JPS6160204B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device that is installed in a compaction machine such as a compactor or various rollers to automatically control the number of compactions by the machine in accordance with soil conditions.

This type of machine is usually used for roads, dams, embankments, etc.
When consolidating developed land, etc., the operator counts the number of compactions until the actual number of compactions reaches a predetermined number of compactions (the number of times the machine travels back and forth).

For this reason, there are many counting mistakes made by the operator, which often causes technical and construction problems such as insufficient number of compactions and excessive compaction.

Therefore, a system has already been developed in which an appropriate number of times of rolling is set in advance and the actual number of times of rolling is automatically counted until the set number of times is reached.

The purpose of this system is to manage the actual number of compactions in order to eliminate counting errors by the driver, but there remains the problem of ensuring that compaction work that is suitable for the soil conditions is carried out reliably and easily. There is.

In other words, this type of compaction effect is greatly influenced by the degree of compaction of the soil at the site, so unless the number of times of compaction is set based on the degree of compaction, under- or over-compaction will not occur. It is extremely difficult to perform optimal compaction work.

This invention was made in view of the above circumstances, and its main purpose is to provide a compaction machine that automatically sets the number of times of rolling adapted to the degree of consolidation of the soil by inputting information on the degree of consolidation of the soil at the site. The present invention provides a rolling compaction number control device.

Another object of the present invention is to automatically accumulate the actual number of compactions of a compaction machine.
Another object of the present invention is to provide a rolling number control device for a compaction machine that can display to the operator an insufficient number of rolling times as a result of comparing and calculating the actual value with the set value of the number of rolling times.

Another object of the present invention is to issue a machine stop command when the actual number of compactions of the compaction machine reaches a set number;
Another object of the present invention is to provide a rolling frequency control device for a compaction machine that can automatically stop the machine.

The present invention is characterized in that efficient compaction work suitable for the degree of compaction of the soil at the site can be carried out smoothly, and that too little or too much compaction does not occur.

Hereinafter, preferred embodiments of the present invention will be described based on the drawings.

The device of the present invention is installed in a compaction machine such as a compactor, and includes a means 1 for inputting soil compaction density information at a compaction site, and a sensor 2 for detecting the actual number of compactions of the machine. It has

The means 1 in the illustrated example comprises a keyboard for inputting information such as the compaction degree and moisture content of the soil measured in advance to the arithmetic processing means 4 via the interface 3.

On the other hand, the sensor 2 detects the switching frequency of the forward/backward switching control system or the rotational speed of the drive system in the compaction machine, and transmits the detection signal to the arithmetic processing means 4 via the interface 3.

The arithmetic processing means 4 has a microcomputer or analog arithmetic system configuration,
Based on the information input from the keyboard 1, the number of times of rolling of the compaction machine is set in accordance with the compaction degree and water content ratio of the soil. In this case, the arithmetic processing means 4 successively retrieves standard data from the memory 5 for setting the number of times of rolling of the compaction machine adapted to the soil compaction density by correcting coefficients such as the water content ratio, etc. Let's do it.

Further, the arithmetic processing means 4 simultaneously sets the appropriate number of times of compaction of the compaction machine as described above, and simultaneously sets the sensor 2.
The actual number of compactions of the compaction machine is integrated based on the input signal from the compaction machine, and the integrated value is compared with the set value of the number of times of compaction.

The arithmetic processing means 4 includes a display means 6 and a recording device 7 as its output devices.

The display means 6 in the illustrated example is a display device, and has a digital display section 6A and a work stop instruction alarm 6B such as a buzzer or a lamp.

The digital display section 6A includes arithmetic processing means 4.
Displays the actual number of compactions of the compaction machine based on the calculation result, or the insufficient number of compactions resulting from subtracting the actual number of compactors from the set value of the number of times to be compacted.

Therefore, the machine operator can instantly grasp the rolling work status by checking the numerical values on the digital display section 6A.

The alarm 6B is activated by an input signal from the arithmetic processing means 4 when the actual number of compactions reaches a set value.

As a result, the driver can easily confirm the end point of proper compaction work, thereby preventing under- or excessive compaction.

On the other hand, the recording device 7 consists of a printer, an X-Y plotter, etc., and records the work results of the compaction machine. The record is useful for work management of the machine.

In the above embodiment, the soil compaction information input means 1 is not limited to the keyboard, but may also be a sensor that directly detects the compaction density and water content ratio of the soil at the site and transmits the detection signals to the calculation processing means 4. ,
Alternatively, it may be a sensor that transmits a soil compaction detection signal to the arithmetic processing means 4 via a water content coefficient setting device.

Further, according to the present invention, it is also possible to automatically stop the compaction machine at the end of the compaction operation.

In this case, when the actual number of compactions of the compaction machine reaches a set value, a signal output by the arithmetic processing means 4 is transmitted to the control system of the compaction machine, and the machine is automatically stopped by the signal. Bye.

Furthermore, the signal can also be used as a command signal when changing the compaction position in the case of unmanned operation of the compaction machine.

As described above, according to the present invention, the number of times the compaction machine is compacted is automatically set according to the degree of compaction of the soil on site, and the number of compactions to be applied by the compaction machine is automatically set according to the degree of compaction of the soil at the site. A good rolling effect can be obtained.

In addition, the actual number of compactions of the compaction machine, or
Since the number of times of insufficient rolling is displayed as a result of comparing and calculating the number of times with the set number of times, the operator can instantly and accurately understand the status of rolling work by checking the display.

For this reason, it is possible to prevent too little or too much rolling pressure beforehand and reliably, and it is possible to carry out efficient rolling work smoothly.

Furthermore, it is also possible to automatically stop the compaction machine by a command signal from the arithmetic processing means when the actual number of compactions reaches a set number.

[Brief explanation of the drawing]

The drawing is a block diagram of preferred settings of the present invention. Reference numeral 1 designates information input means for soil compaction, 2 a sensor for detecting the number of actual compactions, 4 arithmetic processing means, and 6 a display means.

Claims (1)

[Scope of Claims] 1. A device for automatically controlling the number of compactions of a compaction machine according to soil conditions, which includes means for inputting information on soil compaction density at a compaction site and the actual number of compactions of a compaction machine. A sensor for detecting the number of times of compaction and an input signal from the soil compaction information input means to set the number of times of compaction of the compaction machine adapted to the soil compaction density, and input from the sensor. A calculation processing means that uses a signal to integrate the actual number of compactions of the compaction machine and compares and calculates the integrated value with the set value for the number of times of compaction; A compaction number control device for a compaction machine, comprising a display means for displaying the actual number of compactions or the insufficient number of compactions relative to the number of compactions. 2. In the device according to claim 1,
A compaction frequency control device for a compaction machine, characterized in that the information input means for soil compaction density consists of an external input means such as a keyboard. 3. In the device according to claim 1,
The information input means for soil compaction is characterized in that the compaction density is set by correcting the water content ratio based on input signals from each sensor that individually detects the compaction density and water content ratio of the soil at the site. This is a rolling frequency control device for compaction machines. 4. In the device according to claim 1,
A device for controlling the number of compactions of a compaction machine, characterized in that the sensor for detecting the number of actual compactions detects the number of times the compaction machine switches forward and backward, the vehicle speed, etc. 5. In the device according to claim 1,
The display means is characterized by comprising a display device that digitally displays the actual number of compactions or the number of insufficient compactions, and an alarm for instructing to stop work, which is activated when the actual number of compactions reaches a set number. This is a rolling frequency control device for compaction machines. 6. In the device according to claim 1,
A rolling frequency control device for a compaction machine, wherein the arithmetic processing means includes a recording device for recording the work performance of the compaction machine based on the processing results. 7. In the device according to claim 1,
1. A rolling number control device for a compaction machine, wherein the arithmetic processing means automatically stops the machine in response to a signal command when the actual rolling number reaches a set number.