CN114964117A - Pile sinking depth, penetration and resilience detection device and detection method for hammered pile - Google Patents

Pile sinking depth, penetration and resilience detection device and detection method for hammered pile Download PDF

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Publication number
CN114964117A
CN114964117A CN202210496240.XA CN202210496240A CN114964117A CN 114964117 A CN114964117 A CN 114964117A CN 202210496240 A CN202210496240 A CN 202210496240A CN 114964117 A CN114964117 A CN 114964117A
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China
Prior art keywords
pile
penetration
hammer
resilience
pile sinking
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CN202210496240.XA
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Chinese (zh)
Inventor
赵锡增
张军
康成良
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Paiertaike Machinery Technology Tianjin Co ltd
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Paiertaike Machinery Technology Tianjin Co ltd
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Priority to CN202210496240.XA priority Critical patent/CN114964117A/en
Publication of CN114964117A publication Critical patent/CN114964117A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D33/00—Testing foundations or foundation structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • G05B19/0423—Input/output

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)

Abstract

The invention discloses a pile sinking depth, penetration and resilience detecting device and method for a hammering pile, relates to the field of engineering machinery, and aims to solve the problems that most of existing pile sinking depth, penetration and resilience detecting methods for hammering piles are artificial contact measurement, not only are errors caused by manpower exist, but also the potential safety hazard that later-stage precast pile sinking exceeds a standard range due to too low penetration exists. The invention has novel structure, and the device can quantify the data information such as pile sinking depth, penetration degree, resilience amount and the like, and does not need integration so as to avoid generating mathematical calculation errors.

Description

Pile sinking depth, penetration and resilience detection device and detection method for hammered pile
Technical Field
The invention relates to the field of engineering machinery, in particular to a pile sinking depth, penetration and resilience detection device and method for a hammered pile.
Background
The prefabricated pile foundation is the most widely used deep foundation form at present, and the pile end is placed into a harder soil layer and is penetrated into the harder soil layer to a certain depth, so that the pile bearing capacity is obviously improved, and tests and a large number of engineering practices prove that the prefabricated pile foundation has the obvious effect of improving the bearing capacity of the pile. Meanwhile, a large number of theories have deduced that when parameters such as hammering pile sinking equipment, geological conditions, pile types, hammer weights, drop hammer height and the like are basically determined, the final penetration degree is closely related to the actual bearing capacity after pile forming, so that most domestic and foreign constructions use the penetration degree as a hammer receiving standard, and the detection of the penetration degree becomes more important.
Traditional detection method mostly is the artificial contact measurement, not only has the error that the manual work arouses, still has the degree of penetration to hang down and leads to later stage precast pile to subside the potential safety hazard that surpasss standard range, consequently, in order to solve this type of problem, we have proposed the stake depth of sinking, degree of penetration, resilience volume detection device and the detection method of hammering stake.
Disclosure of Invention
The pile sinking depth, penetration and resilience detection device and method for the hammered pile solve the problems that most of existing pile sinking depth, penetration and resilience detection methods for the hammered pile are manual contact measurement, errors caused by manual operation exist, and potential safety hazards that later-stage precast pile settlement exceeds a standard range due to too low penetration exist.
In order to achieve the purpose, the invention adopts the following technical scheme:
stake depth of sinking, penetration, resilience volume detection device of hammering stake, including sensor, next machine and host computer, the output of sensor and the input electric connection of next machine, just the output of next machine and the input electric connection of host computer.
Preferably, the sensors include a distance measuring sensor and a hammer counting sensor.
Preferably, the lower computer comprises an acquisition module, a main controller, a display module, a storage module and a communication module, wherein the input end of the main controller is electrically connected with the output end of the acquisition module, and the main controller is electrically connected with the display module, the storage module and the communication module in a two-way manner.
Preferably, the output ends of the distance measuring sensor and the hammer counting sensor are electrically connected with the input end of the acquisition module.
Preferably, the input end of the upper computer is electrically connected with the output end of the communication module.
The method for detecting the pile sinking depth, the penetration and the resilience of the hammered pile comprises the following steps:
s1, installing a distance measuring sensor device and a hammer counting sensor device, starting a lower computer, and setting preset values of design elevation and penetration and other related information about equipment, construction sites and workers on an information setting control interface;
s2, entering a real-time display interface, starting piling, and detecting the pile sinking depth, penetration and resilience of the driven pile in the pile sinking process;
and S3, stopping piling.
Preferably, the distance measuring sensor collects the vertical distance from the distance measuring sensor to the hammer body in the pile sinking process in real time, and captures the displacement change generated by the hammer body and the pile body at the collision moment in the movement process of the hammer body, wherein one part of the displacement is composed of a hammer pad, a pile pad, the compression amount of the pile body and the like, and the other part of the displacement is the embedded penetration degree.
Preferably, the hammer counting sensor is mounted on the hammer body and used for capturing the action times of the hammer body, the device is used for replacing manual detection and displaying real-time data in a lower computer display in a visualized mode so as to enable workers to judge the whole pile sinking condition.
The invention has the beneficial effects that: according to the technical scheme, data information such as pile sinking depth, penetration, resilience and the like can be quantized, and integration is not needed, so that mathematical calculation errors are avoided; in the construction process, the hammer stopping signal can be automatically provided to replace manual detection, a worker does not need to stand below the pile driver, and the worker can directly observe the data such as the pile sinking depth, the penetration degree, the resilience amount and the like through the display screen to know whether the pile sinking depth reaches the hammer stopping standard, so that the safety is improved, and the error of manual recording is avoided; the device is easy and convenient to operate, can be used without professional training of users, can complete the whole detection work by controlling the display screen by the workers, does not need a huge computer, and reduces the work of carrying and carrying.
Drawings
Fig. 1 is a schematic view of an installation structure of a pile sinking depth, penetration and resilience detecting device and a detecting method for a hammered pile according to the present invention;
fig. 2 is a system block diagram of a pile sinking depth, penetration and resilience detecting device and method for a hammered pile according to the present invention.
Reference numbers in the figures: 1. a sensor; 2. a ranging sensor; 3. a hammer count sensor; 4. a lower computer; 5. an acquisition module; 6. a main controller; 7. a display module; 8. a storage module; 9. A communication module; 10. an upper computer; 11. a hammer body; 12. and (5) a pile body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 and 2, the pile sinking depth, penetration and resilience amount detection device for the hammering pile comprises a sensor 1, a lower computer 4 and an upper computer 10, wherein the output end of the sensor 1 is electrically connected with the input end of the lower computer 4, and the output end of the lower computer 4 is electrically connected with the input end of the upper computer 10.
Referring to fig. 2, sensor 1 includes ranging sensor 2 and hammer count sensor 3, and lower computer 4 includes collection module 5, main control unit 6, display module 7, storage module 8 and communication module 9, the input of main control unit 6 and collection module 5's output electric connection, just main control unit 6 and display module 7, storage module 8 and the two-way electric connection of communication module 9, ranging sensor 2 and hammer count sensor 3's output and collection module 5's input electric connection, upper computer 10's input and communication module 9's output electric connection.
The method for detecting the pile sinking depth, the penetration and the resilience of the hammered pile comprises the following steps: when the device is used, the display module 7 is used for realizing human-computer interaction so as to complete real-time data display and control operation, the storage module 8 is used for storing data of each hammer, the communication module 9 is used for transmitting the data to the upper computer 10, and the upper computer 10 can be connected with the lower computer 4 for communication and data transmission.
After the pile foundation is arranged at a designated position, a lower computer 4 is started, a worker firstly enters an information setting control interface to set preset values of design elevation and penetration and other related information related to equipment, a construction site and the worker, after all the information is set, the worker enters a working interface to select to start piling, the pile sinking depth, the penetration and resilience of the pile during the whole pile sinking process are detected, the vertical distance between a distance measuring sensor 2 and a hammer body 11 during the pile sinking process is acquired in real time through a distance measuring sensor 2, the displacement change generated by the hammer body and a pile body 12 at the collision moment is captured during the movement process of the hammer body 11, one part of the displacement consists of a hammer pad, a pile body compression amount and the like, the other part of the penetration is embedded, and the vibration of the pile hammer system is synchronous during the process that the whole pile hammer system is displaced to the lowest point to the elastic potential energy release after the hammer body 11 and the pile body 12 collide, and after the pile is impacted stably, the hammer body 11 is also stabilized, and the final displacement of the pile and the hammer body is equal, so that the effect of detecting the depth of the pile by detecting the hammer body 11 is achieved, and the data of the pile sinking depth, the penetration and the resilience are obtained by analyzing and processing in the main controller 6.
When the hammer body falls to the position of the hammer counting sensor 3, the hammer counting sensor 3 receives a signal and informs the main controller 6, the main controller 6 immediately starts displacement data acquisition, receives the signal output by the distance measuring sensor 2 at a fixed frequency, when the hammer rebounds to the position of the hammer counting sensor 3 after striking a pile, the sensor 3 again receives the signal and informs the main controller 6, the main controller 6 immediately finishes data acquisition, and starts to perform signal analysis processing, filtering, point finding and other processing on the signal to obtain penetration degree and rebounding amount data, and then the data are displayed through the display module 7, stored by the storage device 8 and transmitted to the upper computer 10 through the communication module 9.
The hammer counting sensor 3 is used for capturing the action times of the hammer body 11, the device is mainly used for replacing manual detection, real-time data are visually displayed in a display of the lower computer 4 and used for enabling workers to judge the whole pile sinking situation, in order to obtain data such as penetration degree and the like, analysis and processing of signals, filtering, point finding and the like need to be completed in a controller, then the signals need to be transmitted to the upper computer 10 for monitoring, data analysis and other functions, and the like And the resilience amount and the like, and finishing the work of displaying, communicating, storing and the like.
When the hammer body 11 falls to the hammer counting sensor 3, the main controller 6 starts displacement data acquisition, when the hammer is rebounded to the position of the hammer counting sensor 3 again after being hit, the main controller 6 finishes acquisition, signals output by the ranging sensor 2 enter the AD module after the time of the hammer body 11 ending and starting the next hammering to reach the position of the sensor to complete AD conversion, then the acquired data enter the main controller 6, the acquired data are subjected to signal analysis and processing, filtering, point finding and the like, the pile sinking depth, the penetration and the rebound amount of the hammered pile are obtained, the display, communication, storage and the like are completed, when the pile sinking depth reaches a standard value range, the moment is taken as a hammer stopping penetration monitoring starting point, the pile penetration data of 3 arrays are continuously monitored, each array is 10 shots, when a preset hammer stopping penetration standard is met, the lower computer 4 gives a hammer stopping signal and then stops piling.
In the whole pile sinking process, the detection device can judge whether the pile depth reaches the hammer stopping standard according to the data obtained by each hammering, the judgment method is that when the pile depth reaches the standard value range, the moment is used as the hammer stopping penetration monitoring starting point, the pile driving penetration data of 3 arrays is continuously monitored, when the preset hammer stopping penetration standard is met, the lower computer 4 gives a hammer stopping signal, and a worker stops driving the pile.
The main controller 6 of the device is responsible for completing the control and scheduling of the whole system; the distance measuring sensor 2 is used for measuring the vertical distance from the hammer body 11 to the sensor 1; the hammer counting sensor 3 outputs signals to the main controller 6, and is responsible for counting the hammering number and serving as a mark for starting and finishing the data acquisition of the main controller 6; the display module 7 is responsible for realizing human-computer interaction; the acquisition module 5 is connected with the distance measuring sensor 2, receives data of the sensor, and sends the data to the main controller 6 after processing; the storage module 8 can perform formatting, storing and external expanding storage functions on data; the communication module 9 is responsible for connecting the upper computer 10 and the lower computer 4 to realize data and command receiving and transmitting.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. Stake sinking depth degree, penetration, resilience volume detection device of hammering stake, including sensor (1), next machine (4) and host computer (10), its characterized in that, the output of sensor (1) and the input electric connection of next machine (4), just the output of next machine (4) and the input electric connection of host computer (10).
2. Pile sinking depth, penetration and rebound detection arrangement for a pile hammer according to claim 1, wherein the sensor (1) comprises a distance measuring sensor (2) and a hammer counting sensor (3).
3. The pile sinking depth, penetration and resilience detection device for the hammering pile according to claim 2, wherein the lower computer (4) comprises an acquisition module (5), a main controller (6), a display module (7), a storage module (8) and a communication module (9), an input end of the main controller (6) is electrically connected with an output end of the acquisition module (5), and the main controller (6) is electrically connected with the display module (7), the storage module (8) and the communication module (9) in a bidirectional mode.
4. The pile sinking depth, penetration and resilience detection device of the hammered pile according to claim 3, wherein the output ends of the distance measuring sensor (2) and the hammer counting sensor (3) are electrically connected with the input end of the acquisition module (5).
5. The pile sinking depth, penetration and resilience detection device of the hammering pile according to claim 3, wherein an input end of the upper computer (10) is electrically connected with an output end of the communication module (9).
6. The method for detecting the pile sinking depth, the penetration and the resilience of the hammered pile is characterized by comprising the following steps of:
s1, installing a distance measuring sensor device and a hammer counting sensor device, starting a lower computer, and setting preset values of design elevation and penetration and other related information about equipment, construction sites and workers on an information setting control interface;
s2, entering a real-time display interface, starting piling, and detecting the pile sinking depth, penetration and resilience of the driven pile in the pile sinking process;
and S3, stopping piling.
7. The method for detecting the pile sinking depth, the penetration and the resilience of the hammered pile according to claim 6, wherein the distance measuring sensor (2) collects the vertical distance from the distance measuring sensor (2) to the hammer body (11) in the pile sinking process in real time, and captures the displacement change of the hammer body (11) and the pile body (12) at the collision moment in the movement process of the hammer body (11), wherein one part of the displacement is composed of the hammer pad, the pile pad and the compression amount of the pile body, and the other part of the displacement is the embedded penetration.
8. The method for detecting the pile sinking depth, the penetration degree and the rebound amount of the hammered pile according to claim 6, wherein the hammer counting sensor (3) is mounted on the hammer body (11) and is used for capturing the action times of the hammer body (11), and the device is used for intuitively displaying real-time data in a display of the lower computer (4) instead of manual detection so as to enable a worker to judge the whole pile sinking condition.
CN202210496240.XA 2022-05-09 2022-05-09 Pile sinking depth, penetration and resilience detection device and detection method for hammered pile Pending CN114964117A (en)

Priority Applications (1)

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CN202210496240.XA CN114964117A (en) 2022-05-09 2022-05-09 Pile sinking depth, penetration and resilience detection device and detection method for hammered pile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210496240.XA CN114964117A (en) 2022-05-09 2022-05-09 Pile sinking depth, penetration and resilience detection device and detection method for hammered pile

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Publication Number Publication Date
CN114964117A true CN114964117A (en) 2022-08-30

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