JPH08260870A - Excavation data recording device and recorded excavation data editing device - Google Patents

Abstract

PURPOSE: To record excavation data simply and definitely by installing to an excavating machine sensors which detect such excavation data as depth, rotary speed, torque and hydraulic pressure and so forth and installing a personal computer or the like which computes and edits the aforesaid excavation data. CONSTITUTION: Various kinds of sensors 2, such as a rotary encoder, a pressure sensor, and a flow rate sensor are installed to an excavating machine 1, thereby detecting depth, advancing speed, advancing force, impact force, number of impact, hydraulic pressure and flow rate and so forth. A programmable controller 3 computes based on these data and the computed data is edited with a personal computer, thereby preparing non-contact type cards 12 with a memory card reader/write 11. An operator of the excavating machine 1 can execute this recording work in parallel to an excavating work only by setting a non- contact type recording medium, thereby dispensing with any people for data recording. This construction makes it possible to compile data even under such adverse environments as dust, vibration and high temperature. It is, therefore, possible to record data simply and definitely as well.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an excavation data acquisition device and an excavation data acquisition processing device.

[0002]

2. Description of the Related Art When excavating an underground cavern such as a tunnel, it is important for construction management to evaluate and predict the rock mass or geology in front of the cutting face. Therefore, preliminary surveys such as core boring have been conventionally performed. On the other hand, in recent years, along with excavation, various excavation data, for example, excavation time to reach each excavation depth, excavation speed at each excavation depth, advancing force, torque, water pressure, etc. are collected, and the excavation data is collected. A method of analyzing with a computer and performing a preliminary evaluation for subsequent excavation is also adopted (for example, Japanese Patent Laid-Open No. 4-161588).

In the prior evaluation method using such excavation data, the excavation data is collected by installing a floppy disk device at the excavation site and recording it on a floppy disk. However, the excavation site is violently vibrated and dusty, and in some cases high temperature and high humidity, the floppy disk device is not suitable for such a working environment. Therefore, generally, a data management room for a personal computer is installed at the excavation site, and signal lines of various sensors provided in the excavator are drawn into the data management room, and the personal computer collects the excavation data.

However, even if a data management room is installed, it is difficult to completely shut off the work environment at the excavation site, and general personal computers, floppy disks, etc. cannot withstand such an environment.
Further, although personal computers have become popular, the operating method is still not easy, and it is difficult for an operator of an excavator, who is unfamiliar with computers, to collect data while excavating. Furthermore, it is possible to install a data management room at a large-scale site, but it is costly at a small-scale site. further,
At a large-scale tunnel construction site, it is difficult to install a data management room in a good environment outside the tunnel.

[0005]

The present invention has been made based on the above technical background, and achieves the following objects.

An object of the present invention is to provide an excavation data acquisition device and an excavation data acquisition device including the acquisition device capable of acquiring excavation data by a simple operation without causing trouble even at an excavation site in a bad environment. To provide an editing device.

[0007]

The present invention employs the following means in order to achieve the above object.

That is, the present invention relates to an excavation data acquisition device installed at an excavation site in association with an excavator, the detecting means for detecting the state of the excavator during excavation as a physical quantity, and the detecting means. In the excavation data acquisition device, an arithmetic processing unit for arithmetically processing the detected value to calculate excavation data and a non-contact type writing unit for writing the excavation data in the non-contact type recording medium are provided.

The present invention also resides in an excavation data acquisition device in which the arithmetic processing means is a programmable controller.

Further, the present invention resides in a data acquisition device characterized in that the non-contact recording medium is a non-contact memory card.

Further, the present invention comprises an excavation data acquisition device installed at an excavation site in association with an excavator, and an excavation data editing device installed in a room isolated from the working environment of the excavation site. An excavation data acquisition / editing device comprising: detection means for detecting the state of the excavator being excavated by the acquisition device as a physical quantity; and an arithmetic processing of the detection value of the detection means to calculate excavation data. And a non-contact type writing unit for writing the excavation data in the non-contact type recording medium, wherein the editing device reads the excavation data written in the non-contact type recording medium. The excavation data acquisition / editing apparatus comprises a non-contact type reading means and an editing processing means for editing and filing the read excavation data.

Further, the present invention is the excavation data acquisition / editing apparatus, wherein the arithmetic processing means is a programmable controller and the editing processing means is a personal computer.

[0013]

During operation of the excavator, the information on the excavator detected by the detecting means is input to the arithmetic processing means, and the arithmetic processing means arithmetically processes the detected value to obtain, for example, depth, excavation speed, excavation force, etc. Calculate excavation data. The excavation data is transferred to the non-contact writing means and written in the non-contact recording medium. Writing of such excavation data is performed at the excavation site. Then, in a site office, for example, which is isolated from the working environment of the excavation site, the excavation data written in the non-contact type recording medium is read by the non-contact type reading means and edited by the editing processing means.

[0014]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram showing a data acquisition device according to the present invention. This embodiment is a device applied to acquire excavation data by a hydraulic hammer excavator used in a tunnel. The hydraulic hammer type excavator 1 is provided with various sensors 2, 2, ... For detecting the excavation state. These sensors 2 detect primary data used to calculate depth, excavation speed, excavation force, impact force, impact number, torque, rotation speed, water pressure, rotation speed, water pressure, and flow rate as excavation data. There is a rotary encoder, a plurality of pressure sensors, a flow rate sensor, and the like.

A measurement control board is installed at the excavation site in association with the excavator 1, and a programmable controller 3 is incorporated in this control board. The programmable controller 3 may have both the sequence control function of the excavator 1 and the measurement control function of excavation data, or may be provided separately. The programmable controller 3 is
It has a CPU 4, a system memory 5, and a user memory 6. A program for executing the operation of the CPU 4 is stored in the system memory 5, and the CPU 4 executes various control operations such as reading, writing and calculation according to the program. A calculation program for calculating excavation data is stored in the user memory 6.

The sensors 2, 2 ... Are connected to the CPU 4 via the counter 7 or A / D converters 8, 8 ... And the interface 9.
It is connected to the. CPU4 is interface 1
It is connected via 0 to a memory card read / writer 11 incorporated in the control panel. The memory card read / writer 11 is a non-contact writing means for writing excavation data in the non-contact memory card 12.

The non-contact type memory card 12 is a type of memory card that is accessed by electromagnetic coupling with the memory card read / writer 11 via a built-in sheet coil. That is, there is no contact with the memory card read / writer 11, and vibration, wear, oil, water, dirt, etc. do not hinder writing and reading. Further, since the RAM and the like inside the card are encapsulated with epoxy resin, it is strong against external impact such as bending and dropping. For this reason, it is easy to handle and the recorded data is not easily damaged even if the operator on site handles it roughly.

Next, the operation of the above embodiment will be described.
While the excavator 1 is operating, the detection signals of the sensors 2, 2, ... Are counted by the counter 7, or the analog signal is converted into a digital signal by the A / D converter 8, and the CPU 4
Is input to Then, the CPU 4 follows the calculation programs stored in the user memory 6 to detect the sensors 2, 2, ...
The calculated value is calculated and the excavation data such as the depth, the excavation speed, the excavation force, and the impact force described above are calculated. An example of the calculation method of each excavation data is as follows.

Of the depth and excavation speed sensors 2, 2, ..., The rotary encoder detects the amount of movement of the drill head as a pulse, and this pulse is counted by the counter 7 and the amount of movement is integrated to obtain the depth.
The excavation speed is calculated by changing the excavation depth per unit time.

The pressure sensor of the torque sensors 2, 2, ... Detects the input / output oil pressure of the rotary hydraulic motor and calculates the torque from the detected value and the characteristic of the hydraulic motor.

A pressure sensor of the excavation force sensors 2, 2 ... Detects the forward and backward hydraulic pressure of the feed cylinder, and the detected value is multiplied by the cylinder area to calculate the excavation force.

The amount of oil in the hydraulic motor for rotation is detected by the flow rate sensor of the rotational speed sensors 2, 2, ..., And the rotational speed is calculated from the detected value and the characteristics of the hydraulic motor.

Impact energy, impact number The pressure sensor of the sensors 2, 2 ... Detects the impact oil pressure of the rod and calculates the generated energy and impact number using a conversion formula.

Of the water supply amount and water supply pressure sensor 2, 2, ...
The discharge amount and discharge pressure of the water feed pump are detected, and the detected values are used as the water feed amount and water feed pressure.

The excavation data calculated as described above is transferred to the memory card read / write via the interface 10.
It is transferred to the writer 11 and written in the memory card 12. The excavation data may be written in parallel with the operation of the excavator, or may be temporarily stored in the user memory 6 and then written after the end of the operation. The memory card reader / writer 11 requires almost no operation other than inserting the memory card 12 into the slit, and can be easily handled by an operator unfamiliar with computer operation.

FIG. 2 is a block diagram of the excavation data editing device. This editing device is installed in a room isolated from the working environment of the excavation site, for example, a site office. Memory card read / writer 13 that is means for reading excavation data
Is the same as the memory card read / writer 11 installed at the excavation site and is connected to the personal computer 14.

The excavation data written in the memory card 12 is read by the memory card read / writer 13 and transferred to the personal computer 14. The excavation data is edited and processed by the personal computer 14, and the floppy disk 15 and the magneto-optical storage medium (M
O) etc. are filed. For filing, the CSV method, which can be processed by general database software or tabulation software, can be applied. The edited data can be printed by the printer 16. FIG. 3 shows an example of data edited as an excavation record. This edited data is analyzed by a large computer and used for preliminary evaluation for subsequent excavation. The excavation data can be edited as a daily work report.

The above-mentioned embodiment is a preferred embodiment of the present invention, but is merely an example, and the present invention can be modified in various ways as described below, for example, without departing from the essence thereof.

(1) Although the above embodiment is configured to collect the excavation data for one excavator, it is also possible to simultaneously collect the excavation data for a plurality of excavators.

(2) In the above embodiment, the present invention is applied to excavation by the hydraulic hammer excavator,
For example, the present invention can be applied to excavation by other excavators such as ground improvement machines.

[0032]

As described above, according to the present invention, it is possible to collect excavation data by a simple operation without causing a trouble even at an excavation site in a bad environment.

That is, since the non-contact type writing means and the non-contact type recording medium are non-contact, have no mechanical driving parts, and are strong against environment such as dust, vibration, high humidity, etc., they should be installed at the excavation site. The excavation data can be acquired reliably.

At the excavation site, the operator of the excavator only needs to set the non-contact type recording medium, and the operator can perform the data acquisition work in parallel with the excavation work. No need for staffing.

By using a programmable controller as the arithmetic processing means, not only it can withstand dust, vibration, high humidity, etc., but it can also be used for excavator control and data acquisition, thus saving space and cost. Can be achieved.

[Brief description of drawings]

FIG. 1 is a block diagram showing an embodiment of a data acquisition device of the present invention.

FIG. 2 is a device configuration diagram of an editing apparatus.

FIG. 3 is a diagram showing an example of edited data.

[Explanation of symbols]

 1 ... Excavator 2 ... Sensor 3 ... Programmable Controller 4 ... CPU 5 ... System Memory 6 ... User Memory 11 ... Memory Card Read / Writer 12 ... Memory Card

Claims (5)

[Claims] 1. An excavation data acquisition device installed at an excavation site in association with an excavator, comprising: detection means for detecting the state of the excavator during excavation as a physical quantity; and a detection value of the detection means. An excavation data acquisition device comprising: an arithmetic processing unit for arithmetically processing the excavation data to calculate excavation data; and a non-contact type writing unit for writing the excavation data in a non-contact type recording medium. 2. The excavation data acquisition device according to claim 1, wherein the arithmetic processing means is a programmable controller. 3. The data acquisition device according to claim 1, wherein the non-contact recording medium is a non-contact memory card. 4. An excavation device comprising an excavation data acquisition device installed at an excavation site in association with an excavator, and an excavation data editing device installed in a room isolated from the working environment of the excavation site. A data acquisition / editing device, wherein the acquisition device detects a state of the excavator during excavation as a physical quantity, and a detection value of the detection device is arithmetically processed to calculate excavation data. A non-contact type for reading the excavation data written in the non-contact type recording medium by the editing device, and a processing means and a non-contact type writing means for writing the excavation data in the non-contact type recording medium. An excavation data acquisition / editing apparatus comprising: reading means; and editing processing means for editing and filing the read excavation data. 5. The excavation data acquisition / editing apparatus according to claim 4, wherein the arithmetic processing means is a programmable controller, and the editing processing means is a personal computer.