CN114855894A - Foundation pile detecting system for constructional engineering - Google Patents
Foundation pile detecting system for constructional engineering Download PDFInfo
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- CN114855894A CN114855894A CN202210596353.7A CN202210596353A CN114855894A CN 114855894 A CN114855894 A CN 114855894A CN 202210596353 A CN202210596353 A CN 202210596353A CN 114855894 A CN114855894 A CN 114855894A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
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Abstract
The invention discloses a foundation pile detection system for constructional engineering, which is characterized in that a user inputs required target impulse and transmits the target impulse to a controller through a remote interaction module; the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance; the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept; the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy hammer is lifted; real-time distance between the real-time heavy hammer and the detection point is detected through a distance detection module; when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight drops. Therefore, the accurate control of the descending impact force is realized, the working personnel can know the impact condition in time, and the impact force is accurate.
Description
Technical Field
The invention belongs to the field of foundation pile detection, relates to a foundation pile detection technology, and particularly relates to a foundation pile detection system for constructional engineering.
Background
The high strain method detects the pile foundation, and the problem that the reference pile driving depth is insufficient and displacement is generated in the building process is found in time.
However, the conventional high-strain method for detecting the pile foundation generally adopts a mode of generating vibration force in a free falling body of a heavy hammer, but the mode has the following problems:
firstly, the traditional high strain method detects the mode that the weight in the pile foundation adopts manual unhook, when the unhook is not thorough, has great potential safety hazard.
Secondly, when the traditional heavy hammer moves in a free-fall manner, deviation exists, and data are inaccurate.
Moreover, in the prior art, when the heavy hammer falls freely, the impact force of the heavy hammer is not accurately controlled, the pile foundation cannot be subjected to effective pressure impact in a mode desired by a worker, and the pile foundation cannot be accurately evaluated under the condition of various accurate data, and can only be roughly known by experience;
in order to solve the above-mentioned drawbacks, a solution is now provided.
Disclosure of Invention
The invention aims to provide a foundation pile detection system for constructional engineering.
The purpose of the invention can be realized by the following technical scheme:
a foundation pile detection system for construction work, comprising:
a distance detection module: the device is used for collecting the distance between the heavy hammer and the detection point and marking the distance as a falling distance;
a pressure acquisition module: the real-time impact force detection system is used for collecting impact force applied to a detection point in real time and marking the impact force as actual impact force;
the monitoring module is used for combining the distance detection module and the pressure acquisition module to perform stamping analysis; the specific analysis steps are as follows:
the method comprises the following steps: setting the required actual impact force SCi, i 1.. X1; x1 is a preset value;
step two: the controller drives the relay by means of the relay control unit to keep the electromagnet electrified, so that the electromagnetic attraction heavy hammer is provided;
step three: the controller drives the motor by means of the motor driving unit to drive the screw rod to rotate, so that the top plate is lifted upwards, and the heavy hammer is driven to ascend by means of the top plate;
step four: lifting a preset height, switching off the electromagnet by virtue of a relay, enabling the electromagnet to lose magnetism, enabling the heavy hammer to fall, impacting the ground at the detection point, and detecting the real-time impact force at the detection point;
step five: repeating the first step to the fourth step until all the rising heights, which correspond to the required actual impact force SCi, of the heavy hammer to be lifted are obtained, namely the corresponding falling distances;
step six: marking the falling distance corresponding to the actual impact force SCi as XJi, i being 1.. X1; and SCi corresponds to XJi one to one;
the monitoring module is configured to transmit the actual impact force SCi and the corresponding drop distance XJi to the controller, and the controller transmits the actual impact force SCi and the corresponding drop distance XJi to the database for storage.
Furthermore, the electric conduction condition of the electromagnet is controlled by a relay, the relay and the motor are driven and controlled by a control end, and the control end comprises a controller, a distance detection module, a pressure acquisition module, a monitoring module and a database;
the pressure acquisition module is used for transmitting the actual impact force to the monitoring module.
The intelligent device is used for inputting the required target impulse force by a user and transmitting the target impulse force to the controller through the remote interaction module, the controller matches the target impulse force with the actual impact force SCi to obtain the falling distance corresponding to the actual impact force SCi, and the falling distance is marked as the control distance.
Further, the controller is used for performing impulse operation on the control distance, and the specific operation steps are as follows:
the method comprises the following steps: the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept;
step two: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy hammer is lifted;
step three: real-time distance between the real-time heavy hammer and the detection point is detected through a distance detection module;
step four: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight falls.
Further, the method for detecting by the detection system comprises the following steps:
s1: a user inputs a required target impulse and transmits the target impulse to the controller through the remote interaction module;
s2: the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance;
s3: the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept;
s4: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy hammer is lifted;
s5: real-time distance between the real-time heavy hammer and the detection point is detected through a distance detection module;
s6: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight falls.
The device further comprises a pressure calculation module, wherein the pressure calculation module is used for calculating theoretical impact force, and the theoretical impact force is calculated according to the weight of the heavy hammer and the gravity acceleration;
the pressure calculation module is used for transmitting the theoretical impact force to the monitoring module;
the monitoring module compares the theoretical impact force with the pressure acquisition module to acquire a pressure difference, wherein the pressure difference is the theoretical impact force-the interplanetary impact force;
and when the required actual impact force is set in the first step, taking the value of the required actual impact force + the pressure difference as the set actual impact force.
The invention has the beneficial effects that:
the method comprises the steps that a user inputs required target impulse and transmits the target impulse to a controller through a remote interaction module; the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance; the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept; the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy hammer is lifted; real-time distance between the real-time heavy hammer and the detection point is detected through a distance detection module; when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight drops. Therefore, the accurate control of the descending impact force is realized, the working personnel can know the impact condition in time, and the impact force is accurate.
Drawings
To facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a view showing the construction of a foundation pile inspection device according to the present invention;
FIG. 2 is a block diagram of the detection system of the present invention.
Detailed Description
As shown in fig. 1-2, a foundation pile inspection system for construction engineering includes:
a distance detection module: the distance between the heavy hammer 3 and the detection point 1 is collected and marked as a falling distance;
a pressure acquisition module: the system is used for collecting impact force applied to the detection point 1 in real time and marking the impact force as actual impact force;
the monitoring module is used for combining the distance detection module and the pressure acquisition module to perform stamping analysis; the specific analysis steps are as follows:
the method comprises the following steps: setting the required actual impact force SCi, i 1.. X1; x1 is a preset value;
step two: the controller drives the relay by means of the relay control unit to keep the electromagnet electrified, so that the electromagnetic attraction heavy hammer 3 is provided;
step three: a controller drives a motor by a motor driving unit to drive a screw rod to rotate, so that the top plate 2 is lifted upwards, and a heavy hammer 3 is driven by the top plate 2 to ascend;
step four: lifting the preset height, switching off the electromagnet by virtue of the relay, enabling the electromagnet to lose magnetism, enabling the heavy punch 3 to fall, impacting the ground at the detection point 1, and detecting the real-time impulsive force at the detection point;
step five: repeating the first step to the fourth step until all the rising heights, which correspond to the required actual impact force SCi, of the heavy hammer 3, which should be lifted, are obtained, namely the corresponding falling distances;
step six: marking the falling distance corresponding to the actual impact force SCi as XJi, i being 1.. X1; and SCi corresponds to XJi one to one;
the monitoring module is configured to transmit the actual impact force SCi and the corresponding drop distance XJi to the controller, and the controller transmits the actual impact force SCi and the corresponding drop distance XJi to the database for storage.
Furthermore, the electric conduction condition of the electromagnet is controlled by a relay, the relay and the motor are driven and controlled by a control end, and the control end comprises a controller, a distance detection module, a pressure acquisition module, a monitoring module and a database;
the pressure acquisition module is used for transmitting the actual impact force to the monitoring module.
The intelligent device is used for inputting the required target impulse force by a user and transmitting the target impulse force to the controller through the remote interaction module, the controller matches the target impulse force with the actual impact force SCi to obtain the falling distance corresponding to the actual impact force SCi, and the falling distance is marked as the control distance.
Further, the controller is used for performing impulse operation on the control distance, and the specific operation steps are as follows:
the method comprises the following steps: the electromagnet is kept continuously electrified through the relay control unit, and the electromagnetic ferromagnetism is kept;
step two: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy punch 3 is lifted;
step three: the real-time distance between the real-time heavy hammer 3 and the detection point 1 is detected through a distance detection module;
step four: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight 7 falls.
Further, the method for detecting by the detection system comprises the following steps:
s1: a user inputs a required target impulse and transmits the target impulse to the controller through the remote interaction module;
s2: the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance;
s3: the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept;
s4: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy punch 3 is lifted;
s5: the real-time distance between the real-time heavy hammer 3 and the detection point 1 is detected through a distance detection module;
s6: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight falls.
The device further comprises a pressure calculation module, wherein the pressure calculation module is used for calculating theoretical impact force, and the theoretical impact force is calculated according to the weight of the heavy hammer and the gravity acceleration;
the pressure calculation module is used for transmitting the theoretical impact force to the monitoring module;
the monitoring module compares the theoretical impact force with the pressure acquisition module to acquire a pressure difference, wherein the pressure difference is the theoretical impact force-the interplanetary impact force;
and when the required actual impact force is set in the first step, taking the value of the required actual impact force + the pressure difference as the set actual impact force.
The method comprises the steps that a user inputs required target impulse and transmits the target impulse to a controller through a remote interaction module; the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance; the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept; the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy hammer is lifted; real-time distance between the real-time heavy hammer and the detection point is detected through a distance detection module; when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight drops. Therefore, the accurate control of the descending impact force is realized, so that the working personnel can know the impact condition in time, and the impact force is accurate;
the arrangement of the top plates and the grooves formed in the top plates are used for guiding, so that the heavy hammer can accurately fall, and meanwhile, the foundation pile can be impacted under the control of a user, and accurate assessment and accurate operation are realized; the invention is simple, effective and easy to use.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (6)
1. A foundation pile detection system for construction engineering, comprising:
a distance detection module: the device is used for collecting the distance between the heavy hammer (3) and the detection point (1) and marking the distance as a falling distance;
a pressure acquisition module: the device is used for collecting impact force applied to the detection point (1) in real time and marking the impact force as actual impact force;
the monitoring module is used for combining the distance detection module and the pressure acquisition module to perform stamping analysis; the specific analysis steps are as follows:
the method comprises the following steps: setting the required actual impact force SCi, i 1.. X1; x1 is a preset value;
step two: the controller drives the relay by means of the relay control unit to keep the electromagnet electrified, so that the electromagnetic type heavy hammer has a magnetic attraction heavy hammer (3);
step three: a controller drives a motor by a motor driving unit to drive a screw rod to rotate, so that the top plate (2) is lifted upwards, and a heavy hammer (3) is driven by the top plate (2) to ascend;
step four: lifting the preset height, switching off the electromagnet by virtue of a relay, enabling the electromagnet to lose magnetism, enabling the heavy hammer (3) to fall, impacting the ground at the detection point (1), and detecting the real-time impact force at the detection point;
step five: repeating the first step to the fourth step until all the rising heights of the heavy hammer (3) which should be lifted when the required actual impact force SCi is obtained are the corresponding falling distances;
step six: marking the falling distance corresponding to the actual impact force SCi as XJi, i being 1.. X1; and SCi corresponds to XJi one to one;
the monitoring module is configured to transmit the actual impact force SCi and the corresponding drop distance XJi to the controller, and the controller transmits the actual impact force SCi and the corresponding drop distance XJi to the database for storage.
2. The foundation pile detection system for the building engineering according to claim 1, wherein the electric conduction condition of the electromagnet is controlled by a relay, the relay and the motor are both driven and controlled by a control end, and the control end comprises a controller, a distance detection module, a pressure acquisition module, a monitoring module and a database;
the pressure acquisition module is used for transmitting the actual impact force to the monitoring module.
3. The foundation pile detection system for the construction engineering according to claim 2, further comprising an intelligent device, wherein the intelligent device is used for inputting a required target impulse by a user and transmitting the target impulse to the controller through the remote interaction module, the controller matches the target impulse with an actual impact force SCi, obtains a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance.
4. A foundation pile detection system for construction engineering according to claim 3, wherein:
the controller is used for carrying out impulse operation on the control distance, and the specific operation steps are as follows:
the method comprises the following steps: the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept;
step two: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy punch (3) is lifted;
step three: the real-time distance between the real-time heavy hammer (3) and the detection point (1) is detected through a distance detection module;
step four: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight (3) falls.
5. A foundation pile detection system for construction engineering according to claim 1, wherein the detection method by the detection system is:
s1: a user inputs a required target impulse and transmits the target impulse to the controller through the remote interaction module;
s2: the controller matches the target impact force with the actual impact force SCi to obtain a falling distance corresponding to the actual impact force SCi, and marks the falling distance as a control distance;
s3: the electromagnet is kept electrified continuously through the relay control unit, and the electromagnetic ferromagnetism is kept;
s4: the motor is driven by the motor driving unit to drive the lead screw to rotate, so that the heavy punch (3) is lifted;
s5: the real-time distance between the real-time heavy hammer (3) and the detection point (1) is detected through a distance detection module;
s6: when the real-time distance is equal to the control distance, the relay control unit is driven to control the relay, so that the electromagnet is controlled to be powered off; the weight falls.
6. The foundation pile detection system for building engineering according to claim 1, further comprising a pressure calculation module, wherein the pressure calculation module is configured to calculate a theoretical impact force, and the theoretical impact force is an impact force calculated according to the weight of the weight and the gravitational acceleration;
the pressure calculation module is used for transmitting the theoretical impact force to the monitoring module;
the monitoring module compares the theoretical impact force with the pressure acquisition module to acquire a pressure difference, wherein the pressure difference is the theoretical impact force-the interplanetary impact force;
and when the required actual impact force is set in the first step, taking the value of the required actual impact force + the pressure difference as the set actual impact force.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016183940A (en) * | 2015-03-27 | 2016-10-20 | 日本電気株式会社 | Impact testing device and method for calculating adjustment value of impact testing device |
| CN110749515A (en) * | 2019-11-01 | 2020-02-04 | 王秋林 | Building foundation pile detection device and detection method thereof |
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- 2022-05-30 CN CN202210596353.7A patent/CN114855894A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016183940A (en) * | 2015-03-27 | 2016-10-20 | 日本電気株式会社 | Impact testing device and method for calculating adjustment value of impact testing device |
| CN110749515A (en) * | 2019-11-01 | 2020-02-04 | 王秋林 | Building foundation pile detection device and detection method thereof |
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