JP2894898B2 - Pavement construction machine data collection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data collection apparatus for collecting work-related data during the operation of a pavement machine such as an asphalt finisher.

[0002]

2. Description of the Related Art Conventionally, this type of data collection has hardly been automated. Particularly, in road pavement construction work using an asphalt finisher, for example, pavement construction-related data such as pavement thickness and pavement width are used. The measurement is performed manually.

[0003] In addition, after the work is completed, in many cases, the measured data is organized to create reports and various documents for construction management, etc., by hand.

[0004]

However, when data measurement during work and preparation of a report after the work and materials for construction work management are performed manually as described above, a large number of personnel and labor are required. Will be taken. In addition, there is a possibility that a data measurement error during the work or a mistake in organizing the measurement data used for creating a report after the work or construction work management data may occur. Further, in such a case, an accurate report and useful construction work management data cannot be obtained, which may hinder the construction work plan.

[0005] The present invention has been made in view of such circumstances, and automates data measurement during construction work and saves the measured data, so that data measurement can be performed without labor and time. It is an object of the present invention to provide a data collection device for a pavement construction machine capable of obtaining accurate measurement data for a report prepared after the work and for a work management data.

[0006]

The present invention has the following configuration to achieve the above object. That is, the present invention is a data collection device that collects work-related data during work of a pavement construction machine that performs pavement construction work while moving forward, and measures a construction speed during work of the pavement construction machine. Construction speed measurement means, construction distance calculation means for calculating construction distance from construction speed data, pavement thickness, pavement width, crown amount, transverse slope, mix temperature, pavement temperature and the pavement of the pavement during the operation of the pavement construction machine Work-related data measurement means for measuring the tamper rotation speed and vibrator rotation speed of the construction machine, data obtained by the construction speed measurement means and the construction distance calculation means, and work-related data measured by the work-related data measurement means Measurement data storage means for storing data and the construction distance obtained from the construction distance calculation means, the work-related data measurement means A device for giving an instruction to measure each work-related data for each fixed work distance arbitrarily determined for each work-related data, and giving an instruction to save the measured work-related data to the measurement data storage means Management means.

[0007]

The operation of the present invention is as follows. During the work of the pavement construction machine, the construction distance calculation means calculates the construction distance from the construction speed data measured by the construction speed measurement means, the equipment management means counts the construction distance passed from the construction distance calculation means, When it is time to measure the work-related data of the pavement thickness, pave width, crown amount, cross slope, mixture temperature, and tamper rotation speed and vibrator rotation speed of the pavement construction machine, the work-related data measurement means measures it. The measurement instruction of the data to be given is given. The measurement of the work-related data is performed for each fixed work distance, and the fixed work distance is a distance arbitrarily determined for each work-related data. The work-related data measurement means measures the instructed data and passes the measured data to the device management means.

The apparatus management means needs the data obtained by the construction speed measurement means and the construction distance calculation means and the work-related data measured by the work-related data measurement means in parallel with the above-mentioned data collection processing. In order to store the data, the data to be stored is passed to the measurement data storage means and a storage instruction is given. The measurement data storage unit stores the passed data in association with the construction distance at the time of measurement.

[0009]

An embodiment of the present invention will be described below with reference to the drawings. In this embodiment, a data collection device mounted on, for example, an asphalt finisher as a pavement construction machine will be described. FIG. 1 is a block diagram illustrating a schematic functional configuration of the present embodiment. In the figure, reference numeral 1 denotes a construction speed measuring unit for inputting a voltage corresponding to a construction speed in a traveling direction of the asphalt finisher from a speed sensor (not shown) mounted on the asphalt finisher, and converting the inputted voltage into digital data. It is. Details of the construction speed to be measured will be described later. This construction speed measuring unit 1
Corresponds to the construction speed measuring means in the present invention.

[0010] 2 is measured by the construction speed measuring unit 1,
This is a construction distance calculation unit that calculates the construction distance by integrating the construction speed converted into digital data. The construction distance calculation unit 2 corresponds to the construction distance calculation means in the present invention.

Reference numeral 3 denotes a work-related data measuring unit for inputting a voltage corresponding to each work-related data from a sensor (not shown) connected to each measurement destination and converting each input voltage to digital data. is there. The types and contents of the work-related data to be measured will be described later. The work-related data measuring section 3 corresponds to the work-related data measuring means in the present invention.

Reference numeral 4 denotes an instruction input unit for instructing display of measurement data and the like. The type and content of the input instruction will be described later.

Reference numeral 5 denotes measurement data for displaying the construction speed measured by the construction speed measurement unit 1, the construction distance calculated by the construction distance calculation unit 2, each work-related data measured by the work-related data measurement unit 3, and the like. It is a display unit.

Reference numeral 6 denotes a state display section for displaying the type of measurement data displayed on the measurement data display section 5 and an abnormal state of the apparatus.

Reference numeral 7 denotes measurement data for storing the construction speed measured by the construction speed measurement unit 1, the construction distance calculated by the construction distance calculation unit 2, and each work-related data measured by the work-related data measurement unit 3. It is a storage unit. The storage of the measurement data and the like is performed in a storage medium set in the measurement data storage unit 7. The data storage method will be described later. The measurement data storage unit 7 corresponds to a measurement data storage unit in the present invention.

Reference numeral 8 designates a construction speed measurement instruction to the construction speed measuring unit 1 at regular time intervals, and gives a construction speed measured each time the construction speed is measured to the construction distance calculation unit 2. An instruction to calculate the construction distance is given, a measurement instruction for each work-related data is given to the work-related data measuring unit 3 for each fixed construction distance arbitrarily determined for each work-related data, and an instruction from the instruction input unit 4 is received. Then, data to be displayed and a display instruction are given to the measurement data display unit 5 according to the instruction of the instruction input unit 4, a display instruction such as the instruction state of the instruction input unit 4 is given to the state display unit 6, and the measurement data storage unit 7 stores the instruction. The device management unit provides data to be stored and a storage instruction at each data storage timing. Device management unit 8
The details of the above-mentioned management contents will be described later. The device management unit 8 corresponds to a device management unit in the present invention.

The solid line in FIG. 1 indicates the flow of processing, and the dotted line indicates the flow of data. The processing and the flow of data will be described below.

The data collection apparatus according to the present embodiment performs processing such as data measurement during data collection processing, data display,
Processing such as saving is performed in parallel.

Processing such as data measurement. During the operation of the asphalt finisher, the device management unit 8 gives the construction speed measuring unit 1 an instruction to measure the construction speed at regular intervals. The construction speed measuring unit 1 measures the construction speed in the traveling direction of the asphalt finisher, converts the measured construction speed into digital data, and passes the converted construction speed data to the device management unit 8. The device management unit 8 passes the passed construction speed data to the construction distance calculation unit 2 and gives a construction distance calculation instruction. The construction distance calculation unit 2 calculates the construction distance based on the passed construction speed, and returns the calculated construction distance to the device management unit 8. The device management unit 8 counts the passed construction distance, and gives a measurement instruction of the data to be measured to the work-related data measurement unit 3 when the measurement timing of each work-related data comes. The measurement of the work-related data is performed for each fixed work distance, and the fixed work distance is a distance arbitrarily determined for each work-related data. The work-related data measurement unit 3 measures the specified data and passes the measured data to the device management unit 8.

Processing such as displaying and saving data. The device management unit 8 receives an instruction from the instruction input unit 4. The device management unit 8 calculates the measured construction speed and work-related data,
In order to display the calculated construction distance in accordance with the instruction of the instruction input unit 4, data to be displayed is passed to the measurement data display unit 5 and a display instruction is given. The measurement data display unit 5 displays the passed data. Further, the device management unit 8 gives a display instruction to the status display unit 6 in order to display the content of the instruction of the instruction input unit 4 and a status such as an abnormal status of the device. Further, the device management unit 8 passes data to be stored to the measured data storage unit 7 to store the measured construction speed and work-related data, and the calculated construction distance at each storage timing, and issues a storage instruction. give. The measurement data storage unit 7 stores the passed data in a storage medium in association with the construction distance at the time of measurement.

FIG. 2 is a block diagram showing the hardware configuration of this embodiment. In the figure, 10 is a ROM (Re
ad Only Memory). In the ROM 10, processing procedures (programs) for executing each processing of the construction distance calculation unit 2, the device management unit 8, and the like are stored in advance. 1
Reference numeral 1 denotes a RAM (Randam Access Memory), which is used, for example, when temporarily storing measured data. Reference numeral 12 denotes a CPU (Central Processing Unit), which executes processing such as measurement data collection in accordance with the processing procedure stored in the ROM 10.

Reference numeral 13 denotes an A / D (Analog-Digital) converter, which is a data measuring and converting unit corresponding to the construction speed measuring unit 1 and the work-related data measuring unit 3. A / D converter 13
, A voltage is input from a sensor connected to the measurement destination of each measurement data. Reference numeral 14 denotes an instruction input switch, which is an input switch corresponding to the instruction input unit 4. Fifteen
Is an LED (Light Emitting Diode) monitor, and 7
The display of numbers and the like is performed by the LED of the segment. The LED monitor 15 is a display device corresponding to the measurement data display unit 5. Reference numeral 16 denotes a status display lamp, which is a display lamp corresponding to the status display unit 6. 17 is an LSI (Large Sc
ale Integrated Circuit) card unit, LS
It is used when the I card 18 is inserted and measurement data and the like are written. The LSI card unit 17 and the LSI card 18 are data storage (storage) devices corresponding to the measurement data storage unit 7 and a storage medium set in the measurement data storage unit 7. The data storage device is not limited to an LSI card (LSI card unit), and a storage medium (for example, a flexible disk (flexible disk drive)) detachable from the data collection device may be used. Reference numeral 19 denotes a power switch, which switches between supplying (ON) and stopping (OFF) power to the data collection unit. Reference numeral 20 denotes an input / output interface.

When the power switch 19 is turned on, RO
From M10, a processing procedure for executing each processing of the above-described construction distance calculation unit 2, the device management unit 8, and the like is read, and according to the processing procedure, the CPU 12 executes the initial processing, and then executes data from the instruction input switch 14. According to the collection instruction, data collection processing such as data measurement and data storage is executed.

Next, the types and contents of data measured by the construction speed measuring unit 1 and the work-related data measuring unit 3 will be described.

(1) Right pavement thickness and left pavement thickness: FIG.
Is h ₁ and the thickness of the right and left case member G used for paving roads R shown in h ₂ of (a). The left and right pavement thicknesses h ₁ and h ₂
Is the relative height of the bottom of the crawler of the asphalt finisher and the right and left screeds (a device for adjusting the amount of the mixture G flowing on the road R to the pavement thickness and leveling the mixture G flowing) relative to the road R. Measure the difference in height. The sensor is
For each of the left and right sides, from a point A to a predetermined point on the screed (point B) with respect to a reference line passing through one point (point A) of the bottom surface of the crawler of the asphalt finisher in parallel with the surface of the road R. The elevation angle is measured, the angle is lowered vertically from the point B to the reference line, and a reference line obtained based on a point (referred to as a point C) intersecting with the reference line and a length of the point A (known value) is obtained. converting the height of the screed (length of the points B and C (h _1, h ₂₎₎ into a voltage.

(2) Pavement width: The width of the paved road R shown by w in FIG. The width of the pavement is measured by the width of the left and right telescopic screed extending to the left and right. The sensor measures the length (w) between the respective reference points provided on the left and right sides of the screed and converts it into a voltage.

(3) Crown amount: θ in FIG. 3 (b)
As shown in _1, a value corresponding to the angle formed transverse pavement called crown. The crown amount is measured from the screw jack portion of the crown device at the center of the main screed. The sensor measures the amount of expansion and contraction of the screw jack portion of the crown device, and converts the crown amount (θ ₁ ) into a voltage.

(4) Tamper rotation speed (hereinafter referred to as T rotation speed) and vibrator rotation speed (hereinafter referred to as V rotation speed)
: The number of rotations of the motor that gives vibration to the screed for the purpose of compacting the mixture. The sensor counts the rotation of the motor as the number of pulses, and converts the number of rotations of the motor obtained from the number of pulses into a voltage.

(5) Construction speed: The construction speed in the traveling direction during the construction work of the asphalt finisher. This construction speed is measured based on, for example, the number of rotations of a wheel of the asphalt finisher. The sensor counts, for example, the rotation of a gear linked to a wheel as the number of pulses, and converts the construction speed obtained from the number of pulses in a certain time into a voltage.

(6) Cross slope: θ _{2 in} FIG. 3 (c)
Is a value corresponding to the angle representing the transverse inclination of the pavement surface shown in FIG. This cross slope is measured from the ratio of the inclination of the left and right screeds. The sensor measures the inclination angle of the screed, and converts the ratio (θ ₂ ) of the inclination angle obtained based on each angle into a voltage.

(7) Mix temperature: The temperature of the mix immediately after the asphalt finisher is laid on the road. This mixture temperature is measured from the temperature of the pavement surface of the road. The sensor measures the temperature using infrared rays or the like and converts the temperature into a voltage.

Next, the type and contents of the instruction input from the instruction input unit 4 will be described. Instructions to be input include a “power ON / OFF” instruction, a “collection / standby” instruction, and a “display selection” instruction.

The "power ON / OFF" instruction is used to instruct power supply (ON) and stop (OFF) to the data collection unit.

The "collection / standby" instruction is used when instructing to switch between the data collection mode and the standby mode.

The "display selection" instruction is sent to the measurement data display unit 5
Used to switch the data displayed in.

FIG. 4 is a diagram showing the flow of measurement data and the like displayed on the measurement data display section 5. Each time a "display selection" instruction is input, the data to be displayed is switched as shown in FIG. For example, the measurement data display section 5 displays “Right pavement thickness”.
When the “display selection” instruction is input while the measurement data of “1” is displayed, the display is switched to the measurement data of “left pavement thickness”. The switching of the data display is performed cyclically as shown in FIG. The measurement data display unit 5
Shows the average value of the latest four data.

Next, the management contents of the device management unit 8 will be described. FIG. 5 is a diagram showing measurement, calculation, display, and storage types of each data, and respective timings. “Data name” in the figure is a data name measured and calculated.

"Measurement" represents a measurement type of each data.
“0” is data that is not measured, “1” is data that is measured for each predetermined construction distance,
“2” indicates that the data is measured at regular intervals.

The “measurement timing” is data in which the above “measurement” is “1” or “2” (data to be measured).
Shows the respective measurement timings.

"Calculation" represents the type of calculation for each data.
“0” indicates data not calculated, and “1” indicates data calculated.

The “calculation timing” indicates the calculation timing of each of the data (data obtained by calculation) in which the above “calculation” is “1”.

"Display" indicates a display type of each data.
If it is “0”, it is data that is not displayed on the measurement data display unit 5, and “1” is that it is data that is displayed on the measurement data display unit 5.

The "display timing" indicates the display update timing of each of the data in which the above "display" is "1" (data to be displayed on the measurement data display section 5).

"Save" indicates the type of storage of each data.
If it is “0”, it is data that is not stored in the measurement data storage unit 7, “1” is data that is stored in the measurement data storage unit 7 for each predetermined construction distance, and “2” is the data that is stored in the measurement data storage unit 7. This indicates that the data is collectively stored in the unit 7 at the end of the data collection processing.

The "save timing" indicates the save timing of each of the data in which the above "save" is "1" (data to be stored in the measurement data storage unit 7 for each predetermined construction distance).

The device management unit 8 instructs measurement, calculation, display, and storage of each data according to the various types and timings described above.

Next, a method of storing data in the measurement data storage unit 7 will be described. FIG. 6 is a diagram illustrating a data storage method. In the data storage medium, the data whose “save” in FIG. 5 is “1” has the “save timing” earliest among the data (in FIG. 5,
0.25m), the number of data to be stored (in FIG. 5,
9 data). The storage order for this area is right pavement thickness, left pavement thickness, crown amount,
Cross slope, pavement width, construction speed, T rotation speed, V
The number of rotations and the mixture temperature. When each data is not the “save timing”, the data is not saved in the corresponding portion of the area (“0” is saved).

FIG. 6 shows a state where each data is stored in a storage medium (such as an LSI card 18). The hatched portion in the figure indicates a portion where data is not stored because it is not the “save timing”. Also, A1 to A
2 indicates that the data is measurement data (measured by L2) of the construction distances L1 and L2 in FIG. Similarly A
The stored data of 2 to A3 are data measured at L3, and the stored data of A4 to A5 are data measured at L5. A6 indicates the end of the data collection process, and at the end of the data collection process, the worked construction distance data is stored. In the system area, the power is turned off during the data collection processing to determine whether the data collection processing is interrupted or terminated.
Data that has been flipped or stored in a storage medium (such as the LSI card 18) stores information such as whether it has been read.

Next, the operation of the data collection apparatus according to the present embodiment will be described with reference to the flowcharts of FIGS. When the power is turned on by the "power ON / OFF" instruction of the instruction input unit 4, the measurement data display unit 5, the status display unit 6
, Display counters are initialized, and various measurement counters are initialized (step S1). When the initial processing in step S1 ends, the standby mode processing (step S2) is automatically executed.

During the standby mode, a communication check with the measurement data storage unit 7, a format of the storage medium (such as the LSI card 18), and a check whether the storage medium is set are performed (step S201). Part 7
If the communication with the device and the format of the storage medium are abnormal, an "error" status is displayed on the status display unit 6, an error code corresponding to the generated error is displayed on the measurement data display unit 5, and the process ends. . In this state, the process can be restored by turning off the power in accordance with the “power ON / OFF” instruction of the instruction input unit 4 (steps S202 and S203). If the storage medium is not set, an “error” state is displayed on the state display unit 6, an error code corresponding to the generated error is displayed on the measurement data display unit 5, and the process returns to step S 201 again (step S 204, 205). If the communication with the measurement data storage unit 7 and the storage medium are normal, the capacity of each work-related data that can be stored in the storage medium is 50 in terms of the construction distance.
m (step S206), and
If not more than m, an “error” state is displayed on the state display unit 6 and an error code corresponding to the error that has occurred is displayed on the measurement data display unit 5 (step S20).
7). Next, it is checked whether or not the mode has been switched to the data collection mode by the "collection / standby" instruction of the instruction input unit 4, and if the mode is still the standby mode, the process returns to step S201 (step S208). If the mode has been switched to the data collection mode, the storage remaining amount of the storage medium is set in a storage remaining amount counter (not shown), and the data collection mode process (step S
Step 3) is executed (step S209).

During the data collection mode, the construction speed measuring unit 1 measures the construction speed at regular intervals (for example, 30 msec) based on a command from the device management unit 8 (step S301). The construction distance calculation unit 2 calculates the construction distance by integrating the measured construction speed (Step S30).
2). The calculated construction distance is added to a construction distance counter (not shown) in the device management unit 8 (step S303).

The measurement, display and storage processes of steps S304 to S309 are executed for each of the construction speed, construction distance and each work-related data. In other words, the data measured for each predetermined construction distance,
It is checked whether the data has reached the timing of measurement (step S304). If data measurement is to be performed, the data is measured (step S305).

The data displayed on the measurement data display section 5,
It is checked whether the data has reached the timing to update the display (step S306). If the data is to be updated, the display is updated by calculating the average value of the latest four times of the data (step S306). Step S307). Next, it is checked whether or not the data to be stored in the measurement data storage unit 7 has reached the storage timing (step S308). If the data is to be stored, the data is stored (step S309). ). It is checked whether the search for the data to be checked (construction speed, construction distance, and each work-related data) has been completed. If the search has not been completed, the process returns to step S304 to repeat the measurement, display, and storage processes (step S310).

The remaining storage capacity of the storage medium is checked, and if there is a remaining storage capacity, the process returns to step S301 to repeat the data collection process again (step S311). If there is no remaining storage capacity, an "error" status is displayed on the status display unit 6, an error code corresponding to the generated error is displayed on the measurement data display unit 5, and the standby mode processing (step S2) is automatically performed. Execute (step S312).

During the standby mode processing (step S2), the mode is switched to the data collection mode by the "collection / standby" instruction of the instruction input unit 4, the display instruction is switched by the "display selection" instruction, and the "power ON / OFF". Power ON by instruction
Accept the instruction of F. During the data collection mode process (step S3), switching to the standby mode by the “collection / standby” instruction of the instruction input unit 4 and switching of the display instruction by the “display selection” instruction are accepted. For protection, an instruction to turn off the power by an instruction to turn on / off the power is not accepted. Further, when a communication error with the measurement data storage unit 7 occurs during the data collection mode process (step S3), an “error” state is displayed on the state display unit 6 and the measurement data display unit 5 is displayed.
Displays the error code corresponding to the error that occurred,
The standby mode processing (step S2) is automatically executed.

Note that the LSI is measured as described above,
After the work on each data stored on the card, etc., read each data from the LSI card etc. using a personal computer, etc., based on the data, organize the data, create various documents, graph the data, standardize the data By searching for defective parts, managing construction machines, and managing the used mixture, useful data for work management can be easily obtained.

[0057]

As is apparent from the above description, according to the present invention, the measurement of work-related data during pavement construction work is automated, and the measured data is saved, thereby saving labor and time. Data measurement during pavement construction work can be performed, and accurate measurement data to be used for reports created after completion of pavement construction work and various construction work management materials can be obtained.

[Brief description of the drawings]

FIG. 1 is a block diagram illustrating a schematic functional configuration of an embodiment.

FIG. 2 is a block diagram illustrating a hardware configuration of the embodiment.

FIG. 3 is a cross-sectional view showing various states after a road pavement operation.

FIG. 4 is a diagram showing a flow of measurement data and the like displayed on a measurement data display unit.

FIG. 5 is a diagram showing measurement, calculation, display, and storage types of each data, and respective timings.

FIG. 6 is a diagram showing a data storage method.

FIG. 7 is a diagram showing a data storage method.

FIG. 8 is a flowchart illustrating an operation of the data collection device according to the present embodiment.

FIG. 9 is a flowchart illustrating an operation of the data collection device according to the embodiment in a standby mode.

FIG. 10 is a flowchart illustrating an operation in a data collection mode of the data collection device according to the embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Construction speed measurement part 2 Construction distance calculation part 3 Work related data measurement part 4 Instruction input part 5 Measurement data display part 6 Status display part 7 Measurement data storage part 8 Device management part 10 ROM (Read Only Memory) 11 RAM (Randam Access) Memory) 12 CPU (Central Processing Unit) 13 A / D (Analog-Digital) converter 14 Instruction input switch 15 LED (Light Emitting Diode) monitor 16 Status display lamp 17 LSI (Large Scale Integrated Circuit) card unit 18 Large Scale Integrated Circuit (LSI) card 19 Power switch G Mixture R Road

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiromitsu Kawachi 25, Saiin Oiwake, Ukyo-ku, Kyoto Shimazu Seisakusho Gojo Plant (72) Inventor Hajime Yamamoto 1-2-3 Kita-Aoyama, Minato-ku, Tokyo New Catapilla Inside Mitsubishi Corporation (72) Inventor Yoshitaka Kasugai 1-3-2 Kitaaoyama, Minato-ku, Tokyo New Caterpillar Mitsubishi Corporation (56) References JP-A-63-142211 (JP, A) -34641 (JP, B2) (58) Fields investigated (Int. Cl. ⁶ , DB name) E01C 19/48

Claims (1)

(57) [Claims] 1. A data collection device for collecting work-related data during work of a pavement construction machine that carries out pavement construction work while moving forward, wherein the work is configured to measure a construction speed during the work of the pavement construction machine. Speed measurement means, construction distance calculation means for calculating construction distance from construction speed data, pavement thickness, pavement width, crown amount, transverse slope, mixture temperature, mixture temperature and the pavement construction of the pavement during the operation of the pavement construction machine Work-related data measurement means for measuring the tamper rotation speed and vibrator rotation speed of the machine, data obtained by the construction speed measurement means and the construction distance calculation means, and work-related data measured by the work-related data measurement means The work-related data measuring means is referred to the work distance obtained from the work distance calculating means, Device management means for giving a measurement instruction for each work-related data for each fixed construction distance arbitrarily determined for each industry-related data, and giving an instruction to save the measured work-related data to the measurement data storage means A data collection device for a pavement construction machine, comprising: