JPS5924095A - Rod changer control apparatus of drilling machine - 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 rod changer control device for a drilling machine such as a crawler drill.

5. Drilling for blasting in mountain expansion and general civil engineering work is carried out using a drilling machine such as the crawler drill shown in FIG.

In this crawler drill, a guide cell 3 is rotatably provided at the other end of a boom 2 whose base end is pivotally supported by a main body 1. A chain 5 driven by a hydraulic motor 4 is wound around the guide cell 3 along its longitudinal direction, and a drifter 6 is moved on the guide cell 3 by the chain 5. .

The drifter 6 is connected to a hydraulic motor (not shown)'fc,
Drilling rods 8 and 9 are connected to the rotating shank lock 7 of the nuclear motor (see Figure 2).
. Further, a male thread 10 and a female thread (sleeve) 11 are provided at the tip and rear end of each drilling rod, respectively, and a bit 12 is provided at the tip of the foremost drilling rod 9.

The crawler drill forms a hole I in the ground G by rotating the drift owl and moving it forward on the guide cell 3.

This type of crawler drill is equipped with a central line 13, a sleeve chuck 14,) 1 drill bits f 15 a and 15 b for replenishing and recovering the drilling lot 9.
etc. are provided with rods.

Refer to and explain. In Fig. 3, the °C1 Centralipe J3 is placed in the "open" state when the rod is pulled out and in the "neutral" state during drilling work due to the hydraulic sealing (not shown).
When attaching and detaching the rffffrad to the river, it is in the "'closed" state.
L-zo'n was rang, and I]. 'Still, sleeve chuck
``Open'' or close'' by hydraulic pressure/cylinder (not shown)
The sleeve of the drilling rod is driven to open or lock in place.

As shown in FIG. 4, the handgrips 15a and 15b are the magazine j6 that accommodates all of the several drilling rods arranged in parallel on the side of the guide cell 3 when adding lot 0.
The drilling rod is conveyed from the guide cell 3 to the position of the drilling center O on the guide cell 3, and when the rod is recovered, the drilling rod at the position of the drilling center O is transported to the magazine 16. The rod for the hole has several layers which are transferred by full rotation.

That is,...Ndguri: 7' 15 a and 15
b has cranks 7' 17a and 17b'i and these Franz 01
7a and 17b are driven to the ``open'', ``neutral'', and ``closed'' states, and are also rotated clockwise (clockwise) and left (counterclockwise) about the rotating shaft 18. The flangs 17a and 17b are open when turned counterclockwise when adding a rod and when turned clockwise when recovering a rod. It is in the "neutral" state, clockwise when adding rods, counterclockwise when withdrawing rods, shank threading, and "closed/closed" state for thread cutting.

Such a rod chain sawer, opening and closing the central line 13, sleeve chuck 14, and grips 15a and 15b in a double series, - grip 15a.
The operation is complicated as the rotation of the rod 15b and the rotation of the rod 15b must be operated, and furthermore, the order of operations is different when adding rods and when recovering rods, so it requires considerable skill to fully utilize the rod.

In addition, since there are many external disturbances such as rod deflection, screw loosening, etc., automatic operation has not been developed at present.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a complete rod changer control device for a drilling machine that facilitates rod changer operation.

According to this invention, in addition to replacing the conventional rod 9 chain chain (actuator) operation lever operation button group, these operation button groups are arranged on the operation panel, and the operation button group is used during rod addition and rod recovery. An operation/turn diagram for teaching the operation order is drawn on the operation panel, and a first diagram indicating the current operation time is drawn along with each operation button.
The rod changer operation is facilitated by providing an indicator and a second indicator showing the current status of each actuator.

The present invention will now be described in detail with reference to the accompanying drawings.

FIG. 5 is a plan view showing the operation panel of the rod engine control device according to the present invention. On this control panel, there are centralizer ``open #getan SSI, centralizer 1 neutral'' button S52, and centralizer close'' button S!13.
, sleeve chuck "open" button S41, sleeve chuck ° "close" button S42, handgrip "neutral" button S31, handgrip "neutral" button S32, handgrip close" button Sss, hand rotation button (
clockwise) S2I.

Hand rotation buttons (counterclockwise rotation) s22 are arranged for each actuator. These operation buttons S 51 ” 62 m have ” on their key tops.
= Green indicator lamp LSII in half” L221 is,
Yellow indicator lamps LSII to L222 are provided in the lower half. Furthermore, there is a clear button on the control panel.
, "Open dust hood" button S61, "Close dust hood" 2
278g2 and grease injection button s1 are arranged, and the key top of buttons S8+sS+12 and sl has a white indicator lamp IJ8IO% Ijl! 20 and Ll are provided.

In addition, on this operation panel, there is an operation/♀turn diagram that teaches the order of operation of the operation bit groups SSI to S22 for rod addition and rod recovery.The operation order of rod addition is taught by mesh arrows. However, the order of operations for rod recovery is taught by diagonal arrows. In addition,
Follow the white arrows only for the first operation to retrieve the rod. Furthermore, in the middle of the above arrow, there are operations for the noid lever that operates the forward and backward movement of the trimmer (drifter forward, 10 lifter backward), and the operation of the low chita lever that operates the forward and reverse rotation of the drifter (screw tightening, screw connection, screw Ill D).
), the operation of the invactor leper of 7't &'r to loosen the screws is displayed in text. Still, each operation button 85
A schematic diagram showing how each actuator is operated by S1'' to S2□ is also drawn.

Next, the order of work when adding rods and the contents of each work will be explained.

In this case, as described above, the buttons are operated along the mesh arrows on the operation panel. Table 1 shows the work contents for each work order and the operation contents of each actuator.

Hereinafter, rod addition will be explained according to the work order shown in Table 1. In addition, before starting the addition,... the grip is "closed", the hand rotation is on the left, the sleeve chuck is "open", and the central rail is in the middle.
'', each with a green indicator lamp Tts2
+, L411, L331 and L221 are lit.

(1) After applying the bit to Taisei, move the drifter about 5~
Back around 10:00, operate the invactor leper (r not shown) and send out the Yank rod several times. This operation loosens the sleeve.

(2) After the sleeve is loosened, close the sleeve cover and hold the sleeve.As a result, the indicator lamp L40 goes out and the indicator lamps L421 and L422 light up.

(3) Low-chip saucer - 2-'L-' While operating it to the "reverse" side, slowly move the trimmer back and remove the threaded connection between the shank, door and sleeve.

(4) Once the threaded connection is removed, apply grease to the threaded surface of the shank rod by pressing the grease injection button SL't.
Then move the V-lifter fully backwards.

(5) Press the "Grip Close" button 83sk4 to grab the rod stored in the magazon. As a result, the indicator lamp L422 goes out and the indicator lug L332 lights up. (6) Hand rotation dε button (right 9) Fit S2I'
And Ron 1? Take it to the center of Wosyankrond.

As a result, the display lamps L221 and L22 are turned off, and the display lamps L211 and L2□2 are turned on.

(7) While slowly rotating the shank rod, slowly advance the drifter and tighten the sleeve.

(8) Hand grits “neutral”? Press button 3□ to hold the rod. As a result, indicator lamps L212 and L331 go out, and indicator lamp L32
1 and L 32m are lit.

(9) Slowly rotate the yank rod (additional rod) and slowly move the drifter forward to join the threads between the rods.

αQ Handgrip lug open'' Press S, s to turn off the lights L321 and L322, display lug L31
1 and L3□2 go out.

(II) Open the sleeve jack (54te)
Take a look at the sleeve. As a result, the display lamp L35. and O'L+2+ go out, and display lug L4
11 and L412 are lit.

(J-bu hand turn, press 82 □ for 1 yen" hitan (counterclockwise rotation) to dispose 5 beams to hemlock 2 f 1 rule. As a result, display lugs L412 and L7 □ 11 go out,
Display lights L221 and L222 light up.

+Ii Drill the hole while moving the trimmer forward.

(] Φ Close the hand grip and store it in the magazon, grab the wood and prepare for the next rod addition. As a result, the display lamps 'L222 and L311 go out, and the display lamps 'L331 and Turn on LaB5.

The above operations complete the addition of one rod.

Next, the order of work and the contents of each work at the time of rod recovery will be explained.

In this case, the button operations are performed along the diagonal arrows on the operation board, as described above. Note that only the first operation for recovering the rod from the first main port is performed according to the white arrow.

Table 2 shows the work contents for each working order and the operation contents of each actuator.

/ Rod recovery will be explained below according to the work order shown in Table 2. In addition, as is clear from Table 1, the condition of each actuator before the start of lot recovery is rod A.
It's the same as before the start.

(1) Same operation as (1) when adding rondo.

(2) After the sleeve loosens, open the Centralipe 6''
? Press tongue S53 and grab the rod. As a result, the indicator lamp L 321 goes out, and the green indicator lamp L, 31
And the direct color display lamp L532 lights up.

(:)) Operate the low puller to the ``normal rotation'' side and retighten the threaded part loosened by operation (1).This will ensure the threaded connection and prevent the rod from falling during the next operation. Do it as soon as possible.

(4) Central Ripe 6 Open''?Press the button S51 to open the rod.This will cause the displayed run to be 76r-'
531 and L%32 go out, and the display lights 511 and L51! lights up.

(5) Move the drifter back about 3 centimeters to a position where the lower sleeve rests on the centralizer.

(6) Centralizer "6 closed" Hotan 5s3ffi
Press to close the Centralipe and secure the rod. As a result, the display lamp L51! Shiyobi Lg12 goes out,
Indicator lamp L5,1 and 1. lights up.

(7) Press the sleeve chuck "close" button Se2 to open the sleeve tM. Due to my ingenuity, display lamp L 53
2 and L411 go out, and display runs fL4□1 and L422 turn on.

(8) Press the handgrip set button S31 to open the handgrip 0. As a result, the display lamps L422 and L331 go out, and the display lamp L311 turns off.
and LaI3 lights up.

(9) ・Press S21 to move the pad and sleeve onto the guide cell to grab them.

(1) Press the "neutral" button 5szt to hold the rod. As a result, the indicator lamps L212 and LaI3 go out, and the indicator lamp L32
1 and L322 light up O ao Slowly move the drifter back, rotate the rod, and completely disconnect the lower 1Tlll sleeve and rod °.

0 Wharf] ・ Tan Gritch 0 ゛ 'closed ″ D? Tan S33 is ′ ′ タ タ し し り り り り り り り り り り り り り。 り り り り
1 Ikiyo and L332 light up.

Rotate the shank rod while slowly retreating the θ11 rift to separate the upper sleeve from the shank rod.

0Φ No. Rotate button (counterclockwise) S2z' to store the rod in the magazine. As a result, the display lamps L332 and L211 go out, and the display lamp L
2□1$- and L2!2 light up.

α→ Move the drifter forward at a position slightly behind the sleeve chuck.

αQ Sleeve chuck open” button S41 is pressed and 11
φJ Release the sleeve. As a result, display lamps Lz2m and L4□1 go out (7, display lamp L41
1 and L412 light up. α force Move the drifter forward and screw it into the shank rod sleeve.

(1 barrel Central Live Open" button S sl'l:
4 times and release the rod for the entire 14'ri. As a result, the display rungs L, II2 and L531 turn on, and the display rungs L511 and L5!2 turn on.

Thereafter, repeat the operations (5) to (1→) to process the remaining rods once.

In this way, by pressing the operation buttons according to the operation/P-turn diagram drawn on the operation panel, you can add and recover rods, so there is no need to make a mistake in going to operation 1) l. , and even when the operation is temporarily interrupted due to disturbances such as rod deflection or screw loosening,
The current operating point can be recognized by the yellow indicator lamp (display lamp 0 in the lower half of the key sono), and the current status of each actuator can be recognized by the green indicator lamp f (key yf).
Since it can be recognized and identified by the display run f) in the upper half of the screen, it is possible to easily respond to disturbances and perform operations after removing the disturbances.

In addition, clear button S. Pressing turns off all lit button switch lamps. 14. It is used to turn off a lamp that has been turned on due to an erroneous operation. When you press the dust hood "1 river # button 861,
Display lamp 'L810 lights up and the dust hood opens.

This is used to check from the driver's seat whether the bit is hitting the rock, etc. Dust hood closed "γ Zotan 5"
When you press 6zk, the display lamp "L620" lights up and the dust hood closes.

FIG. 6 is a circuit diagram showing an embodiment of the control device according to the present invention. This circuit sends an electric signal to each actuator when the sp methane switch is turned on, and as mentioned above, lights up the two indicator lamps of green and yellow on the key horn of the operated button, and indicates the actuator to which the operated button belongs. The green indicator lamp indicating other states and the yellow indicator lamp that was lit based on the previous operation are all turned off.

Note that when the grease injection button S1 is turned on,
Turn on the specified time display rung L+f, open the dust hood #detan S6t, and close the dust hood button S62
If either one of them is inserted, the newly immersed H? Only the display rung corresponding to the button is lit.

This time h'6, 12 self-recovering type butane switches S21 \"' % Sol % S22%°°j
62s S33% S53, internal connection terminals Q-C to which DC power supply V (24V) is supplied by turning on these butane switches, and 1. Green display Runno°L2
11-, -L11th, L221-L521, L331
% L531, yellow display lap L212~L512
XL22! ~L52! \L332y L592 and white display lap L+, L, 6101 L620, total 2
Three display lamps, a lighting circuit Xs-X20 for turning on (or extinguishing) these display lamps, and external connection terminals C1 to C6, C9 to (+s, etc.) for sending electrical signals to each actuator. It is made up of grooves.

When the grease injection button S1e of the lighting circuit X+ is pressed, the external connection terminal C for automatic lubrication! Line L7 from DC power supply to
,s? Current flows through methane xffi and current flows through display lap 0L 11 timer relay T, contact T1 and relay R1 to ground level line t8. As a result, the display rank OLl lights up, and the contact lζ1 is turned on by the relay R. When the predetermined time required for automatic lubrication has elapsed after the button Sl is pressed, the contact T1 is turned off by the timer relay Tl, and at the same time, the contact R1 is also turned off. As a result, the display lap L is turned off.

Hand rotation button (clockwise) s2171il-Press
Electrical power is supplied from the DC source V to the internal connection terminal (2) via the buttons So, S51% Ssz and SS3. The power supplied to this internal connection terminal (2) is applied to the lighting circuit Xz and is applied to the relay R32.

When DC power is applied to the lighting circuit X2 from the internal connection terminal ■, it conducts the power sound to the external connection terminal C2 for hand rotation (clockwise rotation), energizes the relay Rzk via the diode Dzsk, and also energizes the capacitor C2'. c Charge.

As a result, contact R2 turns on, and yellow indicator lamp L2
,! lights up. When the hand rotates clockwise to the predetermined position device, I'it+ L, sj When the pressure on the methane 21 is released, the relay R2 is energized via the line t6, the diode D1, and the contact R2, so the display lap L212 remains lit.

In addition, core f7 C2, r 2? ; I. The contact point R2 is provided so that it is stably held in the on state (7p) even immediately after the button S2 is released from being pressed.

Well, when relay R82 is turned on, contact R82 of lighting circuit X+9 turns on, relay 1N+9 is energized, and combiner CI9 is charged. As a result, the contact R19 turns on, and the green display lap L2tt lights up. Also, in the same way as above, pressing the button S2+ is II+'
If you remove 6, relay R19 is on line t5, Daikan-
Since the signal D+9 is activated via the contact 1 and 18, the indicator lamp L21+ continues to light up.

Here, y Tan S21 z Sol and S6! When any other button is pressed, DC power is no longer supplied to line L6 and relay R is deenergized, so indicator lamp L212 is turned off. Further, when the tongue (left rotation υ) S22 is pressed during arm rotation 1, the relay R89 is energized and its b contact R89 is turned off. Therefore, since DC power is not supplied to line t and relay R19 is deenergized, display lamp L211 is also turned off together with the display lamp 'L2+2.

In addition, lighting circuits X3, X4, X7, X9, X1o1X1
1% X6 and X,3 are the same as the aforementioned lighting circuit X2, and the lighting circuits X14, X15,
X+7, XIR and X111 are the above-mentioned lighting circuit xi
Since it is the same as s, detailed explanation thereof will be omitted.

When you press the "centralizer open" button Ss+, the DC type tp
, v are supplied with power to the internal connection terminal ■ via the button So. The power supplied to this internal connection terminal is
In addition to the lighting circuit X5, 11. Ru.

When DC power is applied to the lighting circuit X5 from the internal connection terminal ■, it guides the power to the external connection terminal C5 for opening the centralizer, energizes the relay R5 via the diode D26, and also energizes the capacitor C! I is charged, and the relay ago is energized via the diode D2g and Dzy.This turns on the contacts R5 and +(5o), and the yellow display lamp L512 and the green display lamp L, When the centralizer is opened and the suppression of 1F tongue Ss+ is released, relay R6
0[L512 and L511 are energized through line t6, diode D4 and contact R1', and relay R5, is energized through line t2, diode D5 and contact Rsok, so that the display runs: 'L512 and L511 continue to Light.

Here, button S! +1 When any button other than S61 and S61 is pressed, DC' is applied to line t6.
As the source power is no longer supplied and relay R5 is deenergized, the display run "L612" goes out. Also, the centralizer 9 "neutral" s?tan Ssz or the centralizer power 1 "0"?kun When S53 is pressed, DC power is no longer supplied to the line t2 and the relay Rso is deenergized, so that the VC display lamp 'L6+1 is also turned off together with the display lamp T-1612.

In this way, when a new K button is pressed in conjunction with the operation of the pump U + got changer of fctI, the light goes out, and the green indicator lamp goes out when the same actuator moves to another state.

Note that the lighting circuits X8 and X14 are the lighting circuits X described above.
5, detailed explanation thereof will be omitted.

Fig. 7 shows an example of the hydraulic system diagram of each actuator of the rod chain soya.
5 and ]・Cylinder CYl for hand rotation, cylinder CY for opening and closing the hand grip 2 lL% Cy2b % Cylinder CY3 for opening and closing the sleeve chuck, cylinder CY4 for opening and closing the central line, cylinder cY for opening and closing the dust hood
5 and a hydraulic pump P.

External connection terminals C9 and C2 for rotating the hand shown in FIG. 2a and 5OL2b, and external connection terminals C11 and C4 for opening and closing the sleeve chuck are connected to solenoids 5QIsa and 5O of solenoid valve v3, respectively.
External connection terminals CI2 and C5 for opening and closing the central line are connected to solenoids 5OL4a and 5OL4b of electric and magnetic plates I'V4, respectively, and external connection terminals CI3 and C6 for opening and closing the dust foot are connected to the IU FI connection, respectively. Valve v5 solenoid S OL6 a
and connected to SOL 5 b.

Then, when DC power is supplied to the external connection terminal C8 for hand rotation (counterclockwise rotation) in accordance with the suppression of the hand rotation button (counterclockwise rotation) S21, the solenoid 5OLBa of the solenoid valve V is activated. is activated at tI, solenoid valve V1 is switched to position l. As a result, hydraulic pump P2Q・Ragame1
Pressure oil is supplied to the oil chamber cylb of the cylinder CY1 for rotation of the cylinder CY1 through the cylinder L1.

In addition, when the +A'b ton source is supplied to the external connection terminal 02 of the ..nd rotation (clockwise) river, . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 sen, IP
The solenoid S and 0LIb of V 1 are closed one inch, and the solenoid valve V 1 is switched from position II to position II. As a result, the hydraulic engine fp force 1 is passed through the 'torque 1ia*V+'.
C... Printer CY1 for hand rotation? Inner room CY 1a
Pressure oil is applied to the piston rod 9, and the piston rod 9 is compressed to rotate the nozzle clockwise.

Note that even when DC power is supplied to other external connection terminals, the corresponding cylinders are fully extended and retracted to operate each actuator in the same manner as described above.

In addition, in this example, there is a hole for drilling between the centralizer, sleeve chuck, magazine, and rod attachment/detachment section.
Although the non-n)° grip used for the stage-feeding is a rod actuator, the device of the present invention can also be applied to a rod actuator consisting of a rod actuator. Further, in this embodiment, the display lamp indicating the current operation point and the display lamp indicating the current state H1f of each actuator are placed in the lower half and upper half of each operation sf methane key top, but the present invention is not limited to this, for example. It may be placed near each operation button.

As described above, according to the present invention, when operating the rod changer when adding and recovering rods, the entire rod change operation can be performed by sequentially operating the operation buttons while being instructed by the pattern displayed on the operation panel. This facilitates the operation of the lot changer and eliminates the risk of erroneous operation.

In addition, since the progress of sequential operations and the status of each actuator can be grasped on the display, it is possible to further prevent erroneous operations, and even if disturbances or malfunctions occur during operation or after-effects, they can be immediately detected. One disappointing effect is that it allows us to take action.

[Brief explanation of the drawing]

Fig. 1 is a schematic side view of a drilling machine embodying the present invention, Fig. 2 is a diagram showing the opening of the drilling rod and the screwing mode between the drilling rod and the shank rod of the drifter, and Fig. FIG. 4 is a front view of the grip used to explain the clip hand, and FIG. 5 is a side view showing the main parts of a drilling machine embodying the present invention. FIG. A plan view showing an embodiment of the part, No. 6
The figure is a circuit diagram showing an embodiment of the rod changer control if according to the present invention, and FIG. 7 is a hydraulic system diagram of each actuator of the rod changer. 3... Guide cell, 4... Hydraulic motor, 5... Chain, 6... Drifter, 7... Shank rod, 8
, 9... Drilling rod, 12... Bit, 13...
Centralizer, 14... Sleeve chuck, 15a,
15b...Hand grill lug, 16...Magazine, So
・・Clear button, SL・・Grease injection button, 8
21...N/N rotation button (clockwise), S22...
Hand grip ``Open'' button, S32...Hand grip 1 neutral'' button, S33...Hand grip f''Close'' button, S41...Sleeve chuck open "Button, 84□...
・Sleeve chuck "close" Z button, S51...Centralizer 1 button, SL+2...Centralizer 1 neutral" Setan, SS3...Centralizer 1 neutral"
Setan, S6! ...Dust hood open button, S s
2"'Dust hood close' button, L2112L51
1% L2! I'-LS21AL331%L
S 31'''green indicator lamp (L2+2 LaI3
, L222~L, 23, L33□, L, 32...
Yellow indicator lamp, Ll, Ij 810 XL 62G
...White indicator lamp.

Claims (4)

[Claims] (1) Each actuator of the rod changer is operated in the rod changer control device of the drilling machine that replenishes and retrieves drilling rods between the magazine that stores several drilling lots 9 and the drilling rod attachment/removal section. an operation pattern diagram for teaching the operation order of the operation row 227 group for rod addition and rod recovery, and a first indicator arranged for each operation bit and indicating the current operation point by lighting. A rod changer control for a drilling machine, characterized in that a second display is arranged for each of the operation buttons and lights up to indicate the current status of each actuator, which are arranged on one operation panel. Device. (2) Each of the actuators includes a centralizer that fixes the drilling rod on the guide cell, a sleep chuck that fixes the sleeve of the drilling rod, and a sleep chuck that transports the drilling rod between the magazine and the rod attachment/detachment section. A rod changer control device for a drilling machine according to claim 1, which is a Ndo Grizzo. (3) The g1 and second indicators are respectively disposed on the keypad 76 of each operation button.
A rod changer control device for a drilling machine as described in Section 1. (4) The rod changer control device for a drilling machine according to claim 1, wherein each of the operation buttons has a display indicating which actuator is to be operated and how.