JP2727792B2 - Earth drill hose support - Google Patents
Earth drill hose supportInfo
- Publication number
- JP2727792B2 JP2727792B2 JP11956691A JP11956691A JP2727792B2 JP 2727792 B2 JP2727792 B2 JP 2727792B2 JP 11956691 A JP11956691 A JP 11956691A JP 11956691 A JP11956691 A JP 11956691A JP 2727792 B2 JP2727792 B2 JP 2727792B2
- Authority
- JP
- Japan
- Prior art keywords
- hose
- hydraulic
- limit position
- rotary drive
- earth drill
- 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
Links
Landscapes
- Earth Drilling (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Storing, Repeated Paying-Out, And Re-Storing Of Elongated Articles (AREA)
- Forklifts And Lifting Vehicles (AREA)
Description
【０００１】[0001]
【産業上の利用分野】この発明は、アースドリルのホー
スの支持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 device for supporting a hose of an earth drill.
【０００２】[0002]
【従来の技術】従来公知のアースドリル駆動用の油圧配
管は、フロントフレームに這わせて配設された複数本の
油圧配管を、継手を介して複数本のホースで繋ぎ、さら
に、スイベル等を継ぎ合わせて配管されているのが通例
である。2. Description of the Related Art A conventionally known hydraulic pipe for driving an earth drill connects a plurality of hydraulic pipes arranged along a front frame with a plurality of hoses via joints, and further includes a swivel or the like. It is customary for the pipes to be joined together.
【０００３】そのため、多数の継手を必要とし、圧油が
継手部を通過するときの抵抗により圧力損失が生じ効率
低下の原因となるばかりでなく、配管とホースとの継ぎ
目から油漏れが生じたり、スイベルの摺動部から油漏れ
が生ずることが屡々であるという問題点があった。[0003] Therefore, a large number of joints are required, and the resistance when the pressure oil passes through the joints causes a pressure loss and causes a reduction in efficiency, and also causes an oil leak from a joint between the pipe and the hose. There has been a problem that oil leakage often occurs from the sliding portion of the swivel.
【０００４】[0004]
【発明が解決しようとする課題】この発明は、上記問題
点を解決することを課題としてなされたものであって、
長尺の一本物のホースを用いることを可能とし、これに
より油圧配管とホースとの継手の数を減少させ、圧油の
通過抵抗を軽減して効率を向上させるとともに、油漏れ
防止を達成できるアースドリルのホース支持装置を提供
しようとするものである。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has been made.
It is possible to use a long single real hose, thereby reducing the number of joints between hydraulic piping and hose, reducing the passage resistance of pressurized oil, improving efficiency, and achieving oil leakage prevention. An object of the present invention is to provide an earth drill hose support device.
【０００５】[0005]
【課題を解決するための手段】この発明は上記課題を解
決するための手段を提供するものであって、リーダ２に
沿って上限位置Ａから下限位置Ｂまで昇降自在のケリー
バ回転駆動装置１と本体６の油圧源とを長尺の油圧ホー
ス４により連結し、該油圧ホース４のほぼ中間部を、前
記リーダ２の後方において前記回転駆動装置１の昇降す
る上限位置Ａと下限位置Ｂとのほぼ中間高さを保持して
フロントフレーム７に固定されたホース支持ドラム５に
固縛支持させたことを特徴とするアースドリルのホース
支持装置を要旨とするものである。SUMMARY OF THE INVENTION The present invention provides a means for solving the above-mentioned problems. The present invention relates to a kelly-bar rotation driving device 1 which can move up and down along a reader 2 from an upper limit position A to a lower limit position B. The hydraulic pressure source of the main body 6 is connected by a long hydraulic hose 4, and a substantially middle portion of the hydraulic hose 4 is moved between an upper limit position A and a lower limit position B at which the rotary drive device 1 moves up and down behind the reader 2. The present invention provides a hose support device for an earth drill, wherein the hose support device is fixed to a hose support drum 5 fixed to a front frame 7 while maintaining a substantially intermediate height.
【０００６】[0006]
【実施例】図１に本発明のホース支持装置を備えたアー
スドリルの全体側面図の一例を示し、図２にその油圧供
給部分を示す。FIG. 1 shows an example of an overall side view of an earth drill provided with a hose supporting device according to the present invention, and FIG. 2 shows a hydraulic supply portion thereof.
【０００７】１はケリーバの回転駆動装置であって、リ
ーダ２のガイド面をスラスターシリンダ３によって上限
Ａから下限Ｂまでスライドしケリーバを上下させるよう
になっている。Reference numeral 1 denotes a rotary driving device of the kelly bar, which slides the guide surface of the reader 2 from the upper limit A to the lower limit B by the thruster cylinder 3 to move the kelly bar up and down.
【０００８】アースドリル本体の油圧源から前記回転駆
動装置１へは、長尺の一本物の油圧ホース４により圧油
が供給される。この油圧ホース４はその途中ほぼ中間部
においてホース支持ドラム５に固縛支持されている。Pressure oil is supplied from a hydraulic source of the earth drill body to the rotary drive device 1 by a single long hydraulic hose 4. The hydraulic hose 4 is fixedly supported by a hose support drum 5 at a substantially intermediate portion thereof.
【０００９】該ホース支持ドラム５は、リーダ２の後方
において前記回転駆動装置１の昇降する上限位置Ａと下
限位置Ｂとのほぼ中間高さを保持してフロントフレーム
７に固定されている。The hose supporting drum 5 is fixed to the front frame 7 at the rear of the leader 2 while maintaining a substantially intermediate height between an upper limit position A and a lower limit position B where the rotary drive device 1 moves up and down.
【００１０】前記ホース支持ドラム５と回転駆動装置１
とを結ぶ油圧ホース４の長さは、回転駆動装置１が上限
位置Ａから下限位置Ｂまで無理なく昇降できるよう十分
な長さをもたせる。The hose supporting drum 5 and the rotary drive 1
And the length of the hydraulic hose 4 is sufficient to allow the rotary drive 1 to move up and down from the upper limit position A to the lower limit position B without difficulty.
【００１１】図２および図３に示すように、前記油圧ホ
ース４の一端は継手Ｃにより本体の油圧源に連結され、
他端は継手Ｄによって回転駆動装置１に連結されてい
る。As shown in FIGS. 2 and 3, one end of the hydraulic hose 4 is connected to a hydraulic source of the main body by a joint C,
The other end is connected to the rotary drive 1 by a joint D.
【００１２】したがって、本体から出る圧油は、継手Ｃ
により油圧ホース４に伝えられ、継手Ｄにより回転駆動
装置１に送られるのであって、その中間には継手はな
く、本体の油圧源から回転駆動装置１まで一本の長尺油
圧ホース４によって直接結ばれている。Therefore, the pressurized oil coming out of the main body is
And is sent to the rotary drive 1 by the joint D. There is no joint in the middle between the hydraulic hose 4 and the rotary drive 1 from the hydraulic source of the main body to the rotary drive 1 directly by one long hydraulic hose 4. Tied.
【００１３】油圧ホース４が複数列に並列（例えば、左
回転用と右回転用）されている場合には、図４に示すよ
うに、支持ドラム５に仕切り板５ａを設け、油圧ホース
４がずれないように、数箇所Ｅ，Ｆ，Ｇで固定される。When the hydraulic hoses 4 are arranged in a plurality of rows in parallel (for example, for left rotation and right rotation), a partition plate 5a is provided on the support drum 5 as shown in FIG. It is fixed at several points E, F, and G so as not to shift.
【００１４】[0014]
【発明の効果】この発明によれば、回転駆動装置１と本
体６の油圧源とは長尺一本物の油圧ホース４により連結
され途中に継手類が存在しないので、圧油の通過抵抗を
軽減して効率を向上させるとともに油漏れを防止を防止
することができ、また、前記油圧ホース４のほぼ中間部
を、前記リーダ２の後方において前記回転駆動装置１の
昇降する上限位置Ａと下限位置Ｂとのほぼ中間高さを保
持して固定されたホース支持ドラム５に固縛支持させた
ことにより、ホース支持ドラム５と回転駆動装置１とを
結ぶ油圧ホース４の長さを、回転駆動装置１の昇降スト
ロークに対し比較的短い長さとすることができる。According to the present invention, since the rotary drive unit 1 and the hydraulic source of the main body 6 are connected by the long and single hydraulic hose 4 and there are no joints on the way, the resistance to the passage of pressure oil is reduced. In addition, it is possible to improve the efficiency and prevent the oil leak from being prevented, and to set the substantially middle portion of the hydraulic hose 4 at the upper limit position A and the lower limit position at which the rotary drive device 1 moves up and down behind the leader 2. B is fixed to a hose support drum 5 fixed at a substantially intermediate height with respect to B, so that the length of the hydraulic hose 4 connecting the hose support drum 5 and the rotary drive unit 1 can be reduced. The length can be relatively short for one lifting stroke.
【図１】本発明のホース支持装置を備えたアースドリル
の全体側面図である。FIG. 1 is an overall side view of an earth drill provided with a hose support device of the present invention.
【図２】油圧供給部分の側面図である。FIG. 2 is a side view of a hydraulic supply portion.
【図３】油圧供給部分の平面図である。FIG. 3 is a plan view of a hydraulic pressure supply part.
【図４】図２のIV−IV線に沿う断面図である。FIG. 4 is a sectional view taken along line IV-IV in FIG. 2;
１ 回転駆動装置 ２ リーダ ３ スラスターシリンダ ４ 油圧ホース ５ ホース支持ドラム ５ａ 仕切り板 ６ アースドリル本体 ７ フロントフレーム Ａ 回転駆動装置の昇降上限位置 Ｂ 回転駆動装置の昇降下限位置 Ｃ 本体と油圧ホースとの継手 Ｄ 油圧ホースと回転駆動装置との継手 DESCRIPTION OF SYMBOLS 1 Rotation drive device 2 Leader 3 Thruster cylinder 4 Hydraulic hose 5 Hose support drum 5a Partition plate 6 Earth drill body 7 Front frame A Elevation upper limit position of rotation drive device B Elevation limit position of rotation drive device C Joint between main body and hydraulic hose D Joint between hydraulic hose and rotary drive
Claims (1)
限位置(B) まで昇降自在のケリーバ回転駆動装置(1) と
本体(6) の油圧源とを長尺の油圧ホース(4)により連結
し、該油圧ホース(4) のほぼ中間部を、前記リーダ(2)
の後方において前記回転駆動装置(1) の昇降する上限位
置(A) と下限位置(B) とのほぼ中間高さを保持して固定
されたホース支持ドラム(5) に固縛支持させたことを特
徴とするアースドリルのホース支持装置。An elongate hydraulic hose (1) is connected to a kellyver rotary drive (1) that can move up and down from an upper limit position (A) to a lower limit position (B) along a reader (2) and a hydraulic source of a main body (6). 4), and approximately the middle part of the hydraulic hose (4) is connected to the leader (2).
Rearward of the rotary driving device (1) is fixedly supported by a hose supporting drum (5) fixed at a substantially intermediate height between an upper limit position (A) and a lower limit position (B) where the rotary drive device (1) moves up and down. A hose support device for an earth drill.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11956691A JP2727792B2 (en) | 1991-03-27 | 1991-03-27 | Earth drill hose support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11956691A JP2727792B2 (en) | 1991-03-27 | 1991-03-27 | Earth drill hose support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04302695A JPH04302695A (en) | 1992-10-26 |
| JP2727792B2 true JP2727792B2 (en) | 1998-03-18 |
Family
ID=14764509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11956691A Expired - Fee Related JP2727792B2 (en) | 1991-03-27 | 1991-03-27 | Earth drill hose support |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2727792B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075109B (en) * | 2013-03-13 | 2014-11-19 | 三一重工股份有限公司 | Rotary drilling rig and follow-up rack thereof |
| CN104477699B (en) * | 2014-11-28 | 2017-08-25 | 徐州徐工基础工程机械有限公司 | A kind of development machine spooling system |
-
1991
- 1991-03-27 JP JP11956691A patent/JP2727792B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04302695A (en) | 1992-10-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |