JP2628616B2 - Piling device and pile driving method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a long sheet pile or H-shaped steel .
The present invention relates to a pile driving device having a chuck device suitable for use in driving a pile.

[0002]

[Prior art] Driving a long sheet pile longer than the height of the front
As a pile driving machine that made it possible to
No. 738 discloses an articulated arm attached to a working machine.
Horizontal chuck device for gripping steel sheet pile from the tip of
Is attached to the exciter, and it swings down
Are disclosed.

[0003]

[SUMMARY OF THE INVENTION] However, what is disclosed in the publication, together with a horizontal chucking device exciter
Provided and swingably suspended, the horizontal chuck device is
Because of the structure that must be protruded forward,
The exciter tilts due to the weight of the
The chuck device is positioned at right angles to the longitudinal axis of the sheet pile.
Without placing it, the sheet pile will be gripped diagonally. Soshi
In this state, in order to drive the sheet pile to the end,
Rotating power centered on the shaker acts, driving the sheet pile vertically
Is difficult to install, and the workability and workability are poor.
The aim is to add a section steel, i.e., it may not be possible to fully exert the functions of water stoppage, earth retaining, etc.
There is a point. In addition, the vibration force from the exciter is applied to the sheet pile.
Above, because it does not apply vibration force from directly above the sheet pile
However, there is a problem that efficiency is poor. The present invention has been made in view of such problems, and an object of the present invention is to improve the workability, workability, and efficiency when hitting a long pile.
An object of the present invention is to provide a pile driving device and a pile driving method that can work efficiently .

[0004]

In order to achieve this object, a pile driving device according to the present invention comprises a work vehicle body having a revolving body above a traveling body, and a boom provided on the revolving body so as to be capable of raising and lowering. At least one arm provided at the tip of the boom, an exciter swingably attached to the tip of the arm, and a pair of chucks provided below and extending below the exciter. A vertical chuck device having a claw, and a horizontal chuck device gripped by the vertical chuck device,
The horizontal chuck device is provided with a fixed frame, a rotating frame rotatably mounted on the fixed frame, and mounted inside the fixed frame and the rotating frame, respectively, and is provided between the steel sheet pile or the H-shaped steel in the lateral direction. Chuck jaws for gripping a portion, fixing means for fixing the rotating frame to the fixed frame, provided on a side portion of the fixed frame,
And having a chucked portion that is gripped by the pair of chuck pawls of said vertical chuck device (請
Claim 1) . Further, the pile driving method of the present invention is directed to the pile driving method of claim 1.
Using the apparatus, when driving a pile made of steel sheet piles or H-shaped steel in the ground, in an intermediate portion of the transverse direction of the pile, the pile driver device
Mounting the horizontal chucking device, turning body on the main body,
Operate the boom and arm and set them at the tip of the arm
Wherein the pair of chuck pawls vertical chuck device grasps the chucked portion of the horizontal chucking device, the pile was
Driving into the ground a by the exciter, after the pile has been to some extent driven, the vertical chuck device removed from the chuck portion of the horizontal chucking device, said grips the top of the pile in the vertical chuck device The pile is driven by an exciter (claim 2).

[0005]

The pile driving device according to the present invention includes a boom and an arm.
When placing piles higher than the maximum height specified by the front , the pile is laterally gripped by the horizontal chucking device of the pile lateral gripping device, and the chucked portion of the lateral gripping device is attached to the arm . It is pinched by the vertical chuck device of the exciter , the exciter is operated to apply vibration to the pile through the horizontal gripping device, and the pile is driven into the ground while operating the front, and the top of the pile is Ki
Once implanted the vertical chuck device exciter depth that can be clamped, remove the lateral pinching device from the pile, the top of the pile can be pouring gripped by the vertical chuck device exciter. In the case of a normal relatively short pile, the pile can be driven vertically by gripping the head of the pile with a vertical chuck device.
In the pile driving method according to the present invention, the horizontal chuck device
Gripping from the start of driving the pile to the depth of the pile
It is only the initial stage until it is driven in,
The vibration force of the shaker is applied to the pile from directly above
Can strike.

[0006]

1 and 2 show an embodiment of a pile driving device according to the present invention. FIG. 1 shows an example using a base machine composed of a hydraulic shovel. Main body 1 of the base machine
Is configured with a revolving superstructure mounted on the upper part of the traveling superstructure. Body
The boom 2 is attached to the hydraulic cylinder 7a for the revolving superstructure that constitutes 1.
Mount more freely, and at the end of the boom 2
Arms 3 and 4 are turned up and down by hydraulic cylinders 7b and 7c
Add and attach freely. Such an articulated front
The tip of the distal arm 4, swingably Ru mounted by hanging the exciter 5 by a pin 6. The vertical chuck device 5a of the vibrator 5 has a pair of chuck claws extending downward.
Because grips the horizontal chuck device 20 by the chuck claws, and performs driving by gripping the sheet pile 12 by the horizontal chuck device 20. FIG. 2 differs from FIG.
The pile shows not the sheet pile 12 but the H-shaped steel 47.

As shown in FIGS . 1 and 2, a horizontal chuck device is provided.
The device 20 is for the chuck of the vertical chuck device 5a .
A chucked portion 24a gripped by claws , a fixed frame 21, and a rotating frame 25 are provided. The chucked portion 24a is a rotating frame 2 of the fixed frame 21.
5 is formed so as to protrude above the tip of the frame 24, which is horizontally protruded from the opposite side of the mounting surface and fixed.

The turning frame 25 is attached to a hinge support 22 reinforced by a reinforcing plate at an upper portion and a lower portion on one end side of the fixed frame 21 so as to be rotatable around a shaft 26. Rotating frame 25 and fixed frame 2
1, the chuck claws 27, 34 so that not only the sheet pile 12 can be sandwiched therebetween as shown in FIG. 1 but also the H-shaped steel 47 as shown in FIG.
Are provided so as to protrude from the frames 25, 21. With this, when the claws 27, 34 are closed, the sheet pile 12 or the H is provided on both sides of the claws 27, 34.
It is configured such that spaces 35 and 36 for accommodating both ends of the mold steel 47 are formed. The chuck claw 27 fixed to the rotating frame 25 includes a fixing plate 27a attached to the rotating frame 25 by bolts 31 and nuts 33.
And a holding plate 27c fixed to the fixing plate 27a via an intermediate member 27b, and between the fixing plate 27a and the rotating frame 25, regardless of the thickness of the sheet pile 12 or the H-shaped steel 47. In order to securely grip the sheet pile 12, a shim 30 having a suitable thickness selected from a plurality of thicknesses is interposed. The claw 34 fixed to the fixed frame 21 includes an intermediate member 34a welded to the fixed frame 21 and a holding plate 34b for holding the pile between the holding member 27c.

Reference numeral 28 designates the rotating frame 25 as the fixed frame 2.
1 is a fastening bolt provided as a means for fixing the rotating frame 25 to the fixing frame 21. The fastening bolt 28 penetrates the fixed frame 21, the sheet pile 12 is interposed between the chuck claws 27 and 34, and the rotating frame 25 is opened. The sheet pile 12 or the H-shaped steel 47 is fixed by turning the nut 28 in the closing direction from the closed state and screwing and fastening the nut 29 to the bolt 28.

[0010] in this way, the sheet pile 12 or H-shaped steel 47
Horizontal chuck device 20 is fixed to an intermediate portion of the transverse, the
Operate the revolving superstructure of the body 1, the boom 2, the arms 3, 4 and drop
With the pair of chuck claws of the straight chuck device 5a,
Holding the chucked portion 24a of the horizontal chuck device 20,
As shown in FIG. 1, the pile is erected and the exciter 5 is operated to drive the sheet pile 12 or the H-shaped steel 47. Thereby, the sheet pile 12 or the H-shaped steel 47 having a length equal to or longer than the maximum height of the vertical chuck device 5a can be driven.

The top of the sheet pile 12 or the H-shaped steel 47 is
When the horizontal chuck device 20 is driven to a depth that can be pinched by the vertical chuck device 5a of the vibration exciter 5, the horizontal chuck device 20 is removed from the sheet pile 12 or the H-shaped steel 47, and the top of the sheet pile 12 or H-shaped steel 47 is removed from the vertical chuck device 5a of the vibration exciter 5. Gripping and starting
The vibration force generated by the vibrator 5 is directly above the sheet pile 12 or the H-shaped steel 47.
Since it can be driven in the state of acting vertically from the
The plate 12 or the H-shaped steel 47 can be driven vertically,
Waterproofing and earth retaining by installing sheet pile 12 or H-shaped steel 47
Functions can be fully exhibited. This allows construction
The sheet pile 12 or the H-shaped steel 47 can be cast with high efficiency , workability and efficiency. When driving a sheet pile 12 or H-shaped steel 47 having a normal length, the horizontal chuck device 2 is used.
By removing the zero , the vertical chuck device 5a grips the top of the sheet pile 12 or the H-shaped steel 47 and performs the placing operation, so that the sheet pile 12 or the H-shaped steel 47 can be efficiently placed.

When practicing the present invention, the chucked portion 24
a is provided on the hinge support 22 at right angles to the above,
The specific structure and procedure can be variously changed and added in addition to the above embodiment.

[0013]

According to the piling apparatus according to claim 1, according to the present invention, the since e Bei a horizontal chucking device for viewing the chucked portion and pile lateral bunch gripped in vertical chuck device is determined by the standard or the like of the base machine If the implantation is performed a greater than or equal to the length of the pile that
Then, use a horizontal chuck to grasp the middle part of the pile in the lateral direction.
The pile to a depth where it can be gripped by the vertical chuck device.
After driving, remove the horizontal chuck device and
The pile is gripped by the device, and the vibration force from the shaker is applied from directly above the pile.
The pile can be driven in the state of acting vertically,
Can be driven vertically.
The function of stopping can be fully exhibited. Also horizontal
A chuck device is used to grip the middle part of the pile in the lateral direction.
The horizontal chuck compared to gripping the top of the pile.
The device is much smaller and more portable. Also,
Can be constructed without increasing the weight of the exciter itself, and
Vibration can be applied to the pile from directly above,
Workability and efficiency are improved. According to the pile driving method of claim 2
If the horizontal chuck is attached to a long pile with fixing means
And the vertical chuck device attached to the tip of the arm.
The long pile was driven to a certain depth by the movement
Then, remove the horizontal chuck device from the vertical chuck device and
Hold the top of the pile with a straight chuck device and apply vibration from directly above
This allows the pile to be driven vertically. That
As a result, long piles can be accurately
It can be driven reliably, and its workability and work
Performance and work efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is a schematic side view of one embodiment of the present invention.

FIG. 2 is a plan view showing a state where an H-section steel is being gripped by the horizontal chuck device of the present embodiment.

[Description of Signs] 1 : Hydraulic excavator body, 2: boom, 3, 4: arm,
5: Exciter , 5a: Vertical chuck device, 6: Pin, 1
2: sheet pile, 20: horizontal chuck device, 21: fixed frame, 24a: chucked portion, 25: rotating frame, 2
7, 34: Claw for chuck, 28: Bolt for fastening, 29:
Nut, 47: H-shaped steel

 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 58-38845 (JP, U) Japanese Utility Model 59-173738 (JP, U) Japanese Utility Model 61-60668 (JP, U) Japanese Utility Model Sho 51- 38306 (JP, U)

Claims (2)

(57) [Claims] 1. A work vehicle having a revolving structure above a traveling structure.
A body , a boom provided on the revolving body so as to be capable of raising and lowering, at least one arm provided at the tip of the boom, and an exciter swingably attached to the tip of the arm;
A vertical chuck device provided below the vibrator and having a pair of chuck claws extending downward, and a horizontal chuck device gripped by the vertical chuck device, the horizontal chuck device includes a fixed frame, A rotating frame rotatably attached to the fixed frame; a chuck claw attached to the inside of the fixed frame and the rotating frame, for gripping an intermediate portion of the steel sheet pile or the H-shaped steel in the lateral direction; Fixing means for fixing a rotating frame to the fixed frame, provided on a side of the fixed frame,
And a chucked portion gripped by a pair of chuck claws of the vertical chuck device. 2. When a pile made of steel sheet pile or H-shaped steel is driven into the ground using the pile driving device according to claim 1 ,
The intermediate portion of the transverse direction of the pile, the attachment of the horizontal chucking device of the pile device, turning body on the main body, boom, by operating the arm, a pair of the vertical chuck device provided on the tip of the arm said gripping the chucked portion of the horizontal chucking device by the chuck pawls, driving the pile into the ground by the exciter, after the pile is somewhat driven, chucked the horizontal chucking device the vertical chuck device A pile driving method, wherein the pile is removed from the pile, the top of the pile is gripped by the vertical chuck device, and the pile is driven by the exciter.