of probe rod and drives the drive part of probe rod horizontal movement; it is visible, the utility model discloses measurement probe, probe assembly, device are subsided to ground through drive part drive probe rod horizontal migration in the ground to measure the horizontal slope degree of probe rod, can measure the subsidence of ground along the horizontal direction fast and high-efficiently.
Other beneficial effects of the embodiment of the present invention will be further explained in conjunction with the specific technical solution in the detailed description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It should be understood that the drawings described below are only a part of the drawings of the embodiments of the present invention, and that other drawings may be obtained by those skilled in the art without inventive effort.
Fig. 1 is a schematic view of a rock-soil settlement measuring device according to an embodiment of the present invention;
FIG. 2 is a schematic view of a measuring probe in the rock-soil settlement measuring device according to the embodiment of the present invention;
FIG. 3 is a schematic view of a single conduit in the rock-soil settlement measuring device according to an embodiment of the present invention;
fig. 4 is a schematic view of a connecting sleeve in the rock-soil settlement measuring device according to the embodiment of the present invention;
fig. 5 is a schematic flow chart of a measuring method of the rock-soil settlement measuring device according to the embodiment of the present invention.
Detailed Description
In geotechnical engineering practice, the horizontal displacement of a rock-soil body is mostly required to be measured along the depth direction (hereinafter referred to as inclination measurement). However, in recent years, a demand for measuring vertical settlement of rock and soil mass along a horizontal direction (hereinafter referred to as deflection measurement) also arises, for example, in the process of filling a high fill embankment, the vertical settlement of the soil mass at the bottom of the embankment needs to be measured along the cross section of the embankment; if the tunnel portal section is used for advanced pipe shed support, the vertical settlement of the tunnel portal section needs to be measured along the longitudinal direction of the pipe shed.
But the inclination is measured along the depth direction, and the probe can be conveniently lowered or pulled up under the action of self weight; the key point of the horizontal deflection measurement is that the probe is required to provide larger pushing force or pulling force to advance or retreat in the pipe, and then the vertical settlement of each measuring point is calculated by measuring the included angle between the probe and the horizontal direction. Therefore, the dynamic problem of horizontal deflection is a technical problem to be solved.
To the above problem, the embodiment of the utility model provides a ground settlement measuring probe, ground settlement measuring probe includes that the level is placed and horizontal migration's probe rod, is detected the slope detection part and the drive of the horizontal slope degree of probe rod horizontal migration's drive part.
The utility model discloses ground settlement measuring probe through drive part drive probe rod horizontal migration in the ground to measure the horizontal slope degree of probe rod, can follow the settlement of horizontal direction measurement ground fast high-efficiently.
In other embodiments of the present invention, the driving component includes a rotating shaft horizontally disposed and a power portion for driving the rotating shaft to rotate, the rotating shaft rotates relative to the power portion, and the power portion and the rotating shaft move in an axial direction; the rotating shaft is sleeved with a stud, and the stud and the rotating shaft rotate in a circumferential direction in a correlation manner; the outer circular surface of the stud is provided with a transmission external thread; the probe rod is fixed to the power portion, and the inclination detection part is fixed to the probe rod. Therefore, the purpose of linear movement can be achieved through rotation, the structure is simple, the cost is low, the accuracy of the track of the linear movement is high, the movement distance is not limited, and the linear movement device is a better implementation mode.
The fact that the power part and the rotating shaft move in an axial direction in a correlated manner means that the rotating shaft moves in the axial direction, and the power part also necessarily moves along with the axial direction. The fact that the stud and the rotating shaft rotate in a circumferential direction in a correlated mode means that the rotating shaft rotates in the circumferential direction under the driving of the power part, and the stud necessarily rotates along with the circumferential direction.
In other embodiments of the present invention, the driving part is a motor, the motor includes a motor body and an output shaft, the motor body is the power portion, and the output shaft is the rotating shaft; one end of the motor body is connected with the output shaft, and the other end of the motor body is fixed with the probe rod. The motor is a widely used driving part, has simple structure, low energy consumption and reliable work, and is a better implementation mode.
The embodiment of the utility model also provides a ground settlement measuring probe subassembly, the probe subassembly includes the pipe of horizontal placement that is fixed in ground and the measuring probe of horizontal migration in the pipe, the measuring probe is above-mentioned arbitrary ground settlement measuring probe; and the inner wall of the guide pipe is provided with a transmission internal thread matched with the transmission external thread.
Therefore, as the inner wall of the guide pipe is provided with the transmission internal thread and the guide pipe is fixed in rock soil, the stud is inevitably rotated in the circumferential direction to rotate spirally relative to the guide pipe and move axially, and then the power part is driven to move axially.
In other embodiments of the present invention, the measuring probe is fixed with a guide wheel abutting against the inner wall of the guide tube, and the inner wall of the guide tube is provided with a guide groove axially extending in cooperation with the guide wheel. In this way, the driving member itself does not rotate in the circumferential direction due to the reaction force of the load, and the stability of the driving force is not affected.
In particular, two guide wheels with the same size are fixed on the measuring probe, one guide wheel is arranged on the driving part, and the other guide wheel is arranged on the probe rod, so that the rotation of the measuring probe can be further limited, and the relative rotation between the probe rod and the driving part can be avoided, and the measuring probe is a better embodiment.
In other embodiments of the present invention, the conduit includes at least two conduit units connected end to end, and the conduit further includes a connecting sleeve connecting two adjacent conduit units, and the connecting sleeve is disposed on two adjacent conduit units; the inner wall of the connecting sleeve is provided with a positioning strip which extends axially, and the outer wall of the catheter monomer is provided with a positioning groove matched with the positioning strip. Therefore, a plurality of conduit monomers are connected into a conduit, so that a longer conduit can be formed, the settlement in a longer distance can be measured, the processing and the transportation of the conduit monomers are facilitated, and the method is a better implementation mode. The positioning strip and the positioning groove can ensure the circumferential position of the catheter monomer, namely ensure that the threads on the inner wall of the catheter can be smoothly connected after connection, and are better implementation modes.
The embodiment of the utility model also provides a ground settlement measuring device, the device includes above-mentioned arbitrary ground settlement measuring probe subassembly, to the data processing part that the data of probe subassembly were handled and control part of control the motion of probe subassembly; the data processing component and the control component are both electrically connected with the probe assembly.
For a better understanding of the present invention, the following detailed description is given in conjunction with the accompanying drawings and the embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Also, the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained without inventive effort by a person skilled in the art according to the embodiments, are within the scope of the present invention.
As shown in fig. 1, the geotechnical settlement measuring device of the present embodiment includes a geotechnical settlement measuring probe assembly and a console 4, where the console 4 is used for processing data of the probe assembly and controlling movement of the probe assembly; the console 4 is electrically connected to the probe assembly.
In particular, the console 4 comprises the data processing components and control components described above. The console 4 is connected to the geotechnical settlement measuring probe assembly through a cable 17, and the cable 17 comprises a data line for transmitting data and control instructions and also comprises a power line for providing electric energy for the geotechnical settlement measuring probe assembly. More specifically, the power source of the console 4 is a rechargeable lithium battery pack. It will be understood by those skilled in the art that the console 4 is also a device used in existing geotechnical measuring apparatuses, and the data processing process thereof is well known in the art and will not be described in detail, while the control of the probe assembly movement is a conventional motor-driven program and will not be described in detail.
Specifically, the geotechnical settlement measuring probe assembly comprises a guide pipe and a measuring probe 1, wherein the guide pipe is fixed in the geotechnical and horizontally placed, and the measuring probe 1 is used for horizontally moving in the guide pipe.
As shown in fig. 2, the measuring probe 1 includes a probe rod 15, an inclination detecting part 16, and a driving part, and the probe rod 15 is horizontally placed and horizontally moved. The inclination detecting part 16 is configured to detect a horizontal inclination degree of the probe 15, and the driving part is configured to drive the horizontal movement of the probe 15.
Specifically, the driving component comprises a rotating shaft 11 horizontally placed and a power part 14 for driving the rotating shaft 11 to rotate, the rotating shaft 11 rotates relative to the power part 14, and the power part 14 and the rotating shaft 11 move in an axial direction in a correlation manner; a stud 18 is sleeved on the rotating shaft 11, and the stud 18 and the rotating shaft 11 rotate in a circumferential direction in a correlation manner; the outer circular surface of the stud 18 is provided with a transmission external thread, and the inner wall of the conduit is provided with a transmission internal thread 23 matched with the transmission external thread; the probe rod 15 is fixed to the power unit 14, and the inclination detecting element 16 is fixed to the probe rod 15. More specifically, the stud 18 is made of PVC, which is lightweight and free from the risk of corrosion. The stud 18 is coupled with the rotating shaft 11.
In this embodiment, the driving component is a motor, the motor includes a motor body and an output shaft, the motor body is the power portion 14, and the output shaft is the rotating shaft 11; one end of the motor body is connected with the output shaft, and the other end of the motor body is fixed with the probe rod 15. Specifically, the motor is a direct current speed reduction motor.
In this embodiment, the inclination detecting component 16 is an inclination sensor, specifically, a gyroscope. The principle of the gyroscope for measuring the horizontal inclination degree of the probe rod 15 is as follows: the orientation of the gyroscope is in the horizontal direction, when the probe rod 15 changes in pitch, the orientation of the gyroscope is always kept in the horizontal direction, and the included angle between the gyroscope and the horizontal direction can be measured through the rotating track of the gyroscope.
Further, a guide wheel 13 abutting against the inner wall of the catheter is fixed on the driving part and the probe rod 15, and an axially extending guide groove 21 matched with the guide wheel 13 is arranged on the inner wall of the catheter. Specifically, the driving part and the probe rod 15 are respectively provided with two guide wheels 13 which are respectively and symmetrically arranged on two sides of the driving part or the probe rod 15; more specifically, the idler 13 is fixed to the driving member or the probe 15 by two idler brackets 12.
Further, as shown in fig. 1, 3 and 4, the conduit comprises at least two conduit single bodies 2 connected end to end, the conduit further comprises a connecting sleeve 3 connecting two adjacent conduit single bodies 2, and the connecting sleeve 3 is sleeved on the two adjacent conduit single bodies 2; the inner wall of the connecting sleeve 3 is provided with a positioning strip 33 extending axially, and the outer wall of the catheter single body 2 is provided with a positioning groove 22 matched with the positioning strip 33.
Furthermore, the catheter also comprises a set screw 31 for further fixing the two catheter units 2, specifically, the connecting sleeve 3 is provided with a radial set threaded hole 32, and the screw head of the set screw 31 passes through the set threaded hole 32 by screwing and abuts against the outer wall of the catheter unit 2.
For better understanding of the present embodiment, a method for measuring the geotechnical settlement measuring device of the present embodiment is described below, and as shown in fig. 5, the method includes the following steps:
step 501: and (6) burying the measuring points. Three pipes are buried in three different depths of rock, for example depth 12m, depth 10m and depth 8 m.
Step 502: baseline settlement measurements. Measuring the pipe orifice settlement of the conduit to obtain reference settlement;
step 503: and (5) measuring rock-soil settlement. Presetting at least 3 measuring points on the horizontal length of the conduit, and respectively measuring the horizontal inclination angle of the probe rod 15; after the first measurement is finished, the measuring probe 1 is withdrawn from the guide pipe, the second measurement is carried out after the measuring probe is rotated by 180 degrees, and the measuring point is the same as the first measurement; and averaging the horizontal inclination angles of the probe rod 15 obtained by two measurements to serve as a calculation basis of the calculation step.
Specifically, sedimentation requires two measurements at a predetermined time interval to derive sedimentation, for example, two measurements at 1 day intervals.
During the measurement of the standard settlement, the first elevation of the pipe orifice of the conduit relative to a base surface is measured for the first time, the base surface can be regarded as the ground which is not changed at a far position, the second measurement is carried out after the interval of the preset time, the second elevation is measured, and the difference value of the two elevations is the standard settlement. The measurement of the elevation can be obtained by measuring with a measuring instrument such as a level or a total station.
During the measurement of the rock-soil settlement, a third elevation of a measurement point relative to the pipe orifice of the guide pipe needs to be measured for the first time, after the preset time interval, the second measurement is carried out, a fourth elevation is measured, the difference value of the two elevations is the settlement of the measurement point relative to the pipe orifice, and the settlement is added with the benchmark settlement, namely the relative settlement of the measurement point.
Also, the time for measuring the reference settlement and the geotechnical settlement is consistent, that is, after the first measurement of the reference settlement, the first geotechnical settlement measurement is started immediately, and then the second measurement of the reference settlement is performed at a predetermined time interval, for example, 1 day, and the second geotechnical settlement measurement is started immediately.
The plurality of measurement points refers to a plurality of measurement points uniformly arranged in the horizontal direction, and the interval of the measurement points may be generally set to 50 cm. In specific implementation, a scale can be provided on the cable 17, and the position 30cm away from the nozzle is generally set to be a scale "0", i.e. the scale "0" on the scale represents a measurement point 30cm away from the nozzle, the scale 50cm on the scale represents 80cm away from the nozzle, and so on.
In the measurement process, the console 4 can display the horizontal inclination angle of the probe 15 in addition to processing the data.
Step 504: and (4) calculating. And obtaining the settlement of the rock soil at a preset depth according to the horizontal inclination angle and the reference settlement of the probe rod 15.
As shown in step 501, the preset depth may be multiple. The calculation method of each depth is the same, so the rock-soil settlement calculation method of one depth is introduced as follows:
first, the elevation of the measurement point with respect to the base plane is calculated by expression (1):
wherein, yjIs the elevation of the measurement point j relative to the base plane; y is0Is the elevation of the orifice relative to the base; f is the distance between the measuring points, namely the length of the hypotenuse in the trigonometric function, and the distance is 50cm in the embodiment; theta is the horizontal inclination angle of the probe rod, the
Is the average value of two measurements at the same time, the second measurement is carried out after the measuring probe 1 is withdrawn from the catheter and rotated by a preset angle,
see expression (2);
the length of the opposite side of the horizontal dip angle, namely the elevation between the adjacent measuring points,
accumulating the elevations to obtain the elevation of the last measuring point j relative to the pipe orifice; the expression (1) is that the elevation of the nozzle relative to the base plane + the elevation of the last measuring point j relative to the nozzle is taken as the elevation of the last measuring point j relative to the base plane.
Wherein, thetaiFor the first measured horizontal inclination angle, thetai' is the horizontal tilt angle of the second measurement.
Two y's to be measured at different timesjAnd subtracting to obtain the settlement of the rock soil at the depth within the preset time period.
According to the method, rock-soil settlement at other depths can be obtained, and then the overall settlement condition of the section can be judged.
In the description of the embodiments of the present invention, unless otherwise specified and limited, the term "connected" should be interpreted broadly, and may be, for example, an electrical connection, a communication between two elements, a direct connection, or an indirect connection through an intermediate medium, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.
In the embodiment of the present invention, if the related terms "first \ second \ third" are used, only similar objects are distinguished, and no specific sequence for the objects is represented, it should be understood that "first \ second \ third" may exchange a specific sequence or order when allowed.
It should be appreciated that reference throughout this specification to "one embodiment" or "some embodiments" means that a particular feature, structure or characteristic described in connection with the embodiments is included in at least one embodiment of the present invention. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present invention, the sequence numbers of the above-mentioned processes do not mean the execution sequence, and the execution sequence of the processes should be determined by the functions and the inherent logic thereof, and should not constitute any limitation to the implementation process of the embodiments of the present invention. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. The geotechnical settlement measuring probe is characterized by comprising a probe rod, an inclination detection part and a driving part, wherein the probe rod is horizontally placed and horizontally moves, the inclination detection part is used for detecting the horizontal inclination degree of the probe rod, and the driving part is used for driving the probe rod to horizontally move.
2. The geotechnical sedimentation measurement probe according to claim 1, wherein the driving member comprises a horizontally-placed rotating shaft and a power part for driving the rotating shaft to rotate, the rotating shaft rotates relative to the power part, and the power part and the rotating shaft move in axial association; the rotating shaft is sleeved with a stud, and the stud and the rotating shaft rotate in a circumferential direction in a correlation manner; the outer circular surface of the stud is provided with a transmission external thread; the probe rod is fixed to the power portion, and the inclination detection part is fixed to the probe rod.
3. The geotechnical sedimentation measurement probe according to claim 2, wherein the driving member is a motor, the motor includes a motor body and an output shaft, the motor body is the power part, and the output shaft is the rotating shaft; one end of the motor body is connected with the output shaft, and the other end of the motor body is fixed with the probe rod.
4. A geotechnical settlement measuring probe assembly, which is characterized by comprising a horizontally placed guide pipe fixed in the geotechnical and a measuring probe horizontally moving in the guide pipe, wherein the measuring probe is the geotechnical settlement measuring probe according to any one of claims 2-3; and the inner wall of the guide pipe is provided with a transmission internal thread matched with the transmission external thread.
5. The geotechnical sedimentation measurement probe assembly according to claim 4, wherein a guide wheel abutting against the inner wall of the guide pipe is fixed to the measurement probe, and an axially extending guide groove matched with the guide wheel is formed in the inner wall of the guide pipe.
6. The geotechnical sedimentation measurement probe assembly according to claim 5, wherein the guide pipe comprises at least two guide pipe single bodies connected end to end, the guide pipe further comprises a connecting sleeve for connecting two adjacent guide pipe single bodies, and the connecting sleeve is sleeved on the two adjacent guide pipe single bodies; the inner wall of the connecting sleeve is provided with a positioning strip which extends axially, and the outer wall of the catheter monomer is provided with a positioning groove matched with the positioning strip.
7. An apparatus for measuring geotechnical settlement, which comprises the geotechnical settlement measuring probe assembly as claimed in any one of claims 4-6, a data processing component for processing data of the probe assembly and a control component for controlling the movement of the probe assembly; the data processing component and the control component are both electrically connected with the probe assembly.
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| CN202020922619.9U CN212539144U (en) | 2020-05-27 | 2020-05-27 | Ground settlement measuring probe, probe assembly and device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473769A (en) * | 2020-05-27 | 2020-07-31 | 中铁第四勘察设计院集团有限公司 | Rock-soil settlement measuring probe, probe assembly, device and measuring method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111473769A (en) * | 2020-05-27 | 2020-07-31 | 中铁第四勘察设计院集团有限公司 | Rock-soil settlement measuring probe, probe assembly, device and measuring method |
| CN111473769B (en) * | 2020-05-27 | 2024-06-07 | 中铁第四勘察设计院集团有限公司 | Rock and soil settlement measurement probe, probe assembly, device and measurement method |
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