CN216622380U - Pile foundation pore-forming quality real-time monitoring device and equipment - Google Patents
Pile foundation pore-forming quality real-time monitoring device and equipment Download PDFInfo
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- CN216622380U CN216622380U CN202122648555.5U CN202122648555U CN216622380U CN 216622380 U CN216622380 U CN 216622380U CN 202122648555 U CN202122648555 U CN 202122648555U CN 216622380 U CN216622380 U CN 216622380U
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Abstract
The utility model provides a pile foundation pore-forming quality real-time monitoring device and equipment, the device comprises: the system comprises a plurality of stay rope type displacement sensors, an AD conversion module, a control module and an alarm module, wherein the output end of each stay rope type displacement sensor is in communication connection with the input end of the AD conversion module through a monitoring cable arranged on the corresponding pit wall, the output end of the AD conversion module is in communication connection with the input end of the control module, and the output end of the control module is in communication connection with the alarm module; the utility model provides a device for monitoring the pile foundation pore-forming quality in real time, which is characterized in that stay rope type displacement sensors correspond to pore walls one by one, and monitoring cables corresponding to each stay rope type displacement sensor are bent, wound and attached to the inner side surface of one pit wall.
Description
Technical Field
The utility model relates to the field of foundation construction in power transmission line engineering, in particular to a device and equipment for monitoring pile foundation pore-forming quality in real time.
Background
The excavation foundation is used as a hidden project and is applied in a large scale in a power transmission line project, but the existing detection method is laggard behind for detecting various indexes of a pile foundation in a hole forming process, after hole forming and before concrete pouring.
The traditional pile foundation detection method comprises a static load test, a low strain integrity detection, a high strain detection and the like, which are all used for detection after the cast concrete is formed into a pile, have respective defects and are not beneficial to being popularized to the construction process for implementation; for example, the dead load method has many preparation processes, long time consumption and high cost; a sensor is arranged on the pile top by a low strain method and used for measuring the quality and defects of the pile body; the high strain method needs a special pile hammer, the installation and operation of the sensor are complex, the sensor is easy to break, the cost is high, and only a small part of indexes can be measured.
The traditional detection mode can not monitor the hole forming quality in the construction process, and lacks a technical means for finding or monitoring the change of the pile foundation hole forming quality in advance; and the monitoring of the hole forming quality at a certain linear position (central position) can only be carried out on the pile foundation hole forming, the monitoring of the whole pit wall can not be realized, and the monitoring accuracy is not high.
Disclosure of Invention
The utility model aims to solve the problems in the prior art, and innovatively provides a pile foundation hole forming quality real-time monitoring device and equipment, which not only can realize the real-time monitoring of pile foundation hole forming, but also can realize the quality monitoring of the whole pit wall, and improve the monitoring accuracy.
The utility model provides a pile foundation pore-forming quality real-time monitoring device in a first aspect, which comprises: the system comprises a plurality of stay rope type displacement sensors, an AD conversion module, a control module and an alarm module, wherein the output end of each stay rope type displacement sensor is in communication connection with the input end of the AD conversion module through a monitoring cable arranged on the corresponding pit wall, the output end of the AD conversion module is in communication connection with the input end of the control module, and the output end of the control module is in communication connection with the alarm module; the pull rope type displacement sensors correspond to the hole walls one by one, and the monitoring cable corresponding to each pull rope type displacement sensor is bent, wound and attached to the inner side surface of one pit wall.
Optionally, the monitoring cable corresponding to each stay wire type displacement sensor is wound on the inner side surface of a pit wall in a bending way to form a plurality of zigzag or spiral shapes.
Furthermore, the stay rope of each stay rope type displacement sensor is fixedly connected with the corresponding monitoring cable.
Optionally, the monitoring cable corresponding to the pull rope of each pull rope type displacement sensor is detachably and fixedly connected with the inner side surface of a pit wall.
Furthermore, a detachable fixing column is arranged at the inflection point of the cable on the inner side surface of the pit wall.
Optionally, the display device further comprises a display module and a signal transmission module, and the control module is in communication connection with the display module through the signal transmission module.
Further, the signal transmission module is a DB serial port connector.
Optionally, the device further comprises a power supply module, and a power supply output end of the power supply module is connected with power supply input ends of the pull rope type displacement sensors, the AD conversion module, the control module and the alarm module respectively.
Optionally, the AD conversion module is an ADC chip.
The utility model also provides real-time monitoring equipment for pile foundation pore-forming quality, which comprises the real-time pile foundation pore-forming quality monitoring device and a protective shell.
The technical scheme adopted by the utility model comprises the following technical effects:
the utility model aims to solve the problems in the prior art and innovatively provides a pile foundation pore-forming quality real-time monitoring device, wherein a monitoring cable corresponding to each stay cord type displacement sensor is bent, wound and attached to the inner side surface of a pit wall, so that the monitoring area range of the inner side surface of a single pit wall is increased, the pile foundation pore-forming real-time monitoring can be realized, the quality monitoring of the whole pit wall can be realized, and the monitoring accuracy is improved.
In the technical scheme of the utility model, the monitoring cable corresponding to each stay rope type displacement sensor is bent and wound on the inner side surface of one pit wall to form a plurality of zigzag shapes or spiral shapes, and the zigzag shapes can be determined according to the shape and size of the pile foundation formed hole, so that the monitoring area range of the inner side surface of the single pit wall is further enlarged.
According to the technical scheme, the monitoring cables corresponding to the pull ropes of each pull rope type displacement sensor are detachably and fixedly connected with the inner side surface of the pit wall, so that the real-time monitoring of the pile foundation pore-forming quality can be guaranteed, the disassembly is convenient, and the convenience and the practicability of the monitoring device are improved.
The technical scheme of the utility model also provides real-time monitoring equipment for the pile foundation pore-forming quality, which comprises a real-time pile foundation pore-forming quality monitoring device and a protective shell, and can effectively protect the monitoring device and reduce the damage of the monitoring device caused by external interference.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model, as claimed.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without any creative effort.
FIG. 1 is a schematic diagram of an apparatus according to an embodiment of the present invention;
fig. 2 is a schematic circuit diagram of an AD conversion module 2 in an apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic circuit diagram of a control module 3 in an apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic circuit diagram of a reset circuit in the control module 3 according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of the alarm module 4 in an apparatus according to an embodiment of the present invention;
FIG. 6 is a schematic circuit diagram of a matrix key circuit in a device according to an embodiment of the present invention;
FIG. 7 is a top view of a monitoring cable wound zigzag on the inner surface of a pit wall according to a first embodiment of the present invention;
FIG. 8 is a front view of a monitoring cable wound zigzag on the inner surface of a pit wall according to a first embodiment of the present invention;
fig. 9 is a schematic perspective view of a monitoring cable wound zigzag on an inner surface of a pit wall according to a first embodiment of the present invention;
FIG. 10 is a top view of a monitoring cable wound in a spiral shape while being bent on the inner surface of a pit wall according to a first embodiment of the present invention;
FIG. 11 is a front view of a monitoring cable wound zigzag on the inner surface of a pit wall according to a first embodiment of the present invention;
fig. 12 is a schematic perspective view illustrating a monitoring cable wound zigzag on an inner surface of a pit wall according to a first embodiment of the present invention;
FIG. 13 is a schematic circuit diagram of a hand-held LCD panel in an apparatus according to an embodiment of the present invention;
FIG. 14 is a schematic diagram of an enable selection circuit of a hand-held LCD and a digital display tube in an apparatus according to an embodiment of the present invention;
FIG. 15 is a schematic circuit diagram of a digital display tube in an apparatus according to an embodiment of the present invention;
FIG. 16 is a circuit diagram of a driver chip in an apparatus according to an embodiment of the utility model;
fig. 17 is a schematic circuit diagram of a serial port data status indicator lamp in an apparatus according to an embodiment of the present invention.
Detailed Description
In order to clearly explain the technical features of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings. The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples. This repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. It should be noted that the components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and procedures are omitted so as to not unnecessarily limit the utility model.
Example one
As shown in fig. 1, the present invention provides a real-time monitoring device for pile foundation hole-forming quality, which comprises: the system comprises a plurality of stay cord type displacement sensors 1, an AD conversion module 2, a control module 3 and an alarm module 4, wherein the output end of each stay cord type displacement sensor 1 is in communication connection with the input end of the AD conversion module 2 through a monitoring cable 5 arranged on the corresponding pit wall, the output end of the AD conversion module 2 is in communication connection with the input end of the control module 3, and the output end of the control module 3 is in communication connection with the alarm module 4; the pull rope type displacement sensors 1 correspond to the hole walls one by one, and the monitoring cable 5 corresponding to each pull rope type displacement sensor 1 is bent, wound and attached to the inner side surface of one pit wall.
The displacement sensor is a linear device belonging to metal induction and is used for converting a measured physical quantity into electric quantity, converting mechanical displacement into resistance output in a linear or any functional relation with the mechanical displacement through a potentiometer element, wherein the variable quantity of the resistance value reflects the magnitude of the displacement, and the increase or decrease of the resistance value indicates the direction of the displacement. The pull rope type displacement sensor 1 is a displacement sensor comprising a pull rope, and the displacement of an object to be monitored is determined by monitoring the displacement of the pull rope.
Therefore, whether there is the possibility that deformation (displacement) comes monitoring pore-forming quality and pile foundation to collapse through measuring the pitwall, consequently, through with the external monitoring cable 5 of 1 stay cord of stay cord formula displacement sensor, the monitoring cable is laid at pile foundation pitwall, gathers pore-forming quality data in real time, passes through AD conversion module 2 with the data of gathering simultaneously and transmits to control module 3. The pull rope type displacement sensor 1 may be WXY60, or may be a pull rope type displacement sensor of another type, which is not limited herein. The monitoring cable 5 can produce the displacement when gathering the corresponding pithead wall and take place to warp or the crackle, with displacement conduction to the stay cord that corresponds stay cord formula displacement sensor 1 simultaneously, outputs an electric signal proportional with stay cord displacement when the stay cord extends, carries out analysis processes to the electric signal, can reachs the pithead wall quality change condition.
The AD (analog-to-digital conversion) conversion module 2 may be an ADC (analog-to-digital converter) chip, for example, an ADC chip with model PCF8591 may be selected, or ADC chips with other models may also be selected, and the utility model is not limited herein. Specifically, as shown in fig. 2, an input end (pin 1 or pin 2 or pin 3 or pin 4) of the PCF8591 chip U6 is connected to an output end of the pull-cord type displacement sensor 1, an output end (pin 9 and pin 10) of the PCF8591 chip U6 is connected to an input end of the control module 3 through an I2C (serial transmission bus) interface, and a power supply terminal VDD is connected to a 5V power supply.
The control module 3 acquires the displacement data of each stay rope type displacement sensor 1, and the alarm module 4 gives an alarm when the displacement data exceeds a preset value. The model of the control module 3 may be AT89C52, or may be a single chip microcomputer of other models, and the present invention is not limited herein. Specifically, the alarm module 4 may be an alarm indicator lamp or an audible and visual alarm.
Specifically, the input end (pin 16 and pin 17) of the control module 3(U5) is in communication connection with the output end of the AD conversion module 2 through an I2C interface, and acquires displacement data of the pull-cord type displacement sensor 1. Further, in order to ensure the operational reliability of the control module 3, a reset circuit is provided, as shown in fig. 4, for resetting the control module 3 when a fault or downtime occurs, that is, the output terminal (RST) of the reset circuit is communicatively connected to the reset terminal (pin 9) of the control module 3 (U5). The RESET circuit may be implemented as a RESET button, the output of which is controlled by a RESET button (RESET).
Further, as shown in fig. 5, the alarm module 4 includes a buzzer BZ1, one path of one end of the buzzer BZ1 is connected with one end of a resistor R7, the other path is connected with the cathode of a diode D4, the other path is grounded, and the other path is in communication connection with the anode of a diode D4, so as to prevent the current from flowing backwards; the other end of the resistor R7 is connected with the emitter of the triode Q22, the collector of the triode Q22 is connected with the 5V power supply, and the base of the triode Q22 is connected with the alarm output end of the control module 3 through a resistor R52. Further, as shown in fig. 6, the threshold of the pull-cord type displacement sensor 1 monitored in the control module 3 may be set manually through a matrix key circuit connected to the serial port connector J7, or may be set in other manners, which is not limited herein.
As shown in fig. 7 to 12, the monitoring cable 5 corresponding to each stay wire type displacement sensor 1 may be formed by winding and bending on the inner side surface of a pit wall in a zigzag shape or a spiral shape. Specifically, fig. 7-9 show that the monitoring cable 5 is formed by winding and bending the inside surface of a pit wall in a zigzag shape, and the number of the zigzag shapes can be adjusted according to actual conditions, for example, if the length of the monitoring cable 5 is sufficient and the pit wall monitoring area of the target pile foundation hole is large enough, the number of the zigzag shapes can be increased appropriately, that is, the distance between different cable sections in the same direction is reduced; if the length of the monitoring cable 5 is not enough and the pit wall monitoring area of the target pile foundation hole forming can be reduced, the number of zigzag shapes can be properly reduced, namely, the distance between different sections of cables in the same trend is increased. Fig. 10-12 show that the monitoring cable 5 is formed by winding and bending the inner side surface of a pit wall into a spiral shape, and the number of the winding and bending of the spiral cable can be adjusted according to actual conditions, for example, if the length of the monitoring cable 5 is sufficient and the pit wall monitoring area of the target pile foundation hole is large enough, the number of the winding and bending of the spiral cable can be increased appropriately, that is, the distance between different sections of cables in the same direction is reduced; if the length of the monitoring cable 5 is not enough and the pit wall monitoring area of the target pile foundation pore-forming can be reduced, the number of the winding bends of the spiral cable can be properly reduced, namely, the distance between different sections of cables in the same trend is increased.
Further, when the monitoring cable 5 is formed by bending and winding the inner side surface of a pit wall into a plurality of zigzag shapes, the distance between different sections of cables in the same direction can be uniform or non-uniform, and can be symmetrical about the central axis of a pile foundation hole to reduce the wiring difficulty, and can also be asymmetrical and flexibly arranged. When the monitoring cable 5 is formed by winding the inner side surface of a pit wall in a bending way, the distance between different sections of cables in the same direction can be uniform so as to reduce the wiring difficulty, and can also be non-uniform and can be flexibly arranged.
The pulling rope of each pulling rope type displacement sensor 1 is fixedly connected with the corresponding monitoring cable 5, wherein the fixing mode can be a snap connection, or a clamp fixing or other fixing modes, and the utility model is not limited herein.
The monitoring cable 5 corresponding to the pull rope of each pull rope type displacement sensor 1 is detachably and fixedly connected with the inner side surface of a pit wall. Specifically, for example, detachable fixing posts (such as nuts or nails, not shown in the drawings) may be disposed at the inflection points of the monitoring cables 5 on the inner side surface of a pit wall (the monitoring cables 5 running along different sections) to detachably and fixedly connect the monitoring cables 5 to the inner side surface of a pit wall.
Preferably, pile foundation pore-forming quality real-time supervision device still includes display module 6 and signal transmission module 7, and control module 3 passes through signal transmission module 7 and display module 6 communication connection.
Specifically, signal transmission module 7 is DB serial port connector J6, and display module 6 can be hand-held liquid crystal display, adopts hand-held liquid crystal display to show the measurement value. Carry out electrical connection with signal transmission module 7 and hand-held type liquid crystal display, through hand-held type liquid crystal display with control module 3 transmission to signal transmission module 7's displacement numerical value clear display. The liquid crystal screen has comprehensive content and clear display, and meets the requirements of construction measurement. Further, the display module 6 may include a digital display tube and an indicator light in addition to the hand-held liquid crystal display.
Specifically, as shown in fig. 13 to 14, the control module 3(U5) is communicatively connected to the hand-held liquid crystal displays (LCD1 and LCD2) through the DB serial connector J6, and can select an object of the current communication connection through the enable select signals (ENLCD1 and ENLCD 2); specifically, selection enablement of the current communication connection object may be achieved by a connector J4(ENLCD), a jumper connector J8 (selected by a jumper cap corresponding to the jumper connector J8); the signal ENLCD of the control module 3 is mainly used for enabling the hand-held liquid crystal display, and is displayed by the LCD1 or displayed by the LCD2 through the jumper cap corresponding to the jumper connector J8. The selection of the communication object of the control module 3 with the LCD1 or the LCD2 is realized by the connectors J4(P1.0 and P1.1), the jumper connector J13 and the jumper connector J14. The MC interface in fig. 14 may be used to extend other functions, such as motors, etc., and the utility model is not limited thereto.
As shown in fig. 15-17, the DB serial port connector J6 realizes the display of digital display tubes (DS1-DS6) through the driver chip U2 and the DB serial port harness, and each digital display tube displays a number for visually displaying the displacement monitoring data of the pull-cord type displacement sensor 1. The control module 3 also selects the address of the communication connection object of the control module 3 through address signals (ADDR0-ADDR3) output by the jumper connector J13, the jumper connector J14, the jumper connector J15 and the jumper connector J16 as shown in FIG. 14, the display of the digital display tube (DS1-DS6) is driven through enable signals (LEDS0-LEDS5) output by the driving chip U3, the LEDS6 enable signal is used for controlling the DB serial data state (high level or low level) output by the driving chip U3 to correspond to the enable of the indicator lamp (LED2-LED9), and the DB serial data state can be intuitively displayed.
Further, pile foundation pore-forming quality real-time supervision device still includes power module 8, and power module 8's power output end is connected with the power input end of a plurality of stay cord formula displacement sensor 1, AD conversion module 2, control module 3, alarm module 4 respectively. The power module 8 may be a lithium battery and the voltage and current specification parameter may be 12V/10A.
The technical scheme of the utility model also provides real-time monitoring equipment for the pile foundation pore-forming quality, which comprises a pile foundation pore-forming quality real-time monitoring device and a protective shell. Wherein, protective housing is mechanical housing for protect pile foundation pore-forming quality real-time supervision device, with the measurement user demand who satisfies the job site, preferably, protective housing can be aluminum alloy casing.
The utility model aims to solve the problems in the prior art and innovatively provides a pile foundation pore-forming quality real-time monitoring device, wherein a monitoring cable corresponding to each stay cord type displacement sensor is bent, wound and attached to the inner side surface of a pit wall, so that the monitoring area range of the inner side surface of a single pit wall is increased, the pile foundation pore-forming real-time monitoring can be realized, the quality monitoring of the whole pit wall can be realized, and the monitoring accuracy is improved.
In the technical scheme of the utility model, the monitoring cable corresponding to each stay rope type displacement sensor is bent and wound on the inner side surface of the pit wall to form a plurality of zigzag shapes or spiral shapes, and the zigzag shapes or spiral shapes can be determined according to the shape and size of the pile foundation hole, so that the monitoring area range of the inner side surface of the single pit wall is further enlarged.
According to the technical scheme, the monitoring cables corresponding to the pull ropes of each pull rope type displacement sensor are detachably and fixedly connected with the inner side surface of the pit wall, so that the real-time monitoring of the pile foundation pore-forming quality can be guaranteed, the disassembly is convenient, and the convenience and the practicability of the monitoring device are improved.
The technical scheme of the utility model also provides real-time monitoring equipment for the pile foundation pore-forming quality, which comprises a real-time pile foundation pore-forming quality monitoring device and a protective shell, and can effectively protect the monitoring device and reduce the damage of the monitoring device caused by external interference.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. The utility model provides a pile foundation pore-forming quality real-time supervision device, characterized by includes: the system comprises a plurality of stay cord type displacement sensors, an AD conversion module, a control module and an alarm module, wherein the output end of each stay cord type displacement sensor is in communication connection with the input end of the AD conversion module through a monitoring cable arranged on the corresponding pit wall, the output end of the AD conversion module is in communication connection with the input end of the control module, and the output end of the control module is in communication connection with the alarm module; the pull rope type displacement sensors correspond to the hole walls one by one, and the monitoring cable corresponding to each pull rope type displacement sensor is bent, wound and attached to the inner side surface of one pit wall.
2. The device for real-time monitoring of pile foundation pore-forming quality according to claim 1, wherein the monitoring cable corresponding to each stay cord type displacement sensor is formed in a zigzag or spiral shape by winding and bending on the inner side surface of a pit wall.
3. The device for monitoring the pile foundation pore-forming quality in real time as claimed in claim 2, wherein the pull rope of each pull rope type displacement sensor is fixedly connected with the corresponding monitoring cable.
4. The device for monitoring the pile foundation pore-forming quality in real time as claimed in claim 1, wherein the monitoring cable corresponding to the pull rope of each pull rope type displacement sensor is detachably and fixedly connected with the inner side surface of a pit wall.
5. The device for monitoring the pile foundation pore-forming quality in real time as claimed in claim 4, wherein a detachable fixing column is arranged at an inflection point of a monitoring cable on the inner side surface of a pit wall.
6. The device for monitoring the pile foundation pore-forming quality in real time as claimed in claim 1, further comprising a display module and a signal transmission module, wherein the control module is in communication connection with the display module through the signal transmission module.
7. The device for monitoring the pile foundation pore-forming quality in real time as claimed in claim 6, wherein the signal transmission module is a DB serial port connector.
8. The device for monitoring the pile foundation pore-forming quality in real time as claimed in any one of claims 1-7, further comprising a power supply module, wherein the power output end of the power supply module is respectively connected with the power input ends of the plurality of stay cord type displacement sensors, the AD conversion module, the control module and the alarm module.
9. The pile foundation pore-forming quality real-time monitoring device according to any one of claims 1-7, wherein the AD conversion module is an ADC chip.
10. A pile foundation pore-forming quality real-time monitoring device, which is characterized by comprising the pile foundation pore-forming quality real-time monitoring device as claimed in any one of claims 1 to 9 and a protective shell.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202122648555.5U CN216622380U (en) | 2021-11-01 | 2021-11-01 | Pile foundation pore-forming quality real-time monitoring device and equipment |
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| CN202122648555.5U CN216622380U (en) | 2021-11-01 | 2021-11-01 | Pile foundation pore-forming quality real-time monitoring device and equipment |
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| CN216622380U true CN216622380U (en) | 2022-05-27 |
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| CN202122648555.5U Active CN216622380U (en) | 2021-11-01 | 2021-11-01 | Pile foundation pore-forming quality real-time monitoring device and equipment |
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