JP3251544B2 - Workbench lifting device for pile driver - Google Patents

Workbench lifting device for pile driver

Info

Publication number
JP3251544B2
JP3251544B2 JP03592398A JP3592398A JP3251544B2 JP 3251544 B2 JP3251544 B2 JP 3251544B2 JP 03592398 A JP03592398 A JP 03592398A JP 3592398 A JP3592398 A JP 3592398A JP 3251544 B2 JP3251544 B2 JP 3251544B2
Authority
JP
Japan
Prior art keywords
pair
lifting device
pile driver
workbench
work table
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP03592398A
Other languages
Japanese (ja)
Other versions
JPH11229375A (en
Inventor
諭 北岡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Heavy Industries Construction Crane Co Ltd
Original Assignee
Sumitomo Heavy Industries Construction Crane Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sumitomo Heavy Industries Construction Crane Co Ltd filed Critical Sumitomo Heavy Industries Construction Crane Co Ltd
Priority to JP03592398A priority Critical patent/JP3251544B2/en
Publication of JPH11229375A publication Critical patent/JPH11229375A/en
Application granted granted Critical
Publication of JP3251544B2 publication Critical patent/JP3251544B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Placing Or Removing Of Piles Or Sheet Piles, Or Accessories Thereof (AREA)
  • Earth Drilling (AREA)

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は杭打機用作業台昇
降装置に関するものであり、特に、杭打機に於て作業員
が作業台に乗ってオーガ、ハンマ等の掘進機とオーガド
リルや杭との接続作業や保守点検作業を安全に行うこと
ができるようにした杭打機用作業台昇降装置に関するも
のである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a workbench elevating device for a pile driver, and more particularly, to an excavator such as an auger, a hammer, etc. The present invention relates to a workbench elevating device for a pile driver, which can safely perform a connection operation with a pile and a maintenance and inspection work.

【0002】[0002]

【従来の技術】従来の此種杭打機用作業台は、リーダ側
面に配設されたガイドレールに沿って上下動可能に支持
されており、且つ、該作業台はリーダの反対側面側であ
って、車体上に設けられた作業台用ウインチから繰り出
されるワイヤーロープにて吊り下げられ、且つ、該ワイ
ヤーロープはリーダ上部に設けられた作業台用シーブに
掛着されてその端部を前記作業台に固設し、前記作業台
用ウインチの駆動にて該作業台が昇降自在に該ワイヤー
ロープにて吊り下げられている。
2. Description of the Related Art A conventional work table for a pile driver of this type is supported so as to be able to move up and down along a guide rail disposed on a side surface of a leader, and the work table is provided on the opposite side surface of the leader. Then, it is suspended by a wire rope that is fed out from a worktable winch provided on the vehicle body, and the wire rope is hung on a worktable sheave provided above the reader, and the end of the wire rope is attached to the leader. The work table is fixed to a work table, and the work table is suspended by the wire rope so as to be able to move up and down by driving the work table winch.

【0003】[0003]

【発明が解決しようとする課題】上記従来の杭打機用作
業台は、作業台用ウインチから繰り出されるワイヤーロ
ープによってリーダ上部に設けた作業台用シーブを介し
て吊り下げられ、該作業台用ウインチの駆動にて昇降で
きるように構成されているので、該ワイヤーロープが切
断した場合は、作業台が落下すると云う危険性がある。
又、該作業台を作業台用ウインチにて昇降自在に駆動す
るための設備費が嵩み、コスト高の要因ともなる。
The conventional work table for a pile driver is suspended from a work table winch through a work table sheave provided above a leader by a wire rope fed from a work table winch. Since it is configured to be able to move up and down by driving the winch, there is a risk that the workbench will fall if the wire rope is cut.
In addition, the equipment cost for driving the worktable up and down by the worktable winch is increased, which is a factor of cost increase.

【0004】そこで、作業台用ウインチ及びワイヤーロ
ープ等を用いることなく、杭打機用作業台を安全に該杭
打機に昇降自在に取付けることができるようにするため
に解決せらるべき技術的課題が生じてくるのであり、本
発明は該課題を解決することを目的とする。
[0004] Therefore, there is a technical problem to be solved in order to be able to safely attach and detach the work table for a pile driver to the pile driver without using a work table winch and a wire rope. Problems arise, and an object of the present invention is to solve the problems.

【0005】[0005]

【課題を解決するための手段】この発明は上記目的を達
成するために提案せられたものであり、杭打機の車体前
部に立設されるリーダ側面長手方向に一対のガイドパイ
プが設けられ、該ガイドパイプに沿って上下動可能に配
設されている自走式の昇降装置と、該昇降装置に取付け
られる作業台とを備えた杭打機用作業台昇降装置に於い
て、前記一対のガイドパイプの中間部長手方向に前記リ
ーダから一対のブラケットが対峙して設けられ、且つ、
該ブラケット間に一定間隔毎にピン又はチェンが配設さ
れ、更に、該ピン又はチェンと噛合するスプロケット
該スプロケットを駆動するモータとを備えて成る前記自
走式の昇降装置の上部に作業台が取外し自在に連結さ
れ、且つ、該昇降装置には前記ガイドパイプ面に沿って
転動する少なくとも一対のガイドローラが設けられてお
り、更に、前記対峙するブラケットの先端部を折曲して
摺動部を形成し、該摺動部の背面側に係合して摺動でき
る一対の転倒防止具を前記昇降装置及び作業台に設けて
成る杭打機用作業台昇降装置を提供するものである。
DISCLOSURE OF THE INVENTION The present invention has been proposed to achieve the above object, and has a pair of guide pies in the longitudinal direction of a leader installed on the front of a body of a pile driver.
The guide pipe is provided so as to be vertically movable along the guide pipe.
A self-propelled lifting device that is installed and attached to the lifting device
Work platform lifting device for pile driver with
In the longitudinal direction of the middle of the pair of guide pipes.
A pair of brackets are provided facing each other from the
Pins or chains are arranged at regular intervals between the brackets.
It is further includes a sprocket for the pin or chain mesh
The self-made and a motor for driving the sprocket
A workbench is detachably connected to the upper part of the traveling elevator.
And the elevating device moves along the guide pipe surface.
At least one pair of rolling guide rollers is provided.
And further bending the front end of the facing bracket
A sliding part can be formed and engaged with the back side of the sliding part for sliding.
A work table lifting device for a pile driver , comprising a pair of fall prevention tools provided on the lifting device and the work table .

【0006】[0006]

【発明の実施の形態】以下、本発明の一実施の形態を図
1乃至図4に従って詳述する。尚、説明の都合上、従来
公知に属する技術事項も同時に説明するものとする。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to FIGS. For convenience of explanation, technical matters belonging to the related art will be described at the same time.

【0007】図1に於て杭打機1は、車体2の前部に所
定長さを有するリーダ3がリーダブラケット4及びバッ
クステーにより、地面に対して垂直に立設され、そし
て、該リーダ3の前面に突設された前部ガイドパイプ
5,5に沿ってロープ吊下げ式で上下動自在にオーガ6
a等の作業装置6が取付けられており、一方、該リーダ
3の側面には昇降装置7が自走式で上下動自在に備えら
れ、更に、該昇降装置7の上部に作業台14が取付けら
れている。
In FIG. 1, a pile driver 1 has a leader 3 having a predetermined length at a front portion of a vehicle body 2 erected perpendicularly to the ground by a leader bracket 4 and a backstay. The auger 6 can be moved up and down freely with a rope suspended along the front guide pipes 5 and 5 protruding from the front surface of the auger 6.
A working device 6 such as a is mounted on the other hand, while a lifting device 7 is provided on the side of the reader 3 so as to be self-propelled and vertically movable, and a work table 14 is mounted on the upper portion of the lifting device 7. Have been.

【0008】図2はリーダ3に前記昇降装置7を取付け
た状態の横断面図である。同図に於て、リーダ3の側面
長手方向全長に及んでピンブラケット3A,3Aが対峙
して設けられており、更に、該ピンブラケット3A,3
A間に一定間隔を有し、該リーダ3の全長に及んでピン
8,8…が配設されている。該ピン8に代えチェンを該
リーダ3の全長に及んで配設してもよい。
FIG. 2 is a cross-sectional view showing a state in which the elevating device 7 is attached to the reader 3. In the figure, pin brackets 3A, 3A are provided so as to face each other over the entire length in the longitudinal direction of the side surface of the reader 3. Further, the pin brackets 3A, 3A are provided.
.. Are arranged over the entire length of the reader 3. A chain may be provided over the entire length of the reader 3 instead of the pin 8.

【0009】而して、前記昇降装置7には前記ピン8,
8…と噛合するスプロケット9と、該スプロケット9を
駆動する油圧モータ10とが設けられている。又、リー
ダ3の側面には、該リーダ3の全長に及んで一対のガイ
ドパイプ11,11がリーダ3の長手方向に沿って設け
られており、更に、該ガイドパイプ11,11面に沿っ
て転動する一対のガイドローラ12,12が前記昇降装
置7に設けられている。
The lifting device 7 has the pins 8,
, And a hydraulic motor 10 for driving the sprocket 9 are provided. A pair of guide pipes 11, 11 is provided on the side surface of the reader 3 along the entire length of the reader 3 along the longitudinal direction of the reader 3, and further along the surfaces of the guide pipes 11, 11. A pair of rolling guide rollers 12, 12 are provided in the lifting device 7.

【0010】更に又、前記ピンブラケット3A,3Aの
先端部は夫々外側方向へ直角に折曲されて摺動部3B,
3Bが形成され、該摺動部3B,3Bの背面側に係合し
て摺動できる一対の転倒防止具13,13が該昇降装置
7に設けられいる。
Further, the tip portions of the pin brackets 3A, 3A are bent outward at right angles, respectively, to form sliding portions 3B, 3B.
The lifting device 7 is provided with a pair of overturn prevention members 13, 13 </ b> B formed thereon and slidable by engaging with the rear side of the sliding portions 3 </ b> B.

【0011】斯くして、該昇降装置7は前記油圧モータ
10の正逆転駆動によりスプロケット9が正転又は逆転
する。そして、該スプロケット9が前記ピン8,8…に
順次噛合して該スプロケット9を固設している昇降装置
7が昇降自在に該リーダ3に沿って自走する。
Thus, in the lifting / lowering device 7, the sprocket 9 rotates forward or backward by the forward / reverse driving of the hydraulic motor 10. The sprocket 9 sequentially meshes with the pins 8, 8,..., And the elevating device 7 having the sprocket 9 fixedly moves by itself along the reader 3 so as to be able to move up and down.

【0012】図3はリーダ3に作業台14を取付けた状
態の横断面図である。同図に於てリーダ3の側面長手方
向全長に及んで対峙して配設された一対のピンブラケッ
ト3A,3Aの先端部は前述したように夫々外側方向へ
直角に折曲されて摺動部3B,3Bが形成されている
が、この摺動部3B,3Bの背面に係合して該摺動部3
B,3B面上を上下に摺動できる転倒防止具13A,1
3Aが該作業台14に固設されている。従って、該作業
台14は該転倒防止具13A,13Aと前記摺動部3
B,3Bとの係合により、該摺動部3B,3B面に沿っ
て上下動可能に構成されている。
FIG. 3 is a cross-sectional view showing a state where the work table 14 is attached to the reader 3. In the same figure, the tip portions of a pair of pin brackets 3A, 3A, which are disposed facing each other over the entire length in the longitudinal direction of the side surface of the leader 3, are bent outward at right angles at right angles as described above, and are sliding portions. 3B, 3B are formed, and the sliding portions 3B, 3B
Overturn prevention device 13A, 1 that can slide up and down on the surfaces B, 3B
3A is fixed to the work table 14. Therefore, the work table 14 is provided with the overturn prevention devices 13A, 13A and the sliding portion 3A.
B and 3B are configured to be vertically movable along the surfaces of the sliding portions 3B and 3B by engagement with the sliding portions 3B and 3B.

【0013】而して、該作業台14はその下部に連結板
14Aを固設し、そして、該連結板14Aを前記昇降装
置7の上部に固設された連結板7Aとを重ね、ピン1
5,15…又はボルトによって該作業台14が該昇降装
置7の上部に連結される。斯くして、該作業台14は昇
降装置7の自走に追随して任意に上下動することが可能
となり、而も、該作業台14は前記転倒防止具13A,
13Aにより水平分力が保持されて転倒するようなこと
は全くない。
The work table 14 has a connecting plate 14A fixed to the lower part thereof, and the connecting plate 14A is overlapped with the connecting plate 7A fixed to the upper part of the elevating device 7, and
The work table 14 is connected to the upper part of the elevating device 7 by 5, 15,... Or bolts. Thus, the work table 14 can be arbitrarily moved up and down following the self-propelled movement of the lifting / lowering device 7, and the work table 14 is also provided with the overturn prevention devices 13A,
The horizontal component force is maintained by 13A, and there is no possibility of falling.

【0014】尚、昇降装置7に設けられている前記一対
のガイドローラ12,12は該昇降装置7の上下に設け
ることができ、更に、該ガイドローラ12,12を前記
作業台14にも設けてもよい。然るときは、該昇降装置
7及び作業台14の上下動の円滑性と安全性が更に向上
する。
The pair of guide rollers 12, 12 provided on the lifting device 7 can be provided above and below the lifting device 7, and the guide rollers 12, 12 are also provided on the work table 14. You may. In that case, the smoothness and safety of the vertical movement of the lifting / lowering device 7 and the worktable 14 are further improved.

【0015】又、該転倒防止具13又は13Aに代えて
一対の保持ローラを設けることもできる。その他、本発
明は、本発明の精神を逸脱しない限り種々の改変を為す
ことができ、そして、本発明が該改変されたものに及ぶ
ことは当然である。
Further, a pair of holding rollers may be provided in place of the overturn prevention device 13 or 13A. In addition, the present invention can be variously modified without departing from the spirit of the present invention, and it goes without saying that the present invention extends to the modified ones.

【0016】[0016]

【発明の効果】本発明は上記一実施の形態にて詳述する
如く、リーダ側面に沿って上下動する自走式の昇降装置
に作業台が連結されて成る従来公知の杭打機用作業台昇
降装置に於いて、一対のガイドパイプの中間部長手方向
に前記リーダから一対のブラケットが対峙して設けら
れ、且つ、このブラケット間に一定間隔毎にピン又はチ
ェンが配設され、更に、該ピン又はチェンと噛合するス
プロケットと、該スプロケットを駆動するモータとを備
えて成る自走式の昇降装置の上部に作業台が取外し自在
に連結されており、更に又、該昇降装置には前記ガイド
パイプ面に沿って転動する少なくとも一対のガイドロー
が設けられているので、前記作業台は該昇降装置の自
に追随して上下動することができることは当然である
が、特に、本発明は該自走式の昇降装置及び之に取外し
自在に取付けられている作業台に、転倒防止具が設けら
れ、そして、前記ブラケットの先端部を折曲して形成し
た摺動部の背面側に前記転倒防止具を係合して摺動でき
るように構成したので、該作業台及び昇降装置は該転倒
防止具により水平分力が保持されて転倒落下するような
ことはない。斯くして、該作業台を任意の位置に停止さ
せオーガやハンマ等の掘進機とオーガドリルや杭等の接
続作業並びに保守点検等の作業が極めて安全且つ迅速に
行われることができると共に、作業台を従来例のように
作業台用ウインチから繰り出されるワイヤーロープに吊
り下げられているのではないので、ワイヤーロープの保
守点検等の作業も不要となり、且つ、作業台の昇降装置
に用いられる部品点数が節減されてコストダウンにも寄
与し、又、ワイヤーロープの切断による作業台の落下の
危険もなくなり、安全性が極めて向上する等、正に著大
なる効果を奏する発明である。
As will be described in detail in the above-mentioned embodiment, the present invention relates to a conventionally known work for a pile driving machine in which a work table is connected to a self-propelled elevating device which moves up and down along the side surface of a leader. Stand
In the lowering device, the longitudinal direction of the middle part of a pair of guide pipes
Is provided with a pair of brackets facing the reader.
Between the brackets and at regular intervals.
And a switch for engaging the pin or the chain.
Equipped with a rocket and a motor for driving the sprocket.
The workbench can be removed above the self-propelled lifting device
The lifting device is further connected to the guide.
At least one pair of guide rows that roll along the pipe surface
Since La is provided, the worktable is self of the lifting device
It is natural that you can move up and down following the run
However, in particular, the present invention relates to the self-propelled lifting device and the detachable device.
The worktable, which is freely mounted, has a fall prevention device.
And the end of the bracket is bent and formed.
The fall prevention device is engaged with the back side of the sliding part
The work table and the lifting / lowering device are
The preventive device does not fall down due to the horizontal component force being held . In this way, the work table can be stopped at an arbitrary position, work such as connection of an auger or a hammer with an excavator and an auger drill or a pile, and maintenance and inspection can be performed extremely safely and quickly. Since the table is not hung on a wire rope drawn out from the worktable winch as in the conventional example, work such as maintenance and inspection of the wire rope is unnecessary, and parts used for the workbench lifting device It is an invention that has a remarkably significant effect, such as saving points and contributing to cost reduction, and eliminating the danger of the workbench dropping due to cutting of the wire rope, and greatly improving safety.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の一実施の形態を示し、杭打機の側面
図。
FIG. 1 shows an embodiment of the present invention and is a side view of a pile driver.

【図2】図1に於て、リーダに昇降装置を取付けた状態
を示す横断面図。
FIG. 2 is a cross-sectional view showing a state in which the elevating device is attached to the reader in FIG.

【図3】図1に於て、リーダに作業台を取付けた状態を
示す横断面図。
FIG. 3 is a cross-sectional view showing a state where a work table is attached to the reader in FIG. 1;

【図4】図1に於て、リーダに昇降装置と作業台とを取
付けた状態を示す一部切欠拡大側面図。
FIG. 4 is a partially cut-away enlarged side view showing a state in which the elevating device and the work table are attached to the reader in FIG. 1;

【符号の説明】[Explanation of symbols]

1 杭打機 2 車体 3 リーダ 3A ピンブラケット 7 昇降装置 8 ピン 9 スプロケット 10 油圧モータ 11 ガイドパイプ 12 ガイドローラ 13,13a 転倒防止具 14 作業台 DESCRIPTION OF SYMBOLS 1 Pile driver 2 Body 3 Leader 3A Pin bracket 7 Elevating device 8 Pin 9 Sprocket 10 Hydraulic motor 11 Guide pipe 12 Guide roller 13, 13a Fall prevention device 14 Work bench

───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7,DB名) E02D 7/16 E02D 13/00 E21B 15/00 ──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. 7 , DB name) E02D 7/16 E02D 13/00 E21B 15/00

Claims (1)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 杭打機の車体前部に立設されるリーダ側
長手方向に一対のガイドパイプが設けられ、該ガイド
パイプに沿って上下動可能に配設されている自走式の昇
降装置と、該昇降装置に取付けられる作業台とを備えた
杭打機用作業台昇降装置に於いて、 前記一対のガイドパイプの中間部長手方向に前記リーダ
から一対の ブラケットが対峙して設けられ、且つ、該ブ
ラケット間に一定間隔毎にピン又はチェンが配設され、
更に、該ピン又はチェンと噛合するスプロケットと該ス
プロケットを駆動するモータとを備えて成る前記自走式
の昇降装置の上部に作業台が取外し自在に連結され、且
つ、該昇降装置には前記ガイドパイプ面に沿って転動す
る少なくとも一対のガイドローラが設けられており、更
に、前記対峙するブラケットの先端部を折曲して摺動部
を形成し、該摺動部の背面側に係合して摺動できる一対
の転倒防止具を前記昇降装置及び作業台に設けたことを
特徴とする杭打機用作業台昇降装置。
A pair of guide pipes are provided in a longitudinal direction of a side surface of a leader erected at a front portion of a vehicle body of a pile driver , and the guide pipes are provided.
A self-propelled lift that can be moved up and down along the pipe
A lifting device, and a work table attached to the lifting device.
In a workbench lifting and lowering device for a pile driver, the leader is provided in a longitudinal direction of an intermediate portion of the pair of guide pipes.
A pair of brackets are provided facing each other, and pins or chains are disposed at regular intervals between the brackets ,
Further, sprocket該Su that the pin or chain mesh
Said self-propelled type comprising a motor for driving a rocket
The workbench is detachably connected to the upper part of the lifting device, and
In addition, the elevating device rolls along the guide pipe surface.
At least one pair of guide rollers is provided.
In addition, the front end of the facing bracket is bent to form a sliding portion.
Forming a pair which can be slid by engaging with the rear side of the sliding portion.
A workbench lifting and lowering device for a pile driver , wherein the fall prevention device is provided on the lifting device and the workbench .
JP03592398A 1998-02-18 1998-02-18 Workbench lifting device for pile driver Expired - Fee Related JP3251544B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP03592398A JP3251544B2 (en) 1998-02-18 1998-02-18 Workbench lifting device for pile driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP03592398A JP3251544B2 (en) 1998-02-18 1998-02-18 Workbench lifting device for pile driver

Publications (2)

Publication Number Publication Date
JPH11229375A JPH11229375A (en) 1999-08-24
JP3251544B2 true JP3251544B2 (en) 2002-01-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP03592398A Expired - Fee Related JP3251544B2 (en) 1998-02-18 1998-02-18 Workbench lifting device for pile driver

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JP (1) JP3251544B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6124291B2 (en) * 2013-03-28 2017-05-10 株式会社不動テトラ Ground construction machine
JP7303352B1 (en) * 2022-06-16 2023-07-04 日本車輌製造株式会社 pile driver

Also Published As

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JPH11229375A (en) 1999-08-24

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