JPH0711643A - Driving method of pile and its apparatus - Google Patents

Abstract

PURPOSE:To increase the working efficiency, by detecting piles with different lengths at every kind of the length and storing and indicating every kind as to which kind of pile and how many piles are supplied and burying respective piles with different lengths. CONSTITUTION:A rod container device 10 is rotated as far as the position where the center of the loading member of piles 101, 102 is aligned with a borehole center and set there and then the rod container device 10 is turned down horizontally. A pile is suspended by a crane and placed along the loading member of piles 101, 102 of the rod container device 10. Then the rod container device 10 is erected. In this case, a short pile or a long pile is detected by a first sensor 111, or a third sensor 113 respectively and it is stored in a memory. And the preset pile is lowered to settle in the borehole. The figures as to how many piles are buried in respective boreholes are shown on an indicator on the basis of the stored data in the memory.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pile burying method and apparatus for burying piles having different lengths.

[0002]

2. Description of the Related Art Conventionally, various pile burying methods and pile burying apparatuses have been provided, but the conventional pile burying method and pile burying apparatus bury piles of equal length. For example, it is a pile burying device of Japanese Patent Application No. 4-108992. In this method, buried piles of equal length are sequentially supplied from the rod container to the excavator and buried.

[0003]

However, when the piles having the same length are buried as in the conventional case, the piles can be buried only at the depths of the intervals of the length of one pile. If you try to align the head with the pile head setting depth, you have to drill more than necessary,
The disadvantage of drilling to a depth that penetrates the support ground occurs, and conversely, if the support ground is made a suitable depth, the pile head will protrude from the pile head set depth, and the protruding pile head must be removed. However, there is a problem that the removal work is troublesome and the pile is wasted.

The present invention has been made in view of the above circumstances, and its main problem is to enable the pile burial depth to be adjusted in small steps so that the pile head protrudes from the pile head set depth. This is done by eliminating the waste of drilling more deeply than necessary and eliminating this wasteful work.Pile burial work is performed by selectively combining buried piles of different lengths and adding them. According to the present invention, there is provided a pile burying method and a device for burying piles having different lengths, which can adjust the depth of the buried pile in smaller increments than the length of one pile.

[0005]

In order to achieve the above-mentioned object, the invention according to claim 1 is a sensor for detecting piles having different lengths according to the type of length, and a pile of which length is detected by the sensor. It is equipped with a storage means and a display means for storing and displaying how many piles are supplied by type, and the piles of different lengths supplied are detected by a sensor, and by this detection, the piles of which length are stored in the storage means. It is characterized in that the piles of different lengths are buried by storing the piles of which length has been supplied on the display means while memorizing the piles of which the piles have been supplied.

According to a second aspect of the present invention, there is provided a drill head which is movable up and down along a leader. The drill head rotates and feeds the drill rod, or further strikes the drill rod to drill the drill head. Supply means for supplying piles of different lengths, a sensor for detecting piles of different lengths according to length type, and a storage means for storing by type the number of piles of which length is supplied by the detection of the sensor. And a display means for displaying, by type, how many piles of which length have been supplied.

According to a third aspect of the present invention, the supply means for supplying the piles having different lengths is attached to a container frame which is pivotally attached to a proper place of a base of an excavating device so as to be capable of being tilted up and down. A rod container divider,
A container shaft rotatably supported between the upper part of the container frame and the rod container divider, a rod receiving plate fixed to the lower end of the container shaft, and a plurality of magazine plates mounted in the middle of the container shaft. The rod container divider has a built-in drive mechanism for rotating the container shaft by a predetermined angle, and the rod receiving plate has a plurality of trumpet-shaped receiving members for supporting the lower end of the excavating rod arranged concentrically. With a part is cut out in a semicircle, the magazine plate,
A plurality of U-shaped holes that engage in parallel with the axis of the container shaft are concentrically arranged and a part of which is cut out in a semicircular shape in a state where the excavation rod is erected on the trumpet-shaped receiver. In the up-and-down type rod container device, in place of the container shaft, a pile mounting member for mounting the shorter pile and a pile mounting member for mounting the longer pile are provided, A first sensor for detecting the shorter pile and a second sensor for detecting the longer pile at appropriate places on the container frame.
And a sensor is provided.

The invention according to claim 4 is characterized in that the pile mounting member for mounting the longer pile is also used as the trumpet-shaped receiving member. Further, the invention according to claim 5 is characterized in that the pile mounting member is pivotally attached so as to be foldable. Further, the invention according to claim 6 is characterized in that the pile mounting member is provided on the container shaft so that the mounting position can be adjusted.

[0009]

According to the invention of claim 1, the piles having different lengths can be detected by the type of length by the sensor.
The storage means stores, according to the detection signal of the sensor, how many piles of which length have been supplied by type. The display means displays, by type, how many piles of which length have been supplied by the detection signal of the sensor. Therefore, the pile can be buried while confirming by displaying on the display means how many piles of which length have been supplied, and at the same time the storage means can retrieve later how many piles of which length have been supplied to which position.

According to the second aspect of the invention, the piles having different lengths can be supplied to the excavator by the supply means for supplying piles having different lengths. Therefore, in the excavation device, the piles of different lengths supplied by the supply means can be detected by the sensor, and can be stored and displayed in the storage means and the display means by the detection signal and embedded.

According to the third aspect of the present invention, the rod container device includes the pile mounting member for mounting the shorter pile and the pile mounting member for mounting the longer pile. Long and short piles can be set on the pile mounting members and supplied to the excavator. Further, the first sensor that detects the shorter pile and the second sensor that detects the longer pile can detect the long pile and the short pile, respectively.

In the invention of claim 4, the pile mounting member for mounting the longer pile is also used as the trumpet-shaped receiving member of the rod container device, so that it is not necessary to separately provide the pile mounting member.

According to the fifth aspect of the present invention, when the longer pile is supplied by the rod container device, the pile mounting member can be folded so as not to interfere with the supply of the longer pile.

According to the sixth aspect of the invention, the position of the pile mounting member can be adjusted according to the types of piles having different lengths, and the pile lengths can be changed in various ways.

[0015]

The present invention will be described in detail below with reference to the illustrated embodiments. FIG. 1 is a side view of a pile burying device having a tiltable rod container device of the present invention, and FIG. 2 is a front view of the same.

In the drawing, 10 is a rod container device, and 1
Is a digging device, 2 is a tilting boom thereof, 3 is a drill head, and a rod clamp 3a is attached to the lower end of the drill head. The drill head 3 has a built-in drill chuck (not shown) that opens and closes hydraulically, and is moved up and down along the front surface of the guide frames 2a, 2a by the feeding device 4. 5 is a rod holder fixed to the front end of the base 6,
The position is maintained regardless of the raising and lowering of the tilting boom 2.

The rod container device 10 is located between the pair of guide frames 2a, 2a of the raising and lowering boom 2 at the front end of the base 6 similarly to the raising and lowering boom 2, and the lower end thereof is pivotally mounted.
It is configured to fall rearward with respect to the guide frame 2a. That is, the rod container device 10 can be tilted backward together with the erecting boom 2 standing upright, and can also be tilted rearward with the erecting boom 2 standing upright. It is being done.

FIG. 3 is a partially cutaway side view of the rod container apparatus, FIG. 4 is a sectional view taken along the line AA of FIG. 3, and FIG. 5 is B of FIG.
-B line sectional view, FIG. 6 is CC sectional view of FIG. 3, FIG. 7 is a longitudinal sectional view of the rod container divider, and FIG. 8 is DD of FIG.
It is a line sectional view.

In the figure, 11 (11) is a container frame, the lower end of which is pivotally supported together with a rod container divider 12 at the front part of the base 6 by a pivot 13. Reference numeral 14 denotes a container shaft, which is rotatably supported between a bracket 15 projecting from the upper end of the container frame 11 and a rod container divider 12, and is rotated at a predetermined angle by a drive mechanism incorporated in the rod container divider 12.

The drive mechanism device is shown in cross section in FIGS. 7 and 8. That is, the rack pistons 17, 17 are slidably mounted between the cylinders 16, 16, the racks 17a of the rack pistons 17, 17 mesh with the pinions 18a, and when the rack pistons 17 move in and out of the cylinders 16, the gear cast 18 is removed. After that, the gear 18b rotates. When the gear 18b rotates, the gear 19 meshing with the gear 18b also rotates, so that the container shaft 14 rotates. Cylinder 16
Up to the gear 19 is called a drive mechanism.

When the container shaft 14 rotates, the rod receiving plate 20 and the magazine plate 21, which are fixed to the container shaft 14,
21 rotates. A rotary encoder 22 is attached to the outer end of the gear shaft 18, which detects the rotation angle of the container shaft 14 and adjusts the amount of oil flowing in and out of the cylinders 16 and 16 with a hydraulic circuit (not shown). Is rotated by a predetermined angle.

A drilling rod 23 is provided on the rod receiving plate 20.
A plurality of trumpet-shaped receivers 20a for supporting the lower ends of the rods are arranged concentrically (eight in FIG. 5), and a part of the rod receiving plate 20 is cut out in a semicircular shape (the semicircular cutout portion It will be referred to as cutout portion 20b.)

The magazine plates 21 and 21 are provided with notches 21b on the same axis as the rod receiving plate 20, and a plurality (8 in FIG. 4) on the same axis as the trumpet-shaped receivers on the rod receiving plate 20. The U-shaped hole 21a is concentrically arranged so that the excavating rod 23 is engaged. The rod receiving plate 20 and the notch portions of the magazine plates 21 and 21 allow the drill head 3 to move up and down without any trouble.

When the excavating rods 23b to 23i housed in the rod container device 10 are used and the U-shaped hole 21a is completely empty, it is necessary to newly load the U-shaped hole 21a with the excavating rod. In this case, the rod container device 10
The container shaft so that the first U-shaped hole 21a next to the cutout 21b is directly above the container shaft with the first excavation rod laid sideways. 14 is rotated, and the excavation rod already lifted by the crane is inserted into the trumpet-shaped receiving member 20a of the rod receiving plate 20 through the first U-shaped hole 21a.

Next, a U-shaped hole 2 containing the first drilling rod
The container shaft 14 was rotated again until the U-shaped hole 21a next to 1a was located directly above, and the container shaft was lifted by a crane.
The real excavation rod is put into the second U-shaped hole 21a.

As described above, when the third and subsequent drill rods are sequentially loaded, the loading of the drill rods into all the U-shaped holes 21a is completed. Next, the container shaft 14 is rotated until the notch 21b is located right above, and then the container device 10 is erected.

Further, on the container shaft 14 of the rod container device 10, as shown in FIG. 4, the first pile mounting member 101 for mounting the shorter pile on the upper side and the longer pile on the lower side are mounted. A second pile mounting member 102 to be placed is provided and constitutes a pile supply means. The first pile mounting member 101, on which the shorter pile is placed, can be pivoted upward by the pin 107 at its base end so as not to interfere when the long pile is set at the burying center position. It is pivotally attached to and can be folded. If the mounting position of the first pile mounting member 101 is adjustable on the container shaft 14, it is preferable because the first pile mounting member 101 can cope with a change in the length of the pile.

The pile mounting members 101 and 102 are constructed so that buried piles can be set, and the piles are set here and supplied to the excavation device (burial device) 1. At this time, drilling rod 2
The rod container device 10 is provided with a retainer lever 103 as shown in FIG. 4 so that the 3a or the buried pile does not fall. The retainer lever 103 has a pin 104.
Is rotatably pivoted to the rotary actuator 105.
(See FIG. 3), it is rotated normally and reversely to open and close.

A proximity switch 106 for opening and closing the rotary actuator 105 is provided at the base of the retainer lever 103. This proximity switch 106
In this example, the retainer lever 1 is always used when the excavating rod or the buried pile is not set in the rod container device 10.
03 is open. That is, the proximity switch 106 is normally open.

Further, on the frame 11 of the rod container device 10, the first sensor 11 is arranged in this order from above in the vertical direction.
A first sensor 112, a second sensor 112, and a third sensor 113 are provided. Whether or not the upper first sensor 111 is a short buried pile, the middle second sensor 112 is a drill rod, and the third lowermost sensor 113 is a longer buried pile is set at a predetermined position. Is to detect. The second sensor 112 in the middle detects when the excavating rod is set at a predetermined position so as not to set the buried pile.

However, when the first sensor 111 or the third sensor 113 detects the buried pile, the proximity switch 1
06 is closed, the rotary actuator 105 is operated, the retainer lever 103 is closed, and at the same time, the number of each buried pile is counted. Similarly, the second sensor 112 can count how many drill rods have been supplied when drilling holes with the drill rods.

Next, the operation of attaching and detaching the excavating rod by the rod container device 10 will be described. In the state where the rod container device 10 is tilted backward, the feeding device 4 rotates the drill rod 3a screwed to the lower end of the spindle (not shown) of the drill head 3 shown in FIGS. The drill head 3 is lowered to perform feed excavation.

When the feeding for one excavating rod 23a is completed,
The upper part of the drilling rod 23a is gripped by the rod holder 5 shown in FIG. 1, and the spindle (not shown) incorporated in the drill head 3 is reversely rotated to rotate the screw at the upper end of the drilling rod 23a and the spindle (not shown) incorporated in the drill head 3. Remove the screw at the tip and raise the drill head 3.

Drill head 3 up to the position shown in FIGS.
When the rod container device 10 is lifted, the drive mechanism built into the container divider 12 is operated to rotate the container shaft 14 until the excavating rod 23b shown in FIG. 4 reaches the position 23a, and after closing the retainer lever 103, the rod container device 10 is closed. Set up. Next, the drill head 3 is lowered, and the upper part of the drill rod 23b is gripped by the drill clamp 3a attached to the lower end of the drill head 3 and lifted up to a position where the lower end comes out of the trumpet-shaped receiver 20a of the rod receiving plate 20.

In this state, when the rod container device 10 is turned over to the rear, the excavating rod 23b moves to the magazine plate 2
It disengages from the U-shaped holes 21a, 21a of 1, 21. Next, the spindle (not shown) of the drill head 3 is rotated to screw the screw at the lower end of the spindle into the screw at the upper end of the drill rod 23b.

Next, the drill head 3 is lowered, and in this state, the drill clamp 3a attached to the lower end of the drill head 3
And the spindle (not shown) of the drill head 3 is rotated to attach the screw at the lower end of the drill rod 23b to the drill rod 23a.
Screw on the screw at the top. Then, the rod holder 5 is released, and the excavation rods 23b and 23a excavate.

In this way, the excavation is performed by successively adding the excavation rods 23c to 23i. When the excavation is completed, the excavation rod is pulled up and removed in the reverse order of the above-described addition of the excavation rod.

Next, the case of burying the buried pile will be described. First, the rod container device 10 is rotated and set to a position where the centers of the pile mounting members 101 and 102 are aligned with the drilling center, and at that position, the rod container device 1
0 is laid down horizontally, the pile is hung by a crane, and the pile is placed along the pile placing members 101 and 102 of the rod container device 10. Then, the retainer lever 103 is closed and the rod container device 10 is erected so that the pile set at the drilling center position is positioned.

In this case, the first sensor 111 and the third sensor 113, which respectively detect whether the pile is a short pile or a long pile, confirm whether it is a 3 m pile or a 4 m pile, for example. . When the pile that has just been placed is a 3 m pile, the first sensor 111 is activated, and the fact that it is a 3 m pile is stored in the storage means incorporated in the computer. Also,
If it is a 4m pile, the third sensor 113 will detect it and 4m
The fact that it is a pile is stored in the storage means.

Next, the set pile is moved down the drill head 3, the pile is taken out of the rod container device 10 by the rod clamp 3a, and the pile is sunk in the excavation hole in the same procedure as that of adding the excavation rod. In this embedding step, how many 3 m piles and 4 m piles are buried in the drilling hole is displayed on the display means based on the memory of the storage means.

In this way, the computer memorizes how many 3m piles and 4m piles are buried, and displays how many 3m piles and 4m piles are buried in each drilling hole during the burying process, and You can check the number.

When burying the piles, the depth of the drilling holes is set to be several meters, how many piles of the piles are to be connected and buried in the drilling holes, and the like are designed in advance, and the piles are buried by setting in advance. One is buried according to the plan. Therefore, it is decided in the first pile burying design how many meters of piles should be placed in which holes. The drilling depth varies depending on each drilling, and the buried depth of the pile is set to a predetermined depth while adjusting this. An example of the burying method of the present invention will be described with reference to the case of burying a pile in one drilled hole, for example, when the length of the buried pile is 17 m. And 3m piles should be connected and buried. When using the conventional piles of the same length, it was necessary to bury 6 piles of 3m and cut off the top pile of 1m, but in the burying method of the present invention, it is just 17m.
Can be buried in piles.

[0043]

Since the present invention is constructed as described above, it has the following effects. Since the depth of the buried pile can be controlled in small increments, the pile head of the buried pile does not protrude from the pile head set depth and the drilling depth is unnecessarily excessive. When setting the buried piles with different long and short lengths at the buried center position of the burial device, each sensor operates in each pile, and the number of buried piles of each pile is counted and stored. You can know the number of each buried pile accurately without relying on your memory.

[Brief description of drawings]

FIG. 1 is a side view of a pile burying device having a tiltable rod container device according to an embodiment of the present invention.

FIG. 2 is a front view of a pile burying device having a tiltable rod container device according to an embodiment of the present invention.

FIG. 3 is a partially cutaway side view of a rod container device showing an embodiment of the present invention.

4 is a cross-sectional view taken along the line AA of FIG.

5 is a sectional view taken along line BB of FIG.

6 is a cross-sectional view taken along the line CC of FIG.

FIG. 7 is a vertical sectional view of a rod container divider.

8 is a cross-sectional view taken along the line DD of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Excavator 10 Rod container device 101 1st pile mounting member 102 2nd pile mounting member 111 1st sensor 112 2nd sensor 113 3rd sensor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Koichi Ishikawa 3-8-7 Soka, Soka City, Saitama Prefecture

Claims (6)

[Claims] 1. A sensor for detecting piles having different lengths by type of length, and a storage means and a display means for storing and displaying, by type, how many piles of which length have been supplied by the detection of this sensor. A sensor detects the piles of different lengths that are supplied, and this detection allows the storage means to store how many piles of which length have been supplied, and the display means how many piles of which length is supplied. A pile burying method characterized in that piles of different lengths are buried by displaying whether they have been supplied. 2. In a drilling device for drilling by rotating and feeding a drilling rod or further hitting the drilling head with a drill head which can be moved up and down along a leader, a supply for supplying piles having different lengths to the drilling device. Means, a sensor for detecting piles of different lengths by type of length, a storage means for storing how many piles of which length were supplied by the detection by this sensor, and a pile of which length. A pile burying device, comprising: display means for displaying how many are supplied by type. 3. A supply means for supplying piles having different lengths, a container frame pivotably attached to an appropriate place of a base of an excavator, and a rod container divider attached to a lower part of the container frame, A container shaft rotatably supported between the upper part of the container frame and the rod container divider, a rod receiving plate fixed to the lower end of the container shaft, and a plurality of magazine plates attached in the middle of the container shaft. The rod container divider has a built-in drive mechanism for rotating the container shaft by a predetermined angle, and the rod receiving plate has a plurality of trumpet-shaped receiving members for supporting the lower end of the excavating rod in a concentric circle. A part is cut out in a semicircular shape together with the magazine plate, and the excavation rod is erected on the trumpet-shaped receiver. In the up-and-down rod container device, a plurality of U-shaped holes that engage in parallel with the axis of the container shaft are arranged in a concentric circle and a part is cut out in a semicircular shape in the above state. A pile mounting member for mounting the shorter pile and a pile mounting member for mounting the longer pile are provided at appropriate positions of the shaft, and the short pile at the appropriate position of the container frame. 3. The pile burying device according to claim 2, further comprising a first sensor for detecting a pile and a second sensor for detecting a longer pile. 4. The pile embedding device according to claim 3, wherein the trumpet-shaped receiving member also serves as a pile mounting member for mounting the longer pile. 5. The pile embedding device according to claim 3, wherein the pile mounting member is pivotally mounted so as to be foldable. 6. The pile embedding device according to claim 3, wherein the pile mounting member is provided on the container shaft so that its mounting position can be adjusted.