CN215338294U - Automatic monitoring devices is subsided to foundation soil deep layer - Google Patents
Automatic monitoring devices is subsided to foundation soil deep layer Download PDFInfo
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- CN215338294U CN215338294U CN202121625361.7U CN202121625361U CN215338294U CN 215338294 U CN215338294 U CN 215338294U CN 202121625361 U CN202121625361 U CN 202121625361U CN 215338294 U CN215338294 U CN 215338294U
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Abstract
The utility model discloses an automatic monitoring device for deep settlement of foundation soil, which comprises: the device comprises a sliding shaft, a power supply, a signal transmitting device, a plurality of flexible hoses and a plurality of displacement monitoring units, wherein the flexible hoses are arranged outside the sliding shaft; each displacement monitoring unit comprises a shell, a variable resistor and a contact piece, the shell is sleeved outside the sliding shaft, two ends of the variable resistor are fixedly arranged in the shell, and the contact pieces are fixedly arranged on the sliding shaft. Adopt sectional type assembled structure, the displacement monitoring unit is equidistant to be set up on the sliding shaft according to the design distance to play limiting displacement monitoring unit through flexible hose, produce relative motion between the contact piece on variable resistance in the displacement monitoring unit of every equidistant setting and the sliding shaft, make the resistance value of access circuit produce the change, so that measured voltage produces the change, turn into frequency signal through measured voltage after, effectively measure the settlement of foundation in the different degree of depth scope.
Description
Technical Field
The utility model belongs to the technical field of foundation monitoring, and particularly relates to an automatic monitoring device for deep settlement of foundation soil.
Background
The foundation refers to the body or rock mass supporting the foundation, which in turn refers to the structural components that transmit the various effects to which the structure is subjected to the foundation. The observation of the layered settlement of the foundation soil is greatly helpful for the building structure designers to process the settlement difference between the building main body and the skirt building, between different foundation foundations and the like, and particularly in the construction of high-rise buildings, the monitoring of the deep (layered) settlement can timely prevent the damage of the building main body structure or the generation of cracks which influence the use function of the structure due to uneven settlement. The layered settlement of the foundation soil can be divided into the layered settlement of an undisturbed soil area and the layered settlement of a filling area.
At present, the foundation deep layer (layered) settlement monitoring adopts more methods such as a magnetic ring type settlement gauge method, a deep punctuation level gauge method, a fixed rod method and the like, different observation methods are different in applicable engineering conditions, and the methods have different problems, such as: the magnetic ring formula settlement gauge method measurement accuracy is not high, deep punctuation surveyor's level method need bury a plurality of settlement marks underground at the different degree of depth drilling in soil layer, waste time and energy and take the cost, and deep punctuation surveyor's level method, the motionless pole method all need adopt the surveyor's level of staff top, measurement efficiency is lower, in addition, above-mentioned method all need consume a large amount of manual works, and it is higher to monitoring personnel level requirement, will unable measurement to there be bad weather such as rainfall, thereby can't guarantee monitoring data's continuity and real-time.
Therefore, in order to solve the above technical problems, an automatic monitoring device for deep settlement of foundation soil is needed, which saves a lot of labor cost, and has high data accuracy and precision.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an automatic monitoring device which is not influenced by severe weather such as rainfall and has higher accuracy and precision of measured data, realizes monitoring automation, and has low monitoring cost and personnel input into deep settlement of low foundation soil.
The technical scheme of the utility model is as follows:
an automatic monitoring devices is subsided to foundation soil deep layer includes: the device comprises a sliding shaft, a power supply, a signal transmitting device, a plurality of flexible hoses and a plurality of displacement monitoring units, wherein the flexible hoses and the displacement monitoring units are arranged outside the sliding shaft at intervals;
each displacement monitoring unit comprises a shell, a variable resistor and a contact piece, wherein the shell is sleeved outside the sliding shaft, two ends of the variable resistor are fixedly arranged in the shell, the contact piece is fixedly arranged on the sliding shaft, and the front end of the contact piece is in contact with the variable resistor to adjust the resistance value of the variable resistor connected into a circuit;
each telescopic hose is sleeved outside the sliding shaft and arranged between two adjacent displacement monitoring units and used for preventing the displacement monitoring units from freely sliding down on the sliding shaft;
the power supply is arranged outside the foundation, is electrically connected with the variable resistor through a lead and is used for measuring the voltage between the contact piece and the two ends of the variable resistor through the accessed resistance value;
the signal transmitting device is arranged outside the foundation, is electrically connected with the power supply through a lead and is electrically connected with each displacement monitoring unit through a lead, and is used for acquiring electric signals measured by the displacement monitoring units, converting the electric signals into frequency signals and uploading the frequency signals to an external data acquisition terminal.
In the technical scheme, the sliding shaft is a steel pipe with a smooth surface, and the diameter of the sliding shaft is 20 mm.
In the above technical scheme, the sliding shaft is formed with fixing points arranged at equal intervals, and each fixing point is fixedly mounted with the contact piece.
In the technical scheme, the telescopic hoses are arranged on the sliding shaft at equal intervals, and the length of each telescopic hose is equal.
In the technical scheme, a plurality of displacement monitoring units are arranged on the sliding shaft at equal intervals,
in the above technical solution, the housing is an annular housing, and the inner diameter of the housing is larger than the diameter of the sliding shaft.
In the above technical solution, the inner diameter of the flexible hose is larger than the diameter of the sliding shaft, and the outer diameter of the flexible hose is smaller than the inner diameter of the housing.
In the technical scheme, the length of the sliding shaft, the length and the number of the telescopic hoses and the number of the displacement monitoring units are adjusted according to the foundation measurement depth.
In the technical scheme, the top of the telescopic hose is provided with the pipe cover, and the bottom of the telescopic hose is provided with the pipe bottom.
The utility model has the advantages and positive effects that:
1. the monitoring device adopts a sectional assembly type structure, displacement monitoring units are arranged on a sliding shaft at equal intervals according to a designed distance and play a role in limiting the displacement monitoring units through telescopic hoses, and a variable resistor in each displacement monitoring unit arranged at equal intervals and a contact piece on the sliding shaft move relatively to change the resistance value of an access circuit, so that the measured voltage changes, and the settlement of the foundation in different depth ranges is effectively measured after the measured voltage is converted into a frequency signal.
2. The monitoring device can avoid the condition that the measurement sight line is easy to be blocked and the monitoring cannot be carried out due to the severe weather such as rainfall and the stacking of field construction equipment and temporary materials, and effectively ensures the continuity and the real-time performance of field monitoring data.
3. The utility model has simple structure, simple measurement principle, lower manufacturing cost, higher measurement efficiency and measurement precision and greatly reduced investment of monitoring personnel.
Drawings
FIG. 1 is a layout view of an automatic monitoring device for deep settlement of foundation soil according to the present invention;
fig. 2 is a partially enlarged view of the displacement monitoring unit of the present invention.
In the figure:
1. displacement monitoring unit 101, housing 102, contact piece
103. Variable resistor 104, lead wire 2, and sliding shaft
3. Flexible hose 4, signal transmitting device 5, power supply
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the scope of the utility model in any way.
Example 1
As shown in the figure, the automatic monitoring device for the deep settlement of the foundation soil comprises: the device comprises a sliding shaft 2, a power supply 5, a signal transmitting device 4, a plurality of telescopic hoses 3 arranged outside the sliding shaft 2 and a plurality of displacement monitoring units 1 arranged outside the sliding shaft 2;
each displacement monitoring unit 1 comprises a shell 101, a variable resistor 103 and a contact piece 102, wherein the shell 101 is sleeved outside the sliding shaft 2, two ends of the variable resistor 103 are fixedly arranged in the shell 101, the contact piece 102 is fixedly arranged on the sliding shaft 2, and the front end of the contact piece 102 is in contact with the variable resistor 103 to adjust the resistance value of the variable resistor 103 connected into a circuit;
each flexible hose 3 is sleeved outside the sliding shaft 2, and each flexible hose 3 is arranged between two adjacent displacement monitoring units 1 and used for preventing the displacement monitoring units 1 from freely sliding down on the sliding shaft 2;
the power supply 5 is arranged outside the foundation, the power supply 5 is electrically connected with the variable resistor 103 through a lead 104 and is used for measuring the voltage between the contact piece 102 and the two ends of the variable resistor 103 through the accessed resistance value;
the signal transmitting device 4 is arranged outside the foundation, the signal transmitting device 4 is electrically connected with the power supply 5 through a lead 104, and the signal transmitting device 4 is electrically connected with each displacement monitoring unit 1 through the lead 104 and used for acquiring electric signals measured by the displacement monitoring units 1, converting the electric signals into frequency signals and uploading the frequency signals to an external data acquisition terminal.
Further, the sliding shaft 2 is a steel pipe with a smooth surface, and the diameter of the sliding shaft 2 is 20 mm.
Further, the sliding shaft 2 is formed with fixing points arranged at equal intervals, and each fixing point is fixedly mounted with the contact piece 102.
Further, a plurality of the telescopic hoses 3 are arranged on the sliding shaft 2 at equal intervals, and the length of each telescopic hose 3 is equal.
Further, the housing 101 is an annular shell, and the inner diameter of the housing 101 is larger than the diameter of the sliding shaft 2.
Further, the inner diameter of the extension hose 3 is larger than the diameter of the sliding shaft 2, and the outer diameter of the extension hose 3 is smaller than the inner diameter of the housing 101.
Further, the length of the sliding shaft 2, the length and number of the telescopic hoses 3, and the number of the displacement monitoring units 1 are adjusted according to the ground-based measurement depth.
Example 2
On the basis of the embodiment 1, the top of the flexible hose 3 is provided with a pipe cover, and the bottom of the flexible hose is provided with a pipe bottom.
The use method of the automatic monitoring device for the deep settlement of the foundation soil comprises the following steps:
(1) positioning the position of a foundation deep settlement monitoring point by utilizing a GPS according to design requirements;
(2) determining the length of the sliding shaft 2, the number of the displacement monitoring units 1, the number of the telescopic hoses 3 and the number of each telescopic hose 3 according to the drilling depth and the monitoring specification requirements;
(3) drilling in place at the position of the monitoring point determined in the step (1) according to the design requirement, and drilling to a design stable soil layer;
(4) the displacement monitoring unit 1 and the telescopic hose 3 are sequentially and alternately sleeved outside the sliding shaft 2 from the bottom, and the pipe bottom is used for sealing after the displacement monitoring unit 1 and the telescopic hose 3 are assembled to form a monitoring device, so that the contact piece 102 on the sliding shaft 2 is in contact with the bottommost end of the variable resistor 103 of the displacement monitoring unit 1 (the resistance value is maximum);
(5) leading the lead 104 out of the hole opening when the monitoring device assembled in the step (4) is arranged from the lower part of the monitoring device to the drill hole in the step (3) and is buried, filling a gap between the detection device and the drill hole with fine sand, and then covering the flexible hose 3 with a pipe cover;
(6) and (3) repeating the steps (1) to (5) to bury the monitoring device at other monitoring point positions, after the burying, using a lead wire 104 to be electrically connected with the signal transmitting device 4 and the power supply 5, wherein the signal transmitting device 4 acquires the voltage signal of the displacement monitoring unit 1 in real time, converts the voltage signal into a frequency signal, and then sends the processed frequency signal to an external data acquisition terminal to realize the automatic monitoring of the deep settlement of the foundation soil.
The monitoring device adopts a sectional assembly type structure, deep settlement is monitored by the displacement monitoring units 1 which are arranged in sections in foundation soil, the telescopic hose 3 can drive the shell 101 of the displacement monitoring unit 1 to move along with the settlement of the foundation soil, the contact piece 102 and the variable resistor 103 in the shell 101 move relatively, so that the resistance value of an access circuit is changed, the measured voltage is changed, and the monitoring of the deep settlement is realized after the measured voltage is processed and converted into a frequency signal.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The utility model has been described in an illustrative manner, and it is to be understood that any simple variations, modifications or other equivalent changes which can be made by one skilled in the art without departing from the spirit of the utility model fall within the scope of the utility model.
Claims (9)
1. The utility model provides an automatic monitoring devices is subsided to foundation soil deep layer which characterized in that includes: the device comprises a sliding shaft, a power supply, a signal transmitting device, a plurality of flexible hoses and a plurality of displacement monitoring units, wherein the flexible hoses and the displacement monitoring units are arranged outside the sliding shaft at intervals;
each displacement monitoring unit comprises a shell, a variable resistor and a contact piece, wherein the shell is sleeved outside the sliding shaft, two ends of the variable resistor are fixedly arranged in the shell, the contact piece is fixedly arranged on the sliding shaft, and the front end of the contact piece is in contact with the variable resistor to adjust the resistance value of the variable resistor connected into a circuit;
each telescopic hose is sleeved outside the sliding shaft and is arranged between two adjacent displacement monitoring units;
the power supply is arranged outside the foundation, is electrically connected with the variable resistor through a lead and is used for measuring the voltage between the contact piece and the two ends of the variable resistor through the accessed resistance value;
the signal transmitting device is arranged outside the foundation, is electrically connected with the power supply through a lead and is electrically connected with each displacement monitoring unit through a lead, and is used for acquiring electric signals measured by the displacement monitoring units, converting the electric signals into frequency signals and uploading the frequency signals to an external data acquisition terminal.
2. The automatic monitoring device of the foundation soil deep settlement of claim 1, wherein: the sliding shaft is a steel pipe with a smooth surface, and the diameter of the sliding shaft is 20 mm.
3. The automatic monitoring device of the foundation soil deep layer settlement of claim 2, wherein: the sliding shaft is provided with fixed point positions which are arranged at equal intervals, and each fixed point position is fixedly installed with the contact piece.
4. The automatic monitoring device of foundation soil deep settlement of claim 3, wherein: the telescopic hoses are arranged on the sliding shaft at equal intervals, and the length of each telescopic hose is equal.
5. The automatic monitoring device of foundation soil deep settlement of claim 4, wherein: a plurality of the displacement monitoring units are arranged on the sliding shaft at equal intervals.
6. The automatic monitoring device of foundation soil deep settlement of claim 5, wherein: the shell is an annular shell, and the inner diameter of the shell is larger than the diameter of the sliding shaft.
7. The automatic monitoring device of foundation soil deep settlement of claim 6, wherein: the inner diameter of the telescopic hose is larger than the diameter of the sliding shaft, and the outer diameter of the telescopic hose is smaller than the inner diameter of the shell.
8. The automatic monitoring device of the foundation soil deep settlement of claim 7, wherein: and adjusting the length of the sliding shaft, the length and the number of the telescopic hoses and the number of the displacement monitoring units according to the foundation measurement depth.
9. The automatic monitoring device of the foundation soil deep settlement of claim 8, wherein: the top of the flexible hose is provided with a pipe cover, and the bottom of the flexible hose is provided with a pipe bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625361.7U CN215338294U (en) | 2021-07-16 | 2021-07-16 | Automatic monitoring devices is subsided to foundation soil deep layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121625361.7U CN215338294U (en) | 2021-07-16 | 2021-07-16 | Automatic monitoring devices is subsided to foundation soil deep layer |
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| Publication Number | Publication Date |
|---|---|
| CN215338294U true CN215338294U (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121625361.7U Active CN215338294U (en) | 2021-07-16 | 2021-07-16 | Automatic monitoring devices is subsided to foundation soil deep layer |
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| CN (1) | CN215338294U (en) |
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2021
- 2021-07-16 CN CN202121625361.7U patent/CN215338294U/en active Active
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