JP2012162905A

JP2012162905A - Pile driver and pile driving method using the same

Info

Publication number: JP2012162905A
Application number: JP2011023624A
Authority: JP
Inventors: Toshio Inoue; 敏男井上; Hiroyasu Yokoyama; 博康横山; Kazuya Tanida; 一也谷田; Kei Mizotsugu; 佳溝次
Original assignee: Chowa Kogyo Co Ltd
Current assignee: Chowa Kogyo Co Ltd
Priority date: 2011-02-07
Filing date: 2011-02-07
Publication date: 2012-08-30
Anticipated expiration: 2031-02-07
Also published as: JP5483739B2

Abstract

PROBLEM TO BE SOLVED: To provide a pile driver of a drive system in which a dedicated driving device for pile holding device is driven by an auxiliary power source comprising an auxiliary motor to be driven by a small capacity battery for the pile holding device and an auxiliary hydraulic pump to be driven by the auxiliary motor or a small-sized motor as a driving source, so as to reduce fuel consumption; and a pile driving method.SOLUTION: A pile driver 1 for transmitting the press-in force or the pull-out force of a press-in and extraction cylinder from a pile holding device 4 to a pile 5, using the vibration force of an exciter 2 or the extraction resistance force of the existing pile as a reaction force, is provided with an exciter driving device 8 or a press-in and extraction cylinder to be driven by the output of a main power source A, a pile holding device 4 to be driven by the output of the main power source A when the exciter driving device 8 or the press-in and extraction cylinder is driven, switching means for stopping operation of the main power source A at the standby time other than pile driving work and switching so that the pile holding device 4 can be driven by the output of a small capacity auxiliary power source D, and a dedicated driving machine for driving the pile holding device 4 by the output of the auxiliary power source D.

Description

本発明は、振動力により又は圧入力により杭や矢板（以下、「杭」と表記する。）を地中に打ち込むか又は引き抜く杭打機に関し、駆動源である発動機の燃料消費量を抑制する駆動システムを備えた杭打機及びそれを用いた杭打工法に関する。 The present invention relates to a pile driving machine that drives or pulls a pile or sheet pile (hereinafter referred to as “pile”) into the ground by vibration force or pressure input, and suppresses fuel consumption of a motor as a driving source. The present invention relates to a pile driving machine including a driving system and a pile driving method using the same.

既製杭を打設する打ち込み機械には、打撃式と振動式と圧入式があり、駆動方式によって大別すると一般的に打撃杭打機は発動式と油圧式、振動杭打機は電気式と油圧式、圧入杭打機は油圧式である。さらに杭を把持する装置は振動杭打機と圧入杭打機が有し、いずれも油圧式である。
振動杭打機は、偏心重錘を電動機又は油圧モータにより回転させて生じる遠心力から得た振動力を杭把持装置を介して杭に伝達して杭を地中に打ち込むか又は引き抜くものである。また、圧入杭打機は、複数台のクランプにより反力受台又は既設杭などの反力受部材を把持して反力受部材の抵抗力を反力とし、圧入引抜シリンダの圧入力又は引抜力を杭把持装置を介して杭に伝達して杭を地中に打ち込むか又は引き抜くものである。 There are two types of driving machines for placing ready-made piles: hammering type, vibration type and press-fitting type. Generally, the driving pile type is divided into the driving type and hydraulic type, and the vibration pile driving machine is electric type. The hydraulic and press-fitting pile driver is hydraulic. Furthermore, the device for gripping the pile includes a vibration pile driver and a press-fit pile driver, both of which are hydraulic.
A vibration pile driver transmits vibration force obtained from centrifugal force generated by rotating an eccentric weight by an electric motor or a hydraulic motor to a pile through a pile gripping device, and drives the pile into the ground or pulls it out. . The press-fitting pile driver holds a reaction force receiving member such as a reaction force receiving base or an existing pile by a plurality of clamps and uses the reaction force receiving member's resistance force as a reaction force. The force is transmitted to the pile through the pile gripping device, and the pile is driven into the ground or pulled out.

図９、図１０は、従来の電動式の振動杭打機１の駆動方式を示す概略図である。図には、主要構成のみを表記し、制御手段、制御ラインなど表記を省略している。図中の点線はエネルギーが供給されている状態を示す。また、図中の同じ構成は同一符号を付している。振動杭打機１は、複数対の偏心重錘３を回転することにより振動を発生する起振機２と、杭を把持する杭把持装置４を備えている。起振機２で発生した振動力が杭把持装置４を介して杭５に伝達され、杭５を地中に打ち込むか又は引き抜く。動力源は、大型の発動機６で構成され、大型の発動機６により発電機７が駆動される。発電機７のエネルギーにより起振機２の偏心重錘３を回転する起振機電動機８により構成される起振機駆動装置を駆動する。さらに、発電機７のエネルギーを杭把持電動機９に供給し、杭把持電動機９により駆動される杭把持油圧ポンプ１０により構成される杭把持駆動装置の杭把持油圧ポンプ１０の油圧エネルギーにより杭把持装置４を駆動する。なお、起振機駆動系の制御手段、杭把持駆動系とその制御手段をユニット化したコントロールユニットＢとしても良い。 9 and 10 are schematic views showing a driving method of the conventional electric vibration pile driving machine 1. In the figure, only main components are shown, and notation such as control means and control lines are omitted. A dotted line in the figure indicates a state where energy is supplied. Moreover, the same code | symbol is attached | subjected to the same structure in a figure. The vibration pile driving machine 1 includes an exciter 2 that generates vibration by rotating a plurality of pairs of eccentric weights 3 and a pile gripping device 4 that grips the pile. The vibration force generated by the vibrator 2 is transmitted to the pile 5 through the pile gripping device 4, and the pile 5 is driven into the ground or pulled out. The power source is composed of a large motor 6, and the generator 7 is driven by the large motor 6. An exciter drive device configured by an exciter motor 8 that rotates the eccentric weight 3 of the exciter 2 is driven by the energy of the generator 7. Further, the energy of the generator 7 is supplied to the pile gripping motor 9, and the pile gripping device is driven by the hydraulic energy of the pile gripping hydraulic pump 10 of the pile gripping hydraulic pump 10 configured by the pile gripping hydraulic pump 10 driven by the pile gripping motor 9. 4 is driven. In addition, it is good also as the control unit B which unitized the control means of the exciter drive system, the pile holding drive system, and the control means.

図１０は、図９に示される従来の電動式の振動杭打機１の起振機電動機８が停止している状態の駆動方式を示すものである。大型の発動機６で駆動される発電機７のエネルギーを杭把持電動機９に供給し、杭把持油圧ポンプ１０により杭把持装置４を駆動する。 FIG. 10 shows a drive system in a state where the exciter motor 8 of the conventional electric vibration pile driving machine 1 shown in FIG. 9 is stopped. The energy of the generator 7 driven by the large motor 6 is supplied to the pile gripping motor 9, and the pile gripping device 4 is driven by the pile gripping hydraulic pump 10.

図１１、図１２は、従来の油圧式の振動杭打機１の駆動方式を示す概略図である。図１１、図１２は、前記図９、図１０と同様に主要構成のみを表記したものである。起振機２の偏心重錘３を起振機油圧モータ１１で駆動する油圧駆動方式では、動力源は大型の発動機６で構成され、大型の発動機６は、油圧ポンプ１３及び１０を駆動する。大型の発動機６で駆動される起振機油圧ポンプ１３の油圧エネルギーにより起振機２の偏心重錘３を回転する起振機油圧モータ１１により構成される起振機駆動装置を駆動する。さらに、大型の発動機６で駆動される発電機７のエネルギーを杭把持電動機９に供給し、杭把持電動機９により駆動される杭把持油圧ポンプ１０により構成される杭把持駆動装置の杭把持油圧ポンプ１０の油圧エネルギーにより杭把持装置４を駆動する。動力源、起振機駆動系とその制御手段（図示せず）、杭把持駆動系とその制御手段（図示せず）をユニット化したパワーユニットＣとする。 FIG. 11 and FIG. 12 are schematic diagrams showing a driving method of the conventional hydraulic vibration pile driving machine 1. 11 and 12 show only the main components as in FIGS. 9 and 10. In the hydraulic drive system in which the eccentric weight 3 of the exciter 2 is driven by the exciter hydraulic motor 11, the power source is composed of a large motor 6, and the large motor 6 drives the hydraulic pumps 13 and 10. To do. An exciter drive device configured by an exciter hydraulic motor 11 that rotates the eccentric weight 3 of the exciter 2 is driven by hydraulic energy of the exciter hydraulic pump 13 driven by the large generator 6. Further, the energy of the generator 7 driven by the large motor 6 is supplied to the pile gripping motor 9, and the pile gripping hydraulic pressure of the pile gripping drive device configured by the pile gripping hydraulic pump 10 driven by the pile gripping motor 9 is used. The pile gripping device 4 is driven by the hydraulic energy of the pump 10. A power unit C including a power source, an exciter drive system and its control means (not shown), a pile gripping drive system and its control means (not shown) as a unit.

図１２は、図１１に示される従来の油圧式の振動杭打機１の起振機用油圧モータ１１が停止している状態の駆動方式を示すものである。大型の発動機６で駆動される杭把持油圧ポンプ１０の油圧エネルギーにより杭把持装置４を駆動する。 FIG. 12 shows a drive system in a state where the exciter hydraulic motor 11 of the conventional hydraulic vibration pile driver 1 shown in FIG. 11 is stopped. The pile gripping device 4 is driven by the hydraulic energy of the pile gripping hydraulic pump 10 driven by the large motor 6.

図９ないし図１２に示される振動杭打機の従来例では、１台の杭把持装置４が１本の杭５を把持していたが、特許文献１に示されるように、複数台の振動杭打機を１本の大口径で大型の杭に装着し、その複数台の振動杭打機を機械的に同期運転する技術も公知である。この場合は、振動杭打機１台に大型の発動機が１台接続されている。 In the conventional example of the vibration pile driving machine shown in FIG. 9 to FIG. 12, one pile gripping device 4 grips one pile 5. A technique is also known in which a pile driver is mounted on a large pile with a single large diameter, and a plurality of vibration pile drivers are mechanically synchronized. In this case, one large motor is connected to one vibration pile driver.

図１３、図１４は、従来の圧入杭打機２０の駆動方式を示す概略図である。図１３、図１４は、前記図９〜図１２と同様に主要構成のみを表記したものである。 13 and 14 are schematic views showing a driving method of the conventional press pile driver 20. FIGS. 13 and 14 show only the main components as in FIGS. 9 to 12.

圧入杭打機２０は、反力受台や既設杭等の反力受部材を把持するクランプ２２を備えたサドル２３と、サドル２３に対して水平方向にスライド可能なスライド部２４と、スライド部に対して旋回可能なリーダマスト２５を備えている。リーダマスト２５に、圧入部３０を構成する圧入引抜シリンダ２１と杭把持装置４とが上下動可能に支持される。圧入杭打機２０の動力源は、大型の発動機６で構成され、大型の発動機６で油圧ポンプ２７、２８、及び２９を駆動する。前記油圧式振動杭打機と同様に動力源、圧入機駆動系とその制御手段、杭把持駆動系とその制御手段をユニット化したパワーユニットＥとする。大型の発動機６により駆動される圧入引抜シリンダ油圧ポンプ２７の油圧エネルギーにより圧入引抜シリンダ２１を駆動する。圧入引抜シリンダ２１の駆動中、大型の発動機６により駆動される杭把持油圧ポンプ２８二より構成される杭把持駆動装置の杭把持油圧ポンプ２８の油圧エネルギーにより杭把持装置４を駆動する。圧入引抜シリンダ２１の駆動中、大型の発動機６により駆動されるクランプ油圧ポンプ２９により構成されるクランプ駆動装置のクランプ油圧ポンプ２９の油圧エネルギーによりクランプ２２を駆動する。 The press-fitting pile driver 20 includes a saddle 23 provided with a clamp 22 for gripping a reaction force receiving member such as a reaction force receiving base or an existing pile, a slide portion 24 slidable in the horizontal direction with respect to the saddle 23, and a slide portion Is provided with a leader mast 25 that can be turned relative to the head. The leader mast 25 supports the press-fitting / drawing cylinder 21 and the pile gripping device 4 constituting the press-fitting portion 30 so as to be movable up and down. The power source of the press-fitting pile driver 20 is composed of a large-sized engine 6, and the large-sized engine 6 drives the hydraulic pumps 27, 28, and 29. Similarly to the hydraulic vibration pile driver, a power unit, a press-fitting machine drive system and its control means, and a pile gripping drive system and its control means are unitized into a power unit E. The press-in / pull-out cylinder 21 is driven by the hydraulic energy of the press-in / pull-out cylinder hydraulic pump 27 driven by the large motor 6. During the driving of the press-fit pull-out cylinder 21, the pile gripping device 4 is driven by the hydraulic energy of the pile gripping hydraulic pump 28 of the pile gripping hydraulic pump 28 constituted by the pile gripping hydraulic pump 28 driven by the large motor 6. During the driving of the press-in / draw-out cylinder 21, the clamp 22 is driven by the hydraulic energy of the clamp hydraulic pump 29 of the clamp drive device constituted by the clamp hydraulic pump 29 driven by the large-sized engine 6.

図１４は、従来の圧入杭打機２０の圧入引抜シリンダ２１が停止している状態の駆動方式を示す概略図である。圧入引抜シリンダ２１の駆動停止中、大型の発動機６により杭把持油圧ポンプ２８とクランプ油圧ポンプ２９が駆動され、杭把持装置４とクランプ２２を駆動する。 FIG. 14 is a schematic view showing a drive system in a state where the press-fitting / pulling cylinder 21 of the conventional press-fitting pile driver 20 is stopped. While driving of the press-fitting cylinder 21 is stopped, the large-sized engine 6 drives the pile gripping hydraulic pump 28 and the clamp hydraulic pump 29 to drive the pile gripping device 4 and the clamp 22.

特開平１０−２９８９９０号公報JP-A-10-298990

杭の打設地点における全作業時間の中で、杭に振動力又は圧入力を与えて地中に貫入させる杭打ち作業時間の割合が一般に少なく杭打ち作業以外の杭の位置決めや計測作業、継手合わせ等の待機時間が長い。この杭打ち作業時間率は一般に５０％〜６０％程度である。
さらに、杭打機のエネルギーは、杭に振動力又は圧入力を与えて杭を貫入するための貫入エネルギーと杭を把持するために杭把持装置やクランプに圧力油を与えるための杭把持エネルギーに大別される。これら双方のエネルギー源は１台の大型の発動機６である。 Of the total work time at the pile placement site, the ratio of pile driving time to give the pile a vibration force or pressure input to penetrate into the ground is generally small, and pile positioning and measurement work other than pile driving work, joints Long waiting time for matching. This pile driving time rate is generally about 50% to 60%.
Furthermore, the energy of the pile driver is divided into the penetration energy for penetrating the pile by giving vibration force or pressure input to the pile, and the pile gripping energy for giving pressure oil to the pile gripping device and clamp to grip the pile. Broadly divided. Both of these energy sources are a single large motor 6.

起振機や圧入引抜シリンダの時間当たりのエネルギー消費量は、杭の貫入に対する地盤等の抵抗力や、杭の断面積の大きさや長さにより、また公害防止のための杭打機の出力を定格以下に抑えたり、打ち始めの地盤が軟らかい場合には杭の鉛直度を安定させるために杭を徐々に貫入させることにより変化するが、杭の貫入エネルギーに比して、杭を把持するための時間当たりのエネルギー消費量は著しく少ない。作業条件によっても変化するが、一般に数％程度である。 The energy consumption per hour of the exciter and press-fitting cylinder depends on the resistance of the ground to the penetration of the pile, the size and length of the cross-sectional area of the pile, and the output of the pile driver to prevent pollution. In order to hold the pile in comparison with the penetration energy of the pile, it changes by gradually penetrating the pile to stabilize below the rating or when the ground at the beginning of the pile is soft, to stabilize the verticality of the pile. The energy consumption per hour is extremely low. Although it varies depending on the working conditions, it is generally about several percent.

振動杭打機１や圧入杭打機２０で杭打作業（引抜作業）を実施する際、杭に振動力や圧入力を伝達するために杭把持装置４により杭５を把持する必要があり、杭の位置決めや計測作業、継手合わせ等の作業中は、杭打作業以外の待機時間において振動杭打機又は圧入杭打機が休止中であっても、杭把持装置４により杭５を継続して把持する必要がある。
図９、図１０に示した電動式振動杭打機の場合、杭把持装置４による杭５の把持を継続するためには大型の発動機６と発電機７を運転し続けて杭把持油圧ポンプ１０を駆動させる必要がある。一般的な電動式の振動杭打機１の起振機電動機８の出力と杭把持電動機９の出力及び発電機７の出力を次の表１に示す。 When carrying out the pile driving work (drawing work) with the vibration pile driving machine 1 or the press-fitting pile driving machine 20, it is necessary to hold the pile 5 with the pile holding device 4 in order to transmit vibration force and pressure input to the pile. During work such as pile positioning, measurement work, joint fitting, etc., the pile 5 is continued by the pile gripping device 4 even when the vibration pile driving machine or press-fitting pile driving machine is in a stand-by time other than the pile driving work. Need to be gripped.
In the case of the electric vibration pile driving machine shown in FIGS. 9 and 10, in order to continue the holding of the pile 5 by the pile holding device 4, the large-sized engine 6 and the generator 7 are continuously operated and the pile holding hydraulic pump is operated. 10 needs to be driven. The output of the exciter motor 8, the output of the pile gripping motor 9, and the output of the generator 7 of the general electric vibration pile driver 1 are shown in Table 1 below.

（表１）
┌─────────┬─────────┬────────┐
│ 起振機電動機出力 │ 杭把持電動機出力 │ 発電機出力 │
├─────────┼─────────┼────────┤
│ ４５ｋＷ │ ３．７ｋＷ │ １２０ｋＷ │
├─────────┼─────────┼────────┤
│ ６０ｋＷ │ ３．７ｋＷ │ １６０ｋＷ │
├─────────┼─────────┼────────┤
│ ９０ｋＷ │ ５．５ｋＷ │ ２４０ｋＷ │
├─────────┼─────────┼────────┤
│ １２０ｋＷ │ ５．５ｋＷ │ ３２０ｋＷ │
├─────────┼─────────┼────────┤
│ １８０ｋＷ │ １１ｋＷ │ ４８０ｋＷ │
├─────────┼─────────┼────────┤
│ ２４０ｋＷ │ １５ｋＷ │ ６４０ｋＷ │
└─────────┴─────────┴────────┘
大型の発動機６は、発電機７を介して起振機電動機８を駆動するための大容量のものであるが、待機時間中は小容量の杭把持電動機９を介して杭把持油圧ポンプ１０のみを駆動するため、大型の発動機６は著しく低負荷率で運転される。一般にその負荷率は数％である。 (Table 1)
┌─────────┬─────────┬────────┐
│ Exciter motor output │ Pile gripping motor output │ Generator output │
├─────────┼─────────┼────────┤
│ 45kW │ 3.7kW │ 120kW │
├─────────┼─────────┼────────┤
│ 60 kW │ 3.7 kW │ 160 kW │
├─────────┼─────────┼────────┤
│ 90 kW │ 5.5 kW │ 240 kW │
├─────────┼─────────┼────────┤
│ 120kW │ 5.5kW │ 320kW │
├─────────┼─────────┼────────┤
│ 180 kW │ 11 kW │ 480 kW │
├─────────┼─────────┼────────┤
│ 240 kW │ 15 kW │ 640 kW │
└─────────┴─────────┴────────┘
The large-sized motor 6 has a large capacity for driving the exciter motor 8 via the generator 7, but during the standby time, the pile gripping hydraulic pump 10 via the small capacity pile gripping motor 9 is used. The large motor 6 is operated at a significantly low load factor. In general, the load factor is several percent.

図１１、図１２に示した油圧式振動杭打機の場合も同様に、待機時間中に杭把持装置４による杭の把持を維持するため、杭把持油圧ポンプ１０を駆動する必要が有り、大型の発動機６を運転し続けなければならない。
大型の発動機６は、起振機油圧ポンプ１３を駆動するための大容量のものであるが、待機時間中は小容量の杭把持油圧ポンプ１０のみを駆動するため、大型の発動機６は著しく低負荷率で運転される。一般にその負荷率は数％である。 Similarly, in the case of the hydraulic vibration pile driving machine shown in FIGS. 11 and 12, it is necessary to drive the pile gripping hydraulic pump 10 in order to maintain the pile gripping by the pile gripping device 4 during the standby time. The engine 6 must continue to operate.
The large motor 6 has a large capacity for driving the exciter hydraulic pump 13, but only the small capacity pile gripping hydraulic pump 10 is driven during the standby time. Operates at a significantly lower load factor. In general, the load factor is several percent.

図１３、図１４に示した油圧式の圧入杭打機２０の場合も同様に、待機時間中に杭把持装置４による杭５の把持とクランプ２２による反力受部材の把持を維持するため、杭把持油圧ポンプ２８とクランプ油圧ポンプ２９を駆動する必要が有り、大型の発動機６を運転し続けなければならない。
大型の発動機６は、圧入引抜シリンダ油圧ポンプ２７を駆動するための大容量のものであるが、待機時間中は小容量の杭把持装置４及びクランプ２２による杭５及び反力受部材の把持を継続するためにそれぞれの油圧シリンダを駆動するため、大型の発動機６は著しく低負荷率で運転される。一般にその負荷率は数％である。 Similarly, in the case of the hydraulic press-fitting pile driver 20 shown in FIGS. 13 and 14, in order to maintain the holding of the pile 5 by the pile holding device 4 and the holding of the reaction force receiving member by the clamp 22 during the standby time, It is necessary to drive the pile gripping hydraulic pump 28 and the clamp hydraulic pump 29, and the large-sized engine 6 must be continuously operated.
The large-sized motor 6 has a large capacity for driving the press-fitting / pulling cylinder hydraulic pump 27, but grips the pile 5 and the reaction force receiving member by the small-capacity pile gripping device 4 and the clamp 22 during the standby time. In order to continue the operation, each hydraulic cylinder is driven, so that the large-sized motor 6 is operated at a significantly low load factor. In general, the load factor is several percent.

以上のように従来例の杭打機においては、電動式振動杭打機、油圧式振動杭打機、油圧式圧入杭打機であっても、待機時間中に大型の動力源を低負荷率で運転し続けなければならない。
例えば、上記表１に示されるように、起振機電動機８の出力は４５ｋＷ〜２４０ｋＷに対して、所要の発電機７の容量は、１２０ｋＷ〜６４０ｋＷとなる（土の抵抗力に打ち勝って杭を土中に打ち込む、又は土中から引き抜くためには電動機の起動トルク及び停動トルクを大きくする必要があり、電動機の起動には定格出力の３倍程度の動力が必要であるため）。それに対して、杭把持電動機９の出力は、３．７ｋＷ〜１５ｋＷ程度でしかない。つまり、杭打作業以外の待機時間帯には、小さな杭把持電動機９の動力源として大きな動力源を駆動していることになる。このときの大型の発動機６の負荷率はわずか数％であり、この状態における燃料消費量の無駄は極めて大きい。大型の発動機６を運転すると、軸受・ピストン・冷却機構などの摩擦損失を生じるが、これらの摩擦損失は発動機６が大型化するほど大きくなる。このため、大容量の発動機６を低負荷率で運転するほど燃料消費効率が悪化し燃料が無駄に消費される。 As described above, in the conventional pile driving machine, even if it is an electric vibration pile driver, a hydraulic vibration pile driver, or a hydraulic press pile driver, a large power source is reduced during the standby time. You must keep driving at.
For example, as shown in Table 1 above, the output of the exciter motor 8 is 45 kW to 240 kW, and the required capacity of the generator 7 is 120 kW to 640 kW. (In order to drive into or out of the soil, it is necessary to increase the starting torque and stopping torque of the motor, and starting the motor requires about three times the rated output power). On the other hand, the output of the pile gripping motor 9 is only about 3.7 kW to 15 kW. That is, a large power source is driven as a power source of the small pile gripping motor 9 during the standby time period other than the pile driving operation. At this time, the load factor of the large motor 6 is only a few percent, and the waste of fuel consumption in this state is extremely large. When the large-sized motor 6 is operated, friction losses such as bearings, pistons, and cooling mechanisms are generated. These friction losses increase as the motor 6 increases in size. For this reason, the fuel consumption efficiency deteriorates as the large-capacity motor 6 is operated at a low load factor, and the fuel is wasted.

本発明は、上記従来の問題を解決するものであって、簡単な構成で、燃料消費量を抑制することが可能な駆動方式を備えた杭打機とそれを用いた杭打工法を提供することを目的とする。 The present invention solves the above-described conventional problems, and provides a pile driving machine equipped with a drive system capable of suppressing fuel consumption with a simple configuration and a pile driving method using the same. For the purpose.

本発明の杭打機は、前記課題を解決するために、起振機からの振動力を杭把持装置を介して杭に伝達する杭打機において、主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、小容量の補助動力源からの出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源からの出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする。
なお、「杭打ち作業以外の待機時」とは、
（１）杭把持後の待機時間として、
杭の運搬・移動や、杭の位置決めや計測、杭の継手合わせ等の杭の建込み作業する時間。
（２）杭打完了後の待機時間として、
杭の貫入量の計測、杭打込み位置の確認のための計測、杭打込み姿勢の確認のための計測の時間。
（３）確認計測完了後の待機時間として、
継手部の溶接作業の時間等の起振機駆動装置が停止している時間全般を意味するものである。 In order to solve the above problems, the pile driving machine of the present invention is a pile driving machine that transmits a vibration force from a vibration generator to a pile through a pile gripping device, and is driven by an output of a main power source. Machine driving device, pile driving device driven by the output of the main power source when driving the exciter driving device, and stopping the operation of the main power source during standby other than pile driving work, Switching means for switching so that the pile gripping device is driven by the output from the auxiliary power source, and a dedicated drive unit for driving the pile gripping device by the output from the auxiliary power source.
In addition, "in standby other than pile driving work"
(1) As a waiting time after pile gripping,
Pile construction time such as pile transportation and movement, pile positioning and measurement, and pile joint alignment.
(2) As a waiting time after completion of pile driving,
Time to measure pile penetration, measurement to check pile driving position, and check pile driving posture.
(3) As waiting time after completion of confirmation measurement,
This means the overall time during which the exciter drive unit is stopped, such as the time for welding the joint.

また、本発明の杭打機は、ベース部材上に１つ又は複数の起振機を取付け、前記ベース部材の下部に１つ又は複数の杭把持装置を取付け、起振機の振動力を杭把持装置を介して杭に伝達する杭打機において、前記１つ又は複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記１つ又は複数の起振機毎に配置される小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする。 Moreover, the pile driving machine of the present invention has one or more vibrators mounted on the base member, one or more pile gripping devices attached to the lower portion of the base member, and the vibration force of the vibrator is piled. In a pile driving machine that transmits to a pile via a gripping device, an exciter drive device that is driven by an output of a main power source arranged for each of the one or more exciters, and the exciter drive device When driving, the pile gripping device driven by the output of the main power source, and during standby other than the pile driving operation, the operation of the main power source is stopped and arranged for each of the one or more vibrators. Switching means for switching to drive the pile gripping device by the output of the auxiliary power source having a small capacity, and a dedicated drive unit for driving the pile gripping device by the output of the auxiliary power source. .

また、本発明の杭打機は、反力受けを圧入又は引抜き反力とした圧入引抜シリンダの圧入力又は引抜力を杭把持装置を介して杭に伝達する杭打機において、主動力源の出力により駆動される圧入引抜シリンダと、前記圧入引抜シリンダの駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする。
なお、圧入作業時の「杭打ち作業以外の待機時」とは、
（４）杭把持後の待機時間として、
前進又は後退時の自走時、サドルの移動時、マストの旋回時、杭の位置決めや計測、杭の継手合わせ等の杭の建込み作業する時間。
（５）杭打完了後の待機時間として、
杭の貫入量の計測、杭打込み位置の確認のための計測、杭打込み姿勢の確認のための計測の時間。
（６）確認計測完了後の待機時間として、
継手部の溶接作業の時間等の圧入部が停止している時間全般を意味するものである。 Further, the pile driving machine of the present invention is a pile driving machine that transmits the pressure input or drawing force of a press-fitting and pulling cylinder with a reaction force receiver as a press-fitting or drawing reaction force to a pile through a pile gripping device. Press-and-pull cylinder driven by output, Pile gripping device driven by output of main power source during driving of press-fit and pull-out cylinder, and stop operation of main power source during standby other than pile driving work A switching means for switching to drive the pile gripping device by an output of a small-capacity auxiliary power source; and a dedicated drive for driving the pile gripping device by an output of the auxiliary power source. .
In addition, "at the time of standby other than pile driving work" at the time of press-fitting work,
(4) As a waiting time after pile gripping,
Time for pile construction such as self-propelled forward or backward movement, saddle movement, mast turning, pile positioning and measurement, and pile joint alignment.
(5) As waiting time after completion of pile driving,
Time to measure pile penetration, measurement to check pile driving position, and check pile driving posture.
(6) As a waiting time after completion of confirmation measurement,
This means the overall time during which the press-fitted part is stopped, such as the welding work time of the joint.

また、本発明の杭打機は、前記補助動力源を、バッテリー又は小型な発動機とすることを特徴とする。 Moreover, the pile driving machine of the present invention is characterized in that the auxiliary power source is a battery or a small motor.

また、本発明の杭打工法は、主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、バッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする。 The pile driving method of the present invention includes an exciter drive device driven by an output of a main power source, and a pile gripping device driven by an output of the main power source when the exciter drive device is driven. A switching means for stopping the operation of the main power source during standby other than the pile driving work, and switching to drive the pile gripping device by the output of a small capacity auxiliary power source consisting of a battery or a small motor; And a dedicated driving machine that drives the pile gripping device by the output of the auxiliary power source, and using a pile driving machine that transmits the vibration force of the vibrator to the pile via the pile gripping device, the pile to the ground It is characterized by being driven or pulled out.

また、本発明の杭打工法は、ベース部材上に１つ又は複数の起振機を取付け、前記ベース部材の下部に１つ又は複数の杭把持装置を取付け、前記１つ又は複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記１つ又は複数の起振機毎に配置されるバッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする。 In the pile driving method of the present invention, one or a plurality of vibrators are attached on a base member, one or a plurality of pile gripping devices are attached to a lower part of the base member, and the one or a plurality of vibration generators are attached. An exciter drive device driven by the output of the main power source arranged for each machine, a pile gripping device driven by the output of the main power source when driving the exciter drive device, and a pile driving work During the standby period other than the above, the operation of the main power source is stopped, and the pile gripping device is output by the output of a small capacity auxiliary power source comprising a battery or a small motor arranged for each of the one or a plurality of vibrators A pile that includes a switching means for switching to drive and a dedicated drive that drives the pile gripping device by the output of the auxiliary power source, and transmits the vibration force of the vibrator to the pile via the pile gripping device It is characterized by driving or pulling the pile into the ground using a hammer. .

また、本発明の杭打工法は、複数の起振機を自在継手付駆動軸で連結して大口径の杭に杭把持装置を介して取付け、前記複数の起振機毎に配置される主動力源の出力により同期駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記複数の起振機毎に配置されるバッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、前記複数の起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、打ち込み負荷の大きさに対応して電気的に同期運転される前記主動力源の運転台数を増減して杭を地中へ打込むか又は引抜くことを特徴とする。 Further, the pile driving method of the present invention includes a plurality of vibrators connected by a drive shaft with a universal joint, attached to a large-diameter pile via a pile gripping device, and arranged mainly for each of the plurality of vibrators. An exciter driving device driven synchronously by the output of the power source, a pile gripping device driven by the output of the main power source at the time of driving the exciter driving device, and a standby time other than the pile driving work, Switching means for stopping operation of the main power source and switching to drive the pile gripping device by an output of a small capacity auxiliary power source comprising a battery or a small motor arranged for each of the plurality of vibrators; And a dedicated driving machine that drives the pile gripping device by the output of the auxiliary power source, and driving using a pile driving machine that transmits the vibration force of the plurality of vibrators to the pile via the pile gripping device Of the main power source that is electrically synchronously operated in accordance with the magnitude of the load. Rolling the number of increased or decreased and wherein the striking or pulling it into the ground stakes.

また、本発明の杭打工法は、主動力源の出力により駆動される圧入引抜シリンダと、前記圧入引抜シリンダの駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、バッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、反力受けを圧入又は引抜反力とした圧入引抜シリンダの圧入力又は引抜力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする。 Further, the pile driving method of the present invention includes a press-fit pulling cylinder driven by an output of a main power source, a pile gripping device driven by an output of the main power source when driving the press-fit pulling cylinder, and a pile driving work Switching means for stopping operation of the main power source during standby, and switching to drive the pile gripping device by the output of a small capacity auxiliary power source consisting of a battery or a small motor, and the auxiliary power source And a dedicated drive for driving the pile gripping device by the output of the pile, and transmitting the pressure input or pulling force of the press-fitting pulling cylinder with the reaction force receiver as a press-fitting or pulling reaction force to the pile via the pile gripping device It is characterized by driving or pulling the pile into the ground using a hammer.

起振機の振動力を杭把持装置を介して杭に伝達する杭打機及び反力受けを圧入又は引抜反力とした圧入引抜シリンダの圧入力又は引抜き力を杭把持装置を介して杭に伝達する杭打機において、杭打作業時以外の待機時間中に大容量の主動力源の運転を停止し、小容量の補助動力源による駆動のみで杭を把持するので燃料消費量を大幅に削減することが可能となる。
ベース部材上に１つ又は複数の起振機を取付け、前記ベース部材の下部に１つ又は複数の杭把持装置を取付け、起振機からの振動力を杭把持装置を介して杭に伝達する杭打機において、前記１つ又は複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記１つ又は複数の起振機毎に配置される小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源からの出力により前記杭把持装置を駆動する専用駆動機と、を備えることで、杭打作業時以外の待機時間中に大容量の主動力源の運転を停止し、小容量の補助動力源の運転のみで杭を把持するので燃料消費量を大幅に削減することが可能となる。
補助動力源を、バッテリー又は小型な発動機からなる小容量のものとすることで、補助動力源をバッテリーとする場合、発電機からの交流電源を直流電源に変換してバッテリーに充電する。又は、作業車両に搭載のバッテリー及び充電制御部を使用することが可能となる。補助動力源を小型な発動機とすることで設置スペースを小さくすることが可能になる。
前記の杭打機を用いて杭を地中へ打込むか又は引抜く工法を採用することで、杭打作業時以外の待機時間中に大容量の主動力源の運転を停止し、小容量の補助動力源による駆動のみで杭を把持するので燃料消費量を大幅に削減することが可能となる。
また、複数の起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、打ち込み負荷の大きさに対応して電気的に同調運転される複数の主動力源の運転台数を増減して大口径の杭を地中へ打込むことで、打ち込み負荷が小さい場合、電気的に同期運転される主動力源の運転台数を減らすことができるので燃料消費量を大幅に削減することが可能になる。 A pile driving machine that transmits the vibration force of the vibrator to the pile via the pile gripping device and the pressure input or pulling force of the press-fitting cylinder that uses the reaction force receiver as a press-fitting or drawing reaction force to the pile via the pile gripping device In the transmitting pile driver, the operation of the large-capacity main power source is stopped during the standby time other than during the pile driving operation, and the pile is gripped only by driving with the small-capacity auxiliary power source, so the fuel consumption is greatly increased. It becomes possible to reduce.
One or more vibrators are attached on the base member, one or more pile gripping devices are attached to the lower part of the base member, and the vibration force from the vibrator is transmitted to the piles via the pile gripping device. In the pile driver, an exciter drive device driven by an output of a main power source arranged for each of the one or more exciters, and when the exciter drive device is driven, The pile gripping device driven by the output and the output of the small-capacity auxiliary power source arranged for each of the one or the plurality of vibrators during the standby other than the pile driving operation, the operation of the main power source is stopped. Switching means for switching to drive the pile gripping device, and a dedicated drive machine for driving the pile gripping device by the output from the auxiliary power source, so that during a waiting time other than during pile driving work Stop the operation of the large-capacity main power source and operate the small-capacity auxiliary power source Since gripping the pile by themselves and it is possible to significantly reduce fuel consumption.
When the auxiliary power source is a battery having a small capacity composed of a battery or a small motor, when the auxiliary power source is a battery, the AC power from the generator is converted into a DC power and the battery is charged. Alternatively, it is possible to use a battery and a charge control unit mounted on the work vehicle. By making the auxiliary power source a small motor, the installation space can be reduced.
By adopting a method of driving or pulling a pile into the ground using the above pile driver, the operation of a large-capacity main power source is stopped during a standby time other than during the pile driving work, and a small capacity Since the pile is gripped only by driving with the auxiliary power source, fuel consumption can be greatly reduced.
Also, using a pile driving machine that transmits the vibration force of multiple vibrators to the pile via the pile gripping device, operation of multiple main power sources that are electrically tuned according to the magnitude of the driving load By increasing or decreasing the number of units and driving large-diameter piles into the ground, when the driving load is small, the number of operating main power sources that are electrically synchronized can be reduced, greatly reducing fuel consumption. It becomes possible to do.

本発明の電動式の振動杭打機の起振機を駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the vibrator of the electric vibration pile driving machine of this invention. 本発明の電動式の振動杭打機の杭打ち作業以外の待機時の状態を示す概略図である。It is the schematic which shows the state at the time of standby other than the pile driving operation | work of the electric vibration pile driving machine of this invention. 本発明の油圧式の振動杭打機の起振機を駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the vibrator of the hydraulic vibration pile driving machine of this invention. 本発明の油圧式の振動杭打機の杭打ち作業以外の待機時の状態を示す概略図である。It is the schematic which shows the state at the time of standby other than the pile driving work of the hydraulic vibration pile driving machine of this invention. （ａ）（ｂ）（ｃ）は、本発明の振動杭打機をベース部材に取付ける複数例を示す概略図である。(A) (b) (c) is the schematic which shows the multiple example which attaches the vibration pile driving machine of this invention to a base member. 本発明の振動杭打機をベース部材に複数取り付けた状態を示す概略図である。It is the schematic which shows the state which attached multiple vibration pile driving machines of this invention to the base member. 本発明の油圧式圧入杭打機の圧入引抜シリンダを駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the press-fitting extraction cylinder of the hydraulic press-fitting pile driver of this invention. 本発明の油圧式圧入杭打機の杭打ち作業以外の待機時の状態を示す概略図である。It is the schematic which shows the state at the time of standby other than the pile driving work of the hydraulic press-fitting pile driver of this invention. 従来の電動式の振動杭打機の起振機を駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the vibrator of the conventional electric vibration pile driving machine. 従来の電動式の振動杭打機の杭打ち作業以外の待機時の状態を示す概略図である。It is the schematic which shows the state at the time of standby other than the pile driving operation of the conventional electric vibration pile driver. 従来の油圧式の振動杭打機の起振機を駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the vibrator of the conventional hydraulic vibration pile driving machine. 従来の油圧式の振動杭打機の杭打ち作業以外の待機時の状態を示す概略図であるIt is the schematic which shows the state at the time of standby other than the pile driving work of the conventional hydraulic vibration pile driver 従来の油圧式圧入杭打機の圧入引抜シリンダを駆動している状態を示す概略図である。It is the schematic which shows the state which is driving the press-fitting extraction cylinder of the conventional hydraulic press-fitting pile driver. 従来の油圧式圧入杭打機の杭打ち作業以外の待機時の状態を示す概略図である。It is the schematic which shows the state at the time of standby other than the pile driving operation of the conventional hydraulic press pile driver.

本発明の実施形態を図により説明する。図１は、本発明の電動式の振動杭打機１の起振機２を駆動している状態を示す概略図である。図には、主要構成のみを表記し、制御手段、制御ラインなど表記を省略している。図中の点線はエネルギーが供給されている状態を示す。 An embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a schematic view showing a state in which a vibration generator 2 of an electric vibration pile driving machine 1 according to the present invention is being driven. In the figure, only main components are shown, and notation such as control means and control lines are omitted. A dotted line in the figure indicates a state where energy is supplied.

杭５を地中に打ち込む振動杭打機１は、一対の偏心重錘３からなる起振機２と、杭５を把持する杭把持装置４を備える。起振機２は、一対の偏心重錘３を逆回転させ、各軸上で発生する遠心力を上下方向の振動力とする。起振機２の振動は、杭把持装置４を介して杭５に伝達され杭５を地中に打ち込む。起振機２には、偏心重錘３を回転駆動する起振機電動機８を備えている。主動力源Ａは、大型の発動機６で構成される。大型の発動機６で発電機７が駆動される。発電機７からのエネルギーにより、起振機２の偏心重錘３を回転する起振機電動機８を駆動する。さらに、起振機電動機８の駆動時、発電機７のエネルギーは杭把持電動機９に供給され、杭把持電動機９で駆動される杭把持油圧ポンプ１０からの油圧エネルギーにより杭把持装置４を駆動する。 The vibration pile driving machine 1 for driving the pile 5 into the ground includes a vibrator 2 composed of a pair of eccentric weights 3 and a pile gripping device 4 for gripping the pile 5. The vibrator 2 rotates the pair of eccentric weights 3 in the reverse direction, and the centrifugal force generated on each axis is used as the vertical vibration force. The vibration of the vibrator 2 is transmitted to the pile 5 through the pile gripping device 4 and drives the pile 5 into the ground. The exciter 2 includes an exciter motor 8 that rotationally drives the eccentric weight 3. The main power source A is composed of a large motor 6. A generator 7 is driven by a large motor 6. The exciter motor 8 that rotates the eccentric weight 3 of the exciter 2 is driven by the energy from the generator 7. Further, when the exciter motor 8 is driven, the energy of the generator 7 is supplied to the pile gripping motor 9 and the pile gripping device 4 is driven by the hydraulic energy from the pile gripping hydraulic pump 10 driven by the pile gripping motor 9. .

主動力源Ａと別に小容量の補助動力源１４を設置する。小容量の補助動力源１４は、充電制御部（図示せず）を備えたバッテリー１５又は小型な発動機（図示せず）とする。補助動力源１４をバッテリー１５とする場合、振動杭打ち作業に欠かせないクレーン車等の作業車両に搭載の充電制御部を備えたバッテリーを使用することが可能であるため、新たに補助動力源１４を準備する必要がなくなる。充電制御部には発電機７が駆動中、発電機７の交流電源を直流電源に変換して充電制御部に供給しバッテリー１５を充電しても良く、商用電源から充電しても良い。補助動力源１４を小型な発動機とする場合、小型な発動機で小型な発電機（図示せず）を駆動する。補助動力源１４が小型な発動機の場合、装置が小型であるため設置スペースが少なくて済む。補助動力源１４により駆動される補助電動機１６で小型の補助油圧ポンプ１７を駆動し、補助油圧ポンプ１７からの油圧エネルギーで杭把持装置４を駆動する。補助動力源１４及びその制御系と、補助油圧ポンプ１７及びその油圧制御弁（図示せず）を制御する電気制御部（図示せず）とをユニット化し補助コントロールユニットＤとする。 A small-capacity auxiliary power source 14 is installed separately from the main power source A. The small-capacity auxiliary power source 14 is a battery 15 having a charging control unit (not shown) or a small motor (not shown). When the auxiliary power source 14 is the battery 15, it is possible to use a battery having a charging control unit mounted on a work vehicle such as a crane truck that is indispensable for the vibration pile driving work. 14 need not be prepared. While the generator 7 is driven to the charge control unit, the AC power of the generator 7 may be converted into a DC power source and supplied to the charge control unit to charge the battery 15 or may be charged from a commercial power source. When the auxiliary power source 14 is a small motor, a small generator (not shown) is driven by the small motor. When the auxiliary power source 14 is a small motor, the installation space is small because the device is small. A small auxiliary hydraulic pump 17 is driven by an auxiliary electric motor 16 driven by the auxiliary power source 14, and the pile gripping device 4 is driven by hydraulic energy from the auxiliary hydraulic pump 17. The auxiliary power source 14 and its control system and the electric control unit (not shown) for controlling the auxiliary hydraulic pump 17 and its hydraulic control valve (not shown) are unitized as an auxiliary control unit D.

図２は、本発明の電動式の振動杭打機１の杭打ち作業以外の待機時の状態を示す概略図である。図中の点線はエネルギーが供給されている状態を示す。 FIG. 2 is a schematic diagram showing a standby state other than the pile driving work of the electric vibration pile driving machine 1 of the present invention. A dotted line in the figure indicates a state where energy is supplied.

杭打作業以外の待機時間とは、例えば、（１）杭把持後の待機時間としては、杭の移動や、杭の位置決めや、杭の継手合わせ等の杭の建込み作業する時間。（２）杭打完了後の待機時間としては、杭の貫入量の計測、杭打込み位置の確認のための計測、杭打込み姿勢の確認のための計測の時間。（３）確認計測完了後の待機時間としては、継手部の溶接作業の時間などの起振機電動機８が停止している全般の時間を意味する。待機時間は、杭が大型で施工管理が厳密であるほど長くなる傾向があり、杭打時間より待機時間の方が長くなる場合も珍しくない。 The waiting time other than the pile driving work is, for example, (1) the waiting time after the pile is gripped, the time for pile construction work such as pile movement, pile positioning, and pile joint alignment. (2) As the waiting time after the completion of pile driving, the measurement of the amount of penetration of the pile, the measurement for checking the pile driving position, and the measurement for checking the pile driving posture. (3) The standby time after completion of the confirmation measurement means a general time in which the exciter motor 8 is stopped, such as a time for welding the joint. The waiting time tends to be longer as the pile is larger and the construction management is more strict, and it is not uncommon for the waiting time to be longer than the pile driving time.

このような待機時間中は、主動力源Ａである大型の発動機６の運転を停止し、小容量の補助動力源１４を駆動し、補助動力源１４により駆動される補助電動機１６で補助油圧ポンプ１７を駆動し、補助油圧ポンプ１７の油圧エネルギーにより杭把持装置４を駆動するように切換える切換手段（図示せず）を備えている。切換手段は、杭打ち作業、杭引き抜き作業を再開する場合、補助動力源１４の運転を停止し、図１に示されるように主動力源Ａである大型の発動機６で駆動するように切換える。切換手段は、例えば、起振機電動機８の停止、再開の信号が制御ラインを介して制御部に伝達された場合に作動するように設定する。補助動力源１４の容量は、表１に示されるように杭把持用の補助油圧ポンプ１７を駆動する補助電動機１６の出力（３．７〜１５ｋＷ）に見合う小容量のもので良い。杭打ち作業時間より長い場合がある待機時間に、大容量の主動力源Ａである大型の発動機６の運転を停止し、小容量の補助動力源１４を運転し杭把持装置４を駆動するので、燃料消費量を大幅に抑制することが可能になる。 During such a standby time, the operation of the large-sized motor 6 that is the main power source A is stopped, the small-capacity auxiliary power source 14 is driven, and the auxiliary electric motor 16 driven by the auxiliary power source 14 is used as the auxiliary hydraulic pressure. There is provided switching means (not shown) for driving the pump 17 to switch the pile gripping device 4 to be driven by the hydraulic energy of the auxiliary hydraulic pump 17. When the pile driving work and the pile drawing work are resumed, the switching means stops the operation of the auxiliary power source 14 and switches it to be driven by the large motor 6 that is the main power source A as shown in FIG. . For example, the switching means is set to operate when a signal for stopping and resuming the exciter motor 8 is transmitted to the control unit via the control line. As shown in Table 1, the capacity of the auxiliary power source 14 may be a small capacity corresponding to the output (3.7 to 15 kW) of the auxiliary motor 16 that drives the auxiliary hydraulic pump 17 for holding the pile. During the standby time that may be longer than the pile driving time, the operation of the large-sized engine 6 as the large-capacity main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the pile gripping device 4 is driven. As a result, fuel consumption can be significantly reduced.

図３は、本発明の油圧式の振動杭打機１の起振機２を駆動している状態を示す概略図である。図１、図２と同様に、主要構成のみを表記し、制御手段、制御ラインなど表記を省略している。図中の点線はエネルギーが供給されている状態を示す。 FIG. 3 is a schematic view showing a state in which the vibration generator 2 of the hydraulic vibration pile driving machine 1 of the present invention is being driven. As in FIGS. 1 and 2, only the main components are shown, and notation such as control means and control lines are omitted. A dotted line in the figure indicates a state where energy is supplied.

起振機２の偏心重錘３を起振機油圧モータ１１で駆動する油圧駆動方式では、主動力源Ａは大型の発動機６で構成される。大型の発動機６は起振機油圧ポンプ１３を駆動し、起振機油圧ポンプ１３の油圧エネルギーにより起振機２の偏心重錘３を回転する起振機油圧モータ１１を駆動する。さらに、大型の発動機６は、杭把持油圧ポンプ１０を駆動し、杭把持油圧ポンプ１０からの油圧エネルギーにより杭把持装置４を駆動する。主動力源Ａ、起振機駆動系とその制御手段（図示せず）、杭把持駆動系とその制御手段（図示せず）をユニット化してパワーユニットＣとする。 In the hydraulic drive system in which the eccentric weight 3 of the exciter 2 is driven by the exciter hydraulic motor 11, the main power source A is composed of a large motor 6. The large-sized motor 6 drives an exciter hydraulic pump 13 and drives an exciter hydraulic motor 11 that rotates the eccentric weight 3 of the exciter 2 by the hydraulic energy of the exciter hydraulic pump 13. Furthermore, the large-sized motor 6 drives the pile gripping hydraulic pump 10 and drives the pile gripping device 4 by the hydraulic energy from the pile gripping hydraulic pump 10. The main power source A, the vibrator drive system and its control means (not shown), the pile gripping drive system and its control means (not shown) are unitized to form a power unit C.

主動力源Ａと別に小容量の補助動力源１４を設置する。小容量の補助動力源１４として充電制御部（図示せず）を備えたバッテリー１５又は小型発動機（図示せず）とする。補助動力源１４及びその制御系と、補助油圧ポンプ１７及びその油圧制御弁（図示せず）を制御する電気制御部（図示せず）とをユニット化し補助コントロールユニットＤとする。 A small-capacity auxiliary power source 14 is installed separately from the main power source A. The small-capacity auxiliary power source 14 is a battery 15 having a charge control unit (not shown) or a small motor (not shown). The auxiliary power source 14 and its control system and the electric control unit (not shown) for controlling the auxiliary hydraulic pump 17 and its hydraulic control valve (not shown) are unitized as an auxiliary control unit D.

図４は、本発明の油圧式の振動杭打機１の杭打ち作業以外の待機時の状態を示す概略図である。図中の点線はエネルギーが供給されている状態を示す。 FIG. 4 is a schematic view showing a standby state other than the pile driving work of the hydraulic vibration pile driving machine 1 of the present invention. A dotted line in the figure indicates a state where energy is supplied.

待機時間中は、主動力源Ａである大型の発動機６の運転を停止し、小容量の補助動力源１４を運転し、補助動力源１４で駆動される補助電動機１６で補助油圧ポンプ１７を駆動し、補助油圧ポンプ１７の油圧エネルギーにより杭把持装置４を駆動するように切換える切換手段（図示せず）を備えている。切換手段は、杭打ち作業、杭引き抜き作業を再開する場合、補助動力源１４の運転を停止し、図３に示されるように主動力源Ａである大型の発動機６で駆動するように切換える。切換手段は、例えば、起振機油圧モータ１１の停止、再開の信号が制御ラインを介して制御部に伝達された場合に作動するように設定する。補助動力源１４の容量は、表１に示されるように杭把持用の補助油圧ポンプ１７を駆動する補助電動機１６の出力（３．７〜１５ｋＷ）に見合う小容量のもので良い。杭打ち作業時間より長い場合がある待機時間に、大容量の主動力源Ａである大型の発動機６の運転を停止し、小容量の補助動力源１４を運転し杭把持装置４を駆動するので、燃料消費量を大幅に削減することが可能になる。 During the standby time, the operation of the large-sized engine 6 that is the main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the auxiliary hydraulic pump 17 is operated by the auxiliary electric motor 16 driven by the auxiliary power source 14. Switching means (not shown) for driving and switching so as to drive the pile gripping device 4 by the hydraulic energy of the auxiliary hydraulic pump 17 is provided. When the pile driving work and the pile drawing work are resumed, the switching means stops the operation of the auxiliary power source 14 and switches it to be driven by the large motor 6 which is the main power source A as shown in FIG. . The switching means is set to operate when, for example, a stop / restart signal of the exciter hydraulic motor 11 is transmitted to the control unit via the control line. As shown in Table 1, the capacity of the auxiliary power source 14 may be a small capacity corresponding to the output (3.7 to 15 kW) of the auxiliary motor 16 that drives the auxiliary hydraulic pump 17 for holding the pile. During the standby time that may be longer than the pile driving time, the operation of the large-sized engine 6 as the large-capacity main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the pile gripping device 4 is driven. As a result, fuel consumption can be greatly reduced.

図５（ａ）（ｂ）（ｃ）は、杭５の形状や大きさに応じて、振動杭打機１を予め梁状のベース部材３１に取り付けた状態を示す概略図である。 FIGS. 5A, 5 </ b> B, and 5 </ b> C are schematic diagrams illustrating a state in which the vibration pile driving machine 1 is attached to the beam-like base member 31 in advance according to the shape and size of the pile 5.

図５（ａ）に示す実施形態では、ベース部材３１上に２台の起振機２を取付け、２台の起振機２の軸を自在継手付駆動軸３２で連結して機械的同期運転可能とする。ベース部材３１の下部に杭把持装置４を１つ取り付ける。起振機２の駆動方式としては、電気式でも油圧式でも良い。２台の起振機２は，図１〜４に示されるように、大型の発動機６からなる主動力源Ａと小容量の補助動力源１４を備え、起振機２の駆動中は主動力源Ａにより起振機駆動装置８、１１と杭把持装置４を駆動する。待機時間中は、主動力源Ａの運転を停止し、小容量の補助動力源１４を運転し、補助動力源１４の補助電動機１６で駆動する補助油圧ポンプ１７の油圧エネルギーにより杭把持装置４を駆動するように切換える。 In the embodiment shown in FIG. 5 (a), two exciters 2 are mounted on a base member 31, and the shafts of the two exciters 2 are connected by a drive shaft 32 with a universal joint to perform mechanical synchronous operation. Make it possible. One pile gripping device 4 is attached to the lower part of the base member 31. The drive system of the vibrator 2 may be electric or hydraulic. As shown in FIGS. 1 to 4, the two exciters 2 include a main power source A composed of a large motor 6 and a small-capacity auxiliary power source 14. The vibrator drive devices 8 and 11 and the pile gripping device 4 are driven by the power source A. During the standby time, the operation of the main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the pile gripping device 4 is driven by the hydraulic energy of the auxiliary hydraulic pump 17 driven by the auxiliary motor 16 of the auxiliary power source 14. Switch to drive.

図５（ｂ）に示す実施形態では、ベース部材３１上に１台の起振機２を取付け、ベース部材３１の下部に２つの杭把持装置４を取り付ける。起振機２と駆動と杭把持装置４の駆動は、図５（ａ）に示す実施形態と同様であるので説明を省略する。 In the embodiment shown in FIG. 5B, one vibrator 2 is attached on the base member 31, and two pile gripping devices 4 are attached to the lower part of the base member 31. The drive of the vibrator 2, the drive, and the pile gripping device 4 is the same as the embodiment shown in FIG.

図５（ｃ）に示す実施形態では、ベース部材３１上に３台の起振機２を取付け、３台の起振機２の軸を自在継手付駆動軸３２で連結して機械的同期運転可能とする。ベース部材３１の下部に杭把持装置４を３つ取り付ける。起振機２の駆動と杭把持装置４の駆動は、図５（ａ）に示す実施形態と同様であるので説明を省略する。 In the embodiment shown in FIG. 5C, three exciters 2 are mounted on the base member 31, and the shafts of the three exciters 2 are connected by a drive shaft 32 with a universal joint to perform mechanical synchronous operation. Make it possible. Three pile gripping devices 4 are attached to the lower part of the base member 31. The driving of the vibrator 2 and the driving of the pile gripping device 4 are the same as in the embodiment shown in FIG.

図６は、地中に打ち込む杭が大口径で大型の場合、複数の起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆをリング状のベース部材３１に等間隔に配置する。隣り合う起振機の軸を自在継手付駆動軸３２で連結して機械的同期運転可能とする。ベース部材３１の下面には複数の杭把持装置４が取り付けられる。複数の起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆは、それぞれ大型の発動機からなる主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６と、バッテリー又は小型発動機からなる小容量の補助動力源１４Ａ、１４Ｂ、１４Ｃ、１４Ｄ、１４Ｅ、１４Ｆと、制御装置ａ１、ａ２、ａ３、ａ４、ａ５、ａ６を備えている。各制御装置ａ１、ａ２、ａ３、ａ４、ａ５、ａ６が制御ラインで連結され、複数の主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６は電気的に同期運転される。 In FIG. 6, when the pile driven into the ground is large in diameter and large, a plurality of vibrators 2A, 2B, 2C, 2D, 2E, and 2F are arranged on the ring-shaped base member 31 at equal intervals. Adjacent vibrator shafts are connected by a universal joint drive shaft 32 to enable mechanical synchronous operation. A plurality of pile gripping devices 4 are attached to the lower surface of the base member 31. The plurality of vibrators 2A, 2B, 2C, 2D, 2E, and 2F are main power sources A1, A2, A3, A4, A5, and A6 each composed of a large motor and a small capacity composed of a battery or a small motor. Auxiliary power sources 14A, 14B, 14C, 14D, 14E, and 14F and control devices a1, a2, a3, a4, a5, and a6. Each control device a1, a2, a3, a4, a5, a6 is connected by a control line, and the plurality of main power sources A1, A2, A3, A4, A5, A6 are electrically operated synchronously.

複数の起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆの駆動方式としては、電気式でも油圧式でも良い。複数の起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆは，図１〜４に示されるように、それぞれ主動力源Ａと小容量の補助動力源１４を備え、起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆの駆動中は主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６により起振機駆動装置８、１１と杭把持装置４を駆動する。待機時間中は、主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６の運転を停止し、小容量の補助動力源１４Ａ、１４Ｂ、１４Ｃ、１４Ｄ、１４Ｅ、１４Ｆで補助電動機１６を駆動し、補助電動機１６で駆動する補助油圧ポンプ１７の油圧エネルギーにより杭把持装置４を駆動するように切換える。杭の規格や、形状の相違に応じて、必要な数の起振機及び杭把持装置を予めベース部材３１に取付る。杭打作業時以外の待機時間中に大容量の主動力源の運転を停止し、小容量の補助動力源による駆動のみで杭を把持するので燃料消費量を大幅に削減することが可能となる。 The drive system for the plurality of vibrators 2A, 2B, 2C, 2D, 2E, and 2F may be electric or hydraulic. The plurality of vibrators 2A, 2B, 2C, 2D, 2E, and 2F are each provided with a main power source A and a small-capacity auxiliary power source 14, as shown in FIGS. During driving of 2C, 2D, 2E, and 2F, the vibrator drive devices 8 and 11 and the pile gripping device 4 are driven by the main power sources A1, A2, A3, A4, A5, and A6. During the standby time, the operation of the main power sources A1, A2, A3, A4, A5, A6 is stopped, and the auxiliary motor 16 is driven by the small-capacity auxiliary power sources 14A, 14B, 14C, 14D, 14E, 14F, The pile gripping device 4 is switched to be driven by the hydraulic energy of the auxiliary hydraulic pump 17 driven by the auxiliary electric motor 16. The required number of vibrators and pile gripping devices are attached to the base member 31 in advance according to the pile standard and the difference in shape. During the standby time other than during pile driving, the operation of the large-capacity main power source is stopped, and the pile is gripped only by driving with a small-capacity auxiliary power source, so the fuel consumption can be greatly reduced. .

振動杭打機１により杭５を地中に打ち込む場合、地中の土質の変化により打ち込み又は引き抜き負荷が変化する。例えば、地下の土質が砂質の場合、打ち込み又は引き抜き負荷が小さく少ないエネルギーで杭５を地中に打ち込み又は引き抜くことができるが、地中の土質が粘土質の場合、打ち込み又は引き抜き負荷が大きくなり杭５を地中に打ち込み又は引き抜くのに大きなエネルギーを必要とする。 When the pile 5 is driven into the ground by the vibration pile driver 1, the driving or pulling-out load is changed due to a change in the soil quality in the ground. For example, when the underground soil is sandy, the driving or drawing load is small and the pile 5 can be driven or pulled into the ground with a small amount of energy. A large amount of energy is required to drive or pull out the stake 5 into the ground.

打ち込み地盤の杭打ち込み又は引き抜き負荷は、杭打込み施工の際、実施されることがある杭打込地盤のコアボーリングで得られた土質柱状図や、過去の工事で得られた周辺の地盤情報から推定される土質柱状図などの深さ方向の土質情報に基づいて推定することが可能である。また、振動杭打機では、電動式の場合は電流値の増減によって、油圧式の場合は、圧力の変化によって、圧入杭打機では、圧入力又は引抜き力の大小によって、杭にかかる負荷率を推定することが可能である。 The pile driving or pulling load of the driving ground is based on the soil column diagram obtained by core boring of the pile driving ground that may be carried out during the pile driving construction and the surrounding ground information obtained by past construction. It is possible to estimate based on soil information in the depth direction such as an estimated soil column diagram. For vibration pile drivers, the load factor applied to the pile by increasing or decreasing the current value in the case of electric type, by changing the pressure in the case of hydraulic type, and by the magnitude of pressure input or pull-out force in the case of press-in pile driver. Can be estimated.

図６に示される複数の起振機２Ａ、２Ｂ、２Ｃ、２Ｄ、２Ｅ、２Ｆを取り付けた大口径で大型の杭打の場合、打ち込み負荷の変化に応じて、電気的に同期運転されている複数の主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６の運転台数を増減する。杭５に係る負荷率が小さい場合、電気的に同期運転されている複数の主動力源Ａ１、Ａ２、Ａ３、Ａ４、Ａ５、Ａ６の運転台数を減らすことで、燃料消費量を大幅に削減することが可能になる。 In the case of large-diameter and large pile driving with a plurality of vibrators 2A, 2B, 2C, 2D, 2E, and 2F shown in FIG. 6, they are electrically operated synchronously according to changes in driving load. Increase or decrease the number of operating main power sources A1, A2, A3, A4, A5, A6. When the load factor related to the pile 5 is small, the fuel consumption is greatly reduced by reducing the number of operating main power sources A1, A2, A3, A4, A5, and A6 that are electrically operated synchronously. It becomes possible.

図７は、本発明の油圧式の圧入杭打機２０の圧入引抜シリンダ２１を駆動している状態を示す概略図である。図１、図２と同様に、主要構成のみを表記し、制御手段、制御ラインなど表記を省略している。図中の点線はエネルギーが供給されている状態を示す。 FIG. 7 is a schematic view showing a state in which the press-fitting pull-out cylinder 21 of the hydraulic press-fitting pile driver 20 of the present invention is being driven. As in FIGS. 1 and 2, only the main components are shown, and notation such as control means and control lines are omitted. A dotted line in the figure indicates a state where energy is supplied.

圧入杭打機２０は、反力受台や既設杭等の反力受部材を把持するクランプ２２を備えたサドル２３と、サドル２３に対して水平方向にスライド可能なスライド部２４と、スライド部に対して旋回可能なリーダマスト２５を備えている。リーダマスト２５に、圧入部３０を構成する圧入引抜シリンダ２１と杭把持装置４とが上下動可能に支持される。圧入杭打機２０の主動力源Ａは、大型の発動機６で構成される。前記油圧式振動杭打機と同様に制御部を含めてユニット化してパワーユニットＥとする。大型の発動機６により駆動される圧入引抜シリンダ油圧ポンプ２７の油圧エネルギーにより圧入引抜シリンダ２１を駆動する。圧入引抜シリンダ２１の駆動中、大型の発動機６により駆動される杭把持油圧ポンプ２８の油圧エネルギーにより杭把持装置４を駆動し、大型の発動機６により駆動されるクランプ油圧ポンプ２９の油圧エネルギーによりクランプ２２を駆動する。 The press-fitting pile driver 20 includes a saddle 23 provided with a clamp 22 for gripping a reaction force receiving member such as a reaction force receiving base or an existing pile, a slide portion 24 slidable in the horizontal direction with respect to the saddle 23, and a slide portion Is provided with a leader mast 25 that can be turned relative to the head. The leader mast 25 supports the press-fitting / drawing cylinder 21 and the pile gripping device 4 constituting the press-fitting portion 30 so as to be movable up and down. The main power source A of the press pile driver 20 is composed of a large motor 6. Like the hydraulic vibration pile driver, a power unit E is obtained by unitizing the control unit. The press-in / pull-out cylinder 21 is driven by the hydraulic energy of the press-in / pull-out cylinder hydraulic pump 27 driven by the large motor 6. During the driving of the press-in / draw-out cylinder 21, the pile gripping device 4 is driven by the hydraulic energy of the pile gripping hydraulic pump 28 driven by the large motor 6, and the hydraulic energy of the clamp hydraulic pump 29 driven by the large motor 6 To drive the clamp 22.

主動力源Ａと別に小容量の補助動力源１４を設置する。小容量の補助動力源１４として充電制御部（図示せず）を備えたバッテリー１５又は小型発動機（図示せず）とする。図７は、補助動力源１４をバッテリー１５とした場合を示す。補助動力源１４及ぶその制御系と、補助油圧ポンプ１７、１８及びその油圧制御弁（図示せず）を制御する電気制御部（図示せず）とをユニット化し補助コントロールユニットＦとする。 A small-capacity auxiliary power source 14 is installed separately from the main power source A. The small-capacity auxiliary power source 14 is a battery 15 having a charge control unit (not shown) or a small motor (not shown). FIG. 7 shows a case where the auxiliary power source 14 is a battery 15. The auxiliary power source 14 and its control system, and the auxiliary hydraulic pumps 17 and 18 and an electric control unit (not shown) for controlling the hydraulic control valve (not shown) are unitized as an auxiliary control unit F.

図８は、本発明の油圧式の圧入杭打機２０の杭打ち作業以外の待機時の状態を示す概略図である。図中の点線はエネルギーが供給されている状態を示す。 FIG. 8 is a schematic view showing a standby state other than the pile driving operation of the hydraulic press-fitting pile driver 20 of the present invention. A dotted line in the figure indicates a state where energy is supplied.

圧入杭打機２０の杭打ち作業以外の待機時とは、（１）杭把持後の待機時間として、前進又は後退時の自走時、サドルの移動時、マストの旋回時、杭の位置決めや計測、杭の継手合わせ等の杭の建込み作業する時間。（２）杭打完了後の待機時間として、杭の貫入量の計測、杭打込み位置の確認のための計測、杭打込み姿勢の確認のための計測の時間。（３）確認計測完了後の待機時間として、継手部の溶接作業の時間等の圧入部が停止している時間全般を意味するものである。 The standby time other than the pile driving work of the press-fitting pile driver 20 is as follows. (1) As the standby time after the pile is gripped, the self-propelled when moving forward or backward, the saddle moving, the mast turning, Pile erection work such as measurement and pile joint alignment. (2) As waiting time after completion of pile driving, measurement of pile penetration, measurement for checking pile driving position, measurement time for checking pile driving posture. (3) The waiting time after completion of the confirmation measurement means the entire time during which the press-fitted part is stopped, such as the time for welding the joint part.

待機時間中は、主動力源Ａである大型の発動機６の運転を停止し、小容量の補助動力源１４を運転し、補助動力源１４で駆動される補助電動機１６で補助油圧ポンプ１７を駆動し、補助油圧ポンプ１７からの油圧エネルギーにより杭把持装置４を駆動し、補助電動機１６で駆動される補助油圧ポンプ１８の油圧エネルギーによりクランプ２２が駆動するように切換える切換手段（図示せず）を備えている。切換手段は、杭打ち作業、杭引き抜き作業を再開する場合、補助動力源１４の運転を停止し、図７に示されるように主動力源Ａにより駆動するように切換える。切換手段は、例えば、圧入引抜シリンダ２１の停止、再開の信号が制御ラインを介して制御部に伝達された場合に作動するように設定する。補助動力源１４の容量は、表１に示されるように杭把持用の補助油圧ポンプ１７、１８を駆動する補助電動機１６の出力（３．７〜１５ｋＷ）に見合う小容量のもので良い。杭打ち作業時間より長い場合がある待機時間に、大容量の主動力源Ａの運転を停止し、小容量の補助動力源１４を運転し杭把持装置４及びクランプ２２を駆動するので、燃料消費量を大幅に削減することが可能になる。 During the standby time, the operation of the large-sized engine 6 that is the main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the auxiliary hydraulic pump 17 is operated by the auxiliary electric motor 16 driven by the auxiliary power source 14. Switching means (not shown) for driving and driving the pile gripping device 4 by hydraulic energy from the auxiliary hydraulic pump 17 and switching the clamp 22 to be driven by hydraulic energy of the auxiliary hydraulic pump 18 driven by the auxiliary electric motor 16 It has. When restarting the pile driving work and the pile drawing work, the switching means stops the operation of the auxiliary power source 14 and switches it to be driven by the main power source A as shown in FIG. For example, the switching means is set to operate when a stop / restart signal of the press-fitting cylinder 21 is transmitted to the control unit via the control line. As shown in Table 1, the capacity of the auxiliary power source 14 may be a small capacity corresponding to the output (3.7 to 15 kW) of the auxiliary motor 16 that drives the auxiliary hydraulic pumps 17 and 18 for gripping the pile. During the standby time that may be longer than the pile driving time, the operation of the large-capacity main power source A is stopped, the small-capacity auxiliary power source 14 is operated, and the pile gripping device 4 and the clamp 22 are driven. The amount can be greatly reduced.

以上のように、本発明の杭打機及びそれを用いた杭打工法によれば、杭打作業時以外の待機時間中に大容量の主動力源の運転を停止し、小容量の補助動力源で杭把持装置、クランプを駆動するので燃料消費量を大幅に抑制することが可能となる。また、複数の起振機からの振動力を杭把持装置を介して杭に伝達する杭打機を用い、打ち込み負荷の大きさに対応して電気的に同調運転される複数の主動力源の運転台数を増減して大口径の杭を地中へ打込むか又は引抜くことで、打ち込み負荷が小さい場合、電気的に同期運転される主動力源の運転台数を減らすことができるので燃料消費量を大幅に削減することが可能になる。 As described above, according to the pile driving machine of the present invention and the pile driving method using the same, the operation of the large-capacity main power source is stopped during the standby time other than the pile driving operation, and the small-capacity auxiliary power is Since the pile gripping device and the clamp are driven by the source, the fuel consumption can be greatly suppressed. In addition, using a pile driving machine that transmits vibration forces from multiple vibrators to the pile via the pile gripping device, multiple main power sources that are electrically tuned in response to the magnitude of the driving load Increase or decrease the number of operating units and drive or pull out large-diameter piles into the ground, so that when the driving load is small, the number of operating units of the main power source that is electrically synchronized can be reduced. The amount can be greatly reduced.

１：振動杭打機、２：起振機、３：偏心重錘、４：杭把持装置、５：杭、６：大型の発動機、７：発電機、８：起振機電動機、９：杭把持電動機、１０：杭把持油圧ポンプ、１１：起振機油圧モータ、１３：起振機油圧ポンプ，１４：補助動力源、１５：バッテリー、１６：補助電動機、１７：補助油圧ポンプ、１８：補助油圧ポンプ、２０：圧入杭打機、２１：圧入引抜シリンダ、２２：クランプ、２３：サドル、２４：スライド部、２５：リーダマスト、２７：圧入引抜シリンダポンプ、２８：杭把持ポンプ、２９：クランプポンプ、３０：圧入部、３１：ベース部材、３２：自在継手付駆動軸、Ａ：主動力源、Ｂ：コントロールユニット、Ｃ：パワーユニット、Ｄ：補助コントロールユニット、Ｅ：パワーユニット、Ｆ：補助コントロールユニット 1: Vibration pile driver, 2: Exciter, 3: Eccentric weight, 4: Pile gripping device, 5: Pile, 6: Large motor, 7: Generator, 8: Exciter motor, 9: Pile gripping motor, 10: Pile gripping hydraulic pump, 11: Exciter hydraulic motor, 13: Exciter hydraulic pump, 14: Auxiliary power source, 15: Battery, 16: Auxiliary motor, 17: Auxiliary hydraulic pump, 18: Auxiliary hydraulic pump, 20: press-fitting pile driver, 21: press-fitting cylinder, 22: clamp, 23: saddle, 24: slide part, 25: leader mast, 27: press-fitting cylinder pump, 28: pile gripping pump, 29: Clamp pump, 30: press-fit part, 31: base member, 32: drive shaft with universal joint, A: main power source, B: control unit, C: power unit, D: auxiliary control unit, E: power unit, F: auxiliary controller Ruyunitto

Claims

起振機からの振動力を杭把持装置を介して杭に伝達する杭打機において、主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする杭打機。 In the pile driving machine that transmits the vibration force from the vibrator to the pile through the pile gripping device, the vibrator driving device driven by the output of the main power source, and when the vibrator driving device is driven, Pile gripping device driven by the output of the main power source, and during the standby other than the pile driving work, the operation of the main power source is stopped and the pile gripping device is driven by the output of the small-capacity auxiliary power source A pile driving machine comprising: switching means for switching; and a dedicated driving machine that drives the pile gripping device by the output of the auxiliary power source.

ベース部材上に１つ又は複数の起振機を取付け、前記ベース部材の下部に１つ又は複数の杭把持装置を取付け、起振機の振動力を杭把持装置を介して杭に伝達する杭打機において、前記１つ又は複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源からの出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記１つ又は複数の起振機毎に配置される小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする杭打機。 A pile that attaches one or more vibrators to the base member, attaches one or more pile gripping devices to the lower part of the base member, and transmits the vibration force of the vibrator to the piles via the pile gripping device In the hammer, the exciter drive device driven by the output of the main power source arranged for each of the one or more exciters, and when driving the exciter drive device, from the main power source The pile gripping device driven by the output and the output of the small-capacity auxiliary power source arranged for each of the one or the plurality of vibrators during the standby other than the pile driving operation, the operation of the main power source is stopped. A pile driving machine comprising: switching means for switching so as to drive the pile gripping device, and a dedicated driving machine for driving the pile gripping device by the output of the auxiliary power source.

反力受けを圧入又は引抜き反力として圧入引抜シリンダからの圧入力又は引抜き力を杭把持装置を介して杭に伝達する杭打機において、主動力源の出力により駆動される圧入引抜シリンダと、前記圧入引抜シリンダの駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備えることを特徴とする杭打機。 In a pile driving machine that transmits a pressure input or extraction force from a press-fitting extraction cylinder to a pile through a pile gripping device using a reaction force receiver as a press-fitting or extraction reaction force, a press-fitting extraction cylinder driven by the output of a main power source; When driving the press-fit pull-out cylinder, the pile gripping device driven by the output of the main power source and the standby power other than the pile driving operation, the operation of the main power source is stopped, and the output of the small-capacity auxiliary power source A pile driving machine comprising: switching means for switching to drive the pile gripping device; and a dedicated drive for driving the pile gripping device by the output of the auxiliary power source.

前記補助動力源を、バッテリー又は小型な発動機とすることを特徴とする請求項１ないし３のいずれか１項に記載の杭打機。 The pile driving machine according to any one of claims 1 to 3, wherein the auxiliary power source is a battery or a small motor.

主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、バッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする杭打工法。 The exciter drive device driven by the output of the main power source, the pile gripping device driven by the output of the main power source at the time of driving the exciter drive device, and at the standby time other than the pile driving operation, Switching means for stopping operation of the main power source and switching the drive to drive the pile gripping device by the output of a small capacity auxiliary power source consisting of a battery or a small motor, and the pile gripping by the output of the auxiliary power source A dedicated driving machine for driving the device, and using a pile driving machine that transmits the vibration force of the vibrator to the pile through the pile gripping device, and driving or pulling the pile into the ground Pile driving method to do.

ベース部材上に１つ又は複数の起振機を取付け、前記ベース部材の下部に１つ又は複数の杭把持装置を取付け、前記１つ又は複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記１つ又は複数の起振機毎に配置されるバッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする杭打工法。 One or a plurality of vibrators are mounted on the base member, one or a plurality of pile gripping devices are mounted on the lower part of the base member, and a main power source arranged for each of the one or a plurality of vibrators An exciter drive device driven by an output, a pile gripping device driven by an output of the main power source at the time of driving the exciter drive device, a standby state other than a pile driving operation, Switching means for stopping operation and switching to drive the pile gripping device by the output of a small-capacity auxiliary power source comprising a battery or a small motor arranged for each of the one or more vibrators; And a dedicated driving machine that drives the pile gripping device by the output of the auxiliary power source, and using a pile driving machine that transmits the vibration force of the vibrator to the pile via the pile gripping device, the pile to the ground A pile driving method characterized by driving or pulling.

複数の起振機を自在継手付駆動軸で連結して大口径の杭に杭把持装置を介して取付け、前記複数の起振機毎に配置される主動力源の出力により駆動される起振機駆動装置と、前記起振機駆動装置の駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、前記複数の起振機毎に配置されるバッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段と、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、前記複数の起振機の振動力を杭把持装置を介して杭に伝達する杭打機を用い、打ち込み負荷の大きさに対応して電気的に同期運転される前記主動力源の運転台数を増減して杭を地中へ打込むか又は引抜くことを特徴とする杭打工法。 A plurality of vibrators are connected by a drive shaft with a universal joint, attached to a large-diameter pile via a pile gripping device, and driven by the output of a main power source arranged for each of the plurality of vibrators. A driving device, a pile gripping device driven by the output of the main power source at the time of driving the exciter driving device, and the operation of the main power source at a time other than the pile driving operation, Switching means for switching to drive the pile gripping device by the output of a small capacity auxiliary power source consisting of a battery or a small motor arranged for each of the vibrators, and the pile gripping by the output of the auxiliary power source And a dedicated driving machine for driving the device, and using a pile driving machine that transmits the vibration force of the plurality of vibrators to the pile through the pile gripping device, and electrically corresponding to the magnitude of the driving load Drive the piles into the ground by increasing or decreasing the number of operating main power sources operated synchronously. Suck or draw out pile construction method, characterized in that.

主動力源の出力により駆動される圧入引抜シリンダと、前記圧入引抜シリンダの駆動時、前記主動力源の出力により駆動される杭把持装置と、杭打ち作業以外の待機時、前記主動力源の運転を停止し、バッテリー又は小型な発動機からなる小容量の補助動力源の出力により前記杭把持装置を駆動するように切換える切換手段とを備え、前記補助動力源の出力により前記杭把持装置を駆動する専用駆動機と、を備え、反力受けを圧入又は引抜き反力として圧入引抜シリンダの圧入力又は引抜き力を杭把持装置を介して杭に伝達する杭打機を用い、杭を地中へ打込むか又は引抜くことを特徴とする杭打工法。 A press-fitting / extracting cylinder driven by the output of the main power source, a pile gripping device driven by the output of the main power source at the time of driving the press-fitting / extracting cylinder, And switching means for switching to drive the pile gripping device by the output of a small-capacity auxiliary power source comprising a battery or a small motor, and the pile gripping device is output by the output of the auxiliary power source. A pile driving machine that transmits the pressure input or drawing force of the press-fitting and pulling cylinder to the pile through the pile gripping device using the reaction force receiver as the press-fitting or pulling reaction force. Pile driving method characterized by driving into or pulling out.