CN111595596B - Mobile concrete pump truck debugging and testing equipment and debugging method - Google Patents
Mobile concrete pump truck debugging and testing equipment and debugging method Download PDFInfo
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- CN111595596B CN111595596B CN202010515800.2A CN202010515800A CN111595596B CN 111595596 B CN111595596 B CN 111595596B CN 202010515800 A CN202010515800 A CN 202010515800A CN 111595596 B CN111595596 B CN 111595596B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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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
- F04B51/00—Testing machines, pumps, or pumping installations
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/05—Testing internal-combustion engines by combined monitoring of two or more different engine parameters
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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]
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Abstract
The invention provides a mobile concrete pump truck debugging and testing device and a testing method, wherein the device comprises a mobile control cabinet, a CAN card, a proximity switch, a data acquisition card, a plurality of pressure sensing devices and an industrial personal computer, wherein the CAN card is arranged in the control cabinet and is used for being connected with a CAN line of an electric cabinet of a pump truck so as to transmit a pump truck communication signal to the industrial personal computer; the proximity switch is used for detecting the stirring speed of the pump truck and transmitting a stirring speed signal to the data acquisition card; the pressure sensing devices are used for sensing the pressure of each pressure measuring point of the pump truck and transmitting a pressure signal to the data acquisition card; the data acquisition card is used for reading the stirring speed signal and the pressure signal and transmitting the signals to the industrial personal computer; the industrial personal computer is provided with a plurality of pre-programmed debugging programs. The device has high test precision and accurate quantitative test data, reduces the risk of human intervention and enables the debugging result to be more objective.
Description
Technical Field
The invention belongs to the field of pump truck debugging, and particularly relates to a mobile concrete pump truck debugging and testing device and a debugging method.
Background
Traditional pump truck relies on the manual work to operate according to the inspection record during whole vehicle debugging, and manual record data, data are influenced by subjective factor more, can not accurately reflect vehicle quality information, and debugging efficiency is not high. For example, when the pressure data of the pump truck is recorded by adopting a method of manually recording debugging data, the angle of the arm support is checked by human eyes, the telescopic time of the arm support is calculated, and certain human influence factors exist. The method of checking the mechanical pressure gauge by naked eyes is adopted, so that the influence of artificial subjective factors is more, the real pressure value cannot be accurately recorded, and the delivery consistency of the pump truck is poor. The angle of the arm support is checked manually at 0-90 degrees, and due to the factors of personnel standing positions and operation, the data are inaccurate easily caused by manual timing and arm speed calculation. In addition, the pump truck controller needs to be checked when the rotation and pumping frequency of the boom and other items are measured, and the debugging difficulty is increased. The debugging data adopts paper record, and the management difficulty is great.
Disclosure of Invention
The invention aims to provide a mobile concrete pump truck debugging and inspecting device and a debugging method, which are used for solving the technical problems that when the whole truck of a pump truck is manually debugged in the prior art, data are influenced by subjective factors more, the quality information of the truck cannot be accurately reflected and the debugging efficiency is not high because the data need to be checked by naked eyes and manually recorded.
In order to achieve the purpose, the invention adopts the following technical scheme:
a mobile concrete pump truck debugging and testing device comprises a CAN card, a proximity switch, a data acquisition card, a plurality of pressure sensing devices and an industrial personal computer, wherein a mobile control cabinet is arranged in the control cabinet, and the CAN card and the data acquisition card are in communication connection with the industrial personal computer; the CAN card is used for being connected with a CAN line of the pump truck electric control box so as to transmit a pump truck communication signal to the industrial personal computer; the proximity switch is used for detecting the stirring speed of the pump truck and transmitting a stirring speed signal to the data acquisition card; the pressure sensing devices are used for sensing the pressure of each pressure measuring point of the pump truck and transmitting a pressure signal to the data acquisition card; the data acquisition card is used for reading the stirring speed signal and the pressure signal and transmitting the signals to the industrial personal computer; the industrial personal computer is provided with a plurality of pre-programmed debugging programs.
Further, the switch board includes the cabinet body and the lid of being connected with cabinet body upset, the industrial computer includes industrial control host computer and the industrial display who is connected with industrial control host computer, pressure sensing device includes pressure sensor and the pressure sensor oil pipe of being connected with pressure sensor, CAN card, data acquisition card and industrial control host computer all install in the cabinet is internal, industrial display installs in the lid, pressure sensor installs or does not install the cabinet is internal, proximity switch places the cabinet is internal.
Further, the debugging and checking equipment is connected with the handheld terminal through the wireless router.
Further, the debugging and checking equipment is in communication connection with the enterprise server through the wireless router.
The invention also provides a method for debugging the concrete pump truck by using the mobile concrete pump truck debugging and testing equipment, which comprises the following steps:
collecting a pump truck communication signal, a stirring speed signal and each pressure signal;
inputting vehicle information of a pump truck to be debugged;
calling out a corresponding debugging program according to the vehicle information;
and running a debugging program based on the acquired signal data, testing each debugging item of the pump truck one by one, and judging that the whole truck is qualified for debugging if all the debugging items are qualified.
Further, the debugging items are classified into the following types: static data monitoring, instantaneous data monitoring, interval time detection, pressure range and maximum and minimum difference detection, lubrication time detection, maximum and left and right cylinder pressure difference detection, oil temperature monitoring, detection of the constant power starting and regulating pressure of a main pump, and detection of the corresponding relation of displacement, rotating speed and reversing times.
Further, the specific method for detecting the interval time includes: defining a test interval, and defining that the time is started when the curve enters the test interval from the lower limit and the time is stopped when the curve exits the test interval from the upper limit, or the time is started when the curve enters the test interval from the upper limit and the time is stopped when the curve exits the test interval from the lower limit; when the test is started, if the data are in the upper and lower limit ranges of the test interval, the data are judged not to pass, and the test is restarted; and after the curve is out of the test interval, timing is finished, the test is finished after 2 seconds of delay, and a judgment result is obtained: if the interval time is within the specified test interval, judging to be qualified, and if the interval time is not within the specified test interval, judging to be unqualified; wherein the curve represents the boom cylinder pressure or the boom angle.
Further, the specific method for monitoring the oil temperature includes: setting an oil temperature detection condition, and judging that the oil temperature passes the test if the oil temperature meets the detection condition and corresponding action exists within two seconds; if not, the judgment is failed.
Further, the inputting vehicle information of the pump truck to be debugged specifically includes: vehicle information of the pump truck to be debugged is imported from the MES system of the enterprise server by manual input or by using a network connection.
Compared with the prior art, the mobile concrete pump truck debugging and testing equipment has the following beneficial technical effects: (1) relevant data such as a pump truck engine rotating speed signal, working time, working amount, pumping times in unit time, oil pump rotating speed, arm support rotating angle and the like are read through a CAN line, whether the parameters are qualified or not is objectively and quantitatively judged, a data acquisition card is utilized to read a pressure signal, and the appointed parameters read through the CAN line are combined to serve as debugging conditions, so that whether the analog data are qualified or not is objectively and quantitatively judged, and human intervention and misjudgment are reduced; the testing precision is high, and the quantitative testing data is accurate, so that the debugging result is more objective; (2) the debugging and inspecting equipment is not fixed, and the debugging position can be changed along with the debugging position of the product; (3) debugging items can be increased or decreased according to requirements; (4) the measurement process can be operated by a tablet or a mobile phone and other handheld devices, so that the measurement operability is greatly improved; (5) the debugging data can be stored online, the debugging information is permanently traced back, the data is completely stored in a database, and the performance parameters of the product can be calculated and judged by a big data analysis method, so that the most suitable set of parameters is obtained; (6) through the logic control of the debugging preposed project, the debugging data is ensured to be more accurate, and the debugging quality is improved; (7) the debugging progress is realized by utilizing the control program, and the occurrence of manual debugging missing items is avoided through item quantity control.
Drawings
FIG. 1 is a block diagram of a hardware system architecture of a mobile concrete pump truck debugging and testing device according to an embodiment of the present invention;
FIG. 2 is an external view of the debugging and inspecting equipment of the mobile concrete pump truck according to the embodiment of the invention;
FIG. 3 is another external view of the debugging and testing device of the mobile concrete pump truck according to the embodiment of the invention;
FIG. 4 is an internal structure diagram of the mobile concrete pump truck debugging and testing equipment of the embodiment of the invention;
FIG. 5 is an assembly view of components of the mobile concrete pump truck debugging and testing device of the embodiment of the invention;
FIG. 6 is a software functional architecture diagram of the mobile concrete pump truck debugging and testing apparatus of the embodiment of the present invention;
FIG. 7 is a graph showing the pressure or arm speed of an arm support cylinder tested by the mobile concrete pump truck debugging and testing device according to the embodiment of the invention;
fig. 8 is a graph illustrating a pumping pressure test using the mobile concrete pump truck debugging and inspecting apparatus according to an embodiment of the present invention.
Detailed Description
The invention is further described with reference to specific examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
The method is used for debugging the working performance of the pump truck, determining the working parameters of the pump truck and checking the early failure of the pump truck product.
As shown in fig. 1 to 6, a mobile concrete pump truck debugging and testing device comprises a CAN card, a proximity switch, a data acquisition card, a plurality of pressure sensing devices and an industrial personal computer, wherein a control cabinet is arranged in the control cabinet. The proximity switch and the pressure sensing device are in communication connection with the data acquisition card, and the CAN card and the data acquisition card are in communication connection with the industrial personal computer.
Wherein, the universal wheel is installed to the switch board bottom, guarantees that the debugging check out test set removes conveniently, can alternate the debugging position according to the debugging place of pump truck. The control cabinet has a protection rating of IP 67.
In one embodiment, the control cabinet comprises a cabinet body and a cover body connected with the cabinet body in a turnover mode. The industrial personal computer comprises an industrial personal computer and an industrial display connected with the industrial personal computer, and the pressure sensing device comprises a pressure sensor and a pressure sensor oil pipe connected with the pressure sensor. The CAN card, the data acquisition card and the industrial control host are all arranged in the cabinet body. The industrial display is arranged in the cover body and plays a role in water resistance. The pressure sensor is arranged in the cabinet body. The proximity switch is placed in the cabinet body, and is taken out during testing and installed on the stirring blade of the pump truck to test the stirring speed.
In another embodiment, the pressure sensor can be directly connected with the detection port of the pump truck, and then the pressure sensor is connected with the interface of the data acquisition card through a cable connection.
In another embodiment, the control cabinet is provided with an AC220V plug, which can be connected with an external power supply.
Fig. 1 is a block diagram of a hardware system architecture of a mobile concrete pump truck debugging and inspecting device according to an embodiment of the present invention. The control cabinet is connected with the pump truck to acquire CAN communication signals, analog quantity signals and switching value signals of the pump truck, wherein the signals are as follows:
CAN communication signals: through the CAN line of pump truck electric cabinet, will following signal transmission industrial computer:
CAN 1: pumping working time, working volume, pumping times in unit time, oil pump rotating speed and boom rotation angle;
CAN 2: engine speed signal, water temperature signal, engine oil pressure signal, real-time oil consumption and other information.
Analog quantity signal: and selecting 10 pressure signal pressure measuring points, including energy accumulator pressure, main pump pressure, swing pressure, multi-way valve pressure, a main overflow valve, water pump pressure, a left support leg motor and a right support leg motor, and reserving two positions. And respectively adopting a pressure sensing device to sense the pressure of each pressure measuring point and transmitting a pressure signal to the industrial personal computer through a data acquisition card.
Switching value signal: a proximity switch is adopted to detect the stirring speed of the pump truck, the stirring speed is transmitted to a data acquisition card through a signal of the proximity switch, and the data acquisition card transmits the stirring speed to an industrial personal computer.
Correspondingly, in order to collect the above signals, the hardware system ports are configured as follows:
| port(s) | Function(s) | Type of signal | Signal source | Signal range |
| PI1 | Stirring speed | Pulse of light | Collection card | 50-1000hz |
| AI-1 | Accumulator pressure | Analog quantity | Collection card | 0-500bar |
| AI-2 | Swing valve pressure | Analog quantity | Collection card | 0-500bar |
| AI-3 | Main pump pressure | Analog quantity | Collection card | 0-500bar |
| AI-4 | Stirring pressure | Analog quantity | Collection card | 0-500bar |
| AI-5 | Arm support multi-way valve | Analog quantity | Collection card | 0-500bar |
| AI-6 | Main overflow valve | Analog quantity | Collection card | 0-500bar |
| AI-7 | Left leg motor | Analog quantity | Collection card | 0-500bar |
| AI-8 | Right leg motor | Analog quantity | Collection card | 0-500bar |
| AI-9 | For standby | Analog quantity | Collection card | 0-500bar |
| AI-10 | For standby | Analog quantity | Collection card | 0-500bar |
The hardware configuration list is as follows:
| material(s) | Model number | Remarks for note |
| Analog quantity collecting card | PCIE-1810-AE | |
| Collection card wire harness | PCL-10168-1E | |
| Collecting card wiring row | ADAM-3968-AE | Wiring bar |
| CAN card | PCI-1680U-BE | PCI slot |
| Industrial display | 17 inch 1280 x 1024 | |
| Wireless router | TP-LINK | The working temperature is required to be 10 ℃ below zero |
| Test bed tool | ||
| Original packaging machine for grinding | SYS-4U510B-341T | 2 PCIs, 1 PCIe × 1, 1 PCIe × 16; |
| CAN box | USB TO CAN equipment (IXXAT USB-TO-CAN V2) | |
| CAN card | PCI-CAN card Moxa CP-602U-I | PCI slot |
| Pressure sensor | MBS1250-3711-C1GB04 | The signal range is 0-10V, and the measuring range is 500bar |
| Proximity switch | XS630B1NAL2 proximity switch | 50-1000hz |
| Pressure sensor oil pipe | WJ SMS-20-6000-B pressure measuring hose | 6m, two ends with quick plug |
| Phi 22 green button with lamp | XB2BW33B1C | |
| Two-position selection switch | XB2BD25C | |
| Phi 22 green indicating lamp | XB2BVB3LC |
In another embodiment, as shown in fig. 1, the debugging and inspecting apparatus of the embodiment of the present invention may be connected to a handheld terminal, such as a mobile phone or a tablet, through a wireless router, and may be operated by the tablet or the mobile phone during testing, so as to increase the testing freedom.
In another embodiment, as shown in FIG. 1, a commissioning verification device of an embodiment of the present invention may be communicatively coupled to an enterprise server via a wireless router. The enterprise server includes an MES System (Manufacturing Execution System) and a database. After debugging is finished, debugging data and a debugging report can be stored in the enterprise server, and online debugging is realized. Moreover, the debugging information is permanently traced, and quality control and quality tracing are facilitated.
Fig. 6 is a software functional architecture diagram of the mobile concrete pump truck debugging and inspecting equipment according to the embodiment of the invention. The software function is mainly divided into 2 parts of debugging vehicle selection and debugging files.
In addition, the software also divides the user permission level into a debugger, a project writer, an administrator and a high-level administrator.
In actual debugging, debugging items are not fixed and can be increased or reduced according to needs. Debugging items are roughly classified into the following types. For different types, different debugging methods are specified in the debugging files, and the specific steps are as follows:
(1) quantification 1: static data monitoring
Static data monitoring is a type of judgment that detects a fixed pressure value.
And setting parameter detection conditions, and judging to be qualified when the monitoring parameters meet the conditions and the main monitoring data meet the conditions within a plurality of seconds after the test is started. Specific examples are as follows:
(2) quantification 2: instantaneous data monitoring
Instantaneous data monitoring: detecting the changed pressure value, and triggering action when reaching a certain value.
Setting detection conditions: when the engine speed is more than 1000rpm, a pumping signal exists, and when the engine speed is less than 1000rpm, no pumping signal exists, the judgment is qualified, otherwise, the judgment is unqualified. The pumping signal may be delayed, and 0.5S delay detection may be added as appropriate.
(3) Quantification 3: interval time
The interval time is mainly used for detecting the pressure of the arm support oil cylinder or the arm speed, wherein the pressure of the arm support oil cylinder can be detected according to the time of pumping an oil filling door, and the arm speed can be detected according to the angle change time of the arm support.
The property of the curve shown in fig. 7 may be the boom cylinder pressure or the boom angle, and when the curve enters the test interval from the preset lower limit value, the curve exits the test interval from the preset upper limit value and stops timing; or the curve enters the test interval from the upper limit value and starts timing, and the curve exits the test interval from the lower limit value and stops timing.
When the test is started, if the data are in the upper and lower limit ranges, the data are judged to fail, and the test needs to be restarted.
And after the curve is out of the test interval, timing is finished, and the test is finished after 2 seconds of delay, so that a judgment result is obtained.
Specific examples are as follows:
(4) quantification 4: range of pressure
And setting a pumping pressure range, and judging that the result passes the test when the test data are always in the upper and lower ranges. Specific examples are as follows:
the pumping pressure curve is shown in figure 8.
(5) Quantitative determination 5: pressure range and maximum and minimum differential
The measured data is required to be within the required pressure range,
maximum pressure (P)max) And minimum pressure (P)min) The difference value satisfies Pmax-PminAnd ≦ wherein ≦ is a set number.
(6) Quantification 6: time of lubrication
The lubrication time is within the range of 7 minutes of starting and 4 minutes of stopping, and the test is passed. The time determination was broadened to the range of. + -. 5%.
(7) Quantification 7: corresponding relation of discharge capacity, rotation speed and reversing times
The parameters can be filled, the displacement range is 0-100, and each group of data meets the requirements, namely the test is passed.
(8) Quantitative 8: maximum detection and left-right cylinder pressure difference
The maximum value is within the range required to be,
Δ P = | pgrid-pup | ≦ i, i.e., it is determined that the test is passed, where one of pgrid and pup represents left cylinder pressure, the other represents right cylinder pressure, Δ P represents left and right cylinder pressure difference, and Δ P represents a set value; or two adjacent maximum pressure differences (this detection can be chosen).
(9) Quantification 9: oil temperature monitoring
And starting the program and automatically and continuously monitoring the background. And comparing the actual oil temperature with the output action according to the actual oil temperature, wherein the action is incorrect, namely the judgment is failed.
The temperature conditions may be set as: a degree of rotation of the fan, b degree of stop of the fan, c degree of alarm and d degree of stop of the fan. When the temperature condition is met, corresponding action exists within two seconds, and the operation is considered to be normal; if not, the test is deemed to fail.
The detection conditions were set as follows:
a degree, corresponding action: fan 1, i.e. fan output is 1;
< b degrees (b < a), corresponding actions: fan 0, i.e. fan output is 0;
(> c degree), corresponding action: alarm 1, namely the alarm output is 1;
d degree, corresponding action: and stopping the machine for 0, namely, the output of the stopping machine is 0.
(10) Quantitative determination 10: detection of starting pressure and regulating pressure of main pump at constant power
Detecting a constant-power starting regulation pressure (abbreviated as Pten), wherein Pten = a main pump pressure value/(a maximum pumping time 10) per minute;
monitoring data: all parameters must always be within the set range.
The operation process comprises the following steps: a debugging worker installs an adjustable pumping water valve to start pumping, the system acquires the displacement, a positive pump signal, the rotating speed and the oil temperature to a specified range, the pumping pressure range is met by adjusting the opening degree of the water valve, the pumping speed is acquired, the system needs to calculate the constant power starting pressure value through a formula, the required range P is constant = 15-17 MPa, and the system can be modified.
According to the invention, a pump truck communication signal is connected into the industrial personal computer through the CAN card, the pressures of a main pump, a swing valve, an arm frame multi-way valve, a pressure reducing valve and the like of the pump truck are connected into the industrial personal computer through the data acquisition card, the running state of the pump truck CAN be recorded through monitoring CAN data and pressure data, and quantitative logic judgment CAN be simultaneously carried out on the data, such as adjusting each pressure to be within a standard range, testing whether the arm frame expansion speed is within the standard through pressure change or angle change, and the like. Through the current arrangement of the debugging items and the logic control of the items, the inaccuracy of debugging data is prevented, and the debugging quality is improved. And the control program is utilized to realize debugging progress and avoid manual debugging missing items through item quantity control. Meanwhile, the method can interact with enterprise production information platforms such as an MES system and the like, and the reading and the judgment of the configuration parameters of the pump truck before debugging are realized. After debugging is finished, debugging parameters can be backed up, debugging data and debugging reports are stored in the enterprise server, and online debugging is realized. And the debugging information is permanently traced, so that quality control and quality tracing are facilitated. And the debugging data is accumulated to form big debugging information data inside the enterprise, so that reference is provided for product upgrading and technology improvement.
The present invention has been disclosed in terms of preferred embodiments, but it is not intended to be limited thereto, and all technical solutions that can be obtained by means of equivalents or equivalent changes are within the scope of the present invention.
Claims (7)
1. A mobile concrete pump truck debugging and testing device is characterized by comprising a mobile control cabinet, a CAN card, a proximity switch, a data acquisition card, a plurality of pressure sensing devices and an industrial personal computer, wherein the CAN card and the data acquisition card are arranged in the control cabinet and are in communication connection with the industrial personal computer; the CAN card is used for being connected with a CAN line of the pump truck electric control box so as to transmit a pump truck communication signal to the industrial personal computer; the proximity switch is used for detecting the stirring speed of the pump truck and transmitting a stirring speed signal to the data acquisition card; the pressure sensing devices are used for sensing the pressure of each pressure measuring point of the pump truck and transmitting a pressure signal to the data acquisition card; the data acquisition card is used for reading the stirring speed signal and the pressure signal and transmitting the signals to the industrial personal computer; the industrial computer is installed a plurality of debugging programs of compiling in advance, the industrial computer is based on the signal data of gathering, through the operation debugging program, carries out test one by one to each debugging project of pump truck, the debugging project includes following type: static data monitoring, instantaneous data monitoring, interval time detection, pressure range and maximum and minimum difference detection, lubrication time detection, maximum and left and right cylinder pressure difference detection, oil temperature monitoring, detection of the constant power starting and regulating pressure of a main pump, and detection of the corresponding relation of displacement, rotating speed and reversing times;
wherein the instantaneous data monitoring is used for detecting a changing pressure value, and triggering an action when the pressure value reaches a certain value; the interval time detection is used for detecting the pressure of an arm frame oil cylinder or the arm speed, wherein the pressure of the arm frame oil cylinder is detected according to the time of a pumping oil filling door, and the arm speed is detected according to the angle change time of the arm frame; the pressure range and the maximum-minimum difference detection comprise: if the measured data is in the required pressure range and the difference value between the maximum pressure and the minimum pressure is less than or equal to a set value, judging that the test is passed; the maximum value and left-right cylinder pressure difference detection comprises the following steps: if the maximum working pressure of the left cylinder and the right cylinder is in the required range and the measured pressure of the left cylinder and the right cylinder meets the following conditions, the judgment is that the test is passed: Δ P = | pocky-pauci | ≦ wherein one of pauci and pauci represents left cylinder pressure, the other represents right cylinder pressure, Δ P represents left-right cylinder pressure difference, Δ P represents set value;
the specific method for detecting the interval time comprises the following steps: defining a test interval, and defining that the time is started when the curve enters the test interval from the lower limit and the time is stopped when the curve exits the test interval from the upper limit, or the time is started when the curve enters the test interval from the upper limit and the time is stopped when the curve exits the test interval from the lower limit; when the test is started, if the data are in the upper and lower limit ranges of the test interval, judging that the data do not pass, and restarting the test; and after the curve is out of the test interval, timing is finished, the test is finished after 2 seconds of delay, and a judgment result is obtained: if the interval time is within the specified test interval, judging to be qualified, and if the interval time is not within the specified test interval, judging to be unqualified; wherein the curve represents boom cylinder pressure or boom angle.
2. The debugging and testing device of claim 1, wherein said control cabinet comprises a cabinet body and a cover body connected with the cabinet body in a turnover manner, said industrial control computer comprises an industrial control host and an industrial display connected with the industrial control host, said pressure sensing device comprises a pressure sensor and a pressure sensor oil pipe connected with the pressure sensor, said CAN card, data acquisition card and industrial control host are all installed in said cabinet body, said industrial display is installed in said cover body, said pressure sensor is installed or not installed in said cabinet body, said proximity switch is placed in said cabinet body.
3. The mobile concrete pump truck debugging and testing device of claim 1, wherein said debugging and testing device is connected with a handheld terminal through a wireless router.
4. The mobile concrete pump truck debugging and testing device of claim 1, wherein said debugging and testing device is in communication connection with an enterprise server through a wireless router.
5. A method for debugging a concrete pump truck by using the mobile concrete pump truck debugging and testing equipment of claim 1, which is characterized by comprising the following steps:
collecting a pump truck communication signal, a stirring speed signal and each pressure signal;
inputting vehicle information of a pump truck to be debugged;
calling out a corresponding debugging program according to the vehicle information;
and running a debugging program based on the acquired signal data, testing each debugging item of the pump truck one by one, and judging that the whole truck is qualified for debugging if all the debugging items are qualified.
6. The method of claim 5, wherein the specific method of oil temperature monitoring comprises: setting an oil temperature detection condition, and judging that the oil temperature passes the test if the oil temperature meets the detection condition and corresponding action exists within two seconds; if not, the judgment is failed.
7. The method according to claim 5, wherein the inputting of the vehicle information of the pump truck to be debugged specifically comprises: vehicle information of the pump truck to be debugged is imported from the MES system of the enterprise server by manual input or by using a network connection.
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