JP2009068262A - Pile driver - Google Patents

Pile driver Download PDF

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Publication number
JP2009068262A
JP2009068262A JP2007237944A JP2007237944A JP2009068262A JP 2009068262 A JP2009068262 A JP 2009068262A JP 2007237944 A JP2007237944 A JP 2007237944A JP 2007237944 A JP2007237944 A JP 2007237944A JP 2009068262 A JP2009068262 A JP 2009068262A
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leader
pendulum
cab
pointer
reader
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JP2007237944A
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Japanese (ja)
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Shigemitsu Yoshida
茂光 吉田
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Nippon Sharyo Ltd
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Nippon Sharyo Ltd
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Priority to JP2007237944A priority Critical patent/JP2009068262A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a pile driver which allows the operator to visually observe an angle display unit of a leader from a cab, and can positively erect the leader in the vertical state. <P>SOLUTION: The pile driver is formed of: a pendulum shaft 21 which is arranged on a rear surface 15a of the leader 15, that is opposite to a base machine; a pendulum 22 which is rotatably mounted on the pendulum shaft 21 and hangs in the vertical direction; an arm 23 which is rotated in one body with the pendulum 22, and has a distal end thereof horizontally protruding on one side of the leader toward the cab; a pointer 24 which is attached to the distal end of the arm 23; and a scale plate 25 which is arranged on the one side of the leader 15 toward the cab. The pile driver is composed of the angle display unit 20 which allows the pointer 24 to vertically move along the scale plate 25 together with the pendulum 22 rotating according to the tilt of the leader, and indicates the rightward or leftward tilting angle of the leader 15 with respect to the base machine, by a marking indicated by the pointer 24. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、運転室を一側部前方に備えたベースマシンの前部に前後方向及び左右方向に傾動可能な状態のリーダを立設し、該リーダに沿って昇降可能な作業装置を装着して所定の作業を行う杭打機に係り、詳しくは、リーダの左右方向の傾斜角度を表示する角度表示器を備えた杭打機に関する。   The present invention is such that a leader in a state of being tiltable in the front-rear direction and the left-right direction is erected on the front part of a base machine having a cab in front of one side, and a working device that can be moved up and down along the leader is mounted. In particular, the present invention relates to a pile driver equipped with an angle indicator that displays a tilt angle of a reader in the left-right direction.

従来、ベースマシンの前部にリーダを起伏可能に設けた杭打機では、作業時のリーダの傾斜角度を確認するために、リーダに角度検出器を設けるとともに、該角度検出器で検出した傾斜角度を運転室内に表示するようにしている。さらに、リーダを起伏作業時にリーダの起伏角度を検出するための重力を利用した起伏角度計を設けることも行われている（例えば、特許文献１参照。）。また、リーダの支持構造として、サブリーダによってリーダを回転可能に支持した、いわゆる回転式リーダを備えた杭打機が知られている（例えば、特許文献２参照。）。
特開平１０−１９４９号公報 実開昭６１−８９０４０号公報 Conventionally, in a pile driving machine in which a leader can be raised and lowered at the front part of a base machine, in order to confirm the inclination angle of the leader during work, an angle detector is provided in the leader and the inclination detected by the angle detector is provided. The angle is displayed in the cab. Furthermore, an undulation angle meter using gravity for detecting the undulation angle of the reader during the undulation work of the reader is also provided (for example, see Patent Document 1). Further, as a leader support structure, a pile driving machine including a so-called rotary leader in which the leader is rotatably supported by a sub-leader is known (for example, see Patent Document 2).
Japanese Patent Laid-Open No. 10-1949 Japanese Utility Model Publication No. 61-89040

前述の起伏角度計のような重力を利用した角度計（角度表示器）をリーダのベースマシン側に位置する背面に取り付けることにより、リーダのベースマシンに対する左右方向の傾斜角度を簡単に視認することができるが、リーダの下部背面とベースマシンとの間には、リーダ支持フレームが設けられているだけでなく、油圧配管や電気配線などが多数設けられているため、ベースマシンの一側部前方に設けられている運転室から角度表示器を視認することは困難である。特に、サブリーダを介してリーダを装着したものでは、サブリーダが邪魔をして運転室から角度表示器を視認することはほとんどできなかった。   By attaching an angle meter (angle indicator) using gravity, such as the above-mentioned undulation angle meter, to the back surface located on the base machine side of the reader, it is possible to easily visually check the tilt angle of the reader with respect to the base machine. However, not only the leader support frame is provided between the lower back of the leader and the base machine, but also a number of hydraulic pipes and electrical wiring are provided. It is difficult to visually recognize the angle indicator from the cab provided in the vehicle. In particular, in the case where the reader is attached via the sub-reader, the sub-reader has interfered and the angle indicator can hardly be seen from the cab.

そこで本発明は、運転室から運転者がリーダの角度表示器を容易に視認することができ、リーダを鉛直方向に確実に起立させることができる角度表示器を備えた杭打機を提供することを目的としている。   Therefore, the present invention provides a pile driver equipped with an angle indicator that allows the driver to easily see the angle indicator of the leader from the cab and can reliably stand the leader in the vertical direction. It is an object.

上記目的を達成するため、本発明の杭打機は、運転室を一側部前方に備えたベースマシンの前部に、前後方向及び左右方向に傾動可能なリーダを備えた杭打機において、前記リーダのベースマシン側の背面に回動可能に取り付けられて鉛直方向に垂下する振子と、該振子と一体に回動する水平方向のアームと、該アームの先端に取り付けられた指針と、前記リーダの前記運転室側の側面部に配置される目盛板とを有し、前記指針と目盛板との位置関係によって前記リーダの左右方向の傾斜を表示する角度表示器を備えていることを特徴としている。   In order to achieve the above object, the pile driving machine of the present invention is a pile driving machine provided with a leader that can tilt in the front-rear direction and the left-right direction at the front part of a base machine provided with a cab in front of one side. A pendulum that is pivotally attached to the back surface of the reader on the base machine side and hangs vertically; a horizontal arm that rotates integrally with the pendulum; a pointer attached to the tip of the arm; A scale plate disposed on a side surface of the reader on the operator's cab side, and includes an angle indicator that displays a horizontal inclination of the reader according to a positional relationship between the pointer and the scale plate. It is said.

さらに、本発明の杭打機は、前記リーダがサブリーダを介して前記ベースマシンに装着されていること、また、前記リーダの側面に取り付けられてリーダの前後方向の傾斜を表示する第２の角度表示器を備えていることを特徴としている。   Furthermore, in the pile driving machine of the present invention, the leader is attached to the base machine via a sub-leader, and the second angle is attached to the side surface of the leader and displays the inclination of the leader in the front-rear direction. It is characterized by having a display.

本発明の杭打機によれば、運転室から角度表示器の目盛板と指針とを確実に視認することができ、特に、ベースマシンにサブリーダを介してリーダを装着したものであっても、目盛板と指針とを確実に視認することができる。   According to the pile driver of the present invention, it is possible to reliably see the scale indicator and the pointer of the angle indicator from the operator's cab, in particular, even if the reader is attached to the base machine via the sub-leader, The scale plate and the pointer can be visually recognized with certainty.

図１乃至図４は本発明の杭打機の一形態例を示すもので、図１は角度表示器を設けたリーダの要部背面図、図２は同じくリーダの要部側面図、図３は杭打機の要部側面図、図４は杭打機の運転室とサブリーダとリーダとの位置関係を示す説明図である。   1 to 4 show an example of a pile driving machine according to the present invention. FIG. 1 is a rear view of a main part of a reader provided with an angle indicator, FIG. 2 is a side view of the main part of the reader, and FIG. Is a side view of the main part of the pile driver, and FIG. 4 is an explanatory diagram showing the positional relationship among the operator's cab, sub-leader and leader of the pile driver.

杭打機１０は、クローラを備えた下部走行体１１の上に、ベースマシン１２を旋回可能に設けたもので、ベースマシン１２の前部中央には、サブリーダ１３の下部がリンク機構１４を介して起伏可能に軸支され、前記サブリーダ１３によってリーダ１５が軸線を中心として９０度だけ回転可能に保持されている。また、ベースマシン１２の一側部前方（本形態例では右前方）には運転室１６が設けられ、ベースマシン１２の両側部とサブリーダ１３の上端部との間には左右一対の起伏シリンダ１７が設けられている。   The pile driving machine 10 is configured such that a base machine 12 is pivotably provided on a lower traveling body 11 having a crawler, and a lower part of a sub-leader 13 is interposed via a link mechanism 14 at the front center of the base machine 12. The sub-leader 13 holds the leader 15 so as to be rotatable by 90 degrees about the axis. A cab 16 is provided in front of one side of the base machine 12 (right front in this embodiment), and a pair of left and right hoisting cylinders 17 are provided between both sides of the base machine 12 and the upper end of the sub-leader 13. Is provided.

リーダ１５の下部には、ベースマシン１２に対するリーダ１５の左右方向の傾斜角度を表示する第１角度表示器２０と、ベースマシン１２に対するリーダ１５の前後方向の傾斜角度を表示する第２角度表示器３０とが設けられている。   Below the reader 15, a first angle indicator 20 that displays the inclination angle of the reader 15 in the left-right direction with respect to the base machine 12, and a second angle indicator that displays the inclination angle of the reader 15 in the front-rear direction with respect to the base machine 12. 30 is provided.

第１角度表示器２０は、リーダ１５の背面１５ａの中心からリーダ１５の径方向に突設した振子軸２１と、該振子軸２１に回動可能に取り付けられた振子２２と、該振子２２の鉛直方向下端に取り付けられたウエイト２２ａと、振子２２の回動基部２２ｂの運転室１６側の側面に水平方向に連結されたアーム２３と、該アーム２３の先端に取り付けられた指針２４と、リーダ１５の運転室１６側の側面部で、運転室１６内から運転者が視認可能な位置に配置された目盛板２５とを備えている。   The first angle indicator 20 includes a pendulum shaft 21 that protrudes in the radial direction of the reader 15 from the center of the back surface 15a of the reader 15, a pendulum 22 that is rotatably attached to the pendulum shaft 21, and the pendulum 22 A weight 22a attached to the lower end in the vertical direction, an arm 23 connected horizontally to the side surface of the rotating base 22b of the pendulum 22 on the cab 16 side, a pointer 24 attached to the tip of the arm 23, a reader 15 is a side surface portion on the side of the driver's cab 16 and includes a scale plate 25 disposed at a position where the driver can visually recognize from the driver's cab 16.

前記アーム２３は、ウエイト２２ａが自重で鉛直方向に垂下することによって水平状態となるように形成されており、リーダ１５が鉛直方向に起立しているときには、前記指針２４が目盛板２５の中央に位置することになり、ベースマシン１２から見てリーダ１５が鉛直方向に対して左側に傾斜しているときには指針２４が目盛板２５の下方に、右側に傾斜したときには指針２４が目盛板２５の上方に位置することになり、リーダ１５の左右方向の傾斜状態を簡単にかつ確実に確認することができる。また、ウエイト２２ａの左側面には、バランス調整ボルト２２ｃが取り付けられており、製造誤差などがあった場合でも、このバランス調整ボルト２２ｃのねじ込み量を調節することにより、前記アーム２３を水平状態に保持できるようにしている。   The arm 23 is formed so as to be in a horizontal state when the weight 22a hangs down in the vertical direction under its own weight, and when the leader 15 stands up in the vertical direction, the pointer 24 is positioned at the center of the scale plate 25. When the leader 15 is tilted to the left with respect to the vertical direction when viewed from the base machine 12, the pointer 24 is below the scale plate 25, and when the reader 15 is tilted to the right, the pointer 24 is above the scale plate 25. Thus, the inclined state of the reader 15 in the left-right direction can be easily and reliably confirmed. Further, a balance adjusting bolt 22c is attached to the left side surface of the weight 22a. Even when there is a manufacturing error, the arm 23 is brought into a horizontal state by adjusting the screwing amount of the balance adjusting bolt 22c. It can be held.

第２角度表示器３０は、リーダ１５の運転室側の側面１５ｂに設けられるもので、振子軸３１と、該振子軸３１に回動可能に取り付けられる振子３２と、該振子３２の先端に設けられる指針３３と、指針下方位置のリーダ１５の側面１５ｂに取り付けられる目盛板３４とを備えている。振子３２は先端にウエイト３２ａを備え、該ウエイト３２ａの自重により常に鉛直方向を向き、指針３３の指す目盛板３４の位置によってリーダ１５のベースマシン前後方向の傾斜角度が表示される。   The second angle indicator 30 is provided on the side surface 15b on the operator cab side of the reader 15, and is provided at a pendulum shaft 31, a pendulum 32 that is rotatably attached to the pendulum shaft 31, and a tip of the pendulum 32. And a scale plate 34 attached to the side surface 15b of the reader 15 below the pointer. The pendulum 32 is provided with a weight 32a at the tip. The pendulum 32 is always directed in the vertical direction by the weight of the weight 32a.

このように形成された杭打機では、サブリーダ１３に邪魔されることなく、リーダ１５に取り付けた第１角度表示器２０及び第２角度表示器３０を運転室１６内から運転者が容易に視認することができ、リーダ１５の傾斜角度を簡単に確認することができる。この傾斜角度に基づいて、起伏ウインチやバックステーの油圧シリンダなどを操作することにより、リーダ１５を鉛直方向に確実に起立させることができる。   In the pile driver thus formed, the driver can easily visually recognize the first angle indicator 20 and the second angle indicator 30 attached to the leader 15 from the cab 16 without being obstructed by the sub leader 13. The inclination angle of the reader 15 can be easily confirmed. Based on this inclination angle, the leader 15 can be reliably erected in the vertical direction by operating a hoisting winch, a hydraulic cylinder of a backstay, or the like.

なお、本発明は上述の形態例のようにサブリーダを備えた杭打機に適用するものに限らず、サブリーダを備えていない杭打機にも適用することができる。また、リーダにおける各表示器の取付高さは運転席から指針及び目盛板が視認可能な位置ならば任意に設定することができる。   In addition, this invention is applicable not only to what is applied to the pile driver provided with the sub leader like the above-mentioned example, but also to the pile driver which is not provided with the sub leader. Further, the height of each indicator on the reader can be arbitrarily set as long as the pointer and the scale plate are visible from the driver's seat.

角度表示器を設けたリーダの要部背面図である。It is a principal part rear view of the reader | leader provided with the angle indicator. 同じくリーダの要部側面図である。It is a principal part side view of a reader similarly. 杭打機の要部側面図である。It is a principal part side view of a pile driver. 杭打機の運転室とサブリーダとリーダとの位置関係を示す説明図である。It is explanatory drawing which shows the positional relationship of the operator's cab of a pile driver, a subleader, and a leader.

符号の説明Explanation of symbols

１０…杭打機、１１…下部走行体、１２…ベースマシン、１３…サブリーダ、１４…リンク機構、１５…リーダ、１５ａ…背面、１５ｂ…運転室側の側面、１６…運転室、１７…起伏シリンダ、２０…第１角度表示器、２１…振子軸、２２…振子、２２ａ…ウエイト、２２ｂ…回動基部、２２ｃ…バランス調整ボルト、２３…アーム、２４…指針、２５…目盛板、３０…第２角度表示器、３１…振子軸、３２…振子、３２ａ…ウエイト、３３…指針、３４…目盛板   DESCRIPTION OF SYMBOLS 10 ... Pile driver, 11 ... Undercarriage, 12 ... Base machine, 13 ... Subleader, 14 ... Link mechanism, 15 ... Leader, 15a ... Back surface, 15b ... Side surface on the operator's cab side, 16 ... Driver's cab, 17 ... Relief Cylinder, 20 ... first angle indicator, 21 ... pendulum shaft, 22 ... pendulum, 22a ... weight, 22b ... rotating base, 22c ... balance adjusting bolt, 23 ... arm, 24 ... pointer, 25 ... scale plate, 30 ... Second angle indicator, 31 ... Pendulum shaft, 32 ... Pendulum, 32a ... Weight, 33 ... Pointer, 34 ... Scale plate

Claims (3)

運転室を一側部前方に備えたベースマシンの前部に、前後方向及び左右方向に傾動可能なリーダを備えた杭打機において、前記リーダのベースマシン側の背面に回動可能に取り付けられて鉛直方向に垂下する振子と、該振子と一体に回動する水平方向のアームと、該アームの先端に取り付けられた指針と、前記リーダの前記運転室側の側面部に配置される目盛板とを有し、前記指針と目盛板との位置関係によって前記リーダの左右方向の傾斜を表示する角度表示器を備えていることを特徴とする杭打機。 In a pile driving machine equipped with a leader tiltable in the front-rear direction and the left-right direction at the front part of a base machine provided with a driver's cab in front of one side, it is rotatably attached to the back surface of the leader on the base machine side. A pendulum that hangs down vertically, a horizontal arm that rotates integrally with the pendulum, a pointer attached to the tip of the arm, and a scale plate that is disposed on the side surface of the reader on the cab side A pile driver comprising: an angle indicator that displays a horizontal inclination of the leader according to a positional relationship between the pointer and the scale plate. 前記リーダは、サブリーダを介して前記ベースマシンに装着されることを特徴とする請求項１記載の杭打機。 The pile driver according to claim 1, wherein the leader is attached to the base machine via a sub-leader. 前記リーダは、該リーダの前後方向の傾斜を表示する第２の角度表示器をリーダの側面に備えていることを特徴とする請求項１又は２記載の杭打機。 The pile driving machine according to claim 1 or 2, wherein the leader is provided with a second angle indicator on the side surface of the leader for displaying the inclination of the leader in the front-rear direction.
JP2007237944A 2007-09-13 2007-09-13 Pile driver Pending JP2009068262A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT517336A4 (en) * 2015-07-28 2017-01-15 Swietelsky Baugesellschaft M B H Inclinometer for a vibratory hammer
CN109373972A (en) * 2018-10-31 2019-02-22 中国电建集团山东电力建设第工程有限公司 A kind of pile body testing apparatus for verticality

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119507U (en) * 1980-02-13 1981-09-11
JPS6189040U (en) * 1984-11-12 1986-06-10
JP2005164468A (en) * 2003-12-04 2005-06-23 Furukawa Co Ltd Pendulum-type angle meter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56119507U (en) * 1980-02-13 1981-09-11
JPS6189040U (en) * 1984-11-12 1986-06-10
JP2005164468A (en) * 2003-12-04 2005-06-23 Furukawa Co Ltd Pendulum-type angle meter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT517336A4 (en) * 2015-07-28 2017-01-15 Swietelsky Baugesellschaft M B H Inclinometer for a vibratory hammer
AT517336B1 (en) * 2015-07-28 2017-01-15 Swietelsky Baugesellschaft M B H Inclinometer for a vibratory hammer
EP3124706A1 (en) * 2015-07-28 2017-02-01 Swietelsky Baugesellschaft m.b.H. Inclinometer for a vibration rammer
CN109373972A (en) * 2018-10-31 2019-02-22 中国电建集团山东电力建设第工程有限公司 A kind of pile body testing apparatus for verticality
CN109373972B (en) * 2018-10-31 2021-11-05 中国电建集团山东电力建设第一工程有限公司 Pile body verticality detection device

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