JP2745299B2 - Drilling / sheath pipe insertion device and drilling device equipped with the 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 method for drilling pits, rocks, boulders and the like at the bottom of a caisson working room, inserting pods into the holes, inserting dynamite into the pods, and blasting. The present invention relates to a drilling / sheath pipe insertion device for setting and a drilling device provided with the device.

[0002]

2. Description of the Related Art For example, when laying a caisson using blasting, conventionally, a hole is drilled using a rock drill on hand, and pods are inserted into the hole to prevent intrusion of earth and sand into the hole, When the drilling is completed, pods are used to insert dynamite.

[0003] Further, only a rock drill is attached to the tip of the excavator, and the drill and the rock drill are remotely operated to drill a hole.
It is also conceivable that a worker inserts a sheath and inserts dynamite into it.

[0004]

However, in the prior art, there is a problem in that the hole drilled by the rock drill is lost, for example, the hole is filled with earth and sand, or immersed in water and cannot be seen.

[0005] In addition, when a caisson at a large depth is blasted and settled, a conventional drilling method using a rock drill on hand, inserting a sheath, and inserting a medicament requires a long working time as the caisson sinks deeply. There is a problem that must be shortened,
There were problems such as adverse effects on the human body due to mechanical vibration.

On the other hand, in the prior art in which an excavator and a rock drill attached to the tip of the excavator are drilled by remote control and an operator inserts a sheath into the hole, the vibration is applied to the human body by mechanical vibration. Although the problem of adverse effects is solved, in the case of a deep caisson, as the caisson sinks deeply, the work time for inserting the sheath into the hole must be shortened, and at least the work efficiency is poor. Could not be resolved.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to cut ground, rocks, boulders and the like at the bottom of a caisson working room with a single device. Drill, and immediately insert the sheath into the hole accurately,
In addition, when applied to the blasting of the ground at the bottom of the caisson's working room, even in work conditions where the working room is submerged, drilling holes and sheaths that can accurately insert pods into bored holes An object of the present invention is to provide a tube insertion device.

Another object of the present invention is to provide a drilling device which can efficiently and safely perform the drilling and sheath insertion work, even when applied to the installation of a caisson at a large depth. It is in.

Another object of the present invention is to form a hole in the bottom of the work chamber and insert a sheath tube into the hole even when applied to a caisson having a large area. An object of the present invention is to provide a drilling rig.

Another object of the present invention is to provide an excavator capable of reducing the size of the device and preventing a malfunction in a sequential operation.

It is another object of the present invention to provide an excavator capable of more smoothly switching from the drilling operation to the sheathing operation and from the sheathing operation to the drilling operation.

Still another object of the present invention is to provide an excavator capable of precisely controlling a movable portion of the device by remote control.

Another object of the present invention is to provide an excavator capable of performing the drilling operation more efficiently.

[0014]

In order to achieve the above object, according to the present invention, a pod tube stocking device 34 having a pod tube feeding mechanism 39 is provided at the tip of the arm or boom of the excavator 12 and a movable cutting machine. A hole device 55 and a movable sheath tube insertion device 65 are provided, and the hole drilling device 55 is moved to a position a which is a hole drilling operation position and a sheath tube insertion operation position.
Moving operation means for moving to the standby position b, a position c for receiving the sheath tube 64 from the sheath tube feeding device 39 for the sheath tube insertion device 65, and a sheath tube insertion work position which is the hole drilling work position. And a moving operation means for moving to a position a.

In order to achieve the above object, according to the present invention, a traveling rail 11 is mounted on the ceiling slab 3 of the caisson 1 in the work room, a traveling body 13 is mounted on the traveling rail 11, and a revolving body mounted on the traveling body 13 is provided. 15 and this revolving body 1
A boom 17 movably mounted on the arm 5 and an arm 20 swingably connected to a tip end of the boom 17;
The excavator 12 having the attitude control mechanism 24 is suspended, and a drilling / sheath pipe insertion device 30 is attached between the tip end of the arm 20 of the excavator 12 and the attitude control mechanism 24. The tube insertion device 30 is connected to the sheath tube delivery mechanism 3.
9, a pod tube stocking device 24, a movable boring device 55, a movable pod tube inserting device 65, and a position a where the boring device 55 is a drilling work position and a sheath tube inserting position. Moving operation means for moving to a standby position b;
A moving operation means for moving the sheath tube insertion device 65 to a position c for receiving the sheath tube 64 from the sheath tube feeding mechanism 39 and a position a which is the drilling operation position and the sheath insertion position is provided. doing.

In order to achieve the above object, according to the present invention, a traveling rail 11 is mounted on the ceiling slab 3 of the caisson 1 in the work room, a traveling body 13 is mounted on the traveling rail 11, and a revolving body mounted on the traveling body 13 is provided. 15 and this revolving body 1
5, a fixed boom 94 slidably mounted on the fixed boom 94, a slide boom 95 slidably mounted on the fixed boom 94, a slide operating means 98 for the slide boom, and a tip end of the slide boom 95. The excavator 12 provided with the attitude control mechanism 105 is suspended, and the drilling / sheath pipe insertion device 30 is attached to the tip of the slide boom 95 of the excavator 12 and the attitude control mechanism 105. The sheath tube insertion device 30 includes a sheath tube stock device 34 having a sheath tube delivery mechanism 39, a movable drilling device 55, and a movable sheath tube insertion device 6.
5, a moving operation means for moving the drilling device 55 to a position a, which is a drilling operation position and a sheath insertion position, and a standby position b, and a sheath insertion device 65 by moving the sheath tube feeding mechanism 39. There is provided a moving operation means for moving to a position "c" for receiving the blank sheath tube 64 and a position "a" for the drilling operation position and the sheath insertion operation position.

In order to achieve the above object, according to the present invention, there is provided a moving operation means for moving the drilling device 55 to a position a which is a drilling operation position and a sheath insertion position, and a standby position b. The moving operation means for moving the sheath tube insertion device 65 between the position c for receiving the sheath tube 64 from the sheath tube feeding mechanism 39 and the position a, which is the drilling operation position and the sheath insertion position, is a single operation. The moving operation means 75 is used.

In order to achieve the above object, according to the present invention, the arm 20 or the slide boom 9 of the excavator 12 is provided.
A reversing device 112 is mounted over the distal end portion 5 and the attitude control mechanism 105, and the drilling / sheath tube insertion device 30 is mounted via the reversing device 112.

Further, in order to achieve the above object, according to the present invention, at least one of the excavator 12 and the periphery of the caisson 1 in the working chamber 2 is used to photograph the working state of the drilling / sheath pipe insertion device 30. The excavator 12 and the movable parts of the drilling / sheath pipe insertion device 30 are remotely controlled based on information photographed by the television camera outside the work room 2 of the caisson 1. A control device is installed.

[0020]

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

FIGS. 1 to 5 show a first embodiment of the present invention. FIG. 1 is an enlarged plan view of a drilling state at a part of a drilling / sheath pipe insertion device, and FIG. FIG. 3 is a side view of FIG. 2, and FIG. 4 is a view showing a case where a drilling / sheath pipe insertion device is attached to a backhoe-type excavator. 5 is a side view showing a state in which a hole is formed in the ground, and FIG. 5 is a view showing the entire backhoe type excavator, showing a state in which a sheath tube is inserted into the hole after drilling. .

The excavator 1 of the first embodiment shown in these figures.
Numeral 0 is applied to a caisson 1 having a large area, and as shown in FIG. 5, a running yard 11, an excavator 12, a drilling / sheath pipe insertion device 30, a hydraulic unit 80, a water supply facility 81
And a television camera 90 and a control device (not shown). In the drawing, reference numeral 2 denotes a working room in a caisson, 3 denotes a working room ceiling slab, and G denotes a ground at the bottom of the working room.

As shown in FIG. 5, the traveling rail 11 is constituted by a pair of two rails attached to the lower surface of the ceiling slab 3 of the work room at a predetermined interval.

As shown in FIG. 5, the excavator 12 includes a traveling body 13 suspended on the traveling rail 11, a revolving body 15 attached thereto, a boom 17, a boom cylinder 19, and an arm 20. And arm cylinder 23
And a posture control mechanism 24.

The traveling body 13 is movably mounted on the traveling rail 11 via traveling wheels 14, and is driven by a traveling driving device (not shown).

The revolving unit 15 is rotatably mounted on the lower part of the traveling unit 13 via a revolving bearing 16 and is driven by a revolving drive device (not shown) including a rotary drive source.

The boom 17 is attached to the revolving unit 15 via pins 18 so as to be able to move up and down, and is operated by a boom cylinder 19 for raising and lowering.

The arm 20 is provided with a cylinder bracket 21 at an upper portion on the base side. Also, arm 2
Numeral 0 is attached to the tip of the boom 17 via a pin 22 so as to be swingable in the vertical direction, and is swingably operated by an arm cylinder 23.

The attitude control mechanism 24 includes an attitude control cylinder 25, a link 27, and a connecting rod 28.
The attitude control cylinder 25 is attached to a cylinder bracket 21 provided on the arm 20 via a pin 26. One end of the link 27 is connected to a piston rod 25 ′ fitted into the attitude control cylinder 25, and the other end is connected to the arm 20 via a pin 29. One end of the connecting rod 28 is connected to the piston rod 25 ', and a drilling / sheath pipe insertion device 30 is attached to the other end.

The drilling / sheath pipe insertion device 30 is shown in FIGS.
As shown in an enlarged manner in FIG. 3, a sheath tube stocking device 34 having a main bracket 31 and a sheath tube delivery mechanism 39.
Drilling device 55, sheath tube insertion device 65, and moving operation means 75 for drilling device 55 and sheath tube insertion device 65
It is comprised including.

As shown in FIGS. 1 and 2, the main bracket 31 is formed in a substantially inverted 7-shape when viewed from above. As shown in FIGS. 3 to 5, the main bracket 31 is connected to the distal end portion of the arm 20 via a connecting pin 32, and connected to the connecting rod 28 via a pin 33.

As shown in FIGS. 1 to 3 and 5, the sheath tube stocking device 34 includes a frame 35, a sheath tube feeding mechanism 39, and a number of upper slats 50 for sheath tube stock attached thereto. And a lower retainer 51 for same and tube stock.

As shown in FIGS. 3 and 5, the frame 35 has a vertical beam 36 extending downward from the front end of the main bracket 31 and a vertical beam 36 corresponding to the length of the sheath tube 64 in the vertical direction. And an upper horizontal plate 37 and a lower horizontal plate 38 attached at predetermined intervals.

As shown in FIG. 1 to FIG. 3 and FIG. 5, the sheath tube delivery mechanism 39 includes a rotary drive source 40 installed above the upper horizontal plate 37 and front sides of the upper and lower horizontal plates 37 and 38. A drive shaft 42 which is vertically supported via a bearing 41 and is connected to the rotary drive source 40, and is disposed at a predetermined horizontal interval between the drive shaft 42 and the drive shaft 42. Supported driven shaft 43
And sprocket wheels 44 and 45 attached at predetermined intervals in the vertical direction of the drive shaft 42, and the driven shaft 4
3 and a sprocket wheel 46, 47 attached to the sprocket wheel 44, 45 at a level in the vertical direction, and an upper sprocket wheel 44, 46.
It has an endless chain 48 bridged between them, and an endless chain 49 bridged between lower sprocket wheels 45 and 47. The sheath tube delivery mechanism 39 is configured to deliver the vertically supported sheath tube 64 one by one every time one sheath tube 64 is delivered to the sheath tube insertion device 65 at the sheath tube transfer position.

As shown in FIGS. 1 to 3, the upper slats 50 are attached to the endless chain 48 on the upper part of the sheath tube feed-out mechanism 39 with an interval capable of vertically receiving the sheath tubes 64 one by one. . On the other hand, as shown in FIG.
Is mounted on an endless chain 49 at the lower part of the bracket.

On the front end face of the main bracket 31,
A yoke 52 is attached. This yoke 52
As can be seen from FIGS. 1-3, the sheath tube stocking device 34
An upper plate 53 integrally formed with the upper horizontal plate 37 of the frame 35, and a lower plate 54 attached below the upper plate 53 at a predetermined interval.

The drilling device 55 and the sheath tube insertion device 65
Are provided on a common bracket 53, as shown in FIGS. The bracket 53 is rotatably attached to the yoke 52 via a pin 54.

In this embodiment, a rock drill is used as the drilling device 55. The drilling device 55 includes a guide shell holder 56, a rock drill guide shell 57, and a rock drill body 5 as shown in FIGS.
8, a rod 60, a bit 61, and a swivel joint 62.

The guide shell holder 56 includes a yoke 5
2 is formed integrally with a bracket 53 attached via a pin 54.

The rock drill guide shell 57 is formed of an H-shaped material, and is fixed to a guide shell holder 56.

The rock drill main body 58 includes a guide member 59.
Through the rock drill guide shell 57.
The rock drill main body 58 is provided with a slide drive source (not shown) so that the rock drill main body 58 and members attached thereto can slide along the rock drill guide shell 57. ing.

The rod 60 is rotatably attached to the rock drill main body 58. The bit 61 is provided at the tip of the rod 60.

In this embodiment, a downward drilling hole 63 is formed in the ground G at the bottom of the caisson 1 in the working chamber 2 by the rock drilling machine 55.

The swivel joint 62 is provided on the top of the rock drill body 58. A high-pressure water hose 87 of a water supply facility 81 is connected to the swivel joint 62, and high-pressure water is sent from the inside of the rock drill body 58 to the rod 60 to the bit 61 during drilling. The powder is ejected to discharge the powder from the hole 63.

As shown in FIGS. 1 to 3 and 5, the sheath tube insertion device 65 includes a push-down guide shell 66,
The saddle 67 and guide members 68, 69 of the saddle 67
And a sheath tube gripper 71 and a press-down cylinder 72 for a saddle.

The push-down guide shell 66 is provided integrally with the bracket 53. This bracket 53
Is attached to the yoke 52 via the pin 54 as described above.

The saddle 67 is slidably mounted along the guide shell 66.

Each of the guide members 68 and 69 has a guide roller that engages with the push-down guide shell 66. One guide member 69 is incorporated in the saddle 67, and pushes down the saddle 67 to guide it along the guide shell 66. The other guide member 69 is connected below the saddle 67 via a connecting member 70, and guides the saddle 67 in the vertical direction.

The sheath tube gripper 71 is attached to the saddle 67, and receives the sheath tubes 64 one by one from the sheath tube delivery mechanism 39 and grips them.

The press-down cylinder 72 is mounted between a cylinder bracket 73 provided on an upper portion of a press-down guide shell 66 and a cylinder bracket 74 provided on a lower guide member 69. When the sheath tube 64 is inserted, the push-down cylinder 72 moves the guide member 69.
Is pushed down, the saddle 67 is pushed down via the connecting member 70, and the sheath tube 64 gripped by the sheath tube gripper 71 is inserted into the hole 63.

In this embodiment, as shown in FIGS. 1 and 2, one hydraulic cylinder is used as the moving operation means 75 for the drilling device and the sheath tube inserting device. This hydraulic cylinder is provided with a cylinder bracket 76 provided on the main bracket 31 of the drilling / sheath pipe insertion device 30.
And a cylinder bracket 77 provided on the guide shell holder 56 of the drilling device 55. Then, the hydraulic cylinder which is the moving operation means 75 for the drilling device and the sheath tube insertion device is connected to the bracket 53 through the cylinder bracket 77 and the guide shell holder 56.
Is rotated about 90 ° around the pin 54, and as shown in FIG. 1, the drilling device 55 is set to the position a which is the drilling operation position and the sheath insertion position, and at the same time, the sheath tube insertion device 65 is At the same time, the sheath tube 64 is set at the position c where the sheath tube 64 is received from the sheath tube feeding mechanism 39, and as shown in FIG. The drilling device 55 is set at the standby position b.

In this embodiment, the hydraulic unit 80 is mounted on the rear side of the revolving unit 15 of the excavator 12, as shown in FIG. The hydraulic unit 80 supplies pressure oil to hydraulic equipment such as a hydraulic motor and a hydraulic cylinder.

As shown in FIG. 5, the water supply equipment 81
Guide rail 82 for water supply hose, hose hanger 83
, A water supply pipe 84, a water supply hose 85, a water supply pump 86, a high-pressure water hose 87, a hose guide 88, and a hose reel 89. The guide rail 82
Is mounted on the lower surface of the work room ceiling slab 3 in parallel with the traveling rail 11. The hose hanger 83 is movably and rotatably mounted along the guide rail 82. The water supply pipe 84 is connected to a water supply source such as tap water, penetrates through the work room ceiling slab 3, and is introduced into the work room 2. The water supply pipe 84 is connected to a water supply pump 86 through a water supply hose 85. The water supply pump 86 is installed on the revolving unit 15 and supplies water such as tap water to the high-pressure water hose 43 as high-pressure water.
The hose guide 88 has guide rollers arranged vertically, such as the middle part of the boom 17, the upper part of the cylinder bracket 21 provided on the arm 20, the upper part of the rock drill guide shell 57 of the drilling device 55, and the like. Is located properly. The high-pressure water hose 87 is inserted between guide rollers of a hose guide 88 and connected to a water supply pump 86. In this embodiment, the rock drill body 5 of the drilling device 55 is used.
The high-pressure water is fed into the drilling device 55 through a swivel joint 62 provided on the upper part of the hole 8. The hose reel 89 is installed on the revolving unit 15 like the water supply pump 86, and winds up the high-pressure water hose 87 so as not to be loosened.

The television camera 90 is disposed on the revolving unit 15 in this embodiment.
And may be arranged both on the excavator 12 side and around the work room 2. This TV camera 90
The working state of the sheath tube insertion device 30, that is, the drilling device 55
The work state of the sheath insertion device 65 is photographed, and the information (image) is sent to the control device.

The control device is provided outside the working room 2 of the caisson 1, for example, in a cockpit installed on the ground. Then, the control device fetches information related to the operation of the drilling / sheath pipe insertion device 30 from the television camera 90, and based on the information, the traveling drive device of the traveling body 13 of the excavator 12 and the swing drive device of the revolving body 15 , Boom cylinder 19,
The arm cylinder 23, the attitude control cylinder 24, the rotation drive source 40 of the sheath pipe delivery mechanism 39 of the sheath tube stock device 34, the rotation drive source of the rod 60 of the drilling device 55, the slide drive source of the rock drill body 58, the sheath Sheath tube gripper 71 of tube insertion device 65, push-down cylinder 7 for saddle
2. Moving operation means 7 for drilling device and sheath insertion device
It is configured such that the hydraulic cylinder 5 or the like can be remotely operated.

Next, the excavator 1 according to the first embodiment is described.
The operation of 0 will be described.

First, in the preparation stage, the upper slat 50 is inserted into the sheath tube stocking device 34 of the drilling / sheath tube insertion device 30.
Using the lower retainer 51, it is assumed that a number of sheath tubes 64 are arranged and stocked vertically.

Then, the traveling body 13 of the excavator 12 is moved along the traveling rail 11 and the revolving body 15 is pivoted to drill a hole in the horizontal plane at the bottom G in the working chamber 2 of the caisson 1. The drilling / sheath tube insertion device 30 is set at the sheath tube insertion work position. Furthermore, the boom cylinder 1
9. The arm cylinder 23 and the attitude control cylinder 25 are respectively controlled to set the drilling / sheath pipe insertion device 30 in the vertical direction with respect to the ground G and the drilling / sheath pipe insertion angle.

Next, the hydraulic cylinder which is the moving operation means 75 for the drilling / sheath tube insertion device 30 and the sheath tube insertion device is operated, and as shown in FIGS. Through the guide shell holder 56, the drilling device 55 and the sheath tube insertion device 6
5 is rotated around the pin 54, and the drilling device 55 is set to the position a, which is the drilling work position for the ground G, which is the sheathing work insertion position. The sheath 65 is transferred from the sheath tube delivery mechanism 39 attached to the sheath tube stocking device 34 to the sheath tube 6.
4 is set at the receiving position c.

In this state, the rotary drive source for the rod 60 and the bit 61 of the drilling device 55 is driven, the bit 61 is rotated through the rod 60, and the slide drive source for the rock drill body is driven to The machine main body 53 is lowered along the rock drill guide shell 57, and as shown in FIGS.
At this time, high-pressure water is supplied from the water supply pump 86 of the water supply equipment 81 to the high-pressure water hose 87, and the high-pressure water is supplied to the drilling device 55.
A swivel joint 62 provided at the upper part of the rock drill body 58 → the inside of the rock drill body 58 → the rod 60 is fed into the bit 61 through the rod 60, and high-pressure water is jetted from the bit 61 into the hole 63 being drilled. Discharge the powder.

After drilling a hole 63 having a predetermined depth in the ground G, the supply of high-pressure water is stopped, the rock drill main body 58 and members attached thereto are lifted, and the bit 61 is pulled out from the hole 63 and The hole drilling operation of the hole 63 is completed.

In equilibrium with the above-mentioned drilling operation, as shown in FIG.
The sheath tube gripper 71 receives one of the sheath tubes 64 sent out by the sheath tube delivery mechanism 39 from the sheath tubes 64 arranged in the array, and grips this. When the sheath tube insertion device 65 receives the sheath tube 64 from the sheath tube delivery mechanism 39, the saddle 67 and the members attached to the saddle 67 including the sheath tube gripper 71 are set at the raised position.

As described above, when the drilling of one hole 63 is completed and the sheath tube gripper 71 grips one sheath tube 64, the moving operation means 75 for the drilling device and the sheath tube inserting device. Is operated, and the bracket 53 provided with the drilling device 55 and the sheath tube insertion device 65 is rotated about the pin 54 by approximately 90 ° clockwise in FIG.
As shown in FIG. 2, the drilling device 55 is set to the standby position b, and at the same time, the sheath tube insertion device 65 grasping the sheath tube 64 is moved to the position a which is the drilling operation position and the tube insertion operation position. Set to.

The sheath tube delivery mechanism 39 transfers one of the sheath tubes 64 to the sheath tube insertion device 65, and when the sheath tube insertion device 65 moves away from the position c for receiving the sheath tube 64, the rotary drive source 40 is turned off by one. The pitch rotation is performed, and one of the sheath tubes 64 arranged in the sheath tube stocking device 34 and held by the upper slat 50 and the lower retainer 51 is sent out to a position c where the sheath tube insertion device 65 receives the sheath tube 64. , Preparing for delivery of the sheath tube 64.

After setting the sheath tube insertion device 65 at the position a, which is the drilling operation position and the sheath tube insertion operation position, as can be seen from FIGS. Activating the guide member 6
9. The saddle 67 is pushed down via the connecting member 70 and the guide member 68 and pushed down along the guide shell 66, and the sheath tube 64 gripped by the sheath tube gripper 71 is inserted into the hole 63.

After inserting the sheath tube 64 to a predetermined position in the hole 63 in this way, the sheath tube gripper 71 is opened, and the sheath tube 6 is opened.
4 is released, and the saddle 6
7 and the members attached to the saddle 67 including the sheath tube gripper 71 are raised and returned to the initial position.

Thus, a hole is formed at a predetermined position of the ground G at the bottom of the caisson 1 in the work chamber 2 and the hole 63 is formed.
One stroke of the operation of inserting the sheath tube 64 into the sheath is completed.

In the meantime, the working condition of the drilling device 55 and the sheath tube insertion device 65 is photographed by the television camera 90, and the information is sent to a control device installed outside the work room 2. Therefore, the control device remotely controls the movable part of the excavator 12 and the movable part of the drilling / sheath pipe insertion device 30 based on the information sent from the television camera 90. Then, for example, a grit is set on the horizontal plane of the ground G at the bottom in the work room 2 of the caisson 1, and a hole 6 is formed at the intersection of the grit.
3 and the operation of inserting the sheath tube 64 into the hole 63 is repeated.

Then, dynamite is inserted into the sheath tube 64, blasted, and the ground G at the bottom of the caisson 1 in the work chamber 2 is excavated, and the caisson 1 is laid down.

As described above, in the first embodiment, the drilling / sheath pipe is inserted between the tip of the arm 20 of the excavator 12 and the connecting rod 28 connected to the piston rod 25 'of the attitude control cylinder 25. Main bracket 3 of device 30
1, and a sheath tube stocking device 34 and a yoke 52 are attached to the main bracket 31. The sheath tube stocking device 34 is provided with a sheath tube feeding mechanism 39, and the yoke 52 is rotatable via a pin 54. A bracket 53 is attached to the
A drilling / sheath pipe insertion device 30 having a pier pipe insertion device 65 is mounted between the main bracket 31 and the guide shell holder 56 of the drilling device 55. 75, a hole 63 is formed in the ground G at the bottom of the caisson 1 in the work chamber 2 by the drilling device 55, and then the sheathing device is inserted into the drilling device by the moving operation means 75. Since the sheath 65 is moved so that the sheath tube 64 is immediately inserted into the hole 63, the sheath tube 64 is drilled by one drilling / sheath tube insertion device 30, and the sheath tube 64 is accurately inserted into the hole 63. be able to.

In the first embodiment, the moving operation means 7
5, the drilling device 55 is moved to a position a, which is a drilling work position, which is a sheath tube insertion work position, and to a standby position b, and the sheath tube insertion device 65 is moved to the position a and a position c for receiving the sheath tube 64. 4 and FIG. 5, since the sheath tube 64 gripped by the sheath tube gripper 71 of the sheath tube insertion device 65 can be accurately aligned with the hole 63 opened by the drilling device 55. As shown, the sheath tube 64 can be accurately inserted into the hole 63 even under a working condition in which the inside of the working chamber 2 of the caisson 1 is submerged. In addition, in FIG.4 and FIG.5, W shows the water in a working room.

In the first embodiment, the excavator 12
A television camera 90 is arranged on at least one of the periphery of the work room 2 of the caisson 1, a control device is installed outside the work room 2, and the work state of the drilling device 55 and the sheath insert device 65 is controlled by the TV camera 90. The information is sent to the control device, and the control device controls the excavator 12, the sheath tube stock device 34, the drilling device 55, the movable parts of the sheath tube insertion device 65, and the drilling device and the sheath tube insertion device. The moving operation means 75 is remotely operated. Therefore, even when applied to the sinking of the caisson 1 at a large depth, drilling and sheath insertion work can be performed efficiently and safely, and the operator can be released from troublesome work.

In the first embodiment, the drilling device 55
Since the sheath insertion device 65 is operated by the single moving operation means 75, the size of the device can be reduced, and a malfunction in the sequential operation can be prevented.

Further, in the first embodiment, the water supply equipment 81
And feeds high-pressure water from a feed pump 86 through a high-pressure water hose 87 to a swivel joint 62 provided above the rock drill main body 58 of the drilling device 55, from which the inside of the rock drill main body 58 → rod 60 → High-pressure water is supplied to the bit 61, high-pressure water is ejected from the bit 61 into the hole 63 during drilling, and the powder is discharged, so that the drilling work efficiency can be further improved. .

Next, FIG. 6 is a side view showing a second embodiment of the present invention.

In the embodiment shown in FIG. 6, in addition to the television camera 90 arranged on the revolving unit 15 of the excavator 12, a television camera 91 is also provided on the lower surface of the ceiling slab 3 of the caisson 1 in the work room. . The television camera 91 also captures the working state of the drilling / sheath tube insertion device 30 and sends the information to a control device (not shown).

In the second embodiment, the boom 93 of the excavator 12 is configured by combining a fixed boom 94 and a slide boom 95.

The fixed boom 94 is attached to the revolving unit 15 via a pin 96 so as to be able to move up and down, and is operated by a boom cylinder 97 to move up and down. A first guide rail 99 is provided above the fixed boom 94 so as to project in the width direction. Further, a first guide means 101 is attached to the front end of the fixed boom 94.

The slide boom 95 is mounted on the fixed boom 94 so as to be slidable in the length direction of the boom 93, and is operated by a hydraulic cylinder as slide operation means 98 in the length direction of the boom 93. It is supposed to be. A second guide rail 100 is provided below the slide boom 95 so as to correspond to the first guide rail 99. Also, a second guide means 102 is attached to the slide boom 95 at a position near the base.

The first guide means 101 is attached to both ends in the width direction of the fixed boom 94 at the distal end side of the fixed boom 94. Each first guide means 101
Is composed of a roller bracket 103 attached to a fixed boom 94 and a total of four rollers 104 supported by two in each of the up and down and front and rear directions. The roller 1 of the first guide means 101
Numerals 04 are arranged two by two with the second guide rail 100 provided on the slide boom 95 therebetween, and guide the slide boom 95.

The second guide means 102 is attached to both sides in the width direction of the slide boom 95 at the base of the slide boom 95. Each second guide means 102 is composed of a roller bracket 103 attached to the slide boom 95 and a total of four rollers 104 supported by two in the vertical and longitudinal directions respectively. Thus, the second guide means 10
The second roller 104 is provided on the first boom 94.
The slide boom 95 is disposed two by two with the guide rail 99 interposed therebetween.
Guided in cooperation with No.4.

The first and second guide means 101,
In both cases, the roller bracket may be formed of a double inner and outer bracket, one of the brackets may be pivotally coupled to the other bracket, and the roller may be pivotally supported by the pivoting bracket.

The slide boom 95 is provided with an attitude control mechanism 105 and a sheath and tube stocking device (not shown) of a bore / sheath tube insertion device. Further, a reversing device 112 is mounted over the tip of the slide boom 95 and the attitude control mechanism 105. Further, in the second embodiment, the boom 93 has the slide boom 95 slidably provided on the fixed boom 94, but the inner cylinder boom may slide in the fixed outer cylinder boom.

The attitude control mechanism 105 has a pin 1 attached to a cylinder bracket 107 provided on the slide boom 95.
An attitude control cylinder 106 is supported via a pin 08, and a link 109 and a connecting rod 110 are connected to the distal end of a piston rod 106 'fitted in the cylinder. The other end of the link 109 is a slide boom 95
Through a pin 108.

The sheath tube stocking device includes a connecting pin 11
5 is attached to a bracket (not shown) attached to the distal end of the slide boom 95.

The reversing device 112 has a first bracket 113 provided on one surface, a second bracket 114 provided on the other surface, and a hydraulic motor as a reversing drive source 117. The reversing device 112 is connected to the distal end of the slide boom 95 via the first bracket 113 and the connecting pin 115, and further connected to the distal end of the connecting rod 110 of the attitude control mechanism 105 via the first bracket 113 and the pin 116. Connected to the department. The hydraulic motor serving as the reversing drive source 117 is connected to a hydraulic unit 80 mounted on the swing body 15 of the excavator 12.

The guide shell holder 56 of the drilling device 55 is connected to the reversing device 112 via the pins 118 and 119 to the second bracket 114. The drilling device 55 and the guide shell holder 56 are connected via the guide shell holder 56. A sheath tube insertion device 65 is attached.

The other structure of the second embodiment is the same as that of the first embodiment.

In the second embodiment, the slide operation means 98 is operated as required, and as shown in FIG.
The slide boom 95 is slid with respect to the fixed boom 94, and the boom 93 is adjusted to an appropriate length. When the slide boom 95 slides, the slide boom 95 can be smoothly moved by the operation of the first and second guide rails 99 and 100 and the first and second guide means 101 and 102.

Further, the attitude control cylinder 106 of the attitude control mechanism 105 is operated to control the attitude of the drilling and sheath insertion apparatus 30 through the piston rod 106 ′, the link 109, the connecting rod 110 and the reversing device 112.

Further, the inversion drive source 11 of the inversion device 112
7, and at the time of drilling, the drilling device 55 is set to the position a which is the drilling operation position and the sheath insertion operation position, and at the same time, the sheath insertion device is attached to the sheath sheathing device and the sheath feeding mechanism. Set it in a position to receive the sheath (not shown). When the sheath tube is inserted, the reversing drive source 117 is operated to set the sheath tube insertion device at the position a and, at the same time, set the drilling device 55 at the standby position.

As described above, in the second embodiment, the slide boom 95 is slidably mounted on the fixed boom 94 and the boom 93 can be adjusted to an appropriate length. Even if applied to
A hole is drilled to the bottom of the ground G in the work chamber 2 of the caisson 1, and a sheath tube can be inserted into the hole 63.

In the second embodiment, a reversing device 112 is mounted over the tip of the slide boom 95 and the attitude control mechanism 105, and a drilling device and a sheath insertion device are mounted on the reversing device 112. It is possible to more smoothly switch from the drilling operation to the sheath insertion operation and from the sheath insertion operation to the drilling operation.

The other operation of the second embodiment is the same as that of the first embodiment.

The first and second embodiments can be applied not only to the caisson 1 shown in the figure, but also to the drilling of a rock or a boulder or the insertion of a sheath.

[0096]

As described above, according to the present invention, at the tip of the arm or boom of the excavator 12, a sheath tube stocking device 34 having a sheath tube feeding mechanism 39, a drilling device 55, and a sheath tube insertion device. A device 65 and moving operation means for the drilling device 55 and the sheath tube insertion device 65 are provided, and the drilling device 55 is moved by the moving operation device to a position a which is a drilling operation position and a sheath insertion position. After the hole 63 is opened by the drilling device 55, the drilling device 55 is moved to the standby position b, and the sheath tube insertion device 65 is moved by the moving operation means from the sheath tube delivery mechanism 39 to the sheath tube. 64 is moved to a position c for receiving the sheath, and at this position c, one sheath tube 64 is gripped, and then the sheath tube insertion device 65 is moved to a position a, which is a drilling work position and a sheath tube insertion work position. Intubation Since the sheath tube 64 is inserted into the hole 63 by the device 65, the ground G, the rock, the boulder, etc. at the bottom in the work room 2 of the caisson 1 are drilled by one device and the hole is formed. 63 has the effect of immediately inserting the sheath tube 64 accurately. In particular, the sheath tube 64 gripped by the sheath tube insertion device 65 can be accurately aligned with the hole 63 formed by the drilling device 55. In the case where the present invention is applied to the blasting of the ground G at the bottom of the work chamber 2, the effect that the sheath tube 64 can be accurately inserted into the hole 63 even in a work situation where the inside of the work chamber 2 is submerged. There is also.

In the present invention, the traveling rail 11 is mounted on the ceiling slab 3 of the caisson 1 in the work room, the traveling body 13 is mounted on the traveling rail 11, the revolving body 15 mounted on the traveling body 13, and the revolving body 15 The excavator 12 having a boom 17 attached to the top and bottom of the boom 17, an arm 20 swingably connected to the tip of the boom 17, and an attitude control mechanism 24 is suspended. A drilling / sheath tube insertion device 30 is attached between the arm 20 and the attitude control mechanism 24, and the drilling / sheath tube insertion device 30 is connected to a sheath tube stock device 34 having a sheath tube feeding mechanism 39.
And a drilling device 55, a sheath pipe insertion device 65, and a moving operation means of the drilling device 55 and the sheath tube insertion device 65, and the drilling device 55 is moved by the moving operation means. The hole is moved to a position a, which is a drilling operation position and a tube insertion operation position, and a hole 63 is made in the ground G at the bottom in the work chamber 2 of the caisson 1 by the drilling device 55. To the standby position b, and the sheath tube insertion device 6
5 is moved by the moving operation means to the sheath tube delivery mechanism 39.
After the sheath tube 64 is moved to the position c for receiving the sheath tube 64 and one sheath tube 64 is gripped at this position c, the sheath tube insertion device 65 is moved to the position a which is the drilling operation position and the sheath tube insertion operation position. The sheath 63 is inserted into the hole 63
Since the sheath tube 64 is inserted, there is an effect that the drilling and the sheath tube insertion operation can be performed efficiently and safely even when applied to the installation of a caisson at a large depth.

In the present invention, the boom 93 of the excavator 12 is used.
A combination of a fixed boom 94 and a slide boom 95 slidably mounted on the fixed boom 94 and connected to a slide operating means 98. The slide boom 95 is provided with an attitude control mechanism 105, The drilling / sheath pipe insertion device 30 is attached to the tip of the 95 and the attitude control mechanism 105, and the slide boom 95 can be slid to adjust the boom 93 to an appropriate length. Even when it is applied to the caisson, the caisson can be drilled down to every corner of the ground G at the bottom in the working room, the sheath 63 can be inserted into the hole 63, blasted, and the caisson can sink. effective.

In the present invention, a single moving operation means 75 is used.
In this way, the drilling device 55 is moved to the position a, which is the drilling operation position, which is the sheath insertion position, and the standby position b, and the sheath insertion device 65 is moved to the sheath stock device 34
Since the sheath is moved to the position c for receiving the sheath tube 64 from the sheath tube sending-out mechanism 39 and the position a which is the drilling work position and the sheath insert work position, the effect that the apparatus can be reduced in size can be obtained. There is also an effect that a malfunction in a sequential operation can be prevented beforehand.

In the present invention, the arm 20 of the excavator 12 is
Alternatively, the reversing device 112 is mounted over the tip of the slide boom 95 and the attitude control mechanism.
Since the drilling / sheath pipe insertion device 30 is attached via the 12, the operation of the reversing device 112 allows the switching from the drilling work to the sheath pipe insertion work and vice versa to switch more smoothly from the sheath pipe insertion work to the drilling work. There is an effect to get.

Further, in the present invention, a television camera for photographing the working state of the drilling / sheath pipe insertion device 30 is arranged on at least one of the periphery of the excavator 12 and the caisson 1 in the work room 2. Since a control device is installed outside the work room 2 and the movable parts of the excavator 12 and the drilling / sheath tube insertion device 30 are remotely controlled based on information taken by a television camera. Even when applied to the sinking of the caisson 1 at a large depth, there is an effect that drilling and sheath insertion work can be performed efficiently and safely, and there is an effect that an operator can be released from troublesome work.

[Brief description of the drawings]

FIG. 1 shows the first embodiment of the present invention, and is an enlarged plan view of a drilling state in a portion of a drilling / sheath pipe insertion device.

FIG. 2 is an enlarged plan view of a sheath tube insertion state in the hole and sheath tube insertion device of the first embodiment.

FIG. 3 is a side view of FIG. 2;

FIG. 4 is a side view showing a state in which a drilling / sheath pipe insertion device is attached to a backhoe-type excavator, and showing a state where a hole is formed in a ground at a bottom portion in a work room of a large-area caisson. .

FIG. 5 is a side view showing the whole backhoe excavator, showing a state where a sheath tube is inserted into the hole after drilling.

FIG. 6 is a side view showing a second embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Caisson 2 Work room 3 Work room ceiling slab G Ground 10 Excavator 11 Travel rail 12 Excavator 13 Traveling body 15 Revolving body 17 Boom 20 Arm 24 Attitude control mechanism 30 Drilling / sheath pipe insertion device 31 Main bracket 34 Sheath pipe Stock device 39 Sheath tube feeding mechanism 50 Upper slat 51 for sheath and tube receiving lower retainer 52 for sheath and tube receiving 52 Yoke 53 Bracket 55 Drilling device 58 Rock drill body 60 Rod 61 Bit 63 Hole 64 Sheath tube 65 Sheath tube inserting device 67 Saddle 71 Sheath tube gripper 72 Push-down cylinder 75 Moving operation means for drilling device and sheath tube insertion device 80 Hydraulic unit 81 Water supply equipment 90, 91 Television camera 93 Boom of excavator 94 Fixed boom 95 Slide boom 98 Slide operation means 99 , 100 First and second guide rails 101, 102 First and second guide means 105 Attitude control mechanism 112 Reversing device

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI E21B 19/14 E21B 19/14

Claims (6)

(57) [Claims] 1. A pod tube stocking device 34 having a pod tube feeding mechanism 39 at a tip end of an arm or boom of the excavator 12, a movable drilling device 55, and a movable pod tube insertion device 65. And the drilling device 55 is moved to a position a, which is a drilling operation position and a sheath insertion operation position.
Moving operation means for moving to the standby position b, a position c for receiving the sheath tube 64 from the sheath tube feeding device 39 for the sheath tube insertion device 65, and a sheath tube insertion work position which is the hole drilling work position. And a moving operation means for moving the hole to a position a. 2. A traveling rail 11 is attached to a ceiling slab 3 of a caisson work room, and the traveling body 11 is attached to the traveling rail 11.
3, a revolving structure 15 attached to the traveling structure 13,
A boom 17 mounted on the revolving unit 15 so as to be able to move up and down.
And an excavator 12 having an attitude control mechanism 24 and an arm 20 swingably connected to the tip of the boom 17, and the tip of the arm 20 of the excavator 12 and an attitude control mechanism. 2
4, a drilling / sheath pipe insertion device 30 is attached, and the drilling / sheath pipe insertion device 30 is connected to a sheath tube stock device 24 having a sheath tube feeding mechanism 39, and a movable drilling device 55, With a movable sheath tube insertion device 65,
A moving operation means for moving the drilling device 55 to a position a, which is a drilling operation position and a sheath tube insertion position, and a standby position b, and a sheath operating device 3 for shifting the sheath tube insertion device 65 to the sheath tube delivery mechanism 3.
9. An excavating device comprising: a moving operation means for moving a sheath c for receiving a sheath tube 64 from a position 9 and a position a for a boring operation position and a sheath inserting position. 3. A traveling rail 11 is mounted on the ceiling slab 3 of the caisson work room, and the traveling body 1 is attached to the traveling rail 11.
3, a revolving structure 15 attached to the traveling structure 13,
A fixed boom 94 attached to the revolving body 15 so as to be able to move up and down, a slide boom 95 slidably mounted on the fixed boom 94, a slide operation means 98 for the slide boom, and a tip end of the slide boom 95. Excavator 12 provided with a posture control mechanism 105 provided in
Over the tip of the slide boom 95 of the excavator 12 and the attitude control mechanism 105.
The drilling / sheath tube insertion device 30 is connected to a sheath tube stock device 34 having a sheath tube feeding mechanism 39,
A movable drilling device 55, a movable sheath tube insertion device 65, and a movement for moving the drilling device 55 to a position a which is a drilling operation position and a sheath insertion position, and a standby position b. Operating means, a position c for receiving the sheath tube 64 from the sheath tube feeding mechanism 39 for the sheath tube insertion device 65, and a position a which is the hole drilling operation position and the sheath tube insertion operation position.
And a moving operation means for moving the excavator. 4. A moving operation means for moving the drilling device 55 to a position a, which is a drilling operation position and a sheath insertion position, and a standby position b, and moving the sheath tube insertion device 65 to the sheath tube feeding operation. Position c for receiving the sheath tube 64 from the mechanism 39
2. The drilling and drilling apparatus according to claim 1, wherein the moving operation means for moving the drilling operation position to the position a, which is the drilling operation position and the pipe insertion operation position, is constituted by a single moving operation means 75. Pod tube insertion device. 5. A reversing device 112 is mounted between the arm 20 of the excavator 12 or the tip of the slide boom 95 and the attitude control mechanism 105, and the drilling / sheath tube inserting device 30 is connected via the reversing device 112. The excavator according to claim 2 or 3, wherein the excavator is attached. 6. A television camera for photographing a working state of a drilling / sheath pipe insertion device 30 is disposed on at least one of the excavator 12 and the periphery of the caisson 1 in the work room 2. Outside of the work room 2, a control device for remotely controlling the movable part of the excavator 12 and the drilling / sheath pipe insertion device 30 is installed based on information captured by the television camera. The excavator according to claim 2 or 3, wherein the excavator is used.