JPS5915186A - Boring apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] The present invention relates to a drilling device.

For example, when excavating a tunnel, etc., in a construction method in which many holes are drilled in the rock, the position corresponding to the drilling pattern on the tunnel excavation cross section is calculated in advance as a numerical value, and this is stored in a storage device. In this way, the thinning machine is positioned, and an input device is provided to input numerical values to correct the positioning.

This makes it possible to more efficiently perform hole drilling operations such as the pern cut method and the smooth blasting method.

By the way, as a tunnel excavation method, the pun cut method is often used these days.

Figures 1 and 2 show this non-cutting method tNR.

Fig. 1 shows a front view of a tunnel face in the pern cut method, and Fig. 2 shows a vertical cross-sectional view thereof.

As shown in Figures 1 and 2, in this construction method, a large diameter hole 1 is drilled in the center of the face, and a large number of charging holes 2 are drilled around it in parallel with the hole. In addition, it is necessary to drill the peripheral charging holes 6 while maintaining a constant angle of inclination (oblique angle) at the peripheral portion of the face surface.

However, in order to always accurately position the thinning machine in a parallel direction or in a certain diagonal direction, it is necessary to operate several positioning operation handles, which is a troublesome task even for experienced workers. Therefore, it is difficult to ensure completeness.

In addition, the blasting effect may be reduced due to uneven drilling,
There was a lot of waste due to cutting out unnecessary parts, and work efficiency was often poor.

Here, FIG. 3 is a working diagram of drilling installation, and 5 is a drilling device. 4 is the boom, 6 is the
It shows the threshing machine.

In addition, in the excavation of tunnels, etc., crushing mj by blasting
It is desirable that the fracture surface corresponds to a predetermined cross section, and making the fractured surface uneven and producing an uneven sound not only results in unnecessary cutting of unnecessary parts, but also requires additional work to correct the missing parts. , the amount of explosives used and the cost of constructing concrete IJ will increase. For this reason, as the Sumudzudo Blasting method,
A method is used that approximates a predetermined cross section by accurately drilling peripheral charging holes and appropriate charging, and crushes with less surface roughness.

However, as mentioned above, the exact positioning of the blasting machine cannot be achieved by manual production, and in this case, the intervals between the surrounding charging holes tend to be uneven, making it ideal for ideal blasting. In addition, it is difficult to select an appropriate charging material.

With these problems as a background, what is important is the selection of an appropriate drilling pattern according to the characteristics of the rock and the accurate positioning of the drilling machine along this turn.

As a method of drilling a hole by setting all the drilling chisel turns, there is a conventional method called the brain ζ-tuk control method. This sets the optimum drilling pattern, positions and moves the boom according to the drilling sequence, and sequentially stores the positions in a storage device. Then, at the site, this is played back (played, six times) and the positioning is performed according to the memorized positioning and ξ turns.

In this method, the boom position set in advance sometimes does not match the actual position at the site, and the correction work is time-consuming. Due to the movement of the boots and positioning, it takes time to memorize the holes to be drilled and each turn, resulting in poor work efficiency. It has drawbacks such as:

This Invention Button 1 was made with attention to these circumstances, and in addition to eliminating the above-mentioned drawbacks of the conventional technology, the drilling pattern can be easily memorized in a short time, and it can be easily corrected on-site. The purpose of the present invention is to provide a drilling device that can drill holes that are suitable for the characteristics of the rock mass.

In order to achieve this object, the present invention provides the coordinate position of the drilling hole, the drilling length, and the drilling direction based on the Q-turn of a plurality of drilling holes, as shown in the embodiment described below and the accompanying drawings. A storage device 26 that calculates in advance the drilling coordinate position as a numerical value and stores this value corresponding to a plurality of chisel turns, and at least the drilling hole coordinate position, the drilling length, or the drilling direction. The input device 23 (!) is provided so that one input value can be entered manually, and the information stored in the input device 22 is prioritized over the information stored in the storage device 26. At the same time, the drilling/q-turn at location T is selected from a plurality of drilling patterns, and the position to be drilled is determined based on the 4W information from the storage device 26 or the input device 22. .Relating to such a hole drilling device.

With this configuration, it is possible to immediately select the optimal drilling pattern while on site, and this can also be easily corrected on site if necessary.
It is possible to drill holes that match the characteristics of the rock.

Moreover, in this case, the drilling and ξ turns should be done in advance.
It is easy to give numerical values.

Next, embodiments of the present invention will be described using the drawings.

FIG. 4 is a block diagram of the main control portions of a drilling device which is an embodiment of the present invention.

In the figure, 20 main control parts of the drilling apparatus are comprised of a control device 21, an input device 22, a memory device 26, and an operating mechanism 24.

Here, the actuating mechanism 24 is configured such that the drilling machine 6 in the drilling device 5 shown in FIG.
Each positioning mechanism sets the coordinate position of the direction coordinate (horizontal direction) and the Y direction layer (slip (vertical direction)), and each positioning mechanism for the drilling length (Z direction) and drilling angle (θ direction). A plurality of them are provided corresponding to each of the above.

However, since each of these actuation mechanisms operates in the same way in principle, here, one actuation mechanism consisting of one cylinder device 66, a position detector (rotation encoder 32) for this, and an actuation circuit for this will be explained. 24
A detailed explanation of these will be opened by explaining this with Representative 1-.

Here, for example, the moving position of the thinning machine 6 in FIG. A configuration is adopted in which constant detection is performed by an encoder (detector).The bottle portion of the movable part is tapered to minimize rattling at the 11-minute joint.

By the way, the back of the corner of the movable part is detected as its rotation angle by the rotary encoder. This rotation angle is arithmetic-processed using the length of the boom and the like as parameters, as necessary, and converted into coordinate position information. In this case, there is no problem in directly handling the rotation angle detected by the low-resolution encoder of each part as coordinate information and storing it.

This actuation mechanism 24 is one example of a boom 64 (or truck).
It consists of a cylinder device 66 attached to K, a detector attached to a rotary movable part, here a rotary encoder 62, and a device for operating it,
A difference signal between the target information sent from the storage device 26 or the control device 21 and information indicating the current position obtained from the cylinder device 66 is generated, and the cylinder device 66 is operated until this difference signal is generated. Then, the device is moved seven times to the given target position.

The specific configuration of this operating mechanism 24 includes a comparator 25.
- Consists of an S-lube drive circuit 26, a hydraulic power source 27 (however, this hydraulic power source 27il-i is common to each operating mechanism), a hydraulic solenoid valve 28, and a numerical converter 29.
The cylinder device 66 is provided with an actuating device for operating the cylinder device 66.

Here, when the 7 cylinder device 66 is activated, the boom 64
The rotating arm of (this may be a trolley) rotates, and this 1. Accordingly, the shaft engaged with the shaft of the movable portion 34a rotates, and an output corresponding to the amount of rotation is obtained from the rotary encoder 62. In this case, the rotary encoder 62 may be directly engaged with the piston rod 31 to detect the amount of movement thereof.

Here, the storage device 26 stores coordinate positions in the X direction and Y direction,
The drill hole length (Z) and drill hole angle (θ) are stored as digitized numerical values in a predetermined location in correspondence with the drill hole number in one unit. Moreover, such a drill hole number sequence is stored with specific address areas allocated to each drill hole number sequence corresponding to the drill hole number turn.

In addition, the input device is the coordinate position in the X direction and the Y direction.

It is equipped with keys for numerically inputting the drilling length and drilling angle, respectively, and these can be input selectively. These input numerical values are sent to the control device 21, and under this control, a predetermined actuation mechanism 24 corresponding to the input signal is
When the power is sent, it becomes.

Furthermore, the numerical converter 28 here plays the role of converting the code signal from the rotary encoder into numerical information indicating its @ position, for example, BCD.

Next, the overall operation of the drilling device having such a configuration will be explained.

As the drilling chisel turns to be stored in the storage device 26, some standard drilling chisel turns are selected from among the drilling chisels known through experience or experiments, depending on the characteristics of the excavated rock. Coordinates, drilling length, and drilling direction are calculated.

Here, the drilling pattern includes the spatially arranged chisel turn itself for the hole to be drilled and the order of the holes to be drilled, as shown in the front view of the tunnel face shown in Figure 1. It is something.

Therefore, each hole is numbered 4=J according to the order of drilling, and the storage device 23 has X's calculated in advance corresponding to the chisel turns and numbers.

It memorizes the Y position coordinate, drilling length, and drilling blind spot.

First, the drilling device is centered based on the i/-the beam, etc., and drilled seven times against the face surface.

When a hole/turn is specified from the input device 22,
When the control device 21 receives this signal, the storage area of the storage device 26 corresponding to the nomiturn is accessed. Here, the control device 21 first reads the stored information of drilling hole number 1, and calculates its X direction coordinate value (X), Y direction coordinate value (Y), drilling length (Z), drilling blind spot ( θ) respectively,
These are sent to the comparators 25 of the operating mechanisms 24 corresponding to these,
Generates a positioning command signal.

On the other hand, the signal value (current value) from the rotary encoder 62 is converted into numerical information and supplied to each comparator 25vca, and the information obtained from the storage device 26 and this 1
．． When they match, the cylinder device 63 is actuated, and when they match, the comparator 25 sends a match signal to the control device 21.

When this coincidence signal is sent from each actuating mechanism 24 corresponding to the X direction, Y direction, and drilling blind spot, it means that positioning is completed VC, and the control device 21 starts the drilling operation and sets the drilling length to a predetermined length. Holes will be drilled until .

When the drilling is completed in this way, the control device 2
1 stores the second (next) storage information in the storage device 26.
, and similar drilling operations are carried out in sequence according to a predetermined pattern.

Here, when it becomes necessary to change the X direction, Y direction, drilling length, drilling blind spot, or hole number, the VC uses the input device 22
Enter the corresponding correction information using numerical values. This human power information # is sent to the control device 21, and the control device 21
The information sent from the storage device 23 is not sent to the comparator 25, but this input information is preferentially transferred to the comparator 25.

Therefore, the operating mechanism 24 performs a positioning operation and a drilling operation according to the input information.

As explained in detail in Section 2, the number indicating the drilling order can be made to match the address of the memory in the storage device, or the number can be specially written. It is also possible to memorize only the drilling coordinates (X direction, Y direction) and set the drilling length and drilling blind spot at the site.

As described above, in the present invention, at least one of the drilling coordinate positions, the drilling length, and the drilling direction can be adjusted according to the plurality of drilling chisels. , as a numerical value, and a memory device 6 that stores this value corresponding to a plurality of chisel turns, and at least one of the drilling coordinate position, drilling length, or drilling direction. The input device is equipped with an input device that can input one item directly in several f times, and the above-mentioned t gives priority to the information input from the previous input device over the information stored in the device, and also inputs multiple inputs. A predetermined drilling chisel is selected from the drilling pattern and the position to be drilled is determined based on information from the storage device or the input device, so the optimal drilling chisel can be immediately determined. “It can be obtained in a variety of ways, and can be adapted to the situation on the ground.”
C It can be easily changed by inputting numerical values.

As a result, accurate and efficient drilling that matches the rock characteristics at the site can be performed automatically.

[Brief explanation of the drawing]

Fig. 1 is a front view of the tunnel face in the conventional ζ-n cut method, Fig. 2 is its longitudinal cross-sectional view, Fig. 3 is a working diagram of a conventional hydraulic drilling device, and Fig. 4 is: 1 is a block diagram of main control parts of a drilling device that is an embodiment of the present invention. FIG. 20... Main control part of the drilling device 21... Control device 22... Input device 26.
...Storage device 24...Operating mechanism 25...Comparator 26...Nζ-lube drive circuit 27...
Hydraulic source 2B... Hydraulic electromagnetic nozzle 29 ・
Numerical converter 66...Cylinder device Patent applicant Sokujin of Furukawa Mining Co., Ltd. Patent attorney Tetsuya Kumo Patent attorney Yoshiaki Naito Patent attorney Shimizu Kajiyama Takeru Figure 1 Figure 2

Claims (1)

[Claims] In accordance with multiple drilling patterns, at least the drilling coordinate position, drilling length, and drilling direction are calculated in advance as numerical values, and this value is calculated in accordance with the plurality of nometers. a storage device storing the information, and an input device capable of inputting at least one of the drilling coordinate position, the drilling length, or the drilling direction as a numerical value; (C1
Drilling characterized in that a predetermined drilling q-turn is selected from a plurality of drilling [ξ] turns and the position to be drilled is determined based on information from the storage device or the input device. hole device.