CN210513111U - A slope monitoring devices for wall body in foundation ditch - Google Patents
A slope monitoring devices for wall body in foundation ditch Download PDFInfo
- Publication number
- CN210513111U CN210513111U CN201921884725.6U CN201921884725U CN210513111U CN 210513111 U CN210513111 U CN 210513111U CN 201921884725 U CN201921884725 U CN 201921884725U CN 210513111 U CN210513111 U CN 210513111U
- Authority
- CN
- China
- Prior art keywords
- wall
- foundation pit
- inclination
- sensor
- sensor mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The utility model discloses a slope monitoring device for a foundation pit inner wall, which is characterized in that a slope angle sensor is fixed in a side inclined tube through a sensor mounting plate, one end of the sensor mounting plate is fixed in a clamping groove in the side inclined tube, the installation of the sensor mounting plate is facilitated, the slope angle sensor is fixed on the side surface of the middle part of the sensor mounting plate, the angle adjustment and the installation of the slope angle sensor are facilitated, the slope angle sensor is connected with a slope angle display through a connecting wire, a fixed mounting cavity is provided for the slope angle sensor by utilizing a flexible tube structure, the slope angle sensor is integrally formed with a wall body to be detected, the rotation displacement of the slope angle sensor at the inclined part of the foundation pit wall body to be detected can be conveniently monitored by utilizing the characteristics of the flexible tube, thereby the inclination data, the inclination measuring speed of the wall body of the foundation pit to be measured is improved, the labor intensity of workers is reduced, and the monitoring precision is improved.
Description
Technical Field
The utility model belongs to wall body monitoring devices, concretely relates to slope monitoring devices for wall body in foundation ditch.
Background
At present, civil engineering construction in China enters a new period, and the number, scale and depth of foundation pit engineering are continuously increased. In the excavation construction stage of the foundation pit engineering, the idea of dynamic information construction is more and more concerned. In the construction process, the measurement and monitoring play a vital role, which is an important basis for guiding construction in the excavation process of deep foundation pit engineering. The underground continuous wall around the foundation pit is an important guarantee for the operation and construction of the foundation pit and a foundation barrier for safe production and construction, and the inclination change of the underground continuous wall has a great influence on the safe construction of the foundation pit. It is therefore of vital importance for the engineering department to obtain this information. In deep foundation pit engineering, a small displacement may indicate a change in the stress of the foundation pit and an unexpected damage. It is therefore crucial for engineering technicians to obtain this information. The displacement measurement of current basic pithead wall mainly uses the deviational survey instrument, and the instrument is heavy, and when meetting deep and large foundation ditch, the problem of side pipe chute quantity and degree of depth has to be considered, needs the manpower pulling to obtain measured data during the measurement, wastes time and energy, unable real-time detection. And because of the problem that the working time of the measuring personnel is long, a plurality of points can not be measured in real time, and the data has larger errors due to misoperation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a slope monitoring devices for wall body in foundation ditch to overcome prior art and waste time and energy, unable real-time detection, data have the problem of great error because of misoperation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a slope monitoring devices for wall body in foundation ditch, including angle of inclination sensor, sensor mounting panel and side pipe chute, the side pipe chute adopts the flexible tube, be equipped with the draw-in groove that sets up along side pipe chute length direction in the side pipe chute, sensor mounting panel one end is fixed in the draw-in groove in the side pipe chute, sensor mounting panel intermediate part is located the space between side pipe chute inner wall and the draw-in groove outer wall, angle of inclination sensor is fixed in the intermediate part side of sensor mounting panel, angle of inclination sensor passes through the connecting wire and connects in inclination display, during the foundation ditch wall body deviational survey, the side pipe chute sets up in the foundation.
Furthermore, one end of the side inclined pipe is a sealing structure, the other end of the side inclined pipe is provided with a sealing cover, and the sealing cover is provided with a connecting wire through hole for the connecting wire of the inclination angle sensor and the inclination angle display to pass through.
Furthermore, two clamping grooves symmetrically arranged along the length direction of the side inclined pipe are formed in the side inclined pipe, and two ends of the sensor mounting plate are respectively fixed in the two clamping grooves.
Further, the side pipe chute is formed by splicing a left side pipe chute and a right side pipe chute, a left half clamping groove is formed in each of two ends of the inner side of the left side pipe chute, a right half clamping groove is formed in each of two ends of the inner side of the right side pipe chute, the left half clamping groove in one end of the left side pipe chute and the right half clamping groove in one end of the right side pipe chute are spliced to form a complete clamping groove, and the left half clamping groove in the other end of the left side pipe chute and the right half clamping groove in the other end of the right side pipe chute are spliced.
Furthermore, the outer side of the side inclined tube is provided with a wing plate group arranged along the length direction of the side inclined tube, the plane of the maximum surface of the wing plate group is parallel to the vertical placing and positioning surface of the inclination angle sensor, and the wing plate group comprises two wing plates which are respectively arranged on the left side inclined tube and the right side inclined tube.
Furthermore, the sensor mounting plate is located inside the clamping groove and is made of rubber materials, an airtight hole is formed in the rubber materials, and a gas injection hole is formed in the end portion of the airtight hole.
Furthermore, a plurality of inclination angle sensors are arranged on the sensor mounting plate at intervals along the vertical direction.
Furthermore, the connecting wire is attached to the sensor mounting plate.
Further, the distance between the top of the side inclined pipe and the upper end face of the foundation pit wall to be detected is 0.1-0.2 times of the height of the foundation pit wall to be detected.
Compared with the prior art, the utility model discloses following profitable technological effect has:
the utility model relates to a slope monitoring device for foundation pit inner wall, through fixing the inclination angle sensor in the side inclined tube through the sensor mounting panel, set up the draw-in groove along side inclined tube length in the side inclined tube, then fix one end of the sensor mounting panel in the draw-in groove in the side inclined tube, be favorable to the installation of sensor mounting panel, sensor mounting panel middle part is located in the space between side inclined tube inner wall and draw-in groove outer wall, the inclination angle sensor is fixed in the middle part side of sensor mounting panel, be favorable to inclination angle sensor angle adjustment and installation, the inclination angle sensor is connected to the inclination angle display through the connecting wire, when the foundation pit wall body is surveyed, the side inclined tube is set up in the foundation pit wall to be measured, utilize flexible pipe structure to provide fixed mounting cavity for the inclination angle sensor, make the inclination angle sensor along with the wall body integrated into one piece that awaits measuring, therefore, the inclination data of the wall of the foundation pit to be detected can be quickly obtained, the inclination data of the wall of the foundation pit to be detected is displayed in real time through the inclination angle display, the inclination measuring speed of the wall of the foundation pit to be detected is greatly improved, the labor intensity of workers is reduced, and the monitoring precision is improved.
Furthermore, one end of the side inclined pipe is a sealing structure, the other end of the side inclined pipe is provided with a sealing cover, and the sealing cover is provided with a connecting wire through hole for the connecting wire of the inclination angle sensor and the inclination angle display to penetrate through, so that dust impurities are prevented from falling into the side inclined pipe to influence the measurement precision of the inclination angle sensor.
Furthermore, two clamping grooves symmetrically arranged along the length direction of the side inclined pipe are formed in the side inclined pipe, and the installation stability of the sensor installation plate is ensured.
Furthermore, the side pipe chute is formed by splicing the left side pipe chute and the right side pipe chute, so that the sensor mounting plate is convenient to fixedly mount, and the sensor mounting plate is prevented from sliding in the mounting process.
Furthermore, a plurality of inclination angle sensors are arranged on the sensor mounting plate at intervals along the vertical direction, and the inclination change angle of the wall body in the same vertical plane can be acquired through the inclination angle sensors, so that the whole inclination change diagram in the wall body can be detected.
Drawings
Fig. 1 is a schematic structural diagram of the device.
Fig. 2 is a perspective view of a side-tilt tube.
Fig. 3 is a schematic view of the installation of the device.
Fig. 4 is a left side sectional view of the device.
Fig. 5 is a right sectional view of the device.
FIG. 6 is a schematic view of the measurement principle of the tilt sensor
FIG. 7 is a schematic drawing of a line graph taken at a data processing center
In the figure, 1, a side inclined pipe, 2, a wing panel group, 3, an inclination angle sensor, 4, a sensor mounting plate, 5, an airtight hole, 6, a connecting wire, 7, an inclination angle display and 8, an alarm are arranged.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings:
as shown in fig. 1 to 5, an inclination monitoring device for a foundation pit inner wall body, including side pipe chute 1, inclination angle sensor 3 and sensor mounting panel 4, be equipped with the draw-in groove that sets up along 1 length direction of side pipe chute in the side pipe chute 1, sensor mounting panel 4 one end is fixed in the draw-in groove in the side pipe chute 1, sensor mounting panel 4 middle part is located the space between 1 inner wall of side pipe chute and the draw-in groove outer wall, inclination angle sensor 3 is fixed in the middle part side of sensor mounting panel 4, inclination angle sensor 3 passes through connecting wire 6 and connects in inclination display 7, side pipe chute 1 sets up in the foundation pit wall that awaits measuring, inclination display 7 sets up in the place that is convenient for the observation of the observer. The connecting wire is attached to the sensor mounting plate 4. The inclination angle display 7 is connected with an alarm 8, when the inclination angle measured by the inclination angle sensor 3 is larger than a set threshold value, the inclination angle display 7 gives an early warning through the alarm 8, the side inclined pipe 1 is a flexible pipe, and a PVC pipe or a steel-plastic composite pipe or a PPR pipe is specifically adopted. The distance between the top of the side inclined pipe and the upper end face of the foundation pit wall body to be measured is 0.1-0.2 times of the height of the foundation pit wall body to be measured, and the upper end face of the foundation pit wall body to be measured is influenced by the earth surface structure and is easy to generate earth surface creeping, so that the distance between the side inclined pipe and the upper end face of the foundation pit wall body to be measured is 0.1-0.2 times of the height of the foundation pit wall body to be measured, the influence of earth surface creeping can be prevented, and the inclination angle of the main body part of.
One end of the side inclined tube 1 is a sealing structure, the other end of the side inclined tube is provided with a sealing cover, and the sealing cover is provided with a connecting wire through hole for the connecting wire of the inclination angle sensor 3 and the inclination angle display to pass through.
Two clamping grooves symmetrically arranged along the length direction of the side inclined tube 1 are formed in the side inclined tube 1, and two ends of the sensor mounting plate 4 are fixed in the two clamping grooves respectively.
The side pipe chute 1 is formed by splicing a left side pipe chute and a right side pipe chute, a left half clamping groove is respectively arranged at two ends of the inner side of the left side pipe chute, a right half clamping groove is respectively arranged at two ends of the inner side of the right side pipe chute, the left half clamping groove at one end of the left side pipe chute and the right half clamping groove at one end of the right side pipe chute are spliced into a complete clamping groove, and the left half clamping groove at the other end of the left side pipe chute and the right half clamping groove at the other end of the right side pipe chute are spliced into.
The outer side of the side inclined pipe 1 is provided with a wing plate group 2 arranged along the length direction of the side inclined pipe 1, the plane of the maximum surface of the wing plate group 2 is parallel to the vertical placing and positioning surface of the inclination angle sensor 3, the wing plate group is used for positioning and fixing the side inclined pipe 1 in the wall of a foundation pit to be detected, and the initial installation direction and position of the inclination angle sensor 3 can be accurately determined through the wing plate group 2. The wing plate group 2 comprises two wing plates which are respectively arranged on the left inclined tube and the right inclined tube, the wing plate group 2 is provided with a connecting through hole, and the left inclined tube and the right inclined tube are fixedly connected in a splicing manner through a bolt group.
In the use, in order to observe the deformation condition of a specific part of the foundation pit along the depth direction, a plurality of inclination angle sensors 3 are arranged on the sensor mounting plate 4 in the vertical direction at intervals, and each inclination angle sensor 3 is marked in a positioning mode.
The inclination angle sensor 3 adopts a single-shaft inclination angle sensor, so that the measurement result is accurate and the precision is high. In the using process, the tilt angle sensor is horizontally or vertically installed, and the installation surface of the tilt angle sensor is kept parallel to the wall surface of the foundation pit to be detected during installation, so that the influence of dynamic and acceleration can be reduced.
When the device is used, as shown in fig. 6, the length of the inclinometer 1 is selected according to the depth of a foundation pit to be measured, the sensor mounting plate with the length equal to that of the inclinometer 1 is selected, then a plurality of inclination angle sensors are fixed on the sensor mounting plate at intervals, the inclination angle sensors are connected with the connecting wires 6, the connecting wires are bonded on the sensor mounting plate 4, the inclination angle sensors are tested to ensure normal use, then the airtight holes 5 at two ends of the sensor mounting plate are inflated in the sensor mounting plate 4 mounted in the inclined pipe 1, so that the sensor mounting plate 4 is tightly connected with the inclined pipe clamping grooves 3 to ensure the measurement accuracy, and the connecting wires 6 are led out from connecting wire through holes on the sealing cover of the inclinometer 1; when the foundation pit engineering side wall is constructed, the inclinometer 1 is embedded into a wall body, the plane where the maximum surface of the side inclined pipe wing plate group is located is parallel to the plane of the foundation pit side wall, the connecting line 6 is connected with the inclination angle display, and the inclination angle display is connected with the alarm 8. The inclination angle display 7 records an initial inclination angle phi value of the inclination angle sensor, when a wall body on the side wall of a foundation pit generates horizontal displacement, the inclination angle sensor 1 and the sensor mounting plate 4 generate horizontal deformation, the inclination angle sensor 3 generates a corner phi along the transverse direction of the foundation pit, the inclination angle sensor 3 measures a rotation angle, a specific rotation angle measurement principle is shown in figure 6, result information is sent to the inclination angle display 7, the inclination angle display 7 records the corner phi value, a horizontal displacement broken line graph of the wall body of the foundation pit is drawn according to the corners of the interval set by the inclination angle sensor 3, and the broken line graph is shown in figure 7 and is used for monitoring by monitoring personnel, and when the horizontal displacement of the wall body is changed violently, the alarm 8 gives an alarm.
The specific use method comprises the following steps:
step 1), selecting a side inclined pipe with the length of 0.7-0.8 of the height of the foundation pit wall to be detected according to the height of the foundation pit wall to be detected, and fixing a sensor mounting plate fixed with an inclination angle sensor in the side inclined pipe to enable the mounting surface of the inclination angle sensor to be parallel to the length direction of the side inclined pipe;
the sensor mounting plate is fixed in the side inclined tube, the airtight hole is inflated, the airtight hole 5 is inflated through the gas injection hole, the size of the sensor mounting plate 4 in the clamping groove is enlarged, and the sensor mounting plate 4 is connected with the clamping groove in the side inclined tube 1 more tightly.
Step 2), embedding the inclinometer pipe provided with the inclination angle sensor into the wall body of the foundation pit to be measured, enabling the side inclined pipe to be vertically arranged along the length direction of the side inclined pipe, connecting a connecting wire of the inclination angle sensor to an inclination angle display 7, then carrying out zero setting on the inclination angle sensor, and setting an inclination angle threshold value through the inclination angle display 7, namely measuring the maximum safety value of the rotation inclination angle by the inclination angle sensor; the measured value of the inclination angle sensor is monitored in real time through the inclination angle display 7, so that the horizontal displacement data of the foundation pit wall can be obtained, when the measured rotation inclination angle of the inclination angle sensor is larger than a set threshold value, the inclination angle display 7 carries out early warning through the alarm 8, and otherwise, the early warning is not carried out.
Claims (9)
1. The utility model provides a slope monitoring devices for wall body in foundation ditch, a serial communication port, including angle of inclination sensor (3), sensor mounting panel (4) and side pipe chute (1), side pipe chute (1) adopts the flexible tube, be equipped with the draw-in groove that sets up along side pipe chute (1) length direction in side pipe chute (1), sensor mounting panel (4) one end is fixed in the draw-in groove in side pipe chute (1), sensor mounting panel (4) intermediate part is located the space between side pipe chute (1) inner wall and the draw-in groove outer wall, angle of inclination sensor (3) are fixed in the intermediate part side of sensor mounting panel (4), angle of inclination sensor (3) are connected in inclination display (7) through connecting wire (6), during the foundation ditch wall body deviational survey, side pipe chute (1) set up in the foundation ditch wall that awaits measuring.
2. The inclination monitoring device for the inner wall of the foundation pit as claimed in claim 1, wherein one end of the side inclined tube (1) is a sealing structure, and the other end is provided with a sealing cover, and the sealing cover is provided with a connecting wire through hole for the connecting wire of the inclination angle sensor (3) and the inclination angle display to pass through.
3. The inclination monitoring device for the inner wall of the foundation pit according to claim 1, wherein two clamping grooves are symmetrically arranged in the side inclined pipe (1) along the length direction of the side inclined pipe (1), and two ends of the sensor mounting plate (4) are respectively fixed in the two clamping grooves.
4. The inclination monitoring device for the inner wall of the foundation pit according to claim 3, wherein the inclined pipe (1) is formed by splicing a left inclined pipe and a right inclined pipe, a left half clamping groove is respectively arranged at two ends of the inner side of the left inclined pipe, a right half clamping groove is respectively arranged at two ends of the inner side of the right inclined pipe, a left half clamping groove at one end of the left inclined pipe and a right half clamping groove at one end of the right inclined pipe are spliced to form a complete clamping groove, and a left half clamping groove at the other end of the left inclined pipe and a right half clamping groove at the other end of the right inclined pipe are spliced to form another complete clamping groove.
5. The inclination monitoring device for the wall in the foundation pit is characterized in that the wing plate group (2) arranged along the length direction of the side inclined pipe (1) is arranged on the outer side of the side inclined pipe (1), the plane of the largest surface of the wing plate group (2) is parallel to the vertically-arranged positioning surface of the inclination angle sensor (3), and the wing plate group (2) comprises two wing plates respectively arranged on the left side inclined pipe and the right side inclined pipe.
6. The inclination monitoring device for the inner wall of the foundation pit is characterized in that the sensor mounting plate (4) is made of rubber material inside the clamping groove, the rubber material is provided with an air-tight hole (5), and the end part of the air-tight hole (5) is provided with an air injection hole.
7. The inclination monitoring device for the wall in the foundation pit according to claim 1, wherein the sensor mounting plate (4) is provided with a plurality of inclination angle sensors (3) at intervals in the vertical direction.
8. The inclination monitoring device for the inner wall of the foundation pit as claimed in claim 1, wherein the connecting wire is attached to the sensor mounting plate (4).
9. The inclination monitoring device for the inner wall of the foundation pit as claimed in claim 1, wherein the distance between the top of the side inclined tube and the upper end surface of the foundation pit wall to be detected is 0.1-0.2 times of the height of the foundation pit wall to be detected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884725.6U CN210513111U (en) | 2019-11-04 | 2019-11-04 | A slope monitoring devices for wall body in foundation ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921884725.6U CN210513111U (en) | 2019-11-04 | 2019-11-04 | A slope monitoring devices for wall body in foundation ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210513111U true CN210513111U (en) | 2020-05-12 |
Family
ID=70574302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921884725.6U Expired - Fee Related CN210513111U (en) | 2019-11-04 | 2019-11-04 | A slope monitoring devices for wall body in foundation ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210513111U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702072A (en) * | 2019-11-04 | 2020-01-17 | 长安大学 | Foundation pit wall inclination monitoring device and monitoring method |
-
2019
- 2019-11-04 CN CN201921884725.6U patent/CN210513111U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110702072A (en) * | 2019-11-04 | 2020-01-17 | 长安大学 | Foundation pit wall inclination monitoring device and monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106546366B (en) | A kind of umbellate form deep hole three-dimensional stress and displacement comprehensive test device | |
| CN106224007A (en) | Safety for tunnel engineering monitoring and warning management system | |
| CN108180885B (en) | Automatic monitoring system and method for tunnel deformation | |
| CN111735419B (en) | Slope horizontal displacement monitoring system and method thereof | |
| CN105318824B (en) | A kind of method that wall rock loosening ring is measured based on distributed resistance foil gauge | |
| CN108280969A (en) | A kind of high slope surface deformation monitoring and warning system and its method for early warning | |
| CN109781773A (en) | A kind of frost heave device and its detection method being layered telescopic detection soil | |
| CN205002729U (en) | Underground warp measuring device based on deviational survey and hall effect | |
| CN105043343A (en) | Method for automated measurement of tunnel vault settlement based on laser displacement sensor | |
| CN208996104U (en) | A kind of automation deviational survey warning device | |
| CN113802622A (en) | Method for monitoring construction safety of deep foundation pit near railway | |
| CN112482343A (en) | Automatic monitoring device and method for layered settlement of soil | |
| CN210513111U (en) | A slope monitoring devices for wall body in foundation ditch | |
| CN104931353B (en) | Coal column plastic zone method of testing and test device | |
| CN112359806A (en) | Device and method for monitoring influence of deep foundation pit excavation on vertical deformation of subway | |
| CN112359807A (en) | Device and method for monitoring influence of deep foundation pit excavation on vertical deformation of subway | |
| CN105649080A (en) | Single-pile pile sinking method | |
| CN103438933A (en) | Slope surface displacement and superficial layer survey integrated equipment | |
| CN105043611B (en) | A kind of swelled ground lateral swelling force in-situ testing device | |
| CN110702072A (en) | Foundation pit wall inclination monitoring device and monitoring method | |
| CN208721070U (en) | A kind of horizontal vertical measuring device of high level armored concrete wall | |
| CN111811386A (en) | Slope horizontal displacement monitoring system and method based on Beidou positioning | |
| CN206721943U (en) | A kind of pile foundation displacement auxiliary detection device | |
| CN215447825U (en) | Slope displacement testing arrangement in centrifugal model test | |
| CN205530404U (en) | Verify supporting construction and soil body combined action's centrifugal test model |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200512 Termination date: 20201104 |