CN220978126U - Filling pile superfilling inspection monitoring equipment - Google Patents
Filling pile superfilling inspection monitoring equipment Download PDFInfo
- Publication number
- CN220978126U CN220978126U CN202321919235.1U CN202321919235U CN220978126U CN 220978126 U CN220978126 U CN 220978126U CN 202321919235 U CN202321919235 U CN 202321919235U CN 220978126 U CN220978126 U CN 220978126U
- Authority
- CN
- China
- Prior art keywords
- sensor
- piece
- detector
- nylon
- drawing line
- 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.)
- Active
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 20
- 238000007689 inspection Methods 0.000 title claims abstract description 13
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000004458 analytical method Methods 0.000 claims abstract description 14
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 9
- 239000004677 Nylon Substances 0.000 claims description 39
- 229920001778 nylon Polymers 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 12
- 238000005520 cutting process Methods 0.000 claims description 7
- 210000005056 cell body Anatomy 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000007788 liquid Substances 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 238000005429 filling process Methods 0.000 abstract description 2
- 239000002002 slurry Substances 0.000 description 10
- 238000012806 monitoring device Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Landscapes
- Piles And Underground Anchors (AREA)
Abstract
The utility model belongs to the technical field of concrete pouring monitoring, and solves the problem that a monitoring result is not accurate enough when the existing detection device is used. The filling pile overspray inspection and monitoring equipment comprises a sensor, a transmission drawing line and an overspray detector; the sensor comprises a detection sensing assembly and an oscillation assembly, the oscillation assembly is used for generating fixed-frequency mechanical waves, the detection sensing assembly is used for detecting and analyzing different feedback waveforms, the medium environment where the sensor is positioned is distinguished according to the analysis results of the different feedback waveforms, and the sensor is transmitted to the superirrigation detector through a transmission drawing line and finally transmitted to the data terminal; the both ends of transmission drawing line are connected with sensor and superirrigation detector respectively, and superirrigation detector installs on being used for drawing the reel that puts transmission drawing line, and the sensor is arranged in the position of demarcating concrete height on the steel reinforcement cage. The device can realize accurate filling liquid level monitoring in the filling process of the filling pile concrete, and avoid over-filling.
Description
Technical Field
The utility model belongs to the technical field of concrete filling monitoring, and particularly relates to a filling pile overspray inspection monitoring device.
Background
The conventional method for measuring the elevation of the bored pile on site is a measuring hammer method, a worker hangs 1kg of measuring hammers by using measuring ropes, impacts broken stones and judges whether the measuring hammers reach the surface of aggregate concrete according to hand feeling of the worker.
Chinese patent No. CN201911338295.2 discloses a force-electricity complementary detecting probe and an overcast detecting device and method, using detecting probe, rotary baffle and monitoring circuit board in the shell, the detecting circuit board is provided with resistivity measuring module and moment measuring module; in the concrete overcast detection process, the electric parameter detection part of the detection probe is used for detecting mud, concrete slurry and aggregate concrete sections, the height of the concrete slurry is primarily judged, then the rotation moment detection is carried out, the rotation moment and the electric parameters are mutually compared, mutual verification is carried out, and when the rotation moment and the electric parameters simultaneously reach the requirements, the aggregate concrete reaches the elevation position.
The method can improve the test efficiency and the test precision. However, in the working process of the motor, the temperature rise in the shell body is faster to influence the inductance monitoring of the monitoring circuit board, and the electric power parameter monitoring data is influenced; the rotation speed of the baffle is read through a speed monitoring module of the motor, and the inaccurate rotation speed reading can cause larger torque judgment deviation, so that the final judgment result is not accurate enough; these two points can lead to inaccurate monitoring results when the device is used for a long time.
Disclosure of utility model
The utility model provides a filling pile overscan inspection and monitoring device for solving at least one technical problem in the prior art.
The utility model is realized by adopting the following technical scheme: a filling pile overspray inspection monitoring device comprises a sensor, a transmission drawing line and an overspray detector; the sensor comprises a detection sensing assembly and an oscillation assembly, the oscillation assembly is used for generating fixed-frequency mechanical waves, the detection sensing assembly is used for detecting and analyzing different feedback waveforms, the medium environment where the sensor is positioned is distinguished according to the analysis results of the different feedback waveforms, and the sensor is transmitted to the superirrigation detector through a transmission drawing line and finally transmitted to the data terminal; the both ends of transmission drawing line are connected with sensor and superirrigation detector respectively, and superirrigation detector installs on being used for drawing the reel that puts transmission drawing line, and the sensor is arranged in the position of demarcating concrete height on the steel reinforcement cage.
Preferably, the detection sensing assembly comprises a tail pipe, a first nylon piece, a first conducting ring, a second nylon piece, a second conducting ring and a third nylon piece which are connected in sequence, wherein a waveform detection analysis module is arranged in the tail pipe and is connected with the transmission drawing line; the vibration assembly comprises a high-frequency motor and a vibration blade, the vibration blade is connected with an output shaft of the high-frequency motor, a high-frequency vibration sensing module is arranged in the high-frequency motor, and one end, away from the vibration blade, of the high-frequency motor is connected with a third nylon piece.
Preferably, the one end that the third nylon spare was kept away from to the motor casing of high frequency motor is connected with the oil blanket spare, and the oil blanket spare movable sleeve is established on the output shaft of high frequency motor, and the oil blanket spare is including oil blanket base, oil blanket body and the oil seal cover that connect in order.
Preferably, the tail end of the tail pipe is in threaded connection with the threaded end of the first nylon piece, the first conducting ring is sleeved on the convex ring, which is abutted with the first nylon piece and the second nylon piece, the second conducting ring is sleeved on the convex ring, which is abutted with the second nylon Long Jian and the third nylon piece, and the threaded end of the third nylon piece is in threaded connection with the motor shell;
Through long bolted connection between motor casing, oil blanket base, the oil blanket body and the oil blanket lid, the junction of motor casing and oil blanket base has assorted ring, groove structure, and the bulge loop of the oil blanket body is embedded into the oil blanket lid groove body, and the oil blanket lid is close to the tip butt that shakes the blade has annular preforming.
Preferably, the sensor is tied to a hanging bar which extends into the bored concrete pile and is hung on the reinforcement cage.
Preferably, the sensor is connected with the fixing piece through the annular buckle, the fixing piece is provided with a ribbon perforation, the inner wall of the lower end of the ribbon perforation is provided with a cutting edge, the fixing piece is bound on the steel reinforcement cage through the ribbon, and the ribbon can be cut off through the cutting edge in the process of upward lifting so as to pull back the sensor.
Compared with the prior art, the utility model has the beneficial effects that:
The device generates fixed-frequency mechanical waves through the oscillation component, and the mechanical waves have different reflection waveforms in different media so as to distinguish floating paste, concrete slurry, aggregate concrete and the like. Different feedback waveforms are distinguished through the built-in waveform detection analysis module, the medium environment where the sensor is located is distinguished, and the floating paste, concrete slurry, aggregate concrete and the like are distinguished. The accurate filling liquid level monitoring of the filling pile concrete filling process is realized, and the over-filling is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall construction installation of the present device;
FIG. 2 is a schematic diagram of the structure of the sensor in the present device;
FIG. 3 is a schematic view of the structure of the tail pipe;
FIG. 4 is a schematic view of the structure of the first nylon component;
FIG. 5 is a schematic view of a second nylon component;
FIG. 6 is a schematic structural view of a third nylon member;
FIG. 7 is a schematic structural view of a first conductive ring or a second conductive ring;
FIG. 8 is a schematic view of the structure of a motor housing;
FIG. 9 is a schematic view of the structure of an oil seal base;
FIG. 10 is a schematic view of the structure of an oil seal body;
FIG. 11 is a schematic view of the structure of an oil cover;
FIG. 12 is a schematic view of the structure of an annular preform;
FIG. 13 is a schematic structural view of the output shaft;
FIG. 14 is a schematic view of a vibrating blade configuration;
FIG. 15 is a schematic view of the structure at the mount;
Fig. 16 is a schematic front view of an overcharge detector.
In the figure: 1-a sensor; 1.1-a tail pipe; 1.2-a first nylon member; 1.3-a first conductive ring; 1.4-a second nylon member; 1.5-a second conductive ring; 1.6-third nylon piece; 1.71-output shaft; 1.72-motor housing; 1.81-an oil seal base; 1.82-an oil seal body; 1.83-oil capping; 1.9-oscillating the blade; 1.10-annular tabletting; 2-transmitting a drawn wire; 3-an overcharge detector; 4-a data terminal; 5-reel; 6-annular buckles; 7-fixing pieces; 7.1-strap perforation; 7.2-cutting edges; 8-a reinforcement cage; 9-cloud.
Detailed Description
Technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the examples of this utility model without making any inventive effort, are intended to fall within the scope of this utility model.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are merely for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the appended claims, and any structural modifications, proportional changes, or dimensional adjustments, which may be made by those skilled in the art, should fall within the scope of the present disclosure without affecting the efficacy or the achievement of the present utility model, and it should be noted that, in the present disclosure, relational terms such as first and second are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual relationship or order between such entities.
The present utility model provides an embodiment:
As shown in fig. 1 to 16, a bored pile overspray inspection and monitoring device comprises a sensor 1, a transmission drawing line 2 and an overspray detector 3; the sensor 1 comprises a detection sensing assembly and an oscillation assembly, the oscillation assembly is used for generating fixed-frequency mechanical waves, the detection sensing assembly is used for detecting and analyzing different feedback waveforms, the medium environment where the sensor is positioned is distinguished according to the analysis results of the different feedback waveforms, and the sensor 1 is transmitted to the superirrigation detector 3 through the transmission drawing line 2 and finally transmitted to the data terminal 4; the two ends of the transmission drawing line 2 are respectively connected with a sensor 1 and an overcast detector 3, the overcast detector 3 is arranged on a reel 5 for pulling and releasing the transmission drawing line 2, and the sensor 1 is arranged at a position of calibrating the height of concrete on a reinforcement cage.
In the embodiment, the detection sensing assembly comprises a tail wire pipe 1.1, a first nylon piece 1.2, a first conducting ring 1.3, a second nylon piece 1.4, a second conducting ring 1.5 and a third nylon piece 1.6 which are connected in sequence, wherein a waveform detection analysis module is arranged in the tail wire pipe 1.1, and the waveform detection analysis module is connected with a transmission drawing wire 2; the vibration assembly comprises a high-frequency motor and a vibration blade 1.9, the vibration blade 1.9 is connected with an output shaft 1.71 of the high-frequency motor, a high-frequency vibration sensing module is arranged in the high-frequency motor, and one end, away from the vibration blade 1.9, of the high-frequency motor is connected with a third nylon piece 1.6. One end of a motor shell 1.72 of the high-frequency motor, which is far away from a third nylon piece 1.6, is connected with an oil sealing piece, the oil sealing piece is movably sleeved on an output shaft 1.71 of the high-frequency motor, and the oil sealing piece comprises an oil sealing base 1.81, an oil sealing body 1.82 and an oil sealing cover 1.83 which are sequentially connected.
The tail end of the tail pipe 1.1 is in threaded connection with the threaded end of the first nylon piece 1.2, the first conducting ring 1.3 is sleeved on a convex ring of the first nylon piece 1.2, which is abutted against the second nylon piece 1.4, the second conducting ring 1.5 is sleeved on a convex ring of the second nylon piece 1.4, which is abutted against the third nylon piece 1.6, and the threaded end of the third nylon piece 1.6 is in threaded connection with the motor casing 1.72; the motor casing 1.72, the oil seal base 1.81, the oil seal body 1.82 and the oil seal cover 1.83 are connected through long bolts, the connection part of the motor casing 1.72 and the oil seal base 1.81 is provided with a matched ring and groove structure, the convex ring of the oil seal body 1.82 is embedded into the groove body of the oil seal cover 1.83, and the end face, close to the oscillating blade 1.9, of the oil seal cover 1.83 is abutted with the annular pressing sheet 1.10.
The working principle of the utility model is as follows:
The incident wave and the reflected wave of the high-frequency mechanical wave in the strong-acoustic-domain environment are different in superposition waveform, and different feedback waveforms can be obtained in the liquid environment with different densities. The higher the density the smaller the amplitude of the feedback waveform. Pouring the cast-in-place pile, namely pouring the formula concrete from the pile bottom upwards, and identifying the liquid environment as concrete slurry, wherein the elastic modulus and the density of the formula concrete are unchanged. The cast-in-place pile casting belongs to hidden construction, the concrete slurry belongs to a wave density ring, and the pile hole diameter is smaller. The environment can obtain stable feedback waveforms by using high-frequency mechanical wave detection. Thus, the liquid environment can be identified by the feedback of the superposition of high frequency mechanical waves in different density concrete slurries.
The high-frequency vibration sensing module is an integrated high-frequency vibration trigger, and based on the CMOS digital-analog mixed signal processing technology, the broadband vibration of 10 Hz-10 KHz is realized, the vibration amplitude is +/-16 g, and the working temperature is high: -40 to +125℃.
The waveform processing analysis module is an integrated singlechip, and integrates a piezoelectric film, a signal conversion module, a power supply circuit, a system analysis calculation CPU and other modules. The piezoelectric film generates electronic pulses linearly related to the amplitude and the wave speed when being impacted by the feedback mechanical wave; the electronic pulse is converted into a digital signal through a signal conversion module, and the feedback waveform is calculated through analysis and calculation.
The sensor built-in waveform processing analysis module transmits the sensed, collected and resolved data to the cloud 9, and the cloud 9 analyzes and compares the data with the pre-calibrated data to judge whether the detected slurry environment is the pre-calibrated concrete slurry at the moment.
The front of the overcharge detector 3 is provided with a power indicator lamp, a switch key, a slurry calibration key, a concrete calibration key and an alarm indicator key; after a period of time, if the green indicator light of the alarm indicator key is long-lighted, the calibration is successful, and if the red light of the alarm indicator key is long-lighted, the calibration is failed, and the calibration is needed to be carried out again.
In the concrete pouring process, when the over-pouring detector 3 detects that the concrete is close to the elevation, a yellow indicator lamp of an alarm indicator key flashes, and meanwhile intermittent beeping sounds are accompanied; when the overcast detector 3 detects that the concrete reaches a specified position, a green indicator light of an alarm indicator key is lightened for a long time and simultaneously continuous beeping sounds are accompanied; when the communication fault or the calibration abnormality occurs in the overcharge detector 3, the red light of the alarm indication key is always on.
Before use, the sensor 1 is inserted into the pre-poured concrete, and the calibration record is already carried out when the equipment prompt lamp flashes and accompanies the voice prompt of 'beep and beep'. When the sensor 1 is buried by the poured concrete in use, the sensor 1 is a voice prompt that the monitored position is reached, so that the on-site grouting control early warning is realized.
In the present embodiment, the mounting methods of the sensor 1 are two types: one is: the sensor 1 is bound on the hanging bars, the hanging bars extend into the cast-in-place pile and are hung on the reinforcement cage, and in the method, the hanging bars are hung at the corresponding elevation positions in the reinforcement cage only when the concrete reaches the elevation positions quickly, so that the power consumption caused by long-term opening of the sensor 1 can be avoided.
The second step is: the sensor 1 is connected with the fixing piece 7 through the annular buckle 6, the fixing piece 7 is provided with a ribbon perforation 7.1, the inner wall of the lower end of the ribbon perforation 7.1 is provided with a cutting edge 7.2, the fixing piece 7 is bound on the steel reinforcement cage through the ribbon, a limiting piece can be arranged above the ribbon on the steel reinforcement cage, rising of the ribbon in the lifting process is avoided, and the ribbon is cut off through the cutting edge 7.2 in the upward lifting process so as to pull the sensor 1 back. Both methods can realize the recycling of the sensor 1.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present utility model should be included in the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a bored concrete pile surpasses irritates inspection monitoring facilities which characterized in that: comprises a sensor (1), a transmission drawing line (2) and an overcast detector (3); the sensor (1) comprises a detection sensing assembly and an oscillation assembly, the oscillation assembly is used for generating fixed-frequency mechanical waves, the detection sensing assembly is used for detecting and analyzing different feedback waveforms, the medium environment where the sensor is positioned is distinguished according to the analysis results of the different feedback waveforms, and the sensor (1) is transmitted to the superirrigation detector (3) through a transmission drawing line (2) and finally transmitted to the data terminal (4); the two ends of the transmission drawing line (2) are respectively connected with the sensor (1) and the superirrigation detector (3), the superirrigation detector (3) is arranged on a reel (5) for pulling and releasing the transmission drawing line (2), and the sensor (1) is arranged at a position for calibrating the height of concrete on the reinforcement cage.
2. A bored pile overscan inspection and monitoring apparatus according to claim 1, characterized in that: the detection sensing assembly comprises a tail wire pipe (1.1), a first nylon piece (1.2), a first conducting ring (1.3), a second nylon piece (1.4), a second conducting ring (1.5) and a third nylon piece (1.6) which are connected in sequence, wherein a waveform detection analysis module is arranged in the tail wire pipe (1.1), and the waveform detection analysis module is connected with the transmission drawing wire (2); the vibration assembly comprises a high-frequency motor and a vibration blade (1.9), the vibration blade (1.9) is connected with an output shaft (1.71) of the high-frequency motor, a high-frequency vibration sensing module is arranged in the high-frequency motor, and one end, away from the vibration blade (1.9), of the high-frequency motor is connected with a third nylon piece (1.6).
3. A bored pile overscan inspection and monitoring apparatus according to claim 2, characterized in that: one end of a motor shell (1.72) of the high-frequency motor, which is far away from a third nylon piece (1.6), is connected with an oil sealing piece, the oil sealing piece is movably sleeved on an output shaft (1.71) of the high-frequency motor, and the oil sealing piece comprises an oil sealing base (1.81), an oil sealing body (1.82) and an oil sealing cover (1.83) which are sequentially connected.
4. A bored pile overscan inspection and monitoring apparatus according to claim 3, characterized in that: the tail end of the tail pipe (1.1) is in threaded connection with the threaded end of the first nylon piece (1.2), the first conducting ring (1.3) is sleeved on a convex ring of the first nylon piece (1.2) which is abutted against the second nylon piece (1.4), the second conducting ring (1.5) is sleeved on a convex ring of the second nylon piece (1.4) which is abutted against the third nylon piece (1.6), and the threaded end of the third nylon piece (1.6) is in threaded connection with the motor casing (1.72);
The motor casing (1.72), oil blanket base (1.81), oil blanket body (1.82) and oil blanket lid (1.83) are through long bolted connection, and the junction of motor casing (1.72) and oil blanket base (1.81) has assorted ring, groove structure, and the bulge loop of oil blanket body (1.82) is embedded into in oil blanket lid (1.83) cell body, and oil blanket lid (1.83) are close to the terminal surface butt of oscillating blade (1.9) and have annular preforming (1.10).
5. A bored pile overscan inspection and monitoring apparatus according to claim 1, characterized in that: the sensor (1) is tied on the hanging bars, and the hanging bars extend into the filling pile and are hung on the reinforcement cage.
6. A bored pile overscan inspection and monitoring apparatus according to claim 1, characterized in that: the sensor (1) is connected with the fixing piece (7) through the annular buckle (6), the fixing piece (7) is provided with a ribbon perforation (7.1), the inner wall of the lower end of the ribbon perforation (7.1) is provided with a cutting edge (7.2), the fixing piece (7) is tied on the reinforcement cage through the ribbon, and the ribbon can be cut off through the cutting edge (7.2) in the upward pulling process so as to pull back the sensor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919235.1U CN220978126U (en) | 2023-07-20 | 2023-07-20 | Filling pile superfilling inspection monitoring equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321919235.1U CN220978126U (en) | 2023-07-20 | 2023-07-20 | Filling pile superfilling inspection monitoring equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220978126U true CN220978126U (en) | 2024-05-17 |
Family
ID=91041868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321919235.1U Active CN220978126U (en) | 2023-07-20 | 2023-07-20 | Filling pile superfilling inspection monitoring equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220978126U (en) |
-
2023
- 2023-07-20 CN CN202321919235.1U patent/CN220978126U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103643703B (en) | Intelligent monitoring device and method for underwater concrete pouring elevation | |
| CN103438871B (en) | Under a kind of high-velocity flow environment, pier subsidence is monitored system and realizes method | |
| JP4569999B2 (en) | Submerged water level gauge | |
| CN201548320U (en) | Vibration monitor | |
| CN220978126U (en) | Filling pile superfilling inspection monitoring equipment | |
| CN112785817A (en) | Impeller type debris flow velocity and mud level monitoring and early warning device and application method | |
| CN114894631B (en) | Remote monitoring high-pressure pipeline water pressure experiment booster unit | |
| CN111042223B (en) | Super-irrigation detection device | |
| CN116856478A (en) | Filling pile superfilling inspection monitoring equipment and method | |
| CN111648769B (en) | Drilling pile drilling while-drilling device suitable for judging boundary depth of earth-going and rock-going formations | |
| CN219416120U (en) | Crack change monitoring device | |
| CN108106682B (en) | Multi-channel ultrasonic open channel flowmeter | |
| CN111218956A (en) | Full-automatic intelligent inspection well cover lock with opening and closing functions, inspection well cover and opening and closing control method | |
| CN209028785U (en) | A kind of well lid open state warning device based on change in signal strength | |
| CN215485989U (en) | Pile-forming diameter real-time monitoring device for high-pressure jet grouting pile | |
| CN116202484A (en) | Sliding inclinometer and inclinometry method | |
| CN208777979U (en) | A kind of Directional Drilling returns and drags duct foreign matter warning device | |
| CN217605078U (en) | Novel laser water level monitoring device | |
| CN217083882U (en) | Hydraulic engineering water level intelligent monitoring equipment | |
| CN216108310U (en) | Piping detection inspection system | |
| CN220983244U (en) | Concentration detection device for mud discharging port of hydraulic filling engineering | |
| CN220982391U (en) | Foundation pit water level monitoring device based on floating plate sliding measurement foundation pit water level | |
| CN221480898U (en) | Foundation pit wall collapse deformation alarm device | |
| CN216668918U (en) | Engineering drilling hydrogeology test water level monitoring device | |
| CN219450855U (en) | Detection device convenient to detect tubular pile integrality |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |