CN113482899A - Automatic pumping control method and system for concrete pump truck - Google Patents
Automatic pumping control method and system for concrete pump truck Download PDFInfo
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- CN113482899A CN113482899A CN202110839794.0A CN202110839794A CN113482899A CN 113482899 A CN113482899 A CN 113482899A CN 202110839794 A CN202110839794 A CN 202110839794A CN 113482899 A CN113482899 A CN 113482899A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
- F04B49/065—Control using electricity and making use of computers
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D15/00—Handling building or like materials for hydraulic engineering or foundations
- E02D15/02—Handling of bulk concrete specially for foundation or hydraulic engineering purposes
- E02D15/04—Placing concrete in mould-pipes, pile tubes, bore-holes or narrow shafts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/02—Stopping, starting, unloading or idling control
- F04B49/022—Stopping, starting, unloading or idling control by means of pressure
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The application discloses a pumping automation control method and system of a concrete pump truck, wherein the method comprises the following steps: the sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation and sends the pumping parameters to the industrial personal computer through the PLC processing device; the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters, generates a pumping control signal and sends the pumping control signal to the PLC processing device; and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal. According to the method and the device, the concrete pump truck can observe the concrete pumping operation process, and meanwhile, the pumping operation can be timely controlled according to the pumping parameters, so that the pumping performance of the concrete pump truck is improved.
Description
Technical Field
The application relates to the technical field of engineering machinery, in particular to a pumping automation control method and system of a concrete pump truck.
Background
With the development of infrastructure construction in a large scale, a large commercial concrete market is generated, the demand of a mixing plant is larger and larger, the metering requirement is higher and higher, and with the development of a computer technology, an automatic detection and sensing technology, an automatic control technology and a communication technology, the intuition, the accuracy and the intellectualization of measurement and the reliability of control, process automation and information management automation are undoubtedly the development direction of concrete pumping.
Due to the restriction of conditions such as working conditions or cost, most of the pumping of the pump truck is artificial experience, the conditions such as pump blockage during pumping cannot be known, the pumping times are fully dependent on the artificial experience, and even if automatic pumping equipment is provided, the price and the cost are high, so the safety and the cost of pumping are still important concerns; and certain requirements are needed for coordination, and the related control technical state is a typical open-loop control, so that the control performance of the pump under different pumping conditions is greatly changed. Therefore, the pumping performance of the concrete pump truck is low.
Disclosure of Invention
In order to improve the pumping performance of the concrete pumping vehicle, the application provides an automatic pumping control method and system of the concrete pumping vehicle.
In a first aspect, the application provides an automatic pumping control method for a concrete pump truck, which adopts the following technical scheme:
an automatic pumping control method of a concrete pump truck comprises the following steps:
the method comprises the following steps that sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation, and the pumping parameters are sent to an industrial personal computer through a PLC processing device;
the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters, generates a pumping control signal and sends the pumping control signal to the PLC processing device;
and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal.
By adopting the technical scheme, when the concrete pump truck carries out pumping operation, the sensor equipment arranged on the concrete pump truck acquires pumping parameters of the concrete pump truck when the concrete pump truck carries out pumping operation, the pumping parameters can be pumping pressure data, pumping times and the like, the parameters acquired by the sensor equipment are all sent to the PLC processing device, the PLC processing device sends the pumping parameters to the industrial personal computer through a wireless routing technology, the industrial personal computer is used for observing the pumping operation process, the industrial personal computer carries out analysis processing on the pumping operation according to the pumping parameters, the pumping operation of the concrete pump truck is controlled according to the analysis processing result, a pumping control signal is generated, the pumping control signal is sent to the PLC processing device, and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal. Therefore, the concrete pump truck can observe the concrete pumping operation process, and can control the pumping operation in time according to the pumping parameters, so that the pumping performance of the concrete pump truck is improved.
Optionally, the sensor device acquires pumping parameters of the concrete pump truck for pumping operation, and before the pumping parameters are sent to the industrial personal computer through the PLC processing device, the method further includes:
the method comprises the steps that an industrial personal computer obtains club-footed pile information of a pile machine, generates a starting control signal of the concrete pump truck according to the club-footed pile information, and sends the starting control signal to a PLC processing device;
and the PLC processing device controls the concrete pump truck to start pumping operation according to the starting control signal.
Through adopting above-mentioned technical scheme, in order to increase the continuity of engineering implementation, improve overall planning efficiency, concrete pump truck's pumping operation is with the pile process linkage of stake machine, consequently, the industrial computer need acquire the club-footed pile information of stake machine, after having confirmed the stake machine according to club-footed pile information and having accomplished pile driving club-footed operation, generate concrete pump truck's start control signal, with start control signal transmission to PLC processing apparatus, PLC processing apparatus opens pumping operation through start control signal control concrete pump truck. The automatic starting of the concrete pump truck is realized after the pile machine finishes the piling and bottom expanding operation in the engineering construction process.
Optionally, the sensor device includes a switch sensor and a pressure sensor, the switch sensor is arranged on a concrete pump switch of the concrete pump truck, the pressure sensor is arranged at a concrete pump opening of the concrete pump truck,
the sensor equipment gathers the pumping parameter that the mobile concrete pump carries out pumping operation, will through PLC processing apparatus the pumping parameter sends to the industrial computer, includes:
the switch sensor measures the concrete pump switch to obtain pumping times, and sends the pumping times to the PLC processing device;
the pressure sensor measures pumping pressure data of the concrete pump truck, and the pumping times are sent to the PLC processing device;
and the PLC processing device sends the pumping pressure data and the pumping times to an industrial personal computer.
By adopting the technical scheme, the most important two points in the pumping operation process of the concrete pump truck are the pumping times related to the concrete pouring volume and the pumping pressure value related to the safety of the concrete pump. Therefore, the sensor device mainly comprises a switch sensor and a pressure sensor, wherein the switch sensor is arranged on a concrete pump switch of the concrete pump truck and used for detecting the concrete pump delivering the concrete for a plurality of times, each time is equal to one rotation of a motor of the concrete pump, and the pressure sensor is arranged at a concrete pump opening of the concrete pump truck. The switch sensor measures a concrete pump switch to obtain pumping times, the pumping times are sent to the PLC processing device, the pressure sensor measures pumping pressure data of the concrete pump truck, the pumping times are sent to the PLC processing device, and the PLC processing device sends the pumping pressure data and the pumping times to the industrial personal computer through a wireless routing technology after receiving the data of the switch sensor and the pressure sensor. The pressure sensor is arranged for detecting the concrete pump truck in the aspect of pumping operation safety, and the switch sensor is arranged for detecting the concrete pump truck in the aspect of actual pumping operation execution.
Optionally, the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters, generates a pumping control signal, and sends the pumping control signal to the PLC processing device, including:
the industrial personal computer determines the volume of the concrete pumped in a single time according to the pumping pressure data;
the industrial personal computer calculates the volume of the poured concrete according to the pumping times and the volume of the concrete pumped in one time;
the industrial personal computer calculates to obtain the volume of the club-footed pile according to the information of the club-footed pile;
the industrial personal computer subtracts the volume of the poured concrete from the volume of the club-footed pile, and then divides the volume of the poured concrete by the volume of the concrete pumped in one time to obtain the remaining pumping times;
the industrial personal computer generates a pumping control signal according to the residual pumping times;
and the industrial personal computer sends the pumping control signal to the PLC processing device.
By adopting the technical scheme, the concrete pump has rated output pressure and is used for outputting concrete from a pipeline port and pouring the concrete into the club-footed pile, and as the sizes of the pipeline and the concrete pump port are determined, the industrial personal computer can determine the volume of the concrete pumped once according to pumping pressure data, particularly the volume of the concrete output by the concrete pump per revolution, and then the volume of the poured concrete can be calculated by multiplying the pumping times by the volume of the concrete pumped once; the industrial personal computer utilizes the pedestal pile information, the pedestal pile information comprises the piling depth, the pedestal diameter, the drill bit diameter and the like, so that the pedestal pile volume can be calculated, the residual pumping times can be obtained by subtracting the volume of the poured concrete from the pedestal pile volume and dividing the volume of the poured concrete by the volume of the single-time pumping concrete, pumping control signals are generated according to the residual pumping times, the pumping control signals are sent to the PLC processing device, and the PLC processing device can control the concrete pump truck to carry out pumping operation according to the pumping control signals. According to the pumping parameters and the information of the club-footed pile, the control of the pumping times of the concrete pump truck is realized, and the accuracy of pumping operation is improved.
Optionally, before the industrial personal computer determines the volume of the concrete pumped in a single time according to the pumping pressure data, the industrial personal computer further includes:
the industrial personal computer judges whether the pumping pressure data is abnormal or not;
if the pump blocking situation is abnormal, the industrial personal computer determines that the pump blocking situation occurs, generates a pump blocking abnormal signal and sends the pump blocking abnormal signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation;
if the situation is normal, the industrial personal computer determines that the pump blockage situation does not occur.
By adopting the technical scheme, when the concrete pump pumps concrete, the concrete possibly blocks a pipeline to cause the condition of pump blockage, at the moment, the concrete pump continues to operate but cannot output the concrete, the pumping pressure value of a concrete pump port is inevitably increased, and the industrial personal computer judges whether the pumping pressure data is abnormal or not; if the pump is abnormal, determining that the pump blockage situation occurs, generating a pump blockage abnormal signal, and sending the pump blockage abnormal signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation; if the pump blockage situation does not occur, the industrial personal computer determines that the pump blockage situation does not occur, and a pump blockage abnormal signal does not need to be generated. The pump blockage condition is judged according to the pumping pressure data, so that the safety performance of the concrete pump truck during pumping operation is improved.
In a second aspect, the application provides an automatic pumping control system of a concrete pump truck, which adopts the following technical scheme:
a pumping automation control system of a concrete pump truck comprises:
the system comprises a concrete pump truck, sensor equipment, a PLC processing device and an industrial personal computer;
the PLC processing device establishes a transmission link with the sensor equipment and the industrial personal computer, and establishes a control link with the industrial personal computer;
the sensor equipment is used for acquiring pumping parameters of the concrete pump truck for pumping operation and sending the pumping parameters to the industrial personal computer through the PLC processing device;
the industrial personal computer is used for analyzing and processing the pumping operation according to the pumping parameters, generating a pumping control signal and sending the pumping control signal to the PLC processing device;
and the PLC processing device is used for controlling the pumping operation of the concrete pump truck according to the pumping control signal.
By adopting the technical scheme, the pumping automatic control system of the concrete pump truck comprises the concrete pump truck, sensor equipment, a PLC processing device and an industrial personal computer, wherein the PLC processing device, the sensor equipment and the industrial personal computer establish a transmission link, the PLC processing device and the industrial personal computer establish a control link, when the concrete pump truck performs pumping operation, the sensor equipment arranged on the concrete pump truck acquires pumping parameters of the concrete pump truck during the pumping operation, the pumping parameters can be pumping pressure data, pumping times and the like, the parameters acquired by each sensor equipment are transmitted to the PLC processing device, the PLC processing device transmits the pumping parameters to the industrial personal computer through a wireless routing technology for realizing observation of the pumping operation process, the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters and controls the pumping operation of the concrete pump truck according to the analysis and processing result, and generating a pumping control signal, sending the pumping control signal to a PLC processing device, and controlling the pumping operation of the concrete pump truck by the PLC processing device according to the pumping control signal. Therefore, the concrete pump truck can observe the concrete pumping operation process, and can control the pumping operation in time according to the pumping parameters, so that the pumping performance of the concrete pump truck is improved.
Optionally, the industrial personal computer is further configured to obtain pedestal pile information of the pile machine, generate a start control signal of the concrete pump truck according to the pedestal pile information, and send the start control signal to the PLC processing device;
and the PLC processing device is also used for controlling the concrete pump truck to start pumping operation according to the starting control signal.
Through adopting above-mentioned technical scheme, in order to increase the continuity of engineering implementation, improve overall planning efficiency, concrete pump truck's pumping operation is with the pile process linkage of stake machine, consequently, the industrial computer need acquire the club-footed pile information of stake machine, after having confirmed the stake machine according to club-footed pile information and having accomplished pile driving club-footed operation, generate concrete pump truck's start control signal, with start control signal transmission to PLC processing apparatus, PLC processing apparatus opens pumping operation through start control signal control concrete pump truck. The automatic starting of the concrete pump truck is realized after the pile machine finishes the piling and bottom expanding operation in the engineering construction process.
Optionally, the sensor device includes a switch sensor and a pressure sensor, the switch sensor is arranged on a concrete pump switch of the concrete pump truck, the pressure sensor is arranged at a concrete pump opening of the concrete pump truck,
the switch sensor is used for measuring the pumping times of the concrete pump switch and sending the pumping times to the PLC processing device;
the pressure sensor is used for measuring pumping pressure data of the concrete pump truck and sending the pumping times to the PLC processing device;
and the PLC processing device is also used for sending the pumping pressure data and the pumping times to an industrial personal computer.
By adopting the technical scheme, the most important two points in the pumping operation process of the concrete pump truck are the pumping times related to the concrete pouring volume and the pumping pressure value related to the safety of the concrete pump. Therefore, the sensor device mainly comprises a switch sensor and a pressure sensor, wherein the switch sensor is arranged on a concrete pump switch of the concrete pump truck and used for detecting the concrete pump delivering the concrete for a plurality of times, each time is equal to one rotation of a motor of the concrete pump, and the pressure sensor is arranged at a concrete pump opening of the concrete pump truck. The switch sensor measures a concrete pump switch to obtain pumping times, the pumping times are sent to the PLC processing device, the pressure sensor measures pumping pressure data of the concrete pump truck, the pumping times are sent to the PLC processing device, and the PLC processing device sends the pumping pressure data and the pumping times to the industrial personal computer through a wireless routing technology after receiving the data of the switch sensor and the pressure sensor. The pressure sensor is arranged for detecting the concrete pump truck in the aspect of pumping operation safety, and the switch sensor is arranged for detecting the concrete pump truck in the aspect of actual pumping operation execution.
Optionally, the industrial computer includes: the device comprises a processing module, a signal generating module and a signal sending module;
the processing module is used for determining the volume of the single-time pumped concrete according to the pumping pressure data;
the processing module is further used for calculating the volume of the poured concrete according to the pumping times and the volume of the concrete pumped in one time;
the processing module is further used for calculating the volume of the club-footed pile according to the club-footed pile information;
the processing module is further configured to divide the volume of the cast-in-place concrete subtracted from the volume of the club-footed pile by the volume of the concrete pumped in a single time to obtain the remaining pumping times;
the signal generation module is used for generating a pumping control signal according to the residual pumping times;
and the signal sending module is used for sending the pumping control signal to the PLC processing device.
By adopting the technical scheme, the concrete pump has rated output pressure and is used for outputting concrete from a pipeline port and pouring the concrete into the club-footed pile, and as the sizes of the pipeline and the concrete pump port are determined, the processing module of the industrial personal computer can determine the volume of the concrete pumped once according to pumping pressure data, particularly the volume of the concrete output by the concrete pump per revolution, and then the volume of the poured concrete can be calculated by multiplying the pumping times by the volume of the concrete pumped once; the processing module utilizes the information of the club-footed pile, the information of the club-footed pile comprises the piling depth, the club-footed diameter, the diameter of a drill bit and the like, so that the volume of the club-footed pile can be calculated, the volume of the club-footed pile is subtracted by the volume of the poured concrete and then is divided by the volume of the single-time pumping concrete, so that the residual pumping times can be obtained, the signal generating module generates pumping control signals according to the residual pumping times, the signal sending module sends the pumping control signals to the PLC processing device, and the PLC processing device can control the concrete pump truck to pump according to the pumping control signals. According to the pumping parameters and the information of the club-footed pile, the control of the pumping times of the concrete pump truck is realized, and the accuracy of pumping operation is improved.
Optionally, the industrial computer further comprises: a pump blockage abnormity judgment module;
the pump blockage abnormity judging module is used for judging whether the pumping pressure data is abnormal or not, if so, determining that a pump blockage situation occurs, generating a pump blockage abnormity signal, and sending the pump blockage abnormity signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation; and if the situation is normal, determining that the pump blockage situation does not occur.
By adopting the technical scheme, when the concrete pump pumps concrete, the concrete possibly blocks a pipeline to cause the occurrence of a pump blocking condition, at the moment, the concrete pump continues to operate but cannot output the concrete, the pumping pressure value of a concrete pump port is inevitably increased, and then the pump blocking abnormity judgment module judges whether pumping pressure data is abnormal or not; if the pump is abnormal, determining that the pump blockage situation occurs, generating a pump blockage abnormal signal, and sending the pump blockage abnormal signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation; if the pump blockage situation does not occur, the industrial personal computer determines that the pump blockage situation does not occur, and a pump blockage abnormal signal does not need to be generated. The pump blockage condition is judged according to the pumping pressure data, so that the safety performance of the concrete pump truck during pumping operation is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation, the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters to generate a pumping control signal, and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal, so that the concrete pump truck can observe the concrete pumping operation process, and can control the pumping operation in time according to the pumping parameters, and the pumping performance of the concrete pump truck is improved;
2. the pressure sensor is arranged for detecting the concrete pump truck in the aspect of pumping operation safety, and the switch sensor is arranged for detecting the concrete pump truck in the aspect of actual pumping operation execution;
3. the pump blockage condition is judged according to the pumping pressure data, so that the safety performance of the concrete pump truck during pumping operation is improved.
Drawings
Fig. 1 is a first flow diagram of the pumping automation control method of the concrete pump truck according to the present application.
Fig. 2 is a second flow chart of the pumping automation control method of the concrete pump truck of the present application.
FIG. 3 is a schematic flow diagram of the present application for analysis based on pumping parameters.
Fig. 4 is a first structural schematic diagram of the pumping automation control system of the concrete pump truck of the present application.
Fig. 5 is a second structural schematic diagram of the pumping automation control system of the concrete pump truck of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The embodiment of the application discloses an automatic pumping control method of a concrete pump truck.
Referring to fig. 1, the pumping automation control method of the concrete pump truck comprises the following steps:
101, the sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation, and the pumping parameters are sent to the industrial personal computer through the PLC processing device.
When the concrete pump truck performs pumping operation, sensor equipment arranged on the concrete pump truck acquires pumping parameters of the concrete pump truck during the pumping operation, the pumping parameters can be pumping pressure data, pumping times and the like, the parameters acquired by the sensor equipment are all sent to the PLC processing device, and the PLC processing device sends the pumping parameters to the industrial personal computer through a wireless routing technology.
And 102, analyzing and processing the pumping operation by the industrial personal computer according to the pumping parameters, generating a pumping control signal, and sending the pumping control signal to the PLC processing device.
The industrial personal computer receives the pumping parameters, uses the pumping parameters to realize observation of the pumping operation process, analyzes and processes the pumping operation according to the pumping parameters, controls the pumping operation of the concrete pump truck according to the analysis and processing result, generates a pumping control signal and sends the pumping control signal to the PLC processing device.
And 103, controlling the pumping operation of the concrete pump truck by the PLC processing device according to the pumping control signal.
The PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal, and in specific implementation, the PLC processing device can be electrically connected with equipment on the concrete pump truck, for example, the PLC processing device is connected with a switch circuit of the concrete pump, and the start and stop of the concrete pump are realized by sending a PWM signal to the switch circuit, so that the pumping operation of the concrete pump truck is controlled.
The implementation principle of the embodiment is as follows: the sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation, the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters to generate a pumping control signal, and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal, so that the concrete pump truck can observe the concrete pumping operation process, and can control the pumping operation in time according to the pumping parameters, and the pumping performance of the concrete pump truck is improved.
The industrial personal computer can also make two-dimensional or three-dimensional interactive animation on the basis of combining pumping parameters through FLASH making software so as to display the animation to the concrete pump truck operator, so that the operator can visually see the pumping operation process conveniently. When the drilling process is dynamically displayed by the interactive animation, if an operator needs to adjust the pumping operation process and the like, the operation instruction is input into the industrial personal computer, the industrial personal computer can convert the operation instruction into pumping control parameters, the pumping operation process in the interactive animation is controlled according to the pumping control parameters, and the actual pumping operation process of the concrete pump truck is synchronously controlled.
In the embodiment shown in fig. 1, in order to increase the continuity of the engineering implementation and improve the overall planning efficiency, the pumping operation of the concrete pump truck is linked with the piling process of the pile driver, so that the pumping operation of the concrete pump truck can be automatically started after the construction of the pile driver is completed; the sensor equipment comprises a switch sensor and a pressure sensor, the switch sensor is arranged on a concrete pump switch of the concrete pump truck, and the pressure sensor is arranged at a concrete pump opening of the concrete pump truck. The following describes the pumping operation and the pumping parameter acquisition of the automatic starting concrete pump truck by the embodiment shown in fig. 2.
Referring to fig. 2, the pumping automation control method of the concrete pump truck comprises the following steps:
and 201, the industrial personal computer acquires the information of the club-footed pile of the pile machine, generates a starting control signal of the concrete pump truck according to the information of the club-footed pile and sends the starting control signal to the PLC processing device.
The hoisting machine of the pile machine is used for lifting or lowering the heights of the punching drill bit and the bottom expanding drill bit, the Hall sensor is arranged on the hoisting machine, the stroke of the hoisting machine is obtained by measuring the tightening or loosening of the steel wire rope wound by the winding drum, the heights of the punching drill bit and the bottom expanding drill bit can be estimated, and the piling depth is calculated. When the bottom needs to be expanded in the drilling process, a punching drill bit of the pile machine needs to be replaced by a bottom expanding drill bit, the bottom expanding drill bit is provided with a bottom expanding wing, the bottom expanding wing is folded in during normal drilling, the bottom expanding wing of the bottom expanding drill bit is expanded through a hydraulic cylinder during bottom expanding, the bottom expanding drill bit can be rotated to perform bottom expanding drilling after the bottom expanding wing is expanded, the expanding angle of the bottom expanding wing can be deduced through the stroke of the hydraulic cylinder obtained by measuring through an angle sensor, and the expanding angle of the bottom expanding wing determines the diameter of the bottom expanding when the bottom expanding drill bit rotates. Therefore, the information of the pedestal pile of the pile machine comprises the piling depth, the pedestal diameter, the pedestal depth, the drill diameter and the like which can be obtained, the industrial personal computer obtains the information of the pedestal pile of the pile machine, and after the pedestal pile is determined to be constructed according to the information of the pedestal pile, the starting control signal of the concrete pump truck is generated, and the starting control signal is sent to the PLC processing device.
202, the PLC processing device controls the concrete pump truck to start pumping operation according to the starting control signal.
203, the switch sensor measures the switch of the concrete pump to obtain the pumping times and sends the pumping times to the PLC processing device.
The most important two points in the pumping operation process of the concrete pump truck are the pumping times related to the concrete pouring volume and the pumping pressure value related to the safety of the concrete pump. Therefore, the sensor device mainly comprises a switch sensor and a pressure sensor, wherein the switch sensor is arranged on a concrete pump switch of the concrete pump truck and used for detecting the number of times of high voltage of the concrete pump switch, and the high voltage indicates that the switch is turned on once every time, so that the number of times of concrete delivery of the concrete pump can be estimated, and the number of times of concrete delivery of the concrete pump is equal to one rotation of a motor of the concrete pump each time. The switch sensor can send the pumping times to the PLC processing device in a wired or wireless mode, and the wireless mode can specifically use the LoRa technology.
204, the pressure sensor measures pumping pressure data of the concrete pump truck, and the pumping times are sent to the PLC processing device.
The concrete pump has rated output pressure and is used for pouring concrete into the club-footed pile from the pipeline port, the pressure sensor is arranged at the concrete pump port of the concrete pump truck and is used for measuring pumping pressure data output by the concrete pump, the pressure sensor can send pumping times to the PLC processing device in a wired or wireless mode, and the LoRa technology can be specifically used in the wireless mode.
205, the PLC processing device sends the pumping pressure data and the pumping times to the industrial personal computer.
The PLC processing device is connected with the industrial personal computer through wireless routing equipment, and pumping pressure data and pumping times are sent to the industrial personal computer through a wireless routing technology (for example, WiFi).
And 206, analyzing and processing the pumping operation by the industrial personal computer according to the pumping pressure data and the pumping frequency, generating a pumping control signal, and sending the pumping control signal to the PLC processing device.
The industrial personal computer receives the pumping pressure data and the pumping times, realizes observation of the pumping operation process by using the pumping pressure data and the pumping times, analyzes and processes the pumping operation according to the pumping parameters, controls the pumping operation of the concrete pump truck according to the analysis and processing result, generates a pumping control signal and sends the pumping control signal to the PLC processing device.
207, the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal.
The PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal, and in specific implementation, the PLC processing device can be electrically connected with equipment on the concrete pump truck, for example, the PLC processing device is connected with a switch circuit of the concrete pump, and the start and stop of the concrete pump are realized by sending a PWM signal to the switch circuit, so that the pumping operation of the concrete pump truck is controlled.
The implementation principle of the embodiment is as follows: the industrial personal computer needs to acquire pedestal pile information of the pile machine, generates a starting control signal of the concrete pump truck after the pile machine is determined to finish pile driving and pedestal expanding operation according to the pedestal pile information, and sends the starting control signal to the PLC processing device, and the PLC processing device controls the concrete pump truck to start pumping operation through the starting control signal. The automatic starting of the concrete pump truck is realized after the pile machine finishes pile driving and bottom expanding operation in the engineering construction process, the switch sensor measures the concrete pump switch to obtain pumping times, the pumping times are sent to the PLC processing device, the pressure sensor measures pumping pressure data of the concrete pump truck, the pumping times are sent to the PLC processing device, and after the PLC processing device receives the data of the switch sensor and the pressure sensor, the pumping pressure data and the pumping times are sent to the industrial personal computer through a wireless routing technology. The pressure sensor is arranged for detecting the concrete pump truck in the aspect of pumping operation safety, and the switch sensor is arranged for detecting the concrete pump truck in the aspect of actual pumping operation execution.
In the embodiment shown in fig. 2, the specific process of analyzing the pumping operation in step 206 is not described in detail, and it is necessary to combine the information of the club-footed pile with the pumping pressure data and the pumping frequency, and before the analysis, it is necessary to determine the pump blockage condition in order to ensure the safety of the pumping operation, which is described below with reference to the embodiment shown in fig. 3.
Referring to fig. 3, the specific steps of the analysis process according to the pumping parameters are as follows:
301, the industrial personal computer judges whether pumping pressure data is abnormal, and if the pumping pressure data is abnormal, the step 302 is executed; if so, go to step 303.
When the concrete pump pumps concrete, the concrete possibly blocks a pipeline to cause the condition of pump blockage, at the moment, the concrete pump continues to operate but cannot output the concrete, the pumping pressure value of a concrete pump port is inevitably increased, and the industrial personal computer judges whether pumping pressure data are abnormal or not; if the pump is abnormal, determining that the pump is blocked, and executing step 302; if so, go to step 303.
And 302, determining the pump blockage situation by the industrial personal computer, generating a pump blockage abnormal signal, and sending the pump blockage abnormal signal to the PLC processing device.
And determining the pump blockage situation, generating a pump blockage abnormal signal, and sending the pump blockage abnormal signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation.
303, the industrial personal computer determines that the pump blockage situation does not occur.
The industrial personal computer determines that the pump blockage situation does not occur, and does not need to generate a pump blockage abnormal signal.
The industrial personal computer determines the volume of the single-time pumped concrete according to the pumping pressure data 304.
The industrial personal computer can determine the volume of the concrete pumped at a single time, particularly the volume of the concrete output by the concrete pump per revolution according to the pumping pressure data.
And 305, calculating the volume of the poured concrete by the industrial personal computer according to the pumping times and the volume of the concrete pumped in one time.
The volume of the poured concrete can be calculated by multiplying the pumping times by the volume of the concrete pumped in a single time.
And 306, calculating the volume of the club-footed pile by the industrial personal computer according to the information of the club-footed pile.
The industrial personal computer utilizes the information of the club-footed pile, wherein the information of the club-footed pile comprises the piling depth, the club-footed diameter, the drill diameter and the like, so that the volume of the club-footed pile can be calculated.
307, the industrial personal computer subtracts the volume of the poured concrete from the volume of the club-footed pile, and divides the subtracted volume by the volume of the concrete pumped in a single time to obtain the remaining pumping times.
After subtracting the volume of the poured concrete from the volume of the club-footed pile, dividing the volume by the volume of the single-time pumping concrete to obtain the remaining pumping times, namely, the concrete pump truck needs to pump the concrete pump for the remaining pumping times to finish the pouring of the club-footed pile.
308, the industrial personal computer generates pumping control signals according to the residual pumping times.
The industrial personal computer generates a pumping control signal according to the remaining pumping times, and if the remaining pumping times are 5 times, the pumping control signal may be a 6-bit binary signal, for example, 011111, where a start bit is 0 to indicate a corresponding PLC processing device, and a last 5-bit 1 indicates 5 times of pumping.
309, the industrial personal computer sends the pumping control signal to the PLC processing device.
The industrial personal computer sends the pumping control signal to the PLC processing device, and the PLC processing device can control the concrete pump truck to carry out pumping operation according to the pumping control signal.
The implementation principle of the embodiment is as follows: according to the pumping parameters and the information of the club-footed pile, the control of the pumping times of the concrete pump truck is realized, the accuracy of pumping operation is improved, and the pump blockage condition is judged according to the pumping pressure data, so that the safety performance of the concrete pump truck during the pumping operation is improved.
The embodiment of the application also discloses an automatic pumping control system of the concrete pump truck.
Referring to fig. 4, the system includes:
a concrete pump truck 401, sensor equipment 402, a PLC processing device 403 and an industrial personal computer 404;
a transmission link is established between the PLC processing device 403 and the sensor device 402 as well as between the PLC processing device 403 and the industrial personal computer 404, and a control link is established between the PLC processing device 403 and the industrial personal computer 404;
the sensor equipment 402 is used for acquiring pumping parameters of the concrete pump truck 401 for pumping operation and sending the pumping parameters to the industrial personal computer 404 through the PLC processing device 403;
the industrial personal computer 404 is used for analyzing and processing the pumping operation according to the pumping parameters, generating a pumping control signal and sending the pumping control signal to the PLC processing device 403;
and the PLC processing device 403 is used for controlling the pumping operation of the concrete pump truck 401 according to the pumping control signal.
The implementation principle of the embodiment is as follows: the sensor device 402 acquires pumping parameters of the concrete pump truck 401 for pumping operation, the industrial personal computer 404 analyzes and processes the pumping operation according to the pumping parameters to generate pumping control signals, and the PLC processing device 403 controls the pumping operation of the concrete pump truck 401 according to the pumping control signals, so that the concrete pump truck 401 can observe the concrete pumping operation process, and can control the pumping operation in time according to the pumping parameters, and the pumping performance of the concrete pump truck 401 is improved.
With reference to the embodiment shown in fig. 4, preferably, in some embodiments of the present application, the industrial personal computer 404 is further configured to obtain information of a pedestal pile of the pile machine, generate a start control signal of the concrete pump truck 401 according to the information of the pedestal pile, and send the start control signal to the PLC processing device 403;
the PLC processing device 403 is further configured to control the concrete pump truck 401 to start pumping operation according to the start control signal.
The implementation principle of the embodiment is as follows: in order to increase the continuity of engineering implementation and improve the overall planning efficiency, the pumping operation of the concrete pump truck 401 is linked with the piling process of the pile machine, so the industrial personal computer 404 needs to obtain the pedestal pile information of the pile machine, and after determining that the pile machine has completed piling and pedestal expanding operations according to the pedestal pile information, generates a start control signal of the concrete pump truck 401, and sends the start control signal to the PLC processing device 403, and the PLC processing device 403 controls the concrete pump truck 401 to start pumping operation through the start control signal. The automatic starting of the concrete pump truck 401 is realized after the piling machine finishes piling and bottom expanding operation in the engineering construction process.
Referring to fig. 5, based on the embodiment shown in fig. 4, it is preferable that in some embodiments of the present application, the sensor device 402 includes a switch sensor 501 and a pressure sensor 502, the switch sensor 501 is disposed on a concrete pump switch of the concrete pump truck 401, the pressure sensor 502 is disposed on a concrete pump port of the concrete pump truck 401,
the switch sensor 501 is used for measuring the pumping times of a concrete pump switch and sending the pumping times to the PLC processing device 403;
the pressure sensor 502 is used for measuring pumping pressure data of the concrete pump truck 401 and sending pumping times to the PLC processing device 403;
and the PLC processing device 403 is also used for sending pumping pressure data and pumping times to the industrial personal computer 404.
The implementation principle of the embodiment is as follows: the switch sensor 501 measures a concrete pump switch to obtain pumping times, the pumping times are sent to the PLC processing device 403, the pressure sensor 502 measures pumping pressure data of the concrete pump truck 401, the pumping times are sent to the PLC processing device 403, and the PLC processing device 403 sends the pumping pressure data and the pumping times to the industrial personal computer 404 through a wireless routing technology after receiving the data of the switch sensor 501 and the pressure sensor 502. The pressure sensor 502 is provided to detect the concrete pump truck 401 in terms of pumping work safety, and the switch sensor 501 is provided to detect the concrete pump truck 401 in terms of pumping work actual execution.
In connection with the embodiment shown in fig. 5, it is preferred, in some embodiments of the present application,
the industrial personal computer 404 includes: a processing module 503, a signal generating module 504 and a signal transmitting module 505;
a processing module 503, configured to determine a volume of single-pumped concrete according to the pumping pressure data;
the processing module 503 is further configured to calculate a volume of the poured concrete according to the pumping times and the volume of the concrete pumped in a single time;
the processing module 503 is further configured to calculate a volume of the club-footed pile according to the club-footed pile information;
the processing module 503 is further configured to divide the volume of the club-footed pile by the volume of the concrete that has been poured into the club-footed pile by the volume of the concrete pumped in a single time to obtain the remaining pumping times;
a signal generating module 504, configured to generate a pumping control signal according to the remaining pumping times;
and a signal sending module 505, configured to send the pumping control signal to the PLC processing device 403.
The implementation principle of the embodiment is as follows: the processing module 503 of the industrial personal computer 404 can determine the volume of the single-time pumped concrete according to the pumping pressure data, particularly the volume of the concrete output by each revolution of the concrete pump, and then the volume of the poured concrete can be calculated by multiplying the pumping times by the volume of the single-time pumped concrete; the processing module 503 uses the information of the club-footed pile, which includes the piling depth, the club-footed diameter, the drill diameter, etc., so as to calculate the volume of the club-footed pile, the volume of the cast-in-place concrete is subtracted from the volume of the club-footed pile, and then the volume is divided by the volume of the single pumping concrete, so as to obtain the remaining pumping times, the signal generating module 504 generates a pumping control signal according to the remaining pumping times, the signal sending module 505 sends the pumping control signal to the PLC processing device 403, and the PLC processing device 403 can control the concrete pump truck 401 to perform pumping operation according to the pumping control signal. According to the pumping parameters and the information of the club-footed pile, the pumping frequency of the concrete pump truck 401 is controlled, and the accuracy of pumping operation is improved.
With reference to the embodiment shown in fig. 5, preferably, in some embodiments of the present application, the industrial personal computer 404 further includes: a pump blockage abnormality determination module 506;
the pump blockage abnormity judging module 506 is used for judging whether the pumping pressure data is abnormal or not, if so, determining that a pump blockage situation occurs, generating a pump blockage abnormity signal, and sending the pump blockage abnormity signal to the PLC processing device 403, so that the PLC processing device 403 controls the concrete pump truck 401 to stop pumping operation; and if the situation is normal, determining that the pump blockage situation does not occur.
The implementation principle of the embodiment is as follows: when the concrete pump pumps concrete, the concrete may block a pipeline to cause a pump blocking situation, and the pumping pressure value of the concrete pump port is inevitably increased, so the pump blocking abnormality judgment module 506 judges whether the pumping pressure data is abnormal; if the pump blockage situation is abnormal, generating a pump blockage abnormal signal, and sending the pump blockage abnormal signal to the PLC processing device 403, so that the PLC processing device 403 controls the concrete pump truck 401 to stop pumping operation; if the situation is normal, the industrial personal computer 404 determines that the pump blockage situation does not occur, and a pump blockage abnormal signal does not need to be generated. The pump blockage situation is judged according to the pumping pressure data, so that the safety performance of the concrete pump truck 401 during pumping operation is improved.
The foregoing is a preferred embodiment of the present application and is not intended to limit the scope of the application in any way, and any features disclosed in this specification (including the abstract and drawings) may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.
Claims (10)
1. An automatic pumping control method of a concrete pump truck is characterized by comprising the following steps:
the method comprises the following steps that sensor equipment acquires pumping parameters of the concrete pump truck for pumping operation, and the pumping parameters are sent to an industrial personal computer through a PLC processing device;
the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters, generates a pumping control signal and sends the pumping control signal to the PLC processing device;
and the PLC processing device controls the pumping operation of the concrete pump truck according to the pumping control signal.
2. The automatic pumping control method of the concrete pump truck according to claim 1, wherein the sensor device collects pumping parameters of the concrete pump truck for pumping operation, and before the pumping parameters are sent to the industrial personal computer through the PLC processing device, the method further comprises:
the method comprises the steps that an industrial personal computer obtains club-footed pile information of a pile machine, generates a starting control signal of the concrete pump truck according to the club-footed pile information, and sends the starting control signal to a PLC processing device;
and the PLC processing device controls the concrete pump truck to start pumping operation according to the starting control signal.
3. The automatic pumping control method of a concrete pump truck as claimed in claim 2, wherein the sensor device comprises a switch sensor and a pressure sensor, the switch sensor is arranged on a concrete pump switch of the concrete pump truck, the pressure sensor is arranged at a concrete pump opening of the concrete pump truck,
the sensor equipment gathers the pumping parameter that the mobile concrete pump carries out pumping operation, will through PLC processing apparatus the pumping parameter sends to the industrial computer, includes:
the switch sensor measures the concrete pump switch to obtain pumping times, and sends the pumping times to the PLC processing device;
the pressure sensor measures pumping pressure data of the concrete pump truck, and the pumping times are sent to the PLC processing device;
and the PLC processing device sends the pumping pressure data and the pumping times to an industrial personal computer.
4. The automatic pumping control method of the concrete pump truck according to claim 3, wherein the industrial personal computer analyzes and processes the pumping operation according to the pumping parameters to generate a pumping control signal, and sends the pumping control signal to the PLC processing device, and the method comprises the following steps:
the industrial personal computer determines the volume of the concrete pumped in a single time according to the pumping pressure data;
the industrial personal computer calculates the volume of the poured concrete according to the pumping times and the volume of the concrete pumped in one time;
the industrial personal computer calculates to obtain the volume of the club-footed pile according to the information of the club-footed pile;
the industrial personal computer subtracts the volume of the poured concrete from the volume of the club-footed pile, and then divides the volume of the poured concrete by the volume of the concrete pumped in one time to obtain the remaining pumping times;
the industrial personal computer generates a pumping control signal according to the residual pumping times;
and the industrial personal computer sends the pumping control signal to the PLC processing device.
5. The automatic pumping control method of the concrete pump truck according to claim 4, wherein before the industrial personal computer determines the volume of the single-time pumped concrete according to the pumping pressure data, the method further comprises the following steps:
the industrial personal computer judges whether the pumping pressure data is abnormal or not;
if the pump blocking situation is abnormal, the industrial personal computer determines that the pump blocking situation occurs, generates a pump blocking abnormal signal and sends the pump blocking abnormal signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation;
if the situation is normal, the industrial personal computer determines that the pump blockage situation does not occur.
6. The pumping automation control system of the concrete pump truck is characterized by comprising:
the system comprises a concrete pump truck, sensor equipment, a PLC processing device and an industrial personal computer;
the PLC processing device establishes a transmission link with the sensor equipment and the industrial personal computer, and establishes a control link with the industrial personal computer;
the sensor equipment is used for acquiring pumping parameters of the concrete pump truck for pumping operation and sending the pumping parameters to the industrial personal computer through the PLC processing device;
the industrial personal computer is used for analyzing and processing the pumping operation according to the pumping parameters, generating a pumping control signal and sending the pumping control signal to the PLC processing device;
and the PLC processing device is used for controlling the pumping operation of the concrete pump truck according to the pumping control signal.
7. The pumping automation control system of concrete pump truck as claimed in claim 6,
the industrial personal computer is also used for acquiring the information of the club-footed pile of the pile machine, generating a starting control signal of the concrete pump truck according to the information of the club-footed pile and sending the starting control signal to the PLC processing device;
and the PLC processing device is also used for controlling the concrete pump truck to start pumping operation according to the starting control signal.
8. The pumping automation control system of concrete pump truck as claimed in claim 7, wherein said sensor device comprises a switch sensor and a pressure sensor, said switch sensor is disposed at a concrete pump switch of the concrete pump truck, said pressure sensor is disposed at a concrete pump opening of the concrete pump truck,
the switch sensor is used for measuring the pumping times of the concrete pump switch and sending the pumping times to the PLC processing device;
the pressure sensor is used for measuring pumping pressure data of the concrete pump truck and sending the pumping times to the PLC processing device;
and the PLC processing device is also used for sending the pumping pressure data and the pumping times to an industrial personal computer.
9. The pumping automation control system of concrete pump truck according to claim 8, wherein said industrial personal computer comprises: the device comprises a processing module, a signal generating module and a signal sending module;
the processing module is used for determining the volume of the single-time pumped concrete according to the pumping pressure data;
the processing module is further used for calculating the volume of the poured concrete according to the pumping times and the volume of the concrete pumped in one time;
the processing module is further used for calculating the volume of the club-footed pile according to the club-footed pile information;
the processing module is further configured to divide the volume of the cast-in-place concrete subtracted from the volume of the club-footed pile by the volume of the concrete pumped in a single time to obtain the remaining pumping times;
the signal generation module is used for generating a pumping control signal according to the residual pumping times;
and the signal sending module is used for sending the pumping control signal to the PLC processing device.
10. The pumping automation control system of concrete pump truck according to claim 9, wherein said industrial personal computer further comprises: a pump blockage abnormity judgment module;
the pump blockage abnormity judging module is used for judging whether the pumping pressure data is abnormal or not, if so, determining that a pump blockage situation occurs, generating a pump blockage abnormity signal, and sending the pump blockage abnormity signal to the PLC processing device, so that the PLC processing device controls the concrete pump truck to stop pumping operation; and if the situation is normal, determining that the pump blockage situation does not occur.
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